Title:
ILLUMINATION DEVICE, DISPLAY DEVICE AND TELEVISION RECEIVER
Document Type and Number:
WIPO Patent Application WO/2012/008243
Kind Code:
A1
Abstract:
Disclosed is a backlighting device (illumination device) (12) comprising: an LED (light source) (17); a light guide member (19) which has an optical input face (19b) onto which light is input from the LED (17); a polygonal mirror (turning reflection body) (22) which reflects light from the LED (17) while rotating (turning), and scans the optical input face (19b) by means of the reflected light; and a control section (25) which, when the optical input face (19b) is divided into a plurality of regions (divided optical input faces (19bS)) in the scanning direction (X-axis direction) of the reflected light from the polygonal mirror (22), controls the light emission state of the LED (17) in a time-divided manner corresponding to the scanning period of the reflected light for each region.
Inventors:
CHO Shiyoshi (())
Application Number:
JP2011/063041
Publication Date:
January 19, 2012
Filing Date:
June 07, 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:
G02B26/12; F21S2/00; G02F1/13357; H05B37/02; 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)
Claims:
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