Japan Display Inc. patent applications on December 26th, 2024

Patent Applications by Japan Display Inc. on December 26th, 2024

Japan Display Inc.: 19 patent applications

Japan Display Inc. has applied for patents in the areas of G02F1/1337 (4), G02F1/1333 (4), G02F1/1335 (3), G02F1/1362 (3), H01L29/786 (2) G02F1/1323 (2), H01L29/7869 (2), G02B5/1857 (1), H10K50/844 (1), H10K39/32 (1)

With keywords such as: display, light, layer, liquid, crystal, panel, substrate, film, electrode, and source in patent application abstracts.

Patent Applications by Japan Display Inc.

20240427066. LIQUID CRYSTAL OPTICAL ELEMENT AND MANUFACTURING METHOD OF THE SAME_simplified_abstract_(japan display inc.)

Inventor(s): Ayaka HIGUCHI of Tokyo (JP) for japan display inc., Shinichiro OKA of Tokyo (JP) for japan display inc., Yasushi TOMIOKA of Tokyo (JP) for japan display inc., Koichi IGETA of Tokyo (JP) for japan display inc.

IPC Code(s): G02B5/18

CPC Code(s): G02B5/1857

Abstract: according to one embodiment, a liquid crystal optical element includes a substrate, an alignment film, and a liquid crystal layer. the alignment film includes a plurality of first areas and a second area. the liquid crystal layer includes a first alignment area overlapping with the first area and including a plurality of first liquid crystal molecules forming an alignment pattern in which longitudinal axes of the first liquid crystal molecules successively vary and a second alignment area overlapping with the second area and including a plurality of second liquid crystal molecules, longitudinal axes of the plurality of second liquid crystal molecules being arranged in the same direction.

20240427180. DISPLAY DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Hirofumi OHIRA of Tokyo (JP) for japan display inc.

IPC Code(s): G02F1/13, G02F1/1335, G02F1/1337

CPC Code(s): G02F1/1323

Abstract: according to an aspect, a display device includes: a display panel having a display region configured to output an image; a light source configured to emit light toward one surface side of the display panel; and a light adjuster interposed between the display panel and the light source and provided to be able to change a transmission degree of light between the display panel and the light source. in the light adjuster, a first polarization layer, a first liquid crystal panel, a second polarization layer, a second liquid crystal panel, and a third polarization layer are stacked from the light source side toward the display panel side; and one of the first and second liquid crystal panels is provided as an e-mode liquid crystal panel, and the other of the first and second liquid crystal panels is provided as an o-mode liquid crystal panel.

20240427181. DISPLAY DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Hirofumi OHIRA of Tokyo (JP) for japan display inc.

IPC Code(s): G02F1/13, G02F1/133

CPC Code(s): G02F1/1323

Abstract: a display device includes: a display panel; a light source configured to emit light toward one surface side of the display panel; a liquid crystal panel interposed between the display panel and the light source and provided to be able to change a transmission degree of light between the display panel and the light source; and a controller configured to control a potential difference between two electrodes facing each other with liquid crystal interposed therebetween. the liquid crystal panel in operation is makes a transmission degree of light tilted toward one side in a longitudinal direction of the display panel in a rectangular shape and a transmission degree of light tilted toward the other side in the longitudinal direction to be different from each other. the potential difference corresponds to an angle of tilt with a smaller transmission degree of light when the liquid crystal panel is in operation.

20240427182. LIGHT ADJUSTMENT DEVICE MANUFACTURING METHOD_simplified_abstract_(japan display inc.)

Inventor(s): Yoshifumi KAMEI of Tokyo (JP) for japan display inc., Yoshikatsu IMAZEKI of Tokyo (JP) for japan display inc., Koichi MIYASAKA of Tokyo (JP) for japan display inc., Yoichi KAMIJO of Tokyo (JP) for japan display inc., Shuichi OSAWA of Tokyo (JP) for japan display inc.

IPC Code(s): G02F1/1333

CPC Code(s): G02F1/133351

Abstract: a method of manufacturing a light adjustment device includes a panel unit in which at least four light adjustment panels each including a first substrate and a second substrate overlapping the first substrate in a first direction are stacked in the first direction, and a conductive member that is provided at an end part of the panel unit in a second direction intersecting the first direction and extends in the first direction.

20240427185. DISPLAY DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Hirofumi OHIRA of Tokyo (JP) for japan display inc., Koji YOSHIDA of Tokyo (JP) for japan display inc.

IPC Code(s): G02F1/1333, G02F1/1343

CPC Code(s): G02F1/13338

Abstract: according to an aspect, a display device includes: a display panel having a display region configured to output an image; a light source configured to emit light toward one surface side of the display panel; a liquid crystal panel interposed between the display panel and the light source and provided to be able to change a transmission degree of light between the display panel and the light source; a signal generator coupled to two electrodes facing each other with liquid crystal interposed between the electrodes in the liquid crystal panel and configured to provide an individual electric signal to each of the two electrodes; and a signal sensor coupled to the two electrodes and configured to individually sense the electric signals provided to the two electrodes.

20240427187. DISPLAY DEVICE AND COLOR FILTER SUBSTRATE_simplified_abstract_(japan display inc.)

Inventor(s): Tetsuya YAMAMOTO of Tokyo (JP) for japan display inc., Tatsuaki KUJI of Tokyo (JP) for japan display inc., Satoru KAWASAKI of Tokyo (JP) for japan display inc.

IPC Code(s): G02F1/1335

CPC Code(s): G02F1/133514

Abstract: according to one embodiment, a display device includes a first substrate including a plurality of pixels, a second substrate opposed comprising a plurality of color filters and a light-shielding layer, and a liquid crystal layer. the plurality of pixels include a plurality of first pixels arranged in an oblique direction and a plurality of second pixels adjacent to each of the plurality of first pixels. the plurality of color filters include a first color filter extending in the oblique direction to overlap with the plurality of first pixels and a second color filter extending in the oblique direction to overlap with the plurality of second pixels. the light-shielding layer extends to overlap with a boundary portion between the first and second color filters.

20240427195. LIQUID CRYSTAL OPTICAL ELEMENT_simplified_abstract_(japan display inc.)

Inventor(s): Shinichiro OKA of Tokyo (JP) for japan display inc., Yasushi TOMIOKA of Tokyo (JP) for japan display inc., Koichi IGETA of Tokyo (JP) for japan display inc., Ayaka HIGUCHI of Tokyo (JP) for japan display inc., Tsuyoshi IYAMA of Tokyo (JP) for japan display inc., Ryoichi MATSUMOTO of Tokyo (JP) for japan display inc., Kiyoshi SHOHARA of Tokyo (JP) for japan display inc., Takeshi YAMAMOTO of Tokyo (JP) for japan display inc.

IPC Code(s): G02F1/1337

CPC Code(s): G02F1/1337

Abstract: according to one embodiment, a liquid crystal optical element according to one embodiment includes a substrate, a plurality of structures aligned at a prescribed pitch in each of a plurality of first areas, and a liquid crystal layer arranged across the plurality of first areas and a second area surrounding each of the plurality of first areas. the liquid crystal layer includes first liquid crystal molecules arranged in the first areas between the adjacent structures and aligned along the structures, and second liquid crystal molecules having the long axes aligned in the same direction in the second area.

20240427197. LIQUID CRYSTAL DISPLAY DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Takashi YAMAMOTO of Chiba (JP) for japan display inc., Tomoya SUGANO of Mobara (JP) for japan display inc., Takamitsu KAMADA of Mobara (JP) for japan display inc.

IPC Code(s): G02F1/1339, G02F1/1333, G02F1/1335, G02F1/1337, G02F1/1345, G02F1/1362

CPC Code(s): G02F1/13394

Abstract: a liquid crystal display device includes a tft substrate having a display region where pixels each having a tft and a pixel electrode are formed in a matrix, a counter substrate having a display region where color filters of three colors are formed in a matrix, the tft substrate and the counter substrate being bonded together with a sealing material in a seal portion at a periphery, and liquid crystal sealed between the tft substrate and the counter substrate by the seal material. in the display region, a first insulation film, a first alignment film, a first columnar spacer, an overcoat film, a first color filter among the color filters of three colors are stacked in this order between the tft substrate and the counter substrate.

20240427199. OPTICAL CONTROL ELEMENT_simplified_abstract_(japan display inc.)

Inventor(s): Toshiharu MATSUSHIMA of Tokyo (JP) for japan display inc.

IPC Code(s): G02F1/1343, G02F1/1333, G02F1/1337

CPC Code(s): G02F1/134309

Abstract: according to one embodiment, an optical control element includes a base, an electrode provided on the base, a liquid crystal layer provided on the electrode, and a high-resistance layer having a resistance higher than that of the electrode and provided between the electrode and the liquid crystal layer, wherein the electrode overlaps the high-resistance layer in plan view, and a connection portion of the high resistance layer is in contact with the electrode.

20240427204. DISPLAY DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Kentaro KAWAI of Tokyo (JP) for japan display inc.

IPC Code(s): G02F1/1362, G02F1/1345

CPC Code(s): G02F1/13629

Abstract: a display device includes an array substrate including a display region arranged with pixels and a peripheral region outside the display region, a counter substrate facing the array substrate, and a liquid crystal layer between the array substrate and the counter substrate. the display region includes a plurality of scanning signal lines extending in a first direction and arranged in a second direction intersecting the first direction, and a plurality of data signal lines extending in the second direction and arranged in the first direction. the peripheral region includes a first wiring pattern arranged with a plurality of first wirings connecting a scanning signal line driver circuit and the plurality of scanning signal lines, and a second wiring pattern arranged with a plurality of second wirings being supplied with a certain electric potential.

20240427207. DISPLAY APPARATUS AND COUNTER SUBSTRATE_simplified_abstract_(japan display inc.)

Inventor(s): Jin HIROSAWA of Tokyo (JP) for japan display inc.

IPC Code(s): G02F1/1368, G02F1/1362

CPC Code(s): G02F1/1368

Abstract: performance of a display apparatus is improved. a display apparatus includes: an array substrate including a switching element; and a counter substrate facing the array substrate. in this case, the counter substrate includes: a substrate having a light transmitting property; and an overcoat film being in contact with the substrate, and the overcoat film is made of a plurality of types of films having different refractive indexes.

20240428383. DETECTION DEVICE AND DETECTION SYSTEM_simplified_abstract_(japan display inc.)

Inventor(s): Tomoyuki ISHIHARA of Tokyo (JP) for japan display inc., Yoshihiro AKAHIRA of Tokyo (JP) for japan display inc.

IPC Code(s): G06T5/73, G06V10/147, G06V20/69

CPC Code(s): G06T5/73

Abstract: according to an aspect, a detection device includes: a light source; an optical sensor comprising a plurality of photodiodes configured to output pixel data corresponding to amounts of light received by the photodiodes; a light-transmitting placement substrate that is configured to be placed between the light source and the optical sensor and includes a portion configured to have an object to be detected placed thereon; a storage circuit configured to store point spread function (psf) data corresponding to a luminance gradient based on a positional relation between the light source and the object to be detected; and a control circuit configured to generate a restored image by performing a deconvolution process using the psf data on an image obtained by imaging the object to be detected using the optical sensor based on light from the light source.

20240428749. DISPLAY DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Hirofumi OHIRA of Tokyo (JP) for japan display inc., Koji YOSHIDA of Tokyo (JP) for japan display inc.

IPC Code(s): G09G3/36

CPC Code(s): G09G3/367

Abstract: according to an aspect, a display device includes: a display panel having a display region configured to output an image; a light source configured to emit light toward one surface side of the display panel; a liquid crystal panel interposed between the display panel and the light source and provided to be able to change a transmission degree of light between the display panel and the light source; a temperature detector configured to detect temperature of at least one of the display panel and the liquid crystal panel; and a controller configured to adjust color to be reproduced by the display panel in accordance with the temperature detected by the temperature detector.

20240429320. ARRAY SUBSTRATE_simplified_abstract_(japan display inc.)

Inventor(s): Tatsuya TODA of Tokyo (JP) for japan display inc., Masashi TSUBUKU of Tokyo (JP) for japan display inc., Toshinari SASAKI of Tokyo (JP) for japan display inc.

IPC Code(s): H01L29/786, G01N23/20091, H01L27/12

CPC Code(s): H01L29/7869

Abstract: a semiconductor device includes an oxide semiconductor layer including indium, a gate electrode facing the oxide semiconductor layer, a gate insulating layer between the oxide semiconductor layer and the gate electrode, and a first electrode arranged above the oxide semiconductor layer and being in contact with the oxide semiconductor layer from above the oxide semiconductor layer. the indium is unevenly distributed in an unevenly distributed region among the oxide semiconductor layer. the unevenly distributed region overlaps with the first conductive layer in a planar view.

20240429321. SEMICONDUCTOR DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Masashi TSUBUKU of Tokyo (JP) for japan display inc., Michiaki SAKAMOTO of Tokyo (JP) for japan display inc., Takashi OKADA of Tokyo (JP) for japan display inc., Toshiki KANEKO of Tokyo (JP) for japan display inc., Tatsuya TODA of Tokyo (JP) for japan display inc.

IPC Code(s): H01L29/786, H01L29/417

CPC Code(s): H01L29/7869

Abstract: a semiconductor device includes a gate electrode on a substrate, a gate insulating film on the gate electrode, an oxide semiconductor film via the gate insulating film on the gate electrode, a source electrode and a drain electrode on the oxide semiconductor film, a protective film provided on the source electrode and the drain electrode; and a conductive layer provided on the protective film and overlapped on the oxide semiconductor layer. the protective film includes a first silicon oxide film and a first silicon nitride film. the first oxide film is in contact with the oxide semiconductor layer. the gate insulating film includes a second silicon nitride film and a second silicon oxide film. the second silicon oxide film is in contact with the oxide semiconductor layer. the oxide semiconductor layer has a first region located between the source electrode and the drain electrode in a plan view.

20240430583. DETECTION DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Tomoyuki ISHIHARA of Tokyo (JP) for japan display inc.

IPC Code(s): H04N23/84, G06V20/69, H04N23/56, H04N23/74, H04N23/76

CPC Code(s): H04N23/84

Abstract: a detection device includes a light source, and an optical sensor comprising a plurality of photodiodes configured to output pixel data corresponding to a light intensity irradiating the photodiodes. the optical sensor is configured to capture a first image containing a plurality of pieces of first pixel data and a second image that contains a plurality of pieces of second pixel data and is more sensitive than the first image, the second pixel data having a gradation equal to or smaller than a predetermined threshold is selected in the second image, the first pixel data in an area corresponding to a deselected second pixel data is selected in the first image, and a composite image is generated based on the selected second pixel data and the selected first pixel data.

20240431127. LIGHT DETECTION DEVICE AND MANUFACTURING METHOD THEREOF_simplified_abstract_(japan display inc.)

Inventor(s): Motochika YUKAWA of Tokyo (JP) for japan display inc., Yasushi TOMIOKA of Tokyo (JP) for japan display inc.

IPC Code(s): H10K39/32, H10K30/82, H10K30/88, H10K71/20, H10K71/60, H10K102/10

CPC Code(s): H10K39/32

Abstract: a light detection device includes a lower structure that is provided in a detection area and in a frame area surrounding the detection area, a plurality of pixel electrodes that are provided in array on the lower structure in the detection area, an organic photoelectric conversion layer that is provided on the plurality of pixel electrodes and continuously formed on the detection area and a part of the frame area, an upper electrode that is provided on the organic photoelectric conversion layer, and a transparent conductive protective layer that is provided on the lower structure in at least a part of the frame area and at least partially disposed under a part of a peripheral edge portion of the organic photoelectric conversion layer formed in the frame area.

20240431137. DISPLAY DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Masamitsu FURUIE of Minato-ku (JP) for japan display inc.

IPC Code(s): H10K50/844, H10K50/11, H10K50/805, H10K50/81, H10K50/82, H10K50/84, H10K50/842, H10K59/124, H10K59/131, H10K71/00, H10K102/00

CPC Code(s): H10K50/844

Abstract: a display device, which includes a display region in which a plurality of pixels are arranged, includes a first organic insulating film, a first groove, which exists in a frame shape surrounding the display region to separate the first organic insulating film, a first inorganic partition portion, which is arranged in the first groove, and is made of an inorganic insulating material that exists in a frame shape surrounding the display region, a second organic insulating film formed above the first organic insulating film and the first inorganic partition portion, and a second groove, which exists in a frame shape surrounding the display region to separate the second organic insulating film, and is located inside the first groove in plan view.

20240431149. DISPLAY DEVICE_simplified_abstract_(japan display inc.)

Inventor(s): Hideyuki TAKAHASHI of Tokyo (JP) for japan display inc.

IPC Code(s): H10K59/122

CPC Code(s): H10K59/122

Abstract: according to one embodiment, a display device includes first and second areas including subpixels, and a partition including a conductive lower portion and an upper portion. each of the subpixels includes a lower electrode, an organic layer which covers the lower electrode and emits light based on application of voltage, and an upper electrode which covers the organic layer and is in contact with the lower portion of the partition. the second area has a plurality of transmissive areas which are surrounded by the partition and do not overlap the lower electrode. a resolution of the second area is lower than a resolution of the first area.

Japan Display Inc. patent applications on December 26th, 2024