Sonic welded optic assembly
First Claim
Patent Images
1. An optic assembly comprising:
- a printed circuit board;
a light source mounted to the printed circuit board;
a reflector to reflect light emitted by the light source, the reflector being bonded to an optical lens;
the optical lens disposed over and around the light source and configured to direct a majority of light emitted from the light source to the sides of the optical lens;
wherein the optical lens is configured to direct light emitted from the light source using refraction and total internal reflection and the reflector and optical lens are configured to define a cavity between the reflector and the optical lens; and
wherein a boundary is formed on the optical lens adjacent the cavity which provides a total internal reflective surface on said optical lens, said boundary existing on only one side of said optical lens.
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Accused Products
Abstract
An optic assembly includes a light source, a reflector to reflect light emitted by the light source, and an optical lens disposed over and/or around the light source. The optical lens is configured to direct light emitted from the light source using refraction and total internal reflection.
5 Citations
18 Claims
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1. An optic assembly comprising:
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a printed circuit board; a light source mounted to the printed circuit board; a reflector to reflect light emitted by the light source, the reflector being bonded to an optical lens; the optical lens disposed over and around the light source and configured to direct a majority of light emitted from the light source to the sides of the optical lens; wherein the optical lens is configured to direct light emitted from the light source using refraction and total internal reflection and the reflector and optical lens are configured to define a cavity between the reflector and the optical lens; and wherein a boundary is formed on the optical lens adjacent the cavity which provides a total internal reflective surface on said optical lens, said boundary existing on only one side of said optical lens. - View Dependent Claims (2, 3, 4, 17)
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5. A luminaire optical system comprising:
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a housing; a light source mounted to a printed circuit board disposed within the housing; an optical lens disposed over and around the light source and configured to direct a majority of light emitted from the light source to only one side of the optical lens; a reflector to reflect light emitted by the light source, the reflector being bonded to the optical lens; wherein the housing holds the optical lens, the printed circuit board, and the reflector together, the optical lens is disposed exclusively within the visibility envelope, wherein the optical lens is fashioned to control light emitted from the light source using refraction and total internal reflection, the optical lens is recessed within a housing and light emitted from the light source is reflected off the reflector to light an area proximate the housing, and the reflector and optical lens are configured to define a cavity between the reflector and the optical lens. - View Dependent Claims (6, 7, 8, 18)
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9. An optic assembly comprising:
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a printed circuit board; a light source mounted to the printed circuit board; a reflector to reflect light emitted by the light source, the reflector being bonded to an optical lens; the optical lens disposed over and around the light source and configured to direct a majority of direct light emitted from the light source to the sides of the optical lens, wherein the optical lens is disposed to refract a first portion of the light emitted from the light source immediately through a first surface and totally reflect a second portion of light source emitted from the light source immediately off a second surface and the reflector and optical lens are configured to define a cavity between the reflector and the optical lens; and wherein a boundary is formed on the optical lens adjacent the cavity which provides a total internal reflective surface on said optical lens, said boundary existing on only one side of said optical lens. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. An optic assembly comprising:
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a light source; a reflector to reflect light emitted by the light source; and an optical lens disposed over and around the light source and configured to direct a majority of light emitted from the light source to only one side of the optical lens; wherein the optical lens is configured to direct light emitted from the light source using refraction and total internal reflection, the reflector and optical lens are configured to define a cavity between the reflector and the optical lens, a boundary of the cavity includes a total internal reflective surface, the reflector is bonded to the optical lens by means of a sonic weld, and the cavity is sealed and provides for self heating to clean off any residue on the total internal reflective surface.
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Specification