US Patent 7659547 LED array
Patent 7659547 was granted and assigned to Phoseon Technology on February, 2010 by the United States Patent and Trademark Office.
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Patent abstract
An illuminator (1) has bare semiconductor die light emitting diodes (7) on pads (11) of Ag/Ni/Ti material. A Si wafer (13) has a rough upper surface, and this roughness is carried through an oxide layer (12) and the pads (11) to provide a rough but reflective upper surface of the pads (11), thus forming a diffuser. Epoxy encapsulant (9) is deposited in a layer over the diodes (7) and the pads (11), and it is index matched with a top diffuser plate (8) of opal glass.
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US Patent 07659547 LED array US Patent 7659547 LED array
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Patent Number
0765954700
Patent Number
765954700
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076595470
Date of Patent
February 9, 2010
0Patent Application Number
109914990
Date Filed
November 19, 2004
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
076595470
Date of Patent
February 9, 2010
0Patent Application Number
109914990
Date Filed
November 19, 2004
0Official Website
Patent Primary Examiner
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US Patent 07659547 LED array
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07659547
Date of patent
February 9, 2010
Patent application number
10991499
Date Filed
November 19, 2004
Patent primary examiner
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