SURFACE LIGHT SOURCE SUBSTRATE AND SURFACE LIGHT SOURCE ILLUMINATION

Title:

SURFACE LIGHT SOURCE SUBSTRATE AND SURFACE LIGHT SOURCE ILLUMINATION

Document Type and Number:

Japanese Patent JP2016106344

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide a surface light source substrate high in heat resistance and good in surface light diffusibility, and a surface light source illumination.SOLUTION: A surface light source substrate has a 10-point average roughness (Rz) of at least one surface of a substrate of 1 μm or more and 30 μm or less, and an average linear expansion coefficient at 30-130°C of 0-40 ppm/K.SELECTED DRAWING: Figure 1

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Inventors:

EGUCHI TOSHIMASA
ISOBE DAISUKE
TERADA NOBUHIKO
OTSUKA HIROYUKI
MAETANI TAKEHIKO
NAITO MANABU

Application Number:

JP2013056767A

Publication Date:

June 16, 2016

Filing Date:

March 19, 2013

Export Citation:

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Assignee:

SUMITOMO BAKELITE CO

International Classes:

H05B33/02; H01L51/50; H05B33/14

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