Title:
LIGHT UNIT, BACKLIGHT, FRONT LIGHT, AND DISPLAY
Document Type and Number:
WIPO Patent Application WO/2008/007487
Kind Code:
A1
Abstract:
A light unit, a backlight, a front light, and a display in which sufficient light impinges
even on the end portion of a display region without having a complicated structure
and occurrence of uneven brightness in a display is suppressed by irradiating the
entire display region uniformly with a sufficient quantity of light. The light
unit comprises a light guide plate, and an array of a plurality of light sources arranged
opposite to at least one side face of the light guide plate, wherein one or more
of the light sources at least at one end are located on the laterally outside of
the display region. The light unit is suitably employed in a side light type backlight
or front light.
Inventors:
TAKAHASHI YUHJI
Application Number:
PCT/JP2007/058197
Publication Date:
January 17, 2008
Filing Date:
April 13, 2007
Export Citation:
Assignee:
SHARP KK (JP)
TAKAHASHI YUHJI
TAKAHASHI YUHJI
International Classes:
F21V8/00; G02F1/13357; F21Y101/02
Foreign References:
| JP2002350846A | 2002-12-04 | |||
| JP2000221500A | 2000-08-11 | |||
| JP2002093232A | 2002-03-29 | |||
| JP2001043718A | 2001-02-16 | |||
| JP2002100231A | 2002-04-05 | |||
| JP2002157911A | 2002-05-31 | |||
| JP2003132722A | 2003-05-09 | |||
| JP2002203422A | 2002-07-19 | |||
| JP2002350846A | 2002-12-04 | |||
| JP2006190859A | 2006-07-20 |
Other References:
See also references of EP 2039988A4
Attorney, Agent or Firm:
YASUTOMI, Yasuo et al. (5-36 Miyahara 3-chome,Yodogawa-ku, Osaka-sh, Osaka 03, JP)
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