Display device and operating method thereof

Abstract

A display device and its operating method are proposed. The display device includes a display panel, a sensing device, and a display control and driver. The display panel has a screen display area, wherein the screen display area is smaller than the displayable area of ​​the display panel. The sensing device is used to sense multiple vibration levels of the display panel in different directions to obtain vibration information. The display control and driver is used to adjust the position of the screen display area according to the vibration information. The gate driver is used to adjust the position of transmitting multiple gate drive signals to the display panel according to the vibration information. The source driver is used to adjust the position of transmitting multiple display data to the display panel according to the vibration information. A reset circuit provides multiple reset voltages according to a reset signal to reset the pixel voltages of multiple pixels of the display panel respectively.

Claims

1. A display device, comprising: A display panel having a screen display area, wherein the screen display area is smaller than a displayable area of ​​the display panel; A sensing device is used to sense multiple vibration levels of the display panel in different directions to obtain vibration information; The device includes a display controller and driver coupled to the display panel and the sensing device, used to adjust the position of the screen display area according to the vibration information. The display controller and driver includes: a gate driver having multiple gate drive circuits, used to change the position of a start signal input to the gate drive circuits according to the vibration information, so as to adjust the position of transmitting multiple gate drive signals to the display panel; a source driver, used to change the distribution range of multiple source lines of multiple display data input to the display panel according to the vibration information, so as to adjust the position of transmitting the display data to the display panel; and a reset circuit coupled to the source driver, the gate driver and the display panel, used to receive a reset signal, wherein, before the display device ends the display time interval of each image frame, the reset circuit provides multiple reset voltages to the multiple gate lines of the display panel according to the reset signal, so as to reset the multiple pixel voltages of multiple pixels of the display panel respectively.

2. The display device as claimed in claim 1, wherein when the vibration information indicates that the display panel vibrates in a horizontal direction, the display control and driver adjust the transmission of the display data from one or more first source lines to one or more second source lines, wherein the distribution ranges of the first source lines and the second source lines only partially overlap, and the number of the first source lines is equal to the number of the second source lines.

3. The display device as claimed in claim 1, wherein when the vibration information indicates that the display panel vibrates in a vertical direction, the display control and driver adjusts the transmission of the start signal from a first gate drive circuit to a second gate drive circuit among the gate drive circuits.

4. The display device as claimed in claim 3, wherein the first gate drive circuit is disposed above or below the second gate drive circuit according to a vibration direction of the vibration information.

5. The display device as claimed in claim 1, wherein the display control and driver comprises: A controller, coupled to the sensing device, is configured to generate a first control signal by comparing a first vibration level and a first vibration threshold of the vibration information, and to generate a second control signal by comparing a second vibration level and a second vibration threshold of the vibration information; a gate driver, coupled to the gate lines of the display panel, the gate driving circuits driving the screen display area according to the start signal; and a source driver, coupled to the display panel, the controller, and the gate driver, is configured to generate the start signal to the gate driver according to the first control signal, and to generate display data to multiple first source lines and multiple second source lines of the display panel according to the second control signal.

6. The display device as claimed in claim 5, wherein when the controller generates the second control signal instructing the display panel to vibrate in a horizontal direction, the source driver transmits the display data from the first source lines to the second source lines according to the second control signal, wherein the distribution ranges of the first source lines and the second source lines only partially overlap, and the number of the first source lines is equal to the number of the second source lines.

7. The display device as claimed in claim 5, wherein when the controller generates the second control signal instructing the display panel to vibrate in a vertical direction, the source driver transmits the start signal from a first gate drive circuit to a second gate drive circuit according to the second control signal.

8. A method of operating a display device, comprising: A display panel is provided with a screen display area, wherein the screen display area is smaller than a displayable area of ​​the display panel; A sensing device senses multiple vibration levels of the display panel in different directions to obtain vibration information; a display controller and driver adjusts the position of the screen display area based on the vibration information; a gate driver of the display controller and driver changes the position of a start signal input to multiple gate drive circuits based on the vibration information to adjust the position of transmitting multiple gate drive signals to the display panel; a source driver of the display controller and driver changes the distribution range of multiple source lines of multiple display data inputs to the display panel based on the vibration information to adjust the position of transmitting the display data to the display panel; and a reset circuit of the display controller and driver receives a reset signal, and before the display device ends the display time interval of each image frame, the reset circuit provides multiple reset voltages to multiple gate lines of the display panel based on the reset signal to reset the multiple pixel voltages of multiple pixels of the display panel respectively.

9. The operating method as described in claim 8, wherein the step of adjusting the position of the screen display area according to the vibration information includes: When the vibration information indicates that the display panel vibrates in a horizontal direction, the display control and driver adjust the transmission of the display data from one or more first source lines to one or more second source lines, wherein the distribution range of the first source lines and the second source lines only partially overlaps, and the number of the first source lines is equal to the number of the second source lines.

10. The operating method as described in claim 8, wherein the step of causing the display controller and driver to adjust the position of the screen display area according to the vibration information includes: When the vibration information indicates that the display panel is vibrating in a vertical direction, the display control and driver adjust the transmission of the start signal from a first gate drive circuit to a second gate drive circuit.

11. The method of operation as described in claim 10, wherein the first gate drive circuit is positioned above or below the second gate drive circuit according to a vibration direction of the vibration information.

12. The operating method as described in claim 10 further includes: The controller of the display controller and driver generates a first control signal by comparing a first vibration level and a first vibration threshold of the vibration information, and generates a second control signal by comparing a second vibration level and a second vibration threshold of the vibration information; the gate drive circuits of the gate driver of the display controller and driver drive the screen display area according to the start signal; and the source driver of the display controller and driver generates the start signal to the gate driver according to the first control signal, and generates the display data to a plurality of first source lines and a plurality of second source lines of the display panel according to the second control signal.

13. The method of operation as described in claim 12, wherein when the controller generates the second control signal instructing the display panel to vibrate in a horizontal direction, the source driver transmits the display data from the first source lines to the second source lines according to the second control signal, wherein the distribution ranges of the first source lines and the second source lines only partially overlap, and the number of the first source lines is equal to the number of the second source lines.

14. The method of operation as described in claim 12, wherein when the controller generates the second control signal indicating that the display panel vibrates in a vertical direction, the source driver transmits the start signal from a first gate drive circuit to a second gate drive circuit according to the second control signal.

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