LG Display Co., Ltd. patent applications on April 10th, 2025
Patent Applications by LG Display Co., Ltd. on April 10th, 2025
LG Display Co., Ltd.: 18 patent applications
LG Display Co., Ltd. has applied for patents in the areas of G09G3/3291 (5), G09G3/3258 (4), H10K59/80 (3), G09G3/32 (3), G09G3/3266 (3) G09G3/3258 (3), G09G3/3291 (3), H05K5/03 (2), G09G3/2007 (1), G09G3/32 (1)
With keywords such as: display, voltage, pixel, layer, device, driving, panel, signal, including, and electrode in patent application abstracts.
Patent Applications by LG Display Co., Ltd.
Inventor(s): Ki Tae Kwon of Paju-si KR for lg display co., ltd., Jong Wook Jang of Paju-si KR for lg display co., ltd.
IPC Code(s): G09G3/20, G09G3/3225
CPC Code(s): G09G3/2007
Abstract: a compensation circuit and a display device are disclosed. the compensation circuit includes a gain compensator that calculates a voltage drop amount using a first pixel driving voltage output from a power supply and a second pixel driving voltage fed back from a wire of a display panel. the voltage drop amount is amplified by a predetermined gain value. a first voltage compensator generates a high-potential gamma reference voltage by adjusting a first reference voltage using the voltage drop amount and a second voltage compensator generates a low potential gamma reference voltage by adjusting a second reference voltage using the generated voltage drop. the gain value is a value calculated using voltages at two predetermined points within the wire of the display panel. accordingly, an individual compensation circuit optimized depending on a position where the pixel driving voltage is fed back can be provided.
20250118246. Light Emitting Display Apparatus_simplified_abstract_(lg display co., ltd.)
Inventor(s): JunHee Han of Paju-si KR for lg display co., ltd.
IPC Code(s): G09G3/32, G09G3/3266, G09G3/3291
CPC Code(s): G09G3/32
Abstract: a light emitting display apparatus is disclosed in which some of pixels outputting light can transmit external light, and the light emitting display apparatus comprises a substrate divided into a transmission area through which light is transmitted and a non-transmission area through which light is blocked, a first color pixel in the non-transmission area and including a first pixel driving circuit and a first light emitting device, a second color pixel in the non-transmission area and including a second pixel driving circuit and a second light emitting device, and a transparent pixel in the transmission area and including a transparent light emitting device.
20250118263. Display Device and Driving Method Thereof_simplified_abstract_(lg display co., ltd.)
Inventor(s): Woo Kyu Sang of Paju-si KR for lg display co., ltd., Moon Soo Chung of Paju-si KR for lg display co., ltd., Tae Hun Kim of Paju-si KR for lg display co., ltd.
IPC Code(s): G09G3/3258, G09G3/3266, G11C19/28
CPC Code(s): G09G3/3258
Abstract: disclosed a display device and a method of driving the same. each of sub-pixels in the display device includes: a light-emitting element; a driving element; a first switch element; a second switch element; a third switch element; and a fourth switch element. a gate signal includes: a first-first scan signal applied to a gate electrode of the fourth switch element, a first-second scan signal applied to a gate electrode of the third switch element, a second scan signal applied to a gate electrode of the second switch element, and an emission control signal applied to a gate electrode of the first switch element. a pulse of the first-first scan signal has the same pulse width as a pulse of the first-second scan signal and precedes the pulse of the first-second scan signal.
Inventor(s): Jung Hoon LEE of Paju-si KR for lg display co., ltd., Hyung Uk JANG of Paju-si KR for lg display co., ltd.
IPC Code(s): G09G3/3258, G09G3/32
CPC Code(s): G09G3/3258
Abstract: the present disclosure relates to a pixel circuit and a display device including the same. the pixel circuit includes: a first driving transistor including a first electrode connected to a first node to which a driving voltage is applied, a gate electrode connected to a second node, and a second electrode connected to a third node; a second driving transistor including a first electrode connected to the first node, a gate electrode connected to a fifth node, and a second electrode connected to a sixth node; and a sensing part configured to sense electrical characteristics of the first driving transistor and the second driving transistor.
Inventor(s): Dong Gun LEE of Paju-si KR for lg display co., ltd., Bo Yun JUNG of Paju-si KR for lg display co., ltd.
IPC Code(s): G09G3/3258, G09G3/20
CPC Code(s): G09G3/3258
Abstract: a display device including a display panel including data lines, gate lines, and pixels applied with pixel driving voltages; a data driver configured to supply pixel data to the data lines; a power supply configured to apply the pixel driving voltage to the pixels; and a compensation circuit configured to generate a pixel driving voltage drop amount using a pixel driving voltage applied from the power supply and a pixel driving voltage fed back from a central portion of the display panel, amplify the generated pixel driving voltage drop amount using a predetermined gain value, and generate a compensation voltage value for compensating a gamma reference voltage for a corresponding pixel using the amplified pixel driving voltage drop amount.
Inventor(s): Ki Tae Kwon of Paju-si KR for lg display co., ltd., Seung Hwan Shin of Paju-si KR for lg display co., ltd.
IPC Code(s): G09G3/3266, G09G3/3233
CPC Code(s): G09G3/3266
Abstract: a gate driver and a display device are disclosed. the gate driver includes a plurality of signal transmitters dependently connected via a carry line through which a carry signal is applied from a previous signal transmitter, wherein an nth (n being a positive integer) signal transmitter includes a first circuit part configured to receive the carry signal from the previous signal transmitter and charge or discharge a first control node and a second control node; a second circuit part configured to output a gate signal based on voltages at the first control node and the second control node; and a selection portion configured to invert a voltage applied to a first node during a frame skip interval of a partial area in a pixel array driven at a predetermined frame frequency, and charge the first control node with a voltage of the first node.
20250118267. Display Device_simplified_abstract_(lg display co., ltd.)
Inventor(s): Woo Kyu Sang of Paju-si KR for lg display co., ltd., Bo Gun Seo of Paju-si KR for lg display co., ltd.
IPC Code(s): G09G3/3291, G09G3/3233
CPC Code(s): G09G3/3291
Abstract: the present disclosure relates to a display device. the display panel of the display device includes at least a first block, a second block, a third block, and a fourth block from the left. a data driver includes a first drive ic disposed to be biased to the left end of the display panel within the first block of the display panel; and a second drive ic disposed to be biased to the right end of the display panel within the fourth block of the display panel.
20250118268. DISPLAY DEVICE AND DRIVING METHOD THEREOF_simplified_abstract_(lg display co., ltd.)
Inventor(s): Woo Kyu SANG of Paju-si KR for lg display co., ltd., Moon Soo CHUNG of Paju-si KR for lg display co., ltd., Tae Hun KIM of Paju-si KR for lg display co., ltd.
IPC Code(s): G09G3/3291, G09G3/32, G09G3/3258
CPC Code(s): G09G3/3291
Abstract: a display device including a display panel including data lines, gate lines, power lines, and sub-pixels; a gate driver to supply a gate signal to the gate lines; a data driver configured to supply a data voltage to the data lines during a refresh frame period prior to a hold frame period; and a compensation voltage generator configured to during the hold frame period, output a first compensation voltage to the data lines instead of the data voltage supplied by the data driver, and output a second compensation voltage and a third compensation voltage to the power lines connected to the sub-pixels, and during the refresh frame period, output the second compensation voltage and the third compensation voltage to the power lines without outputting the first compensation voltage.
20250118269. Display Device_simplified_abstract_(lg display co., ltd.)
Inventor(s): Jae Young Lee of Paju-si KR for lg display co., ltd., Dongju Kim of Paju-si KR for lg display co., ltd.
IPC Code(s): G09G3/3291
CPC Code(s): G09G3/3291
Abstract: a display device is disclosed that comprises a display panel including a plurality of subpixels, a source film coupled to a side of the display panel and on which a source driving integrated circuit supplying a data voltage to the display panel is implemented, and a source printed circuit board on which a low-potential voltage line transmitting a base voltage to the display panel through the source film is disposed in a closed loop structure.
Inventor(s): Yong-Su HAM of Paju-si KR for lg display co., ltd., SeungRyull PARK of Paju-si KR for lg display co., ltd., Chiwan KIM of Paju-si KR for lg display co., ltd.
IPC Code(s): H04R17/00, H04R1/02
CPC Code(s): H04R17/00
Abstract: a vibration apparatus may comprise a vibration member, and a vibration element configured to vibrate the vibration member and including a vibration part. the vibration part includes a piezoelectric material and an electrostrictive material. the electrostrictive material includes materials repressed by equations 1 and 2 below.
Inventor(s): Yong-Su HAM of Paju-si KR for lg display co., ltd., SeungRyull PARK of Paju-si KR for lg display co., ltd., Chiwan KIM of Paju-si KR for lg display co., ltd.
IPC Code(s): H04R17/00, H04R1/02
CPC Code(s): H04R17/00
Abstract:
()() [equation 1]
Inventor(s): Yong-Su HAM of Paju-si KR for lg display co., ltd., SeungRyull PARK of Paju-si KR for lg display co., ltd., Chiwan KIM of Paju-si KR for lg display co., ltd.
IPC Code(s): H04R17/00, H04R1/02
CPC Code(s): H04R17/00
Abstract:
()() [equation 2].
20250120017. Contact Hole Assembly and Electronic Device_simplified_abstract_(lg display co., ltd.)
Inventor(s): Hyeon-Sik Cho of Paju-si KR for lg display co., ltd.
IPC Code(s): H05K1/11
CPC Code(s): H05K1/115
Abstract: embodiments of the disclosure relate to a contact hole assembly and an electronic device and may, more specifically, provide a contact hole assembly comprising a first metal layer to which an electrical signal is input, an insulation layer formed on the first metal layer, a second metal layer formed on the insulation layer and outputting the electrical signal, and a contact hole electrically connecting the first metal layer and the second metal layer, wherein the contact hole includes a via area penetrating the insulation layer, a conductor formed in the via area, and a recess area where a portion of a surface of the conductor is removed.
20250120028. DISPLAY DEVICE_simplified_abstract_(lg display co., ltd.)
Inventor(s): Jae Ho JUNG of Paju-si KR for lg display co., ltd.
IPC Code(s): H05K5/03, H05K7/20
CPC Code(s): H05K5/03
Abstract: an embodiment of the present specification discloses a display devices comprising: a housing with an opening formed on one side thereof; a display panel disposed in the opening; a first substrate disposed on the rear surface of the display panel; a first flexible film connecting the display panel and the first substrate; a second substrate disposed to be spaced apart from the first substrate; and a second flexible film connecting the first substrate and the second substrate, wherein the second substrate is more spaced apart from the display panel than the first substrate.
Inventor(s): Byeongjo MIN of Paju-si KR for lg display co., ltd.
IPC Code(s): H05K5/03, B60K35/50, H10K59/80, H10K102/00
CPC Code(s): H05K5/03
Abstract: disclosed is a display apparatus mounted on a vehicle that prevents head injury to a driver or a passenger caused by the display apparatus in event of a vehicle collision, and vehicle including the same. to this end, the display apparatus has a structure in which a back cover coupled to a cover glass module including a display panel is fixed to a dashboard of the vehicle through a mounting part made of flexible rubber. therefore, the mounting part that fixes the back cover is made of a flexible rubber material. a content of metal or acrylic material added to the rubber material is controlled to achieve the mounting part which absorbs a shock and, at the same time, prevents decrease in a supporting ability of the mounting part.
20250120226. Display Apparatus_simplified_abstract_(lg display co., ltd.)
Inventor(s): Bogyun Chung of Goyang-si KR for lg display co., ltd., Seok Kim of Seoul KR for lg display co., ltd., Yoonseok Kim of Paju-si KR for lg display co., ltd., Jaekyung Lee of Paju-si KR for lg display co., ltd., Hyeonho Son of Goyang-si KR for lg display co., ltd., Seungman Ryu of Paju-si KR for lg display co., ltd., Jungeun Son of Goyang-si KR for lg display co., ltd.
IPC Code(s): H01L33/48, H01L25/16, H01L33/60, H01L33/62
CPC Code(s): H10H20/8506
Abstract: a display apparatus presented herein includes a substrate having a pixel, a light-emitting diode in the pixel, a first insulating layer around the light-emitting diode, a second insulating layer on the first insulating layer, and a first bank around the second insulating layer.
20250120258. DISPLAY PANEL AND DISPLAY DEVICE USING SAME_simplified_abstract_(lg display co., ltd.)
Inventor(s): Seung Taek OH of Paju-si KR for lg display co., ltd., Seong Ho CHO of Paju-si KR for lg display co., ltd., Min Sung KANG of Paju-si KR for lg display co., ltd., Bo Gun SEO of Paju-si KR for lg display co., ltd.
IPC Code(s): H10K59/121, G09G3/3291, H10K59/35
CPC Code(s): H10K59/121
Abstract: the present disclosure relates to a display panel and a display device using the same. between first and second pixel areas having different pixels per inch, a third pixel area is provided to have the same pixels per inch as the first pixel area. in the third pixel area, some of pixels emit light as on pixels, and remaining background pixels except for the on pixels are driven as off pixels or low luminance pixels.
Inventor(s): Yubeen Lim of Paju-si KR for lg display co., ltd., Soyang Choi of Paju-si KR for lg display co., ltd., Hanseok Lee of Paju-si KR for lg display co., ltd., JungJune Kim of Paju-si KR for lg display co., ltd.
IPC Code(s): H10K59/80, H10K59/12, H10K59/65, H10K102/00
CPC Code(s): H10K59/8731
Abstract: a display apparatus with a moisture barrier structure and a method for manufacturing the display apparatus are disclosed. the display apparatus includes a first thin film transistor on a substrate, a separation layer disposed on the first thin film transistor and including an organic material, an inorganic insulating layer on the separation layer, a buffer layer on the inorganic insulating layer, a second thin film transistor on the buffer layer, and a display element connected to any one of the first thin film transistor and the second thin film transistor, wherein the separation layer has a recess, the recess has an opening in a direction toward the inorganic insulating layer, and the inorganic insulating layer is not disposed in the opening.
Inventor(s): SangMoo SONG of Paju-si KR for lg display co., ltd., Wooseok CHO of Paju-si KR for lg display co., ltd., Jungseop YOON of Paju-si KR for lg display co., ltd.
IPC Code(s): H10K59/80, H10K59/40
CPC Code(s): H10K59/879
Abstract: a display device may include a display area having a plurality of pixel sets, and a non-display area disposed adjacent to the display area. at least one of the plurality of pixel sets may include a first pixel controlling a first viewing angle to a first range, a second pixel controlling a second viewing angle to a second range, and a third pixel controlling a third viewing angle to a third range symmetrical to the first range. each of the first pixel, the second pixel, and the third pixel may include a respective driving transistor, a respective light emitting device, and at least one light control device disposed on the respective light emitting device. the at least one light control device of the third pixel may have a shape symmetrical to the at least one light control device of the first pixel.
Inventor(s): SeungRyull PARK of Paju-si KR for lg display co., ltd., Chiwan KIM of Paju-si KR for lg display co., ltd., YoungWook HA of Paju-si KR for lg display co., ltd.
IPC Code(s): H10N30/50, B06B1/06, H10N30/87
CPC Code(s): H10N30/50
Abstract: a vibration apparatus and an electronic apparatus including the same are discussed. the vibration apparatus can include a vibration generating part. the vibration generating part can include a plurality of electrode layers, a plurality of vibration layers between the plurality of electrode layers and including a piezoelectric material, a first connection member configured to be electrically connected to an electrode layer of a first group among the plurality of electrode layers, and a second connection member configured to be electrically connected to an electrode layer of a second group among the plurality of electrode layers. each of the plurality of electrode layers is configured to have a shape, which differs from a shape of each of the plurality of vibration layers, and a size which is smaller than a size of each of the plurality of vibration layers.
LG Display Co., Ltd. patent applications on April 10th, 2025
- LG Display Co., Ltd.
- G09G3/20
- G09G3/3225
- CPC G09G3/2007
- Lg display co., ltd.
- G09G3/32
- G09G3/3266
- G09G3/3291
- CPC G09G3/32
- G09G3/3258
- G11C19/28
- CPC G09G3/3258
- G09G3/3233
- CPC G09G3/3266
- CPC G09G3/3291
- H04R17/00
- H04R1/02
- CPC H04R17/00
- H05K1/11
- CPC H05K1/115
- H05K5/03
- H05K7/20
- CPC H05K5/03
- B60K35/50
- H10K59/80
- H10K102/00
- H01L33/48
- H01L25/16
- H01L33/60
- H01L33/62
- CPC H10H20/8506
- H10K59/121
- H10K59/35
- CPC H10K59/121
- H10K59/12
- H10K59/65
- CPC H10K59/8731
- H10K59/40
- CPC H10K59/879
- H10N30/50
- B06B1/06
- H10N30/87
- CPC H10N30/50
