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：US20210265444A1

公开(公告)日：2021-08-26

申请号：US16638703

申请日：2019-03-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ming YANG ,  Can ZHANG ,  Minghua XUAN ,  Liang CHEN ,  Xiaochuan CHEN ,  Wenqing ZHAO

IPC: H01L27/32 ,  H04N13/302

Abstract: An array substrate is provided, including a substrate, wherein the substrate is provided with a plurality of electrodes and a plurality of first signal lines, each of the electrodes being correspondingly connected with a first signal line. In some examples, the first signal lines extend in the same direction. In some examples, at least two of the plurality of first signal lines are located in different layers of an insulating spacer from each other. In some examples, orthographic projections on the substrate of at least two of the first signal lines in the different layers at least partially overlap. Accordingly, a light field display device comprising the array substrate is also provided. The array substrate can reduce a light-emitting point size and increase a density distribution of light-emitting points.

公开(公告)号：US20210225961A1

公开(公告)日：2021-07-22

申请号：US16632948

申请日：2019-02-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhongyuan SUN ,  Jinxiang XUE ,  Liang CHEN ,  Guangcai YUAN

IPC: H01L27/32 ,  H01L51/56 ,  G09G3/00 ,  G09G3/3225

Abstract: A display substrate and a manufacturing method thereof, and a display control method. The display substrate includes: a stretchable substrate, a flexible layer on the stretchable substrate, and a plurality of display units and connection parts on the flexible layer. The connection parts are between the display units and are flexible to allow the display substrate to stretch or retract. The connection part includes a deformation sensor configured to detect a deformation state of the connection part.

公开(公告)号：US20240395197A1

公开(公告)日：2024-11-28

申请号：US17772029

申请日：2021-06-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/3233 ,  G09G3/20

Abstract: A pixel circuit includes a first driving circuit, a first control circuit, a second driving circuit and a second control circuit. The first driving circuit is configured to write a first data signal into a first node in response to a scanning signal. The first control circuit is configured to transmit a first voltage signal to the first driving circuit, and transmit a first driving signal generated by the first driving circuit according to a voltage of the first node and the first voltage signal in response to an enable signal. The second driving circuit is configured to write a second data signal into a second node in response to the scanning signal. The second control circuit is configured to transmit a second driving signal generated by the second driving circuit according to a voltage of the second node and the first voltage signal in response to a control signal.

公开(公告)号：US20240321186A1

公开(公告)日：2024-09-26

申请号：US18680595

申请日：2024-05-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: G09G3/32 ,  G11C19/28 ,  H01L25/075 ,  H01L27/02 ,  H01L27/12 ,  H01L33/62

CPC classification number: G09G3/32 ,  G11C19/28 ,  H01L25/0753 ,  H01L27/0296 ,  H01L27/124 ,  H01L33/62 ,  G09G2300/026 ,  G09G2310/0286 ,  G09G2330/04

Abstract: An array substrate has a display area and includes at least one pixel group, at least one pixel circuit group and at least one shift register circuit. The at least one pixel group is disposed in the display area. Each pixel group includes a plurality of pixels arranged in an array. Each pixel circuit group is disposed between two adjacent rows of pixels or two adjacent columns of pixels in a corresponding pixel group. Each pixel circuit group includes at least one pixel driving sub-circuit group. A shift register circuit is disposed between two rows of pixels or two columns of pixels that are different from two rows of pixels or two columns of pixels between which a pixel driving sub-circuit group is disposed.

公开(公告)号：US20240185772A1

公开(公告)日：2024-06-06

申请号：US18533211

申请日：2023-12-08

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/32 ,  G09G3/2007 ,  G09G3/3208

Abstract: A drive method for a display panel, wherein the display panel includes a plurality of current data lines, a plurality of time-length data lines, a first current selection signal line, a second current selection signal line, a first time-length selection signal line and a second time-length selection signal line, at least one current data line is connected with the first current selection signal line or the second current selection signal line, and at least one time-length data line is connected with the first time-length selection signal line or the second time-length selection signal line; the method includes: providing a valid level signal to the first time-length selection signal line, the second time-length selection signal line, the first current selection signal line and the second current selection signal line.

公开(公告)号：US20230351968A1

公开(公告)日：2023-11-02

申请号：US18338577

申请日：2023-06-21

Applicant: BOE Technology Group Co., Ltd.

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

IPC: G09G3/3258

CPC classification number: G09G3/3258 ,  G09G2300/0439 ,  G09G2310/061 ,  G09G2320/0233 ,  G09G2360/14 ,  G06F3/0421

Abstract: Provided are a photoelectric detection circuit and a driving method thereof, a display apparatus and a manufacturing method thereof. The photoelectric detection circuit includes: a first reset sub-circuit, a second reset sub-circuit, a first storage sub-circuit, a data read sub-circuit and a photosensitive device. A first terminal of the data read sub-circuit, a first terminal of the first storage sub-circuit, a first electrode of the photosensitive device and a first terminal of the first reset sub-circuit are connected to a first node. A second electrode of the photosensitive device is connected to a common voltage line. The data read sub-circuit is configured to transmit a voltage of the first node to a data read line in response to a signal of a scan line. The first reset sub-circuit is configured to reset the voltage of the first node.