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Light emitter devices and methods, utilizing light emitting diodes (LEDs), for improved light extraction

  • US 9,496,466 B2
  • Filed: 12/06/2011
  • Issued: 11/15/2016
  • Est. Priority Date: 12/06/2011
  • Status: Active Grant
First Claim
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1. A light emitter device comprising:

  • a submount comprising a first surface, with a first electrical element and a second electrical element disposed on the first surface;

    at least one light emitting chip disposed over the first surface of the submount and electrically connected to each of the first and second electrical elements, wherein the at least one light emitting chip comprises a planar upper surface and an opposing planar lower surface that faces the first surface of the submount; and

    a lens disposed on and encapsulating the at least one light emitting chip, the first electrical element, and the second electrical element, wherein the lens comprises a lens base having substantially the same geometry as a geometry of the submount wherein the lens extends flush with outermost edges of the submount such that at least one corner of the submount and a corner of the first or the second electrical element is disposed below a non-planar and curved surface of the lens; and

    wherein portions of the lens extending to outermost edges of the lens base, outermost edges of the submount, and over outermost edges of the first and second electrical elements are devoid of one or more horizontal surfaces, and wherein the portions of the lens that are devoid of one or more horizontal surfaces extend both above and below a the planar lower surface of the light emitting chip.

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