公开(公告)号：US20190064948A1

公开(公告)日：2019-02-28

申请号：US16170852

申请日：2018-10-25

Applicant: Japan Display Inc.

Inventor： Hiroshi MIZUHASHI ,  Hayato KURASAWA ,  Daichi SUZUKI ,  Fumitaka GOTOH

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

CPC classification number: G06F3/03545 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/046

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：US20170124961A1

公开(公告)日：2017-05-04

申请号：US15403626

申请日：2017-01-11

Applicant: Japan Display Inc.

Inventor： Naoyuki TAKASAKI ,  Tsutomu HARADA ,  Susumu KIMURA ,  Fumitaka GOTOH

IPC: G09G3/34 ,  G09G3/36 ,  F21V8/00

CPC classification number: G09G3/342 ,  G02B6/0068 ,  G09G3/3406 ,  G09G3/3648 ,  G09G5/026 ,  G09G2300/0452 ,  G09G2320/064 ,  G09G2320/0646 ,  G09G2320/0666 ,  G09G2330/021 ,  G09G2360/145 ,  G09G2360/16 ,  G09G2380/10

Abstract: According to an aspect, a display device includes an image display panel; a planar light source including a light guide plate and an edge-lit light source that has light sources; and a controller. The controller sets luminance determination blocks by virtually dividing the image display panel in a light-source-arrangement-direction, identifies a luminance determination block with a highest luminance in the incidence direction, among luminance determination blocks at a same position in the light-source-arrangement-direction, identifies a luminance determination block the luminance of which is to be corrected by referring to luminance information of the light sources, and controls a light quantity of each of the light sources in such a manner that luminance of the identified luminance determination block is achieved.

公开(公告)号：US20170103247A1

公开(公告)日：2017-04-13

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 ,  H05K1/02 ,  G02F1/1333 ,  G02F1/1362 ,  G02F1/1343

CPC classification number: G06K9/0002 ,  G02F1/133345 ,  G02F1/13338 ,  G02F1/134336 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/136218 ,  G02F2201/121 ,  G02F2201/123 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/044 ,  H05K1/0274 ,  H05K2201/0326 ,  H05K2201/10151

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：US20160139730A1

公开(公告)日：2016-05-19

申请号：US14883821

申请日：2015-10-15

Applicant: Japan Display Inc.

Inventor： Yoshitoshi KIDA ,  Makoto HAYASHI ,  Kohei AZUMI ,  Shinya IUCHI ,  Fumitaka GOTOH

IPC: G06F3/041 ,  G06F3/044 ,  G06F3/0354

CPC classification number: G06F3/0416 ,  G06F3/03545 ,  G06F3/0383 ,  G06F3/044

Abstract: In a display apparatus, a touch panel where driving and sensing electrodes face each other across a dielectric substance outputs a detection signal from the sensing electrode in synchronization with a driving signal applied to the driving electrode. A pointing device points to a position on a touch surface of the touch panel. A detection assisting device includes an inverting circuit for obtaining a detection driving signal corresponding to the driving signal and inverting the phase thereof to generate an inversion signal, and outputs the inversion signal to the sensing electrode via the pointing device. A control device applies the driving signal to the driving electrode, obtains the detection signal generated at the sensing electrode according to the mutual capacitance between the driving and sensing electrodes and the inversion signal, and detects the pointing device in contact with or proximity to the touch panel based on the detection signal.

Abstract translation: 在显示装置中，驱动感测电极在电介质上彼此面对的触摸面板与施加到驱动电极的驱动信号同步地从感测电极输出检测信号。 指示装置指向触摸面板的触摸表面上的位置。 检测辅助装置包括反相电路，用于获得与驱动信号相对应的检测驱动信号并使其相位反相以产生反转信号，并通过指示装置将反转信号输出到检测电极。 控制装置将驱动信号施加到驱动电极，根据驱动电极和感测电极之间的相互电容和反转信号获得在感测电极处产生的检测信号，并检测与触摸接触或接近的指示装置 基于检测信号的面板。

公开(公告)号：US20150294642A1

公开(公告)日：2015-10-15

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.

Abstract translation: 显示装置包括：包括多个像素的图像显示面板，每个像素包括第一至第四子像素; 和信号处理单元。 信号处理单元确定与图像显示面板相关的展开系数，至少基于第一至第三子像素的输入信号和要输出的展开系数获得第一至第三子像素的输出信号 基于第一至第三子像素的输入信号和扩展系数，获得第四子像素校正值作为第四子像素的输出信号的校正值 并且基于要输出到第四子像素的第一至第三子像素的输入信号，展开系数和第四子像素校正值来获得第四子像素的输出信号。