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Backlight unit and display using the same

A technology of backlight unit and light source, applied in optical components, instruments, optics, etc., can solve the problems of expensive drivers and printed circuit boards

Active Publication Date: 2015-07-01
SUZHOU LEKIN SEMICON CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] LCD products using LEDs having the above advantages have been put on the market recently, but these products have a different driving mechanism from conventional CCFL light sources and thus their drivers and printed circuit boards are expensive
Therefore, LED backlight units are only used in expensive LCD products

Method used

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  • Backlight unit and display using the same
  • Backlight unit and display using the same
  • Backlight unit and display using the same

Examples

Experimental program
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Embodiment Construction

[0045] Hereinafter, embodiments will be described with reference to the drawings.

[0046] It will be understood that when an element is referred to as being "on" or "under" another element, it can be directly on / under the element, and one or more intervening elements may also be present. Also, when an element is referred to as being 'on' or 'under', 'under the element' as well as 'on the element' can be included based on the element.

[0047] In the drawings, the thicknesses or sizes of respective layers are exaggerated, omitted, or schematically illustrated for convenience and clarity of description. In addition, the size of the respective elements does not represent the actual size thereof.

[0048] figure 1 is a cross-sectional view of a backlight unit according to one embodiment.

[0049] refer to figure 1 , the backlight unit includes a cover plate (or heat bar) 10, a light source module 20, a first reflector 30, a second reflector 32, and a support portion (or botto...

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PUM

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Abstract

Disclosed are a backlight unit and a display using the same. The backlight unit includes a first reflector, a second reflector, and at least one light source disposed between the first reflector and the second reflector, and the end of the second reflector is separated from the at least one light source by a first distance in the upward direction of the at least one light source.

Description

technical field [0001] Embodiments relate to a backlight unit and a display using the same. Background technique [0002] Generally, as a representative large-scale display, a liquid crystal display (LCD) or a plasma display panel (PDP) is used. [0003] Unlike a self-emitting type PDP, an LCD necessarily requires a separate backlight unit since there is no self-emitting light emitting device. [0004] Backlight units used in LCDs are classified into edge type backlight units and direct type backlight units according to positions of light sources. In the edge type backlight unit, the light sources are arranged on the left and right side surfaces and / or the upper and lower side surfaces of the LCD panel and a light guide plate is used to uniformly distribute the light over the entire surface of the LCD panel, and thus the light The uniformity of the panel is improved and the panel has an ultra-thin thickness. [0005] In a direct type backlight unit generally used in a dis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21S8/00F21V7/04F21V7/10G02F1/13357F21Y101/02
CPCG02B6/0096G02B6/0031G02F1/133605F21V7/0066G02F1/133615G02F1/133609G02F1/1333G02F1/1335
Inventor 尹德铉高世辰郑相赫
Owner SUZHOU LEKIN SEMICON CO LTD