CN109377952A - Driving method of display device, display device and display - Google Patents
Driving method of display device, display device and display Download PDFInfo
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- CN109377952A CN109377952A CN201811337237.3A CN201811337237A CN109377952A CN 109377952 A CN109377952 A CN 109377952A CN 201811337237 A CN201811337237 A CN 201811337237A CN 109377952 A CN109377952 A CN 109377952A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012935 Averaging Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 230000005669 field effect Effects 0.000 description 14
- 230000005611 electricity Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
Classifications
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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
-
- 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
- G09G3/3406—Control of illumination source
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- 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 a driving method of a display device, the display device and a display, wherein the driving method comprises the following steps: synchronously starting a backlight circuit, a time sequence control circuit and a power supply circuit; the time sequence control circuit outputs a first signal after initialization; the power supply circuit outputs a second signal after being started; and controlling the gate driver to output the driving signal according to the first signal and the second signal. The method comprises the steps of judging whether a time sequence control circuit and a power supply circuit are configured or not, if the configuration is completed, starting a grid driver to normally work, driving a display panel to display, and if one of a time sequence control chip and the power supply circuit is not configured, the grid driver cannot output, so that a black picture state is kept, the abnormal starting picture is avoided, and meanwhile, the method is simple and easy to design, low in cost and capable of saving starting time.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of driving methods of display device, display device and display
Device.
Background technique
With the continuous development of liquid crystal technology, liquid crystal display has obtained in fields such as computer, mobile phone, TVs general
All over application.Since liquid crystal display panel itself does not have photism, it is therefore necessary to which on panel plus backlight module, backlight module are
One of key components and parts of liquid crystal display can normally be shown for well-off brightness and the light source being evenly distributed
Image.The illumination effect of backlight module will directly influence the visual effect of liquid crystal display.Display device is when opening, each list
Member needs initial configuration, and only after each unit completes initial configuration, the display panel of display device could normally be shown
Show.
When display device is just switched on, display device inside chip needs the regular hour to go to read initialization data, electricity
Source, which configures, is also required to the regular hour, and in this period, the backlight module of display device has been worked normally, and is easier to occur
Start-up picture is abnormal,.
Summary of the invention
To achieve the above object, the present invention provides a kind of driving methods of display device for improving booting efficiency, display
Device and display.
The invention discloses a kind of driving methods of display device, comprising steps of
Synchronous averaging backlight circuit, sequential control circuit and power circuit；
The first signal is exported after sequential control circuit initialization；
Second signal is exported after power circuit starting；
Gate drivers output drive signal is controlled according to the first signal and the second signal.
Optionally, the second signal includes starting voltage signal, and the starting voltage signal passes through the gate driving
Device is exported to scan line；
In described the step of controlling gate drivers output drive signal according to the first signal and the second signal: according to first
Signal and starting voltage signal control gate drivers output drive signal.
Optionally, in described the step of controlling gate drivers output drive signal according to the first signal and the second signal:
According to starting voltage signal out-put supply enabling signal；According to the first signal and power supply starting signal control gate drivers output
Driving signal；
Voltage of the voltage of power supply starting signal lower than starting voltage signal.
It optionally, include: the starting voltage in the step of voltage signal out-put supply enabling signal according to starting
Out-put supply enabling signal when the voltage of signal reaches 30V.
Optionally, in described the step of controlling gate drivers output drive signal according to the first signal and the second signal:
First signal becomes high level from low level, while when second signal meets condition, controls gate drivers output driving
Signal.
The invention also discloses a kind of display devices, including backlight circuit and display panel；
The backlight circuit is used to provide backlight for display panel；
The display panel includes: sequential control circuit, for reading the initialization data of display panel；Power circuit,
For providing power supply for display panel；Gate drivers, for driving the scan line of display panel；And control circuit；
The sequential control circuit exports the first signal to control circuit；The power circuit exports second signal to control
Circuit；The control circuit controls gate drivers output drive signal according to the first signal and the second signal.
Optionally, the second signal includes starting voltage signal, and the starting voltage signal is output to the grid and drives
Dynamic device, the control circuit control gate drivers output drive signal according to the first signal and starting voltage signal.
Optionally, the control circuit includes circuit for detecting and gate circuit, and the circuit for detecting reads the starting electricity
Press signal, out-put supply enabling signal；
The circuit for detecting is connected with the power circuit with gate circuit respectively, the gate circuit also with timing control
Chip is connected；
First signal and the power supply starting signal are output to gate circuit, and the gate circuit is according to the first signal
Gate drivers output drive signal is controlled with starting voltage signal.
Optionally, the gate circuit includes AND gate circuit, and the circuit for detecting and sequential control circuit are connected to described
The output end of AND gate circuit, the AND gate circuit control gate drivers output driving according to the first signal and starting voltage signal
Signal.
The invention also discloses a kind of displays, including above-mentioned display device.
According to inventor the study found that when display device is just switched on, since sequential control circuit needs the regular hour
The code outside reading is removed, while power circuit is also required to the time and goes to export each voltage, if this time backlight is normally to beat
It opens, it will start-up picture exception occur；Relative to delay backlight opening time, to guarantee that start-up picture is normal, in the application,
By judging whether sequential control circuit and power circuit have configured completion, if configuration is completed restarting gate drivers just
Often work, driving display panel are shown, if timing controller and power circuit have a not yet configuration to complete, then grid
Driver can not then export, and make to keep black picture state, avoid the occurrence of start-up picture exception, while designing simple and easy to do, cost
It is lower, save the available machine time.
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 schematic diagram of signal waveform of one embodiment of the invention；
Fig. 2 is the schematic diagram of another signal waveform of one embodiment of the invention；
Fig. 3 is the step schematic diagram of the driving method of one embodiment of the invention；
Fig. 4 is a kind of schematic diagram of display device of another embodiment of the present invention；
Fig. 5 is the schematic diagram of another display device of another embodiment of the present invention；
Fig. 6 is the drive circuit schematic diagram of another display device of another embodiment of the present invention.
Wherein, 10, display device；100, display panel；110, sequential control circuit；120, power circuit；140, grid
Controller；160, control circuit；161, circuit for detecting；162, gate circuit；163, AND gate circuit；200, backlight circuit.
Specific embodiment
It is to be appreciated that term used herein above, disclosed specific structure and function details, it is only for description
Specific embodiment is representative, but the application can be implemented by many alternative forms, be not construed as only
It is limited to the embodiments set forth herein.
In the description of the present application, term " first ", " second " are used for description purposes only, and it is opposite to should not be understood as instruction
Importance, or implicitly indicate the quantity of indicated technical characteristic.As a result, unless otherwise indicated, " first ", " are defined
Two " feature can explicitly or implicitly include one or more of the features；The meaning of " plurality " is two or two
More than.Term " includes " and its any deformation, mean and non-exclusive include, it is understood that there may be or addition is one or more that other are special
Sign, integer, step, operation, unit, component and/or combination thereof.
In addition, "center", " transverse direction ", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner",
The term of the orientation or positional relationship of the instructions such as "outside" is that orientation or relative positional relationship based on the figure describe, only
Be that the application simplifies description for ease of description, rather than indicate signified device or element must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.
Furthermore unless specifically defined or limited otherwise, term " installation ", " connected ", " connection " shall be understood in a broad sense, example
Such as it may be fixed connection or may be dismantle connection, or integral connection；It can be mechanical connection, be also possible to be electrically connected
It connects；It can be directly connected, it can also indirectly connected through an intermediary or the connection inside two elements.For ability
For the those of ordinary skill in domain, the concrete meaning of above-mentioned term in this application can be understood as the case may be.
Below with reference to the accompanying drawings the invention will be further described with optional embodiment.
As shown in Figure 1 to Figure 3, the embodiment of the present invention discloses a kind of driving method of display device, comprising steps of
S31: synchronous averaging backlight circuit 200, sequential control circuit 110 and power circuit 120；
S32: sequential control circuit 110 exports the first signal after initializing；
S33: power circuit 120 exports second signal after starting；
S34: 140 output drive signal of gate drivers is controlled according to the first signal and the second signal.
In the present solution, the first signal is RD signal such as Fig. 1, the RD of high level is exported after the completion of sequence controller configuration
Signal；Second signal is PW_IC signal, and the PW_IC signal of high level is exported after the completion of power circuit configuration；Driving signal is
OE signal, the starting of T1 timing synchronization, when PW_IC signal becomes high level from low level, and the current potential of RD signal is by low electricity
It puts down after rising to high level, control gate drivers 140 export OE signal, become high electricity from low level in T2 moment OE signal
It is flat.By judging whether sequential control circuit 110 and power circuit 120 have configured completion, if configuration is completed to restart grid
Driver 140 work normally, driving display panel show, if timing controller and power circuit 120 have one not yet
Configuration is completed, then gate drivers 140 can not then export, makes to keep black picture state, avoids the occurrence of start-up picture exception, together
When, is designed simple and easy to do, and cost is relatively low, saves the available machine time.
The present embodiment is optional, and second signal includes starting voltage signal, and starting voltage signal passes through gate drivers 140
It exports to scan line；
In the step of controlling 140 output drive signal of gate drivers according to the first signal and the second signal: according to first
Signal and starting voltage signal control 140 output drive signal of gate drivers.
Such as Fig. 2, the first signal is RD signal, and second signal is VGH signal, and driving signal is OE signal, when RD signal by
When low level becomes high level, and after the current potential of VGH signal rises to high level by low level, gate drivers 140 are controlled
OE signal is exported, OE signal becomes high level from low level at this time.Unlike Fig. 1 comparison, tend to after the RD signal in Fig. 2
Stablize, and tends towards stability after VGH signal in Fig. 1；Sequential control circuit and power circuit be using completely self-contained two chips,
So not necessarily which can be first stable in practical applications, the complexity of especially chip is higher and higher, two kinds of situations of Fig. 1 and Fig. 2
Can may all occur.
In the present solution, starting voltage signal is the cut-in voltage of the display as display device, while playing voltage signal
Voltage be that power circuit 120 is output to the highest voltage of level in each unit voltage, and finally produced in power circuit 120
Thus raw voltage signal judges the benchmark whether power circuit 120 has normally exported using starting voltage signal.
The present embodiment is optional, controls 140 output drive signal of gate drivers according to the first signal and the second signal
In step: according to starting voltage signal out-put supply enabling signal；It is driven according to the first signal and power supply starting signal control grid
Dynamic 140 output drive signal of device；
Voltage of the voltage of power supply starting signal lower than starting voltage signal.
In the present solution, the overtension of starting voltage signal, can not be directly output in gate circuit 162, need to opening
The voltage of dynamic voltage signal does decompression processing, exports the power supply starting signal of lower voltage, when on the voltage of starting voltage signal
When being raised to 30V, out-put supply enabling signal, it is meant that the voltage that power circuit 120 is output to each section has configured completion.When
When power supply starting signal and the first signal meet condition simultaneously, 140 output drive signal of gate drivers.
The present embodiment is optional, includes: starting voltage according in the step of starting voltage signal out-put supply enabling signal
Out-put supply enabling signal when the voltage of signal reaches 30V.
In the present solution, the voltage of power supply starting signal is risen by low level when starting voltage signal just rises to 30V
For high level.
The present embodiment is optional, controls 140 output drive signal of gate drivers according to the first signal and the second signal
In step: the first signal becomes high level from low level, while when second signal meets condition, and control gate drivers 140 are defeated
Driving signal out.
In the present solution, the output of the first signal is low level, in timing when sequential control circuit 110 has just started initialization
After control circuit 110 completes initialization procedure, the output of the first signal is high level, when second signal is also high level, is just controlled
140 output drive signal of gate drivers processed.
As shown in Figure 4 and Figure 5, as another embodiment of the invention, a kind of display device, including backlight electricity are disclosed
Road 200 and display panel 100；Backlight circuit 200 is used to provide backlight for display panel 100；Display panel 100 includes: timing
Control circuit 110, for reading the initialization data of display panel 100；Power circuit 120, for being provided for display panel 100
Power supply；Gate drivers 140, for driving the scan line of display panel；And control circuit 160；Sequential control circuit 110 is defeated
The first signal is to control circuit 160 out；Power circuit 120 exports second signal to control circuit 160；160 basis of control circuit
The first signal and the second signal control 140 output drive signal of gate drivers.
In the present solution, judging whether sequential control circuit 110 and power circuit 120 have been configured by control circuit 160
It completes, if configuration is completed to restart the normal work of gate drivers 140, driving display panel is shown, if timing control core
Piece and power circuit 120 have a not yet configuration to complete, then gate drivers 140 can not then export, make to keep black picture shape
State avoids the occurrence of start-up picture exception, while designing simple and easy to do, and cost is relatively low, saves the available machine time.
The present embodiment is optional, and second signal includes starting voltage signal, and starting voltage signal is output to gate drivers
140, control circuit 160 controls 140 output drive signal of gate drivers according to the first signal and starting voltage signal.
In the present solution, starting voltage signal is the cut-in voltage of the display as display device, while playing voltage signal
Voltage be that power circuit 120 is output to the highest voltage of level in each unit voltage, and finally produced in power circuit 120
Thus raw voltage signal judges the benchmark whether power circuit 120 has normally exported using starting voltage signal.
The present embodiment is optional, and control circuit 160 includes circuit for detecting 161 and gate circuit 162, and circuit for detecting 161 is read
Take starting voltage signal, out-put supply enabling signal；Circuit for detecting 161 is respectively with 162 phase of power circuit 120 and gate circuit
Even, gate circuit 162 is also connected with timing controller；First signal and power supply starting signal are output to gate circuit 162, door
Polar circuit 162 controls 140 output drive signal of gate drivers according to the first signal and starting voltage signal.
In the present solution, the overtension of starting voltage signal, can not be directly output in gate circuit 162, use detecting
161 real-time monitoring of circuit starts the voltage of voltage signal, when the voltage for starting voltage signal rises to 30V, circuit for detecting 161
Out-put supply enabling signal, it is meant that the voltage that power circuit 120 is output to each section has configured completion.Power supply starting signal
It is output to gate circuit 162 together with the first signal, when power supply starting signal and the first signal meet condition simultaneously, gate pole electricity
Road 162 controls 140 output drive signal of gate drivers.
The present embodiment is optional, and gate circuit 162 includes AND gate circuit 163, circuit for detecting 161 and sequential control circuit
110 are connected to the output end of AND gate circuit 163, and AND gate circuit 163 is driven according to the first signal and starting voltage signal control grid
Dynamic 140 output drive signal of device.
In the present solution, when guaranteeing the first signal and power supply starting signal using AND gate circuit 163 while meeting condition, with
Gate circuit 163 just has output.
As shown in figure 5, as another embodiment of the invention, disclose a kind of display device, including backlight circuit and
Display panel；Backlight circuit 200 is used to provide backlight for display panel 100；Display panel includes: sequential control circuit 110, is used
In the initialization data for reading display panel；Power circuit 120, for providing power supply for display panel 100；Gate drivers
140, the scan line for driving panel；Circuit for detecting 161 and gate circuit 162；Circuit for detecting 161 reads starting voltage letter
Number, out-put supply enabling signal；Sequential control circuit 110 exports the first signal to gate circuit；The output starting of power circuit 120
For voltage signal to circuit for detecting 161,161 out-put supply of circuit for detecting enables signals to gate circuit；Gate circuit is according to first
Signal and power supply starting signal control 140 output drive signal of gate drivers.
In the present solution, judging whether sequential control circuit 110 and power circuit 120 have configured by control circuit
At if configuration is completed to restart the normal work of gate drivers 140, driving panel is shown, if timing controller and electricity
Source circuit 120 has a not yet configuration to complete, then gate drivers 140 can not then export, makes to keep black picture state, avoid
It is abnormal to there is start-up picture, while designing simple and easy to do, cost is relatively low, saves the available machine time.
As shown in fig. 6, disclosing a kind of driving circuit of display panel as another embodiment of the invention, comprising:
Sequential control circuit 110, for reading the initialization data of display panel；Power circuit 120, for providing electricity for display panel
Source；Gate drivers 140, for driving the scan line of display panel；Driving circuit further include: first resistor R1, second resistance
R2,3rd resistor R3, the 4th resistance R4, the first field effect transistor P1, the second field effect transistor P2 and third field-effect are brilliant
Body pipe P3；Sequential control circuit 110 is connected with the grid of the second field effect transistor P2；Power circuit 120 is with first resistor R1
With second resistance R2 connect be grounded, the grid of the first field effect transistor P1 be connected to first resistor R1 and second resistance R2 it
Between, the drain electrode of the first field effect transistor P1 and the drain electrode of the second field effect transistor P2 are commonly connected to third field effect transistor
The grid of pipe P3, the gate series 3rd resistor R3 ground connection of third field effect transistor P3；The source of first field effect transistor P1
The source level of grade, the source level of the second field effect transistor P2 and third field effect transistor P3 connects supply voltage, third field effect jointly
The drain electrode of transistor P3 is answered to be connected with gate drivers 140, the 4th resistance R4 of the drain series ground connection of third field effect transistor.
In the present solution, by judging whether sequential control circuit 110 and power circuit 120 have configured completion, if matched
It sets completion and restarts the normal work of gate drivers 140, driving display panel is shown, if timing controller and power circuit
120 have a not yet configuration to complete, then gate drivers 140 can not then export, make to keep black picture state, avoid the occurrence of out
Machine picture is abnormal, while designing simple and easy to do, and cost is relatively low, saves the available machine time.Such as Fig. 1, when the voltage quasi position foot of VGH signal
When enough, V1 is that high level, the VGS=0 of PMOS P1, PMOS P1 cut-off, while the RD signal of sequential control circuit 110 are high electricity
Flat, PMOS P2 is also switched off, and V2 is connected by R3 and ground at this time, V2=0, then the VGS < 0 of PMOS P3, P3 is connected at this time,
VDD is connected to by PMOS P3 with R4, and OE signal is high level at this time, is just realized as shown in figure 3, only VGH signal and RD are believed
When number all normal work, OE signal is high level, and gate drivers 140 start normal output.
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 various display panels, such as TN type display panel (full name Twisted
Nematic, i.e. twisted nematic panel), IPS type display panel (In-Plane Switching, plane conversion), VA type show
Panel (Multi-domain Vertical Alignment, more quadrant vertical orientation technologies), it is of course also possible to be other classes
The display panel of type, such as organic light emitting display panel (organic light emitting diode, abbreviation OLED display surface
Plate), applicable above scheme.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, 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 driving method of display device, which is characterized in that comprising steps of
Synchronous averaging backlight circuit, sequential control circuit and power circuit；
The first signal is exported after sequential control circuit initialization；
Second signal is exported after power circuit starting；
Gate drivers output drive signal is controlled according to the first signal and the second signal.
2. a kind of driving method of display device as described in claim 1, which is characterized in that the second signal includes starting
Voltage signal, the starting voltage signal are exported by the gate drivers to scan line；
In described the step of controlling gate drivers output drive signal according to the first signal and the second signal: according to the first signal
Gate drivers output drive signal is controlled with starting voltage signal.
3. a kind of driving method of display device as claimed in claim 2, which is characterized in that
In described the step of controlling gate drivers output drive signal according to the first signal and starting voltage signal:
According to starting voltage signal out-put supply enabling signal；
Gate drivers output drive signal is controlled according to the first signal and power supply starting signal；
Voltage of the voltage of power supply starting signal lower than starting voltage signal.
4. a kind of driving method of display device as claimed in claim 3, which is characterized in that described according to starting voltage signal
It include: out-put supply enabling signal when the voltage for starting voltage signal reaches 30V in the step of out-put supply enabling signal.
5. a kind of driving method of display device as described in claim 1, which is characterized in that described according to the first signal and the
Binary signal controlled in the step of gate drivers output drive signal: first signal becomes high level from low level, simultaneously
When second signal becomes high level from low level, gate drivers output drive signal is controlled.
6. a kind of display device, which is characterized in that including backlight circuit and display panel；
The backlight circuit is used to provide backlight for display panel；
The display panel includes:
Sequential control circuit reads the initialization data of display panel；
Power circuit, for providing power supply for display panel；
Gate drivers, for driving the scan line of display panel；
And control circuit；
The sequential control circuit exports the first signal to control circuit；
The power circuit exports second signal to control circuit；
The control circuit controls gate drivers output drive signal according to the first signal and the second signal.
7. a kind of display device as claimed in claim 6, which is characterized in that the second signal includes starting voltage signal,
The starting voltage signal is output to the gate drivers, and the control circuit is according to the first signal and starting voltage signal control
Gate drivers output drive signal processed.
8. a kind of display device as claimed in claim 7, which is characterized in that the control circuit includes circuit for detecting and gate pole
Circuit, the circuit for detecting read the starting voltage signal, out-put supply enabling signal；
The circuit for detecting is connected with the power circuit with gate circuit respectively, the gate circuit also with timing controller
It is connected；
First signal and the power supply starting signal are output to gate circuit, and the gate circuit is according to the first signal and opens
Dynamic voltage signal controls gate drivers output drive signal.
9. a kind of display device as claimed in claim 8, which is characterized in that the gate circuit includes AND gate circuit, described
Circuit for detecting and sequential control circuit are connected to the output end of the AND gate circuit, and the AND gate circuit is according to the first signal and opens
Dynamic voltage signal controls gate drivers output drive signal.
10. a kind of display, which is characterized in that including the display device as described in claim 6 to 9 any one.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811337237.3A CN109377952B (en) | 2018-11-12 | 2018-11-12 | Driving method of display device, display device and display |
| PCT/CN2018/118039 WO2020097988A1 (en) | 2018-11-12 | 2018-11-29 | Display device driving method, and display device |
| US17/040,043 US11348540B2 (en) | 2018-11-12 | 2018-11-29 | Display device driving method, and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811337237.3A CN109377952B (en) | 2018-11-12 | 2018-11-12 | Driving method of display device, display device and display |
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| Publication Number | Publication Date |
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| CN109377952A true CN109377952A (en) | 2019-02-22 |
| CN109377952B CN109377952B (en) | 2020-05-26 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277069A (en) * | 2019-06-27 | 2019-09-24 | 青岛海信电器股份有限公司 | A kind of video screen method for controlling backlight thereof, device and TV |
| CN111613173A (en) * | 2019-02-23 | 2020-09-01 | 华为技术有限公司 | Display driving system, display module, driving method of display screen and electronic equipment |
| US11107423B2 (en) | 2019-06-27 | 2021-08-31 | Hisense Visual Technology Co., Ltd. | Method and device for controlling backlight, and display device |
| CN114120927A (en) * | 2021-12-06 | 2022-03-01 | Tcl华星光电技术有限公司 | Backlight module and display device |
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