公开(公告)号：US12130522B2

公开(公告)日：2024-10-29

申请号：US18382432

申请日：2023-10-20

Applicant: HKC CORPORATION LIMITED

Inventor： Dingqiang Cai ,  Baohong Kang

IPC: G02F1/1343 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1339

CPC classification number: G02F1/134309 ,  G02F1/13338 ,  G02F1/133512 ,  G02F1/133784 ,  G02F1/13394 ,  G02F1/134363 ,  G02F1/134372 ,  G02F2201/121

Abstract: The present application relates to a liquid crystal display panel and a display device. The liquid crystal display panel includes a pixel electrode, a common electrode, and a gating module; the common electrode includes a first common electrode, a second common electrode, and a common electrode bus; in a state that a subpixel area is pressed, the second common electrode and the common electrode bus are gated by the gating module; and in a state that the subpixel area is unpressed, the first common electrode and the common electrode bus are gated by the gating module. According to the present application, Trace Mura can be relieved.

公开(公告)号：US20240337877A1

公开(公告)日：2024-10-10

申请号：US18750016

申请日：2024-06-21

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Hajime Kimura

IPC: G02F1/13357 ,  G02F1/1362 ,  G02F1/1368 ,  G09G3/34 ,  G09G3/36

CPC classification number: G02F1/133621 ,  G02F1/136213 ,  G02F1/13624 ,  G02F1/136286 ,  G02F1/1368 ,  G09G3/3659 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2202/10 ,  G09G3/342 ,  G09G3/3655 ,  G09G3/3688 ,  G09G2300/0426 ,  G09G2300/0443 ,  G09G2300/0842 ,  G09G2300/0852 ,  G09G2310/024 ,  G09G2310/0251 ,  G09G2310/0297 ,  G09G2320/0238 ,  G09G2320/0252 ,  G09G2320/0257 ,  G09G2320/0261 ,  G09G2320/028 ,  G09G2340/02 ,  G09G2340/0435 ,  G09G2340/16

Abstract: The present invention has a pixel which includes a first switch, a second switch, a third switch, a first resistor, a second resistor, a first liquid crystal element, and a second liquid crystal element. A pixel electrode of the first liquid crystal element is electrically connected to a signal line through the first switch. The pixel electrode of the first liquid crystal element is electrically connected to a pixel electrode of the second liquid crystal element through the second switch and the first resistor. The pixel electrode of the second liquid crystal element is electrically connected to a Cs line through the third switch and the second resistor. A common electrode of the first liquid crystal element is electrically connected to a common electrode of the second liquid crystal element.

公开(公告)号：US12067179B2

公开(公告)日：2024-08-20

申请号：US17396859

申请日：2021-08-09

Applicant: Japan Display Inc.

Inventor： Ryutaro Nitobe ,  Yoshihiro Kotani

IPC: G06F3/041 ,  G02F1/1333 ,  G02F1/1343 ,  G02F1/1362 ,  G06F3/044 ,  G09G3/20 ,  G09G3/36

CPC classification number: G06F3/0412 ,  G02F1/13338 ,  G02F1/134336 ,  G02F1/136286 ,  G06F3/04166 ,  G06F3/0418 ,  G06F3/044 ,  G09G3/2092 ,  G09G3/3648 ,  G09G3/3677 ,  G02F1/134345 ,  G02F1/134372 ,  G02F2201/121 ,  G06F2203/04108 ,  G09G3/3614 ,  G09G3/3696 ,  G09G2310/0291 ,  G09G2310/08

Abstract: A display device is provided and includes common electrodes overlapping pixels; common driver configured to supply voltage during a display period and an AC drive signal for touch detection during touch detection period; source lines connected to columns of pixels; source driver configured to supply an image signal; gate lines connected to rows of the pixels; select transistors connected between source driver and source lines; and controller configured to supply DC control signal to gate terminals of select transistors during display period, supply an AC control signal to gate terminals of select transistors during touch detection period, wherein AC control signal is synchronous with AC drive signal.

公开(公告)号：US12019335B2

公开(公告)日：2024-06-25

申请号：US18242158

申请日：2023-09-05

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hajime Kimura

IPC: G02F1/13357 ,  G02F1/1362 ,  G02F1/1368 ,  G09G3/34 ,  G09G3/36

CPC classification number: G02F1/133621 ,  G02F1/136213 ,  G02F1/13624 ,  G02F1/136286 ,  G02F1/1368 ,  G09G3/3659 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2202/10 ,  G09G3/342 ,  G09G3/3655 ,  G09G3/3688 ,  G09G2300/0426 ,  G09G2300/0443 ,  G09G2300/0842 ,  G09G2300/0852 ,  G09G2310/024 ,  G09G2310/0251 ,  G09G2310/0297 ,  G09G2320/0238 ,  G09G2320/0252 ,  G09G2320/0257 ,  G09G2320/0261 ,  G09G2320/028 ,  G09G2340/02 ,  G09G2340/0435 ,  G09G2340/16

Abstract: The present invention has a pixel which includes a first switch, a second switch, a third switch, a first resistor, a second resistor, a first liquid crystal element, and a second liquid crystal element. A pixel electrode of the first liquid crystal element is electrically connected to a signal line through the first switch. The pixel electrode of the first liquid crystal element is electrically connected to a pixel electrode of the second liquid crystal element through the second switch and the first resistor. The pixel electrode of the second liquid crystal element is electrically connected to a Cs line through the third switch and the second resistor. A common electrode of the first liquid crystal element is electrically connected to a common electrode of the second liquid crystal element.

公开(公告)号：US20240192552A1

公开(公告)日：2024-06-13

申请号：US18382432

申请日：2023-10-20

Applicant: HKC CORPORATION LIMITED

Inventor： Dingqiang CAI ,  Baohong KANG

IPC: G02F1/1343 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1339

CPC classification number: G02F1/134309 ,  G02F1/133512 ,  G02F1/133784 ,  G02F1/13394 ,  G02F2201/121

Abstract: The present application relates to a liquid crystal display panel and a display device. The liquid crystal display panel includes a pixel electrode, a common electrode, and a gating module; the common electrode includes a first common electrode, a second common electrode, and a common electrode bus; in a state that a subpixel area is pressed, the second common electrode and the common electrode bus are gated by the gating module; and in a state that the subpixel area is unpressed, the first common electrode and the common electrode bus are gated by the gating module. According to the present application, Trace Mura can be relieved.

公开(公告)号：US12008183B2

公开(公告)日：2024-06-11

申请号：US18164637

申请日：2023-02-06

Applicant: Innolux Corporation

Inventor： Chung-Wen Yen ,  Hsia-Ching Chu ,  Kuan-Feng Lee ,  Yu-Sheng Tsai

IPC: G06F3/041 ,  G09G3/20

CPC classification number: G06F3/0412 ,  G09G3/20 ,  G02F2201/121

Abstract: The disclosure provides a display panel including a substrate, an active layer, a first electrode layer, a common electrode layer, a cathode layer, and a spacer. The active layer is located on the substrate. The first electrode layer is located on the active layer, and the first electrode layer includes a first gate and a second gate. The common electrode layer is located on the first electrode layer. The common electrode layer has a first region, a second region, and a first necking region. The first necking region connects the first region and the second region. The first region and the first gate are correspondingly disposed, and the second region and the second gate are correspondingly disposed. The cathode layer is located on the common electrode layer. The spacer is located between the common electrode layer and the cathode layer. The spacer and the first necking region are correspondingly disposed.

公开(公告)号：US20240176199A1

公开(公告)日：2024-05-30

申请号：US18432239

申请日：2024-02-05

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Hajime KIMURA ,  Hideki UOCHI

IPC: G02F1/1368 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1362

CPC classification number: G02F1/1368 ,  G02F1/133345 ,  G02F1/133371 ,  G02F1/133555 ,  G02F1/134363 ,  G02F1/13439 ,  G02F1/136227 ,  G02F1/136286 ,  G02F1/133553 ,  G02F1/134372 ,  G02F1/136209 ,  G02F1/136222 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/124

Abstract: It is an object of the present invention to apply a sufficient electrical field to a liquid crystal material in a horizontal electrical field liquid crystal display device typified by an FFS type. In a horizontal electrical field liquid crystal display, an electrical field is applied to a liquid crystal material right above a common electrode and a pixel electrode using plural pairs of electrodes rather than one pair of electrodes. One pair of electrodes includes a comb-shaped common electrode and a comb-shaped pixel electrode. Another pair of electrodes includes a common electrode provided in a pixel portion and the comb-shaped pixel electrode.

公开(公告)号：US20240069393A1

公开(公告)日：2024-02-29

申请号：US18500216

申请日：2023-11-02

Applicant: Japan Display Inc.

Inventor： Gen KOIDE

IPC: G02F1/1345 ,  G02F1/1333 ,  G02F1/1343 ,  G06F3/041 ,  G06F3/044 ,  G09G3/36

CPC classification number: G02F1/13454 ,  G02F1/13338 ,  G02F1/134363 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/04164 ,  G06F3/04184 ,  G06F3/044 ,  G06F3/0445 ,  G06F3/0446 ,  G09G3/3611 ,  G09G3/3648 ,  G09G3/3655 ,  G02F1/1368 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/56 ,  G06F2203/04107

Abstract: According to one embodiment, a display device includes a first common electrode and a second common electrode arranged in a first direction, a first switch unit selectively supplying a first drive signal or a second drive signal different from the first drive signal to the first common electrode, and a second switch unit selectively supplying the first drive signal or the second drive signal to the second common electrode, wherein the second common electrode and the first switch unit are arranged in a second direction intersecting the first direction, the first switch unit comprises a first switch circuit and a second switch circuit arranged in the second direction.

公开(公告)号：US11915665B2

公开(公告)日：2024-02-27

申请号：US18068258

申请日：2022-12-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Daecheol Kim ,  Jin-Ho Oh ,  Kyungwon Park ,  Hyosuk Park

IPC: G09G3/36 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1333 ,  G02F1/1337

CPC classification number: G09G3/3696 ,  G02F1/134336 ,  G02F1/136286 ,  G09G3/3655 ,  G09G3/3677 ,  G09G3/3688 ,  G02F1/1337 ,  G02F1/133397 ,  G02F1/136218 ,  G02F2201/121 ,  G02F2201/123 ,  G09G2300/0426 ,  G09G2310/08 ,  G09G2320/0204 ,  G09G2320/0257 ,  G09G2320/0673

Abstract: A display panel includes a first substrate and a second substrate. The first substrate includes a plurality of pixel electrodes to which pixel voltages are applied and a shield electrode disposed between the pixel electrodes. A shield voltage is applied to the shield electrode. The second substrate faces the first substrate. The second substrate includes a common electrode to which a common voltage is applied.

公开(公告)号：US11914256B2

公开(公告)日：2024-02-27

申请号：US17971744

申请日：2022-10-24

Applicant: Japan Display Inc.

Inventor： Takayuki Suzuki ,  Hiroyuki Abe

IPC: G02F1/1362 ,  G02F1/133 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1333 ,  G02F1/1368 ,  H01L27/12 ,  G02F1/1345 ,  G09G3/36

CPC classification number: G02F1/136286 ,  G02F1/1345 ,  G02F1/1368 ,  G02F1/13306 ,  G02F1/133345 ,  G09G3/3688 ,  H01L27/124 ,  H01L27/1222 ,  G02F1/13378 ,  G02F1/13439 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133519 ,  G02F1/134363 ,  G02F1/136295 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/56 ,  G02F2203/04 ,  G09G2300/0426 ,  G09G2310/0297

Abstract: A liquid crystal display device having an outer shape of a display region formed other than a rectangle. A driver for supplying a video signal is disposed outside the display region. A selector with selector TFT is disposed between the display region and the driver. A video signal line is disposed between the driver and the selector, and a drain line is disposed between the selector and the display region. A scanning circuit for supplying a scanning signal to the scanning line is disposed outside the display region. The selector is disposed between the scanning line and the display region, and covered with ITO as the common electrode. The common bus wiring is disposed outside the selector.