Display panel, display device and display method of display panel
A display device and display panel technology, applied in the direction of instruments, nonlinear optics, optics, etc., can solve problems such as complicated operation and inconvenient
Active Publication Date: 2019-08-16
SHANGHAI TIANMA MICRO ELECTRONICS CO LTD
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Problems solved by technology
However, this way of viewing angle switching is not convenient. In the wide viewing angle mode, the narrow viewing angle film needs to be removed, and in the narrow viewing angle mode, the narrow viewing angle film needs to be reinstalled.
The operation is complicated, and it is not suitable for special application scenarios such as vehicle display
Method used
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[0029] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals denote the same or similar structures in the drawings, and thus their repeated descriptions will be omitted. The words expressing position and direction described in the present invention are all described by taking the accompanying drawings as an example, but changes can also be made according to needs, and all changes are included in the protection scope of the present invention. The drawings of the present inv...
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Abstract
The invention discloses a display panel, a display device and a display method of the display panel. Under a wide-visual angle display mode, a first signal is applied to a first electrode and a secondelectrode, long axis of liquid crystal molecule and dye molecule in a first liquid crystal layer is perpendicular to a plane wherein a first substrate is located, a relatively large included angle isgenerated between a polarization direction of emergent light of a first display module and the long axis of the dye molecule, a light ray is not absorbed or a few amount of light ray is absorbed, anddisplay is performed in a wide-visual angle mode; under a narrow-visual angle display mode, a second signal is applied to the first electrode and the second electrode, and an included angle between the long axis of the liquid crystal molecule and the dye molecule in a second liquid crystal layer and the plane where the first substrate is located is 30-60 degrees. The polarization direction of a part of light of the first display module is parallel to or nearly parallel to the long-axis direction of the dye molecule, the part of light ray is absorbed by the dye molecule, a display picture of the display panel cannot be viewed at a view position corresponding to the part of emergent light ray, and display is performed in a narrow-visual angle mode. By the display panel, switching between awide visual angle and a narrow visual angle is achieved.
Description
technical field [0001] The invention relates to the field of display technology, in particular to a display panel, a display device and a display method thereof. Background technique [0002] With the continuous advancement of display technology, the viewing angle of the display can reach more than 80 degrees. While enjoying the visual experience brought by the large viewing angle, people also hope that in some application scenarios, they can avoid viewing the display content from all viewing angles. At this time It is necessary to switch the display to a narrow viewing angle. For example, in the vehicle-mounted display system, when the driver is driving, the driver should be prevented from watching the display panel that has nothing to do with driving, so as not to affect driving safety. [0003] In the current narrow viewing angle mode, a narrow viewing angle film is set on the display to control the viewing angle within 30 degrees to achieve a narrow viewing angle. Howe...
Claims
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IPC IPC(8): G02F1/13G02F1/1335G02F1/13363G02F1/1343G02F1/137
CPCG02F1/1323G02F1/137G02F1/13737G02F1/134309G02F1/133528G02F1/13363G02F1/13725G02F1/13475G02F1/1347
Inventor 辛龙才
Owner SHANGHAI TIANMA MICRO ELECTRONICS CO LTD