CN102402965A - Control signal generation method and device of display panel driving device - Google Patents

Abstract

The invention relates to a control signal generation method and device of a display panel driving device. A display control device needs to receive a predetermined number of groups of input signals to output one group of control signals. The control signal generation method comprises the following steps: receiving the first parts of the groups of input signals through a plurality of input connection points of the display control device, comparing a control command code which is received by the first connection point of the plurality of input connection points with a preset signal; receiving a start command code by the first connection point when the control command code and the preset signal are compared correctly; and making the start command code correspond to a plurality of first control signals which are subsets of the group of control signals.

Description

The control signal production method and the device of display panel drive device

The present invention is to be on May 29th, 2007 applying date, and application number is dividing an application of 200710106417.6 application for a patent for invention " the control signal production method and the device of display panel drive device ".

Technical field

The present invention relates to a kind of driving circuit of display device, and particularly relate to a kind of control signal production method and device of display panel drive device.

Background technology

In the system architecture in traditional tft liquid crystal display module; In order to reach the more demand or the satisfied more efficient and more flexible system design application purpose of high image quality, it need be through increasing control wiring and drive controlling function and the function choosing-item control of source/gate driver to realizing that in requisition for increasing chip connecting pad (chip pads) some are new itself between controller and the source/gate driver (Source/Gate Driver).This causes function to expand does not have elasticity and cost not to be inconsistent the increase of benefit.

Fig. 1 shows the structural representation of conventional thin film transistor LCD MODULE.Consult Fig. 1, the composition of tft liquid crystal display module 100 for example has display panels 102, X-PCB 104, Y-PCB 106, controller 108, source electrode driver SD1-SD8, gate drivers GD1-GD3, source electrode driver film 110, gate drivers film 112.The video data of numeral becomes appropriate data form (Data Format) and control signal via the controller treatment conversion; Cooperation is sent to source electrode driver SD1-SD8 and gate driver GD1-GD3 with data and control signal in regular turn as the clock signal clk and the GCLK of data sync reception reference.

Fig. 2 shows the control signal sequential chart of conventional source driver.Consult Fig. 2 and can reach more purpose of power saving in order to make total system, generally adopt traditional structure that is connected in series, the collocation control signal is come the control of the Push And Release that running starts as driver.For source electrode driver, basic control signal except beginning pulse (Start Pulse) SPI/SPO, need latch signal STB and polar signal (Polarity Signal, POL).But, in order to satisfy the more demand of high image quality, some new drive controlling function quilts are successively developed.Be the control in response to these what's news, generally need to increase the control wiring between controller and the source electrode driver, for example the Horizontal 2Dot Inversion function of widespread use then need increase by two control of H-2DOT and POLC wiring.In addition, in order to use in response to more efficient and more flexible system design; Source electrode driver has also comprised a lot of function choosing-item control; Multichannel (multi-channel) option for example; Low-power mode (Low power mode) option, electricity is shared (Charge Sharing) option or the like, for different system application and development demand.The control of the function choosing-item of these increases then need increase extra chip connecting pad (Chip pad)) control that comes implementation options.

Fig. 3 shows the schematic functional block of conventional source driver.Consult Fig. 3, general conventional source driver 300 comprises shift register (Shift Register) 302, data latches (Data Latch) 304, level shifter 306, digital/analog converter (DAC) 308, output circuit 310, clock input comparator 312, data sink 314, data register 316 or the like.This source electrode driver 300 need be provided with the input endpoint in response to different functions, to receive multiple input signal for example HDOT, POLC, STB, POL ... Deng, and corresponding output control signal is with the data presentation of driving pixels.

In other words, input endpoint that legacy drive is used just needs configuration one chip connecting pad, therefore possibly cause the size that increases chip, and causes the raising of cost.Along with the demand of market development and the trend of cost degradation, how can increase the variation of product function control simultaneously, but can simplify the control connection pad of function choosing-item, become inevitable the pursuing one's goal of product development.

Summary of the invention

The present invention proposes a kind of production method of display drive system control signal; Wherein a display control apparatus need receive one group of input signal of predetermined quantity; To export one group of control signal; This method comprises: through a plurality of input contacts of this display control apparatus, receive a first of this group input signal; Getting a steering order sign indicating number and the preset signal that one first contact of these a plurality of input contacts received compares; After this steering order sign indicating number and this preset signals are than correct, receive an enabled instruction sign indicating number by this first contact; And this enabled instruction sign indicating number corresponded to a plurality of first control signals, wherein these a plurality of first control signals are subclass of this group control signal.

The present invention also proposes a kind of generation device of display drive system control signal; Wherein a display control apparatus need receive one group of input signal of predetermined quantity; To export one group of control signal; This device comprises: a main circuit unit through these a plurality of input contacts of this display control apparatus, receives a first of this group input signal; An and control signal generator; Getting a steering order sign indicating number and the preset signal that one first contact of these a plurality of input contacts received compares; After this steering order sign indicating number and this preset signals are than correct; Receive an enabled instruction sign indicating number by this first contact, this enabled instruction sign indicating number is corresponded to a plurality of first control signals, wherein these a plurality of first control signals are the subclass of this group control signal.

For let above and other objects of the present invention, feature and advantage can be more obviously understandable, hereinafter is special lifts preferred embodiment, and conjunction with figs., elaborates as follows.

Description of drawings

Fig. 1 shows the structural representation of conventional thin film transistor LCD MODULE.

Fig. 2 shows the control signal sequential chart of conventional source driver.

Fig. 3 shows the schematic functional block of conventional source driver.

Fig. 4 shows according to the embodiment of the invention, the schematic functional block of source electrode driver.

Fig. 5 shows according to the embodiment of the invention, the piece synoptic diagram of control signal generator.

Fig. 6 shows according to the embodiment of the invention, the machine-processed schematic flow sheet of control signal production method.

Fig. 7 shows according to the embodiment of the invention, the sequential synoptic diagram of input signal.

Fig. 8 shows according to another embodiment of the present invention, the schematic functional block of source electrode driver.

Fig. 9 shows according to another embodiment of the present invention, the sequential synoptic diagram of input signal.

Figure 10 shows according to the embodiment of the invention, the signal timing diagram of the built-in type control signal generator of a gate drive apparatus.

Figure 11 shows according to another embodiment of the present invention, the schematic block circuit of the control signal generator of corresponding Figure 10.

Figure 12 shows according to another embodiment of the present invention, the schematic functional block of source electrode driver.

The reference numeral explanation

100: tft liquid crystal display module

102: display panels

104：X-PCB

106：Y-PCB

108: controller

110: the source electrode driver film

112: the gate drivers film

300: source electrode driver

302: shift register

304: data latches

306: level shifter

308: digital/analog converter

310: output circuit

312: the clock input comparator

314: data sink

316: data register

400,800: source electrode driver

402,802: shift register

404,804: data latches

406,806: level shifter

408、808：DAC

410,810: output circuit

412,812: the clock input comparator

414,814: data sink

416,816: data register

418: the control signal generator

420: signal

502: reset cell

504: serial data inspection controller

506: multibit shift is deposited piece

508: control signal produces piece

600-634: step

1100: the control signal generator

1112: shift register

1114: logic controller

1116: control signal produces piece

1118: level shifter & output buffer gate drivers

1200: source electrode driver

1202: shift register

1204：SPI_ctl_R

1206：SPI_ctl_L

1208: data latches

1210: level shifter

1212：DAC

1214: output circuit

1216: the clock input comparator

1218: data sink

1220: data register

1222: the control signal generator

1224：Vref_2

1226: recognition device.

Embodiment

The present invention proposes through the most basic controlling resource in the source/gate driver of display panel; Control lines such as CLK, POL, XOE, XON for example; In the source/inner control signal generator (Embedded on Source-Control Signal Generator, the EoS_CSG that realizes a built-in type of gate driver; Embedded on Gate-Control Signal Generator EoG_CSG); Come the transmission interface control signal of required extra increase between integrating controller and the source/gate driver; And the chip connecting pad of the required extra increase of other function choosing-item signal of source/gate driver, reach and have more the function expansion elasticity and have succinct low cost concurrently and high performance system design demand.

Below lift some embodiment as description of the invention, but the present invention is not subject to the embodiment that lifts.

Fig. 4 shows according to the embodiment of the invention, the schematic functional block of source electrode driver.Consult Fig. 4; For example; Source electrode driver 400 of the present invention comprises shift register 402, data latches 404, level shifter 406, digital/analog converter (DAC) 408, output circuit 410, clock input comparator 412, data sink 414, data register 416; And control signal generator (Control Signal Generator, CSG) 418.This source electrode driver 400 need be provided with some basic input endpoints in response to different functions, to receive basic input signal for example CLKP, CLKN, DxxP, DxxN, STB, POL ... Deng.

The control signal generator 418 that buries in this is noted that the structure of present embodiment, being provided with has two inputs at least, for example receives corresponding POL signal end and by the signal 420 of clock input comparator 412 outputs.Through this binary signal end points; Can receive the input signal of different definition,, produce inner signal through the judgement of control signal generator 418 inside; Respective drivers the signal that should import, for example H-2DOT, int_POL ..., ctl_sig_n-1, ctl_sig_n etc.Because control signal generator 418 also uses former predetermined POL signal end, so int_POL can replace former predetermined POL signal.

Select the reason of POL signal end at this as the input endpoint of control signal generator 418, can be as can be seen from Figure 2.Consult Fig. 2 again, for the signal of POL, it maintains level state for a long time and does not produce action, therefore can consider to utilize the POL signal to do effective utilization, and can not have influence on other control action.Can know by the pairing signal timing diagram of the source electrode driver of Fig. 2 and to know, the POL control signal only when the STB control signal is changeed high level by low level the just real substantial function that has exist.In addition At All Other Times, operation system is not had any influence.The input signal of the control signal generator that the CLK signal proposes as the present invention that therefore is well suited for using this POL signal to arrange in pairs or groups again.Please consult Fig. 5 earlier simultaneously; Transmit predefined particular data sequence string by POL as an input end din1; Collocation is used as the internal clock signal of control signal generator by CLK as another input end din2, and with the data storage of input end din1 input in data register.In addition, whether correctly din2 input also will be used for structure and go out the required various controlling mechanisms of system's control and data comparison required control signal.The inner basic control signal resource of utilization source electrode driver own with being embedded in the source electrode driver in this control signal generator 418, produces required function control signal.So can be easily and construction free of a burden play mechanism into each application function of enhancement system.

In other words, the present invention utilizes control signal generator 418, produces the part of the input signal that institute should import in internal drive, so can reduce the quantity of chip connecting pad at least.That is to say, the quantity of chip connecting pad can than driver the quantity of the input signal that should accept lack, to save chip connecting pad quantity.

Fig. 5 shows according to the embodiment of the invention, the piece synoptic diagram of control signal generator.Consult Fig. 5, the inner structure of control signal generator 418 can comprise a reset cell (rst_CSG) 502, to get back to the control signal of original state.Other main functional block comprises that serial datum inspection controller 504, multibit shift deposit piece 506 and produce (CSG) piece 508 as data register and control signal.Be example for example with two input endpoint din1, din2; Shift LD piece 506 receives the input signal of two input endpoint din1, din2 simultaneously; In addition, serial data is checked the signal of controller 504 reception input endpoint din2 and the signal one of which of being exported by shift LD piece 506.Control signal produces piece 508 can be according to the content of input signal, the control signal ctl_Signal_1 that output is corresponding ... Ctl_Signal_n etc. are as the input signal of driver.Below continue the operation mechanism of description control signal generator again.

Shift LD piece 506 is in order to the storage data that input signal transmitted.Serial data inspection controller 504 has control and comparison mechanism; Include predefined particular data sequence string information; Providing controller 504 in correct comparison time, to carry out, and the comparison work of input data, and judge that whether comparison result is like predetermined value.If the comparison mistake then is regarded as non-correct steering order input.Controlling mechanism will be replied the replacement original state, wait for the comparison again of next time importing data, and control signal output does not receive any change.If than correct, then being regarded as is correct steering order input, and system carries out the storage of next input data according to design, up to data register being filled once more.These expression input data are accomplished, and then compare with predefined another particular data sequence string.The data length of comparison mechanism is to decide according to the different designs demand with the comparison number of times.All surely fashionable to mechanism when control ratio, representative is the steering order sign indicating number that is sent by controller really, therefore will then carry out the input and comparison action of control signal enabled instruction.Function control signal produces piece 508 can define several function control signals in advance according to functional requirement.Each function control signal all has an exclusive enabled instruction sign indicating number.After the function control signal enabled instruction sign indicating number of approving was by correct comparison, control signal produces piece 508 can the corresponding control signal of output.

The operation mechanism flow process is below described.Fig. 6 shows according to the embodiment of the invention, the machine-processed schematic flow sheet of control signal production method.Consult Fig. 6, in step 600, the replacement action launching.In step 602, the data of input end din1 and din2 are sent to register (reg) 506 and controller (ctl) 504.Then in step 606-622, the inspection of comparing, at step 624-634, according to the data of input give birth to correspondence control signal 632-1,632-2 ... 632-n.

In other words, the control signal generator is to follow a succession of predefined serial data to control its running.Through the input of a succession of sequence data and the execution of comparison running, can guarantee the reliability of control signal generator (CSG) mechanism operation.In this embodiment explanation, suppose that controlling mechanism needs to pass through in regular turn D1, D2, the input of D3 and Fx serial datas such as (F1-Fn), control that could be correct and the control signal output that produces pairing expectation.After a function control signal is exported, can control the output of other function control signal according to same mode.When a succession of data of input can't meet predefined particular data fully, this controlling mechanism will be returned to the replacement original state.And control signal output does not receive any change.The comparison of three m-bit of this controlling mechanism execution " steering order sign indicating number " is supposed in System Operation control among Fig. 6, and the once comparison of " enabled instruction sign indicating number ".Suppose that m-bits is the data register of 8-bit, this three times " steering order sign indicating number " for example is respectively E6,5A and A5 in regular turn.Last " enabled instruction sign indicating number " supposes to have 5 groups, represents with the B1-B5 sign indicating number, the required relatively respectively predefined function control signal output according to system's demand for control.So, control ratio is to must then importing input of 5A data and comparison and carry out after input of E6 data and comparison execution correctly.Then import the input of A5 data in correct back again and compare execution, " enabled instruction sign indicating number " B1-B5 is then imported again in correct back, and one of them specifies that function control signal to be exported.

Can understand ground, the mechanism of above-mentioned Fig. 6 is possible a kind of mode, but is not unique mode.The invention reside in the signal of choosing change action seldom and bring in the signal that carries out dual definition, come the inner required input signal of driver that produces through the control signal generator.

Fig. 7 shows according to the embodiment of the invention, the sequential synoptic diagram of input signal.Consult Fig. 7, in this embodiment, the present invention utilizes STB and POL two control signals to come the input signal as the control signal generator (CSG) of the present invention's proposal.Import as din1 by POL (or STB) and to transmit predefined particular data sequence string, import the internal clock signal of being used as the CSG system as din2 by STB (or POL).At this, the generation of the corresponding time point 700 of int_POL is to replace former due POL signal, and actual POL input endpoint can be during not acting in the signal of other definition of input, produce some by the interior input signal that CSG was produced that buries to impel.

Fig. 8 shows according to another embodiment of the present invention, the schematic functional block of source electrode driver.According to above-mentioned principle of identity, Fig. 8 and Fig. 4 are similar, still with the mechanism of Fig. 7 as the basis, promptly be to use the input endpoint of POL and STB to operate.In other words, CSG 418 is the input signals that receive input end POL, STB, and during being failure to actuate, then produces the needed input signal of respective drivers.Source electrode driver 800 of the present invention comprises shift register 802, data latches 804, level shifter 806, digital/analog converter (DAC) 808, output circuit 810, clock input comparator 812, data sink 814, data register 816 in addition, and CSG 418.The input end of CSG 418 is connected with the POL input end, and another input end is connected with the STB input end.

Fig. 9 shows according to another embodiment of the present invention, the sequential synoptic diagram of input signal.Consult Fig. 9, compared to Fig. 7, signal STB also produces inner respective signal int_STB, int_POL simultaneously with signal POL on the corresponding time.In this embodiment, signal STB and POL two control signals are used for the input signal as control signal generator (CSG).Import as din1 by POL and STB one of which and to transmit predefined particular data sequence string, by STB and POL in addition one of which import as din2, be used as the internal clock signal of CSG system.

Again, according to identical application concept, can realize the built-in type function control signal generation device of gate drive apparatus.Figure 10 shows according to the embodiment of the invention, the signal timing diagram of the built-in type control signal generator of a gate drive apparatus.Consult Figure 10, by the pairing signal timing diagram of gate drivers, present embodiment utilizes XOE and XON two control signals to come the input signal as the control signal generator (CSG) of the present invention's proposal.Import as din1 by XON (or XOE) and to transmit predefined particular data sequence string, import the internal clock signal of being used as the CSG system as din2 by XOE (or XON).According to identical application concept, can realize the built-in type function control signal generation device of gate drive apparatus.

Figure 11 shows according to another embodiment of the present invention, the schematic block circuit of the control signal generator of corresponding Figure 10.Consult Figure 11, in be embedded in the control signal generator 1100 in the gate drivers, for example the number of winning the confidence XON and XOE are as the input signal of the control signal generator (CSG) 1116 in the control signal generator 1100.According to aforementioned mechanism to source electrode driver; Control signal in gate drivers produces piece (CSG) 1116 and is connected with the input end of XOE with reception signal XON; Produce other needed input signal ctl_sig_n according to state of a control, also for example produce inner replacement signal int_XON, int_XOE in addition.Generally, gate drivers for example comprises that shift register 1112, logic controller 1114, control signal produce piece (CSG) 1116 and level shifter & output buffer 1118 etc.Input signal XON and XOE produce piece (CSG) 1116 through control signal and receive.

In the above embodiments, if control signal is exported for preset and fixing signal, like Fig. 4, it for example only needs one group of control signal enabled instruction sign indicating number to control.If control signal can be come control signal output according to application demand,, then for example need the control signal enabled instruction sign indicating number of at least two groups to come to use as control to a certain function control signal like Fig. 8 and Figure 11.Yet this is that difference under the principle of identity is in response to variation.

Figure 12 shows according to another embodiment of the present invention, the schematic functional block of source electrode driver.Consult Figure 12,, cooperate other exercisable signal can realize out more complicated function controlling mechanism and a wider application according to different application requirements.Consult Figure 12; Source electrode driver 1200 comprises shift register 1202, data latches 1208, level shifter 1210, digital/analog converter (DAC) 1212, output circuit 1214, clock input comparator 1216, data sink 1218, data register 1220, and control signal generator 1222.In addition, source electrode driver 1200 more comprises SPI_ctl_R 1204, SPI_ctl_L 1206, Vref_2 1224 and recognition device (S-D ID-reg) 1226.Present embodiment increases the resource of utilization SPI control signal, can let the controlling mechanism of control signal generator (CSG) realize wider application.Like the recognition device of in source electrode driver, realizing distinctly to define (S-D ID-reg) 1226, or the output control of source electrode driver done the output control of more entering rank etc.The so foundation of some controlling mechanisms and design, end is seen system applies.For the application of the recognition mechanism of in source electrode driver, realizing distinctly to define 1226, provide and must not get the data transfer mode of complying with the former structure that is connected in series again.Peripheral control unit sees through the control of this device and uses, and can flexiblely start the corresponding drive unit that any controller will be sent to data on demand.

Now in the system architecture of the TFT LCD module of widespread usage; The be connected in series data transfer mode of structure of employing; At first; Controller need be sent out beginning pulse (Start Pulse) signal to first drive unit, and data are sent to corresponding drive unit, receives data to start this device.After waiting this drive unit to accomplish the reception of data, can send the drive unit of beginning pulse output (Start Pulse Out) signal, to start this next stage drive unit data that reception comes self-controller that continue to next stage.So one-level continue one-level in proper order receive data from Controller, start the output stage of all drive units at last together, output corresponding voltage level.Under this structure; When face need higher operating frequency demand system applies the time; Owing to can't avoid meeting with clock delay (Clock Skew) and wiring board problems such as (PCB path delay) in path delay, make the beginning pulse signal just can meet possibly conceal latent reliability issues or even become the main bottleneck of high operating frequency of the system that limited.The method of head it off is to break this structure that is connected in series, and makes controller can start drive unit alone and comes complete data transmission work.In this embodiment; Recognition mechanism (S-D ID-reg) in the source electrode driver can be by the data transfer mode of a slow frequency clock according to the former structure that is connected in series, and collocation control signal generator (CSG) is imported identification code to the recognition device (S-D ID-reg) of each drive unit one by one.Wait to accomplish the identification code input of the recognition device of all drive units, system just can get into the high-frequency operation mode operating.

That is to say; Above-mentioned follow-up application is the control signal generator of structure at this, allows the signal input of at least two kinds of different definition, therefore can not influence the normal operation of driver; And under the condition of the quantity of minimizing chip connecting pad, the present invention still can increase multi-purpose lifting.

In sum; Some signal input parts of driver permission are proposed to utilize in the present invention; Carry out multidefined input, through the control signal generator, the corresponding generation outside the required input signal; More can elasticity increase other extra function, make that need not to change driver just can have the function that more increases operational applications newly.

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 the claim person of defining of the present invention.

Claims (25)

1. the production method of a display drive system control signal, wherein a display control apparatus need receive one group of input signal of predetermined quantity, and to export one group of control signal, this method comprises:

Through a plurality of input contacts of this display control apparatus, receive a first of this group input signal;

Getting a steering order sign indicating number and the preset signal that one first contact of these a plurality of input contacts received compares;

After this steering order sign indicating number and this preset signals are than correct, receive an enabled instruction sign indicating number by this first contact; And

This enabled instruction sign indicating number is corresponded to a plurality of first control signals, and wherein these a plurality of first control signals are the subclass of this group control signal.

2. the production method of display drive system control signal as claimed in claim 1, one second contact of wherein getting these a plurality of input contacts in addition receives a frequency signal, reads this steering order sign indicating number with this frequency signal.

3. the production method of display drive system control signal as claimed in claim 1, wherein this display control apparatus is the one source pole drive unit.

4. the production method of display drive system control signal as claimed in claim 1, wherein this steering order sign indicating number is a polar signal.

5. the production method of display drive system control signal as claimed in claim 1, wherein this steering order sign indicating number is a latch signal.

6. the production method of display drive system control signal as claimed in claim 2, wherein this steering order sign indicating number and this frequency signal are a polar signal and a latch signal.

7. the production method of display drive system control signal as claimed in claim 1, wherein this display control apparatus is a gate drive apparatus.

8. the production method of display drive system control signal as claimed in claim 1, wherein this steering order sign indicating number is an XON signal.

9. the production method of display drive system control signal as claimed in claim 1, wherein this steering order sign indicating number is an XOE signal.

10. the production method of display drive system control signal as claimed in claim 2, wherein this steering order sign indicating number and this frequency signal are an XON signal and an XOE signal.

11. the production method of display drive system control signal as claimed in claim 1, wherein this display control apparatus is a display panel drive device.

12. the generation device of a display drive system control signal, wherein a display control apparatus need receive one group of input signal of predetermined quantity, and to export one group of control signal, this device comprises:

One main circuit unit through these a plurality of input contacts of this display control apparatus, receives a first of this group input signal; And

One control signal generator; Getting a steering order sign indicating number and the preset signal that one first contact of these a plurality of input contacts received compares; After this steering order sign indicating number and this preset signals are than correct; Receive an enabled instruction sign indicating number by this first contact, this enabled instruction sign indicating number is corresponded to a plurality of first control signals, wherein these a plurality of first control signals are the subclass of this group control signal.

13. the generation device of display drive system control signal as claimed in claim 12, wherein this control signal generator comprises:

First input end point and one second input endpoint are coupled to this first contact and one second contact respectively;

One shift register receives a plurality of input signals of this first input end point and this second input endpoint, and exports one the 3rd signal and one the 4th signal;

Serial datum inspection controller receives this input signal of this second input endpoint and the 3rd signal of this shift register output, exports a confirmation signal; And

One control signal generating unit receives the 4th signal and this confirmation signal of this shift register, according to this first input end point this input signal with this second input endpoint, produces this a plurality of first control signals.

14. the generation device of display drive system control signal as claimed in claim 13, wherein this second contact receives a frequency signal.

15. the generation device of display drive system control signal as claimed in claim 12 more comprises a reset cell, with this control signal generator of resetting.

16. the generation device of display drive system control signal as claimed in claim 12, one second contact of wherein getting these a plurality of input contacts in addition receives a frequency signal, reads this steering order sign indicating number with this frequency signal.

17. the generation device of display drive system control signal as claimed in claim 12, wherein the generation device of this display drive system control signal is the one source pole drive unit.

18. the generation device of display drive system control signal as claimed in claim 12, wherein this steering order sign indicating number is a polar signal.

19. the generation device of display drive system control signal as claimed in claim 12, wherein this steering order sign indicating number is a latch signal.

20. the generation device of display drive system control signal as claimed in claim 16, wherein this steering order sign indicating number and this frequency signal are a polar signal and a latch signal.

21. the generation device of display drive system control signal as claimed in claim 12, wherein the generation device of this display drive system control signal is a gate drive apparatus.

22. the generation device of display drive system control signal as claimed in claim 12, wherein this steering order sign indicating number is an XON signal.

23. the generation device of display drive system control signal as claimed in claim 12, wherein this steering order sign indicating number is an XOE signal.

24. the generation device of display drive system control signal as claimed in claim 16, wherein this steering order sign indicating number and this frequency signal are an XON signal and an XOE signal.

25. the generation device of display drive system control signal as claimed in claim 12, wherein the generation device of this display drive system control signal is a display panel drive device.

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