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公开(公告)号：US20220357611A1
公开(公告)日：2022-11-10
申请号：US17873362
申请日：2022-07-26
Inventor： Takashi YAMAMOTO , Tomoya SUGANO , Takamitsu KAMADA
IPC: G02F1/1339 , G02F1/1335 , G02F1/1345 , G02F1/1362 , G02F1/1337
Abstract: A liquid crystal display device includes a TFT substrate having a display region where pixels each having a TFT and a pixel electrode are formed in a matrix, a counter substrate having a display region where color filters of three colors are formed in a matrix, the TFT substrate and the counter substrate being bonded together with a sealing material in a seal portion at a periphery, and liquid crystal sealed between the TFT substrate and the counter substrate by the seal material. In the display region, a first insulation film, a first alignment film, a first columnar spacer, an overcoat film, a first color filter among the color filters of three colors are stacked in this order between the TFT substrate and the counter substrate.
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242.发明授权公开(公告)号：US11448911B2
公开(公告)日：2022-09-20
申请号：US17374658
申请日：2021-07-13
Inventor： Keisuke Izawa , Makoto Arita , Toshitaka Uchikoba
IPC: G02F1/133 , G02F1/1347 , G02F1/1337
Abstract: A method of setting a common electrode voltage of a liquid crystal display panel in a liquid crystal module is provided. The liquid crystal module includes the liquid crystal display panel including an alignment film, and a backlight disposed behind the liquid crystal display panel. The method of setting a common electrode voltage of a liquid crystal display panel includes: eliminating an electric charge of the alignment film by turning on the backlight without driving the liquid crystal display panel to emit light of the backlight onto the liquid crystal display panel; and setting the common electrode voltage of the liquid crystal display panel by adjusting the common electrode voltage, after the eliminating of the electric charge.
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公开(公告)号：US20220261133A1
公开(公告)日：2022-08-18
申请号：US17737077
申请日：2022-05-05
Inventor： Kouichi ANNO
Abstract: A display device with a touch panel includes a display panel, and a touch panel formed above the display panel. The touch panel includes X electrodes which extend in a first direction, and Y electrodes which extend in a second direction different from the first direction. The X electrodes and the Y electrodes respectively include intersection portions each formed where the X electrodes and the Y electrodes overlap each other, and electrode portions each formed between the intersection portions, wherein the electrode portions of one of the X electrodes is smaller in area than the electrode portions of one of the Y electrodes, and wherein floating electrodes are formed close to the electrode portion of the one of the X electrodes or Y electrodes, and over a reduced portion of the X electrode.
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公开(公告)号：US20220221643A1
公开(公告)日：2022-07-14
申请号：US17705927
申请日：2022-03-28
Inventor： Eiji OOHIRA
IPC: F21V8/00 , G02F1/1333 , G02F1/13357 , G02F1/1335 , G02F1/1339
Abstract: A liquid crystal display device includes a LCD panel having a first polarizer, a first substrate, a second substrate and a second polarizer are sequentially provided from a front surface side, a frame which surrounds the LCD panel and has a first opening having first to fourth sides, a planar light source disposed on the rear surface side of the LCD panel in the first opening, a plurality of optical sheet groups which are disposed between the planar light source and the LCD panel, and an adhesive layer which has a second opening formed along the first to fourth sides of the frame. A front surface side of the adhesive layer is adhered to the LCD panel along at least the first side, and a rear surface side of the adhesive layer is adhered to the plurality of optical sheet groups and the frame along at least the first side.
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公开(公告)号：US20220137441A1
公开(公告)日：2022-05-05
申请号：US17574619
申请日：2022-01-13
Inventor： Koichi FUKUDA
IPC: G02F1/1333 , G02F1/1335 , G02F1/1339
Abstract: An electronic device includes a liquid crystal display device having a first substrate, a second substrate bonded to the first substrate, with liquid crystal material held between the first substrate and the second substrate, and an upper polarizing plate affixed to the second substrate. A protective member is disposed over the upper polarizing plate, and an adhesive member is disposed between the protective member and the upper polarizing plate without an air layer between the protective member and the upper polarizing plate. The protective member is configured as a protective cover of the electronic device.
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Patent Agency Ranking
公开(公告)号：US11302719B2
公开(公告)日：2022-04-12
申请号：US16694428
申请日：2019-11-25
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Yugo Takeda , Masafumi Hirata , Hiroaki Iwato
IPC: H01L27/12 , G02F1/136 , G02F1/1362
Abstract: A thin film transistor substrate includes: a plurality of gate signal lines extending in a first direction; a plurality of gate lead-out lines and a plurality of dummy gate lead-out lines extending in a second direction; a plurality of common lines extending in at least one of the first direction and the second direction in the pixel region; and a common electrode provided opposite to a pixel electrode and electrically connected to the plurality of common lines. The plurality of gate lead-out lines are connected to the gate signal lines at least at one point of a plurality of intersections between the plurality of gate signal lines and the plurality of gate lead-out lines, and the common potential is applied to the plurality of dummy gate lead-out lines.
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247.发明申请公开(公告)号：US20220019100A1
公开(公告)日：2022-01-20
申请号：US17374658
申请日：2021-07-13
Inventor： Keisuke IZAWA , Makoto ARITA , Toshitaka UCHIKOBA
IPC: G02F1/133 , G02F1/1337 , G02F1/1347
Abstract: A method of setting a common electrode voltage of a liquid crystal display panel in a liquid crystal module is provided. The liquid crystal module includes the liquid crystal display panel including an alignment film, and a backlight disposed behind the liquid crystal display panel. The method of setting a common electrode voltage of a liquid crystal display panel includes: eliminating an electric charge of the alignment film by turning on the backlight without driving the liquid crystal display panel to emit light of the backlight onto the liquid crystal display panel; and setting the common electrode voltage of the liquid crystal display panel by adjusting the common electrode voltage, after the eliminating of the electric charge.
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公开(公告)号：US20210397030A1
公开(公告)日：2021-12-23
申请号：US17467599
申请日：2021-09-07
Inventor： Eiji OOHIRA
IPC: G02F1/1333 , G06F3/044 , G06F3/041 , G02F1/1335 , G02F1/1339 , G02F1/1343 , G02F1/1345
Abstract: A portable device and method of manufacturing a display device includes a display panel having a glass substrate and a polarizer adhered to the glass substrate, a touch panel which is made of resin material and adhered to the polarizer of the display panel by a first adhesive material, and a front window which is made of glass and adhered to the touch panel by a second adhesive material. One of the first adhesive material and the second adhesive material is an adhesive sheet, and an other of the first adhesive material and the second adhesive material is an ultraviolet-curing adhesive material.
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公开(公告)号：US20210366564A1
公开(公告)日：2021-11-25
申请号：US17394475
申请日：2021-08-05
Inventor： Takahiro OCHIAI , Mitsuru GOTO , Hiroko SEHATA , Hiroyuki HIGASHIJIMA
Abstract: A display device including a bidirectional shift register circuit, including: a plurality of cascade-connected register circuits; various circuits for setting various nodes to various voltage levels responsive to various signals input to various terminals; and an output circuit which outputs the clock pulse as an output pulse when the voltage of the first node is high level, wherein, at the forward shift operation, the bottom dummy register circuit is not input the reset signal and the first node of the bottom dummy register circuit is reset if the initial reset circuit of the bottom dummy register circuit receives the backward trigger signal, and wherein, at the backward shift operation, the top dummy register circuit is not input the reset signal and the first node of the top dummy register circuit is reset if the initial reset circuit of the top dummy register circuit receives the forward trigger signal.
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公开(公告)号：US11120760B2
公开(公告)日：2021-09-14
申请号：US17101999
申请日：2020-11-23
Inventor： Hideyuki Nakanishi , Katsuhiro Kikuchi , Takenobu Nishiguchi , Tatsuo Itoman
IPC: G09G3/36
Abstract: A liquid crystal display device includes: first and second liquid crystal panels disposed to be overlapped with each other; a parallax reduction unit that generates the second output image signal by performing smoothing processing on a first signal based on the input image signal; a first temporal filter that generates a first response correction signal determining the first output image signal based on the second output image signal; and a corrector that generates the first output image signal based on at least the first response correction signal and a second signal based on the input image signal. The first temporal filter generates the first response correction signal of a current frame based on the second output image signal of the current frame and the first response correction signal of a previous frame.
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