Title:
LIGHT-EMITTING SUBSTRATE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/217229
Kind Code:
A1
Abstract:
The present disclosure relates to a light-emitting substrate and a preparation method therefor. The light-emitting substrate comprises a substrate, wherein a plurality of light-emitting devices are arranged on the substrate at intervals; a first light-shielding structure is arranged at a gap between the light-emitting devices, and the first light-shielding structure is used for shielding light which is emitted from the light-emitting device in a lateral direction; and the first light-shielding structure and the light-emitting devices do not overlap in a target light emission direction of the light-emitting devices, or, an overlapping area between the first light-shielding structure and the light-emitting devices in the target light emission direction of the light-emitting devices is less than a set value. Since a first light-shielding structure is arranged at a gap between light-emitting devices, it is possible to shield light which is emitted from the light-emitting device in a lateral direction, so as to prevent the light from irradiating other light-emitting devices and generating crosstalk of the light. Moreover, the light which is emitted from the light-emitting devices in a target light emission direction is not shielded or not completely shielded, thereby alleviating or eliminating the adverse effects on the light effect of the light-emitting devices, and therefore the light emission effect of a light emission surface of a light-emitting substrate can be improved.
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Inventors:
ZHOU TINGTING (CN)
ZHANG FANGZHEN (CN)
NIU JING (CN)
WANG WEI (CN)
NIU YANAN (CN)
SUN SHUANG (CN)
ZHANG FANGZHEN (CN)
NIU JING (CN)
WANG WEI (CN)
NIU YANAN (CN)
SUN SHUANG (CN)
Application Number:
PCT/CN2023/093522
Publication Date:
November 16, 2023
Filing Date:
May 11, 2023
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
International Classes:
H01L27/15
Foreign References:
| CN114744007A | 2022-07-12 | |||
| CN114927605A | 2022-08-19 | |||
| CN112786742A | 2021-05-11 | |||
| CN111710690A | 2020-09-25 | |||
| CN113451351A | 2021-09-28 | |||
| US20140367675A1 | 2014-12-18 |
Attorney, Agent or Firm:
DRAGON INTELLECTUAL PROPERTY LAW FIRM (CN)
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