CN1852341A - Method and device for controlling keyboard backlight - Google Patents
Method and device for controlling keyboard backlight Download PDFInfo
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- CN1852341A CN1852341A CN 200510085289 CN200510085289A CN1852341A CN 1852341 A CN1852341 A CN 1852341A CN 200510085289 CN200510085289 CN 200510085289 CN 200510085289 A CN200510085289 A CN 200510085289A CN 1852341 A CN1852341 A CN 1852341A
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Abstract
The disclosed method is in use for solving issue of simplex backlight display caused by designing scheme that illuminants corresponding to push buttons are only all lightened up or all closed in current keypad backlight display. Through reading strategy for displaying backlight of keypad, the method generates control signals of illuminants corresponding to each push button based on strategy for displaying backlight. Then, using the said control signals controls relevant illuminants. The invention also discloses a keypad and a mobile phone.
Description
Technical field
The present invention relates to communication and field of computer technology, relate in particular to a kind of supervisory keyboard method backlight and device.
Background technology
Arranging the LED of one group of monochrome below the button of the keyboard of needs keyboard backlight, especially mobile phone, all LED are by the upper level applications control of mobile phone, the user can be provided with enabling, closing of keyboard back light or enabling time length.All LED Synchronization Control, otherwise it is luminous to control whole LED, or control whole LED and close.
Realize LED structure monochromatic backlight (Fig. 1 only is used for signal, and the LED layout is because of the different differences to some extent of mobile telephone key disk shape in the specific implementation) as shown in Figure 1 by monochromatic LED: position A wherein, B, C, D, E, F are respectively monochromatic LED lamp.Luminous in the time of by these monochromatic LEDs, illuminate the keypad for cellular phone that is positioned at its top, be convenient to mobile phone user's button operation.
The control of monochromatic LED is very simple, shown in Fig. 2 A, adds operating voltage between terminal M that needs only at LED and the N, and the LED luminous element will send corresponding monochromatic light, and this voltage is cancelled, and the LED luminous element stops luminous.The circuit of LED comes all LED of Synchronization Control luminous or not luminous by adding operating voltage or do not add work voltage between terminal X, the Y of control circuit shown in Fig. 2 B under the control button.
Though the backlight control of existing keyboard is simple, because all LED Synchronization Control, or all light, or Close All, so its demonstration backlight is single; And existing keyboard back light displaying scheme can not define display strategy backlight by oneself individual character by the user, can't satisfy user's individual demand.
Summary of the invention
The invention provides a kind of supervisory keyboard method backlight and device, can only all light because of the luminous element of button correspondence or can only Close All to solve in existing keyboard back light demonstration, and cause the single problem of demonstration backlight; Further, solving existing keyboard back light can not be by user's problem of definition keyboard display strategy backlight voluntarily in showing.
The invention provides following technical scheme:
The method that a kind of supervisory keyboard is backlight comprises the steps:
Read the display strategy backlight of keyboard;
Produce the control signal of the luminous element that corresponds respectively to each button according to described display strategy backlight;
Utilize described control signal to control corresponding luminous element respectively.
According to said method:
Described display strategy backlight is user-defined display strategy backlight, perhaps the display strategy backlight for giving tacit consent to.
Control signal corresponding to the luminous element of each button is a multi-way control signals, is respectively applied for the monochromatic light of control different colours.
Described keyboard back light display strategy comprises a kind of strategy in the DISPLAY ORDER of luminous element of the luminous duration of Show Color, luminous element of the luminous element of button and button or the combination of multiple strategy.
A kind of keyboard comprises a plurality of buttons, luminous element that is associated with each button and the control circuit that is used to control luminous element, and described luminous element is used to illuminate corresponding key; Wherein, the control signal output ends of described control circuit links to each other with the signal input end of the luminous element of each button respectively, and whether this control circuit can independently be controlled the luminous element of each button luminous.
According to above-mentioned keyboard:
The luminous element of each button has a plurality of inputs that are used to control different glow colors, and each input is connected with the output of described control circuit respectively.
The luminous element of each button is made up of a plurality of independently monochromatic luminous elements, and perhaps, the luminous element of each button is made of a plurality of monochromatic luminous element encapsulation.
Described keyboard also comprises a driver module, and this driver module produces according to display strategy backlight and is used to control the control signal of each luminous element, and outputs to described control circuit.
A kind of mobile phone comprises a plurality of buttons, luminous element that is associated with each button and the control circuit that is used to control luminous element, and described luminous element is used to illuminate corresponding key; Wherein, this mobile phone also comprises driver module, and this driver module produces according to display strategy backlight and is used to control the control signal of each luminous element, and outputs to described control circuit; The control signal output ends of described control circuit links to each other with the signal input end of the luminous element of each button respectively, independently controls the luminous element of each button by described control signal.
Institute's mobile phone also comprises:
Subscriber interface module is used to provide human-computer interaction interface, for customization and inquiry keyboard display strategy backlight;
Module is set, is used to store the user by subscriber interface module selected keyboard back light display strategy or user-defined personalized keyboard back light display strategy.
The present invention is by adopting colorful light-emitting body backlight as keyboard, by upper level applications control respectively each button under luminous element with and chrominance component realize that variation backlight controls; By the keyboard back light self defined interface is provided, make things convenient for the personalization of User Defined keyboard back light to show; For keyboard user, especially the mobile phone user can carry out personalized keyboard back light setting easily according to the wish of oneself, thereby can satisfy user's individual demand.
Description of drawings
Fig. 1 is existing monochromatic keyboard back light structural representation;
Fig. 2 A, Fig. 2 B are the control schematic diagram of monochromatic LED;
Fig. 3 A, Fig. 3 B, Fig. 3 C are the LED structural representation under the button among the present invention;
Fig. 4 is for realizing the control structure schematic diagram of demonstration backlight among the present invention;
Fig. 5 is the luminous element connection diagram of control circuit among the present invention and button;
Fig. 6 A is for being provided with interface schematic diagram personalized backlight for the user among the present invention;
Fig. 6 B, 6C are for being provided with the process chart of display strategy backlight among the present invention.
Embodiment
Cause or control whole luminous unlatchings in order to overcome existing keyboard back light Synchronization Control, control is luminous shortcoming of closing all, the present invention is by the luminous element under each button in the control circuit independence supervisory keyboard, on this basis, user customizable keyboard back light display strategy, the display strategy backlight of customization is preserved as configuration file.When carrying out demonstration backlight, read configuration file and produce control signal respectively corresponding to the luminous element of each button by this configuration file, control corresponding luminous element respectively by control signal, make this luminous element luminous or not luminous.
Further, but described luminous element adopts the luminous element of display color, colored single colour, and as redness, blueness etc. also can be by the composite colour of a plurality of monochromes, as by red and blue composite color.
Typical luminous element is light-emitting diode (LED), and present embodiment is as example.Below be that the present invention is described in detail for example mainly with the keyboard of mobile phone:
At present, common color LED has two kinds: a kind ofly can show redness and green, blend together yellow by red and green; Another kind can show redness, green and blue, blendes together yellow by red and green, blendes together purple by red and blueness, blendes together cyan by green and blueness.Can select wherein a kind of LED to make luminous element backlight according to actual needs.
LED under each button can be made of a plurality of independently monochromatic LEDs, as shown in Figure 3A, the LED under each button by three independently monochromatic LED (being not limited to three) form; LED under each button also can be that a plurality of monochromatic LEDs are packaged into a single LED device, shown in Fig. 3 B.
For the monochromatic LED of three different colours shown in Fig. 3 A, Fig. 3 B, between pin one and pin 4, add the LED operating voltage, the red LED luminous element will burn red, if this voltage is cancelled, the red LED luminous element will stop burn red; Add the LED operating voltage between pin two and pin 4, the green LED luminous element will glow green, if this voltage is cancelled, the green LED luminous element will stop glow green; Between pin 3 and pin 4, add the LED operating voltage, the blue led luminous element coloured light that will turn blue, if this voltage is cancelled, the blue led luminous element will stop the coloured light that turns blue.Like this, by different combinations, between pin one, pin two and pin 3 and pin 4, add the LED operating voltage respectively, will make corresponding LED luminous element send corresponding monochromatic light, perhaps be mixed into the light of other colors, thereby realize colored keyboard back light by monochromatic light.
The structure that realizes colored keyboard back light by a plurality of independently monochromatic LEDs shown in Fig. 3 C, position A, B, C, D, E, the F place has the monochromatic LED lamp that three different colours can be set respectively.The control of lighting respectively or extinguishing by to the monochromatic LED lamp of three different colours of each position relies on the synthetic of simple color, just can realize colored keyboard back light effect.Wherein, the color of monochromatic LED lamp is selected, the number of combinations of each position monochromatic LED lamp, and concrete layout may be different because of mobile phone.Generally speaking, a plurality of monochromatic LEDs are packaged into a single LED device, by realizing after the colour mixture that colored illumination effect is better relatively.
Consult shown in Figure 4ly, realize in the mobile phone that the control section of personalized demonstration backlight comprises:
Subscriber interface module is used to provide human-computer interaction interface, for customization and inquiry keyboard display strategy backlight.
Module is set, is used to store the user by subscriber interface module selected keyboard back light display strategy or user-defined personalized keyboard back light display strategy.
Driver module is used for the selected or self-defining keyboard back light display strategy of analysis user, and generates corresponding LED control signal.In mobile phone, software control to each chrominance component of each color LED is responsible for realization by driver, this driver is as the software interface between mobile phone upper level applications and the keypad for cellular phone back lingting color LED, called by the upper strata mobile telephone application, produce each chrominance component control signal of corresponding color LED, and, realize software control to color LED by the color LED control circuit.
Control circuit, the corresponding LED of control signal control that utilizes driver module to produce.
As can be seen from Figure 4, the user is provided with display strategy backlight by the human-computer interaction interface input that the interface module on the mobile phone provides, and module is set preserves these strategies; When keyboard back light need start, drive circuit produced each chrominance component control signal by the expectant control algorithm according to display strategy backlight, and control signal is controlled LED on the corresponding button by control circuit, realized personalized the demonstration.
Control circuit is the hardware carrier of the independent control that realizes that various color separations show to color LED, make each keyboard back light color LED various color separations with and the software control of colour mixture show and become possibility.As shown in Figure 5, the control signal output ends of control circuit links to each other with the signal input end of the luminous element of each button respectively, can find out thus, control circuit can make the luminous element of part button luminous and luminous element another part button is not luminous among the present invention, be different from the prior art or all light luminously, or all extinguish.And the input that being used to of the LED of each button controlled each monochromatic luminous element is connected with control circuit respectively, realizes the independent control of each each chrominance component of color LED, both can bill coloured light, and also can be various monochromatic mixed-color light.
For not providing the user-defined personalization mobile phone that display strategy backlight is provided with to the user, also can not comprise above-mentioned subscriber interface module and module is set, and being set in mobile phone, one group of predefined display strategy selects for the user.
Be example with 6 keyboard back light LED lamps below, the process that realizes personalized demonstration backlight be described:
6 LED lamp difference LED1, LED2, LED3, LED4, LED5, LED6; Each LED is red, green, blue three color LEDs.Predefined keyboard back light display strategy is as follows:
(1) LED1 redness, green; The LED3 green, blueness; The LED5 redness; Time: 2 seconds;
(2) LED2 green; The LED4 redness, blueness; The LED6 redness; Time: 5 seconds;
(3) LED1 green; The LED2 redness, blueness; The LED3 redness; The LED4 green; The LED5 redness, blueness; The LED6 redness; Time: 2 seconds.
Consult shown in Fig. 6 A, the user is by the keyboard back light display strategy (selecting circulation to show by the prompting user) of the above-mentioned personalization of this human-computer interaction interface definition, and wherein, the box indicating final election can multiselect; Circle is represented Dan Xuan.In the time of need lighting certain LED, then in square frame, choose this LED, select color then, each color component of this colour code LED; Time is then represented the duration that LED lights.
What above-mentioned predefined keyboard back light display strategy was concrete is provided with flow process shown in Fig. 6 B: in step 10, judge whether the number of times that the user is provided with has surpassed the number of times that can be provided with at most, if then no longer allow the user to be provided with and carry out step 13 and preserve the display strategy backlight that the user has been provided with; In step 11, the prompting user selects LED, selects led color, selects LED to show duration; In step 12, judge to be provided with and whether finish, if, then carry out step 13, preserve the display strategy backlight that the user is provided with, otherwise new setting of continuation step 10 beginning.
After finishing, above-mentioned display strategy setting backlight is kept in the mobile phone, when keyboard back light need start, driver module obtains the above-mentioned keyboard back light display strategy that the user sets by module is set, produce control signal corresponding according to set control algolithm, control signal outputs to control circuit then, by the personalization demonstration of control circuit supervisory keyboard LED backlight.
The control signal that driver module produces is relevant with concrete control circuit, and as for control circuit shown in Figure 5, driver module reads above-mentioned strategy " (1) LED1 redness, green; The LED3 green, blueness; The LED5 redness; Time: 2 seconds " after, at redness and green emitting body, the green of LED3 and the corresponding drive signal of input generation of blue-light emitting body and LED5 emitting red light body of LED1, control circuit is then luminous by following control LED according to drive signal:
Provide operating voltage to the redness of LED1 and the input of green emitting body, make it send red and green composite colourama;
Provide operating voltage to the green of LED3 and the input of blue-light emitting body, make it send green and blue composite colourama;
Input to the emitting red light body of LED5 provides operating voltage, makes it send red light.
And driver module stops output drive signal at LED1, LED3 and LED5 after luminous 2 seconds, and control circuit then stops to provide operating voltage to these three LED.
The control that driver module carries out according to above-mentioned other two strategies and strategy (1) in like manner repeat no more.
Above-mentioned tactful display effect is as follows:
(1) lights LED1, LED3, LED5; Wherein LED1 shows red green colour mixture, and LED3 shows turquoise colour mixture, and LED5 shows red; Light after 2 seconds and close.
(2) light LED2, LED4, LED6; Wherein LED2 shows green, and LED4 shows red blue colour mixture, and LED6 shows red; Light after 5 seconds and close.
(3) light LED1, LED2, LED3, LED4, LED5, LED6; Wherein LED1 shows green, and LED2 shows red blue colour mixture, and LED3 shows red, and LED4 shows green, and LED5 shows red blue colour mixture, and LED3 shows red; Light after 2 seconds and close.
(4) in the time that needs keyboard back light to light, the said process circulation shows.
Display strategy a plurality of backlight for customization, can select specifically to carry out one of them display strategy backlight by the user, its handling process is shown in Fig. 6 C: select the keyboard back light display strategy by the interface prompt user, after user's selection and the affirmation, preserve user's setting by module is set.
Though more than be that example describes with the mobile phone, for having keyboard backlight, the structure of its control section and processing procedure and in like manner above-mentioned on other equipment.Certainly, only with regard to keyboard, its driver module can be arranged on the keyboard, also can be arranged on equipment that keyboard is connected in.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if these of invention are revised for this and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (13)
1, a kind of supervisory keyboard method backlight is characterized in that, comprises the steps:
Read the display strategy backlight of keyboard;
Produce the control signal of the luminous element that corresponds respectively to each button according to described display strategy backlight;
Utilize described control signal to control corresponding luminous element respectively.
2, the method for claim 1 is characterized in that, described display strategy backlight is user-defined display strategy backlight, perhaps the display strategy backlight for giving tacit consent to.
3, the method for claim 1 is characterized in that, is multi-way control signals corresponding to the control signal of the luminous element of each button, is respectively applied for the monochromatic light of control different colours.
4, the method for claim 1 is characterized in that, described keyboard back light display strategy comprises a kind of strategy in the DISPLAY ORDER of luminous element of the luminous duration of Show Color, luminous element of the luminous element of button and button or the combination of multiple strategy.
As the arbitrary described method of claim 1 to 4, it is characterized in that 5, described keyboard is the keyboard on the mobile phone.
6, a kind of keyboard comprises a plurality of buttons, luminous element that is associated with each button and the control circuit that is used to control luminous element, and described luminous element is used to illuminate corresponding key; It is characterized in that the control signal output ends of described control circuit links to each other with the signal input end of the luminous element of each button respectively, whether this control circuit can independently be controlled the luminous element of each button luminous.
7, keyboard as claimed in claim 6 is characterized in that, the luminous element of each button has a plurality of inputs that are used to control different glow colors, and each input is connected with the output of described control circuit respectively.
8, keyboard as claimed in claim 7 is characterized in that, the luminous element of each button is made up of a plurality of independently monochromatic luminous elements, and perhaps, the luminous element of each button is made of a plurality of monochromatic luminous element encapsulation.
As claim 6,7 or 8 described keyboards, it is characterized in that 9, described keyboard also comprises a driver module, this driver module produces according to display strategy backlight and is used to control the control signal of each luminous element, and outputs to described control circuit.
10, a kind of mobile phone comprises a plurality of buttons, luminous element that is associated with each button and the control circuit that is used to control luminous element, and described luminous element is used to illuminate corresponding key; It is characterized in that this mobile phone also comprises driver module, this driver module produces according to display strategy backlight and is used to control the control signal of each luminous element, and outputs to described control circuit; The control signal output ends of described control circuit links to each other with the signal input end of the luminous element of each button respectively, independently controls the luminous element of each button by described control signal.
11, mobile phone as claimed in claim 10 is characterized in that, described mobile phone also comprises:
Subscriber interface module is used to provide human-computer interaction interface, for customization and inquiry keyboard display strategy backlight;
Module is set, is used to store the user by subscriber interface module selected keyboard back light display strategy or user-defined personalized keyboard back light display strategy.
As claim 10 or 11 described mobile phones, it is characterized in that 12, the luminous element of each button has a plurality of inputs that are used to control different glow colors, each input is connected with the output of described control circuit respectively.
13, mobile phone as claimed in claim 12 is characterized in that, the luminous element of each button is made up of a plurality of independently monochromatic luminous elements, and perhaps, the luminous element of each button is made of a plurality of monochromatic luminous element encapsulation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100852892A CN100558120C (en) | 2005-07-22 | 2005-07-22 | Method that a kind of supervisory keyboard is backlight and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100852892A CN100558120C (en) | 2005-07-22 | 2005-07-22 | Method that a kind of supervisory keyboard is backlight and device |
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| CN1852341A true CN1852341A (en) | 2006-10-25 |
| CN100558120C CN100558120C (en) | 2009-11-04 |
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| CNB2005100852892A Active CN100558120C (en) | 2005-07-22 | 2005-07-22 | Method that a kind of supervisory keyboard is backlight and device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2010145303A1 (en) * | 2009-06-16 | 2010-12-23 | 中兴通讯股份有限公司 | Method and device for controlling backlight of a mobile terminal |
| CN102119521A (en) * | 2008-08-06 | 2011-07-06 | 日本电气株式会社 | Portable telephone having key backlight and information sending method using key backlight |
| CN102063868B (en) * | 2009-11-12 | 2013-08-07 | 鸿富锦精密工业（深圳）有限公司 | Electronic device with backlight control and control method thereof |
| CN103428966A (en) * | 2013-07-11 | 2013-12-04 | 华为终端有限公司 | Key backlight processing method and device and terminal device |
| CN104090754A (en) * | 2014-06-16 | 2014-10-08 | 小米科技有限责任公司 | Press key prompting method and device |
| CN104582192A (en) * | 2015-01-16 | 2015-04-29 | 广东美的制冷设备有限公司 | Remote control unit backlight control method and system |
| CN106550506A (en) * | 2016-10-24 | 2017-03-29 | 珠海格力电器股份有限公司 | Control method and device of button backlight and terminal |
| TWI616779B (en) * | 2017-01-19 | 2018-03-01 | 宏碁股份有限公司 | Information display method and information display system |
| CN109041327A (en) * | 2018-06-25 | 2018-12-18 | 广东好太太科技集团股份有限公司 | A kind of touch remote controller backlight lightening method and touch remote controller |
| CN111081490A (en) * | 2018-10-19 | 2020-04-28 | 昆盈企业股份有限公司 | Method for dynamically adjusting backlight keyboard light-emitting mode |
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2005
- 2005-07-22 CN CNB2005100852892A patent/CN100558120C/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102119521A (en) * | 2008-08-06 | 2011-07-06 | 日本电气株式会社 | Portable telephone having key backlight and information sending method using key backlight |
| US8755843B2 (en) | 2008-08-06 | 2014-06-17 | Nec Corporation | Portable telephone equipped with key backlights and information notification method using key backlights |
| WO2010145303A1 (en) * | 2009-06-16 | 2010-12-23 | 中兴通讯股份有限公司 | Method and device for controlling backlight of a mobile terminal |
| CN102063868B (en) * | 2009-11-12 | 2013-08-07 | 鸿富锦精密工业（深圳）有限公司 | Electronic device with backlight control and control method thereof |
| CN103428966B (en) * | 2013-07-11 | 2016-08-10 | 华为终端有限公司 | Key-press backlight processing method, device and terminal unit |
| CN103428966A (en) * | 2013-07-11 | 2013-12-04 | 华为终端有限公司 | Key backlight processing method and device and terminal device |
| US9826591B2 (en) | 2013-07-11 | 2017-11-21 | Huawei Device (Dongguan) Co., Ltd. | Button backlight processing method and apparatus and terminal device |
| CN104090754B (en) * | 2014-06-16 | 2018-04-24 | 小米科技有限责任公司 | The method and apparatus of button prompting |
| CN104090754A (en) * | 2014-06-16 | 2014-10-08 | 小米科技有限责任公司 | Press key prompting method and device |
| CN104582192A (en) * | 2015-01-16 | 2015-04-29 | 广东美的制冷设备有限公司 | Remote control unit backlight control method and system |
| CN104582192B (en) * | 2015-01-16 | 2017-11-28 | 广东美的制冷设备有限公司 | Remote control method for controlling backlight thereof and system |
| CN106550506A (en) * | 2016-10-24 | 2017-03-29 | 珠海格力电器股份有限公司 | Control method and device of button backlight and terminal |
| TWI616779B (en) * | 2017-01-19 | 2018-03-01 | 宏碁股份有限公司 | Information display method and information display system |
| US10606369B2 (en) | 2017-01-19 | 2020-03-31 | Acer Incorporated | Information display method and information display system |
| CN109041327A (en) * | 2018-06-25 | 2018-12-18 | 广东好太太科技集团股份有限公司 | A kind of touch remote controller backlight lightening method and touch remote controller |
| CN109041327B (en) * | 2018-06-25 | 2020-05-05 | 广东好太太科技集团股份有限公司 | Touch remote controller backlight lighting method and touch remote controller |
| CN111081490A (en) * | 2018-10-19 | 2020-04-28 | 昆盈企业股份有限公司 | Method for dynamically adjusting backlight keyboard light-emitting mode |
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| CN100558120C (en) | 2009-11-04 |
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