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Backlight assembly and liquid crystal display apparatus

A technology of backlight components and light diffusion, applied in lighting devices, fixed lighting devices, optics, etc., can solve the problems of destroying the display quality of LCD devices, increasing CCFL power consumption, and CCFL bending

Inactive Publication Date: 2004-01-14
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the length of the CCFL is longer, the voltage for driving the CCFL, the heat emitted from the CCFL, and the power consumption in the CCFL increase
Also, since the weight of the CCFL increases with its length, the CCFL may bend, thereby deteriorating the display quality of the LCD device

Method used

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  • Backlight assembly and liquid crystal display apparatus
  • Backlight assembly and liquid crystal display apparatus
  • Backlight assembly and liquid crystal display apparatus

Examples

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Embodiment Construction

[0023] figure 1 is an exploded perspective view showing a backlight assembly according to an exemplary embodiment of the present invention.

[0024] refer to figure 1 , the backlight assembly 700 includes an installation container 100 , a reflection plate 115 , a lamp 200 , a lamp holder 300 , a brightness control unit 400 and a diffusion plate 500 . The lamp 200 may have, for example, two or more sub-lamps 210 , and the backlight assembly 700 may have lamps 200 each having two or more sub-lamps 210 .

[0025] The installation container 100 includes a bottom surface 110 and sidewalls 120 protruding from edge portions of the bottom surface 110 respectively. The bottom surface 110 is, for example, rectangular. exist figure 1 Among them, the first direction is the length direction of the bottom surface 110, and the second direction is the width direction perpendicular to the first direction. The lamp 200 is disposed on the bottom surface 110 of the installation container 100 ...

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Abstract

Disclosed is a backlight assembly and an LCD apparatus having uniform brightness and low power consumption. The backlight assembly has a plurality of lamps for providing light to the LCD panel. Each of the plurality of lamps has two or more sub-lamps connected to each other in series. The backlight assembly has a brightness control unit disposed between the sub-lamps to reduce a brightness difference.

Description

technical field [0001] The present invention relates to a backlight assembly and an LCD (Liquid Crystal Display) device, and more particularly, to a backlight assembly and an LCD device with uniform brightness and low power consumption. Background technique [0002] LCD devices display images using electrical signals generated by devices that process image information. In order to display images, an LCD device is generally provided with a liquid crystal control device and a light source device. The liquid crystal control device controls the liquid crystal according to an electric signal from the image information processing device, and the light source device supplies light to the liquid crystal control device. [0003] The light source device may be a one-dimensional light source for generating one-dimensional light, such as point light or linear light, or a two-dimensional light source for generating two-dimensional light, such as surface light. The LCD device utilizes a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S2/00F21S4/00F21S8/04F21Y103/00G02F1/13357
CPCG02F1/133604G02F1/1335
Inventor 李汰真朴钟大李正焕李根雨李在祥崔容硕方昌
Owner SAMSUNG DISPLAY CO LTD
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