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Direct type backlight assembly

A technology of backlight assembly and holder, applied in optics, nonlinear optics, instruments, etc., can solve the problems of improving assembly process of complex parts, blurred images, and inability to scatter light.

Inactive Publication Date: 2009-09-16
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] Figure 5 is a cross-sectional view of a backlight assembly according to a preferred embodiment of the present invention. Figure 6 is a perspective view of a lamp guide plate according to the present invention. Figure 7 and Figure 8 is a perspective view of a light guide plate according to another preferred embodiment of the present invention.

[0041] Such as Figure 5 As shown, the direct-type backlight assembly according to the present invention includes many light-emitting lamps 11 arranged at fixed intervals; a reflector 12 arranged at the bottom of ...

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Abstract

The present invention relates to a direct type backlight assembly in which a lamp guide plate is formed in a shape capable of absorbing external impact, thereby preventing noise from occurring between the lamp guide plate and a diffusion plate and damage to the diffusion plate. This direct-type backlight assembly includes at least one light-emitting lamp arranged under the LCD panel, and the LCD panel includes two opposite substrates and a liquid crystal layer arranged between the two opposite substrates; a reflection plate arranged on the bottom of the light-emitting lamp ; a diffusing plate arranged above the luminous lamp; an optical sheet arranged on the diffusing plate; and a lamp guide plate arranged on the reflector and connected with the reflector, wherein the lamp guide has a supporting body, and the supporting body supports the diffusing plate and has a basis Tensile structure on which the load applied is highly variable.

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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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1335
CPCG02F1/133604G02F1/133608G02F1/1335
Inventor 李旻奎
Owner LG DISPLAY CO LTD
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