WO-2026092871-A1 - LASER DISPLAY APPARATUS, PROJECTION DISPLAY APPARATUS AND DISPLAY CONTROL METHOD

Abstract

The present application discloses a laser display apparatus, a projection display apparatus and a display control method. In response to a signal source switch command, the signal source switch command is parsed to obtain the target signal source to be switched to, and the target signal source is switched to. When the target signal transmitted in the target signal source is a three-dimensional signal and the three-dimensional display state of the target signal source is a predefined state, the display is controlled to display a playing interface, and the three-dimensional video data rendered based on the target signal is played on the playing interface.

Inventors

• ZHANG, Jingya
• LIU, QINGQUAN
• SUN, Hualin
• BAO, Fucheng
• SONG, Zilong
• WANG, XINXIN

Assignees

• VIDAA (Netherlands) International Holdings B.V.

Dates

Publication Date

20260507

Application Date

20250630

Priority Date

20241031

Claims (20)

1. 1. A laser display apparatus, comprising: a display, configured to display content from a broadcast system or network and/or a user interface; and at least one processor, connected to the display and configured to execute instructions to cause the laser display apparatus to: in response to a signal source switch command, parse the signal source switch command to obtain a target signal source to be switched to, and switch to the target signal source; and based on that a target signal transmitted in the target signal source is a three-dimensional (3D) signal and a 3D display state of the target signal source is a predefined state, control the display to display a 3D playing interface and play 3D video data rendered based on the target signal on the 3D playing interface.
2. 2. The laser display apparatus according to claim 1, wherein the at least one processor is further configured to execute instructions to cause the laser display apparatus to: display an eye device wearing prompt on the 3D playing interface, to remind a user to wear an eye device that allows the user to view a 3D effect of the 3D video data.
3. 3. The laser display apparatus according to claim 1, wherein the at least one processor is further configured to execute instructions to cause the laser display apparatus to: in response to a switch command for the 3D display state, parse the switch command to obtain a target display state to be switched to, convert the target signal to a converted signal based on the target display state, and play 3D video data rendered based on the converted signal on the 3D playing interface.
4. 4. The laser display apparatus according to claim 1, wherein the at least one processor is further configured to execute instructions to cause the laser display apparatus to: based on that the target signal transmitted in the target signal source is a two-dimensional (2D) signal, or based on that the 3D display state is a 3D off state, or based on that the 3D display state is a 3D grayed-out state, display a 2D playing interface and play 2D video data rendered based on the target signal on the 2D playing interface.
5. 5. The laser display apparatus according to claim 3, wherein the at least one processor is further configured to execute instructions to cause the laser display apparatus to: in response to a menu viewing operation for the 3D display state, display a settings menu for the 3D display state; and in response to a trigger operation for the target display state in the settings menu, generate the switch command for the 3D display state.
6. 6. The laser display apparatus according to claim 3, wherein the 3D display state comprises an adaptive state, a 3D off state, a 3D grayed-out state, a left-right display state, and a top-bottom display state; the 3D display state matching a frame packing is the adaptive state, the 3D display state matching a side-by-side type is the left-right display state, and the 3D display state matching a top-and-bottom type is the top-bottom display state; and a default 3D display state of the target signal source is the adaptive state, and the predefined state is the adaptive state; wherein the at least one processor is further configured to execute instructions to cause the laser display apparatus to: VI 0419P-WO-0004 PCT-application - Text based on that the target display state is the left-right display state, and a signal type of the target signal is the frame packing or the top-and-bottom type, convert the signal type of the target signal to the side-by-side type; based on that the target display state is the top-bottom display state, and the signal type of the target signal is the frame packing or the side-by-side type, convert the signal type of the target signal to the top-and-bottom type; and based on that the target display state is the 3D off state, convert the signal type of the target signal to a 2D signal type.
7. 7. The laser display apparatus according to claim 1, wherein the at least one processor is further configured to execute instructions to cause the laser display apparatus to: in response to the signal source switch command, based on that a signal transmitted in a current signal source is a 3D signal and a 3D display state of the current signal source is an on state, set the 3D display state of the current signal source to a 3D off state.
8. 8. The laser display apparatus according to claim 6, wherein the at least one processor is further configured to execute instructions to cause the laser display apparatus to: determine whether the 3D display state of a current signal source is any one of an adaptive state, a left-right display state or a top-bottom display state; based on that the 3D display state of the current signal source is any one of the adaptive state, the left-right display state or the top-bottom display state, determine that the 3D display state of the current signal source is the on state.
9. 9. The laser display apparatus according to claim 6, wherein the target signal source is a high-definition multimedia interface (HDMI), a default 3D display state of the HDMI is an adaptive state, and the predefined state is an adaptive state.
10. 10. The laser display apparatus according to claim 1, wherein the at least one processor is further configured to execute instructions to cause the laser display apparatus to: based on that the 3D display state is a 3D grayed-out state, in response to a menu viewing operation for the 3D display state, display a 3D grayed-out indicator.
11. 11. The laser display apparatus according to claim 1 , further comprising: a microcontroller unit, and an optical engine; wherein the at least one processor is connected to the microcontroller unit and the optical engine, respectively; and the at least one processor is further configured to execute instructions to cause the laser display apparatus to: based on finding out that a default 3D display state of the target signal source is an adaptive state, or in response to receiving a command for setting the 3D display state of a current signal source to an on state, send a screen off command to the microcontroller unit to instruct the microcontroller unit to turn off the display; switch a screen parameter to a 3D display parameter, and send a 3D on command to the optical engine after waiting for a first predefined duration, to instruct the optical engine to enable a 3D function; and VI 0419P-WO-0004 PCT-application - Text send a screen on command to the microcontroller unit after waiting for a second predefined duration, to instruct the microcontroller unit to turn on the display.
12. 12. The laser display apparatus according to claim 11, wherein the at least one processor is further configured to execute instructions to cause the laser display apparatus to: after setting a 3D display state of the current signal source to a 3D off state, or in response to receiving a command for setting the 3D display state of the current signal source to an off state, send the screen off command to the microcontroller unit to instruct the microcontroller unit to turn off the display; switch the screen parameter to a 2D display parameter, send a blackout command to the microcontroller unit after waiting for a third predefined duration, send a 3D off command to the optical engine after waiting for a fourth predefined duration, and send a blackout cancel command to the microcontroller unit after waiting for a fifth predefined duration; and send the screen on command to the microcontroller unit after waiting for a sixth predefined duration, to instruct the microcontroller unit to turn on the display.
13. 13. A projection display apparatus, comprising: an optical engine, configured to project projection content onto a projection surface; and at least one processor, configured to execute computer instructions to cause the projection display apparatus to: in response to a signal source switch command, parse the signal source switch command to obtain a target signal source to be switched to, and switch to the target signal source; and based on that a target signal transmitted in the target signal source is a three-dimensional (3D) signal and a current 3D display state of the target signal source is a predefined state, project a playing interface onto the projection surface through the optical engine, and play 3D video data rendered based on the target signal on the playing interface.
14. 14. A display control method, applied to a display apparatus, wherein the display apparatus comprises a system-on-chip (SoC); and a user interface layer, a middleware layer, and a driver adaptation layer are run in the SoC; wherein the method comprises: the user interface layer receiving a signal source switch command, parsing the signal source switch command to obtain a target signal source to be switched to, and passing the target signal source down to the driver adaptation layer via the middleware layer; the driver adaptation layer switching to the target signal source, obtaining a signal type of the target signal transmitted in the target signal source, and querying a three-dimensional (3D) display state of the target signal source, wherein the signal type is one of a 3D signal type or a two-dimensional (2D) signal type; and uploading the signal type and the 3D display state to the middleware layer; based on that the signal type is the 3D signal type and the 3D display state is a predefined state, the middleware layer returning a 3D enable indication to the driver adaptation layer; and after receiving the 3D enable indication, the driver adaptation layer controlling the display apparatus to display a 3D playing interface and playing 3D video data rendered based on the target signal on the 3D playing interface. VI 0419P-WO-0004 PCT-application - Text
15. 15. The method according to claim 14, further comprising: based on that the signal type is the 3D signal type and the 3D display state is the predefined state, the middleware layer sending a 3D mode notification to the user interface layer; and in response to receiving the 3D mode notification, the user interface layer displaying an eye device wearing prompt on the 3D playing interface to remind a user to wear an eye device that allows the user to view a 3D effect of the 3D video data.
16. 16. The method according to claim 14, further comprising: the user interface layer receiving a switch command for the 3D display state, parsing the switch command to obtain a target display state to be switched to, and passing the target display state down to the driver adaptation layer via the middleware layer; and the driver adaptation layer converting the target signal to a converted signal based on the target display state and playing 3D video data rendered based on the converted signal on the 3D playing interface.
17. 17. The method according to claim 14, further comprising: based on that the signal type is the 2D signal type, or based on that the 3D display state is a 3D off state, or based on that the 3D display state is a 3D grayed-out state, the middleware layer returning a 2D enable indication to the driver adaptation layer; and in response to receiving the 2D enable indication, the driver adaptation layer displaying a 2D playing interface and playing 2D video data rendered based on the target signal on the 2D playing interface.
18. 18. The method according to claim 16, further comprising: the user interface layer receiving a menu viewing operation for the 3D display state and displaying a settings menu for the 3D display state; and the user interface layer receiving a trigger operation for the target display state in the settings menu and generating the switch command for the 3D display state.
19. 19. The method according to claim 16, wherein the 3D display state comprises an adaptive state, a 3D off state, a 3D grayed-out state, a left-right display state, and a top-bottom display state; the 3D display state matching a frame packing is the adaptive state, the 3D display state matching a side-by-side type is the left -right display state, and the 3D display state matching a top-and-bottom type is the top-bottom display state; and a default 3D display state of the target signal source is the adaptive state, and the predefined state is the adaptive state; wherein the driver adaptation layer converting the target signal to the converted signal based on the target display state, comprises: based on that the target display state is the left -right display state, and the signal type is the frame packing or the top-and-bottom type, converting the signal type of the target signal to the side-by-side type; based on that the target display state is the top-bottom display state, and the signal type is the frame packing or the side-by-side type, converting the signal type of the target signal to the top-and-bottom type; and based on that the target display state is the 3D off state, convert the signal type of the target signal to the 2D signal type.
20. 20. The method according to claim 14, further comprising: VI 0419P-WO-0004 PCT-application - Text after receiving the signal source switch command, the user interface layer sending a close command to the middleware layer to close a current signal source; after receiving the close command, the middleware layer determining whether a signal type of a signal transmitted in the current signal source is the 3D signal type, and whether a 3D display state of the current signal source is an on state; based on determining that the signal type of the signal transmitted in the current signal source is the 3D signal type and the 3D display state of the current signal source is the on state, the middleware layer passing the close command down to the driver adaptation layer; and after receiving the close command, the driver adaptation layer setting the 3D display state of the current signal source to a 3D off state and returning a close success message to the middleware layer.

Description

VI 0419P-WO-0004 PCT-application - Text LASER DISPLAY APPARATUS, PROJECTION DISPLAY APPARATUS AND DISPLAY CONTROL METHOD CROSS-REFERENCES TO RELATED APPLICATIONS [0001] The application claims the priority to Chinese patent application No. 202411538803.2 filed on October 31, 2024, the priority to Chinese patent application No. 202411580902.7 filed on November 7, 2024, and the priority to Chinese patent application No. 202411832594.2 filed on December 12, 2024. Technical Field [0002] The present application relates to the field of display technology, and in particular to a laser display apparatus, a projection display apparatus and a display control method. Background [0003] With the rapid development of display apparatuses, forms of display apparatuses are becoming more and more diverse, such as laser televisions (TVs), micro -projector TVs, smart TVs, smart set-top boxes, smart boxes, and devices with intelligent display screens. The three-dimensional (3D) display function of display apparatuses can present 3D visual effects and enhance the user's viewing experience. At present, there are various types of 3D signals, and how to improve the compatibility of the display apparatus with 3D signals is an urgent problem to be solved by technicians in this field. Summary [0004] Some embodiments of the present disclosure provide a laser display apparatus which can include: a display, configured to display content from a broadcast system or network and/or a user interface; and at least one processor, connected to the display and configured to execute instructions to cause the laser display apparatus to: in response to a signal source switch command, parse the signal source switch command to obtain a target signal source to be switched to, and switch to the target signal source; and based on that a target signal transmitted in the target signal source is a three-dimensional (3D) signal and a 3D display state of the target signal source is a predefined state, control the display to display a 3D playing interface and play 3D video data rendered based on the target signal on the 3D playing interface. [0005] Some embodiments of the present disclosure can provide a projection display apparatus, including: an optical engine, configured to project projection content onto a projection surface; and at least one processor, configured to execute computer instructions to cause the projection display apparatus to: in response to a signal source switch command, parse the signal source switch command to obtain a target signal source to be switched to, and switch to the target signal source; and based on that a target signal transmitted in the target signal source is a three-dimensional (3D) signal and a current 3D display state of the target signal source is a predefined state, project a playing interface onto the projection surface through the optical engine, and play 3D video data rendered based on the target signal on the playing interface. [0006] Some embodiments of the present disclosure can provide a display control method for a display apparatus, wherein the display apparatus comprises a system-on-chip (SoC); and a user interface layer, a middleware layer, and a driver adaptation layer are run in the SoC. The method comprises: the user interface layer receiving a signal source switch command, parsing the signal source switch command to obtain a target signal source to be switched to, and VI 0419P-WO-0004 PCT-application - Text passing the target signal source down to the driver adaptation layer via the middleware layer; the driver adaptation layer switching to the target signal source, obtaining a signal type of the target signal transmitted in the target signal source, and querying a three-dimensional (3D) display state of the target signal source, wherein the signal type is one of a 3D signal type or a two-dimensional (2D) signal type; and uploading the signal type and the 3D display state to the middleware layer; based on that the signal type is the 3D signal type and the 3D display state is a predefined state, the middleware layer returning a 3D enable indication to the driver adaptation layer; and after receiving the 3D enable indication, the driver adaptation layer controlling the display apparatus to display a 3D playing interface and playing 3D video data rendered based on the target signal on the 3D playing interface. [0007] Some embodiments of the present disclosure can provide a projection display apparatus, including: a light-emitting assembly, including a laser light source and is configured to project projection content onto a projection surface based on the laser light source; a heat dissipation device, including heat dissipation blades and is configured to control the rotation of the heat dissipation blades, where an operating rotational speed of the heat dissipation blades is correlated with a laser temperature of the laser light source, the operating rotational speed can include at least a first rotationa