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Patent Searching and Data


Title:
LIGHT-EMITTING DEVICE AND DISPLAY APPARATUS
Document Type and Number:
WIPO Patent Application WO/2023/225782
Kind Code:
A1
Abstract:
The present application provides a light-emitting device and a display apparatus. The light-emitting device comprises: a substrate; at least two light-emitting units, orthographic projections of two adjacent light-emitting units on the substrate being overlapped along a direction perpendicular to a plane where the substrate is located; and at least one patterned bonding layer located between the two adjacent light-emitting units and comprising a plurality of bonding portions arranged at intervals, the bonding portions being fixed and electrically connected to the two adjacent light-emitting units, wherein orthographic projections of the bonding portions on the substrate are located within orthographic projections of the light-emitting units on the substrate, and a sum of areas of the orthographic projections of all the bonding portions on the substrate is smaller than the area of an orthographic projection of a light-exiting surface of the light-emitting device on the substrate. The light-emitting device provided by embodiments of the present application has high light-emitting efficiency and good wavelength uniformity.

Inventors:
WANG CAN (CN)
XUAN MINGHUA (CN)
LIANG XUAN (CN)
DONG XUE (CN)
QI QI (CN)
YANG MINGKUN (CN)
Application Number:
PCT/CN2022/094409
Publication Date:
November 30, 2023
Filing Date:
May 23, 2022
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
International Classes:
H01L33/08; H01L33/00
Foreign References:
CN113871517A2021-12-31
US20200402964A12020-12-24
CN1490888A2004-04-21
CN102169885A2011-08-31
Attorney, Agent or Firm:
BEIJING RUN ZEHENG INTELLECTUAL PROPERTY LAW FIRM (CN)
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