公开(公告)号：US20240206242A1

公开(公告)日：2024-06-20

申请号：US18556704

申请日：2022-03-17

Applicant: YUNNAN INVENSIGHT OPTOELECTRONICS TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Yunlong LI ,  Xiaochuan CHEN ,  Pengcheng LU ,  Kuanta HUANG ,  Dacheng ZHANG

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/35 ,  H10K59/80 ,  H10K71/20 ,  H10K71/60 ,  H10K102/00

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/353 ,  H10K59/80524 ,  H10K71/211 ,  H10K71/60 ,  H10K2102/351

Abstract: A display panel, a method of manufacturing the same, and a display apparatus are provided. The light-emitting device includes a first electrode and a charge generation layer that are stacked; the pixel definition layer defines the opening regions that are in one-to-one correspondence with the sub-pixels and expose the first electrodes of the corresponding sub-pixels; the sub-pixels include a first sub-pixel and a second sub-pixel adjacent to each other; a space is between the first electrode of the first sub-pixel and the first electrode of the second sub-pixel, and the pixel definition layer includes a first recess in the space, the charge generation layer of the first sub-pixel and the charge generation layer of the second sub-pixel are spaced apart from each other by the first recess; depths of the first recesses of the pixel definition layer that are respectively in the spaces between different adjacent two sub-pixels are equal.

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：US20240161687A1

公开(公告)日：2024-05-16

申请号：US17772955

申请日：2021-05-13

Applicant: Hefei BOE Joint Technology Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Meng LI ,  Yongqian LI ,  Chen XU ,  Jingquan WANG ,  Dacheng ZHANG ,  Yu WANG ,  Zhidong YUAN ,  Zhenhua QIU

IPC: G09G3/3225 ,  H10K59/131

CPC classification number: G09G3/3225 ,  H10K59/131 ,  G09G2300/0408 ,  G09G2300/0452 ,  G09G2300/0842

Abstract: The present disclosure provides a display substrate and a display device, and belongs to the field of display technologies. The display substrate includes a base substrate, a plurality of pixels, a plurality of gate lines and a plurality of data lines, wherein the base substrate has a plurality of transparent regions and a plurality of display regions, and the transparent regions and the display regions alternate with each other in a first direction; the pixels are on the base substrate and within the display regions; pixels within each of the display regions are arranged in a second direction; each pixel includes a plurality of sub pixels; the sub pixels of each pixel are divided into two rows of sub pixels; each row of sub pixels are arranged in the first direction; the first direction intersects the second direction; the gate lines and the data lines are on the base substrate; the gate lines extend along the first direction; the data lines extend along the second direction; the sub pixels of a first pixel are connected with the same gate line; the gate line connected with the sub pixels of the first pixel is between the two rows of sub pixels of the first pixel; and the first pixel is any one of the plurality of pixels.

公开(公告)号：US20240057420A1

公开(公告)日：2024-02-15

申请号：US18494897

申请日：2023-10-26

Applicant: HEFEI BOE JOINT TECHNOLOGY CO., LTD. ,  BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Can YUAN ,  Yongqian LI ,  Meng LI ,  Zhidong YUAN ,  Dacheng ZHANG ,  Lang LIU

IPC: H10K59/131 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  H10K50/813 ,  H10K50/824 ,  H10K59/122 ,  H10K59/124 ,  H10K59/121 ,  H10K71/00

CPC classification number: H10K59/1315 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  H10K50/813 ,  H10K50/824 ,  H10K59/122 ,  H10K59/124 ,  H10K59/1216 ,  H10K71/00 ,  G09G2300/0426

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. The sub-pixels are arranged in a sub-pixel array in a first direction and a second direction, the first direction intersecting with the second direction. The display substrate further includes data lines extended in the first direction, and the data lines are connected in one-to-one correspondence with the sub-pixels in columns in each row of sub-pixels, so as to provide data signals respectively; the display substrate further includes auxiliary electrode lines extended in the first direction which are configured to be electrically connected with a second electrode of the light emitting element to provide a second power voltage; each of the auxiliary electrode lines is spaced from any one of the plurality of data lines by at least one column of sub-pixels.

公开(公告)号：US20240008313A1

公开(公告)日：2024-01-04

申请号：US18034400

申请日：2022-06-28

Applicant: Beijing BOE Technology Development Co., Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Jingjing XU ,  Pan LI ,  Dacheng ZHANG

IPC: H10K59/122 ,  H10K59/38 ,  H10K59/80 ,  H10K59/131 ,  H10K59/35

CPC classification number: H10K59/122 ,  H10K59/38 ,  H10K59/8792 ,  H10K59/352 ,  H10K59/353 ,  H10K59/351 ,  H10K59/131

Abstract: A display substrate, a preparation method thereof, and a display apparatus, the display substrate includes a base substrate; a drive circuit layer provided on the base substrate; a light-emitting structure layer provided on a side of the drive circuit layer away from the base substrate, the light-emitting structure layer includes a pixel defining layer and an organic light-emitting layer, the pixel defining layer defines multiple sub-pixel regions and includes a first opening at least partially exposing the drive circuit layer, the organic light-emitting layer is located in the sub-pixel region and is overlapped with the first opening of the pixel defining layer; and a color film structure layer provided on a side of the light-emitting structure layer away from the base substrate, the color film structure layer includes a color film and a black matrix, the black matrix includes a second opening at least partially exposing the first opening.

公开(公告)号：US20220302418A1

公开(公告)日：2022-09-22

申请号：US17641316

申请日：2021-01-08

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li LIU ,  Pengcheng LU ,  Kui ZHANG ,  Yunlong LI ,  Shengji YANG ,  Kuanta HUANG ,  Xiaochuan CHEN ,  Dacheng ZHANG

IPC: H01L51/52 ,  H01L51/50 ,  H01L51/56

Abstract: A display substrate includes a substrate and a light-emitting device layer which includes a first electrode layer, a light-emitting functional layer, and a second electrode layer that are sequentially stacked in a direction away from the substrate. The first electrode layer includes a reflective layer, an insulating layer, and a transparent conductive layer that are sequentially stacked in the direction away from the substrate. In a red sub-pixel region, a thickness of a first portion of the insulating layer is within a range of about 1000 Å to about 2500 Å. In a green sub-pixel region, a thickness of a second portion of the insulating layer is within a range of about 500 Å to about 2000 Å. In a blue sub-pixel region, a thickness of a third portion of the insulating layer is within a range of about 1500 Å to about 3000 Å.

公开(公告)号：US20220208948A1

公开(公告)日：2022-06-30

申请号：US17610409

申请日：2020-11-17

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Pan XU ,  Yongqian LI ,  Dacheng ZHANG ,  Lang LIU

IPC: H01L27/32 ,  H01L51/52

Abstract: A display substrate has a display area including a plurality of sub-display areas. The display substrate includes a base, a plurality of columns of pixels, a plurality of first and second power lines disposed on the base. At least two columns of pixels are disposed in each sub-display area, and each column of pixels includes at least three columns of sub-pixels. At least one first power line is disposed in each sub-display area and configured to provide a first power signal to all sub-pixels in a sub-display area. The second power lines are configured to provide second power signals to all sub-pixels. A plurality of columns of sub-pixels are disposed between any two adjacent power lines, to and any first and second power lines are each arranged between two adjacent columns of sub-pixels emitting light of a first color and sub-pixels emitting light of a second color.

公开(公告)号：US20220140050A1

公开(公告)日：2022-05-05

申请号：US17259465

申请日：2020-03-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Li LIU ,  Pengcheng LU ,  Rongrong SHI ,  Yuanlan TIAN ,  Xiao BAI ,  Dacheng ZHANG

IPC: H01L27/32 ,  H01L51/56

Abstract: Provided is display substrate, including driving circuit board, and first electrode layer, insulating layer, second electrode layer, isolation layer, transparent conductive layer sequentially stacked thereon. Driving circuit board includes pixel and bonding regions. First electrode layer includes first sub-portion in bonding region and second sub-portion in pixel region. Insulating and isolation layers are partially cover bonding and pixel regions. Insulating layer has first via hole in area corresponding to first sub-portion. Isolation layer has second via hole in the area. Axes of first and second via holes coincide, first sub-portion is exposed at first and second via holes. Second electrode layer is in pixel region, coupled to second sub-portion through third via hole in area corresponding to second sub-portion. Isolation layer has fourth via hole in area corresponding to second electrode layer. Transparent conductive layer is in pixel region, coupled to second electrode layer through fourth via hole.

公开(公告)号：US20220123073A1

公开(公告)日：2022-04-21

申请号：US17270414

申请日：2020-05-15

Applicant: Hefei BOE Joint Technology Co.,Ltd. ,  BOE Technology Group Co., Ltd.

Inventor： Meng LI ,  Yongqian LI ,  Chen XU ,  Dacheng ZHANG ,  Jingquan WANG ,  Zhidong YUAN ,  Haixia XU

IPC: H01L27/32 ,  H01L51/56

Abstract: Provided are a display substrate and a preparation method thereof, and a display apparatus. The display substrate includes a plurality of display units; the display unit includes a driving structure layer, a light emitting structure layer and a color filter layer which are located in the display area and sequentially arranged on the substrate; the light emitting structure layer comprises a plurality of light emitting structures each including a pixel define layer and an organic light emitting layer; the organic light emitting layer is located in an opening area of the pixel define layer and on the pixel define layer; the color filter layer includes a plurality of light filters; the display substrate includes a spacing area located in the display area, the spacing area being located between opening areas of pixel define layers of adjacent light emitting structures.

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.