CN104485078A - Gate drive circuit, display panel and display device - Google Patents
Gate drive circuit, display panel and display device Download PDFInfo
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- CN104485078A CN104485078A CN201410850569.7A CN201410850569A CN104485078A CN 104485078 A CN104485078 A CN 104485078A CN 201410850569 A CN201410850569 A CN 201410850569A CN 104485078 A CN104485078 A CN 104485078A
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Abstract
The invention provides a gate drive circuit, a display panel and a display device. A gate drive signal corresponding to each level switching circuit module is provided for the level switching circuit module through an additionally-arranged voltage regulation network module, so that the TFT property difference caused by technological fluctuation is avoided, and the dark bright line generation phenomenon caused by the display panel is avoided. The gate drive circuit comprises a voltage generation circuit module, the voltage regulation network module and at least two level switching circuit modules. The voltage regulation network module is specifically used for receiving the gate drive signals generated by the voltage generation circuit module and regulating the voltages of the received gate drive signals according to preset codes to obtain the gate drive signal corresponding to each level switching circuit module, wherein the codes are set according to each level switching circuit module. The gate drive signal corresponding to each level switching circuit module is sent to the level switching circuit module.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of gate driver circuit, display panel and display device.
Background technology
Traditional display panels comprises time schedule controller chip T-CON, source driving chip Source IC and grid drive chip Gate IC.T-CON chip provides start signal STV, clock signal C PV or output enable signal OE for grid drive chip, for generating the voltage opened or close thin film transistor (TFT), simultaneously, for source driving chip provides data-signal DATA, clock signal clk, load signal LOAD or polar signal POL, in order to generate the charging signals be carried on thin film transistor (TFT) (Thin FilmTransistor, TFT).The driving framework of this liquid crystal panel as described in Figure 1.
But it is more and more narrow that the non-display area along with display panel designs, the driving framework of traditional display panels can not satisfy the demands.Due to GIP (Gate In Panel, face inner grid) the gate driver circuit Source Driver of liquid crystal panel is integrated on array base palte by technology, generate high pressure GIP signal (High Voltage GIP Signal, HV GIP Signal), and this high pressure GIP signal is sent to GIP circuit GIP Circuit, there is GIP circuit evolving gate drive signal again, thus to display panels turntable driving, therefore the Driving technique of traditional display panels is compared, not only joint eliminates welding (bonding) region and fan-out (fan-out) wiring space of gate driver circuit, and achieve the design of narrow frame.The driving framework of the liquid crystal panel of application GIP technology as described in Figure 2.
Time schedule controller T-CON chip, source driving chip and grid drive chip in conventional display panels is all integrated in gate driver circuit by GIP display panel, and the circuit structure of the gate driver circuit under this single chip solution as shown in Figure 3.First by voltage generation circuit module 301 (Voltage GateHigh Voltage Gate Low Generate Circuit, VGH/VGL Generate Circuit) generate high-voltage signal (Voltage Gate High, or low-voltage signal (Voltage Gate Low VGH), VGL), and by VGH VGL supply the level shifting circuit module 302 (LevelShift Circuit) being distributed in single-chip two ends simultaneously, this level shifting circuit module will generate high pressure GIP signal.Wherein, described gate driver circuit also comprises time schedule controller chip T-CON 303.At present, bilateral 4phase or 8phase of the many employings of gate driver circuit of GIP technology, the even CLK Driving technique of 16phase.Because this GIP technology requirement to the manufacture craft of display panel is higher, namely the GIP circuit of display panel both sides need control all thin film transistor (TFT)s and opens at the same time.But utilize prior art to cut the technological fluctuation of small-medium size panel comparatively greatly, the output voltage of the thin film transistor (TFT) that the GIP circuit of display panel both sides is opened or closed is different, causes display panel to produce the display problem of horizontal bright concealed wire H-Line.
In sum, owing to utilizing the technological fluctuation of prior art larger, the output voltage of the thin film transistor (TFT) making the GIP circuit of display panel both sides open or close is different, cause the TFT opening time of the GIP unit of display panel both sides different, namely the display brightness of TFT is different, thus makes display panel produce laterally bright concealed wire.
Summary of the invention
Embodiments provide a kind of gate driver circuit, display panel and display device, in order to the voltage-regulation mixed-media network modules mixed-media by setting up, for the gate drive signal that each level shifting circuit module provides this level shifting circuit module corresponding, thus evade the TFT property difference caused by technological fluctuation, improve display panel and produce dark bright line phenomenon.
A kind of gate driver circuit that the embodiment of the present invention provides, comprises voltage generation circuit module and at least two level shifting circuit modules, also comprises: voltage-regulation mixed-media network modules mixed-media;
The input end of described voltage-regulation mixed-media network modules mixed-media is connected with the output terminal of described voltage generation circuit module, and each output terminal of described voltage-regulation mixed-media network modules mixed-media is connected with the input end of this output terminal level shifting circuit module one to one respectively;
Described voltage-regulation mixed-media network modules mixed-media, specifically for:
Receive the gate drive signal of described voltage generation circuit CMOS macro cell;
According to the code of the voltage for adjusting gate drive signal preset, adjust the voltage of the gate drive signal received, obtain the gate drive signal that level shifting circuit module described in each is corresponding respectively, wherein, described code is for for level shifting circuit module installation described in each;
Gate drive signal described in each corresponding to level shifting circuit module is sent to respectively this level shifting circuit module.
By the voltage-regulation mixed-media network modules mixed-media set up in this gate driver circuit, for the gate drive signal that each level shifting circuit module provides this level shifting circuit module corresponding, thus evade the TFT property difference caused by technological fluctuation, improve display panel and produce dark bright line phenomenon, even avoid display panel to produce dark bright line.
Preferably, the number of described level shifting circuit module is two, is respectively the first level shifting circuit module and second electrical level change-over circuit module; Described voltage-regulation mixed-media network modules mixed-media, comprising: the low voltage difference for reducing the voltage of voltage signal falls output circuit module and voltage regulator circuit module;
Wherein, the input end that described low voltage difference falls output circuit module is connected with the output terminal of described voltage generation circuit module; The output terminal that described low voltage difference falls output circuit module is connected with the first input end of described voltage regulator circuit module; First output terminal of described voltage regulator circuit module is connected with the input end of the first level shifting circuit module, and the second output terminal of described voltage regulator circuit module is connected with the input end of second electrical level change-over circuit module;
Described voltage regulator circuit module, specifically for:
Receive the gate drive signal that described low voltage difference falls the transmission of output circuit module;
According to the first code of the voltage for adjust gate drive signal corresponding for the first level shifting circuit module preset, adjust the voltage of the gate drive signal received, obtain first grid drive singal, wherein, described first code is for the first level shifting circuit module installation;
According to the second code of the voltage for adjust gate drive signal corresponding for second electrical level change-over circuit module preset, adjust the voltage of the gate drive signal received, obtain second grid drive singal, wherein, described second code is for second electrical level change-over circuit module installation;
Described first grid drive singal is sent to described first level shifting circuit module, described second grid drive singal is sent to described second electrical level change-over circuit module.
Preferably, the number of described level shifting circuit module is two, is respectively the first level shifting circuit module and second electrical level change-over circuit module; Described voltage-regulation mixed-media network modules mixed-media, comprising: the first voltage regulator circuit module and the second voltage regulator circuit module;
Wherein, the input end of the first voltage regulator circuit module and the input end of the second voltage regulator circuit module are connected with the output terminal of described voltage generation circuit module respectively;
The output terminal of the first voltage regulator circuit module is connected with the input end of the first level shifting circuit module, and the output terminal of the second voltage regulator circuit module is connected with the input end of second electrical level change-over circuit module;
Described first voltage regulator circuit module, specifically for:
Receive the gate drive signal of described voltage generation circuit CMOS macro cell;
According to the first code of the voltage for adjust gate drive signal corresponding for the first level shifting circuit module preset, adjust the voltage of the gate drive signal received, obtain first grid drive singal, wherein, described first code is for the first level shifting circuit module installation;
Described first grid drive singal is sent to the first level shifting circuit module;
Described second voltage regulator circuit module, specifically for:
Receive the gate drive signal of described voltage generation circuit CMOS macro cell;
According to the second code of the voltage for adjust gate drive signal corresponding for second electrical level change-over circuit module preset, adjust the voltage of the gate drive signal received, obtain second grid drive singal, wherein, described second code is for second electrical level change-over circuit module installation;
Described second grid drive singal is sent to second electrical level change-over circuit module.
Preferably, described voltage regulator circuit module comprises: for the different resistance of selection unit and at least two selecting the resistance of different resistance values.
A kind of display panel that the embodiment of the present invention provides, comprise above-mentioned gate driver circuit and at least two face inner grid circuit modules, wherein, the level shifting circuit module in the described gate driver circuit that described in each, the input end of face inner grid circuit module is corresponding with this face inner grid circuit module is connected.
By the gate driver circuit in this display panel, for the gate drive signal that each level shifting circuit module provides this level shifting circuit module corresponding, thus evade the TFT property difference caused by technological fluctuation, improve display panel and produce dark bright line phenomenon, even avoid display panel to produce dark bright line.
Preferably, the number of described level shifting circuit module is two, is respectively the first level shifting circuit module and second electrical level change-over circuit module; The number of described inner grid circuit module is two, is respectively first surface inner grid circuit module and second inner grid circuit module;
Wherein, the output terminal of described first level shifting circuit module is connected with the input end of described first surface inner grid circuit module, and the output terminal of described second electrical level change-over circuit module is connected with the input end of described second inner grid circuit module;
Described first surface inner grid circuit module, specifically for:
Receive the first grid drive singal that described first level shifting circuit module sends;
According to first grid drive singal, drive the thin film transistor (TFT) corresponding to first surface inner grid circuit module;
Described second inner grid circuit module, specifically for:
Receive the second grid drive singal that described second electrical level change-over circuit module sends;
According to second grid drive singal, drive the thin film transistor (TFT) corresponding to second inner grid circuit module.
A kind of display device that the embodiment of the present invention provides, comprises above-mentioned display panel.
By the display panel in this display device, for the gate drive signal that each level shifting circuit module provides this level shifting circuit module corresponding, thus evade the TFT property difference caused by technological fluctuation, improve display panel and produce dark bright line phenomenon, even avoid display panel to produce dark bright line.
Accompanying drawing explanation
Fig. 1 is the structural representation of the driving framework of existing traditional display panels;
Fig. 2 is the structural representation of the driving framework of existing GIP display panels;
Fig. 3 is the structural representation of the gate driver circuit under existing single chip solution in GIP;
Fig. 4 is the structural representation of a kind of gate driver circuit provided by the invention;
Fig. 5 is the schematic flow sheet of the method for the raster data model that the invention provides voltage-regulation mixed-media network modules mixed-media;
Fig. 6 a is the schematic diagram of the corresponding relation of default voltage difference, target current and code;
Fig. 6 b is the schematic diagram of the corresponding relation of default voltage difference, target current and resistance value;
The structural representation of the gate driver circuit that Fig. 7 provides for the embodiment of the present invention one;
The schematic flow sheet of the method for the raster data model of the voltage regulator circuit module that Fig. 8 provides for the embodiment of the present invention one;
The structural representation of the gate driver circuit that Fig. 9 provides for the embodiment of the present invention two;
The schematic flow sheet of the method for the raster data model of the first voltage regulator circuit module that Figure 10 provides for the embodiment of the present invention two.
Embodiment
The invention provides a kind of gate driver circuit, display panel and display device, in order to the voltage-regulation mixed-media network modules mixed-media by setting up, for the gate drive signal that each level shifting circuit module provides this level shifting circuit module corresponding, thus evade the TFT property difference caused by technological fluctuation, the display brightness achieving TFT is identical, improve display panel and produce dark bright line phenomenon, even avoid display panel to produce dark bright line phenomenon.
See Fig. 4, the invention provides a kind of gate driver circuit, comprise voltage generation circuit module 401, voltage-regulation mixed-media network modules mixed-media 402 and at least two level shifting circuit modules 403;
The input end of described voltage-regulation mixed-media network modules mixed-media 402 is connected with the output terminal of described voltage generation circuit module 401, and each output terminal of described voltage-regulation mixed-media network modules mixed-media 402 is connected with the input end of this output terminal level shifting circuit module 403 one to one respectively.
See Fig. 5, the invention provides the method for the raster data model of voltage-regulation mixed-media network modules mixed-media 402, the method comprises:
S501, receive the gate drive signal of described voltage generation circuit CMOS macro cell;
The code of the voltage for adjusting gate drive signal that S502, basis are preset, adjust the voltage of the gate drive signal received, obtain the gate drive signal that level shifting circuit module described in each is corresponding respectively, wherein, described code is for for level shifting circuit module installation described in each;
S503, the gate drive signal described in each corresponding to level shifting circuit module is sent to this level shifting circuit module respectively.
Embodiments provide a kind of display panel, comprise above-mentioned gate driver circuit and at least two face inner grid (hereinafter referred to as GIP) circuit modules, wherein, the level shifting circuit module in the described gate driver circuit that the input end of GIP circuit module described in each is corresponding with this GIP circuit module is connected.
By the gate driver circuit in this display panel, for the gate drive signal that each level shifting circuit module provides this level shifting circuit module corresponding, thus evade the TFT property difference caused by technological fluctuation, the display brightness achieving TFT is identical, improve display panel and produce dark bright line phenomenon, even avoid display panel to produce dark bright line phenomenon.
Particularly, the number of described level shifting circuit module is two, is respectively the first level shifting circuit module and second electrical level change-over circuit module; The number of described GIP circuit module is two, is respectively a GIP circuit module and the 2nd GIP circuit module;
Wherein, the output terminal of described first level shifting circuit module is connected with the input end of a described GIP circuit module, and the output terminal of described second electrical level change-over circuit module is connected with the input end of described 2nd GIP circuit module;
Described GIP circuit module, specifically for:
The gate drive signal that the described level shifting circuit module that reception is connected with this GIP circuit module sends;
Utilize the gate drive signal that receives, drive this thin film transistor (TFT) corresponding to GIP circuit module.
Particularly, the code preset is determine according to the voltage of gate drive signal of the voltage generation circuit CMOS macro cell in the numerical value of target current and gate driver circuit and the voltage difference of target voltage, that is, the mapping table of the voltage of the gate drive signal of the voltage generation circuit CMOS macro cell in the gate driver circuit shown in Fig. 6 a and Fig. 6 b and the voltage difference of target voltage, target current, adjusting resistance value and code.
Such as, when the voltage difference preset is 0.5 volt, monolateral target current is 0.2 MAH, can determine to send code " 00 " according to Fig. 6 a, the voltage that can realize the voltage signal voltage generation circuit module 401 in gate driver circuit provided by the invention generated reduces by 0.5 volt, and ensures by the electric current of this voltage-regulation mixed-media network modules mixed-media 402 to be 0.2 milliampere; When the voltage difference preset is 1.0 volts, monolateral target current is 1.0 MAHs, can determine to send code " 11 " according to Fig. 6 a, the voltage that can realize the voltage signal voltage generation circuit module 401 in gate driver circuit provided by the invention generated reduces by 1.0 volts, and ensures by the electric current of this voltage-regulation mixed-media network modules mixed-media 402 to be 1.0 milliamperes.
Again such as, when the voltage difference preset is 0.5 volt, monolateral target current is 0.2 MAH, can determine to send code " 00 " according to Fig. 6 b, internal resistance can be selected to be the corresponding chip of 2.5ohm; When the voltage difference preset is 1.0 volts, monolateral target current is 1.0 MAHs, can determine to send code " 11 " according to Fig. 6 b, internal resistance can be selected to be the corresponding chip of 1.0ohm.
Wherein, by the Voltage Cortrol of the gate drive signal of the voltage generation circuit CMOS macro cell in gate driver circuit to target voltage, mainly through following two kinds of modes:
One is manual adjustments, namely obtains VGH magnitude of voltage, therefore VGH magnitude of voltage and target voltage values known; Again by the monolateral current value of simulation, choose corresponding initial resistance, the output voltage of manual measure output end; Again according to measuring the VGHL/VGHR obtained, tuning up or turning resistance value down, thus obtaining target voltage.
It two is automatically regulate, and namely obtains VGH magnitude of voltage, therefore VGH magnitude of voltage and target voltage values known; Again by the monolateral current value of simulation, choose corresponding initial resistance, increase analog to digital conversion circuit (Analog to Digital Converter, ADC) in the inside of system processor, thus automatically can gather the magnitude of voltage of VGHL/VGHR.If lower than demand numerical value, then turn middle resistance down; If higher than demand numerical value, then tune up middle resistance, the adjustment of the resistance value of resistance issues code to realize by system processor.Due to the adjustment principle of VGL and the adjustment of VGH similar, just repeat no more herein.
The code for the voltage for regulating gate drive signal in this display panel corresponding to each GIP circuit is determined in the test that system processor issues, and is solidificated in voltage-regulation mixed-media network modules mixed-media by this code.
Particularly, described system processor is connected with display panel by system main interface, and wherein, described system main interface comprises: mobile Industry Processor Interface (Mobile Industry Processor Interface, MIPI).
Particularly, described system processor can be host processor chip.
A kind of display device provided by the invention, comprises above-mentioned display panel.Described display device can be: any product or parts with Presentation Function such as liquid crystal panel, Electronic Paper, Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) panel, mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.
For the concrete effect of voltage-regulation mixed-media network modules mixed-media better can be introduced, below in conjunction with drawings and Examples, the present invention is made an explanation.
See Fig. 7, the embodiment of the present invention one provides gate driver circuit, comprises voltage generation circuit module 401, level shifting circuit module and voltage-regulation mixed-media network modules mixed-media.Wherein, the number of level shifting circuit module is two, is respectively the first level shifting circuit module 703 and second electrical level change-over circuit module 704; Voltage-regulation mixed-media network modules mixed-media, comprising: the low voltage difference for reducing the voltage of voltage signal falls output (Low Drop Output, LDO) circuit module 701 and voltage regulator circuit module 702.
The input end of LDO circuit module 701 is connected with the output terminal of voltage generation circuit module 401, and the output terminal of LDO circuit module 701 is connected with the first input end of voltage regulator circuit module 702;
First output terminal of voltage regulator circuit module 702 is connected with the input end of the first level shifting circuit module 703, and the second output terminal of voltage regulator circuit module 702 is connected with the input end of second electrical level change-over circuit module 704.
Particularly, described voltage regulator circuit module 702, comprising: for the different resistance of selection unit and at least two selecting the resistance of different resistance values.
Particularly, described voltage regulator circuit module 702 can be the current control circuit for dividing potential drop.
The code preset is utilized by voltage regulator circuit module, adjust the gate drive signal received respectively, obtain the first grid drive singal for the first level shifting circuit module installation, and for the second grid drive singal of second electrical level change-over circuit module installation, and first grid drive singal is sent to the first level shifting circuit module, and second grid drive singal is sent to second electrical level change-over circuit module, be embodied as the gate drive signal that different level shifting circuit modules inputs different voltage respectively, for the gate drive signal that each level shifting circuit module provides this level shifting circuit module corresponding, thus evade the TFT property difference caused by technological fluctuation, the display brightness achieving TFT is identical, improve display panel and produce dark bright line phenomenon, display panel is even avoided to produce dark bright line phenomenon.
See Fig. 8, the method for the raster data model of the voltage regulator circuit module 702 that the embodiment of the present invention one provides, the method comprises the steps:
S801, receive described LDO circuit module send gate drive signal;
The first code of the voltage for adjust gate drive signal corresponding for the first level shifting circuit module that S802, basis are preset, adjust the voltage of the gate drive signal received, obtain first grid drive singal, wherein, described first code is for the first level shifting circuit module installation; According to the second code of the voltage for adjust gate drive signal corresponding for second electrical level change-over circuit module preset, adjust the voltage of the gate drive signal received, obtain second grid drive singal, wherein, described second code is for second electrical level change-over circuit module installation;
S803, described first grid drive singal is sent to described first level shifting circuit module, described second grid drive singal is sent to described second electrical level change-over circuit module.
See Fig. 9, the embodiment of the present invention two provides gate driver circuit, comprises voltage generation circuit module 401, level shifting circuit module and voltage-regulation mixed-media network modules mixed-media.Wherein, the number of level shifting circuit module is two, is respectively the first level shifting circuit module 703 and second electrical level change-over circuit module 704; Voltage-regulation mixed-media network modules mixed-media, comprising: the first voltage regulator circuit module 901 and the second voltage regulator circuit module 902.Wherein, the input end of the first voltage regulator circuit module 901 and the second voltage regulator circuit module 902 is connected with the output terminal of voltage generation circuit module 401 respectively;
The output terminal of the first voltage regulator circuit module 901 is connected with the input end of the first level shifting circuit module 703, and the output terminal of the second voltage regulator circuit module 902 is connected with the input end of second electrical level change-over circuit module 704.
Particularly, described first voltage regulator circuit module and described second voltage regulator circuit module, comprising: for the different resistance of selection unit and at least two selecting the resistance of different resistance values.
Particularly, described voltage regulator circuit module 702 can be the current control circuit for dividing potential drop.
Because the input end of the first voltage regulator circuit module is connected with the output terminal of voltage generation circuit module, the output terminal of the first voltage regulator circuit module is connected with the input end of the first level shifting circuit module, therefore, the first code of the first voltage regulator circuit module by presetting, the gate drive signal that regulation voltage generative circuit module sends, obtain first grid drive singal, first grid drive singal is sent to the first level shifting circuit module; Similar, the course of work of the second voltage regulator circuit module can refer to the first voltage regulator circuit module, just repeats no more herein.
By the course of work of the embodiment of the present invention two, the gate drive signal that each level shifting circuit module provides this level shifting circuit module corresponding can be embodied as, thus evade the TFT property difference caused by technological fluctuation, the display brightness achieving TFT is identical, improve display panel and produce dark bright line phenomenon, even avoid display panel to produce dark bright line phenomenon.
See Figure 10, the method for the raster data model of the first voltage regulator circuit module 901 that the embodiment of the present invention two provides, the method comprises the steps:
S1001, receive the gate drive signal of described voltage generation circuit CMOS macro cell;
The first code of the voltage for adjust gate drive signal corresponding for the first level shifting circuit module that S1002, basis are preset, adjust the voltage of the gate drive signal received, obtain first grid drive singal, wherein, described first code is for the first level shifting circuit module installation;
S1003, described first grid drive singal is sent to the first level shifting circuit module.
Similar, the method for the raster data model of the second voltage regulator circuit module 902, can refer to the method for the raster data model of the first voltage regulator circuit module, just repeats no more herein.
Particularly, display device described in the embodiment of the present invention can be liquid crystal display or plasma scope.
In sum, a kind of gate driver circuit provided by the invention, display panel and display device, in order to the voltage-regulation mixed-media network modules mixed-media by setting up, for the gate drive signal that each level shifting circuit module provides this level shifting circuit module corresponding, thus evade the TFT property difference caused by technological fluctuation, the display brightness achieving TFT is identical, improves display panel and produces dark bright line phenomenon, even avoids display panel to produce dark bright line phenomenon.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. a gate driver circuit, comprises voltage generation circuit module and at least two level shifting circuit modules, it is characterized in that, also comprise: voltage-regulation mixed-media network modules mixed-media;
The input end of described voltage-regulation mixed-media network modules mixed-media is connected with the output terminal of described voltage generation circuit module, and each output terminal of described voltage-regulation mixed-media network modules mixed-media is connected with the input end of this output terminal level shifting circuit module one to one respectively;
Described voltage-regulation mixed-media network modules mixed-media, specifically for:
Receive the gate drive signal of described voltage generation circuit CMOS macro cell;
According to the code of the voltage for adjusting gate drive signal preset, adjust the voltage of the gate drive signal received, obtain the gate drive signal that level shifting circuit module described in each is corresponding respectively, wherein, described code is for for level shifting circuit module installation described in each;
Gate drive signal described in each corresponding to level shifting circuit module is sent to respectively this level shifting circuit module.
2. gate driver circuit according to claim 1, is characterized in that, the number of described level shifting circuit module is two, is respectively the first level shifting circuit module and second electrical level change-over circuit module; Described voltage-regulation mixed-media network modules mixed-media, comprising: the low voltage difference for reducing the voltage of voltage signal falls output circuit module and voltage regulator circuit module;
Wherein, the input end that described low voltage difference falls output circuit module is connected with the output terminal of described voltage generation circuit module; The output terminal that described low voltage difference falls output circuit module is connected with the first input end of described voltage regulator circuit module; First output terminal of described voltage regulator circuit module is connected with the input end of the first level shifting circuit module, and the second output terminal of described voltage regulator circuit module is connected with the input end of second electrical level change-over circuit module;
Described voltage regulator circuit module, specifically for:
Receive the gate drive signal that described low voltage difference falls the transmission of output circuit module;
According to the first code of the voltage for adjust gate drive signal corresponding for the first level shifting circuit module preset, adjust the voltage of the gate drive signal received, obtain first grid drive singal, wherein, described first code is for the first level shifting circuit module installation;
According to the second code of the voltage for adjust gate drive signal corresponding for second electrical level change-over circuit module preset, adjust the voltage of the gate drive signal received, obtain second grid drive singal, wherein, described second code is for second electrical level change-over circuit module installation;
Described first grid drive singal is sent to described first level shifting circuit module, described second grid drive singal is sent to described second electrical level change-over circuit module.
3. gate driver circuit according to claim 1, is characterized in that, the number of described level shifting circuit module is two, is respectively the first level shifting circuit module and second electrical level change-over circuit module; Described voltage-regulation mixed-media network modules mixed-media, comprising: the first voltage regulator circuit module and the second voltage regulator circuit module;
Wherein, the input end of the first voltage regulator circuit module and the input end of the second voltage regulator circuit module are connected with the output terminal of described voltage generation circuit module respectively;
The output terminal of the first voltage regulator circuit module is connected with the input end of the first level shifting circuit module, and the output terminal of the second voltage regulator circuit module is connected with the input end of second electrical level change-over circuit module;
Described first voltage regulator circuit module, specifically for:
Receive the gate drive signal of described voltage generation circuit CMOS macro cell;
According to the first code of the voltage for adjust gate drive signal corresponding for the first level shifting circuit module preset, adjust the voltage of the gate drive signal received, obtain first grid drive singal, wherein, described first code is for the first level shifting circuit module installation;
Described first grid drive singal is sent to the first level shifting circuit module;
Described second voltage regulator circuit module, specifically for:
Receive the gate drive signal of described voltage generation circuit CMOS macro cell;
According to the second code of the voltage for adjust gate drive signal corresponding for second electrical level change-over circuit module preset, adjust the voltage of the gate drive signal received, obtain second grid drive singal, wherein, described second code is for second electrical level change-over circuit module installation;
Described second grid drive singal is sent to second electrical level change-over circuit module.
4. the gate driver circuit according to Claims 2 or 3, is characterized in that, described voltage regulator circuit module comprises: for the different resistance of selection unit and at least two selecting the resistance of different resistance values.
5. a display panel, it is characterized in that, comprise the gate driver circuit described in any one of claim 1-4 and at least two face inner grid circuit modules, wherein, the level shifting circuit module in the described gate driver circuit that described in each, the input end of face inner grid circuit module is corresponding with this face inner grid circuit module is connected.
6. display panel according to claim 5, is characterized in that, the number of described level shifting circuit module is two, is respectively the first level shifting circuit module and second electrical level change-over circuit module; The number of described inner grid circuit module is two, is respectively first surface inner grid circuit module and second inner grid circuit module;
Wherein, the output terminal of described first level shifting circuit module is connected with the input end of described first surface inner grid circuit module, and the output terminal of described second electrical level change-over circuit module is connected with the input end of described second inner grid circuit module;
Described first surface inner grid circuit module, specifically for:
Receive the first grid drive singal that described first level shifting circuit module sends;
According to first grid drive singal, drive the thin film transistor (TFT) corresponding to first surface inner grid circuit module;
Described second inner grid circuit module, specifically for:
Receive the second grid drive singal that described second electrical level change-over circuit module sends;
According to second grid drive singal, drive the thin film transistor (TFT) corresponding to second inner grid circuit module.
7. a display device, is characterized in that, comprises the display panel described in claim 5 or 6.
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| CN201410850569.7A CN104485078B (en) | 2014-12-30 | 2014-12-30 | Gate driver circuit, display floater and display device |
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| CN201410850569.7A CN104485078B (en) | 2014-12-30 | 2014-12-30 | Gate driver circuit, display floater and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110322853A (en) * | 2019-06-19 | 2019-10-11 | 电子科技大学 | A kind of intelligent display drive system neural network based |
| CN113345361A (en) * | 2021-05-20 | 2021-09-03 | 惠科股份有限公司 | Driving circuit, driving method and display device |
| CN114648943A (en) * | 2020-12-21 | 2022-06-21 | 京东方科技集团股份有限公司 | Level conversion circuit, display substrate and display panel |
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| CN110322853A (en) * | 2019-06-19 | 2019-10-11 | 电子科技大学 | A kind of intelligent display drive system neural network based |
| CN110322853B (en) * | 2019-06-19 | 2020-08-11 | 电子科技大学 | Intelligent display driving system based on neural network |
| CN114648943A (en) * | 2020-12-21 | 2022-06-21 | 京东方科技集团股份有限公司 | Level conversion circuit, display substrate and display panel |
| CN114648943B (en) * | 2020-12-21 | 2023-12-12 | 京东方科技集团股份有限公司 | Level conversion circuit, display substrate and display panel |
| CN113345361A (en) * | 2021-05-20 | 2021-09-03 | 惠科股份有限公司 | Driving circuit, driving method and display device |
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| CN104485078B (en) | 2016-09-07 |
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