Liquid crystal display device and viewpoint switching method thereof
A liquid crystal display device, viewing angle technology, used in static indicators, nonlinear optics, instruments, etc.
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no. 1 example
[0031] figure 1 It is a schematic plan view of the liquid crystal display device in the first embodiment of the present invention, figure 2 for figure 1 The schematic diagram of the local structure in image 3 for figure 1 Schematic diagram of the structure of the control electrode in the middle viewing angle, Figure 4 for figure 1 Schematic diagram of the breakdown structure in . Please refer to Figure 1 to Figure 4 , the liquid crystal display device includes a first substrate 21 , a second substrate 22 disposed opposite to the first substrate 21 , and a liquid crystal layer 23 located between the first substrate 21 and the second substrate 22 .
[0032] The liquid crystal display device provided in this embodiment is suitable for liquid crystal display devices of in-plane switching (IPS), fringe electric field switching (FFS) and other modes, and the common electrode and the pixel electrode are both formed on the same substrate (ie, the thin film transistor array s...
no. 2 example
[0056] Image 6 It is a schematic plan view of the liquid crystal display device in the second embodiment of the present invention, Figure 7 for Image 6 Schematic diagram of the decomposition structure in Figures 8a to 8d for Image 6 Schematic diagram of the arrangement of neutral liquid crystal molecules when different voltages are applied to the viewing angle control electrode. The difference between this embodiment and the first embodiment is that, in this embodiment, the liquid crystal layer 23 adopts positive liquid crystal molecules.
[0057] please combine Image 6 and Figure 7 , the alignment direction of the position corresponding to each main pixel SP1 on the first substrate 21 is A1, the alignment direction of the position corresponding to each first sub-pixel SP2 on the first substrate 21 is A2, and the alignment direction of the first substrate 21 and each primary pixel SP2 is A2. The alignment direction of the position corresponding to the second sub-pix...
no. 3 example
[0068] Figure 9 It is a partial cross-sectional view of the liquid crystal display device in the third embodiment of the present invention. Please refer to image 3 , the difference between this embodiment and the second embodiment is that a common electrode 225 is provided on the second substrate 22 in a region corresponding to each main pixel SP1, and on the second substrate 22 corresponding to each first sub-pixel SP2 and each The common electrodes 225 are not provided in the regions of the second sub-pixels SP3. For other structures and elements included in this embodiment, please refer to the second embodiment.
[0069] When a display voltage is applied to the pixel electrode 227, no voltage difference or a small voltage difference is applied between the first electrode part 212a and the common electrode 225, and the second electrode part 212b, the third electrode part 212c and the pixel When a certain voltage difference is applied between the electrodes 227, a vertic...
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