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Patent Searching and Data


Title:
DIFFUSE REFLECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/147562
Kind Code:
A1
Abstract:
A diffuse reflection device, comprising a first lens array (3) having a plurality of lenses (6) and a second lens array (5) having a plurality of lenses (7). During the operation period of the diffuse reflection device, light sequentially passes through the first lens array and the second lens array. The diffuse reflection device comprises a first transparent substrate (10) having an incidence surface (2) and an emergence surface (4) and a second transparent substrate (11) having the incidence surface (2) and the emergence surface (4). The first lens array (3) is disposed on the first substrate (10) and the second lens array (5) is disposed on the second substrate (11), or the second lens array (5) is disposed on the first substrate (10) and the first lens array (3) is disposed on the second substrate (11), and the first substrate (10) and the second substrate (11) are spaced apart from each other, especially when an air gap (12) is provided between the first substrate (10) and the second substrate (11).

Inventors:
KRASNABERSKI ALIAKSEI (DE)
HAUSCHILD DIRK (DE)
Application Number:
PCT/CN2020/135868
Publication Date:
July 29, 2021
Filing Date:
December 11, 2020
Export Citation:
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Assignee:
FOCUSLIGHT TECH INC (CN)
International Classes:
G02B3/00; G02B1/14; G02B5/02; G02B27/09
Domestic Patent References:
WO2019067095A12019-04-04
Foreign References:
US20190187341A12019-06-20
CN108780164A2018-11-09
CN105474090A2016-04-06
CN110095872A2019-08-06
Attorney, Agent or Firm:
CHOFN INTELLECTUAL PROPERTY (CN)
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