公开(公告)号：US11980069B2

公开(公告)日：2024-05-07

申请号：US17260250

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiao Bai ,  Shengji Yang ,  Pengcheng Lu

IPC: H10K59/131 ,  H05K1/18 ,  H10K77/10

CPC classification number: H10K59/131 ,  H05K1/189 ,  H10K77/111

Abstract: A display includes a display substrate and a flexible circuit board. The display substrate includes a silicon substrate, a driving circuit of which at least part is embedded in the silicon substrate, and a first pad electrically connected with the driving circuit. The driving circuit includes a transistor with a semiconductor layer; the flexible circuit board includes a flexible substrate, a first wiring layer, and a first reinforcement plate. The first wiring layer includes a main wiring portion and a second pad electrically connected with the main wiring portion, and the second pad is electrically connected with the first pad by a conductive adhesive layer. The first reinforcement plate covers the main wiring portion and does not cover the second pad. The first reinforcement plate is located outside the display substrate and there is a non-zero distance between the first reinforcement plate and the display substrate.

公开(公告)号：US11871625B2

公开(公告)日：2024-01-09

申请号：US17266625

申请日：2020-03-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pengcheng Lu ,  Shengji Yang ,  Kuanta Huang ,  Xiaochuan Chen ,  Yage Song ,  Yanming Wang ,  Hui Wang ,  Dongdong Duan ,  Jiantong Li ,  Xiao Bai ,  Yunlong Li ,  Shuai Tian ,  Zhijian Zhu ,  Yu Ao ,  Junbo Wei ,  Chao Pu ,  Yuanlan Tian

IPC: H01L23/00 ,  H10K59/131 ,  H10K59/12

CPC classification number: H10K59/131 ,  H10K59/1201

Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a silicon-based substrate and an array structure layer arranged on the silicon-based substrate; a driving transistor and a first power line being arranged in the silicon-based substrate in the display area, a light emitting element being disposed on the array structure layer in the display area, a first electrode of the driving transistor being connected with the first power line, and a second electrode of the driving transistor being connected with an anode of the light emitting element; a power supply electrode and a second power line being arranged in the silicon-based substrate in the peripheral area, the power supply electrode being connected with the second power line.

公开(公告)号：US20210134225A1

公开(公告)日：2021-05-06

申请号：US16817575

申请日：2020-03-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiao Bai ,  Shengji Yang ,  Weihai Wang

IPC: G09G3/3266

Abstract: The embodiments of the present disclosure provide a display driving circuit, a method for driving the same, and a display device. The display driving circuit includes: a plurality of pixel driving sub-circuits, wherein each of the plurality of pixel driving sub-circuits is configured to drive a light-emitting device electrically coupled thereto. The plurality of pixel driving sub-circuits are divided into at least one group of pixel driving sub-circuits, each group of pixel driving sub-circuits is electrically coupled to receive the same scanning signal, and comprises at least two rows of pixel driving sub-circuits; and all the pixel driving sub-circuits in each group of pixel driving sub-circuits are electrically coupled to receive respective data signals, so that when any group of pixel driving sub-circuits is active under control of the scanning signal, respective data signals are written into the group of pixel driving sub-circuits simultaneously.

公开(公告)号：US11997891B2

公开(公告)日：2024-05-28

申请号：US17259465

申请日：2020-03-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li Liu ,  Pengcheng Lu ,  Rongrong Shi ,  Yuanlan Tian ,  Xiao Bai ,  Dacheng Zhang

IPC: H10K59/131 ,  H10K59/12 ,  H10K71/00

CPC classification number: H10K59/131 ,  H10K71/00 ,  H10K59/1201

Abstract: Provided is display substrate, including driving circuit board, and first electrode layer, insulating layer, second electrode layer, isolation layer, transparent conductive layer sequentially stacked thereon. Driving circuit board includes pixel and bonding regions. First electrode layer includes first sub-portion in bonding region and second sub-portion in pixel region. Insulating and isolation layers are partially cover bonding and pixel regions. Insulating layer has first via hole in area corresponding to first sub-portion. Isolation layer has second via hole in the area. Axes of first and second via holes coincide, first sub-portion is exposed at first and second via holes. Second electrode layer is in pixel region, coupled to second sub-portion through third via hole in area corresponding to second sub-portion. Isolation layer has fourth via hole in area corresponding to second electrode layer. Transparent conductive layer is in pixel region, coupled to second electrode layer through fourth via hole.

公开(公告)号：US11521559B2

公开(公告)日：2022-12-06

申请号：US17258892

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiao Bai ,  Shengji Yang ,  Pengcheng Lu

IPC: G09G3/3275

Abstract: The present disclosure relates to a display panel and a driving method thereof. The display panel includes a source driving circuit and a pixel driving circuit. The source driving circuit includes a DAC power amplifier, and a switch unit. The DAC is configured to convert a digital data signal into an analog data signal; the power amplifier is configured to receive the analog data signal and improve a driving capability of the analog data signal; the switch unit is connected to the DAC, the power amplifier, and a control signal terminal, and is configured to connect the DAC to the power amplifier in response to a signal of the control signal terminal. The pixel driving circuit includes a data signal terminal; an output terminal of the power amplifier is connected to the data signal terminal, and is configured to input the analog data signal with improved driving capability to the data signal terminal.

公开(公告)号：US20240397805A1

公开(公告)日：2024-11-28

申请号：US18271538

申请日：2022-07-27

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

Inventor： Chao Pu ,  Shengji Yang ,  Xiaochuan Chen ,  Kuanta Huang ,  Pengcheng Lu ,  Junyan Yang ,  Dachao Li ,  Rongrong Shi ,  Junbo Wei ,  Xiao Bai ,  Bo Yang ,  Bin Wu ,  Shengdi Zhu ,  Yanqiang Ding ,  Zhicheng Guo ,  Yun Zhu

IPC: H10K59/88 ,  G02B27/01 ,  G09G3/00 ,  H10K59/126 ,  H10K59/131

Abstract: A display panel, a displaying device and a wearable device. The display panel includes a displaying region and a peripheral region surrounding the displaying region, a region of the peripheral region other than the bonding sub-region includes a first testing-unit group and a second testing-unit group, and each of the first testing-unit group and the second testing-unit group includes one or more circuit testing units; the displaying region includes a first lateral side and a second lateral side that extend in a first direction and face each other, the first direction refers to a direction from the bonding sub-region pointing to the displaying region; and a maximum distance from the first testing-unit group to the first lateral side in a direction perpendicular to the first direction is equal to a maximum distance from the second testing-unit group to the second lateral side in the direction perpendicular to the first direction.

公开(公告)号：US11963406B2

公开(公告)日：2024-04-16

申请号：US17259254

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiao Bai ,  Shengji Yang ,  Kuanta Huang ,  Pengcheng Lu

IPC: H10K59/131 ,  H05K1/18 ,  H10K50/87

CPC classification number: H10K59/131 ,  H05K1/189 ,  H10K50/87

Abstract: A display includes a circuit board structure including a first circuit board and a second circuit board. The first circuit board has a carrying region and an electrical connection region on which a first pad is disposed. The second circuit board has a first region and a second region, the first region is arranged on the electrical connection region and is electrically connected to the first pad, and the second region is electrically connected to the driving terminal. The rigidity of the second circuit board is less than that of the first circuit board. The display substrate is in the carrying region and includes a silicon substrate in which a driving circuit is partially embedded, and a second pad electrically connected to the driving circuit. The driving circuit includes a transistor having a semiconductor layer which is inside the silicon substrate. The second pad is electrically connected to the first pad.

公开(公告)号：US11600224B2

公开(公告)日：2023-03-07

申请号：US17260254

申请日：2020-03-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiao Bai ,  Shengji Yang ,  Pengcheng Lu

IPC: G09G3/00 ,  G09G3/36 ,  G09G3/20 ,  G11C19/28 ,  G09G3/32 ,  G09G3/3225

Abstract: The present disclosure relates to the field of display technology, and proposes a gate driving circuit and a driving method thereof, and a display panel. The gate driving circuit includes a plurality of cascaded shift register units and switch unit groups. Each of the shift register units and at least one row of pixel units are correspondingly arranged; and switch unit group are arranged between at least a part of adjacent two shift register units. The switch unit group includes a first switch unit and a second switch unit. The first switch unit is used to turn on the output terminal of the shift register unit of the previous stage and the input terminal of the shift register unit of the adjacent next stage in response to a control signal; and the second switch unit is used to turn on the output terminal of the shift register unit of the previous stage and the output terminal of the shift register unit of the adjacent next stage in response to a control signal, wherein the first switch unit and the second switch unit are turned on selectively during a driving period.

公开(公告)号：US11069300B2

公开(公告)日：2021-07-20

申请号：US16817575

申请日：2020-03-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiao Bai ,  Shengji Yang ,  Weihai Wang

IPC: G09G3/32 ,  G09G3/3266

Abstract: The embodiments of the present disclosure provide a display driving circuit, a method for driving the same, and a display device. The display driving circuit includes: a plurality of pixel driving sub-circuits, wherein each of the plurality of pixel driving sub-circuits is configured to drive a light-emitting device electrically coupled thereto. The plurality of pixel driving sub-circuits are divided into at least one group of pixel driving sub-circuits, each group of pixel driving sub-circuits is electrically coupled to receive the same scanning signal, and comprises at least two rows of pixel driving sub-circuits; and all the pixel driving sub-circuits in each group of pixel driving sub-circuits are electrically coupled to receive respective data signals, so that when any group of pixel driving sub-circuits is active under control of the scanning signal, respective data signals are written into the group of pixel driving sub-circuits simultaneously.

公开(公告)号：US12219697B2

公开(公告)日：2025-02-04

申请号：US17598232

申请日：2021-04-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiao Bai ,  Shengji Yang ,  Kuanta Huang ,  Pengcheng Lu

IPC: H05K1/02 ,  H05K1/18 ,  H10K59/131 ,  H01L23/00

Abstract: A display assembly includes: a display panel including a driving circuit and a first pad; and a flexible circuit board including a flexible base plate, a first wiring layer and a first reinforcement plate. The first wiring layer is on the flexible base plate and includes a main routing portion and a second pad, and the first reinforcement plate is on a side of the first wiring layer distal to the flexible base plate; an orthogonal projection of the main routing portion on the flexible base plate is within an orthogonal projection of the first reinforcement plate on the flexible base plate; the second pad is connected to the main routing portion, and is electrically connected to the first pad; the first reinforcement plate is outside the display panel and has a first edge proximal to the display panel The first edge includes convex and concave portions alternately arranged.