Optical semiconductor device
First Claim
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1. An optical semiconductor device which comprises:
- an optical semiconductor element;
a first resin layer encapsulating said optical semiconductor element and comprising a first resin and light-scattering particles; and
a second resin layer encapsulating said first resin layer and comprising a second resin having a lower refractive index than said first resin.
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Abstract
The invention provides an optical semiconductor device which comprises: an optical semiconductor element; a first resin layer encapsulating the optical semiconductor element and comprising a first resin and light-scattering particles; and one or more resin layers sequentially encapsulating the first resin layer and each comprising a resin having a lower refractive index than the first resin. In an embodiment where the optical semiconductor device has a plurality of resin layers over the first resin layer, the plurality of resin layers are disposed such that the refractive indexes of the constituting resins sequentially decrease toward the outermost resin layer.
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Citations
15 Claims
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1. An optical semiconductor device which comprises:
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an optical semiconductor element;
a first resin layer encapsulating said optical semiconductor element and comprising a first resin and light-scattering particles; and
a second resin layer encapsulating said first resin layer and comprising a second resin having a lower refractive index than said first resin. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An optical semiconductor device which comprises:
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an optical semiconductor element;
a first resin layer encapsulating said optical semiconductor element and comprising a first resin and light-scattering particles; and
a plurality of resin layers sequentially encapsulating said first resin layer and each comprising a resin having a lower refractive index than said first resin, wherein said plurality of resin layers are disposed such that the refractive indexes of the resins constituting said plurality of resin layers sequentially decrease toward the outermost resin layer. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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Specification