公开(公告)号：US20240049525A1

公开(公告)日：2024-02-08

申请号：US17753513

申请日：2021-03-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

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

IPC: H10K59/126 ,  H10K59/38 ,  H10K59/131 ,  H10K59/80

CPC classification number: H10K59/126 ,  H10K59/38 ,  H10K59/131 ,  H10K59/87

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a light-shielding layer. The base substrate includes a display region including repeating units, each repeating unit includes a transparent region and a pixel region, the pixel region includes sub-pixels, each sub-pixel includes a sub-pixel driving circuit and a light-emitting element, and the light-emitting element includes a first electrode, a second electrode, and a light-emitting layer located between the first electrode and the second electrode. The light-shielding layer is located on a side of the sub-pixel driving circuit close to the base substrate, at least part of an orthographic projection of the light-shielding layer on a main surface of the base substrate overlaps with an orthographic projection of the sub-pixel driving circuit on the main surface of the base substrate, and the light-shielding layer is connected with the second electrode.

公开(公告)号：US20230158769A1

公开(公告)日：2023-05-25

申请号：US17630670

申请日：2021-01-25

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Zhan GAO ,  Xing ZHANG ,  Pan XU ,  Wei LIU ,  Ying HAN ,  Guoying WANG ,  Yicheng LIN ,  Tangxiang WANG

IPC: B32B3/08 ,  B32B7/027

CPC classification number: B32B3/08 ,  B32B7/027 ,  B32B2457/08 ,  B32B2457/20

Abstract: The present disclosure relates to the technical field of display, and provides a bearing substrate, a binding assembly, and a binding method thereof. The bearing substrate may be bound to an integrated substrate. A thermal expansion coefficient of the bearing substrate is greater than a thermal expansion coefficient of the integrated substrate. The integrated substrate includes a plurality of second binding terminals distributed at equal intervals in a same direction. The bearing substrate includes a plurality of first binding terminal sets distributed at equal intervals in a first direction, and each of the first binding terminal sets includes a plurality of first binding terminals distributed at equal intervals in the first direction for binding with the plurality of the second binding terminals one-to-one.

公开(公告)号：US20210264858A1

公开(公告)日：2021-08-26

申请号：US17255104

申请日：2020-05-26

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tangxiang WANG ,  Yi CHEN ,  Zhan GAO

IPC: G09G3/3258 ,  G09G3/3241

Abstract: Disclosed are a pixel compensation circuit, a display apparatus, and a pixel compensation circuit driving method. The pixel compensation circuit comprises: an integration circuit, a comparison circuit, a timing circuit, and a processor, wherein the integration circuit is configured to integrate driving currents of a pixel circuit, and then output a first voltage; the comparison circuit is configured to receive the first voltage, compare the first voltage with a first reference voltage, and then output a first logic control signal; the timing circuit is configured to acquire a first working duration; and the processor is configured to acquire the first working duration, obtain, according to correlations between the pre-obtained working duration and the pixel driving currents, a target driving current, corresponding to the first working duration, of the pixel circuit, and obtain a compensation parameter according to the target driving current.

公开(公告)号：US20240169928A1

公开(公告)日：2024-05-23

申请号：US18421549

申请日：2024-01-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying HAN ,  Xuehuan FENG ,  Yicheng LIN ,  Pan XU ,  Guoying WANG ,  Xing ZHANG ,  Zhan GAO ,  Mingi CHU

IPC: G09G3/3266 ,  G09G3/3275 ,  G11C19/28 ,  H01L27/12 ,  H10K59/121 ,  H10K59/131

CPC classification number: G09G3/3266 ,  G09G3/3275 ,  G11C19/28 ,  H01L27/124 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/1315 ,  G09G2300/0842 ,  G09G2310/0278 ,  G09G2310/0286 ,  G09G2310/061 ,  G09G2320/0233

Abstract: A display panel includes: a substrate, sub-pixels and a gate drive circuit. The sub-pixel includes a pixel drive circuit. The gate drive circuit includes cascaded shift registers, and a shift register is electrically connected to pixel drive circuits in a row of sub-pixels. The gate drive circuit further includes cascade input signal lines and cascade display reset signal lines. The cascade input signal line is configured to connect a shift signal terminal and an input signal terminal of two different shift register; and the cascade display reset signal line is configured to connect a shift signal terminal and a display reset signal terminal of two different shift register. The display panel has sub-pixel regions for arranging the sub-pixels and first gap regions each located between two adjacent columns of sub-pixel regions; the cascade display reset signal lines and the cascade input signal lines are disposed in different first gap regions.

公开(公告)号：US20230343812A1

公开(公告)日：2023-10-26

申请号：US17921077

申请日：2021-05-08

Applicant: BOE Technology Group Co., Ltd.

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

IPC: H01L27/15

CPC classification number: H01L27/156

Abstract: A display substrate and a display apparatus. Each pixel repeat unit (10) includes two pixel regions (P1, P2) arranged in a first direction, and a light transmission region (T) located between the two pixel regions (P1, P2), where each of the pixel regions (P1, P2) is provided with at least three sub-pixels (A, B, C) which are adjacently provided; and the area of the light transmission region (T) is equal to twice the area of a light transmission region (T) corresponding to a single pixel region (P1, P2).

公开(公告)号：US20210343973A1

公开(公告)日：2021-11-04

申请号：US17279771

申请日：2020-06-02

Applicant: BOE Technology Group Co., Ltd.

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

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

Abstract: The present disclosure provides a display substrate, including: a base substrate, which includes a display region and a driving region arranged on at least one side of the display region; a first electrode layer disposed in the display region; a signal output part disposed in the driving region, the first electrode layer is electrically coupled to the signal output part, the first electrode layer comprises a plurality of electrode regions each having a same area; and a plurality of auxiliary electrodes, which are in one-to-one correspondence with the plurality of electrode regions and configured to be coupled in parallel with the first electrode layer, a resistance of each auxiliary electrode is inversely correlated with a minimum distance from the electrode region corresponding to said each auxiliary electrode to the signal output part. The present disclosure further provides a display panel and a manufacturing method thereof and a display device.

公开(公告)号：US20210013899A1

公开(公告)日：2021-01-14

申请号：US16489150

申请日：2019-03-18

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Tangxiang WANG ,  Chen SONG ,  Zhan GAO ,  Yi CHEN

IPC: H03M1/68 ,  H03M1/76 ,  G09G3/20

Abstract: Embodiments of the present disclosure provide a digital-to-analog converter, a conversion circuit and a display device. An M-bit digital-to-analog converter includes a higher M−N-bit digital-to-analog conversion circuit, a voltage conversion circuit, an output circuit. The higher M−N-bit digital-to-analog conversion circuit includes: a higher M−N-bit voltage division generation circuit, a first voltage selection circuit. The first voltage selection circuit selects a first voltage from the higher M−N-bit voltage division generation circuit based on a higher M−N-bit digital signal, to be output from a first voltage end. The voltage conversion circuit charges a capacitor circuit under the control of a first switch circuit and a second switch circuit, and discharges a second voltage to a second voltage end through the capacitor circuit. The output circuit controls the first voltage and the second voltage based on a lower N-bit digital signal, generates an analog voltage signal corresponding to an M-bit digital signal.

公开(公告)号：US20200091928A1

公开(公告)日：2020-03-19

申请号：US16520921

申请日：2019-07-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Tangxiang WANG ,  Chen SONG ,  Zhan GAO

IPC: H03M1/78

Abstract: A digital to analog converter, a method for driving the same, and a display device are provided. The digital to analog converter includes: a first resistor string, 2m first multiplexers, a first voltage selector, a second resistor string, a second voltage selector, and a second multiplexer, where the 2m first multiplexers, the first voltage selector, and the second voltage selector operate in cooperation with each other so that the entire second resistor string can be connected in series to the first resistor string for further division.

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：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.