公开(公告)号：US10545597B2

公开(公告)日：2020-01-28

申请号：US16145505

申请日：2018-09-28

Applicant: Japan Display Inc.

Inventor： Hiroyuki Abe ,  Kazune Matsumura ,  Naoki Miyanaga

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/36 ,  H04B5/00 ,  G09G3/3225

Abstract: A display device having a Near Field Communication (NFC) function and a display panel installed with the touch panel function comprising: the common voltage is applied to all the display electrodes (Tx1 through Txn) during a display operation; the voltage for the touch panel is successively applied to the display electrodes during the touch panel operation; a first circuit, which changes between the display operation and the touch panel operation, is formed at a first side of the display area, a second circuit, which changes between the image display operation and the touch panel operation, is formed at a second side of the display area; the first circuit supplies the voltage for the touch panel to a selected display electrode and supplies the common electrode to other electrodes; the second switch circuit does not supply voltage to the selected display electrode and supplies the common voltage to other electrodes.

公开(公告)号：US10373543B2

公开(公告)日：2019-08-06

申请号：US15884423

申请日：2018-01-31

Applicant: Japan Display Inc.

Inventor： Naoki Miyanaga ,  Koji Yamamoto

IPC: G09G3/20 ,  G09G3/36 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368

Abstract: According to one embodiment, an RGB image signal is output from a driver, first ends of a first open-close signal line and a second open-close signal line are each connected to the driver and second ends of the first open-close signal line and the second open-close signal line are free. Power is supplied to a signal selection circuit, which selects a signal line and outputs a polarity inverted image signal, via the first open-close signal line and the second open-close signal line.

公开(公告)号：US20190012974A1

公开(公告)日：2019-01-10

申请号：US16026320

申请日：2018-07-03

Applicant: Japan Display Inc.

Inventor： Naoki Miyanaga

IPC: G09G3/36 ,  G02F1/133

Abstract: To improve surge tolerance of a shift register constituting a gate signal line driving circuit formed on a substrate of a flat panel display. A gate signal line driving circuit includes a shift register composed of a plurality of cascaded unit register circuits, and sequentially outputs gate signals to a plurality of gate signal lines. Of the unit register circuits, two register circuits positioned on the leading end side for the shift operation of the shift register receive a start signal in parallel to operate. The two register circuits respectively output signals to mutually different destinations such that an output signal from one of the two register circuits is inputted via a gate signal generation circuit to a gate signal line, while an output signal from the other register circuit is inputted into its downstream unit register circuit.

公开(公告)号：US10134906B2

公开(公告)日：2018-11-20

申请号：US15808266

申请日：2017-11-09

Applicant: JAPAN DISPLAY INC.

Inventor： Naoki Miyanaga ,  Tetsuya Iizuka ,  Masanori Ando

IPC: H01L27/14 ,  H01L29/786 ,  H01L27/12 ,  G02F1/1362

Abstract: According to one embodiment, a display device includes a first light shielding layer, a second light shielding layer, a first semiconductor layer, a second semiconductor layer, a gate line, a first source line, a second source line, a switching element, and a pixel electrode, wherein an area in which the first light shielding layer and the pixel electrode are opposed to each other and an area in which the second light shielding layer and the pixel electrode are opposed to each other are equal in size.

公开(公告)号：US12027531B2

公开(公告)日：2024-07-02

申请号：US17501014

申请日：2021-10-14

Applicant: Japan Display Inc.

Inventor： Daichi Hosokawa ,  Naoki Miyanaga ,  Masakatsu Kitani

IPC: H01L27/12 ,  G02F1/1362 ,  G09G3/36 ,  H10K59/131

CPC classification number: H01L27/124 ,  G02F1/136286 ,  G09G3/3674 ,  G09G3/3677 ,  G02F2201/56 ,  G09G2300/0426 ,  G09G2310/0232 ,  G09G2320/0233 ,  H10K59/131

Abstract: A display device may include a substrate; a plurality of signal lines on the substrate; a plurality of scan lines on the substrate, the scan lines crossing the signal lines; and a plurality of thin film transistors at crossing positions of the scan lines and the signal lines. The scan lines include some first scan lines and some second scan lines. Each of the second scan lines has an end connected to a load element.

公开(公告)号：US11581394B2

公开(公告)日：2023-02-14

申请号：US17698279

申请日：2022-03-18

Applicant: Japan Display Inc.

Inventor： Naoki Miyanaga

IPC: H01L27/32 ,  G02F1/1345 ,  G02F1/1362 ,  G02F1/1333 ,  G02F1/1343

Abstract: A display device having a display region and a peripheral region in contact with the display region above a substrate is provided. The display region has a plurality of pixels each including a transistor, an insulating film above the transistor, a pixel electrode arranged above the insulating film and electrically connected to the transistor, and a common electrode above the insulating film, a video signal line and a gate signal line electrically connected to the transistor, and liquid crystal layer above the plurality of pixels. The peripheral region has a terminal electrically connected to the video signal line, a wiring arranged parallel to the gate wiring between the display region and the terminal, and a plurality of first electrodes above the wiring. The insulating film covers the wiring, and the wiring is electrically connected to the plurality of first electrodes via an opening in the insulating film.

公开(公告)号：US11171162B2

公开(公告)日：2021-11-09

申请号：US16839121

申请日：2020-04-03

Applicant: Japan Display Inc.

Inventor： Daichi Hosokawa ,  Naoki Miyanaga ,  Masakatsu Kitani

IPC: H01L27/12 ,  G02F1/1362 ,  G09G3/36 ,  H01L27/32

Abstract: A display device may include a substrate; a plurality of signal lines on the substrate; a plurality of scan lines on the substrate, the scan lines crossing the signal lines; and a plurality of thin film transistors at crossing positions of the scan lines and the signal lines. The scan lines include some first scan lines and some second scan lines. Each of the second scan lines has an end connected to a load element.

公开(公告)号：US10651207B2

公开(公告)日：2020-05-12

申请号：US16132908

申请日：2018-09-17

Applicant: Japan Display Inc.

Inventor： Daichi Hosokawa ,  Naoki Miyanaga ,  Masakatsu Kitani

IPC: H01L27/12 ,  G02F1/1362 ,  G09G3/36 ,  H01L27/32

Abstract: A display device may include a substrate; a plurality of signal lines on the substrate; a plurality of scan lines on the substrate, the scan lines crossing the signal lines; and a plurality of thin film transistors at crossing positions of the scan lines and the signal lines. The scan lines include some first scan lines and some second scan lines. Each of the second scan lines has an end connected to a load element.

公开(公告)号：US10249701B2

公开(公告)日：2019-04-02

申请号：US16125845

申请日：2018-09-10

Applicant: Japan Display Inc.

Inventor： Naoki Miyanaga

IPC: H01L27/32 ,  G02F1/1343 ,  G02F1/1333

Abstract: A display device having a display region and a peripheral region in contact with the display region above a substrate is provided. The display region has a plurality of pixels each including a transistor, an insulating film above the transistor, a pixel electrode arranged above the insulating film and electrically connected to the transistor, and a common electrode above the insulating film, a video signal line and a gate signal line electrically connected to the transistor, and liquid crystal layer above the plurality of pixels. The peripheral region has a terminal electrically connected to the video signal line, a wiring arranged parallel to the gate wiring between the display region and the terminal, and a plurality of first electrodes above the wiring. The insulating film covers the wiring, and the wiring is electrically connected to the plurality of first electrodes via an opening in the insulating film.

公开(公告)号：US09847426B2

公开(公告)日：2017-12-19

申请号：US15359244

申请日：2016-11-22

Applicant: JAPAN DISPLAY INC.

Inventor： Naoki Miyanaga ,  Tetsuya Iizuka ,  Masanori Ando

IPC: H01L27/14 ,  H01L29/786 ,  H01L27/12 ,  G02F1/1362

CPC classification number: H01L29/78633 ,  G02F1/136209 ,  G02F1/136213 ,  G02F1/136286 ,  H01L27/1222 ,  H01L27/124

Abstract: According to one embodiment, a display device includes a first light shielding layer, a second light shielding layer, a first semiconductor layer, a second semiconductor layer, a gate line, a first source line, a second source line, a switching element, and a pixel electrode, wherein an area in which the first light shielding layer and the pixel electrode are opposed to each other and an area in which the second light shielding layer and the pixel electrode are opposed to each other are equal in size.