CN103903541B - A kind of driving method and electronic equipment - Google Patents
A kind of driving method and electronic equipment Download PDFInfo
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- CN103903541B CN103903541B CN201210579359.XA CN201210579359A CN103903541B CN 103903541 B CN103903541 B CN 103903541B CN 201210579359 A CN201210579359 A CN 201210579359A CN 103903541 B CN103903541 B CN 103903541B
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Abstract
A kind of driving method and electronic equipment, wherein, methods described is applied in described electronic equipment, and described electronic equipment includes：Mainboard, first memory element, display control chip, drive control device, the identification information of every kind of flat faced display, flat panel display types, the corresponding relation between driving current information and driving voltage information in the M kind flat panel display types that are stored with described first memory element, M is the integer more than or equal to 2, and methods described includes：Described display control chip obtains the first identification information of described first flat faced display, based on described first identification information and described corresponding relation, determine that described first flat faced display is the first type and the first driving current value of described first flat faced display belonging to described first type and the first driving voltage value, and described first driving current value and described first driving voltage value are sent to described drive control device；Described drive control device exports the first driving current, and the first driving voltage.
Description
Technical field
The present invention relates to driving field, more particularly, to a kind of driving method and electronic equipment.
Background technology
With the development of Display Technique, increasing production firm is added to the production and sales of flat faced display, by
Differ in technology etc. that Mei Jia manufacturer adopts, the flat faced display being generated also is had any different, simultaneously display use enterprise by
Need in cost control, the needs limiting without being bound by or Ji Jia flat faced display manufacturer, typically can select many flat boards
The product of display manufacturer, and the display pannel backlight module parameter of different vendor's different model has very big difference, Jin Er
Can face, when the driver manufacturing display, the problem how driving multiple different model flat faced displays.
For this reason, the method that prior art adopts is as follows：
For the different driver of the backlight characteristics design of the flat faced display of different manufacturers different model that is, each
The flat faced display of individual model needs to design a corresponding driver to drive.
But during present inventor's inventive technique scheme in realizing the embodiment of the present application, find above-mentioned technology extremely
There is following technical problem less：
Due in prior art, need to design a corresponding driver to drive using the flat faced display of each model
Dynamic, so, there is the poor universality leading to due to needing to design different drivers for different model flat faced display
Technical problem.
Content of the invention
The embodiment of the present application is passed through to provide a kind of driving method and a kind of electronic equipment, in order to solve to exist in prior art
The technical problem of the poor universality leading to due to needing to design different drivers for different model flat faced display.
For solving above-mentioned technical problem, the embodiment of the present application one side provides a kind of driving method, is applied to an electronics and sets
In standby, described electronic equipment includes：Mainboard, the first memory element, it is arranged on described mainboard；Display control chip, is arranged on
On described mainboard；Drive control device, is connected with described display control chip, and wherein, be stored with described first memory element M
Plant identification information, flat panel display types, driving current information and the driving of every kind of flat faced display in flat panel display types
Corresponding relation between information of voltage, M is the integer more than or equal to 2, and methods described includes：
When the first flat faced display needs to light to be shown, described display control chip obtains described first flat board
First identification information of display；
Described display control chip is based on described first identification information and described corresponding relation, determines that described first flat board shows
Show that device is the first type in described M kind flat panel display types；
Described display control chip is based on described corresponding relation and described first type, determines and belongs to described first species
First driving current value of described first flat faced display of type and the first driving voltage value, and by described first driving current value
And described first driving voltage value is sent to described drive control device；
Described drive control device exports first driving current corresponding with described first driving current value, and drives with described first
Corresponding first driving voltage of dynamic magnitude of voltage is to described first flat faced display, so that described first flat faced display is described the
Light under the driving of one driving current and described first driving voltage and shown.
Further, described display control chip obtains the first identification information of described first flat faced display, tool
Body is：
Described display control chip obtains the first identification information of described first flat faced display from described mainboard, wherein,
Described first identification information be described first flat faced display be connected to during described mainboard that described mainboard obtains described first flat
The identification information of panel display.
Further, described display control chip is based on described first identification information and described corresponding relation, determines
Described first flat faced display is the first type in described M kind flat panel display types, specifically includes：
Described display control chip reads from described first memory element and obtains described corresponding relation；
Described display control chip is based on described first identification information and described corresponding relation, determines that described first flat board shows
Show that device is the first type in described M kind flat panel display types.
Further, described display control chip has relation based on described correspondence, determines and belongs to described first type
First driving current value of described first flat faced display and the first driving voltage value, specifically include：
Described display control chip reads from described first memory element and obtains described corresponding relation；
Described display control chip has relation based on described correspondence, determines that belong to described first type described first is flat
First driving current value of panel display and the first driving voltage value.
Further, described by described first driving current value and described first driving voltage value be sent to described drive control
Device processed, specially：
System bus management module in described display control chip is based on a default encapsulation format and obtains an encapsulation number
According to described encapsulation of data includes and described first driving current value and the corresponding activation bit of described first driving voltage value；
Described display control chip by described system bus management module and be connected to described display control chip and
System bus between described drive control device, described encapsulation of data is sent to described drive control device.
Further, described drive control device is based on described first driving current value and described first driving voltage value
Export first driving current corresponding with described first driving current value and first driving corresponding with described first driving voltage value
Voltage extremely described first flat faced display, specially：
System bus interface module in described drive control device receives described encapsulation of data；
D/A converter module in described drive control device obtains described encapsulation of data from described system bus interface module,
And according to described encapsulation of data export first driving current reference signal corresponding with described first driving current value, and with described
The corresponding described first driving voltage reference signal of first driving voltage value；
Current differential amplifier in described drive control device based on receive described first driving current reference signal and
The feedback current of the current constant unit output in described drive control device, exports the first differential current signal, described driving control
Voltage difference amplifier in device processed is based in the described first driving voltage reference signal receiving and described drive control device
The feedback voltage of diode output, exports the first difference voltage signal；
Control chip in described drive control device is based on described first differential current signal receiving and described first poor
Dynamic voltage signal, exports the first control signal；
Field effect transistor in described drive control device controls letter based on described first control signal receiving, output second
Number；
The initial current to the power module output in the described electronic equipment receiving for the inductance in described drive control device
Initial voltage and initial voltage enters line translation, after the initial current after output transform, and conversion；
Diode in described drive control device is based on described second control signal receiving, initial after described conversion
Electric current, the initial voltage after described conversion, export described first driving current, and described first driving voltage, wherein, described the
One driving voltage is identical with described feedback voltage.
On the other hand, a kind of electronic equipment is also provided in the embodiment of the present application, including：
Mainboard；
First memory element, is arranged on described mainboard, and wherein, be stored with described first memory element M kind flat board
The identification information of every kind of flat faced display in type of display, flat panel display types, driving current information and driving voltage letter
Corresponding relation between breath, M is the integer more than or equal to 2；
Display control chip, is arranged on described mainboard；
Drive control device, is connected with described display control chip, wherein：
When the first flat faced display needs to light to be shown, described display control chip obtains described first flat board
First identification information of display；
Described display control chip is based on described first identification information and described corresponding relation, determines that described first flat board shows
Show that device is the first type in described M kind flat panel display types；And it is based on described corresponding relation and described first species
Type, determines the first driving current value of described first flat faced display and first driving voltage value of described first type, and
Described first driving current value and described first driving voltage value are sent to described drive control device；
Described drive control device is based on described first driving current value and described first voltage motivation value output and described the
One driving current value corresponds to the first driving current, and first driving voltage corresponding with described first driving voltage value is to described the
One flat faced display, so that described first flat faced display is in the driving of described first driving current and described first driving voltage
Under light and shown.
Further, described mainboard specifically for：
When described first flat faced display is connected to described mainboard, obtain the mark letter of described first flat faced display
Breath.
Further, described display control chip specifically for：
Obtain the identification information of described first flat faced display from described mainboard；
Read from described first memory element and obtain described corresponding relation；
Based on described first identification information and described corresponding relation, determine that described first flat faced display is that described M kind is put down
The first type in panel display type；
Based on described corresponding relation, determine the first driving of described first flat faced display belonging to described first type
Current value and the first driving voltage value.
Further, described display control chip includes：
System bus management module, for based on a default encapsulation format encapsulation and described first driving current value and described
The corresponding activation bit of first driving voltage value, and obtain encapsulation of data.
Further, described electronic equipment also includes：
System bus, is connected between described display control chip and described drive control device, for by described encapsulation of data
It is sent to described drive control device.
Further, described electronic equipment also includes：
Power module, for providing initial current, and initial voltage.
Further, described drive control device includes：
System bus interface module, for receiving described encapsulation of data；
D/A converter module, is connected with described system bus interface module, for obtaining from described system bus interface module
Obtain described encapsulation of data, and according to described encapsulation of data output first driving current ginseng corresponding with described first driving current value
Examine signal, and described first driving voltage reference signal corresponding with described first driving voltage value；
Current constant unit, is connected with described first flat faced display, for permanent from described first flat faced display pull-out
Fixed feedback current；
Current differential amplifier, is connected to described D/A converter module, the current constant unit of described drive control device with
Between the control chip of described drive control device, for receiving in described first driving current reference signal and described drive control device
The output of current constant unit described feedback current, and export the first differential current signal；
Voltage difference amplifier, is connected to described D/A converter module, the diode of described drive control device and described control
Chip chamber processed, for receiving described first driving voltage reference signal, the feedback electricity of the diode output of described drive control device
Pressure, and export the first difference voltage signal；
Control chip, connects described current differential amplifier, described voltage difference amplifier, for based on described in reception
First differential current signal, and described first difference voltage signal, export the first control signal；
Field effect transistor, connects described control chip, for based on described first control signal receiving, output second control
Signal；
Inductance, connects described power module, and for described initial current, and described initial voltage enters line translation, and defeated
Go out the initial voltage after the initial current after conversion, and conversion；
Diode, connects described field effect transistor, described inductance, for based on described second control signal, after described conversion
Initial current, and the initial voltage after described conversion, export described first driving current, and described first driving voltage, its
In, described first driving voltage is identical with described feedback voltage.
The application, by one or more technical schemes provided above, at least has the advantages that or advantage：
Due to the mark letter using every kind of flat faced display in the M kind flat panel display types that are stored with the memory unit
Breath, flat panel display types, the corresponding relation between driving current information and driving voltage information, display control chip is according to acquisition
Described flat faced display identification information, determine the type of described flat faced display, and determine the drive of described flat faced display
Dynamic information, the method then activation bit of described flat faced display being sent to by drive control device by system bus, described
Drive control device can export drive corresponding with described activation bit according to the activation bit of the described flat faced display receiving
Streaming current, and driving voltage, so, efficiently solve and exist in prior art due to for different model flat faced display needs
The technical problem of the poor universality designing different drivers and leading to is it is achieved that a kind of driver self adaptation drives multiple flat boards
The technique effect of display.
Brief description
Fig. 1 is the drive control method flow diagram in the embodiment of the present application；
It is divided into the block diagram of electronic equipment in the embodiment of the present application in the middle part of Fig. 2 dotted line frame；
Fig. 3 is the mainboard in the embodiment of the present application electronic equipment, drive control device and the first flat faced display attachment structure
Figure；
It is divided into the block diagram of the drive control device in the embodiment of the present application electronic equipment in the middle part of Fig. 4 dotted line frame.
Specific embodiment
The embodiment of the present application is passed through to provide a kind of driving method and a kind of electronic equipment, in order to solve to exist in prior art
The technical problem of the poor universality leading to due to needing to design different drivers for different model flat faced display.
Technical scheme in the embodiment of the present application is to solve above-mentioned technical problem, and general thought is as follows：
A kind of driving method, is applied in an electronic equipment, described electronic equipment includes：Mainboard, the first memory element, if
Put on described mainboard；Display control chip, is arranged on described mainboard；Drive control device, with described display control chip even
Connect, wherein, the mark letter of every kind of flat faced display in the M kind flat panel display types that are stored with described first memory element
Breath, flat panel display types, the corresponding relation between driving current information and driving voltage information, M is the integer more than or equal to 2,
Including：
When the first flat faced display needs to light to be shown, described display control chip obtains described first flat board
First identification information of display；
Described display control chip is based on described first identification information and described corresponding relation, determines that described first flat board shows
Show that device is the first type in described M kind flat panel display types；
Described display control chip is based on described corresponding relation and described first type, determines and belongs to described first species
First driving current value of described first flat faced display of type and the first driving voltage value, and by described first driving current value
And described first driving voltage value is sent to described drive control device；
Described drive control device exports first driving current corresponding with described first driving current value, and drives with described first
Corresponding first driving voltage of dynamic magnitude of voltage is to described first flat faced display, so that described first flat faced display is described the
Light under the driving of one driving current and described first driving voltage and shown.
It can be seen that, due to the mark using every kind of flat faced display in the M kind flat panel display types that are stored with the memory unit
Knowledge information, flat panel display types, the corresponding relation between driving current information and driving voltage information, display control chip according to
The identification information of the described flat faced display obtaining, determines the type of described flat faced display, and determines described flat faced display
Driving current value and driving voltage value, then pass through system bus will the driving current value of described flat faced display and drive electricity
The method that pressure value is sent to drive control device, described drive control device can be according to the driving of the described flat faced display receiving
Current value and driving voltage value, export driving current corresponding with described driving current value, and corresponding with described driving voltage
Driving voltage, so, efficiently solve and exist in prior art due to needing design different for different model flat faced display
Driver and the technical problem of poor universality that leads to it is achieved that a kind of driver self adaptation drives multiple flat faced displays
Technique effect.
In order to be better understood from technique scheme, below in conjunction with Figure of description and specific embodiment to upper
State technical scheme to be described in detail.
Embodiment one
In embodiment one, there is provided a kind of driving method, refer to Fig. 1, apply in an electronic equipment, refer to figure
2, described electronic equipment includes：
Mainboard 201；
First memory element 2011, is arranged on described mainboard 201, wherein, deposits in described first memory element 2011
Contain the identification information of every kind of flat faced display in M kind flat panel display types, flat panel display types, driving current information and
Corresponding relation between driving voltage information, M is the integer more than or equal to 2, the first memory element described in the embodiment of the present application
2011 are specially EEPROM；
Display control chip 2012, is arranged on described mainboard 201；
System bus management module 2012-1, is arranged in described display control chip 2012；
System bus 202, is connected with described system bus management module 2012-1；
System bus interface module 2031, is connected with described system bus 202；
D/A converter module 2032, is connected with described system bus interface module 2031；
Current differential amplifier 2033, is connected to described D/A converter module 2032, current constant unit 2039 and control
Between chip 2035；
Voltage difference amplifier 2034, is connected to described D/A converter module 2032, diode 2038 and control chip
Between 2035；
Control chip 2035, the described current differential amplifier 2033 of connection, described voltage difference amplifier 2034,；
Field effect transistor 2036, connects described control chip 2035；
Power module 204；
Inductance 2037, connects described power module 204；
Diode 2038, connects described inductance 2037, described field effect transistor 2036；
Current constant unit 2039, is connected with the first flat faced display 205；
Wherein, described first flat faced display 205 is connected to described diode 2038 and described current constant unit 2039
Between, described in the present embodiment one, the first flat faced display 205 is specially LM230WF3 model display, i.e. 23 cun of flat boards of LG
Display, now, described first identification information is specially 000B.
Wherein, in the embodiment of the present application, described corresponding relation concrete manifestation is as stored in described first memory element
Correspondence table in 2011, specific as follows：
| Identification information | Flat panel display types | Driving current value (mA) | Driving voltage value (V) |
| 000B | LM230WF3 | 120 | 48 |
| 001B | LM200WD3 | 120 | 60 |
| 010B | LTM200KT10 | 120 | 30 |
| 011B | M200FGE | 65 | 50 |
In the embodiment of the present application, methods described includes：
When the first flat faced display 205 needs to light to be shown, described display control chip 201 obtains institute to S101
State the first identification information of the first flat faced display 205；
Display control chip 201 described in S102 is based on described first identification information and described corresponding relation, determines described the
One flat faced display 205 is the first type in described M kind flat panel display types；
Display control chip 201 described in S103 is based on described corresponding relation and described first type, determines and belongs to described
First driving current value of described first flat faced display 205 of the first type and the first driving voltage value, and by described
One driving current value and described first driving voltage value are sent to described drive control device；
Drive control device described in S104 exports first driving current corresponding with described first driving current value, and with described the
Corresponding first driving voltage of one driving voltage value extremely described first flat faced display, so that described first flat faced display is in institute
State and light under the first driving current and the driving of described first driving voltage and shown.
During implementing, step S101 in the embodiment of the present application method is specially：Described first flat pannel display
When device 205 is connected to described mainboard 201, described mainboard 201 obtains the first identification information of described first flat faced display 211
000B, described display control chip 2012 obtains described first identification information 000B from described mainboard 201.
After by step S101, the method in the embodiment of the present application is put into step S102, and the process of implementing is：
First, described display control chip 2012 reads from described first memory element 2011 and obtains described corresponding pass
System, in the present embodiment, corresponding first identification information 000B, described corresponding relation is specially：Identification information 000B corresponds to
LM230WF3, driving current value 120mA, driving voltage value 48V.
Then, described display control chip 2012 is based on described first identification information 000B and described corresponding relation, determines
Described first flat faced display 205 is the first type in described M kind flat panel display types, described in the embodiment of the present application
Corresponding described first flat faced display of first identification information 000B is specially LM230WF3 model flat faced display.
After by step S102, the method in the embodiment of the present application enters step S103, and S103 implements process
For：
First, described display control chip 2012 reads from described first memory element 2011 and obtains described corresponding pass
System；
Then, described display control chip 2012 is based on described corresponding relation, determines the institute belonging to described first type
State the first driving current value and first driving voltage value of the first flat faced display, in the embodiment of the present application, described control chip
2012 are based on described corresponding relation, determine that corresponding first driving current value of described 23 cun of flat faced displays of LG is 120mA, and
First driving voltage value is 48V；
Then, system bus management module 2012-1 in described display control chip 2012 is based on default encapsulation lattice
Formula obtains an encapsulation of data, and described encapsulation of data includes driving electricity with described first driving current value 120mA and described first
The corresponding activation bit of pressure value 48V, wherein said activation bit also includes the first driving voltage reference value 60V；
Finally, described display control chip 2012 is total by described system bus management module 2012-1 and described system
Line 202, described encapsulation of data is sent to described system bus interface module 2031.
After by step S103, the method in the embodiment of the present application enters step S104, and S104 implements process
For：
First, described system bus interface module 2031 receives described encapsulation of data；
Then, described D/A converter module 2032 obtains described encapsulation of data from described system bus interface module 2031,
And first driving current reference signal 120mA corresponding with described first driving current value is exported according to described encapsulation of data, and
Described first driving voltage reference signal 60V corresponding with described first driving voltage value；
Then, described current differential amplifier 2033 based on receive described first driving current reference signal 120mA and
The feedback current of current constant unit 2039 output in described drive control device, exports the first differential current signal, described drive
Voltage difference amplifier 2034 in movement controller is based on described first driving voltage reference signal 60V receiving and described driving
The feedback voltage 48V of the diode output in controller, exports the first difference voltage signal；
Then, described first differential current signal based on reception for the described control chip 2035, and described first differential electricity
Pressure signal, exports the first control signal；
Then, described field effect transistor 2036, based on described first control signal receiving, exports the second control signal, and institute
State inductance 2037 initial current of power module 204 output in the described electronic equipment receiving and initial voltage are become
Change, the initial current after output transform, and the initial voltage after conversion；
Finally, described diode 2038 is based on described second control signal receiving, the initial current after described conversion,
Initial voltage after described conversion, exports described first driving current 120mA, and described first driving voltage 48V, wherein, institute
State the first driving voltage identical with described feedback voltage, magnitude of voltage is all 48V.
Due to the mark letter using every kind of flat faced display in the M kind flat panel display types that are stored with the memory unit
Breath, flat panel display types, the corresponding relation between driving current information and driving voltage information, display control chip is according to acquisition
Described flat faced display identification information, determine the type of described flat faced display, and determine the drive of described flat faced display
Dynamic information, the method then activation bit of described flat faced display being sent to by drive control device by system bus, described
Drive control device can export drive corresponding with described activation bit according to the activation bit of the described flat faced display receiving
Streaming current, and driving voltage, so, efficiently solve and exist in prior art due to for different model flat faced display needs
The technical problem of the poor universality designing different drivers and leading to is it is achieved that a kind of driver self adaptation drives multiple flat boards
The technique effect of display.
Embodiment two
The embodiment of the present application two provides a kind of electronic equipment, refer to Fig. 3, including：
Mainboard 201；
First memory element 2011, is arranged on described mainboard 201, wherein, deposits in described first memory element 2011
Contain the identification information of every kind of flat faced display in M kind flat panel display types, flat panel display types, driving current information and
Corresponding relation between driving voltage information, M is the integer more than or equal to 2, in the embodiment of the present application, described first memory element
2011 are specially EEPROM, and described corresponding relation concrete manifestation is as stored in the corresponding pass in described first memory element 2011
It is form, specific as follows：
In the present embodiment, the first flat faced display 205 is specially LM230WF3 model flat faced display, and as 23 cun of LG puts down
Panel display, corresponding identification information is 000B；
Display control chip 2012, is arranged on described mainboard 201；
Drive control device 203, is connected with described display control chip 2012, wherein：
When described first flat faced display 205 needs to light to be shown, described display control chip 2012 obtains
First identification information of described first flat faced display 205；
Described display control chip 2012 is based on described first identification information and described corresponding relation, determines that described first is flat
Panel display 205 is the first type in described M kind flat panel display types；And based on described corresponding relation and described the
One type, determines the first driving current value of described first flat faced display 205 and first driving of described first type
Magnitude of voltage, and described first driving current value and described first driving voltage value are sent to described drive control device 203；
Described drive control device 203 be based on described first driving current value and described first voltage motivation value output with described
First driving current value corresponds to the first driving current, and first driving voltage corresponding with described first driving voltage value is extremely described
First flat faced display 205, so that described first flat faced display 205 drives electricity in described first driving current and described first
Light under the driving of pressure and shown.
Below, will be in conjunction with Fig. 3 and Fig. 4, for the concrete structure of part every in the electronic equipment in the embodiment of the present application two
And operation principle is described：
Described mainboard 2011 specifically for：
When described first flat faced display 205 is connected to described mainboard 201, obtain the of described first flat faced display
One identification information 000B.
Described display control chip 2012 specifically for：
First, the identification information 000B of described first flat faced display is obtained from described mainboard 201；
Then, read from described first memory element 2011 and obtain described corresponding relation, described in the embodiment of the present application
Corresponding relation is specially：Identification information 000B corresponds to LM230WF3, driving current value 120mA, driving voltage value 48V；
Finally, based on described first identification information 000B and described corresponding relation, determine described first flat faced display 205
For the first type in described M kind flat panel display types；Based on described corresponding relation, determine and belong to described first type
The first driving current value of described first flat faced display 205 and the first driving voltage value, specifically, the embodiment of the present application
In, according to described first identification information 000B and described corresponding relation, determine that described first flat faced display is LM230WF model
Flat faced display, described first driving current value is 120mA, and described first driving voltage value is 48V.
Described display control chip 2012 includes：
System bus management module 2012-1, for based on a default encapsulation format encapsulation and described first driving current value
120mA and the corresponding activation bit of described first driving voltage value 48V, and obtain encapsulation of data, wherein said activation bit is also
Including the first driving voltage reference value 60V.
Described electronic equipment also includes：
System bus 202, is connected between described system bus management module 2012-1 and described drive control device 203, uses
In described encapsulation of data is sent to described drive control device 203.
Described electronic equipment also includes：
Power module 204, for providing initial current, and initial voltage.
Described drive control device 203, refer to Fig. 4, specifically includes：
System bus interface module 2031, for receiving described encapsulation of data；
D/A converter module 2032, is connected with described system bus interface module 2031, for connecing from described system bus
Mouthful module 2031 obtains described encapsulation of data, and according to described encapsulation of data output corresponding with described first driving current value the
One driving current reference signal 120mA, and described first driving voltage reference signal corresponding with described first driving voltage value
60V；
Current constant unit 2039, is connected with described first flat faced display 205, for from described first flat faced display
The constant feedback current of 205 pull-outs；
Current differential amplifier 2033, is connected to described D/A converter module 2032, and the electric current of described drive control device is permanent
Between the control chip 2035 of order unit 2039 and described drive control device, for receiving described first driving current reference signal
The described feedback current of current constant unit 2039 output in 120mA and described drive control device, and export the first differential electricity
Stream signal；
Voltage difference amplifier 2034, is connected to described D/A converter module 2032, the diode of described drive control device
Between 2038 and described control chip 2035, for receiving described first driving voltage reference signal 60V, described drive control device
The feedback voltage 48V of diode output, and export the first difference voltage signal；
Control chip 2035, connects described current differential amplifier 2033, described voltage difference amplifier 2034, for base
In described first differential current signal receiving, and described first difference voltage signal, export the first control signal；
Field effect transistor 2036, connects described control chip 2035, for based on described first control signal receiving, output
Second control signal；
Inductance 2037, connects described power module 204, and for described initial current, and described initial voltage is become
Change, and the initial voltage after the initial current after output transform, and conversion；
Diode 2038, connects described field effect transistor 2036, described inductance 2037, for controlling letter based on described second
Number, the initial voltage after the initial current after described conversion, and described conversion, export described first driving current, and described the
One driving voltage, wherein, described first driving voltage is identical with described feedback voltage, and magnitude of voltage is all 48V.
Due to the mark letter using every kind of flat faced display in the M kind flat panel display types that are stored with the memory unit
Breath, flat panel display types, the corresponding relation between driving current information and driving voltage information, display control chip is according to acquisition
Described flat faced display identification information, determine the type of described flat faced display, and determine the drive of described flat faced display
Dynamic information, the method then activation bit of described flat faced display being sent to by drive control device by system bus, described
Drive control device can export drive corresponding with described activation bit according to the activation bit of the described flat faced display receiving
Streaming current, and driving voltage, so, efficiently solve and exist in prior art due to for different model flat faced display needs
The technical problem of the poor universality designing different drivers and leading to is it is achieved that a kind of driver self adaptation drives multiple flat boards
The technique effect of display.
Obviously, those skilled in the art can carry out the various changes and modification essence without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprise these changes and modification.
Claims (13)
1. a kind of driving method, is applied in an electronic equipment it is characterised in that described electronic equipment includes：Mainboard, first deposits
Storage unit, is arranged on described mainboard；Display control chip, is arranged on described mainboard；Drive control device, with described display control
Coremaking piece connects, wherein, every kind of flat faced display in the M kind flat panel display types that are stored with described first memory element
Identification information, flat panel display types, the corresponding relation between driving current information and driving voltage information, M is more than or equal to 2
Integer, methods described includes：
When the first flat faced display needs to light to be shown, described display control chip obtains described first flat pannel display
First identification information of device；
Described display control chip is based on described first identification information and described corresponding relation, determines described first flat faced display
For the first type in described M kind flat panel display types；
Described display control chip is based on described corresponding relation and described first type, determines and belongs to described first type
First driving current value of described first flat faced display and the first driving voltage value, and by described first driving current value and institute
State the first driving voltage value and be sent to described drive control device；
Described drive control device exports first driving current corresponding with described first driving current value, and drives electricity with described first
Pressure is worth corresponding first driving voltage to described first flat faced display, so that described first flat faced display is in the described first drive
Light under the driving of streaming current and described first driving voltage and shown.
2. the method for claim 1 is it is characterised in that described first flat board of described display control chip acquisition shows
Show the first identification information of device, specially：
Described display control chip obtains the first identification information of described first flat faced display from described mainboard, wherein, described
First identification information is that described first flat faced display is connected to described first flat board that described mainboard during described mainboard obtains and shows
Show the identification information of device.
3. the method for claim 1 is it is characterised in that described display control chip is based on described first mark letter
Breath and described corresponding relation, determine that described first flat faced display is the first type in described M kind flat panel display types,
Specifically include：
Described display control chip reads from described first memory element and obtains described corresponding relation；
Described display control chip is based on described first identification information and described corresponding relation, determines described first flat faced display
For the first type in described M kind flat panel display types.
4. the method for claim 1 is it is characterised in that described display control chip has relation, really based on described correspondence
Surely the first driving current value of described first flat faced display and first driving voltage value of described first type are belonged to, specifically
Including：
Described display control chip reads from described first memory element and obtains described corresponding relation；
Described display control chip has relation based on described correspondence, determines that described first flat board belonging to described first type shows
Show the first driving current value and first driving voltage value of device.
5. the method as described in claim arbitrary in claim 1-4 it is characterised in that described by described first driving current value and
Described first driving voltage value is sent to described drive control device, specially：
System bus management module in described display control chip is based on a default encapsulation format and obtains an encapsulation of data, institute
State encapsulation of data to include and described first driving current value and the corresponding activation bit of described first driving voltage value；
Described display control chip by described system bus management module and is connected to described display control chip and described
System bus between drive control device, described encapsulation of data is sent to described drive control device.
6. method as claimed in claim 5 is it is characterised in that described drive control device is based on described first driving current
Value and described first driving voltage value export first driving current corresponding with described first driving current value and drive with described first
Corresponding first driving voltage of dynamic magnitude of voltage to described first flat faced display, specially：
System bus interface module in described drive control device receives described encapsulation of data；
D/A converter module in described drive control device obtains described encapsulation of data from described system bus interface module, and root
Export first driving current reference signal corresponding with described first driving current value according to described encapsulation of data, and with described first
The corresponding described first driving voltage reference signal of driving voltage value；
Current differential amplifier in described drive control device is based on the described first driving current reference signal and described receiving
The feedback current of the current constant unit output in drive control device, exports the first differential current signal, described drive control device
In voltage difference amplifier based on receive described first driving voltage reference signal and described drive control device in two poles
The feedback voltage of pipe output, exports the first difference voltage signal；
Control chip in described drive control device is based on described first differential current signal receiving, and described first differential electricity
Pressure signal, exports the first control signal；
Field effect transistor in described drive control device, based on described first control signal receiving, exports the second control signal；
Inductance in described drive control device is to the initial current of the power module output in the described electronic equipment receiving and just
Beginning voltage enters line translation, the initial current after output transform, and the initial voltage after conversion；
Diode in described drive control device is based on described second control signal receiving, the initial electricity after described conversion
Stream, the initial voltage after described conversion, export described first driving current, and described first driving voltage, wherein, described first
Driving voltage is identical with described feedback voltage.
7. a kind of electronic equipment is it is characterised in that described electronic equipment includes：
Mainboard；
First memory element, is arranged on described mainboard, and wherein, be stored with described first memory element M kind flat pannel display
The identification information of every kind of flat faced display in device type, flat panel display types, between driving current information and driving voltage information
Corresponding relation, M is the integer more than or equal to 2；
Display control chip, is arranged on described mainboard；
Drive control device, is connected with described display control chip, wherein：
When the first flat faced display needs to light to be shown, described display control chip obtains described first flat pannel display
First identification information of device；
Described display control chip is based on described first identification information and described corresponding relation, determines described first flat faced display
For the first type in described M kind flat panel display types；And it is based on described corresponding relation and described first type, really
First driving current value of described first flat faced display of fixed described first type and the first driving voltage value, and will be described
First driving current value and described first driving voltage value are sent to described drive control device；
Described drive control device is based on described first driving current value and described first driving voltage value output and described first drive
Galvanic electricity flow valuve corresponds to the first driving current, and first driving voltage corresponding with described first driving voltage value is flat to described first
Panel display, so that described first flat faced display point under the driving of described first driving current and described first driving voltage
Bright and shown.
8. electronic equipment as claimed in claim 7 it is characterised in that described mainboard specifically for：
When described first flat faced display is connected to described mainboard, obtain the identification information of described first flat faced display.
9. electronic equipment as claimed in claim 8 it is characterised in that described display control chip specifically for：
Obtain the identification information of described first flat faced display from described mainboard；
Read from described first memory element and obtain described corresponding relation；
Based on described first identification information and described corresponding relation, determine that described first flat faced display is that described M kind flat board shows
Show the first type in device type；
Based on described corresponding relation, determine the first driving current of described first flat faced display belonging to described first type
Value and the first driving voltage value.
10. electronic equipment as claimed in claim 9 is it is characterised in that described display control chip includes：
System bus management module, is arranged in described display control chip, for based on a default encapsulation format encapsulation and institute
State the first driving current value and the corresponding activation bit of described first driving voltage value, and obtain encapsulation of data.
11. electronic equipments as claimed in claim 10 are it is characterised in that described electronic equipment also includes：
System bus, is connected between described display control chip and described drive control device, for sending described encapsulation of data
To described drive control device.
12. electronic equipments as claimed in claim 11 are it is characterised in that described electronic equipment also includes：
Power module, for providing initial current, and initial voltage.
13. electronic equipments as claimed in claim 12 are it is characterised in that described drive control device includes：
System bus interface module, for receiving described encapsulation of data；
D/A converter module, is connected with described system bus interface module, for obtaining institute from described system bus interface module
State encapsulation of data, and according to described encapsulation of data output first driving current corresponding with described first driving current value with reference to letter
Number, and described first driving voltage reference signal corresponding with described first driving voltage value；
Current constant unit, is connected with described first flat faced display, for constant from described first flat faced display pull-out
Feedback current；
Current differential amplifier, is connected to described D/A converter module, the current constant unit of described drive control device with described
Between the control chip of drive control device, for receiving the electricity in described first driving current reference signal and described drive control device
The described feedback current of stream constant cell output, and export the first differential current signal；
Voltage difference amplifier, is connected to described D/A converter module, the diode of described drive control device and described control core
Between piece, for receiving described first driving voltage reference signal, the feedback voltage of the diode output of described drive control device, and
Export the first difference voltage signal；
Control chip, connects described current differential amplifier, described voltage difference amplifier, for based on described first receiving
Differential current signal, and described first difference voltage signal, export the first control signal；
Field effect transistor, connects described control chip, for based on described first control signal receiving, output second controls letter
Number；
Inductance, connects described power module, and for described initial current, and described initial voltage enters line translation, and exports change
Initial voltage after initial current after changing, and conversion；
Diode, the described field effect transistor of connection, described inductance, for based on described second control signal, first after described conversion
Initial voltage after beginning electric current, and described conversion, exports described first driving current, and described first driving voltage, wherein, institute
State the first driving voltage identical with described feedback voltage.
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| CN201210579359.XA CN103903541B (en) | 2012-12-27 | 2012-12-27 | A kind of driving method and electronic equipment |
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| CN201210579359.XA CN103903541B (en) | 2012-12-27 | 2012-12-27 | A kind of driving method and electronic equipment |
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| CN103903541B true CN103903541B (en) | 2017-03-01 |
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| CN109119040A (en) * | 2018-09-18 | 2019-01-01 | 惠科股份有限公司 | Display device, driving configuration method of display device and display |
| CN111968592B (en) * | 2020-08-28 | 2022-02-22 | 贵州芯源微科技有限公司 | Display control method, liquid crystal panel and storage medium |
| CN113066420B (en) * | 2021-03-30 | 2023-08-18 | 联想(北京)有限公司 | Display panel control method and device and display equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2762261Y (en) * | 2004-12-08 | 2006-03-01 | 南开大学 | Universal and display controller |
| CN2768336Y (en) * | 2004-12-20 | 2006-03-29 | 海信集团有限公司 | Handset with replaceable liquid crystal display screen |
| CN101370202A (en) * | 2008-09-03 | 2009-02-18 | 嘉兴闻泰通讯科技有限公司 | Method for automatic recognition of different display devices by mobile phone |
| CN101986381A (en) * | 2010-11-04 | 2011-03-16 | 中兴通讯股份有限公司 | Method and device for recognizing liquid crystal display screen and terminal |
Family Cites Families (1)
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| KR100736498B1 (en) * | 2002-08-22 | 2007-07-06 | 엘지전자 주식회사 | Method and apparatus for driving a various Liquid Crystal Display in computer system |
-
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2762261Y (en) * | 2004-12-08 | 2006-03-01 | 南开大学 | Universal and display controller |
| CN2768336Y (en) * | 2004-12-20 | 2006-03-29 | 海信集团有限公司 | Handset with replaceable liquid crystal display screen |
| CN101370202A (en) * | 2008-09-03 | 2009-02-18 | 嘉兴闻泰通讯科技有限公司 | Method for automatic recognition of different display devices by mobile phone |
| CN101986381A (en) * | 2010-11-04 | 2011-03-16 | 中兴通讯股份有限公司 | Method and device for recognizing liquid crystal display screen and terminal |
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