CN105761661A - Display device, restarting method thereof and display panel - Google Patents
Display device, restarting method thereof and display panel Download PDFInfo
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- CN105761661A CN105761661A CN201610338746.2A CN201610338746A CN105761661A CN 105761661 A CN105761661 A CN 105761661A CN 201610338746 A CN201610338746 A CN 201610338746A CN 105761661 A CN105761661 A CN 105761661A
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- display device
- drive circuit
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- module
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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 invention provides a display device, a restarting method thereof and a display panel. The display device comprises a driving circuit module, a static detection module and a driving platform, wherein the driving circuit module comprises a time sequence signal detection end, a first register and an access end, and driving codes of the display device are controlled to be burnt into the first register; the static detection module is electrically connected with the time sequence signal detection end and used for detecting whether an output signal of the driving circuit module is abnormal or not; the driving platform is connected with the static detection module and the access end of the driving circuit module and comprises a second register, and driving codes for resetting the driving circuit module are deposited in the second register. The output state of the driving module is detected, all codes burnt in the module register are reset if the state is abnormal, the driving module is reawaken from the picture abnormality state caused by static electricity and automatically started again without a peripheral power source hardware circuit, and picture abnormality problems that a display device with all code burning displays nothing or a blurred screen due to static electricity are prevented.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of display device and method for restarting, display floater.
Background technology
Electrostatic is one of the emphasis to prevent of display device field, mainly through increasing transient voltage suppressor (TVS pipe) on Restart Signal (Reset) and interface clock signal (MIPICLK) in existing display device, the nothing that prevention electrostatic causes is aobvious or spends screen problem.
Fig. 1 is a kind of anti-static circuit schematic diagram in prior art.As it is shown in figure 1, transient voltage suppressor 200 is connected in parallel on protected circuit 100 two ends, the pulse voltage of external trigger is effectively suppressed below protected element pressure boundary, plays a protective role.
The display device of prior art can only be accomplished to hold antistatic at Restart Signal (Reset) and interface clock signal (MIPICLK), in reality, ESD electrostatic also can seal in integrated circuit from display device, integrated circuit burning sequential code is upset, causes screen without aobvious or flower screen.For this problem, the display device of prior art recovers only by restarting display by power key.
Summary of the invention
For the problems of the prior art, it is an object of the invention to provide a kind of display floater, can at screen without aobvious or Hua Pingshi, reset the full code of burning in module depositor, the picture metachromatic state caused from electrostatic reawakes driving module, and restarts voluntarily when without peripheral power supply hardware circuit.
Embodiments provide a kind of display device, including:
Drive circuit module, including clock signal test side, the first depositor and incoming end, wherein, the driving code controlling described display device is burned onto described first depositor；
Electrostatic detection module, electrically connects described clock signal test side, and whether the output signal of detection drive circuit module is abnormal；And
Driving platform, connect the incoming end of described electrostatic detection module and described drive circuit module respectively, described driving platform includes the second depositor, and the described driving code for resetting described drive circuit module deposited by described second depositor.
The embodiment of the present invention additionally provides the method for restarting of a kind of display device, restarts above-mentioned display device, and whether the output detecting described drive circuit module is abnormal；When the output abnormality of described drive circuit module, described second depositor reads the described driving code in the first depositor described in also burning, and described driving code is re-loaded to described drive circuit module.
The embodiment of the present invention additionally provides a kind of display floater, and described display floater includes:
Drive circuit module, including a clock signal test side, one first depositor and for connecting the incoming end of a driving platform, the storage of described bin controls the driving code of described display device；And
Electrostatic detection module, connects described clock signal test side, and whether the output of detection drive circuit module is abnormal.
The display device of the present invention and method for restarting thereof, display floater have the advantage that the present invention passes through driving module outputs state detection, the full code of burning in module depositor is reset time abnormal, the picture metachromatic state caused from electrostatic reawakes driving module, and restart voluntarily when without peripheral power supply hardware circuit, prevent the display device of full code burning to occur drawing different problem because of what electrostatic caused without aobvious, Hua Ping etc..
Accompanying drawing explanation
By reading detailed description non-limiting example made with reference to the following drawings, the other features, objects and advantages of the present invention will become more apparent upon.
Fig. 1 is a kind of anti-static circuit schematic diagram in prior art；
Fig. 2 is the module connection diagram of the first display device of the present invention；
Fig. 3 is the flow chart of the method for restarting of the display device of the present invention；
Fig. 4 is the module connection diagram of the second display device of the present invention；
Fig. 5 is the circuit structure diagram of the trigger of the present invention；
Fig. 6 is the module connection diagram of a kind of display floater of the present invention.
Detailed description of the invention
It is described more fully with example embodiment referring now to accompanying drawing.But, example embodiment can be implemented in a variety of forms, and is not understood as limited to embodiment set forth herein；On the contrary, it is provided that these embodiments make the present invention will fully and completely, and the design of example embodiment is conveyed to those skilled in the art all sidedly.Accompanying drawing labelling identical in the drawings represents same or similar structure, thus will omit repetition thereof.
Fig. 2 is the module connection diagram of a kind of display device of the present invention.As in figure 2 it is shown, a kind of display device of the present invention, including display floater 1 and mainboard, drive circuit module 12 and electrostatic detection module 11 are arranged at display floater 1, drive platform 2 to be integrated in mainboard.In this example it is shown that device can be mobile phone, desktop computer, notebook, panel computer, electron album etc..
Drive circuit module 12 includes clock signal test side the 15, first depositor 19 and incoming end 17.The display device of the present invention is the display device of a kind of full code burning, and the driving code controlling display device is all programmed at the first depositor 19.
Electrostatic detection module 11 electrically connects described clock signal test side 15, and whether the output signal that electrostatic detection module 11 is configured to detection drive circuit module 12 is abnormal.Concrete, this electrostatic detection module 11 is trigger, but is not limited.Electrostatic detection module 11 includes first input end the 14, second input 18 and outfan 16.The first input end 14 of electrostatic detection module 11 electrically connects clock signal test side 15, and whether the output signal of detection drive circuit module 12 is abnormal.Second input 18 input clock signal 13.Trigger in the present embodiment is edge triggered flip flop, has the ability of very strong anti-data terminal interference, but is not limited.
The platform 2 that drives in mainboard connects the outfan 16 of electrostatic detection module 11 and the incoming end 17 of drive circuit module 12 respectively, drives platform 2 to include the second depositor 21, and the driving code for resetting drive circuit module 12 deposited by the second depositor 21.
When extraneous electrostatic seals in IC interior, the driving code of the sequence control register output of integrated circuit will be disturbed, as abnormal in grid sequential (GOATiming) etc., will result in the driver' s timing entanglement of module so that screen shows the image of entanglement or do not show picture.In this case, due to the depositor beyond display floater 1 in the present invention can heavy duty drive circuit module 12 in driving code, and driving code is re-loaded to drive circuit module 12, resets the driving code of drive circuit module 12, eliminate the electrostatic harmful effect to display device.In this whole process, display device itself is without power-off restarting.
Fig. 3 is the flow chart of the method for restarting of the display device of the present invention.As it is shown on figure 3, the method for restarting of a kind of display device of the present invention, restart the display device such as Fig. 2, comprise the following steps:
S101: start powers on.
S102: drive circuit module output signal.
S103: whether the clock signal test side output of electrostatic detection module detection drive circuit module is abnormal, if so, then performs step S104, and screen now has shown that the image of entanglement or do not show picture；If it is not, then perform step S102, screen now still normally shows image.In the use procedure of display device, the clock signal test side of the real-time monitoring driving circuit module of electrostatic detection module, it has been found that abnormal then display device is restarted.
In the present embodiment, electrostatic detection module is chosen as edge triggered flip flop, and edge triggered flip flop simple in construction is effective, it is possible to distinguish pulse signal and the constant potential signal of routine exactly, and the current potential that can be detected immediately upon drive circuit module changes.If the signal of electrostatic detection module detection is pulse signal, drive circuit module is in normal condition；If the signal of electrostatic detection module detection is constant potential signal, then drive circuit module is in abnormality, but is not limited.
Driving code in step S104: the second depositor reading burning the first depositor.Wherein, the second depositor is the depositor beyond display floater, and the second depositor can pass through the driving code in incoming end heavy duty first depositor of drive circuit module, in order to prepares for restarting display floater.
Step S105: driving code is re-loaded to drive circuit module, resets the driving code of drive circuit module, eliminates the electrostatic harmful effect to display device.Specifically, second depositor passes through the incoming end driving code by just heavy duty of drive circuit module, it is re-loaded to drive circuit module, to reset the driving code of drive circuit module, in this way, drive circuit module is obtaining the original driving code originally existing in the first driver, substitutes the sequential code of the mistake having sealed in electrostatic in integrated circuit, thus eliminating the electrostatic harmful effect to display device.In the process, display device, without restarting voluntarily when by peripheral power supply hardware circuit, prevents the display device of full code burning to occur drawing different problem because of what electrostatic caused without aobvious, Hua Ping etc..
Fig. 4 is the module connection diagram of a kind of display device of the present invention.As shown in Figure 4, a kind of display device of the present invention, including display floater 1, flexible circuit board 3 and mainboard.Drive circuit module 12 is arranged at display floater 1.Flexible circuit board 3 electrically connects display floater 1 and mainboard.Electrostatic detection module 11 is arranged at flexible PCB 3.Platform 2 is driven to be integrated in mainboard.Similarly, in this example it is shown that device can be mobile phone, desktop computer, notebook, panel computer, electron album etc..
Drive circuit module 12 includes clock signal test side the 15, first depositor 19 and incoming end 17.The display device of the present invention is the display device of a kind of full code burning, and the driving code controlling display device is all programmed at the first depositor 19.
Compared with the first display device, electrostatic detection module 11 is had been moved to flexible circuit board 3 by the second display device, decrease the circuit on display floater 1 and contribute to reducing the border width of display floater 1.Electrostatic detection module 11 in the present embodiment is a trigger, but is not limited.Trigger includes first input end the 14, second input 18 and outfan 16.The first input end 14 of electrostatic detection module 11 electrically connects clock signal test side 15, and whether the output signal of detection drive circuit module 12 is abnormal.Second input 18 input clock signal 13.Trigger in the present embodiment is edge triggered flip flop, but is not limited.
The platform 2 that drives in mainboard connects the outfan 16 of electrostatic detection module 11 and the incoming end 17 of drive circuit module 12 respectively, drives platform 2 to include the second depositor 21, and the driving code for resetting drive circuit module 12 deposited by the second depositor 21.Display floater 1 restart principle as previously mentioned (with the first display device to restart principle identical), repeat no more herein.The equally possible realization of the second display device in the present invention just can reset without lower driving code at the complete machine end that display device occurs.
Fig. 5 is the circuit structure diagram of the trigger of the present invention.As shown in Figure 5, in the present invention, trigger is a classical D-type edge-trippered flip-flop, including four NAND gate 111,112,113,114, the CP end of this D-type edge-trippered flip-flop is as the second input 18 in the present invention, in order to D-type edge-trippered flip-flop input clock signal.The D end of this D-type edge-trippered flip-flop, as the first input end 14 in the present invention, electrically connects clock signal test side, and whether the output signal of detection drive circuit module is abnormal.The Q end of this D-type edge-trippered flip-flop electrically connects as the outfan 16 in the present invention and drives platform.When outfan 16 exports constant signal, then carry out heavy duty and drive code, reawake the action of drive circuit module；When outfan 16 output pulse signal, then drive circuit module 12 is working properly, it is not necessary to perform subsequent action.Certainly, the trigger in the present invention can also be other circuit structures, is not limited.
Fig. 6 is the module connection diagram of a kind of display floater of the present invention.As shown in Figure 6, the present invention also provides for a kind of display floater 1, and display floater 1 includes: electrostatic detection module 11 and drive circuit module 12.Drive circuit module 12 includes clock signal test side 15,1 first depositor 19 and for connecting the incoming end 17 of a driving platform (not shown), and the first depositor 19 stores the driving code controlling display device.Electrostatic detection module 11 connects clock signal test side 15, and whether the output of detection drive circuit module 12 is abnormal.Drive platform to connect the incoming end 17 of electrostatic detection module 11 and drive circuit module 12 respectively, drive platform to include one for depositing driving code to reset the second depositor (not shown) of drive circuit module 12.Display floater 1 restart principle as it was previously stated, repeat no more herein.
In sum, the display device of the present invention and method for restarting thereof, display floater have the advantage that the present invention passes through driving module outputs state detection, the full code of burning in module depositor is reset time abnormal, the picture metachromatic state caused from electrostatic reawakes driving module, and restart voluntarily when without peripheral power supply hardware circuit, prevent the display device of full code burning to occur drawing different problem because of what electrostatic caused without aobvious, Hua Ping etc..
Above content is in conjunction with concrete preferred implementation further description made for the present invention, it is impossible to assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, protection scope of the present invention all should be considered as belonging to.
Claims (9)
1. a display device, it is characterised in that including:
Drive circuit module, including clock signal test side, the first depositor and incoming end, wherein, the driving code controlling described display device is burned onto described first depositor；
Electrostatic detection module, electrically connects described clock signal test side, and whether the output signal of detection drive circuit module is abnormal；And
Driving platform, connect the incoming end of described electrostatic detection module and described drive circuit module respectively, described driving platform includes the second depositor, and the described driving code for resetting described drive circuit module deposited by described second depositor.
2. a kind of display device according to claim 1, it is characterized in that, described electrostatic detection module is trigger, described trigger includes first input end, the second input and outfan, described first input end electrically connects described clock signal test side, described second input input clock signal, described outfan electrically connects described driving platform.
3. a kind of display device according to claim 2, it is characterised in that described trigger is edge triggered flip flop.
4. a kind of display device as claimed in any of claims 1 to 3, it is characterized in that, described display device includes display floater and mainboard, wherein, described drive circuit module and described electrostatic detection module are arranged at described display floater, and described driving platform is arranged at described mainboard.
5. a kind of display device according to claim 4, it is characterised in that described display floater also includes flexible circuit board, and described flexible circuit board electrically connects described display floater and described mainboard；Described electrostatic detection module is arranged at described flexible PCB.
6. a method for restarting for display device, restarts the display device as described in claim 1-5, it is characterised in that: whether the output detecting described drive circuit module is abnormal；When the output abnormality of described drive circuit module, described second depositor reads the described driving code in the first depositor described in also burning, and described driving code is re-loaded to described drive circuit module.
7. the method for restarting of a kind of display device according to claim 6, it is characterised in that if the signal of described electrostatic detection module detection is pulse signal, described drive circuit module is in normal condition；
If the signal of described electrostatic detection module detection is constant potential signal, then described drive circuit module is in abnormality.
8. a display floater, it is characterised in that described display floater includes:
Drive circuit module, including a clock signal test side, one first depositor and for connecting the incoming end of a driving platform, the storage of described bin controls the driving code of described display device；And
Electrostatic detection module, connects described clock signal test side, and whether the output of detection drive circuit module is abnormal.
9. a kind of display floater according to claim 8, it is characterized in that, described driving platform connects the incoming end of described electrostatic detection module and described drive circuit module respectively, and described driving platform includes one for depositing described driving code to reset the second depositor of described drive circuit module.
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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 CN105761661B (en) | 2019-03-05 |
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Cited By (7)
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| 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 |
| CN109192152A (en) * | 2018-08-29 | 2019-01-11 | 努比亚技术有限公司 | A kind of LCD control circuit and terminal |
| CN109426015A (en) * | 2017-08-31 | 2019-03-05 | 深圳市国显科技有限公司 | A kind of the liquid crystal display electrical measurement fixture and its test method of automatic detection OTP leakage burning |
| 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 |
| CN111462692A (en) * | 2020-05-15 | 2020-07-28 | 京东方科技集团股份有限公司 | Driving circuit, restarting method thereof and display device |
| 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 |
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| CN109426015A (en) * | 2017-08-31 | 2019-03-05 | 深圳市国显科技有限公司 | A kind of the liquid crystal display electrical measurement fixture and its test method of automatic detection OTP leakage burning |
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| CN111462692A (en) * | 2020-05-15 | 2020-07-28 | 京东方科技集团股份有限公司 | Driving circuit, restarting method thereof and display device |
| 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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