SILICONE RESIN REFLECTIVE SUBSTRATE, MANUFACTURING METHOD FOR SAME, AND BASE MATERIAL COMPOSITION USED IN REFLECTIVE SUBSTRATE

WIPO Patent Application WO/2011/118108

A1

Disclosed is a versatile silicone resin reflective substrate which exhibits high reflectance of high luminance light from an LED light source over a wide wavelength from short wavelengths of approximately 340-500nm, which include wavelengths from 380-400nm near the lower limit of the visible region, to longer wavelengths in the infra-red region. The silicone resin reflective substrate also exhibits superior thermal conductivity, light fastness, heat resistance, weather resistance, and flame resistance without deterioration such as yellowing caused over time by the irradiation of the high luminance light. The silicone resin reflective substrate further exhibits mechanical and chemical stability, the ability to maintain a white colour over a long period of time, and superior adhesion to metals and resins. The silicone resin reflective substrate can be easily formed as a wiring substrate, a packaging case or the like, and can be manufactured at low cost and a high rate of production. The silicone resin reflective substrate (10, 20) has a reflective layer which contains a white inorganic filler powder (12a, 12b) dispersed in a three-dimensional cross-linked silicone resin, said inorganic filler powder having a higher refractive index than the silicone resin. The reflective layer is formed on a support body as a film, a solid, or a sheet.

TASAKI, Masutsugu (2-7-2 Dote-cho, Omiya-ku, Saitama-sh, Saitama 01, 〒3300801, JP)
田崎　益次 (〒01 埼玉県さいたま市大宮区土手町２丁目７番２　株式会社朝日ラバー内 Saitama, 〒3300801, JP)
IGARASHI, Naoto (2-7-2 Dote-cho, Omiya-ku, Saitama-sh, Saitama 01, 〒3300801, JP)
五十嵐　直人 (〒01 埼玉県さいたま市大宮区土手町２丁目７番２　株式会社朝日ラバー内 Saitama, 〒3300801, JP)
ICHIKAWA, Akira (2-7-2 Dote-cho, Omiya-ku, Saitama-sh, Saitama 01, 〒3300801, JP)

JP2010/073445

September 29, 2011

December 24, 2010

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ASAHI RUBBER INC. (2-7-2, Dote-cho Omiya-ku, Saitama-sh, Saitama 01, 〒3300801, JP)
株式会社朝日ラバー (〒01 埼玉県さいたま市大宮区土手町２丁目７番２ Saitama, 〒3300801, JP)
TASAKI, Masutsugu (2-7-2 Dote-cho, Omiya-ku, Saitama-sh, Saitama 01, 〒3300801, JP)
田崎　益次 (〒01 埼玉県さいたま市大宮区土手町２丁目７番２　株式会社朝日ラバー内 Saitama, 〒3300801, JP)
IGARASHI, Naoto (2-7-2 Dote-cho, Omiya-ku, Saitama-sh, Saitama 01, 〒3300801, JP)
五十嵐　直人 (〒01 埼玉県さいたま市大宮区土手町２丁目７番２　株式会社朝日ラバー内 Saitama, 〒3300801, JP)

H01L33/60; B29C45/14; B29C47/02; C08K3/00; C08L83/04; F21V7/22; H01L31/04

KOMIYA, Yoshio et al. (3F. Ichibancho Central building, 22-1 Ichiban-cho, Chiyoda-k, Tokyo 82, 〒1020082, JP)

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