CN103117048B - A kind of LCDs LCD electrostatic blank screen restoration methods and device - Google Patents
A kind of LCDs LCD electrostatic blank screen restoration methods and device Download PDFInfo
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- CN103117048B CN103117048B CN201210512745.7A CN201210512745A CN103117048B CN 103117048 B CN103117048 B CN 103117048B CN 201210512745 A CN201210512745 A CN 201210512745A CN 103117048 B CN103117048 B CN 103117048B
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Abstract
The embodiment of the invention discloses a kind of LCD electrostatic blank screen restoration methods, Apparatus and system.Wherein said method comprises: the look-at-me that main frame receiving liquid crystal display screen LCD sends, and described look-at-me sends when described LCD detects the screen blank screen of described LCD; Described main frame judges whether described LCD enters normal sleep pattern, if the judgment is Yes, then initialization process is not carried out to described LCD, if the judgment is No, then determine that the screen blank screen of described LCD is caused by electrostatic, then described main frame carries out initialization process to described LCD.The embodiment of the present invention can greatly be saved system resource and improve treatment effeciency.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of LCDs (LCD, LiquidCrystalDisplay) electrostatic (Electro-Staticdischarge) blank screen restoration methods and device.
Background technology
Current electronic equipment for consumption especially mobile phone development to the smart mobile phone stage, thickness is more and more thinner, screen size becomes large gradually, therefore all adopt a kind of dynamic backlight to control (ContentAdaptiveBrightnessControl for the LCD screen major part of displaying contents, CABC) technology, to balance the relation of Showing Effectiveness On Screen and electricity power consumption.But the reduction of electronic equipment thickness can increase LCD screen due to electrostatic problem and cause the risk of soft failure, and the blank screen phenomenon that soft failure causes very affects Consumer's Experience simultaneously.
At present for evading the electrostatic display problem of LCD, the method of usual employing training in rotation goes the value of the register reading LCD control chip, if parameter correctly, continues brush screen, if parameter error, reinitialize LCD driving chip, or again brush the register of LCD, this kind of mode must remove the register reading or brush LCD by main frame always, relatively expend the resource of system, cause the waste of system resource, fluency aspect has impact, and host process very busy time, due to now main frame also need to read LCD parameter and cannot brush screen time, meeting so cause LCD sudden strain of a muscle screen problem, affect Consumer's Experience equally, in addition, what electrostatic instantaneous pressure caused is LCD driving chip soft failure thoroughly, even if now it also cannot be allowed normally to show by the method for refresh register, must re-power initialization LCD driving chip just can allow it recover normal display, and the action adding initialization LCD driving chip in above-mentioned pooling method also can allow LCD constantly produce the problem of screen sudden strain of a muscle.
Summary of the invention
The embodiment of the present invention provides a kind of LCD electrostatic blank screen restoration methods and device, can greatly save system resource and improve treatment effeciency.
Concrete, a kind of LCDs LCD electrostatic blank screen restoration methods that the embodiment of the present invention provides, comprising:
The look-at-me that main frame receiving liquid crystal display screen LCD sends, described look-at-me sends when described LCD detects the screen blank screen of described LCD;
Described main frame judges whether described LCD enters normal sleep pattern, if the judgment is Yes, then initialization process is not carried out to described LCD, if the judgment is No, then determine that the screen blank screen of described LCD is caused by electrostatic, then described main frame carries out initialization process to described LCD.
Accordingly, the another kind of LCDs LCD electrostatic blank screen restoration methods that the embodiment of the present invention provides, comprising:
When LCDs LCD detects the screen blank screen of described LCD, send look-at-me to main frame;
Judge to make described main frame whether described LCD enters normal sleep pattern, if the judgment is Yes, then initialization is not carried out to described LCD, if the judgment is No, then determine that the screen blank screen of described LCD is caused by electrostatic, then described main frame carries out initialization process to described LCD.
Accordingly, a kind of main frame that the embodiment of the present invention provides, comprising:
Receiver module, for the look-at-me that receiving liquid crystal display screen LCD sends, described look-at-me sends when described LCD detects the screen blank screen of described LCD;
First judge module, for judging whether described LCD enters normal sleep pattern;
Initialization process module, for when the judged result of described first judge module is no, determines that the screen blank screen of described LCD is caused by electrostatic, and carries out initialization process to described LCD.
Accordingly, a kind of LCDs LCD that the embodiment of the present invention provides, to comprise, screen, LCD backlight, LCD driving chip, LCD backlight driving chip, is characterized in that, also comprise:
Interrupt circuit, for detecting the screen whether blank screen of described LCDs LCD, and when the screen blank screen of described LCDs LCD being detected, send look-at-me to main frame, judge to make described main frame whether described LCD enters normal sleep pattern, if the judgment is Yes, then initialization is not carried out to described LCD, if the judgment is No, then determine that described LCD blank screen is caused by electrostatic, then described main frame carries out initialization process to described LCD.
Accordingly, the embodiment of the present invention also provides a kind of LCDs LCD system, and it can comprise the main frame described in the embodiment of the present invention and the LCDs described in the embodiment of the present invention.
In sum, in the embodiment of the present invention when main frame receives the look-at-me of LCDs LCD transmission, described look-at-me sends when described LCD detects the screen blank screen of described LCD; Judge whether described LCD enters normal sleep pattern, if the judgment is Yes, then initialization process is not carried out to described LCD, if the judgment is No, then determine that the screen blank screen of described LCD is caused by electrostatic, then described main frame carries out initialization process to described LCD.Thus, the embodiment of the present invention is judged by the blank screen of look-at-me and main frame, just can realize the recovery of electrostatic blank screen, can greatly save system resource and improve treatment effeciency.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is some embodiments of the embodiment of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of an embodiment of LCD electrostatic blank screen restoration methods provided by the invention;
Fig. 2 is the schematic flow sheet of another embodiment of LCD electrostatic blank screen restoration methods provided by the invention;
Fig. 3 is an example structure composition schematic diagram of liquid crystal display systems of the present invention;
Fig. 4 is an example structure composition schematic diagram of LCDs LCD of the present invention;
Fig. 5 is the structure composition schematic diagram of an embodiment of main frame of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, remove the technical scheme in the embodiment of the present invention, intactly describe, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Below in conjunction with the drawings and the specific embodiments, the technical scheme of the embodiment of the present invention is described in detail.
As shown in Figure 1, the flow process of an embodiment of LCD electrostatic blank screen restoration methods provided by the invention can comprise the following steps:
The look-at-me that step S110, main frame receiving liquid crystal display screen LCD send, described look-at-me sends when described LCD detects the screen blank screen of described LCD.In specific implementation, the screen blank screen of LCD may have two kinds of reasons, one, the blank screen that LCD enters normal sleep pattern and causes, its two, lost efficacy and the LCD blank screen that causes because electrostatic causes LCD to drive.
Step S111, described main frame judges whether described LCD enters normal sleep pattern, if the judgment is Yes, then performs step S122, if the judgment is No, then performs step S112.
Step S112, determine that the screen blank screen of described LCD is caused by electrostatic, then described main frame carries out initialization process to described LCD.
Step S122, does not carry out initialization process to described LCD.
In specific implementation, the look-at-me in the embodiment of the present invention can be the low level signal that voltage is " 0 ".The look-at-me of certain embodiment of the present invention also can be other level defined arbitrarily or current signals.
In specific implementation, when LCDs LCD detects the voltage of the LCD backlight of described LCD for " 0 ", can determine the screen blank screen described LCDs LCD being detected, then sending voltage to main frame is that the low level signal of " 0 " is as look-at-me.
In specific implementation, when needs LCD enters normal park mode, main frame can arrange time or the instruction of dormancy, then just can enter normal sleep pattern when the time or instruction LCD that reach setting.In specific implementation, main frame only determining that look-at-me, when causing LCD blank screen due to electrostatic, just carries out initialization process to LCD, when the look-at-me of LCD be normally carry out sleep pattern by LCD and cause time, main frame does not need to carry out initialization process to LCD.Therefore, pass through to judge that the LCD sleep pattern setting data of preserving in main frame judges whether LCD enters normal sleep pattern in step S112 main frame.Such as, judge whether it is the time point entering sleep pattern reaching main frame setting, or, be the instruction that main frame have sent that LCD enters sleep pattern.
In specific implementation, main frame may be there is the situation of initialization process failure is carried out (such as to LCD, initialization failure is caused due to the fault of crystal oscillator chip, or, because time delay causes initialization failure not), then now, described in step S212, main frame can repeat to carry out initialization process to described LCD.Generally, when described main frame repeats to carry out the multiplicity of initialization process more than 3 times to described LCD, described main frame stops carrying out initialization process to described LCD, and returns master routine.
The embodiment of the present invention, when electrostatic blank screen phenomenon appears in LCDs LCD, sends look-at-me to main frame by LCDs LCD interrupt circuit, carries out initialization process thus by main frame to described LCD.It can solve the LCD blank screen phenomenon caused by electrostatic effectively, and solve the problem that LCD dodges screen, and the embodiment of the present invention is judged by the blank screen of look-at-me and main frame, just can realize the recovery of electrostatic blank screen, can greatly save system resource and improve treatment effeciency.
What above embodiment was enumerated is the method how main frame recovers LCDs LCD electrostatic blank screen, and from LCDs side, further LCDs LCD electrostatic blank screen restoration methods of the present invention is illustrated below.
As shown in Figure 2, another embodiment of LCD electrostatic blank screen restoration methods provided by the invention can comprise the following steps:
Step S210, when LCDs LCD detects the screen blank screen of described LCD, sends look-at-me to main frame; Judge to make described main frame whether described LCD enters normal sleep pattern, if the judgment is Yes, then initialization is not carried out to described LCD, if the judgment is No, then determine that the screen blank screen of described LCD is caused by electrostatic, then described main frame carries out initialization process to described LCD.
In specific implementation, the look-at-me in the embodiment of the present invention can be the low level signal that voltage is " 0 ".The look-at-me of certain embodiment of the present invention also can be other level defined arbitrarily or current signals.
In specific implementation, in step S210, when LCDs LCD detects the voltage of the LCD backlight of described LCD for " 0 ", can determine the screen blank screen described LCDs LCD being detected, then sending voltage to main frame is that the low level signal of " 0 " is as look-at-me.
In specific implementation, when needs LCD enters normal park mode, main frame can arrange time or the instruction of dormancy, then just can enter normal sleep pattern when the time or instruction LCD that reach setting.In specific implementation, main frame only determining that look-at-me, when causing LCD blank screen due to electrostatic, just carries out initialization process to LCD, when the look-at-me of LCD be normally carry out sleep pattern by LCD and cause time, main frame does not need to carry out initialization process to LCD.Therefore, main frame is by judging that the LCD sleep pattern setting data of preserving in main frame judges whether LCD enters normal sleep pattern.Such as, judge whether it is the time point entering sleep pattern reaching main frame setting, or, be the instruction that main frame have sent that LCD enters sleep pattern.
In specific implementation, main frame may be there is the situation of initialization process failure is carried out (such as to LCD, initialization failure is caused due to the fault of crystal oscillator chip, or, because time delay causes initialization failure not), then now, described in step S212, main frame can repeat to carry out initialization process to described LCD.Generally, when described main frame repeats to carry out the multiplicity of initialization process more than 3 times to described LCD, described main frame stops carrying out initialization process to described LCD, and returns master routine.
The embodiment of the present invention, when electrostatic blank screen phenomenon appears in LCDs LCD, sends look-at-me to main frame by LCDs LCD interrupt circuit, carries out initialization process thus by main frame to described LCD.It can solve the LCD blank screen phenomenon caused by electrostatic effectively, and solve the problem that LCD dodges screen, and the embodiment of the present invention is judged by the blank screen of look-at-me and main frame, just can realize the recovery of electrostatic blank screen, can greatly save system resource and improve treatment effeciency.
Accordingly, the embodiment of the present invention additionally provides main frame for implementing above-mentioned each embodiment of the method and LCDs LCD, and described main frame and LCDs LCD form liquid crystal display systems, as shown in Figure 3, liquid crystal display systems of the present invention can comprise LCDs LCD31 and main frame 32, wherein:
LCDs LCD31, for detecting the screen whether blank screen of described LCDs LCD, and when the screen blank screen of described LCDs LCD being detected, sends look-at-me to main frame;
Main frame 32, for the look-at-me that receiving liquid crystal display screen LCD sends, judge whether described LCD enters normal sleep pattern, and when the judged result of described first judge module is no, determine that the screen blank screen of described LCD is caused by electrostatic, and initialization process is carried out to described LCD.
Concrete, as shown in Figure 4, the LCDs LCD31 of the embodiment of the present invention can comprise LCDs LCD main part 311 and interrupt circuit 312, wherein:
Concrete, the screen (not shown) that LCDs LCD main part 311 can comprise LCD driving chip 3111, LCD backlight driving chip 3112, backlight (being LED string LED1......LED8 in Fig. 4) and be positioned at before backlight.
Interrupt circuit 312 can comprise look-at-me output pin 3121, precision resister (R1, R2) and filter capacitor C, wherein:
LCD driving chip 3111, for controlling backlight driving chip 3112 driving LED lamp string and dynamically supporting lcd screen display work.Wherein, what LCD driving chip 3111 adopted is CABC backlight power conservation techniques, and it can the image content that presents of automatic analysis lcd screen, with the backlight illumination that different content dynamic conditioning is suitable, and keeps the contrast of picture with lively simultaneously; In addition, LCD driving chip 3111 can export PWM restituted signal simultaneously, and the Current adjustment exported by backlight driving chip 3112, in certain scope, may be used for protection circuit etc.
Backlight driving chip 3112, for sending drive singal to LED string dynamically to support lcd screen display work.Due to, by support and the control of LCD driving chip 3111, the electric current that backlight driving chip 3112 flows out can not break up look-at-me output pin 3121 generation of LCD lamp string and the high level signal end being connected to backlight driving chip 3112 and damage.
Look-at-me output pin 3121, is connected with main frame, for sending look-at-me.Wherein, precision resister (R1, R2) is external with the backlight driving chip 3112 of LCDs LCD, and form backlight bleeder circuit, filter capacitor C1 and look-at-me output pin 3121 are connected to the common pin place of resistance R1 and R2 jointly.
In specific implementation, precision resister R1, R2 series connection, in LCD backlight positive polarity, divides and extrudes the voltage equal with Host Interrupt signal output pin 3121 level, filter capacitor C1 ground connection.Wherein, the high frequency interference that the filtering backlight driving chip work that is chosen for of filtering capacitance produces, there is signal when Low level effective in look-at-me output pin 53.In specific implementation, described interrupt circuit 312 accessible site in the backlight position of described LCDs LCD, or described interrupt circuit 312 also accessible site in the motherboard at the backlight driving chip place of described LCDs LCD.
In concrete enforcement, when LCD driving chip 311 normally controls backlight driving chip 312, when backlight driving chip 312 also normally supports that LCD backlight group works, LCD backlight group is illuminating state, the middle fracture that then main frame connects is all high level, under normal operating conditions, look-at-me output pin 53 can not produce look-at-me because there is low level; When LCD driving chip 311 stops the signal controlling to send backlight driving chip 52, control backlight driving chip 312 output current blocks LCD backlight group cathode voltage and becomes 0, the look-at-me output pin 3121 being connected to dividing potential drop mouth can become low level 0, produces look-at-me and sends to main frame.After then main frame receives this look-at-me, judge whether described LCD normally enters sleep state, if not, then determine LCD driving chip 311 because of after electrostatic causes soft failure, then host-initiated initialization LCD program, this initialization LCD program is run LCD driving chip 311 successfully and can again be come into force, and enters normal operating conditions; Main frame judges that LCD normally enters sleep state, can not start initialization LCD program.
Further as shown in Figure 5, an embodiment of the main frame 32 of the embodiment of the present invention can comprise receiver module 321 first judge module 322 and initialization process module 323, wherein:
Receiver module 321, receiver module, for the look-at-me that receiving liquid crystal display screen LCD sends, described look-at-me sends when described LCD detects the screen blank screen of described LCD.
First judge module 322, for judging whether described LCD enters normal sleep pattern;
Initialization process module 323, for when the judged result of described first judge module is no, determines that the screen blank screen of described LCD is caused by electrostatic, and carries out initialization process to described LCD.
In specific implementation, the screen blank screen of LCD may have two kinds of reasons, one, the blank screen that LCD enters normal sleep pattern and causes, its two, lost efficacy and the LCD blank screen that causes because electrostatic causes LCD to drive.
In specific implementation, when needs LCD enters normal park mode, main frame can arrange time or the instruction of dormancy, then just can enter normal sleep pattern when the time or instruction LCD that reach setting.In specific implementation, main frame only determining that look-at-me, when causing LCD blank screen due to electrostatic, just carries out initialization process to LCD, when the look-at-me of LCD be normally carry out sleep pattern by LCD and cause time, main frame does not need to carry out initialization process to LCD.Therefore, the first judge module 322 is by judging that the LCD sleep pattern setting data of preserving in main frame judges whether LCD enters normal sleep pattern.Such as, judge whether it is the time point entering sleep pattern reaching main frame setting, or, be the instruction that main frame have sent that LCD enters sleep pattern.If judged result is no, then determines that the screen blank screen of described LCD is caused by electrostatic, and by initialization process module 323, initialization process is carried out to described LCD
In specific implementation, main frame may be there is (such as, initialization failure is caused due to the fault of crystal oscillator chip to the situation that LCD carries out initialization process failure, or, because time delay causes initialization failure not), then now, main frame of the present invention also can comprise in embodiments:
Second judge module (not shown), for judging whether described initialization process module has successfully carried out initialization process to described LCD, if the judgment is No, then described initialization process module repeats to carry out initialization process to described LCD;
Statistical module (not shown), the number of times of initialization process is repeated to carry out described LCD for adding up described initialization process module, when counting described initialization process module, the multiplicity of initialization process is carried out more than 3 times to described LCD, then notify that described initialization process module stops carrying out initialization process to described LCD.
As from the foregoing, in the embodiment of the present invention when main frame receives the look-at-me of LCDs LCD transmission, described look-at-me sends when described LCD detects the screen blank screen of described LCD; Judge whether described LCD enters normal sleep pattern, if the judgment is Yes, then initialization process is not carried out to described LCD, if the judgment is No, then determine that the screen blank screen of described LCD is caused by electrostatic, then described main frame carries out initialization process to described LCD.Thus, the embodiment of the present invention is judged by the blank screen of look-at-me and main frame, just can realize the recovery of electrostatic blank screen, can greatly save system resource and improve treatment effeciency
The sequence of steps of the method for the embodiment of the present invention can adjust according to actual needs.The module of the device of the embodiment of the present invention can carry out integrating and Further Division according to actual needs.The device of the embodiment of the present invention can be mobile phone, computer, portable set etc.
The module of the embodiment of the present invention or unit, with universal integrated circuit (as central processor CPU), or can realize with special IC (ASIC).One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is that the hardware that can carry out instruction relevant by program has come, this program can be stored in a computer-readable recording medium, storage medium can comprise: flash disk, ROM (read-only memory) (Read-OnlyMemory, ROM), random access device (RandomAccessMemory, RAM), disk or CD etc.
The system provided the embodiment of the present invention above and relevant device are described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (14)
1. a LCDs LCD electrostatic blank screen restoration methods, is characterized in that, comprising:
The look-at-me that main frame receiving liquid crystal display screen LCD sends, described look-at-me sends when described LCD detects the screen blank screen of described LCD;
Described main frame judges whether described LCD enters normal sleep pattern, if the judgment is Yes, then initialization process is not carried out to described LCD, if the judgment is No, then determine that the screen blank screen of described LCD causes LCD to drive inefficacy to cause by electrostatic, then described main frame carries out initialization process to described LCD;
Described main frame is by judging that the LCD sleep pattern setting data of preserving in main frame judges whether LCD enters normal sleep pattern.
2. method according to claim 1, is characterized in that, when described main frame carries out initialization process failure to described LCD, described main frame repeats to carry out initialization process to described LCD.
3. method according to claim 2, is characterized in that, when described main frame repeats to carry out the multiplicity of initialization process more than 3 times to described LCD, described main frame stops carrying out initialization process to described LCD.
4. the method according to any one of claim 1-3, is characterized in that, the described look-at-me low level signal that to be voltage be " 0 ".
5. a LCDs LCD electrostatic blank screen restoration methods, is characterized in that, comprising:
When LCDs LCD detects the screen blank screen of described LCD, send look-at-me to main frame;
Judge to make described main frame whether described LCD enters normal sleep pattern, if the judgment is Yes, then initialization is not carried out to described LCD, if the judgment is No, then determine that the screen blank screen of described LCD causes LCD to drive inefficacy to cause by electrostatic, then described main frame carries out initialization process to described LCD;
Described main frame is by judging that the LCD sleep pattern setting data of preserving in main frame judges whether LCD enters normal sleep pattern.
6. LCDs LCD electrostatic blank screen restoration methods as claimed in claim 5, is characterized in that, described when LCDs LCD detects the screen blank screen of described LCD, sends look-at-me comprise to main frame:
When LCDs LCD detects the voltage of the LCD backlight of described LCD for " 0 ", determine the screen blank screen described LCDs LCD being detected, then sending voltage to main frame is that the low level signal of " 0 " is as look-at-me.
7. a main frame, is characterized in that, comprising:
Receiver module, for the look-at-me that receiving liquid crystal display screen LCD sends, described look-at-me sends when described LCD detects the screen blank screen of described LCD;
First judge module, for judging whether described LCD enters normal sleep pattern, the first judge module is by judging that the LCD sleep pattern setting data of preserving in main frame judges whether LCD enters normal sleep pattern;
Initialization process module, for when the judged result of described first judge module is no, determines that the screen blank screen of described LCD causes LCD to drive inefficacy to cause by electrostatic, and carries out initialization process to described LCD.
8. main frame as claimed in claim 7, is characterized in that, also comprise:
Second judge module, for judging whether described initialization process module has successfully carried out initialization process to described LCD, if the judgment is No, then indicates described initialization process module to repeat to carry out initialization process to described LCD.
9. main frame as claimed in claim 8, is characterized in that, also comprise:
Statistical module, the number of times of initialization process is repeated to carry out described LCD for adding up described initialization process module, when counting described initialization process module, the multiplicity of initialization process is carried out more than 3 times to described LCD, then notify that described initialization process module stops carrying out initialization process to described LCD.
10. as claimed in any one of claims 7-9 main frame, is characterized in that, the described look-at-me low level signal that to be voltage be " 0 ".
11. 1 kinds of LCDs LCD, comprising: screen, LCD backlight, LCD driving chip, LCD backlight driving chip, is characterized in that, also comprise:
Interrupt circuit, for detecting the screen whether blank screen of described LCDs LCD, and when the screen blank screen of described LCDs LCD being detected, look-at-me is sent to main frame, judge to make described main frame whether described LCD enters normal sleep pattern, if the judgment is Yes, then initialization is not carried out to described LCD, if the judgment is No, then determine that described LCD blank screen causes LCD to drive inefficacy to cause by electrostatic, then described main frame carries out initialization process to described LCD, described main frame is by judging that the LCD sleep pattern setting data of preserving in main frame judges whether LCD enters normal sleep pattern.
12. LCDs LCD as claimed in claim 11, it is characterized in that, described interrupt circuit comprises the backlight bleeder circuit be made up of the resistance of two series connection, the points of common connection place of described two resistance connects for exporting described look-at-me to the look-at-me output pin of described main frame and filter capacitor, described backlight bleeder circuit one end is connected with the LCD backlight of described LCD, other end ground connection, when the level of described look-at-me output pin is " 0 ", determine that the level of described LCD backlight is for " 0 ", then described interrupt circuit determines the screen blank screen described LCDs LCD being detected, then sending voltage to main frame is that the low level signal of " 0 " is as look-at-me.
13. LCDs LCD as described in claim 11 or 12, it is characterized in that, described interrupt circuit is arranged on the LCD backlight position of described LCDs LCD, or described interrupt circuit is arranged in the motherboard at backlight driving chip place of described LCDs LCD.
14. 1 kinds of LCDs LCD system, is characterized in that, comprising: the main frame according to any one of claim 7 ?10 and the LCDs according to any one of claim 11 ?13.
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| CN103685732B (en) * | 2013-11-15 | 2017-01-04 | Tcl显示科技（惠州）有限公司 | display device and electrostatic protection method thereof |
| CN106060615B (en) * | 2016-05-23 | 2020-05-22 | Tcl海外电子（惠州）有限公司 | Judgment method and device for realizing screen parameter automatic matching by using optical sensor |
| CN108364605A (en) * | 2017-01-26 | 2018-08-03 | 上海和辉光电有限公司 | The automatic system and mobile terminal for restoring OLED display panel dispaly state |
| CN109285524B (en) * | 2018-11-30 | 2022-01-25 | 广东美的制冷设备有限公司 | Liquid crystal display, display method thereof, terminal and computer readable storage medium |
| CN109901745B (en) * | 2019-02-19 | 2022-03-11 | Oppo广东移动通信有限公司 | Screen control method and related product |
| CN110164392A (en) * | 2019-04-28 | 2019-08-23 | 珠海黑石电气自动化科技有限公司 | A kind of antistatic LCD drive method, circuit, device and storage medium |
| 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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| CN101751876A (en) * | 2008-12-12 | 2010-06-23 | 康佳集团股份有限公司 | Software solution to LCD (liquid crystal display) display problem caused by ESD (electro-static discharge) |
| CN101788929A (en) * | 2009-01-23 | 2010-07-28 | 沈阳晨讯希姆通科技有限公司 | Baseband chip monitoring device and working method thereof |
| CN101504830A (en) * | 2009-03-20 | 2009-08-12 | 四川长虹电器股份有限公司 | Liquid crystal screen and method for eliminating black screen of liquid crystal screen |
| CN102279722A (en) * | 2010-06-12 | 2011-12-14 | 联想移动通信科技有限公司 | Method for controlling display module of terminal and terminal |
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