Method of making light emitting device with silicon-containing encapsulant
First Claim
1. A method of making a light emitting device, the method comprising the steps of:
- (A) providing a light emitting diode; and
(B) contacting the light emitting diode with a photopolymerizable composition comprising;
a silicon-containing resin comprising silicon-bonded hydrogen and aliphatic unsaturation;
a first metal-containing catalyst that may be activated by actinic radiation; and
a second metal-containing catalyst that may be activated by heat but not the actinic radiation.
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Abstract
A method of making a light emitting device is disclosed herein. The method includes the steps of: (A) providing a light emitting diode; and (B) contacting the light emitting diode with a photopolymerizable composition having: a silicon-containing resin comprising silicon-bonded hydrogen and aliphatic unsaturation; a first metal-containing catalyst that may be activated by actinic radiation; and a second metal-containing catalyst that may be activated by heat but not the actinic radiation. The method may further include the step of: (C) applying actinic radiation of 700 nm or less to initiate hydrosilylation within the silicon-containing resin. The method may also include the step of: (D) heating the photopolymerizable composition to less than 150° C. to further initiate hydrosilylation, or (D) simultaneously applying actinic radiation and heat.
107 Citations
58 Claims
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1. A method of making a light emitting device, the method comprising the steps of:
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(A) providing a light emitting diode; and
(B) contacting the light emitting diode with a photopolymerizable composition comprising;
a silicon-containing resin comprising silicon-bonded hydrogen and aliphatic unsaturation;
a first metal-containing catalyst that may be activated by actinic radiation; and
a second metal-containing catalyst that may be activated by heat but not the actinic radiation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55)
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56. A photopolymerizable composition comprising:
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a silicon-containing resin comprising silicon-bonded hydrogen and aliphatic unsaturation;
a first metal-containing catalyst that may be activated by actinic radiation; and
a second metal-containing catalyst that may be activated by heat but not the actinic radiation. - View Dependent Claims (57, 58)
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Specification