发明名称 |
SYSTEM AND METHOD FOR PROVIDING A UNIFORM BACKLIGHT |
摘要 |
An illumination system includes an illumination source such as an array of LED's over which is provided a diffuser. The illumination source provides light which, because of light refraction, radiates generally uniformly from edge to edge of the diffuser. The diffuser may be a planar flat piece of may include a hollow, cup like structure formed by a frame with a cover. The illumination system may be scaled up to provide multiple such illumination devices side by side to provide a greater area or strength of illumination. Multiple systems may utilize multiple diffusers or a single diffuser covering multiple illumination sources. The illumination source may be mounted to a backplate or heatsink which is larger than the illumination source to facilitate the addition of further electronic circuitry and or mounting capabilities.
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申请公布号 |
US2008080180(A1) |
申请公布日期 |
2008.04.03 |
申请号 |
US20070758774 |
申请日期 |
2007.06.06 |
申请人 |
SIEMENS ENERGY AND AUTOMATION, INC. |
发明人 |
MESSINA MICHAEL C.;DUNN SHEILA B. |
分类号 |
G02B5/02 |
主分类号 |
G02B5/02 |
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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