公开(公告)号：US20210166623A1

公开(公告)日：2021-06-03

申请号：US16331673

申请日：2018-08-16

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Cuili GAI ,  Yicheng LIN ,  Baoxia ZHANG ,  Ling WANG ,  Quanhu LI ,  Pan XU

IPC: G09G3/3233

Abstract: A pixel circuit includes a data writing sub-circuit inputs a signal input via a second signal terminal to a compensating sub-circuit and a driving sub-circuit under control of a signal from a first signal terminal, the compensating sub-circuit compensates a threshold voltage of the driving sub-circuit according to a signal output from the data writing sub-circuit under control of a signal from a third signal terminal, a light-emitting control sub-circuit inputs a signal from a first voltage terminal to the driving sub-circuit and the compensating sub-circuit under control of a signal from a fourth signal terminal, the driving sub-circuit configured to generate and input a driving current to a light-emitting sub-circuit according to a signal output from the light-emitting control sub-circuit and a signal output from the data writing sub-circuit, and the light-emitting sub-circuit configured to emit light according to the driving current under control of a second voltage terminal.

公开(公告)号：US20200273933A1

公开(公告)日：2020-08-27

申请号：US16499809

申请日：2019-04-01

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pan XU ,  Yicheng LIN ,  Cuili GAI ,  Ling WANG ,  Yongqian LI

IPC: H01L27/32 ,  H01L51/56

Abstract: An OLED display substrate, a manufacturing method thereof, and a display device are provided. The manufacturing method includes forming a PIN photodiode on a base substrate, forming an insulative protection layer covering the PIN photodiode, and forming an oxide TFT. The PIN photodiode is formed prior to the formation of an active layer of the oxide TFT, and the insulative protection layer covering the PIN photodiode is formed prior to the formation of a source electrode and a drain electrode of the oxide TFT.

公开(公告)号：US20170193906A1

公开(公告)日：2017-07-06

申请号：US15226702

申请日：2016-08-02

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yongqian LI ,  Yicheng LIN ,  Quanhu LI

IPC: G09G3/3258

CPC classification number: G09G3/3258 ,  G09G3/20 ,  G09G2300/0426 ,  G09G2310/08

Abstract: Disclosed is a pixel circuit which includes a multiplexing module and a plurality of sub-pixels. Signals for detecting parameters of respective sub-pixels are transferred via a sensing line in a time-divisional manner. For each sub-pixel, connection to the data line and the sensing line is achieved via a common terminal. Further disclosed are a display panel and a display device.

公开(公告)号：US20240212558A1

公开(公告)日：2024-06-27

申请号：US17912037

申请日：2021-11-11

Applicant: BOE Technology Group Co., Ltd.

Inventor： Yu WANG ,  Yicheng LIN

IPC: G09G3/20

CPC classification number: G09G3/2074 ,  G09G2320/0233 ,  G09G2320/0257 ,  G09G2360/148 ,  G09G2360/16

Abstract: A display method, including: determining a gray tone compensation parameter of a target sub-pixel in at least one sub-display area of a display area by at least one photosensitive device arranged in the display area; determining a gray tone voltage of a target sub-pixel in a display stage by using the gray tone compensation parameter of the target sub-pixel and a gray tone value to be output in the display stage; and determining a gray tone voltage of the remaining sub-pixels in the sub-display area in the display stage according to the gray tone voltage of the target sub-pixel in the display stage.

公开(公告)号：US20240188350A1

公开(公告)日：2024-06-06

申请号：US17790193

申请日：2021-05-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying HAN ,  Yicheng LIN ,  Guang YAN ,  Pan XU ,  Mingi CHU ,  Dongfang YANG

IPC: H10K59/13 ,  H10K59/131 ,  H10K59/80

CPC classification number: H10K59/13 ,  H10K59/131 ,  H10K59/80516

Abstract: A light-emitting substrate includes a base substrate, an auxiliary electrode line, at least one light-emitting device, and at least one light-detecting device(s). The auxiliary electrode line is disposed on the base substrate. The at least one light-emitting device is disposed above the base substrate, and a light-emitting device includes a first electrode, a light-emitting functional layer and a second electrode that are sequentially stacked in a direction moving away from the base substrate. The at least one light-detecting device is disposed above the base substrate, and a light-detecting device includes a third electrode and a fourth electrode. The auxiliary electrode line is coupled to the fourth electrode and the second electrode.

公开(公告)号：US20240188344A1

公开(公告)日：2024-06-06

申请号：US17789248

申请日：2021-05-31

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying HAN ,  Yicheng LIN ,  Guang YAN ,  Pan XU ,  Dongfang YANG ,  Xing ZHANG ,  Zhan GAO ,  Guoying WANG ,  Dacheng ZHANG

IPC: H10K59/123 ,  H10K59/60 ,  H10K59/80 ,  H10K102/10

CPC classification number: H10K59/123 ,  H10K59/60 ,  H10K59/80522 ,  H10K59/80524 ,  H10K2102/103

Abstract: A light-emitting substrate includes a base substrate, light-emitting device(s) and a first insulating layer. A light-emitting device includes a first electrode, a light-emitting functional layer and a second electrode that are sequentially stacked. The first electrode includes a second sub-electrode and a first sub-electrode. The second sub-electrode includes a first portion covered by the first sub-electrode and a second portion except for the first portion. The first insulating layer has a first opening and a second opening. A portion of a side face of the first sub-electrode located on the second sub-electrode is covered by the first insulating layer. A portion of the light-emitting functional layer located in the first opening is in contact with the first sub-electrode, and a portion of the light-emitting functional layer located in the second opening is in contact with the second portion in the second sub-electrode.

公开(公告)号：US20230172023A1

公开(公告)日：2023-06-01

申请号：US17920343

申请日：2021-05-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pan XU ,  Yicheng LIN ,  Xing ZHANG ,  Ying HAN

IPC: H10K59/131 ,  H10K59/80

CPC classification number: H10K59/1315 ,  H10K59/80521 ,  H10K59/122

Abstract: A display panel and a display apparatus. The display panel comprises: a base substrate, an anode layer, a cathode layer (5), an organic functional layer (4) and cathode signal lines (2), wherein the anode layer is located on the base substrate; the cathode layer (5) is located on the side of the anode layer that faces away from the base substrate, and the orthographic projection of the cathode layer (5) on the base substrate overlaps with both a display area and a non-display area; the organic functional layer (4) is located between the anode layer and the cathode layer (5), and the orthographic projection of the organic functional layer (4) on the base substrate overlaps with the display area (AA); the cathode signal lines (2) are located on the side of the organic functional layer (4) that is close to the base substrate, and the cathode signal lines (2) are located in the non-display area; the orthographic projection of the cathode signal lines (2) on the base substrate and the orthographic projection of the organic functional layer (4) on the base substrate have non-overlapping areas, and the non-overlapping areas comprise at least two mutually separated sub-areas; and the cathode signal lines (2) are coupled to the cathode layer (5) in the at least two mutually separated sub-areas. Therefore, the resistance voltage drop on the cathode layer (5) is reduced, thereby improving the display uniformity of the display panel.

公开(公告)号：US20220399530A1

公开(公告)日：2022-12-15

申请号：US17770595

申请日：2021-03-09

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying HAN ,  Ling WANG ,  Pan XU ,  Yicheng LIN ,  Zhan GAO ,  Guoying WANG ,  Xing ZHANG

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56

Abstract: A display apparatus includes a cover plate and a display substrate. The cover plate includes a first base substrate, a black matrix and a support layer stacked on a side of the first base substrate, and a quantum dot layer disposed on the side of the first base substrate. The black matrix and the support layer each have a plurality of openings to form a plurality of opening regions. The quantum dot layer includes a plurality of quantum dot units. Each quantum dot unit is located in an opening region in the plurality of opening regions. The display substrate includes a second base substrate, driving circuit structures disposed on a side of the second base substrate, and light-emitting devices disposed on a side of the driving circuit structures. Each light-emitting device is coupled to a driving circuit structure in the driving circuit structures to emit light.

公开(公告)号：US20220320217A1

公开(公告)日：2022-10-06

申请号：US17637772

申请日：2021-02-02

Applicant: BOE Technology Group Co., Ltd.

Inventor： Ying HAN ,  Ling WANG ,  Yicheng LIN ,  Pan XU ,  Guoying WANG ,  Xing ZHANG

IPC: H01L27/32

Abstract: Disclosed are a display panel and a display device. The display panel includes: a base substrate; a detection circuit, located on the side of the base substrate, and including a transistor and a photosensitive detection component electrically connected to the transistor, and an orthographic projection of the transistor on the base substrate and an orthographic projection of the photosensitive detection component on the base substrate do not overlap with each other; a planarization layer, located on the side of the detection circuit facing away from the base substrate, and including a first surface facing away from the base substrate at the position in which the transistor is located, and a second surface facing away from the base substrate at the position in which the photosensitive detection component is located; and a light-emitting device, located on the side of the planarization layer away from the detection circuit.

公开(公告)号：US20220013612A1

公开(公告)日：2022-01-13

申请号：US17281266

申请日：2020-08-19

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pan XU ,  Yongqian LI ,  Guoying WANG ,  Dacheng ZHANG ,  Chen XU ,  Lang LIU ,  Xing ZHANG ,  Ling WANG ,  Yicheng LIN ,  Ying HAN

IPC: H01L27/32

Abstract: Provided are a display substrate, a manufacturing method thereof and a display apparatus. The display substrate includes multiple sub-pixels, wherein each sub-pixel includes a light-emitting region and a non-light-emitting region, and each sub-pixel is provided with a drive circuit; the drive circuit includes a storage capacitor and multiple transistors; for each sub-pixel, the multiple transistors are in the non-light-emitting region, the storage capacitor is a transparent capacitor, and an orthographic projection of the storage capacitor on a base substrate coincides with the light-emitting region. A first electrode of the storage capacitor is disposed in a same layer as an active layer of the multiple transistors, but in a different layer from source and drain electrodes of the multiple transistors, and a second electrode of the storage capacitor is on a side of the first electrode close to the base substrate.