CN106504715A - A kind of drive module of display panels, driving means and driving method - Google Patents
A kind of drive module of display panels, driving means and driving method Download PDFInfo
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- CN106504715A CN106504715A CN201611160716.3A CN201611160716A CN106504715A CN 106504715 A CN106504715 A CN 106504715A CN 201611160716 A CN201611160716 A CN 201611160716A CN 106504715 A CN106504715 A CN 106504715A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of drive module of display panels, including temperature comparison module, the first common electric voltage generation module, logic computing unit and parameter set unit；The input of temperature comparison module is connected with external temperature sensor, and the first outfan of temperature comparison module is connected with the first common electric voltage generation module, and the second outfan of temperature comparison module is connected with logic computing unit；Logic computing unit is connected with the first common electric voltage generation module, parameter set unit.The invention also discloses a kind of driving means of display panels and a kind of driving method of display panels.The drive module of display panels disclosed by the invention, driving means and driving method, can be good at solving hot environment and the common electric voltage under normal temperature environment set problem, it is not necessary to change existing production line, input cost is low.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of drive module of display panels, driving means and
Driving method.
Background technology
Common electric voltage Vcom is most important to the stability of liquid crystal display picture.General, display panels are dispatching from the factory
Common electric voltage Vcom has just been fixed up afterwards.Yet with the presence of temperature characterisitic, when the temperature of display panels occurs
When uprising, liquid crystal parameter can be caused to change therewith, and then reduce the quality of liquid crystal display picture.
The situation that common electric voltage Vcom has just been fixed after dispatching from the factory, is only applicable to the liquid crystal display used under normal temperature condition
Panel.For the display panels that some needs are used under high temperature special environment, need separately to provide solution.
In order to solve the above problems, prior art provides a kind of scheme：Set the common electric voltage under a hot environment
Common electric voltage VcomL parameters under VcomH parameters and a normal temperature environment；Ambient temperature is detected by temperature sensor, works as ring
When border temperature is hot environment, common electric voltage VcomH parameter values are supplied to display panels；When ambient temperature is room temperature ring
During border, common electric voltage VcomL parameter values are supplied to display panels.
The scheme that prior art is provided so that when display panels dispatch from the factory, it is necessary first to burning under normal temperature environment
Common electric voltage VcomL, then heat up burning common electric voltage VcomH again.This generating mode, needs to available liquid crystal display surface
The production line of plate is transformed, and increases corresponding machinery equipment, and generally input cost is big.
Content of the invention
Present invention is primarily targeted at proposing a kind of drive module of display panels, device and method, it is intended to solve
Certainly the common electric voltage under hot environment and normal temperature environment sets problem.
For achieving the above object, the drive module of a kind of display panels that the present invention is provided, the LCD
The drive module of plate includes temperature comparison module, the first common electric voltage generation module, logic computing unit and parameter set unit；
The input of the temperature comparison module is connected with external temperature sensor, and the first of the temperature comparison module is defeated
Go out end to be connected with the first common electric voltage generation module, the second outfan of the temperature comparison module and the logical calculated
Unit connects；
The logic computing unit is connected with the first common electric voltage generation module, the parameter set unit；
The temperature comparison module is used for receiving the ambient temperature value that external temperature sensor real-time detection is arrived, and will be described
Ambient temperature value is compared with temperature preset value, will be enabled signal according to comparative result and is sent to the first common electric voltage life
Into module or the logic computing unit；
The first common electric voltage generation module is for the enable letter according to the temperature comparison module for receiving
Number, the first common electric voltage value of deposit is exported to outside display panels；
The logic computing unit, for the enable signal according to the temperature comparison module for receiving, described
Default parameter value in the first common electric voltage value and the parameter set unit of deposit, the second common electric voltage of output is to described
Outside display panels.
Further, the temperature comparison module includes ambient temperature receiver module, temperature judge module, temperature preset value
Registration module, enable signal generation module；
The ambient temperature receiver module is used for receiving the environment temperature that the external temperature sensor real-time detection is arrived
Angle value；
The temperature preset value registration module deposits the first temperature preset value；
The temperature judge module is used for the size of ambient temperature value described in multilevel iudge and the first temperature preset value,
And comparative result is sent to the enable signal generation module；
The enable signal generation module is public for the enable signal is sent to described first according to comparative result
Voltage generation module or the logic computing unit.
Further, the first common electric voltage generation module includes the first enable signal receiving module, the first common electrical
Pressure registration module and the first common electric voltage output module；
The first enable signal receiving module is used for receiving the enable signal that the temperature comparison module sends；
The first common electric voltage registration module is used for depositing the first common electric voltage value；
The first common electric voltage output module is used for exporting the first common electric voltage value to outside display panels.
Further, the logic computing unit includes the second enable signal receiving module, logical operation module and second
Common electric voltage output module；
The second enable signal receiving module is used for receiving the enable signal that the temperature comparison module sends；
The logical operation module is used for the first common electric voltage value and the parameter set unit according to the deposit
Interior default parameter value, calculates the second common electric voltage value；
The second common electric voltage output module is used for exporting the second common electric voltage value to outside display panels.
Further, the span of the first temperature preset value is 80 DEG C～90 DEG C.
Additionally, for achieving the above object, the present invention also proposes a kind of driving means of display panels, and the device includes
Display panels, temperature sensor, the drive module of above-mentioned display panels；
The temperature sensor be used for real-time detection ambient temperature, and by real-time detection to ambient temperature value be sent to institute
State liquid crystal driver module；
The liquid crystal driver module is exported to the liquid crystal display for being adjusted according to the ambient temperature value for detecting
The common electric voltage of panel.
Further, the span of the first temperature preset value is 80 DEG C～90 DEG C.
Furthermore, for achieving the above object, the present invention also proposes a kind of driving method of display panels, methods described bag
Include step：
S1：Real-time detection ambient temperature；
S2：Judge the ambient temperature value for detecting whether more than the first temperature preset value；If the ambient temperature value is more than
The first temperature preset value, goes to step S4；Otherwise, step S3 is gone to；
S3：First common electric voltage value of deposit is exported to display panels；
S4：The second common electric voltage value is exported to the display panels.
Further, first common electric voltage value and default parameter value of the second common electric voltage value according to the deposit
Calculate.
Further, the span of the first temperature preset value is 80 DEG C～90 DEG C.
The drive module of display panels proposed by the present invention, device and method, can be good at solving hot environment
Problem is set with the common electric voltage under normal temperature environment, it is not necessary to change existing production line, input cost is low.
Description of the drawings
The structural representation of Liquid crystal display board driving mchanism and drive module of the Fig. 1 for the embodiment of the present invention；
Structural representations of the Fig. 2 for the temperature comparison module of the display panels drive module of the embodiment of the present invention；
Fig. 3 shows for the structure of the first common electric voltage generation module of the display panels drive module of the embodiment of the present invention
It is intended to；
Structural representations of the Fig. 4 for the logic computing unit of the display panels drive module of the embodiment of the present invention；
Schematic flow sheets of the Fig. 5 for the driving method for liquid crystal display panel of the embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be described further in conjunction with the embodiments referring to the drawings.
Specific embodiment
It should be appreciated that specific embodiment described herein is not intended to limit the present invention only in order to explain the present invention.
Each embodiment of the invention is realized referring now to Description of Drawings.In follow-up description, using for represent unit
Only for being conducive to the explanation of the present invention, itself has not been used to the suffix of such as " module ", " part " or " unit " of part
Limit the present invention.
The structural representation of Liquid crystal display board driving mchanism and drive module of the Fig. 1 for the embodiment of the present invention；Fig. 2 is this
The structural representation of the temperature comparison module of the display panels drive module of inventive embodiments；Fig. 3 is the embodiment of the present invention
Display panels drive module the first common electric voltage generation module structural representation；Fig. 4 is the embodiment of the present invention
The structural representation of the logic computing unit of display panels drive module；LCDs of the Fig. 5 for the embodiment of the present invention
The schematic flow sheet of plate driving method
As shown in figure 1, first embodiment of the invention proposes a kind of driving means of display panels, the driving means bag
Include：Display panels 300, temperature sensor 100, liquid crystal driver module 200；
Temperature sensor 100 be used for real-time detection ambient temperature, and by real-time detection to ambient temperature value be sent to liquid
Brilliant drive module 200；
Liquid crystal driver module 200 is exported to display panels 300 for being adjusted according to the ambient temperature value for detecting
Voltage.
Refer again to shown in Fig. 1, a kind of drive module of display panels that second embodiment of the invention is proposed, the liquid
Brilliant drive module 200 includes temperature comparison module 201, the first common electric voltage generation module 203, logic computing unit 202 and ginseng
Number arranging unit 204；
The input of temperature comparison module 201 is connected with external temperature sensor 100, and the first of temperature comparison module 201
Outfan is connected with the first common electric voltage generation module 203, the second outfan of temperature comparison module 201 and logic computing unit
202 connections；
Logic computing unit 202 is also connected with the first common electric voltage generation module 203, parameter set unit 204；
Temperature comparison module 201 is used for receiving the ambient temperature value that 100 real-time detection of external temperature sensor is arrived, and should
Ambient temperature value is compared with temperature preset value, will be enabled signal according to comparative result and is sent to the first common electric voltage generation mould
Block 203 or logic computing unit 202；
First common electric voltage generation module 203 will be posted for the enable signal according to the temperature comparison module 201 for receiving
The the first common electric voltage value that deposits is exported to outside display panels 300；
Logic computing unit 202, the enable signal of the temperature comparison module 201 received for basis, the first of deposit
Default parameter value in common electric voltage value and parameter set unit 204, calculates the second common electric voltage and exports to outside liquid crystal
Display floater 300.
Refer to shown in Fig. 2.In the present embodiment, temperature comparison module 201 includes ambient temperature receiver module 2011, temperature
Degree judge module 2012, temperature preset value registration module 2014, enable signal generation module 2013；
Ambient temperature receiver module 2011 is connected with external temperature sensor 100, for receiving external temperature sensor 100
The ambient temperature value that real-time detection is arrived；
Temperature preset value registration module 2014 deposits the first temperature preset value；
Temperature judge module 2012 is used for the size of multilevel iudge ambient temperature value and the first temperature preset value, and will compare
As a result enable signal generation module 2013 is sent to；
Enabling signal generation module 2013 is used for, according to comparative result, enable signal is sent to the generation of the first common electric voltage
Module 203 or logic computing unit 202.
In the present embodiment, the span of the first temperature preset value can be 80 DEG C～90 DEG C.Conveniently, can value be
82℃、85℃.
Refer to shown in Fig. 3.First common electric voltage generation module 203 include the first enable signal receiving module 2031,
One common electric voltage registration module 2033 and the first common electric voltage output module 2032；
First enable signal receiving module 2031 is used for the enable signal for receiving the transmission of temperature comparison module 201；Specifically,
Receive the enable signal that the enable signal generation module 2013 of temperature comparison module 201 sends.
First common electric voltage registration module 2033 is used for depositing the first common electric voltage value.
First common electric voltage output module 2032 is used for exporting the first common electric voltage value to outside display panels 300.
Refer to shown in Fig. 4.Logic computing unit 202 includes the second enable signal receiving module 2021, logical operationss mould
Block 2022 and the second common electric voltage output module 2023；
Second enable signal receiving module 2021 is used for the enable signal for receiving the transmission of temperature comparison module 201；Specifically,
Receive the enable signal that the enable signal generation module 2013 of temperature comparison module 201 sends.
Logical operation module 2022 is used for presetting in the first common electric voltage value and parameter set unit 204 according to deposit
Parameter value, calculate the second common electric voltage value；
In the present embodiment, the first common electric voltage value of deposit be a fixed value, default ginseng in parameter set unit 204
Numerical value is also a fixed value, and the parameter value must set to test and obtain or empirically set.Logical operation module 2022
Calculate the second common electric voltage value, can be according to certain functional expression depending on, for example：The first of second common electric voltage value=deposit is public
The default parameter values of magnitude of voltage *, here are not limited.
Second common electric voltage output module 2023 is used for exporting the second common electric voltage value to outside display panels 300.
As an example, the invention thought of the present embodiment, with reference to concrete case, is illustrated.We with -30-82 DEG C are
The room temperature scope of display panels 300, in table below, Temp is classified as temperature value DEG C, and TSRAW enters for the two of corresponding temperature value
Value processed.
| TSRAW | Temp | TSRAW | Temp |
| 0000 | - 30～-23 | 1000 | 27～33 |
| 0001 | - 22～-16 | 1001 | 34～40 |
| 0010 | - 15～-9 | 1010 | 41～47 |
| 0011 | - 8～-2 | 1011 | 48～54 |
| 0100 | - 1～5 | 1100 | 55～61 |
| 0101 | 6～12 | 1101 | 62～68 |
| 0110 | 13～19 | 1110 | 69～75 |
| 0111 | 20～26 | 1111 | 76～82 |
I.e. in the case, 82 DEG C is the first temperature preset value.When the ambient temperature value that temperature sensor 100 is detected big
In 82 DEG C, then it is judged to high temperature range；Otherwise it is room temperature scope.
For example：The ambient temperature value that temperature sensor 100 is detected is 13～19 DEG C, then corresponding binary value is
0110.The ambient temperature that the ambient temperature value for detecting is sent to temperature comparison module 201 is received mould by temperature sensor 100
Block 2011；Temperature judge module 2012 judges that the ambient temperature value for detecting is less than the first temperature preset value, and will compare knot
Fruit is sent to enable signal generation module 2013；Enabling signal generation module 2013 is used for enable signal according to comparative result
Give the first enable signal receiving module 2031 of the first common electric voltage generation module 203；First enables signal receiving module
After 2031 receive the enable signal, the first common electric voltage output module 2032 is used for exporting the first common electric voltage registration module
First common electric voltage value of 2033 deposits is to outside display panels 300.
If the ambient temperature value that temperature sensor 100 is detected is more than 82 DEG C, enabling signal generation module 2013 is used for
According to comparative result will enable signal be sent to logic computing unit 202 second enable signal receiving module 2021；Second makes
After energy signal receiving module 2021 receives the enable signal, it is public that the second common electric voltage output module 2023 is used for output second
Magnitude of voltage is to outside display panels 300.
The drive module and driving means of the display panels that the embodiment of the present invention is proposed, can be good at solving high temperature
Common electric voltage under environment and normal temperature environment sets problem, it is not necessary to change existing production line, input cost is low.
Third embodiment of the invention further provides for a kind of driving method for liquid crystal display panel.With reference to Fig. 5, LCD
Plate driving method includes step：
S1：Real-time detection ambient temperature；
S2：Judge the ambient temperature value for detecting whether more than the first temperature preset value；If ambient temperature value is more than first
Temperature preset value, goes to step S4；Otherwise, step S3 is gone to；
S3：First common electric voltage value of deposit is exported to display panels；
S4：The second common electric voltage value is exported to display panels.
In the present embodiment, first common electric voltage value and default parameter value of the second common electric voltage value according to deposit
Calculate.
The driving method of the display panels that the embodiment of the present invention is proposed, can be good at solving hot environment and room temperature
Common electric voltage under environment sets problem, it is not necessary to change existing production line, input cost is low.
It should be noted that herein, term " including ", "comprising" or its any other variant are intended to non-row
His property includes, so that a series of process, method, article or device including key elements not only includes those key elements, and
And also include other key elements being not expressly set out, or also include for this process, method, article or device institute inherently
Key element.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
Also there is other identical element in the process of key element, method, article or device.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of drive module of display panels, it is characterised in that the drive module of the display panels includes temperature
Degree comparison module, the first common electric voltage generation module, logic computing unit and parameter set unit；
The input of the temperature comparison module is connected with external temperature sensor, the first outfan of the temperature comparison module
It is connected with the first common electric voltage generation module, the second outfan of the temperature comparison module and the logic computing unit
Connection；
The logic computing unit is connected with the first common electric voltage generation module, the parameter set unit；
The temperature comparison module is used for receiving the ambient temperature value that external temperature sensor real-time detection is arrived, and by the environment
Temperature value is compared with temperature preset value, will be enabled signal according to comparative result and is sent to the first common electric voltage generation mould
Block or the logic computing unit；
The first common electric voltage generation module, will for the enable signal according to the temperature comparison module for receiving
First common electric voltage value of deposit is exported to outside display panels；
The logic computing unit, for the enable signal according to the temperature comparison module for receiving, the deposit
The first common electric voltage value and the parameter set unit in default parameter value, output the second common electric voltage to the outside
Display panels.
2. a kind of drive module of display panels as claimed in claim 1, it is characterised in that the temperature comparison module
Including ambient temperature receiver module, temperature judge module, temperature preset value registration module, enable signal generation module；
The ambient temperature receiver module is used for receiving the ambient temperature value that the external temperature sensor real-time detection is arrived；
The temperature preset value registration module deposits the first temperature preset value；
The temperature judge module is used for the size of ambient temperature value described in multilevel iudge and the first temperature preset value, and will
Comparative result is sent to the enable signal generation module；
The enable signal generation module is used for, according to comparative result, the enable signal is sent to first common electric voltage
Generation module or the logic computing unit.
3. a kind of drive module of display panels as claimed in claim 1, it is characterised in that first common electric voltage
Generation module includes the first enable signal receiving module, the first common electric voltage registration module and the first common electric voltage output module；
The first enable signal receiving module is used for receiving the enable signal that the temperature comparison module sends；
The first common electric voltage registration module is used for depositing the first common electric voltage value；
The first common electric voltage output module is used for exporting the first common electric voltage value to outside display panels.
4. a kind of drive module of display panels as claimed in claim 1, it is characterised in that the logic computing unit
Signal receiving module, logical operation module and the second common electric voltage output module are enabled including second；
The second enable signal receiving module is used for receiving the enable signal that the temperature comparison module sends；
The logical operation module is used for according to pre- in the first common electric voltage value and the parameter set unit of the deposit
If parameter value, calculate the second common electric voltage value；
The second common electric voltage output module is used for exporting the second common electric voltage value to outside display panels.
5. a kind of drive module of the display panels as described in claim 1-4 is arbitrary, it is characterised in that first temperature
The span of degree preset value is 80 DEG C～90 DEG C.
6. a kind of driving means of display panels, it is characterised in that the device includes display panels, temperature sensing
Device, the drive module of arbitrary display panels as described in claim 1-4；
The temperature sensor be used for real-time detection ambient temperature, and by real-time detection to the ambient temperature value be sent to institute
State liquid crystal driver module；
The liquid crystal driver module is exported to the display panels for being adjusted according to the ambient temperature value for detecting
Common electric voltage.
7. a kind of driving means of display panels as claimed in claim 6, it is characterised in that first temperature is preset
The span of value is 80 DEG C～90 DEG C.
8. a kind of driving method of display panels, it is characterised in that methods described includes step：
S1：Real-time detection ambient temperature；
S2：Judge the ambient temperature value for detecting whether more than the first temperature preset value；If the ambient temperature value is more than described
First temperature preset value, goes to step S4；Otherwise, step S3 is gone to；
S3：First common electric voltage value of deposit is exported to display panels；
S4：The second common electric voltage value is exported to the display panels.
9. a kind of driving method of display panels as claimed in claim 8, it is characterised in that second common electric voltage
Value is drawn according to the first common electric voltage value and default parameter value calculation of the deposit.
10. a kind of driving method of display panels as claimed in claim 8 or 9, it is characterised in that first temperature
The span of preset value is 80 DEG C～90 DEG C.
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| CN201611160716.3A CN106504715A (en) | 2016-12-15 | 2016-12-15 | A kind of drive module of display panels, driving means and driving method |
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| CN201611160716.3A CN106504715A (en) | 2016-12-15 | 2016-12-15 | A kind of drive module of display panels, driving means and driving method |
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| WO2020097983A1 (en) * | 2018-11-12 | 2020-05-22 | 惠科股份有限公司 | Driving method and device for display panel |
| CN113593493A (en) * | 2021-07-15 | 2021-11-02 | Tcl华星光电技术有限公司 | Display panel common voltage adjusting method and device, storage medium and electronic equipment |
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Application publication date: 20170315 |