Title:
ILLUMINATING DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER
Document Type and Number:
WIPO Patent Application WO/2010/038522
Kind Code:
A1
Abstract:
A backlight device (12) is provided with: an LED (16) having a light emitting surface (16a); and a light guide plate (18) having a light incoming surface (34), which is arranged to face the light emitting surface (16a) and permits light emitted from the light emitting surface (16a) to enter, and a light outgoing surface (36) which permits light to be outputted therefrom. The light emitting surface (16a) and the light incoming surface (34) have curved shapes, respectively, and AR coating as optical treatment is performed to the light incoming surface (34). On the light incoming surface (34), an AR coat layer (47) is formed. Thus, high luminance can be obtained.
Inventors:
CHO Shiyoshi (())
Application Number:
JP2009/061209
Publication Date:
April 08, 2010
Filing Date:
June 19, 2009
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:
AKATSUKI UNION PATENT FIRM (5th Floor, Nittochi Nagoya Bldg. 1-1, Sakae 2-chome, Naka-ku, Nagoya-sh, Aichi 08, 〒4600008, JP)