IP Library Granted Patent US 8,975,657
Granted Patent B2
US 8,975,657 · App. 13/665,696 · Granted Mar 10, 2015

Package for semiconductor light-emitting device and light-emitting device

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Quick Facts
Patent No.
US 8,975,657
App. No.
13/665,696
Granted
Mar 10, 2015
Kind
B2
Abstract

An object of the present invention is to provide a package from which a metal wiring and the like are difficult to be detached even when heat is generated from a semiconductor light-emitting element. This object is achieved with a package for a semiconductor light-emitting device comprising at least a molded resin containing (A) a SiH-containing polyorganosiloxane and (B) a filler, wherein an amount of SiH existing in the molded resin, after a heat treatment thereof at 200° C. for 10 minutes, is 20 to 65 μmol/g.

Claims (12)

1. A package for a semiconductor light-emitting device comprising at least a molded resin containing (A) a SiH-containing polyorganosiloxane and (B) a filler,

wherein an amount of SiH existing in the molded resin, after a heat treatment thereof at 200° C. for 10 minutes, is 20 to 65 μmol/g.

2. The package for a semiconductor light-emitting device according to claim 1 , wherein the package further comprises a metal wiring and at least a part of the metal wiring contacts the molded resin.

3. The package for a semiconductor light-emitting device according to claim 1 , wherein the molded resin has, at a thickness of 0.5 mm, a reflectivity of 60% or higher for light at a wavelength of 460 nm.

4. The package for a semiconductor light-emitting device according to claim 1 , wherein the molded resin has, at a thickness of 0.5 mm, a reflectivity of 60% or higher for light at a wavelength of 400 nm.

5. The package for a semiconductor light-emitting device according to claim 1 , wherein the filler (B) comprises alumina and/or titania.

6. The package for a semiconductor light-emitting device according to claim 5 , wherein the filler (B) has a primary particle diameter of 0.1 μm or more and 2 μm or less, and an aspect ratio of primary particles thereof is 1.0 or more and 4.0 or less.

7. The package for a semiconductor light-emitting device according to claim 1 , wherein the SiH-containing polyorganosiloxane (A) is obtained by mixing a SiH-containing organosilicic compound and a Si(CHCH 2 )-containing organosilicic compound so as to obtain an equivalent ratio of SiH and Si(CHCH 2 ), SiH/Si(CHCH 2 ), of 0.9 to 2.5.

8. A package for a semiconductor light-emitting device comprising at least a molded resin containing (A) a SiH-containing polyorganosiloxane and (B) a filler,

wherein an amount of SiH existing in the molded resin is 30 to 120 μmol/g.

9. A semiconductor light-emitting device comprising at least a semiconductor light-emitting element, the package according to any one of claims 1 to 8 and an encapsulant.

10. The semiconductor light-emitting device according to claim 9 , wherein a difference in reflectivity between a binder resin used in the molded resin and the encapsulant is 0.05 or less.

Assignments (3)
CHANGE OF NAME Recorded Sep 5, 2017
From: MITSUBISHI RAYON CO., LTD.
To: MITSUBISHI CHEMICAL CORPORATION
Reel/Frame 043750/0834 →
MERGER Recorded Sep 4, 2017
From: MITSUBISHI CHEMICAL CORPORATION
To: MITSUBISHI RAYON CO., LTD.
Reel/Frame 043750/0207 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 31, 2012
From: HARAGUCHI, YUKINARI; OTSU, TAKESHI; MORI, YUTAKA; KATSUMOTO, TADAHIRO
To: MITSUBISHI CHEMICAL CORPORATION
Reel/Frame 029222/0103 →