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Patent Searching and Data


Title:
LIGHT DIFFUSION ADJUSTING FILTER FORMING SCREEN SURFACE
Document Type and Number:
Japanese Patent JPH10206975
Kind Code:
A
Abstract:

To provide the filter forming the screen surface which gives a high contrast ratio and a light diffusing function and prevents deterioration due to a reflecting phenomenon of external light, etc., peeling, etc.

The screen is formed on a light diffusion adjusting filter 1A, 1B, or 1C by forming a nonreflective print part 2a including black parts arrayed at equal intervals on a surface diffusion layer 1a of a light diffusion film 1 within a range of 0.2≤d≤3.0 and 1.5≤p/d≤15, where d is its size d(mm) and (p) is the array pitch (mm), and further selectively printing a nonreflective ground 2b including a black ground over the entire reverse surface of the light diffusion film 1.


Inventors:
TAKESAKO MASAFUMI
Application Number:
JP2445797A
Publication Date:
August 07, 1998
Filing Date:
January 24, 1997
Export Citation:
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Assignee:
TAGUCHI TATSUO
International Classes:
G03B21/60; G02B1/11; G02B5/02; (IPC1-7): G03B21/60; G02B1/11; G02B5/02
Attorney, Agent or Firm:
Minoru Kudaka