Title:
EXTINCTION STRUCTURE AND PREPARATION METHOD THEREFOR, OPTICAL MODULE, AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/190410
Kind Code:
A1
Abstract:
Disclosed are an extinction structure and a preparation method therefor, an optical module, and an electronic device. The extinction structure comprises a base (100), a metal attachment layer (200) and a blackening treatment layer (300), wherein the base (100) has a light reflection area; the metal attachment layer (200) is arranged on the light reflection area; the blackening treatment layer (300) is arranged on the metal attachment layer (200); and the surface of the blackening treatment layer (300) has at least two lattice bodies (310).
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Inventors:
QIAN XINCHANG (CN)
Application Number:
PCT/CN2021/081769
Publication Date:
September 30, 2021
Filing Date:
March 19, 2021
Export Citation:
Assignee:
VIVO MOBILE COMMUNICATION CO LTD (CN)
International Classes:
G03B11/04; G03B30/00
Foreign References:
| CN111240127A | 2020-06-05 | |||
| CN208636512U | 2019-03-22 | |||
| CN208707776U | 2019-04-05 | |||
| CN208921941U | 2019-05-31 | |||
| CN209387969U | 2019-09-13 | |||
| TW201106037A | 2011-02-16 | |||
| US7344263B2 | 2008-03-18 |
Attorney, Agent or Firm:
COHORIZON INTELLECTUAL PROPERTY INC. (CN)
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