Title:
THIN FILM OPTICAL LENS HAVING MICROSTRUCTURES, DESIGN METHOD AND LIGHTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/010748
Kind Code:
A1
Abstract:
A thin film optical lens that has microstructures, comprising: at least one lens unit (1), the lens unit (1) comprising a light incident surface and a light emergent surface, and the light incident surface being provided with: a first microstructure (11) that maintains the original propagation direction of light, a second microstructure (12) that controls the propagation direction of the light by means of refraction, and a third microstructure (13) that controls the propagation direction of the light by means of total internal reflection. The lens unit (1) controls the propagation path and the propagation direction of incident light by means of the first microstructure (11), second microstructure (12) and third microstructure (13).
Inventors:
XU RIMIN (CN)
SUN LIQIANG (CN)
SUN LIQIANG (CN)
Application Number:
PCT/CN2018/111762
Publication Date:
January 16, 2020
Filing Date:
October 25, 2018
Export Citation:
Assignee:
SHANGHAI CATCHING NEW MATERIAL TECH CO LTD (CN)
International Classes:
F21V5/04; F21V5/00; F21Y115/10
Foreign References:
| CN207262345U | 2018-04-20 | |||
| CN207034987U | 2018-02-23 | |||
| CN206280919U | 2017-06-27 | |||
| CN201307167Y | 2009-09-09 | |||
| CN203907478U | 2014-10-29 | |||
| CN207162438U | 2018-03-30 | |||
| US20100253591A1 | 2010-10-07 |
Attorney, Agent or Firm:
SHANGHAI HANGSOME INTELLECTUAL PROPERTY LTD (CN)
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