US Patent 7999274 White light emitting device
Patent 7999274 was granted and assigned to Samsung on August, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A white light emitting device is disclosed. The white light emitting device includes a blue light emitting diode (LED) including a plurality of active layers generating different peak wavelengths, and phosphors emitting yellow light when excited by light emitted from the blue LED. The white light emitting device ensures enhanced excitation efficiency of the phosphors, and high luminance.
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Patent Inventor Names
Jeong Tak Oh0
Yong Chun Kim0
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US Patent 07999274 White light emitting device US Patent 7999274 White light emitting device
Infobox
Patent Number
079992740
Patent Number
79992740
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
079992740
Date of Patent
August 16, 2011
0Patent Application Number
126182690
Date Filed
November 13, 2009
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
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Infobox (+8 properties)
US Patent 07999274 White light emitting device
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07999274
Date of patent
August 16, 2011
Patent application number
12618269
Date Filed
November 13, 2009
Patent primary examiner
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