CN106293107A - Computer system and keyboard backlight setting method thereof - Google Patents

Abstract

The invention provides a computer system and a keyboard backlight setting method thereof, wherein the computer system comprises a display, a host and a keyboard; the host comprises a system memory and a display processing circuit; the system memory is connected with the display and used for storing display picture data, wherein the display is used for reading the display picture data and then displaying a corresponding picture; the display processing circuit is connected with the system memory and receives a picture display signal so as to write display picture data into the system memory; the keyboard is connected with the system memory and is provided with a backlight module, wherein a luminous state of the backlight module is set according to the display picture data. The invention can adjust the keyboard backlight of the computer system synchronously corresponding to the picture displayed by the display of the computer system so as to improve the overall acousto-optic effect of the computer system.

Description

Computer system and keyboard backlight setting method thereof

technical field

The invention relates to a computer system, in particular to a computer system and a keyboard backlight setting method thereof.

Background technique

In recent years, as users demand for sound and light effects, a backlight module is installed in the keyboard to enhance the sound and light effects of the computer system as a whole. Moreover, the backlight module of the keyboard has evolved from supporting monochrome to supporting color, and users can adjust the color of the backlight according to personal preference. However, after the color adjustment, the color of the backlight module of the keyboard is still displayed separately, which cannot be integrated into the overall sound and light effect of the computer system.

Contents of the invention

The invention provides a computer system and a keyboard backlight setting method thereof, which can adjust the keyboard backlight of the computer system synchronously corresponding to the picture displayed on the display of the computer system, so as to improve the overall sound and light effect of the computer system.

The computer system of the present invention includes a display, a host and a keyboard. The host includes a system memory and a display processing circuit. The system memory is connected to the display for storing a display image data, wherein the display is used to display the corresponding image after reading the display image data. The display processing circuit is connected to the system memory, and receives a frame display signal to write display frame data into the system memory. The keyboard is connected to the system memory and has a backlight module, wherein a lighting state of the backlight module is set according to the display image data.

The keyboard backlight setting method of the computer system of the present invention includes the following steps. A display image data stored in a system memory is read, wherein the display image data is used to set an image displayed by a monitor. A lighting state of a backlight module of a keyboard is set according to the display image data.

Based on the above, the computer system and keyboard backlight setting method of the embodiment of the present invention obtains the color tone distribution and specific gravity of the currently displayed image data, and sets the light emitting state of the backlight module according to the above. Therefore, the backlight module of the keyboard can be an extension of the visual effect of the display, thereby providing a better user experience.

Description of drawings

FIG. 1 is a schematic diagram of a computer system according to an embodiment of the invention.

FIG. 2 to FIG. 5 are corresponding schematic diagrams of keyboard backlight illumination and display display according to an embodiment of the present invention.

FIG. 6 is a flowchart of a method for setting a keyboard backlight of a computer system according to an embodiment of the invention.

Explanation of reference signs:

100: computer system; 110: monitor;

120: host; 121: central processing unit;

123: display processing circuit; 125: chipset;

127: system memory; 130: keyboard;

131: key module; 133: keyboard controller;

135: backlight module; A1～A4, A11, A21: display area;

B11, B12, B21, B22: pixel brightness value; DFD: display screen data;

K1～K4: light-emitting unit; K11, K21: buttons;

P1～P5: position; PKD: keyboard driver;

SCS: color setting signal; SFD: screen display signal;

SKI: input signal; S610, S620: steps.

detailed description

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail in conjunction with the accompanying drawings.

FIG. 1 is a schematic diagram of a computer system according to an embodiment of the invention. Referring to FIG. 1 , in this embodiment, a computer system 100 includes a display 110 , a host 120 and a keyboard 130 , wherein the host 120 includes a CPU 121 , a display processing circuit 123 , a chipset 125 and a system memory 127 . The system memory 127 is used to store the display data DFD and the keyboard driver PKD, and the keyboard 130 includes a key module 131 , a backlight module 135 and a keyboard controller 133 connected to the chipset 125 , the key module 131 and the backlight module 135 .

The chipset 125 is connected to the display 110 , the keyboard 130 , the CPU 121 , the display processing circuit 123 and the system memory 127 . The display 110 is connected to the system memory 127 through the chipset 125, so as to read the display frame data DFD in the system memory 124 within a specific time, and then the display 110 will display on the screen of the display 110 according to the read display frame data DFD. corresponding screen.

The display processing circuit 123 is connected to the system memory 127 through the chipset 125, and after receiving the picture display signal SFD provided by the chipset 125, the display processing circuit 123 will encode the data of the picture display signal SFD into a common specification to generate a picture Display data DFD. Then, through the chipset 125 , the frame display data DFD is written (or stored) into a specific section in the system memory 127 . Wherein, the screen display signal SFD may be data stored in the system memory 127 or input from the outside, which can be set by those skilled in the art, and the embodiment of the present invention is not limited thereto.

The central processing unit 121 is connected to the system memory 127 through the chipset 125, and is used to read and execute the keyboard driver PKD stored in the system memory 127, so that the host computer 120 can drive the keyboard 130, that is, the chipset 125 can receive the keyboard of the keyboard 130 The controller 133 provides the input signal SKI, and provides the control signal of the keyboard driver PKD (such as the color setting signal SCS) to the keyboard controller 133 of the keyboard 130 . Moreover, the keyboard driver PKD will read at least one of a plurality of pixel brightness values (such as B11, B12, B21, B22) of the display frame data DFD to provide the color setting signal SCS to the keyboard 130 to set the color of the keyboard 130. The light emitting state of the backlight module 135 .

According to the above, the keyboard driver PKD of the embodiment of the present invention will obtain the distribution and proportion of the current scene color displayed on the display 110 , and set the lighting state of the backlight module 135 according to the above. Next, the color setting signal SCS is transmitted to the keyboard controller 133 , and then the lighting state of the backlight module 135 is controlled by the keyboard controller 133 . Therefore, the backlight module 135 of the keyboard 130 is not only a function of illuminating the keyboard in the dark, but also an extension of the visual effect of the display 110 to provide a better user experience. In addition, the user does not need to manually set the color of the backlight module 135 , but the computer system 100 automatically adjusts the color of the backlight module 135 according to the scene data displayed on the display 110 at that time.

FIG. 2 to FIG. 5 are corresponding schematic diagrams of keyboard backlight illumination and display display according to an embodiment of the present invention. Please refer to FIG. 1 and FIG. 2 , wherein the same or similar components use the same or similar components. In this embodiment, it is assumed that the backlight module 135 is a monochromatic display, that is, all light emitting elements of the backlight module 135 display the same color. When the backlight module 130 is a monochrome display, the keyboard driver PKD can read one of the pixel brightness values (such as B11, B12, B21, B22) of the display image data DFD to provide the color setting signal CSC, that is, display The brightness values of pixels (such as B11 , B12 , B21 , B22 ) corresponding to a certain position (such as P1 - P5 ) of 110 set the light emitting state of the backlight module 130 .

Wherein, the luminous color of the backlight module 130 can be the same as or similar to the pixel brightness values (such as B11, B12, B21, B22) read by the keyboard driver PKD; The contrasting color of the pixel brightness values (such as B11, B12, B21, B22); or, the luminous color of the backlight module 130 can be the gradient of the pixel brightness values (such as B11, B12, B21, B22) read by the keyboard driver PKD Color, which can be determined by those skilled in the art.

In an embodiment of the present invention, the keyboard driver PKD can read the pixel brightness values (such as B11, B12, B21, B22) corresponding to some positions (such as P1-P5) of the display 110, that is, the keyboard driver PKD can read Get some pixel luminance values (such as B11, B12, B21, B22) of the display image data DFD and calculate the brightness average value and chromaticity average value of the read pixel luminance values (such as B11, B12, B21, B22), and A color setting signal CSC is provided.

Wherein, the luminous color of the backlight module 130 can be the same as or similar to the above-mentioned chromaticity average value; the luminous color of the backlight module 130 can be the contrast color of the above-mentioned chromaticity average value; Gradient color, which can be determined by those skilled in the art.

In an embodiment of the present invention, the keyboard driver PKD can read all pixel brightness values (such as B11, B12, B21, B22) of the display 110, that is, the keyboard driver PKD can read all pixel brightness values of the display frame data DFD Values (such as B11, B12, B21, B22) and calculate the brightness average and chrominance average of all pixel brightness values (such as B11, B12, B21, B22) to provide the color setting signal CSC.

Wherein, the luminous color of the backlight module 130 can be the same as or similar to the above-mentioned chromaticity average value; the luminous color of the backlight module 130 can be the contrast color of the above-mentioned chromaticity average value; Gradient color, which can be determined by those skilled in the art.

Please refer to FIG. 1 and FIG. 3 , wherein the same or similar components use the same or similar components. In this embodiment, it is assumed that the backlight module 135 is a multi-color display, that is, the backlight module 135 is divided into multiple parts (such as K1-K4), and the light-emitting elements of each part (which can be regarded as a light-emitting unit) can display different colors.

When the backlight module 130 is a multi-color display, the keyboard driver PKD will correspondingly divide the screen of the display 110 into multiple display areas (such as A1-A4), and the pixel brightness values (such as B11, B12, B21, B22) The corresponding display position divides the pixel luminance values (such as B11, B12, B21, B22) into multiple groups to determine the individual light-emitting states of each light-emitting unit (such as K1-K4) and then provide the color setting signal CSC . For example, the pixel brightness values (such as B11, B12, B21, B22) corresponding to the display area A1 are used to determine the light emitting state of the light emitting unit K1, and the pixel brightness values (such as B11, B12, B21, B22) corresponding to the display area A2 It is used to determine the light-emitting state of the light-emitting unit K2, and the rest can be deduced by analogy, which will not be repeated here.

In an embodiment of the present invention, the keyboard driver PKD can read all pixel brightness values (such as B11, B12, B21, B22) corresponding to the display area A1, that is, the keyboard driver PKD can read the corresponding pixels in the display image data DFD. Display the brightness values of all pixels in the group of area A1 (such as B11, B12, B21, B22) and calculate the average brightness and chromaticity of all the pixel brightness values in the corresponding group (such as B11, B12, B21, B22) The average value is used to set the light-emitting state of the light-emitting unit K1 of the backlight module 130 .

Wherein, the luminous color of the light-emitting unit K1 can be the same as or similar to the above average chromaticity; the luminous color of the light-emitting unit K1 can be the contrast color of the above average chromaticity; or, the luminous color of the light-emitting unit K1 can be the above average chromaticity Gradient color, which can be determined by those skilled in the art.

Please refer to FIG. 1 , FIG. 3 and FIG. 4 , wherein the same or similar components use the same or similar components. In this embodiment, in addition to dividing the screen of the display 110 into four display areas A1-A4, the length and width of each display area (such as A1-A4) are further subdivided into Y equal parts and X etc. points (in this case, 4 equal points are used as an example). After the above division, several sampling points “╳” can be obtained in each display area A1. The above-mentioned X and Y are variable values, the larger the value, the more sampling points, the more realistic the color response.

Next, the keyboard driver PKD takes out the pixel brightness values (such as B11, B12, B21, B22) corresponding to each sampling point “╳” from the display screen data DFD of the system memory 127, that is, the keyboard driver PKD can read the display screen Part of the pixel brightness values of the data DFD (such as B11, B12, B21, B22), and calculate a brightness average value and a chromaticity average value of the read pixel brightness values (such as B11, B12, B21, B22), so as to set The light emitting state of the light emitting unit K1 of the backlight module 130 is determined.

Wherein, the luminous color of the light-emitting unit K10 can be the same as or similar to the above average chromaticity; the luminous color of the light-emitting unit K1 can be the contrast color of the above average chromaticity; or, the luminous color of the light-emitting unit K1 can be the above average chromaticity Gradient color, which can be determined by those skilled in the art.

In an embodiment of the present invention, the keyboard driver program PKD can also read one of the pixel brightness values (such as B11, B12, B21, B22) corresponding to the display area A1 to provide the color setting signal CSC, that is, the keyboard driver The program PKD can read one of the pixel brightness values (such as B11 , B12 , B21 , B22 ) of the group corresponding to the display area A1 to set the light-emitting state of the light-emitting unit K1 of the backlight module 130 .

Wherein, the luminous color of the light-emitting unit K1 can be the same or similar to the pixel brightness values (such as B11, B12, B21, B22) read by the keyboard driver PKD; the luminous color of the light-emitting unit K1 can be read by the keyboard driver PKD The contrasting color of the pixel brightness value (such as B11, B12, B21, B22); or, the luminous color of the light emitting unit K1 can be the gradient of the pixel brightness value (such as B11, B12, B21, B22) read by the keyboard driver PKD Color, which can be determined by those skilled in the art.

Please refer to FIG. 1 and FIG. 4 , wherein the same or similar components use the same or similar components. In this embodiment, it is assumed that the backlight module 135 provides corresponding backlight corresponding to each key (such as K11, K21), that is, each key (such as K11, K21) has a light emitting element that operates independently.

When the corresponding backlight is provided corresponding to each key (such as K11, K21), the keyboard driver PKD will correspondingly divide the screen of the display 110 into multiple display areas (such as A11, A21), and the keyboard driver PKD will be based on each key. The corresponding display area (such as A11, A21) obtains the pixel brightness value (such as B11, B12, B21, B22) corresponding to each key to determine the light-emitting unit (such as K1 ~ K4) of each key (such as K11, K21) correspondingly The color setting signal CSC is provided after the individual lighting state. For example, the pixel brightness values (such as B11, B12, B21, B22) corresponding to the display area A11 are used to determine the light-emitting state of the button K11, and the pixel brightness values (such as B11, B12, B21, B22) corresponding to the display area A21 are used to The light-emitting state of the light-emitting unit K21 is determined, and the rest are deduced by analogy, which will not be repeated here.

In an embodiment of the present invention, the keyboard controller 133 can be connected to the system memory 127 through the chipset 125 of the host 120 to directly read the display frame data DFD in the system memory 127 . Moreover, after the keyboard controller 133 reads at least one of the pixel brightness values (such as B11, B12, B21, B22) of the display frame data DFD, according to the read pixel brightness values (such as B11, B12, B21, B22) Correspondingly setting the lighting state of the backlight module 135 .

Further, when the backlight module 135 is a monochrome display, the keyboard controller 133 can read one of the pixel brightness values (such as B11, B12, B21, B22) of the display frame data DFD to set the backlight module 135 the light-emitting state; the keyboard controller 133 can read the pixel luminance values (such as B11, B12, B21, B22) of the part of the display screen data DFD, and calculate the read pixel luminance values (such as B11, B12, B21, B22 ) to set the light-emitting state of the backlight module 135; or, the keyboard controller 133 can read all pixel brightness values (such as B11, B12, B21, B22) of the display image data DFD and Calculate the brightness average value and chromaticity average value of all pixel brightness values (such as B11 , B12 , B21 , B22 ), so as to set the light emitting state of the backlight module 135 . Wherein, the above-mentioned implementation details can be shown with reference to FIG. 2 , and will not be repeated here.

On the other hand, when the backlight module 135 is a multi-color display, the keyboard controller 133 reads all the pixel brightness values (such as B11, B12, B21, B22) of the display image data DFD, and according to the pixel brightness values (such as B11, B11, B22), The display positions corresponding to B12, B21, B22) divide the pixel luminance values (such as B11, B12, B21, B22) into multiple groups, so as to determine the light-emitting units in the backlight module 135 (such as K1～K4, K11, K21 ) individual light states. Wherein, the above implementation details may refer to the implementation shown in FIGS. 3-5 , and will not be repeated here.

FIG. 6 is a flowchart of a method for setting a keyboard backlight of a computer system according to an embodiment of the invention. Please refer to FIG. 6 , in this embodiment, the method for setting the keyboard backlight of the computer system includes the following steps. In step S610, the display screen data stored in the system memory is read, wherein the display screen data is used to set the screen displayed on the display. Next, in step S620, the lighting state of the backlight module of the keyboard is set according to the display image data. Wherein, the order of steps S610 and S620 is for illustration, and the embodiment of the present invention is not limited thereto. Moreover, the details of steps S610 and S620 may refer to the embodiments shown in FIG. 1 to FIG. 5 , and will not be repeated here.

According to the above, in the embodiment of the present invention, whether the keyboard 130 only provides regional backlight, or each key has an independent light-emitting element, through the above-mentioned control mechanism, the best ambient light effect can be provided.

To sum up, the computer system and keyboard backlight setting method of the embodiment of the present invention obtains the distribution and proportion of the scene color currently displayed on the display, and sets the lighting state of the backlight module according to the above. Therefore, the backlight module of the keyboard is not only a function of illuminating the keyboard in the dark, but also an extension of the visual effect of the display, thereby providing a better user experience. In addition, the user does not need to manually set the color of the backlight module, but the computer system automatically adjusts the color of the backlight module according to the scene data displayed on the monitor at that time.

Although the present invention has been disclosed above with the embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be defined by the claims.

Claims (17)

1. a computer system, including:

One display；

One main frame, including:

One Installed System Memory, connects this display, and for storing a display picture data, wherein this display is used for reading this display The picture of correspondence is shown after picture data；And

One display processes circuit, connects this Installed System Memory, and receives a picture display signal, to write this display picture data extremely This Installed System Memory；And

One keyboard, connects this Installed System Memory, and has a backlight module, and wherein a luminance of this backlight module shows according to this Show that picture data is set.

Computer system the most according to claim 1, it is characterised in that this main frame also includes a central processing unit, connecting this is System internal memory, for performing to be stored in a keyboard driver of this Installed System Memory, and this keyboard driver reads this display picture At least one of multiple pixel brightness values of face data is to provide a color setting signal to this keyboard.

Computer system the most according to claim 2, it is characterised in that this keyboard also includes a KBC, connects this master Machine sets signal to receive this color, and sets this luminance of this backlight module according to this color setting signal.

Computer system the most according to claim 2, it is characterised in that when this backlight module is monochromatic display, this keyboard drives Dynamic program reads one of them of those pixel brightness values of this display picture data, to provide this color to set signal.

Computer system the most according to claim 2, it is characterised in that when this backlight module is monochromatic display, this keyboard drives Dynamic program reads those pixel brightness values of part of this display picture data, and calculates the bright of those pixel brightness values read Degree meansigma methods and a colourity meansigma methods, to provide this color to set signal.

Computer system the most according to claim 2, it is characterised in that when this backlight module is monochromatic display, this keyboard drives Dynamic program read this display picture data those pixel brightness values all of and calculate those pixel brightness values all of a brightness put down Average and a colourity meansigma methods, to provide this color to set signal.

Computer system the most according to claim 2, it is characterised in that when this backlight module is multicolor displaying, this keyboard drives Those pixel brightness values are divided into multiple group according to the display position that those pixel brightness values are corresponding by dynamic program, to determine accordingly Multiple luminescence units other luminance and provide this color to set signal.

Computer system the most according to claim 1, it is characterised in that this keyboard also includes a KBC, connects this master This Installed System Memory of machine is to read at least one of multiple pixel brightness values of this display picture data, and sets this back of the body accordingly This luminance of optical module.

Computer system the most according to claim 8, it is characterised in that when this backlight module is monochromatic display, this keyboard control Device processed reads one of them of those pixel brightness values of this display picture data, to set this luminance of this backlight module.

Computer system the most according to claim 8, it is characterised in that when this backlight module is monochromatic display, this keyboard Controller reads those pixel brightness values of part of this display picture data, and calculates the bright of those pixel brightness values read Degree meansigma methods and a colourity meansigma methods, to set this luminance of this backlight module.

11. computer systems according to claim 8, it is characterised in that when this backlight module is monochromatic display, this keyboard Controller read this display picture data those pixel brightness values all of and calculate those pixel brightness values all of a brightness put down Average and a colourity meansigma methods, to set this luminance of this backlight module.

12. computer systems according to claim 8, it is characterised in that when this backlight module is multicolor displaying, this keyboard Those pixel brightness values are divided into multiple group according to the display position that those pixel brightness values are corresponding by controller, to determine accordingly The other luminance of multiple luminescence units.

The keyboard back light establishing method of 13. 1 kinds of computer systems, including:

Reading the display picture data being stored in an Installed System Memory, wherein this display picture data is shown for set monitor The picture shown；And

A luminance of a backlight module of a keyboard it is set according to this display picture data.

The keyboard back light establishing method of 14. computer systems according to claim 13, it is characterised in that when this backlight module is During monochromatic display, read one of them of those pixel brightness values of this display picture data, to set this of this backlight module Light state.

The keyboard back light establishing method of 15. computer systems according to claim 13, it is characterised in that when this backlight module is During monochromatic display, read those pixel brightness values of part of this display picture data, and calculate those pixel brightness values read An average brightness and a colourity meansigma methods, to set this luminance of this backlight module.

The keyboard back light establishing method of 16. computer systems according to claim 13, it is characterised in that when this backlight module is During monochromatic display, read this display picture data those pixel brightness values all of and calculate the one of those pixel brightness values all of Average brightness and a colourity meansigma methods, to set this luminance of this backlight module.

The keyboard back light establishing method of 17. computer systems according to claim 13, it is characterised in that when this backlight module is During multicolor displaying, those pixel brightness values are divided into multiple group, with correspondence by the display position corresponding according to those pixel brightness values Ground determines the other luminance of multiple luminescence units of this backlight module.