LCD (liquid crystal display) seamless splicing system
A seamless splicing and optical system technology, applied in the field of LCD display, can solve problems such as image disorder, high manufacturing process difficulty, and low cost, and achieve the effects of saving costs, eliminating LCD seams, and simplifying design
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[0044] Example one
[0045] The optical system structure used in this embodiment and the method for achieving seamless LCD splicing are as follows Figure 2-9 Shown. Such as figure 2 As shown, the image display area of the LCD panel is first divided into a middle part 3 and an edge part, and then the edge part is divided into several identical rectangular areas 2, and the purpose of covering the LCD frame 1 is achieved through the design of the optical system. On this basis, finally, the pixels in the middle part of the image display area of the LCD panel are connected with the pixels in the edge part of the image display area of the LCD panel through the receiving screen, so as to display the image completely.
[0046] image 3 Shown is a schematic diagram of the optical system design of this embodiment. The optical system corresponding to the middle part 3 of the image display area of the LCD panel is an ordinary direct-lit LED backlight system 9; the optical system str...
Example Embodiment
[0048] Example two
[0049] See Picture 10 Except for the following features, the other features of this embodiment are the same as the first embodiment.
[0050] Such as Picture 10 As shown, the optical system can also omit the design of the offset system, and the purpose of eliminating the LCD frame can also be achieved by adjusting the angle of the light incident on the LCD panel. Such as Picture 10 As shown, after the light emitted from the light source 4 passes through the homogenizing system 5 and the light collimating system 6, the emitted light forms a certain angle with the normal direction of the LCD panel. By adjusting and receiving the height of the border of the edge portion 8 of the screen as H, the purpose of covering the LCD frame can be achieved. If the width of the LCD frame is L, the angle at which the light needs to be inclined is θ=atan(L / H).
[0051] Such as Picture 10 As shown, an aperture structure 11 is also provided between the homogenization system and...
Example Embodiment
[0052] Example three
[0053] See Picture 11 Except for the following features, the other features of this embodiment are the same as the first embodiment.
[0054] Such as Picture 11 As shown, the design of the light collimation system 6 and the offset system 7 can also be omitted in this example. Such as Picture 11 As shown, after the light passes through the homogenization system 5, it has a certain angle with the normal direction of the LCD panel (the value can be determined according to specific needs) to directly enlarge and offset the image, so as to achieve the final coverage of the LCD panel frame 1. purpose.
[0055] The LCD seamless splicing system described in the above embodiment is highly efficient, energy-saving, and compact in structure, and is not only suitable for 1×N-dimensional seamless splicing, but also for N×N (N≥2)-dimensional seamless splicing, and has no pixel loss. The system structure is easy to implement on the basis of the existing technology, does ...
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