CN1655018A - Flat panel display and source drive thereof - Google Patents
Flat panel display and source drive thereof Download PDFInfo
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- CN1655018A CN1655018A CN 200410004832 CN200410004832A CN1655018A CN 1655018 A CN1655018 A CN 1655018A CN 200410004832 CN200410004832 CN 200410004832 CN 200410004832 A CN200410004832 A CN 200410004832A CN 1655018 A CN1655018 A CN 1655018A
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Abstract
A source driver is used for receiving time pulse signals, displayed information and control signals to drive the display panel including a receiver and a transmitter, in which, the receiver receives time pulse signals, displayed information and control signals, the transmitter is coupled to the receiver for strengthening the driving capacity of the time pulse signal, displayed information and control signal received by the receiver to be output and used by next serial source driver.
Description
Technical field
The invention relates to a kind of flat panel display, and particularly relevant for a kind of source electrode driver of flat panel display.
Background technology
Flat panel display (flat panel display, FPD) have usually in light weight, thin thickness, volume is little and characteristic such as power saving, therefore can save usage space in office or family.In various flat panel displays, LCD (LCD, liquid crystal display) has the advantage of replacement conventional cathode ray tube (CRT) display most.In order to quicken its spreading speed and its competitive power of increase, reducing cost becomes inevitable trend.
With the LCD is example, and Fig. 1 is the calcspar of known LCD.Please refer to Fig. 1, dispose a plurality of crisscross gate passage (gate channel) 121 and a plurality of source channel (source channel) 131 on the display panels 110, each gate passage and source channel intersect part and have a pixel (pixel) (not shown).Pixel according to gate passage signal 121 for the source channel signal 131 between the starting period to determine the video picture state of this pixel.These gate passage signals 121 are produced according to lock controlling signal (gate control signal) G_CONT in regular turn by gate drive (gate driver) 120; 131 of each source channel signals by source electrode driver (source driver) 130 according to time pulse signal CLK, display data DATA and source electrode controlling signal (source control signal) CONT and provide.Aforementioned lock controlling signal G_CONT, time pulse signal CLK, display data DATA and source electrode controlling signal CONT are then provided by time schedule controller (timing controller) 140.
For more clearly demonstrating known source electrode drive circuit, special Fig. 1 is shown in Figure 1A and Figure 1B relevant for the partial circuit of source drive.Figure 1A is the calcspar that is implemented on low impedance circuit (for example FPC) in the displayed map 1 relevant for the partial circuit of source drive.Please refer to Figure 1A, for considering cost and design flexibility, (as source electrode driver 130_1 among the figure～130_n) and connect combination and implement, each integrated circuit is responsible for providing the source channel signal 131 of part to source electrode driver 130 with several integrated circuit usually.And each source electrode driven integrated circuit is disposed at flexible printed circuit board (FPC usually, flexibleprinted circuit board) on, so the various signal buses between time schedule controller 140 and the source electrode driver 130_1～130_n (CLK, DATA, CONT and other buses) are able to than the Low ESR transmission signal.
Yet the assembly cost of FPC technology is too high, and produces the difficult raising of yield, therefore must reduce FPC quantity.So known solution is that each source electrode driven integrated circuit is disposed on the display panels, the circuit between time schedule controller and the source electrode driver is then implemented with indium tin oxide (ITO, indium tin oxide).Figure 1B is the calcspar that is implemented on high impedance circuit (for example ITO) in the displayed map 1 relevant for the partial circuit of source drive.Please refer to Figure 1B,, so represent the impedance in ITO signal path among the figure with equivalent resistance because ITO is the signal path with high impedance.Therefore, (130_1～130_n) far away apart from time schedule controller 140, then its impedance to each other is big more when source electrode driver.In other words, it will cause system can operate highest frequency thereby reduction.
Summary of the invention
The objective of the invention is to be to provide a kind of source electrode driver (source driver), can be applicable to high impedance signal path (for example ITO path on the display panels), reduce time schedule controller and be connected to the used flexible printed circuit board (FPC of display panels, flexible printed circuitboard) therefore quantity can reduce production costs.Moreover source electrode driver of the present invention has the dispensing device (transmitter) that can strengthen the signal driving force, therefore overcomes the high impedance puzzlement of signal transmission path, and then the exercisable highest frequency of elevator system.
A further object of the present invention provides a kind of flat panel display, makes up source electrode driver of the present invention with series connection structure, sends the next stage source electrode driver after each grade source electrode driver is all suitably strengthened the signal driving force to.Therefore, can be applicable to high impedance signal path (for example ITO path on the display panels), reduce time schedule controller and be connected to the used flexible printed circuit board (FPC of display panels, flexible printed circuit board) quantity, and can on usefulness, not sacrifice to some extent, so can reduce the assembly cost of flat panel display, and improve and produce yield.
Another purpose of the present invention provides another kind of source electrode driver, except that aforementioned all orders, more provides and selects to be set at main mode of operation (master mode) or servant's mode of operation (slave mode), to save power consumption.
Another object of the present invention provides another kind of flat panel display, except that aforementioned all orders, more can adjust the mode of operation of setting source electrode drivers at different levels respectively according to path impedance and the permissible range of system delay time is main mode of operation or servant's mode of operation, to reduce system's power consumption and electromagnetic interference (EMI).
For achieving the above object, the present invention proposes a kind of source electrode driver, is used to receive time pulse signal, display data and controlling signal to drive display panel.This source electrode driver comprises receiving trap (receiver) and dispensing device (transmitter).Receiving trap receives time pulse signal, display data and controlling signal.Dispensing device is coupled to receiving trap, is used for strengthening respectively exporting after the driving force via time pulse signal, display data and controlling signal that receiving trap received, for another source electrode driver use of next stage.
According to the described source electrode driver of preferred embodiment of the present invention, above-mentioned dispensing device/receiving trap can be respectively differential signal transmitter (differential signal transmitter)/differential signal receiver (differential signal receiver) also or TTL signal transmitter (TTLsignal transmitter)/TTL signal receiver (TTL signal receiver).Above-mentioned dispensing device more may be voltage mode differential signal transmitter (voltage modedifferential signal transmitter), or current-mode differential signal transmitter (current modedifferential signal transmitter).
According to the described source electrode driver of preferred embodiment of the present invention, above-mentioned dispensing device can comprise data synchronizing circuit and a plurality of impact damper.The data synchronizing circuit will be synchronous via time pulse signal, display data and controlling signal three's that receiving trap received sequential.Each impact damper is coupled to the data synchronizing circuit, exports after time pulse signal, display data and controlling signal after the reception synchronously and the reinforcement signal driving force respectively, for another source electrode driver use of next stage.
According to the described source electrode driver of preferred embodiment of the present invention, above-mentioned dispensing device can comprise a plurality of voltage buffers (buffer), export after receiving time pulse signal, display data and the controlling signal of process receiving trap respectively and strengthening the signal driving force, for another source electrode driver use of next stage.
The present invention reintroduces a kind of flat panel display, comprises display panel (display panel), time schedule controller (timing controller) and multiple source driver.Time schedule controller output time pulse signal, display data and controlling signal.Each source electrode driver system couples mutually with series connection structure, and each source electrode driver all is coupled to display panel, and more is coupled to time schedule controller in a wherein end of series connection structure.Each source electrode driver receives time pulse signal, display data and controlling signal to drive display panel, and another source electrode driver of the time pulse signal, display data and the controlling signal that are received being strengthened respectively exporting for next stage after the driving force simultaneously uses.
According to the described flat panel display of preferred embodiment of the present invention, each above-mentioned source electrode driver includes receiving trap and dispensing device.Receiving trap receives time pulse signal, display data and controlling signal.Dispensing device is coupled to receiving trap, is used for time pulse signal, display data and controlling signal through receiving trap are strengthened respectively exporting after the driving force, for another source electrode driver use of next stage.
According to the described flat panel display of preferred embodiment of the present invention, above-mentioned dispensing device comprises data synchronizing circuit and a plurality of impact damper.The data synchronizing circuit receives and will be synchronous through time pulse signal, display data and the controlling signal three's of receiving trap sequential.Each impact damper is coupled to the data synchronizing circuit, exports after time pulse signal, display data and controlling signal after the reception synchronously and the reinforcement signal driving force respectively, for another source electrode driver use of next stage.
According to the described flat panel display of preferred embodiment of the present invention, above-mentioned dispensing device comprises a plurality of voltage buffers, export after time pulse signal, display data and the controlling signal of the receiving trap of reception process respectively and the reinforcement signal driving force, for another source electrode driver use of next stage.
According to the described flat panel display of preferred embodiment of the present invention, above-mentioned display panel can be amorphous silicon display panels (α-Si liquid crystal display panel) or low temperature polycrystalline silicon display panels (low temperature poly-silicon liquid crystal display panel).
The present invention proposes a kind of source electrode driver in addition, is used to receive master and servant's setting signal, time pulse signal, display data and controlling signal to drive display panel, and this source electrode driver comprises receiving trap and dispensing device.Receiving trap receives time pulse signal, display data and controlling signal.Dispensing device is coupled to receiving trap and receives master and servant's setting signal, is used for determining this dispensing device system to work in main mode of operation (master mode) or servant's mode of operation (slavemode) according to master and servant's setting signal.Wherein, main mode of operation will be strengthened respectively exporting after the driving force through time pulse signal, display data and the controlling signal three of receiving trap; Servant's mode of operation then will be through time pulse signal, display data and the controlling signal three directly guiding output respectively of receiving trap, for another source electrode driver use of next stage.
According to the described source electrode driver of preferred embodiment of the present invention, above-mentioned dispensing device/receiving trap can be respectively differential signal transmitter/differential signal receiver, or TTL signal transmitter/TTL signal receiver.Above-mentioned dispensing device more may be a voltage mode differential signal transmitter, or current-mode differential signal transmitter.
According to the described source electrode driver of preferred embodiment of the present invention, above-mentioned dispensing device comprises data synchronizing circuit and a plurality of impact damper.The data synchronizing circuit will be synchronous via time pulse signal, display data and controlling signal three's that receiving trap received sequential.Each impact damper is coupled to the data synchronizing circuit, in order to export after time pulse signal, display data and controlling signal after receiving synchronously respectively and the reinforcement signal driving force, for another source electrode driver use of next stage.
According to the described source electrode driver of preferred embodiment of the present invention, above-mentioned dispensing device comprises a plurality of voltage buffers, export after time pulse signal, display data and the controlling signal of the receiving trap of reception process respectively and the reinforcement signal driving force, for another source electrode driver use of next stage.
The present invention also proposes a kind of flat panel display, comprises display panel, time schedule controller, control circuit and multiple source driver.Time schedule controller output time pulse signal, display data and controlling signal; Control circuit is then exported a plurality of master and servant's setting signals.Each source electrode driver couples mutually with series connection structure, and each source electrode driver all is coupled to display panel and control circuit, and more is coupled to time schedule controller in a wherein end of series connection structure.Each source electrode driver receives time pulse signal, display data and controlling signal to drive display panel, simultaneously each source electrode driver according to each master and servant's setting signal wherein a corresponding signal and determine whether the time pulse signal, display data and the controlling signal that are received are strengthened driving force, another source electrode driver of exporting then for next stage uses.
According to the described flat panel display of preferred embodiment of the present invention, each above-mentioned source electrode driver includes receiving trap and dispensing device.Receiving trap receives time pulse signal, display data and controlling signal.Dispensing device is coupled to receiving trap and more receives master and servant's setting signal, is used for determining that according to master and servant's setting signal dispensing device is main mode of operation or servant's mode of operation.Wherein, main mode of operation will be strengthened respectively exporting after the driving force through time pulse signal, display data and the controlling signal three of receiving trap, servant's mode of operation then will be through time pulse signal, display data and the controlling signal three directly guiding output respectively of receiving trap, and another source electrode driver of supplying with next stage then uses.
According to the described flat panel display of preferred embodiment of the present invention, above-mentioned display panel can be amorphous silicon display panels or low temperature polycrystalline silicon display panels.
The present invention couples each source electrode driver because of adopting series connection structure mutually, and time pulse signal, display data and the controlling signal etc. that receive are strengthened respectively exporting after the driving force, therefore can be applicable to high impedance signal path (for example ITO path on the display panels), reduce time schedule controller and be connected to the used FPC quantity of display panels, and can on usefulness, not sacrifice to some extent, so overcome the high impedance puzzlement of signal transmission path, and then exercisable highest frequency of elevator system.And then the assembly cost of reduction flat panel display, and improve and produce yield.
The present invention also provides and selects to set source electrode driver is main mode of operation (master mode) or servant's mode of operation (slave mode), can adjust the mode of operation of setting source electrode drivers at different levels according to path impedance and the permissible range of system delay time respectively, to reduce system's power consumption and electromagnetic interference (EMI).
Description of drawings
[brief description of drawingsfig]
Fig. 1 is the calcspar of known LCD.
Figure 1A is the calcspar that is implemented on low impedance circuit (for example FPC) among Fig. 1 relevant for the partial circuit of source drive.
Figure 1B is the calcspar that is implemented on high impedance circuit (for example ITO) among Fig. 1 relevant for the partial circuit of source drive.
Fig. 2 is the calcspar according to a kind of LCD of a preferred embodiment of the present invention.
Fig. 2 A is relevant for the partial circuit calcspar of source drive among Fig. 2.
Fig. 2 B is the circuit block diagram according to source electrode driver in a preferred embodiment of the present invention displayed map 2.
Fig. 2 C is the sequential chart of input data after sequential is synchronous of source electrode driver among the key diagram 2B.
Fig. 2 D is another circuit block diagram according to source electrode driver in a preferred embodiment of the present invention displayed map 2.
Fig. 3 A is a kind of display source electrode drive circuit calcspar according to another preferred embodiment of the present invention.
Fig. 3 B is a kind of source electrode driver (the being set at servant's mode of operation) calcspar according to another preferred embodiment of the present invention.
Fig. 3 C is a kind of source electrode driver (the being set at main mode of operation) calcspar according to another preferred embodiment of the present invention.
Fig. 3 D is another kind of source electrode driver (the being set at main mode of operation) calcspar according to another preferred embodiment of the present invention.
Embodiment
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
The present invention for convenience of description, below each embodiment be example all with LCD (LCD, liquid crystaldisplay), but should not limit range of application of the present invention with this.
Fig. 2 is the calcspar according to a kind of LCD of a preferred embodiment of the present invention demonstration.Please refer to Fig. 2, dispose a plurality of crisscross gate passages (gatechannel) 221 and a plurality of source channel (source channel) 231 on the display panels 210, each gate passage and source channel intersect locates to have a pixel (pixel) (not shown).Pixel according to gate passage signal 221 for the source channel signal 231 between the starting period to determine the video picture state of this pixel.These gate passage signals 221 are produced according to lock controlling signal (gate control signal) G_CONT in regular turn by gate drive (gate driver) 220; 231 of each source channel signals are provided according to time pulse signal CLK, display data DATA and source electrode controlling signal (sourcecontrol signal) CONT by multiple source driver (sourcedriver) 230.Aforementioned lock controlling signal G_CONT, time pulse signal CLK, display data DATA and source electrode controlling signal CONT are then provided by time schedule controller (timingcontroller) 240.
For more clearly demonstrating the embodiment of source electrode driver of the present invention, the spy is shown in Fig. 2 A with the partial circuit relevant for source drive among Fig. 2.Fig. 2 A is relevant for the partial circuit calcspar of source drive in the displayed map 2.Please refer to Fig. 2 A, each source electrode driver 230_1～230_n couples mutually with series connection structure, is coupled to time schedule controller 240 in the end (is source electrode driver 230_1 at this) of series connection structure.Source electrode driver 230_1～230_n is responsible for providing the source channel signal 231 of part respectively.Represent the impedance of signal bang path among the figure with equivalent resistance R, for example the indium tin oxide on display panel (ITO, indium tin oxide) path impedance.Each source electrode driver receives time pulse signal CLK, display data DATA and controlling signal CONT to drive display panel (for example display panels 210 of Fig. 2), simultaneously the time pulse signal CLK, the display data DATA that are received and controlling signal CONT is strengthened output after the driving force respectively and uses for another source electrode driver of next stage.
Source electrode driver can be implemented with reference to Fig. 2 B in the present embodiment.Fig. 2 B is the circuit block diagram according to source electrode driver in a preferred embodiment of the present invention displayed map 2.Please refer to Fig. 2 B, time pulse signal CLK, display data DATA and controlling signal CONT that receiving trap 250 reception time schedule controllers 240 in the source electrode driver 230 or previous stage source electrode driver are exported.Channels drive circuit 260 obtains time pulse signal, display data and controlling signal and produces a plurality of source channel signals 231 according to this via receiving trap 250, and each source channel signal 231 is with the source channel of each self-driven correspondence.Can implement by known technology at this receiving trap 250 and channels drive circuit 260, so do not give unnecessary details at this.
Dispensing device 270 for example comprises data synchronizing circuit 271 and impact damper 272 in present embodiment.Data synchronizing circuit 271 is that benchmark is to adjust the sequential of other signals with time pulse signal CLK in order to receive a plurality of signals and the sequential of a signal is exported the back synchronously for example at this.Each impact damper 272 receives respectively and strengthens exporting after the driving force of corresponding signal.Time pulse signal CLK, display data DATA and controlling signal CONT receive, synchronously and strengthen being output as time pulse signal OCLK, display data ODATA and controlling signal OCONT respectively after the driving force via source electrode driver 230.
Fig. 2 C is the sequential chart of input data after sequential is synchronous of source electrode driver among the key diagram 2B.Please be simultaneously with reference to Fig. 2 B and Fig. 2 C, DATA has two data lines (DATA_x and DATA_y) at this hypothesis display data.Because the equivalent resistance of DATA_x and DATA_y transmission path and stray capacitance are also inequality, so the transmission delay time will be different.Shown in Fig. 2 C, DATA_x and DATA_y have the progressive error of Tskew.Behind data synchronizing circuit 271 and impact damper 272, the progressive error between each signal will be returned by compensation, be unlikely the accumulation that causes transmission delay.As shown in the figure, the data of ODATA_x and ODATA_y is sent simultaneously, uses for the next stage source electrode driver.
In the present embodiment each source electrode driver between the signal kenel transmitted for example be voltage mode differential signal (voltage mode differential signal), current-mode differential signal (current modedifferential signal), transistor logic signal (TTL signal) or other signal kenels.
Source electrode driver also can be implemented with reference to Fig. 2 D in the present embodiment.Fig. 2 D is another circuit block diagram according to source electrode driver in a preferred embodiment of the present invention displayed map 2.Please refer to Fig. 2 D, only implement with a plurality of voltage buffers (buffer) 280 at this receiving trap and dispensing device.Time pulse signal CLK, display data DATA and controlling signal CONT that source electrode driver 230 reception time schedule controllers 240 or previous stage source electrode driver are exported.Channels drive circuit 260 obtains time pulse signal, display data and controlling signal and produces a plurality of source channel signals 231 according to this, and each source channel signal 231 is with the source channel of each self-driven correspondence.Each voltage buffer 280 is output as time pulse signal OCLK, display data ODATA and controlling signal OCONT after receiving time pulse signal CLK, display data DATA and controlling signal CONT respectively and strengthening driving force.
Therefore, present embodiment can be implemented on source electrode driver high impedance circuit (for example ITO), and can not sacrifice to some extent on usefulness.Also, therefore reduce flexible printed circuit board (FPC, flexible printed circuit board) quantity, reduce the assembly cost of flat panel display, and improve and produce yield because of source electrode driver is disposed on the display panel.
For reducing power consumption, if in the permissible scope of system, can adopt the time delay of signal a dispensing device (transmitter) to drive the bus architecture that the multiple source driver is constituted.This lifts a preferred embodiment again according to the present invention again.Fig. 3 A is a kind of display source electrode drive circuit calcspar that shows according to another preferred embodiment of the present invention.Please refer to Fig. 3 A, each source electrode driver 330_1～330_n couples mutually with series connection structure, is coupled to time schedule controller 340 in the end (is source electrode driver 330_1 at this) of series connection structure.Source electrode driver 330_1～330_n is responsible for providing the source channel signal 331 of part respectively.Represent the impedance of signal bang path among the figure with equivalent resistance R, for example the ITO path impedance on display panel.Each source electrode driver reception time pulse signal CLK, display data DATA and controlling signal CONT are to drive display panel (for example display panels 210 of Fig. 2).
Each source electrode driver 330_1～330_n also receives master and servant's setting signal M_S_1～M_S_n respectively, determines that according to master and servant's setting signal the mode of operation of this source electrode driver is main mode of operation (master mode) or servant's mode of operation (slave mode).If when being set at main mode of operation, the time pulse signal CLK, the display data DATA that are received and controlling signal CONT being strengthened output after the driving force respectively use for another source electrode driver of next stage.When Working mode set was servant's mode of operation, the time pulse signal CLK that then it received, display data DATA and controlling signal CONT directly guided output to reduce power consumption.Aforementioned master and servant's setting signal M_S_1～M_S_n is provided by control circuit 390.
Fig. 3 B is a kind of source electrode driver (the being set at servant's mode of operation) calcspar that shows according to another preferred embodiment of the present invention.Please refer to Fig. 3 B, time pulse signal CLK, display data DATA and controlling signal CONT that source electrode driver 330 reception time schedule controllers 340 or previous stage source electrode driver are exported.Channels drive circuit 360 obtains time pulse signal, display data and controlling signal and produces a plurality of source channel signals 331 according to this, and each source channel signal 331 is with the source channel of each self-driven correspondence.Source electrode driver 330 also receives master and servant's setting signal M_S, and when for example master and servant's setting signal M_S was low, source electrode driver 330 promptly was set at servant's mode of operation at this; Otherwise when master and servant's setting signal M_S was high, source electrode driver 330 promptly was set at main mode of operation.Under servant's mode of operation, the time pulse signal CLK that source electrode driver 330 is received, display data DATA and controlling signal CONT are for example separately via connecting directly guiding output of line (pass line).
When master and servant's setting signal M_S was high, it was main mode of operation that source electrode driver 330 promptly is set to.Fig. 3 C is a kind of source electrode driver (the being set at main mode of operation) calcspar that shows according to another preferred embodiment of the present invention.Please refer to Fig. 3 C, source electrode driver 330 comprises receiving trap 350 and dispensing device 370.When source electrode driver 330 was set to main mode of operation, its function class was similar to Fig. 2 B of last embodiment, so do not give unnecessary details at this in the present embodiment.
Fig. 3 D is another kind of source electrode driver (the being set at main mode of operation) calcspar that shows according to another preferred embodiment of the present invention.Please refer to Fig. 3 D, only implement with a plurality of voltage buffers (buffer) 380 at this receiving trap and dispensing device.The function of Fig. 3 D is similar to Fig. 2 D of last embodiment, so do not give unnecessary details at this.
In the present embodiment, the allowable range of mode of operation visible system time delay of each source electrode driver and elasticity is set.For example, with a display panels with 10 source electrode drivers, its possible serial connection array mode is M-M-M-M-M-M-M-M-M-M, M-S-M-S-M-S-M-S-M-S, M-S-S-M-S-S-M-S-S-S, M-S-S-S-M-S-S-S-M-S or M-S-S-S-S-M-S-S-S-S; Wherein on behalf of this source electrode driver, M be set to main mode of operation, and on behalf of this source electrode driver, S then be set to servant's mode of operation.Above configuration selects to adjust according to path impedance master and servant's setting signal M_S signal reference position of each source electrode driver, to determine master/servant's mode of operation.Therefore, present embodiment can reduce system's power consumption and electromagnetic interference (EMI).
Though the present invention discloses as above with preferred embodiment; right its is not in order to limiting the present invention, anyly has the knack of this skill person, without departing 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 the claim that look application defines.
Claims (46)
1. a source electrode driver is used to receive a clock pulse signal, a display data and a controlling signal to drive a display panel, and this source electrode driver comprises:
One receiving trap is used to receive this time pulse signal, this display data and this controlling signal; And
One dispensing device is coupled to this receiving trap, is used for strengthening respectively exporting after the driving force via this time pulse signal, this display data and this controlling signal that this receiving trap received, for another source electrode driver use of next stage.
2. source electrode driver as claimed in claim 1 is characterized in that, wherein this dispensing device is a differential signal transmitter (differential signal transmitter).
3. source electrode driver as claimed in claim 2 is characterized in that, wherein this receiving trap is a differential signal receiver (differential signal receiver).
4. source electrode driver as claimed in claim 2 is characterized in that, wherein this dispensing device is a voltage mode differential signal transmitter (voltage mode differential signaltransmitter).
5. source electrode driver as claimed in claim 2 is characterized in that, wherein this dispensing device is a current-mode differential signal transmitter (current mode differential signaltransmitter).
6. source electrode driver as claimed in claim 1 is characterized in that, wherein this dispensing device is a TTL signal transmitter (TTL signal transmitter).
7. source electrode driver as claimed in claim 6 is characterized in that, wherein this receiving trap is a TTL signal receiver (TTL signal receiver).
8. source electrode driver as claimed in claim 1 is characterized in that, wherein this dispensing device comprises:
One data synchronizing circuit will be in order to will be synchronous via this time pulse signal, this display data and this controlling signal three's that this receiving trap received sequential; And
A majority impact damper are coupled to this data synchronizing circuit, in order to export after this time pulse signal, this display data and this controlling signal after receiving synchronously respectively and the reinforcement signal driving force, for another source electrode driver use of next stage.
9. source electrode driver as claimed in claim 1, it is characterized in that, wherein this dispensing device comprises most voltage buffers, export after this time pulse signal, this display data and this controlling signal of this receiving trap of reception process respectively and the reinforcement signal driving force, use for another source electrode driver of next stage.
10. source electrode driver as claimed in claim 1 is characterized in that, wherein this display panel is an amorphous silicon display panels (α-Siliquid crystal display panel).
11. source electrode driver as claimed in claim 1 is characterized in that, wherein this display panel is a low temperature polycrystalline silicon display panels (low temperature poly-silicon liquid crystaldisplay panel).
12. a flat panel display (flat panel display FPD), comprising:
One display panel;
Time schedule controller is in order to export a clock pulse signal, a display data and a controlling signal; And
A most source electrode driver, those source electrode drivers are to couple mutually with a tandem junction structure, and those source electrode drivers all are coupled to this display panel, and more be coupled to this time schedule controller in a wherein end of this series connection structure, those source electrode drivers are in order to receive this time pulse signal, this display data and this controlling signal to drive this display panel, and another source electrode driver of this time pulse signal, this display data and this controlling signal that are received being strengthened respectively exporting for next stage after the driving force simultaneously uses.
13. flat panel display as claimed in claim 12 is characterized in that, wherein each those source electrode driver comprises:
One receiving trap is used to receive this time pulse signal, this display data and this controlling signal; And
One dispensing device is coupled to this receiving trap, is used for this time pulse signal, this display data and this controlling signal through this receiving trap are strengthened respectively exporting after the driving force, for another source electrode driver use of next stage.
14. flat panel display as claimed in claim 13 is characterized in that, wherein this dispensing device is a differential signal transmitter (differential signal transmitter).
15. flat panel display as claimed in claim 14 is characterized in that, wherein this receiving trap is a differential signal receiver (differential signal receiver).
16. flat panel display as claimed in claim 14 is characterized in that, wherein this dispensing device is a voltage mode differential signal transmitter (voltage mode differential signaltransmitter).
17. flat panel display as claimed in claim 14 is characterized in that, wherein this dispensing device is a current-mode differential signal transmitter (current mode differential signaltransmitter).
18. flat panel display as claimed in claim 13 is characterized in that, wherein this dispensing device is a TTL signal transmitter (TTL signal transmitter).
19. flat panel display as claimed in claim 18 is characterized in that, wherein this receiving trap is a TTL signal receiver (TTL signal receiver).
20. flat panel display as claimed in claim 13 is characterized in that, wherein this dispensing device comprises:
One data synchronizing circuit is in order to receive and will be synchronous through this time pulse signal, this display data and this controlling signal three's of this receiving trap sequential; And
A majority impact damper are coupled to this data synchronizing circuit, in order to export after this time pulse signal, this display data and this controlling signal after receiving synchronously respectively and the reinforcement signal driving force, for another source electrode driver use of next stage.
21. flat panel display as claimed in claim 13, it is characterized in that, wherein this dispensing device comprises most voltage buffers, export after this time pulse signal, this display data and this controlling signal of this receiving trap of reception process respectively and the reinforcement signal driving force, for another source electrode driver use of next stage.
22. flat panel display as claimed in claim 12 is characterized in that, wherein this display panel is an amorphous silicon display panels (α-Siliquid crystal display panel).
23. flat panel display as claimed in claim 12 is characterized in that, wherein this display panel is a low temperature polycrystalline silicon display panels (low temperature poly-silicon liquidcrystal display panel).
24. a source electrode driver is used to receive master and servant's setting signal, a clock pulse signal, a display data and a controlling signal to drive a display panel, this source electrode driver comprises:
One receiving trap is used to receive this time pulse signal, this display data and this controlling signal; And
One dispensing device, be coupled to this receiving trap and receive this master and servant's setting signal, be used for determining according to this master and servant's setting signal this dispensing device be a main mode of operation (master mode) and servant's mode of operation (slave mode) the two one of, wherein, this main mode of operation is with this time pulse signal through this receiving trap, this display data and this controlling signal three strengthen respectively exporting after the driving force, should servant's mode of operation then will be through this time pulse signal of this receiving trap, this display data and this controlling signal three be directly guiding output respectively, for another source electrode driver use of next stage.
25. source electrode driver as claimed in claim 24 is characterized in that, wherein this dispensing device is a differential signal transmitter (differential signal transmitter).
26. source electrode driver as claimed in claim 25 is characterized in that, wherein this receiving trap is a differential signal receiver (differential signal receiver).
27. source electrode driver as claimed in claim 25 is characterized in that, wherein this dispensing device is a voltage mode differential signal transmitter (voltage mode differential signaltransmitter).
28. source electrode driver as claimed in claim 25 is characterized in that, wherein this dispensing device is a current-mode differential signal transmitter (current mode differential signaltransmitter).
29. source electrode driver as claimed in claim 24 is characterized in that, wherein this dispensing device is a TTL signal transmitter (TTL signal transmitter).
30. source electrode driver as claimed in claim 29 is characterized in that, wherein this receiving trap is a TTL signal receiver (TTL signal receiver).
31. source electrode driver as claimed in claim 24 is characterized in that, wherein this dispensing device comprises:
One data synchronizing circuit will be in order to will be synchronous via this time pulse signal, this display data and this controlling signal three's that this receiving trap received sequential; And
A majority impact damper are coupled to this data synchronizing circuit, in order to export after this time pulse signal, this display data and this controlling signal after receiving synchronously respectively and the reinforcement signal driving force, for another source electrode driver use of next stage.
32. source electrode driver as claimed in claim 24, it is characterized in that, wherein this dispensing device comprises most voltage buffers, export after this time pulse signal, this display data and this controlling signal of this receiving trap of reception process respectively and the reinforcement signal driving force, for another source electrode driver use of next stage.
33. source electrode driver as claimed in claim 24 is characterized in that, wherein this display panel is an amorphous silicon display panels (α-Siliquid crystal display panel).
34. source electrode driver as claimed in claim 24 is characterized in that, wherein this display panel is a low temperature polycrystalline silicon display panels (low temperature poly-silicon liquid crystaldisplay panel).
35. a flat panel display (flat panel display FPD), comprising:
One display panel;
Time schedule controller is in order to export a clock pulse signal, a display data and a controlling signal;
One control circuit is in order to export most master and servant's setting signals; And
A most source electrode driver, those source electrode drivers are to couple mutually with a tandem junction structure, and those source electrode drivers all are coupled to this display panel and this control circuit, and more be coupled to this time schedule controller in a wherein end of this series connection structure, those source electrode drivers are in order to receive this time pulse signal, this display data and this controlling signal are to drive this display panel, simultaneously each those source electrode driver according to those master and servant's setting signals of correspondence wherein one and decision whether with this time pulse signal that is received, this display data and this controlling signal are strengthened driving force, and another source electrode driver of exporting then for next stage uses.
36. flat panel display as claimed in claim 35 is characterized in that, wherein each those source electrode driver comprises:
One receiving trap is used to receive this time pulse signal, this display data and this controlling signal; And
One dispensing device, be coupled to this receiving trap and more receive this master and servant's setting signal, be used for determining according to this master and servant's setting signal this dispensing device be a main mode of operation (master mode) and servant's mode of operation (slave mode) the two one of, wherein, this main mode of operation will be through this time pulse signal of this receiving trap, this display data and this controlling signal three strengthen respectively exporting after the driving force, should servant's mode of operation then will be through this time pulse signal of this receiving trap, this display data and this controlling signal three be directly guiding output respectively, for another source electrode driver use of next stage.
37. flat panel display as claimed in claim 36 is characterized in that, wherein this dispensing device is a differential signal transmitter (differential signal transmitter).
38. flat panel display as claimed in claim 37 is characterized in that, wherein this receiving trap is a differential signal receiver (differential signal receiver).
39. flat panel display as claimed in claim 37 is characterized in that, wherein this dispensing device is a voltage mode differential signal transmitter (voltage mode differential signaltransmitter).
40. flat panel display as claimed in claim 37 is characterized in that, wherein this dispensing device is a current-mode differential signal transmitter (current mode differential signaltransmitter).
41. flat panel display as claimed in claim 36 is characterized in that, wherein this dispensing device is a TTL signal transmitter (TTL signal transmitter).
42. flat panel display as claimed in claim 41 is characterized in that, wherein this receiving trap is a TTL signal receiver (TTL signal receiver).
43. flat panel display as claimed in claim 36 is characterized in that, wherein this dispensing device comprises:
One data synchronizing circuit will be in order to will be synchronous via this time pulse signal, this display data and this controlling signal three's that this receiving trap received sequential; And
A majority impact damper are coupled to this data synchronizing circuit, in order to export after this time pulse signal, this display data and this controlling signal after receiving synchronously respectively and the reinforcement signal driving force, for another source electrode driver use of next stage.
44. flat panel display as claimed in claim 36, it is characterized in that, wherein this dispensing device comprises most voltage buffers, export after this time pulse signal, this display data and this controlling signal of this receiving trap of reception process respectively and the reinforcement signal driving force, for another source electrode driver use of next stage.
45. flat panel display as claimed in claim 35 is characterized in that, wherein this display panel is an amorphous silicon display panels (α-Siliquid crystal display panel).
46. flat panel display as claimed in claim 35 is characterized in that, wherein this display panel is a low temperature polycrystalline silicon display panels (low temperature poly-silicon liquidcrystal display panel).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410004832 CN1655018A (en) | 2004-02-09 | 2004-02-09 | Flat panel display and source drive thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410004832 CN1655018A (en) | 2004-02-09 | 2004-02-09 | Flat panel display and source drive thereof |
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| Publication Number | Publication Date |
|---|---|
| CN1655018A true CN1655018A (en) | 2005-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410004832 Pending CN1655018A (en) | 2004-02-09 | 2004-02-09 | Flat panel display and source drive thereof |
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| Country | Link |
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| CN (1) | CN1655018A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017653B (en) * | 2006-02-09 | 2010-12-22 | 三星电子株式会社 | Display device and driving apparatus and method thereof |
| CN101540146B (en) * | 2008-03-20 | 2011-04-06 | 奇信电子股份有限公司 | Liquid crystal display driving device with interface conversion function |
| CN102568404A (en) * | 2010-12-30 | 2012-07-11 | 联咏科技股份有限公司 | Time schedule controller, source electrode and panel driving device, display device and driving method |
| CN102592566A (en) * | 2011-12-09 | 2012-07-18 | 友达光电股份有限公司 | Data driving device, corresponding operation method and corresponding display |
-
2004
- 2004-02-09 CN CN 200410004832 patent/CN1655018A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017653B (en) * | 2006-02-09 | 2010-12-22 | 三星电子株式会社 | Display device and driving apparatus and method thereof |
| CN101540146B (en) * | 2008-03-20 | 2011-04-06 | 奇信电子股份有限公司 | Liquid crystal display driving device with interface conversion function |
| CN102568404A (en) * | 2010-12-30 | 2012-07-11 | 联咏科技股份有限公司 | Time schedule controller, source electrode and panel driving device, display device and driving method |
| CN102568404B (en) * | 2010-12-30 | 2014-12-17 | 联咏科技股份有限公司 | Time schedule controller, source electrode and panel driving device, display device and driving method |
| CN102592566A (en) * | 2011-12-09 | 2012-07-18 | 友达光电股份有限公司 | Data driving device, corresponding operation method and corresponding display |
| CN102592566B (en) * | 2011-12-09 | 2014-07-09 | 友达光电股份有限公司 | Data driving device, corresponding operation method and corresponding display |
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