| 发明名称 |
LENS SHEET, SURFACE LIGHT SOURCE ELEMENT USING THE SAME AND LIQUID CRYSTAL DISPLAY DEVICE |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a prism sheet excellent in abrasion resistance without drastically degrading the brightness as a surface light source element. <P>SOLUTION: In the prism sheet formed by arranging a large number of prism arrays of approximate triangle shape in parallel on at least one side surface, flat parts having width of 5 μm or less are formed on top ends of the prism arrays. <P>COPYRIGHT: (C)2007,JPO&INPIT |
| 申请公布号 |
JP2006309248(A) |
申请公布日期 |
2006.11.09 |
| 申请号 |
JP20060129560 |
申请日期 |
2006.05.08 |
| 申请人 |
MITSUBISHI RAYON CO LTD |
发明人 |
YONEDA MUNEHISA;CHIBA KAZUKIYO |
| 分类号 |
G02B5/02;F21V5/02;F21V8/00;F21Y103/00;G02F1/1335;G02F1/13357 |
主分类号 |
G02B5/02 |
| 代理机构 |
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