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Title:
DISPLAY SUBSTRATE AND DISPLAY APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/197110
Kind Code:
A1
Abstract:
A display substrate and a display apparatus The display substrate comprises functional elements and a pixel defining pattern, wherein each functional element comprises a functional layer; the functional elements at least comprise light-emitting elements of two colors; and the pixel defining pattern comprises openings and a defining portion, and the functional elements are at least partially located in the openings. First areas and second areas are distributed in the display substrate, wherein the first areas correspond to the openings, and the second areas are covered by the defining portion. The plurality of second areas comprise a plurality of recessed areas; each functional layer comprises a part located in the recessed area and a part located in a light emission area adjacent to the recessed area, and the area of the recessed area is not greater than the area of the light emission area; and with regard to a film layer located in the recessed area and the light emission area, the side surface thereof closest to a base substrate respectively has a first height and a second height relative to the base substrate, the first height not being greater than the second height. In the display substrate provided in the embodiments of the present disclosure, the first height is not greater than the second height, which is beneficial for adjusting the uniformity of the film layer which is formed in the light emission area by means of ink-jet printing.

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WO/2022/065750ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DEVICE INCLUDING THE SAME
WO/2015/014843ORGANIC LIGHT-EMITTING DIODE AND ASSEMBLY HAVING AN ORGANIC LIGHT-EMITTING DIODE
WO/2020/244101DISPLAY DEVICE AND ENCAPSULATION METHOD THEREFOR
Inventors:
WANG HONGLI (CN)
LI PAN (CN)
WANG HUIFENG (CN)
WANG XINXIN (CN)
WU XINYIN (CN)
Application Number:
PCT/CN2022/086132
Publication Date:
October 19, 2023
Filing Date:
April 11, 2022
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
BEIJING BOE TECHNOLOGY DEV CO LTD (CN)
International Classes:
H01L51/52; H01L27/32
Foreign References:
CN110649173A2020-01-03
CN113097416A2021-07-09
CN107104130A2017-08-29
CN107799555A2018-03-13
US20160071910A12016-03-10
Attorney, Agent or Firm:
LIU, SHEN & ASSOCIATES (CN)
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