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公开(公告)号：US11436859B2
公开(公告)日：2022-09-06
申请号：US17233650
申请日：2021-04-19
Applicant: Japan Display Inc.
Inventor： Takashi Nakamura , Makoto Uchida , Takanori Tsunashima , Hirofumi Kato , Akio Takimoto
IPC: G06V40/13
Abstract: A fingerprint detection device includes a substrate, a plurality of photoelectric conversion elements that are provided to the substrate and each output a signal corresponding to light emitted thereto, a plurality of signal lines coupled to the photoelectric conversion elements, a detection circuit that is electrically coupled to the photoelectric conversion elements through the signal lines, and a signal line selection circuit that switches the number of the signal lines to be coupled to the one detection circuit.
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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.
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公开(公告)号：US10103178B2
公开(公告)日：2018-10-16
申请号：US15049385
申请日：2016-02-22
Applicant: Japan Display Inc.
Inventor： Masahiro Tada , Takashi Nakamura
IPC: H01L27/14 , H01L29/04 , H01L29/15 , H01L33/00 , G02F1/1333 , H01L21/00 , H01L21/84 , H01L27/12 , H01L27/32 , H01L29/786
Abstract: A display device according to one embodiment, includes a thin-film transistor. The thin-film transistor includes a semiconductor layer including a channel region, first and second high-concentration impurity regions on both sides of the channel region, low-concentration impurity regions on both sides of the channel region, gate electrodes, first and second electrodes, and a light-shielding electrode opposing the channel region and the entire first high-concentration impurity region via an insulating layer, to produce a capacitance between itself and the first high-concentration impurity 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：US20170097712A1
公开(公告)日：2017-04-06
申请号：US15379309
申请日：2016-12-14
Applicant: JAPAN DISPLAY INC.
Inventor： Yoshiro AOKI , Takashi Nakamura , Masahiro Tada , Hirotaka Hayashi , Makoto Shibusawa , Yutaka Umeda , Miyuki Ishikawa
CPC classification number: G06F3/0412 , G02F1/13338 , G06F3/0416 , G06F3/044 , G06F3/047 , G06F2203/04103 , G06F2203/04107 , G06F2203/04111 , G06F2203/04112 , H01L27/323 , H01L51/5237 , H01L51/524 , H01L51/5253
Abstract: According to one embodiment, a lateral-electric-field liquid crystal display device includes a light-emitting display layer including OLEDs and a driving circuit controlling light emission of the OLEDs, a moisture impermeable film provided to be laminated on the light-emitting display layer to prevent infiltration of moisture into the light-emitting display layer, an optical substrate provided separately from the moisture impermeable film and subjecting light from the light-emitting display region to optical processing, a first touch electrode group serving as one electrode group of touch electrodes and provided on a back surface of the optical substrate, and an extraction electrode group formed to be laminated on the moisture impermeable film, the extraction electrode group and the optical substrate have an overlapping part in plan view, and electrodes of the first touch electrode group being electrically connected to electrodes of the extraction electrode group in the overlapping part.
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Patent Agency Ranking
公开(公告)号：US20170097711A1
公开(公告)日：2017-04-06
申请号：US15379302
申请日：2016-12-14
Applicant: JAPAN DISPLAY INC.
Inventor： Yoshiro Aoki , Takashi Nakamura , Masahiro Tada , Hirotaka Hayashi , Makoto Shibusawa , Yutaka Umeda , Miyuki Ishikawa
CPC classification number: G06F3/0412 , G02F1/13338 , G06F3/0416 , G06F3/044 , G06F3/047 , G06F2203/04103 , G06F2203/04107 , G06F2203/04111 , G06F2203/04112 , H01L27/323 , H01L51/5237 , H01L51/524 , H01L51/5253
Abstract: According to one embodiment, a lateral-electric-field liquid crystal display device includes a light-emitting display layer including OLEDs and a driving circuit controlling light emission of the OLEDs, a moisture impermeable film provided to be laminated on the light-emitting display layer to prevent infiltration of moisture into the light-emitting display layer, an optical substrate provided separately from the moisture impermeable film and subjecting light from the light-emitting display region to optical processing, a first touch electrode group serving as one electrode group of touch electrodes and provided on a back surface of the optical substrate, and an extraction electrode group formed to be laminated on the moisture impermeable film, the extraction electrode group and the optical substrate have an overlapping part in plan view, and electrodes of the first touch electrode group being electrically connected to electrodes of the extraction electrode group in the overlapping part.
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公开(公告)号：US09536907B2
公开(公告)日：2017-01-03
申请号：US14734253
申请日：2015-06-09
Applicant: Japan Display Inc.
Inventor： Masahiro Tada , Takashi Nakamura
IPC: H01L29/786 , H01L27/12
CPC classification number: H01L27/124 , H01L29/78609 , H01L29/78633 , H01L29/78645 , H01L29/78675
Abstract: According to one embodiment, provided is a thin film transistor with which it is possible to reduce the leakage current and thereby, for a liquid crystal display device, to ensure a good display quality. The thin film transistor includes a semiconductor layer, gate electrodes, first light-blocking electrodes, and second light-blocking electrodes. The first light-blocking electrodes are disposed opposite to the gate electrodes with respect to the semiconductor layer and opposed to channel regions to block light incident into the channel regions. The second light-blocking electrodes are disposed opposite to the semiconductor layer with respect to the gate electrodes, arranged to block light incident into the channel regions, and electrically connected with one of a signal line and a pixel electrode.
Abstract translation: 根据一个实施例，提供了一种薄膜晶体管，通过该薄膜晶体管可以减小漏电流，从而可以降低液晶显示装置，以确保良好的显示质量。 薄膜晶体管包括半导体层，栅电极，第一遮光电极和第二遮光电极。 第一遮光电极相对于半导体层与栅电极相对设置，并且与沟道区相对，以阻挡入射到沟道区的光。 第二遮光电极相对于栅电极与半导体层相对配置，被布置成阻挡入射到沟道区中的光，并且与信号线和像素电极之一电连接。
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公开(公告)号：US09285911B2
公开(公告)日：2016-03-15
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
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.
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公开(公告)号：US20140333852A1
公开(公告)日：2014-11-13
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: G06F3/044 , G02F1/1343 , G02F1/1333
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：US11719573B2
公开(公告)日：2023-08-08
申请号：US17010413
申请日：2020-09-02
Applicant: Japan Display Inc.
Inventor： Hitoshi Tanaka , Masahiro Tada , Takashi Nakamura , Hiroshi Mizuhashi , Fumitaka Gotoh , Hirofumi Kato
IPC: G01J1/44 , H03K17/693 , G01K7/16 , H03K17/687 , H03K19/20 , H01L29/786
CPC classification number: G01J1/44 , G01K7/16 , H03K17/6872 , H03K17/693 , H03K19/20 , H01L29/78633 , H01L29/78675
Abstract: Provided are a substrate, an organic material layer provided above the substrate at a position overlapping at least a detection region, a plurality of detection electrodes provided between the substrate and the organic material layer in a direction orthogonal to the substrate, a first switching element provided to each of the detection electrodes, a plurality of gate lines coupled with some first switching elements and extending in a first direction, a plurality of signal lines coupled with some first switching elements and extending in a second direction intersecting the first direction, and a drive circuit configured to supply gate drive signals having potentials determined for the respective gate lines based on a predetermined code to the respective first switching elements through the gate lines.
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