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Patent Searching and Data


Title:
LIGHT-EMITTING DEVICE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/104595
Kind Code:
A1
Abstract:
A light-emitting device and a preparation method therefor. The preparation method for the light-emitting device comprises: providing an epitaxial substrate (1), wherein the epitaxial substrate (1) has a first recessed portion (101), and an inner surface of the first recessed portion (101) is a curved surface; epitaxially growing a light-emitting structure layer (2) on the epitaxial substrate (1), wherein the light-emitting structure layer (2) comprises a first surface (204) and a second surface (205) opposite to each other, and the second surface (205) protrudes toward the first recessed portion (101); forming a first reflector layer (3) on the first surface (204); and removing the epitaxial substrate (1), and forming a second reflector layer (8) covering the second surface (205). The method can be used to form a curved-surface resonant cavity.

Inventors:
CHENG KAI (CN)
Application Number:
PCT/CN2020/129776
Publication Date:
May 27, 2022
Filing Date:
November 18, 2020
Export Citation:
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Assignee:
ENKRIS SEMICONDUCTOR INC (CN)
International Classes:
H01L33/46
Foreign References:
CN101615647A2009-12-30
US20060014310A12006-01-19
US6661823B12003-12-09
CN110071200A2019-07-30
CN101651181A2010-02-17
US6881984B22005-04-19
CN102194945A2011-09-21
Attorney, Agent or Firm:
BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION (CN)
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