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Liquid crystal display panel with switchable viewing angle and method for driving the same

A liquid crystal display panel and driving method technology, applied in static indicators, instruments, nonlinear optics, etc., can solve gray scale inversion and other problems, achieve the effect of reducing oblique light leakage and improving gray scale inversion phenomenon

Active Publication Date: 2022-07-01
KUSN INFOVISION OPTOELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide a liquid crystal display device to solve the problem of grayscale inversion at large viewing angles at narrow viewing angles in existing liquid crystal display devices

Method used

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  • Liquid crystal display panel with switchable viewing angle and method for driving the same
  • Liquid crystal display panel with switchable viewing angle and method for driving the same
  • Liquid crystal display panel with switchable viewing angle and method for driving the same

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no. 1 example

[0033] figure 2 It is a schematic cross-sectional structure diagram of the liquid crystal display panel in the first embodiment of the present invention, image 3 It is a schematic diagram of a plane structure of a sub-pixel in the first embodiment of the present invention. please combine figure 2 and image 3 , an embodiment of the present invention provides a liquid crystal display panel with a switchable viewing angle, the liquid crystal display panel includes a first substrate 10, a second substrate 20 and a liquid crystal layer sandwiched between the first substrate 10 and the second substrate 20, A common electrode 12 and a pixel electrode 11 are arranged on the first substrate 10, a viewing angle control electrode 21 is arranged on the second substrate 20, a plurality of sub-pixels 101 arranged in an array are formed on the first substrate 10, and the pixel electrodes 11 are arranged on each In the sub-pixels 101, the pixel electrode 11 in each sub-pixel 101 includ...

no. 2 example

[0043] Image 6 It is a schematic diagram of a plane structure of a sub-pixel in the second embodiment of the present invention. please combine Image 6 In this embodiment, the first direction A of the liquid crystal molecules in the sub-pixel 101 is used as the positive direction of the Y-axis, the direction parallel to and opposite to the first direction A is used as the negative direction of the Y-axis, and the first direction A is opposite to the negative direction of the Y-axis. The two vertical directions are the positive direction of the X-axis and the negative direction of the X-axis, respectively. In addition, with the first direction A of the liquid crystal molecules in each sub-pixel 101 as the reference direction (the first direction is 0°), each sub-pixel 101 Each of the first pixel electrode strips 112 forms an angle with the alignment of the liquid crystal molecules. The inclination angle of the first pixel electrode strip 112 in the middle of each sub-pixel 1...

no. 3 example

[0049] Figure 7 It is a schematic diagram of a plane structure of a sub-pixel in the third embodiment of the present invention. please combine Figure 7 In this embodiment, the first direction A of the liquid crystal molecules in the sub-pixel 101 is used as the positive direction of the Y-axis, the direction parallel to and opposite to the first direction A is used as the negative direction of the Y-axis, and the first direction A is opposite to the negative direction of the Y-axis. The two vertical directions are the positive direction of the X-axis and the negative direction of the X-axis, respectively. In addition, with the first direction A of the liquid crystal molecules in each sub-pixel 101 as the reference direction (the first direction is 0°), each sub-pixel 101 Each of the first pixel electrode strips 112 forms an angle with the alignment of the liquid crystal molecules. The inclination angle of the first pixel electrode strip 112 in the middle of each sub-pixel ...

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Abstract

A liquid crystal display panel with a switchable viewing angle, wherein a plurality of sub-pixels arranged in an array are formed on a first substrate, a pixel electrode is arranged in each sub-pixel, and the pixel electrode in each sub-pixel includes a first pixel electrode part, a second pixel electrode part; A pixel electrode portion includes a plurality of first pixel electrode strips that are electrically connected together, and the inclination angles of the plurality of first pixel electrode strips are different. In the liquid crystal display panel with switchable viewing angle provided by the present invention, a plurality of sub-pixels arranged in an array are formed on the first substrate, and first pixel electrode strips with different inclination angles are arranged in each sub-pixel, so that each sub-pixel is arranged The sub-pixels are divided into multiple regions, and the horizontal electric field driving the liquid crystal molecules to rotate in the horizontal plane is different in each region, which can reduce the oblique light leakage of the liquid crystal display panel under the narrow viewing angle mode and improve the narrow viewing angle mode. grayscale inversion phenomenon.

Description

technical field [0001] The present invention relates to the field of display technology, and in particular, to a liquid crystal display panel with a switchable viewing angle and a driving method thereof. Background technique [0002] With the continuous advancement of liquid crystal display technology, the viewing angle of the display has been widened from about 120° to more than 160°. While enjoying the visual experience brought by the large viewing angle, people also hope to effectively protect business secrets and personal privacy. Avoid business loss or embarrassment caused by the leakage of screen information. [0003] The current display devices are gradually developing in the direction of wide viewing angle. Whether it is a mobile phone mobile terminal application, a desktop display or a notebook computer application, in addition to the demand for a wide viewing angle, in many occasions, the display device is also required to have a wide viewing angle and a narrow vie...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1343G02F1/1333G02F1/133
CPCG02F1/134309G02F1/1333G02F1/13306
Inventor 苏子芳沈家军周学芹
Owner KUSN INFOVISION OPTOELECTRONICS
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