TWI731781B - Keyboard, computer system, method for controlling keyboard backlights, and program thereof - Google Patents

Abstract

A method for controlling keyboard backlights, wherein the keyboard comprises backlight components, comprising: setting a mapping relationship between display areas of a display screen and the backlight components; acquiring a cursor location display area on the display screen; and controlling glowing states of the backlight components according to the mapping relationship between the display areas of a display screen and the backlight components.

Description

Keyboard device, computer system, keyboard backlight control method and program product

The present invention relates to a keyboard backlight control method and a keyboard device with a backlight function, and particularly relates to a method and keyboard device for controlling the keyboard backlight according to the position of a cursor.

With the development of the e-sports industry, the backlight function of the keyboard has changed from being simply used in a low-light environment, using monochromatic light to increase the recognition of keyboard keys to provide users with a good typing environment, and become an additional entertainment and interactive Value function.

Most of the existing illuminated keyboards can support RGB color rendering of 16.8 million colors, and provide a variety of dynamic or static lighting effects, and a few of them also support interactive functions. However, the functions of human-computer interaction in the current illuminated keyboards on the market are often similar. They all use keys, sounds, or screen color information to adjust the backlight, such as generating special effects based on the position of the keys hit by the user, and adjusting the light based on the ambient volume. Color, or adjust the keyboard lighting effect according to the color rendering of the selected area on the screen, etc.

The present invention provides a method for controlling the keyboard backlight through the human-computer interaction between the user and the mouse. Different from the keyboards on the market, the backlight control mostly uses keyboard keys or screen colors to interact with the user. The present invention proposes that when the user operates the mouse, the keyboard displays the backlight pattern corresponding to the mouse operation, so that the player has every operation. A deeper sense of immersion.

A keyboard device of the present invention includes: a keyboard including a plurality of backlight elements; and a control unit coupled to the backlight elements and configured to: set the mapping between the plurality of display areas of a display screen and the backlight elements The relationship is obtained by obtaining the display area of a cursor displayed on the display screen, and controlling the lighting of the backlight elements according to the display area of the cursor and the mapping relationship.

A computer system of the present invention includes: the above keyboard device; a display screen including a plurality of display areas; and a host, which is coupled to the keyboard device and the display screen, and includes a processor, where the cursor displayed on the display screen is located The display area information is sent to the control unit.

A method for controlling the backlight of a keyboard of the present invention. The keyboard has a plurality of backlight elements, including: setting the mapping relationship between the plurality of display areas of a display screen and the backlight elements; and obtaining the display area of a cursor displayed on the display screen ; And according to the display area of the cursor and the mapping relationship, the backlight elements are controlled to turn on and off.

A computer program product of the present invention is used for keyboard backlight control, and the program is loaded by the computer to execute: the first program command is to obtain the display area of a cursor displayed on the display screen; the second program command is to obtain the The mapping relationship between the plurality of display areas of the display screen and the plurality of backlight elements of the keyboard; and a third program command, according to the display area of the cursor and the mapping relationship, control the backlight elements to turn on and off.

There are many ways to implement the present invention. Next, several representative embodiments will be described in detail in conjunction with the drawings. The protection scope of the present invention is defined by the scope of the patent application. The embodiments and drawings exemplified in the specification are only demonstrations or schematic diagrams of the principles of the present invention, and are not intended to limit the present invention to the embodiments. The steps disclosed do not have a certain sequence relationship, and it is not limited to only be executed once, and the sequence of the steps can be adjusted in a practical manner.

FIG. 1 is a schematic diagram of a keyboard device 10 according to an embodiment of the invention. The keyboard device 10 includes a plurality of backlight elements 12 and a control unit 20, and the control unit 20 is coupled to each backlight unit 12. In this embodiment, the keyboard device 10 is connected to a host (not shown), and the host is connected to a display screen 50 and a cursor control device (such as a mouse, a touchpad, a trackball... etc., not shown) ), wherein the cursor control device can control a cursor 60 to move or click on the display screen. The control unit 20 can control the actions of the keyboard device 10, such as responding to the pressing of the keys (not shown) of the keyboard device 10, and controlling the turning on and off of the backlight elements 12, etc. In some embodiments, the control unit 20 can set a plurality of display areas 52 included in the display screen 50, and further set the mapping relationship between each of the display areas 52 and the backlight elements 12; in addition, the control unit 20 can also set the mapping relationship between the display areas 52 and the backlight elements 12; The host communicates to obtain the display area 54 of the cursor 60 on the display screen 50 to control the backlight element of the corresponding keyboard to emit light according to the display area of the cursor 60.

In the above embodiment, the control unit 20 can set the display screen 50 to include a plurality of display areas in many ways. In one of the embodiments, the control unit 20 can set the display area 52 according to the number and/or arrangement of the backlight elements 12 of the keyboard device. For example, the display screen 50 is divided into a plurality of display areas 52 of the same size, the number and the arrangement manner are consistent with the plurality of backlight elements 12 of the keyboard device. In another embodiment, the control unit 20 may use a mathematical formula to set the display area. For example, if a specific mathematical formula is satisfied (for example: 600<x<700, 300<y<400, where x and y are the set display screen coordinate variables), it is set as the specific display area 52 (for example, set as the display area A63). In another embodiment, the control unit 20 can accept user input to set the display area 52. For example, a graphical interface is used to allow users to draw settings by themselves, or to allow users to customize the display area 52 of mathematical formulas. In another embodiment, the setting of the display area 52 can correspond to the shape and position of the keyboard keys on a one-to-one basis. Here are only examples of several possible setting methods, and the method of setting the display screen to include multiple display areas is not limited to this.

In the above embodiment, the control unit 20 can set the mapping relationship between the display area 52 and the backlight element 12 of the keyboard in many ways. In an embodiment, the control unit 20 may set a display area 52 to correspond to a backlight element 12. For example, as shown in Figure 2, each display area 52 (A11, A12,..., A36) corresponds to a backlight element (B11, B12,..., B36) corresponding to its relative position. In another embodiment, the control unit 20 can set one display area 52 to correspond to more than one backlight element 12. For example, as shown in Figures 3A to 3F, each display area 52 corresponds to more than one backlight element related to its relative position (for example: display area A11 corresponds to the keyboard backlight elements B11~B13, B21, and display area A12 corresponds to To the backlight components of the keyboard B11~B13, B22, B32). In another embodiment, the control unit 20 can set one display area 52 to correspond to more than one backlight element 12, and the arrangement of the one or more backlight elements 12 on the keyboard device presents a specific pattern. For example, as shown in FIG. 4, the multiple backlight elements 14 corresponding to the display area A23 where the cursor is located are arranged in an X shape. The above-mentioned specific pattern can be any pattern arranged according to a certain degree of regularity, for example, it can be a cross, a crosshair, a staggered two-line segment, a substantially circular pattern... etc. In another embodiment, if the keyboard device uses the backlight element array A _b as a plurality of backlight elements, the setting of the above-mentioned mapping relationship can be facilitated, and the number of backlight elements corresponding to each display area can be set flexibly. The pattern to be arranged. In an embodiment, the position of the backlight element 12 of the keyboard device corresponding to the display area 52 can also be set to be symmetrical to the position of the display area 52. In the above embodiment, the mapping relationship between the display area and the backlight element can be stored in a device accessible by the control unit 20 in the form of a conversion table. Here, only a few possible setting methods are exemplified, and the method of setting the mapping relationship between the display area and the backlight element of the keyboard is not limited to this.

In the above-mentioned embodiment, the control unit 20 can obtain the display area 54 of the cursor 60 on the display screen 50 in many ways, and the existing technology can be used. For example, the control unit 20 may obtain the position of the cursor 60 through the system call of the operating system of the coupled host, and then further determine which display area 52 the position is located in. The display area 52 is the The display area 54 where the cursor 60 is located. In one embodiment, the control unit 20 can periodically call the system to query the location of the cursor 60 (for example, every 100ms), and determine which display area 54 is in the display area 52, so as to dynamically track the location of the cursor 60. Area. The method for the control unit to obtain the display area of the cursor on the display screen is not limited to this.

In the above embodiment, the control unit 20 can control the corresponding backlight element 14 to emit light according to the display area 54 where the cursor 60 is located. In one embodiment, the control unit 20 can control the backlight element 14 corresponding to the display area 54 where it is located to emit light until the cursor 60 leaves the display area 54 where it is located, and then it turns off, and controls the cursor 60 to enter the next display area 54 where it is located. The corresponding backlight element 14 emits light. In another embodiment, the control unit 20 can control the backlight element 14 corresponding to the display area 54 where it is located to blink, for example, to blink together at a fixed frequency. In another embodiment, the control unit 20 can control the backlight elements 14 corresponding to the display area 54 where they are located to emit light at different times to present different effects such as breathing light, starlight, ocean waves, and turning. In another embodiment, the backlight element 14 corresponding to the display area 54 can be controlled to blink after the cursor 60 stays in the display area 54 for a certain period of time, so as to facilitate the user to find the position of the cursor 60. Here are only examples of several possible control methods, and the control unit controls the lighting of the backlight elements of the corresponding keyboard according to the display area where the cursor is located, and is not limited to this.

6A and 6B are schematic diagrams of a computer system 70 according to an embodiment of the present invention. The computer system 70 includes: a keyboard device 10 as shown in FIG. 1, including a plurality of backlight elements 12 and a control unit 20, the control unit 20 is coupled to each backlight unit 12; a display screen 50; and a host 30 coupled to the keyboard device 10 and the display 50. The control unit 20 can set the display screen 50 to include a plurality of display areas 52 and set the mapping relationship between the display areas 52 and the backlight element 12. The host 30 includes a processor 40, which can communicate with the control unit, and transmit information on the display area 54 where the cursor 60 is displayed on the display screen 50 to the control unit 20, so that the control unit can control according to the display area 54 where the cursor 60 is located The corresponding backlight element 14 emits light. The aforementioned computer system 70 may be a personal computer, a notebook computer, or a tablet computer...etc.

In the above embodiment, the processor 40 may also share part or all of the work of the control unit 20. In an embodiment, the processor may set the display screen 50 to include a plurality of display areas 52 and/or set the mapping relationship between the display area 52 and the backlight element 12. For example, the processor may set the display screen 50 to include a plurality of display areas 52, set the mapping relationship between the display area 52 and the backlight element 12, and obtain the position of the cursor 60 displayed on the display screen 50 to obtain the display area 54 where the cursor 60 is located. And the information of the display area 54 is sent to the control unit 20.

In the above-mentioned embodiment, the control unit 20 or the processor 40 can set the display screen 50 to include a plurality of display areas in many ways. In one of the embodiments, the control unit 20 or the processor 40 can set the display area 52 according to the number and/or arrangement of the backlight elements 12 of the keyboard device. For example, the display screen 50 is divided into a plurality of display areas 52 of the same size, the number and the arrangement manner are consistent with the plurality of backlight elements 12 of the keyboard device. In another embodiment, the control unit 20 or the processor 40 may use a mathematical formula to set the display area. For example, if a specific mathematical formula is satisfied (for example: 600<x<700, 300<y<400, where x and y are the set display screen coordinate variables), it is set as the specific display area 52 (for example, set as the display area A63). In another embodiment, the control unit 20 or the processor 40 can accept user input to set the display area 52. For example, a graphical interface is used to allow the user to draw settings by himself, or to allow the user to customize the mathematical formula setting display area 52. In another embodiment, the setting of the display area 52 can correspond to the shape and position of the keyboard keys on a one-to-one basis. Here are only examples of several possible setting methods, and the method of setting the display screen to include multiple display areas is not limited to this.

In the above embodiment, the control unit 20 or the processor 40 can set the mapping relationship between the display area 52 and the backlight element 12 of the keyboard in many ways. In an embodiment, the control unit 20 or the processor 40 can set a display area 52 to correspond to a backlight element 12. For example, as shown in Figure 2, each display area 52 (A11, A12,..., A36) corresponds to a backlight element (B11, B12,..., B36) corresponding to its relative position. In another embodiment, the control unit 20 or the processor 40 can set one display area 52 to correspond to more than one backlight element 12. For example, as shown in Figures 3A to 3F, each display area 52 corresponds to more than one backlight element related to its relative position (for example: display area A11 corresponds to the keyboard backlight elements B11~B13, B21, and display area A12 corresponds to To the backlight components of the keyboard B11~B13, B22, B32). In another embodiment, the control unit 20 or the processor 40 can set one display area 52 to correspond to more than one backlight element 12, and the arrangement of the one or more backlight elements 12 on the keyboard device presents a specific pattern. For example, as shown in FIG. 4, the display area A23 where the cursor is located corresponds to more than one backlight element 14 arranged in an X shape. The above-mentioned specific pattern can be any pattern arranged according to a certain degree of regularity, for example, it can be a cross, a crosshair, a staggered two-line segment, a substantially circular pattern... etc. In another embodiment, if the keyboard device uses the backlight element array A _b as a plurality of backlight elements, the setting of the above-mentioned mapping relationship can be facilitated, and the number of backlight elements corresponding to each display area can be set flexibly. The pattern to be arranged. In an embodiment, the position of the backlight element 12 of the keyboard device corresponding to the display area 52 can also be set to be symmetrical to the position of the display area 52. In the above embodiment, the mapping relationship between the display area and the backlight element can be stored in a device accessible by the control unit 20 or the processor 40 in the form of a conversion table. Here are only examples of several possible setting methods, and the method of setting the mapping relationship between the display area and the backlight element of the keyboard is not limited to this.

In the above-mentioned embodiment, the processor 40 can transmit the information of the display area 54 where the cursor 60 is displayed on the display screen 50 to the control unit 20 in many ways. For example, the processor 40 may obtain the location of the cursor 60 by performing a system call of the operating system, and then further determine which display area 52 the location is located in, and the display area 52 is the location of the cursor 60 Display area 54. The processor transmits the information in the display area 54 to the control unit 20 in a wired or wireless manner. In an embodiment, the processor 40 may periodically call the system to query the location of the cursor 60 (for example, every 100ms), and determine which display area 54 is in the display area 52, so as to dynamically track the location of the cursor 60. Area, and regularly transmit the information of the display area 54 where the cursor 60 is located to the control unit 20. The manner in which the processor transmits the information of the display area where the cursor displayed on the display screen is located to the control unit is not limited to this.

In the above embodiment, the control unit 20 can control the corresponding backlight element 14 to emit light according to the display area 54 where the cursor 60 is located. In one embodiment, the control unit 20 can control the backlight element 14 corresponding to the display area 54 where it is located to emit light until the cursor 60 leaves the display area 54 where it is located, and then it turns off, and controls the cursor 60 to enter the next display area 54 where it is located. The corresponding backlight element 14 emits light. In another embodiment, the control unit 20 can control the backlight element 14 corresponding to the display area 54 where it is located to blink, for example, to blink together at a fixed frequency. In another embodiment, the control unit 20 can control the backlight elements 14 corresponding to the display area 54 where they are located to emit light at different times to present different effects such as breathing light, starlight, ocean waves, and turning. In another embodiment, the backlight element 14 corresponding to the display area 54 can be controlled to blink after the cursor 60 stays in the display area 54 for a certain period of time, so as to facilitate the user to find the position of the cursor 60. Here are only examples of several possible control methods, and the control unit controls the lighting of the backlight elements of the corresponding keyboard according to the display area where the cursor is located, and is not limited to this.

FIG. 7A is a flowchart of a keyboard backlight control method according to an embodiment of the invention. In this embodiment, the keyboard backlight control method may include three steps: setting the mapping relationship between the display area and the keyboard backlight element (step S11); obtaining the display area where the cursor is located (step S12); and according to the display area and mapping of the cursor The relationship controls the backlight element of the keyboard (step S13).

In step S11, there can be many ways to set the mapping relationship between the display area and the backlight element of the keyboard, as shown in the foregoing embodiments. For example, one display area can be set to correspond to the backlight element of one keyboard; or one display area can be set to correspond to the backlight element of more than one keyboard; or one display area can be set to correspond to the backlight element of more than one keyboard, and The arrangement of the backlight elements of the one or more keyboards presents a specific pattern on the keyboard device. Here are only examples of several possible setting methods, and the method of setting the mapping relationship between the display area and the backlight element of the keyboard is not limited to this.

In step S12, there are many ways to obtain the display area where the cursor is located. In one embodiment, the cursor position returned by the system can be obtained by performing a system call, and the cursor position can be further determined in the display area to obtain the display area where the cursor is located. In another embodiment, the application program can periodically call the system to obtain the returned cursor position, and after receiving the cursor position obtained by the application program, it is further determined which of the display areas the cursor position is located, and the display area where the cursor is located is obtained. . In another embodiment, the application program can periodically call the system to obtain the returned cursor position and determine which display area the cursor is located in, and receive the judgment result of the application program to obtain the display area where the cursor is located. Here are only examples of several possible obtaining methods, and the method of obtaining the display area where the cursor is located is not limited to this.

In step S13, there can be many ways to control the backlight element of the keyboard according to the display area where the cursor is located and the mapping relationship, as shown in the foregoing embodiments. In one embodiment, the control unit can control the backlight element of the keyboard corresponding to the display area to emit light until the cursor leaves the display area and then turn off, and control the cursor to enter the next display area corresponding to the keyboard backlight element to emit light . In another embodiment, the control unit can control the backlight elements of the keyboard corresponding to the display area to blink, for example, to blink together at a fixed frequency. In another embodiment, the control unit can control the backlight elements of the keyboard corresponding to the display area to emit light at different times to present different effects such as breathing light, starlight, ocean waves, turning... and so on. In another embodiment, the backlight element of the keyboard corresponding to the display area can be controlled to blink after the cursor stays in the display area for more than a certain period of time, so as to facilitate the user to find the mouse position. Here are only examples of several possible control methods, and the control unit controls the lighting of the backlight elements of the corresponding keyboard according to the display area where the cursor is located, and is not limited to this.

As shown in Figure 7B, in some embodiments, the above step S11 may include two steps: dividing the display screen into multiple display areas (step S111); and combining each display area with one or more keyboard backlights The components are associated (step S112).

In step S111, there may be many ways to divide the display screen into multiple display areas, as shown in the foregoing embodiments. For example, the display area can be set according to the number and/or arrangement of the backlight elements of the keyboard device. For example, the display screen 50 can be divided into a plurality of equal size, and the number and arrangement are consistent with the plurality of backlight elements 12 of the keyboard device. Display area 52; or you can use a mathematical formula to set the display area, such as dividing multiple display areas with one or more mathematical formulas; or you can also accept user input to set the display area, for example, using a graphical interface to use The user can draw and set the display area by himself, or allow the user to customize the mathematical formula to set the display area; or it can also set the display area that corresponds to the shape and position of the keyboard keys one by one. Here are only examples of several possible setting methods, and the method of setting the display screen to include multiple display areas is not limited to this.

In step S112, there can be many ways to associate each display area with one or more keyboard backlight elements. For example, in one embodiment, a conversion table can be used to record the relationship between each display area and one or more keyboard backlight components. For example, the conversion table can record one or more keyboard backlight components corresponding to each display area. The conversion table can also record the backlight component combinations of several associated keyboards corresponding to each display area. For example, the conversion table can be divided into many columns, which record the display area, the backlight element of the keyboard corresponding to the display area, the combination of multiple backlight elements corresponding to the display area and the vertical staggered two-line segments, and the display area corresponds to substantially The combination of the backlight elements of the circular pattern, the combination of the backlight elements of the cross pattern corresponding to the display area... etc.

As shown in Fig. 7C, in some embodiments, step S112 may include two steps: setting the backlight elements of the keyboard as a backlight array (step S1121); and associating each display area with the backlight elements of multiple keyboards (Step S1122).

In step S1121, there are many ways to set the backlight element of the keyboard as a backlight array. For example, as shown in Figure 5, the backlight element of the keyboard is set as the backlight array A _b , where each element in _{A b represents a corresponding} Backlight component of the keyboard of the position.

In step S1122, there can be many ways to associate each display area with the backlight elements of the multiple keyboards. In one embodiment, each display region may be a backlight array of a plurality of elements A _b associated. For example, a conversion table elements may be used, the backlight of records associated with each display region of the array A _b. In another embodiment, each of the display elements may be all of the regions associated backlight array, and to set the mode in array A _b value of the element, in a subsequent step of the control element blinking backlight keyboard. For example, if the value 1 represents that the backlight element should emit light, and the value 0 represents that the backlight element should be off, a conversion table can be used to record each display area and the backlight array corresponding to each display area, where each display area corresponds to the backlight array For each element, a value of 0 or 1 is used to indicate light emission or extinguishment. Furthermore, in another embodiment, each display area can correspond to a plurality of backlight arrays, wherein the plurality of backlight arrays can be arranged in order, and can be alternated in sequence at a certain time in the subsequent steps to control The backlight element of the keyboard emits light and/or flashes according to the pattern of the array. Here, only a few possible association methods are exemplified, and the method of associating each display area with the backlight elements of the multiple keyboards is not limited to this.

Although this creation is disclosed in a preferred embodiment as above, it is not intended to limit the scope of this creation. Anyone who is familiar with this art can make some changes and modifications without departing from the spirit and scope of this creation. Therefore, The scope of protection of this creation shall be subject to the scope of the attached patent application.

10: Keyboard device 12: Backlight components 14: Corresponding backlight components 20: control unit 30: host 40: processor 50: display 52: display area 54: The display area where the cursor is located 60: cursor S11~S13: Flowchart steps S111, S112: Flow chart steps S1121, S1122: Flowchart steps

Figure 1 is a schematic diagram of a keyboard device according to an embodiment of the present invention. Figure 2 is a schematic diagram illustrating the mapping relationship between the display area and the backlight element of the keyboard. Figures 3A~3F are schematic diagrams illustrating the mapping relationship between the display area and the backlight element of the keyboard. FIG. 4 is a schematic diagram illustrating the mapping relationship between the display area and the backlight element of the keyboard. FIG. 5 is a schematic diagram illustrating the mapping relationship between the display area and the backlight element of the keyboard and the backlight array. 6A and 6B are schematic diagrams of a computer system according to an embodiment of the present invention. Figures 7A-7C are flowcharts of steps according to an embodiment of the present invention.

S11~S13: Flowchart steps

Claims (10)

A keyboard device includes: a keyboard including a plurality of backlight elements; and a control unit coupled to the backlight elements and arranged to: set the mapping relationship between the plurality of display areas of a display screen and the backlight elements, and obtain The display area of a cursor displayed on the display screen, and according to the display area of the cursor and the mapping relationship, the backlight elements are controlled to turn on and off. Such as the keyboard device of claim 1, wherein when the control unit sets the mapping relationship, the display areas can be divided from the display screen, and each of the display areas is associated with one or more of the backlight elements. For example, the keyboard device of claim 1 or 2, wherein the backlight elements are arranged in a backlight array, the first backlight units associated with one of the display areas are plural, and the associated first backlight units are arranged on the backlight array Into a specific style. For example, the keyboard device of claim 3, wherein the specific pattern includes a vertical staggered two-segment pattern, a substantially circular pattern, and a cross pattern. A computer system includes: a keyboard device such as the request item 1; the display screen; and a host, which is coupled to the keyboard device and the display screen, includes a processor, and transmits information on the display area of the cursor displayed on the display screen Give the control unit. A method for controlling the backlight of a keyboard, the keyboard having a plurality of backlight elements, including: setting a mapping relationship between the plurality of display areas of a display screen and the backlight elements; Obtaining the display area of a cursor displayed on the display screen; and controlling the brightness of the backlight elements according to the display area of the cursor and the mapping relationship. For example, the keyboard backlight control method of claim 6, wherein setting the mapping relationship further includes: dividing the display areas from the display screen; and associating each of the display areas with one or more of the backlight elements. For example, the keyboard backlight control method of claim 6 or 7, wherein the backlight elements are arranged in a backlight array, and the first backlight unit associated with one of the display areas is plural; the aforementioned backlight control method further includes: the associated Wait for the first backlight unit to be arranged in a specific pattern on the backlight array. For example, the keyboard backlight control method of claim 8, wherein the specific pattern includes a vertical staggered two-segment pattern, a substantially circular pattern, and a cross pattern. A keyboard backlight control computer program product used for keyboard backlight control. The program is loaded by the computer to execute: the first program command is to get the display area of a cursor displayed on the display screen; the second program command is to get The mapping relationship between the plurality of display areas of the display screen and the plurality of backlight elements of the keyboard; and a third program command, according to the display area of the cursor and the mapping relationship, control the backlight elements to turn on and off.

Images