Title:
液晶表示装置
Document Type and Number:
Japanese Patent JP3620840
Kind Code:
B2
Abstract:
Is disclosed a liquid crystal display device in which a lamp chamber and a liquid crystal display panel chamber partitioned by a light diffusion plate communicate with each other and further with the ambient air through vents to prevent the occurrence of deformation of the light diffusion plate. The liquid crystal display device is provided with a shield portion (1) with a reflecting sheet (6) placed thereon for reflecting light generated from lamps (5) accommodated therein, a light diffusion plate (2) and/or an optical sheet (3), wherein the light diffusion plate (2) an/or the optical sheet (3) are provided each in a marginal portion with at least a vent (2a, 3a) and the shield portion is also provided in its marginal portion corresponding to the vents (2a, 3a) with a vent (1a) open to the ambient air. An air passage through the vents (2a, 3a) communicating the lamp chamber (30) accommodating the lamps with the LCD panel chamber (31) containing the LCD panel and communicating through the vent (1a) with the ambient air is thus formed inside the LCD device.
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Inventors:
Masaki Shimizu
Application Number:
JP2002208477A
Publication Date:
February 16, 2005
Filing Date:
July 17, 2002
Export Citation:
Assignee:
Sharp Corporation
International Classes:
G02F1/1333; G02F1/13; G02F1/13357; G09F9/00; G09F9/35; G02F1/1335; (IPC1-7): G09F9/00; G02F1/1333; G02F1/13357; G09F9/35
Domestic Patent References:
| JP2001265234A | ||||
| JP2017718U |
Attorney, Agent or Firm:
Hideo Fujiwara
Maruyama Mitsunobu
Maruyama Mitsunobu