Title:
LIGHT DIFFUSION LENS
Document Type and Number:
WIPO Patent Application WO/2018/194255
Kind Code:
A1
Abstract:
A light diffusion lens for remedying the hot spot effect and the dark zone effect is disclosed. The light diffusion lens for diffusing light generated by an LED comprises: a hemispherical body made of a glass material or a plastic material; an upper surface forming the upper appearance of the body; a lower surface forming the lower appearance of the body; an elliptical incident port formed at the center of the lower surface so as to receive the LED therethrough; and an incident surface formed in a convex shape extending from the incident port toward the upper surface.
Inventors:
WOO JI HUN (KR)
KO SEOK CHAE (KR)
KO SEOK CHAE (KR)
Application Number:
PCT/KR2018/002248
Publication Date:
October 25, 2018
Filing Date:
February 23, 2018
Export Citation:
Assignee:
HLOPTICS CO LTD (KR)
International Classes:
G02B19/00; G02B1/04; G02B3/00
Domestic Patent References:
| WO2013094599A1 | 2013-06-27 |
Foreign References:
| KR20140097724A | 2014-08-07 | |||
| KR101690740B1 | 2016-12-29 | |||
| KR20120011185A | 2012-02-07 | |||
| KR20150116607A | 2015-10-16 |
Other References:
See also references of EP 3614189A4
Attorney, Agent or Firm:
CHO, Hyeon Seog (KR)
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