CN110534049A - Processing unit and processing method, the display equipment of the operating voltage of luminescent device - Google Patents
Processing unit and processing method, the display equipment of the operating voltage of luminescent device Download PDFInfo
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- CN110534049A CN110534049A CN201910854346.0A CN201910854346A CN110534049A CN 110534049 A CN110534049 A CN 110534049A CN 201910854346 A CN201910854346 A CN 201910854346A CN 110534049 A CN110534049 A CN 110534049A
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- voltage value
- luminescent device
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- pixel circuits
- operating voltage
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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
- G09G3/2007—Display of intermediate tones
- G09G3/2074—Display of intermediate tones using sub-pixels
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
Abstract
This application provides a kind of processing units of the operating voltage of luminescent device and processing method, display equipment, and processing unit includes message processing module and acquisition module.Acquisition module acquires the voltage value of each sub-pixel circuits and the operating voltage value of luminescent device for being electrically connected with each sub-pixel circuits of display panel；Message processing module is electrically connected with acquisition module, for receiving the voltage value of sub-pixel circuits and the operating voltage value of luminescent device；According to the voltage value of the input voltage value of display panel and sub-pixel circuits, the first voltage undulating value of sub-pixel circuits is determined；According to the operating voltage value of first voltage undulating value and luminescent device, the revised operating voltage value of the luminescent device of sub-pixel circuits is determined.Message processing module makees further amendment to remove noise, so that the accuracy of the revised operating voltage value of luminescent device is higher to the operating voltage value of the luminescent device according to input voltage value and voltage value.
Description
Technical field
This application involves field of display technology, specifically, this application involves a kind of places of the operating voltage of luminescent device
Manage device and processing method, display equipment.
Background technique
Display panel in use, luminescent device can current density be caused constantly to reduce because of aging, in turn
Cause light emission luminance constantly to decline, causes the appearance of display panel to show bad.
In order to overcome the undesirable defect of display, the operating voltage of luminescent device usually can detecte, according to luminescent device
Operating voltage compensates light emission luminance.Above scheme generally requires the operating voltage detected to have higher accuracy,
To guarantee to determine accurate brightness offset value.
However, using existing detection method detection luminescent device operating voltage when be easy affected by noise, cause
The operating voltage accuracy of the luminescent device detected is lower.
Summary of the invention
The application is directed to the shortcomings that existing way, proposes processing unit and the processing side of a kind of operating voltage of luminescent device
Method, display equipment, the lower technology of operating voltage accuracy to solve the luminescent device that existing detection method detects are asked
Topic.
In a first aspect, the embodiment of the present application provides a kind of processing unit of the operating voltage of luminescent device, including information
Processing module and acquisition module；
Acquisition module acquires the power supply of each sub-pixel circuits for being electrically connected with each sub-pixel circuits of display panel
The operating voltage value of voltage value and luminescent device；
Message processing module is electrically connected with acquisition module, for receiving the voltage value and photophore of sub-pixel circuits
The operating voltage value of part；According to the voltage value of the input voltage value of display panel and sub-pixel circuits, sub-pixel is determined
The first voltage undulating value of circuit；According to the operating voltage value of first voltage undulating value and luminescent device, sub-pixel electricity is determined
The revised operating voltage value of the luminescent device on road.
Second aspect, the embodiment of the present application provide a kind of processing method of the operating voltage of luminescent device, are applied to this
Apply for the processing unit of the operating voltage for the luminescent device that embodiment provides, comprising:
Receive the voltage value of sub-pixel circuits and the operating voltage value of luminescent device, voltage value and luminescent device
Operating voltage value acquired by acquisition module；
According to the voltage value of the input voltage value of display panel and sub-pixel circuits, the of sub-pixel circuits is determined
One magnitude of a voltage fluctuation；
According to the operating voltage value of first voltage undulating value and luminescent device, determine that the luminescent device of sub-pixel circuits is repaired
Operating voltage value after just.
Technical solution provided by the embodiments of the present application, at least has the following beneficial effects:
In the embodiment of the present application, the work electricity of the voltage value and luminescent device of acquisition module acquisition sub-pixel circuits
Pressure value, in order to improve the operating voltage value accuracy of collected luminescent device, message processing module is according to the defeated of display panel
The voltage value for entering voltage value and sub-pixel circuits makees further amendment to the operating voltage value of the luminescent device, to reach
The purpose for removing noise, so that the accuracy of the revised operating voltage value of luminescent device is higher.In the luminance of display panel
Compensated stage is spent, more accurate brightness offset value is determined according to the revised operating voltage value of luminescent device, so that display
Panel reaches expected display effect.
The additional aspect of the application and advantage will be set forth in part in the description, these will become from the following description
It obtains obviously, or recognized by the practice of the application.
Detailed description of the invention
The application is above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, in which:
Fig. 1 is a kind of structural schematic diagram for showing equipment provided by the embodiments of the present application, and display equipment includes a kind of shine
The processing unit of the operating voltage of device；
Fig. 2 is the structural schematic diagram of a sub-pixel circuits provided by the embodiments of the present application；
Fig. 3 is a kind of module diagram of first buffer provided by the embodiments of the present application；
Fig. 4 is a kind of module diagram of cache module provided by the embodiments of the present application；
Fig. 5 is a kind of flow diagram of the processing method of the operating voltage of luminescent device provided by the embodiments of the present application；
Fig. 6 is a kind of flow diagram of the extension processing method of pixel compensation data provided by the embodiments of the present application.
In figure:
The processing unit of the operating voltage of 100- luminescent device；
1- message processing module；11- filter；The first buffer of 12-；
121- cache module；The first cache unit of 1211-；The second cache unit of 1212-；
13- gate drivers；The second buffer of 14-；15- third buffer；16- data-interface；
2- acquisition module；21- multiple selector；22- analog-digital converter；3- memory；
200- display panel；300- power module；400- host computer.
Specific embodiment
The application is described below in detail, the example of the embodiment of the present application is shown in the accompanying drawings, wherein it is identical from beginning to end or
Similar label indicates same or similar component or component with the same or similar functions.In addition, if known technology
Detailed description is characterized in the application shown unnecessary, then omits it.Below with reference to the reality of attached drawing description
It applies example to be exemplary, is only used for explaining the application, and the limitation to the application cannot be construed to.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific term), there is meaning identical with the general understanding of those of ordinary skill in the application fields.It should also manage
Solution, those terms such as defined in the general dictionary, it should be understood that have and meaning in the context of the prior art
Consistent meaning, and unless otherwise will not be solved with idealization or meaning too formal by specific definitions as here
It releases.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singular " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that being arranged used in the description of the present application
Diction " comprising " refer to that there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
Other one or more features, integer, step, operation, element, component and/or their group.Wording used herein " and/
Or " it include one or more associated wholes for listing item or any cell and all combinations.
The embodiment of the present application provides a kind of processing unit 100 of the operating voltage of luminescent device, as shown in Figure 1, processing
Device 100 includes message processing module 1 and acquisition module 2.Acquisition module 2 is used for and each sub-pixel of display panel 200 electricity
Road electrical connection, acquires the voltage value of each sub-pixel circuits and the operating voltage value of luminescent device.
Message processing module 1 is electrically connected with acquisition module 2, for receiving the voltage value of sub-pixel circuits and shining
The operating voltage value of device；According to the voltage value of the input voltage value of display panel 200 and sub-pixel circuits, son is determined
The first voltage undulating value of pixel circuit；According to the operating voltage value of first voltage undulating value and luminescent device, sub- picture is determined
The revised operating voltage value of the luminescent device of plain circuit.
Fig. 2 shows the structural schematic diagram of a sub-pixel circuits, sub-pixel circuits include pixel-driving circuit unit and
Luminescent device.In Fig. 2, OLED (Organic Light Emitting Diode, organic luminous semiconductor) is luminescent device；
ELVDD is voltage input end, and ELVSS is voltage output end；M1 and M2 is switching device, and switching device can use film crystal
Pipe；Data is display data, and GATE is the driving signal of control switch device M2 turn-on and turn-off.
The operating voltage value of the luminescent device of sub-pixel circuits is the voltage at the both ends OLED in Fig. 2, the confession of sub-pixel circuits
Piezoelectric voltage value is the input voltage of voltage input end ELVDD.
It should be noted that the sub-pixel circuits in the application implementation may be other forms, details are not described herein again.
In the display device, display device configuration has power module 300 to the application of display panel 200.Power module 300 and aobvious
Show that panel 200 is electrically connected, for providing electric energy for display panel 200.In the embodiment of the present application, the input of display panel 200
Voltage value is the output voltage of power module 300.
In the processing unit 100 of the operating voltage of luminescent device provided by the embodiments of the present application, acquisition module 2 acquires son
The voltage value of pixel circuit and the operating voltage value of luminescent device, in order to improve the operating voltage of collected luminescent device
It is worth accuracy, message processing module 1 is according to the input voltage value of display panel 200 and the voltage value of sub-pixel circuits to this
The operating voltage value of luminescent device makees further amendment, to achieve the purpose that remove noise, so that luminescent device is revised
The accuracy of operating voltage value is higher.In the light emission luminance compensated stage of display panel 200, according to the revised work of luminescent device
More accurate brightness offset value is determined as voltage value, so that display panel 200 reaches expected display effect.
Optionally, in the processing unit 100 of the operating voltage of luminescent device provided by the embodiments of the present application, such as Fig. 1 institute
Show, message processing module 1 includes filter 11, and acquisition module 2 includes multiple selector 21 and analog-digital converter 22, multi-path choice
Device 21 includes output end and multiple input terminals.
Each input terminal of multiple selector 21, for being electrically connected with the sub-pixel circuits for corresponding to row in display panel 200,
Acquire the voltage value of each sub-pixel circuits with a line and the operating voltage value of luminescent device；Multiple selector 21 it is defeated
Outlet is electrically connected with the input terminal of analog-digital converter 22.
The output end of analog-digital converter 22 is electrically connected with the input terminal of the filter 11 in message processing module 1, for
Filter 11 sends the voltage value of sub-pixel circuits and the operating voltage value of luminescent device.
Filter 11, for determining according to the input voltage value of display panel 200 and the voltage value of sub-pixel circuits
The first voltage undulating value of sub-pixel circuits out；According to the operating voltage value of first voltage undulating value and luminescent device, determine
The revised operating voltage value of the luminescent device of sub-pixel circuits simultaneously exports.
The quantity of the input terminal of multiple selector 21 is no less than the sub-pixel circuits line number of display panel 200.For example, display
Panel 200 has 10 row sub-pixel circuits, and every row sub-pixel circuits include 100 pixels, then multiple selector 21 at least the 1st
To the 10th input terminal, this 10 input terminals and 10 row sub-pixel circuits are corresponded.Multiple selector 21 can be defeated by one
Enter the voltage value of 100 sub-pixel circuits and the operating voltage value of luminescent device in end acquisition a line.
Multiple selector 21 is by the operating voltage of the voltage value of each sub-pixel circuits of same a line and luminescent device
Value is delivered to analog-digital converter 22 by output end.Analog-digital converter 22 is by the supply voltage of each sub-pixel circuits of same a line
Value and the operating voltage value of luminescent device are delivered to analog-digital converter 22 by output end, pass through the output end of analog-digital converter 22
It is sent to filter 11.
Optionally, in the processing unit 100 of the operating voltage of luminescent device provided by the embodiments of the present application, such as Fig. 1 institute
Show, message processing module 1 further includes the first buffer 12.
As shown in figure 3, the first buffer 12 includes multiple cache modules 121, the input terminal and acquisition mould of cache module 121
Block 2 is electrically connected.Multiple cache modules 121 are respectively used to receive the voltage value that the sub-pixel circuits of same a line are repeatedly collected
With the operating voltage value of luminescent device.That is, to be used to receive the sub-pixel circuits with a line primary for cache module 121
The operating voltage value of collected voltage value and luminescent device.
The input terminal of filter 11 is electrically connected with the output end of multiple cache modules 121, for multiple in sub-pixel circuits
The benchmark job voltage value that a luminescent device is determined in the operating voltage value of collected luminescent device, in sub-pixel circuits
Repeatedly a benchmark voltage value is determined in collected voltage value；According to the input voltage value of display panel 200
With the benchmark voltage value of sub-pixel circuits, the first voltage undulating value of sub-pixel circuits is determined；According to sub-pixel circuits
First voltage undulating value and luminescent device benchmark job voltage value, determine that the luminescent device of sub-pixel circuits is revised
Operating voltage value simultaneously exports.
Optionally, in the embodiment of the present application, the input terminal and analog-digital converter of the cache module 121 of the first buffer 12
22 output end electrical connection.
In the processing unit 100 of the operating voltage of application luminescent device provided by the embodiments of the present application, multiple selector
21 can be by an input terminal, voltage value of the continuous several times to each sub-pixel circuits of same a line within a short period of time
It is acquired with the operating voltage value of luminescent device, and cache module 121, each caching mould is delivered to by analog-digital converter 22
Block 121 stores the operating voltage value of sub-pixel circuits corresponding the collected voltage value and luminescent device with a line.
For example, multiple selector 21 can be by the 1st input terminal, continuous 7 times to the 100 of the 1st row within a short period of time
The voltage value of a sub-pixel circuits and the operating voltage value of luminescent device are acquired, and are conveyed by analog-digital converter 22
To cache module 121.The collected power supply electricity of the 1st time of 100 sub-pixel circuits that 1st cache module 121 stores the 1st row
The operating voltage value of pressure value and luminescent device, the 2nd cache module 121 store the 2nd time of 100 sub-pixel circuits of the 1st row
The operating voltage value of collected voltage value and luminescent device, and so on, the 7th cache module 121 stores the 1st row
The operating voltage value of 7th collected voltage value and luminescent device of 100 sub-pixel circuits.
Optionally, as shown in figure 4, cache module 121 includes the first cache unit 1211 and the second cache unit 1212.The
One cache unit 1211 is used to store the operating voltage value of the luminescent device being once collected with the sub-pixel circuits of a line, and second
Cache unit 1212 is for storing the voltage value being once collected with the sub-pixel circuits of a line.For example, the 1st caching mould
First cache unit 1211 of block 121 is used to store the 1st collected luminescent device of 100 sub-pixel circuits of the 1st row
Operating voltage value, the second cache unit 1212 of the 1st cache module 121 is used to store 100 sub-pixel circuits of the 1st row
The 1st collected voltage value.
The sub-pixel circuits that multiple cache modules 121 of first buffer 12 can receive same a line respectively are repeatedly collected
Voltage value and luminescent device operating voltage value, this for multiple selector 21 within a short period of time continuous several times to same
The capable voltage value of each sub-pixel circuits and the operating voltage value of luminescent device is acquired and provides feasible condition.In
In the processing unit 100 of the operating voltage of luminescent device provided by the embodiments of the present application, filter 11 is multiple in sub-pixel circuits
A benchmark voltage value is determined in collected voltage value, and in the confession being repeatedly collected in sub-pixel circuits
A benchmark voltage value is determined in piezoelectric voltage value, this can influence to avoid random noise to collection result, facilitate
Improve the accuracy rate of the revised operating voltage value of luminescent device.
Optionally, in the processing unit 100 of the operating voltage of luminescent device provided by the embodiments of the present application, information processing
Module 1 further includes gate drivers 13, and gate drivers 13 are used to be electrically connected with each sub-pixel circuits of display panel 200,
For sending grid signal to sub-pixel circuits.
The gate drivers 13 of message processing module 1 can replace the gate drivers of display panel 200 itself, therefore
The gate drivers of test phase, display panel 200 itself are not necessarily to work.
Optionally, as shown in Figure 1, the processing unit 100 of the operating voltage of luminescent device provided by the embodiments of the present application is gone back
Including memory 3.Memory 3 is electrically connected with 1 first output end of message processing module, revised for storing luminescent device
Operating voltage value.
Optionally, as shown in Figure 1, the input terminal of memory 3 is electrically connected with the output end of filter 11, filter 11 will be sent out
The revised operating voltage value of optical device is delivered to memory 3 and is stored.
Optionally, as shown in Figure 1, the processing unit 100 of the operating voltage of luminescent device provided by the embodiments of the present application is gone back
Including the second buffer 14, the input terminal of the second buffer 14 is electrically connected with the output end of filter 11, the second buffer 14
Output end is electrically connected with the input terminal of memory 3.The revised operating voltage value of luminescent device is delivered to second by filter 11
Buffer 14, in the second buffer 14 after storage to the revised operating voltage value of luminescent device of preset quantity, by present count
The revised operating voltage value of the luminescent device of amount is delivered to memory 3 and is stored.
Optionally, as shown in Figure 1, the second buffer 14 can be according to the principle of first in, first out by the photophore of preset quantity
The revised operating voltage value of part is successively delivered to memory 3 and is stored.
Optionally, as shown in Figure 1, the output end of memory 3 can be electrically connected with the specified device except processing unit 100
It connects, for exporting the revised operating voltage value of luminescent device.
Optionally, specified device can be host computer 400.
Optionally, as shown in Figure 1, the processing unit 100 of the operating voltage of luminescent device provided by the embodiments of the present application is gone back
Including third buffer 15 and data-interface 16.
The input terminal of third buffer 15 is electrically connected with the output end of memory 3, the output end and number of third buffer 15
It is electrically connected according to the input terminal of interface 16, the output end of data-interface 16 is electrically connected with the specified device except processing unit.Storage
The revised operating voltage value of luminescent device is delivered to and deposits third buffer 15 by device 3, and storage is arrived default in third buffer 15
After the revised operating voltage value of the luminescent device of quantity, the revised operating voltage value of the luminescent device of preset quantity is passed through
Several mouthfuls of data are delivered to designated equipment.
Optionally, third buffer 15 can be revised by the luminescent device of preset quantity according to the principle of first in, first out
Operating voltage value is sequentially output.
Optionally, the type of memory 3 can for Double Data Rate synchronous DRAM, high bandwidth memory, hard disk,
Flash memories and solid state hard disk etc..
Based on the same inventive concept, the embodiment of the present application also provides a kind of display equipment, as shown in Figure 1, display equipment
The processing of operating voltage including display panel 200, power module 300 and luminescent device provided by the embodiments of the present application fills
Set 100.
Power module 300 is electrically connected with the power input of display panel 200, the acquisition module 2 in processing unit and aobvious
Show each sub-pixel circuits electrical connection of panel 200.
Power module 300 is used to provide electric energy for display panel 200.In the embodiment of the present application, display panel 200 is defeated
Enter the output voltage that voltage value is power module 300.
Optionally, each input terminal of the multiple selector 21 of acquisition module 2, with the son for corresponding to row in display panel 200
Pixel circuit electrical connection.
Optionally, display panel 200 is configured with luminescent device operating voltage detection line and supply voltage detection line, multichannel choosing
Select each input terminal of device 21 and luminescent device operating voltage detection line corresponding in display panel 200 and supply voltage detection line
Electrical connection.
Optionally, as shown in Figure 1, display equipment provided by the embodiments of the present application further includes host computer 400.In processing unit
The second output terminal of message processing module 1 be electrically connected with the input terminal of host computer 400, for will be after the amendment of each luminescent device
Operating voltage value be sent to host computer 400.
The output end of host computer 400 is electrically connected with the circuit of display driving of display panel 200, is used for luminescent device
Revised operating voltage value is exported to circuit of display driving, so that circuit of display driving is revised according to luminescent device
The driving voltage of operating voltage value adjustment sub-pixel circuits.
In display equipment provided by the embodiments of the present application, acquisition module 2 acquire sub-pixel circuits voltage value and
The operating voltage value of luminescent device, in order to improve the operating voltage value accuracy of collected luminescent device, message processing module 1
The operating voltage value of the luminescent device is made according to the input voltage value of display panel 200 and the voltage value of sub-pixel circuits
Further amendment, to achieve the purpose that remove noise, so that the accuracy of the revised operating voltage value of luminescent device is higher.
In the light emission luminance compensated stage of display panel 200, circuit of display driving is according to the revised operating voltage value of luminescent device
More accurate brightness offset value is determined, so that display panel 200 reaches expected display effect.
Based on the same inventive concept, the embodiment of the present application also provides a kind of processing sides of the operating voltage of luminescent device
Method, the processing unit 100 of the operating voltage applied to luminescent device provided by the embodiments of the present application, the flow diagram of this method
As shown in Figure 5, comprising:
S501: message processing module 1 receives the voltage value of sub-pixel circuits and the operating voltage value of luminescent device, supplies
Piezoelectric voltage value and the operating voltage value of luminescent device are acquired by acquisition module 2.
Acquisition module 2 is electrically connected with each sub-pixel circuits of display panel 200, the collected sub-pixel of acquisition module 2
Message processing module 1 is delivered to after the voltage value of circuit and the operating voltage value of luminescent device.
Optionally, message processing module 1 receives the voltage value and hair being repeatedly collected with the sub-pixel circuits of a line
The operating voltage value of optical device determines a hair in the operating voltage value for the luminescent device that sub-pixel circuits are repeatedly collected
The benchmark job voltage value of optical device determines a benchmark power supply in the voltage value that sub-pixel circuits are repeatedly collected
Voltage value.
S502: message processing module 1 is according to the input voltage value of display panel 200 and the supply voltage of sub-pixel circuits
Value, determines the first voltage undulating value of sub-pixel circuits.
Optionally, message processing module 1 is powered according to the input voltage value of display panel 200 and the benchmark of sub-pixel circuits
Voltage value determines the first voltage undulating value of sub-pixel circuits
S503: message processing module 1 determines sub- picture according to the operating voltage value of first voltage undulating value and luminescent device
The revised operating voltage value of the luminescent device of plain circuit.
Optionally, message processing module 1 is according to the first voltage undulating value of sub-pixel circuits and the benchmark work of luminescent device
Make voltage value, determines the revised operating voltage value of the luminescent device of sub-pixel circuits.
In the processing method of the operating voltage of luminescent device provided by the embodiments of the present application, acquisition module 2 acquires sub- picture
The voltage value of plain circuit and the operating voltage value of luminescent device, in order to improve the operating voltage value of collected luminescent device
Accuracy, message processing module 1 is according to the input voltage value of display panel 200 and the voltage value of sub-pixel circuits to the hair
The operating voltage value of optical device makees further amendment, to achieve the purpose that remove noise, so that the revised work of luminescent device
The accuracy for making voltage value is higher.In the light emission luminance compensated stage of display panel 200, according to the revised work of luminescent device
Voltage value determines more accurate brightness offset value, so that display panel 200 reaches expected display effect.
Optionally, the processing method of the operating voltage of luminescent device provided by the embodiments of the present application, further includes:
S504: the revised operating voltage value of luminescent device is delivered to memory 3 and is stored by message processing module 1.
The embodiment of the present application also provides a kind of extension processing method of pixel compensation data, the flow diagrams of this method
As shown in Figure 6, comprising:
S601: the first buffer 12 receives the voltage value and photophore being repeatedly collected with the sub-pixel circuits of a line
The operating voltage value of part executes S602 and S603 later.
For example, the first buffer 12 includes 7 cache units, multiple selector 21 can by the 1st input terminal, compared with
The operating voltage value of the voltage value and luminescent device of continuous 7 times 100 sub-pixel circuits to the 1st row carries out in short time
Acquisition, and corresponding cache module 121 is delivered to by analog-digital converter 22.1st cache module 121 stores the 100 of the 1st row
The operating voltage value of 1st collected voltage value and luminescent device of a sub-pixel circuits, the 2nd cache module 121
The operating voltage value for storing the 2nd collected voltage value and luminescent device of 100 sub-pixel circuits of the 1st row, according to
It is secondary to analogize, the 7th cache module 121 store 100 sub-pixel circuits of the 1st row the 7th collected voltage value and
The operating voltage value of luminescent device.
Further, the first cache unit 1211 storage of cache module 121 is once adopted with the sub-pixel circuits of a line
The operating voltage value of the luminescent device of collection, the second cache unit 1212 of cache module 121 store the sub-pixel circuits with a line
Once collected voltage value.For example, the first cache unit 1211 of the 1st cache module 121 stores the 100 of the 1st row
Second caching of the operating voltage value of the 1st collected luminescent device of a sub-pixel circuits, the 1st cache module 121 is single
Member 1212 stores the 1st collected voltage value of 100 sub-pixel circuits of the 1st row.
S602: filter 11 determines one in the operating voltage value for the luminescent device that sub-pixel circuits are repeatedly collected
The benchmark job voltage value of luminescent device, executes S605 later.
Optionally, the median of the operating voltage value for the luminescent device that sub-pixel circuits are repeatedly collected by filter 11,
It is determined as the benchmark job voltage value of luminescent device.
For example, the operating voltage value of 7 collected luminescent devices of the 1st sub-pixel circuits of the 1st row is respectively
1.01V, 0.97V, 1.07V, 0.99V, 1V, 1.04V and 1.02V.1.01V is the middle position of the operating voltage value of 7 luminescent devices
1.01V, then is determined as the benchmark job voltage value of luminescent device by number.
It is of course also possible to use the operating voltage value for the luminescent device that other modes are repeatedly collected in sub-pixel circuits
In determine the benchmark job voltage value an of luminescent device.For example, the luminescent device being repeatedly collected in sub-pixel circuits
It is averaged in operating voltage value.
S603: filter 11 determines a benchmark power supply electricity in the voltage value that sub-pixel circuits are repeatedly collected
Pressure value, executes S604 later.
Optionally, the median for the voltage value that sub-pixel circuits are repeatedly collected by filter 11, on the basis of determining
Voltage value.
For example, 7 collected voltage values of the 1st sub-pixel circuits of the 1st row be respectively 3.01V, 2.97V,
3.07V, 2.99V, 3V, 3.04V and 3.02V.3.01V is the median of 7 voltage values, then is determined as shining by 3.01V
The benchmark job voltage value of device.
It is of course also possible to use other modes determine one in the voltage value that sub-pixel circuits are repeatedly collected
A benchmark voltage value.For example, being averaged in the voltage value that sub-pixel circuits are repeatedly collected.
S604: filter 11 according to the input voltage value of display panel 200 and the benchmark voltage value of sub-pixel circuits,
The first voltage undulating value for determining sub-pixel circuits, executes S605 later.
Optionally, the benchmark voltage value that the input voltage value of display panel 200 subtracts sub-pixel circuits is obtained
Difference, the first voltage undulating value as sub-pixel circuits.
Alternatively, can be according to actual needs in input voltage value and/or benchmark voltage value multiplied by preset weight system
After number, then subtracted each other to obtain difference, using the difference as the first voltage undulating value of sub-pixel circuits.
Or other variables can also be further introduced into, sub-pixel is subtracted in the input voltage value of display panel 200
After the benchmark voltage value of circuit obtains difference, the difference and its dependent variable are done into further operation, operation result is made
For the first voltage undulating value of sub-pixel circuits.
S605: filter 11 is according to the first voltage undulating value of sub-pixel circuits and the benchmark job voltage of luminescent device
Value, determines the revised operating voltage value of the luminescent device of sub-pixel circuits.
After optionally, the benchmark job voltage value of the luminescent device of sub-pixel circuits is added with first voltage undulating value
Arrive and value, as the revised operating voltage value of luminescent device.
Alternatively, can multiply according to actual needs in the benchmark job voltage value of luminescent device and/or first voltage undulating value
After preset weight coefficient, then be added and obtain the sum value, by this and is worth as the revised operating voltage value of luminescent device.
Or other variables can also be further introduced into, the benchmark job voltage of the luminescent device of sub-pixel circuits
Value is added with first voltage undulating value obtain the sum value after, this and value and its dependent variable are done into further operation, by operation result
As the revised operating voltage value of luminescent device.
S606: the revised operating voltage value of luminescent device is delivered to memory 3 and is stored by filter 11.
Optionally, the revised operating voltage value of luminescent device is delivered to the second buffer 14 by filter 11, and second is slow
In storage 14 after storage to the revised operating voltage value of luminescent device of preset quantity, the luminescent device of preset quantity is corrected
Operating voltage value afterwards is delivered to memory 3 and is stored.
Optionally, memory 3 exports the revised operating voltage value of luminescent device to host computer 400.
Optionally, the revised operating voltage value of luminescent device is delivered to and deposits third buffer 15 by memory 3, and third is slow
In storage 15 after storage to the revised operating voltage value of luminescent device of preset quantity, the luminescent device of preset quantity is corrected
Operating voltage value afterwards is delivered to host computer 400 by several mouthfuls of data.
Optionally, host computer 400 exports the revised operating voltage value of luminescent device to circuit of display driving, so that
Circuit of display driving adjusts the driving voltage of sub-pixel circuits according to the revised operating voltage value of luminescent device.
Those skilled in the art of the present technique have been appreciated that in the application the various operations crossed by discussion, method, have walked in process
Suddenly, measure, scheme can be replaced, changed, combined or be deleted.Further, various with what is crossed by discussion in the application
Operation, method, other steps, measures, and schemes may also be alternated, changed, rearranged, decomposed, combined or deleted in process.Into one
Step ground, having in the prior art can also be by with steps, measures, and schemes in various operations disclosed herein, method, process
Alternately, it changes, reset, decompose, combine or deletes.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
It should be understood that although each step is successively shown according to the instruction of arrow in the flow chart of attached drawing, this
A little steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly state otherwise herein, these steps
It executes there is no the limitation of stringent sequence, can execute in the other order.Moreover, at least part in the flow chart of attached drawing
Step may include that perhaps these sub-steps of multiple stages or stage are executed in synchronization to multiple sub-steps
It completes, but can execute at different times, execution sequence, which is also not necessarily, successively to be carried out, but can be with other steps
Either the sub-step of other steps or at least part in stage execute in turn or alternately.
The above is only some embodiments of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (10)
1. a kind of processing unit of the operating voltage of luminescent device, which is characterized in that including message processing module (1) and acquisition mould
Block (2)；
The acquisition module (2) acquires each sub- picture for being electrically connected with each sub-pixel circuits of display panel (200)
The voltage value of plain circuit and the operating voltage value of luminescent device；
The message processing module (1), is electrically connected, for receiving described in the sub-pixel circuits with the acquisition module (2)
The operating voltage value of luminescent device and the voltage value；According to the input voltage value of the display panel (200) and described
The voltage value of sub-pixel circuits determines the first voltage undulating value of the sub-pixel circuits；According to described first
The operating voltage value of magnitude of a voltage fluctuation and the luminescent device, after the luminescent device amendment for determining the sub-pixel circuits
Operating voltage value.
2. the processing unit of the operating voltage of luminescent device according to claim 1, which is characterized in that the information processing
Module (1) includes filter (11), and the acquisition module (2) includes multiple selector (21) and analog-digital converter (22), described
Multiple selector (21) includes output end and multiple input terminals；
Each of the multiple selector (21) input terminal is used for and corresponds to the described of row in the display panel (200)
Sub-pixel circuits electrical connection acquires operating voltage value and the institute of the luminescent device with each of a line sub-pixel circuits
State voltage value；The output end of the multiple selector (21) is electrically connected with the input terminal of the analog-digital converter (22)；
The output end of the analog-digital converter (22), the input terminal electricity with the filter (11) in the message processing module (1)
Connection, the operating voltage value and the confession of the luminescent device for sending the sub-pixel circuits to the filter (11)
Piezoelectric voltage value；
The filter (11) is used for the input voltage value and the sub-pixel circuits according to the display panel (200)
The voltage value, determine the first voltage undulating value of the sub-pixel circuits；According to the first voltage wave
The operating voltage value of dynamic value and the luminescent device, determines the revised work of the luminescent device of the sub-pixel circuits
Voltage value simultaneously exports.
3. the processing unit of the operating voltage of luminescent device according to claim 2, which is characterized in that the information processing
Module (1) further includes the first buffer (12)；
First buffer (12) includes multiple cache modules (121), and the input terminal of the cache module (121) is adopted with described
Collect module (2) electrical connection；Multiple cache modules (121) are respectively used to receive the sub-pixel circuits of same a line repeatedly quilt
The operating voltage value of the luminescent device of acquisition and the voltage value；
The input terminal of the filter (11) is electrically connected with the output end of multiple cache modules (121), in the son
The benchmark work of the luminescent device is determined in the operating voltage value for the luminescent device that pixel circuit is repeatedly collected
Make voltage value, determines a benchmark supply voltage in the voltage value that the sub-pixel circuits are repeatedly collected
Value；According to the benchmark voltage value of the input voltage value of display panel (200) and the sub-pixel circuits, institute is determined
State the first voltage undulating value of sub-pixel circuits；According to the first voltage undulating value of the sub-pixel circuits and it is described shine
The benchmark job voltage value of device determines the revised operating voltage value of the luminescent device of the sub-pixel circuits and defeated
Out.
4. the processing unit of the operating voltage of luminescent device according to claim 1, which is characterized in that the information processing
Module (1) further includes gate drivers (13), and the gate drivers (13) are used for and each of display panel (200) son
Pixel circuit electrical connection, for sending grid signal to the sub-pixel circuits.
5. the processing unit of the operating voltage of luminescent device according to any one of claim 1 to 4, which is characterized in that
It further include memory (3)；
The memory (3) is electrically connected, for storing the luminescent device with (1) first output end of message processing module
Revised operating voltage value.
6. a kind of display equipment, which is characterized in that including display panel (200), power module (300) and such as claim
The processing unit of the operating voltage of luminescent device described in any one of 1-5；
The power module (300) is electrically connected with the power input of the display panel (200), the institute in the processing unit
Each of acquisition module (2) and the display panel (200) sub-pixel circuits are stated to be electrically connected.
7. display equipment according to claim 6, which is characterized in that further include host computer (400)；
The second output terminal of message processing module (1) in the processing unit and the input terminal of the host computer (400) are electrically connected
It connects, for each revised operating voltage value of luminescent device to be sent to the host computer (400)；
The output end of the host computer (400), is electrically connected with the circuit of display driving of the display panel (200), and being used for will
The revised operating voltage value of luminescent device is exported to the circuit of display driving, so that the circuit of display driving
The driving voltage of the sub-pixel circuits is adjusted according to the revised operating voltage value of the luminescent device.
8. a kind of processing method of the operating voltage of luminescent device is applied to according to any one of claims 1 to 5 shine
The processing unit of the operating voltage of device characterized by comprising
Receive the voltage value of sub-pixel circuits and the operating voltage value of luminescent device, the operating voltage value of the luminescent device
It is acquired with the voltage value by acquisition module (2)；
According to the voltage value of the input voltage value of display panel (200) and the sub-pixel circuits, determine described
The first voltage undulating value of sub-pixel circuits；
According to the operating voltage value of the first voltage undulating value and the luminescent device, the institute of the sub-pixel circuits is determined
State the revised operating voltage value of luminescent device.
9. the processing method of the operating voltage of luminescent device according to claim 8, which is characterized in that described to receive sub- picture
The voltage value of plain circuit and the operating voltage value of luminescent device, comprising: reception is multiple with the sub-pixel circuits of a line
The operating voltage value of the collected luminescent device and the voltage value are repeatedly collected in the sub-pixel circuits
The benchmark job voltage value that the luminescent device is determined in the operating voltage value of the luminescent device, in the sub-pixel
A benchmark voltage value is determined in the voltage value that circuit is repeatedly collected；
And it is described according to the input voltage value of display panel (200) and the voltage value of the sub-pixel circuits, really
Make the first voltage undulating value of the sub-pixel circuits, comprising: the input voltage value and institute according to display panel (200)
The benchmark voltage value for stating sub-pixel circuits, determines the first voltage undulating value of the sub-pixel circuits；
And the operating voltage value according to the first voltage undulating value and the luminescent device, determine the sub- picture
The revised operating voltage value of the luminescent device of plain circuit, comprising: according to the first voltage of the sub-pixel circuits
The benchmark job voltage value of undulating value and the luminescent device, after the luminescent device amendment for determining the sub-pixel circuits
Operating voltage value.
10. the processing method of the operating voltage of luminescent device according to claim 9, which is characterized in that described described
The benchmark of a luminescent device is determined in the operating voltage value for the luminescent device that sub-pixel circuits are repeatedly collected
Operating voltage value, comprising: the median of the operating voltage value for the luminescent device for being repeatedly collected the sub-pixel circuits,
It is determined as the benchmark job voltage value of the luminescent device；
And/or described determine that a benchmark supplies in the repeatedly collected voltage value of the sub-pixel circuits
Piezoelectric voltage value, comprising: the median for the voltage value for being repeatedly collected the sub-pixel circuits is determined as the base
Quasi- voltage value.
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