TWI582813B - Computer system and method for setting keyboard backlight thereof - Google Patents

Description

Computer system and keyboard backlight setting method thereof

The present invention relates to a computer system, and more particularly to a computer system and a keyboard backlight setting method thereof.

In recent years, with the user's requirements for sound and light effects, a backlight module is arranged in the keyboard to enhance the sound and light effect of the computer system as a whole. Moreover, the backlight module of the keyboard has evolved from supporting monochrome to supporting color, and the user 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, and cannot be integrated into the overall sound and light effect of the computer system.

The invention provides a computer system and a keyboard backlight setting method thereof, which can adjust the keyboard backlight synchronization of the computer system corresponding to the screen displayed by the display of the computer system to improve the sound and light effect of the computer system as a whole.

The computer system of the present invention comprises a display, a host and a keyboard. The host includes a system memory and a display processing circuit. System memory coupled display The device is configured to store a display screen data, wherein the display is configured to read the display screen data and display the corresponding screen. The display processing circuit is coupled to the system memory and receives a picture display signal to write the display picture data to the system memory. The keyboard is coupled to the system memory and has a backlight module. The illumination state of the backlight module is set according to the display screen data.

The keyboard backlight setting method of the computer system of the present invention comprises the following steps. Reading a display screen data stored in a system memory, wherein the display screen data is used to set a screen displayed by a display. Setting a lighting state of a backlight module of a keyboard according to the display screen data.

Based on the above, the computer system and the keyboard backlight setting method of the embodiment of the present invention obtain the tone distribution and specific gravity of the current display screen data, and set the illumination state of the backlight module according to the above. Thereby, the backlight module of the keyboard can be an extension of the visual effect of the display, thereby providing a better user experience.

The above described features and advantages of the invention will be apparent from the following description.

100‧‧‧Computer system

110‧‧‧ display

120‧‧‧Host

121‧‧‧Central Processing Unit

123‧‧‧Display processing circuit

125‧‧‧ chipsets

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 values

DFD‧‧‧Display information

K1~K4‧‧‧Lighting unit

K11, K21‧‧‧ button

P1~P5‧‧‧Location

PKD‧‧‧ keyboard driver

SCS‧‧‧ color setting signal

SFD‧‧‧ screen display signal

SKI‧‧‧ input signal

S610, S620‧‧‧ steps

1 is a system diagram of a computer system in accordance with an embodiment of the present invention.

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

6 is a keyboard backlight setting method of a computer system according to an embodiment of the invention. Flow chart of the law.

1 is a system diagram of a computer system in accordance with an embodiment of the present invention. Referring to FIG. 1 , in the embodiment, the computer system 100 includes a display 110 , a host 120 , and a keyboard 130 . The host 120 includes a central processing unit 121 , a display processing circuit 123 , a chip set 125 , and a system memory 127 . The system memory 127 is configured to store the display screen data DFD and the keyboard driver PKD, and the keyboard 130 includes a button module 131, a backlight module 135, and a keyboard control coupled to the chipset 125, the button module 131, and the backlight module 135. 133.

The chipset 125 is coupled to the display 110, the keyboard 130, the central processing unit 121, the display processing circuit 123, and the system memory 127. The display 110 is coupled to the system memory 127 through the chipset 125 to read the display image data DFD in the system memory 124 for a specific time, and then the display 110 will display the DFD display 110 according to the read display data. The corresponding screen is displayed on the screen.

The display processing circuit 123 is coupled to the system memory 127 via the chip set 125, and after receiving the picture display signal SFD provided by the chip set 125, the display processing circuit 123 encodes the data of the picture display signal SFD into a common specification to Generate a screen display data DFD. Then, through the chipset 125, the screen display material DFD is written (or stored) to a specific section in the system memory 127. The screen display signal SFD may be the data stored in the system memory 127, or input from the outside, which may be set by a person skilled in the art, and the present invention The embodiment is not limited thereto.

The central processing unit 121 is coupled to the system memory 127 through the chipset 125 for reading and executing the keyboard driver PKD stored in the system memory 127, so that the host 120 can drive the keyboard 130, that is, the chipset 125 can receive The keyboard controller 133 of the keyboard 130 provides an input signal SKI and provides a control signal (such as a color setting signal SCS) of the keyboard driver PKD to the keyboard controller 133 of the keyboard 130. Moreover, the keyboard driver PKD reads at least one of the plurality of pixel brightness values (such as B11, B12, B21, B22) of the display picture data DFD to provide the color setting signal SCS to the keyboard 130 to set the backlight of the keyboard 130. The illumination state of the module 135.

According to the above, the keyboard driver PKD of the embodiment of the present invention obtains the distribution and specific gravity of the scene tones displayed by the display 110, and sets the illumination state of the backlight module 135 according to the above. Next, the color setting signal SCS is transmitted to the keyboard controller 133, and the lighting state of the backlight module 135 is controlled by the keyboard controller 133. Thereby, 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, thereby providing 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 data of the scene displayed by the display 110 at that time.

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

The illumination color of the backlight module 130 can be the same or similar to the pixel brightness value read by the keyboard driver PKD (such as B11, B12, B21, B22); the illumination color of the backlight module 130 can be the keyboard driver PKD. The contrast color of the read pixel brightness value (such as B11, B12, B21, B22); or the illumination color of the backlight module 130 may be the pixel brightness value read by the keyboard driver PKD (such as B11, B12, The gradation of B21, B22) can be determined by those of ordinary skill in the art.

In the embodiment of the present invention, the keyboard driver PKD can read the pixel brightness values (such as B11, B12, B21, B22) corresponding to the partial positions (such as P1~P5) of the display 110, that is, the keyboard driver PKD. It can read part of the pixel brightness value of the display picture data DFD (such as B11, B12, B21, B22) and calculate the brightness average value and chromaticity of the read pixel brightness values (such as B11, B12, B21, B22). The average value is provided to provide a color setting signal CSC.

The illuminating color of the backlight module 130 may be the same or similar to the chromatic average value; the illuminating color of the backlight module 130 may be the contrast color of the chromatic average value; or the illuminating color of the backlight module 130 may be the above color Average The gradation of color can be determined by those of ordinary skill in the art.

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

The illuminating color of the backlight module 130 may be the same or similar to the chromatic average value; the illuminating color of the backlight module 130 may be the contrast color of the chromatic average value; or the illuminating color of the backlight module 130 may be the above color The gradation of the average value may be determined by one of ordinary skill in the art.

Please refer to FIG. 1 and FIG. 3, wherein the same or similar elements use the same or similar elements. In this embodiment, it is assumed that the backlight module 135 is multi-color display, that is, the backlight module 135 is divided into a plurality of 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. color.

When the backlight module 130 is multi-color display, the keyboard driver PKD correspondingly divides the screen of the display 110 into a plurality of display areas (such as A1~A4), and according to pixel brightness values (such as B11, B12, B21, B22) The corresponding display position divides the pixel brightness values (such as B11, B12, B21, B22) into a plurality of groups, and correspondingly determines the individual light-emitting states of the respective light-emitting units (such as K1~K4) to provide the color setting. Signal CSC. For example, the pixel brightness values (such as B11, B12, B21, and B22) corresponding to the display area A1 are used to determine the light-emitting state of the light-emitting unit K1, and the display area A2 corresponds to The pixel brightness values (such as B11, B12, B21, B22) are used to determine the lighting state of the light-emitting unit K2, and the rest are deduced by analogy, and will not be described again here.

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

The illuminating color of the illuminating unit K1 may be the same or similar to the chromatic average value; the illuminating color of the illuminating unit K1 may be the contrast color of the chromatic average value; or the illuminating color of the illuminating unit K1 may be the chromatic average value. The gradation of color can be determined by those of ordinary skill in the art.

Please refer to FIG. 1, FIG. 3 and FIG. 4, wherein the same or similar elements use the same or similar elements. In this embodiment, in addition to dividing the screen of the display 110 into four display areas A1 to A4, the length and width of each display area (such as A1~A4) are further subdivided into Y equal parts and X equal parts. (In this case, all are divided into 4 examples). After the above division, a plurality of sampling points "x" can be obtained in each display area A1. The above X and Y are fluctuating values, and the larger the value, the more the sampling points, the more realistic the color response.

Next, the keyboard driver PKD extracts the pixel brightness value corresponding to each sampling point “×” from the display screen data DFD of the system memory 127 (for example, B11, B12, B21, B22) are taken out, that is, the keyboard driver PKD can read part of the pixel brightness value of the display picture data DFD (such as B11, B12, B21, B22), and calculate the read pixel brightness value (such as A brightness average value and a chromatic average value of B11, B12, B21, and B22) are used to set the light-emitting state of the light-emitting unit K1 of the backlight module 130.

The illuminating color of the illuminating unit K1 may be the same or similar to the chromatic average value; the illuminating color of the illuminating unit K1 may be the contrast color of the chromatic average value; or the illuminating color of the illuminating unit K1 may be the chromatic average value. The gradation of color can be determined by those of ordinary skill in the art.

In the embodiment of the present invention, the keyboard driver PKD can also read one of the pixel brightness values (such as B11, B12, B21, B22) corresponding to the display area A1 to provide a color setting signal CSC, that is, a keyboard. The driver PKD can read one of the pixel luminance values (eg, 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.

The illuminating color of the illuminating unit K1 may be the same or similar to the pixel brightness value read by the keyboard driver PKD (such as B11, B12, B21, B22); the illuminating color of the illuminating unit K1 may be read by the keyboard driver PKD. The contrast color of the pixel brightness value (such as B11, B12, B21, B22); or, the light color of the light unit K1 may be the pixel brightness value read by the keyboard driver PKD (such as B11, B12, B21, B22) The gradation of color, which may be determined by those of ordinary skill in the art.

Please refer to FIG. 1 and FIG. 4, wherein the same or similar elements use the same or similar elements. In this embodiment, it is assumed that the backlight module 135 corresponds to each button (eg, K11, K21) provides a corresponding backlight, that is, each button (such as K11, K21) has independent operating light-emitting elements.

When a corresponding backlight is provided corresponding to each button (such as K11, K21), the keyboard driver PKD correspondingly divides the screen of the display 110 into a plurality of display areas (such as A11, A21), and the keyboard driver PKD is based on each button. Corresponding display areas (such as A11, A21) obtain the pixel brightness values (such as B11, B12, B21, B22) corresponding to each button, to correspondingly determine the light-emitting units of each button (such as K11, K21) (such as K1~K4) The color setting signal CSC is provided after an individual lighting state. For example, the pixel brightness values (such as B11, B12, B21, and B22) corresponding to the display area A11 are used to determine the light-emitting state of the button K11, and the pixel brightness values corresponding to the display area A21 (such as B11, B12, B21, and B22). It is used to determine the lighting state of the light-emitting unit K21, and the rest is deduced by analogy, and will not be described again here.

In an embodiment of the present invention, the keyboard controller 133 can be coupled to the system memory 127 through the chipset 125 of the host 120 to directly read the display image data DFD in the system memory 127. Moreover, the keyboard controller 133 can read the pixel brightness value (such as B11, B12, after reading at least one of the pixel brightness values (such as B11, B12, B21, B22) of the display picture data DFD. B21 and B22) correspondingly set the light-emitting 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 picture data DFD to set the backlight mode. The lighting state of the group 135; the keyboard controller 133 can read the pixel brightness value of the portion of the display picture data DFD (eg B11, B12, B21, B22), and calculating the brightness average value and the chromatic average value of the read pixel brightness values (such as B11, B12, B21, B22) to set the illumination state of the backlight module 135; The keyboard controller 133 can read all the pixel brightness values (such as B11, B12, B21, B22) of the display picture data DFD and calculate the brightness average value of all pixel brightness values (such as B11, B12, B21, B22). And the average value of the chromaticity to set the light-emitting state of the backlight module 135. The above implementation details can be implemented by referring to FIG. 2, and details are not described herein again.

On the other hand, when the backlight module 135 is multi-color display, the keyboard controller 133 reads the pixel brightness values (such as B11, B12, B21, B22) of the display picture data DFD according to the pixel brightness value ( For example, the display positions corresponding to B11, B12, B21, and B22 are divided into a plurality of groups of pixel brightness values (such as B11, B12, B21, and B22) to correspondingly determine the light-emitting units in the backlight module 135 (eg, K1~). K4, K11, K21) Individual illumination states. The above implementation details can be referred to the implementation of FIG. 3 to FIG. 5, and details are not described herein again.

6 is a flow chart of a keyboard backlight setting method of a computer system according to an embodiment of the invention. Referring to FIG. 6, in the embodiment, the keyboard backlight setting method 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 by the display. Next, in step S620, the lighting state of the backlight module of the keyboard is set according to the display screen data. The order of the steps S610 and S620 is for illustrative purposes, and the embodiment of the present invention is not limited thereto. The details of the steps S610 and S620 can be referred to the embodiment of FIG. 1 to FIG. 5, and details are not described herein again.

According to the above, in the embodiment of the present invention, whether the keyboard 130 only provides a regional backlight, or each button has an independent light-emitting element, the above-mentioned control mechanism can provide an optimal ambient light source effect.

In summary, the computer system and the keyboard backlight setting method of the embodiment of the present invention obtain the distribution and specific gravity of the scene tones displayed on the display, and set the illumination state of the backlight module according to the above. In this way, 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 data of the scene displayed by the display at that time.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of the invention is defined by the scope of the appended claims.

100‧‧‧Computer system

110‧‧‧ display

120‧‧‧Host

121‧‧‧Central Processing Unit

123‧‧‧Display processing circuit

125‧‧‧ chipsets

127‧‧‧System Memory

130‧‧‧ keyboard

131‧‧‧Key Module

133‧‧‧Keyboard Controller

135‧‧‧Backlight module

B11, B12, B21, B22‧‧‧ pixel brightness values

DFD‧‧‧Display information

PKD‧‧‧ keyboard driver

SCS‧‧‧ color setting signal

SFD‧‧‧ screen display signal

SKI‧‧‧ input signal

Claims (17)

A computer system comprising: a display; a host, comprising: a system memory coupled to the display for storing a display image data, wherein the display is configured to read the display image data and display a corresponding image; a display processing circuit coupled to the system memory and receiving a picture display signal for writing the display picture data to the system memory; and a keyboard coupled to the system memory and having a backlight module The illumination state of the backlight module is set according to the display screen data. The computer system of claim 1, wherein the host further includes a central processing unit coupled to the system memory for executing a keyboard driver stored in the system memory, and the keyboard driver Reading at least one of a plurality of pixel luminance values of the display picture material to provide a color setting signal to the keyboard. The computer system of claim 2, wherein the keyboard further comprises a keyboard controller coupled to the host to receive the color setting signal, and setting the lighting state of the backlight module according to the color setting signal. The computer system of claim 2, wherein when the backlight module is a monochrome display, the keyboard driver reads one of the pixel brightness values of the display image data to provide the Color setting signal. The computer system of claim 2, wherein when the backlight module is a monochrome display, the keyboard driver reads a portion of the pixel brightness values of the display image data, and calculates the read A brightness average value and a chromatic average value of the pixel brightness values to provide the color setting signal. The computer system of claim 2, wherein when the backlight module is a monochrome display, the keyboard driver reads all of the pixel brightness values of the display image data and calculates all of the pictures. A brightness average and a chromatic average of the luminance values to provide the color setting signal. The computer system of claim 2, wherein when the backlight module is multi-color display, the keyboard driver divides the pixel brightness values according to the display positions corresponding to the pixel brightness values. Groups correspondingly determine individual illumination states of the plurality of illumination units and provide the color setting signals. The computer system of claim 1, wherein the keyboard further comprises a keyboard controller coupled to the system memory of the host to read at least one of a plurality of pixel brightness values of the display image data. And correspondingly setting the lighting state of the backlight module. The computer system of claim 8, wherein when the backlight module is a monochrome display, the keyboard controller reads one of the pixel brightness values of the display image data to set the The illumination state of the backlight module. The computer system of claim 8, wherein when the backlight module is a monochrome display, the keyboard controller reads a portion of the pixel brightness values of the display image data, and calculates the read a brightness average of the brightness values of the pixels The value and a chromatic average value are used to set the illuminating state of the backlight module. The computer system of claim 8, wherein when the backlight module is a monochrome display, the keyboard controller reads all of the pixel brightness values of the display image data and calculates all of the pictures. A brightness average value and a chromatic average value of the luminance value to set the illumination state of the backlight module. The computer system of claim 8, wherein when the backlight module is multi-color display, the keyboard controller divides the pixel brightness values according to the display positions corresponding to the pixel brightness values. Each group determines the individual light-emitting states of the plurality of light-emitting units correspondingly. A keyboard backlight setting method for a computer system, comprising: reading a display screen data stored in a system memory, wherein the display screen data is used to set a screen displayed by a display; and setting a keyboard according to the display screen data A lighting state of a backlight module. The keyboard backlight setting method of the computer system of claim 13, wherein when the backlight module is a monochrome display, one of the pixel brightness values of the display image data is read to set The illumination state of the backlight module. The keyboard backlight setting method of the computer system according to claim 13, wherein when the backlight module is in monochrome display, a part of the pixel brightness values of the display image data are read, and the calculation is read. And a luminance average value and a chroma average value of the pixel luminance values to set the illumination state of the backlight module. The keyboard backlight design of the computer system as described in claim 13 The method, wherein when the backlight module is a monochrome display, reading all the pixel brightness values of the display picture data and calculating a brightness average value and a chromatic average value of all the pixel brightness values, The illumination state of the backlight module is set. The keyboard backlight setting method of the computer system according to claim 13, wherein when the backlight module is multi-color display, the pixel brightness values are divided according to the display positions corresponding to the pixel brightness values. The plurality of groups correspondingly determine individual light-emitting states of the plurality of light-emitting units of the backlight module.