公开(公告)号：US11374032B2

公开(公告)日：2022-06-28

申请号：US16642584

申请日：2019-02-27

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ming Yang ,  Minghua Xuan ,  Can Zhang ,  Can Wang ,  Han Yue ,  Ning Cong ,  Jiayao Liu ,  Wenqing Zhao ,  Li Xiao ,  Dongni Liu ,  Lei Wang ,  Liang Chen ,  Xiaochuan Chen ,  Shengji Yang ,  Pengcheng Lu

IPC: G02F1/1362 ,  G02F1/1343 ,  G02F1/1368 ,  H01L27/12 ,  G02B30/26 ,  G02F1/1335 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/36

Abstract: There is provided an array substrate including a plurality of pixel regions arranged in rows and columns. The plurality of pixel regions include a corresponding pixel electrode array and a corresponding pixel circuit associated with the corresponding pixel electrode array. Each of the pixel electrode arrays is arranged in rows and columns, and each pixel electrode array includes a plurality of pixel electrodes arranged in an array. The array substrate further includes a plurality of sets of gate lines extending in a row direction and a plurality of sets of data lines extending in a column direction. The plurality of sets of gate lines and rows of the pixel electrode arrays are alternately arranged with each other in the column direction. The plurality of sets of data lines and columns of the pixel regions are alternately arranged with each other in the row direction.

公开(公告)号：US11308876B2

公开(公告)日：2022-04-19

申请号：US16491547

申请日：2019-03-28

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Minghua Xuan ,  Xiaochuan Chen ,  Lei Wang ,  Zheng Fang ,  Li Xiao ,  Liang Chen ,  Shengji Yang ,  Pengcheng Lu

IPC: G09G3/3233

Abstract: A pixel driving circuit including: N pixel circuits each including a first node and a power supply terminal, N being an integer greater than 1; and N multiplexing circuits configured to selectively couple a data line to the first nodes of the N pixel circuits. A first one of the N multiplexing circuits includes a multiplexing control circuit, and a second one to an N-th one of the N multiplexing circuits include respective multiplexing control circuits and respective reset circuits. The reset circuit of a (j+1)-th one of the N multiplexing circuits is configured to reset the first node of a (j+1)-th one of the N pixel circuits with a power supply voltage in response to a j-th multiplexing control signal being active, j being an integer and 1≤j

公开(公告)号：US11308860B2

公开(公告)日：2022-04-19

申请号：US16605932

申请日：2019-05-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ning Cong ,  Minghua Xuan ,  Han Yue ,  Ming Yang ,  Xiaochuan Chen ,  Detao Zhao ,  Liang Chen ,  Can Zhang ,  Can Wang

IPC: G09G3/32

Abstract: The present application discloses a pixel circuit and its driving method. The pixel circuit includes an input circuit, a control circuit, and 2N output circuits with N being a positive integer. The input circuit is configured to control a voltage level of a respective one of N control nodes under control of a gate-driving signal from each gate line and a first control signal. The control circuit is configured to respectively control a voltage level of each of 2N switching nodes under control of the N control nodes. The 2N output circuits are respectively connected to 2N data-signal terminals and the 2N switching nodes. Among the 2N output circuits, an i-th output circuit is configured to input an i-th data signal from an i-th data-signal terminal of the 2N data-signal terminals to an emission circuit under control of an i-th switching node of the 2N switching nodes.

公开(公告)号：US11227534B2

公开(公告)日：2022-01-18

申请号：US16611742

申请日：2019-03-22

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Dongni Liu ,  Lei Wang ,  Minghua Xuan ,  Xiaochuan Chen ,  Shengji Yang ,  Liang Chen ,  Li Xiao ,  Zheng Fang ,  Detao Zhao ,  Pengcheng Lu

IPC: G09G3/32

Abstract: A display driving circuit includes N levels of display driving sub-circuits and N levels of switching sub-circuits. Each display driving sub-circuit is connected to a corresponding switching sub-circuit. An nth-level display driving sub-circuit includes an nth-level gate driving sub-circuit and an nth-level light-emitting control sub-circuit. An nth-level switching sub-circuit includes an nth-level gate driving switching sub-circuit and an nth-level light-emitting, control switching sub-circuit. The nth-level gate driving switching sub-circuit is configured to enable an nth-level gate driving signal output end to be electrically connected to a (2n−1)th gate line or a 2nth gate line. The nth-level light-emitting control switching sub-circuit is configured to enable an nth-level light-emitting control signal output end to be electrically connected to a (2n−1)th light-emitting control line or a 2nth light-emitting control line, where N is an integer greater than 1, and n is a positive integer smaller than or equal to N.

公开(公告)号：US20210335212A1

公开(公告)日：2021-10-28

申请号：US16605932

申请日：2019-05-10

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ning Cong ,  Minghua Xuan ,  Han Yue ,  Ming Yang ,  Xiaochuan Chen ,  Detao Zhao ,  Liang Chen ,  Can Zhang ,  Can Wang

IPC: G09G3/32

Abstract: The present application discloses a pixel circuit and its driving method. The pixel circuit includes an input circuit, a control circuit, and 2N output circuits with N being a positive integer. The input circuit is configured to control a voltage level of a respective one of N control nodes under control of a gate-driving signal from each gate line and a first control signal. The control circuit is configured to respectively control a voltage level of each of 2N switching nodes under control of the N control nodes. The 2N output circuits are respectively connected to 2N data-signal terminals and the 2N switching nodes. Among the 2N output circuits, an i-th output circuit is configured to input an i-th data signal from an i-th data-signal terminal of the 2N data-signal terminals to an emission circuit under control of an i-th switching node of the 2N switching nodes.

公开(公告)号：US20210319748A1

公开(公告)日：2021-10-14

申请号：US17271737

申请日：2020-07-29

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liang Chen ,  Lei Wang ,  Li Xiao ,  Minghua Xuan ,  Dongni Liu ,  Hao Chen

IPC: G09G3/3233

Abstract: A display substrate, includes: a plurality of pixel driving circuits; a plurality of groups of light-emitting driving signal lines, wherein each driving signal line group of the plurality of groups of light-emitting driving signal lines includes a plurality of light-emitting driving signal lines; and a plurality of pixel circuit multiplexing units coupled to the plurality of pixel driving circuits, respectively, wherein each pixel circuit multiplexing unit includes N light emitting units coupled to one of the plurality of pixel driving circuits and a group of light-emitting driving signal line.

公开(公告)号：US11112897B2

公开(公告)日：2021-09-07

申请号：US16622412

申请日：2019-05-15

Applicant: BOE Technology Group Co., Ltd.

Inventor： Liang Chen ,  Lei Wang ,  Detao Zhao ,  Huijuan Wang ,  Xiaochuan Chen ,  Minghua Xuan ,  Shengji Yang ,  Li Xiao ,  Dongni Liu

IPC: G06F3/041 ,  G06F3/044 ,  H01L27/32 ,  H01L51/52

Abstract: A organic light-emitting display panel, a preparation method of the organic light-emitting display panel and a display device are provided. The preparation method of the organic light-emitting display panel includes: providing a base substrate; forming a plurality of touch electrode wirings, an organic functional layer, and a plurality of first electrodes sequentially on the base substrate, the plurality of the touch electrode wirings being electrically insulated from each other, the plurality of the first electrodes being electrically insulated from each other, and the plurality of the touch electrode wirings and the plurality of the first electrodes are in one-to-one correspondence, forming a first encapsulation structure on the plurality of the first electrodes, and then using a laser irradiation process to electrically connect the respective first electrodes with the touch electrode wirings corresponding thereto by via holes passing through the organic functional layer.

公开(公告)号：US20210225224A1

公开(公告)日：2021-07-22

申请号：US17255529

申请日：2020-05-07

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dongni Liu ,  Minghua Xuan ,  Han Yue ,  Li Xiao ,  Liang Chen ,  Hao Chen

IPC: G09G3/00 ,  G09G3/32

Abstract: A pixel circuit, a driving method thereof, and a display device are provided. The pixel circuit includes: a light-emitting assembly including a plurality of light-emitting elements; a driving sub-circuit electrically coupled to the light-emitting assembly and configured to generate driving current for driving the light-emitting assembly; and a repair sub-circuit electrically coupled to the light-emitting assembly and configured to: receive a repair scanning signal (Gate_R, Gate_Ri) and a repair data signal (Data_R, Data_Ri), and provide the driving current to at least one light-emitting element capable of emitting light normally among the plurality of light-emitting elements under the control of the repair scanning signal (Gate_R, Gate_Ri) and the repair data signal (Data_R, Data_Ri).

公开(公告)号：US20210217352A1

公开(公告)日：2021-07-15

申请号：US16638427

申请日：2018-11-22

Applicant: BOE Technology Group Co., Ltd.

Inventor： Minghua Xuan ,  Li Xiao ,  Lei Wang ,  Xiaochuan Chen ,  Detao Zhao ,  Dongni Liu ,  Liang Chen

IPC: G09G3/32

Abstract: The present application discloses display-driving circuit for multiple rows of pixels in a column of a display panel. The display-driving circuit includes a compensation sub-circuit comprising a driving transistor, a data-input transistor, a drive-control transistor, a reset transistor, and a capacitor. The compensation sub-circuit is configured to compensate a drift of a threshold voltage of the driving transistor to drive light emission of multiple light-emitting diodes associated with respective multiple rows of pixels in the column. The display-driving circuit further includes multiple first emission-control transistors coupled in parallel between a high-voltage supply and a source electrode of the driving transistor and multiple second emission-control transistors respectively coupled between a drain electrode of the driving transistor and respective anodes of the multiple light-emitting diodes, and respectively turned on in different ones of multiple portions of one cycle time for displaying one frame of image.

公开(公告)号：US10663789B2

公开(公告)日：2020-05-26

申请号：US16199720

申请日：2018-11-26

Applicant: BOE Technology Group Co., Ltd.

Inventor： Dongni Liu ,  Lei Wang ,  Minghua Xuan ,  Li Xiao ,  Detao Zhao ,  Liang Chen

IPC: G02F1/1335 ,  G02F1/1362

Abstract: The disclosure discloses a lens substrate, a liquid crystal lens, and a liquid crystal glasses, where first annular electrodes and second annular electrodes of the lens substrate are arranged concentric with each other, and orthographic projections of the first annular electrodes onto a base substrate and orthographic projections of the second annular electrodes onto the base substrate are arranged alternately; where first wirings are electrically connected with the second annular electrodes through first via holes, and at least a first annular electrode adjacent to a part of the first via holes includes a place-giving pattern in an area corresponding to the part of the first via holes, and a smallest spacing between the place-giving pattern and its corresponding first via hole is no less than a preset distance.