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Patent Searching and Data


Title:
LIGHT DIFFUSIBLE RESIN LAMINATED PLATE FOR ILLUMINATION EQUIPMENT COVER AND THE ILLUMINATION EQUIPMENT COVER
Document Type and Number:
Japanese Patent JPH1044285
Kind Code:
A
Abstract:

To provide a light diffusion plate for an illumination equipment cover which has all crack retardance and satisfactory light diffusibility as an illumination cover while incorporating feel of a vitreous material therein.

The light diffusible resin laminated plate comprises a structure obtained by laminating a light diffusible resin layer in which light diffusion agent selected from those having weight-average particle size of a range of 0.5 to 20μm is uniformly dispersed in 100 pts.wt. of transparent resin having an entire light ray permeability of 80% or more and a haze of 10 or less so that the total agent becomes 1 to 50 pts.wt. and a transparent resin layer in which an entire light ray permeability of 80% or more and a haze of 10 or less by co-extrusion.


Inventors:
HIRANO HIROYUKI
Application Number:
JP20946396A
Publication Date:
February 17, 1998
Filing Date:
August 08, 1996
Export Citation:
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Assignee:
ASAHI CHEMICAL IND
International Classes:
F21V1/22; B29C47/06; B32B7/02; B32B27/18; B32B27/20; B32B27/30; B29K9/00; (IPC1-7): B32B7/02; B29C47/06; B32B27/18; B32B27/20; B32B27/30; F21V1/22