CN101737762B - Portable electronic device and control method of light source thereof - Google Patents
Portable electronic device and control method of light source thereof Download PDFInfo
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- CN101737762B CN101737762B CN2008101767119A CN200810176711A CN101737762B CN 101737762 B CN101737762 B CN 101737762B CN 2008101767119 A CN2008101767119 A CN 2008101767119A CN 200810176711 A CN200810176711 A CN 200810176711A CN 101737762 B CN101737762 B CN 101737762B
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Abstract
The invention discloses portable electronic device and control method of light source thereof. The portable electronic device comprises a main control assembly, a light source control assembly and a light source assembly which is used for generating a light source. The control method comprises the following steps of: storing a plurality of light source control parameters in the main control assembly; responding an input signal, and outputting one of the light source control parameters by the main control assembly to the light source control assembly; responding the output light source control parameter, and generating and transmitting a light source control signal by the light source control assembly to the light source assembly, wherein the light source control signal is used for control the brightness of the light source generated by the light source assembly.
Description
Technical field
The invention relates to the control method of a kind of portable electronic devices and light source thereof; In more detail, be about in a kind of memory that a plurality of light source control parameters is stored in main control component, with portable electronic devices and the control method of the brightness of control light source.
Background technology
On the market portable electronic devices such as mobile phone and personal digital assistant (Personal DigitalAssistant now; PDA), light emitting diode (the Light-emitting Diode that usually has different colours; LED), be used for flicker with the generation of expression different event, for example mobile phone is in standby mode lower time, be in standby mode by green LED flicker expression mobile phone, again or at battery during in power shortage, inform that by a red light emitting diodes flicker user should change battery or charges.Yet with regard to the flicker pattern of the light emitting diode of portable electronic devices, determine light source control parameters such as flicker frequency and the flicker brightness etc. of flicker pattern, usually in the portable electronic devices design process, just preset and be stored in the memory.Therefore, when the flicker pattern on the portable electronic devices increases, also become large in order to store the required memory span demand of corresponding light source control parameters, the manufacturing cost of portable electronic devices also will improve simultaneously thereupon.
In addition, when the flicker pattern increases, if also will spend the more time when wish is sought out light source control parameters corresponding to the generation event from memory, cause light emitting diode can not respond in real time institute's generation event and adjust luminous brightness or chroma.
In view of this, how under the prerequisite that increases light source control parameters, do not increase the memory span in the portable electronic devices, can shorten again the switching time of the light-source brightness of portable electronic devices simultaneously; What is more, to how after the monochromatic source of portable electronic devices is replaced with color light source, still possess the described advantage of leading portion, so that portable electronic devices has more the deixis of diversification, bring the user comparatively convenient and better psychological feelings, this is the problem that industry is needed solution badly.
Summary of the invention
The invention provides a kind of portable electronic devices, it comprises a main control component, a light source control assembly and a light source assembly.This main control component is in order to receiving an input signal, and responds this input signal and export one first group of light source control parameters.This light source control assembly has one first prestrain unit (preload unit), this the first prestrain unit is in order to receive and to store this first group of light source control parameters of this main control component output, and wherein this first group of light source control parameters of this light source control component responds produces a light source control signal.This light source assembly then is electrically connected by this light source control assembly and this main control component, in order to producing a light source, and behind this light source control signal of reception, controls a brightness of this light source.
The present invention provides a kind of portable electronic devices in addition, and it comprises a main control component, a light source control assembly and a light source assembly.This main control component is in order to export a control signal and multiple sets of light sources control parameter.This light source control assembly has a plurality of prestrains unit, in order to receive respectively and to store this multiple sets of light sources control parameter of this main control component output, wherein this light source control assembly is to select one of them this stored multiple sets of light sources control parameter of described prestrain unit according to this control signal, and this selecteed this multiple sets of light sources of response is controlled parameter and produced a light source control signal.This light source assembly then is electrically connected by this light source control assembly and this main control component, and has one first colour light emitting unit and one second colour light emitting unit, in order to produce a synthesized source.In addition, this light source assembly receives this light source control signal to control a brightness of this synthesized source.
The present invention also provides a kind of control method that is used in a light source of a portable electronic devices.This portable electronic devices stores multiple sets of light sources control parameter.This control method comprises the following step: receive an input signal; Respond this input signal, export described light source control parameters one of them; Respond this light source control parameters that is output and produce a light source control signal; An and brightness of controlling this light source according to this light source control signal.
In sum, different types of light source control parameters will be stored in the interior memory of main control component in advance, by the mode that light source control parameters is sent to the light source control assembly, produce the light source control signal of control light source assembly.Simultaneously, the present invention also can transmit the light source control parameters of often using and be stored to the prestrain unit in the light source control assembly.Thus, not only can reduce the memory span of light source control assembly, also can further reduce simultaneously the whole switching time of the brightness of light source assembly.
Description of drawings
After consulting accompanying drawing and cooperating the description that accompanying drawing does the specific embodiment of the invention, this technical field has knows that usually the knowledgeable just can understand above-mentioned other purpose of the present invention, and technological means of the present invention and implement aspect; Wherein:
Fig. 1 is the schematic appearance of portable electronic devices of the present invention;
Fig. 2 is the circuit block diagram of portable electronic devices of the present invention;
Fig. 3 is the light source oscillogram of the light source assembly of portable electronic devices of the present invention;
Fig. 4 is another schematic appearance of portable electronic devices of the present invention;
Fig. 5 is the flow chart of portable electronic devices control light-source brightness of the present invention;
Fig. 6 is the flow chart that produces light source control signal;
Fig. 7 is the flow chart according to light source control signal control light-source brightness; And
Fig. 8 is the circuit block diagram of another portable electronic devices of the present invention.
The specific embodiment
Below will explain content of the present invention through embodiment, yet embodiments of the invention are not to limit the present invention to need can implement such as the described any environment of embodiment, application or particular form.Therefore, only be explaination purpose of the present invention about the explanation of embodiment, but not in order to limit the present invention.Need the expositor, in following examples and the accompanying drawing, all omit and do not illustrate with the non-directly related element of the present invention.
A preferred embodiment of the present invention is the outside drawing of portable electronic devices 3 of the present invention as shown in Figure 1.Portable electronic devices 3 general references are easy to move at any time the device that carries, such as mobile phone, notebook, personal digital assistant and Satellite Navigation Set etc., but not take aforesaid device as restriction.For convenience of description, portable electronic devices 3 will be take mobile phone as example in the present embodiment.The portable electronic devices 3 that Fig. 1 illustrates has an input block 311 and a light source assembly 35.Input block 311 can be input units such as keyboard or touch control screen, so that a user inputs the instruction of its selection.35 of light source assemblies use light emitting diode to produce a light source, but the present invention is not as limit.
See also Fig. 2, it is the circuit block diagram that illustrates portable electronic devices 3 of the present invention, and it comprises a main control component 31, a light source control assembly 33 and light source assembly 35.Main control component 31 is electrically connected to an input block 311, and main control component 31 comprises a memory 313 and a microprocessor 315.The instruction that input block 311 can respond user's selection produces an input signal 310.This memory 313 stores multiple sets of light sources control parameters, and for simplicity's sake, present embodiment is only illustrated described light source control parameters and had one first group of light source control parameters 3131 and second group of light source control parameters 3133,3135.Microprocessor 315 receives input signal 310 by input block 311, and after processing input signal 310, response input signal 310, microprocessor 315 is selected and is captured corresponding to the light source control parameters of input signal 310 in memory 313 and exported.In the present embodiment, are first group of light source control parameters 3131 corresponding to the light source control parameters of input signal 310, microprocessor 315 namely responds input signal 310 by selecting in the memory 313 and capturing first group of light source control parameters 3131 and exported.In other embodiment, input signal 310 can by other event, such as generations such as incoming call, power drain or reminder events, be not limited to be produced by input block 311.
Light source control assembly 33 comprises an interface 331, a control module 333 and a prestrain group 335.This interface 331 can be an I
2C bus, a USB, an IEEE 1394 buses or a serial peripheral interface.See through interface 331, aforementioned 3131 of first group of light source control parameters being exported by the microprocessor 315 of main control component 31 can be received by light source control assembly 33.Then, after control module 333 receives first group of light source control parameters 3131, then respond first group of light source control parameters 3131 and produce a light source control signal 330 and a prestrain signal 332.Prestrain group 335 comprises one first prestrain unit 335a and one second prestrain unit 335b.Should be noted that the present invention does not limit the number of the prestrain unit that prestrain group 335 comprises, two prestrain unit that the prestrain group 335 of present embodiment comprises not are to limit the present invention only for illustrating purpose of the present invention.
At first, the first prestrain unit 335a sees through light source control assembly 33 and receives and store first group of light source control parameters 3131.Should be noted, although the action that the described content of leading portion is first group of light source control parameters 3131 of main control component 31 transmission to the light source control assembly 33.So, after first group of light source control parameters 3131 is transferred to light source control assembly 33, the prestrain signal 332 that light source control assembly 33 produces will transfer to the microprocessor 315 of main control component 31, the microprocessor 315 of main control component 31 just can respond second group of light source control parameters 3133,3135 one of them group that prestrain signal 332 will be stored in the memory 313 and transfer to light source control assembly 33, and is stored to prestrain group 335 by the control module 333 of light source control assembly 33.
The control module 333 of light source control assembly 33 also comprises an access subelement 3331, and carries out subelement 3333 and I/O control subelement 3335.Access subelement 3331 receives the described first group of light source control parameters 3131 of leading portion, and produces an access instruction 334 according to first group of light source control parameters 3131.Carry out 3333 on subelement and carry out access instruction 334, and export a driving signal 336.I/O control subelement 3335 receives and processes and drives signal 336, and then output light source control signal 330 is to light source assembly 35.
35 of light source assemblies are comprised of a redness (Red) luminescence unit 351, a green (Green) luminescence unit 353 and blueness (Blue) luminescence unit 355.Clearer and more definite, foregoing each luminescence unit is a light emitting diode, and red light emitting diodes is in order to produce a red light source, and green LED is in order to produce a green light source, and blue LED is then in order to produce a blue-light source.Light source by aforementioned three primary colors (red, green, blue) mixes, and light source assembly 35 can produce the light source with a brightness.And the described light source control parameters 3131,3133,3135 of respectively organizing of leading portion all has a red data, a green data and a blue data.The red data of first group of light source control parameters 3131 of 333 foundations of the control module of light source control assembly 33, a green data and a blue data produce light source control signal 330.Light source control signal 330 namely responds the light-source brightness of the red data control emitting red light unit 351 of first group of light source control parameters 3131; Respond the light-source brightness of the green data control green emitting unit 353 of first group of light source control parameters 3131; And the blue data that responds first group of light source control parameters 3131 is controlled the light-source brightness of blue-light-emitting unit 355.By this, by the brightness adjustment of red light source, green light source and blue-light source, the brightness of the light source of light source assembly 35 can be controlled thereupon.
In more detail, after the microprocessor 315 of main control component 31 receives input signal 310 by interface 311, first group of light source control parameters 3131 in the memory 313 selected and captured to microprocessor 315 response input signals 310, and it also comprises the control parameter of a standby mode.Transmit first group of light source control parameters 3131 to the interface 331 of light source control assembly 33 by microprocessor 315 more immediately.And first group of light source control parameters 3131 has red data, green data and blue data, and will be elaborated in back segment about the configuration of red data, green data and the blue data of first group of light source control parameters 3131.Specifically, after interface 331 receives first group of light source control parameters 3131, first group of light source control parameters 3131 can be sent to control module 333, control module 333 is stored to the first prestrain unit 335a with red data, green data and the blue data difference sequencing (programmable) of first group of light source control parameters 3131.With present embodiment, the first prestrain unit 335a has five pre-configured prestrain tables 3351, red data, green data and the blue data of 3352,3353,3354 and 3355, the first groups of light source control parameters 3131 will be stored to prestrain table 3351.To light source assembly 35, light source assembly 35 will be according to the brightness of first group of light source control parameters 3131 (the control parameter that namely comprises standby mode) control light source with output light source control signal 330 for control module 333 simultaneously.
And when control module 333 output light source control signals 330 during to light source assembly 35, it also transmits prestrain signal 332 to the microprocessor 315 of main control component 31 simultaneously.Microprocessor 315 will respond prestrain signal 332 will be stored in the memory 313 second group of light source control parameters 3133 (for example, the control parameter that comprises a call alerting mode) or another second group of light source control parameters 3135 (for example, the control parameter that comprises a power drain pattern) transfers to light source control assembly 33, and second group of light source control parameters 3133,3135 red data, green data and blue data are stored to respectively the prestrain table of the second prestrain unit 335b according to the described order of leading portion.Because second group of light source control parameters 3133 (the control parameter that namely comprises call alerting mode) and another second group of light source control parameters 3135 (the control parameter that namely comprises the power drain pattern) have been stored to the second prestrain unit 335b of light source control assembly 33 all.Therefore, when the light source assembly 35 of portable electronic devices 3 is controlled brightness with first group of light source control parameters 3131 (the control parameter that namely comprises standby mode), if sending a telegram here, someone must be converted to when using second group of light source control parameters 3133 (the control parameter that comprises call alerting mode), control module 333 can be directly by red data, green data and the blue data of second group of light source control parameters 3133 of the second prestrain unit 335b access, so that the brightness of the light source of light source assembly 35 can switch rapidly, and shorten time of the brightness of control light source.It should be noted that the above embodiments only are used for exemplifying enforcement aspect of the present invention, and explain technical characterictic of the present invention, is not to limit category of the present invention.
At this, what need in addition a little explanation is, although the described second group of light source control parameters 3133 of this preferred embodiment, the 3135th is stored among the second prestrain unit 335b.Yet except store the second group of light source control parameters 3133,3135 from main control component 31 outputs with the second prestrain unit 335b, second group of light source control parameters 3133,3135 also can be stored to the first prestrain unit 335a.The present invention does not limit which prestrain unit that light source control parameters is stored in prestrain group 335.That is second group of light source control parameters 3133,3135 can respond the prestrain table that prestrain signal 332 is stored to the first prestrain unit 335a or the second prestrain unit 335b.
In addition, in other embodiment, have slip lid action or keyboard is released for the portable electronic devices 3 of regaining for a kind of, first group of light source control parameters 3131 that memory 313 stores is to produce a flasher when releasing action corresponding to the keyboard of portable electronic devices 3 in order to driving light source assembly 35.Another flasher when second group of light source control parameters 3133 that memory 313 stores then regained action in order to 35 generations of driving light source assembly corresponding to the keyboard of portable electronic devices 3.And the control module 333 of the conversion of the brightness of the action institute corresponding light source of aforementioned keyboard release and withdrawal and light source control assembly 33 and the relation of the running between prestrain group 335 and the main control component 31 had been done explanation at leading portion, so do not repeat them here.
About the chroma of light source and the modulating method of brightness, then be to utilize pulse wave width modulation (pulse widthmodulation; PWM) mode is because pulse wave width modulation is the technology that industry is familiar with, so only its modulation mode of simple declaration is as follows at this.
Seeing also Fig. 3, is the oscillogram of light-source brightness of the light source assembly 35 of portable electronic devices 3 of the present invention.Fig. 3 from top to bottom is respectively the oscillogram of the blue-light source passage of the waveform of green light source passage of waveform, light source assembly 35 of the red light source passage (channel) of light source assembly 35 and light source assembly 35.Specifically, each point on the red light source passage can use a coordinate (x, y) represent the brightness value that each time point of red light source passage presents, transverse axis (x) representative time wherein, the longitudinal axis (y) then represents when utilizing pulse wave width modulation, the brightness that the emitting red light unit 351 of light source assembly 35 presents.For instance, for 8 systems, red channel has the color range of 256 kinds of different brackets, and each color range has its corresponding brightness.The brightness little expression color range grade that heals is lower, that is to say, represents complete secretly when the longitudinal axis is 0/256, i.e. brightness is the state of the complete OFF of pulse wave width modulation; Brightness represents more then that the color range grade is higher, that is to say, represents entirely brightly when the longitudinal axis is 256/256, i.e. brightness is the state of the complete ON of pulse wave width modulation.Because pulse wave width modulation is prior art, this technical field has knows that usually the knowledgeable should understand the mode of operation about pulse wave width modulation, so do not repeat them here.
For instance, if the red light source passage was in 0 o'clock time, its brightness value is 0, then be labeled as (0,0), this moment, red light source was represented as entirely secretly, and the rest may be inferred, the brightness of red light source passage, green light source passage and blue-light source passage is 0, and it mixes and the light-source brightness that draws is complete dark.When the time was x1, its brightness value was 16, and be labeled as (x1,16/256) this moment, i.e. (x1,1/16), and this moment, the brightness of red light source was 1/16 times of state of the complete ON of pulse wave width modulation.And when the time was x2, its brightness value was 32, and be labeled as (x1,32/256) this moment, i.e. (x1,1/8), and this moment, the brightness of red light source was 1/8 times of state of the complete ON of pulse wave width modulation.The rest may be inferred, and red light source passage, green light source passage all can represent the corresponding brightness of its different time by different coordinates (x, y) from the blue-light source passage.The rest may be inferred, if when the time is x3, (the x of red light source passage, green light source passage and blue-light source passage, y) be respectively (x3,0), (x3,0) and (x3,1/16), it mixes and the light source that draws is blueness, and its brightness is 1/16 times of state of the complete ON of pulse wave width modulation.By this, can control the brightness of the light source of light source assembly 35, it relatively also can change the chroma of light source.
It should be noted that in addition the present invention does not limit the quantity of light source assembly 35, though present embodiment only illustrates operation and the action of single light source assembly 35.Yet having, this technical field knows that usually the knowledgeable can learn by the described explanation of leading portion the operation of a plurality of light source assemblies 35.Illustrate such as Fig. 4, so do not repeat them here.
Leading portion is described be used in portable electronic devices 3 control light source assembly 35 light-source brightness flow process then as shown in Figure 5.Portable electronic devices 3 can store a plurality of light source control parameters, these light source control parameters have one first light source control parameters and at least one secondary light source control parameter, and the number of these light source control parameters is not limited to 3, and 3 light source control parameters of present embodiment only are explaination purpose of the present invention.And the light source of light source assembly 35 is to be mixed and produced by a red light source, a green light source and a blue-light source.Control method comprises the following step: at first, execution in step S71, the event that responds produces an input signal.Execution in step S72 receives this input signal again.Then execution in step S73 responds input signal, selects and export one first group of light source control parameters.
Execution in step S74 receives and stores first group of light source control parameters again.Execution in step S75 responds first group of light source control parameters and produces a light source control signal.Execution in step S76 is according to a brightness of light source control signal control light source.Execution in step S77 produces a prestrain signal again.Last execution in step S78, response prestrain signal upgrades and stores at least one second group of light source control parameters.
Fig. 6 then illustrates among the step S75, produces the flow process of light source control signal.At first, execution in step S81 produces an access instruction according to first group of light source control parameters.Execution in step S82 carries out access instruction and exports one driving signal again.Execution in step S83 receives and processes this driving signal.At last, execution in step S84 is according to driving signal output light source control signal.
Fig. 7 then illustrates among the step S76, the flow process of a brightness of control light source.At first, execution in step S91 responds a brightness of the red data control red light source of first group of light source control parameters.Execution in step S92 responds a brightness of the green data control green light source of first group of light source control parameters again.At last, execution in step S93 responds a brightness of the blue data control blue-light source of first group of light source control parameters.
Except above-mentioned steps, the flow process of brightness of the light source of control light source assembly 35 also can be carried out described portable electronic devices 3 the operation described of the present invention of leading portion and function, affiliated technical field have usually know the knowledgeable can be directly acquainted with flow process that Fig. 5～7 illustrate how based on the portable electronic devices 3 of the invention described above to carry out these operations and function.So do not give unnecessary details.
Another preferred embodiment of the present invention is another circuit block diagram of portable electronic devices 3 of the present invention then as shown in Figure 8.Its circuit block diagram comprises a main control component 91, a light source control assembly 93 and a light source assembly 95.Main control component 91 comprises a memory 913 and a microprocessor 915.Memory 913 is in order to store multiple sets of light sources control parameter 9131,9133,9135.One microprocessor 915 then is electrically connected at memory 913, and selects and export a control signal 912 and this multiple sets of light sources control parameter 9131,9133,9135 in memory 913.
Light source control assembly 93 comprises an interface 931, a plurality of prestrains unit 935a, 935b and a control module 933.For simplicity's sake, described prestrain unit is namely represented with one first prestrain unit 935a and one second prestrain unit 935b.Aforesaid multiple sets of light sources control parameter 9131,9133, the 9135th, by an interface 931 transmission, interface 931 is an I2C bus, a USB, an IEEE 1394 buses or a serial peripheral interface.
The first prestrain unit 935a and the second prestrain unit 935b receive respectively and store the light source control parameters 9131,9133,9135 of main control component 91 outputs.93 of light source control assemblies are according to the control signals 912 that microprocessor 915 transmits, select to be stored in the first prestrain unit 935a or the multiple sets of light sources of the second prestrain unit 935b control parameter 9131,9133,9135 one of them.Simultaneously, and respond selecteed light source control parameters and produce a light source control signal 930 in control module 933.And control module 933 comprises an access subelement 9331, execution subelement 9333 and an I/O sub-control unit 9335.Access subelement 9331 namely produces an access instruction 934 in receiving multiple sets of light sources control parameter 9131,9133,9135 after one of them, and access instruction 934 is sent to carries out subelement 9333.Subsequently, carrying out subelement 9333 carries out access instruction 934 and exports a driving signal 936.I/O sub-control unit 9335 receives and processing drives signal 936, and is last, and I/O sub-control unit 9335 namely drives signal 936 as a result output light source control signal 930 afterwards according to processing.
95 of light source assemblies pass through light source control assembly 93 and are electrically connected with main control component 91, and it has to produce one first colour light emitting unit 951 and the one second colour light emitting unit 955 of a synthesized source.Light source assembly 95 namely receives light source control signal 930, and controls a brightness of synthesized sources by light source control signal 930.It should be noted that, the first colour light emitting unit 951 and the second colour light emitting unit 955 can be respectively the light emitting diode of different colours, for example the first colour light emitting unit 951 is red light emitting diodes, and the second colour light emitting unit 955 then is blue LED; Or first colour light emitting unit 951 be green LED, the second colour light emitting unit 955 then is the combinations such as red light emitting diodes.
Present embodiment is only slightly made an amendment on the layout of portable electronic devices inside, yet transmit light source control parameters 9131,9133,9135 operation and function thereof between main control component 91, light source control assembly 93 and light source assembly 95 threes, all identical with the described preferred embodiment of Fig. 2, so do not repeat them here.
In sum, the invention provides the control method of a kind of portable electronic devices and light source thereof, to respond chroma and the brightness of various light source control parameters and then control light source.In addition, see through a plurality of light source control parameters are stored in main control component, and the light source control parameters that is used or the light source control parameters often used can be selected and be stored in prestrain unit in the light source control assembly.Thus, not only can reduce the memory span in the light source control assembly, but also can reduce the control needed adjustment time of light-source brightness, and then shorten the switching time of the brightness of light source.
The above embodiments only are used for exemplifying enforcement aspect of the present invention, and explain technical characterictic of the present invention, are not to limit category of the present invention.Any be familiar with this operator can unlabored change or the arrangement of isotropism all belong to the scope that the present invention advocates, interest field of the present invention should be as the criterion with claim.
Claims (8)
1. portable electronic devices comprises:
One main control component, comprise a memory and a microprocessor, this memory is electrically connected at this microprocessor, this memory is in order to store one first group of light source control parameters and at least one second group of light source control parameters, this microprocessor is in order to receiving an input signal, and responds this input signal and certainly select and capture this first group of light source control parameters and export this first group of light source control parameters in this memory;
One light source control assembly, comprise a control module, one first prestrain unit and one second prestrain unit, this the first prestrain unit is in order to receive and to store this first group of light source control parameters of this main control component output, this control module is in order to receiving this first group of light source control parameters of this main control component output, and responds this first group of light source control parameters and produce a light source control signal and a prestrain signal; And
One light source assembly is electrically connected by this light source control assembly and this main control component, in order to producing a light source, and receives this light source control signal to control a brightness of this light source;
Wherein, this prestrain signal exports this main control component to by this light source control assembly, this prestrain signal of the microprocessor responds of this main control component should be at least one second group of light source control parameters output and be stored to this light source control assembly, and be stored to this second prestrain unit by this control module of this light source control assembly.
2. portable electronic devices according to claim 1, it is characterized in that this light source control assembly also comprises an interface, this first group of light source control parameters, this at least one second group of light source control parameters and this prestrain signal are that this interface is an I by this interface transmission
2C bus, a USB, an IEEE 1394 buses and a serial peripheral interface one of them.
3. portable electronic devices according to claim 1 is characterized in that this control module also comprises:
One access subelement in order to receiving this first group of light source control parameters of this main control component output, and produces an access instruction according to this first group of light source control parameters;
One carries out subelement, in order to carrying out this access instruction, and exports one and drives signal; And
One I/O control subelement in order to receiving this driving signal, and is exported this light source control signal according to this driving signal, to control the brightness of this light source.
4. portable electronic devices according to claim 1, it is characterized in that this light source assembly is comprised of an emitting red light unit, a green emitting unit and a blue-light-emitting unit, this emitting red light unit is in order to produce a red light source, this green emitting unit is in order to produce a green light source, this blue-light-emitting unit is in order to producing a blue-light source, and this light source is to be mixed and produced by this red light source, this green light source and this blue-light source.
5. portable electronic devices according to claim 4, it is characterized in that this first group of light source control parameters has a red data, a green data and a blue data, this light source control signal responds the brightness that this red data is controlled this red light source, respond this green data and control a brightness of this green light source, and respond the brightness that this blue data is controlled this blue-light source.
6. control method that is used in a light source of a portable electronic devices, this control method comprises:
Receive an input signal;
Respond this input signal, export one first group of light source control parameters;
This first group of light source control parameters is stored in the prestrain unit;
Respond this first group of light source control parameters, produce a light source control signal and a prestrain signal;
Respond this prestrain signal, at least one second group of light source control parameters is stored in the one second prestrain unit; And
Control a brightness of this light source according to this light source control signal.
7. control method according to claim 6 is characterized in that the step of this generation light source control signal also comprises:
Produce an access instruction according to this first group of light source control parameters;
Carry out this access instruction and export one and drive signal;
Receive this driving signal; And
Export this light source control signal according to this driving signal, to control the brightness of this light source.
8. control method according to claim 6 is characterized in that this light source is to be mixed and produced by a red light source, a green light source and a blue-light source, and the step of wherein controlling the brightness of this light source also comprises:
A red data that responds this first group of light source control parameters is controlled a brightness of this red light source;
A green data that responds this first group of light source control parameters is controlled a brightness of this green light source; And a blue data that responds this first group of light source control parameters is controlled a brightness of this blue-light source.
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| CN1298270A (en) * | 1999-11-26 | 2001-06-06 | 日本电气株式会社 | Incoming call noting pattern set-up circuit and method for mobile phone |
| CN1430344A (en) * | 2001-12-27 | 2003-07-16 | 三洋电机株式会社 | Communication equipment |
| CN1450823A (en) * | 2002-04-10 | 2003-10-22 | 上海迪比特实业有限公司 | Method and device for prompting mobile telephone set information by color LED flashing |
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| CN101737762A (en) | 2010-06-16 |
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