Method for fabricating light-emitting devices utilizing a photo-curable epoxy
DCFirst Claim
1. A method for fabricating a light emitting device comprising:
- mounting a die comprising a semiconductor light emitting device on a carrier, said die having a face through which light is emitted;
dispensing a bead of a mixture of photo curable epoxy and phosphor particles on said face in a pattern that covers said face; and
irradiating said dispensed mixture in a time period that is less than the time period in which said phosphor particles settle wherein said time period is less than 1 second.
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Abstract
A method for fabricating a light-emitting device is disclosed. A die that includes a semiconductor light emitting device is mounted on a carrier, the die having a face through which light is emitted. A mixture of photocurable epoxy and phosphor particles is dispensed on the face in a pattern that covers the face. The dispensed mixture is then irradiated with light to cure the epoxy in a time period that is less than the time period in which the phosphor particles settle. In one embodiment, the photocurable epoxy includes a UV curable epoxy. In one embodiment, the die includes sides through which some of the light is emitted and the mixture is allowed to run down the sides prior to being irradiated.
7 Citations
3 Claims
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1. A method for fabricating a light emitting device comprising:
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mounting a die comprising a semiconductor light emitting device on a carrier, said die having a face through which light is emitted; dispensing a bead of a mixture of photo curable epoxy and phosphor particles on said face in a pattern that covers said face; and irradiating said dispensed mixture in a time period that is less than the time period in which said phosphor particles settle wherein said time period is less than 1 second. - View Dependent Claims (2, 3)
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Specification