发明名称 |
Fresnel lens and liquid crystal display device |
摘要 |
A display device including liquid crystal display panels, arrays of convergently transmissive elements for forming an erect and real image, and fresnel lenses for magnifying the image. The configured surface of the fresnel lens is arranged on the light incident side. The configured surface includes periodic ridges with flat crests and inclined surfaces. Shading layers are provided on the flat crests to eliminate ghosts.
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申请公布号 |
US6211932(B1) |
申请公布日期 |
2001.04.03 |
申请号 |
US20000548086 |
申请日期 |
2000.04.11 |
申请人 |
FUJITSU LIMITED |
发明人 |
IIGAHAMA YUKIO;FUKUHARA MOTOHIKO |
分类号 |
G02F1/1333;G02F1/1335;G03B21/60;G03B21/62;(IPC1-7):G02F1/133;G02F1/133;G02F1/13 |
主分类号 |
G02F1/1333 |
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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