CN108389555A - Driving circuit and display device - Google Patents

Driving circuit and display device Download PDF

Info

Publication number
CN108389555A
CN108389555A CN201810118119.7A CN201810118119A CN108389555A CN 108389555 A CN108389555 A CN 108389555A CN 201810118119 A CN201810118119 A CN 201810118119A CN 108389555 A CN108389555 A CN 108389555A
Authority
CN
China
Prior art keywords
transistor
group
grid
drive element
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810118119.7A
Other languages
Chinese (zh)
Other versions
CN108389555B (en
Inventor
卢佳惠
田申
田坤
张新城
蔡浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
InfoVision Optoelectronics Kunshan Co Ltd
Original Assignee
InfoVision Optoelectronics Kunshan Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by InfoVision Optoelectronics Kunshan Co Ltd filed Critical InfoVision Optoelectronics Kunshan Co Ltd
Priority to CN201810118119.7A priority Critical patent/CN108389555B/en
Publication of CN108389555A publication Critical patent/CN108389555A/en
Application granted granted Critical
Publication of CN108389555B publication Critical patent/CN108389555B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

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

Abstract

This application discloses a kind of driving circuit, driving circuit includes:First group of drive element of the grid and second group of drive element of the grid;Sequential control circuit, for generating clock signal and control signal;Level shift circuit, the voltage range for adjusting clock signal with controlling signal, which is characterized in that level shift circuit is connected with sequential control circuit further includes with signal, driving circuit is controlled with the clock signal for receiving sequential control circuit generation:Switching circuit, switching circuit is connected with level shift circuit to receive the clock signal after adjusting voltage range and control signal, switching circuit is connected with first group of gate driving circuit and second group of gate driving circuit respectively, switching circuit is used to alternately provide clock signal to first group of drive element of the grid and second group of drive element of the grid according to control signal so that first group of drive element of the grid or second group of drive element of the grid generate gate drive signal according to clock signal.

Description

Driving circuit and display device
Technical field
The present invention relates to display technology fields, more particularly, to a kind of driving circuit and display device.
Background technology
Liquid crystal display device generally comprises liquid crystal display panel and backlight module, and display panel includes the array being oppositely arranged Substrate and colored filter substrate are provided with the pel array for including multiple pixel units, each picture in array substrate therein Plain unit is limited and is formed by grid line and data line intersection.A thin film transistor (TFT) is set in each pixel unit, is located at same The grid of thin film transistor (TFT) in capable pixel unit is connected by same grid line with gate driving circuit, gate driving electricity Road selects each row pixel unit in pel array by a plurality of grid line line by line;Film in the pixel unit of same row The source electrode of transistor or drain electrode are connected by same data line with source electrode drive circuit, and source electrode drive circuit passes through a plurality of data Line applies gray scale voltage to each row pixel unit, to make display panel that image be presented.In the prior art, display device passes through Horizontal-interlace technique makes the odd-numbered line of grid line staggeredly be charged with even number line to achieve the purpose that realize saving panel power consumption.
Fig. 1 shows interlacing scan circuit diagram in the prior art.As shown in Figure 1, the circuit includes sequence circuit 10, delays Rush circuit 20, the first level shift circuit 31, second electrical level shift circuit 32, first grid driving circuit 41 and second grid Driving circuit 42.Sequence circuit 10 for generating control signal, clock signal and enabling signal respectively, and by these three signals Two-way is divided to be input in buffer circuits 20, buffer circuit 20 controls signal, clock signal and startup letter for temporarily storing Number, the first level shift circuit 31 expands three kinds of signals for receiving first via control signal, clock signal and enabling signal Voltage range, and is generated respectively according to control signal, clock signal and enabling signal control signal L, clock signal L with And enabling signal L;Second electrical level shift circuit 32 expands for receiving the second tunnel control signal, clock signal and enabling signal The voltage range of three kinds of signals, and is generated respectively according to control signal, clock signal and enabling signal control signal R, Clock signal R and enabling signal R;First grid driving circuit 41 and second grid driving circuit 42 receive control signal respectively L, clock signal L, enabling signal L and control signal R, clock signal R and enabling signal R and corresponding gate driving letter is generated Number, gate drive signal is alternately exported to reach the conducting and shutdown of control parity rows grid line.Due to additionally increasing buffering Circuit 20 and level shift circuit occupy printed circuit plate suqare, while also increasing design cost.
Invention content
In view of this, the present invention for the above problem in the presence of the prior art provide a kind of liquid crystal display panel and Liquid crystal display device.
According to an aspect of the present invention, a kind of driving circuit is provided, including:First group of drive element of the grid and second group Drive element of the grid;Sequential control circuit, for generating clock signal and control signal;Level shift circuit, for adjusting State the voltage range of clock signal and the control signal, which is characterized in that the level shift circuit and the timing control Circuit is connected further includes with signal, the driving circuit is controlled to receive the clock signal that the sequential control circuit generates:It cuts Change circuit, the switching circuit be connected with the level shift circuit with receive the clock signal after adjusting voltage range with The control signal, the switching circuit respectively with first group of gate driving circuit and second group of gate driving circuit It is connected, the switching circuit is used for according to the control signal alternately to first group of drive element of the grid and described second Group drive element of the grid provides the clock signal so that first group of drive element of the grid or second group of gate driving Unit generates gate drive signal according to the clock signal.
Preferably, the control signal includes alternately effective first control signal and second control signal, when described the When one control signal is effective, the clock signal is provided to first group of drive element of the grid by the switching circuit, works as institute State second control signal it is effective when, the clock signal is provided to second group of drive element of the grid by the switching circuit.
Preferably, the switching circuit includes:First handover module, first handover module and first group of grid Driving unit is connected, and when the first control signal is effective, the first handover module conducting is to put forward the clock signal It is supplied to first group of drive element of the grid;Second handover module, second handover module and second group of gate driving Unit is connected, and when the second control signal is effective, the second handover module conducting is the clock signal to be provided to Second group of drive element of the grid.
Preferably, first handover module includes multiple the first transistors and first resistor, the multiple first crystal The control terminal of pipe is connected with the first end of the first resistor, the second end of the first resistor and the level shift circuit phase Even, the control terminal of the multiple the first transistor receives the first control signal by the first resistor, and the multiple the First path terminal of one transistor is connected with the level shift circuit, the first path terminal difference of the multiple the first transistor Receive the corresponding clock signal, the alternate path end of the multiple the first transistor and first group of drive element of the grid It is connected, to provide the clock signal to first group of drive element of the grid.
Preferably, first handover module further includes second transistor and third transistor, second, third described crystal The control terminal of pipe is connected with the first end of the first resistor, and the control terminal of second, third transistor passes through described first Resistance receives the first control signal, the first path terminal of the second transistor and the third transistor respectively with it is described Level shift circuit is connected, and the first path terminal of the second transistor and the third transistor receives first control respectively The alternate path end of signal processed and the second control signal, the second transistor and the third transistor and described first Group drive element of the grid is connected, to provide the first control signal and second control to first group of drive element of the grid Signal processed.
Preferably, second handover module includes multiple 4th transistors and second resistance, the multiple 4th crystal The control terminal of pipe is connected with the first end of the second resistance, the second end of the second resistance and the level shift circuit phase Even, the control terminal of the multiple 4th transistor receives the second control signal by the second resistance, and the multiple the First path terminal of four transistors is connected with the level shift circuit respectively, the first path terminal of the multiple 4th transistor Receive the corresponding clock signal, the alternate path end of the multiple 4th transistor and second group of drive element of the grid It is connected, to provide the clock signal to second group of drive element of the grid.
Preferably, second handover module further includes the 5th transistor and the 6th transistor, the five, the 6th crystal The control terminal of pipe is connected with the first end of the second resistance, and the control terminal of the five, the 6th transistor passes through described second Resistance receives the second control signal, the first path terminal of the 5th transistor and the 6th transistor respectively with it is described Level shift circuit is connected, and the first path terminal of the 5th transistor and the 6th transistor receives first control respectively Signal processed and the second control signal, the alternate path end and described second of the 5th transistor and the 6th transistor Group drive element of the grid is connected, to provide the first control signal and second control to second group of drive element of the grid Signal processed.
Preferably, first group of drive element of the grid forms bilateral with second group of drive element of the grid and integrates grid Driving structure.
Preferably, the transistor in the switching circuit is N-channel thin film transistor (TFT).
According to another aspect of the present invention, a kind of display device is provided, including:Display panel, the display panel packet Include be set to its non-display area such as above-mentioned driving circuit.
The embodiment of the present invention is directly inputted with clock signal to electricity by the control signal for generating sequential control circuit Translational shifting circuit, by level shift circuit adjust control signal and clock signal voltage range, and will control signal and when Clock signal alternately is input in first group of drive element of the grid and second group of drive element of the grid, to reduce buffer circuit with Level shift circuit, achieved the purpose that save printed circuit board area, and then reached reduce design, production cost mesh 's.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below simple be situated between will be made to the attached drawing of embodiment It continues, it should be apparent that, the attached drawing in description below only relates to some embodiments of the present invention rather than limitation of the present invention.
Fig. 1 shows interlacing scan circuit diagram in the prior art.
Fig. 2 shows the structural schematic diagrams of the display device of the embodiment of the present invention.
Fig. 3 shows the partial circuit schematic diagram in the display panel of the embodiment of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention Attached drawing, clear, complete description is carried out to the technical solution of the embodiment of the present invention.Obvious described embodiment is the present invention A part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill people The every other embodiment that member is obtained under the premise of without creative work, shall fall within the protection scope of the present invention.
Fig. 2 shows the structural schematic diagrams of the display device of the embodiment of the present invention.
As shown in Fig. 2, the display device of the embodiment of the present invention includes:Display panel with for display panel provide backlight And the backlight module (not shown) that is oppositely arranged with display panel.Display panel includes:Driving circuit with for receive it is multiple To carry out the display area (pel array) 1600 that picture is shown, driving circuit includes gate drive signal:Sequential control circuit 1100, source electrode drive circuit 1200, level shift circuit 1300, switching circuit 1400 and gate driving circuit, wherein grid Driving circuit includes first group of drive element of the grid 1510 and second group of drive element of the grid 1520, display area 1600 include: Multiple pixel units 1610, a plurality of grid line 1620 and multiple data lines 1630, each pixel unit 1610 include a crystalline substance Body pipe 1611 and a pixel electrode 1612.
Multiple pixel units 1610 are arranged in array, the grid of the transistor 1611 in each pixel unit 1610 with it is corresponding Grid line 1620 be connected, source electrode and corresponding data line 1630 are connected, and drain electrode and the pixel in respective pixel unit 1610 are electric Pole 1612 is connected.First group of drive element of the grid 1510 and second group of drive element of the grid 1520 are respectively connected to corresponding grid Line 1620, source electrode drive circuit 1200 are connected to multiple data lines 1630, and sequential control circuit 1100 is electric with source drive respectively Road 1200, level shift circuit 1300 be connected, switching circuit 1400 respectively with 1300, first groups of gate drivings of level shift circuit Unit 1510 and second group of drive element of the grid 1520 are connected.
Sequential control circuit 1100 is used to provide clock signal, to level shift circuit 1300 to source electrode drive circuit 1200 Clock signal and control signal are provided, clock signal includes multiple clock signals and multiple enabling signal (Start Vertical, STV), wherein enabling signal can be the open signal of a frame, and control signal includes alternately effective first control Signal processed and second control signal.Source electrode drive circuit 1200 in pixel unit 1610 transistor 1611 be connected when Apply gray scale voltage corresponding with display data on corresponding pixel electrode 1612.Level shift circuit 1300 is controlled for adjusting The voltage range of signal processed and clock signal.Switching circuit 1400 is used for according to control signal alternately to first group of gate driving Unit 1510 and second group of drive element of the grid 1520 provide clock signal so that first group of drive element of the grid 1510 or the second Group drive element of the grid 1520 provides corresponding gate drive signal according to clock signal to corresponding grid line 1620, wherein Gate drive signal is for scanning grid line, and first control signal and second control signal are alternately effectively so that the group of grid drives Moving cell 1510 and the group of two drive element of the grid 1520 work alternatively, to realize interlacing scan, for example, first group of gate driving Unit 1510 and second group of drive element of the grid 1520 are respectively used to by every grid line of odd number and the sequential scan of even number line 1620 so that the transistor 1611 of corresponding line is connected.In the present embodiment, group of drive element of the grid 1510 and group of two grid The opposite left and right sides that pole driving unit 1520 is located at display panel display area 1600 forms the integrated grid drive of bilateral Dynamic structure.Apply example some other, gate driving circuit can with sequential control circuit 1100, source electrode drive circuit 1200 with And level shift circuit 1300 etc. is integrated on same circuit board.In some preferred embodiments, switching circuit 1400 can be put It sets in display panel in unappropriated space (such as near detection unit cell test of some display panels), with Avoid increasing the volume of display panel.
Fig. 3 shows the partial circuit schematic diagram in the display panel of the embodiment of the present invention.It should be noted that in this implementation The transistor that refers to is N-type TFT in example, and control terminal is the grid of thin film transistor (TFT), and the first of each transistor Path terminal and alternate path end can be interchanged (i.e. drain electrode and source electrode can be interchanged).But the present invention be practiced without limitation to this.
As shown in figure 3, sequential control circuit 1100 provides two path control signal, four road clocks to level shift circuit 1300 Signal and two-way enabling signal, wherein two path control signal includes:First control signal V1, second control signal V2, four tunnels Clock signal includes:First clock signal clk 1, second clock signal CLK2, third clock signal clk 3, the 4th clock signal CLK4, two-way enabling signal include:First enabling signal STV1, the second enabling signal STV2.Level shift circuit 1300 receives First control signal V1, second control signal V2, the first clock signal clk 1, second clock signal CLK2, third clock signal CLK3, the 4th clock signal clk 4, the first enabling signal STV1 and the second enabling signal STV2 are used for the electricity of above-mentioned signal Pressure range is adjusted, including the voltage range for expanding signal, to reach the demand of gate driving circuit.
Switching circuit 1400 includes the first handover module 1410 and the second handover module 1420, wherein the first handover module 1410 include:Resistance R1 and transistor T1, T3, T5, T7, T9, T11, T13, T15.The first end of resistance R1 receives the first control The grid of signal V1 processed, transistor T1, T3, T5, T7, T9, T11, T13, T15 are connected with the second end of resistance R1 to receive first Signal V1 is controlled, the source electrode of transistor T1 is connected with level shift circuit 1300 to receive first control signal V1, transistor T3 Source electrode be connected with level shift circuit 1300 to receive second control signal V2, source electrode and the electricity of transistor T5, T7, T9, T11 Translational shifting circuit 1300 is connected to receive the first clock signal clk 1, second clock signal CLK2, third clock signal respectively The source electrode of CLK3, the 4th clock signal clk 4, transistor T13, T15 is connected with level shift circuit 1300 to receive first respectively Enabling signal STV1 and the second enabling signal STV2, the drain electrode of transistor T1 are connected with first group of drive element of the grid 1510 to carry For first control signal V1, the drain electrode of transistor T3 is connected with first group of drive element of the grid 1510 to provide second control signal V2, the drain electrode of transistor T5, T7, T9, T11 are connected with first group of drive element of the grid 1510 to provide the first clock signal respectively CLK1, second clock signal CLK2, third clock signal clk 3, the 4th clock signal clk 4, the drain electrode of transistor T13, T15 with First group of drive element of the grid 1510 is connected to provide the first enabling signal STV1 and the second enabling signal STV2 respectively, and first cuts Mold changing block 1410 is used to that clock signal to be provided to first grid driving unit in conducting, and if only if first control signal V1 When effective, the conducting of the first handover module 1410.Second handover module 1420 includes:Resistance R2 and transistor T2, T4, T6, T8, T10、T12、T14、T16.The first end of resistance R2 receives first control signal V1, transistor T2, T4, T6, T8, T10, T12, The grid of T14, T16 are connected with the second end of resistance R2 to receive second control signal V2, and source electrode and the level of transistor T2 move Position circuit 1300 is connected to receive first control signal V1, and being connected with level shift circuit 1300 for transistor T4 is received with source electrode The source electrode of second control signal V2, transistor T6, T8, T10, T12 are connected with level shift circuit 1300 to receive first respectively Clock signal clk 1, second clock signal CLK2, third clock signal clk 3, the 4th clock signal clk 4, transistor T14, T16 Source electrode be connected with level shift circuit 1300 to receive the first enabling signal STV1 and the second enabling signal STV2, crystal respectively The drain electrode of pipe T2 is connected with second group of drive element of the grid 1520 to provide first control signal V1, the drain electrode of transistor T4 and the Two groups of drive element of the grid 1520 are connected to provide second control signal V2, the drain electrode of transistor T6, T8, T10, T12 and second Group drive element of the grid 1520 is connected to be believed with providing the first clock signal clk 1, second clock signal CLK2, third clock respectively Number CLK3, the 4th clock signal clk 4, the drain electrode of transistor T14, T16 are connected with second group of drive element of the grid 1520 to distinguish The first enabling signal STV1 and the second enabling signal STV2 are provided, the second handover module 1420 is used for clock signal in conducting It is provided to second grid driving unit, when second control signal V2 is effective, the conducting of the second handover module, for example, the One handover module 1410 is with the second handover module 1420 by being controlled respectively according to first control signal V1 and second control signal V2 The corresponding first group of drive element of the grid 1510 in 1600 left and right ends of display area processed and second group of drive element of the grid 1520. First group of drive element of the grid 1510 is according to first control signal V1, second control signal V2, the first clock signal clk 1, second Clock signal clk 2, third clock signal clk 3, the 4th clock signal clk 4, the first enabling signal STV1 and second start letter Number STV2 exports gate drive signal, and second group of drive element of the grid 1520 is according to first control signal V1, second control signal V2, the first clock signal clk 1, second clock signal CLK2, third clock signal clk 3, the 4th clock signal clk 4, first are opened Dynamic signal STV1 and the second enabling signal STV2 export gate drive signal, wherein when first control signal V1 is effective, the One group of drive element of the grid 1510 exports odd-numbered line gate drive signal, and when second control signal V2 is effective, second group of grid drives Moving cell 1520 exports even number line gate drive signal, effective by making first control signal V1 and second control signal V2 replace Method, it is ensured that first group of drive element of the grid 1510 and second group of drive element of the grid 1520 have always is in high resistant on one side State, to reach 1600 interleaved purpose of display panel.
In the switching circuit 1400 of the embodiment of the present invention, high level signal is useful signal, can also utilize inverse Useful signal is defined as low level signal, transistor T5, T7, T9, T11,13,15 can be named as the first transistor, transistor T1 can be named as second transistor transistor, and transistor T3 can be named as third transistor, and transistor T6, T8, T10, T12 can be ordered Entitled 4th transistor, transistor T2 can be named as the 5th transistor, and transistor T4 can be named as the 6th transistor, brilliant The number of body pipe can be configured as needed, and the embodiment of the present invention is only illustrated with 16 transistors, however this hair The parameter setting of bright embodiment is without being limited thereto, and those skilled in the art can carry out related setting according to actual needs.
The display device of the embodiment of the present invention is liquid crystal display device, and display panel is liquid crystal display panel, however this hair Bright embodiment is without being limited thereto, and those skilled in the art can as needed carry out other kinds of display panel and display device Correlation setting.Meanwhile the driving circuit in the embodiment of the present invention is set to the non-display area of liquid crystal display panel.
After the embodiment of the present invention by switching circuit by being placed in level shift circuit, sequence circuit and level are simplified Circuit structure between shift circuit.
The embodiment of the present invention with switching circuit by, instead of the signal branch between sequence circuit and buffer circuit, being made Control signal directly controls the break-make of transistor in switching circuit to control to odd-numbered line grid line or the progress of even number line grid line Scanning, keeps interleaved process easier.
The embodiment of the present invention is directly inputted with clock signal to electricity by the control signal for generating sequential control circuit Translational shifting circuit, by level shift circuit adjust control signal and clock signal voltage range, and will control signal and when Clock signal alternately is input in first group of drive element of the grid and second group of drive element of the grid, to reduce buffer circuit with Level shift circuit, achieved the purpose that save printed circuit board area, and then reached reduce design, production cost mesh 's.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.
As described above according to the embodiment of the present invention, there is no all details of detailed descriptionthe for these embodiments, also not Limit the specific embodiment that the invention is only described.Obviously, as described above, can make many modifications and variations.This explanation These embodiments are chosen and specifically described to book, is in order to preferably explain the principle of the present invention and practical application, belonging to making Technical field technical staff can utilize modification of the invention and on the basis of the present invention to use well.

Claims (10)

1. a kind of driving circuit, the driving circuit include:First group of drive element of the grid and second group of drive element of the grid;When Sequence control circuit, for generating clock signal and control signal;Level shift circuit, for adjust the clock signal with it is described Control the voltage range of signal, which is characterized in that the level shift circuit is connected with the sequential control circuit to receive The clock signal and control signal of sequential control circuit generation are stated,
The driving circuit further includes:
Switching circuit, the switching circuit are connected with the level shift circuit to receive the clock after adjusting voltage range Signal and the control signal,
The switching circuit is connected with first group of gate driving circuit and second group of gate driving circuit respectively,
The switching circuit is used for according to the control signal alternately to first group of drive element of the grid and described second Group drive element of the grid provides the clock signal so that first group of drive element of the grid or second group of gate driving Unit generates gate drive signal according to the clock signal.
2. driving circuit according to claim 1, which is characterized in that the control signal includes alternately effective first control Signal processed and second control signal,
When the first control signal is effective, the clock signal is provided to first group of grid and driven by the switching circuit Moving cell,
When the second control signal is effective, the clock signal is provided to second group of grid and driven by the switching circuit Moving cell.
3. driving circuit according to claim 2, which is characterized in that the switching circuit includes:
First handover module, first handover module are connected with first group of drive element of the grid, when first control When signal is effective, the first handover module conducting by the clock signal to be provided to first group of drive element of the grid;
Second handover module, second handover module are connected with second group of drive element of the grid, when second control When signal is effective, the second handover module conducting by the clock signal to be provided to second group of drive element of the grid.
4. driving circuit according to claim 3, which is characterized in that first handover module includes multiple first crystals Pipe and first resistor, the control terminal of the multiple the first transistor are connected with the first end of the first resistor, first electricity The second end of resistance is connected with the level shift circuit, and the control terminal of the multiple the first transistor is connect by the first resistor The first control signal is received, the first path terminal of the multiple the first transistor is connected with the level shift circuit, described First path terminal of multiple the first transistors receives the corresponding clock signal respectively, and the second of the multiple the first transistor Path terminal is connected with first group of drive element of the grid, is believed with providing the clock to first group of drive element of the grid Number.
5. driving circuit according to claim 4, which is characterized in that first handover module further includes second transistor And third transistor, the control terminal of second, third transistor are connected with the first end of the first resistor, described second, The control terminal of third transistor receives the first control signal by the first resistor, the second transistor and described the First path terminal of three transistors is connected with the level shift circuit respectively, the second transistor and the third transistor The first path terminal receive the first control signal and the second control signal, the second transistor and described respectively The alternate path end of three transistors is connected with first group of drive element of the grid, to be carried to first group of drive element of the grid For the first control signal and the second control signal.
6. driving circuit according to claim 3, which is characterized in that second handover module includes multiple 4th crystal Pipe and second resistance, the control terminal of the multiple 4th transistor are connected with the first end of the second resistance, second electricity The second end of resistance is connected with the level shift circuit, and the control terminal of the multiple 4th transistor is connect by the second resistance The second control signal is received, the first path terminal of the multiple 4th transistor is connected with the level shift circuit respectively, The corresponding clock signal of the first path terminal reception of the multiple 4th transistor, the second of the multiple 4th transistor Path terminal is connected with second group of drive element of the grid, is believed with providing the clock to second group of drive element of the grid Number.
7. driving circuit according to claim 6, which is characterized in that second handover module further includes the 5th transistor It is connected with the first end of the second resistance with the control terminal of the 6th transistor, the five, the 6th transistor, the described 5th, The control terminal of 6th transistor receives the second control signal by the second resistance, the 5th transistor and described the First path terminal of six transistors is connected with the level shift circuit respectively, the 5th transistor and the 6th transistor The first path terminal receive the first control signal and the second control signal, the 5th transistor and described respectively The alternate path end of six transistors is connected with second group of drive element of the grid, to be carried to second group of drive element of the grid For the first control signal and the second control signal.
8. according to claim 1-7 any one of them driving circuits, which is characterized in that first group of drive element of the grid with Second group of drive element of the grid forms bilateral and integrates gate drive configuration.
9. according to claim 4-7 any one of them driving circuits, which is characterized in that the transistor in the switching circuit is N-channel thin film transistor (TFT).
10. a kind of display device, which is characterized in that including:
Display panel, the display panel include the driving circuit as described in claim 1-9 for being set to its non-display area.
CN201810118119.7A 2018-02-06 2018-02-06 Drive circuit and display device Active CN108389555B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810118119.7A CN108389555B (en) 2018-02-06 2018-02-06 Drive circuit and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810118119.7A CN108389555B (en) 2018-02-06 2018-02-06 Drive circuit and display device

Publications (2)

Publication Number Publication Date
CN108389555A true CN108389555A (en) 2018-08-10
CN108389555B CN108389555B (en) 2020-09-04

Family

ID=63075197

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810118119.7A Active CN108389555B (en) 2018-02-06 2018-02-06 Drive circuit and display device

Country Status (1)

Country Link
CN (1) CN108389555B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110060648A (en) * 2019-05-17 2019-07-26 深圳市华星光电半导体显示技术有限公司 Liquid crystal display and drive integrated circult
CN110136667A (en) * 2019-05-06 2019-08-16 晶晨半导体(上海)股份有限公司 A kind of driving circuit
CN110619857A (en) * 2019-08-27 2019-12-27 昆山龙腾光电股份有限公司 Driving circuit and display device
CN113066421A (en) * 2021-03-31 2021-07-02 上海天马有机发光显示技术有限公司 Display panel and display device
CN113299722A (en) * 2021-05-31 2021-08-24 福州京东方显示技术有限公司 Display panel
WO2022199189A1 (en) * 2021-03-22 2022-09-29 重庆惠科金渝光电科技有限公司 Gate drive module, method for generating gate control signal, and display apparatus

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6229531B1 (en) * 1996-09-03 2001-05-08 Semiconductor Energy Laboratory, Co., Ltd Active matrix display device
US20130278325A1 (en) * 2009-09-16 2013-10-24 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and electronic appliance
TWI467401B (en) * 2009-04-30 2015-01-01 Mstar Semiconductor Inc Change point finding method and apparatus
CN106847215A (en) * 2017-03-02 2017-06-13 昆山龙腾光电有限公司 Display device
CN106896547A (en) * 2017-04-01 2017-06-27 武汉华星光电技术有限公司 The drive circuit and liquid crystal display of a kind of liquid crystal display panel
CN206441186U (en) * 2016-11-11 2017-08-25 深圳信炜科技有限公司 Capacitance type sensor, capacitance-type sensing device and electronic equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6229531B1 (en) * 1996-09-03 2001-05-08 Semiconductor Energy Laboratory, Co., Ltd Active matrix display device
TWI467401B (en) * 2009-04-30 2015-01-01 Mstar Semiconductor Inc Change point finding method and apparatus
US20130278325A1 (en) * 2009-09-16 2013-10-24 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and electronic appliance
CN206441186U (en) * 2016-11-11 2017-08-25 深圳信炜科技有限公司 Capacitance type sensor, capacitance-type sensing device and electronic equipment
CN106847215A (en) * 2017-03-02 2017-06-13 昆山龙腾光电有限公司 Display device
CN106896547A (en) * 2017-04-01 2017-06-27 武汉华星光电技术有限公司 The drive circuit and liquid crystal display of a kind of liquid crystal display panel

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110136667A (en) * 2019-05-06 2019-08-16 晶晨半导体(上海)股份有限公司 A kind of driving circuit
CN110136667B (en) * 2019-05-06 2021-06-04 晶晨半导体(上海)股份有限公司 Driving circuit
CN110060648A (en) * 2019-05-17 2019-07-26 深圳市华星光电半导体显示技术有限公司 Liquid crystal display and drive integrated circult
WO2020232759A1 (en) * 2019-05-17 2020-11-26 深圳市华星光电半导体显示技术有限公司 Liquid crystal display and driving integrated circuit
CN110619857A (en) * 2019-08-27 2019-12-27 昆山龙腾光电股份有限公司 Driving circuit and display device
CN110619857B (en) * 2019-08-27 2021-10-29 昆山龙腾光电股份有限公司 Driving circuit and display device
WO2022199189A1 (en) * 2021-03-22 2022-09-29 重庆惠科金渝光电科技有限公司 Gate drive module, method for generating gate control signal, and display apparatus
CN113066421A (en) * 2021-03-31 2021-07-02 上海天马有机发光显示技术有限公司 Display panel and display device
CN113299722A (en) * 2021-05-31 2021-08-24 福州京东方显示技术有限公司 Display panel

Also Published As

Publication number Publication date
CN108389555B (en) 2020-09-04

Similar Documents

Publication Publication Date Title
CN108389555A (en) Driving circuit and display device
CN207781163U (en) Liquid crystal display device
CN100389452C (en) Shift register circuit and method of improving stability and grid line driving circuit
CN106057147B (en) Shift register cell and its driving method, gate driving circuit, display device
CN106887216B (en) The driving method of gate driving circuit, display panel and gate driving circuit
CN100426063C (en) Liquid crystal display device and method of driving the same
CN102982777B (en) The gate driver circuit of display device
CN104050935B (en) Shift register, bi-directional shift apparatus for temporary storage and apply its display panels
CN100533533C (en) Level conversion circuit, display device and cellular terminal apparatus
CN103280201B (en) Gate drive apparatus and display device
WO2015096385A1 (en) Gate drive circuit, display apparatus and drive method
US20030132907A1 (en) Apparatus and method for driving liquid crystal display
CN109272921A (en) A kind of gate driving circuit and its driving method, display panel, display device
CN109192154B (en) Gate drive circuit and display device
CN103035216B (en) Display device
US20040189681A1 (en) Display device and method of driving same
CN107633834A (en) Shifting deposit unit, its driving method, gate driving circuit and display device
CN103325350A (en) Gate driving unit and liquid crystal display device having the same
JP2003323162A (en) Display and driving method of the same, and portable terminal device
JP2001108965A (en) Liquid crystal display device
US20080316156A1 (en) Display device
CN110415659B (en) Display device
CN105047161A (en) Pixel unit driving device and method, and display apparatus
CN106875918B (en) Pulse generation unit, array substrate, display device, driving circuit and method
CN113035111B (en) Gate drive circuit, drive device and display device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information
CB02 Change of applicant information

Address after: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou

Applicant after: Kunshan Longteng Au Optronics Co

Address before: 215301, 1, Longteng Road, Kunshan, Jiangsu, Suzhou

Applicant before: Kunshan Longteng Optronics Co., Ltd.

GR01 Patent grant
GR01 Patent grant