CN109658853A - A kind of display test method, driving circuit and the compensation detecting device of display device - Google Patents
A kind of display test method, driving circuit and the compensation detecting device of display device Download PDFInfo
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- CN109658853A CN109658853A CN201811522199.9A CN201811522199A CN109658853A CN 109658853 A CN109658853 A CN 109658853A CN 201811522199 A CN201811522199 A CN 201811522199A CN 109658853 A CN109658853 A CN 109658853A
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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
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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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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- Computer Hardware Design (AREA)
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- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses display test method, driving circuit and the compensation detecting device of a kind of display device, test method is shown comprising steps of starting display device, compensates value test operation to display panel, generate offset data；By the compensating module of offset data write-in display device；Display device remains powered on, and is loaded directly into compensating module, is loaded into offset data again, drives display panel to show according to offset data.It when being loaded into offset data again, does not need to restart display device to read offset data, it is possible thereby to save the time that display device is restarted, and display device restarts and needs to read other data and cause to waste a large amount of time.
Description
Technical field
The present invention relates to the display test method of field of display technology more particularly to a kind of display device, driving circuit and
Compensation detecting device.
Background technique
It is formed with the development of science and technology with progress, flat-panel monitor due to having thin fuselage, power saving and the low hot spot of radiation
For the main product of display, it is widely applied.Flat-panel monitor includes Thin Film Transistor-LCD (Thin
Film Transistor-Liquid Crystal Display, TFT-LCD) and Organic Light Emitting Diode (Organic
Light-Emitting Diode, OLED) display etc..Wherein, Thin Film Transistor-LCD passes through control liquid crystal molecule
Direction of rotation, the light refraction of backlight module is come out and generates picture, has that fuselage is thin, power saving, radiationless etc. numerous excellent
Point.Organic light emitting diode display is made of that have self-luminous, response time short, clear using organic electroluminescent LED
Many advantages, such as clear degree is with contrast height, achievable Flexible Displays and large area total colouring.
Due to the difference of panel factory processing procedure, lead to display panel when displaying an image, the brightness of panel has differences, industry
Interior commonly referred to as mura, i.e. Display panel is uneven, faces this problem, has a kind of method De- for removing mura in industry
Mura, is called the technology for eliminating screen dark line or bright rays, and this method can waste the plenty of time when reading various data, lead
It causes to lose a large amount of working hours.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of display test method of display device improved efficiency, drive
Dynamic circuit and compensation detecting device.
To achieve the above object, the present invention provides a kind of display test methods of display device, comprising steps of
Start display device, value test operation is compensated to display panel, generates offset data；
The offset data is written to the compensating module of the display device；
The display device remains powered on, and is loaded directly into the compensating module, is loaded into the offset data again, according to institute
Stating offset data drives the display panel to show.
Optionally, the offset data is written after the compensating module of the display device, also executes input heavy duty letter
Number the step of；
The display device remains powered on, and is loaded directly into the compensating module, is loaded into the offset data again, according to institute
It states in the step of offset data drives display panel display, the offset data is loaded into according to the override signal.
Optionally, the compensating module includes memory；
In the step of offset data is written to the compensating module of the display device: institute is written in the offset data
State the memory of display device；
It is remained powered in the display device, is loaded directly into the compensating module, be loaded into the step of the offset data again
In rapid: the display device is loaded directly into the offset data in the memory, drives the display according to the offset data
Display panel.
Optionally, the display test method further includes the process restarted to the display device, comprising:
Monitor Restart Signal；
When the Restart Signal meets predetermined logic, the display device executes following steps:
Read the display device initialization data；
Load the compensating module；
Display panel is driven to show according to the offset data.
The invention also discloses a kind of driving circuits of display device, comprising:
Compensating module is written with the offset data of the display device；
Display module is driven, is shown according to display device described in the compensated data-driven；
Wherein, the driving display module includes reloading interface, for receiving override signal；
After the reloading interface receives override signal, the driving circuit skips initialization step, directly adds again
Offset data in the compensating module is carried, the display panel is driven and is shown.
Optionally, the driving display module includes driving chip；
The driving chip includes restarting pin and heavily loaded pin,
It is described to restart pin for receiving Restart Signal；
The heavy duty pin is for receiving override signal；
When it is described restart pin and receive Restart Signal after, the driving circuit reads the display device and initializes number
According to progress initialization step；And offset data in the compensating module is loaded, the display panel is driven and is shown；
And after the heavily loaded pin receives the override signal, the driving circuit skips initialization step, directly
Offset data in the compensating module is reloaded, the display panel is driven and is shown.
Optionally, described to restart pin and heavily loaded pin shares the same physical pin, the Restart Signal and heavy duty letter
Number predetermined logic it is different.
Optionally, the driving chip includes pretreatment circuit, compensation circuit and display circuit；
The compensation circuit is connect with the compensating module, the compensation circuit also respectively with the pretreatment circuit and institute
State display circuit connection；
During data are transferred to the driving chip, the data enter after the pretreatment processing of circuit,
The heavy duty pin receives the override signal, and the compensation circuit is loaded into the offset data in the compensating module, described
Data enter the compensation circuit, carry out compensation data, and the compensated data enter the display circuit driving panel
Display.
Optionally, the driving display module further include:
First storage unit, the initialization data for storage driving chip；
The compensating module includes the second storage unit, and offset data is written to second storage by the compensating module
In unit, read from second storage unit by the compensation circuit.
The invention also discloses a kind of compensation detecting devices of display device, comprising:
Energization indication mechanism is powered to display device to be detected, and driving display device is shown；
Testing agency is compensated, for detecting the display effect of display device, generates offset data；
Written agency is compensated, the offset data that the compensation testing agency obtains is written the compensation of display device to be detected
Module；
Heavily loaded module generates override signal, is sent to the energization after offset data is written in the compensation written agency
Indication mechanism；
After the energization indication mechanism receives above-mentioned override signal, current display device to be detected is remained powered on；By institute
It states override signal and is sent to the display device to be detected, the display device is loaded into offset data again, with compensated
Data-driven display panel is shown
Relative to using restarting for the scheme to load offset data, the application be loaded into again offset data when
It waits, does not need to restart display device to read offset data, it is possible thereby to save the time that display device is restarted, and show dress
It sets to restart and needs to read other data and cause to waste a large amount of time；It only needs to remain powered on display device in this programme,
By being loaded directly into compensating module, offset data is read, the time for re-reading other data is therefore saved on, reaches and saves working hour
Effect.
Detailed description of the invention
Included attached drawing is used to provide that a further understanding of the embodiments of the present application, and which constitute one of specification
Point, for illustrating presently filed embodiment, and with verbal description come together to illustrate the principle of the application.Under it should be evident that
Attached drawing in the description of face is only some embodiments of the present application, for those of ordinary skill in the art, is not paying wound
Under the premise of the property made is laborious, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is a kind of step schematic diagram of the display test method of display device of the embodiment of the present invention；
Fig. 2 is the step schematic diagram of the display test method of another kind display device of the embodiment of the present invention；
Fig. 3 is the step schematic diagram of the display test method of another kind display device of the embodiment of the present invention；
Fig. 4 is the step schematic diagram of the display test method of another kind display device of the embodiment of the present invention；
Fig. 5 is a kind of schematic diagram of the driving circuit of display device of the embodiment of the present invention；
Fig. 6 is a kind of schematic diagram of driving chip of the embodiment of the present invention；
Fig. 7 is a kind of schematic diagram of display device of the embodiment of the present invention；
Fig. 8 is a kind of schematic diagram of the compensation detecting device of display device of the embodiment of the present invention.
Wherein, 100, driving circuit；200, display module is driven；210, driving chip；211, heavily loaded pin；212, restart
Pin；213, circuit is pre-processed；214, compensation circuit；215, display circuit；220, reloading interface；230, the first storage element；
300, compensating module；310, the second storage element；400, display panel；500, detection device；510, energization indication mechanism；520,
Compensate testing agency；530, written agency is compensated；540, heavily loaded module.
Specific embodiment
Specific structure and function details disclosed herein are only representative, and are for describing showing for the application
The purpose of example property embodiment.But the application can be implemented by many alternative forms, and be not interpreted as
It is limited only by the embodiments set forth herein.
In the description of the present application, it is to be understood that term " center ", " transverse direction ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or
Positional relationship is merely for convenience of description the application and simplifies description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, art
Language " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicate institute
The quantity of the technical characteristic of instruction." first " is defined as a result, the feature of " second " can explicitly or implicitly include one
Or more this feature.In the description of the present application, unless otherwise indicated, the meaning of " plurality " is two or more.
In addition, term " includes " and its any deformation, it is intended that cover and non-exclusive include.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in application.
Term used herein above is not intended to limit exemplary embodiment just for the sake of description specific embodiment.Unless
Context clearly refers else, otherwise singular used herein above "one", " one " also attempt to include plural number.Also answer
When understanding, term " includes " and/or "comprising" used herein above provide stated feature, integer, step, operation,
The presence of unit and/or component, and do not preclude the presence or addition of other one or more features, integer, step, operation, unit,
Component and/or combination thereof.
Below with reference to the accompanying drawings the invention will be further described with optional embodiment.
As shown in Figures 1 to 4, the embodiment of the present invention discloses a kind of display test method of display device, comprising steps of
S11: starting display device compensates value test operation to display panel, generates offset data；
S12: by the compensating module of offset data write-in display device；
S13: display device remains powered on, and is loaded directly into compensating module, is loaded into offset data again, is driven according to offset data
Dynamic display panel is shown.
In the present solution, do not need to restart display device when being loaded into offset data again to read offset data,
It is possible thereby to save the time that display device is restarted, and display device restarts and needs to read other data and cause waste a large amount of
Time；It only needs to remain powered on display device in this programme, by being loaded directly into compensating module, reads offset data, thus save
The time for re-reading other data is saved, achievees the effect that save working hour.
The present embodiment is optional, as shown in Fig. 2, also executing after the compensating module of offset data write-in display device
The step of inputting override signal；
Display device remains powered on, and is loaded directly into compensating module, is loaded into offset data again, is driven according to offset data aobvious
In the step of showing Display panel, offset data is loaded into according to override signal.
In the present solution, by external input override signal, so that offset data is in the compensating module for being written to display device
Later, display device detects override signal, and when override signal meets predetermined logic, predetermined logic can be rectangular pulse letter
Number as shown in figure 8, when override signal is lower level by high level, so that it may think compensating module write-in offset data
Step terminates, and then starts to read the offset data in compensating module, improves needs and restarts the side that could read offset data
Method.
The present embodiment is optional, and compensating module includes memory；
In the step of offset data is written to the compensating module of display device: the storage of offset data write-in display device
Device；
In the step of being remained powered in display device, be loaded directly into compensating module, being loaded into offset data again: display device
The offset data being loaded directly into memory drives display panel to show according to offset data.
In the present solution, offset data storage is in memory, memory has the function of efficient storage, and small in size,
The characteristics of stored memory is big, occupies little space, in the electronic component small suitable for space layout.
The present embodiment is optional, and display test method further includes the process restarted to display device, comprising:
Monitor Restart Signal；
When Restart Signal meets predetermined logic, display device executes following steps:
S31: display device initialization data is read；
S32: load compensating module；
S33: display panel is driven to show according to offset data.
In the present solution, display device can also load offset data by Restart Signal, make a reservation for when there is Restart Signal to be in
When waveform, display device reads initialization data, then loads compensating module, is shown according to the data of compensating module
Display panel.
As another embodiment of the present invention, refering to what is shown in Fig. 4, a kind of display test method of display device is disclosed,
Comprising steps of
S41: starting display device compensates value test operation to display panel, generates offset data；
S42: by the memory of offset data write-in display device；
S43: display device remains powered on, according to the offset data in override signal load store device, according to offset data
Driving display panel is shown.
As another embodiment of the present invention, with reference to shown in Fig. 5 to Fig. 7, a kind of driving circuit of display device is disclosed,
Include: compensating module 300, is written with the offset data of display device；Display module 200 is driven, is driven according to compensated data
Dynamic display device is shown；Wherein, driving display module 200 includes reloading interface 220, for receiving override signal；When heavy duty connects
After mouth 220 receives override signal, driving circuit 100 skips initialization step, directly reloads and compensates in compensating module 300
Data drive display panel and show.
In the present solution, do not need to restart display device when being loaded into offset data again to read offset data,
It is possible thereby to save the time that display device is restarted, and display device restarts and needs to read other data and cause waste a large amount of
Time；It only needs to remain powered on display device in this programme, by the override signal received by reloading interface, be loaded directly into
Compensating module can skip initialization step, and then read offset data, therefore saves on the time for re-reading other data, reaches
To the effect for saving working hour.
The present embodiment is optional, and driving display module 200 includes driving chip 210；Driving chip 210 includes restarting pin
212 and heavily loaded pin 211, pin 212 is restarted for receiving Restart Signal；Heavily loaded pin 211 is for receiving override signal；When weight
It opens after pin 212 receives Restart Signal, driving circuit 100 reads display device initialization data, carries out initialization step；And
Offset data in compensating module 300 is loaded, display panel is driven and is shown；And after heavily loaded pin 211 receives override signal,
Driving circuit 100 skips initialization step, directly reloads offset data in compensating module 300, drives to display panel aobvious
Show.
In the present solution, Restart Signal can be switching control key, when pressing lower switch, display device starting is carried out initial
Change step, loads offset data, shown；Override signal is also possible to switching control key either signal waveform.Heavy duty letter
When number being rectangular pulse signal, in override signal by low level to high level, then when becoming low level from high level, default
The process for being written to compensating module 300 for offset data terminates, and driving display module 100 directly starts to load compensating module 300,
Thus Display panel is carried out.
The present embodiment is optional, restarts pin 212 and heavily loaded pin 211 shares the same physical pin, Restart Signal and
The predetermined logic of override signal is different.
In the present solution, restart pin and heavily loaded pin can share a pin, Restart Signal is that high level is lower level
When be predetermined logic signal, override signal is that get higher level be predetermined logic signal to low level, and two signal common pins can be with
Accomplish to be independent of each other.
The present embodiment is optional, and driving chip includes pretreatment circuit 213, compensation circuit 214 and display circuit 215；It mends
It repays circuit 214 to connect with compensating module 300, compensating module 300 is also connect with pretreatment circuit 213 and display circuit 215 respectively；
During data are transferred to driving chip, data enter after pretreatment processing of circuit, and heavily loaded pin receives heavily loaded letter
Number, compensation circuit is loaded into the offset data in compensating module, and data enter compensation circuit, carries out compensation data, compensated
Data enter display circuit driving panel and show.
In the present solution, driving chip 210 can be sequence controller, can also with system level chip (system on chip,
SOC), portion is provided with compensation circuit in the chip, for loading the offset data in compensating module, so that it is aobvious to display panel
Show.
The present embodiment is optional, drives display module 200 further include: the first storage unit 230 is used for storage driving chip
Initialization data；Compensating module includes the second storage unit 310, and offset data is written to the second storage by compensating module 300
In unit 310, read from the second storage unit 310 by compensation circuit 214.
In the present solution, initially words data and offset data storage location are inconsistent, so that driving display module receives heavy duty
Signal can be loaded directly into compensating module.
As another embodiment of the present invention, refering to what is shown in Fig. 8, a kind of compensation detecting device of display device is disclosed,
Include: energization indication mechanism 510, be powered to display device to be detected, driving display device is shown；Testing agency 520 is compensated, is used
In the display effect of detection display device, offset data is generated；Written agency 530 is compensated, the benefit that compensation testing agency is obtained
Repay the compensating module 300 that display device to be detected is written in data；Heavily loaded module 540, in the compensation write-in compensation number of written agency 530
According to rear, override signal is generated, energization indication mechanism 510 is sent to；It is right after energization indication mechanism 510 receives above-mentioned override signal
Current display device to be detected remains powered on；Override signal is sent to display device to be detected, display device is loaded into again
Offset data is shown with compensated data-driven display panel.
In the present solution, heavily loaded module can make display device in the case where energization indication mechanism remains powered on, directly add
Compensating module is carried, that is, when being loaded into offset data again, is not needed to restart display device to read offset data,
It is possible thereby to save the time that display device is restarted, and display device restarts and needs to read other data and cause waste a large amount of
Time；It can achieve and save working hour, improve efficiency.
It should be noted that the restriction for each step being related in this programme, in the premise for not influencing concrete scheme implementation
Under, it does not regard as being can be the step of making restriction to step sequencing, write on front what is first carried out, be also possible to
It executes, is possibly even performed simultaneously afterwards, as long as this programme can be implemented, all shall be regarded as belonging to protection model of the invention
It encloses.
Technical solution of the present invention can be widely applied to Thin Film Transistor-LCD (Thin Film
Transistor-Liquid Crystal Display, TFT-LCD) and machine light emitting diode (Organic Light-
Emitting Diode, OLED) flat-panel monitors such as display.
The above content is combine specific optional embodiment further detailed description of the invention, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of display test method of display device, which is characterized in that comprising steps of
Start display device, value test operation is compensated to display panel, generates offset data；
The offset data is written to the compensating module of the display device；
The display device remains powered on, and is loaded directly into the compensating module, is loaded into the offset data again, according to the benefit
Display panel described in data-driven is repaid to show.
2. a kind of display test method of display device as described in claim 1, which is characterized in that write the offset data
After the compensating module for entering the display device, the step of inputting override signal is also executed:
The display device remains powered on, and is loaded directly into the compensating module, is loaded into the offset data again, passes through the benefit
In the step of repaying the display of display panel described in data-driven, the offset data is loaded into according to the override signal.
3. a kind of display test method of display device as described in claim 1, which is characterized in that the compensating module includes
Memory；
In the step of offset data is written to the compensating module of the display device, deposited described in the offset data write-in
Reservoir；
In the step of display device remains powered on, is loaded directly into the compensating module, is loaded into the offset data again,
The display device is loaded directly into the offset data in the memory, drives the display panel aobvious according to the offset data
Show.
4. a kind of display test method of display device as described in claim 1, which is characterized in that the display test method
It further include the process restarted to display device, comprising:
Monitor Restart Signal；
When the Restart Signal meets predetermined logic, the display device executes following steps:
Read the display device initialization data；
Load the compensating module；
The display panel is driven to show according to the offset data.
5. a kind of driving circuit of display device characterized by comprising
Compensating module is written with the offset data of the display device；
Display module is driven, according to display device described in the compensated data-driven；
Wherein, the driving display module includes reloading interface, for receiving override signal；
After the reloading interface receives the override signal, the driving circuit skips initialization step, directly adds again
The offset data in the compensating module is carried, the display panel is driven and is shown.
6. a kind of driving circuit of display device as claimed in claim 5, which is characterized in that the driving display module includes
Driving chip；
The driving chip includes restarting pin and heavily loaded pin；
It is described to restart pin for receiving Restart Signal；
The heavy duty pin is for receiving override signal；
When it is described restart pin and receive Restart Signal after, the driving circuit reads the display device initialization data, into
Row initialization step；And offset data in the compensating module is loaded, the display panel is driven and is shown；
After the heavily loaded pin receives the override signal, the driving circuit skips initialization step, directly adds again
Offset data in the compensating module is carried, the display panel is driven and is shown.
7. a kind of driving circuit of display device as claimed in claim 6, which is characterized in that
It is described to restart pin and the heavily loaded pin shares the same physical pin, the Restart Signal and override signal it is predetermined
Logic is different.
8. a kind of driving circuit of display device as claimed in claim 6, which is characterized in that the driving chip includes pre- place
Manage circuit, compensation circuit and display circuit；
The compensation circuit is connect with the compensating module, the compensation circuit also respectively with the pretreatment circuit and described aobvious
Show circuit connection；
During data are transferred to the driving chip, the data enter after pretreatment processing of circuit, the heavy duty
Pin receives override signal, and the compensation circuit is loaded into the offset data in the compensating module, and the data enter benefit
Circuit is repaid, compensation data is carried out, the compensated data enter the display circuit driving panel and show.
9. a kind of driving circuit of display device as claimed in claim 8, which is characterized in that the driving display module also wraps
It includes:
First storage unit, the initialization data for storage driving chip；
The compensating module includes the second storage unit, and offset data is written to second storage unit by the compensating module
In, it is read from second storage unit by the compensation circuit.
10. a kind of compensation detecting device of display device characterized by comprising
Energization indication mechanism is powered to display device to be detected, drives display device；
Testing agency is compensated, for detecting the display effect of display device, generates offset data；
Written agency is compensated, the offset data that the compensation testing agency obtains is written the compensation mould of display device to be detected
Block；
Heavily loaded module generates override signal after offset data is written in the compensation written agency, is sent to the energization display
Mechanism；
After the energization indication mechanism receives override signal described above, the current display device to be detected is remained powered on；
The override signal is sent to the display device to be detected, the display device is loaded into the offset data again, with
Display panel described in compensated data-driven is shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522199.9A CN109658853B (en) | 2018-12-13 | 2018-12-13 | Display test method, drive circuit and compensation detection device of display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522199.9A CN109658853B (en) | 2018-12-13 | 2018-12-13 | Display test method, drive circuit and compensation detection device of display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109658853A true CN109658853A (en) | 2019-04-19 |
| CN109658853B CN109658853B (en) | 2021-12-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189671A (en) * | 2019-06-26 | 2019-08-30 | 滁州惠科光电科技有限公司 | At box test circuit, array substrate and liquid crystal display device |
| CN114283729A (en) * | 2021-12-29 | 2022-04-05 | 长沙惠科光电有限公司 | Display panel, brightness deviation compensation method thereof and display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871359A (en) * | 2012-12-13 | 2014-06-18 | 乐金显示有限公司 | Organic light emitting display |
| CN104064141A (en) * | 2014-06-12 | 2014-09-24 | 京东方科技集团股份有限公司 | Display panel optical compensation device, display panel and optical compensation method |
| KR20150080214A (en) * | 2013-12-31 | 2015-07-09 | 엘지디스플레이 주식회사 | Organic light emitting display device and method of driving the same |
| CN105427822A (en) * | 2015-12-29 | 2016-03-23 | 深圳市华星光电技术有限公司 | Gray-scale compensation data resetting device and method |
| CN108877612A (en) * | 2018-07-25 | 2018-11-23 | 昆山国显光电有限公司 | Mura compensation method, device, display screen and the computer equipment of display screen |
| CN108898991A (en) * | 2018-07-25 | 2018-11-27 | 昆山国显光电有限公司 | The acquisition of offset data and transmission method and intelligent terminal |
-
2018
- 2018-12-13 CN CN201811522199.9A patent/CN109658853B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871359A (en) * | 2012-12-13 | 2014-06-18 | 乐金显示有限公司 | Organic light emitting display |
| KR20150080214A (en) * | 2013-12-31 | 2015-07-09 | 엘지디스플레이 주식회사 | Organic light emitting display device and method of driving the same |
| CN104064141A (en) * | 2014-06-12 | 2014-09-24 | 京东方科技集团股份有限公司 | Display panel optical compensation device, display panel and optical compensation method |
| CN105427822A (en) * | 2015-12-29 | 2016-03-23 | 深圳市华星光电技术有限公司 | Gray-scale compensation data resetting device and method |
| CN108877612A (en) * | 2018-07-25 | 2018-11-23 | 昆山国显光电有限公司 | Mura compensation method, device, display screen and the computer equipment of display screen |
| CN108898991A (en) * | 2018-07-25 | 2018-11-27 | 昆山国显光电有限公司 | The acquisition of offset data and transmission method and intelligent terminal |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110189671A (en) * | 2019-06-26 | 2019-08-30 | 滁州惠科光电科技有限公司 | At box test circuit, array substrate and liquid crystal display device |
| CN110189671B (en) * | 2019-06-26 | 2022-02-01 | 滁州惠科光电科技有限公司 | Box-formed test circuit, array substrate and liquid crystal display device |
| CN114283729A (en) * | 2021-12-29 | 2022-04-05 | 长沙惠科光电有限公司 | Display panel, brightness deviation compensation method thereof and display device |
| CN114283729B (en) * | 2021-12-29 | 2024-04-19 | 长沙惠科光电有限公司 | Display panel, brightness deviation compensation method thereof and display device |
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| CN109658853B (en) | 2021-12-17 |
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