Invention Grant
- Patent Title: Method of making light emitting device with multilayer silicon-containing encapsulant
- Patent Title (中): 制造具有多层含硅密封剂的发光器件的方法
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Application No.: US11741808Application Date: 2007-04-30
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Publication No.: US07655486B2Publication Date: 2010-02-02
- Inventor: D. Scott Thompson , Larry D. Boardman , Catherine A. Leatherdale
- Applicant: D. Scott Thompson , Larry D. Boardman , Catherine A. Leatherdale
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Agent Elizabeth A. Gallo
- Main IPC: H01L21/00
- IPC: H01L21/00

Abstract:
A method of making an LED light emitting device is disclosed. The method includes forming a multilayer encapsulant in contact with an LED by contacting the LED with a first encapsulant that is a silicone gel, silicone gum, silicone fluid, organosiloxane, polysiloxane, polyimide, polyphosphazene, sol-gel composition, or a first photopolymerizable composition, and then contacting the first encapsulant with a second photopolymerizable composition. Each photopolymerizable composition includes a silicon-containing resin and a metal-containing catalyst, the silicon-containing resin comprising silicon-bonded hydrogen and aliphatic unsaturation. Actinic radiation having a wavelength of 700 nm or less is applied to initiate hydrosilylation within the silicon-containing resins.
Public/Granted literature
- US20070287208A1 Method of Making Light Emitting Device With Multilayer Silicon-Containing Encapsulant Public/Granted day:2007-12-13
Information query
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