Liquid crystal module with lateral-in back light and liquid crystal display
A liquid crystal module and side-entry technology, which is applied in the field of liquid crystal modules and liquid crystal displays, can solve the problems of black screen, easy to compress LED backlight, poor display of liquid crystal display, etc., and achieve the effect of ensuring safety
Active Publication Date: 2015-02-11
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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Problems solved by technology
If the coupling light distance is too large, the utilization efficiency of light energy of the backlight will be reduced; if the coupling light distance is too small, it is easy to compress the LED backlight when the light guide plate is impacted by external force or when it is thermally expanded, which may cause LED backlight Damage to the source, resulting in poor LCD display or even black screen
Method used
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[0027] Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. like Figure 1 to Figure 5 As shown in FIG. 1 , it shows a schematic structural diagram of a liquid crystal module with an edge-type backlight in the present invention.
[0028] It can be seen that the liquid crystal module with side-type backlight of the present invention at least includes:
[0029] Aluminum extrusion 1, the aluminum extrusion 1 further includes an aluminum extrusion bottom plate 11, and an aluminum extrusion riser 10 extending from the aluminum extrusion bottom plate 11 and perpendicular to it;
[0030] A side-entry backlight 2 is arranged on the inner side wall of the aluminum extruded riser 10, the backlight includes a backlight substrate 20, and a plurality of light-emitting diodes (LEDs) 21 arranged on the backlight substrate 20;
[0031] The light guide plate 3 is provided with a light-incident surface and a light-exit surface, an...
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A liquid crystal module with side-type backlight, at least comprising: an aluminium extrusion (1), a side-type backlight source (2), a light guide plate (3), an optical film group (4), a plastic frame (5), and at least one magnetic attraction device (6) which at least comprises an attraction surface used for clinging to the backlight source (2) and an outer surface protruding from the light emitting surface of the backlight source (2), wherein the outer surface of the magnetic adsorption device (6) is close to or against the light guide plate (3), and has a drop with fixed distance with respect to the light emitting surface of the backlight source (2). Provided is a liquid crystal display adopting the above-mentioned liquid crystal module with side-type backlight. Thus, the light coupling distance of the liquid crystal module can be prevented from being too small, the anti-impact capability of the backlight source (2) is improved, and the service life of the backlight source (2) is improved.
Description
technical field [0001] The present invention relates to a thin film transistor liquid crystal display (Thin Film Transistor Liquid Crystal Display, TFT-LCD) technology, in particular to a liquid crystal module and a liquid crystal display with a side-type backlight. Background technique [0002] In the prior art, most of the backlights used by TFT-LCDs use light emitting diodes (Light Emitting Diode, LED) as light sources, and the LEDs have the advantage of high efficiency and energy saving. [0003] In a large-sized liquid crystal display with side-lit backlight, the distance from the light-emitting surface of the LED backlight in the backlight module to the light guide plate is called the coupling distance, which is a very important optical parameter. Depending on the size of the LCD, it is usually necessary to keep a distance in the range of 0.3~1.5mm. If the coupling light distance is too large, the utilization efficiency of light energy of the backlight will be reduced...
Claims
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IPC IPC(8): G02F1/13357F21V15/00F21Y101/02
CPCG02B6/0091G02B6/0068G02B6/009G02B6/0073G02B6/0001
Inventor 李全
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD