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Improved side-light type panel protection layer

A technology of panels and translucent layers, applied in the field of side-lit panel lighting appliances

Inactive Publication Date: 2015-02-11
GE LIGHTING SOLUTIONS LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Accordingly, lighting fixtures with high glare and UGR values ​​have limited utility and demand in these office environments, computer-aided design (CAD) workstations, reception areas, etc.

Method used

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  • Improved side-light type panel protection layer
  • Improved side-light type panel protection layer
  • Improved side-light type panel protection layer

Examples

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Embodiment Construction

[0090] While the invention has been described herein by way of illustrative embodiments for specific applications, it should be understood that the invention is not limited thereto. Those skilled in the art having access to the teachings provided herein will recognize additional modifications, applications, and embodiments within the scope thereof and in additional fields in which the present invention will have great utility.

[0091] In the example, figure 1 is an illustration of a typical LED panel lighting fixture 100 typically used in applications in which embodiments of the present invention may be practiced. For example, LED panel lighting fixture 100 is commonly used in office environments, such as conference and meeting rooms, CAD workstations, reception areas, archives, and the like. By way of example and not limitation, lighting fixture 100 is a 1x4 recessed troffer. However, embodiments of the present invention are neither limited to light troffers nor to the exe...

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PUM

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Abstract

Provided is an apparatus for reducing glare in a lighting panel. The apparatus includes a translucent layer having an emitting surface. A microstructure of the emitting surface is formed of features in cooperative arrangement for redirecting light produced by the lighting panel.

Description

technical field [0001] The present invention relates generally to edge-lit panel lighting fixtures. More specifically, the present invention relates to controlling the light distribution in edge-lit panels to achieve an optimal unified glare rating (UGR: unified glare rating). Background technique [0002] Edge-lit light emitting diode (LED) panels are becoming an increasingly common technology for use in, for example, indoor lighting fixtures. As understood by those skilled in the art, light is transmitted from the array of LED light sources through the light guide to the central area of ​​the edge-lit panel. [0003] One of the advantages of edge-lit panels is that they allow the lighting fixture to be very thin. However, the disadvantage is that traditional edge-lit panel products cannot effectively control UGR. A consequence of UGR that cannot be effectively controlled is the production of glare, which can be particularly noticeable in large rooms. This is especially...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21V5/00F21V8/00F21Y101/02
CPCB29C45/14778B29C2059/023G02B6/0043B29C2045/0094G02B6/0038G02B6/0036B29C59/022B29C59/04B29C45/14336G02B1/11B29L2011/00G02B6/0051
Inventor J.高方敏李嘉炜龙奇
Owner GE LIGHTING SOLUTIONS LLC