Illuminating apparatus
First Claim
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1. A lighting apparatus comprising:
- a heat dissipater that is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an upper opening; and
a light-emitting device that is provided in an inside of the heat dissipater at the bottom portion and is operable to emit light through the upper opening and towards the circumferential wall portion, whereinthe heat dissipater is made of non-translucent material,the circumferential wall portion has one or more windows for leaking a portion of the emitted light to illuminate an outside of the heat dissipater,the circumferential wall portion has an inner surface and an outer surface,the light-emitting device is provided in a space defined by the inner surface of the circumferential wall, andthe windows are through-holes that pass through the inner surface and the outer surface of the circumferential wall portion, and each throughhole is closed off by a translucent member that transmits the portion of the emitted light.
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Abstract
Provided is a lighting apparatus that is suitable as a substitute for a conventional halogen lamp when positively utilizing leaked light. The lighting apparatus comprises: a heat dissipator 12 that is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an opening; and a light-emitting device 18b that is provided inside the heat dissipator 12 at the bottom portion and is operable to emit light, wherein the heat dissipator 12 has one or more windows 19 for leaking the emitted light outside the heat dissipator 12.
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Citations
22 Claims
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1. A lighting apparatus comprising:
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a heat dissipater that is in one of a bottomed cylindrical shape and a bowl shape, and that has a bottom portion, a circumferential wall portion, and an upper opening; and a light-emitting device that is provided in an inside of the heat dissipater at the bottom portion and is operable to emit light through the upper opening and towards the circumferential wall portion, wherein the heat dissipater is made of non-translucent material, the circumferential wall portion has one or more windows for leaking a portion of the emitted light to illuminate an outside of the heat dissipater, the circumferential wall portion has an inner surface and an outer surface, the light-emitting device is provided in a space defined by the inner surface of the circumferential wall, and the windows are through-holes that pass through the inner surface and the outer surface of the circumferential wall portion, and each throughhole is closed off by a translucent member that transmits the portion of the emitted light. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A lighting apparatus to replace a halogen lamp comprising:
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a heat dissipater that has a bowl shape with a flat bottom portion, an annular circumferential wall portion extending upward upwardly from the flat bottom portion, and an upper opening;
anda light-emitting LED device is provided inside the heat dissipater on the bottom portion and is, the light-emitting LED being operable to emit light through the opening and towards the circumferential wall portion, and a threaded shell base having an eyelet as one of outermost members of the lighting apparatus, wherein the heat dissipater is one of the outermost members of the lighting apparatus, the annular circumferential wall portion has a plurality of spaced windows for emitting a portion of the emitted light through and around the circumferential wall portion to illuminate an outside of the heat dissipater to simulate a surrounding light of halogen lamps, the annular circumferential wall portion has a reflector inner surface that reflects light through the upper opening and an outer surface, the light-emitting LED device is provided in a space defined by the reflector inner surface of the annular circumferential wall, and the plurality of spaced windows are through-holes that pass through the inner surface and the outer surface of the annular circumferential wall portion to simulate the surrounding light of halogen lamps. - View Dependent Claims (12, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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13. A lighting apparatus comprising:
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a heat dissipater including a circumferential wall, and at least one upper opening; and at least one light-emitting device that is provided within the heat dissipater and is operable to emit light through the at least one upper opening and towards the circumferential wall, wherein the circumferential wall has a plurality of openings that allow light emitted from the light-emitting device to provide illumination to an exterior of the heat dissipater, wherein the circumferential wall has an inner surface and an outer surface, wherein the plurality of openings comprise a plurality of rows of openings, and wherein the plurality of openings are closed off by translucent material.
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Specification