BOE Technology Group Co., Ltd. patent applications on March 6th, 2025
Patent Applications by BOE Technology Group Co., Ltd. on March 6th, 2025
BOE Technology Group Co., Ltd.: 132 patent applications
BOE Technology Group Co., Ltd. has applied for patents in the areas of H10K59/131 (20), H10K59/80 (19), H10K59/12 (17), H10K59/122 (15), G09G3/3233 (13) G09G3/3233 (12), H10K59/131 (11), H10K59/122 (9), H10D86/60 (6), G06F3/0412 (4)
With keywords such as: display, substrate, light, circuit, drive, layer, emitting, touch, color, and control in patent application abstracts.
Patent Applications by BOE Technology Group Co., Ltd.
Inventor(s): Jinxiang Xue of Beijing (CN) for boe technology group co., ltd., Weijie Wang of Beijing (CN) for boe technology group co., ltd., Zhongyuan Sun of Beijing (CN) for boe technology group co., ltd., Fengjie Zhang of Beijing (CN) for boe technology group co., ltd., Lu Wang of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): C23C14/04, H10K59/12, H10K71/16
CPC Code(s): C23C14/042
Abstract: the present disclosure provides a silicon-based mask, a manufacturing method, and a display panel. the silicon-based mask includes a first silicon wafer and a second silicon wafer laminated one on another. the first silicon wafer includes a first via hole, the second silicon wafer includes a second via hole, an orthogonal projection of a wall of the first via hole onto the second silicon wafer surrounds the second via hole, and under a same etching condition, an etching rate of the second silicon wafer is smaller than an etching rate of the first silicon wafer.
Inventor(s): Jianxing LIU of Beijing (CN) for boe technology group co., ltd., Jingwen GUO of Beijing (CN) for boe technology group co., ltd., Qianhong WU of Beijing (CN) for boe technology group co., ltd., Chunxin LI of Beijing (CN) for boe technology group co., ltd., Jianyun ZHAO of Beijing (CN) for boe technology group co., ltd., Zibo CAO of Beijing (CN) for boe technology group co., ltd., Feng QU of Beijing (CN) for boe technology group co., ltd., Biqi LI of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G01N27/22, B81B3/00
CPC Code(s): G01N27/223
Abstract: a humidity sensor, a manufacturing method therefor and an electronic device are provided, and the humidity sensor includes: a base substrate, and at least one sensor unit arranged on the base substrate; the sensor unit includes: a first electrode and a support structure arranged on the base substrate, the support structure is located on at least one side of the first electrode; a second electrode located on a side of the first electrode away from the base substrate, an orthographic projection of the second electrode on the base substrate is overlapped with an orthographic projection of the first electrode on the base substrate, a space is arranged between the second electrode and the first electrode, and at least one end of the second electrode is fixed with the support structure; and an adsorption layer arranged on a side of the second electrode away from the base substrate.
Inventor(s): Xianqin Meng of Beijing (CN) for boe technology group co., ltd., Jin Yang of Beijing (CN) for boe technology group co., ltd., Pengxia Liang of Beijing (CN) for boe technology group co., ltd., Fang Cheng of Beijing (CN) for boe technology group co., ltd., Weiting Peng of Beijing (CN) for boe technology group co., ltd., Wei Wang of Beijing (CN) for boe technology group co., ltd., Xiaochuan Chen of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G02F1/13357
CPC Code(s): G02F1/133606
Abstract: a light emitting substrate is provided. the light emitting substrate includes a light source; a first light modulation layer having a first micro structure on a side closer to the light source; and a second light modulation layer having a second micro structure on a side away from the light source.
20250076717. DISPLAY PANEL AND DISPLAY DEVICE_simplified_abstract_(boe technology group co., ltd.)
Inventor(s): Peng Liu of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G02F1/1362
CPC Code(s): G02F1/136286
Abstract: the application provides a display panel. the display panel includes a display area, and the display area includes: a plurality of kinds of signal lines, wherein a same kind of signal lines include reference lines and lines to be compensated, sizes of the lines to be compensated along extension directions of the lines to be compensated are smaller than sizes of the reference lines along extension directions of the reference lines; and compensation lines, including first compensation lines, wherein the first compensation lines are electrically connected with the lines to be compensated, for compensating differences between the sizes of the lines to be compensated along the extension directions of the lines to be compensated and the sizes of the reference lines along the extension directions of the reference lines, wherein a number of the compensation lines is less than or equal to a number of the signal lines.
Inventor(s): Tingting WANG of Beijing (CN) for boe technology group co., ltd., Xu WANG of Beijing (CN) for boe technology group co., ltd., Qi WANG of Beijing (CN) for boe technology group co., ltd., Yan YAN of Beijing (CN) for boe technology group co., ltd., Tao GONG of Beijing (CN) for boe technology group co., ltd., Hui GUO of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G06F3/041, G06F3/044
CPC Code(s): G06F3/0412
Abstract: a display substrate, including: a substrate; and a plurality of data lines each extending in a first direction, a touch layer, and a plurality of touch signal lines, sequentially arranged away from the substrate, wherein the touch layer includes a plurality of touch electrodes configured to be multiplexed as common electrodes, and each touch electrode includes a plurality of touch sub-electrodes electrically connected to each other; wherein the touch sub-electrodes are arranged in an array along the first direction and a second direction, a first slit is between any two adjacent touch sub-electrodes along the second direction, and orthographic projections of the first slit and a corresponding data line on the substrate overlap each other; the touch signal lines are connected to the touch electrodes, and an orthographic projection of at least one touch signal line on the substrate covers the orthographic projection of the first slit on the substrate.
Inventor(s): Ping LUO of Beijing (CN) for boe technology group co., ltd., Guiyu ZHANG of Beijing (CN) for boe technology group co., ltd., Zhiqiang WANG of Beijing (CN) for boe technology group co., ltd., Hang MIN of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G06F3/041
CPC Code(s): G06F3/04166
Abstract: a touch sampling control module, a touch sampling control module method, and a display touch device. the touch sampling control module includes a touch sampling flag generation circuitry and a sampling time control circuitry. the touch sampling flag generation circuitry is configured to generate a touch sampling flag in accordance with a fluctuation time point of a data voltage applied to a touch display panel. the sampling time control circuitry is configured to control a touch sampling time in accordance with the touch sampling flag, so that the touch sampling time is different from the fluctuation time point of the data voltage. the data voltage fluctuates when an absolute value of a voltage change of the data voltage is larger than a voltage change threshold.
Inventor(s): Qian Jia of Beijing (CN) for boe technology group co., ltd., Liyan Liu of Beijing (CN) for boe technology group co., ltd., Yingtao Wang of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G06F3/044
CPC Code(s): G06F3/0446
Abstract: a touch panel display includes a display panel and a touch panel disposed on a side of the display panel. the touch panel includes a touch structure layer. the display panel includes an anode layer. the touch structure layer includes a plurality of touch lines, and the plurality of touch lines define a plurality of touch meshes. the touch display panel includes a first region and a second region, and the plurality of touch lines include a plurality of first touch lines located in the first region and a plurality of second touch lines located in the second region. a line width of at least one first touch line in the plurality of first touch lines is smaller than a line width of at least one second touch line in the plurality of second touch lines. reflectivity of the first region is equal to reflectivity of the second region.
Inventor(s): Yanhong WU of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G06F3/04883
CPC Code(s): G06F3/04883
Abstract: a handwriting generating method is provided. the handwriting includes at least one handwriting segment formed by a brush, and each handwriting segment is generated by: obtaining brush parameters, wherein the brush parameters are determined according to pen type parameters selected by a user, or are set by the user; acquiring sampling points of the handwriting track, and generating a handwriting track curve according to the sampling points; determining positions of the interpolation points on the handwriting track curve, wherein an arc length between any two adjacent interpolation points on the handwriting track curve is constant; and determining the handwriting width of the position of the interpolation point according to the brush parameters, and generating the handwriting according to the brush parameters and the handwriting width.
Inventor(s): ZHIDONG WANG of Beijing (CN) for boe technology group co., ltd., YOUXIANG XIA of Beijing (CN) for boe technology group co., ltd., HONGBO FENG of Beijing (CN) for boe technology group co., ltd., QUANGUO ZHOU of Beijing (CN) for boe technology group co., ltd., MENG GUO of Beijing (CN) for boe technology group co., ltd., JIUYANG CHENG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G06F7/58
CPC Code(s): G06F7/588
Abstract: embodiments of the present disclosure relate to a method for generating a random number comprising: receiving a random number generation instruction; extracting physical information of a picture displayed on a display screen; generating a random number matrix based on the physical information; and generating a random number based on the random number matrix. embodiments of the present disclosure also relate to a device for generating a random number.
Inventor(s): Pan ZHONG of Beijing (CN) for boe technology group co., ltd., Jingtao XU of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G06Q30/0204, G06Q10/0631
CPC Code(s): G06Q30/0205
Abstract: a customer service method includes: determining an overall image and a partial image of a target customer; determining a group attribute of the target customer according to the overall image, the group attribute being used to characterize a type of a group to which the target customer belongs; determining an individual attribute of the target customer according to the partial image, the individual attribute including at least one of gender, age and customer level; determining a service priority of the target customer and a worker type corresponding to the target customer according to the group attribute and the individual attribute of the target customer; and assigning a worker to the target customer according to the service priority of the target customer and the worker type corresponding to the target customer.
Inventor(s): Zhen WANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G06T7/80, G06V20/40, G06V20/52
CPC Code(s): G06T7/80
Abstract: the present disclosure relates to a method for updating a position of an area, a security system, and a computer-readable storage medium. the method includes: acquiring initial coordinate data of a target area in a video image; tracking a position of the target area in each of subsequent video images according to the initial coordinate data and each of the subsequent video images to obtain a recognition result; when the recognition result includes target coordinate data, determining whether a pose of a camera has changed; and, in response to determining that the pose of the camera has changed, updating the initial coordinate data according to the target coordinate data, to update the position of the target area in each of the subsequent video images.
Inventor(s): Pan Zhong of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G06V10/75, G06T7/194, G06T7/73, G06V10/20, G06V10/774, G06V10/82
CPC Code(s): G06V10/751
Abstract: a computer-implemented object detection method includes determining a first bounding box for an object to be detected in an image; determining whether the first bounding box of the object to be detected in the image is oriented either horizontally or vertically with respect to a horizontal axis of the image; upon determination that the first bounding box of the object to be detected in the image is not oriented either horizontally or vertically, rotating the first bounding box to obtain a second bounding box, which is oriented either horizontally or vertically with respect to the horizontal axis of the image; extracting features from a portion of the image in the second bounding box; comparing the features extracted from the portion of the image in the second bounding box with template features of a candidate object; and outputting a position of the object to be detected and feature recognition results.
Inventor(s): Jianwen ZHU of Beijing (CN) for boe technology group co., ltd., Binhua SUN of Beijing (CN) for boe technology group co., ltd., Feng ZI of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G09G3/00, G02B27/01
CPC Code(s): G09G3/002
Abstract: the present disclosure provides a control system including: a module-group drive state monitor, a module-group drive controller and a module-group drive state regulator. the module-group drive state monitor is configured to obtain drive state parameters of a display module-group, wherein the drive state parameters reflect a drive state of the display module-group. the module-group drive controller is configured to: determine a current drive state of the display module-group based on the drive state parameters, and select a drive strategy for the display module-group based on the current drive state. the module-group drive state regulator is configured to: drive the display module-group based on the drive strategy that is selected. the present disclosure also relates to a control method that can be applied to the control system, and to a device that can perform the control method.
Inventor(s): Can ZHANG of Beijing (CN) for boe technology group co., ltd., Ning CONG of Beijing (CN) for boe technology group co., ltd., Can WANG of Beijing (CN) for boe technology group co., ltd., Jinfei NIU of Beijing (CN) for boe technology group co., ltd., Jingjing ZHANG of Beijing (CN) for boe technology group co., ltd., Minghua XUAN of Beijing (CN) for boe technology group co., ltd., Xiaochuan CHEN of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G09G3/32
CPC Code(s): G09G3/32
Abstract: a pixel circuit, a driving method thereof, a display substrate and a display device are disclosed. the pixel circuit includes a driving circuit and a light-emitting element, the driving circuit is configured to provide a driving current and control a conducting duration of a current pathway between the first power supply terminal and the second power supply terminal; the light-emitting element is configured to receive the driving current in the current pathway and emit light; the driving circuit includes a current control sub-circuit and a duration control sub-circuit; the current control sub-circuit is configured to provide a driving current to the first node under the control of the first scanning signal terminal, the first data signal terminal and the first power supply terminal in a display stage and a non-display stage.
Inventor(s): Jinfei NIU of Beijing (CN) for boe technology group co., ltd., Minghua XUAN of Beijing (CN) for boe technology group co., ltd., Can ZHANG of Beijing (CN) for boe technology group co., ltd., Can WANG of Beijing (CN) for boe technology group co., ltd., Ning CONG of Beijing (CN) for boe technology group co., ltd., Jingjing ZHANG of Beijing (CN) for boe technology group co., ltd., Xiao BAI of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G09G3/32
CPC Code(s): G09G3/32
Abstract: a pixel circuit, a driving method therefor, a display substrate and a display device are provided. the pixel circuit includes a drive circuit and a light emitting element connected in series between a first power supply terminal and a third power supply terminal; the drive circuit is used for providing a drive current and controlling a time length of conduction of a current path between the first power supply terminal and the third power supply terminal; the light emitting element is used for receiving the drive current in the current path and emitting light; the drive circuit includes a drive control sub-circuit, a light emitting control sub-circuit and a time-length control sub-circuit; the drive control sub-circuit is used for providing a drive current to the first node under control of the first scan signal terminal, the first data signal terminal and the second node.
Inventor(s): Ying HAN of Beijing (CN) for boe technology group co., ltd., Pan XU of Beijing (CN) for boe technology group co., ltd., Xing ZHANG of Beijing (CN) for boe technology group co., ltd., Chengyuan LUO of Beijing (CN) for boe technology group co., ltd., Donghui ZHAO of Beijing (CN) for boe technology group co., ltd., Guangshuang LV of Beijing (CN) for boe technology group co., ltd., Cheng XU of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G09G3/3233
CPC Code(s): G09G3/3233
Abstract: pixel circuit, driving method, display substrate, panel and device are disclosed. the pixel circuit includes light-emitting element, and pixel driving circuit including driving circuit, data writing circuit and compensation control circuit; the data writing circuit writes data voltage into control end of driving circuit under control of write control signal in data writing phase; the compensation control circuit writes reference voltage into the control end of driving circuit under control of compensation control signal in compensation phase; the driving circuit is electrically connected to the light-emitting element, and is configured to drive the light-emitting element; the data writing phase does not overlap with the compensation phase. the threshold voltage compensation process does not occupy data writing time in timing, potential of source electrode of the driving transistor included in the driving circuit can be charged to theoretical target potential, which is applicable to display products with high refresh rate.
Inventor(s): Donghui Zhao of Beijing (CN) for boe technology group co., ltd., Pan Xu of Beijing (CN) for boe technology group co., ltd., Ying Han of Beijing (CN) for boe technology group co., ltd., Xing Zhang of Beijing (CN) for boe technology group co., ltd., Chengyuan Luo of Beijing (CN) for boe technology group co., ltd., Guangshuang Lv of Beijing (CN) for boe technology group co., ltd., Cheng Xu of Beijing (CN) for boe technology group co., ltd., Hongli Wang of Beijing (CN) for boe technology group co., ltd., Tong Wu of Beijing (CN) for boe technology group co., ltd., Dandan Zhou of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): G09G3/3258, G11C19/28
CPC Code(s): G09G3/3258
Abstract: a grid-driving-circuit array is applied to a display panel, the display panel is delimited into a plurality of active areas, and each of the active areas includes multiple rows of pixel units and multiple rows of grid lines. the multiple groups of grid driving units supply grid driving signals to the plurality of active areas, and each of the groups of grid driving units includes one or more grid driving circuits. the one or more grid driving circuits are configured for supplying the grid driving signals to the grid lines within the active area corresponding to the one or more grid driving circuits. one or more multiplexers, wherein each of the multiplexers includes a plurality of frame-starting-up-signal outputting units, each of the frame-starting-up-signal outputting units of the multiplexer is configured for supplying a frame starting-up signal to one of the grid driving circuits.
Inventor(s): Yulin FENG of Beijing (CN) for boe technology group co., ltd., Yue LI of Beijing (CN) for boe technology group co., ltd., Yuelei XIAO of Beijing (CN) for boe technology group co., ltd., Xue CAO of Beijing (CN) for boe technology group co., ltd., Huiying LI of Beijing (CN) for boe technology group co., ltd., Kidong HAN of Beijing (CN) for boe technology group co., ltd., Yifan WU of Beijing (CN) for boe technology group co., ltd., Wenbo CHANG of Beijing (CN) for boe technology group co., ltd., Qichang AN of Beijing (CN) for boe technology group co., ltd., Qiuxu WEI of Beijing (CN) for boe technology group co., ltd., Lihui WANG of Beijing (CN) for boe technology group co., ltd., Biqi LI of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H01F27/29, H01F27/32, H01F41/06, H03H7/01
CPC Code(s): H01F27/29
Abstract: the present disclosure provides an inductor, a manufacturing method therefor, a filter and an electronic device, belongs to the technical field of passive devices. the inductor according to the present disclosure includes a dielectric substrate and n coil structures disposed on the dielectric substrate; the n coil structures are nested and electrically connected in sequence, wherein n is an integer greater than or equal to 2. any one of the coil structures includes a plurality of layers of sub-coils disposed on the dielectric substrate in sequence, and at least one interlayer insulating layer is disposed between sub-coils disposed adjacently, and adjacent layers of sub-coils are electrically connected through a first connection via penetrating the interlayer insulating layer between the adjacent layers of sub-coils.
Inventor(s): Yanhong Wu of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H04N1/60, G06T7/90, G06V10/56, G06V10/75
CPC Code(s): H04N1/60
Abstract: a method of processing an image, an electronic device, and a storage medium. the method includes: determining, based on a predetermined color mode, a second rendering color of pixels of an original image according to a first rendering color of the pixels, where the first rendering color corresponds to a first color space; adjusting the second rendering color according to the second rendering color and an original rendering color of the pixels to obtain a third rendering color of the pixels, the original, second, and third rendering colors corresponding to the second color space, the first rendering color being obtained by performing a color space conversion on the original rendering color; and obtaining a target image according to the third rendering color, where a region corresponding to a visual saliency region of the original image in the target image has a color corresponding to the predetermined color mode.
Inventor(s): Li XIAO of Beijing (CN) for boe technology group co., ltd., Haoliang ZHENG of Beijing (CN) for boe technology group co., ltd., Minghua XUAN of Beijing (CN) for boe technology group co., ltd., Jiao ZHAO of Beijing (CN) for boe technology group co., ltd., Yuzhen GUO of Beijing (CN) for boe technology group co., ltd., Xiaorong CUI of Beijing (CN) for boe technology group co., ltd., Chenyang ZHANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H01L27/12, G09G3/20, G09G3/32, H01L25/16
CPC Code(s): H10D86/60
Abstract: a display substrate, a manufacturing method thereof and a display apparatus are provided. the display substrate includes a plurality of circuit units (q), the plurality of circuit units (q) includes at least a first circuit unit (q), a second circuit unit (q) and a third circuit unit (q), wherein the first circuit unit (q) includes at least a first drive transistor (dtft), the second circuit unit (q) includes at least a second drive transistor (dtft), the third circuit unit (q) includes at least a third drive transistor (dtft), the channel width of the first drive transistor (dtft) is larger than that of the second drive transistor (dtft) or the third drive transistor (dtft), and the channel length of the first drive transistor (dtft) is the same as that of the second drive transistor (dtft) or the third drive transistor (dtft).
Inventor(s): Li XIAO of Beijing (CN) for boe technology group co., ltd., Yan QU of Beijing (CN) for boe technology group co., ltd., Haoliang ZHENG of Beijing (CN) for boe technology group co., ltd., Jiao ZHAO of Beijing (CN) for boe technology group co., ltd., Yuzhen GUO of Beijing (CN) for boe technology group co., ltd., Xiaorong CUI of Beijing (CN) for boe technology group co., ltd., Chenyang ZHANG of Beijing (CN) for boe technology group co., ltd., Minghua XUAN of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H01L27/12, G09G3/32, H01L23/544, H01L25/16
CPC Code(s): H10D86/60
Abstract: disclosed are a display substrate and a preparation method therefor, and a display apparatus. the display substrate includes a plurality of first circuit regions and a plurality of second circuit regions alternately disposed along a second direction, a first circuit region includes a plurality of repeat units (ru) and a plurality of blank units (kb) alternately disposed along a first direction, a repeat unit (ru) includes a plurality of circuit units (q), a circuit unit (q) includes a pixel drive circuit and a data signal line (datai) connected with the pixel drive circuit, a second circuit region includes at least one gate unit (g), the gate unit includes at least one gate drive circuit, and an orthographic projection of the gate drive circuit on a plane of the display substrate is not overlapped with an orthographic projection of the data signal line (datai) on the plane of the display substrate.
Inventor(s): Yanan NIU of Beijing (CN) for boe technology group co., ltd., Yan QU of Beijing (CN) for boe technology group co., ltd., Jing NIU of Beijing (CN) for boe technology group co., ltd., Tingting ZHOU of Beijing (CN) for boe technology group co., ltd., Shuang SUN of Beijing (CN) for boe technology group co., ltd., Wei WANG of Beijing (CN) for boe technology group co., ltd., Hongwei TIAN of Beijing (CN) for boe technology group co., ltd., Bin QIN of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H01L33/54, H01L25/075, H01L25/16, H01L33/00, H01L33/62
CPC Code(s): H10H20/853
Abstract: a display panel is disclosed and includes a driving backplane, a plurality of light-emitting devices and an encapsulation structure. the plurality of light-emitting devices are located on a first side of the driving backplane and are disposed at intervals. a light-emitting device includes a device main body and device pins. the device main body includes a light-emitting portion, and the device pins are electrically connected to the driving backplane. the encapsulation structure is located on the first side of the driving backplane and includes a light-shielding pattern and a plurality of encapsulation portions. the light-shielding pattern has a plurality of accommodation regions, an accommodation region exposes at least one light-emitting device. at least part of an encapsulation portion is located in the accommodation region and covers the light-emitting device. a light-emitting portion of at least one light-emitting device is located in the accommodation region.
Inventor(s): Xiaobo DU of Beijing (CN) for boe technology group co., ltd., Yansong LI of Beijing (CN) for boe technology group co., ltd., Erli LI of Beijing (CN) for boe technology group co., ltd., Shu JING of Beijing (CN) for boe technology group co., ltd., Yonghong CHEN of Beijing (CN) for boe technology group co., ltd., Mingli LIU of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K50/12, H10K50/15, H10K50/16, H10K50/17, H10K101/00, H10K101/10, H10K101/25, H10K102/00
CPC Code(s): H10K50/12
Abstract: the present disclosure provides a light emitting device and a display panel, which belong to the field of display technology. the light emitting device includes a first electrode, a second electrode, and at least one light emitting unit between the first electrode and the second electrode; the at least one light emitting unit each at least includes a light emitting layer; the light emitting layer includes a host material, a phosphorescent guest material and a fluorescent guest material which are doped together; a lowest triplet energy level of at least one material in the host material is greater than a lowest triplet energy level of the phosphorescent guest material.
Inventor(s): Xueqin CHEN of Beijing (CN) for boe technology group co., ltd., Lei CHEN of Beijing (CN) for boe technology group co., ltd., Dan WANG of Beijing (CN) for boe technology group co., ltd., Lixia QIU of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K50/19, H10K50/16, H10K50/18, H10K85/60, H10K101/40, H10K102/00
CPC Code(s): H10K50/19
Abstract: the present disclosure provides a light emitting device and a display panel, and belongs to the field of display technology. the light emitting device includes an anode, a cathode, a plurality of light emitting units between the anode and the cathode, and a charge separation generation unit between every two adjacent light emitting units; the plurality of light emitting units include a first light emitting unit and a second light emitting unit, and the first light emitting unit is closer to the anode than the second light emitting unit; and the first light emitting unit at least includes a first electron transport sub-unit, the second light emitting unit at least includes a second electron transport sub-unit, and a thickness of the first electron transport sub-unit is less than that of the second electron transport sub-unit.
Inventor(s): Kuo SHEN of Beijing (CN) for boe technology group co., ltd., Qixiao WU of Beijing (CN) for boe technology group co., ltd., Wenxiu ZHU of Beijing (CN) for boe technology group co., ltd., Shanshan BAI of Beijing (CN) for boe technology group co., ltd., Na BI of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K59/121, H10K59/12, H10K59/38, H10K59/60
CPC Code(s): H10K59/121
Abstract: a display substrate, including repetitive units; where each repetitive unit includes first, second and third light-emitting element and photoelectric conversion elements; the first and third light-emitting elements are of a same number; the second light-emitting elements and the photoelectric conversion elements are of a same number; second light-emitting elements are twice as many as the first light-emitting element; the first, second and third light-emitting elements are sequentially arranged along first direction; the second light-emitting elements and the photoelectric conversion elements are sequentially arranged along second direction, respectively; an angle between the first and second direction is >0� and ≤90�; the photoelectric conversion elements and the second light-emitting elements are adjacently arranged and distributed in one-to-one correspondence; any set of corresponding second light-emitting element and photoelectric conversion element are arranged along the first direction; the first or third light-emitting element is located between two adjacent photoelectric conversion elements.
Inventor(s): Dejiang ZHAO of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K59/122, H10K59/12, H10K71/13, H10K102/00
CPC Code(s): H10K59/122
Abstract: a display substrate including a base substrate and a light emitting structure layer disposed on the base substrate, the light emitting structure layer includes at least one light emitting element and a composite dielectric layer located on at least one side of the light emitting element; the light emitting element includes a support layer, and an anode, a partition layer and a light emitting functional layer disposed on the support layer, a surface of the support layer away from the base substrate is higher than a surface of the composite dielectric layer away from the base substrate, the partition layer and the anode form an accommodation groove, at least a portion of the light emitting functional layer is disposed in the accommodation groove and connected with the anode, and at least a portion of the light emitting functional layer and the composite dielectric layer are disconnected from each other.
20250081735. Display Panel and Display Device_simplified_abstract_(boe technology group co., ltd.)
Inventor(s): Donghui Yu of Beijing (CN) for boe technology group co., ltd., Cheng Xu of Beijing (CN) for boe technology group co., ltd., Dandan Zhou of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K59/122, H10K59/80
CPC Code(s): H10K59/122
Abstract: provided are a display panel and a display device. the display panel includes: a base substrate, including a plurality of light-emitting regions and a non-light-emitting region located between adjacent light-emitting regions; a pixel-defining layer, located on the base substrate and having a main body part and a plurality of openings defined by the main body part, each of the plurality openings being configured to define at least one of the plurality of light-emitting regions; a first structural layer at least located in one light-emitting region; a second structural layer at least located in the non-light-emitting region; the first structural layer has a first refractive index, the second structural layer has a second refractive index, and the first refractive index is greater than the second refractive index.
Inventor(s): Wei QUAN of Beijing (CN) for boe technology group co., ltd., Juanjuan YOU of Beijing (CN) for boe technology group co., ltd., Bin BO of Beijing (CN) for boe technology group co., ltd., Cheng XU of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K59/122, H10K59/12, H10K59/173
CPC Code(s): H10K59/122
Abstract: a display substrate is provided and includes a base substrate; a plurality of sub-pixels, a pixel-defining pattern, and a first filling structure. the sub-pixels are on the base substrate, each of at least part of the plurality of sub-pixels includes a light-emitting element, the pixel-defining pattern includes a plurality of openings and a defining portion that surrounds the plurality of openings, the defining portion includes at least one cavity surrounding at least one opening, and the first filling structure is in the cavity, and a surface, away from the base substrate, of the first filling structure is farther away from the base substrate than a surface, away from the base substrate, of at least a portion of the light-emitting functional layer in the opening.
Inventor(s): Ming YANG of Beijing (CN) for boe technology group co., ltd., Xuan FENG of Beijing (CN) for boe technology group co., ltd., Liwei LIU of Beijing (CN) for boe technology group co., ltd., Zhuo LI of Beijing (CN) for boe technology group co., ltd., Hui ZHANG of Beijing (CN) for boe technology group co., ltd., Seungwoo HAN of Beijing (CN) for boe technology group co., ltd., Yanliu SUN of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K59/131
CPC Code(s): H10K59/131
Abstract: a display panel and a display apparatus. the display panel includes a substrate, and pixel islands (pi) arranged in an array on the substrate, and at least one pixel island (pi) includes a plurality of pixel drive circuits () and a plurality of light emitting devices, wherein a light emitting device includes a first electrode (), and at least one pixel drive circuit () is electrically connected with at least one light emitting device; first electrodes () of a plurality of light emitting devices on a same pixel island are arranged in a first direction, and an orthographic projection of a first electrode () of at least one light emitting device on the substrate is at least partially overlapped with an orthographic projection of at least two pixel drive circuits () on the substrate.
Inventor(s): Wei HUANG of Beijing (CN) for boe technology group co., ltd., Qian JIN of Beijing (CN) for boe technology group co., ltd., Jinglu BAI of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K59/50, G02F1/155, G02F1/157, H10K59/38
CPC Code(s): H10K59/50
Abstract: a color film substrate, including: a first base substrate, a plurality of control electrodes, a fixed signal terminal, a color film layer, a drive circuit, and a first light-shielding layer. the color film layer includes a plurality of first color films, a plurality of second color films, and a plurality of color-changing color films. an orthographic projection of each of the first color films on the first base substrate is within one of first pixel regions. the first color film is in a first color. an orthographic projection of each of the second color films on the first base substrate is within one of second pixel regions. the second color film is in a second color. each of the color-changing color films is configured to regulate a color based on the second color and a third color under control of the fixed signal terminal and the drive circuit.
Inventor(s): Weiting PENG of Beijing (CN) for boe technology group co., ltd., Qian WU of Beijing (CN) for boe technology group co., ltd., Fang CHENG of Beijing (CN) for boe technology group co., ltd., Qiuyu LING of Beijing (CN) for boe technology group co., ltd., Wei WANG of Beijing (CN) for boe technology group co., ltd., Pengxia LIANG of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K59/80, H10K59/12, H10K102/00
CPC Code(s): H10K59/879
Abstract: the present disclosure provides a display panel, including: a driving backplane; a light-emitting unit layer located on a side of the driving backplane and comprising at least one light-emitting pixel unit; a metasurface composite structure layer located on a light-exiting side of the light-emitting pixel unit and including at least two metasurface micro-lens structure layers, which are sequentially arranged in a direction away from the light-emitting pixel unit and are independent of each other, where the metasurface micro-lens structure layers are configured to modulate a phase of light incident thereinto so as to converge the light. embodiments of the present disclosure further provide a method for manufacturing a display panel and a display device.
Inventor(s): Yansong Li of Beijing (CN) for boe technology group co., ltd., Shuyun Xu of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K85/30, C09K11/02, C09K11/06, H10K85/60
CPC Code(s): H10K85/342
Abstract: the present disclosure relates to the field of display technology, in particular to a phosphorescent material, an electroluminescent device and a display device. the phosphorescent material includes a heterocyclic ligand phosphorescent iridium complex with a structural formula indicated by general formula i.
Inventor(s): Rongrong GAO of Beijing (CN) for boe technology group co., ltd., Dan WANG of Beijing (CN) for boe technology group co., ltd., Lei CHEN of Beijing (CN) for boe technology group co., ltd., Lixia QIU of Beijing (CN) for boe technology group co., ltd., Yuqian SUN of Beijing (CN) for boe technology group co., ltd.
IPC Code(s): H10K85/60, H10K50/15, H10K50/18, H10K101/40
CPC Code(s): H10K85/6572
Abstract: an organic light emitting device includes an anode, a cathode, and a first hole transport layer and a first light emitting layer arranged between the anode and the cathode, wherein the first hole transport layer is located between the first light emitting layer and the anode; the first hole transport layer at least includes a first hole sublayer and a second hole sublayer; a material of the first hole sublayer includes a first material and a second material, and a material of the second hole sublayer includes at least one of the first material and the second material.
BOE Technology Group Co., Ltd. patent applications on March 6th, 2025
- BOE Technology Group Co., Ltd.
- C23C14/04
- H10K59/12
- H10K71/16
- CPC C23C14/042
- Boe technology group co., ltd.
- G01N27/22
- B81B3/00
- CPC G01N27/223
- G02F1/13357
- CPC G02F1/133606
- G02F1/1362
- CPC G02F1/136286
- G06F3/041
- G06F3/044
- CPC G06F3/0412
- CPC G06F3/04166
- CPC G06F3/0446
- G06F3/04883
- CPC G06F3/04883
- G06F7/58
- CPC G06F7/588
- G06Q30/0204
- G06Q10/0631
- CPC G06Q30/0205
- G06T7/80
- G06V20/40
- G06V20/52
- CPC G06T7/80
- G06V10/75
- G06T7/194
- G06T7/73
- G06V10/20
- G06V10/774
- G06V10/82
- CPC G06V10/751
- G09G3/00
- G02B27/01
- CPC G09G3/002
- G09G3/32
- CPC G09G3/32
- G09G3/3233
- CPC G09G3/3233
- G09G3/3258
- G11C19/28
- CPC G09G3/3258
- H01F27/29
- H01F27/32
- H01F41/06
- H03H7/01
- CPC H01F27/29
- H04N1/60
- G06T7/90
- G06V10/56
- CPC H04N1/60
- H01L27/12
- G09G3/20
- H01L25/16
- CPC H10D86/60
- H01L23/544
- H01L33/54
- H01L25/075
- H01L33/00
- H01L33/62
- CPC H10H20/853
- H10K50/12
- H10K50/15
- H10K50/16
- H10K50/17
- H10K101/00
- H10K101/10
- H10K101/25
- H10K102/00
- CPC H10K50/12
- H10K50/19
- H10K50/18
- H10K85/60
- H10K101/40
- CPC H10K50/19
- H10K59/121
- H10K59/38
- H10K59/60
- CPC H10K59/121
- H10K59/122
- H10K71/13
- CPC H10K59/122
- H10K59/80
- H10K59/173
- H10K59/131
- CPC H10K59/131
- H10K59/50
- G02F1/155
- G02F1/157
- CPC H10K59/50
- CPC H10K59/879
- H10K85/30
- C09K11/02
- C09K11/06
- CPC H10K85/342
- CPC H10K85/6572