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公开(公告)号：US10074331B2
公开(公告)日：2018-09-11
申请号：US15159343
申请日：2016-05-19
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Genshiro Kawachi , Kazuo Kita , Yoshihisa Ooishi , Hideyuki Nakanishi , Toshikazu Koudo
IPC: H01L27/32 , G09G3/36 , G09G3/3266 , H01L27/12 , G09G3/3208
CPC classification number: G09G3/3677 , G09G3/3208 , G09G3/3266 , G09G2300/0408 , G09G2310/0218 , G09G2310/0248 , G09G2310/0251 , G09G2310/0264 , G09G2310/0281 , G09G2310/0297 , G09G2310/061 , G09G2310/062 , G09G2310/065 , G09G2310/067 , G09G2320/043 , H01L27/124
Abstract: A display device includes an image display area that includes pixels sectioned by scanning signal lines and video signal lines, first scanning connection lines connected to scanning signal lines, first thin film transistors, first selection signal lines, second thin film transistors, second selection signal lines, and a scanning signal drive circuit connected to the first scanning connection lines, the first selection signal lines, and the second selection signal lines, wherein the scanning signal drive circuit sequentially supplies a pulse signal to the first scanning connection lines in a selection period in which a gate-on voltage is applied to the one of the first selection signal lines, and the scanning signal drive circuit applies a gate-off voltage to the one of the second selection signal lines corresponding to the one of the first selection signal lines to which the gate-on voltage is applied.
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公开(公告)号：US20180239492A1
公开(公告)日：2018-08-23
申请号：US15961960
申请日：2018-04-25
Inventor： Shinya Hashimoto
IPC: G06F3/041 , G02F1/1333 , G06F3/044 , G02F1/1343
CPC classification number: G06F3/0416 , G02F1/133345 , G02F1/13338 , G02F1/13439 , G06F1/16 , G06F3/0412 , G06F3/0418 , G06F3/044 , G06F2203/04103 , G06F2203/04107 , G06F2203/04111 , H05K1/0216 , H05K1/11 , H05K1/118 , H05K3/361 , H05K2201/09245 , H05K2201/09254
Abstract: A display device includes a display panel, and an electrostatic capacitive type touch panel which is formed in an overlapping manner with the display panel. A plurality of X electrodes and a plurality of Y electrodes intersecting with the X electrodes. A first signal line supplies signals to the X electrodes, a second signal line supplies signals to the Y electrodes, and the first signal line and the second signal line are formed on a flexible printed circuit board. A dummy electrode is formed adjacent to an electrode portion of each X electrode and electrode portion of each Y electrode, the dummy electrode does not overlap the X electrode and the Y electrode, and the dummy electrode does not electrically connect with the first and second signal lines.
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公开(公告)号：US20180239474A1
公开(公告)日：2018-08-23
申请号：US15959393
申请日：2018-04-23
Inventor： Tsutomu FURUHASHI , Norio MAMBA
CPC classification number: G06F3/047 , G06F3/0412 , G06F3/044 , G06F2203/04111 , G09G3/3611 , G09G5/006 , G09G5/18 , G09G2300/0404
Abstract: A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal material sandwiched between the first and second substrate. The second substrate has a touch screen electrode directly on a front-side surface of the second substrate. The first substrate has a wiring line for supplying a position detection voltage. A conductive tape electrically connects between the touch screen electrode and a driver circuit. A polarization plate is disposed above the touch screen electrode.
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公开(公告)号：US20180239210A1
公开(公告)日：2018-08-23
申请号：US15956425
申请日：2018-04-18
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Hiroyuki YABUKI , Tomohiro NAKAYAMA
IPC: G02F1/1362 , G02F1/1343 , G02F1/1345 , G02F1/1333 , G02F1/1368
CPC classification number: G02F1/136286 , G02F1/133345 , G02F1/134336 , G02F1/1345 , G02F1/1368 , G02F2001/133388 , G02F2201/121 , G02F2201/123
Abstract: A display device includes a gate lines extending in a first direction, data lines extending in a second direction, pixel electrodes, a common electrode disposed to face the pixel electrodes, common wirings that are electrically connected to the common electrode; and a common bus line that extends in the first direction outside of a display region and is electrically connected to the common wirings. Each of the common wiring includes a first common wiring portion extending in the first direction and a second common wiring portion that is connected to the first common wiring portion and extends in the second direction outside of the display region. A width of the first common wiring portion in the first direction is larger than a width of the second common wiring portion in the first direction. Both ends of the first common wiring portion in the first direction are electrically connected to the common bus line.
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公开(公告)号：US10054824B2
公开(公告)日：2018-08-21
申请号：US15832883
申请日：2017-12-06
Inventor： Takahiro Nagami
IPC: G02F1/1339 , G02F1/1335
CPC classification number: G02F1/1339 , G02F1/133514 , G02F1/13394 , G02F1/1341 , G02F2001/13398
Abstract: A display device includes a display panel having a display region and a peripheral region, the display panel including a TFT substrate, a counter substrate fixed to the TFT substrate by seal material formed at the peripheral region, and liquid crystal interposed between the TFT substrate and the counter substrate. The TFT substrate includes an inorganic film and an organic film, with first column spacers being formed on the counter substrate. The organic film includes a first part which has an island-like shape formed at the peripheral region and a second part formed at the display region, and the seal material covers at least one of the first column spacers and the first part of the organic film, and is in contact with the inorganic film. The first part of the organic film is separated from the second part of the organic film of the organic film.
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Patent Agency Ranking
公开(公告)号：US10042500B2
公开(公告)日：2018-08-07
申请号：US15717342
申请日：2017-09-27
Inventor： Hiroshi Esaka , Shouji Ikeda , Kouichi Anno
IPC: G06F3/041 , G06F3/044 , G02F1/1333 , G06F1/16 , H01L27/32
Abstract: An electrostatic capacitive coupling type touch panel including an input region having four sides, a peripheral region around the input region, terminals formed in the peripheral region along a first side of the input region, wirings formed in the peripheral region along second, third and fourth sides of the input region, and the input region having X and Y electrodes crossing. The wirings are connected between corresponding X or Y electrodes and wiring terminals plurality of terminals. A dummy wiring, which is not connected to any of the X electrodes or Y electrodes, is provided outside the wiring formed in a farthest position from the input region, and the dummy wiring extends through the peripheral region along the second, third and fourth sides of the input region, and electrically connects to at least one dummy wiring terminal.
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公开(公告)号：US10041989B2
公开(公告)日：2018-08-07
申请号：US15064600
申请日：2016-03-09
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Toshiki Onishi
Abstract: Provided is a circuit board including inspection terminals, the circuit board including: a connection terminal, which is arranged on a front surface or in an inner layer of the circuit board, and is electrically connected to an object to be inspected; and three or more inspection terminals, which are electrically connected to the connection terminal, and are configured to measure a resistance value of the object be inspected, each of the three or more inspection terminals being arranged on a side surface of the circuit board.
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公开(公告)号：US20180217447A1
公开(公告)日：2018-08-02
申请号：US15882026
申请日：2018-01-29
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Tomoharu NOTOSHI , Yasuyuki DOI
IPC: G02F1/1335 , H05B33/08 , G02F1/1362
CPC classification number: G02F1/133603 , G01F3/00 , G02F1/00 , G02F1/136286 , G09G2310/0264 , H05B33/0845 , Y02B20/343
Abstract: A backlight module for a liquid crystal display includes: LEDs; LED drivers; a controller that outputs data and the latch signal to the LED drivers; data lines for transmitting the data; and latch signal lines for transmitting the latch signal. The latch signal lines are wired according to each of a plurality of first groups obtained by dividing LED drivers. The data lines are wired according to each of a plurality of second groups, which are constructed with a collection of at least one LED driver selected from each of the plurality of first groups without duplication, and each data line is commonly connected to at least one LED belonging to the corresponding second group.
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公开(公告)号：US10007379B2
公开(公告)日：2018-06-26
申请号：US15243267
申请日：2016-08-22
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Ryutaro Oke , Junichi Maruyama
IPC: G06F3/045 , G06F3/041 , G02F1/1333 , G06F3/044 , G02F1/1362 , G06F3/047 , G09G3/36 , G02F1/1335 , G02F1/1343 , G02F1/1368
CPC classification number: G06F3/0416 , G02F1/13338 , G02F1/133514 , G02F1/134309 , G02F1/136286 , G02F1/1368 , G02F2001/133302 , G02F2201/121 , G02F2201/123 , G06F3/0412 , G06F3/044 , G06F3/047 , G09G3/3648 , G09G3/3655 , G09G2310/0291 , G09G2310/06 , G09G2320/0209 , G09G2330/021
Abstract: A display device with built-in touch detection function, the display device includes source lines, detection lines, common lines, gate lines, pixels, control elements, each applying to a corresponding pixel a voltage, a common line driving circuit including a pulse generator that sequentially drives the common lines, the pulse generator generating a first pulse signal for each of the common lines, a pulse compensator, the pulse compensator generating a second pulse signal based on the first pulse signal and the potential input from each of the common lines, the second pulse signal reducing a variation in potential at each of the common lines in response to a potential at each of the source lines, the pulse compensator outputting the second pulse signal to a corresponding common line, and a touch detector that detects a position specified by a user according to the second pulse signal.
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公开(公告)号：US20180164622A1
公开(公告)日：2018-06-14
申请号：US15837645
申请日：2017-12-11
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Kikuo ONO
IPC: G02F1/139 , G02F1/1347 , G02F1/1335 , G02F1/1343 , G02F1/1362 , G02F1/1337 , G02F1/133 , G09G3/36
CPC classification number: G02F1/1395 , G02F1/13306 , G02F1/133512 , G02F1/133514 , G02F1/133528 , G02F1/133784 , G02F1/134309 , G02F1/134363 , G02F1/13471 , G02F1/136227 , G02F1/136286 , G02F1/1368 , G02F2001/133531 , G02F2001/133738 , G02F2001/134345 , G02F2001/134372 , G02F2001/13706 , G02F2001/13712 , G02F2201/122 , G02F2201/123 , G02F2201/40 , G02F2203/64 , G09G3/36 , G09G3/3607 , G09G2300/0426 , G09G2300/0465 , G09G2300/0478 , G09G2310/08 , G09G2320/0233 , G09G2320/0242
Abstract: A liquid crystal display device comprises: a first liquid crystal cell being a lateral electric field driven type; a second liquid crystal cell being a lateral electric field driven type; a first polarizing plate and a second polarizing plate, which are disposed so as to sandwich the first liquid crystal cell; and a third polarizing plate and a fourth polarizing plate, which are disposed so as to sandwich the second liquid crystal cell. The liquid crystal display device is configured such that rotation of a liquid crystal molecule of the first liquid crystal cell and rotation of a liquid crystal molecule of the second liquid crystal cell cancel and compensate for a hue change of the first liquid crystal cell or the second liquid crystal cell when viewed from a predetermined direction.
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