公开(公告)号：US10861403B2

公开(公告)日：2020-12-08

申请号：US16656008

申请日：2019-10-17

Applicant: Japan Display Inc.

Inventor： Takehiro Shima

IPC: G09G3/20 ,  G09G3/36 ,  G02F1/1345 ,  G02F1/1362 ,  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：US10719164B2

公开(公告)日：2020-07-21

申请号：US15459845

申请日：2017-03-15

Applicant: Japan Display Inc.

Inventor： Takeya Takeuchi ,  Hiroshi Mizuhashi ,  Tadayoshi Katsuta ,  Takehiro Shima

IPC: G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1362 ,  G02F1/1368

Abstract: Disclosed herein is a display device with a touch sensor, including: a plurality of display pixel electrodes; a common electrode configured to be provided opposed to the display pixel electrodes; a display function layer configured to have an image display function; a display control circuit configured to apply a display voltage between the display pixel electrodes and the common electrode based on an image signal and carry out image display control so that the display function of the display function layer be exerted; and a touch detection electrode configured to be provided opposed to the common electrode and form capacitance between the touch detection electrode and the common electrode.

公开(公告)号：US09940885B2

公开(公告)日：2018-04-10

申请号：US15333899

申请日：2016-10-25

Applicant: Japan Display Inc.

Inventor： Takehiro Shima ,  Takayuki Nakao

IPC: G09G3/36 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/1362 ,  G02F1/1368

CPC classification number: G09G3/3614 ,  G02F1/133512 ,  G02F1/133553 ,  G02F1/134309 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/134345 ,  G02F2201/121 ,  G02F2201/123 ,  G09G3/3611 ,  G09G3/3677 ,  G09G3/3688 ,  G09G3/3696 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/0857 ,  G09G2310/08 ,  G09G2320/0271

Abstract: According to one embodiment, a display device includes a pixel electrode and a memory in each of pixels, a common electrode, a first drive circuit which supplies a digital signal, a second drive circuit which supplies an AC common signal to the common electrode, a storage control circuit which stores the digital signal in the memory in a storage period, and a select control circuit which selectively supplies, in a display period, to the pixel electrode, one of a display signal and a non-display signal. A frequency of the common signal in the storage period is a first frequency. The frequency of the common signal in the display period is a second frequency. The first frequency is higher than the second frequency.

公开(公告)号：US20160054855A1

公开(公告)日：2016-02-25

申请号：US14931211

申请日：2015-11-03

Applicant: Japan Display Inc.

Inventor： Takeya Takeuchi ,  Hiroshi Mizuhashi ,  Tadayoshi Katsuta ,  Takehiro Shima

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/044 ,  G02F1/13338 ,  G06F3/041 ,  G06F3/0412 ,  G06F3/0416 ,  G06F2203/04104 ,  G06F2203/04108 ,  G09G3/3614 ,  G09G3/3648 ,  G09G2300/0809 ,  G09G2310/0291

Abstract: A display device with a touch sensor includes: plural display pixel electrodes; a common electrode arranged opposite to the display pixel electrodes; a display function layer having an image display function; a display control circuit performing image display control so as to fulfill the display function of the display function layer by applying a voltage for display between the display pixel electrodes and the common electrode based on an image signal; and a touch detection electrode provided opposite to the common electrode and forming capacitance between the touch detection electrode and the common electrode, wherein a drive voltage for display applied to the common electrode by the display control circuit is used as a drive signal for the touch sensor, and a gate potential of TFT circuits included in the display pixel electrodes is increased during a period when the drive signal for the touch sensor is applied.

公开(公告)号：US11562706B2

公开(公告)日：2023-01-24

申请号：US17526506

申请日：2021-11-15

Applicant: Japan Display Inc.

Inventor： Takehiro Shima

IPC: G09G3/20 ,  G09G3/36 ,  G02F1/1345 ,  G02F1/1362 ,  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：US11430403B2

公开(公告)日：2022-08-30

申请号：US17243085

申请日：2021-04-28

Applicant: Japan Display Inc.

Inventor： Takayuki Nakao ,  Takehiro Shima

IPC: G09G3/36 ,  G09G3/3233

Abstract: A display device is provided and includes first and second pixel electrodes in first direction; first and second signal lines in first direction configured to be supplied with first or second binary signals inverted relative to each other; first potential line in second direction crossing first direction configured to be supplied with first potential; second potential line extending in second direction and configured to be supplied with second potential; first switching circuit configured to couple first pixel electrode to first or second potential lines; and second switching circuit configured to couple second pixel electrode to first or second potential lines.

公开(公告)号：US11205395B2

公开(公告)日：2021-12-21

申请号：US17080274

申请日：2020-10-26

Applicant: Japan Display Inc.

Inventor： Takehiro Shima

IPC: G09G3/20 ,  G09G3/36 ,  G02F1/1345 ,  G02F1/1362 ,  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：US10923055B2

公开(公告)日：2021-02-16

申请号：US16538455

申请日：2019-08-12

Applicant: Japan Display Inc.

Inventor： Takehiro Shima ,  Takayuki Nakao

IPC: G09G3/36 ,  G02F1/1362 ,  G02F1/133 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1335 ,  G02F1/1368

Abstract: According to one embodiment, a display device includes a pixel electrode and a memory provided in each of pixels, a common electrode, a signal line to which a digital signal is supplied, a first drive line to which a display signal is supplied, a second drive line to which a non-display signal is supplied, a storage control circuit which stores the digital signal in the memory in a storage period, and a select control circuit which selectively supplies, in a display period, to the pixel electrode, one of the display signal and the non-display signal. The second drive circuit maintains potential of the common signal of the display period in the storage period when the display period transitions to the storage period.

公开(公告)号：US10762827B2

公开(公告)日：2020-09-01

申请号：US16368365

申请日：2019-03-28

Applicant: Japan Display Inc.

Inventor： Takayuki Nakao ,  Takehiro Shima

IPC: G09G3/36 ,  G09G3/20

Abstract: According to an embodiment, in a display device, pixels have memories respectively. A signal supply circuit includes a mode control circuit, and switches into a first mode or a second mode to supply digital data pieces to sub-pixels. In the first mode, the circuit receives from the outside first video data pieces corresponding to n sub-pixels, and supplies digital data pieces for the n sub-pixels to corresponding memories. In the second mode, the signal supply circuit receives from the outside second video data pieces corresponding to m sub-pixels fewer than n sub-pixels, and supplies digital data pieces for the n sub-pixels to corresponding memories based on the second video data pieces.

公开(公告)号：US20190221151A1

公开(公告)日：2019-07-18

申请号：US16368365

申请日：2019-03-28

Applicant: Japan Display Inc.

Inventor： Takayuki Nakao ,  Takehiro Shima

IPC: G09G3/20 ,  G09G3/36

Abstract: According to an embodiment, in a display device, pixels have memories respectively. A signal supply circuit includes a mode control circuit, and switches into a first mode or a second mode to supply digital data pieces to sub-pixels. In the first mode, the circuit receives from the outside first video data pieces corresponding to n sub-pixels, and supplies digital data pieces for the n sub-pixels to corresponding memories. In the second mode, the signal supply circuit receives from the outside second video data pieces corresponding to m sub-pixels fewer than n sub-pixels, and supplies digital data pieces for the n sub-pixels to corresponding memories based on the second video data pieces.