Abstract: The present invention provides a slit grating structure and a display device, and relates to the field of stereo display technology. The slit grating structure of the present invention comprises a plurality of alternately arranged transparent strips and switching strips, and a drawing and injecting unit, wherein the drawing and injecting unit is configured to inject non-transparent liquid into the switching strips from a cavity and draw non-transparent liquid out of the switching strips. When the slit grating structure cooperates with a 2D display panel, 2D and 3D switching display can be achieved.

Abstract: A method for vocally controlling a television and television thereof is provided. The method for vocally controlling a television comprises collecting a first voice signal of a user; displaying an instruction interface which comprises N instructions for the user to select a first instruction corresponding to the first voice signal when the television cannot recognize the first voice signal, said first instruction being any one instruction among the N instructions; and storing the first voice signal in a first voice set corresponding to the first instruction according to the pre-built instruction-voice set correspondence relationship, the first voice set comprising all the voice signals for triggering the first instruction. The method for vocally controlling a television and the television of the present disclosure can improve the voice control function of the television.

Abstract: The present disclosure provides a display screen, comprising a non-display region which comprises at least one frame rim and a display region which comprises a plurality of pixels, wherein a plurality of regional units each provided with electrochromic material is formed on a surface of the frame rim, and, each of the regional units is configured to display a color corresponding to a color displayed on one of the pixels adjacent to the regional unit when the regional unit is supplied with a voltage associated with the color displayed on the one of the pixels adjacent to the regional unit during a displaying of a picture on the display screen. Meanwhile, the present disclosure also provides a spliced display screen consisted of a plurality of the abovementioned display screen, and a drive method for the abovementioned display screen.