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Direct type backlight assembly

A technology of backlight components and holders, which is applied in optics, nonlinear optics, instruments, etc., and can solve the problems of non-scattering of light, lack of competitiveness, blurred images, etc.

Inactive Publication Date: 2007-10-17
LG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The problem with edge backlight assemblies is that they are not competitive due to their complex component sourcing and assembly processes
Therefore, light cannot be scattered within the scratches of the light-diffusing plate, so that the image will be blurred

Method used

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Examples

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Embodiment Construction

[0038] Referring now to the various embodiments of the invention in detail, various embodiments of the invention are illustrated in the accompanying drawings. Throughout the drawings, the same reference numerals are used to refer to the same or similar parts.

[0039] Hereinafter, a direct type backlight assembly according to the present invention will be described with reference to the accompanying drawings.

[0040] FIG. 5 is a cross-sectional view of a backlight assembly according to a preferred embodiment of the present invention. Fig. 6 is a perspective view of a light guide plate according to the present invention. 7 and 8 are perspective views of a light guide plate according to another preferred embodiment of the present invention.

[0041] As shown in Fig. 5, the direct type backlight assembly according to the present invention comprises a plurality of light-emitting lamps 11 arranged at fixed intervals; a reflection plate 12 arranged at the bottom of the light-emit...

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Abstract

A direct type backlight assembly is disclosed, in which a lamp guide is formed in a shape which can absorb an external force to prevent distortion from occurring from contact between the lamp guide and a diffusion plate, and to prevent the diffusion plate from being damaged. The direct type backlight assembly includes a light-emission lamp provided under an LCD panel; a reflecting plate provided on the bottom side of the light-emission lamp; a diffusion plate provided above the light-emission lamp; optical sheets provided on the diffusion plate; and a lamp guide provided on and connected with the reflecting plate, wherein the lamp guide has a supporter having a compression structure, the height thereof varying based on a load applied thereto.

Description

[0001] This application claims the benefit of Korean Patent Application No. 10-2006-0033228 filed on Apr. 12, 2006, which is hereby incorporated by reference in its entirety. technical field [0002] The present invention relates to a backlight unit of a liquid crystal display (LCD) device, and more particularly, to a direct type backlight assembly which minimizes noise caused by friction between a lamp guide and a diffusion plate. Background technique [0003] In recent years, various flat display devices such as liquid crystal display (LCD) devices, field emission display (FED) devices, electroluminescence display (ELD) devices, and plasma display panels (PDP) are being actively researched and developed. [0004] Among these flat panel display devices, LCD devices have been widely used in monitors of notebook personal computers, desktop computers, and liquid crystal televisions because of their high contrast ratio, good gray scale, high-quality moving images, and low power ...

Claims

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Application Information

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IPC IPC(8): G02F1/1335
CPCG02F1/133604G02F1/133608G02F1/1335
Inventor 李旻奎
Owner LG DISPLAY CO LTD
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