公开(公告)号：US10403187B2

公开(公告)日：2019-09-03

申请号：US15720038

申请日：2017-09-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongxu Han ,  Tieshi Wang ,  Pan Xu ,  Wenchao Bao ,  Chi Zhang ,  Zhongyuan Wu

IPC: G09G3/20 ,  G09G3/32 ,  G09G3/36 ,  H04N9/67 ,  G09G3/34 ,  G09G3/00 ,  G09G3/30

Abstract: A gamma voltage debugging method for an electroluminescent display device, including: turning on sub-pixels in a test region to a maximum luminance value, and recording a driving current of an electroluminescent element at this time as a maximum reference current; calculating reference current values corresponding to respective gray scales according to the maximum reference current and a preset formula; and driving the sub-pixels in the test region to emit light, and for each driving current equal to a reference current value, recording a driving voltage value corresponding to the gray scale value as a gamma voltage resulted from the debugging.

公开(公告)号：US20190132583A1

公开(公告)日：2019-05-02

申请号：US16097815

申请日：2018-02-12

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Quanhu Li ,  Yicheng Lin ,  Yu Wang ,  Yue Wu ,  Song Meng ,  Yongqian Li ,  Pan Xu

IPC: H04N13/398 ,  G09G3/3233 ,  G09G3/36 ,  H04N13/302

Abstract: A 3D display driving method, a 3D display driving device and a display device are provided. The 3D display driving method includes, during each display period: within a display duration (2n−1)th for a left-eye image of a left-eye image frame, scanning a first gate line in an nth group of gate lines, and within a part of the display duration (2n−1)th for the left-eye image, scanning a second gate line in the nth group of gate lines; and within a display duration (2n)th for a right-eye image of a right-eye image frame, scanning the second gate line in the nth group of gate lines, n being a positive integer smaller than or equal to M, and M being an integer greater than 1.

公开(公告)号：US09704436B2

公开(公告)日：2017-07-11

申请号：US14917158

申请日：2015-08-19

Applicant: BOE TECHNOLOGY GROUP CO., LTD. ,  HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.

Inventor： Pan Xu ,  Yongqian Li

IPC: G09G3/30 ,  G09G3/3258 ,  G09G3/32 ,  G09G3/325 ,  G09G3/3291

CPC classification number: G09G3/3258 ,  G09G3/32 ,  G09G3/3233 ,  G09G3/325 ,  G09G3/3291 ,  G09G2300/043 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0852 ,  G09G2300/0866 ,  G09G2310/0251 ,  G09G2310/08 ,  G09G2330/021

Abstract: The present invention provides a pixel circuit, a driving method thereof, an array substrate, and a display device. The pixel circuit comprises: a reset unit, configured to output a reference signal; a data writing unit, configured to output a data signal; a compensation unit, which is connected to the reset unit and the data writing unit as well as an output node, and receives a power voltage signal, and a light-emitting unit, which is connected to the output node and a cathode of a power supply and configured to emit light under the drive of the light emission drive signal in a light emission phase.

公开(公告)号：US12274137B2

公开(公告)日：2025-04-08

申请号：US17640230

申请日：2021-01-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pan Xu ,  Dacheng Zhang ,  Xing Zhang

IPC: H01L29/08 ,  G09G3/3233 ,  H10K59/12 ,  H10K59/121 ,  H10K59/131 ,  H10K59/35

Abstract: A display substrate and a display device, include: a base substrate, which includes a display area, and a bonding area (BA) disposed on one side of the display area; a plurality of gate lines, a plurality of data lines, a plurality of lead lines, the plurality of lead lines each is respectively electrically connected with a respective one of the plurality of data lines, each of the plurality of lead lines includes a first portion extending in the second direction, and orthographic projections of at least part of the first portions on the base substrate do not overlap with orthographic projections of the data lines on the base substrate.

公开(公告)号：US20250078762A1

公开(公告)日：2025-03-06

申请号：US18579920

申请日：2023-03-31

Applicant: BOE Technology Group Co., Ltd.

Inventor： Donghui Zhao ,  Pan Xu ,  Ying Han ,  Xing Zhang ,  Chengyuan Luo ,  Guangshuang Lv ,  Cheng Xu ,  Hongli Wang ,  Tong Wu ,  Dandan Zhou

IPC: G09G3/3258 ,  G11C19/28

Abstract: A grid-driving-circuit array is applied to a display panel, the display panel is delimited into a plurality of active areas, and each of the active areas includes multiple rows of pixel units and multiple rows of grid lines. The multiple groups of grid driving units supply grid driving signals to the plurality of active areas, and each of the groups of grid driving units includes one or more grid driving circuits. The one or more grid driving circuits are configured for supplying the grid driving signals to the grid lines within the active area corresponding to the one or more grid driving circuits. One or more multiplexers, wherein each of the multiplexers includes a plurality of frame-starting-up-signal outputting units, each of the frame-starting-up-signal outputting units of the multiplexer is configured for supplying a frame starting-up signal to one of the grid driving circuits.

公开(公告)号：US12193274B2

公开(公告)日：2025-01-07

申请号：US17512380

申请日：2021-10-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying Wang ,  Pan Xu ,  Xing Zhang ,  Ying Han ,  Zhan Gao ,  Zhen Song

IPC: H10K59/122 ,  H01L27/12 ,  H10K50/824 ,  H10K59/12 ,  H10K59/121 ,  H10K59/124 ,  H10K59/38 ,  H10K71/00

Abstract: The present disclosure provides a display substrate, a display device and a manufacturing method thereof. The display substrate includes a first substrate, a pixel defining layer on the first substrate and including a plurality of sub-pixel openings, and at least one recess on a side of the display substrate away from the first substrate. An orthographic projection of the at least one recess on the first substrate and orthographic projections of the plurality of sub-pixel openings on the first substrate do not overlap.

公开(公告)号：US12156437B2

公开(公告)日：2024-11-26

申请号：US18538138

申请日：2023-12-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying Wang ,  Zhen Song ,  Yicheng Lin ,  Xing Zhang ,  Pan Xu ,  Ling Wang ,  Ying Han

IPC: H10K71/00 ,  H10K59/121 ,  H10K59/122 ,  H10K59/124 ,  H10K59/12

Abstract: An organic light-emitting diode (OLED) display substrate, a manufacturing method thereof and a display panel are provided. The OLED display substrate has pixel regions and includes a base substrate and a pixel defining layer disposed on the base substrate; in regions of the pixel defining layer corresponding to the pixel regions, accommodation parts penetrating the pixel defining layer are disposed, and the pixel defining layer is further provided with guide parts disposed corresponding to the accommodation parts, the guide parts are located on a periphery of the corresponding accommodation parts and formed by recessed areas which are formed on a side of the pixel defining layer away from the base substrate, the recessed areas do not penetrate the pixel defining layer, and an orthographic projection of the guide part on the base substrate is directly coupled to an orthographic projection of the corresponding accommodation part on the base substrate.

公开(公告)号：US12127454B2

公开(公告)日：2024-10-22

申请号：US18261880

申请日：2022-09-06

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ying Han ,  Pan Xu ,  Xing Zhang ,  Chengyuan Luo ,  Donghui Zhao ,  Mingi Chu

IPC: H10K59/131 ,  G09G3/3233

CPC classification number: H10K59/131 ,  G09G3/3233 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/08 ,  G09G2320/0233

Abstract: A display substrate includes: a base substrate, a plurality of pixel units and a plurality of initialization voltage signal lines. The pixel units are arranged in an array to form a plurality of rows of pixel units and a plurality of columns of pixel units, at least one pixel unit includes sub-pixels, and at least one sub-pixel includes a light-emitting element and a pixel driving circuit. The initialization voltage signal lines are configured to provide initialization voltage signals to the plurality of rows of pixel units respectively, and are arranged at intervals along a second direction. At least one initialization voltage signal line extends along a first direction. The plurality of rows of pixel units include a (2n−1)th row and a 2nth row and pixel driving circuits of the (2n−1)th row and pixel driving circuits of the 2nth rows share a common initialization voltage signal line.

公开(公告)号：US20240324353A1

公开(公告)日：2024-09-26

申请号：US18578202

申请日：2023-05-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying Han ,  Pan Xu ,  Xing Zhang ,  Chengyuan Luo ,  Donghui Zhao ,  Dacheng Zhang

IPC: H10K59/131 ,  H10K59/80

CPC classification number: H10K59/131 ,  H10K59/80516

Abstract: A display panel includes a substrate, an auxiliary electrode, a connection portion, a light-emitting layer and a cathode layer. The connection portion includes a first connection pattern connected to the auxiliary electrode, a second connection pattern, and a third connection pattern that are sequentially stacked. An edge of the second connection pattern is indented inward relative to an edge of the third connection pattern. The light-emitting layer includes a first light-emitting pattern and a second light-emitting pattern. The first light-emitting pattern is located around and separated from the second light-emitting pattern. The second light-emitting pattern is located on a side of the third connection pattern away from the substrate. The cathode layer passes through a gap between the first light-emitting pattern and the second light-emitting pattern to be in electrical contact with the at least one of the first connection pattern, the second connection pattern and the third connection pattern.

公开(公告)号：US20240292695A1

公开(公告)日：2024-08-29

申请号：US18025263

申请日：2022-05-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xing Zhang ,  Pan Xu ,  Ying Han ,  Chengyuan Luo ,  Donghui Zhao

IPC: H10K59/131 ,  H10K59/12 ,  H10K59/122 ,  H10K59/124 ,  H10K102/00

CPC classification number: H10K59/1315 ,  H10K59/1201 ,  H10K59/122 ,  H10K59/124 ,  H10K2102/3026

Abstract: Light-emitting base plate and method for preparing the same and a light-emitting device is provided, relating to the field of display technology. The light-emitting base plate includes a substrate, a functional layer disposed at one side of the substrate, and a first insulating layer and a first electrode layer stacked at one side of the functional layer away from the substrate, the first insulating layer is located between the functional layer and the first electrode layer; wherein the functional layer includes: a first electrode wiring located at the display area, an electrode signal bus located at the frame area, and an electrode signal leading wire connecting the first electrode wiring and the electrode signal bus; the first electrode layer is connected to the first electrode wiring by a first via hole provided at the first insulating layer.