CN107978275A - Control signal transmission circuit and method - Google Patents
Control signal transmission circuit and method Download PDFInfo
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- CN107978275A CN107978275A CN201810054927.1A CN201810054927A CN107978275A CN 107978275 A CN107978275 A CN 107978275A CN 201810054927 A CN201810054927 A CN 201810054927A CN 107978275 A CN107978275 A CN 107978275A
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3258—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the voltage across the light-emitting element
-
- 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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3275—Details of drivers for data electrodes
- G09G3/3291—Details of drivers for data electrodes in which the data driver supplies a variable data voltage for setting the current through, or the voltage across, the light-emitting elements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Dc Digital Transmission (AREA)
Abstract
The present invention proposes a kind of control signal transmission circuit, including：Driving chip；Power supply chip；And it is connected to the signal transmission control line between the signal output part of driving chip and the control terminal of power supply chip；Wherein, driving chip is used for multiple power end output voltage values and control terminal output first control signal of the modularization design to control power supply chip successively in a manner of single line communication by signal transmission control line.The embodiment of the present invention realizes the three lines unification of the control terminal of one of enabled control terminal of the prior art, the second control terminal and power supply chip, the signal transmission control line of the control terminal of power supply chip is on the basis of original effect is retained, electric control in segmentation to multiple power end output voltages can be realized in AMOLED devices initial phase, while also simplify the design of power supply chip.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of control signal transmission circuit and method.
Background technology
With the development of display technology, it is referred to as the active matrix organic LED panel of Display Technique of future generation
(Active Matrix/Organic Light Emitting Diode, referred to as：AMOLED application) is also more and more extensive.
The luminescent device of AMOLED for Organic Light Emitting Diode (Organic Light-Emitting Diode, hereinafter referred to as：OLED),
Under the driving of AMOLED driving chips, when there is electric current to flow through luminescent device OLED, OLED shines.But since driving is former
The complexity of reason, AMOLED need more exterior operating voltages compared to common liquid crystals screen, cause in system design end needs
More control signals, this undoubtedly adds the too fat to move property of circuit design.At this stage in the designing scheme of mainstream, AMOLED must
The first supply voltage, second source voltage and the 3rd supply voltage of palpus, mainly pass through driving chip and control enabled control terminal EN
The mode for controlling external power supply chip with the second control terminal SWIRE obtains, and whole circuit design and control are all more complicated.
The content of the invention
In view of this, an embodiment of the present invention provides a kind of control signal transmission circuit and method, AMOLED institutes are simplified
The control of necessary three voltage, while also simplify the design of power supply chip.
An embodiment of the present invention provides a kind of control signal transmission circuit, applied to driving a kind of AMOLED devices, including：
Driving chip, including signal output part；
Power supply chip, including multiple power ends and control terminal；And
It is connected to a signal output part of the driving chip and a control terminal of the power supply chip
Between signal transmission control line；
Wherein, the driving chip be used for modularization design by by the signal transmission control line in a manner of single line communication according to
The multiple power end output voltage values of power supply chip described in secondary control, and control the first control of control terminal output letter
Number.
Wherein, the multiple power end includes the first power end, second source end and the 3rd power end；Wherein described first
Power end exports the first supply voltage value, second source end output second source magnitude of voltage and the 3rd power end output
3rd supply voltage value, and the second source magnitude of voltage and the 3rd supply voltage value are a pair of of generating positive and negative voltage.
Wherein, the signal transmission control line is used for transmission the first power supply electricity corresponding with first supply voltage value
Press data, second source voltage data corresponding with the second source magnitude of voltage and corresponding with the 3rd power values
3rd supply voltage data and first control signal.
Wherein, the first supply voltage data configuration is 5-10 times of first supply voltage value；And/or
The second source voltage data is configured to 5-10 times of the second source magnitude of voltage/the 3rd supply voltage
Data configuration is 5-10 times of the 3rd supply voltage value.
Wherein, the driving chip includes register, is stored with the memory for configuring the initial of the sequential
Change instruction set.
Wherein, the initialization directive collection includes：For configure the first supply voltage data first instruction and
For configuring the second instruction of the second source voltage data and the 3rd supply voltage data.
Wherein, first instruction and/or second instruction are hexadecimal code.
The embodiment of the present invention also proposed a kind of control signal transmission method, applied to a kind of AMOLED devices are driven, wrap
Include：
Control multiple power ends of power supply chip successively in a manner of single line communication by signal transmission control line according to sequential
Output voltage values, and the control terminal output first control signal of the power supply chip.
Wherein, the method is further included：
Configure to transmit the sequential of voltage data and the first control signal.
Wherein, the multiple power end includes the first power end, second source end and the 3rd power end, described according to described
Sequential transmits the first supply voltage data, second source voltage data and the 3rd supply voltage data and the first control letter successively
Number include：
The first instruction is received, exports the first supply voltage data；
The second instruction is received, exports second source voltage data and the 3rd supply voltage data；And
Transmit first control signal.
Wherein, the first supply voltage data of the output include：
High-level retention time generation binary code based on output；And
The binary code is changed into the hexadecimal first supply voltage data；Or
The output second source voltage data and the 3rd supply voltage data include：
High-level retention time generation binary code based on output；And
The binary code is changed into the hexadecimal second source voltage data and the 3rd power supply electricity
Press data.
The embodiment of the present invention also proposed a kind of computer-readable recording medium, be stored thereon with computer program, described
Realized when computer program is executed by processor such as the step of any of the above-described the method.
The embodiment of the present invention realizes one of enabled control terminal in existing scheme, the second control terminal and power supply chip
The three lines unification of control terminal output signal, the signal transmission control line of the control terminal of power supply chip are retaining former effective basis
On, it can realize electric control in segmentation to multiple power end output voltages in AMOLED devices initial phase, at the same it is also simple
The design of power supply chip is changed.
Brief description of the drawings
Fig. 1 show the control signal of power supply chip of the prior art and exports the time diagram of signal.
Fig. 2 show a kind of structure diagram of control signal transmission circuit provided in an embodiment of the present invention.
Fig. 3 show the signal transmission time diagram of signal transmission control line provided in an embodiment of the present invention.
Fig. 4 show the flow diagram of control signal transmission method provided in an embodiment of the present invention.
Fig. 5 show the flow diagram of control signal transmission method provided in an embodiment of the present invention.
Fig. 6 show the flow diagram of control signal transmission method provided in an embodiment of the present invention.
Fig. 7 show the flow diagram of first supply voltage data of output provided in an embodiment of the present invention.
Fig. 8 show output second source voltage data provided in an embodiment of the present invention and the stream of the 3rd supply voltage data
Journey schematic diagram.
Fig. 9 show the flow diagram of control signal transmission method provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained without making creative work
Example is applied, belongs to the scope of protection of the invention.
Fig. 1 show the control signal of power supply chip of the prior art and exports the time diagram of signal.
As shown in Figure 1, in existing technology, in A receptions to the first initialization directive, the signal of enabled control terminal EN
Start to export；In B receptions to the second initialization directive, the second control terminal SWIRE starts to export, SWIRE output pulses 31
Controllable first power end AVDD exports the 3rd supply voltage value, and SWIRE output pulses 32 can control second source end ELVDD defeated
Go out second source magnitude of voltage and the 3rd power end ELVSS exports the 3rd supply voltage value.So can be by enabling control terminal EN's
The interaction of the signal of signal and the second control terminal SWIRE, completes to divide AVDD ends and ELVDD ends and the output of ELVSS ends
Electric control in section.
With reference to figure 1, it is known that the second source magnitude of voltage and the 3rd supply voltage value of ELVDD ends and the output of ELVSS ends are one
To generating positive and negative voltage, ELVDD ends and ELVSS ends almost power at the same time, therefore output that can be to ELVDD ends and ELVSS ends is electric
Pressure controls at the same time.
Fig. 2 show a kind of structure diagram of control signal transmission circuit provided in an embodiment of the present invention.
As shown in Fig. 2, the control signal transmission circuit includes, driving chip 1 includes signal output part 11, power supply chip 3 wraps
Include multiple power ends and control terminal TE and be connected to the signal output part 11 of driving chip 1 and the control terminal TE of power supply chip 3
Between signal transmission control line 2.
Wherein, driving chip 1 is controlled successively for modularization design by by signal transmission control line 2 in a manner of single line communication
Multiple power end output voltage values of power supply chip 3, and control control terminal TE output first control signals 23.
The signal transmission control line 2 for the control terminal TE that the embodiment of the present invention passes through power supply chip 2 is former effective in reservation
On the basis of, it can realize electric control in segmentation to multiple power end output voltages in AMOLED devices initial phase, at the same time
It also simplify the design of power supply chip.
In one embodiment, multiple power ends include the first power end AVDD, second source end ELVDD and the 3rd power supply
Hold ELVSS；The defeated AVDD of wherein the first power end goes out the first supply voltage value, the defeated ELVDD in second source end goes out second source voltage
Value and the 3rd power end ELVSS export the 3rd supply voltage value, and second source magnitude of voltage and the 3rd supply voltage value are a pair
Generating positive and negative voltage.And, it is necessary to control power supply chip 3 by enabled control terminal EN and the second control terminal SWIRE in currently existing scheme
The first power end AVDD export the first supply voltage value；Power supply is controlled by enabled control terminal EN and the second control terminal SWIRE
The second source end ELVDD output second source magnitudes of voltage of chip 3 and the 3rd power end ELVSS export the 3rd supply voltage value.
The embodiment of the present invention realizes enabled control terminal EN, the second control terminal SWIRE and control terminal in existing scheme
The three lines unification of TE, the signal transmission control line 2 of control terminal TE are initial in AMOLED devices on the basis of original effect is retained
The change stage can realize electric control in the segmentation to the output of AVDD ends, ELVDD ends and ELVSS ends, while also simplify power supply core
The design of piece 3.
Fig. 3 show the signal transmission time diagram of signal transmission control line provided in an embodiment of the present invention.
With reference to figure 3, which is used for transmission and corresponding first supply voltage of the first supply voltage value
Data 21, with the corresponding second source voltage data of second source magnitude of voltage and with the 3rd supply voltage value the corresponding 3rd
Supply voltage data 22 and first control signal 23.Wherein first control signal 23 remains original control action, this hair
Specific effect of the bright embodiment to first control signal 23 is not construed as limiting.So signal transmission control line 2 can pass through sampling
Instruction mode is to the first supply voltage data 21, second source voltage data and the 3rd supply voltage data 22 and the first control
Signal 23 is controlled respectively, simplifies the design of control signal transmission circuit.
In one embodiment, the first supply voltage data 21 can be configured to 5-10 times of the first supply voltage value, at this
In inventive embodiments, the first supply voltage data 21 are configured to 10 times of the first supply voltage value.Second source voltage data and
3rd supply voltage data 22 can be configured to 5-10 times of the 5-10 times/the 3rd supply voltage value of second source magnitude of voltage, at this
In inventive embodiments, second source voltage data and the 3rd supply voltage data 22 be configured to 10 times of second source magnitude of voltage/
10 times of 3rd supply voltage value.It should be appreciated, however, that the first supply voltage data 21 and second source voltage data and
Three supply voltage data 22 are configured based on the regulation of communication protocol, the embodiment of the present invention to the first supply voltage data 21 with
And second source voltage data and the 3rd supply voltage data 22 are not specifically limited, the embodiment of the present invention is to the first supply voltage
Relation and second source voltage data and the 3rd supply voltage data 22 between 21 and first supply voltage value of data and
Relation between two supply voltage values and the 3rd supply voltage value is also not especially limited.
In one embodiment, signal transmission control line 2 can use pull-up design, control terminal TE open-drains, so as to strengthen letter
Number output.It should be appreciated, however, that in the design process of actual transmissions circuit, signal transmission control line 2 can also use it
He designs, and the embodiment of the present invention is not especially limited this.
In one embodiment, driving chip 1 includes register, is stored with register initial for configuring above-mentioned sequential
Change instruction set.But because when understanding, designing needs according to actual circuit, register can also be arranged on power supply chip 3, this hair
Bright embodiment does not limit the specific location that register is set.
In one embodiment, initialization directive collection may include：First for configuring the first supply voltage data 21 refers to
Order and the second instruction for configuring second source voltage data and the 3rd supply voltage data 22.Such first instruction and the
Two instructions can integrate design with original initialization instruction set, for example, original initialization directive collection includes clock instruction
And idsplay order etc., the embodiment of the present invention add what is concentrated different from original initialization directive in initialization directive concentration
The first instruction and the second instruction of instruction form new initialization directive collection, so can be with by having expanded initialization directive collection
Realize the controlling of sampling of signal transmission control line 2, without changing hardware circuit, simplify the design of circuit.
In one embodiment, the first instruction can be hexadecimal code, the first supply voltage data 21 can for 16 into
Form processed, it being understood, however, that the first instruction can also be binary system or octal system code, and the first supply voltage data 21 are alternatively
Binary system or octal system, but the embodiment of the present invention is not made to have to the representation of the first instruction and the first supply voltage data 21
Body limits.
In one embodiment, the second instruction is hexadecimal code, second source voltage data and the 3rd supply voltage
Data 22 are Hexadecimal form, it being understood, however, that the second instruction can also be binary system or octal system code, and second source is electric
Press data and the 3rd supply voltage data 22 or binary system or octal system, but the embodiment of the present invention is to the second instruction and the
The representation of two supply voltage data and the 3rd supply voltage data is not especially limited.
Fig. 4 show the flow diagram of control signal transmission method provided in an embodiment of the present invention.
With reference to figure 4, the step of this method, is as follows：
Step 001：Power supply chip 3 is controlled according to sequential successively by signal transmission control line 2 in a manner of single line communication
Multiple power end output voltage values, and the control terminal output first control signal 23 of power supply chip 3.
By above-mentioned steps, be able to can be realized to multiple power end output voltages in AMOLED devices initial phase
Electric control in segmentation, while also simplify the design of power supply chip.
In one embodiment, the method can further comprise：Configuration is believed to transmit voltage data and the first control
Numbers 23 sequential.For example, timing information is formed control instruction on register, in this way, signal transmission control line 2 can be with
The mode of sampling instruction realizes electric control in segmentation to multiple power end output voltages.
Fig. 5 show the flow diagram of control signal transmission method provided in an embodiment of the present invention.
With reference to figure 5, in one embodiment, this method may include following steps：
Step 101：Transmit the first supply voltage data 21, second source voltage data and the 3rd power supply successively according to sequential
Voltage data 22 and first control signal 23.
Can be realized by above-mentioned transfer approach enabled control terminal EN, the second control terminal SWIRE in existing scheme and
The three lines unification of control terminal TE, the signal transmission control line 2 of control terminal TE is on the basis of original effect is retained, in AMOLED devices
Part initial phase can realize electric control in the segmentation to the output of AVDD ends, ELVDD ends and ELVSS ends, also simplify at the same time
The design of power supply chip.
In one embodiment, driving chip 1 controls power supply chip 3 transmitting control line 2 in a manner of single line communication.
Based on above-mentioned setting, transmission control line 2 can complete the first supply voltage data 21, second source voltage data and the 3rd power supply electricity
Press the transmission of data 22 and first control signal 23.
Fig. 6 show the flow diagram of control signal transmission method provided in an embodiment of the present invention.
With reference to figure 6, in one embodiment, this method may include following steps：
Step 1011：The first instruction is received, exports the first supply voltage data 21.
For example, according to communication protocol, when signal transmission control line 2 receives the first instruction i.e. AVDD terminal voltages configuration-direct
When, according to the specific requirement of the first supply voltage data 21 at AVDD ends, exportable first supply voltage data 21.
Fig. 7 show the flow diagram of first supply voltage data of output provided in an embodiment of the present invention.
With reference to figure 7, in one embodiment, the first supply voltage data of output may include following steps：
Step 10111：High level signal retention time generation binary code based on output.
With reference to the second control terminal SWIRE signal pulse cycle 50us in the prior art, 2 transmission signal of control line can will be transmitted
High level keeps 100us~150us to represent logical one；The high level that transmission control line 2 transmits keeps 30us~80us to represent to patrol
Collect " 0 ", such first supply voltage data 21 can be expressed as the form of " 0 " " 1 " binary code.It should be appreciated, however, that this hair
High-level retention time when bright embodiment is to for representing logical one and logical zero is not especially limited.
Step 10112：Binary code is changed into hexadecimal first supply voltage data 21.
Configuration to the first supply voltage data 21 can be realized by the step.
Step 1012：The second instruction is received, exports second source voltage data and the 3rd supply voltage data 22.
For example, according to communication protocol, refer to when signal transmission control line 2 receives the i.e. ELVSS terminal voltages configuration of the second instruction
When making, according to the specific requirement of the second source voltage data at ELVSS ends and the 3rd supply voltage data 22, exportable second electricity
Source voltage data and the 3rd supply voltage data 22.
Fig. 8 show output second source voltage data provided in an embodiment of the present invention and the stream of the 3rd supply voltage data
Journey schematic diagram.
With reference to figure 8, in one embodiment, the first supply voltage data of output comprise the following steps：
Step 10121：High level signal retention time generation binary code based on output.
With step 10111, second source voltage data and the 3rd supply voltage data 22 can be expressed as " 0 " " 1 " binary system
The form of code.
Step 10122：Binary code is changed into hexadecimal second source voltage data and the 3rd supply voltage
Data 22.The configuration to second source voltage data and the 3rd supply voltage data 22 can be realized by the step.
Step 1013：Transmit first control signal 23.
Complete to postpone matching somebody with somebody for above-mentioned first supply voltage data 21 and the 3rd supply voltage data 22, signal transmission control line
2 can normal transmission original first control signal 23.
Pass through above-mentioned steps, it is possible to achieve signal transmission control line 2 chronologically controls the defeated of the first supply voltage data 21
Go out, second source voltage data and the output of the 3rd supply voltage data 22 and the output of first control signal 23.
Fig. 9 show the flow diagram of control signal transmission method provided in an embodiment of the present invention.
This method may also indicate that into form as shown in Figure 9.
Step 011：Start to transmit.
Step 012：Receive the first instruction.First instruction can be 0x11, but the first instruction or other forms, as long as
Other instruction conflicts in original initialization of getting along well instruction set, the embodiment of the present invention are not especially limited this.
Step 013：The first supply voltage data 21 are sent to configure.With reference to step 10111 and step 10112, pass through the step
Suddenly the configuration to the first supply voltage data 21 can be realized.For example, the first supply voltage data 21 can be 0x40, but this hair
Bright embodiment is not construed as limiting the concrete numerical value of the first supply voltage data 21.
Step 014：Receive the second instruction.Second instruction can be 0x22, but the second instruction or other forms, as long as
Other instruction conflicts in original initialization of getting along well instruction set, the embodiment of the present invention are not especially limited this.
Step 015：Send second source voltage data and the 3rd supply voltage data 22 configure.With reference to step 10121 and
Step 10122, the configuration to second source voltage data and the 3rd supply voltage data 22 can be realized by the step.Example
Such as, second source voltage data and the 3rd supply voltage data 22 can be 0x1E, but the embodiment of the present invention is to second source electricity
The concrete numerical value of pressure data and the 3rd supply voltage data 22 is not construed as limiting.
Step 016：Export first control signal 23.
Pass through above-mentioned steps, it is possible to achieve signal transmission control line 2 chronologically controls the defeated of the first supply voltage data 21
Go out, second source voltage data and the output of the 3rd supply voltage data 22 and the output of first control signal 23.
The embodiment of the present invention also proposed a kind of computer-readable recording medium, be stored thereon with computer program, calculate
Machine program can realize the step of method such as preceding any embodiment when being executed by processor.
It should be appreciated that a kind of way of realization of the embodiment of transmission circuit described above can be computer program production
Product, but the method performed by transmission circuit can be realized by the combination according to software, hardware or software and hardware in fact.
Hardware components can be realized using special logic；Software section can store in memory, and system is performed by appropriate instruction
System, such as microprocessor or special designs hardware perform.It will be understood by those skilled in the art that above-mentioned method
It can be realized with equipment using computer executable instructions and/or included in processor control routine, such as in such as magnetic
Disk, the mounting medium of CD or DVD-ROM, the programmable memory or such as optics or electricity of such as read-only storage (firmware)
Such code is provided in the data medium of subsignal carrier.Methods and apparatus of the present invention can be by such as ultra-large collection
Into the semiconductor of circuit OR gate array, logic chip, transistor etc. or such as field programmable gate array, may be programmed
The hardware circuit of the programmable hardware device of logical device etc. is realized, can also use the software performed by various types of processors
Realize, can also be realized by the combination such as firmware of above-mentioned hardware circuit and software.
It should be appreciated that the first and second grade determiners mentioned in the embodiment of the present invention, just to more clearly describe
The technical solution of the embodiment of the present invention uses, can not be limiting the scope of the invention.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Within god and principle, any modification for being made, equivalent substitution etc., should all be included in the protection scope of the present invention.
Claims (11)
- A kind of 1. control signal transmission circuit, applied to a kind of AMOLED devices of driving, it is characterised in that including：Driving chip, including signal output part；Power supply chip, including multiple power ends and control terminal；AndThe signal being connected between the signal output part of the driving chip and the control terminal of the power supply chip passes Defeated control line；Wherein, the driving chip is controlled successively for modularization design by by the signal transmission control line in a manner of single line communication Make the multiple power end output voltage values of the power supply chip, and the control control terminal output first control signal.
- 2. circuit according to claim 1, it is characterised in that the multiple power end includes the first power end, the second electricity Source and the 3rd power end；Wherein described first power end exports the first supply voltage value, second source end output second Supply voltage value and the 3rd power end export the 3rd supply voltage value, and the second source magnitude of voltage and the 3rd electricity Source magnitude of voltage is a pair of of generating positive and negative voltage.
- 3. circuit according to claim 2, it is characterised in that the signal transmission control line is used for transmission and described first The corresponding first supply voltage data of supply voltage value and the corresponding second source voltage number of the second source magnitude of voltage According to the 3rd supply voltage data corresponding with the 3rd power values and first control signal.
- 4. circuit according to claim 3, it is characterised in that the first supply voltage data configuration is the described first electricity 5-10 times of source magnitude of voltage；And/orThe second source voltage data is configured to 5-10 times and the 3rd supply voltage number of the second source magnitude of voltage According to being configured to 5-10 times of the 3rd supply voltage value.
- 5. circuit according to claim 1, it is characterised in that the driving chip includes register, on the register It is stored with the initialization directive collection for configuring the sequential.
- 6. circuit according to claim 5, it is characterised in that the initialization directive collection includes：For configuring described The first of one supply voltage data instructs and for configuring the second source voltage data and the 3rd supply voltage number According to second instruction.
- A kind of 7. control signal transmission method, applied to a kind of AMOLED devices of driving, it is characterised in that including：Multiple power ends of power supply chip are controlled to export successively in a manner of single line communication by signal transmission control line according to sequential Magnitude of voltage, and the control terminal output first control signal of the power supply chip.
- 8. the transmission method of control signal according to claim 7, it is characterised in that further comprise：Configure to transmit the sequential of voltage data and the first control signal.
- 9. the transmission method of control signal according to claim 7, it is characterised in that the multiple power end includes first Power end, second source end and the 3rd power end, the described method includes：The first instruction is received, transmits the first supply voltage data；The second instruction is received, transmits second source voltage data and the 3rd supply voltage data；AndTransmit first control signal.
- 10. the transmission method of control signal according to claim 9, it is characterised in that the first supply voltage of the output Data include：High level signal retention time generation binary code based on output；AndThe binary code is changed into the hexadecimal first supply voltage data；OrThe output second source voltage data and the 3rd supply voltage data include：High level signal retention time generation binary code based on output；AndThe binary code is changed into the hexadecimal second source voltage data and the 3rd supply voltage number According to.
- 11. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the computer program Realized when being executed by processor as any one of claim 7 to 10 the step of method.
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