Title:
BACKLIGHT UNIT AND DISPLAY DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2020/158976
Kind Code:
A1
Abstract:
The present embodiment comprises: a plurality of light-emitting units; and a reflector including reflector units having spaces formed to receive the plurality of light-emitting units, respectively. Each of the plurality of light-emitting units includes an LED package mounted on a substrate and a light diffusion layer having a groove portion formed on a surface opposite to the substrate in the LED package, wherein the outer circumference of the light diffusion layer faces the inner surface of a reflector unit. In the reflector, the plurality of reflector units are integrally formed, the spaces expand along a direction extending away from the substrate, and a wall forming each of the spaces surrounds the outer circumference of each of the LED package and the light diffusion layer.
Inventors:
SIM SUJIN (KR)
KIM MINHO (KR)
LEE UIHYUNG (KR)
JUNG YONGMIN (KR)
JOUNG JUYOUNG (KR)
KIM MINHO (KR)
LEE UIHYUNG (KR)
JUNG YONGMIN (KR)
JOUNG JUYOUNG (KR)
Application Number:
PCT/KR2019/001337
Publication Date:
August 06, 2020
Filing Date:
January 31, 2019
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
F21V8/00
Foreign References:
| US20040218390A1 | 2004-11-04 | |||
| JP5474812B2 | 2014-04-16 | |||
| JP2007149451A | 2007-06-14 | |||
| JP2004319340A | 2004-11-11 | |||
| CN103148449A | 2013-06-12 | |||
| KR101832311B1 | 2018-02-26 |
Other References:
See also references of EP 3760919A4
Attorney, Agent or Firm:
HAW, Yong Noke (KR)
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