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Methods for the Production of Luminescent Diode Chips and Luminescent Diode Chip

  • US 20080203410A1
  • Filed: 08/04/2005
  • Published: 08/28/2008
  • Est. Priority Date: 09/30/2004
  • Status: Abandoned Application
First Claim
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1. A method of making LED chips provided with a luminescence conversion material containing at least one phosphor, comprising the steps of:

  • preparing a layer composite that includes an LED layer sequence intended for a multiplicity of LED chips and comprising on a main surface at least one electrical contact surface for each said LED chip, for electrically connecting the respective said LED chips;

    applying a layer of adhesion promoter to said main surface of said layer composite;

    selectively removing said adhesion promoter from at least portions of said contact surfaces; and

    applying at least one phosphor to said main surface of said layer composite.

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