CN105761661B - Display device and its method for restarting, display panel - Google Patents
Display device and its method for restarting, display panel Download PDFInfo
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- CN105761661B CN105761661B CN201610338746.2A CN201610338746A CN105761661B CN 105761661 B CN105761661 B CN 105761661B CN 201610338746 A CN201610338746 A CN 201610338746A CN 105761661 B CN105761661 B CN 105761661B
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- drive circuit
- circuit module
- register
- display device
- drive
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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
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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
- G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
- G09G2330/06—Handling electromagnetic interferences [EMI], covering emitted as well as received electromagnetic radiation
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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)
Abstract
The present invention provides a kind of display device and its method for restarting, display panel, the display device includes: drive circuit module, including clock signal test side, the first register and incoming end, wherein the drive code set for controlling display device is burned onto the first register；Electrostatic detection module is electrically connected clock signal test side, and whether the output signal for detecting drive circuit module is abnormal；And driving platform, it is separately connected the incoming end of electrostatic detection module and drive circuit module, driving platform includes the second register, and the second register deposits the drive code set for resetting drive circuit module.The present invention passes through to drive module outputs state detection, the full code of burning in mould group register is reset when abnormal, the picture metachromatic state caused by electrostatic reawakes drive module, and voluntarily restarted in the case where being not necessarily to peripheral power supply hardware circuit, prevent full code burning display device occur because of electrostatic caused by without aobvious, flower screen etc. draw different problem.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display devices and its method for restarting, display panel.
Background technique
Electrostatic is the field of display device one of the emphasis to be prevented, mainly by Restart Signal in existing display device
(Reset) and on interface clock signal (MIPI CLK) increase transient voltage suppressor (TVS pipe), prevent caused by electrostatic
Without aobvious or flower screen problem.
Fig. 1 is a kind of anti-static circuit schematic diagram in the prior art.As shown in Figure 1,200 quilt of transient voltage suppressor
Be connected in parallel on by 100 both ends of protection circuit, the pulse voltage of external trigger be effectively suppressed in protected element pressure boundary hereinafter,
It plays a protective role.
The display device of the prior art can only be accomplished to hold in Restart Signal (Reset) and interface clock signal (MIPI CLK)
Antistatic, ESD electrostatic also can seal in integrated circuit from display device in practice, and integrated circuit burning timing code is upset, is made
At screen without aobvious or Hua Ping.For this problem, the display device of the prior art can only by by power key restart display into
Row restores.
Summary of the invention
For the problems of the prior art, the purpose of the present invention is to provide a kind of display panels, can be in screen without aobvious
Or Hua Pingshi, the full code of burning in mould group register is reset, the picture metachromatic state caused by electrostatic reawakes drive module, and
And it is voluntarily restarted in the case where being not necessarily to peripheral power supply hardware circuit.
The embodiment of the invention provides a kind of display devices, comprising:
Drive circuit module, including clock signal test side, the first register and incoming end, wherein control is described aobvious
Show that the drive code set of device is burned onto first register；
Electrostatic detection module is electrically connected the clock signal test side, detect drive circuit module output signal whether
It is abnormal；And
Platform is driven, the incoming end of the electrostatic detection module and the drive circuit module, the driving are separately connected
Platform includes the second register, and second register deposits the drive code set for resetting the drive circuit module.
The embodiment of the invention also provides a kind of method for restarting of display device, restart above-mentioned display device, detect institute
Whether the output for stating drive circuit module is abnormal；When the output abnormality of the drive circuit module, second register is read
The drive code set in the first register described in simultaneously burning is taken, and the drive code set is re-loaded to the driving circuit
Module.
The embodiment of the invention also provides a kind of display panel, the display panel includes:
Drive circuit module, including a clock signal test side, one first register and one are flat for connecting a driving
The incoming end of platform, the reservoir storage control the drive code set of the display device；And
Electrostatic detection module connects the clock signal test side, and whether the output for detecting drive circuit module is abnormal.
Display device and its method for restarting of the invention, display panel have the advantage that the present invention passes through to driving mould
Block outputs state detection resets the full code of burning in mould group register when abnormal, the picture metachromatic state caused by electrostatic is called out again
Awake drive module, and voluntarily restarted in the case where being not necessarily to peripheral power supply hardware circuit, prevent the aobvious of full code burning
Show and draws different problem without aobvious, flower screen etc. caused by device occurs because of electrostatic.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon.
Fig. 1 is a kind of anti-static circuit schematic diagram in the prior art；
Fig. 2 is the module connection diagram of the first display device of the invention；
Fig. 3 is the flow chart of the method for restarting of display device of the invention；
Fig. 4 is the module connection diagram of second of display device of the invention；
Fig. 5 is the circuit structure diagram of trigger of the invention；
Fig. 6 is a kind of module connection diagram of display panel of the invention.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.It is identical attached in figure
Icon note indicates same or similar structure, thus will omit repetition thereof.
Fig. 2 is a kind of module connection diagram of display device of the invention.As shown in Fig. 2, a kind of display of the invention
Device, including display panel 1 and mainboard, drive circuit module 12 and electrostatic detection module 11 are set to display panel 1, and driving is flat
Platform 2 is integrated in mainboard.In this example it is shown that device can be mobile phone, desktop computer, notebook, tablet computer, electronics phase
Volume etc..
Drive circuit module 12 includes clock signal test side 15, the first register 19 and incoming end 17.Of the invention
Display device is a kind of display device of full code burning, and the drive code set for controlling display device is all programmed in the first deposit
Device 19.
Electrostatic detection module 11 is electrically connected the clock signal test side 15, and electrostatic detection module 11 is configured as detection and drives
Whether the output signal of dynamic circuit module 12 is abnormal.Specifically, the electrostatic detection module 11 is trigger, but not limited to this.
Electrostatic detection module 11 includes first input end 14, the second input terminal 18 and output end 16.The first of electrostatic detection module 11 is defeated
Enter 14 electrical connection clock signal test side 15 of end, whether the output signal for detecting drive circuit module 12 is abnormal.Second input terminal
18 input clock signals 13.Trigger in the present embodiment is edge triggered flip flop, the ability with very strong anti-data terminal interference,
But not limited to this.
Driving platform 2 in mainboard is separately connected the output end 16 of electrostatic detection module 11 and connecing for drive circuit module 12
Enter end 17, driving platform 2 includes the second register 21, and the second register 21 deposits the driving for resetting drive circuit module 12
Code.
When extraneous electrostatic seals in IC interior, the drive code set of the sequence control register output of integrated circuit
It will be disturbed, such as grid timing (GOA Timing) is abnormal, will result in the driver' s timing entanglement of mould group, so that screen is aobvious
Show the image of entanglement or without display picture.In this case, since the register other than display panel 1 in the present invention can be with
Drive code set in heavily loaded drive circuit module 12, and drive code set is re-loaded to drive circuit module 12, resetting is driven
The drive code set of dynamic circuit module 12 eliminates adverse effect of the electrostatic to display device.In this whole process, display device sheet
Body is not necessarily to power-off restarting.
Fig. 3 is the flow chart of the method for restarting of display device of the invention.As shown in figure 3, a kind of display of the invention
The method for restarting of part restarts the display device such as Fig. 2, comprising the following steps:
S101: booting powers on.
S102: drive circuit module output signal.
S103: whether the clock signal test side output that electrostatic detection module detects drive circuit module is abnormal, if so,
Step S104 is executed, screen at this time has shown that the image of entanglement or without display picture；If it is not, S102 is thened follow the steps,
Screen at this time still normally shows image.In the use process of display device, electrostatic detection module real-time monitoring driving electricity
The clock signal test side of road module, notes abnormalities, restarts to display device.
In the present embodiment, electrostatic detection module is chosen as edge triggered flip flop, and edge triggered flip flop structure is simple and effective, Neng Gouzhun
Conventional pulse signal and constant potential signal really are distinguished, and the current potential that can be detected immediately upon drive circuit module changes
Become.If the signal of electrostatic detection module detection is pulse signal, drive circuit module is in normal condition；If electrostatic detection mould
When the signal of block detection is constant potential signal, then drive circuit module is in abnormality, and but not limited to this.
Drive code set in the S104: the second register read of step and the first register of burning.Wherein, the second register is
Register other than display panel, the second register can be by heavily loaded first registers of incoming end of drive circuit module
Drive code set, to prepare to restart display panel.
Step S105: being re-loaded to drive circuit module for drive code set, resets the drive code set of drive circuit module,
Eliminate adverse effect of the electrostatic to display device.Specifically, the second register will be rigid by the incoming end of drive circuit module
The just drive code set of heavy duty, is re-loaded to drive circuit module, to reset the drive code set of drive circuit module, passes through this
Kind mode, there are the original drive code sets in the first driver obtaining script for drive circuit module, to substitute integrated electricity
The timing code that the mistake of electrostatic has been sealed in road, to eliminate adverse effect of the electrostatic to display device.In the process, it shows
It is voluntarily restarted in the case where showing device without peripheral power supply hardware circuit, the display device for preventing full code burning goes out
Now because drawing different problem without aobvious, flower screen etc. caused by electrostatic.
Fig. 4 is a kind of module connection diagram of display device of the invention.As shown in figure 4, a kind of display of the invention
Device, including display panel 1, flexible circuit board 3 and mainboard.Drive circuit module 12 is set to display panel 1.Flexible circuit board
3 electrical connection display panels 1 and mainboard.Electrostatic detection module 11 is set to flexible circuit board 3.Driving platform 2 is integrated in mainboard.Together
Sample, in this example it is shown that device can be mobile phone, desktop computer, notebook, tablet computer, electron album etc..
Drive circuit module 12 includes clock signal test side 15, the first register 19 and incoming end 17.Of the invention
Display device is a kind of display device of full code burning, and the drive code set for controlling display device is all programmed in the first deposit
Device 19.
Compared with the first display device, electrostatic detection module 11 flexible circuit board has been moved on into second of display device
3, reducing the circuit on display panel 1 helps to reduce the border width of display panel 1.Electrostatic detection mould in the present embodiment
Block 11 is a trigger, and but not limited to this.Trigger includes first input end 14, the second input terminal 18 and output end 16.It is quiet
The first input end 14 of electro-detection module 11 is electrically connected clock signal test side 15, detects the output signal of drive circuit module 12
It is whether abnormal.Second input terminal, 18 input clock signal 13.Trigger in the present embodiment is edge triggered flip flop, but not as
Limit.
Driving platform 2 in mainboard is separately connected the output end 16 of electrostatic detection module 11 and connecing for drive circuit module 12
Enter end 17, driving platform 2 includes the second register 21, and the second register 21 deposits the driving for resetting drive circuit module 12
Code.Display panel 1 restart principle as previously described (with the first display device to restart principle identical), it is no longer superfluous herein
It states.Second of display device in the present invention equally may be implemented to be not necessarily to lower drive code set just at the complete machine end that display device occurs
It can reset.
Fig. 5 is the circuit structure diagram of trigger of the invention.As shown in figure 5, trigger is a classical D in the present invention
Type edge triggered flip flop includes four NAND gates 111,112,113,114, and the end CP of the D-type edge-trippered flip-flop is as the present invention
In the second input terminal 18, so as to D-type edge-trippered flip-flop input clock signal.The end D of the D-type edge-trippered flip-flop is as this hair
First input end 14 in bright is electrically connected clock signal test side, and whether the output signal for detecting drive circuit module is abnormal.It should
The end Q of D-type edge-trippered flip-flop is as the electrical connection driving platform of output end 16 in the present invention.When output end 16 exports constant signal
When, then heavily loaded drive code set is carried out, the movement of drive circuit module is reawaked；When 16 output pulse signal of output end, then
Drive circuit module 12 is working properly, without executing subsequent action.Certainly, the trigger in the present invention is also possible to other circuits
Structure is not limited.
Fig. 6 is a kind of module connection diagram of display panel of the invention.As shown in fig. 6, the present invention also provides one kind
Display panel 1, display panel 1 include: electrostatic detection module 11 and drive circuit module 12.Drive circuit module 12 includes for the moment
Sequential signal test side 15, one first register 19 and one are used to connect an incoming end 17 for driving platform (not shown),
First register 19 stores the drive code set of control display device.Electrostatic detection module 11 connects clock signal test side 15, inspection
Whether the output for surveying drive circuit module 12 is abnormal.Driving platform is separately connected electrostatic detection module 11 and drive circuit module 12
Incoming end 17, driving platform include one for deposit drive code set with reset the second register of drive circuit module 12 (figure
In be not shown).Display panel 1 restarts principle as previously mentioned, details are not described herein again.
In conclusion display device and its method for restarting of the invention, display panel have the advantage that the present invention passes through
To drive module outputs state detection, the full code of burning in mould group register is reset when abnormal, the different shape of picture caused by electrostatic
State reawakes drive module, and voluntarily restarts in the case where being not necessarily to peripheral power supply hardware circuit, prevents full code
Aobvious, flower screen of nothing caused by the display device of burning occurs because of electrostatic etc. draws different problem.
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 (8)
1. a kind of display device characterized by comprising
Drive circuit module, including clock signal test side, the first register and incoming end, wherein control the display
The drive code set of part is burned onto first register；
Electrostatic detection module is electrically connected the clock signal test side, and whether the output signal for detecting drive circuit module is abnormal；
And
Platform is driven, the incoming end of the electrostatic detection module and the drive circuit module, the driving platform are separately connected
Including the second register, when the output abnormality of the drive circuit module, the described in second register read and burning
The drive code set in one register, and the drive code set is re-loaded to the drive circuit module.
2. a kind of display device according to claim 1, which is characterized in that the electrostatic detection module is trigger, institute
Stating trigger includes first input end, the second input terminal and output end, and the first input end is electrically connected the clock signal inspection
End, the second input terminal input clock signal are surveyed, the output end is electrically connected the driving platform.
3. a kind of display device according to claim 2, which is characterized in that the trigger is edge triggered flip flop.
4. a kind of display device as claimed in any of claims 1 to 3, which is characterized in that the display device packet
Include display panel and mainboard, wherein the drive circuit module and the electrostatic detection module are set to the display panel, institute
It states driving platform and is set to the mainboard.
5. a kind of display device according to claim 4, which is characterized in that the display panel further includes flexible circuitry
Plate, the flexible circuit board are electrically connected the display panel and the mainboard；The electrostatic detection module is set to the flexibility
Circuit board.
6. a kind of method for restarting of display device, restarts the display device as described in claim 1-5 any one, feature exists
In: whether the output for detecting the drive circuit module is abnormal；When the output abnormality of the drive circuit module, described second
The drive code set in first register described in register read and burning, and the drive code set is re-loaded to described
Drive circuit module.
7. a kind of method for restarting of display device according to claim 6, which is characterized in that if the electrostatic detection module
When the signal of detection is pulse signal, the drive circuit module is in normal condition；
If the signal of the electrostatic detection module detection is constant potential signal, the drive circuit module is in abnormal shape
State.
8. a kind of display panel, which is characterized in that the display panel includes: drive circuit module and electrostatic detection module；
The drive circuit module includes a clock signal test side, one first register and one for connecting a driving platform
Incoming end, first register storage controls the drive code set of the display device where the display panel；The driving
Platform is separately connected the incoming end of the electrostatic detection module and the drive circuit module, and the driving platform includes one second
Register, when the output abnormality of the drive circuit module, the first register described in second register read and burning
In the drive code set, and the drive code set is re-loaded to the drive circuit module；And
The electrostatic detection module connects the clock signal test side, and whether the output for detecting drive circuit module is abnormal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610338746.2A CN105761661B (en) | 2016-05-20 | 2016-05-20 | Display device and its method for restarting, display panel |
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| CN201610338746.2A CN105761661B (en) | 2016-05-20 | 2016-05-20 | Display device and its method for restarting, display panel |
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| CN105761661B true CN105761661B (en) | 2019-03-05 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106569923A (en) * | 2016-10-25 | 2017-04-19 | 硅谷数模半导体（北京）有限公司 | Static detection system of integrated circuit, control method and apparatus |
| CN109426015B (en) * | 2017-08-31 | 2021-07-30 | 深圳市国显科技有限公司 | Liquid crystal display screen electric testing jig for automatically detecting OTP missed burning and testing method thereof |
| CN109192152B (en) * | 2018-08-29 | 2021-01-01 | 努比亚技术有限公司 | LCD control circuit and terminal |
| CN111833782A (en) * | 2019-04-23 | 2020-10-27 | 北京集创北方科技股份有限公司 | Drive circuit detection method and device |
| CN110718177A (en) * | 2019-11-15 | 2020-01-21 | Tcl华星光电技术有限公司 | Display device and screen recovery method thereof |
| CN110970419A (en) * | 2019-11-20 | 2020-04-07 | 深圳市华星光电半导体显示技术有限公司 | Electrostatic protection device and method |
| CN111462692B (en) * | 2020-05-15 | 2022-03-01 | 京东方科技集团股份有限公司 | Driving circuit, restarting method thereof and display device |
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