Backlight source of liquid crystal display
A liquid crystal display and backlight technology, which is applied to instruments, optics, light guides, etc., can solve problems such as affecting the overall thickness of the module, and achieve the effects of convenient assembly, reducing the width of the forehead and improving the utilization efficiency.
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[0019] Example 1
[0020] image 3 Shown is a cross-sectional view of the first backlight model of the present invention. The structure of this model consists of a light guide plate 31, a light source 33, a reflective film 35, a side reflective film 36 and a diffusion film 34. The light guide plate 31 is a specially shaped light guide plate, the light source 33 is placed in the slot 32, and side reflection films 36 are attached to both sides of the light guide plate 31. According to the needs of brightness, select the number of light sources and the number of corresponding light guide plate notches. In order to prevent bright lines from appearing in the area directly above the light source 33, a notch reflective film 37 is attached to the groove on the notch 32 for light shielding treatment. The reflection pattern of the light guide plate 31 is provided on the bottom surface of the light guide plate 31 and the bottom surface of the notch 32. The light L2 enters the light guide pl...
Example Embodiment
[0024] Example 2
[0025] Figure 6 What is shown is a cross-sectional view of another backlight source model of the present invention, which combines the structural characteristics of an edge type backlight source and a direct type backlight source. The structure of this model is composed of a light guide plate 31, a light source 33, a reflective film 35, a light source reflective cover 66, and a diffusion film 34. The light guide plate 31 is a specially shaped light guide plate, a part of the light source 33 is placed at the slot 32, and both sides of the light guide plate 31 are also installed with lamp tubes as the light source 33. According to the needs of brightness, the number of light sources 33 and the corresponding number of notches on the light guide plate are selected. In order to prevent bright lines from appearing in the area directly above the light source 33, a notch reflective film 37 is attached to the groove on the notch 32 for light shielding treatment. The ref...
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