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CN-117707447-B - Display control circuit, display control method and electronic equipment

CN117707447BCN 117707447 BCN117707447 BCN 117707447BCN-117707447-B

Abstract

The application discloses a display control circuit, a display control method and electronic equipment, and belongs to the technical field of display. The display control circuit comprises a system-level chip, a single-display chip, a first switch, a second switch, a third switch and a fourth switch, wherein the system-level chip is connected with the single-display chip and is used for carrying out first processing on content transmitted by the system-level chip, and the system-level chip is used for controlling connection states of the first switch, the second switch, the third switch and the fourth switch according to a folding state between a first sub-screen and a second sub-screen so that the first sub-screen or the second sub-screen can display content output by the single-display chip after the first processing.

Inventors

  • ZHANG BIAO
  • CAO KAI

Assignees

  • 维沃移动通信有限公司

Dates

Publication Date
20260508
Application Date
20220909

Claims (12)

  1. 1. The display control circuit is characterized by comprising a system-in-chip, a single-display chip, a first switch, a second switch, a third switch and a fourth switch; The system-level chip is connected with the single-level chip, a first interface of the single-level chip is connected with a fixed end of the first switch, a first selection end of the first switch is connected with a first sub-screen of a display screen, a second selection end of the first switch is connected with a first selection end of the second switch, a fixed end of the second switch is connected with a second sub-screen of the display screen, a second selection end of the second switch is connected with a second interface of the system-level chip, a third interface of the single-level chip is connected with a fixed end of the third switch, a first selection end of the third switch is connected with the first sub-screen, a second selection end of the third switch is connected with a first selection end of the fourth switch, a fixed end of the fourth switch is connected with the second sub-screen, and a second selection end of the fourth switch is connected with a fourth interface of the system-level chip; The system-level chip is used for controlling connection states of the first switch, the second switch, the third switch and the fourth switch according to a folding state between the first sub-screen and the second sub-screen, so that the first sub-screen or the second sub-screen displays the content which is output after the first processing is performed by the single-level chip.
  2. 2. The display control circuit of claim 1, wherein a fifth interface of the system-on-chip is connected to a sixth interface of the single-display chip; the system-in-chip is configured to control connection states of the first switch, the second switch, the third switch, and the fourth switch according to a folding state between the first sub-screen and the second sub-screen, and includes: The system-in-chip is used for controlling in a control mode that the display screen is in a first state displayed by the first sub-screen only in an unfolding state: Stopping signal transmission between the second selection end of the second switch and the second interface of the system-in-chip and stopping signal transmission between the second selection end of the fourth switch and the fourth interface of the system-in-chip when the display screen is currently in a dual-screen display state and the display screen is currently in an unfolding state, or Stopping signal transmission between the second selection end of the second switch and the second interface of the system-in-chip and stopping signal transmission between the second selection end of the fourth switch and the fourth interface of the system-in-chip when the display screen is currently in a state of being displayed by only the second sub-screen and the display screen is currently in an unfolded state, or In the case that the display screen is currently in a state of being displayed by only the second sub-screen and the display screen is converted from a folded state to an unfolded state, and in the case that signal transmission between the fixed end of the third switch and the third interface of the independent display chip is stopped and signal transmission between the fifth interface and the sixth interface connection is stopped, or a data transmission gap, the fixed end of the first switch is controlled to be communicated with a first selection end of the first switch, the fixed end of the third switch is controlled to be communicated with a first selection end of the third switch, the fixed end of the second switch is controlled to be communicated with a second selection end of the second switch, and the fixed end of the fourth switch is controlled to be communicated with a second selection end of the fourth switch; The first sub-screen is used for displaying the content output by the single-display chip after the first processing.
  3. 3. The display control circuit of claim 1, wherein a fifth interface of the system-on-chip is connected to a sixth interface of the single-display chip; The system-in-chip is used for controlling in a control mode that the display screen is in a second state displayed by the second sub-screen only in a folded state: And under the conditions that the display screen is currently in an unfolding state and the display screen is converted from the unfolding state to a folding state, and the display screen is currently in a double-screen display state, a state of only the second sub-screen display or a state of only the first sub-screen display, and under the conditions that signal transmission between a fixed end of the third switch and a third interface of the independent display chip is stopped, signal transmission between the fifth interface and the sixth interface connection is stopped, signal transmission between a second selection end of the fourth switch and a fourth interface of the system-in-chip is stopped, or a data transmission gap is formed, the fixed end of the first switch is controlled to be communicated with the second selection end of the first switch, the fixed end of the third switch is controlled to be communicated with the second selection end of the third switch, the fixed end of the second switch is controlled to be communicated with the first selection end of the second switch, and the fixed end of the fourth switch is controlled to be communicated with the first selection end of the fourth switch, wherein the second sub-display screen is used for outputting the content after the independent display chip is processed.
  4. 4. The display control circuit of claim 1, wherein a fifth interface of the system-on-chip is connected to a sixth interface of the single-display chip; The system-in-chip is used for controlling in a control mode that the display screen is in a third state displayed by the second sub-screen only in an unfolding state: Stopping signal transmission between the fixed end of the first switch and the first interface of the single display chip, stopping signal transmission between the fixed end of the third switch and the third interface of the single display chip, and stopping signal transmission between the fifth interface and the sixth interface connection under the condition that the display screen is currently in an unfolding state and the display screen is currently in a double-screen display state or in a state of displaying only the first sub-screen, or And under the condition that the display screen is in a state of displaying only the second sub-screen and the display screen is converted from a folded state to an unfolded state, and under the condition that signal transmission between the fixed end of the third switch and the third interface of the independent display chip is stopped and signal transmission between the fifth interface and the sixth interface is stopped or a data transmission gap is formed, the fixed end of the first switch is controlled to be communicated with a first selection end of the first switch, the fixed end of the third switch is controlled to be communicated with a first selection end of the third switch, the fixed end of the second switch is controlled to be communicated with a second selection end of the second switch, and the fixed end of the fourth switch is controlled to be communicated with a second selection end of the fourth switch, wherein the independent display chip is used for transmitting content output after the first processing to the system-in chip, the system-in chip is used for performing second processing on the content output after the first processing on the independent display chip, and the second sub-screen is used for performing second processing on the content after the second processing on the system-in the display chip.
  5. 5. The display control circuit of claim 1, wherein a fifth interface of the system-on-chip is connected to a sixth interface of the single-display chip; the system-in-chip is used for controlling in the following control mode, so that the display screen is in a fourth state of double-screen display in an unfolding state: Stopping signal transmission between the second selection end of the second switch and the second interface of the system-in-chip and stopping signal transmission between the second selection end of the fourth switch and the fourth interface of the system-in-chip when the display screen is currently in a dual-screen display state and the display screen is currently in an unfolding state, or Stopping signal transmission between the fixed end of the first switch and the first interface of the single display chip, stopping signal transmission between the fixed end of the third switch and the third interface of the single display chip, and stopping signal transmission between the fifth interface and the sixth interface connection when the display screen is in a state of being displayed by only the first sub-screen and the display screen is in an unfolded state currently, or And under the condition that the display screen is in a state of displaying only the second sub-screen and the display screen is converted from a folded state to an unfolded state, and under the condition that signal transmission between the fixed end of the third switch and the third interface of the independent display chip is stopped and signal transmission between the fifth interface and the sixth interface is stopped or a data transmission gap is formed, the fixed end of the first switch is controlled to be communicated with a first selection end of the first switch, the fixed end of the third switch is controlled to be communicated with a first selection end of the third switch, the fixed end of the second switch is controlled to be communicated with a second selection end of the second switch, and the fixed end of the fourth switch is controlled to be communicated with a second selection end of the fourth switch, wherein the first sub-screen is used for displaying content output by the independent display chip after the first processing, and the second sub-screen is used for displaying content output by the system-level chip through a fourth interface of the system-level chip.
  6. 6. A display control method applied to the system-on-chip in the display control circuit according to any one of claims 1 to 5, the method comprising: and controlling the connection states of the first switch, the second switch, the third switch and the fourth switch according to the folding state between the first sub-screen and the second sub-screen so that the first sub-screen or the second sub-screen displays the content output by the single-display chip after the first processing.
  7. 7. The method of claim 6, wherein a fifth interface of the system-on-chip is connected to a sixth interface of the single-display chip; The controlling the connection states of the first switch, the second switch, the third switch and the fourth switch according to the folding state between the first sub-screen and the second sub-screen includes: The display screen is controlled in the following control mode so as to enter a first state in which only the first sub-screen is displayed in an unfolding state: Stopping signal transmission between the second selection end of the second switch and the second interface of the system-in-chip and stopping signal transmission between the second selection end of the fourth switch and the fourth interface of the system-in-chip when the display screen is currently in a dual-screen display state and the display screen is currently in an unfolding state, or Stopping signal transmission between the second selection end of the second switch and the second interface of the system-in-chip and stopping signal transmission between the second selection end of the fourth switch and the fourth interface of the system-in-chip when the display screen is currently in a state of being displayed by only the second sub-screen and the display screen is currently in an unfolded state, or In the case that the display screen is currently in a state of being displayed by only the second sub-screen and the display screen is converted from a folded state to an unfolded state, and in the case that signal transmission between the fixed end of the third switch and the third interface of the independent display chip is stopped and signal transmission between the fifth interface and the sixth interface connection is stopped, or a data transmission gap, the fixed end of the first switch is controlled to be communicated with a first selection end of the first switch, the fixed end of the third switch is controlled to be communicated with a first selection end of the third switch, the fixed end of the second switch is controlled to be communicated with a second selection end of the second switch, and the fixed end of the fourth switch is controlled to be communicated with a second selection end of the fourth switch; The first sub-screen is used for displaying the content output by the single-display chip after the first processing.
  8. 8. The method of claim 6, wherein a fifth interface of the system-on-chip is connected to a sixth interface of the single-display chip; The controlling the connection states of the first switch, the second switch, the third switch and the fourth switch according to the folding state between the first sub-screen and the second sub-screen includes: The display screen is controlled in a second state of displaying only the second sub-screen in a folded state by the following control mode: And under the conditions that the display screen is currently in an unfolding state and the display screen is converted from the unfolding state to a folding state, and the display screen is currently in a double-screen display state, a state of only the second sub-screen display or a state of only the first sub-screen display, and under the conditions that signal transmission between a fixed end of the third switch and a third interface of the independent display chip is stopped, signal transmission between the fifth interface and the sixth interface connection is stopped, signal transmission between a second selection end of the fourth switch and a fourth interface of the system-in-chip is stopped, or a data transmission gap is formed, the fixed end of the first switch is controlled to be communicated with the second selection end of the first switch, the fixed end of the third switch is controlled to be communicated with the second selection end of the third switch, the fixed end of the second switch is controlled to be communicated with the first selection end of the second switch, and the fixed end of the fourth switch is controlled to be communicated with the first selection end of the fourth switch, wherein the second sub-display screen is used for outputting the content after the independent display chip is processed.
  9. 9. The method of claim 6, wherein a fifth interface of the system-on-chip is connected to a sixth interface of the single-display chip; The controlling the connection states of the first switch, the second switch, the third switch and the fourth switch according to the folding state between the first sub-screen and the second sub-screen includes: The display screen is controlled in a third state of displaying only the second sub-screen in the unfolded state by the following control mode: Stopping signal transmission between the fixed end of the first switch and the first interface of the single display chip, stopping signal transmission between the fixed end of the third switch and the third interface of the single display chip, and stopping signal transmission between the fifth interface and the sixth interface connection under the condition that the display screen is currently in an unfolding state and the display screen is currently in a double-screen display state or in a state of displaying only the first sub-screen, or And under the condition that the display screen is in a state of displaying only the second sub-screen and the display screen is converted from a folded state to an unfolded state, and under the condition that signal transmission between the fixed end of the third switch and the third interface of the independent display chip is stopped and signal transmission between the fifth interface and the sixth interface is stopped or a data transmission gap is formed, the fixed end of the first switch is controlled to be communicated with a first selection end of the first switch, the fixed end of the third switch is controlled to be communicated with a first selection end of the third switch, the fixed end of the second switch is controlled to be communicated with a second selection end of the second switch, and the fixed end of the fourth switch is controlled to be communicated with a second selection end of the fourth switch, wherein the independent display chip is used for transmitting content output after the first processing to the system-in chip, the system-in chip is used for performing second processing on the content output after the first processing on the independent display chip, and the second sub-screen is used for performing second processing on the content after the second processing on the system-in the display chip.
  10. 10. The method of claim 6, wherein a fifth interface of the system-on-chip is connected to a sixth interface of the single-display chip; The controlling the connection states of the first switch, the second switch, the third switch and the fourth switch according to the folding state between the first sub-screen and the second sub-screen includes: The control is performed in the following control mode, so that the display screen is in a fourth state of double-screen display in the unfolded state: Stopping signal transmission between the second selection end of the second switch and the second interface of the system-in-chip and stopping signal transmission between the second selection end of the fourth switch and the fourth interface of the system-in-chip when the display screen is currently in a dual-screen display state and the display screen is currently in an unfolding state, or Stopping signal transmission between the fixed end of the first switch and the first interface of the single display chip, stopping signal transmission between the fixed end of the third switch and the third interface of the single display chip, and stopping signal transmission between the fifth interface and the sixth interface connection when the display screen is in a state of being displayed by only the first sub-screen and the display screen is in an unfolded state currently, or And under the condition that the display screen is in a state of displaying only the second sub-screen and the display screen is converted from a folded state to an unfolded state, and under the condition that signal transmission between the fixed end of the third switch and the third interface of the independent display chip is stopped and signal transmission between the fifth interface and the sixth interface is stopped or a data transmission gap is formed, the fixed end of the first switch is controlled to be communicated with a first selection end of the first switch, the fixed end of the third switch is controlled to be communicated with a first selection end of the third switch, the fixed end of the second switch is controlled to be communicated with a second selection end of the second switch, and the fixed end of the fourth switch is controlled to be communicated with a second selection end of the fourth switch, wherein the first sub-screen is used for displaying content output by the independent display chip after the first processing, and the second sub-screen is used for displaying content output by the system-level chip through a fourth interface of the system-level chip.
  11. 11. An electronic device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the method of any of claims 6-10.
  12. 12. A readable storage medium, characterized in that it stores thereon a program or instructions, which when executed by a processor, implement the steps of the method according to any of claims 6-10.

Description

Display control circuit, display control method and electronic equipment Technical Field The application belongs to the technical field of display, and particularly relates to a display control circuit, a display control method and electronic equipment. Background Currently, a System on Chip (SoC) mostly only supports 2 paths of display serial interfaces (DISPALY SERIAL INTERFACE, DSI), for example, DSI0 and DSI1, and for example, a folding screen is taken as an example, a primary screen and a secondary screen occupy 1 path of DSI interfaces respectively for transmitting display screen data. When the folding screen is closed, only the auxiliary screen is used for displaying, the DSI1 is used for transmitting data, when the folding screen is unfolded, if the double-screen simultaneous display is needed, the DSI0 and the DSI1 are both used for transmitting data, and if only the single-screen display is used, the corresponding DSI interface is started. However, the display screen displays data output by the SoC, which is liable to cause poor display effect. Disclosure of Invention The embodiment of the application aims to provide a display control circuit, a display control method and electronic equipment, which can solve the problem of poor display effect in the prior art. In a first aspect, an embodiment of the present application provides a display control circuit, including a system-in-chip, a single-display chip, a first switch, a second switch, a third switch, and a fourth switch; The system-level chip is connected with the single-level chip, a first interface of the single-level chip is connected with a fixed end of the first switch, a first selection end of the first switch is connected with a first sub-screen of a display screen, a second selection end of the first switch is connected with a first selection end of the second switch, a fixed end of the second switch is connected with a second sub-screen of the display screen, a second selection end of the second switch is connected with a second interface of the system-level chip, a third interface of the single-level chip is connected with a fixed end of the third switch, a first selection end of the third switch is connected with the first sub-screen, a second selection end of the third switch is connected with a first selection end of the fourth switch, a fixed end of the fourth switch is connected with the second sub-screen, and a second selection end of the fourth switch is connected with a fourth interface of the system-level chip; The system-level chip is used for controlling connection states of the first switch, the second switch, the third switch and the fourth switch according to a folding state between the first sub-screen and the second sub-screen, so that the first sub-screen or the second sub-screen displays the content which is output after the first processing is performed by the single-level chip. In a second aspect, an embodiment of the present application provides a display control method applied to the system-on-chip in the display control circuit provided in the first aspect, where the method includes: and controlling the connection states of the first switch, the second switch, the third switch and the fourth switch according to the folding state between the first sub-screen and the second sub-screen so that the first sub-screen or the second sub-screen displays the content output by the single-display chip after the first processing. In a third aspect, an embodiment of the present application provides an electronic device comprising a processor and a memory storing a program or instructions executable on the processor, which when executed by the processor, implement the steps of the method as described in the second aspect. In a fourth aspect, embodiments of the present application provide a readable storage medium having stored thereon a program or instructions which when executed by a processor perform the steps of the method according to the second aspect. In a fifth aspect, embodiments of the present application provide a computer program product stored in a storage medium, the program product being executable by at least one processor to implement the method according to the second aspect. In the display control circuit, a single-display chip is arranged, the content transmitted by the system-level chip can be subjected to first processing, the system-level chip can control the connection states of the first switch, the second switch, the third switch and the fourth switch according to the folding state between the first sub-screen and the second sub-screen, the sub-screen can be selected from the first sub-screen and the second sub-screen according to the connection states of the first switch, the second switch, the third switch and the fourth switch, the content output after the single-display chip is subjected to first processing is displayed, and the content output after the single-display chip is subjected to first pro