Title:
Back light unit
Document Type and Number:
Japanese Patent JP6101748
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a backlight unit which provides light of uniform luminance and allows a simplified structure.SOLUTION: The present invention provides a backlight unit having a reflective portion. The backlight unit includes: a light source module for emitting light; a first reflective portion, which is arranged in a first distance away from one side of the light source module and has an open region; and a second reflective portion, which is arranged in a second distance away from the other side of the light source module, the second distance being greater than the first distance, and has at least a portion with a sloped surface for reflecting the light toward the open region of the first reflective portion.
Inventors:
Ko, Sujin
Application Number:
JP2015141631A
Publication Date:
March 22, 2017
Filing Date:
July 15, 2015
Export Citation:
Assignee:
LG Innotek Co., Ltd
International Classes:
F21S2/00; F21V5/00; F21V5/02; F21V7/00; F21V7/09; F21V14/02; F21V19/00; F21V19/02; G02F1/13357
Foreign References:
| US4989122 | ||||
| US5136483 |
Attorney, Agent or Firm:
Makoto Ono
Kenkyo Kanayama
Kazuki Shigemori
Hidehiko Ichikawa
Yoshikazu Iwase
Kenkyo Kanayama
Kazuki Shigemori
Hidehiko Ichikawa
Yoshikazu Iwase