公开(公告)号：US09411478B2

公开(公告)日：2016-08-09

申请号：US14257091

申请日：2014-04-21

Applicant: Japan Display Inc.

Inventor： Miyuki Ishikawa ,  Masahiro Tada ,  Takashi Nakamura ,  Yutaka Umeda ,  Hirotaka Hayashi ,  Yoshiro Aoki ,  Takanori Tsunashima

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

CPC classification number: G06F3/044 ,  G02F1/13338 ,  G06F3/0412

Abstract: According to one embodiment, a display device includes a display panel having a counter substrate, an array substrate and a liquid crystal layer held therebetween, a counter electrode provided on the counter substrate, a pixel electrode arranged on the array substrate in a matrix, a sensor circuit arranged between rows of the plurality of pixel electrodes and configured to read out intensity of capacitive coupling between the sensor circuit and a dielectric, and a counter electrode drive circuit configured to pulsatively drive a common voltage added to the counter electrode during a period of driving the sensor circuit, wherein the sensor circuit comprises a detection electrode configured to form capacitance between the sensor circuit and the dielectric and to form capacitance between the sensor circuit and the counter electrode, and wherein the counter electrode comprises an aperture including at least a portion opposed to the detection electrode.

Abstract translation: 根据一个实施例，显示装置包括显示面板，其具有对置基板，阵列基板和夹在其间的液晶层，设置在相对基板上的对置电极，以矩阵形式布置在阵列基板上的像素电极， 传感器电路，其布置在所述多个像素电极的行之间并且被配置为读出所述传感器电路和电介质之间的电容耦合的强度;以及对电极驱动电路，被配置为在一段时间期间脉动地驱动添加到所述对电极的公共电压 驱动所述传感器电路，其中所述传感器电路包括被配置为在所述传感器电路和所述电介质之间形成电容并且在所述传感器电路和所述对电极之间形成电容的检测电极，并且其中所述对电极包括孔，所述孔包括至少一部分 与检测电极相对。

公开(公告)号：US09335856B2

公开(公告)日：2016-05-10

申请号：US14152143

申请日：2014-01-10

Applicant: Japan Display Inc.

Inventor： Keiichi Saito ,  Hideyuki Takahashi ,  Takashi Nakamura ,  Satoru Tomita ,  Masahiro Tada ,  Hirotaka Hayashi ,  Takashi Okada ,  Yoshiro Aoki ,  Takanori Tsunashima

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

CPC classification number: G06F3/0412 ,  G06F3/0416 ,  G06F3/044

Abstract: According to one embodiment, a display device includes a display pixel allocated at a matrix state in a display area, an image-reading device which detects strength of capacitive coupling by a dielectric material coming close to or making contact with the display area, and a control portion which controls each transistor of the image-reading device. The image-reading device includes a detection electrode which forms capacitance between the detection electrode and the dielectric material, a pre-charge gate line, a coupling pulse line, a readout gate line, a pre-charge line and a readout line. These lines supply a signal which drives the image-reading device. The image-reading device further includes a pre-charge transistor, an amplification transistor, a readout transistor, a compensation transistor, and a power-source switching transistor.

Abstract translation: 根据一个实施例，显示装置包括在显示区域中以矩阵状态分配的显示像素，图像读取装置，其通过接近或与显示区域接触的电介质材料来检测电容耦合的强度，以及 控制部分，其控制图像读取装置的每个晶体管。 图像读取装置包括在检测电极和电介质材料之间形成电容的检测电极，预充电栅极线，耦合脉冲线，读出栅极线，预充电线和读出线。 这些线路提供驱动图像读取装置的信号。 图像读取装置还包括预充电晶体管，放大晶体管，读出晶体管，补偿晶体管和电源开关晶体管。

公开(公告)号：US12164188B2

公开(公告)日：2024-12-10

申请号：US17873310

申请日：2022-07-26

Applicant: Japan Display Inc.

Inventor： Yoshiro Aoki ,  Akio Takimoto ,  Nobuyuki Suzuki ,  Yoshiomi Yoshii ,  Hirondo Nakatogawa

IPC: G02F1/1335 ,  F21V8/00 ,  G02F1/1343 ,  H04M1/02 ,  H04N23/57

Abstract: According to one embodiment, an electronic device includes a liquid crystal panel and a camera. The liquid crystal panel includes a display area, an incident light control area, and an emitted light control area. The camera includes a light-entering surface and a light source. The liquid crystal panel is configured to selectively transmit visible light emitted from the light source in the emitted light control area and to selectively transmit visible light from outside in order to cause visible light to enter the camera from the outside in the incident light control area.

公开(公告)号：US11934071B2

公开(公告)日：2024-03-19

申请号：US18229429

申请日：2023-08-02

Applicant: JAPAN DISPLAY INC.

Inventor： Kazuhide Mochizuki ,  Yoshiro Aoki

IPC: G02F1/1343

CPC classification number: G02F1/134327 ,  G02F2201/122

Abstract: According to one embodiment, an electronic device includes a display panel and an image sensor element, the display panel includes a first area that does not overlap the image sensor element and a second area that overlaps the image sensor element, the display panel includes a first electrode, a second electrode that overlaps the first electrode, and a liquid crystal layer, the second electrode includes a plurality of first slits provided in the first area and a plurality of second slits provided in the second area, the second electrode includes a plurality of first slits provided in the first area and a plurality of second slits provided in the second area, the plurality of second slits are arranged based on a Fibonacci sequence.

公开(公告)号：US11703722B2

公开(公告)日：2023-07-18

申请号：US17993120

申请日：2022-11-23

Applicant: Japan Display Inc.

Inventor： Yoshiro Aoki ,  Hiroyuki Kimura

IPC: G02F1/1343 ,  F21V8/00 ,  G02F1/1368 ,  G02F1/1362 ,  G02F1/1335 ,  G02F1/1333

CPC classification number: G02F1/134309 ,  G02B6/0055 ,  G02F1/1368 ,  G02F1/133345 ,  G02F1/133512 ,  G02F1/133528 ,  G02F1/136286

Abstract: According to one embodiment, an electronic device includes a first camera, a first polarizer, a second polarizer, and a liquid crystal panel disposed between the first polarizer and the second polarizer. The liquid crystal panel includes a first scanning line, a first signal line intersecting the first scanning line, a first switching element electrically connected to the first scanning line and the first signal line, and a first control electrode electrically connected to the first switching element. The first control electrode overlaps the first camera, and is disposed in an annular first region.

公开(公告)号：US11538890B2

公开(公告)日：2022-12-27

申请号：US17017981

申请日：2020-09-11

Applicant: Japan Display Inc.

Inventor： Kazuhide Mochizuki ,  Yoshiro Aoki

IPC: H01L27/32 ,  H01L51/00

Abstract: According to one embodiment, a display device includes an insulating substrate and lines. The lines include first lines each including a first linear portion and a second linear portion. The first linear portions extend in a first direction and are arranged at intervals in a second direction. The second linear portions extend in a third direction and are arranged at intervals in a fourth direction. A length of each of the first linear portions changes gradually in the second direction. A length of each of the second linear portions changes gradually in the fourth direction.

公开(公告)号：US20220252947A1

公开(公告)日：2022-08-11

申请号：US17734302

申请日：2022-05-02

Applicant: Japan Display Inc.

Inventor： Yoshiro Aoki ,  Hiroyuki Kimura

IPC: G02F1/1343 ,  F21V8/00 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1362 ,  G02F1/1368

Abstract: According to one embodiment, an electronic device includes a first camera, a first polarizer, a second polarizer, and a liquid crystal panel disposed between the first polarizer and the second polarizer. The liquid crystal panel includes a first scanning line, a first signal line intersecting the first scanning line, a first switching element electrically connected to the first scanning line and the first signal line, and a first control electrode electrically connected to the first switching element. The first control electrode overlaps the first camera, and is disposed in an annular first region.

公开(公告)号：US11099413B2

公开(公告)日：2021-08-24

申请号：US15981268

申请日：2018-05-16

Applicant: Japan Display Inc.

Inventor： Yoshiro Aoki ,  Toshiya Yamazaki ,  Kazunori Yamaguchi ,  Toshihiro Yanagi ,  Yoshitoshi Kida ,  Kazuhiro Nishiyama ,  Shinichiro Oka ,  Hiroyuki Kimura ,  Takashi Nakamura

IPC: G02F1/1333 ,  G02F1/1345 ,  G02F1/1362 ,  H01L51/00 ,  H01L27/32 ,  G02F1/1343 ,  G02F1/1339 ,  G02F1/1368 ,  H01L51/52

Abstract: According to one embodiment, a display device includes a first basement, a first folding line and a second folding line. The first basement has a first area which is a display area including a display element, and a second area and a third area which are non-display areas and are adjacent to the first area. The first folding line is located at a border of the first area and the second area. The second folding line is located at a border of the first area and the third area. The first folding line extends in a first direction, and the second folding line extends in a second direction intersecting the first direction.

公开(公告)号：US20190019466A1

公开(公告)日：2019-01-17

申请号：US16030043

申请日：2018-07-09

Applicant: Japan Display Inc.

Inventor： Takanori Tsunashima ,  Yoshiro Aoki ,  Makoto Uchida

IPC: G09G3/36

Abstract: According to one embodiment, a driving method of a display device including a display area in which liquid crystal pixels are arranged in a matrix, a plurality of scanning lines arranged along display rows, a plurality of signal lines arranged along display columns, a backlight which illuminates the display area, and a controller which controls a display operation, the driving method includes via the controller, driving the scanning lines alternately from a center of the display area to both edges of the display area, outputting video data corresponding to a driven scanning line to the signal lines in synchronization with the driving of the scanning line, and turning on the backlight for a predetermined time after outputting the video data of one frame.

公开(公告)号：US10140940B2

公开(公告)日：2018-11-27

申请号：US15206779

申请日：2016-07-11

Applicant: Japan Display Inc.

Inventor： Yoshiro Aoki

IPC: G09G3/36 ,  H01L29/786 ,  G02F1/1362 ,  G02F1/1368

Abstract: According to one embodiment, a display device has a display area and pixels forming a matrix pattern. Each of the pixels has a display element and a capacitive element series circuit, and a capacitive element series circuit includes a first capacitive element and a second capacitive element. Some switches in a boost control circuit are controlled by a gate signal during one pulse period of an input source signal at least two times. The switches include, a switch being opening and/or closing in a first half of the pulse period, and a switch being closing and/or opening in a second half of the pulse period.