Title:
ILLUMINATION DEVICE, DISPLAY DEVICE, TELEVISION RECEIVING DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/024713
Kind Code:
A1
Abstract:
This backlight device (12) is provided with: an LED (24); an LED substrate (25) on which the LED (24) is mounted; a reflective sheet (29) which reflects light from the LED (24), has a lens insertion hole (29d) into which the LED (24) is inserted, and is arranged so as to cover the mounting surface (25a1) of the LED (24) on the LED substrate (25); a first optical reflective layer (30) which is formed in at least the portion of the mounting surface (25a1) of the LED substrate (25) that is inside the lens insertion hole (29d), and which reflects light from the LED (24); and a second optical reflective layer (31) which is arranged in at least the portion of the mounting surface (25a1) of the LED substrate (25) that is inside the lens insertion hole (29d), has an optical reflectivity different from that of the first optical reflective layer (30), and is formed to have a shape partially overlapping the first optical reflective layer (30).
Inventors:
KUROMIZU YASUMORI
Application Number:
PCT/JP2012/069812
Publication Date:
February 21, 2013
Filing Date:
August 03, 2012
Export Citation:
Assignee:
SHARP KK (JP)
KUROMIZU YASUMORI
KUROMIZU YASUMORI
International Classes:
F21S2/00; F21V5/00; F21V5/04; G02F1/13357; H04N5/66; F21Y101/02
Domestic Patent References:
| WO2011036953A1 | 2011-03-31 |
Foreign References:
| JP2008286955A | 2008-11-27 | |||
| JP2002258022A | 2002-09-11 |
Attorney, Agent or Firm:
AKATSUKI UNION PATENT FIRM (JP)
Patent business corporation dawn joint patent firm (JP)
Patent business corporation dawn joint patent firm (JP)
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Claims: