Title:
面状光源装置及び液晶表示装置
Document Type and Number:
Japanese Patent JP6402941
Kind Code:
B2
Abstract:
A planar light source device includes at least a light guide plate and a lamp unit disposed replaceably at a side surface of the plate. The lamp unit includes: a lamp holder having a shape where a surface facing the side surface of the light guide plate is opened; an LED mounted on a flexible cable, the cable fixed on an inner surface of the lamp holder; and a shielding sheet fixed on an outer surface of the lamp holder. An upper portion of the lamp holder located close to a light emitting surface of the light guide plate does not overlap its light emitting surface when viewed from a normal direction of the light emitting surface. One end of the shielding sheet is fixed to the upper portion of the lamp holder, the other end being closely attached to the light emitting surface of the light guide plate.
Inventors:
Hideki Itaya
Application Number:
JP2015537490A
Publication Date:
October 10, 2018
Filing Date:
September 18, 2013
Export Citation:
Assignee:
tianma japan corporation
International Classes:
F21S2/00; F21V19/00; G02F1/1333; G02F1/13357
Domestic Patent References:
| JP2001052520A | ||||
| JP2008186780A | ||||
| JP2007149501A | ||||
| JP2007080802A | ||||
| JP2009080947A | ||||
| JP2003346535A |
Foreign References:
| WO2012102193A1 | ||||
| WO2012128063A1 |
Attorney, Agent or Firm:
Hideno Kono