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公开(公告)号：US11114177B2
公开(公告)日：2021-09-07
申请号：US16906286
申请日：2020-06-19
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：US11114049B2
公开(公告)日：2021-09-07
申请号：US16691274
申请日：2019-11-21
Inventor： Satoshi Hirotsune , Yasuyuki Suga , Tatsuo Itoman
Abstract: A liquid crystal display device includes: a display unit including a first liquid crystal panel and a second liquid crystal panel disposed on a rear surface side of the first liquid crystal panel; and an image processor that generates first and second output image signals respectively output to the first and second liquid crystal panels based on an input image signal. The image processor includes; a distributor that distributes the input image signal into first and second distribution image signals used to generate the first and second output image signals, respectively; and a first unevenness corrector that generates the first output image signal by performing first unevenness correction to prevent display unevenness of the display unit on the first distribution image signal output from the distributor, and outputs the generated first output image signal to the first liquid crystal panel.
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253.发明授权公开(公告)号：US11112627B2
公开(公告)日：2021-09-07
申请号：US16793748
申请日：2020-02-18
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Masahiro Ishii , Tetsuo Fukami , Yukinori Kayama
IPC: G02F1/13 , G02F1/1337 , G02F1/1339 , G02F1/1343 , G02F1/1345
Abstract: Disclosed herein are a viewing angle control unit, a substrate assembly of the viewing angle control unit, and a display assembly. The viewing angle control unit includes two substrate assemblies, a liquid crystal (LC) component disposed between the substrate assemblies, and a seal component interconnecting the substrate assemblies and surrounding the LC component. At least one of the substrate assemblies includes a transparent base substrate, a transparent electrode layer disposed on the transparent base substrate, and an alignment film disposed on the transparent electrode layer. The transparent electrode layer has a groove extending along at least part of the seal component, so as to mitigate excessive spreading of a material of the alignment film during manufacturing of the viewing angle control unit. The display assembly includes the viewing angle control unit.
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公开(公告)号：US20210247650A1
公开(公告)日：2021-08-12
申请号：US17239714
申请日：2021-04-26
Inventor： Tohru SASAKI , Takahiro OCHIAI
IPC: G02F1/1362 , G02F1/1343 , G02F1/1333 , G02F1/1368 , G02F1/1335
Abstract: To form a sufficiently large storage capacitor, a liquid crystal display device includes a liquid crystal display panel having a first substrate, a second substrate, and a liquid crystal held between the first substrate and the second substrate, the liquid crystal display panel having multiple pixels arranged in matrix. The first substrate has, in a transmissive display area provided in each of the pixels, a laminated structure containing a first transparent electrode, a first insulating film, a second transparent electrode, a second insulating film, and a third transparent electrode which are laminated in this order. The first transparent electrode and the second transparent electrode are electrically insulated from each other and together form a first storage capacitor through the first insulating film, and the second transparent electrode and the third transparent electrode are electrically insulated from each other and together form a second storage capacitor through the second insulating film.
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公开(公告)号：US20210225317A1
公开(公告)日：2021-07-22
申请号：US16794506
申请日：2020-02-19
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Teruhisa Nakagawa
Abstract: A liquid crystal display panel, which includes: a plurality of pixels arranged in a row direction and a column direction, the pixel comprising a transistor; a plurality of data lines extending in the column direction, and including a first data line and a second data line; and a plurality of scan lines extending in the row direction, and crossing the plurality of data lines. The first data line and the second data line are disposed between two adjacent pixel columns, and partially overlap in a thickness direction of the liquid crystal display panel.
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Patent Agency Ranking
公开(公告)号：US11061288B2
公开(公告)日：2021-07-13
申请号：US16727043
申请日：2019-12-26
Inventor： Takashi Yamamoto , Tomoya Sugano , Takamitsu Kamada
IPC: G02F1/1339 , G02F1/1335 , G02F1/1345 , G02F1/1362 , G02F1/1337 , G02F1/1333
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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公开(公告)号：US11036323B2
公开(公告)日：2021-06-15
申请号：US16748168
申请日：2020-01-21
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Tetsuo Fukami , Masahiro Ishii
IPC: G06F3/041 , G02F1/1343 , G02F1/1362 , G02F1/1368
Abstract: A display device comprising: a plurality of source lines extending in a first direction; a plurality of gate lines extending in a second direction intersecting the first direction; a plurality of pixel electrodes arrayed in the first direction and the second direction; a plurality of common electrodes disposed corresponding to a plurality of touch regions arrayed in the first direction and the second direction, the plurality of common electrodes being disposed while opposed to the plurality of pixel electrodes; a plurality of sensor electrode lines electrically connected to the plurality of common electrodes; a plurality of inspection signal lines electrically connected to the plurality of common electrodes through a plurality of inspection thin film transistors; and an inspection gate line connected to a gate electrode of each of the plurality of inspection thin film transistors.
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公开(公告)号：US11036107B2
公开(公告)日：2021-06-15
申请号：US16774748
申请日：2020-01-28
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Daisuke Kajita
IPC: G02F1/1362 , G02F1/1343 , G02F1/1333 , G02F1/1368 , G02F1/1339 , G02F1/1337
Abstract: A liquid crystal display device includes: transistors and pixel electrodes respectively provided in each pixels; common electrode facing the pixel electrodes; gate lines extending along the first direction and supplying gate signals to the transistors, respectively; gate lead lines extending in the second direction and each connected to a corresponding gate line at at least one of a plurality of intersections with the gate lines; data lines extending along the second direction and supplying data signals to the transistors respectively; and common lines extending along the second direction and connected to the common electrode. In a planar view, each of the common lines and each of the gate lead lines overlap partially.
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公开(公告)号：US11016351B2
公开(公告)日：2021-05-25
申请号：US16898645
申请日：2020-06-11
Inventor： Tohru Sasaki , Takahiro Ochiai
IPC: G02F1/1362 , G02F1/1343 , G02F1/1333 , G02F1/1368 , G02F1/1335
Abstract: To form a sufficiently large storage capacitor, a liquid crystal display device includes a liquid crystal display panel having a first substrate, a second substrate, and a liquid crystal held between the first substrate and the second substrate, the liquid crystal display panel having multiple pixels arranged in matrix. The first substrate has, in a transmissive display area provided in each of the pixels, a laminated structure containing a first transparent electrode, a first insulating film, a second transparent electrode, a second insulating film, and a third transparent electrode which are laminated in this order. The first transparent electrode and the second transparent electrode are electrically insulated from each other and together form a first storage capacitor through the first insulating film, and the second transparent electrode and the third transparent electrode are electrically insulated from each other and together form a second storage capacitor through the second insulating film.
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公开(公告)号：US11016338B1
公开(公告)日：2021-05-25
申请号：US16696665
申请日：2019-11-26
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Ryosuke Yabuki , Tomoharu Notoshi , Naoki Sato
IPC: G02F1/13357 , F21V8/00
Abstract: A display device includes a liquid crystal display (LCD) panel, a rear frame, a light guide plate, and a light emitting diode (LED) substrate. The LED substrate includes a first substrate portion, a second substrate portion, a plurality of LEDs mounted to the first substrate portion, and a power connector mounted to the second substrate portion. The first substrate portion extends in a first direction along a first side of the light guide plate that faces the first sidewall of the rear frame. The second substrate portion extends in a second direction along a second side of the light guide plate that faces the second sidewall of the rear frame. A backlight unit for a display device includes a light guide plate and a LED substrate.
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