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Multi-facet light engine

a light engine and facet technology, applied in the field of multi-facet light engines, can solve the problems of reducing efficiency, adding additional optical elements, adding cost and complexity to the lighting assembly,

Inactive Publication Date: 2014-01-02
FLEXTRONICS AP LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text describes a lighting assembly that includes a plurality of LEDs arranged as a multi-facet light engine for generating an intended lighting pattern. The LEDs are arrayed on different substrates that are angled relative to a first substrate to achieve the desired illumination. The angles of the substrates can be application-specific. The substrates can be printed circuit boards. The technical effect of the invention is achieved through the use of multiple angled substrates with a concave or convex shape, resulting in a more complete and directed illumination of the external surface. The angle of each substrate can be adjusted and the substrates can be rotatably coupled to the first substrate. The number of substrates can be different from the number of outer edges of the first substrate.

Problems solved by technology

Although useful to reduce shadowing effects, the additional optical elements reduce efficiency and add cost and complexity to the lighting assembly.

Method used

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Embodiment Construction

[0021]Embodiments of the present application are directed to a lighting assembly. Those of ordinary skill in the art will realize that the following detailed description of the lighting assembly is illustrative only and is not intended to be in any way limiting. Other embodiments of the lighting assembly will readily suggest themselves to such skilled persons having the benefit of this disclosure.

[0022]Reference will now be made in detail to implementations of the lighting assembly as illustrated in the accompanying drawings. The same reference indicators will be used throughout the drawings and the following detailed description to refer to the same or like parts. In the interest of clarity, not all of the routine features of the implementations described herein are shown and described. It will, of course, be appreciated that in the development of any such actual implementation, numerous implementation-specific decisions must be made in order to achieve the developer's specific goa...

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Abstract

A lighting assembly includes a plurality of LEDs configured as a multi-facet light engine. A first group of LEDs are arrayed as a main light source and the remaining LEDs are angled relative to the first group of LEDs to generate an intended lighting pattern. The first group of LEDs are arrayed on a first planar surface of a first substrate, and the remaining LEDs are arrayed on second planar surfaces of additional substrates positioned around the first substrate. The planar surfaces of the additional substrates are angled relative to the planar surface of the first substrate. The angles of the second planar surfaces to the first planar surface can be application specific and can be acute or obtuse.

Description

RELATED APPLICATIONS[0001]This Patent Application claims priority under 35 U.S.C. 119 (e) of the co-pending U.S. provisional application, Ser. No. 61 / 665,179, filed Jun. 27, 2012, and entitled “LED LIGHTING” and U.S. provisional application, Ser. No. 61 / 673,660, filed Jul. 19, 2012, and entitled “HIGH BAY LED LIGHTING AND HEAT DISSIPATION”, both by these same inventors. This application incorporates U.S. provisional application, Ser. No. 61 / 665,179 and U.S. provisional application, Ser. No. 61 / 673,660 in their entireties by reference.FIELD OF THE INVENTION[0002]The present invention is generally directed to the field of light emitting diode (LED) lighting. More specifically, the present invention is directed to a LED device configured as a multi-facet light engine.BACKGROUND OF THE INVENTION[0003]A light-emitting diode (LED) is a semiconductor light source. LEDs are increasingly being used in a wide variety of lighting applications. LEDs continue growing in popularity due in part to...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F21K99/00
CPCF21K9/00F21S8/04F21K9/20F21Y2115/10H01L33/64F21V29/89F21V29/71F21V17/12F21V29/70
Inventor MUSSER, JORDONSTRATAS, CHRIS
Owner FLEXTRONICS AP LLC
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