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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。
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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
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。
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公开(公告)号：US12153317B2
公开(公告)日：2024-11-26
申请号：US18220358
申请日：2023-07-11
Applicant: Japan Display Inc.
Inventor： Hirotaka Hayashi
IPC: G02F1/1362 , G02F1/1368
Abstract: According to an aspect, a display device includes: a first light-transmitting substrate; a second light-transmitting substrate; a liquid crystal layer disposed between the first light-transmitting substrate and the second light-transmitting substrate and includes polymer-dispersed liquid crystals; scan lines that are provided to the first light-transmitting substrate and extend along a first direction; signal lines that extend in a second direction intersecting the first direction; a first pixel electrode and a second pixel electrode that are arranged in the second direction; and a first switching element electrically coupled to the first pixel electrode and a second switching element electrically coupled to the second pixel electrode. One of the scan lines is arranged between the first pixel electrode and the second pixel electrode in the second direction and is electrically coupled to the first switching element of the first pixel electrode and the second switching element of the second pixel electrode.
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公开(公告)号：US12072592B2
公开(公告)日：2024-08-27
申请号：US17734217
申请日：2022-05-02
Applicant: Japan Display Inc.
Inventor： Hirotaka Hayashi
IPC: G02F1/1362 , G02F1/1368 , H01L27/12
CPC classification number: G02F1/136286 , G02F1/1368 , H01L27/124
Abstract: According to one embodiment, a semiconductor substrate comprises a pixel partitioned by a first gate line and a second gate line among a plurality of gate lines and by a first source line and a second source line among a plurality of source lines, a first transistor and a second transistor that are arranged in the pixel, and a first pixel electrode disposed between the first source line and the second source line and a second pixel electrode adjacent to the first pixel electrode in the second direction, wherein the first transistor and the second transistor are connected to the first pixel electrode, and the first gate line does not overlap the first pixel electrode but overlaps the second pixel electrode.
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公开(公告)号：US11967293B2
公开(公告)日：2024-04-23
申请号：US18071694
申请日：2022-11-30
Applicant: Japan Display Inc.
Inventor： Hirotaka Hayashi
IPC: G09G3/34 , G02F1/167 , G02F1/16766 , G09G3/00
CPC classification number: G09G3/344 , G02F1/167 , G02F1/16766 , G09G3/006
Abstract: According to one embodiment, an electronic device includes scanning, signal, pixels, and an inspection circuit disposed in a non-display area and including first switch elements connected to the scanning lines, the first switch elements are oxide semiconductor transistors including an oxide semiconductor layer, and each of the first switch elements of the inspection circuit includes at least two transistors connected in series to one of the scanning lines.
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Patent Agency Ranking
公开(公告)号：US11694647B2
公开(公告)日：2023-07-04
申请号：US17343858
申请日：2021-06-10
Applicant: Japan Display Inc.
Inventor： Hirotaka Hayashi
IPC: G09G3/20 , G09G3/36 , G02F1/1334
CPC classification number: G09G3/3677 , G02F1/1334 , G09G2300/0426
Abstract: According to one embodiment, a display device includes a first substrate, a second substrate including a common electrode, and a display function layer which is partly switched between a transparent state and a scattering state. The first substrate includes a first scanning line, a first signal line, an insulating layer, a first switching element, and a first pixel electrode. The first signal line includes a first coupling portion and a first line portion. The first scanning line intersects the first coupling portion and is provided in a same layer as the first line portion. The insulating layer is interposed between the first coupling portion and the first scanning line.
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公开(公告)号：US11137654B2
公开(公告)日：2021-10-05
申请号：US17165976
申请日：2021-02-03
Applicant: Japan Display Inc.
Inventor： Hirotaka Hayashi
IPC: G02F1/1343 , G02F1/1362 , G02F1/1339
Abstract: Some of a plurality of image signal lines of a display apparatus according to one embodiment includes: a plurality of bypass wiring portions (bypass wirings) arranged in a frame region so as to have both ends being connected to a plurality of extension wiring portions (extension wirings). The plurality of bypass wiring portions of the plurality of image signal lines include: a plurality of second-layer bypass wirings arranged in a second conductive layer; and a plurality of third-layer bypass wirings arranged in a third conductive layer that is different from a first conductive layer and the second conductive layer. Each of an arrangement pitch between the plurality of second-layer bypass wirings and an arrangement pitch between the plurality of third-layer bypass wirings is smaller than an arrangement pitch between the plurality of image signal lines in a display region.
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公开(公告)号：US09891748B2
公开(公告)日：2018-02-13
申请号：US15059450
申请日：2016-03-03
Applicant: Japan Display Inc.
Inventor： Takashi Nakamura , Masahiro Tada , Takanori Tsunashima , Hirotaka Hayashi , Kazuhide Mochizuki
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044
Abstract: According to one embodiment, a display device includes plural display pixels arranged in a matrix, plural gate lines, plural source lines and a control circuit which controls by applying intermittent driving and a column-inversion drive scheme, an operation in which drive signals are supplied to the gate lines and the source lines, and an image signal is supplied to the display pixels and held thereby, wherein the display pixels each include a liquid crystal in which alignment of liquid crystal molecules is changed by a voltage between pixel electrodes and a common electrode, and the control circuit applies in a signal stop period in the intermittent driving, a voltage corresponding to a gradation higher than or equal to white gradation to the source lines in a case where a display mode of the liquid crystal is a normally-black mode.
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公开(公告)号：US09858871B2
公开(公告)日：2018-01-02
申请号：US14635389
申请日：2015-03-02
Applicant: Japan Display Inc.
Inventor： Takanori Tsunashima , Hirotaka Hayashi
CPC classification number: G09G3/3607 , G09G3/3611 , G09G2300/023 , G09G2300/0426 , G09G2300/0452 , G09G2300/0456 , G09G2300/0852 , G09G2310/08
Abstract: According to one embodiment, a display device includes a unit pixel including a first pixel, a second pixel neighboring to the first pixel in a column direction, a third pixel neighboring to the first pixel in a row direction, and a fourth pixel neighboring to the second pixel in the row direction, a scanning line extending in the row direction and electrically connected to the first to fourth pixels, and first to fourth signal lines extending in the column direction and provided at intervals therebetween in the row direction, and the first to fourth signal lines are electrically connected to the first to fourth pixels, and video signal potentials for inverted drive applied to the first and second signal lines are inverted in polarity with respect to each other, and those to the third and fourth signal lines are inverted in polarity with respect to each other.
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公开(公告)号：US09696577B2
公开(公告)日：2017-07-04
申请号：US14931109
申请日：2015-11-03
Applicant: Japan Display Inc.
Inventor： Muneharu Akiyoshi , Kisako Ninomiya , Yasushi Kawata , Hirotaka Hayashi , Arichika Ishida
IPC: G02F1/1333 , G02F1/1335 , G02F1/1362
CPC classification number: G02F1/133502 , G02F1/1362 , G02F1/136209
Abstract: According to one embodiment, a reflective type liquid crystal display device provided can suppress light leakage into a thin film transistor due to entry of extraneous light. An array substrate includes a glass substrate, a plurality of thin film transistors, a plurality of pixel electrodes, and a metal film. The plurality of thin film transistors are provided to the glass substrate. The plurality of pixel electrodes are spaced apart from each other and driven by the thin film transistors. The plurality of pixel electrodes reflect extraneous light entering the reflective type display device from a counter substrate side. The metal film is provided between a gap between the pixel electrodes and each of the thin film transistors.
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