Display device and display system

TWI934406BActive Publication Date: 2026-08-01HON HAI PRECISION INDUSTRY CO LTD
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Patent Information

Authority / Receiving Office
TW · TW
Patent Type
Patents
Current Assignee / Owner
HON HAI PRECISION INDUSTRY CO LTD
Filing Date
2024-12-31
Publication Date
2026-08-01

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    Figure TWG2TB001903747_001
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    Figure TWG2TB001903747_002
  • Figure TWG2TB001903747_003
    Figure TWG2TB001903747_003
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Abstract

A display device and a display system are disclosed. The display device includes a first interface, a second interface, a first display module, a second display module, and a signal transmission module. The first display module is used to display a first image based on a first display signal, or to display a second image based on a second display signal. The second display module is used to display the first image based on the first display signal, or to display the second image based on the second display signal. The signal transmission module is used to transmit the first display signal to the first display module and / or the second display module; or, to transmit the second display signal to the second display module and / or the first display module.
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Claims

1. A display device, wherein the display device comprises: The first interface is used to receive the first display signal; The second interface is used to receive the second display signal; A first display module is used to display a first image based on the first display signal, or to display a second image based on the second display signal; a second display module is used to display the first image based on the first display signal, or to display the second image based on the second display signal; a signal transmission module is electrically connected to the first interface, the second interface, the first display module, and the second display module respectively; the signal transmission module is used to transmit the first display signal to the first display module or the second display module based on a received first display control signal; or, based on a received second display control signal, to transmit the second display signal to the second display module or the first display module; or, the signal transmission module is further used to transmit the first display signal to the first display module and the second display module based on a received third display control signal; or, the signal transmission module is used to transmit the second display signal to the second display module and the first display module based on a received fourth display control signal; the signal transmission module includes a first switch circuit, a second switch circuit, and a third switch circuit; The first terminal of the first switching circuit is electrically connected to the first interface, the second terminal of the first switching circuit is electrically connected to the first display module, the third terminal of the first switching circuit is electrically connected to the first terminal of the third switching circuit, and the fourth terminal of the first switching circuit is used to receive a first control signal; the first control signal is used to control the first and second terminals of the first switching circuit to be connected, or to control the first and third terminals of the first switching circuit to be connected. The first terminal of the second switching circuit is electrically connected to the second interface, the second terminal of the second switching circuit is electrically connected to the first display module, the third terminal of the second switching circuit is electrically connected to the second display module, and the fourth terminal of the second switching circuit is used to receive a second control signal; the second control signal is used to control the first and second terminals of the second switching circuit to be connected, or to control the first and third terminals of the second switching circuit to be connected. The second terminal of the third switching circuit is electrically connected to the first display module, the third terminal of the third switching circuit is electrically connected to the second display module, and the fourth terminal of the third switching circuit is used to receive a third control signal. The third control signal is used to control the first and third terminals of the third switching circuit to be connected, or to control the second and third terminals of the third switching circuit to be connected. The first display module is also used to transmit the first display signal or the second display signal to the third switching circuit.

2. The display device as claimed in claim 1, wherein the third switching circuit is further configured to transmit the first display signal or the second display signal to the second display module when the second and third terminals of the third switching circuit are connected.

3. The display device as claimed in claim 1, wherein the first interface is used to connect to a first input device, and the second interface is used to connect to a second input device; the display device further includes a control module, the control module being electrically connected to the first interface and the second interface respectively; the control module is used to receive a first display instruction from the first input device and / or a second display instruction from the second input device, and to output a first display control signal, a second display control signal, a third display control signal, or a fourth display control signal based on the first display instruction and / or the second display instruction.

4. The display device as claimed in claim 3, wherein the control module is further configured to control the first display module and the second display module to display the first screen as a whole based on the first display instruction and / or the second display instruction; and to control the first display module and the second display module to display the second screen as a whole based on the first display instruction and / or the second display instruction.

5. The display device as claimed in claim 1, wherein the signal transmission module includes a fourth switch circuit, a fifth switch circuit, a sixth switch circuit, and a seventh switch circuit; a first terminal of the fourth switch circuit is electrically connected to the first interface, a second terminal of the fourth switch circuit is electrically connected to the first terminal of the sixth switch circuit, a third terminal of the fourth switch circuit is electrically connected to the first terminal of the seventh switch circuit, and a fourth terminal of the fourth switch circuit is used to receive a fourth control signal; the fourth control signal is used to control the first and second terminals of the fourth switch circuit to be connected, or to control the first and third terminals of the fourth switch circuit to be connected; a first terminal of the fifth switch circuit is electrically connected to the second interface, a second terminal of the fifth switch circuit is electrically connected to the second terminal of the sixth switch circuit, a third terminal of the fifth switch circuit is electrically connected to the second terminal of the seventh switch circuit, and a fourth terminal of the fifth switch circuit is used to receive a fifth control signal; the fifth control signal is used to control the first and second terminals of the fifth switch circuit to be connected, or to control the first and third terminals of the fourth switch circuit to be connected; The third terminal of the sixth switch circuit is electrically connected to the first display module, and the fourth terminal of the sixth switch circuit is used to receive a sixth control signal; the sixth control signal is used to control the first and third terminals of the sixth switch circuit to be connected, or to control the second and third terminals of the sixth switch circuit to be connected; the third terminal of the seventh switch circuit is electrically connected to the second display module, and the fourth terminal of the seventh switch circuit is used to receive a seventh control signal; the seventh control signal is used to control the first and third terminals of the seventh switch circuit to be connected, or to control the second and third terminals of the seventh switch circuit to be connected.

6. The display device as claimed in claim 1, wherein the first display module includes a first control circuit and a first display screen; the first control circuit is configured to control the first display screen to display the first image based on the first display signal, or to control the first display screen to display the second image based on the second display signal; the second display module includes a second control circuit and a second display screen; the second control circuit is configured to control the second display screen to display the first image based on the first display signal, or to control the second display screen to display the second image based on the second display signal.

7. The display device as claimed in claim 6, wherein the first display screen and the second display screen are connected, and the first display screen is rotatable relative to the second display screen, with a rotation angle range of 60° to 300°.

8. The display device as claimed in claim 1, wherein the display device further comprises a power supply circuit electrically connected to the first interface and the second interface respectively; the first interface is further configured to receive a first power supply voltage; the power supply circuit is configured to transmit the first power supply voltage to the second interface; or, the second interface is further configured to receive a second power supply voltage; the power supply circuit is further configured to transmit the second power supply voltage to the first interface.

9. A display system, wherein the display system includes a first input device, a second input device, and a display device as described in any one of claims 1 to 8; the first input device is configured to control the display device to display a first screen; and the second input device is configured to control the display device to display a second screen.