Title:
LIGHTING DEVICE AND A PROJECTING DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2012/008656
Kind Code:
A1
Abstract:
The lighting device and the projecting display device using same according to the present invention can increase optical efficiency output from the opening of a reflective cover, by comprising: a dichroic coating layer for selectively reflecting light of a specific wavelength; and a wavelength-conversion layer for converting some of the light which falls incident at a first wavelength to a second wavelength.
Inventors:
SUNG, Myeonchang (LG ELECTRONICS INC. IP GROUP, 16 Woomyeon-dong, Seocho-gu, Seoul 137-724, 137-724, KR)
성면창 (서울시 서초구 우면동 16 LG전자 전자기술원, 137-724 Seoul, 137-724, KR)
성면창 (서울시 서초구 우면동 16 LG전자 전자기술원, 137-724 Seoul, 137-724, KR)
Application Number:
KR2010/007023
Publication Date:
January 19, 2012
Filing Date:
October 14, 2010
Export Citation:
Assignee:
LG ELECTRONICS INC. (20 Yeouido-dong, Yeongdeungpo-gu, Seoul 150-721, 150-721, KR)
엘지전자 주식회사 (서울 영등포구 여의도동 20, 150-721 Seoul, 150-721, KR)
SUNG, Myeonchang (LG ELECTRONICS INC. IP GROUP, 16 Woomyeon-dong, Seocho-gu, Seoul 137-724, 137-724, KR)
엘지전자 주식회사 (서울 영등포구 여의도동 20, 150-721 Seoul, 150-721, KR)
SUNG, Myeonchang (LG ELECTRONICS INC. IP GROUP, 16 Woomyeon-dong, Seocho-gu, Seoul 137-724, 137-724, KR)
International Classes:
H04N5/74; F21V33/00
Attorney, Agent or Firm:
HAW, Yong-Noke (6th Fl. Hyun Juk Bldg, 832-41 Yeoksam-dong,Gangnam-gu, Seoul 135-080, 135-080, KR)
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Claims: