Title:
TRANSMISSION TYPE SCREEN AND DIFFUSING SHEET
Document Type and Number:
Japanese Patent JP2005037496
Kind Code:
A
Abstract:
To provide a transmission type screen which displays sharper images by reducing flicker, glare, roughness, etc.
The transmission type screen 10 has a Fresnel lens section 11 having a Fresnel lens shape, and includes a diffusing section in the Fresnel lens section 11 and/or in a section which is closer to the light outgoing side than this. The diffusing section contains light diffusing particles P11. The average particle diameter of the light diffusing particles P11 is not greater than 1/5 of the pitch of the Fresnel lens section 11.
Inventors:
MIYATA HIDEKI
TAKAHASHI KATSUNORI
TAKAHASHI KATSUNORI
Application Number:
JP2003197878A
Publication Date:
February 10, 2005
Filing Date:
July 16, 2003
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
G02B3/08; G02B5/02; G03B21/10; G03B21/62; G03B21/625; (IPC1-7): G03B21/62; G02B3/08; G02B5/02
Attorney, Agent or Firm:
Hisao Kamada
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