Light emitting device
First Claim
Patent Images
1. A light emitting device comprising:
- at least two electrical leads, each provided with an end portion;
an emission source, including a plurality of light emitting elements supported on an end portion of one of the electrical leads, each of the light emitting elements emitting light of a color that is different from the color of light emitted by the others of the plurality of light emitting elements; and
a transmitting resin for transmitting at least parts of individual lights output from each of the plurality of light emitting elements without blending with lights output from the others of the plurality of light emitting elements, the emission source being potted into the transmitting resin together with the end portions, the transmitting resin having a conically shaped reflection surface for reflecting the lights output from the plurality of light emitting elements, at least one of the light emitting elements being located away from a central axis of the conically shaped reflection surface;
wherebydifferent colors of lights reflected from the reflection surface can be discerned from different viewing directions;
whereinat least one of the light emitting elements is supported on a surface that is angularly disposed with respect to a surface on which another of the light emitting elements is supported; and
whereinthe end portion that supports the light emitting elements includes stepped surfaces, and each of the stepped surfaces supports a different one of the plurality of light emitting elements.
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Abstract
A light emitting device having a simple structure and high decorating characteristics is provided.
The light emitting device comprises an emission source for outputting lights having different colors from different emission parts; and a transmitting resin having a conically shaped reflection surface for reflecting lights output from each of the emission parts, and covering the light emitting source, wherein the emission source is provided so that one or more of the emission parts are located away from a central axis of the conical shape.
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Citations
20 Claims
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1. A light emitting device comprising:
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at least two electrical leads, each provided with an end portion; an emission source, including a plurality of light emitting elements supported on an end portion of one of the electrical leads, each of the light emitting elements emitting light of a color that is different from the color of light emitted by the others of the plurality of light emitting elements; and a transmitting resin for transmitting at least parts of individual lights output from each of the plurality of light emitting elements without blending with lights output from the others of the plurality of light emitting elements, the emission source being potted into the transmitting resin together with the end portions, the transmitting resin having a conically shaped reflection surface for reflecting the lights output from the plurality of light emitting elements, at least one of the light emitting elements being located away from a central axis of the conically shaped reflection surface;
wherebydifferent colors of lights reflected from the reflection surface can be discerned from different viewing directions;
whereinat least one of the light emitting elements is supported on a surface that is angularly disposed with respect to a surface on which another of the light emitting elements is supported; and
whereinthe end portion that supports the light emitting elements includes stepped surfaces, and each of the stepped surfaces supports a different one of the plurality of light emitting elements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A light emitting device comprising:
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at least two electrical leads, each provided with an end portion; an emission source, including a plurality of light emitting elements supported on an end portion of one of the electrical leads, each of the light emitting elements emitting light of a color that is different from the color of light emitted by the others of the plurality of light emitting elements; and a transmitting resin for transmitting at least parts of individual lights output from each of the plurality of light emitting elements without blending with lights output from the others of the plurality of light emitting elements, the emission source being potted into the transmitting resin together with the end portions, the transmitting resin having a conically shaped reflection surface for reflecting the lights output from the plurality of light emitting elements, at least one of the light emitting elements being located away from a central axis of the conically shaped reflection surface;
wherebydifferent colors of lights reflected from the reflection surface can be discerned from different viewing directions; and
whereinthe conical shape of the reflection surface is a polygonal cone. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A light emitting device comprising:
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at least two electrical leads, each provided with an end portion; an emission source, including a plurality of light emitting elements supported on an end portion of one of the electrical leads, each of the light emitting elements emitting light of a color that is different from the color of light emitted by the others of the plurality of light emitting elements; and a transmitting resin for transmitting at least parts of individual lights output from each of the plurality of light emitting elements without blending with lights output from the others of the plurality of light emitting elements, the emission source being potted into the transmitting resin together with the end portions, the transmitting resin having a conically shaped reflection surface for reflecting the lights output from the plurality of light emitting elements, at least one of the light emitting elements being located away from a central axis of the conically shaped reflection surface;
wherebydifferent colors of lights reflected from the reflection surface can be discerned from different viewing directions; and
whereinan outer shape of the transmitting resin is a polygonal prism shape and a central axis of an outer shape of the transmitting resin is generally coincident with a central axis of the conical shape of the reflection surface. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification