公开(公告)号：US20250140201A1

公开(公告)日：2025-05-01

申请号：US18692042

申请日：2022-09-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin Liu ,  Yu Feng ,  Shiming Shi ,  Dawei Wang ,  Haijun Qiu ,  Jingquan Wang ,  Xing Yao

IPC: G09G3/3266

Abstract: A display panel includes pixel circuits, first shift register(s), second shift register(s), third shift register(s), and fourth shift register(s). A pixel circuit includes a driving transistor, a bias sub-circuit, a data writing sub-circuit, a compensation sub-circuit, a leakage prevention sub-circuit, a reset sub-circuit, and a light-emission control sub-circuit. The bias sub-circuit is electrically connected to a first shift register, which transmits a first scanning signal to the bias sub-circuit. The data writing and compensation sub-circuits are electrically connected to a second shift register, which transmits a second scanning signal to the data writing and compensation sub-circuits. The leakage prevention sub-circuit is electrically connected to a third shift register, which transmits a third scanning signal to the leakage prevention sub-circuit. The light-emission control sub-circuit is electrically connected to a fourth shift register, which transmits a fourth scanning signal to the light-emission control sub-circuit.

公开(公告)号：US20250107342A1

公开(公告)日：2025-03-27

申请号：US18729631

申请日：2023-09-22

Applicant: Beijing BOE Technology Development Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Hejin Wang ,  Dengyun Chen ,  Zheng Liu ,  Shiming Shi

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80

Abstract: A display panel includes a base substrate; an anode material layer including an anode of a light emitting element on the base substrate; a pixel definition layer on a side of the anode material layer away from the base substrate, and defining a subpixel aperture; an organic material layer at least partially in the subpixel aperture and on a side of the anode away from the base substrate; a cathode layer on a side of the organic material layer away from the base substrate; and a first auxiliary cathode layer on a side of the pixel definition layer away from the base substrate. The first auxiliary cathode layer is connected to the cathode layer, and includes a conductive material. An orthographic projection of the first auxiliary cathode layer on the base substrate at least partially overlaps with an orthographic projection of the pixel definition layer on the base substrate.

公开(公告)号：US12223906B2

公开(公告)日：2025-02-11

申请号：US17788725

申请日：2021-07-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin Liu ,  Shiming Shi ,  Xiyu Zhao ,  Yu Feng ,  Li Wang

IPC: G09G3/3258 ,  G09G3/3225 ,  H10K59/121

Abstract: A pixel circuit, a driving method and a display device. The pixel circuit includes a driving circuit, a first control circuit, a compensation control circuit and a first initialization circuit; the first control circuit is configured to control to connect the control end of the driving circuit and the connection node under the control of a first scan signal; the compensation control circuit is configured to control to connect the connection node and the first end of the driving circuit under the control of a second scan signal; the first initialization circuit is configured to write a first initialization voltage into the connection node under the control of an initialization control signal; the driving circuit is configured to control to connect the first end and a second end of the driving circuit under the control of a potential of the control end thereof.

公开(公告)号：US12169421B2

公开(公告)日：2024-12-17

申请号：US17920740

申请日：2021-06-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Linlin Xu ,  Shangchieh Chu ,  Shiming Shi

IPC: G06F1/16 ,  H04M1/02 ,  H04B1/3888

Abstract: Disclosed are a display module and a display device. The display module includes a rear shell and an intermediate frame, and a display screen, an ultra-thin protective cover plate, and a protective film. The rear shell has a back plate and a first folded edge bent and extending from the edge of the back plate to the side of the display screen. The intermediate frame is located in a region enclosed by the back plate and the first folded edge. The ultra-thin protective cover plate has a first surface away from the side of the display screen, and a side surface located on the edge. The protective film includes a first part attached to the first surface of the ultra-thin protective cover plate, and a second part coating the side surface of the ultra-thin protective cover plate.

公开(公告)号：US20240324395A1

公开(公告)日：2024-09-26

申请号：US18557133

申请日：2022-12-16

Applicant: BOE Technology Group Co., Ltd.

Inventor： Linlin Xu ,  Yonghong Zhou ,  Shangchieh Chu ,  Shiming Shi ,  Meiling Gao

IPC: H10K59/80 ,  H10K59/12 ,  H10K102/00

CPC classification number: H10K59/80 ,  H10K59/1201 ,  H10K2102/311

Abstract: A display apparatus, a supporting member provided in the display apparatus, a method of manufacturing a supporting member, and an electronic device are provided. The display apparatus includes: a display panel, including a bendable region and a non-bending region; and a supporting member on a back of the display panel. The supporting member includes: a bendable portion configured to support the bendable region, where at least one side of the bendable portion is provided with a first groove; and a supporting portion connected to the bendable portion through the first groove, and configured to support the non-bending region. A density of a material of the bendable portion is different from a density of a material the supporting portion.

公开(公告)号：US12101979B2

公开(公告)日：2024-09-24

申请号：US17435363

申请日：2021-03-15

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiangnan Lu ,  Libin Liu ,  Jie Zhang ,  Mei Li ,  Yuhan Qian ,  Shiming Shi

IPC: H10K59/12 ,  H10K50/813 ,  H10K50/824 ,  H10K59/131 ,  H10K71/00 ,  H10K59/35

CPC classification number: H10K59/1315 ,  H10K50/813 ,  H10K50/824 ,  H10K71/00 ,  H10K59/1201 ,  H10K59/351

Abstract: The display substrate includes: a substrate, an auxiliary cathode layer, a first insulating layer, an anode layer, a second insulating layer, and a cathode layer that are sequentially stacked on the substrate in a direction away from the substrate; the anode layer includes a plurality of anode patterns spaced apart from each other, and an anode spacing area is formed between adjacent anode patterns; an orthographic projection of the auxiliary cathode layer on the substrate and an orthographic projection of the cathode layer on the substrate have an auxiliary overlapping area, and the auxiliary cathode layer is electrically connected to the cathode layer through a connection via hole in the auxiliary overlapping area; an orthographic projection of the connection via hole on the substrate is located inside the orthographic projection of the anode spacing area on the substrate.

公开(公告)号：US12082481B2

公开(公告)日：2024-09-03

申请号：US17262004

申请日：2020-03-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Shiming Shi ,  Zhao Li

IPC: H10K59/40 ,  H10K50/86 ,  H10K77/00 ,  H10K77/10 ,  H10K102/00

CPC classification number: H10K77/111 ,  H10K50/86 ,  H10K59/40 ,  H10K2102/311

Abstract: A flexible display device and an electronic device are provided. The flexible display device includes: a flexible display panel; a plurality of functional members on a side of the flexible display panel, including a first functional member, a second functional member, and a third functional member; a back film on the other side of the flexible display panel; a supporting member on a side of the back film away from the flexible display panel; and a plurality of adhesive layers, including a first adhesive layer, a second adhesive layer, a third adhesive layer, a fourth adhesive, and a fifth adhesive layer. The third functional member includes a touch module including a touch substrate, a sensor layer, and an adhesive material layer between the sensor layer and the touch substrate, the modulus of the adhesive material layer is not less than the modulus of each of five adhesive layers.

公开(公告)号：US11972711B2

公开(公告)日：2024-04-30

申请号：US17415717

申请日：2020-12-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Tian Dong ,  Shiming Shi ,  Bo Wang ,  Jingquan Wang

IPC: G09G3/20

CPC classification number: G09G3/20 ,  G09G2300/043 ,  G09G2310/08 ,  G09G2320/0252

Abstract: Provided are a display panel, a drive method thereof and a display apparatus. The display panel includes M*N display units disposed in an array defined by intersections of (M+1) gate lines and N pairs of data lines, and each pair of data lines include a first data line and a second data line; in an mth display row, display units of odd display columns are connected to an mth gate line, and display units of even display columns are connected to an (m+1)th gate line; in an nth display column, display units of odd display rows are connected to first data lines of an nth pair of data lines, and display units of even display rows are connected to second data lines of the nth pair of data lines.

公开(公告)号：US11869424B2

公开(公告)日：2024-01-09

申请号：US17415758

申请日：2020-12-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Libin Liu ,  Yu Feng ,  Shiming Shi

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0439 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/0233

Abstract: The present disclosure relates to the field of display technology, and proposes a pixel driving circuit, a pixel structure, and a display panel. The pixel driving circuit includes a plurality of driving transistors. For each driving transistor the first terminal is connected to a first power terminal, the second terminal is connected to a first node, and the control terminal is connected to a second node, so as to input current to the first node under the effect of the voltage at the second node. The low pixel density area of the display panel can be provided with the above-mentioned pixel driving circuit, so that the brightness difference between the low pixel density area and the high pixel density area can be avoided.

公开(公告)号：US11763740B2

公开(公告)日：2023-09-19

申请号：US17762330

申请日：2021-04-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Guangliang Shang ,  Libin Liu ,  Tian Dong ,  Jiangnan Lu ,  Shiming Shi

IPC: G09G3/20 ,  G09G3/3208 ,  G11C19/28 ,  G09G3/3225

CPC classification number: G09G3/3225 ,  G11C19/28 ,  G09G2300/0426 ,  G09G2300/0852 ,  G09G2310/0286 ,  G09G2310/08 ,  G09G2320/0223 ,  G09G2320/0233 ,  G09G2320/0247

Abstract: The present disclosure provides a signal generation circuit, a signal generation method, a signal generation module and a display device. The signal generating circuit includes an input terminal, a signal output terminal, a transmission control circuit, a first output circuit, and an output control circuit; the output control circuit is electrically connected to a first output control terminal, a second output control terminal, a second voltage terminal, the signal writing-in terminal, the signal output terminal and the first voltage terminal, configured to control to connect the signal writing-in terminal and the second voltage terminal under the control of a second output control signal provided by the second output control terminal, and control to connect the signal output terminal and the first voltage terminal under the control of a first output control signal provided by the first output control terminal. The present disclosure expands an adjustment range of frequency of a PWM signal.