发明名称 |
Backlight unit uniformly illuminating object regardless of lapse of time and liquid crystal display panel device using the same |
摘要 |
A liquid crystal display panel device has a backlight unit for illuminating the reverse surface of a liquid crystal display panel, and the backlight unit includes a diffusion plate, a diffusion sheet adhered to one of the major surfaces of the diffusion plate, a lamp house and a moisture-proof sheet inserted between the other surface of the diffusion plate and the lamp house; the moisture-proof sheet prevents the diffusion plate from vaporization of water contained in the diffusion plate, and the diffusion plate is not warped; the diffusion plate maintains the initial shape immediately after the assemblage into the backlight unit so that the liquid crystal display panel is continuously uniformly illuminated by the backlight unit.
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申请公布号 |
US7178963(B2) |
申请公布日期 |
2007.02.20 |
申请号 |
US20020205367 |
申请日期 |
2002.07.26 |
申请人 |
NEC LCD TECHNOLOGIES, LTD. |
发明人 |
UEDA SHOICHI;SAKAKI YOSHINOBU |
分类号 |
F21V7/04;F21S2/00;F21Y103/00;G02F1/13357;G09F9/00;G09F9/35 |
主分类号 |
F21V7/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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