Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jeong Min Moon0
Date of Patent
May 31, 2011
0Patent Application Number
111161770
Date Filed
April 28, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A light emitting diode (LED) lamp unit for obtaining a thin profile display device, to improve uniformity of light, and to simplify a power connection line for operation. The LED lamp unit includes an optical lens having a central recess part and an edge, wherein the central recess part is hollowed out inwardly, and the edge is formed in shape of a flat surface or in shape of a convex lens; at least one or more LED chips arranged at fixed intervals in a lower portion of the optical lens; and a lower reflecting sheet positioned on a bottom surface of the LED chip.
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