Jetting a Highly Reflective Layer Onto an LED Assembly

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United States of America Patent

SERIAL NO

15279043

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A layer of Highly Reflective (HR) material is deposited by jetting microdots of the HR material in liquid form onto a substrate and then allowing the HR material to harden. In one example, the HR layer is the HR layer of a white LED assembly. The HR layer is jetted onto the substrate around LED dice of the assembly after die attach and wire bonding have been completed. The HR material can be made to flow laterally so that areas of the substrate under wire bonds are coated with HR material, so that HR material contacts side edges of the LED dice, and so that HR material contacts the inside side edge of a retaining ring. By jetting the HR material in this way, the amount of substrate that is not covered with HR material is reduced, thereby improving the light efficiency of the resulting LED assembly.

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Patent Owner(s)

Patent OwnerAddress
BRIDGELUX INC101 PORTOLA AVENUE LIVERMORE CA 94551

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  • 2016 Application Filing Year
  • H01L Class
  • 27971 Applications Filed
  • 23507 Patents Issued To-Date
  • 84.05 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20162017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
West, R Scott Pleasanton, US 36 702

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges26979357140748325312788503629173801 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +050010001500200025003000350040004500500055006000650070007500800085009000950010000

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