Light guide board and backlight module set |
Title: |
Light guide board and backlight module set |
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Application Number: |
200410083029 |
Application Date: |
2004/09/18 |
Announcement Date: |
2006/03/08 |
Pub. Date: |
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Publication Number: |
1743912 |
Announcement Number: |
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Grant Date: |
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Granted Pub. Date: |
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ApplicationType: |
Invention |
State/Country: |
11[China|beijing] |
IPC: |
G02F 1/1335, G02B 5/02 |
Applicant(s): |
Tsinghua Univ. |
Inventor(s): |
Feng Di, Yang Xingpeng, Jin Guofan, Liu Haitao, Yan Yingbai, Fan Shoushan |
Key Words: |
Light guide board, backlight module set |
Abstract: |
This invention refers to light guiding board and backlight module used for LCD field, which contains one incoming surface, one outgoing surface and a reflection surface with reflection increased film, wherein said reflection surface forming plurality of V shape structure convex towards said light guiding board and having equal angle, whose apex angle is 40-95 degree, the first and second bottom angle formed with reflection surface is respectively 70-90 degree and 15-50 degree, the part light emitted from light source incoming said light guiding board through incoming surface and outgoing along direction vertical with outgoing surface after reflecting by reflection surface. Said invention also provides backlight module. |
Claim: |
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Priority: |
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PCT: |
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LegalStatus: |
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