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Lighting unit and lighting system using the lighting unit

A lighting unit and reflector technology, which is applied to the light guide of the lighting system, the parts of the lighting device, and the damage prevention measures of the lighting device, etc., can solve the problem of power consumption reduction and achieve the effect of preventing damage

Active Publication Date: 2017-03-01
SUZHOU LEKIN SEMICON CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In the case of a lighting unit using LEDs, it is possible to turn on and off a part of the LED array, so it is possible to achieve a significant reduction in power consumption

Method used

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  • Lighting unit and lighting system using the lighting unit
  • Lighting unit and lighting system using the lighting unit
  • Lighting unit and lighting system using the lighting unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0063] Reference will now be made in detail to the preferred embodiments, examples of which are illustrated in the accompanying drawings.

[0064] In the following description of the embodiments, it will be understood that when an element such as a layer (film), region, pattern or structure is referred to as being "on" or "under" another element, it may be "directly" on the other element. An element is above or below, or can be formed "indirectly", such that intervening elements are also present. Also, terms such as 'upper' or 'under' should be understood based on the drawings.

[0065] Also, the expressions "on" or "under" may be used herein to indicate the relationship of one element to another as shown in the figures. It will be appreciated that this expression is intended to cover different orientations of elements in addition to the orientation depicted in the figures, ie, both "above" and "below".

[0066] figure 1 is a cross-sectional view illustrating a 2-sided ligh...

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PUM

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Abstract

A lighting unit and a lighting system are disclosed herein. The lighting unit includes a first reflector, a second reflector, a light source module disposed between the first reflector and the second reflector, and a support member for supporting the second reflector. The support member includes first and second inclined surfaces arranged adjacent to each other at opposite sides of the inflection point. The supporting member has a distance of 15 to 50 mm between a first horizontal line passing horizontally through the inflection point and a second horizontal line horizontally passing through an end of the first inclined surface or an end of the second inclined surface. The support member includes protrusions having asymmetric side surfaces facing each other. The height ratio between the side surfaces of the support members is 1:1.01 to 80 or 1.01 to 80:1.

Description

technical field [0001] Embodiments relate to lighting units and lighting systems. Background technique [0002] In general, representative large display devices include liquid crystal displays (LCDs), plasma display panels (PDPs), and the like. [0003] Unlike self-illuminating PDPs, LCDs require a separate lighting unit because no light emitting elements are provided in such LCDs. [0004] Lighting units used in LCDs are classified into edge type lighting units and direct type lighting units according to positions of light sources. In the edge type lighting unit, light sources are arranged at left and right edges or upper and lower edges of the LCD panel, and a light guide plate is provided to uniformly distribute light across the surface of the LCD panel. Such an edge-type lighting unit ensures enhanced light uniformity and enables the production of extremely thin display panels. [0005] Direct lighting units are generally applied to displays of 20 inches or larger. D...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21V17/10F21V15/00F21Y115/10
CPCF21S8/02F21V15/01G02B6/0081G02B6/0096G02F1/133608F21Y2103/10F21Y2115/10F21V7/0025F21V7/10G02F1/133615
Inventor 郑义伦张荣倍
Owner SUZHOU LEKIN SEMICON CO LTD