Invention Grant
- Patent Title: Indirect area lighting apparatus and methods
- Patent Title (中): 间接照明设备和方法
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Application No.: US13584525Application Date: 2012-08-13
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Publication No.: US09279564B1Publication Date: 2016-03-08
- Inventor: John R. Householder
- Applicant: John R. Householder
- Applicant Address: US AL Madison
- Assignee: Universal Lighting Technologies, Inc.
- Current Assignee: Universal Lighting Technologies, Inc.
- Current Assignee Address: US AL Madison
- Agency: Patterson Intellectual Property Law, P.C.
- Agent Mark J. Patterson; Jerry Turner Sewell
- Main IPC: F21V1/00
- IPC: F21V1/00 ; F21V11/00 ; F21V7/08 ; F21V7/00 ; F21K99/00 ; F21Y101/02

Abstract:
A lighting fixture apparatus includes a light source oriented toward a illumination area. A primary reflector is disposed between the light source and the illumination area. The primary reflector includes a primary concave surface substantially facing away from the illumination area. A secondary reflector is positioned opposite the primary concave surface and includes a secondary concave surface substantially facing toward the illumination area. The primary concave surface is substantially specularly reflective, and the secondary concave surface is substantially diffusely reflective. In some embodiments, only reflected light is visible from the illumination area, and no direct light from the light source is incident on the illumination area.
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