CN109003580A - Current adjusting device and method and display device and host - Google Patents
Current adjusting device and method and display device and host Download PDFInfo
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- CN109003580A CN109003580A CN201810709889.9A CN201810709889A CN109003580A CN 109003580 A CN109003580 A CN 109003580A CN 201810709889 A CN201810709889 A CN 201810709889A CN 109003580 A CN109003580 A CN 109003580A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- Crystallography & Structural Chemistry (AREA)
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Abstract
The disclosure is directed to a kind of current adjusting devices, comprising: signal receiving module receives the first signal relevant to electric current needed for light-emitting component in display module;First generation module generates second signal according to the first signal, wherein second signal includes at least one identification information;Second generation module, the first generation module are used to generate third signal according to the identification information received for identification information to be transmitted to the second generation module, the second generation module correspondingly;Current adjusting module, different current adjusting modules are connected to the different light-emitting components, the electric current that the third signal adjustment generated according to part or all of second generation module passes through light-emitting component.In accordance with an embodiment of the present disclosure, based on different superposition values different degrees of adjustment can be carried out to by the electric current of light-emitting component, so that electric current adjusted is suitable for driving light-emitting component, guarantee that current adjusting device can drive the light-emitting component for needing different electric currents.
Description
Technical field
This disclosure relates to field of display technology more particularly to current adjusting device, display device, host, electric current adjustment side
Method, electronic equipment and computer readable storage medium.
Background technique
Split type television is the TV of display module, host and sound equipment separation, wherein host can be exported to display module
Driving current, to drive light-emitting component in display module.
But the driving current of current host output be it is fixed, the aobvious of the driving current for needing the fixation can only be driven
Show mould group, and the display module for needing other driving currents can not be driven, leads to the narrow scope of application of host.
Summary of the invention
The disclosure provides current adjusting device, display device, host, current adjusting method, electronic equipment and computer can
Storage medium is read, to solve deficiency in the related technology.
According to the first aspect of the embodiments of the present disclosure, a kind of current adjusting device is provided, comprising:
Signal receiving module, for receiving the first signal relevant to electric current needed for light-emitting component in display module;
First generation module is connected to the signal receiving module, for generating second signal according to first signal,
Wherein, the second signal includes at least one identification information;
At least one second generation module, each second generation module are connected to first generation module,
Wherein, each second generation module corresponds respectively to the identification information, and first generation module is used for institute
It states identification information and is transmitted to second generation module correspondingly, second generation module is used for according to the institute received
It states identification information and generates third signal;
At least one current adjusting module, the different current adjusting modules are connected to the different light-emitting components,
And each current adjusting module is connected to the second generation module of some or all of at least one second generation module,
Third signal adjustment for being generated according to part or all of second generation module passes through the electric current of the light-emitting component.
Optionally, second generation module includes:
First switch unit, the first end of the first switch unit are connected to first generation module, and described first
The second end of switch unit is connected to the first level terminal, the third end ground connection of the first switch unit, wherein described first
When the level of the first end of switch unit is the first predetermined level, the second end of the first switch unit and the conducting of third end;
Second switch unit, the first end of the second switch unit are connected to first level terminal, and described second opens
The second end for closing unit is connected to second electrical level end, the third end ground connection of the second switch unit, wherein open described second
When the level for closing the first end of unit is the first predetermined level, the second end of the second switch unit and the conducting of third end;
Third switch unit, the first end of the third switch unit are connected to the second end of the second switch unit,
The second end of the third switch unit is connected to the second electrical level end, wherein in the first end of the third switch unit
Level be the second predetermined level when, the second end of the third switch unit and third end conducting, first level terminal and
The second electrical level end inputs first predetermined level;
First resistor, the first end of the first resistor are connected to the third end of the third switch unit, and described first
The second end of resistance is connected to the current adjusting module.
Optionally, the resistance value of the first resistor in different second generation modules is different.
Optionally, second generation module further include:
Second resistance, one end of the second resistance are connected to first generation module, the second resistance it is another
End is connected to the first end of the first switch unit;
3rd resistor, one end of the 3rd resistor are connected to the first end of the first switch unit, the third electricity
The other end of resistance is grounded;
4th resistance, one end of the 4th resistance are connected to first level terminal, the other end of the 4th resistance
It is connected to the first end of the second switch unit;
5th resistance, one end of the 5th resistance are connected to the first end of the second switch unit, the 5th electricity
The other end of resistance is grounded;
6th resistance, one end of the 6th resistance are connected to the second electrical level end, the other end of the 6th resistance
It is connected to the second end of the second switch unit;
7th resistance, one end of the 7th resistance are connected to the second end of the second switch unit, the 7th electricity
The other end of resistance is connected to the first end of the third switch unit.
Optionally, the current adjusting module includes:
First signal end is used for input reference voltage, is connected to second generation module;
One end of 8th resistance, the 8th resistance is connected to second generation module;
9th resistance, one end of the 9th resistance are connected to the other end of the 8th resistance, the 9th resistance
Other end ground connection;
4th switch unit, the first end of the 4th switch unit are connected to second signal end, and the 4th switch is single
The second end of member is connected to the light-emitting component, and the third end of the 4th switch unit is connected to the another of the 8th resistance
End, wherein when the level of the first end of the 4th switch unit is the first predetermined level, the of the 4th switch unit
Two ends and the conducting of third end;
Second signal end is used for input pulse width modulated signal.
According to the second aspect of an embodiment of the present disclosure, a kind of display device, including display module are provided, further include above-mentioned
Current adjusting device described in one embodiment.
According to the third aspect of an embodiment of the present disclosure, a kind of host is provided, the host includes any of the above-described embodiment institute
The current adjusting device stated, wherein the host be applied to split type display system, the split type display system further include with
The display module of the host split settings.
According to a fourth aspect of embodiments of the present disclosure, a kind of current adjusting method is provided, comprising:
The electric current according to needed for light-emitting component in display module generates the first signal;
Second signal is generated according to first signal, wherein the second signal includes at least one identification information;
Third signal is generated respectively according to each identification information;
Pass through the electric current of the light-emitting component according to the partly or entirely described third signal adjustment.
According to a fifth aspect of the embodiments of the present disclosure, a kind of electronic equipment is provided, comprising:
Processor;
Memory for storage processor executable instruction;
Wherein, the processor is configured to:
The electric current according to needed for light-emitting component in display module generates the first signal;
Second signal is generated according to first signal, wherein the second signal includes at least one identification information;
Third signal is generated respectively according to each identification information;
Pass through the electric current of the light-emitting component according to the partly or entirely described third signal adjustment.
According to a sixth aspect of an embodiment of the present disclosure, a kind of computer readable storage medium is provided, calculating is stored thereon with
Machine program, the program perform the steps of when being executed by processor
The electric current according to needed for light-emitting component in display module generates the first signal;
Second signal is generated according to first signal, wherein the second signal includes at least one identification information;
Third signal is generated respectively according to each identification information;
Pass through the electric current of the light-emitting component according to the partly or entirely described third signal adjustment.
The technical scheme provided by this disclosed embodiment can include the following benefits:
As can be seen from the above embodiments, the different electric currents as needed for light-emitting component correspond to the first different signals, and according to
The second signal that the first different signals generates is different, and different second signals includes different identification information, then basis
The third signal that different identification informations generates is different, and the superposition value of at least first third signal is also just different, and then is based on
Different superposition values can carry out different degrees of adjustment to by the electric current of the light-emitting component, so that electric current adjusted
Suitable for driving light-emitting component, guarantee that current adjusting device can drive the light-emitting component for needing different electric currents.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of schematic configuration diagram of the current adjusting device shown in accordance with an embodiment of the present disclosure.
Fig. 2 is the schematic configuration diagram of the second generation module of one kind shown in accordance with an embodiment of the present disclosure.
Fig. 3 is the schematic configuration diagram of the second generation module of another kind shown in accordance with an embodiment of the present disclosure.
Fig. 4 is a kind of schematic configuration diagram of the current adjusting module shown in accordance with an embodiment of the present disclosure.
Fig. 5 is a kind of schematic flow diagram of the current adjusting method shown in accordance with an embodiment of the present disclosure.
Fig. 6 is a kind of schematic block diagram of the device for electric current adjustment shown in accordance with an embodiment of the present disclosure.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
Fig. 1 is a kind of schematic configuration diagram of the current adjusting device shown in accordance with an embodiment of the present disclosure.The present embodiment institute
The current adjusting device shown can be adapted for display system, such as TV, computer screen etc., wherein the display system can be with
It is split type display system, then the display system may include display module and the host with display module split settings,
In this case, current adjusting device shown in the present embodiment can be adapted for the host.
As shown in Figure 1, the current adjusting device includes:
Signal receiving module 1, for receiving the first signal relevant to electric current needed for light-emitting component in display module.
In one embodiment, display module can the first signal of generation of the electric current according to needed for light-emitting component.Wherein, if hair
Electric current needed for optical element is different, then the first signal generated is different.Display module can transmit the first signal on startup
To signal receiving module 1.Signal receiving module 1 can be communicated with display module by wired mode, can also pass through wireless parties
Formula communication.
In one embodiment, display module can be liquid crystal display die set.In this case, display module can wrap
Display panel and backlight module are included, light-emitting component can be the light emitting diode in backlight module.Display module is also possible to have
Machine diode displaying module.In this case, light-emitting component can be the Organic Light Emitting Diode of display module.
First generation module 2 is connected to the signal receiving module 1, for generating the second letter according to first signal
Number, wherein the second signal includes at least one identification information.
In one embodiment, such as second signal includes an identification information, wherein identification information may include one
Or multiple bits, such as identification information includes a bit, second signal can be 0 or 1, if second signal includes two
Identification information, second signal can be 00 or 01 or 10 or 11.Such as identification information includes two bits, second signal can
To be 00 or 01 or 10 or 11, if second signal includes two identification informations, second signal can be 0000 or 0001, or
0010 or 0011 etc..
Wherein, the number for the identification information that second signal is included, which can according to need, to be configured, and identification information is wrapped
The number of the bit included, which also can according to need, to be configured.Following embodiment is mainly in the feelings that identification information includes a bit
Condition illustrates.
In one embodiment, the incidence relation of the first signal and the second signal can be stored in advance in current adjusting device,
First generation module 2 is based on the incidence relation, can generate second signal according to the first signal, wherein the first different letters
Number corresponding second signal is different, namely for electric current different needed for light-emitting component, the second signal of generation is also different.
In one embodiment, as it appears from the above, display module can the electric current according to needed for light-emitting component generate the first signal,
Such as electric current needed for light-emitting component is 0.25A, then the first signal can be 0.25, if electric current needed for light-emitting component is 0.5A,
So the first signal can be 0.5.The incidence relation of the first signal and the second signal, example can be stored in advance in current adjusting device
If the first signal 0.25 is associated with second signal 00, the first signal 0.5 is associated with second signal 01, the first signal 1 and the
Binary signal 10 is associated, and the first signal 2 is associated with second signal 11.First generation module is based on the incidence relation, can be with
Second signal is generated according to the first signal, such as the first signal is 0.5, then the second signal generated is 01.
At least one the second generation module 3 (label can for 31,32 ..., 3n, n is nonnegative integer), each described the
Two generation modules 3 are connected to first generation module 2, wherein the quantity and the mark of second generation module
The quantity of information is equal, and first generation module 2 is used to for the identification information to be transmitted to described second correspondingly raw
At module 3, second generation module 3 is used to generate third signal according to the identification information received.
In one embodiment, as shown in Figure 1, showing at least one second generation module 3 is two second generation moulds
The case where block 31 and 32, since the quantity of second signal identification information is equal with the quantity of the second generation module 3, then second believes
It number include two identification informations, one of identification information can be transmitted to second generation module by the first generation module 2
31, another identification information is transmitted to another the second generation module 32.
In one embodiment, third signal can be generated according to the identification information received in the second generation module 3, such as
Second signal is 01, then a third signal A can be generated in the second generation module 31 for receiving identification information 0, is received
A third signal B can be generated in second generation module 32 of identification information 1.
At least one current adjusting module 4, the different current adjusting modules 4 are connected to the different luminous members
Part, and each current adjusting module 4 is connected to some or all of at least one described second generation module 3 second and generates
Module 3, the third signal adjustment for being generated according to part or all of second generation module 3 pass through the light-emitting component
Electric current.
In one embodiment, as shown in Figure 1, showing at least one current adjusting module 4 is that an electric current adjusts mould
The case where block 4, two the second generation modules 31 and 32 can be respectively connected to current adjusting module 4, and will be respectively by generation
Third signal is transmitted to current adjusting module 4.Such as in the case where second signal is 01, what current adjusting module 4 received
The superposition value of third signal is that A and B is superimposed, and in the case where second signal is 00, the third that current adjusting module 4 receives is believed
Number superposition value be that A and C are superimposed.
Such as electric current needed for light-emitting component is 0.5A, then the first signal 0.5 can be sent to signal by display module
Receiving module.
After first generation module gets the first signal 0.5 from signal receiving module, it can be generated according to the first signal 0.5
Second signal 01, and then 0 in second signal can be transmitted to the second generation module 31 by the first generation module, by second signal
In 1 be transmitted to the second generation module 32.
Second generation module 31 can be the electric current that value is 0 according to the third signal that identification information 0 generates, and second generates mould
Block 32 can be the electric current that value is X according to the third signal that identification information 1 generates.
If the electricity that current adjusting module passes through light-emitting component according to the third signal adjustment that all the second generation module generates
Stream, then the electric current that the second generation module 31 and the second generation module 32 generate can be superimposed, obtained third signal is value
For the electric current of X, and then according to the electric current adjustment that value is X by the electric current of light-emitting component, so that passing through the electric current etc. of light-emitting component
In 0.5A, meet the luminous needs of light-emitting component.
Correspondingly, if electric current needed for light-emitting component is 0.25A, then the second generation module 31 and the second generation module 32
It can generation value be respectively 0 electric current, the superimposed value of two electric currents is still 0, it is seen then that not based on electric current needed for light-emitting component
Together, the third signal of generation is also different, and then current adjusting module can will pass through according to the electric current that value is 0 after superposition
The electric current of light-emitting component is adjusted to 0.25A, to meet the luminous needs of light-emitting component.
The different electric currents as needed for light-emitting component correspond to the first different signals, and are generated according to the first different signals
Second signal it is different, and different second signals includes different identification information, then being generated according to different identification informations
Third signal it is different, the superposition value of at least first third signal is also just different, and then can be to logical based on different superposition values
The electric current for crossing the light-emitting component carries out different degrees of adjustment, so that electric current adjusted is suitable for the luminous member of driving
Part guarantees that current adjusting device can drive the light-emitting component for needing different electric currents.
It should be noted that structure shown by above-described embodiment adjusts only for the electric current by light-emitting component, and it is
The structure that light-emitting component provides driving current does not show that the current adjusting device of the present embodiment may include mentioning for light-emitting component
For the structure of driving current.
In one embodiment, it can according to need the corresponding relationship of setting the second generation module and current adjusting module,
Such as current adjusting device includes five the second generation modules and two current adjusting modules, then can be set wherein three the
Two generation modules are connected to a current adjusting module, other two second generation module 3 is connected to another electric current adjustment mould
Block.
In one embodiment, for the light-emitting component of different number, the current adjusting module of different number can be set,
Such as include less light-emitting component in display panel, then a current adjusting module, which can be set, is respectively connected to each shine
It include more light-emitting component in element, such as display panel, then two current adjusting modules, one of electric current can be set
Adjustment module is connected to a part of light-emitting component, another current adjusting module is connected to another part light-emitting component, to keep away
The electric current for exempting to flow through single current adjusting module is larger and generates problems of excessive heat.
Fig. 2 is the schematic configuration diagram of the second generation module of one kind shown in accordance with an embodiment of the present disclosure.As shown in Fig. 2,
Second generation module 3 includes:
First switch unit 301, the first end of the first switch unit 301 are connected to first generation module 2, institute
The second end for stating first switch unit 301 is connected to the first level terminal VCC1, the third termination of the first switch unit 301
Ground, wherein when the level of the first end of the first switch unit 301 is the first predetermined level, the first switch unit
301 second end and the conducting of third end;
Second switch unit 302, the first end of the second switch unit 302 are connected to the first level terminal VCC1,
The second end of the second switch unit 302 is connected to second electrical level end VCC2, the third termination of the second switch unit 302
Ground, wherein when the level of the first end of the second switch unit 302 is the first predetermined level, the second switch unit
302 second end and the conducting of third end;
Third switch unit 303, the first end of the third switch unit 303 are connected to the second switch unit 302
Second end, the second end of the third switch unit 303 is connected to the second electrical level end VCC2, wherein in the third
When the level of the first end of switch unit 303 is the second predetermined level, the second end of the third switch unit 303 and third end
Conducting, the first level terminal VCC1 and the second electrical level end VCC2 input first predetermined level;
First resistor 304, the first end of the first resistor 304 are connected to the third end of the third switch unit 303,
The second end of the first resistor 304 is connected to the current adjusting module 4.
In one embodiment, such as the first predetermined level is high level, and the second predetermined level is low level namely first
Switch unit 301 and the conducting of 302 high level of second switch unit, the conducting of 303 low level of third switch unit.If first generates mould
The identification information that block 2 inputs is 0 namely low level, then first switch unit 301 turns off, then P point is high level, and second opens
It closes unit 302 to be connected, Q point is low level, then third switch unit 303 is connected, so that the voltage V of the second high level VCC2 can
To be applied to (the resistance value R of first resistor 3041) on, the third signal that the second generation module 3 generates is voltage V1。
Correspondingly, if the identification information of the first generation module 2 input is 1 namely high level, then first switch unit
301 conductings, then P point is low level, and second switch unit 302 turns off, and Q point is high level, then third switch unit 303 closes
It is disconnected, it is applied in first resistor 34 from without voltage, the third signal that the second generation module 3 generates is voltage V1=0.
Embodiment according to Fig.2, the second generation module 3 is in the different identification for receiving the input of the first generation module 2
When information, different third signals can be generated so that current adjusting module 4 can according to different third signals, or
The third signal of person's difference permutation and combination carries out different degrees of adjustment to by the electric current of the light-emitting component.
Optionally, the resistance value of the first resistor 304 in different second generation modules 3 is different.
In one embodiment, by setting the resistance value of the first resistor 304 in different second generation modules 3 to not
Together, the value combination of the identification information in second signal it is identical and in the case where arrange different (such as 10 and 01), multiple second
The superposition value for the third signal that generation module 3 generates is just different.
Such as still by taking Fig. 1 and embodiment illustrated in fig. 2 as an example, first resistor 304 in one of them second generation module 31
Resistance value is R1, the second resistance value in another second generation module 32 is R2, then raw to one second in the first generation module 2
It is 0 at the value that module 31 inputs identification information, when the value to another second generation module 32 input identification information is 1, receives
Third signal to 0 the second generation module 31 generation is V1, receive 1 the second generation module 32 generate third signal be
0, the superposition value of third signal is V1;And if the first generation module 2 inputs the value of identification information to second generation module 31
It is 1, when the value to another second generation module 32 input identification information is 0, receives 1 the second generation module 31 generation
Third signal is V2。
Based on this, the combination of the value of the identification information in second signal is identical and arrange different in the case where can generate not
Same superposition value may be present 2 so that the superposition value of third signal is more as far as possible altogethernKind situation, wherein n is second signal
The quantity of identification information guarantees that current adjusting module can carry out the electric current on light-emitting component according to superposition value as much as possible
Multifarious adjustment.
Fig. 3 is the schematic configuration diagram of the second generation module of another kind shown in accordance with an embodiment of the present disclosure.Such as Fig. 3 institute
Show, second generation module 3 further include:
Second resistance 305, one end of the second resistance 305 are connected to first generation module 2, the second resistance
305 other end is connected to the first end of the first switch unit 301;
3rd resistor 306, one end of the 3rd resistor 306 are connected to the first end of the first switch unit 301, institute
State the other end ground connection of 3rd resistor 306;
4th resistance 307, one end of the 4th resistance 307 are connected to the first level terminal VCC1, the 4th electricity
The other end of resistance 307 is connected to the first end of the second switch unit 302;
One end of 5th resistance 308, the 5th resistance 308 is connected to the first end of the second switch unit 302, institute
State the other end ground connection of the 5th resistance 308;
6th resistance 309, one end of the 6th resistance 309 are connected to the second electrical level end VCC2, the 6th electricity
The other end of resistance 309 is connected to the second end of the second switch unit 302;
One end of 7th resistance 310, the 7th resistance 310 is connected to the second end of the second switch unit 302, institute
The other end for stating the 7th resistance 310 is connected to the first end of the third switch unit 303.
In one embodiment, by the way that second resistance 305,3rd resistor 306, the 4th resistance 307, the 5th resistance is arranged
308, the safety and stability of circuit can be improved in the 6th resistance 309, the 7th resistance 310.
Fig. 4 is a kind of schematic configuration diagram of the current adjusting module shown in accordance with an embodiment of the present disclosure.As shown in figure 4,
The current adjusting module 4 includes:
First signal end 401 is used for input reference voltage, is connected to second generation module 3;
8th resistance, 402 (resistance value R3), one end of the 8th resistance 402 is connected to second generation module 3;
9th resistance 403, one end of the 9th resistance 403 are connected to the other end of the 8th resistance 402, and described
The other end of nine resistance 403 is grounded;
4th switch unit 404, the first end of the 4th switch unit 404 are connected to second signal end 405, and described
The second end of four switch units 404 is connected to the light-emitting component 5, and the third end of the 4th switch unit 404 is connected to institute
State the other end of the 8th resistance 402, wherein the 4th switch unit 404 first end level be the first predetermined level
When, the second end of the 4th switch unit 404 and third end are connected;
Second signal end 405 is used for input pulse width modulated signal.
In one embodiment, since the first signal end 401 can be with input reference voltage, from regardless of third signal is folded
It is value added be it is how many, the voltage value of M point remains unchanged.
Wherein, the voltage V of M pointMThe voltage V applied equal to N point in M point0And each second generation module 3 applies in M point
The sum of voltage.
Such as in the case where only one second generation module 31, when the identification information that the second generation module 31 receives
Value be 0, then third signal namely second electrical level end VCC2 that the second generation module 31 generates are applied to the voltage of M point:
V1=V (R3+R9)/(R1+R3+R9);
And the voltage that N point applies in M point:
V0=VN*R1/(R1+R3);
It should be noted that V0Be assuming that V=0 in the case where acquire, according to the electricity of the available M point of principle of stacking
Pressure:
VM=V0+V1。
And then it can determine the voltage value of N point:
VN=(VM-V1)*(R1+R3)/R1;
Pass through 403 (resistance value R of the 9th resistance9) electric current:
I9=VN/R9。
Such as there are two the second generation module 3, one is the second generation module 31, another is the second generation module 32
In the case where, when the value for the identification information that the second generation module 31 and the second generation module 32 receive all is 0, second generates mould
First resistor R in block 311With the first resistor R in the second generation module 322It is equivalent to parallel connection, and the second generation module 31
It is identical with the second signal end VCC2 that the second generation module 32 is connected, so what two the second generation modules (31 and 32) generated
The voltage that third signal namely second signal end VCC2 apply in M point:
V1'=V (R3+R9)/(R’+R3+R9), wherein R '=R1*R2/(R1+R2);
And the voltage that N point applies in M point:
V0'=VN*R’/(R’+R3);
It should be noted that V0' be assuming that V=0 in the case where acquire, according to the available M point of principle of stacking
Voltage:
VM'=V0’+V1’。
And then it can determine the voltage value of N point:
VN'=(VM’-V1’)*(R’+R3)/R';
Pass through 403 (resistance value R of the 9th resistance9) electric current:
I9=VN’/R9。
In one embodiment, second signal end 405 is by input pulse width modulated signal, so that the 4th switch unit
404 can periodically be connected, and in the case where the conducting of the 4th switch unit 404, pass through the electric current I of light-emitting component 50It is equal to
Pass through the electric current I of the 9th resistance 4039Namely I0=I9=VN/R9, however in the case where the superposition value of third signal difference,
VCC2 voltage V is different in the voltage that M point generates, so that the voltage value V of N pointNDifference, so that passing through the 9th resistance
403 electric current I9Difference, namely make the electric current I by light-emitting component 50Difference, realize according to the superposition value of third signal come
Adjustment passes through the electric current I of light-emitting component 50。
It should be noted that the first switch unit 301, second switch unit 302, third switch in above-described embodiment are single
Member 303 and the 4th switch unit 404, can be transistor, also can triode, specifically can according to need and selected.
Embodiment of the disclosure also proposed a kind of display device, including display module, further include any of the above-described embodiment
The current adjusting device.
Embodiment of the disclosure also proposed a kind of host, and the host includes electric current tune described in any of the above-described embodiment
Engagement positions, wherein the host is applied to split type display system, and the split type display system further includes and the host point
The display module of body setting.
Since host includes above-mentioned current adjusting device, it can be adapted for the luminous member of driving demand difference electric current
Part, to effectively improve the scope of application of host.Wherein, the display module can be liquid crystal display die set, be also possible to
Organic light-emitting diode display mould group.
Embodiment of the disclosure also proposed a kind of current adjusting method, and Fig. 5 is shown in accordance with an embodiment of the present disclosure
A kind of schematic flow diagram of current adjusting method, as shown in Figure 5, which comprises
In step sl, the electric current according to needed for light-emitting component in display module generates the first signal;
In step s 2, second signal is generated according to first signal, wherein the second signal includes at least one
Identification information;
In step s3, third signal is generated according to each identification information respectively;
In step s 4, pass through the electric current of the light-emitting component according to the partly or entirely described third signal adjustment.
In one embodiment, the current adjusting method can be realized based on current adjusting device shown in FIG. 1, can also
Realized with can be realized the structure of step in this method based on other, the disclosure to this with no restriction.
According to the present embodiment, the different electric currents as needed for light-emitting component correspond to the first different signals, and according to difference
The second signal that generates of the first signal it is different, and different second signals includes different identification information, then according to difference
The third signal that generates of identification information it is different, the superposition value of part or all of third signal is also just different, and then based on difference
Superposition value can carry out different degrees of adjustment to by the electric current of the light-emitting component, so that electric current adjusted is applicable in
In driving light-emitting component, guarantee that current adjusting device can drive the light-emitting component for needing different electric currents.
In one embodiment, the third signal generated according to the identification information of different arrangements is different.Based on this,
The value of identification information in second signal combines identical and can generate different superposition values in the case where arrangement difference, so that the
The superposition value of three signals is more as far as possible, and 2 may be present altogethernKind situation, wherein n is the quantity of the identification information of second signal, is protected
Card can carry out multifarious adjustment to the electric current on light-emitting component according to superposition value as much as possible.
Embodiment of the disclosure also proposed a kind of electronic equipment, comprising:
Processor;
Memory for storage processor executable instruction;
Wherein, the processor is configured to:
The electric current according to needed for light-emitting component in display module generates the first signal;
Second signal is generated according to first signal, wherein the second signal includes at least one identification information;
Third signal is generated respectively according to each identification information;
Pass through the electric current of the light-emitting component according to the partly or entirely described third signal adjustment.
Embodiment of the disclosure also proposed a kind of computer readable storage medium, be stored thereon with computer program, should
It is performed the steps of when program is executed by processor
The electric current according to needed for light-emitting component in display module generates the first signal;
Second signal is generated according to first signal, wherein the second signal includes at least one identification information;
Third signal is generated respectively according to each identification information;
Pass through the electric current of the light-emitting component according to the partly or entirely described third signal adjustment.
Fig. 6 is a kind of schematic block diagram of the device 600 for electric current adjustment shown in accordance with an embodiment of the present disclosure.Example
Such as, device 600 can be mobile phone, computer, digital broadcasting terminal, messaging device, game console, and plate is set
It is standby, Medical Devices, body-building equipment, personal digital assistant etc..
Referring to Fig. 6, device 600 may include following one or more components: processing component 602, memory 604, power supply
Component 606, multimedia component 608, audio component 610, the interface 612 of input/output (I/O), sensor module 614, and
Communication component 616.
The integrated operation of the usual control device 600 of processing component 602, such as with display, telephone call, data communication, phase
Machine operation and record operate associated operation.Processing component 602 may include that one or more processors 620 refer to execute
It enables, to perform all or part of the steps of the methods described above.In addition, processing component 602 may include one or more modules, just
Interaction between processing component 602 and other assemblies.For example, processing component 602 may include multi-media module, it is more to facilitate
Interaction between media component 608 and processing component 602.
Memory 604 is configured as storing various types of data to support the operation in device 600.These data are shown
Example includes the instruction of any application or method for operating on device 600, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 604 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 606 provides electric power for the various assemblies of device 600.Power supply module 606 may include power management system
System, one or more power supplys and other with for device 600 generate, manage, and distribute the associated component of electric power.
Multimedia component 608 includes the screen of one output interface of offer between described device 600 and user.One
In a little embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touch sensings
Device is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding action
Boundary, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more matchmakers
Body component 608 includes a front camera and/or rear camera.When device 600 is in operation mode, such as screening-mode or
When video mode, front camera and/or rear camera can receive external multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 610 is configured as output and/or input audio signal.For example, audio component 610 includes a Mike
Wind (MIC), when device 600 is in operation mode, when such as call mode, recording mode, and voice recognition mode, microphone is matched
It is set to reception external audio signal.The received audio signal can be further stored in memory 604 or via communication set
Part 616 is sent.In some embodiments, audio component 610 further includes a loudspeaker, is used for output audio signal.
I/O interface 612 provides interface between processing component 602 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and lock
Determine button.
Sensor module 614 includes one or more sensors, and the state for providing various aspects for device 600 is commented
Estimate.For example, sensor module 614 can detecte the state that opens/closes of device 600, and the relative positioning of component, for example, it is described
Component is the display and keypad of device 600, and sensor module 614 can be with 600 1 components of detection device 600 or device
Position change, the existence or non-existence that user contacts with device 600,600 orientation of device or acceleration/deceleration and device 600
Temperature change.Sensor module 614 may include proximity sensor, be configured to detect without any physical contact
Presence of nearby objects.Sensor module 614 can also include optical sensor, such as CMOS or ccd image sensor, at
As being used in application.In some embodiments, which can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 616 is configured to facilitate the communication of wired or wireless way between device 600 and other equipment.Device
600 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or their combination.In an exemplary implementation
In example, communication component 616 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 616 further includes near-field communication (NFC) module, to promote short range communication.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 600 can be believed by one or more application specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for executing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, example are additionally provided
It such as include the memory 604 of instruction, above-metioned instruction can be executed by the processor 620 of device 600 to complete the above method.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
Those skilled in the art will readily occur to its of the disclosure after considering specification and practicing disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (10)
1. a kind of current adjusting device characterized by comprising
Signal receiving module, for receiving the first signal relevant to electric current needed for light-emitting component in display module;
First generation module is connected to the signal receiving module, for generating second signal according to first signal,
In, the second signal includes at least one identification information;
At least one second generation module, each second generation module are connected to first generation module, wherein
Each second generation module corresponds respectively to the identification information, and first generation module is used for the mark
Information is transmitted to second generation module correspondingly, and second generation module is used for according to the mark received
Information generates third signal;
At least one current adjusting module, the different current adjusting modules are connected to the different light-emitting components, and every
A current adjusting module is connected to the second generation module of some or all of at least one second generation module, is used for
The third signal adjustment generated according to part or all of second generation module passes through the electric current of the light-emitting component.
2. current adjusting device according to claim 1, which is characterized in that second generation module includes:
First switch unit, the first end of the first switch unit are connected to first generation module, the first switch
The second end of unit is connected to the first level terminal, the third end ground connection of the first switch unit, wherein in the first switch
When the level of the first end of unit is the first predetermined level, the second end of the first switch unit and the conducting of third end;
Second switch unit, the first end of the second switch unit are connected to first level terminal, the second switch list
The second end of member is connected to second electrical level end, the third end ground connection of the second switch unit, wherein in the second switch list
When the level of the first end of member is the first predetermined level, the second end of the second switch unit and the conducting of third end;
Third switch unit, the first end of the third switch unit is connected to the second end of the second switch unit, described
The second end of third switch unit is connected to the second electrical level end, wherein in the electricity of the first end of the third switch unit
When putting down as the second predetermined level, the second end of the third switch unit and the conducting of third end, first level terminal and described
Second electrical level end inputs first predetermined level;
First resistor, the first end of the first resistor are connected to the third end of the third switch unit, the first resistor
Second end be connected to the current adjusting module.
3. current adjusting device according to claim 2, which is characterized in that the institute in different second generation modules
The resistance value for stating first resistor is different.
4. current adjusting device according to claim 2, which is characterized in that second generation module further include:
Second resistance, one end of the second resistance are connected to first generation module, and the other end of the second resistance connects
It is connected to the first end of the first switch unit;
3rd resistor, one end of the 3rd resistor are connected to the first end of the first switch unit, the 3rd resistor
Other end ground connection;
4th resistance, one end of the 4th resistance are connected to first level terminal, the other end connection of the 4th resistance
To the first end of the second switch unit;
5th resistance, one end of the 5th resistance are connected to the first end of the second switch unit, the 5th resistance
Other end ground connection;
6th resistance, one end of the 6th resistance are connected to the second electrical level end, the other end connection of the 6th resistance
To the second end of the second switch unit;
7th resistance, one end of the 7th resistance are connected to the second end of the second switch unit, the 7th resistance
The other end is connected to the first end of the third switch unit.
5. current adjusting device according to any one of claim 1 to 4, which is characterized in that the current adjusting module
Include:
First signal end is used for input reference voltage, is connected to second generation module;
One end of 8th resistance, the 8th resistance is connected to second generation module;
9th resistance, one end of the 9th resistance are connected to the other end of the 8th resistance, the 9th resistance it is another
End ground connection;
4th switch unit, the first end of the 4th switch unit are connected to second signal end, the 4th switch unit
Second end is connected to the light-emitting component, and the third end of the 4th switch unit is connected to the other end of the 8th resistance,
Wherein, when the level of the first end of the 4th switch unit is the first predetermined level, the second of the 4th switch unit
End and the conducting of third end;
Second signal end is used for input pulse width modulated signal.
6. a kind of display device, which is characterized in that further include electricity described in any one of claims 1 to 5 including display module
Flow adjusting device.
7. a kind of host, which is characterized in that the host includes current adjusting device described in any one of claims 1 to 5,
Wherein, the host is applied to split type display system, and the split type display system further includes and the host split settings
Display module.
8. a kind of current adjusting method characterized by comprising
The electric current according to needed for light-emitting component in display module generates the first signal;
Second signal is generated according to first signal, wherein the second signal includes at least one identification information;
Third signal is generated respectively according to each identification information;
Pass through the electric current of the light-emitting component according to the partly or entirely described third signal adjustment.
9. a kind of electronic equipment characterized by comprising
Processor;
Memory for storage processor executable instruction;
Wherein, the processor is configured to:
The electric current according to needed for light-emitting component in display module generates the first signal;
Second signal is generated according to first signal, wherein the second signal includes at least one identification information;
Third signal is generated respectively according to each identification information;
Pass through the electric current of the light-emitting component according to the partly or entirely described third signal adjustment.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
It is performed the steps of when execution
The electric current according to needed for light-emitting component in display module generates the first signal;
Second signal is generated according to first signal, wherein the second signal includes at least one identification information;
Third signal is generated respectively according to each identification information;
Pass through the electric current of the light-emitting component according to the partly or entirely described third signal adjustment.
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1041568A (en) * | 1996-05-03 | 1998-02-13 | Xerox Corp | Laser diode driving chip |
CN1423807A (en) * | 2000-02-22 | 2003-06-11 | 萨尔诺夫公司 | A method and apparatus for calibrating display devices and automatically compensating for loss in their efficiency over time |
US6691235B1 (en) * | 2000-07-27 | 2004-02-10 | International Business Machines Corporation | Automatic voltage regulation for processors having different voltage requirements and unified or split voltage planes |
CN101976012A (en) * | 2010-09-16 | 2011-02-16 | 青岛海信电器股份有限公司 | Method and device for regulating brightness of light source as well as laser projection equipment |
CN101577999B (en) * | 2008-05-06 | 2012-07-04 | 仁齐企业有限公司 | Circuit device of light-emitting diode (LED) drive stabilizing system |
CN106297674A (en) * | 2015-05-18 | 2017-01-04 | 青岛海信电器股份有限公司 | A kind of backlight brightness control method, device and display device |
CN106357895A (en) * | 2016-08-31 | 2017-01-25 | 上海斐讯数据通信技术有限公司 | Caller prompting system and caller prompting method |
US20170038823A1 (en) * | 2015-08-05 | 2017-02-09 | Samsung Electronics Co., Ltd. | Display apparatus, power supply, and power control method thereof |
CN107103891A (en) * | 2017-01-20 | 2017-08-29 | 艾体威尔电子技术(北京)有限公司 | A kind of method that color/graphics is used in small internal memory embedded system |
-
2018
- 2018-07-02 CN CN201810709889.9A patent/CN109003580B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1041568A (en) * | 1996-05-03 | 1998-02-13 | Xerox Corp | Laser diode driving chip |
CN1423807A (en) * | 2000-02-22 | 2003-06-11 | 萨尔诺夫公司 | A method and apparatus for calibrating display devices and automatically compensating for loss in their efficiency over time |
US6691235B1 (en) * | 2000-07-27 | 2004-02-10 | International Business Machines Corporation | Automatic voltage regulation for processors having different voltage requirements and unified or split voltage planes |
CN101577999B (en) * | 2008-05-06 | 2012-07-04 | 仁齐企业有限公司 | Circuit device of light-emitting diode (LED) drive stabilizing system |
CN101976012A (en) * | 2010-09-16 | 2011-02-16 | 青岛海信电器股份有限公司 | Method and device for regulating brightness of light source as well as laser projection equipment |
CN106297674A (en) * | 2015-05-18 | 2017-01-04 | 青岛海信电器股份有限公司 | A kind of backlight brightness control method, device and display device |
US20170038823A1 (en) * | 2015-08-05 | 2017-02-09 | Samsung Electronics Co., Ltd. | Display apparatus, power supply, and power control method thereof |
CN106357895A (en) * | 2016-08-31 | 2017-01-25 | 上海斐讯数据通信技术有限公司 | Caller prompting system and caller prompting method |
CN107103891A (en) * | 2017-01-20 | 2017-08-29 | 艾体威尔电子技术(北京)有限公司 | A kind of method that color/graphics is used in small internal memory embedded system |
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