Light-emitting apparatus
First Claim
1. A light-emitting apparatus comprising:
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
a plurality of light-emitting elements that are disposed on an inner surface of the case,wherein an opening is formed in the lid portion,a plurality of cavities that are branched from the position directly underneath the opening are formed in the case,an inner surface of each of the cavities is a light-reflecting surface and is constituted of a parabolic surface and a flat surface opposing the parabolic surface,a focal position of the parabolic surface is positioned on the flat surface,respective ones of the plurality of light-emitting elements are disposed at the focal positions of respective ones of the plurality of cavities,the light-reflecting surface guides light emitted by the light-emitting elements as light sources to a position directly underneath the opening,a reflecting portion is formed directly underneath the opening so as to reflect the light emitted by the light-emitting elements toward the opening,a front end portion of the reflecting portion is disposed near the opening, andthe light-emitting apparatus comprises further a convex lens that closes the opening and a reflector that is disposed on the lid portion of the storage case so as to expose the convex lens.
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Accused Products
Abstract
The light-emitting apparatus (1) of the present invention includes: a storage case (12) that includes a base board (10) having a concave portion (10a) and a lid portion (11) covering the concave portion (10a); and a plurality of light-emitting elements (13) that are disposed on an inner surface (12a) of the storage case (12), an opening (11a) is formed in the lid portion (11), at least a part of the inner surface (12a) is a light-reflecting surface that wave-guides light emitted by the light-emitting elements (13) as light sources to a position directly underneath the opening (11), and a reflecting portion (15) that reflects the light emitted by the light-emitting elements (13) as the light sources toward the opening (11a) is formed directly underneath the opening (11a). Thereby, the light-emitting apparatus having a point light source with high brightness can be provided.
23 Citations
12 Claims
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1. A light-emitting apparatus comprising:
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
a plurality of light-emitting elements that are disposed on an inner surface of the case,wherein an opening is formed in the lid portion, a plurality of cavities that are branched from the position directly underneath the opening are formed in the case, an inner surface of each of the cavities is a light-reflecting surface and is constituted of a parabolic surface and a flat surface opposing the parabolic surface, a focal position of the parabolic surface is positioned on the flat surface, respective ones of the plurality of light-emitting elements are disposed at the focal positions of respective ones of the plurality of cavities, the light-reflecting surface guides light emitted by the light-emitting elements as light sources to a position directly underneath the opening, a reflecting portion is formed directly underneath the opening so as to reflect the light emitted by the light-emitting elements toward the opening, a front end portion of the reflecting portion is disposed near the opening, and the light-emitting apparatus comprises further a convex lens that closes the opening and a reflector that is disposed on the lid portion of the storage case so as to expose the convex lens.
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
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2. A light-emitting apparatus comprising:
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
a plurality of light-emitting elements that are disposed on an inner surface of the case,wherein an opening is formed in the lid portion, a plurality of cavities that are branched from the position directly underneath the opening are formed in the case, an inner surface of each of the cavities is a light-reflecting surface and is constituted of a parabolic surface and a flat surface opposing the parabolic surface, a focal position of the parabolic surface is positioned on the flat surface, respective ones of the plurality of light-emitting elements are disposed at the focal positions of respective ones of the plurality of cavities, the light-reflecting surface guides light emitted by the light-emitting elements as light sources to a position directly underneath the opening, a reflecting portion is formed directly underneath the opening so as to reflect the light emitted by the light-emitting elements toward the opening, a front end portion of the reflecting portion is disposed near the opening, and the light-emitting apparatus comprises further a convex lens that closes the opening and a flat lens that is disposed on the lid portion of the storage case so as to cover the convex lens.
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
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3. A light-emitting apparatus comprising:
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
a plurality of light-emitting elements that are disposed on an inner surface of the case,wherein an opening is formed in the lid portion, a plurality of cavities that are branched from the position directly underneath the opening are formed in the case, an inner surface of each of the cavities is a light-reflecting surface and is constituted of a parabolic surface and a flat surface opposing the parabolic surface, a focal position of the parabolic surface is positioned on the flat surface, respective ones of the plurality of light-emitting elements are disposed at the focal positions of respective ones of the plurality of cavities, the light-reflecting surface guides light emitted by the light-emitting elements as light sources to a position directly underneath the opening, a reflecting portion is formed directly underneath the opening so as to reflect the light emitted by the light-emitting elements toward the opening, a front end portion of the reflecting portion is disposed near the opening, the light-emitting apparatus comprises further a convex lens that closes the opening and a lens that is disposed on the lid portion of the storage case so as to cover the convex lens, and the lens spreads out from the convex lens as a center so as to have a parabolic shape.
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
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4. A light-emitting apparatus comprising:
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
a plurality of light-emitting elements that are disposed on an inner surface of the case,wherein an opening is formed in the lid portion, a plurality of cavities that are branched from the position directly underneath the opening are formed in the case, an inner surface of each of the cavities is a light-reflecting surface and is constituted of a parabolic surface and a flat surface opposing the parabolic surface, a focal position of the parabolic surface is positioned on the flat surface, respective ones of the plurality of light-emitting elements are disposed at the focal positions of respective ones of the plurality of cavities, the light-reflecting surface guides light emitted by the light-emitting elements as light sources to a position directly underneath the opening, a reflecting portion is formed directly underneath the opening so as to reflect the light emitted by the light-emitting elements toward the opening, a front end portion of the reflecting portion is disposed near the opening, the light-emitting apparatus comprises further a convex lens that closes the opening and a lens that is disposed on the lid portion of the storage case so as to cover the convex lens, and the lens has an asymmetrical shape with respect to a vertex of the convex lens.
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
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5. A light-emitting apparatus comprising:
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
a plurality of light-emitting elements that are disposed on an inner surface of the case,wherein an opening is formed in the lid portion, a plurality of cavities that are branched from the position directly underneath the opening are formed in the case, an inner surface of each of the cavities is a light-reflecting surface and is constituted of a parabolic surface and a flat surface opposing the parabolic surface, a focal position of the parabolic surface is positioned on the flat surface, respective ones of the plurality of light-emitting elements are disposed at the focal positions of respective ones of the plurality of cavities, the light-reflecting surface guides light emitted by the light-emitting elements as light sources to a position directly underneath the opening, a reflecting portion is formed directly underneath the opening so as to reflect the light emitted by the light-emitting elements toward the opening, a front end portion of the reflecting portion is disposed near the opening, and the light-emitting apparatus comprises further a window portion that closes the opening and a high heat radiation substrate that is disposed on the lid portion of the storage case so as to expose the window portion.
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
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6. A light-emitting apparatus comprising:
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
a plurality of light-emitting elements that are disposed on an inner surface of the case,wherein an opening is formed in the lid portion, a plurality of cavities that are branched from the position directly underneath the opening are formed in the case, an inner surface of each of the cavities is a light-reflecting surface and is constituted of a parabolic surface and a flat surface opposing the parabolic surface, a focal position of the parabolic surface is positioned on the flat surface, respective ones of the plurality of light-emitting elements are disposed at the focal positions of respective ones of the plurality of cavities, the light-reflecting surface guides light emitted by the light-emitting elements as light sources to a position directly underneath the opening, a reflecting portion is formed directly underneath the opening so as to reflect the light emitted by the light-emitting elements toward the opening, a front end portion of the reflecting portion is disposed near the opening, materials having different refractive indices are filled in the storage case, a high refractive index material included in the materials and having a refractive index that is higher than a refractive index of other region in the storage case is disposed directly underneath the opening in the storage case, a part of the high refractive index material protrudes from the opening so as to have a substantially hemisphere shape, and the light-emitting apparatus comprises further a wavelength converting portion having a dome shape and formed outside the storage case so as to cover the part of the high refractive index material protruding to have a substantially hemisphere shape, a reflector that is disposed on the lid portion of the storage case so as to expose the wavelength converting portion, and a high heat radiation substrate that is disposed on a bottom surface of the storage case.
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
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7. A light-emitting apparatus comprising:
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
a plurality of light-emitting elements that are disposed on an inner surface of the case,wherein an opening is formed in the lid portion, a plurality of cavities that are branched from the position directly underneath the opening are formed in the case, an inner surface of each of the cavities is a light-reflecting surface and is constituted of an ellipse surface and a flat surface opposing the ellipse surface, a focal position of the ellipse surface is positioned on the flat surface, respective ones of the plurality of light-emitting elements are disposed at the focal positions of respective ones of the plurality of cavities, the light-reflecting surface guides light emitted by the light-emitting elements as light sources to a position directly underneath the opening, a reflecting portion is formed directly underneath the opening so as to reflect the light emitted by the light-emitting elements toward the opening, and the light-emitting apparatus comprises further a convex lens that closes the opening and a reflector that is disposed on the lid portion of the storage case so as to expose the convex lens.
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
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8. A light-emitting apparatus comprising:
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
a plurality of light-emitting elements that are disposed on an inner surface of the case,wherein an opening is formed in the lid portion, a plurality of cavities that are branched from the position directly underneath the opening are formed in the case, an inner surface of each of the cavities is a light-reflecting surface and is constituted of an ellipse surface and a flat surface opposing the ellipse surface, a focal position of the ellipse surface is positioned on the flat surface, respective ones of the plurality of light-emitting elements are disposed at the focal positions of respective ones of the plurality of cavities, the light-reflecting surface guides light emitted by the light-emitting elements as light sources to a position directly underneath the opening, a reflecting portion is formed directly underneath the opening so as to reflect the light emitted by the light-emitting elements toward the opening, and the light-emitting apparatus comprises further a convex lens that closes the opening and a flat lens that is disposed on the lid portion of the storage case so as to cover the convex lens.
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
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9. A light-emitting apparatus comprising:
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
a plurality of light-emitting elements that are disposed on an inner surface of the case,wherein an opening is formed in the lid portion, a plurality of cavities that are branched from the position directly underneath the opening are formed in the case, an inner surface of each of the cavities is a light-reflecting surface and is constituted of an ellipse surface and a flat surface opposing the ellipse surface, a focal position of the ellipse surface is positioned on the flat surface, respective ones of the plurality of light-emitting elements are disposed at the focal positions of respective ones of the plurality of cavities, the light-reflecting surface guides light emitted by the light-emitting elements as light sources to a position directly underneath the opening, a reflecting portion is formed directly underneath the opening so as to reflect the light emitted by the light-emitting elements toward the opening, the light-emitting apparatus comprises further a convex lens that closes the opening and a lens that is disposed on the lid portion of the storage case so as to cover the convex lens, and the lens spreads out from the convex lens as a center so as to have a parabolic shape.
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
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10. A light-emitting apparatus comprising:
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
a plurality of light-emitting elements that are disposed on an inner surface of the case,wherein an opening is formed in the lid portion, a plurality of cavities that are branched from the position directly underneath the opening are formed in the case, an inner surface of each of the cavities is a light-reflecting surface and is constituted of an ellipse surface and a flat surface opposing the ellipse surface, a focal position of the ellipse surface is positioned on the flat surface, respective ones of the plurality of light-emitting elements are disposed at the focal positions of respective ones of the plurality of cavities, the light-reflecting surface guides light emitted by the light-emitting elements as light sources to a position directly underneath the opening, a reflecting portion is formed directly underneath the opening so as to reflect the light emitted by the light-emitting elements toward the opening, the light-emitting apparatus comprises further a convex lens that closes the opening and a lens that is disposed on the lid portion of the storage case so as to cover the convex lens, and the lens has an asymmetrical shape with respect to a vertex of the convex lens.
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
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11. A light-emitting apparatus comprising:
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
a plurality of light-emitting elements that are disposed on an inner surface of the case,wherein an opening is formed in the lid portion, a plurality of cavities that are branched from the position directly underneath the opening are formed in the case, an inner surface of each of the cavities is a light-reflecting surface and is constituted of an ellipse surface and a flat surface opposing the ellipse surface, a focal position of the ellipse surface is positioned on the flat surface, respective ones of the plurality of light-emitting elements are disposed at the focal positions of respective ones of the plurality of cavities, the light-reflecting surface guides light emitted by the light-emitting elements as light sources to a position directly underneath the opening, a reflecting portion is formed directly underneath the opening so as to reflect the light emitted by the light-emitting elements toward the opening, and the light-emitting apparatus comprises further a window portion that closes the opening and a high heat radiation substrate that is disposed on the lid portion of the storage case so as to expose the window portion.
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
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12. A light-emitting apparatus comprising:
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
a plurality of light-emitting elements that are disposed on an inner surface of the case,wherein an opening is formed in the lid portion, a plurality of cavities that are branched from the position directly underneath the opening are formed in the case, an inner surface of each of the cavities is a light-reflecting surface and is constituted of an ellipse surface and a flat surface opposing the ellipse surface, a focal position of the ellipse surface is positioned on the flat surface, respective ones of the plurality of light-emitting elements are disposed at the focal positions of respective ones of the plurality of cavities, the light-reflecting surface guides light emitted by the light-emitting elements as light sources to a position directly underneath the opening, a reflecting portion is formed directly underneath the opening so as to reflect the light emitted by the light-emitting elements toward the opening, materials having different refractive indices are filled in the storage case, a high refractive index material included in the materials and having a refractive index that is higher than a refractive index of other region in the storage case is disposed directly underneath the opening in the storage case, a part of the high refractive index material protrudes from the opening so as to have a substantially hemisphere shape, and the light-emitting apparatus comprises further a wavelength converting portion having a dome shape and formed outside the storage case so as to cover the part of the high refractive index material protruding to have a substantially hemisphere shape, a reflector that is disposed on the lid portion of the storage case so as to expose the wavelength converting portion, and a high heat radiation substrate that is disposed on a bottom surface of the storage case.
- a storage case that includes a base board having a concave portion and a lid portion covering the concave portion; and
Specification