公开(公告)号：US20240337877A1

公开(公告)日：2024-10-10

申请号：US18750016

申请日：2024-06-21

申请人： SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

发明人： Hajime Kimura

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

CPC分类号： 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

摘要： 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：US20240221699A1

公开(公告)日：2024-07-04

申请号：US18365871

申请日：2023-08-04

申请人： HKC CORPORATION LIMITED

发明人： Guangchen ZHANG ,  Tingting SHEN ,  Li LV ,  Yunyang LIU ,  Zhiwei LI ,  Jie WANG ,  Baohong KANG

IPC分类号： G09G3/36 ,  G02F1/1362 ,  G02F1/1368

CPC分类号： G09G3/3614 ,  G02F1/136286 ,  G02F1/1368 ,  G09G3/3655 ,  G09G2300/0852 ,  G09G2320/0233

摘要： Disclosed are a pixel circuit, a method for controlling a pixel and a display panel. The pixel circuit includes a first thin film transistor, a controlled end of the first thin film transistor is connected to the scan line, and an input end of the first thin film transistor is connected to the data line; and a first selection circuit, an input end of the first selection circuit is connected to an output end of the first thin film transistor, the first output end of the first selection circuit is connected to the first pixel electrode, and a second output end of the first selection circuit is connected to the second pixel electrode; the first thin film transistor is configured to sequentially write a data signal transmitted on the data line into the first pixel and the second pixel through the first selection circuit.

公开(公告)号：US12019335B2

公开(公告)日：2024-06-25

申请号：US18242158

申请日：2023-09-05

申请人： Semiconductor Energy Laboratory Co., Ltd.

发明人： Hajime Kimura

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

CPC分类号： 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

摘要： 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：US20240069393A1

公开(公告)日：2024-02-29

申请号：US18500216

申请日：2023-11-02

申请人： Japan Display Inc.

发明人： Gen KOIDE

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

CPC分类号： 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

摘要： 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

申请人： SAMSUNG DISPLAY CO., LTD.

发明人： Daecheol Kim ,  Jin-Ho Oh ,  Kyungwon Park ,  Hyosuk Park

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

CPC分类号： 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

摘要： 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：US20240062733A1

公开(公告)日：2024-02-22

申请号：US18235041

申请日：2023-08-17

申请人： Japan Display Inc.

发明人： Tadayoshi KATSUTA

IPC分类号： G09G3/36

CPC分类号： G09G3/3655 ,  G09G2300/0426 ,  G09G2330/021 ,  G09G2320/046

摘要： According to an aspect, a display device includes a pixel, a scanning line, a signal line, and a drive circuit. The drive circuit includes a gate driver, a signal line selection circuit, and a display control circuit. Holding capacitance is provided between a pixel electrode and a common electrode supplied with a common potential lower than a GND potential in a display operation. The display control circuit is configured to, at first time in a power-off sequence, supply a first power supply voltage signal to the scanning line, supply the common potential to the common electrode, and supply the GND potential to the signal line. The display control circuit is configured to supply the GND potential to the scanning line at second time after the first time. The display control circuit is configured to supply the GND potential to the common electrode at third time after the second time.

公开(公告)号：US20240038188A1

公开(公告)日：2024-02-01

申请号：US18377433

申请日：2023-10-06

申请人： Sitronix Technology Corporation

发明人： Hung-Yu Lu ,  Rong-Fong Chen

IPC分类号： G09G3/36

CPC分类号： G09G3/3607 ,  G09G3/3655 ,  G09G3/3677 ,  G09G3/3685 ,  G09G3/3614 ,  G09G2310/027 ,  G09G2320/0247 ,  G09G2320/0276 ,  G09G2320/0673

摘要： The present invention relates to a driving method for flicker suppression of a display panel and a driving circuit thereof. The driving circuit includes a source driving circuit and a common voltage generating circuit. The driving method includes driving the source driving circuit to generate at least one first source signal and at least one second source signal, the first source signal corresponds to at least one first pixel on a first scanning line; the second source signal corresponds to at least one second pixel on a second scanning line. The common voltage generating circuit generates at least one common voltage. While driving the first pixel and the second pixel to display the same gray scale image, the first source signal is not equal to the second source signal, or a first common voltage and a second common voltage generated by the common voltage generating circuit are different.

公开(公告)号：US11847988B2

公开(公告)日：2023-12-19

申请号：US16983262

申请日：2020-08-03

申请人： SITRONIX TECHNOLOGY CORP.

发明人： Hung-Yu Lu ,  Rong-Fong Chen

IPC分类号： G09G3/36

CPC分类号： G09G3/3607 ,  G09G3/3655 ,  G09G3/3677 ,  G09G3/3685 ,  G09G3/3614 ,  G09G2310/027 ,  G09G2320/0247 ,  G09G2320/0276 ,  G09G2320/0673

摘要： The present invention relates to a driving method for flicker suppression of a display panel and a driving circuit thereof. The driving circuit includes a source driving circuit and a common voltage generating circuit. The driving method includes driving the source driving circuit to generate at least one first source signal and at least one second source signal, the first source signal corresponds to at least one first pixel on a first scanning line; the second source signal corresponds to at least one second pixel on a second scanning line. The common voltage generating circuit generates at least one common voltage. While driving the first pixel and the second pixel to display the same gray scale image, the first source signal is not equal to the second source signal, or a first common voltage and a second common voltage generated by the common voltage generating circuit are different.

公开(公告)号：US20230341731A1

公开(公告)日：2023-10-26

申请号：US18343006

申请日：2023-06-28

申请人： Japan Display Inc.

发明人： Takashi DOI ,  Toshihiro NINOMIYA

IPC分类号： G02F1/1343 ,  G02F1/1339 ,  G09G3/36 ,  G02F1/1368 ,  G06F3/041 ,  G06F3/01 ,  G02F1/1362 ,  G06F3/0354 ,  G02F1/1333

CPC分类号： G02F1/134309 ,  G02F1/13338 ,  G02F1/13394 ,  G02F1/134336 ,  G02F1/136286 ,  G02F1/1368 ,  G06F3/017 ,  G06F3/03545 ,  G06F3/0412 ,  G09G3/3655 ,  G09G3/3696 ,  G02F2201/121 ,  G02F2201/123 ,  G06F2203/04101 ,  G06F2203/04808

摘要： According to one embodiment, a liquid crystal display apparatus includes a display region including a plurality of display pixels arrayed in a matrix, an array substrate including a plurality of first electrodes which are arrayed in a matrix, second electrodes which are arranged on the same layer as a layer of the first electrodes and connect the first electrodes to each other, and third electrodes which are arrayed in a matrix on the first electrodes and the second electrodes, a countersubstrate which is arranged to face the array substrate, and a liquid crystal layer which is interposed between the array substrate and the countersubstrate.

公开(公告)号：US11775108B2

公开(公告)日：2023-10-03

申请号：US17246644

申请日：2021-05-02

申请人： FOCALTECH ELECTRONICS, LTD.

发明人： Lianghua Mo ,  Xinxi Jiang ,  Junqiao Liu

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

CPC分类号： G06F3/04166 ,  G02F1/13338 ,  G02F1/13439 ,  G06F3/0412 ,  G09G3/3655 ,  G09G3/3677 ,  G09G3/3688 ,  G06F3/0443 ,  G09G2310/0248 ,  G09G2310/0281 ,  G09G2310/08

摘要： A touch display apparatus, a corresponding driving circuit, and a driving method are provided. The touch display apparatus includes a driving circuit configured to, during the touch sensing stage, provide a first signal to a common electrode for realizing touch detection during the touch sensing stage, a second signal used to control a thin film transistor of the touch display apparatus to be switched off and is used to decrease charge and discharge capacity of a capacitor formed by the common electrode and the gate line, and a third signal used to decrease charge and discharge capacity of a capacitor formed by the common electrode and a data line. The third signal is used to control the data line to enter a floating state during the touch sensing stage.