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LED-based lighting unit with substantially sealed LEDs

A lighting unit, a substantial technology, applied in the directions of outdoor lighting, lighting devices, lighting and heating equipment, etc., can solve the problems of not properly protecting the electrical components of the optical system, changing the light output characteristics of LEDs, difficult to apply accurately, etc.

Inactive Publication Date: 2016-03-09
SIGNIFY HLDG BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While such LED lighting units may provide ingress protection to the LEDs, their resins may unintentionally alter one or more light output characteristics of the LEDs, may be difficult to apply precisely, may not properly protect other electrical components of the optical system, and / or May exhibit other defects

Method used

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  • LED-based lighting unit with substantially sealed LEDs
  • LED-based lighting unit with substantially sealed LEDs
  • LED-based lighting unit with substantially sealed LEDs

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Embodiment Construction

[0037] LED lighting fixtures have been designed to enclose the LEDs in housings having transparent or translucent glass portions that are substantially sealed over openings in the housing. Together, the housing and the glass portion provide a degree of ingress protection to the LED. LED lighting fixtures are also designed to enclose the LEDs in a clear or translucent resin to provide a degree of ingress protection for the LEDs. While such lighting fixtures can provide ingress protection, they suffer from one or more drawbacks. For example, its sealing aspects may be fragile, expensive, excessive in quantity, difficult to apply, may undesirably alter the light output of one or more LEDs, and / or may prevent easy access to the interior of the housing and / or the optical system . Accordingly, Applicants have recognized and appreciated that there is a need in the art to provide an improved LED-based lighting unit having a plurality of substantially sealed LEDs from the external en...

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PUM

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Abstract

An LED-based lighting unit (10) having a substantially sealed LED (30) is disclosed. The LED-based lighting unit (10) includes a plurality of LEDs (30) coupled to a mounting surface; a plurality of optical components (52), each optical component (52) positionable adjacent to the mounting surface around at least one LED, and A resilient layer (60) adjoins the optics (52) and extends between the optics (52). Optionally, an adhesive layer (40) may be interposed between the mounting surface and the optic (52) and / or resilient layer (60). Optionally, a rigid layer (70) may be provided on top of the resilient layer (60).

Description

technical field [0001] The present invention is generally directed to LED-based lighting units. More specifically, various inventive methods and apparatus disclosed herein relate to LED-based lighting units having a plurality of LEDs that are substantially sealed from the external environment. Background technique [0002] Digital lighting technology, ie lighting based on semiconductor light sources such as light emitting diodes (LEDs), offers a viable alternative to traditional fluorescent, HID, and incandescent lamps. Functional advantages and benefits of LEDs include high energy conversion and light efficiency, durability, low operating costs, and many others. Recent developments in LED technology provide efficient and durable full-spectrum light sources that support a variety of lighting effects in many applications. Some fixtures incorporating these sources feature a lighting module that includes one or more LEDs capable of producing different colors, such as red, gre...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21K9/00
CPCF21V5/007F21V5/04F21V17/16F21V31/005F21W2131/10F21W2131/1005F21W2131/103F21Y2105/10F21Y2115/10F21Y2101/00H05B33/04F21V5/10F21K9/20
Inventor J-F·拉波特
Owner SIGNIFY HLDG BV