High intensity discharge arc lamp using uv-absorbant coating
AssigneeThe Board of Trustees of the University of Illinois
InventorsKyekyoon Kim, Ju Gao, Hyungsoo Choi, Ravindra P. Singh
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Abstract
A high intensity discharge arc lamp comprises an arc tube, a metal halide in the arc tube, and a coating on the arc tube. The coating comprises a UV absorbent material.
Claims54
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A high intensity discharge arc lamp, comprising:
- an arc tube,
- a metal halide, in the arc tube, and
- a coating on the arc tube,
- wherein the coating comprises a UV absorbent material.
A lamp housing, comprising:
- a glass or quartz housing, and
- a coating on the housing,
- wherein the coating comprises a UV absorbent material.
A method of making a lamp housing, comprising coating a glass or quartz housing with a UV absorbent material.
A method of making a high intensity discharge arc lamp, comprising:
- coating a glass or quartz housing with a UV absorbent material;
- and
- forming a high intensity discharge arc lamp from the housing.
A method of reducing the UV light output of a high intensity discharge arc lamp, comprising coating the lamp housing with a UV absorbent coating.
Dependencies are inferred from the claim text.