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Backlight module

A technology for backlight modules and light sources, which is applied in optics, nonlinear optics, lighting auxiliary devices, etc., can solve the problems of inability to display characteristics of liquid crystal panels, uneven brightness and brightness, etc.

Inactive Publication Date: 2009-07-15
CONTREL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, since the above-mentioned backlight module uses lamps of different lengths or powers, and the illuminance and color rendering of the lamps of different lengths or powers are different, the luminance and brightness emitted by the lamps in the rectangular area are uneven. State distribution, so that the LCD panel cannot display its own characteristics through the backlight module

Method used

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Embodiment Construction

[0012] Hereinafter, a preferred embodiment is enumerated in conjunction with the drawings, in order to illustrate the detailed structure and effect of the present invention.

[0013] see figure 1 As shown, the backlight module provided by a preferred embodiment of the present invention includes a base (10), and the base (10) has two parallel and spaced elongated bases (20) and a plurality of light source groups (30 ).

[0014] Each lamp source group (30) has a first lamp tube (32) and a second lamp tube (34), and the length of the first lamp tube (32) is shorter than that of the second lamp tube (34). One end of the first lamp tube (32) and the second lamp tube (34) is arranged on the two bases (20) respectively, and the other end of the first lamp tube (32) and the second lamp tube (34) then corresponds to each other, so that the first lamp tube (32) and the second lamp tube (34) correspond to each other. A lamp tube (32) and the second lamp tube (34) are coaxially arranged...

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Abstract

The invention discloses a backlight module comprising two base parts which are paralleled at interval and at least two lamp source sets, each lamp source set has a first lamp tube and a second lamp tube, ends of the first lamp tube and the second lamp tube are respectively arranged on the two base parts to enable the other ends of the first lamp tube and the second lamp tube to be corresponding with each other, but the two neighboring lamp source sets are arranged between the two base parts by the mode of mutually inverting the first lamp source and the second lamp source; thereby, the invention can utilize the arrangement and so on characteristics of the lamp source sets to reach the purpose that the backlight module can send the uniform light ray.

Description

technical field [0001] The invention relates to the technical field of backlight modules, in particular to a backlight module that can generate relatively uniform light. Background technique [0002] Since the liquid crystal panel does not have self-illumination, it is usually necessary to use a backlight module (BacklightModule) as the main source of light supply for the liquid crystal panel. When the backlight module is arranged behind the liquid crystal panel, the light emitted by the backlight module can be projected towards the direction of the liquid crystal panel, so that the liquid crystal panel can display its own content. [0003] In the manufacturing process of the liquid crystal panel, generally, each liquid crystal panel is placed on a backlight module before each liquid crystal panel is manufactured and ready for subsequent assembly. The backlight module has several fluorescent tubes, and each fluorescent tube is arranged in a rectangular area. The display co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/13357F21V21/00
Inventor 叶公旭林奕伸
Owner CONTREL TECH CO LTD