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Solid State Light Sheet or Strip Having Cavities Formed in Top Substrate

  • US 20110204391A1
  • Filed: 05/03/2011
  • Published: 08/25/2011
  • Est. Priority Date: 08/27/2010
  • Status: Active Grant
First Claim
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1. A lighting device comprising:

  • a first substrate having first connection locations electrically connected to first conductors formed on the first substrate;

    a plurality of non-packaged light emitting diode (LED) dies, each die having at least a first die electrode and a second die electrode, the first die electrode of associated dies being aligned with and electrically connected to an associated first connection location on the first substrate without wire bonds; and

    a second substrate, the second substrate having a plurality of indentions accommodating at least a portion of a thickness of the dies,wherein the plurality of dies are sandwiched between the first substrate and the second substrate, wherein portions of the first conductors create a series connection of the dies without using wire bonds, and wherein the second substrate has light passing locations for emitting light.

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