公开(公告)号：US11749224B2

公开(公告)日：2023-09-05

申请号：US17655074

申请日：2022-03-16

Applicant: Japan Display Inc.

Inventor： Hirondo Nakatogawa

IPC: G09G3/36 ,  G02F1/1368 ,  G02F1/1362

CPC classification number: G09G3/3677 ,  G02F1/1368 ,  G02F1/136286 ,  G09G2310/0289

Abstract: According to one embodiment, a level shift circuit includes a first input terminal, a second input terminal, an output terminal, a first level shift unit, a first inverter, a second level shift unit, a second inverter, and first to fourth switching elements. The first level shift unit outputs a first output voltage and a reference voltage. The second level shift unit outputs the reference voltage and a second output voltage.

公开(公告)号：US11749220B2

公开(公告)日：2023-09-05

申请号：US18145224

申请日：2022-12-22

Applicant: Japan Display Inc.

Inventor： Takehiro Shima

IPC: G09G3/20 ,  G09G3/36 ,  G02F1/1345 ,  G02F1/1362 ,  G11C11/41

CPC classification number: G09G3/3611 ,  G02F1/1362 ,  G02F1/13454 ,  G09G3/20 ,  G09G3/3648 ,  G02F2201/56 ,  G09G2300/04 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/0857 ,  G09G2310/0278 ,  G09G2310/0291 ,  G09G2310/08 ,  G11C11/41

Abstract: According to one embodiment, a display device includes a pair of substrates including a display area in which pixels are arranged, pixel electrodes and memories provided in the pixels, signal lines supplied with digital signals, switching elements connecting the memories and the signal lines, scanning lines supplied with scanning signals, a first driver unit, and a second driver unit. The first driver unit is provided in a peripheral area around the display area, and supplies the digital signal to the signal line. The second driver unit is provided in the peripheral area, and supplies the scanning signal to the scanning line. In the display device, at least a part of the first driver unit is provided between the display area and the second driver unit.

公开(公告)号：US11747683B2

公开(公告)日：2023-09-05

申请号：US17584637

申请日：2022-01-26

Applicant: Japan Display Inc.

Inventor： Hayato Kurasawa ,  Hiroshi Mizuhashi

IPC: G02F1/1343 ,  G02F1/1333 ,  G06F3/041 ,  G06F3/044

CPC classification number: G02F1/134309 ,  G02F1/1343 ,  G02F1/13338 ,  G06F3/044 ,  G06F3/0412 ,  G06F3/0445 ,  G06F3/0446 ,  G06F3/04164 ,  G06F3/04166 ,  G06F2203/04112

Abstract: A display device includes a first substrate, a second substrate, a display functional layer, first electrodes, pixel electrodes, second electrodes, a drive circuit, and a conductive body. The second substrate faces the first substrate. The display functional layer is provided between the first substrate and the second substrate. The first electrodes are provided between the first substrate and the second substrate. The pixel electrodes face the first electrodes between the first substrate and the second substrate. The second electrodes overlap the first electrodes through the display functional layer. The drive circuit supplies drive signals to a pair of the first electrode, wherein the drive circuit supplies a first electric potential to one of the pair of first electrodes and supplies a drive signal having a second electric potential different from the first electric potential to the other of the pair of first electrodes simultaneously.

公开(公告)号：US11747549B2

公开(公告)日：2023-09-05

申请号：US17730260

申请日：2022-04-27

Applicant: Japan Display Inc.

Inventor： Kazunari Nishita ,  Ken Sugiyama ,  Tetsuro Ochi ,  Toshiyuki Tsubota

IPC: G02F1/1335 ,  F21V8/00 ,  G02F1/1333

CPC classification number: G02B6/0088 ,  G02F1/133308 ,  G02F1/133512 ,  G02F1/133528 ,  G02F1/133314 ,  G02F2202/28 ,  G02F2203/01

Abstract: According to one embodiment, an illumination device includes a light source disposed along a first direction, a light guide plate including a first end and a second end, the second end being positioned to be opposite to the first end in a second direction which crosses the first direction, a frame disposed along the second end and including an inner surface and an upper surface, and an adhesion member disposed on at least the upper surface of the frame, wherein the light source is disposed at the first end along the first direction, at least the inner surface of the frame is a light absorbing surface, and the adhesion member is light transmissive.

公开(公告)号：US20230274711A1

公开(公告)日：2023-08-31

申请号：US18173082

申请日：2023-02-23

Applicant: Japan Display Inc.

Inventor： Kentaro OKUYAMA ,  Kazuhiko SAKO ,  Tsutomu HARADA ,  Takayuki NAKANISHI ,  Kazunari TOMIZAWA

IPC: G09G3/34 ,  H04N23/60 ,  G09G3/36 ,  G02F1/1337 ,  G02F1/1334

CPC classification number: G09G3/3413 ,  H04N23/60 ,  G09G3/36 ,  G02F1/133738 ,  G02F1/13347 ,  G09G2320/064

Abstract: According to one embodiment, an electronic device includes a display panel configured to display an image and including a display region that transmits external light, a light source unit, a camera opposed to the display region of the display panel, and a control unit. The control unit is configured to in a light emission period, permit irradiation of light by the light source unit, irradiate the display region with light, display the image in the display region, and prohibit capturing by the camera. The control unit is configured to in a capturing period, prohibit the irradiation of the light by the light source unit, set the display region to be transparent, permit the capturing by the camera, and take in the external light transmitted through the display region to the camera.

公开(公告)号：US20230273696A1

公开(公告)日：2023-08-31

申请号：US18143646

申请日：2023-05-05

Applicant: Japan Display Inc. ,  Panasonic Liquid Crystal Display Co., Ltd.

Inventor： Kouichi ANNO

IPC: G06F3/041 ,  G06F3/045 ,  G06F3/044 ,  G09G3/36

CPC classification number: G06F3/04164 ,  G06F3/045 ,  G06F3/0443 ,  G06F3/0446 ,  G06F3/0412 ,  G09G3/36 ,  G06F2203/04111 ,  G06F2203/04103 ,  G06F2203/04112

Abstract: A display device with a touch panel includes a display panel, and a touch panel formed above the display panel. The touch panel includes X electrodes which extend in a first direction, and Y electrodes which extend in a second direction different from the first direction. The X electrodes and the Y electrodes respectively include intersection portions each formed where the X electrodes and the Y electrodes overlap each other, and electrode portions each formed between the intersection portions, wherein the electrode portions of one of the X electrodes is smaller in area than the electrode portions of one of the Y electrodes, and wherein floating electrodes are formed close to the electrode portion of the one of the X electrodes or Y electrodes, and over a reduced portion of the X electrode.

公开(公告)号：US20230273489A1

公开(公告)日：2023-08-31

申请号：US18311300

申请日：2023-05-03

Applicant: Japan Display Inc.

Inventor： Daisuke ITO ,  Hideyuki OMORI

IPC: G02F1/1362 ,  G02F1/1337 ,  G02F1/1343

CPC classification number: G02F1/136286 ,  G02F1/133784 ,  G02F1/133707 ,  G02F1/134363 ,  G02F2201/52 ,  G02F1/134372

Abstract: A liquid crystal display device includes: a plurality of scan lines and signal lines on one of a pair of substrates arranged to be opposed to each other with a liquid crystal layer sandwiched therebetween, the scan lines and signal lines extending in different directions; and an orientation film, pixel electrode, insulating layer and common electrode, the orientation film being rubbed in a rubbing direction having a given inclination with respect to a pixel arrangement direction. The pixel electrode is partitioned by the scan lines and signal lines and has subpixels made up of first and second regions. The first region has a plurality of slit-shaped openings having a given inclination in a first direction with respect to the rubbing direction. The second region has a plurality of slit-shaped openings having a given inclination in a second direction with respect to the rubbing direction.

公开(公告)号：US20230273482A1

公开(公告)日：2023-08-31

申请号：US18313589

申请日：2023-05-08

Applicant: Japan Display Inc.

Inventor： Keisuke TAKANO

IPC: G02F1/1337 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1368

CPC classification number: G02F1/1337 ,  G02F1/133345 ,  G02F1/133512 ,  G02F1/1339 ,  G02F1/134309 ,  G02F1/1368 ,  G02F1/133742 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/40 ,  G02F2202/10

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first alignment film covering a pixel electrode, a second substrate including a second alignment film covering a second common electrode, a sealant attaching the first substrate and the second substrate, and a liquid crystal layer held between the first alignment film and the second alignment film, wherein the first alignment film and the second alignment film are formed of a material in which a principal chain is composed of silica (SiO2), and extend at a position overlapping the sealant between an inner face and an outer face of the sealant.

公开(公告)号：US20230273478A1

公开(公告)日：2023-08-31

申请号：US18173074

申请日：2023-02-23

Applicant: Japan Display Inc.

Inventor： Shimon ITAKURA

IPC: G02F1/1335

CPC classification number: G02F1/133601 ,  G02F1/133531

Abstract: According to one embodiment, a display device includes a liquid crystal display panel including a first polarizer, a second polarizer, and a first effective area in which a plurality of first pixels are provided, a dimming panel, and an adhesive layer provided between the liquid crystal display panel and the dimming panel, wherein the adhesive layer is in contact with the first polarizer, the adhesive layer overlaps the first effective area, entirely, and a length of the adhesive layer along the first direction is less than a length of the first polarizer along the first direction.

公开(公告)号：US11744111B2

公开(公告)日：2023-08-29

申请号：US17839864

申请日：2022-06-14

Applicant: Japan Display Inc.

Inventor： Satoshi Maruyama

IPC: H01L27/00 ,  H10K59/121 ,  H01L27/12 ,  H10K59/131 ,  H01L27/06 ,  H10K59/12 ,  H01L29/66 ,  H01L29/786

CPC classification number: H10K59/1213 ,  H01L27/1225 ,  H01L27/1251 ,  H01L27/1255 ,  H01L27/1259 ,  H10K59/1216 ,  H10K59/131 ,  H01L27/0688 ,  H01L27/124 ,  H01L27/1222 ,  H01L27/1262 ,  H01L29/66757 ,  H01L29/66969 ,  H01L29/7869 ,  H01L29/78675 ,  H10K59/1201

Abstract: A plurality of thin film transistors provided in a peripheral region are first staggered thin film transistors where a first channel layer configured of low-temperature polysilicon is included, and the first channel layer is not interposed between a first source electrode and a first gate electrode, and between a first drain electrode and the first gate electrode. A plurality of thin film transistors provided in a display region are second staggered thin film transistors where a second channel layer configured of an oxide semiconductor is included, and the second channel layer is not interposed between a second source electrode and a second gate electrode, and between a second drain electrode and the second gate electrode. The first thin film transistor is located below the second thin film transistor.