Light emitting device and method of making the same
First Claim
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1. A light emitting device, comprising:
- a flip-mounting type light emitting element;
a substrate on which the light emitting element is mounted, the substrate comprising an inorganic material;
a sealing portion to seal the light emitting element, the sealing portion comprising an inorganic sealing material;
an optical-shaped portion formed nearly semispherical, the optical-shaped portion comprising the inorganic sealing material; and
a phosphor portion formed covering the optical-shaped portion.
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Abstract
A light emitting device having: a flip-mounting type light emitting element; a substrate on which the light emitting element is mounted, the substrate being of an inorganic material; a sealing portion to seal the light emitting element, the sealing portion being of an inorganic sealing material; an optical-shaped portion formed nearly semispherical, the optical-shaped portion being of the inorganic sealing material; and a phosphor portion formed covering the optical-shaped portion.
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Citations
17 Claims
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1. A light emitting device, comprising:
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a flip-mounting type light emitting element;
a substrate on which the light emitting element is mounted, the substrate comprising an inorganic material;
a sealing portion to seal the light emitting element, the sealing portion comprising an inorganic sealing material;
an optical-shaped portion formed nearly semispherical, the optical-shaped portion comprising the inorganic sealing material; and
a phosphor portion formed covering the optical-shaped portion. - View Dependent Claims (3, 4, 5, 6, 7, 8)
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2. A light emitting device, comprising:
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a flip-mounting type light emitting element;
a substrate on which the light emitting element is mounted, the substrate comprising an inorganic material;
a sealing portion to seal the light emitting element, the sealing portion comprising an inorganic sealing material;
an optical-shaped portion formed nearly semispherical, the optical-shaped portion comprising the inorganic sealing material; and
a phosphor portion formed covering the optical-shaped portion, wherein the inorganic material comprises a thermal expansion coefficient equivalent to that of the light emitting element, and the inorganic sealing material comprises a thermal expansion coefficient equivalent to that of the substrate and the light emitting element.
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9. A light emitting device, comprising:
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a light emitting element;
a substrate on which the light emitting element is mounted, the substrate comprising an inorganic material;
a sealing portion to seal the light emitting element, the sealing portion comprising an inorganic sealing material; and
a coating portion formed covering the sealing portion, wherein the sealing portion comprises a cutting face at which an interface of the inorganic sealing material and the substrate is exposed and by which the light emitting element is surrounded, and the sealing portion is covered with the coating portion on an entire surface thereof. - View Dependent Claims (11, 12, 13, 14)
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10. A light emitting device, comprising:
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a light emitting element;
a substrate on which the light emitting element is mounted, the substrate comprising an inorganic material;
a sealing portion to seal the light emitting element, the sealing portion comprising an inorganic sealing material; and
a coating portion formed covering the sealing portion, wherein the sealing portion comprises a cutting face by which the light emitting element is surrounded, and the sealing portion is covered with the coating portion on an entire surface thereof that light emitted from the light emitting element reaches directly.
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15. A method of making a light emitting device, comprising:
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a first step that a substrate comprising an inorganic material is provided;
a second stet that a plurality of light emitting elements are mounted on the substrate;
a third step that the substrate with the plurality of light emitting elements mounted thereon is sealed with a sealing material;
a fourth step that a cutting portion is provided in the sealing material;
a fifth step that a coating is formed on a surface of the sealing material including an exposed portion formed by providing the cutting portion; and
a sixth step that the substrate with the sealing material is separated along the cutting potion. - View Dependent Claims (16, 17)
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Specification