CN109559700A - Drive control mould group and display device - Google Patents
Drive control mould group and display device Download PDFInfo
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- CN109559700A CN109559700A CN201811612211.5A CN201811612211A CN109559700A CN 109559700 A CN109559700 A CN 109559700A CN 201811612211 A CN201811612211 A CN 201811612211A CN 109559700 A CN109559700 A CN 109559700A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
-
- 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]
-
- 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]
Abstract
This application involves a kind of drive control mould groups, including at least one conversion module, multiple first output channels, multiple second output channels, main control module, detection module and power module；Second output channel and the first output channel correspond；Conversion module is for receiving low potential logical signal and being converted into high potential driving signal；First output channel and the second output channel are for exporting high potential driving signal；Detection module is used to detect the first output electric current of each first output channel and the second output electric current of each second output channel；Main control module is used for when any one the first output electric current is greater than default output electric current, control corresponding first output channel cut-off, and controlling the voltage that power module is corresponding conversion module power supply is first voltage, to control the driving voltage for the high potential driving signal that corresponding second output channel exports as predeterminated voltage.
Description
Technical field
This application involves field of display technology, in particular to a kind of drive control mould group and display device.
Background technique
Demand with people to narrow frame TV is more more and more intense, GDL (Gate driver less, non-grid driving)
Display panel increasingly receive an acclaim.GDL circuit is by level shifter IC (boosting integrated circuit) and shift
Register (shift register) two parts composition, level shifter IC are set in driving plate, shift register setting
In on display panel, level shifter IC transmits CLK (Clock, clock) signal to shift register completion to display surface
The driving of plate.Level shifter IC is set to driving plate and the frame length of display panel can reduce.
Using the display panel of GDL framework, shift register is set to the two sides of display panel, and display panel is by two sides
The CLK signal of shift register output drives.Shift register due to being set to the left or right side of display panel is manufacturing
It is easy to be damaged in process and use process, therefore, existing display panel, which is usually provided with, is operated alone display panel
The driving plate all driven at left and right sides of the driving plate in left side, the driving plate being operated alone on the right side of display panel and display panel, by
It is easy to be damaged in use in the shift register for being set to driving plate, when some shift register is damaged
When, it need to artificially judge the driving plate where the shift register of damage, and no shift LD is passively selected according to deterioration extent
The driving plate of device damage drives display panel, at high cost and not smart enough.
Summary of the invention
Based on this, the purpose of the application is to provide a kind of drive control mould group and display device, can be realized display panel
The high potential driving signal that is exported by the first output channel of bilateral and the second output channel of same route drive to by unilateral side
The first output channel or the second output channel output high potential driving signal driving switching at runtime, switching intelligence, cost
It is low.
A kind of drive control mould group, the drive control mould group include:
At least one conversion module, for receiving low potential logical signal and being converted into high potential driving signal；
Multiple first output channels, connect with conversion module, for exporting high potential driving signal；
Multiple second output channels, connect with conversion module, second output channel and first output channel one
One is corresponding, for exporting high potential driving signal；
Main control module is connect, for controlling respectively with the multiple first output channel and the multiple second output channel
Make the conducting and cut-off of the multiple first output channel and the multiple second output channel；
Detection module, be connected between the conversion module and the multiple first output channel and the conversion module with
Between the multiple second output channel, for detecting the first output electric current and the detection each second of each first output channel
Second output electric current of output channel；And
Power module is connect with the conversion module, for powering for the conversion module；
The main control module is also connect with the detection module and the power module respectively, and the main control module is also used to
When any one first output electric current is greater than default output electric current, corresponding first output channel cut-off is controlled, or work as and appoint
When one second output electric current of meaning is greater than default output electric current, corresponding second output channel cut-off is controlled, and control the electricity
Source module is that the voltage of corresponding conversion module power supply is first voltage, to control the height electricity of corresponding second output channel output
The driving voltage of position driving signal is predeterminated voltage.
The power module includes: in one of the embodiments,
First memory, for storing the first data；And
First D/A converter module is connect with the conversion module and the first memory respectively, for by described the
One data conversion is at first voltage.
The quantity of the conversion module is one in one of the embodiments, and the main control module is also used to receive low
Current potential logical signal simultaneously analyzes the low potential logical signal, the low potential logic signal transmission is arranged to described
The sequence of conversion module, the power module further include:
Second memory, for storing the second data；And
Second D/A converter module is connect with the conversion module and the second memory respectively, for by described the
Two data conversions are at second voltage；
The main control module is also used to be less than or equal to default output electric current and corresponding the when the first output electric current
When two output electric currents are less than or equal to default output electric current, controlling the voltage that the power module is the conversion module power supply is
Second voltage.
The quantity at least two of the conversion module in one of the embodiments, each conversion module and one
One output channel or the second output channel connection, the power module further include:
Second memory, for storing the second data；And
Second D/A converter module is connect with the conversion module and the second memory respectively, for by described the
Two data conversions are at second voltage；
The main control module is also used to when the first output electric current is less than or equal to default output electric current, described in control
Power module is that the voltage of corresponding conversion module power supply is second voltage；It is also used to be less than or wait when the second output electric current
When default output electric current, controlling the voltage that the power module is corresponding conversion module power supply is second voltage.
Each conversion module includes: in one of the embodiments,
Converting unit, for receiving low potential logical signal and being converted into high potential driving signal；
First switch is connect with the converting unit and first D/A converter module respectively；And
Second switch is connect with the converting unit and the second D/A converter module respectively；
The main control module is used for by controlling the first switch conducting and second switch cut-off, described in control
Power module is that the voltage of the converting unit power supply is first voltage；It is also used to by controlling the first switch cut-off and institute
Second switch conducting is stated, to control voltage that the power module is converting unit power supply as second voltage.
Each first output channel includes: in one of the embodiments,
Third switch, is connected to the main control module；It is open or closed for the control signal according to the main control module
First output channel；
Each second output channel includes:
4th switch, is connected to the main control module；It is open or closed for the control signal according to the main control module
Second output channel.
The first switch, the second switch, third switch and the described 4th open in one of the embodiments,
Pass is metal-oxide-semiconductor field effect transistor.
A kind of drive control mould group, the drive control mould group include:
At least one conversion module, for receiving low potential logical signal and being converted into high potential driving signal；
Multiple first output channels, connect with conversion module, for exporting high potential driving signal；
Multiple second output channels, connect with conversion module, second output channel and first output channel one
One is corresponding, for exporting high potential driving signal；
Main control module is connect, for controlling respectively with the multiple first output channel and the multiple second output channel
Make the conducting and cut-off of the multiple first output channel and the multiple second output channel；
Detection module, be connected between the conversion module and the multiple first output channel and the conversion module with
Between the multiple second output channel, for detecting the first output electric current and the detection each second of each first output channel
Second output electric current of output channel；And
Power module is connect with the conversion module, for powering for the conversion module；
The power module includes:
First memory, for storing the first data；And
First D/A converter module is connect with the conversion module and the first memory, for counting described first
According to being converted into first voltage；
The main control module is also connect with the detection module and the power module respectively, and the main control module is also used to
When any one first output electric current is greater than default output electric current, corresponding first output channel cut-off is controlled, or work as and appoint
When one second output electric current of meaning is greater than default output electric current, corresponding second output channel cut-off is controlled, and control the electricity
Source module is that the voltage of corresponding conversion module power supply is first voltage, to control the height electricity of corresponding second output channel output
The driving voltage of position driving signal is predeterminated voltage.
A kind of display device, the display device include that boosting integrated circuit, drive circuit board, display panel and displacement are posted
Storage；The boosting integrated circuit includes above-mentioned drive control mould group；The boosting integrated circuit is set to the driving electricity
Road plate, the shift register are set to the two sides of the display panel.
The display panel includes active array substrate, colorized optical filtering laminar substrate and is formed in one of the embodiments,
Liquid crystal layer between two substrates；The shift register is set on the active array substrate.
Above-mentioned drive control mould group and display device pass through the one-to-one correspondence of the first output channel and the second output channel
And the same route of one-to-one high potential driving signal driving display panel is exported, when any one first output electric current is big
When default output electric current, main control module controls corresponding first output channel cut-off, and controls the power module to correspond to
Conversion module power supply voltage be first voltage, thus corresponding second output channel output high potential driving signal drive
Dynamic voltage is predeterminated voltage；When any one second output electric current is greater than default output electric current, main control module control is corresponding
The cut-off of second output channel, and controlling the voltage that the power module is corresponding conversion module power supply is first voltage, thus
The driving voltage of the high potential driving signal of corresponding second output channel output is predeterminated voltage, realizes the same of display panel
The high potential driving signal driving that one route is exported by the first output channel of bilateral and the second output channel is to by the of unilateral side
The switching at runtime of the high potential driving signal driving of one output channel or the output of the second output channel, switching intelligence are at low cost.
Detailed description of the invention
Fig. 1 is the functional block diagram for the drive control mould group that one embodiment provides；
Fig. 2 is the functional block diagram for the drive control mould group that another embodiment provides；
Fig. 3 is the functional block diagram for the drive control mould group that another embodiment provides；
Fig. 4 is the waveform variation diagram for the high potential driving signal that one embodiment provides；
Fig. 5 is the functional block diagram for the display device that another embodiment provides.
Specific embodiment
The application in order to facilitate understanding is described more fully the application below with reference to relevant drawings.In attached drawing
Give the preferred embodiment of the application.But the application can realize in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to disclosure of this application.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
It should be noted that it can be directly to separately when an element is considered as " connection " another element
One element may be simultaneously present centering elements.
With reference to the accompanying drawing, the specific embodiment of the application is described in detail.
Referring to Fig. 1, Fig. 1 is the functional block diagram for the drive control mould group that the application one embodiment provides.The driving
Controlling mould group includes at least one conversion module 10, multiple first output channel OUT1, multiple second output channel OUT2, master control
Module 20, detection module 30 and power module 40.
The drive control mould group is applied in boosting integrated circuit.The conversion module 10 is for receiving low potential logic
Signal is simultaneously converted into high potential driving signal.Specifically, the conversion module 10 can be received directly, to be transmitted to the boosting integrated
The low potential logical signal of circuit can also be believed by the other parts indirect reception low potential logic of the boosting integrated circuit
Number.The low potential logical signal is logical signal, and the high potential driving signal is analog voltage signal.The high potential drives
The current potential absolute value of dynamic signal is greater than the current potential absolute value of the low potential logical signal.
The multiple first output channel OUT1 is connect with conversion module 10, for exporting high potential driving signal.It is described
Multiple second output channel OUT2 are connect with conversion module 10, for exporting high potential driving signal.Second output channel
OUT2 and the first output channel OUT1 is corresponded, specifically, the high potential of each first output channel OUT1 output drives
Dynamic signal drives the left and right two of display panel with the corresponding second output channel OUT2 high potential driving signal exported jointly
Side.The multiple first output channel OUT1 is connect with the shift register for being set to display panel side (such as left side), described
Multiple second output channel OUT2 are connect with the shift register for being set to the display panel other side (such as right side).The high potential
Driving signal is exported by the multiple first output channel OUT1 and the multiple second output channel OUT2 to the displacement
Register, and liquid crystal display panel is driven by the shift register.
The main control module 20 respectively with the multiple first output channel OUT1 and the multiple second output channel
OUT2 connection, for controlling the conducting of the multiple first output channel OUT1 and the multiple second output channel OUT2 and cutting
Only.
The first output channel OUT1 conducting, then the high potential driving signal can pass through first output channel
OUT1 is transmitted to the shift register, to realize the driving to display panel.The first output channel OUT1 cut-off, then
The high potential driving signal stops being transmitted to the shift register by the first output channel OUT1.Described second is defeated
Channel OUT2 is connected out, then the high potential driving signal can be transmitted to the displacement by the second output channel OUT2
Register, to realize the driving to display panel.The second output channel OUT2 ends, then the high potential driving signal
Stop being transmitted to the shift register by the second output channel OUT2.
If high potential driving signal drives display panel by the main line being set on display panel.The display panel
Same route can by one of them first output channel OUT1 and corresponding second output channel OUT2 simultaneously export height electricity
Position driving signal drives jointly, and the high potential driving signal that can also be exported by one of them first output channel OUT1 drives, also
The high potential driving signal that can be exported by one of them second output channel OUT2 drives.
In one embodiment, the main control module 30 is MCU (Microcontroller Unit, micro-control unit).
The detection module 30 is connected between the conversion module 10 and the multiple first output channel OUT1 and institute
It states between conversion module 10 and the multiple second output channel OUT2, for detecting the first of each first output channel OUT1
Export electric current and the second output electric current of each second output channel OUT2.
The first output electric current and the second output electric current, that is, display panel driving current.
The power module 40 is connect with the conversion module 10, for powering for the conversion module 10.
The main control module 20 is also connect with the detection module 30 and the power module 40 respectively, the main control module
20 are also used to control corresponding first output channel OUT1 when any one the first output electric current is greater than default output electric current and cut
Only, it or when any one second output electric current is greater than default output electric current, controls corresponding second output channel OUT2 and cuts
Only, and to control the voltage that the power module 40 is the power supply of corresponding conversion module 10 be first voltage, to control corresponding the
The driving voltage of the high potential driving signal of two output channel OUT2 output is predeterminated voltage.
It should be understood that the first output electric current and the second output electric current are transmitted to institute by the detection module 30
Main control module 20 is stated, the main control module 20 is also used to judge whether the first output electric current and the second output electric current are big
In default output electric current.
In one embodiment, the detection module 30 includes detection circuit.
The default output electric current is the maximum allowable driving current of display panel.The first output electric current is greater than default
The shift register that output electric current is located at display panel side is damaged.The second output electric current is greater than default output electricity
Stream is damaged positioned at the shift register of the display panel other side.
For the display panel in the case where no shift register damages, the same route of display panel is by one of them
The high potential driving signal that first output channel OUT1 and corresponding second output channel OUT2 is exported simultaneously drives jointly.When out
When existing shift register damage, default output electric current, the master are greater than by the first output electric current of the shift register output
Control module 20 controls corresponding first output channel OUT1 cut-off, and corresponding first output channel OUT1 exports first output
First output channel OUT1 of electric current, the route that display panel is driven by the first output electric current and corresponding second output electric current
Become only by the corresponding second output electric current driving of the first output electric current, corresponding second output electric current is the displacement with damage
Second output electric current of the corresponding second output channel OUT2 output of the first output channel OUT1 of register connection.If right at this time
The driving voltage for the second output channel OUT2 output high potential driving signal answered is constant, then display panel is defeated by corresponding second
The driving effect of the high potential driving signal of channel OUT2 output is not achieved by the first output channel OUT1 and corresponding second out
Effect when the high potential driving signal that output channel OUT2 is exported simultaneously drives jointly is shown if the size of display panel is larger
Show panel only by the route of the high potential driving signal driving of the second output channel OUT2 output then due to the impedance of route, driving
Effect further decreases.Increase the high potential driving signal driving voltage to predeterminated voltage can make display panel only by
Second output channel OUT2 output high potential driving signal driving route driving effect with by the first output channel OUT1
And the driving effect of route that the high potential driving signal of corresponding second output channel OUT2 output drives jointly is consistent.Together
Reason, when there is shift register damage and the second output electric current of the shift register output being caused to be greater than default output electric current,
Driving voltage to the predeterminated voltage for increasing the high potential driving signal can make display panel only by the first output channel
OUT1 output high potential driving signal driving route driving effect with by the first output channel OUT1 and corresponding second
The driving effect for the route that the high potential driving signal of output channel OUT2 output drives jointly is consistent.
Referring to Fig. 2, in one embodiment, the power module 40 includes first memory 41 and the first digital-to-analogue conversion
Module 42.The first memory 41 is for storing the first data.First D/A converter module 42 respectively with the conversion
Module 10 and the first memory 41 connect, and first D/A converter module 42 is used for first data conversion at the
One voltage.First data are digital signal, by the way that the first voltage is stored in described the in the form of digital signal
One memory 41 facilitates storage, saves memory space.
In one embodiment, the quantity of the conversion module 10 is one.The main control module 20 is also used to receive low
Current potential logical signal simultaneously analyzes the low potential logical signal, the low potential logic signal transmission is arranged to described
The sequence of conversion module 10.The power module 40 further includes second memory 43 and the second D/A converter module 44.Described
Two memories 43 are for storing the second data.Second D/A converter module 44 respectively with the conversion module 10 and described
The connection of two memories 43, is used for second data conversion into second voltage.The main control module 20 is also used to when described the
One exports electric current less than or equal to default output electric current and when corresponding second output electric current is less than or equal to output electric current is preset,
Controlling the voltage that the power module 40 is the conversion module 10 power supply is second voltage.
The first output electric current is less than or equal to default output electric current and corresponding second output electric current is less than or equal to
Default output electric current is and the shift register of the first output channel OUT1 connection does not damage and logical with corresponding second output
The shift register of road OUT2 connection does not damage, at this point, the same route of the display panel first is exported by one of them
The high potential driving signal that channel OUT1 and corresponding second output channel OUT2 is exported simultaneously drives jointly.
One conversion module 10 is only set, conversion module 10 passes through 20 indirect reception low potential logical signal of main control module,
Received low potential logical signal is analyzed by the main control module 20, and the low potential logic signal transmission is set
To the sequence of the conversion module 10, reach the time-sharing multiplex to the conversion module 10, the driving control can be substantially reduced
Molding group the space occupied.
Referring to Fig. 3, in one embodiment, the quantity at least two of the conversion module 10.Each conversion module
10 connect with a first output channel OUT1 or a second output channel OUT2.The power module 40 further includes second depositing
Reservoir 43 and the second D/A converter module 44.The second memory 43 is for storing the second data.Second digital-to-analogue conversion
Module 44 is connect with the conversion module 10 and the second memory 43, and second D/A converter module 44 is used for will be described
Second memory 43 is converted into second voltage.Second data are digital signal, by believing the second voltage with number
Number form be stored in the second memory 43, facilitate storage, save memory space.
The main control module 20 is also used to control institute when the first output electric current is less than or equal to default output electric current
Stating the voltage that power module 40 is the power supply of corresponding conversion module 10 is second voltage；It is also used to when the second output electric current is small
When default output electric current, controlling the voltage that the power module 40 is the power supply of corresponding conversion module 10 is second electric
Pressure.
The quantity of conversion module 10 is more than or equal to two, and each conversion module 10 directly receives low potential logical signal, institute
Stating power module 40 is respectively that each conversion module 10 is powered, and the main control module 20 controls more 10 supply voltage of conversion module
Add flexible, accurate.
In one embodiment, each conversion module 10 includes converting unit 11, first switch K1 and second switch K2.Institute
Converting unit 11 is stated for receiving low potential logical signal and being converted into high potential driving signal.The first switch K1 respectively with
The converting unit 11 and first D/A converter module 42 connection.The second switch K2 respectively with the converting unit 11
And second D/A converter module 44 connect.The main control module 20 is used for by controlling first switch K1 conducting and described the
Two switch K2 cut-off, using control the power module 40 be the converting unit 11 power supply voltage as first voltage.The master
Control module 20 is also used to by controlling the first switch K1 cut-off and second switch K2 conducting, to control the power supply mould
Block 40 is that the voltage of the converting unit 11 power supply is second voltage.The main control module 20 is by controlling the first switch K1
And the second switch K2, to realize the switching control to 10 supply voltage of conversion module, easy switching, intelligence.
In one embodiment, first D/A converter module 42 and second D/A converter module 44 may be, for example,
Analog-digital converter.
In one embodiment, each first output channel OUT1 includes third switch K3.The third switch K3 and institute
State the connection of main control module 20.The third switch K3 is used for open or closed described according to the control signal of the main control module 20
First output channel OUT1.Each second output channel OUT2 includes the 4th switch K4.The 4th switch K4 and the master control
Module 20 connects.The 4th switch K4 is used for defeated according to the control signal open or closed described second of the main control module 20
Channel OUT2 out.
In one embodiment, the first switch K1, the second switch K2, third switch K3 and the 4th switch K4 are equal
Small in size for metal-oxide-semiconductor field effect transistor, loss is small, and response is fast.
Referring to Fig. 4, in one embodiment, the quantity of the conversion module 10 is one, the drive control mould group
Including four the first output channel OUT1 and four and one-to-one second output channel of the first output channel OUT1
OUT2.The high potential driving signal of four the first output channel OUT1 output is respectively CLK1, CLK2, CLK3, CLK4, and four the
The high potential driving signal of two output channel OUT2 output is respectively CLK5, CLK6, CLK7, CLK8, high potential driving signal
CLK1 and CLK5 drives the first line of display panel jointly, and high potential driving signal CLK2 and CLK6 drive display panel jointly
The second route, high potential driving signal CLK3 and CLK7 drive the tertiary circuit of display panel, high potential driving signal jointly
CLK4 and CLK8 drives the 4th route of display panel jointly.The main control module 20 will first be used to convert high potential driving signal
For the low potential logic signal transmission of CLK1 and CLK5 to the conversion module 10, the conversion module 10 first exports high potential driving
Signal CLK1 and CLK5.Then, the main control module 20 will be used to convert the low potential of high potential driving signal CLK2 and CLK6
Logic signal transmission to the conversion module 10, the conversion module 10 exports high potential driving signal CLK2 and CLK6.Then,
The main control module 20 will be used to convert the low potential logic signal transmission of high potential driving signal CLK3 and CLK7 to described turn
Block 10 is changed the mold, the conversion module 10 exports high potential driving signal CLK3 and CLK7.Finally, the main control module 20 will be used for
The low potential logic signal transmission of high potential driving signal CLK4 and CLK8 is converted to the conversion module 10, the conversion module
10 output high potential driving signal CLK4 and CLK8.If exporting the first output channel OUT1 output of high potential driving signal CLK1
The first output electric current be greater than default output electric current, then the main control module 20 controls the third switch of the first output channel OUT1
K3 cut-off, and in next low potential logic signal transmission for converting high potential driving signal CLK1 and CLK5 to described turn
When changing the mold block 10, the first switch K1 conducting and second switch K2 cut-off are controlled, high potential driving signal CLK1 is exported
The first output channel OUT1 third switch K3 cut-off, at this point, output high potential driving signal CLK5 the second output channel
The 4th switch K4 of OUT2 is connected, and the supply voltage of the converting unit 11 is first voltage, therefore, the second output channel OUT2
The driving voltage of the high potential driving signal CLK5 of output increases to predeterminated voltage VGH2, at this point, high potential driving signal CLK5
Driving effect it is consistent with the effect that CLK1 drives jointly with high potential driving signal CLK5.When high potential driving signal CLK5 is defeated
After out, for converting the low potential logic signal transmission of high potential driving signal CLK2 and CLK6 to the conversion module 10
When, it is preset if the first output electric current of the first output channel OUT1 output of output high potential driving signal CLK2 is less than or equal to
The second output electric current that output electric current and the second output channel OUT2 for exporting high potential driving signal CLK6 are exported is less than or waits
In default output electric current, then the main control module 20 controls the first switch K1 cut-off and second switch K2 conducting, institute
The supply voltage for stating converting unit 11 is switched to second voltage.If exporting the of high potential driving signal CLK2 or CLK3 or CLK4
First output electric current of one output channel OUT1 output be greater than default output electric current or output high potential driving signal CLK5 or
Second output electric current of the second output channel OUT2 output of CLK6 or CLK7 or CLK8 is greater than default output electric current, display panel
The drive control of route is for example above-mentioned.
In one embodiment, the quantity of the conversion module 10 is more than or equal to two, each conversion module 10 and one
First output channel OUT1 or a second output channel OUT2 connection.The drive control mould group includes that four first outputs are logical
Road OUT1 and four and the one-to-one second output channel OUT2 of the first output channel OUT1.Four the first output channels
The high potential driving signal of OUT1 output is respectively CLK1, CLK2, CLK3, CLK4, four the second output channel OUT2 output
High potential driving signal is respectively CLK5, CLK6, CLK7, CLK8, and high potential driving signal CLK1 and CLK5 drive display jointly
The first line of panel, high potential driving signal CLK2 and CLK6 drive the second route of display panel, high potential driving jointly
Signal CLK3 and CLK7 drives the tertiary circuit of display panel jointly, and high potential driving signal CLK4 and CLK8 drive display jointly
4th route of panel.When the first output electric current of the first output channel OUT1 of output high potential driving signal CLK1 is greater than in advance
If export electric current, then the of the first output channel OUT1 of the main control module 20 control output high potential driving signal CLK1
Three switch K3 cut-off, and the first switch K1 for controlling the conversion module 10 of output high potential driving signal CLK5 is connected and second opens
K2 cut-off is closed, therefore, the supply voltage for exporting the converting unit 11 of high potential driving signal CLK5 is first voltage, the second output
The driving voltage of the high potential driving signal CLK5 of channel OUT2 output increases to predeterminated voltage VGH2, at this point, high potential drives
The driving effect of signal CLK5 is consistent with the effect that CLK1 drives jointly with high potential driving signal CLK5.If exporting high potential to drive
First output electric current of the first output channel OUT1 output of dynamic signal CLK2 or CLK3 or CLK4 be greater than default output electric current or
Export the second output electric current of the second output channel OUT2 output of high potential driving signal CLK5 or CLK6 or CLK7 or CLK8
Greater than default output electric current, the drive control of display panel route is for example above-mentioned.
In one embodiment, the converting unit 11 may be, for example, voltage conversion chip.
Referring to Fig. 5, the application also provides a kind of display device, the display device includes boosting integrated circuit 300, drives
Dynamic circuit board 400, display panel 500 and shift register 600.The boosting integrated circuit 300 includes above-mentioned drive control
Mould group.The boosting integrated circuit 300 is set to the drive circuit board 400, and the shift register 600 is set to described aobvious
Show the two sides of panel 500.
GDL circuit includes boosting integrated circuit 300 and shift register 600.The boosting integrated circuit 300 includes described
Current foldback circuit.The boosting integrated circuit 300 is set to the drive circuit board 400, and the shift register 600 is arranged
In the two sides of the display panel 500, due to the area very little that the shift register 600 accounts for, the display of GDL framework
Panel can accomplish the frame of ultra-narrow.
In the application, display panel 500 may be, for example, TFT-LCD (Thin Film Transistor Liquid
Crystal Displayer, Thin Film Transistor-LCD) display panel, OLED (Organic Light-Emitting
Diode, Organic Light Emitting Diode) display panel, QLED (Quantum Dot Light Emitting Diodes, quantum dot hair
Optical diode) display panel, curved face display panel or other display panels.
In one embodiment, the active array (TFT) and the chromatic filter layer (CF) can be formed on same substrate.
In one embodiment, the display panel 500 is liquid crystal display panel, and the display panel 500 includes active battle array
It arranges (thin film transistor, TFT) substrate 501, chromatic filter layer (color filter, CF) substrate 502 and is formed
Liquid crystal layer between two substrates.The shift register 600 is set on the active array substrate 501.
Above-mentioned drive control mould group and display device pass through the one-to-one correspondence of the first output channel and the second output channel
And the same route of one-to-one high potential driving signal driving display panel is exported, when any one first output electric current is big
When default output electric current, main control module controls corresponding first output channel cut-off, and controls the power module to correspond to
Conversion module power supply voltage be first voltage, thus corresponding second output channel output high potential driving signal drive
Dynamic voltage is predeterminated voltage；When any one second output electric current is greater than default output electric current, main control module control is corresponding
The cut-off of second output channel, and controlling the voltage that the power module is corresponding conversion module power supply is first voltage, thus
The driving voltage of the high potential driving signal of corresponding second output channel output is predeterminated voltage, realizes the same of display panel
The high potential driving signal driving that one route is exported by the first output channel of bilateral and the second output channel is to by the of unilateral side
The switching at runtime of the high potential driving signal driving of one output channel or the output of the second output channel, switching intelligence are at low cost.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of drive control mould group, which is characterized in that the drive control mould group includes:
At least one conversion module, for receiving low potential logical signal and being converted into high potential driving signal；
Multiple first output channels, connect with conversion module, for exporting high potential driving signal；
Multiple second output channels, connect with conversion module, and second output channel and first output channel one are a pair of
It answers, for exporting high potential driving signal；
Main control module is connect, for controlling respectively with the multiple first output channel and the multiple second output channel
State the conducting and cut-off of multiple first output channels and the multiple second output channel；
Detection module, be connected between the conversion module and the multiple first output channel and the conversion module with it is described
Each second output of the first output electric current and detection between multiple second output channels, for detecting each first output channel
The second output electric current in channel；And
Power module is connect with the conversion module, for powering for the conversion module；
The main control module is also connect with the detection module and the power module respectively, and the main control module, which is also used to work as, appoints
When one first output electric current of meaning is greater than default output electric current, corresponding first output channel cut-off is controlled, or when any one
When a second output electric current is greater than default output electric current, corresponding second output channel cut-off is controlled, and control the power supply mould
Block is that the voltage of corresponding conversion module power supply is first voltage, is driven with controlling the high potential of corresponding second output channel output
The driving voltage of dynamic signal is predeterminated voltage.
2. drive control mould group according to claim 1, which is characterized in that the power module includes:
First memory, for storing the first data；And
First D/A converter module is connect with the conversion module and the first memory respectively, for counting described first
According to being converted into first voltage.
3. drive control mould group according to claim 2, which is characterized in that the quantity of the conversion module is one, institute
Main control module is stated to be also used to receive low potential logical signal and analyze the low potential logical signal, it is described low to be arranged
Sequence of the current potential logic signal transmission to the conversion module, the power module further include:
Second memory, for storing the second data；And
Second D/A converter module is connect with the conversion module and the second memory respectively, for counting described second
According to being converted into second voltage；
The main control module is also used to be less than or equal to default output electric current and corresponding second defeated when the first output electric current
When electric current is less than or equal to default output electric current out, controlling the voltage that the power module is the conversion module power supply is second
Voltage.
4. drive control mould group according to claim 2, which is characterized in that the quantity of the conversion module is at least two
A, each conversion module is connect with first output channel or second output channel, the power module further include:
Second memory, for storing the second data；And
Second D/A converter module is connect with the conversion module and the second memory respectively, for counting described second
According to being converted into second voltage；
The main control module is also used to control the power supply when the first output electric current is less than or equal to default output electric current
Module is that the voltage of corresponding conversion module power supply is second voltage；It is also used to be less than or equal in advance when the second output electric current
If export electric current, controlling the voltage that the power module is corresponding conversion module power supply is second voltage.
5. drive control mould group according to claim 3 or 4, which is characterized in that each conversion module includes:
Converting unit, for receiving low potential logical signal and being converted into high potential driving signal；
First switch is connect with the converting unit and first D/A converter module respectively；And
Second switch is connect with the converting unit and the second D/A converter module respectively；
The main control module is used for by controlling the first switch conducting and second switch cut-off, to control the power supply
Module is that the voltage of the converting unit power supply is first voltage；It is also used to by controlling first switch cut-off and described the
Two switch conductions, to control voltage that the power module is converting unit power supply as second voltage.
6. drive control mould group according to claim 5, which is characterized in that each first output channel includes:
Third switch, is connected to the main control module；It is open or closed described for the control signal according to the main control module
First output channel；
Each second output channel includes:
4th switch, is connected to the main control module；It is open or closed described for the control signal according to the main control module
Second output channel.
7. drive control mould group according to claim 6, which is characterized in that the first switch, the second switch, institute
Stating third switch and the 4th switch is metal-oxide-semiconductor field effect transistor.
8. a kind of drive control mould group, which is characterized in that the drive control mould group includes:
At least one conversion module, for receiving low potential logical signal and being converted into high potential driving signal；
Multiple first output channels, connect with conversion module, for exporting high potential driving signal；
Multiple second output channels, connect with conversion module, and second output channel and first output channel one are a pair of
It answers, for exporting high potential driving signal；
Main control module is connect, for controlling respectively with the multiple first output channel and the multiple second output channel
State the conducting and cut-off of multiple first output channels and the multiple second output channel；
Detection module, be connected between the conversion module and the multiple first output channel and the conversion module with it is described
Each second output of the first output electric current and detection between multiple second output channels, for detecting each first output channel
The second output electric current in channel；And
Power module is connect with the conversion module, for powering for the conversion module；
The power module includes:
First memory, for storing the first data；And
First D/A converter module is connect with the conversion module and the first memory, for turning first data
Change first voltage into；
The main control module is also connect with the detection module and the power module respectively, and the main control module, which is also used to work as, appoints
When one first output electric current of meaning is greater than default output electric current, corresponding first output channel cut-off is controlled, or when any one
When a second output electric current is greater than default output electric current, corresponding second output channel cut-off is controlled, and control the power supply mould
Block is that the voltage of corresponding conversion module power supply is first voltage, is driven with controlling the high potential of corresponding second output channel output
The driving voltage of dynamic signal is predeterminated voltage.
9. a kind of display device, the display device includes boosting integrated circuit, drive circuit board, display panel and shift LD
Device；It is characterized in that, the boosting integrated circuit includes drive control described in claim 1 to claim 8 any one
Mould group；The boosting integrated circuit is set to the drive circuit board, and the shift register is set to the display panel
Two sides.
10. display device according to claim 9, which is characterized in that the display panel includes active array substrate, coloured silk
Color filtering optical layer substrate and the liquid crystal layer being formed between two substrates；The shift register is set to the active array substrate
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811612211.5A CN109559700A (en) | 2018-12-27 | 2018-12-27 | Drive control mould group and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811612211.5A CN109559700A (en) | 2018-12-27 | 2018-12-27 | Drive control mould group and display device |
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| CN109559700A true CN109559700A (en) | 2019-04-02 |
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| CN201811612211.5A Pending CN109559700A (en) | 2018-12-27 | 2018-12-27 | Drive control mould group and display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021136143A1 (en) * | 2020-01-02 | 2021-07-08 | 广州视源电子科技股份有限公司 | Display screen driving method and driving circuit, and display screen |
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Application publication date: 20190402 |