Teaching screen
A screen and cholesteric liquid crystal technology, applied in optics, nonlinear optics, instruments, etc., can solve the problems that TN liquid crystal cannot be applied to flexible panels and use restrictions, and achieve the effect of power saving display color and changeable display color
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[0029] Preferred embodiments of the teaching screen according to the present invention will be described below with reference to the relevant drawings, wherein the same components will be described with the same reference numerals.
[0030] The teaching screen of the present invention can be, for example but not limited to, a mobile phone with a touch function, a tablet or an electronic whiteboard, or other display devices capable of displaying images. In the following embodiments, the teaching screen is, for example, an electronic whiteboard, especially a large-sized electronic whiteboard, and can communicate with other electronic devices. In some embodiments, the display screen of the teaching screen of the present invention can be synchronously displayed on other electronic devices through a network connection; or, the display screens of other electronic devices can be synchronized on the teaching screen of the present invention via the network show.
[0031] The teaching ...
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