Light-emitting diode chip
AssigneeLextar Electronics Corporation
InventorsNai-Wei HSU, Te-Chung WANG
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Abstract
A light-emitting diode (LED) chip is disclosed. The chip includes a light-emitting diode and an electrode layer on the light-emitting diode. The electrode layer includes a reflective metal layer. The reflective metal layer includes a first composition and a second composition. The first composition includes aluminum or silver, and the second composition includes copper, silicon, tin, platinum, gold, palladium or a combination thereof. The weight percentage of the second composition is greater than 0% and less than 20%.
Claims15
A light-emitting diode (LED) chip, comprising:
- an LED;
- and
- an electrode layer disposed on the LED, wherein the electrode layer comprises a reflective metal layer and an adhesive layer between the LED and the reflective metal layer, and wherein the reflective metal layer comprises:
- a first composition comprising Al or Ag;
- and
- a second composition comprising Cu, Si, Sn, Pt, Au or a combination thereof,
- wherein a weight percentage of the second composition is greater than 0% and less than 20%.
A light-emitting diode (LED) chip, comprising:
- an LED;
- and
- a reflective metal layer disposed on the LED, wherein the reflective metal layer comprises:
- a first composition comprising Al or Ag;
- and
- a second composition comprising Cu, Si, Sn, Pt, Au or a combination thereof,
- wherein a weight percentage of the second composition is greater than 0% and less than 20%.
Dependencies are inferred from the claim text.