发明名称 |
Witte oppervlaklichtbron en vloeibaar kristal weergave inrichting. |
摘要 |
<p>A white surface light source comprising a light diffuser plate and a light source provided on the back side of the light diffuser plate, wherein the light source comprises at lease one LED element which emits lights including a red color, and the light diffuser plate comprises a transparent material and light diffusing particles dispersed in the transparent material, and wherein an absolute value An of a refractive index difference between the transparent material and the light diffusing particles, and a 50% cumulative particle diameter D<SUB>50 </SUB>(mum) of the light diffusing particles satisfy the relationship: 0.25<DeltaNxD<SUB>50</SUB><0.61 or 0.75<DeltaN'D<SUB>50</SUB>.</p> |
申请公布号 |
NL1035132(A1) |
申请公布日期 |
2008.09.09 |
申请号 |
NL20081035132 |
申请日期 |
2008.03.05 |
申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
HIROKO KANAYA;AKIYOSHI KANEMITSU |
分类号 |
G02F1/13357;F21V3/00;G02F1/1335 |
主分类号 |
G02F1/13357 |
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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