TW202038080A - Computer system, display apparatus, and method for operating an on-screen-display interface thereof - Google Patents

Abstract

A display apparatus electrically connected to a host is provided. The display apparatus includes a display module and a display controller. The display controller is configured to receive, from a host, an image signal and a specific operation signal of a peripheral of the host. The display controller controls an on-screen-display (OSD) interface of the display apparatus according to the specific operation signal, and covers the OSD interface on the image signal to generate an output image. The display controller displays the output image on the display module.

Description

Computer system, display device and operation method of display interface on screen

The present invention relates to a display device, in particular to a computer system, a display device, and a method for operating a display interface on a screen.

Currently, most display devices (such as televisions or computer screens) on the market have an on-screen display function. The function displayed on the screen can, for example, display the options for adjusting the image quality on the display device and overlay them on other screens for the user to adjust in real time. In traditional display devices, users can call up the screen of OSD options through physical buttons, such as adjusting brightness, contrast, color, and color temperature. However, when users want to use the OSD function in the traditional display device, they can often only operate the OSD menu through the physical buttons on the traditional display device, but this operation method is not intuitive and difficult to use.

In view of this, the present invention provides a computer system, a display device and an operating method for displaying menus on the screen to solve the above-mentioned problems of the conventional display device.

The present invention provides a display device for electrically connecting to a host. The display device includes: a display module and a display controller. The display controller is used for receiving an image signal from the host and a specific operation signal of a peripheral device of the host. The display controller controls an on-screen display interface of one of the display devices according to a specific operation signal, and overlays the on-screen display interface with the image signal to generate an output image. Display the controller and play the output image on the display module.

The present invention further provides a computer system, including: a host and a display device. The host is used to execute an application program to generate an image signal, and execute an on-screen display menu control program to detect a specific operation signal of a peripheral device of the host. The display device is electrically connected to the host, and the display device includes: a display module and a display controller. The display controller is used for receiving the image signal and the specific operation signal from the host, and controlling the on-screen display interface of the display device according to the specific operation signal. The display controller overlays the image signal on the display interface on the screen to generate an output image, and plays the output image on the display module.

The present invention further provides an operating method of an on-screen display interface, which is used in a display device, wherein the display device includes a display module and a display controller. The method includes: using the display controller to receive an image signal from a host and a specific operation signal of a peripheral device of the host; using the display controller to control a display on a screen of the display device according to the specific operation signal And overlay the display interface on the screen with the image signal to generate an output image; and use the display controller to play the output image on the display module.

In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, a preferred embodiment is specifically cited below in conjunction with the accompanying drawings and described in detail as follows.

Figure 1 is a block diagram of a computer system according to an embodiment of the invention. The computer system 10 may be, for example, a personal computer or a server equipped with a display device. As shown in FIG. 1, the computer system 10 includes a host 100 and a display device 200, wherein the host 100 is signally connected to the display device 200. The host 100 includes, for example, a processing unit 110, a graphics processing unit 120, a memory unit 130, a storage device 140, one or more transmission interfaces 150, and one or more peripheral devices 160. The processing unit 110, the graphics processing unit 120, the memory unit 130, the storage device 140, the transmission interface 150, and the peripheral device 160 are coupled to each other through the system bus 111. The processing unit 110 may be, for example, a central processing unit (CPU), a general-purpose processor, etc., but the present invention is not limited thereto. The graphics processing unit 120 can be, for example, a graphics processing unit on a display card or a graphics processing unit integrated into the processor 110.

The memory unit 130 is a random access memory, such as dynamic random access memory (DRAM) or static random access memory (SRAM), but the invention is not limited thereto. The storage device 140 is a non-volatile memory, such as a hard disk drive, a solid-state disk, or a flash memory. , Or a read-only memory, but the invention is not limited to this.

The transmission interface 150 may include a wired transmission interface and/or a wireless transmission interface, where the wired transmission interface may include: High Definition Multimedia Interface (HDMI), DisplayPort (DP) interface, embedded display port ( embedded DisplayPort (eDP), Universal Serial Bus (USB) interface, USB Type-C interface, Thunderbolt interface, Digital Video Interface (DVI), Video Graphics Array (VGA) interface, general purpose Input and output (GPIO) interface, universal asynchronous transceiver (UART) interface, serial peripheral interface (SPI) interface, integrated circuit bus (I2C) interface, or a combination thereof, and the wireless transmission interface can include: Bluetooth ( Bluetooth), WiFi, Near Field Communication (NFC) interfaces, etc., but the present invention is not limited thereto. The peripheral device 160 includes, for example, input devices such as a keyboard, a mouse, and a touch pad, but the present invention is not limited thereto.

For example, the storage device 140 can store one or more application programs 141, an operating system 142 (for example, Windows, Linux, MacOS, etc.), and an on-screen display (OSD) menu control program 143, and the processing unit 110 is to read one or more application programs 141, operating system 142, and on-screen display menu control program 143 to the memory unit 130 and execute them. The on-screen display menu control program 143 is used to allow the user to control the on-screen display menu of the display device 200 through the peripheral device 160 of the host 100. The details will be described later. The graphics processing unit 120 may, for example, perform drawing processing of the application program executed by the processing unit 110 to generate an image signal including one or more images, and transmit the image through one of the transmission interfaces 150 (for example, an HDMI interface or a DisplayPort interface) The signal is transmitted to the display device 200.

The display device 200 can be, for example, a flat-panel display, a TV, a projector, a computer screen, etc., but the invention is not limited thereto. The display device 200 includes a display controller 210, a display module 220, a storage unit 230, an image buffer 240, one or more transmission interfaces 250, and an input interface 260. The transmission interface 250 may include a wired transmission interface and/or a wireless transmission interface, where the wired transmission interface may include: High Definition Multimedia Interface (HDMI), DisplayPort (DP) interface, embedded display port ( embedded DisplayPort (eDP), Universal Serial Bus (USB) interface, USB Type-C interface, Thunderbolt interface, Digital Video Interface (DVI), Video Graphics Array (VGA) interface, general purpose Input and output (GPIO) interface, universal asynchronous transceiver (UART) interface, serial peripheral interface (SPI) interface, integrated circuit bus (I2C) interface, or a combination thereof, and the wireless transmission interface can include: Bluetooth ( Bluetooth), WiFi, Near Field Communication (NFC) interfaces, etc., but the present invention is not limited thereto.

The display controller 210 can be, for example, an application-specific integrated circuit, a system-on-chip, a processor, or a microcontroller, but the invention is not limited thereto.

The display module 220 can be, for example, a liquid crystal panel, a light-emitting diode panel, an organic light-emitting diode panel, and a cathode ray tube (cathode ray tube). tube), electronic ink (E-Ink) display module, electroluminescent display module, plasma (Plasma) display module, projection (projection) display module, quantum dot (Quantum Dot) display module But the present invention is not limited to this.

The storage unit 230 may be, for example, a non-volatile memory, such as a read-only memory (ROM), an erasable programmable read-only memory (EPROM), or an electronically erasable programmable read-only memory (EEPROM). The storage unit 230 is used to store the firmware 231 related to the display device 200. The storage unit 230 may be external to the display controller 210 or may be integrated into the display controller 210, for example.

The firmware 231 includes, for example, the display settings of the on-screen display interface of the display device 200 and the extended display identification data (EDID), display settings, and one or more on-screen-display ( OSD) interface) 233. The extended display capability identification data includes, for example, the manufacturer of the display device 200, the product name, the resolution, the number of display frames per second, and so on. The display settings include, for example, the brightness, contrast, sharpness, and color temperature of the display device 200. The firmware 232 is used for the peripheral device 160 of the host 100 to control the on-screen display interface 233 of the display device 200.

In one embodiment, the display controller 210 can read the firmware 231-232 and the OSD interface 233 code stored in the storage unit 230 through a bus (for example, an I2C bus), and set related Display parameters. In addition, the display controller 210 can also transmit the extended display capability identification data of the display device 200 to the host 100 through one of the transmission interfaces 250 (for example, an image transmission channel or a data transmission channel), for use in the host 100. The processing unit 110 and the graphics processing unit 120 set the resolution of the image signal to be output and the related synchronization signal. The on-screen display interface 233 includes, for example, an OSD menu and options, an information dashboard, a timer, a counter, a crosshair, a specific symbol, a specific color, a specific text, or a combination thereof, but The present invention is not limited to this.

The image buffer 240 can be, for example, a volatile memory (such as dynamic random access memory) or a non-volatile memory (such as flash memory), which is used to store the data to be played on the display module 220 Output images, where the host 100 or the display controller 210 can cover one of the image signals stored in the image buffer 240 with one or more on-screen display interfaces 233 according to an on-screen display enable signal generated by the host 100 Area to produce the output image.

The input interface 260 is used to control the menu displayed on the screen of the display device 200. The input interface 260 can be implemented by, for example, a five-way joystick 262 or five physical buttons 261 to implement commands such as up, down, left, right, and confirmation. For ease of description, the five-way control lever 262 is used for description in the following embodiments.

In one embodiment, when the user operates the five-way control lever 262 in one of the directions (or presses one of the physical buttons 261, the display controller 210 can read the firmware 232 from the storage unit 230 and the screen The program code of the menu and related options is displayed on the screen of the display interface 233, and the menu and related options are displayed on the display module 220. In one embodiment, the user can operate on the input interface 260 to control Display menus on the screen of the display device 200 to adjust the brightness, contrast, sharpness, color temperature of the display module 220, or to turn on or off other interfaces in the on-screen display interface 233. In another embodiment, the user can use The peripheral device 160 of the host 100 operates to control the on-screen display menu of the display device 200, thereby adjusting the brightness, contrast, sharpness, color temperature of the display module 220, or turning on or off other interfaces in the on-screen display interface 233. The details will be detailed later.

For example, the firmware 231 can be regarded as the default firmware of the display device 200, and the user can control the options of the on-screen display interface 233 displayed by the display device 200 through the five-way joystick 262 (or the physical button 261) set up. If the firmware 231 detects an on-screen display enable signal sent by the host 100, the display controller 210 will read the firmware 232 to perform subsequent operations on the on-screen display interface, for example, through the peripheral of the host 100 The device 160 operates the display interface 233 on the screen of the display device 200.

In one embodiment, the display controller 210 includes an image scaler 211 and a timing controller 212. The display controller 210 receives the image signal from the host 100 and/or the image signal from other hosts through one of the transmission interfaces 250, and the image scaler 211 can perform image scaling processing on the image in the received image signal And/or the image is superimposed to meet the resolution of the display module 220, and the image after the image scaling process (for example, called the output image) is stored in the image buffer 240. The timing controller 212 controls the display module 220 to read and output images from the image buffer 240 and play them.

In another embodiment, the display controller 210 may include the timing controller 212, and the resolution of the image signal from the host 100 matches the resolution of the display module 220, so the display controller 210 receives the image from the host 100 After the signal is received, the image signal can be stored in the image buffer 240 without undergoing image scaling processing. The timing controller 220 can read the output image from the image buffer 240 and control the display module 220 to play the output image.

2A and 2B are schematic diagrams of the connection mode of the host and the display device of the computer system according to an embodiment of the invention.

In this embodiment, as shown in FIG. 2A, the image signal generated by the graphics processing unit 120 of the host 100 passes through the transmission interface 150A (for example, an HDMI interface) of the host 100 and the corresponding transmission interface 250A of the display device 200 ( For example, the HDMI interface) is transmitted to the display controller 210 of the display device 200. Among them, the transmission channel between the transmission interface 150A and the transmission interface 250A may be called an image transmission channel, for example.

In addition, the processing unit 110 in the host 100 can detect a specific event on the host 100 and accordingly generate an OSD enable signal (OSD enable signal). For example, the aforementioned specific event may be, for example, a specific input signal received by one of the peripheral devices 160 of the host 100, such as a specific key or key combination input via a keyboard. In addition, the host 100 can transmit the on-screen display enable signal to the display device 200 through the transmission interface 150B (for example, a USB interface) of the host 100 and the corresponding transmission interface 250B (for example, a USB interface) of the display device 200. Among them, the transmission channel between the transmission interface 150B and the transmission interface 250B may be referred to as a data transmission channel or a control signal transmission channel, for example.

In other embodiments, as shown in FIG. 2B, the image signal generated by the graphics processing unit 120 of the host 100 is transmitted through the transmission interface 150C (for example, a USB Type-C interface) of the host 100 and the corresponding transmission of the display device 200 The interface 250C (for example, a USB Type-C interface) is transmitted to the display controller 210 of the display device 200. In addition, the processing unit 110 in the host 100 can detect a specific event on the host 100 and accordingly generate an OSD enable signal (OSD enable signal). For example, the aforementioned specific event may be, for example, a specific input signal received by one of the peripheral devices 160 of the host 100, such as a specific key or key combination input via a keyboard. It should be noted that, because the USB Type-C communication protocol can support video and audio transmission (such as supporting DisplayPort or HDMI), it also provides high-speed (Hi-Speed) and super-speed (SuperSpeed) data transmission functions, meaning that it can be combined with images Transmission channel and data transmission channel. Therefore, the host 100 can also transmit the display enable signal on the screen through the transmission interface 150C (for example, a USB Type-C interface) of the host 100 and the corresponding transmission interface 250C (for example, a USB Type-C interface) of the display device 200 To the display device 200.

For ease of description, the following embodiments are based on the configuration in Figure 2A, but the configuration in Figure 2B can also be implemented in a similar manner. The user can press a specific key combination (for example, CTRL+ALT+G, not limited) on the keyboard to activate the OSD menu control mode of the host 100, wherein the above OSD menu control mode can be controlled by the peripheral device 160 of the host 100 The OSD menu is displayed on the screen of the device 200. The details of the OSD menu control mode will be detailed later.

FIG. 3A is a schematic diagram of an on-screen display interface according to an embodiment of the invention. FIG. 3B is a schematic diagram of the cursor operation of the peripheral device according to an embodiment of the present invention. FIG. 3C is a schematic diagram of the setting menu of the on-screen display interface according to an embodiment of the present invention. Figure 3D is a schematic diagram of a five-way key operation interface according to an embodiment of the present invention.

In the first embodiment, when the user presses a specific key combination (for example, CTRL+ALT+G, not limited) on the keyboard to activate the OSD menu control mode of the host 100, the host 100 transmits the corresponding One of the OSD menu control modes displays an enabling signal to the display device 200 on the screen. Therefore, the display controller 210 can determine that the host 100 has entered the OSD menu control mode, and the storage unit 230 reads the firmware 232 and the OSD interface 233 corresponding to the OSD menu control mode. For example, in response to the display controller 210 receiving the on-screen display enable signal corresponding to the OSD menu control mode from the host 100, the display controller 210 can display the read OSD interface 233 on the display module 220, The aforementioned OSD interface 233 is, for example, a five-way key control menu, as shown in FIG. 3A.

In Figure 3A, the box 310 represents Exit, the box 320 represents Setting, the box 330 represents the information display interface (Dashboard), the box 340 represents Power off, and the box 350 represents the game auxiliary function (Game Assist), where the boxes 310-350 correspond to the operations of confirm, up, left, down, and right in the five-way key respectively. In this embodiment, when the on-screen display menu control program 143 executed by the host 100 enters the OSD menu control mode, the processing unit 110 can detect the peripheral device 160 (for example, a mouse, trackball, touchpad) The current position of the cursor (cursor), and the current position of the detected cursor as the origin, as shown in Figure 3B, the coordinates (X, Y) = (0, 0).

When the user manipulates the peripheral device 160 to move the cursor, the processing unit 110 can detect the movement vector MV of the cursor, and calculate the movement vectors MV_X and MV_Y of the cursor on the X axis and the Y axis, respectively. The processing unit 110 selects the larger absolute value of the X-axis movement vector MV_X and the Y-axis movement vector MV_Y as a reference, and based on the direction of the selected X-axis or Y-axis movement vector (for example, positive or Negative direction) to determine the up, down, left, or right command in the five-way key represented by the cursor of the peripheral device 160. For example, if the absolute value of the movement vector MV_X of the X-axis is greater than the absolute value of the Y-axis MV_Y, and the movement vector MV_X of the X-axis is in the negative direction of the X-axis, the processing unit 110 will determine whether the movement vector of the cursor indicates Operate to the left. Operations in other directions can also be judged in a similar way. In addition, when the user presses a specific physical button (such as the left mouse button) on the peripheral device 160, the processing unit 110 determines that the peripheral device 160 is inputting the confirmation key in the middle of the five-way key.

When the processing unit 110 determines the five-way key operation performed by the peripheral device 160, the processing unit 110 converts the above-mentioned five-way key operation into a special command that can be recognized by the firmware 232 of the display device 200, wherein the five-way key There are corresponding special instructions for the 5 different operations. Then, the processing unit 110 transmits the special command of the five-way key to the display device 200 through the data transmission channel, and the display controller 210 can select or execute the corresponding option in the OSD interface 233 according to the special command from the host 100. In detail, when the user uses a special key combination on the keyboard of the host 100 to open the display menu on the screen of the display device 200, the default option will be located in the box 310 in FIG. 3A. The user can move the selected option through the peripheral device 160 of the host 100 (for example, it will be displayed in highlight or inverted white), and then press the physical button on the peripheral device 160 to execute the selected option. If the currently selected option is the block 320, the display controller 210 displays the setting menu in the OSD interface 233 on the display module 220, as shown in FIG. 3C.

In the setting menu shown in Figure 3C, the user can use the up or down operation of the five-way key to select different settings in the same level or adjust the setting value, and use the five-way key to confirm the operation Enter the sub-menu of the selected option or confirm the selected setting, and use the leftward operation of the five-way key to exit the sub-menu or setting menu. It should be noted that the setting menu in Figure 3C is for illustration, and the present invention is not limited to the above setting menu or the arrangement of the options.

In the second embodiment, when the user presses a specific key combination (for example, CTRL+ALT+G, not limited) on the keyboard to activate the OSD menu control mode of the host 100, the host 100 transmits the corresponding One of the OSD menu control modes displays the enable signal to the display device 200 on the screen, and the processing unit 110 (or the graphics processing unit 120) displays a five-way key operation interface 360 on the screen of the host 100, as shown in FIG. 3D , The five-way key operation interface 360 includes buttons 361-365 corresponding to the operations of confirm, up, left, down, and right respectively.

Then, the display controller 210 can determine that the host 100 has entered the OSD menu control mode, and the storage unit 230 reads the firmware 232 and the OSD interface 233 corresponding to the OSD menu control mode, as shown in FIG. 3A. In Figure 3A, the box 310 represents Exit, the box 320 represents Setting, the box 330 represents the information display interface (Dashboard), the box 340 represents Power off, and the box 350 represents the game auxiliary function (Game Assist), where the boxes 310-350 correspond to the confirm, up, left, down, and right operation buttons in the five-way key operation interface 360, respectively.

The five-way key operation interface 360 includes five software buttons of the five-way key. For example, buttons 361-365 correspond to the operations of confirm, up, left, down, and right in the five-way key respectively. Because the five-way key operation interface 360 is displayed by the on-screen display menu control program 143 executed by the host 100, the user can control the five-way key operation interface 360 through the peripheral device 160 of the host 100, such as the peripheral device 160 Move the cursor to one of the buttons 361-365 on the five-way key operation interface 360, and press a specific physical button (such as the left mouse button) on the peripheral device 160, and the processing unit 110 can determine whether the user is Perform five-way key operations corresponding to the pressed button; or, for example, the user can use five physical buttons on another peripheral device 160 (such as a keyboard), such as the arrow keys and the confirmation key (Enter or Return), respectively Corresponding to the up, left, down, right, and confirm operations in the five-way key, when the user presses one of the physical buttons, the processing unit 110 can also determine that the user is pressing the button The corresponding five-way key operation.

Similarly, when the processing unit 110 determines the five-way key operation performed by the peripheral device 160, the processing unit 110 converts the above five-way key operation into a special command that can be recognized by the firmware 232 of the display device 200, where The five different operations of the five-way keys have corresponding special instructions. Then, the processing unit 110 transmits the special command of the five-way key to the display device 200 through the data transmission channel, and the display controller 210 can select or execute the corresponding command in the OSD interface 233 of the display device 200 according to the special command from the host 100 The OSD interface 233 can refer to FIG. 3C, but the present invention is not limited to this. Therefore, the above-mentioned method can achieve the function of using the peripheral device 160 of the host 100 to control the OSD interface 233 of the display device 200.

FIG. 3E is a schematic diagram of a desktop screen, an on-screen display interface, and a transparent window according to an embodiment of the invention. FIG. 3F is a schematic diagram of the cursor displayed on the screen in the embodiment of FIG. 3E of the present invention.

In the third embodiment, when the user presses a specific key combination (for example, CTRL+ALT+G, not limited) on the keyboard to activate the OSD menu control mode of the host 100, the host 100 transmits the corresponding One of the OSD menu control modes displays an enabling signal to the display device 200 on the screen. The display device 200 displays the OSD interface 233 on the display module 220, as shown in FIG. 3C, where the OSD interface 233 is overlaid on the desktop screen 390 of the operating system 142. The processing unit 110 (or the graphics processing unit 120) displays a transparent window 380 to also cover the desktop screen 390 of the operating system 142. The range of the transparent window 380 may be approximately equal to the range of the OSD interface 233, as shown in Figure 3E. Shown.

Then, the processing unit 110 can capture the cursor coordinates (X, Y) of the cursor of the peripheral device 160 at any time, and convert the cursor coordinates to the screen coordinates (X1, Y1) of the desktop screen 390. The processing unit 110 transmits the screen coordinates (X1, Y1) to the display device 200 through the data transmission channel. The display controller 210 of the display device 200 can draw the OSD cursor 391 of the OSD interface 233 at the position of the received screen coordinates (X1, Y1), as shown in FIG. 3F. In some embodiments, when the host 100 enters the OSD menu control mode, the processing unit 110 hides the cursor of the operating system 142 so that the user can use the OSD cursor 391 to operate the OSD interface 233, and the moving range of the OSD cursor 391 is limited In the area of OSD interface 233 (or transparent window 380).

In this embodiment, each option in the OSD interface 233 has a predetermined range. When the user uses the peripheral device 160 to control the OSD cursor 391 to move to a predetermined range corresponding to a specific option, the user can press a specific physical button (such as the left mouse button) on the peripheral device 160, and the processing unit 110 determines the surrounding The device 160 inputs the confirmation operation in the middle of the five-way key, and converts the confirmation operation into a specific operation signal that can be recognized by the firmware 232. Then, the processing unit 110 transmits the specific operation signal corresponding to the above confirmation operation to the display device 200 through the data transmission channel, and the display controller 210 can select or execute the operation in the OSD interface 233 according to the specific operation signal from the host 100 The corresponding option.

FIG. 4 is a flowchart of an operation method of an on-screen display interface according to an embodiment of the present invention.

In step S410, the display controller 210 is used to receive an image signal from the host 100 and a specific operation signal of a peripheral device 160 of the host 100. For example, the host 100 can use the data transmission channel and the image transmission channel to respectively transmit the specific operation signal and the image signal to the display device 200. The connection method of the data transmission channel and the image transmission channel can be referred to in Figures 2A-2B. Examples.

In step S420, the display controller 210 is used to control the on-screen display interface 233 of the display device 200 according to a specific operation signal, and the on-screen display interface 233 is overlaid on the image signal to generate an output image. For example, the display controller 210 stores the image signal from the host 100 in the image buffer 240, and the display controller 210 plays the content stored in the image buffer 240 on the display module 220. When the display controller 210 wants to display the on-screen display interface 233, the display controller 210 overlays the image signal of the on-screen display interface 233 with the image signal stored in the image buffer 240 to generate an output image. In various embodiments of the present invention, different methods can be used to enable the peripheral device 160 of the host 100 to control the options of the display interface 233 on the screen of the display device 200.

In step S430, the display controller 210 is used to play the output image on the display module 220. For example, the timing controller 212 in the display controller 210 plays the image content in the image buffer 240 on the display module 220. Because the display controller 210 in the display device 200 can cover a specific area of the image signal of the image buffer 240 on the screen according to the on-screen display enable signal. The OSD menu called by the above-mentioned on-screen display interface and the display device 200 is located on the top layer of the layer, meaning that it can be overlaid on other layers without being affected by image signals from different sources.

In summary, the present invention provides a computer system, a display device, and a method for operating a display interface on a screen, which can use peripheral devices of the host (such as a mouse, keyboard, trackball, touchpad, etc.) to control the display The on-screen display interface of the device allows users to simply and intuitively operate the on-screen display interface of the display device, which can avoid the inconvenience of using the input interface of the display device, thereby enhancing the user experience.

Although the present invention is disclosed as above in a preferred embodiment, it is not intended to limit the scope of the present invention. Anyone with ordinary knowledge in the relevant technical field can make slight changes and modifications without departing from the spirit and scope of the present invention. Retouching, therefore, the scope of protection of the present invention shall be subject to the scope of the attached patent application.

10: Computer system 100: Host 200: Display device 110: Processing unit 111: System bus 120: Graphics processing unit 130: Memory unit 140: Storage device 141: Application 142: Operating system 143: On-screen display menu control program 150, 150A-150C: Transmission interface 160: Peripheral device 210: Display controller 211: Image scaler 212: Timing controller 220: Display module 230: Storage unit 231, 232: Firmware 233: On-screen display interface 240: Image buffer 250, 250A-250C: Transmission interface 260: Input interface 261: Physical button 262: Five-way joystick 310-350: Block 360: Five-way key operation interface 361-365: Button 380: Transparent window 390: Desktop screen 391: OSD cursor S410－S430: step

Figure 1 is a block diagram of a computer system in an embodiment of the invention. 2A and 2B are schematic diagrams of the connection mode of the host and the display device of the computer system according to an embodiment of the invention. FIG. 3A is a schematic diagram of an on-screen display interface according to an embodiment of the invention. FIG. 3B is a schematic diagram of the cursor operation of the peripheral device according to an embodiment of the present invention. FIG. 3C is a schematic diagram of the setting menu of the on-screen display interface according to an embodiment of the present invention. Figure 3D is a schematic diagram of a five-way key operation interface according to an embodiment of the present invention. FIG. 3E is a schematic diagram of a desktop screen, an on-screen display interface, and a transparent window according to an embodiment of the invention. FIG. 3F is a schematic diagram of the cursor displayed on the screen in the embodiment of FIG. 3E of the present invention. FIG. 4 is a flowchart of an operation method of an on-screen display interface according to an embodiment of the present invention.

10: Computer system

100: host

200: display device

110: processing unit

111: system bus

120: graphics processing unit

130: memory unit

140: storage device

141: Application

142: Operating System

143: The menu control program is displayed on the screen formula

150: Transmission interface

160: Peripheral devices

210: display controller

211: Image Scaler

212: Timing Controller

220: display module

230: storage unit

231, 232: Firmware

233: On-screen display interface

240: Image buffer

250: Transmission interface

260: Input interface

261: Physical button

262: Five-way control lever

Claims (20)

A display device for electrically connecting to a host includes: a display module; and a display controller for receiving an image signal from the host and a specific operation signal of a peripheral device of the host; wherein, The display controller controls an on-screen display interface of the display device according to the specific operation signal, and overlays the on-screen display interface on the image signal to generate an output image, and the display controller is in the display module Play the output image on. The display device described in item 1 of the scope of patent application, wherein the display interface on the screen includes a five-way key control menu, and the host detects the movement vector of a cursor of the peripheral device on the image signal to determine the peripheral The movement of the device corresponds to one of the up, down, left, and right operations of the five-way key control menu, and detects whether a physical button of the peripheral device is pressed to determine the The peripheral device corresponds to one of the five-way key control menus to confirm the operation. For example, in the display device described in item 2 of the scope of patent application, in response to the host entering an on-screen display control mode, the host sets the current position of the cursor as the origin, and sets the cursor at the origin according to the movement vector of the cursor. The movement vector and direction of the horizontal and vertical directions are used to determine that the movement of the peripheral device corresponds to one of the upward operation, downward operation, leftward operation, and rightward operation, and convert the determined operation into the Specific operation signal. For example, the display device described in item 1 of the scope of patent application, wherein the host displays a five-way key menu on the image signal, and the five-way key menu includes five buttons respectively corresponding to confirm operation, up operation, and down operation , Leftward operation, and rightward operation, in which, when a cursor selects one of the five buttons and a physical button of the peripheral device is pressed, the host will correspond to the button selected by the cursor The operation is converted into the specific operation signal, and the specific operation signal is transmitted to the display device. For example, the display device described in item 1 of the scope of patent application, wherein the host displays a five-way key menu on the image signal, and the five-way key menu includes five buttons respectively corresponding to confirm operation, up operation, and down operation , Left, and right, where the five buttons correspond to the five physical buttons of the peripheral device. When one of the five physical buttons is pressed, the host will The corresponding operation of the button corresponding to the physical button is converted into the specific operation signal, and the specific operation signal is transmitted to the display device. For example, in the display device described in item 1 of the scope of patent application, when the host enters an on-screen display control mode, the host displays a transparent window in the range of the on-screen display interface, and detects that the cursor is on the transparent window. The cursor position in the window, and the detected cursor position is converted into a screen coordinate, wherein the host transmits the screen coordinate to the display device, and the display controller displays the screen coordinate on the screen according to the screen coordinate The interface draws a cursor on the screen. For example, in the display device described in item 6 of the scope of patent application, in response to a pressing operation on a physical button of the peripheral device, the host converts the pressing operation into the specific operation signal and transfers the specific operation signal. The operation signal is transmitted to the display device, and the display controller executes the position of the cursor on the screen to display the corresponding options of the interface on the screen. A computer system includes: a host for executing an application program to generate an image signal, and executing an on-screen display menu control program to detect a specific operation signal of a peripheral device of the host; and a display device, Electrically connected to the host, the display device includes: a display module; and a display controller for receiving the image signal and the specific operation signal from the host, and controlling the display device according to the specific operation signal An on-screen display interface, wherein the display controller overlays the on-screen display interface on the image signal to generate an output image, and plays the output image on the display module. The computer system described in item 8 of the scope of patent application, wherein the on-screen display interface includes a five-way key control menu, and the host detects the movement vector of a cursor of the peripheral device on the image signal to determine the peripheral The movement of the device corresponds to one of the up, down, left, and right operations of the five-way key control menu, and detects whether a physical button of the peripheral device is pressed to determine the The peripheral device corresponds to one of the five-way key control menus to confirm the operation. For example, in the computer system described in item 9 of the scope of patent application, in response to the host entering an on-screen display control mode, the host sets the current position of the cursor as the origin, and moves the cursor to the origin according to the movement vector of the cursor. The movement vector and direction of the horizontal and vertical directions are used to determine that the movement of the peripheral device corresponds to one of the upward operation, downward operation, leftward operation, and rightward operation, and convert the determined operation into the Specific operation signal. For example, the computer system described in item 8 of the scope of patent application, wherein the host displays a five-way key menu on the image signal, and the five-way key menu includes five buttons corresponding to confirm operation, up operation, and down operation respectively , Leftward operation, and rightward operation, in which, when a cursor selects one of the five buttons and a physical button of the peripheral device is pressed, the host will correspond to the button selected by the cursor The operation is converted into the specific operation signal, and the specific operation signal is transmitted to the display device. For example, in the computer system described in item 8 of the scope of patent application, when the host enters an on-screen display control mode, the host displays a transparent window in the range of the on-screen display interface, and detects that the cursor is in the transparent window The cursor position in the window, and the detected cursor position is converted into a screen coordinate, wherein the host transmits the screen coordinate to the display device, and the display controller displays the screen coordinate on the screen according to the screen coordinate The interface draws a cursor on the screen. For example, in the computer system described in item 12 of the scope of patent application, in response to a pressing operation on a physical button of the peripheral device, the host converts the pressing operation into the specific operation signal and transfers the specific operation signal The operation signal is transmitted to the display device, and the display controller executes the position of the cursor on the screen to display the corresponding options of the interface on the screen. A method for operating a display interface on a screen is used in a display device, wherein the display device includes a display module and a display controller. The method includes: using the display controller to receive an image signal from a host and the host A specific operation signal of a peripheral device; using the display controller to control an on-screen display interface of the display device according to the specific operation signal, and overlay the on-screen display interface on the image signal to generate an output image; And using the display controller to play the output image on the display module. The method for operating an on-screen display interface as described in item 14 of the scope of patent application, wherein the on-screen display interface includes a five-way key control menu, and the method further includes: using the host to detect the image signal of the peripheral device The movement vector of a cursor to determine that the movement of the peripheral device corresponds to one of the up, down, left, and right operations of the five-way key control menu; and to detect the peripheral device Whether a physical button is pressed is used to determine whether the peripheral device corresponds to a confirmation operation of the five-way key control menu. For example, the operation method of the on-screen display interface described in item 15 of the scope of patent application further includes: In response to the host entering an on-screen display control mode, the host is used to set the current position of the cursor as the origin, and based on the The movement vector and direction of the cursor's movement vector in the horizontal and vertical directions respectively to determine whether the movement of the peripheral device corresponds to one of the upward operation, downward operation, leftward operation, and rightward operation. The determined operation is converted into the specific operation signal. For example, the operation method of the on-screen display interface described in item 14 of the scope of patent application further includes: using the host system to display a five-way key menu on the image signal, wherein the five-way key menu includes five buttons corresponding to confirm respectively Operation, upward operation, downward operation, left operation, and right operation; and when a cursor selects one of the five buttons and a physical button of the peripheral device is pressed, use the host to The operation corresponding to the button selected by the cursor is converted into the specific operation signal, and the specific operation signal is transmitted to the display device. For example, the operation method of the on-screen display interface described in item 14 of the scope of patent application, wherein the five buttons correspond to the five physical buttons of the peripheral device, and the method further includes: using the host to display a display on the image signal Five-way button menu, where the five-way button menu includes five buttons corresponding to confirm operation, up operation, down operation, left operation, and right operation; and when one of the five physical buttons is pressed When down, the host converts the corresponding operation of the button corresponding to the pressed physical button into the specific operation signal, and transmits the specific operation signal to the display device. For example, the operation method of the on-screen display interface described in item 14 of the scope of patent application further includes: in response to the host entering an on-screen display control mode, using the host to display a transparent window within the range of the on-screen display interface, and Detect the cursor position of the cursor in the transparent window, and convert the detected cursor position into a screen coordinate; use the host to transmit the screen coordinate to the display device; and use the display controller according to the screen The coordinates are displayed on the screen and the interface draws a cursor on the screen. For example, the operating method of the on-screen display interface described in item 19 of the scope of the patent application further includes: When a physical button of the peripheral device is pressed, the host is used to convert the pressing operation to the specific Operating signal, and transmitting the specific operating signal to the display device; and using the display controller to execute the position of the cursor on the screen to display the corresponding options of the interface on the screen.

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