Title:
LIGHTING DEVICE AND DISPLAY APPARATUS
Document Type and Number:
WIPO Patent Application WO/2011/152075
Kind Code:
A1
Abstract:
Provided is a lighting device capable of obtaining planar light with good uniformity in which the occurrence of a bright line or a bright point is suppressed while achieving improved display performance and reduced power consumption. Specifically disclosed is a backlight unit (lighting device) (50) provided with a plurality of LEDs (22), and a light guide (30) which includes an incident end (32) on which light from the LEDs (22) is incident and comprises a plurality of light guide portions (31a) for guiding the incident light. In the light guide (30), an uneven portion (35) for reflecting the guided light is formed in the leading end surface (33a) that is a surface on the reverse side of the incident end (32).
Inventors:
MASUDA Takeshi (())
Application Number:
JP2011/050233
Publication Date:
December 08, 2011
Filing Date:
January 11, 2011
Export Citation:
Assignee:
SHARP KABUSHIKI KAISHA (22-22, Nagaike-Cho Abeno-Ku, Osaka-Sh, Osaka 22, 〒5458522, JP)
シャープ株式会社 (〒22 大阪府大阪市阿倍野区長池町２２番２２号 Osaka, 〒5458522, JP)
シャープ株式会社 (〒22 大阪府大阪市阿倍野区長池町２２番２２号 Osaka, 〒5458522, JP)
International Classes:
F21S2/00; G02F1/13357; F21Y101/02
Attorney, Agent or Firm:
SANO Shizuo (Tenmabashi-Yachiyo Bldg. Bekkan, 2-6 Tenmabashi-Kyomachi, Chuo-Ku, Osaka-Sh, Osaka 32, 〒5400032, JP)
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Claims:
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