Method and apparatus for coupling light-emitting elements with light-converting material
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United States of America Patent
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Jul 7, 2020
Grant Date -
Nov 19, 2015
app pub date -
May 15, 2015
filing date -
Aug 8, 2011
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Abstract
Light-emitting elements such as LEDs are associated with light-converting material such as phosphor and/or other material. A donor substrate comprising the light-converting and/or other material is suitably placed relative to a target substrate associated with the light-emitting elements. A laser or other energy source is then used to transfer the light-converting and/or other material in a pattern via writing or masking from the donor substrate to the target substrate in accordance with the pattern. Addressability and targetability of the transfer process facilitates precise patterning of the target substrate.
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