公开(公告)号：US20190005881A1

公开(公告)日：2019-01-03

申请号：US15744476

申请日：2017-06-14

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Han YUE ,  Xiaochuan CHEN ,  Shengji YANG ,  Dongni LIU ,  Lei WANG ,  Jie FU ,  Pengcheng LU ,  Li XIAO

IPC: G09G3/3241

Abstract: A pixel circuit and a driving method thereof, a display panel. The pixel circuit includes a driving circuit, a light emitting circuit and a short-circuit protection circuit. The short-circuit protection circuit is connected in series between the driving circuit and the light emitting circuit, and the short-circuit protection circuit is configured to obtain an input terminal signal of the light emitting circuit and disconnect or connect an input signal branch of the light emitting circuit according to the obtained input terminal signal of the light emitting circuit.

公开(公告)号：US20180108860A1

公开(公告)日：2018-04-19

申请号：US15715323

申请日：2017-09-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jie FU ,  Xiaochuan CHEN ,  Shengji YANG ,  Dongni LIU ,  Lei WANG ,  Li XIAO ,  Pengcheng LU ,  Han YUE

IPC: H01L51/52 ,  H01L27/32 ,  H05B33/08

CPC classification number: H01L51/5221 ,  H01L27/3206 ,  H01L27/3276 ,  H01L51/5206 ,  H05B33/0896

Abstract: A display substrate, a display panel and a display device are provided. The display substrate includes: a base substrate including a plurality of display units, wherein each of the plurality of display units is provided with an anode, an organic light-emitting layer and a cathode, wherein anodes of different display units are separated from each other; a plurality of cathode lines connected to the driving ICs, wherein the cathode lines are arranged between the cathode and the base substrate; an insulating layer arranged between the cathode lines and the cathodes, wherein a plurality of cathode windows corresponding to the cathode lines formed in the insulating layer, wherein at least part of the plurality of cathode windows respectively corresponds to at least two display regions, a cathode at each of the display region is connected to the respective cathode line via the cathode window corresponding to the display region.

公开(公告)号：US20160313615A1

公开(公告)日：2016-10-27

申请号：US15135776

申请日：2016-04-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Xiaolin WANG ,  Hui ZHANG ,  Li XIAO

IPC: G02F1/1343 ,  G02F1/1368 ,  G02F1/1333 ,  H01L27/12 ,  G02F1/1362

CPC classification number: G02F1/134309 ,  G02F1/133345 ,  G02F1/136227 ,  G02F1/136286 ,  G02F2001/134345 ,  G02F2001/136218 ,  H01L27/124 ,  H01L27/1262

Abstract: The present disclosure provides a pixel structure, an array substrate and a display device and a method for manufacturing the same. The pixel structure includes a pixel electrode layer and signal lines. The pixel electrode layer is divided into a plurality of domain display areas. Each domain display area includes a plurality of bar-like electrodes which extend with a given angle. The signal lines are in a layer different from the pixel electrode layer. Dividing lines of at least a part of the domain display areas in the pixel electrode layer are in areas covered by the signal lines.

Abstract translation: 本公开提供了像素结构，阵列基板和显示装置及其制造方法。 像素结构包括像素电极层和信号线。 像素电极层被分成多个域显示区域。 每个域显示区域包括以给定角度延伸的多个棒状电极。 信号线处于与像素电极层不同的层中。 像素电极层中的域显示区域的至少一部分的分割线在信号线所覆盖的区域中。

公开(公告)号：US20250081609A1

公开(公告)日：2025-03-06

申请号：US18555254

申请日：2022-12-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Li XIAO ,  Haoliang ZHENG ,  Minghua XUAN ,  Jiao ZHAO ,  Yuzhen GUO ,  Xiaorong CUI ,  Chenyang ZHANG

IPC: H01L27/12 ,  G09G3/20 ,  G09G3/32 ,  H01L25/16

Abstract: A display substrate, a manufacturing method thereof and a display apparatus are provided. The display substrate includes a plurality of circuit units (Q), the plurality of circuit units (Q) includes at least a first circuit unit (Q1), a second circuit unit (Q2) and a third circuit unit (Q3), wherein the first circuit unit (Q1) includes at least a first drive transistor (DTFT1), the second circuit unit (Q2) includes at least a second drive transistor (DTFT2), the third circuit unit (Q3) includes at least a third drive transistor (DTFT3), the channel width of the first drive transistor (DTFT1) is larger than that of the second drive transistor (DTFT2) or the third drive transistor (DTFT3), and the channel length of the first drive transistor (DTFT1) is the same as that of the second drive transistor (DTFT2) or the third drive transistor (DTFT3).

公开(公告)号：US20250014503A1

公开(公告)日：2025-01-09

申请号：US18275555

申请日：2022-09-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jiao ZHAO ,  Yuzhen GUO ,  Haoliang ZHENG ,  Li XIAO ,  Chenyang ZHANG ,  Xiaorong CUI ,  Minghua XUAN ,  Wanzhi CHEN ,  Yan QU

IPC: G09G3/32

Abstract: A pixel circuit, a pixel driving method and a display device are provided. The pixel circuit includes a driving circuit, a light emitting element and a light emitting gating control circuit; the driving circuit is electrically connected to a first electrode of the light emitting element, and is configured to drive the light emitting element; the light emitting gating control circuit is configured to form a current path between the second electrode of the light emitting element and the first voltage terminal under the control of the first control signal provided by the first control terminal according to the first light emitting control voltage provided by the first light emitting control voltage terminal and the light emitting data voltage provided by the light emitting data voltage terminal, to control the driving circuit to control the light emitting element to emit light.

公开(公告)号：US20240428738A1

公开(公告)日：2024-12-26

申请号：US18824517

申请日：2024-09-04

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li XIAO ,  Haoliang ZHENG ,  Hao CHEN ,  Minghua XUAN ,  Dongni LIU ,  Seungwoo HAN ,  Liang CHEN ,  Jiao ZHAO ,  Xue DONG

IPC: G09G3/3258 ,  G09G3/3291

Abstract: A pixel circuit includes a driving circuit, a first control circuit and a second control circuit. The driving circuit is configured to receive a data signal in response to a scan signal, and generate, in response to a first enable signal, a driving signal according to a first voltage and the data signal. The first control circuit is configured to: receive a first input signal in response to a first control signal, and transmit a third input signal in response to the first input signal; and receive a second input signal in response to a second control signal, and transmit a second enable signal in response to the second input signal. The second control circuit is configured to transmit the driving signal to an element to be driven in response to one of the third input signal and the second enable signal.

公开(公告)号：US20240304136A1

公开(公告)日：2024-09-12

申请号：US18664242

申请日：2024-05-14

Applicant: BOE Technology Group Co., Ltd.

Inventor： Hao CHEN ,  Zhenyu ZHANG ,  Jiao ZHAO ,  Li XIAO ,  Dongni LIU ,  Haoliang ZHENG ,  Liang CHEN ,  Minghua XUAN ,  Ming YANG ,  Xinhong LU ,  Qi QI

IPC: G09G3/32 ,  G01R31/52 ,  G01R31/54 ,  G09F9/33 ,  G09G3/00 ,  H01L25/075 ,  H01L27/12 ,  H01L33/62

CPC classification number: G09G3/32 ,  G01R31/52 ,  G01R31/54 ,  G09G3/006 ,  G09G3/035 ,  H01L25/0753 ,  H01L27/1244 ,  H01L33/62 ,  G09F9/33 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2320/0233 ,  G09G2330/021

Abstract: Disclosed are an array substrate, a detection method for the array substrate, and a splicing display panel. In the array substrate, each of pixels (1) includes sub-pixels (01) of at least three colors and a pixel driving chip (02) for driving each sub-pixel (01) to emit light; each sub-pixel (01) includes at least one inorganic light-emitting diode; a display area (A1) further includes: a positive signal line (Hm) connected to a positive electrode of each inorganic light-emitting diode, and a data signal line (Dm), a scanning line (Sn), and a reference signal line (Vm) connected to each pixel driving chip (02); each pixel driving chip (02) is used for writing signals of the data signal line (Dm) into the sub-pixels (01) of different colors under the control of the corresponding scanning line (Sn) in a time division manner.

公开(公告)号：US20240257728A1

公开(公告)日：2024-08-01

申请号：US18629810

申请日：2024-04-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Seungwoo HAN ,  Li XIAO ,  Haoliang ZHENG ,  Dongni LIU ,  Jiao ZHAO ,  Liang CHEN ,  Hao CHEN ,  Minghua XUAN

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/061

Abstract: Provided is a pixel circuit. The pixel circuit includes a reset circuit, a data write circuit, a light-emission control circuit, and a drive circuit; wherein the reset circuit is configured to transmit a reset power signal supplied by the reset power terminal to the first node in response to a reset control signal; the data write circuit is configured to transmit a data signal supplied by the data signal terminal to the first node in response to a gate drive signal; the light-emission control circuit is configured to control conduction/non-conduction between the cathode of the light-emitting element and the second node, and control conduction/non-conduction between the third node and the pull-down power terminal, in response to a light-emission control signal; and the drive circuit is configured to control conduction/non-conduction between the second node and the third node in response to a potential of the first node.

公开(公告)号：US20220383799A1

公开(公告)日：2022-12-01

申请号：US16982062

申请日：2020-04-27

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dongni LIU ,  Minghua XUAN ,  Li XIAO ,  Liang CHEN ,  Hao CHEN

IPC: G09G3/32

Abstract: The present disclosure proposes a pixel circuit, a control method thereof and a display panel. The pixel circuit includes a first light-emitting element, a pixel drive circuit connected with the first light-emitting element, a repair branch circuit connected with a node between the pixel drive circuit and the first light-emitting element, wherein the repair branch circuit includes a switch circuit and a second light-emitting element connected in series, and the switch circuit controls a connection or disconnection of the second light-emitting element with the pixel drive circuit; a control circuit connected with a control terminal of the switch circuit, a first data terminal and a first control terminal, the control circuit is configured to write a signal of the first data terminal to the control terminal of the switch circuit under a control of the first control terminal to control on or off of the switch circuit.

公开(公告)号：US20220319417A1

公开(公告)日：2022-10-06

申请号：US17309917

申请日：2020-09-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni LIU ,  Minghua XUAN ,  Haoliang ZHENG ,  Li XIAO ,  Liang CHEN ,  Zhenyu ZHANG ,  Jiao ZHAO ,  Hao CHEN

IPC: G09G3/3233 ,  G09G3/20

Abstract: The present disclosure provides a pixel driving circuit and a display panel. The pixel driving circuit includes: a data writing sub-circuit configured to transmit a data voltage signal to a first terminal of a driving sub-circuit in response to a first scanning signal; a threshold compensation sub-circuit configured to compensate for a threshold voltage of the driving sub-circuit in response to a second scanning signal; a storage sub-circuit configured to store the data voltage signal; the driving sub-circuit configured to provide a driving current for a light emitting device to be driven according to voltages of a first terminal and a control terminal of the driving sub-circuit; and a voltage maintaining sub-circuit configured to maintain the voltage of the control terminal of the driving sub-circuit when the voltage of the first terminal of the driving sub-circuit jumps.