公开(公告)号：US20210375702A1

公开(公告)日：2021-12-02

申请号：US17253960

申请日：2019-11-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L21/66 ,  H01L27/32 ,  H01L27/12 ,  H01L23/00 ,  G01R31/58 ,  G01R31/54

Abstract: The present application provides a method for detecting a broken fanout wire of a display substrate, and a display substrate, and belongs to the field of display technology. In the method for detecting a broken fanout wire, the display substrate includes a base substrate having first and second surfaces opposite to each other, and a plurality of connection structures disposed at intervals on the first surface; and each connection structure includes first and second pads and a fanout wire electrically connecting the first pad to the second pad. The method for detecting a broken fanout wire includes: forming at least one detection unit, which includes: connecting at least two connection structures in series through a connecting part; and measuring a head and an end of the detection unit to obtain resistance of the detection unit, and determining whether there is a broken fanout wire in the detection unit.

公开(公告)号：US20210375204A1

公开(公告)日：2021-12-02

申请号：US16757526

申请日：2019-08-07

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liang CHEN ,  Lei WANG ,  Li XIAO ,  Dongni LIU ,  Detao ZHAO ,  Ning CONG ,  Minghua XUAN ,  Shengji YANG ,  Xiaochuan CHEN

IPC: G09G3/3233 ,  G09G3/3258 ,  H01L27/32

Abstract: The present disclosure relates to a pixel circuit, a driving method therefor, and a display apparatus. The pixel circuit includes an input sub-circuit, a light emission control sub-circuit and an organic light-emitting transistor. The input sub-circuit is coupled to a gate line, a data line and the light emission control sub-circuit and writes a data signal supplied via the data line into the light emission control sub-circuit under control of a gate scan signal supplied via the gate line. The light emission control sub-circuit is coupled to a control electrode of the organic light-emitting transistor and controls a control electrode voltage of the organic light-emitting transistor according to a written data signal to drive the organic light-emitting transistor to emit light. With the pixel circuit according to embodiments of the present disclosure, active driving of an organic light-emitting transistor is achieved when it is applied in a display apparatus.

公开(公告)号：US20210350747A1

公开(公告)日：2021-11-11

申请号：US16479694

申请日：2019-01-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liang CHEN ,  Lei WANG ,  Li XIAO ,  Dongni LIU ,  Xiaochuan CHEN ,  Minghua XUAN ,  Ning CONG ,  Detao ZHAO

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel circuit, a display panel, and a display device comprising the pixel circuit. The pixel circuit comprises a light emitting element and a driving circuit. The driving circuit comprises a light emission driving circuit for driving the light emitting element to emit light, and a light sensing driving circuit for controlling the light emitting element to convert external light incident on the light emitting element into an electrical signal. The pixel circuit integrates the light emission driving circuit with the light sensing driving circuit and can achieve the light sensing function for the screen of the display device, which makes it possible to not reserve an area dedicated to a camera on the surface of the display device.

公开(公告)号：US20210335257A1

公开(公告)日：2021-10-28

申请号：US16612321

申请日：2019-04-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Liang CHEN ,  Lei WANG ,  Li XIAO ,  Dongni LIU ,  Minghua XUAN ,  Xiaochuan CHEN ,  Shengji YANG ,  Detao ZHAO

IPC: G09G3/3258

Abstract: A pixel structure and a method of driving the same, a display panel and a display device. The pixel structure includes: at least two pixel circuits and a conduction control circuit connected to the at least two pixel circuits. The conduction control circuit is configured to connect the at least two pixel circuits in parallel in response to a first control signal and to connect the at least two pixel circuits in series in response to a second control signal.

公开(公告)号：US20210333969A1

公开(公告)日：2021-10-28

申请号：US16496236

申请日：2019-04-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Detao ZHAO ,  Pengcheng LU ,  Liang CHEN ,  Ning CONG ,  Ming YANG ,  Dongni LIU ,  Li XIAO ,  Shengji YANG ,  Lei WANG ,  Minghua XUAN ,  Xiaochuan CHEN

IPC: G06F3/041 ,  H01L27/32

Abstract: A touch display panel and a method for manufacturing the same are provided. The method includes: forming touch lines, an insulating layer and first electrodes above a substrate, the insulating layer covers the touch lines and is provided with at least one through-hole, the first electrodes are at a side of the insulating layer distal from the touch lines; forming barrier walls in each through-hole, and at a predetermined position in an interval between the first electrodes; forming a light emitting layer and a second electrode layer at a side of the light emitting layer distal from the substrate; removing the barrier walls, portions of the light emitting layer and the second electrode layer above the barrier walls, remaining portions of the second electrode layer form touch electrodes; forming an electrical conductive structure in each through-hole for coupling one touch line to one touch electrode.

公开(公告)号：US20210211628A1

公开(公告)日：2021-07-08

申请号：US15778375

申请日：2017-09-29

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pengcheng LU ,  Xiaochuan CHEN ,  Shengji YANG ,  Lei WANG ,  Wenqing ZHAO ,  Dongni LIU ,  Jie FU ,  Han YUE ,  Li XIAO ,  Jian GAO ,  Haisheng WANG ,  Changfeng LI

IPC: H04N13/117 ,  H04N13/31 ,  H04N13/322 ,  H04N13/383 ,  G09G3/36

Abstract: The present disclosure provides a 3D display device and a working method of the same, the 3D display device includes a display panel, a lens unit, an acquiring component and an adjusting component, the acquiring component is configured to acquire current positions of eyes of a viewer, and the adjusting component is configured to adjust a signal for driving the display panel according to the current positions so that display information of the display panel received by the eyes of the viewer at the current positions is the same as display information of the display panel received by the eyes of the viewer at preset positions.

公开(公告)号：US20190295973A1

公开(公告)日：2019-09-26

申请号：US16317658

申请日：2018-05-10

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H01L23/00

Abstract: The present disclosure provides a display apparatus and a manufacturing method thereof. The display apparatus includes a silicon substrate, a plurality of metal data interfaces disposed on the silicon substrate, and a plurality of conductive patterns covering upper surfaces of the metal data interfaces respectively. The plurality of the conductive patterns is formed by enabling a semiconductor material to be conductive and the plurality of conductive patterns are not contacted with each other.

公开(公告)号：US20190279565A1

公开(公告)日：2019-09-12

申请号：US15776583

申请日：2017-10-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Shengji YANG ,  Xue DONG ,  Jing LV ,  Xiaochuan CHEN ,  Lei WANG ,  Dongni LIU ,  Pencheng LU ,  Jie FU ,  Han YUE ,  Li XIAO

IPC: G09G3/3233 ,  G09G3/3275 ,  G09G3/3266

Abstract: A pixel driving circuit and driving method thereof, and a display panel are provided. The pixel driving circuit includes: a data writing circuit, a reset circuit, a storage circuit, a compensation control circuit, a light emission control circuit, a driving transistor and a plurality of light emitting devices. The pixel driving circuit can time-divisionally input the data signal of the data signal terminal through the data writing circuit, and time-divisionally, electrically conduct each light emitting device and the second electrode of the driving transistor through the light emission control circuit, thereby realizing the function of controlling a plurality of light emitting devices to time-divisionally emit light.

公开(公告)号：US20190235663A1

公开(公告)日：2019-08-01

申请号：US16329826

申请日：2018-07-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Minghua XUAN ,  Xiaochuan CHEN ,  Shengji YANG ,  Pengcheng LU ,  Lei WANG ,  Li XIAO ,  Jie FU

IPC: G06F3/044 ,  G06F3/041 ,  G09G3/3208

CPC classification number: G06F3/044 ,  G06F3/041 ,  G06F3/0412 ,  G09G3/3208

Abstract: A driving method of a touch display panel is provided. The touch display panel includes a plurality of regions each including a regional electrode. The driving method includes: one frame time including a plurality of display time periods, during each display time period, the plurality of regions including a display region performing display, and a region other than the display region being a non-display region, the display region including at least one region; during each display time period, applying a display signal to the regional electrode of the display region; during at least one display time period, the non-display region including at least one region, applying a touch signal to the regional electrode of the at least one region, and/or, inserting a touch time period between at least two display time periods and applying a touch signal to the regional electrode of the at least one region.

公开(公告)号：US20190080650A1

公开(公告)日：2019-03-14

申请号：US15769277

申请日：2017-09-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/3258 ,  G09G3/3291 ,  G09G3/3233 ,  G09G3/3266 ,  H01L27/32

CPC classification number: G09G3/3258 ,  G09G3/006 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2330/12 ,  H01L27/3276

Abstract: A pixel circuit and a driving method, a display device. The pixel circuit includes: a main driving circuit, configured to, under control of a scanning signal line and a data signal line, output a main driving current signal to a fusing circuit; the fusing circuit configured to enable a light emitting circuit and the main driving circuit to be disconnected from each other; a fusing control circuit configured to, under control of a signal input terminal, enable the light emitting circuit and the main driving circuit to be disconnected from each other; a standby driving circuit configured to output a standby driving current signal to a switching circuit; the switching circuit configured to, under control of an input signal of a control line, connect the standby driving circuit to the light emitting circuit; and the light emitting circuit configured to emit light by using the standby driving current signal.