Lighting apparatus
First Claim
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1. A lighting apparatus comprising:
- a transparent globe;
a transparent optical element including a scattering portion at a first end along an axis, a light incident surface at a second end along the axis, a cylindrical side surface extending from a circumferential edge of the light incident surface along the axis, and an inclined surface continuous with the cylindrical side surface and inclined inward to surround the scattering portion;
a light source disposed to be opposed to the light incident surface of the optical element; and
a diffusion portion subjected to surface treatment to diffuse and reflect light and thermally connected with the light source,wherein the scattering portion and the diffusion portion are disposed inside the globe.
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Abstract
A lighting apparatus according to an embodiment includes a globe, an optical element including a scattering portion inside and transparent to visible light, and a light source disposed to be opposed to a light incident surface of the optical element. The scattering portion is disposed inside the globe.
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Citations
12 Claims
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1. A lighting apparatus comprising:
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a transparent globe; a transparent optical element including a scattering portion at a first end along an axis, a light incident surface at a second end along the axis, a cylindrical side surface extending from a circumferential edge of the light incident surface along the axis, and an inclined surface continuous with the cylindrical side surface and inclined inward to surround the scattering portion; a light source disposed to be opposed to the light incident surface of the optical element; and a diffusion portion subjected to surface treatment to diffuse and reflect light and thermally connected with the light source, wherein the scattering portion and the diffusion portion are disposed inside the globe. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification