公开(公告)号：US11537237B2

公开(公告)日：2022-12-27

申请号：US17315643

申请日：2021-05-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Pengcheng Lu ,  Lei Wang ,  Zhi Wang ,  Weifeng Han ,  Jing Yu

IPC: G06F3/047 ,  G06F3/041 ,  G06F3/044 ,  G09G3/3233

Abstract: The present disclosure relates to a touch panel. The touch panel includes a plurality of pixel units, and each of the plurality of pixel units includes a pixel circuit. The pixel circuit of each of the plurality of pixel units includes a driver, a writer, a power supply, a reset module, a controller and a compensator. The power supply includes a fourth switching transistor and a second capacitor. A gate of the fourth switching transistor is input with a light emitting control signal, and a source of the fourth switching transistor is input with a power supply signal. The second capacitor includes a first electrode connected to the driver; and a second electrode input with the power supply signal.

公开(公告)号：US11487370B2

公开(公告)日：2022-11-01

申请号：US16444332

申请日：2019-06-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu

IPC: G06F3/041 ,  G06F3/044 ,  H01L27/32

Abstract: A touch substrate, a driving method of a touch substrate, a preparation method of a touch substrate, and a touch device are disclosed. The touch substrate includes an underlying substrate and a touch layer, and the touch layer is on the underlying substrate. The touch layer includes a plurality of touch electrodes which are electrically separated from each other, each of the touch electrodes overlaps with an edge area of the touch substrate in a direction perpendicular to the underlying substrate, and each of the touch electrodes is electrically connected with a touch signal line on the underlying substrate in the edge area. The touch substrate can improve the pixel aperture ratio of the display area, so that the touch device including the touch substrate can achieve better display effect.

公开(公告)号：US20220293031A1

公开(公告)日：2022-09-15

申请号：US17683734

申请日：2022-03-01

Applicant: Yunnan Invensight Optoelectronics Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Qian Wu ,  Pengcheng Lu ,  Zhijian Zhu ,  Chenyu Chen ,  Yunlong Li ,  Dongsheng Li ,  Wei Liu ,  Longfei Fan ,  Rongfei Chen ,  Dacheng Zhang ,  Yuanlan Tian

IPC: G09G3/20 ,  H01L27/32 ,  G09G3/3225

Abstract: A display panel is provided. The display panel includes a driving back plate and a pixel layer disposed on a side of the driving back plate. The pixel layer includes a plurality of pixels, and the pixel includes m color sub-pixels for emitting color light and k white sub-pixels for emitting white light, wherein m and k are both integers greater than 1. The k white sub-pixels are configured to adjust the luminance of the pixel.

公开(公告)号：US11380741B2

公开(公告)日：2022-07-05

申请号：US16343775

申请日：2018-10-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu ,  Chunlei Wang ,  Wei Li

IPC: H01L27/32 ,  G09G3/3233 ,  H01L51/52 ,  H01L51/00 ,  H01L51/56

Abstract: A display panel includes a plurality of display elements over a substrate, each including at least one first light-emitting element for emitting a first light out of a first light-emitting surface and at least one second light-emitting element for emitting a second light out of a second light-emitting surface opposing to the first light-emitting surface. Each first light-emitting element has a first light-emitting layer between two first electrodes, which are respectively transparent and reflective so that the first light can transmit out of the first light-emitting surface. Each second light-emitting element includes a second light-emitting layer between two second electrodes, which are respectively transparent and reflective so that the second light transmits out of the second light-emitting surface. The first and second light-emitting surface are below and over the substrate respectively. A driving circuit is configured to drive the display panel.

公开(公告)号：US11374032B2

公开(公告)日：2022-06-28

申请号：US16642584

申请日：2019-02-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ming Yang ,  Minghua Xuan ,  Can Zhang ,  Can Wang ,  Han Yue ,  Ning Cong ,  Jiayao Liu ,  Wenqing Zhao ,  Li Xiao ,  Dongni Liu ,  Lei Wang ,  Liang Chen ,  Xiaochuan Chen ,  Shengji Yang ,  Pengcheng Lu

IPC: G02F1/1362 ,  G02F1/1343 ,  G02F1/1368 ,  H01L27/12 ,  G02B30/26 ,  G02F1/1335 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/36

Abstract: There is provided an array substrate including a plurality of pixel regions arranged in rows and columns. The plurality of pixel regions include a corresponding pixel electrode array and a corresponding pixel circuit associated with the corresponding pixel electrode array. Each of the pixel electrode arrays is arranged in rows and columns, and each pixel electrode array includes a plurality of pixel electrodes arranged in an array. The array substrate further includes a plurality of sets of gate lines extending in a row direction and a plurality of sets of data lines extending in a column direction. The plurality of sets of gate lines and rows of the pixel electrode arrays are alternately arranged with each other in the column direction. The plurality of sets of data lines and columns of the pixel regions are alternately arranged with each other in the row direction.

公开(公告)号：US11362144B2

公开(公告)日：2022-06-14

申请号：US16611245

申请日：2019-02-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52 ,  H01L51/56

Abstract: A display panel, a method for fabricating the same, and a display device are provided. The display panel includes: a base substrate, and a plurality of pixels in an array on the base substrate, wherein each pixel includes a plurality of sub-pixels; each sub-pixel includes: a reflecting element on the base substrate, a first electrode on the reflecting element, a light-emitting element on the first electrode, and a second electrode on the light-emitting element; and in each of the pixels, micro-cavity lengths corresponding to the sub-pixels are different, wherein the micro-cavity length is the distance between the side of the reflecting element away from the base substrate and the side of the second electrode proximate to the base substrate.

公开(公告)号：US11308876B2

公开(公告)日：2022-04-19

申请号：US16491547

申请日：2019-03-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Minghua Xuan ,  Xiaochuan Chen ,  Lei Wang ,  Zheng Fang ,  Li Xiao ,  Liang Chen ,  Shengji Yang ,  Pengcheng Lu

IPC: G09G3/3233

Abstract: A pixel driving circuit including: N pixel circuits each including a first node and a power supply terminal, N being an integer greater than 1; and N multiplexing circuits configured to selectively couple a data line to the first nodes of the N pixel circuits. A first one of the N multiplexing circuits includes a multiplexing control circuit, and a second one to an N-th one of the N multiplexing circuits include respective multiplexing control circuits and respective reset circuits. The reset circuit of a (j+1)-th one of the N multiplexing circuits is configured to reset the first node of a (j+1)-th one of the N pixel circuits with a power supply voltage in response to a j-th multiplexing control signal being active, j being an integer and 1≤j

公开(公告)号：US11289669B2

公开(公告)日：2022-03-29

申请号：US16643354

申请日：2019-08-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu ,  Kuanta Huang

IPC: H01L51/50 ,  H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: The present disclosure provides a light-emitting device, a pixel unit, a method for manufacturing the pixel unit, and a display device. The light-emitting device comprises a first electrode, an organic light-emitting layer and a second electrode which are sequentially disposed on a substrate; the first electrode comprises a reflecting layer, a transparent insulating layer and a transparent contact layer which are sequentially disposed on the substrate; and the second electrode is a semi-transparent electrode, so that a cavity is formed between the second electrode and the reflecting layer.

公开(公告)号：US11227544B2

公开(公告)日：2022-01-18

申请号：US16487376

申请日：2019-01-14

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shengji Yang ,  Xue Dong ,  Xiaochuan Chen ,  Hui Wang ,  Pengcheng Lu

IPC: G09G3/3233

Abstract: The disclosure discloses a pixel circuit, an electroluminescent display panel, driving methods thereof, and a display device. An initialization circuit, a photosensitive drive circuit, a photosensitive output circuit, and a photosensitive device are provided in the pixel circuit. Under the control of a second control signal terminal, an initialization signal provided by an initialization signal terminal is transmitted to a third node by the initialization circuit; under the control of a potential of the third node, the photosensitive drive circuit outputs a corresponding electrical signal; and under the control of a first gate signal terminal, the photosensitive output circuit transmits the electrical signal output by the photosensitive drive circuit to a reading signal terminal.

公开(公告)号：US11227534B2

公开(公告)日：2022-01-18

申请号：US16611742

申请日：2019-03-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Lei Wang ,  Minghua Xuan ,  Xiaochuan Chen ,  Shengji Yang ,  Liang Chen ,  Li Xiao ,  Zheng Fang ,  Detao Zhao ,  Pengcheng Lu

IPC: G09G3/32

Abstract: A display driving circuit includes N levels of display driving sub-circuits and N levels of switching sub-circuits. Each display driving sub-circuit is connected to a corresponding switching sub-circuit. An nth-level display driving sub-circuit includes an nth-level gate driving sub-circuit and an nth-level light-emitting control sub-circuit. An nth-level switching sub-circuit includes an nth-level gate driving switching sub-circuit and an nth-level light-emitting, control switching sub-circuit. The nth-level gate driving switching sub-circuit is configured to enable an nth-level gate driving signal output end to be electrically connected to a (2n−1)th gate line or a 2nth gate line. The nth-level light-emitting control switching sub-circuit is configured to enable an nth-level light-emitting control signal output end to be electrically connected to a (2n−1)th light-emitting control line or a 2nth light-emitting control line, where N is an integer greater than 1, and n is a positive integer smaller than or equal to N.