发明名称 |
COMPUTER HOLOGRAM AND MANUFACTURING METHOD FOR THE SAME, LIGHT REFLECTOR USING COMPUTER HOLOGRAM, AND REFLECTION TYPE LIQUID CRYSTAL DISPLAY DEVICE USING COMPUTER HOLOGRAM |
摘要 |
PROBLEM TO BE SOLVED: To solve the problem that is takes a long time for exposure when manufacturing a rugged die for manufacturing a computer hologram, particularly when photo-etching in conventional technique. SOLUTION: A computer hologram 1 is set as an array of minute element holograms 2 with mutually the same phase distribution, and the calculation of rugged depth from the phase distribution and burden on a plotter during the exposure at the photo-etching are reduced to reduce the exposure time. |
申请公布号 |
JP2001356673(A) |
申请公布日期 |
2001.12.26 |
申请号 |
JP20000173935 |
申请日期 |
2000.06.09 |
申请人 |
DAINIPPON PRINTING CO LTD |
发明人 |
HAMANO TOMOTSUNE;KITAMURA MITSURU;KODAMA DAIJIRO;FUJITA HIROSHI;YABUHARA HIDEO |
分类号 |
G02B5/32;G02F1/1335;G03H1/04;G03H1/08 |
主分类号 |
G02B5/32 |
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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