CN102760410A - Scanning driving device and driving signal generating method thereof - Google Patents
Scanning driving device and driving signal generating method thereof Download PDFInfo
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Abstract
A scan driving apparatus and a driving signal generating method thereof. The scanning driving device comprises a plurality of stages of scanning driving units, wherein each scanning driving unit further comprises a shift register and a control circuit. The shift register is used for receiving a first input signal, a clock signal and an inverted signal of the clock signal and generating a scanning signal and a first control signal according to the inverted signal. The control circuit is used for receiving the second input signal, the clock signal, the inverted signal of the clock signal and the first control signal and generating the second control signal according to the second input signal, the clock signal and the inverted signal of the clock signal.
Description
[technical field]
The invention relates to the technical field of organic light emitting diode display, and particularly relevant for a kind of scanning driving device and driving signal generating method thereof of organic light emitting diode display.
[background technology]
The pixel circuit framework of tradition organic light emitting diode display has residual charge because of the dielectric layer of its driving transistors; Cause organic light emitting diode display when the conversion picture, to have the problem of ghost (Image Retention); The limit voltage compensating circuit is reset the picture element drive transistor gate voltage because of meeting; Can improve ghost phenomena, but can't solve fully.
[summary of the invention]
The present invention provides a kind of scanning driving device, in order to improve the problem of picture ghost.
The present invention provides a kind of driving signal generating method of scanning driving device in addition.
The present invention proposes a kind of scanning driving device, and it includes the multilevel scanning driver element, and wherein each scan drive cell more includes shift registor and control circuit.Shift registor is in order to receiving the inversion signal of first input signal, clock signal and clock signal, and produces the sweep signal and first control signal according to this.Inversion signal and first control signal of control circuit system in order to receive second input signal, clock signal, clock signal, and the inversion signal of foundation second input signal, clock signal and clock signal produces second control signal.
The present invention proposes a kind of driving signal generating method of scanning driving device in addition, and this driving signal generating method comprises: the multilevel scanning driver element is provided, and every grade of scan drive cell comprises shift registor and control circuit; Inversion signal to each shift registor and each control circuit of clock signal and clock signal are provided; First input signal of each shift registor is provided, and makes each shift registor produce the sweep signal and first control signal according to the inversion signal and the first received input signal of clock signal, clock signal; And second input signal that each control circuit is provided, and make each control circuit produce second control signal according to the inversion signal of clock signal, clock signal and the second received input signal.
For let above-mentioned and other purposes of the present invention, feature and advantage can be more obviously understandable, hereinafter is special lifts preferred embodiment, and cooperates appended graphicly, elaborates as follows.
[description of drawings]
Shown in Figure 1 is a kind of pixel circuit of picture element wherein.
Fig. 2 (A) is the pixel circuit of another kind of picture element.
Fig. 2 (B) is depicted as the pixel circuit of another picture element.
Fig. 3 is the synoptic diagram according to the scanning driving device of one embodiment of the invention.
Fig. 4 system illustrates wherein a kind of sequential of the part signal of scanning driving device shown in Figure 3.
Fig. 5 is the process flow diagram according to the driving signal generating method of one embodiment of the invention.
[main element symbol description]
10,20,30: picture element
102: driving transistors
104,204: switching transistor
106: storage capacitors
108,206: Organic Light Emitting Diode
202: compensating circuit
300: scanning driving device
310,320: scan drive cell
312,322: shift registor
314,324: control circuit
314-1,324-1: transmission gate
314-2,324-2: Sheffer stroke gate
314-3,324-3: first phase inverter
314-4,324-4: second phase inverter
IN: input signal receiving end
CKA, CKB: clock receiving end
SOUT: sweep signal output terminal
EMOUT: control signal output ends
401 ~ 409: pulse
CK: clock signal
EM: control signal
EM [1], EM [2]: first control signal
EMOUT [1], EMOUT [2]: second control signal
E [1], E [2]: the inversion signal of second control signal
EMOUT [1] ', EMOUT [2] ': the inversion signal of the inversion signal of second control signal
OVDD: supply voltage
OVSS: reference voltage
SCAN, SCAN [1], SCAN [2]: sweep signal
VDATA: data voltage
VST1: the first initial sweep signal
VST2: the second initial sweep signal
XCK: the inversion signal of clock signal
S502 ~ S508: step
[embodiment]
Shown in Figure 1 is a kind of pixel circuit of picture element wherein.As shown in Figure 1, the pixel circuit of picture element 10 includes driving transistors 102, switching transistor 104, storage capacitors 106 and Organic Light Emitting Diode 108.First end of driving transistors 102 is electrically connected to supply voltage OVDD, and second end of driving transistors 102 then electrically connects reference voltage OVSS through Organic Light Emitting Diode 108.Storage capacitors 106 electrically connects the gate terminal of driving transistors 102 and first end of driving transistors 102.The gate terminal of switching transistor 104 is in order to receive sweep signal SCAN, and first end of switching transistor 104 is in order to receive data voltage VDATA, and second end of switching transistor 104 is electrically connected to the gate terminal of driving transistors 102.
Fig. 2 (A) is depicted as the pixel circuit of another kind of picture element.Shown in Fig. 2 (A), the pixel circuit of picture element 20 includes compensating circuit 202, switching transistor 204 and Organic Light Emitting Diode 206.The inside of compensating circuit 202 also includes at least one electronic component (not illustrating) of the critical voltage (threshold voltage) in order to compensation for drive transistor 102 except the driving transistors 102, switching transistor 104 and the storage capacitors 106 that include above-mentioned picture element 10.First end system of switching transistor 204 is electrically connected to supply voltage OVDD through compensating circuit 202, and second end of switching transistor 204 then electrically connects reference voltage OVSS through Organic Light Emitting Diode 206, and gate terminal system is in order to receive control signal EM.
Whether control signal EM system allows electric current to pass through the driving transistors 102 in the compensating circuit 202 in order to the shut-in time of CS transistor 204 with decision.When switching transistor 204 cut out (turned off), the driving transistors 102 in the compensating circuit 202 does not just have electric current to be passed through.By this, just can the residual charge of the dielectric layer of driving transistors 102 be discharged, and then improve the ghost problem of picture.
Fig. 2 (B) is depicted as the pixel circuit of another picture element.In Fig. 2 (B), indicate with Fig. 2 (A) in the identical person of sign be expressed as identical object or signal.The difference of the picture element 20 shown in the picture element 30 shown in Fig. 2 (B) and Fig. 2 (A) is that the compensating circuit 202 and the position of switching transistor 204 are exchange.
Fig. 3 is the synoptic diagram according to the scanning driving device of one embodiment of the invention.This scanning driving device system is in order to drive picture element shown in Figure 2 20 or picture element 30 (stating after detailed) shown in Figure 3.Please with reference to Fig. 3; This scanning driving device 300 includes multilevel scanning driver element (as indicating shown in 310 and 320), and each scan drive cell includes a shift registor (as indicating shown in 312 and 322) and a control circuit (as indicating shown in 314 and 324) again.Each shift registor all has an input signal receiving end IN, a clock receiving end CKA, a clock receiving end CKB, one scan signal output part SOUT and a control signal output ends EMOUT.Each shift registor is the inversion signal XCK that receives first input signal, clock signal C K and clock signal C K through its input signal receiving end IN, clock receiving end CKA and clock receiving end CKB respectively, or receives inversion signal XCK and the clock signal C K of first input signal, clock signal C K respectively through its input signal receiving end IN, clock receiving end CKA and clock receiving end CKB.
After receiving above-mentioned three kinds of signals; Each shift registor just produces one scan signal (as indicating SCAN [1] with shown in the SCAN [2]) and one first control signal (as indicating EM [1] with shown in the EM [2]) according to this, and exports this two signals respectively from its sweep signal output terminal SOUT and control signal output ends EMOUT.Each sweep signal system is in order to providing the compensating circuit 202 to the picture element 20, or the compensating circuit 202 to the picture element 30 is provided.And each first control signal former be in order to the gate terminal of the switching transistor 204 to the picture element 20 to be provided, or the gate terminal of the switching transistor 204 to the picture element 30 is provided, to control the shut-in time of corresponding switching transistor 204.
In addition; First control signal that each control circuit system exports in order to the inversion signal XCK that receives second input signal, clock signal C K, clock signal C K and corresponding shift registor; And the pulse activation time that postpones the phase place of the first received control signal and prolong the first received control signal according to the inversion signal XCK of received second input signal, clock signal C K and clock signal C K; Forming one second control signal (as indicating EMOUT [1]), and produce the inversion signal (as indicating E [1]) of second control signal according to this with shown in the E [2] with shown in the EMOUT [2].
In this example; Scan drive cell 310 is to be first order scan drive cell; Therefore first input signal that received of its shift registor 312 can be the one first initial sweep signal VST1 that time schedule controller (timing controller) is provided, and second input signal that its control circuit 314 is received then can be one second initial sweep signal VST2.This second initial sweep signal also can be provided by same time schedule controller.In addition; Scan drive cell 320 is to be second level scan drive cell; And in second level scan drive cell to afterbody scan drive cell (not illustrating); First input signal that each shift registor received comprises it being the sweep signal that the previous stage scan drive cell is exported, and second input signal that each control circuit received comprises it being the inversion signal of second control signal exported of previous stage scan drive cell.What need explain in addition is; In scanning driving device 300, mode and the electric connection mode that shift registor adopted in the even level scan drive cell that the shift registor in the odd number level scan drive cell electrically connects the inversion signal XCK of clock signal C K and clock signal C K are opposite.
In addition; In this example, each control circuit includes a transmission gate (as indicating shown in 314-1 and the 324-1), a Sheffer stroke gate (as indicating shown in 314-2 and the 324-2), one first phase inverter (as indicating shown in 314-3 and the 324-3) and one second phase inverter (as indicating shown in 314-4 and the 324-4).The input end system of each transmission gate is in order to receive the second corresponding input signal; And whether two control end systems of each transmission gate in order to the inversion signal XCK of receive clock signal CK and clock signal C K, export the second received input signal with the inversion signal XCK decision according to clock signal C K and clock signal C K respectively.A wherein input end of each Sheffer stroke gate is in order to receiving the first corresponding control signal, and the output terminal that another input end electrically connects corresponding transmission gate to be receiving the output signal of corresponding transmission gate, and produces the second corresponding control signal according to this.The output terminal that the input end of each first phase inverter system electrically connects corresponding Sheffer stroke gate to be receiving the second corresponding control signal, and produces the inversion signal of the second corresponding control signal according to this.And the output terminal that the input end of each second phase inverter system electrically connects the first corresponding phase inverter to be receiving the inversion signal of the second corresponding control signal, and produces the inversion signal (as indicating EMOUT [1] ' with shown in the EMOUT [2] ') of the inversion signal of the second corresponding control signal according to this.In this example, the inversion signal of the inversion signal of each second control signal is in order to the grid of the switching transistor 204 to the picture element 20 to be provided, or the grid of the switching transistor 204 to the picture element 30 is provided.
What need explain in addition is; In scanning driving device 300, mode and the electric connection mode that transmission gate adopted in the even level scan drive cell that the transmission gate in the odd number level scan drive cell electrically connects the inversion signal XCK of clock signal C K and clock signal C K are opposite.
Fig. 4 system illustrates wherein a kind of sequential of the part signal of scanning driving device shown in Figure 3.In Fig. 4, indicate with Fig. 3 in the identical person of sign be expressed as identical signal.In addition, in Fig. 4, be with indicate 401 represent the first initial sweep signal VST1 a wherein pulse; With indicate 402 represent the second initial sweep signal VST2 a wherein pulse; With indicate 403 represent clock signal C K a wherein pulse; With indicate 404 represent the inversion signal XCK of clock signal C K a wherein pulse; With indicate 405 represent sweep signal SCAN [1] a wherein pulse; With indicate 406 represent the first control signal EM [1] a wherein pulse; With indicate 407 represent the first control signal EM [2] a wherein pulse; With indicate 408 represent the second control signal EMOUT [1] a wherein pulse; And with indicate 409 represent the second control signal EMOUT [2] a wherein pulse.
Can know by sequential shown in Figure 4; Scanning driving device 300 can postpone the phase place of the first control signal EM [1] that shift registor 312 exported through control circuit 314; And prolong pulse activation time of the first control signal EM [1], to form the second control signal EMOUT [1].Likewise, scanning driving device 300 can postpone the phase place of the first control signal EM [2] that shift registor 322 exported through control circuit 324, and prolongs the pulse activation time of the first control signal EM [2], to form the second control signal EMOUT [2].Because the two pulse activation time of the second control signal EMOUT [1] and EMOUT [2] all is extended, make the shut-in time of the switching transistor 204 in corresponding picture element 20 or the picture element 30 also can be extended.So, just can prolong the dead time of the driving transistors 102 in the compensating circuit 202 of corresponding picture element 20 or picture element 30, and then elongated the release time of the residual charge of the dielectric layer of driving transistors 102.By this, just can improve the ghost problem of organic light emitting diode display when the conversion picture.
In addition; Also can know by sequential shown in Figure 4; The two pulse activation time span system of the second control signal EMOUT [1] and EMOUT [2] is relevant with the pulse activation time span of the second initial sweep signal VST2, therefore can change the two pulse activation time span of the second control signal EMOUT [1] and EMOUT [2] through the pulse activation time span of adjusting the second initial sweep signal VST2.
Please refer again to Fig. 3, because the inversion signal EMOUT [1] ' of the second control signal EMOUT [1] and its inversion signal is a homophase, so the two arbitrary grid that all can offer the switching transistor 204 in corresponding picture element 20 or the picture element 30.In like manner, because the inversion signal EMOUT [2] ' of the second control signal EMOUT [2] and its inversion signal is a homophase, so the two arbitrary grid that all can offer the switching transistor 204 in corresponding picture element 20 or the picture element 30.
Though above explanation system is example with Fig. 2 (A) with the pixel circuit shown in Fig. 2 (B), so this is not in order to restriction the present invention, and this area has common knowledge the knowledgeable when knowing that every Organic Light Emitting Diode pixel circuit that needs control signal EM just can be used the present invention.
According to the teaching of above-mentioned each embodiment, this area has common knowledge the knowledgeable some basic steps when the driving signal generating method that can summarize scanning driving device of the present invention, and is as shown in Figure 5.Fig. 5 is the process flow diagram according to the driving signal generating method of one embodiment of the invention.Please with reference to Fig. 5, the step of said driving signal generating method comprises: the multilevel scanning driver element is provided, and every grade of scan drive cell comprises shift registor and control circuit (shown in step S502); Inversion signal to each shift registor and each control circuit (shown in step S504) of clock signal and clock signal are provided; First input signal of each shift registor is provided, and makes each shift registor produce sweep signal and first control signal (shown in step S506) according to the inversion signal and the first received input signal of clock signal, clock signal; And second input signal that each control circuit is provided, and make each control circuit produce second control signal (shown in step S508) according to the inversion signal and the second received input signal of clock signal, clock signal.
In sum; The present invention solves the main mode of foregoing problems; Be to utilize the shift registor in the scanning driving device of the present invention to produce first control signal; And the pulse activation time of utilizing the control circuit in this scanning driving device to postpone the phase place of first control signal and prolong first control signal, to form second control signal.First control signal is former to be with the dead time that decides the driving transistors in the picture element; After obtaining second control signal through above-mentioned means; Just can use the dead time that second control signal prolongs driving transistors instead, use elongated the release time of the residual charge of the dielectric layer of driving transistors.Thus, just can improve the ghost problem of organic light emitting diode display when the conversion picture.
Though the present invention discloses as above with preferred embodiment; Right its is not in order to limit the present invention; Anyly have the knack of this art; Do not breaking away from the spirit and scope of the present invention, when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking accompanying the claim person of defining.
Claims (9)
1. a scanning driving device comprises the multilevel scanning driver element, and wherein each those scan drive cell more comprises:
One shift registor in order to receiving the inversion signal of one first input signal, a clock signal and this clock signal, and produces one scan signal and one first control signal according to this; And
One control circuit; In order to inversion signal and this first control signal that receives one second input signal, this clock signal, this clock signal, and produce one second control signal according to the inversion signal of this second input signal, this clock signal and this clock signal.
2. scanning driving device according to claim 1; It is characterized in that; In first order scan drive cell; This first input signal that this shift registor received comprises it being one first initial sweep signal, and this second input signal that this control circuit received comprises it being one second initial sweep signal.
3. scanning driving device according to claim 2 is characterized in that, this first initial sweep signal and this second initial sweep signal are all provided by time schedule controller.
4. scanning driving device according to claim 1; It is characterized in that; In second level scan drive cell to afterbody scan drive cell; This first input signal that each shift registor received comprises it being this sweep signal that the previous stage scan drive cell is exported, and this second input signal that each control circuit received comprises it being the inversion signal of this second control signal of being exported of previous stage scan drive cell.
5. scanning driving device according to claim 1 is characterized in that, each control circuit comprises:
One transmission gate; The input end of this transmission gate is in order to receive this second input signal; Whether two control ends of this transmission gate then respectively in order to receive the inversion signal of this clock signal and this clock signal, export this received second input signal with the inversion signal decision according to this clock signal and this clock signal;
One Sheffer stroke gate, a wherein input end of this Sheffer stroke gate is in order to receive this first control signal, and another input end electrically connects the output terminal of this transmission gate to receive the output signal of this transmission gate, produces this second control signal according to this;
The output terminal that one first phase inverter, its input end electrically connect this Sheffer stroke gate to be receiving this second control signal, and produces the inversion signal of this second control signal according to this; And
The output terminal that one second phase inverter, its input end electrically connect this first phase inverter to be receiving the inversion signal of this second control signal, and produces the inversion signal of the inversion signal of this second control signal according to this.
6. the driving signal generating method of a scanning driving device, this driving signal generating method comprises:
The multilevel scanning driver element is provided, and every grade of scan drive cell comprises a shift registor and a control circuit;
Inversion signal to each shift registor and each control circuit of one clock signal and this clock signal are provided;
One first input signal of each shift registor is provided, and makes each shift registor produce one scan signal and one first control signal according to inversion signal and this received first input signal of this clock signal, this clock signal; And
One second input signal of each control circuit is provided, and makes each control circuit produce one second control signal according to the inversion signal of this clock signal, this clock signal and this received second input signal.
7. driving signal generating method according to claim 6; It is characterized in that; Be to be used as this first input signal that first order scan drive cell is received, and be used as this second input signal that first order scan drive cell is received with one second initial sweep signal with one first initial sweep signal.
8. driving signal generating method according to claim 7 is characterized in that, this first initial sweep signal and this second initial sweep signal are all provided by time schedule controller.
9. driving signal generating method according to claim 6; It is characterized in that; In second level scan drive cell to afterbody scan drive cell; This sweep signal of being exported with the previous stage scan drive cell is used as this first input signal that the next stage scan drive cell is received, and the inversion signal of this second control signal of being exported with the previous stage scan drive cell is used as this second input signal that the next stage scan drive cell is received.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101121370 | 2012-06-14 | ||
| TW101121370A TWI443627B (en) | 2012-06-14 | 2012-06-14 | Scan driving apparatus and driving signal generating method thereof |
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| CN102760410A true CN102760410A (en) | 2012-10-31 |
| CN102760410B CN102760410B (en) | 2015-02-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103839518A (en) * | 2012-11-27 | 2014-06-04 | 乐金显示有限公司 | Shift register and method for driving the same |
| CN105632410A (en) * | 2016-03-15 | 2016-06-01 | 上海天马有机发光显示技术有限公司 | Shift register, gate driving circuit, display panel and driving method |
| CN106328040A (en) * | 2016-10-31 | 2017-01-11 | 昆山国显光电有限公司 | Gip circuit and its driving method and flat panel display device |
| WO2019076143A1 (en) * | 2017-10-16 | 2019-04-25 | 京东方科技集团股份有限公司 | Display driving method, display driving device and display module |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104978924B (en) * | 2014-04-10 | 2017-07-25 | 上海和辉光电有限公司 | Light emitting control driver, light emitting control and scanner driver and display device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1588555A (en) * | 2004-08-16 | 2005-03-02 | 友达光电股份有限公司 | Shift register and display panel using said shift register |
| CN1697008A (en) * | 2004-05-11 | 2005-11-16 | 三星Sdi株式会社 | Organic light emitting display and driving method thereof |
| CN1716369A (en) * | 2004-06-29 | 2006-01-04 | 三星Sdi株式会社 | Light emitting display |
| CN1889166A (en) * | 2006-07-12 | 2007-01-03 | 友达光电股份有限公司 | Shift register circuit and display device with the same circuit |
| US20070079192A1 (en) * | 2005-09-15 | 2007-04-05 | Tae-Gyu Kim | Scan driver and organic light emitting display device having the same |
| CN101361110A (en) * | 2006-01-23 | 2009-02-04 | 夏普株式会社 | Drive circuit, display device provided with such drive circuit and method for driving display device |
-
2012
- 2012-06-14 TW TW101121370A patent/TWI443627B/en active
- 2012-07-26 CN CN201210261536.XA patent/CN102760410B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1697008A (en) * | 2004-05-11 | 2005-11-16 | 三星Sdi株式会社 | Organic light emitting display and driving method thereof |
| CN1716369A (en) * | 2004-06-29 | 2006-01-04 | 三星Sdi株式会社 | Light emitting display |
| CN1588555A (en) * | 2004-08-16 | 2005-03-02 | 友达光电股份有限公司 | Shift register and display panel using said shift register |
| US20070079192A1 (en) * | 2005-09-15 | 2007-04-05 | Tae-Gyu Kim | Scan driver and organic light emitting display device having the same |
| CN101361110A (en) * | 2006-01-23 | 2009-02-04 | 夏普株式会社 | Drive circuit, display device provided with such drive circuit and method for driving display device |
| CN1889166A (en) * | 2006-07-12 | 2007-01-03 | 友达光电股份有限公司 | Shift register circuit and display device with the same circuit |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103839518A (en) * | 2012-11-27 | 2014-06-04 | 乐金显示有限公司 | Shift register and method for driving the same |
| US9230482B2 (en) | 2012-11-27 | 2016-01-05 | Lg Display Co., Ltd. | Shift register and method of driving the same |
| CN105632410A (en) * | 2016-03-15 | 2016-06-01 | 上海天马有机发光显示技术有限公司 | Shift register, gate driving circuit, display panel and driving method |
| CN105632410B (en) * | 2016-03-15 | 2018-04-10 | 上海天马有机发光显示技术有限公司 | A kind of shift register, gate driving circuit, display panel and driving method |
| CN106328040A (en) * | 2016-10-31 | 2017-01-11 | 昆山国显光电有限公司 | Gip circuit and its driving method and flat panel display device |
| CN106328040B (en) * | 2016-10-31 | 2019-06-28 | 昆山国显光电有限公司 | GIP circuit and its driving method and panel display apparatus |
| WO2019076143A1 (en) * | 2017-10-16 | 2019-04-25 | 京东方科技集团股份有限公司 | Display driving method, display driving device and display module |
| US11398190B2 (en) | 2017-10-16 | 2022-07-26 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display driving device having delayed light-emission control signals and driving method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201351373A (en) | 2013-12-16 |
| TWI443627B (en) | 2014-07-01 |
| CN102760410B (en) | 2015-02-11 |
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