CN107016963A - The driving method of electroluminescence display panel, its drive device and display device - Google Patents
The driving method of electroluminescence display panel, its drive device and display device Download PDFInfo
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- CN107016963A CN107016963A CN201710261991.2A CN201710261991A CN107016963A CN 107016963 A CN107016963 A CN 107016963A CN 201710261991 A CN201710261991 A CN 201710261991A CN 107016963 A CN107016963 A CN 107016963A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
-
- 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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0257—Reduction of after-image effects
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Electroluminescent Light Sources (AREA)
- Control Of El Displays (AREA)
Abstract
The invention discloses a kind of driving method of electroluminescence display panel, its drive device and display device, the driving method is first according to the time interval of setting, detects the temperature of electroluminescence display panel；Then, when it is determined that the temperature of the electroluminescence display panel detected is more than default first threshold temperature, the scan frequency of electroluminescence display panel is adjusted to be less than standard scan frequencies.Therefore, detected by the temperature to electroluminescence display panel, the temperature change of electroluminescence display panel can be determined, again by the way that the temperature detected is compared with first threshold temperature, when the temperature detected is higher than first threshold temperature, the scan frequency of electroluminescence display panel is set to be less than standard scan frequencies, accordingly extend the display time of each frame, and then add the initialization time within each frame display picture, electric capacity in each pixel region can be substantially discharged, so that image retention is thoroughly eliminated, improve display effect.
Description
Technical field
The present invention relates to display technology field, espespecially a kind of driving method of electroluminescence display panel, its drive device
And display device.
Background technology
Organic Light Emitting Diode (Organic Light Emitting Display, OLED) display panel is according to driving side
Formula can be divided into passive matrix OLED (Passive Matrix OLED, PMOLED) display panels and active array type OLED
The major class of (Active Matrix OLED, AMOLED) display panel two, wherein, AMOLED display panels have in array arrangement
Pixel, belong to active display type, have the advantages that luminous efficacy is high, contrast is high, visual angle is wide, is normally used for high-resolution
Large scale display device.
However, being to show image retention the problem of maximum current for AMOLED display panels, i.e., because picture is quiet for a long time
Only, after picture switching, the part originally become clear still suffers from part shadow and remained in picture, so as to image retention occur；Study carefully it
Reason, is due to that more thin film transistor (TFT) is there is in AMOLED display panels, and manufacture craft is responsible for, it is desirable to precision compared with
It is high so that during AMOLED display panels are made, because of the influence of manufacture craft, to cause each film inside display panel
The length-width ratio parameter of transistor is inconsistent so that the threshold voltage of each thin film transistor (TFT) produces difference, and then causes positioned at each picture
The luminous situation of light emitting diode in plain area is different, so as to image retention occur.
At present, in order to solve image retention problem, it can all be set within each frame display picture of AMOLED display panels just
Time beginning, i.e., the electric capacity in each pixel region is discharged, show that signal shows signal to next frame to eliminate previous frame
Influence, reaches the purpose for eliminating image retention；But because of the high temperature that the long-time of display panel is used or the test of high temperature reliability is produced, meeting
The stability of each thin film transistor (TFT) threshold voltage is had a strong impact on, threshold voltage is drifted about, causes image retention problem to aggravate；It is based on
How in high temperature environments this, eliminate the image retention of AMOLED display panels, be that those skilled in the art's technology urgently to be resolved hurrily is asked
Topic.
The content of the invention
The embodiment of the present invention provides a kind of driving method of electroluminescence display panel, its drive device and display device,
How in high temperature environments to solve in the prior art, the problem of eliminating AMOLED display panel image retentions.
The embodiments of the invention provide a kind of driving method of electroluminescence display panel, including：
At set time intervals, the temperature of the electroluminescence display panel is detected；
When it is determined that the temperature of the electroluminescence display panel detected is more than default first threshold temperature, by institute
The scan frequency for stating electroluminescence display panel is adjusted to be less than standard scan frequencies.
It is described by described in above-mentioned driving method provided in an embodiment of the present invention in a kind of possible embodiment
The scan frequency of electroluminescence display panel is adjusted to be less than standard scan frequencies, specifically includes：
It is determined that the temperature range belonging to the temperature of the electroluminescence display panel detected；
According to the corresponding relation of each temperature range and scan frequency, by the scanning frequency of the electroluminescence display panel
Rate, is adjusted to scan frequency corresponding with the temperature range belonging to the temperature of the electroluminescence display panel detected.
It is described to determine inspection in above-mentioned driving method provided in an embodiment of the present invention in a kind of possible embodiment
Temperature range belonging to the temperature of the electroluminescence display panel measured, is specifically included：
It is determined that whether the temperature of the electroluminescence display panel detected is more than default Second Threshold temperature；
If, it is determined that the temperature of the electroluminescence display panel detected belongs to the first temperature range；
If not, it is determined that it is interval that the temperature of the electroluminescence display panel detected belongs to second temperature；
The Second Threshold temperature is more than the first threshold temperature.
In a kind of possible embodiment, in above-mentioned driving method provided in an embodiment of the present invention, first temperature
Interval corresponding scan frequency is spent less than the interval corresponding scan frequency of the second temperature.
It is described according to setting in above-mentioned driving method provided in an embodiment of the present invention in a kind of possible embodiment
Fixed time interval, detects the temperature of the electroluminescence display panel, specifically includes：
Within the display time of every frame, the temperature of the electroluminescence display panel is detected once.
In a kind of possible embodiment, in above-mentioned driving method provided in an embodiment of the present invention, in addition to：
, will when it is determined that the temperature of the electroluminescence display panel detected is not more than default first threshold temperature
The scan frequency of the electroluminescence display panel is set to the standard scan frequencies.
The embodiment of the present invention additionally provides a kind of drive device of electroluminescence display panel, including：
Detection unit, at set time intervals, detecting the temperature of the electroluminescence display panel；
Whether determining unit, the temperature of the electroluminescence display panel for determining to detect is more than default first
Threshold temperature；
Adjustment unit, for it is determined that the temperature of the electroluminescence display panel detected is more than default first threshold
When being worth temperature, the scan frequency of the electroluminescence display panel is adjusted to be less than standard scan frequencies.
It is described to determine list in above-mentioned drive device provided in an embodiment of the present invention in a kind of possible embodiment
Member, is additionally operable to determine the temperature range belonging to the temperature of the electroluminescence display panel that detects；
The adjustment unit, specifically for the corresponding relation according to each temperature range and scan frequency, by the electricity
The scan frequency of photoluminescence display panel, adjust to the temperature belonging to the temperature of the electroluminescence display panel detected
Interval corresponding scan frequency.
In a kind of possible embodiment, in above-mentioned drive device provided in an embodiment of the present invention, the detection is single
Member is temperature sensor.
The embodiment of the present invention additionally provides a kind of display device, including：Electroluminescence display panel, and the present invention are implemented
The above-mentioned drive device that example is provided, wherein, the detection unit is arranged in the electroluminescence display panel.
The present invention has the beneficial effect that：
Driving method, its drive device and the display dress of a kind of electroluminescence display panel provided in an embodiment of the present invention
Put, the driving method is first according to the time interval of setting, detect the temperature of electroluminescence display panel；Then, it is determined that inspection
When the temperature of the electroluminescence display panel measured is more than default first threshold temperature, by the scanning of electroluminescence display panel
Frequency is adjusted to be less than standard scan frequencies.Therefore, detected by the temperature to electroluminescence display panel, it may be determined that
The temperature change of electroluminescence display panel, then by the way that the temperature detected is compared with first threshold temperature, in detection
When the temperature arrived is higher than first threshold temperature, the scan frequency of electroluminescence display panel is set to be less than standard scan frequencies, correspondence
Ground extends the display time of each frame, and then adds the initialization time within each frame display picture, can be to each picture
Electric capacity in plain area is substantially discharged, so that image retention is thoroughly eliminated, improves display effect.
Brief description of the drawings
Fig. 1 is one of flow chart of driving method of a kind of electroluminescence display panel for providing in the embodiment of the present invention；
Fig. 2 is a kind of structural representation of the image element circuit provided in the embodiment of the present invention；
Fig. 3 a and Fig. 3 b are respectively the timing diagram provided in the embodiment of the present invention；
Fig. 4 is a kind of structural representation of the drive device of electroluminescence display panel provided in the embodiment of the present invention；
Fig. 5 is a kind of structural representation of the display device provided in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, to a kind of driving method of electroluminescence display panel provided in an embodiment of the present invention, its
The embodiment of drive device and display device is described in detail.It should be noted that described embodiment is only
Only it is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The embodiments of the invention provide a kind of driving method of electroluminescence display panel, as shown in figure 1, can include：
S101, at set time intervals, detects the temperature of electroluminescence display panel；
Whether the temperature for the electroluminescence display panel that S102, determination are detected is more than default first threshold temperature；If
It is then to perform step S103；If it is not, then performing step S104；
S103, by the scan frequency of electroluminescence display panel be adjusted to be less than standard scan frequencies；
S104, the scan frequency of electroluminescence display panel remained into standard scan frequencies.
Above-mentioned driving method provided in an embodiment of the present invention, is detected by the temperature to electroluminescence display panel,
The temperature change of electroluminescence display panel can be determined, then by the way that the temperature detected is compared with first threshold temperature
Compared with, the temperature detected be higher than first threshold temperature when, make electroluminescence display panel scan frequency be less than standard scan
Frequency, accordingly extends the display time of each frame, and then adds the initialization time within each frame display picture, can
To be substantially discharged to the electric capacity in each pixel region, so that image retention is thoroughly eliminated, improve display effect.
Specifically, image element circuit figure as shown in Figure 2, and timing diagram corresponding with Fig. 2 as shown in Figure 3 a and Figure 3 b shows,
Fig. 3 a are the timing diagram under standard scan frequencies, and Fig. 3 b are less than the timing diagram under standard scan frequencies；Wherein, in Fig. 2
Shown image element circuit includes 7 thin film transistor (TFT)s, respectively first film transistor T1, the second thin film transistor (TFT) T2,
Three thin film transistor (TFT) T3, the 4th thin film transistor (TFT) T4, the 5th thin film transistor (TFT) T5, the 6th thin film transistor (TFT) T6, the 7th film are brilliant
Body pipe T7, and each thin film transistor (TFT) is P-type TFT, in addition to for providing the first reference signal Vref the first ginseng
Signal end is examined, the initializing signal end for providing initializing signal RESET, the grid for providing gated sweep signal GATE
Scanning signal end, the control signal end for providing control signal EM, the data signal end for providing data-signal Vdata,
Initial voltage signal end for providing initial voltage Vinit, the second reference signal for providing high level voltage signal VDD
End, the 3rd reference signal end for providing low level voltage signal VSS, for the electric capacity C1 of discharge and recharge, and for lighting
Light emitting diode D；In the timing diagram shown in Fig. 3 a and Fig. 3 b, T1 represents initialization time, and T2 represents charging interval, T3 tables
Show the display time, and initialization time T1, charging interval T2 and display time T3 constitute the sweep time of a frame picture；Initially
The useful signal for changing signal RESET, gated sweep signal GATE and control signal EM loadings is low level signal, and
There is provided by grid integrated drive electronics (Gate on Array, GOA)；Certainly, the thin film transistor (TFT) in image element circuit is not limited to
P-type TFT, can also be N-type TFT；It is initial in corresponding timing diagram if thin film transistor (TFT) is N-type
The useful signal for changing signal RESET, gated sweep signal GATE and control signal EM loadings is high level signal；From figure
3a to Fig. 3 b is understood, when the temperature for detecting electroluminescence display panel is more than first threshold temperature, by reducing scanning frequency
Rate, equivalent to initialization times of the extension driving transistor T6 within each frame display picture, is substantially discharged electric capacity C1, enters
And previous frame signal will not be impacted to the display of next frame signal, image retention is completely eliminated within the T1 times, improve
Display effect.
In the specific implementation, in order to solve the image retention problem under high temperature, it is necessary to monitoring electroluminescence display panel at any time
Temperature change, in order to adjust scan frequency according to the change of temperature, thoroughly to eliminate image retention；And in electroluminance display face
During the picture of plate is shown, shown by frame picture, so, in order to eliminate the image retention problem of every frame picture, need
Temperature is at least detected to the display picture of each frame；But in order to reduce power consumption, and it can farthest eliminate image retention,
One frame display picture need to only detect a temperature；Therefore, the step in above-mentioned driving method provided in an embodiment of the present invention
Rapid S101 at set time intervals, detects the temperature of electroluminescence display panel, can specifically included：
Within the display time of every frame, the temperature of an electroluminescence display panel is detected.
Specifically, as long as the temperature of electroluminescence display panel can be detected within the display time of each frame,
The temperature of electroluminescence display panel can be detected in the random time in the display time of each frame, is not limited thereto.
In the specific implementation, it is determined that the temperature of the electroluminescence display panel detected is more than default first threshold temperature
, it is necessary to reduce the scan frequency of electroluminescence display panel when spending, so that image retention is thoroughly eliminated；Therefore, in the embodiment of the present invention
The scan frequency of electroluminescence display panel is adjusted to be less than standard scan by the step S103 in the above-mentioned driving method provided
Frequency, can be specifically included：
It is determined that the temperature range belonging to the temperature of the electroluminescence display panel detected；
According to the corresponding relation of each temperature range and scan frequency, by the scan frequency of electroluminescence display panel, adjustment
To scan frequency corresponding with the temperature range belonging to the temperature of the electroluminescence display panel detected.
Specifically, in above-mentioned driving method provided in an embodiment of the present invention, one scanning frequency of a temperature range correspondence
Rate, when detecting the temperature of electroluminescence display panel, it is necessary to determine the temperature range belonging to the temperature that detects first, then
According to the corresponding relation of each temperature range and scan frequency, it is determined that scanning corresponding with the temperature range belonging to the temperature detected
Frequency.
Specifically, in order to determine the temperature range belonging to the temperature of electroluminescence display panel detected, in the present invention
In the above-mentioned driving method that embodiment is provided, it can specifically include：
It is determined that whether the temperature of the electroluminescence display panel detected is more than default Second Threshold temperature；
If, it is determined that the temperature of the electroluminescence display panel detected belongs to the first temperature range；
If not, it is determined that it is interval that the temperature of the electroluminescence display panel detected belongs to second temperature；
Second Threshold temperature is more than first threshold temperature.
Specifically, in above-mentioned driving method provided in an embodiment of the present invention, two threshold temperatures, i.e., first can be set
Threshold temperature and Second Threshold temperature；The temperature range of Second Threshold temperature be will be greater than as the first temperature range, is will be greater than
One threshold temperature and interval as second temperature less than the temperature range of Second Threshold temperature, by less than the temperature of first threshold temperature
Degree interval is used as the 3rd temperature range；Correspondingly, scan frequency corresponding with the first temperature range is the first scan frequency, with the
The corresponding scan frequency of two temperature ranges is the second scan frequency, and scan frequency corresponding with the 3rd temperature range is standard scan
Frequency.
By taking temperature range and the corresponding relation of scan frequency shown in table 1 as an example, certainly, however it is not limited to shown in table 1
The value of threshold temperature and the value of scan frequency；Wherein, it is 40 ° by first threshold temperature setting, Second Threshold temperature is set
It is set to 70 °；Meanwhile, using the temperature range less than 40 ° as the 3rd temperature range, sub-zero temperature is also included certainly, by
In the normal working temperature that the temperature in this temperature range is electroluminescence display panel, so corresponding scan frequency is mark
Quasi- scan frequency, i.e. 60Hz；Interval using 40 ° to 70 ° of temperature range as second temperature, corresponding scan frequency is swept for second
Retouch frequency, i.e. 45Hz；70 ° of temperature range be will be greater than as the first temperature range, corresponding scan frequency is the first scanning frequency
Rate, i.e. 30Hz.
Table 1
Certainly, however it is not limited to which two threshold temperatures are set, three can also be set, four or more threshold temperature,
And if n threshold temperature is set, n+1 temperature range is correspondingly then set, meanwhile, n+1 scan frequency and each temperature are set
Degree is interval corresponding, and ensures that each scan frequency will not produce obvious harmful effect to display effect；Detecting
The temperature of electroluminescence display panel exceed some threshold temperature, will and when determining the temperature range belonging to the temperature
The scan frequency of electroluminescence display panel is adjusted to corresponding scan frequency, is not limited thereto.
Specifically, in above-mentioned driving method provided in an embodiment of the present invention, due to will be greater than the temperature of Second Threshold temperature
Degree is interval as the first temperature range, will be greater than first threshold temperature and is less than the temperature range of Second Threshold temperature as second
Temperature range, so, the temperature of affiliated first temperature range is naturally larger than the interval temperature of affiliated second temperature, accordingly, the
The corresponding scan frequency of one temperature range is less than the interval corresponding scan frequency of second temperature.
In the specific implementation, in addition to the temperature of the electroluminescence display panel detected is more than first threshold temperature,
It is also possible to the temperature in the presence of the electroluminescence display panel detected is not more than first threshold temperature, and in the electricity detected
When the temperature of photoluminescence display panel is not more than first threshold temperature, two kinds of situations can be included：One is the temperature that this is detected
Degree is with the last temperature detected no more than first threshold temperature；Two be the temperature no more than first threshold that this is detected
Temperature, and the last temperature detected is more than first threshold temperature；But either which kind of situation, as long as what is detected is electroluminescent
The temperature of light emitting display panel is not more than first threshold temperature, then the scan frequency of electroluminescence display panel is set into standard
Scan frequency；Therefore, in above-mentioned driving method provided in an embodiment of the present invention, it can also include：
, will be electroluminescent when it is determined that the temperature of the electroluminescence display panel detected is not more than default first threshold temperature
The scan frequency of light emitting display panel is set to standard scan frequencies.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of drive device of electroluminescence display panel,
Because the operation principle of the drive device is similar to a kind of foregoing driving method of electroluminescence display panel, therefore the drive device
Specific implementation can be found in foregoing driving method specific embodiment, therefore not to repeat here.
Specifically, in the drive device of above-mentioned electroluminescence display panel provided in an embodiment of the present invention, such as Fig. 4 institutes
Show, can include：
Detection unit 401, at set time intervals, detecting the temperature of electroluminescence display panel；
Whether determining unit 402, the temperature of the electroluminescence display panel for determining to detect is more than default first
Threshold temperature；
Adjustment unit 403, for it is determined that the temperature of the electroluminescence display panel detected is more than default first threshold
When being worth temperature, the scan frequency of electroluminescence display panel is adjusted to be less than standard scan frequencies.
In the specific implementation, in above-mentioned drive device provided in an embodiment of the present invention, determining unit 402 is additionally operable to really
Temperature range belonging to the temperature for the electroluminescence display panel that regular inspection is measured；
Adjustment unit 403, specifically for the corresponding relation according to each temperature range and scan frequency, by electroluminance display
The scan frequency of panel, is adjusted to scanning corresponding with the temperature range belonging to the temperature of the electroluminescence display panel detected
Frequency.
In the specific implementation, in above-mentioned drive device provided in an embodiment of the present invention, detection unit 401 is TEMP
Device.
Specifically, it is determined that unit 402 and adjustment unit 403 can be the part in source driving chip, meanwhile, temperature is passed
Sensor can then be arranged at the outside of source driving chip, and source driving chip has for receiving temperature sensor transmission
Carry the interface of the signal of temperature information；Certainly, detection unit 401 (temperature sensor) can also be arranged at source drive core
The inside of piece, i.e., as a part in source driving chip, source is may be contained within determining unit 402 and adjustment unit 403
The inside of pole driving chip；In addition, drive device can be source driving chip, it is not limited thereto.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of display device, as shown in figure 5, can include：
Electroluminescence display panel 501, and above-mentioned drive device 502 provided in an embodiment of the present invention (dotted line frame region), wherein, inspection
Unit 401 is surveyed to be arranged in electroluminescence display panel 501.
Specifically, the determining unit 402 and adjustment unit 403 in drive device 502 are generally positioned at electroluminance display
Non-display area 501-1 (being not filled by region) in panel 501, it is, of course, also possible to be arranged at electroluminescence display panel 501 it
On outer part；And detection unit 401 is temperature sensor, and the temperature sensor can be arranged at electroluminance display face
Any position in plate 501, that is, be arranged at viewing area 501-2 (oblique line filling region), or non-display area 501-1 (such as Fig. 5
It is shown), it is not limited thereto.
The embodiments of the invention provide a kind of driving method of electroluminescence display panel, its drive device and display dress
Put, the driving method is first according to the time interval of setting, detect the temperature of electroluminescence display panel；Then, it is determined that inspection
When the temperature of the electroluminescence display panel measured is more than default first threshold temperature, by the scanning of electroluminescence display panel
Frequency is adjusted to be less than standard scan frequencies.Therefore, detected by the temperature to electroluminescence display panel, it may be determined that
The temperature change of electroluminescence display panel, then by the way that the temperature detected is compared with first threshold temperature, in detection
When the temperature arrived is higher than first threshold temperature, the scan frequency of electroluminescence display panel is set to be less than standard scan frequencies, correspondence
Ground extends the display time of each frame, and then adds the initialization time within each frame display picture, can be to each picture
Electric capacity in plain area is substantially discharged, so that image retention is thoroughly eliminated, improves display effect.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of driving method of electroluminescence display panel, it is characterised in that including：
At set time intervals, the temperature of the electroluminescence display panel is detected；
When it is determined that the temperature of the electroluminescence display panel detected is more than default first threshold temperature, by the electricity
The scan frequency of photoluminescence display panel is adjusted to be less than standard scan frequencies.
2. driving method as claimed in claim 1, it is characterised in that the scanning frequency by the electroluminescence display panel
Rate is adjusted to be less than standard scan frequencies, specifically includes：
It is determined that the temperature range belonging to the temperature of the electroluminescence display panel detected；
According to the corresponding relation of each temperature range and scan frequency, by the scan frequency of the electroluminescence display panel,
Adjust to scan frequency corresponding with the temperature range belonging to the temperature of the electroluminescence display panel detected.
3. driving method as claimed in claim 2, it is characterised in that the electroluminance display face that the determination is detected
Temperature range belonging to the temperature of plate, is specifically included：
It is determined that whether the temperature of the electroluminescence display panel detected is more than default Second Threshold temperature；
If, it is determined that the temperature of the electroluminescence display panel detected belongs to the first temperature range；
If not, it is determined that it is interval that the temperature of the electroluminescence display panel detected belongs to second temperature；
The Second Threshold temperature is more than the first threshold temperature.
4. driving method as claimed in claim 3, it is characterised in that the corresponding scan frequency of first temperature range is less than
The interval corresponding scan frequency of the second temperature.
5. the driving method as described in claim any one of 1-4, it is characterised in that it is described at set time intervals, inspection
The temperature of the electroluminescence display panel is surveyed, is specifically included：
Within the display time of every frame, the temperature of the electroluminescence display panel is detected once.
6. the driving method as described in claim any one of 1-4, it is characterised in that also include：
, will be described when it is determined that the temperature of the electroluminescence display panel detected is not more than default first threshold temperature
The scan frequency of electroluminescence display panel is set to the standard scan frequencies.
7. a kind of drive device of electroluminescence display panel, it is characterised in that including：
Detection unit, at set time intervals, detecting the temperature of the electroluminescence display panel；
Whether determining unit, the temperature of the electroluminescence display panel for determining to detect is more than default first threshold
Temperature；
Adjustment unit, for it is determined that the temperature of the electroluminescence display panel detected is more than default first threshold temperature
When spending, the scan frequency of the electroluminescence display panel is adjusted to be less than standard scan frequencies.
8. drive device as claimed in claim 7, it is characterised in that the determining unit, is additionally operable to the institute for determining to detect
State the temperature range belonging to the temperature of electroluminescence display panel；
The adjustment unit, specifically for the corresponding relation according to each temperature range and scan frequency, by the electroluminescent hair
The scan frequency of light display panel, adjust to the temperature range belonging to the temperature of the electroluminescence display panel detected
Corresponding scan frequency.
9. drive device as claimed in claim 7, it is characterised in that the detection unit is temperature sensor.
10. a kind of display device, it is characterised in that including：Electroluminescence display panel, and such as any one of claim 7-9
Described drive device, wherein, the detection unit is arranged in the electroluminescence display panel.
Priority Applications (1)
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| CN201710261991.2A CN107016963A (en) | 2017-04-20 | 2017-04-20 | The driving method of electroluminescence display panel, its drive device and display device |
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| CN201710261991.2A CN107016963A (en) | 2017-04-20 | 2017-04-20 | The driving method of electroluminescence display panel, its drive device and display device |
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| CN (1) | CN107016963A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464537A (en) * | 2017-08-18 | 2017-12-12 | 深圳市华星光电技术有限公司 | Driving method for liquid crystal display panel |
| CN107564456A (en) * | 2017-10-20 | 2018-01-09 | 武汉天马微电子有限公司 | A kind of display panel and its driving method, display device |
| CN110136620A (en) * | 2019-06-28 | 2019-08-16 | 京东方科技集团股份有限公司 | The driving time difference of display panel determines method and system |
| CN110517647A (en) * | 2019-08-30 | 2019-11-29 | 上海中航光电子有限公司 | The driving method and liquid crystal display device of liquid crystal display panel |
| CN112331123A (en) * | 2020-11-18 | 2021-02-05 | 合肥芯颖科技有限公司 | Sequential signal control method and device of GOA driving unit |
| CN116055897A (en) * | 2022-08-25 | 2023-05-02 | 荣耀终端有限公司 | Photographing method and related equipment thereof |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101840679A (en) * | 2010-02-02 | 2010-09-22 | 苏州汉朗光电有限公司 | Temperature self-adaptation drive method for smectic state liquid crystal display screen |
| US20110292017A1 (en) * | 2010-05-25 | 2011-12-01 | Samsung Mobile Display Co., Ltd. | Display device and method of driving thereof |
| CN102436786A (en) * | 2011-12-19 | 2012-05-02 | 深圳市航盛电子股份有限公司 | Drive method and device of automobile display screen |
| US20130127933A1 (en) * | 2011-11-21 | 2013-05-23 | Seiko Epson Corporation | Control device, electrooptics device, electronic apparatus, and control method |
| CN104063105A (en) * | 2014-06-11 | 2014-09-24 | 合肥鑫晟光电科技有限公司 | Touch device and touch driving method |
| CN104361874A (en) * | 2014-11-20 | 2015-02-18 | 京东方科技集团股份有限公司 | Temperature compensating circuit and method and liquid crystal display |
| CN104991682A (en) * | 2015-08-07 | 2015-10-21 | 京东方科技集团股份有限公司 | Touch drive method, touch drive device and touch display device |
| CN106228941A (en) * | 2016-08-23 | 2016-12-14 | 苏州亿科斯通电气有限公司 | A kind of method and device of spreading number pattern LCD temperature range |
| CN106356024A (en) * | 2016-10-28 | 2017-01-25 | 昆山国显光电有限公司 | OLED screen body temperature monitoring, regulating and controlling circuit, and system and OLED display panel |
| CN106407070A (en) * | 2015-07-29 | 2017-02-15 | 联发科技股份有限公司 | Thermal Management And apparatus thereof |
| US9599860B2 (en) * | 2010-01-24 | 2017-03-21 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
-
2017
- 2017-04-20 CN CN201710261991.2A patent/CN107016963A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9599860B2 (en) * | 2010-01-24 | 2017-03-21 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
| CN101840679A (en) * | 2010-02-02 | 2010-09-22 | 苏州汉朗光电有限公司 | Temperature self-adaptation drive method for smectic state liquid crystal display screen |
| US20110292017A1 (en) * | 2010-05-25 | 2011-12-01 | Samsung Mobile Display Co., Ltd. | Display device and method of driving thereof |
| US20130127933A1 (en) * | 2011-11-21 | 2013-05-23 | Seiko Epson Corporation | Control device, electrooptics device, electronic apparatus, and control method |
| CN102436786A (en) * | 2011-12-19 | 2012-05-02 | 深圳市航盛电子股份有限公司 | Drive method and device of automobile display screen |
| CN104063105A (en) * | 2014-06-11 | 2014-09-24 | 合肥鑫晟光电科技有限公司 | Touch device and touch driving method |
| CN104361874A (en) * | 2014-11-20 | 2015-02-18 | 京东方科技集团股份有限公司 | Temperature compensating circuit and method and liquid crystal display |
| CN106407070A (en) * | 2015-07-29 | 2017-02-15 | 联发科技股份有限公司 | Thermal Management And apparatus thereof |
| CN104991682A (en) * | 2015-08-07 | 2015-10-21 | 京东方科技集团股份有限公司 | Touch drive method, touch drive device and touch display device |
| CN106228941A (en) * | 2016-08-23 | 2016-12-14 | 苏州亿科斯通电气有限公司 | A kind of method and device of spreading number pattern LCD temperature range |
| CN106356024A (en) * | 2016-10-28 | 2017-01-25 | 昆山国显光电有限公司 | OLED screen body temperature monitoring, regulating and controlling circuit, and system and OLED display panel |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464537A (en) * | 2017-08-18 | 2017-12-12 | 深圳市华星光电技术有限公司 | Driving method for liquid crystal display panel |
| CN107564456A (en) * | 2017-10-20 | 2018-01-09 | 武汉天马微电子有限公司 | A kind of display panel and its driving method, display device |
| CN110136620A (en) * | 2019-06-28 | 2019-08-16 | 京东方科技集团股份有限公司 | The driving time difference of display panel determines method and system |
| CN110517647A (en) * | 2019-08-30 | 2019-11-29 | 上海中航光电子有限公司 | The driving method and liquid crystal display device of liquid crystal display panel |
| CN112331123A (en) * | 2020-11-18 | 2021-02-05 | 合肥芯颖科技有限公司 | Sequential signal control method and device of GOA driving unit |
| CN116055897A (en) * | 2022-08-25 | 2023-05-02 | 荣耀终端有限公司 | Photographing method and related equipment thereof |
| CN116055897B (en) * | 2022-08-25 | 2024-02-27 | 荣耀终端有限公司 | Photographing method and related equipment thereof |
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