CN108831404A - Display panel and its driving method and display device - Google Patents

Display panel and its driving method and display device Download PDF

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Publication number
CN108831404A
CN108831404A CN201811058529.3A CN201811058529A CN108831404A CN 108831404 A CN108831404 A CN 108831404A CN 201811058529 A CN201811058529 A CN 201811058529A CN 108831404 A CN108831404 A CN 108831404A
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China
Prior art keywords
voltage
module
buffer module
top rake
display panel
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CN201811058529.3A
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Chinese (zh)
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CN108831404B (en
Inventor
黄笑宇
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HKC Co Ltd
Chongqing HKC Optoelectronics Technology Co Ltd
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HKC Co Ltd
Chongqing HKC Optoelectronics Technology Co Ltd
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Priority to CN201811058529.3A priority Critical patent/CN108831404B/en
Publication of CN108831404A publication Critical patent/CN108831404A/en
Priority to PCT/CN2018/120611 priority patent/WO2020052127A1/en
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3674Details of drivers for scan electrodes
    • G09G3/3677Details of drivers for scan electrodes suitable for active matrices only
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22Control 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 using controlled light sources
    • G09G3/30Control 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 using controlled light sources using electroluminescent panels
    • G09G3/32Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208Control 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
    • G09G3/3266Details of drivers for scan electrodes

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

The application provides a kind of display panel and its driving method and display device;Wherein, display panel includes:Viewing area and non-display area;Control module includes cut-in voltage;Buffer module is set to the non-display area, and couples the control module;Drive module is set to the non-display area, and couples the buffer module;Block of pixels is set to the viewing area, and couples the drive module;Wherein, the cut-in voltage makes the cut-in voltage form top rake by the buffer module, and using the buffer function of the buffer module, and is conducted to the block of pixels by the drive module.The application can save the top rake circuit cost of display device by the buffer module of non-display area, reduce the area of printed circuit board, and eliminate the excessively high problem of printed circuit plate temperature as caused by top rake circuit.

Description

Display panel and its driving method and display device
Technical field
This application involves display field, in particular to a kind of display panel and its driving method and display device.
Background technique
(Thin Film Transistor Liquid Crystal Display, tft liquid crystal are aobvious by TFT-LCD Showing device), have the advantages that low cost, low-power consumption and high performance, is commonly employed in fields such as electronics, digital products, It is modern IT, display platform important in video product.The driving of pixel unit in TFT-LCD is then needed through gate driving electricity Road and source electrode drive circuit drive corresponding scan line and data line to be realized.With panel size, resolution and big visual angle The demand of image quality improves, and further increases user experience and save the cost, and each business men develops many related display necks The manufacturing technology in domain.
In a display device, the failing edge variation of gate turn-on voltage output is too fast, will affect inside display panel Reference voltage, effect and the variation of voltage in the unit time are positively correlated.Therefore circuit framework is set in display device Top rake can be carried out to the output of grid by the design at printed circuit board end in meter, i.e., drawn the 33V transformation period for dropping to -7V It is long, reference voltage is influenced with reducing, the grid output waveform after carrying out top rake.
Due to the influence of capacitance coupling effect, TFT (Thin Film Transistor, active switch) is on and off When, influence whether the stabilization of data (Data) signal voltage, and then influence picture quality, it is therefore desirable to open to the grid of TFT Voltage VGH carries out top rake processing, to reduce voltage when TFT is closed between gate turn-on voltage VGH and gate off voltage VGL Difference reduces the influence to voltage data signal.Achieve the purpose that top rake for example, by using the method for resistance eutral grounding electric discharge, but this The members of top rake structure are set on non-display area printed circuit board, and heat dissipation area is smaller, are easy so that printed circuit The temperature of plate rises, and top rake structure also needs to occupy part printed circuit board, is unfavorable for the integrated of display device.
Summary of the invention
In order to solve the above-mentioned technical problem, the purpose of the application is, provides a kind of display panel, including:Viewing area and Non-display area;Control module has cut-in voltage;Buffer module is set to the non-display area, and couples the control mould Block;Drive module is set to the non-display area, and couples the buffer module;Block of pixels is set to the viewing area, And couple the drive module;Wherein, the cut-in voltage is by the buffer module, and utilizes the buffering of the buffer module Effect makes the cut-in voltage form top rake, and is conducted to the block of pixels by the drive module.
It the purpose of the application and solves its technical problem and adopts the following technical solutions to realize.
In the embodiment of the application, the cut-in voltage is gate turn-on voltage, and the drive module is grid drive Dynamic model block.
In the embodiment of the application, the gate turn-on voltage is square-wave voltage.
In the embodiment of the application, the buffer module includes multiple pixel units of array setting, the multiple It is series connection between pixel unit.
In the embodiment of the application, using the hindrance function of the pixel unit, slow down the gate turn-on voltage Rising edge and failing edge, formed top rake.
In the embodiment of the application, the buffer module includes the multiple capacitors and multiple resistance of array setting, institute State the combination between multiple capacitors and the multiple resistance for serial or parallel connection or the two.
In the embodiment of the application, using the capacitor and the resistance, slow down the upper of the gate turn-on voltage Edge and failing edge are risen, top rake is formed.
In the embodiment of the application, the control module is connected to separate in the multiple pixel unit by conducting wire One end of grid electrode drive module.
In the embodiment of the application, the control module is connected in the multiple pixel unit by conducting wire End, under design requirement, can pixel unit between appropriate adjustment tie point and grid electrode drive module quantity.
In the embodiment of the application, the multiple pixel unit is the non-display pixel for being set to non-display area Unit.
It the purpose of the application and solves its technical problem also following technical measures can be used to further realize.
The another object of the application is a kind of driving method of display panel, including:By control module, electricity is opened in output Pressure;By buffer module, driving voltage is made to form top rake;By drive module, the driving voltage of top rake is made to be transmitted to picture Plain module;Wherein, the cut-in voltage makes the cut-in voltage using the buffer function of the buffer module for square-wave voltage Rising edge and failing edge slow down, formed top rake.
In the embodiment of the application, the cut-in voltage is gate turn-on voltage, and the driving voltage is grid drive Dynamic voltage, the drive module are grid electrode drive module.
In the embodiment of the application, the buffer module includes multiple pixel units of array setting, the multiple It is series connection between pixel unit.
In the embodiment of the application, the buffer module includes the multiple capacitors and multiple resistance of array setting, institute State the combination between multiple capacitors and the multiple resistance for serial or parallel connection or the two.
The further object of the application is a kind of display device, including:Display panel has viewing area and non-display area, institute Stating display panel includes:Control module has cut-in voltage;Buffer module is set to the non-display area, and couples the control Molding block;Drive module is set to the non-display area, and couples the buffer module;Block of pixels is set to the display Area, and couple the drive module;Wherein, the cut-in voltage is by the buffer module, and utilizes the buffer module Buffer function makes the cut-in voltage form top rake, and is conducted to the block of pixels by the drive module.
In the embodiment of the application, the cut-in voltage is gate turn-on voltage, and the drive module is grid drive Dynamic model block.
In the embodiment of the application, the gate turn-on voltage is square-wave voltage.
In the embodiment of the application, the buffer module includes multiple pixel units of array setting, the multiple It is series connection between pixel unit.
In the embodiment of the application, using the hindrance function of the pixel unit, slow down the gate turn-on voltage Rising edge and failing edge, formed top rake.
In the embodiment of the application, the buffer module includes the multiple capacitors and multiple resistance of array setting, institute State the combination between multiple capacitors and the multiple resistance for serial or parallel connection or the two.
In the embodiment of the application, using the capacitor and the resistance, slow down the upper of the gate turn-on voltage Edge and failing edge are risen, top rake is formed.
In the embodiment of the application, the control module is connected to separate in the multiple pixel unit by conducting wire One end of grid electrode drive module.
In the embodiment of the application, the control module is connected in the multiple pixel unit by conducting wire End, under design requirement, can pixel unit between appropriate adjustment tie point and grid electrode drive module quantity.
In the embodiment of the application, the multiple pixel unit is be set to non-display area non-display with pixel list Member.
The application can save the top rake circuit cost of display device by the buffer module of non-display area, reduce printing The area of circuit board, and eliminate the excessively high problem of printed circuit plate temperature as caused by top rake circuit.
Detailed description of the invention
Fig. 1 is exemplary display device;
Fig. 2 a is exemplary top rake circuit diagram;
Fig. 2 b is exemplary top rake waveform diagram;
Fig. 3 is the display device module map of one embodiment of the application;
Fig. 4 is the driving circuit waveform diagram of one embodiment of the application;
Fig. 5 is the display device structure figure of one embodiment of the application;
Fig. 6 is the driving method flow chart of one embodiment of the application.
Specific embodiment
The explanation of following embodiment is to can be used to the particular implementation of implementation to illustrate the application with reference to additional schema Example.The direction term that the application is previously mentioned, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outside", " side " Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the application, rather than to Limit the application.
Attached drawing and explanation are considered inherently illustrative, rather than restrictive.The similar list of structure in the figure Member is to be given the same reference numerals.In addition, in order to understand and be convenient for description, the size and thickness of each component shown in the accompanying drawings are It is arbitrarily shown, but the application is without being limited thereto.
In the accompanying drawings, for clarity, the thickness in layer, film, panel, region etc. is exaggerated.In the accompanying drawings, in order to understand With convenient for description, the thickness of some layer and region is exaggerated.It will be appreciated that ought such as layer, film, region or substrate component quilt Referred to as " " another component "upper" when, the component can be directly on another component, or there may also be middle groups Part.
In addition, in the description, unless explicitly described as opposite, otherwise word " comprising " will be understood as meaning to wrap The component is included, but is not excluded for any other component.In addition, in the description, " above " means to be located at target group Part either above or below, and be not intended to must be positioned on the top based on gravity direction.
Further to illustrate that the application is the technical means and efficacy reaching predetermined goal of the invention and being taken, below in conjunction with Attached drawing and specific embodiment, to a kind of display panel and its driving method and display device proposed according to the application, tool Body embodiment, structure, feature and its effect, detailed description is as follows.
Fig. 1 is exemplary display device, referring to FIG. 1, a kind of exemplary display device 100, including:Display panel 140, there is viewing area 141 and non-display area 142;System board (not shown), the system board by R/G/B compressed signal, It controls signal and power supply and passes through the connector 111 on wire rod and printed circuit board (Printed Circuit Board, PCB) 110 It is connected, data are passed through at sequence controller (Timing Controller, TCON) (not shown) on printed circuit board 110 After reason, then pass through source driving chip 120 (Source-Chip on Film, S-COF) and 130 (Gate- of grid drive chip Chip on Film, G-COF) it is connect with display panel 140, so that display panel 140 obtains required power supply, signal. In the operation of display device 100, the failing edge of gate turn-on voltage output changes too fast (for example can drop to -7V by 33V), Its reference voltage that will affect panel itself, and effect and the variable quantity of voltage in the unit time are positively correlated.
Fig. 2 a is exemplary top rake circuit diagram, and Fig. 2 b is exemplary top rake waveform diagram.It please also refer to Fig. 2 a and Fig. 2 b, a kind of exemplary top rake structure 101, including:Integrated control chip 102 (Integrated Circuit, ) and top rake resistance 103 IC.Described 103 one end of top rake resistance couples the integrated control chip 102, and the other end is grounded GND.It is logical It crosses the integrated control chip 102 and generates gate turn-on voltage VGH, pass through the top rake resistance in the gate turn-on voltage After 103, top rake △ V (it is as shown in Figure 2 b) is formed, it is too fast to alleviate gate turn-on voltage decline with this, and reduces voltage change Influence to reference voltage.But the members of this top rake structure are set to the non-display area of display panel, heat dissipation area It is larger, it is easy so that the temperature of display panel or display device rises.On the other hand, top rake structure also needs to occupy part printing electricity Road plate is unfavorable for the integrated of display device.
Fig. 3 is the display device module map of one embodiment of the application, referring to FIG. 3, in the embodiment of the application, one Kind display device 200, including:Display panel has viewing area and non-display area;There is control module 210 grid to open electricity Pressure;Buffer module 220 is set to the non-display area, and couples the control module 210;Grid electrode drive module 230, setting In the non-display area, and couple the buffer module 220;Block of pixels 240 is set to the viewing area, and described in coupling Grid electrode drive module 230;Wherein, the gate turn-on voltage is by the buffer module 220, and utilizes the buffer module Buffer function makes the gate turn-on voltage form top rake, and is conducted to the block of pixels by the grid electrode drive module.
In the embodiment of the application, the gate turn-on voltage is square-wave voltage.
In the embodiment of the application, the buffer module 220 includes multiple pixel units of array setting, described more Connection type between a pixel unit is series connection.
In the embodiment of the application, using the hindrance function of the pixel unit, slow down the gate turn-on voltage Rising edge and failing edge, formed top rake.
In the embodiment of the application, the buffer module 220 includes the multiple capacitors and multiple resistance of array setting, Connection type between the multiple capacitor and the multiple resistance is the combination of serial or parallel connection or the two.
In the embodiment of the application, using the capacitor and the resistance, slow down the upper of the gate turn-on voltage Edge and failing edge are risen, top rake is formed.
In the embodiment of the application, the control module is connected to separate in the multiple pixel unit by conducting wire One end of grid electrode drive module.
In the embodiment of the application, the control module is connected in the multiple pixel unit by conducting wire End, under design requirement, can pixel unit between appropriate adjustment tie point and grid electrode drive module quantity.
In the embodiment of the application, the multiple pixel unit is the non-display pixel for being set to non-display area Unit.
Fig. 4 is the driving circuit waveform diagram of one embodiment of the application.It please also refer to Fig. 3 and Fig. 4, grid initial voltage exists Under the action of the buffer module, it is adjusted to the gate turn-on voltage of top rake.The gate turn-on voltage is conducted to gate driving Module, since the output voltage of grid electrode drive module is to be based on the gate turn-on voltage, exported by grid electrode drive module Rising edge and failing edge to the output voltage of display panel are also reduced.The output voltage illustrated in Fig. 4 is the first output electricity Pressure, the second output voltage, third output voltage, but it is non-limited only with this there are three output voltage, this need according to designer Depending on asking.For similarly, the gate turn-on voltage waveform after the top rake of Fig. 4 is only to illustrate, and the shape of its waveform is not limited with this Shape and top rake degree, the quantity and Parameters variation of pixel unit or capacitor or resistance in waveform reference buffer module and adjusted It is dynamic.
Fig. 5 is the display device structure figure of one embodiment of the application.It please also refer to Fig. 3 to Fig. 5, one in the application is real It applies in example, a kind of display device 300, including:Display panel 140 has viewing area 141 and non-display area 142;Printed circuit board 110, it is connected with the display panel 140, the printed circuit board has a power supply chip 112;Multiple non-display pixels Unit 242 is set to the non-display area 142 of the display panel, and passes through conducting wire, the power supply of one end and printed circuit board 110 Chip 112 is connected, and the other end is connected with the grid drive chip 130 of display panel;The pixel unit of multiple displays 241, it is set to the viewing area 141 of the display panel, shows picture for rendering.Wherein, printed circuit board 110 and power supply core Piece 112 can be equivalent to control module, and multiple pixel units 242 can be equivalent to buffer module.The gate turn-on voltage passes through more A pixel unit 242, and using the buffer function of pixel unit 242, make the rising edge and failing edge of the gate turn-on voltage Slow down, forms top rake.Then, the pixel unit of multiple output voltages to viewing area is exported by the grid drive chip 130 241。
In the embodiment of the application, the power supply chip 112 is connected to the multiple non-display by conducting wire Far from one end of grid drive chip 130 in pixel unit 242.This can give full play to non-display pixel unit 242 Slow down effect.The power supply chip 112 can also be connected to the middle-end of the multiple non-display pixel unit 242, set Under meter demand, the quantity of the pixel unit 242 between appropriate adjustment tie point and grid drive chip 130.
In the embodiment of the application, the multiple pixel unit 242 is to be arranged in series, and gate turn-on voltage is passing through After those pixel units 242, the gate turn-on voltage after forming top rake is conducted to display and uses via grid drive chip 130 Pixel unit 241.
Fig. 6 is the driving method flow chart of one embodiment of the application.It please also refer to Fig. 3 to Fig. 6, a kind of display panel Driving method, step include:
S101:By control module, gate turn-on voltage is exported;
S102:By buffer module, the gate drive voltage is made to form top rake;
S103:By grid electrode drive module, the gate drive voltage of top rake is made to be transmitted to block of pixels;
S104:Using the buffer function of the buffer module, slow down the rising edge and failing edge of the gate turn-on voltage, Form the square-wave voltage of top rake.
In the embodiment of the application, the buffer module 220 includes multiple pixel units of array setting, described more Connection type between a pixel unit is series connection.
In the embodiment of the application, using the hindrance function of the pixel unit, slow down the gate turn-on voltage Rising edge and failing edge, formed top rake.
In the embodiment of the application, the buffer module 220 includes the multiple capacitors and multiple resistance of array setting, Connection type between the multiple capacitor and the multiple resistance is the combination of serial or parallel connection or the two.
In the embodiment of the application, using the capacitor and the resistance, slow down the upper of the gate turn-on voltage Edge and failing edge are risen, top rake is formed.
In some embodiments, by the buffer module, the pixel unit 242 of non-display area can be made full use of, no It needs to expend a large amount of design cost, the cost of top rake circuit on printed circuit board can also be saved, conducive to the collection of display device Cheng Hua.
In some embodiments, the display panel of the application may be, for example, liquid crystal display panel, so without being limited thereto, also may be used For OLED display panel, W-OLED display panel, QLED display panel, plasma display panel, curved face type display panel or Other types display panel.
The application by utilizing the buffer module of display panel non-display area, can save the top rake circuit of display device at This, reduces the area of printed circuit board, and eliminate the excessively high problem of printed circuit plate temperature as caused by top rake circuit, into one Step improves the stability of display device.
" in some embodiments " and " in various embodiments " terms are used repeatedly etc..The term is not usually Refer to identical embodiment;But it may also mean that identical embodiment.The words such as "comprising", " having " and " comprising " are synonymous Word, unless its context meaning shows other meanings.
The above is only embodiments herein, not makes any form of restriction to the application, although the application It is disclosed above with specific embodiment, however it is not limited to the application, any person skilled in the art, not It is detached within the scope of technical scheme, when the technology contents using the disclosure above make a little change or are modified to equivalent change The equivalent embodiment of change, but all contents without departing from technical scheme, the technical spirit according to the application is to the above reality Any simple modification, equivalent change and modification made by example are applied, in the range of still falling within technical scheme.

Claims (10)

1. a kind of display panel, which is characterized in that including:
Viewing area and non-display area;
Control module, including cut-in voltage;
Buffer module is set to the non-display area, and couples the control module;
Drive module is set to the non-display area, and couples the buffer module;
Block of pixels is set to the viewing area, and couples the drive module;
Wherein, the cut-in voltage makes the unlatching by the buffer module, and using the buffer function of the buffer module Voltage forms top rake, and is conducted to the block of pixels by the drive module.
2. display panel as described in claim 1, which is characterized in that the cut-in voltage is square-wave voltage.
3. display panel as described in claim 1, which is characterized in that the buffer module includes multiple pixels of array setting Unit is series connection between the multiple pixel unit.
4. display panel as claimed in claim 3, which is characterized in that using the hindrance function of the pixel unit, slow down institute The rising edge and failing edge of cut-in voltage are stated, top rake is formed.
5. display panel as described in claim 1, which is characterized in that the buffer module includes multiple capacitors of array setting It is the combination of serial or parallel connection or the two between the multiple capacitor and the multiple resistance with multiple resistance.
6. display panel as claimed in claim 5, which is characterized in that utilize the capacitor and the resistance, slow down described open The rising edge and failing edge of voltage are opened, top rake is formed.
7. a kind of driving method of display panel, which is characterized in that including:
By control module, cut-in voltage is exported;
By buffer module, the driving voltage is made to form top rake;
By drive module, the driving voltage of top rake is made to be transmitted to block of pixels;
Wherein, the cut-in voltage slows down the cut-in voltage using the buffer function of the buffer module for square-wave voltage Rising edge and failing edge form top rake.
8. the driving method of display panel as claimed in claim 7, which is characterized in that the buffer module includes array setting Multiple pixel units, be series connection between the multiple pixel unit.
9. the driving method of display panel as claimed in claim 7, which is characterized in that the buffer module includes array setting Multiple capacitors and multiple resistance, be the knot of serial or parallel connection or the two between the multiple capacitor and the multiple resistance It closes.
10. a kind of display device, which is characterized in that including:
Viewing area and non-display area;
Control module, including cut-in voltage;
Buffer module is set to the non-display area, and couples the control module;
Drive module is set to the non-display area, and couples the buffer module;
Block of pixels is set to the viewing area, and couples the drive module;
Wherein, the cut-in voltage makes the unlatching by the buffer module, and using the buffer function of the buffer module Voltage forms top rake, and is conducted to the block of pixels by the drive module;
Wherein, the buffer module includes multiple pixel units of array setting, is series connection, benefit between the multiple pixel unit With the hindrance function of the pixel unit, slow down the rising edge and failing edge of the cut-in voltage, forms top rake;
Wherein, the buffer module includes the multiple capacitors and multiple resistance of array setting, the multiple capacitor and the multiple Combination between resistance for serial or parallel connection or the two slows down the cut-in voltage using the capacitor and the resistance Rising edge and failing edge form top rake.
CN201811058529.3A 2018-09-11 2018-09-11 Display panel, driving method thereof and display device Active CN108831404B (en)

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PCT/CN2018/120611 WO2020052127A1 (en) 2018-09-11 2018-12-12 Display panel and drive method therefor, and display device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020052127A1 (en) * 2018-09-11 2020-03-19 惠科股份有限公司 Display panel and drive method therefor, and display device
CN111933088A (en) * 2020-08-19 2020-11-13 惠科股份有限公司 Power generation circuit and display device thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6359607B1 (en) * 1998-03-27 2002-03-19 Sharp Kabushiki Kaisha Display device and display method
CN1645465A (en) * 2005-01-31 2005-07-27 广辉电子股份有限公司 Grid driving method and circuit of liquid crystal displaying device
CN101937640A (en) * 2010-08-30 2011-01-05 友达光电股份有限公司 Grid pulse wave modulation circuit and modulation method thereof
CN102708822A (en) * 2012-03-16 2012-10-03 友达光电股份有限公司 Display device and scanning signal generating method thereof
CN102956215A (en) * 2012-11-23 2013-03-06 深圳市华星光电技术有限公司 Driving method of liquid crystal panel and driving circuit thereof
CN106023935A (en) * 2016-07-27 2016-10-12 深圳市华星光电技术有限公司 Liquid crystal display device and driving method thereof
CN106847153A (en) * 2017-01-22 2017-06-13 惠科股份有限公司 A kind of driving method of scanning circuit, display device and scanning circuit
CN107221301A (en) * 2017-07-27 2017-09-29 深圳市华星光电技术有限公司 A kind of drive circuit and the display device with the circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI336461B (en) * 2007-03-15 2011-01-21 Au Optronics Corp Liquid crystal display and pulse adjustment circuit thereof
CN101739971A (en) * 2008-11-24 2010-06-16 奇美电子股份有限公司 Method for modulating waveform of gate driving signal and architecture thereof
CN101593496B (en) * 2009-06-26 2013-08-14 友达光电股份有限公司 Grid output control method
CN103413534B (en) * 2013-07-31 2015-11-25 南京中电熊猫液晶显示科技有限公司 The driving method of liquid crystal display and signal thereof
CN108831404B (en) * 2018-09-11 2020-08-11 惠科股份有限公司 Display panel, driving method thereof and display device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6359607B1 (en) * 1998-03-27 2002-03-19 Sharp Kabushiki Kaisha Display device and display method
CN1645465A (en) * 2005-01-31 2005-07-27 广辉电子股份有限公司 Grid driving method and circuit of liquid crystal displaying device
CN101937640A (en) * 2010-08-30 2011-01-05 友达光电股份有限公司 Grid pulse wave modulation circuit and modulation method thereof
CN102708822A (en) * 2012-03-16 2012-10-03 友达光电股份有限公司 Display device and scanning signal generating method thereof
CN102956215A (en) * 2012-11-23 2013-03-06 深圳市华星光电技术有限公司 Driving method of liquid crystal panel and driving circuit thereof
CN106023935A (en) * 2016-07-27 2016-10-12 深圳市华星光电技术有限公司 Liquid crystal display device and driving method thereof
CN106847153A (en) * 2017-01-22 2017-06-13 惠科股份有限公司 A kind of driving method of scanning circuit, display device and scanning circuit
CN107221301A (en) * 2017-07-27 2017-09-29 深圳市华星光电技术有限公司 A kind of drive circuit and the display device with the circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020052127A1 (en) * 2018-09-11 2020-03-19 惠科股份有限公司 Display panel and drive method therefor, and display device
CN111933088A (en) * 2020-08-19 2020-11-13 惠科股份有限公司 Power generation circuit and display device thereof

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