Methods of coating semiconductor light emitting elements by evaporating solvent from a suspension
First Claim
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1. A method of fabricating a semiconductor light emitting device comprising:
- placing a suspension comprising phosphor particles suspended in solvent on at least a portion of a light emitting surface of a semiconductor light emitting element; and
evaporating at least some of the solvent to cause the phosphor particles to deposit on the at least a portion of the light emitting surface and form a coating thereon comprising the phosphor particles.
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Abstract
Semiconductor light emitting devices are fabricated by placing a suspension including phosphor particles suspended in solvent on at least a portion of a light emitting surface of a semiconductor light emitting element, and evaporating at least some of the solvent to cause the phosphor particles to deposit on at least a portion of the light emitting surface. A coating including phosphor particles is thereby formed on at least a portion of the light emitting surface. Particles other than phosphor also may be coated and solutions wherein particles are dissolved in solvent also may be used.
124 Citations
25 Claims
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1. A method of fabricating a semiconductor light emitting device comprising:
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placing a suspension comprising phosphor particles suspended in solvent on at least a portion of a light emitting surface of a semiconductor light emitting element; and
evaporating at least some of the solvent to cause the phosphor particles to deposit on the at least a portion of the light emitting surface and form a coating thereon comprising the phosphor particles. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of fabricating a semiconductor light emitting device comprising:
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placing a suspension comprising particles suspended in solvent on at least a portion of a light emitting surface of a semiconductor light emitting element; and
evaporating at least some of the solvent to cause the particles to deposit on the at least a portion of the light emitting surface and form a coating thereon comprising the particles. - View Dependent Claims (19, 20, 21, 22)
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23. A method of fabricating a semiconductor light emitting device comprising:
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placing a solution comprising solute dissolved in solvent on at least a portion of a light emitting surface of a semiconductor light emitting element; and
evaporating at least some of the solvent to cause the solute to deposit on the at least a portion of the light emitting surface and form a coating thereon comprising the solute. - View Dependent Claims (24, 25)
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Specification