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Backlight module

A technology of a backlight module and an optical axis is applied in the field of backlight modules that can improve the overall brightness, and can solve the problems that the overall brightness of the backlight module 100 cannot be easily improved.

Active Publication Date: 2011-01-05
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the overall brightness of the backlight module 100 will not be easily improved

Method used

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Examples

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Embodiment Construction

[0042] Figure 2A is a schematic top view of a backlight module according to an embodiment of the present invention, and Figure 2B for along Figure 2A The cross-sectional view of the backlight module shown by the line AA'. For the convenience of explanation, Figure 2A Only the relative positions of the light-emitting elements of the backlight module and the light guide plate are shown, and the films positioned above and below the light guide plate are not shown. Please also refer to Figure 2A and Figure 2B , the backlight module 200 of this embodiment includes a light guide plate 210 and a plurality of light emitting elements 220 . The light guide plate 210 has a light incident surface 212 and a light exit surface 214, wherein the light exit surface 214 has a visible area 214a. The light-emitting elements 220 are disposed on the light-incident surface 212 of the light guide plate 210, wherein each light-emitting element 220 has a light-emitting surface 222 and an op...

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PUM

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Abstract

The invention discloses a backlight module which comprises a light guide plate and a plurality of light-emitting components. The light guide plate is provided with an incidence surface and an emergence surface which is provided with a visible area, the light-emitting components are arranged on the incidence surface of the light guide plate, and each light-emitting component is provided with a light emission surface and an optical shaft perpendicular to the light emission surface. The optical shafts are approximately crossed in a center point of the visible area.

Description

technical field [0001] The invention relates to a backlight module, and in particular to a backlight module capable of improving overall brightness. Background technique [0002] Generally speaking, a liquid crystal display device usually includes a liquid crystal display panel and a backlight module, wherein the backlight module is mainly used to provide a surface light source required by the liquid crystal display panel when displaying. [0003] figure 1 is a schematic top view of a known backlight module, wherein for the convenience of description, figure 1 Only the relative positions of the LEDs in the backlight module and the light guide plate are shown, and the optical films above and below the light guide plate are not shown. Please refer to figure 1 , the backlight module 100 includes a plurality of light emitting diodes 110 and a light guide plate 120 . The light guide plate 120 has a long side and a short side, and the light emitting diodes 110 are usually arra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S8/00F21V8/00F21V19/00F21V13/00F21V17/00
Inventor 苏子文
Owner AU OPTRONICS CORP