公开(公告)号：US20210173245A1

公开(公告)日：2021-06-10

申请号：US17181038

申请日：2021-02-22

Applicant: Japan Display Inc.

Inventor： Hayato Kurasawa ,  Hiroshi Mizuhashi ,  Fumitaka Gotoh ,  Gen Koide ,  Tadayoshi Katsuta

IPC: G02F1/1368 ,  G02F1/1362 ,  G02F1/1333 ,  G06F3/046

Abstract: According to an aspect, a display apparatus includes: a substrate; a plurality of pixel electrodes provided in a display area; a plurality of switching elements coupled to the respective pixel electrodes; a plurality of first electrodes provided between semiconductors of the switching elements and the substrate in a direction orthogonal to the substrate and extending in a first direction; a plurality of signal lines coupled to the switching elements and extending in a second direction intersecting the first direction; a coupling member provided in a peripheral area outside the display area and configured to couple ends of the first electrodes to each other; and a drive circuit configured to output a first drive signal to the first electrodes or the signal lines during a first sensing period in which an electromagnetic induction method is used.

公开(公告)号：US10698543B2

公开(公告)日：2020-06-30

申请号：US16169439

申请日：2018-10-24

Applicant: Japan Display Inc.

Inventor： Takayuki Nakanishi ,  Naoki Takada ,  Fumitaka Gotoh ,  Shota Hosaka

IPC: G06F3/044 ,  H03K17/96 ,  G06F3/041 ,  H03K17/955

Abstract: A proximity sensor is arranged with a first electrode input with a first signal, a second electrode input with a second signal different from the first signal, a third electrode arranged closer to the first electrode than the second electrode, and the second signal has a reverse phase of the first signal.

公开(公告)号：US10565951B2

公开(公告)日：2020-02-18

申请号：US15161933

申请日：2016-05-23

Applicant: Japan Display Inc.

Inventor： Fumitaka Gotoh ,  Isao Edatsune ,  Yutaka Ozawa ,  Tsutomu Harada

IPC: G09G3/36

Abstract: According to an aspect, a display device includes: a display area provided to a substrate; a shift register including a plurality of registers coupled in series; and a control circuit that supplies clock pulses to the registers, and that supplies a start pulse to a first register of the shift register to acquire an output from a last register of the shift register, wherein the display area is provided in an area surrounded by the shift register, the control circuit, and wiring that couples the shift register to the control circuit.

公开(公告)号：US10536641B2

公开(公告)日：2020-01-14

申请号：US15819169

申请日：2017-11-21

Applicant: Japan Display Inc.

Inventor： Fumitaka Gotoh ,  Tsutomu Harada

IPC: H04N5/228 ,  H04N5/232 ,  B60R1/00 ,  H04N7/18

Abstract: A display system includes an imaging apparatus installed on a mobile body; a display apparatus installed at a position different from that of the imaging apparatus on the mobile body and displaying a post-processing image; a first sensor detecting vibration at or near the imaging apparatus; a second sensor detecting vibration at or near the display apparatus; a first image processor clipping out a preprocessing image from an image captured by the imaging apparatus, based on the first sensor detection result; and a second image processor clipping out the post-processing image from the preprocessing image based on the second sensor detection result. The first image processor moves a clip-out region of the preprocessing image in a direction to counteract vibration at or near the imaging apparatus, and the second image processor causes a clip-out region of the post-processing image to follow vibration at or near the display apparatus.

公开(公告)号：US10345931B2

公开(公告)日：2019-07-09

申请号：US16170852

申请日：2018-10-25

Applicant: Japan Display Inc.

Inventor： Hiroshi Mizuhashi ,  Hayato Kurasawa ,  Daichi Suzuki ,  Fumitaka Gotoh

IPC: G06F3/041 ,  G06F3/046 ,  G06F3/0354

Abstract: A display apparatus with a touch detection function capable of improving accuracy is provided. The display apparatus includes: a pixel array having a plurality of pixels arranged in a matrix form; and a plurality of signal wires arranged in the pixel array. Here, when an externally-detecting object is detected, a plurality of coils having areas overlapping with each other are formed of a plurality of signal wires (drive electrodes) among the plurality of signal wires, and a magnetic field generated in the plurality of respective coils are superimposed in an overlapped area by supplying a drive signal to the plurality of coils.

公开(公告)号：US10025970B2

公开(公告)日：2018-07-17

申请号：US15285064

申请日：2016-10-04

Applicant: Japan Display Inc.

Inventor： Hiroshi Mizuhashi ,  Gen Koide ,  Hayato Kurasawa ,  Toshio Soya ,  Fumitaka Gotoh

IPC: G06K9/00 ,  G02F1/1343 ,  G02F1/1362 ,  H05K1/02 ,  G06F3/041 ,  G06F3/044 ,  G02F1/1333 ,  G02F1/1368

Abstract: According to one embodiment, a sensor includes a first control line, a first signal line, a first detection switch, a common electrode, a first detection electrode, a first circuit and a second circuit. The common electrode is located above the first control line, the first signal line and the first detection switch, opposed to the first control line, the first signal line and the first detection switch. The first detection electrode is located above the common electrode. The first circuit and the second circuit are located under the common electrode, and are opposed to the common electrode.

公开(公告)号：US09773470B2

公开(公告)日：2017-09-26

申请号：US14685791

申请日：2015-04-14

Applicant: Japan Display Inc.

Inventor： Tae Kurokawa ,  Akira Sakaigawa ,  Masaaki Kabe ,  Kojiro Ikeda ,  Fumitaka Gotoh ,  Amane Higashi ,  Toshiyuki Nagatsuma

IPC: G09G5/02 ,  G09G3/36

CPC classification number: G09G5/02 ,  G09G3/3611 ,  G09G2340/0457 ,  G09G2340/06

Abstract: A display device includes: an image display panel including a plurality of pixels each including first to fourth sub-pixels; and a signal processing unit. The signal processing unit determines an expansion coefficient related to the image display panel, obtains output signals of the first to the third sub-pixels based on at least input signals of the first to the third sub-pixels and the expansion coefficient to be output to the first to the third sub-pixels respectively, obtains a fourth sub-pixel correction value as a correction value of an output signal of the fourth sub-pixel based on the input signals of the first to the third sub-pixels and the expansion coefficient, and obtains the output signal of the fourth sub-pixel based on the input signals of the first to third sub-pixels, the expansion coefficient, and the fourth sub-pixel correction value to be output to the fourth sub-pixel.

公开(公告)号：US09691338B2

公开(公告)日：2017-06-27

申请号：US14947669

申请日：2015-11-20

Applicant: Japan Display Inc.

Inventor： Susumu Kimura ,  Fumitaka Gotoh ,  Naoyuki Takasaki ,  Tsutomu Harada

IPC: G09G3/36 ,  G09G3/34

CPC classification number: G09G3/3607 ,  G09G3/3426 ,  G09G2300/0452 ,  G09G2320/0276 ,  G09G2320/0646 ,  G09G2340/06 ,  G09G2360/16

Abstract: According to an aspect, the liquid crystal display device includes: an expansion coefficient determining unit that determines an expansion coefficient of each of partial areas based on a signal level of the first, the second, and the third colors; a luminance level determining unit that determines a luminance level of each partial area based on the signal level; a signal processing unit that uses the expansion coefficient to expand the signal level; and a light source control unit that controls brightness of a light source based on the expansion coefficient and the luminance level. The light source can change the brightness of the partial areas individually. The light source control unit controls the light source such that the brightness of the light source in a partial area having a luminance level equal to or higher than a predetermined threshold is higher than the brightness based on the expansion coefficient.

公开(公告)号：US20150364094A1

公开(公告)日：2015-12-17

申请号：US14731038

申请日：2015-06-04

Applicant: Japan Display Inc.

Inventor： Naoyuki Takasaki ,  Tsutomu Harada ,  Fumitaka Gotoh

IPC: G09G3/34 ,  G06T7/40 ,  G06T3/40 ,  G09G3/20 ,  G06T5/00

CPC classification number: G09G3/342 ,  G09G3/2096 ,  G09G3/3607 ,  G09G2300/0452 ,  G09G2320/064 ,  G09G2320/0646 ,  G09G2320/103 ,  G09G2340/06 ,  G09G2360/16

Abstract: A display device includes an image display panel section which displays an image on the basis of an image signal, a light source section which emits light to the image display panel section by dimming control according to a control signal based on the image signal, and a control section which determines on the basis of the image signal from a mode of change in light emission luminance of the light source section whether the image displayed by the image display panel section is a dynamic image or a static image and which performs switching according to a determination result between a static image control speed and a dynamic image control speed of the dimming control. The display device suppresses image quality degradation caused at the time of displaying a dynamic image or a static image.

Abstract translation: 显示装置包括基于图像信号显示图像的图像显示面板部分，根据基于图像信号的控制信号通过调光控制向图像显示面板部分发光的光源部分，以及 控制部分，其基于来自所述光源部分的发光亮度的变化模式的图像信号来确定所述图像显示面板部分显示的图像是动态图像还是静态图像，并且根据 静态图像控制速度与调光控制的动态图像控制速度之间的确定结果。 显示装置抑制在显示动态图像或静态图像时引起的图像质量劣化。

公开(公告)号：US20150109359A1

公开(公告)日：2015-04-23

申请号：US14505084

申请日：2014-10-02

Applicant: Japan Display Inc.

Inventor： Fumitaka Gotoh ,  Tsutomu Harada ,  Naoyuki Takasaki

IPC: G09G3/34 ,  G09G3/20 ,  G09G3/36

CPC classification number: G09G3/3406 ,  G09G3/3648 ,  G09G5/04 ,  G09G2300/0452 ,  G09G2320/0242 ,  G09G2320/0646 ,  G09G2320/0666 ,  G09G2330/023 ,  G09G2380/10

Abstract: A display device includes: an image display unit in an image display region, the image display unit including a plurality of main pixels each including sub-pixels; a light source portion that irradiates the image display region; a signal correction unit that calculates saturation and value of the main pixels based on first color information to be displayed on a predetermined pixel, the first color information being obtained based on an input video signal, and generates second color information by correcting the first color information based on the calculated saturation and value; a signal generation unit that calculates the saturation and the value of the main pixels based on the second color information, and generates a signal for determining light source luminance of the light source based on the calculated saturation and value; and a light source control unit that controls luminance of the light source based on the signal.

Abstract translation: 显示装置包括：图像显示区域中的图像显示单元，所述图像显示单元包括各自包括子像素的多个主像素; 照射所述图像显示区域的光源部; 信号校正单元，其基于要在预定像素上显示的第一颜色信息来计算主像素的饱和度和值，基于输入视频信号获得第一颜色信息，并且通过校正第一颜色信息来生成第二颜色信息 基于计算的饱和度和值; 信号生成单元，其基于所述第二颜色信息计算所述主像素的饱和度和所述值，并且基于所计算的饱和度和值生成用于确定所述光源的光源亮度的信号; 以及光源控制单元，其基于该信号来控制光源的亮度。