Title:
LIGHT DIFFUSION LENS
Document Type and Number:
WIPO Patent Application WO/2020/116830
Kind Code:
A1
Abstract:
A light diffusion lens is disclosed. A light diffusion lens according to one embodiment of the present invention comprises: a lower surface having a short axis and a long axis; a light incident surface recessed inward from a partial region (entrance aperture) of the lower surface; and a light emitting surface through which light that is incident through the light incident surface is emitted, wherein the light emitting surface includes a curved upper surface, and a lateral surface for vertically connecting the outer periphery of the upper surface and the outer periphery of the lower surface.
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Inventors:
LEE KANG HYUN (KR)
KI HO KYUNG (KR)
KI HO KYUNG (KR)
Application Number:
PCT/KR2019/015950
Publication Date:
June 11, 2020
Filing Date:
November 20, 2019
Export Citation:
Assignee:
HL OPTICS CO LTD (KR)
International Classes:
G02B3/00
Foreign References:
| KR20180118512A | 2018-10-31 | |||
| KR20150041692A | 2015-04-17 | |||
| KR20150009860A | 2015-01-27 | |||
| KR20150116607A | 2015-10-16 | |||
| JP2006332054A | 2006-12-07 |
Attorney, Agent or Firm:
ERUUM & LEEON INTELLECTUAL PROPERTY LAW FIRM (KR)
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