CN204288761U - A kind of grid integrated drive electronics, display panel and display device - Google Patents
A kind of grid integrated drive electronics, display panel and display device Download PDFInfo
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- CN204288761U CN204288761U CN201420825752.7U CN201420825752U CN204288761U CN 204288761 U CN204288761 U CN 204288761U CN 201420825752 U CN201420825752 U CN 201420825752U CN 204288761 U CN204288761 U CN 204288761U
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Abstract
The utility model discloses a kind of grid integrated drive electronics, display panel and display device, this grid integrated drive electronics comprises multiple shift register cell and at least one of cascade for the signal wire to grid integrated drive electronics input control signal, wherein, signal wire has the signal output branch road being less than shift unit register cell number, at least one signal exports the branch road control signal input end corresponding with at least two shift register cells and is connected, can ensure that the signal intensity attenuation phenomenon that at least part of shift register cell obtains slows down like this, in prior art, each control signal inputs from display panel one end, each shift register cell successively in grid integrated drive electronics, the grid integrated drive electronics that the utility model embodiment provides, the decay of each control signal output intensity can be effectively reduced, and effectively can improve the homogeneity of each control signal output intensity, ensure that the image quality that display panel shows and serviceability.
Description
Technical field
The utility model relates to display technique field, particularly relates to a kind of grid integrated drive electronics, display panel and display device.
Background technology
At present, display technique is widely used in the display of TV, mobile phone and public information, flat-panel monitor for display frame is widelyd popularize because of the advantage of its ultra-thin energy-saving, and all need to adopt grid integrated drive electronics to realize lining by line scan and the function refreshed frame by frame to export gated sweep signal control display panel in the flat-panel monitor of majority, the view data being input to display panel can be refreshed in real time, thus realize Dynamic Announce.Grid integrated drive electronics comprises multiple shift register cells of cascade, and the function of raster data model is realized by shift register cell, both can save and make grid drive chip separately, can also reduce by one production process, not only can reduce the cost of manufacture of flat-panel monitor, can also shorten its fabrication cycle, therefore, shift register technique was widely used in flat pannel display manufacture in recent years.
But, when large size panel adopting grid integrated drive electronics design, as shown in Figure 1, wherein, for clock control signal line, choose the check point that A ~ D tetra-points are diverse location on clock control signal line, clock control signal inputs from display panel one end, pass through each shift register cell successively, but be input to the clock signal of each shift register cell, as shown in Figure 2, the stray capacitance C existed due to the signal wire self of transfer clock control signal and resistance R, make clock control signal along with the phenomenon that there will be strength retrogression away from input end, such as, the clock control signal of tetra-check points of A ~ D in Fig. 1 can be simulated, the waveform obtained as shown in Figure 3, can find out along with check point is away from input end, waveform away from the clock control signal of input end is larger with the different wave shape of the clock control signal near input end, namely clock control signal there will be larger difference in the output intensity of input end near-end and far-end, and the image quality shown for whole display panel and serviceability often depend on the side that control signal output intensity is the poorest, namely the control signal intensity that input end far-end exports determines image quality and the serviceability of display panel display, therefore, along with away from control signal input end, due to the decay of the intensity of control signal, image quality and the serviceability of display panel display can be affected.
Therefore, how to improve in grid integrated drive electronics along with the output control signal strength retrogression occurred away from control signal input end, thus affect the image quality of display panel display and the problem of serviceability, be those skilled in the art's problem demanding prompt solutions.
Utility model content
The utility model embodiment provides a kind of grid integrated drive electronics, display panel and display device, in order to solve along with the output control signal strength retrogression occurred away from control signal input end in the grid integrated drive electronics that exists in prior art, thus affect the image quality of display panel display and the problem of serviceability.
The utility model embodiment provides a kind of grid integrated drive electronics, comprising: multiple shift register cell of cascade and at least one is for the signal wire to described grid integrated drive electronics input control signal; Wherein,
Described signal wire has the signal being less than described shift unit register cell number and exports branch road;
Signal described at least one exports the branch road control signal input end corresponding with at least two described shift register cells and is connected.
In a kind of possible embodiment, in the above-mentioned grid integrated drive electronics that the utility model embodiment provides, each described signal exports control signal input end corresponding to all described with at least two shift register cell of branch road and is connected.
In a kind of possible embodiment, in the above-mentioned grid integrated drive electronics that the utility model embodiment provides, each described signal exports the branch road control signal input end corresponding with multiple adjacent described shift register cell and is connected.
In a kind of possible embodiment, in the above-mentioned grid integrated drive electronics that the utility model embodiment provides, signal described at least one exports the branch road control signal input end corresponding with multiple adjacent odd level shift register cell and is connected.
In a kind of possible embodiment, in the above-mentioned grid integrated drive electronics that the utility model embodiment provides, signal described at least one exports the branch road control signal input end corresponding with multiple adjacent even level shift register cell and is connected.
In a kind of possible embodiment, in the above-mentioned grid integrated drive electronics that the utility model embodiment provides, the number that each described signal exports the control signal input end that branch road connects is identical.
In a kind of possible embodiment, in the above-mentioned grid integrated drive electronics that the utility model embodiment provides, adjacent two described signals export the branch road control signal input end corresponding with same described shift register cell and are connected.
In a kind of possible embodiment, in the above-mentioned grid integrated drive electronics that the utility model embodiment provides, described signal wire is low level power signal wire, and the control signal input end that shift register cell is corresponding is low level signal input end;
Described signal wire is high level power signal line, and the control signal input end that shift register cell is corresponding is high level signal input end;
Described signal wire is clock control signal line, and the control signal input end that shift register cell is corresponding is clock signal input terminal.
The utility model embodiment provides a kind of display panel, comprises the above-mentioned grid integrated drive electronics that the utility model embodiment provides.
The utility model embodiment provides a kind of display device, comprises the above-mentioned display panel that the utility model embodiment provides.
The beneficial effect of the utility model embodiment comprises:
The utility model embodiment provides a kind of grid integrated drive electronics, display panel and display device, and this grid integrated drive electronics comprises multiple shift register cell and at least one of cascade for the signal wire to described grid integrated drive electronics input control signal, wherein, signal wire has the signal output branch road being less than shift unit register cell number, at least one signal exports the branch road control signal input end corresponding with at least two shift register cells and is connected, can ensure that the signal intensity attenuation phenomenon that at least part of shift register cell obtains slows down like this, in prior art, each control signal inputs from display panel one end, each shift register cell successively in grid integrated drive electronics, the grid integrated drive electronics that the utility model embodiment provides, the decay of each control signal output intensity can be effectively reduced, and effectively can improve the homogeneity of each control signal output intensity, thus the driving force of grid integrated drive electronics to whole display panel can be improved, ensure that the image quality that display panel shows and serviceability.
Accompanying drawing explanation
Fig. 1 is grid integrated drive electronics structural representation in prior art;
Fig. 2 is the electric capacity and resistance schematic diagram that in prior art, each signal wire self produces;
Fig. 3 is the clock control signal analog waveform schematic diagram of each check point on clock control signal line in the grid integrated drive electronics of prior art;
One of grid integrated drive electronics schematic diagram that Fig. 4 provides for the utility model embodiment;
The clock control signal analog waveform schematic diagram of each check point on clock control signal line in the grid integrated drive electronics that Fig. 5 provides for the utility model embodiment;
Comparing result schematic diagram time delay of the clock control signal of each check point that clock control signal and the utility model embodiment that Fig. 6 is check point each in prior art provide;
The grid integrated drive electronics schematic diagram two that Fig. 7 provides for the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of grid integrated drive electronics, display panel and display device that the utility model embodiment provides is described in detail.
The utility model embodiment provides a kind of grid integrated drive electronics, comprising: multiple shift register cell of cascade and at least one is for the signal wire to grid integrated drive electronics input control signal; Wherein,
Signal wire has the signal being less than shift unit register cell number and exports branch road;
At least one signal exports the branch road control signal input end corresponding with at least two shift register cells and is connected.
In the above-mentioned grid integrated drive electronics that the utility model embodiment provides, signal wire has the signal being less than shift unit register cell number and exports branch road, and at least one signal exports the branch road control signal input end corresponding with at least two shift register cells is connected, in prior art, each control signal inputs from display panel one end, each shift register cell successively in grid integrated drive electronics, the grid integrated drive electronics that the utility model embodiment provides, can ensure that the signal intensity attenuation phenomenon that at least part of shift register cell obtains slows down, thus the driving force of grid integrated drive electronics to whole display panel can be improved, ensure that the image quality that display panel shows and serviceability.
Particularly, in the above-mentioned grid integrated drive electronics that the utility model embodiment provides, at least part of signal exports the control signal input end that branch road can be corresponding with multiple shift register cell and is connected, the control signal input end one_to_one corresponding that all the other signals export branch road corresponding with corresponding shift register cell is connected, each like this signal wire exports branch road by each signal and the control signal of correspondence is input to control signal input end corresponding to corresponding shift register cell, can ensure that the signal intensity attenuation phenomenon that at least part of shift register cell obtains slows down.
In the specific implementation, in the above-mentioned grid integrated drive electronics that the utility model embodiment provides, (in figure, illustrate only clock control signal line CLK and CLKB) as shown in Figure 4, in order to more effectively reduce the decay of each signal wire in diverse location output control signal intensity, improve the homogeneity of each control signal output intensity, each signal exports the control signal input end that branch road all can be corresponding with at least two shift register cells and is connected, namely all shift register cells in grid integrated drive electronics can be one group with at least two shift register cells to divide into groups, the control signal input end that each signal exports branch road corresponding with each group of shift register cell is corresponding connected, control signal in each signal wire can be exported branch road uniform distribution by signal like this, then control signal input end corresponding in each shift register cell is evenly outputted to, the phenomenon that decay appears in each control signal output intensity can be effectively reduced like this, and effectively can improve the homogeneity of each control signal output intensity.
In the specific implementation, in the above-mentioned grid integrated drive electronics that the utility model embodiment provides, in order to simplify the wire laying mode of each signal wire, the control signal input end that each signal exports branch road corresponding with multiple adjacent shift register cell can be connected, namely all shift register cells in grid integrated drive electronics can be one group with at least two adjacent shift register cells to divide into groups, the control signal input end that each signal exports branch road corresponding with each group of shift register cell is corresponding connected, such wire laying mode can make each signal wire by each signal export branch road evenly to each shift register cell corresponding control signal input end input control signal, and the phenomenon of each control signal output intensity appearance decay can be effectively reduced, the homogeneity of each control signal output intensity of effective raising, and grid integrated drive electronics placement-and-routing on a display panel can be made in good order.
In the specific implementation, in the above-mentioned grid integrated drive electronics that the utility model embodiment provides, (in figure, illustrate only clock control signal line CLK and CLKB) as shown in Figure 4, the control signal input end that at least one signal exports branch road corresponding with multiple adjacent odd level shift register cell can be connected, or the control signal input end that at least one signal is exported branch road corresponding with multiple adjacent even level shift register cell is connected, can ensure that the signal intensity attenuation phenomenon that at least part of shift register cell obtains slows down like this, thus the driving force of grid integrated drive electronics to whole display panel can be improved, ensure that the image quality that display panel shows and serviceability.
In the specific implementation, in the above-mentioned grid integrated drive electronics that the utility model embodiment provides, in order to improve the homogeneity of each control signal intensity be input in each shift register cell, the number of the control signal input end that each signal output branch road therefore can be made to connect is identical, namely all shift register cells in grid integrated drive electronics can be one group with at least two shift register cells to divide into groups, and often the number of shift register cell that comprises of group is identical, the control signal input end that each signal exports branch road corresponding with each group of shift register cell is corresponding connected, thus the respective signal input end that each signal exports Zhi Luxiang same number exports control signal, therefore each signal wire can export branch road by each signal and each control signal uniform distribution is outputted to control signal input end corresponding in each shift register cell, the phenomenon that decay appears in each control signal output intensity can be effectively reduced like this, and effectively can improve the homogeneity of each control signal output intensity.
In the specific implementation, for the structural representation of the grid integrated drive electronics shown in Fig. 4, can by detecting the clock control signal of the check point of A1 ~ D1 tetra-diverse locations on clock control signal line CLK, the clock control signal waveform that simulation obtains as shown in Figure 5, the clock control signal waveform of each check point is basically identical as seen from Figure 5, do not have to occur larger difference, therefore the grid integrated drive electronics that provides of the utility model embodiment, each signal wire exports branch road L by signal and outputs to each control signal input end corresponding in each shift register, the decay of control signal output intensity can be effectively reduced, in prior art, each control signal inputs from display panel one end, each shift register cell successively in grid integrated drive electronics, in the grid integrated drive electronics that the utility model embodiment provides, each signal wire can export branch road L by signal and each control signal is evenly outputted to each control signal input end corresponding in each shift register cell, the decay of each control signal output intensity can be effectively reduced like this, and effectively can improve the homogeneity of each control signal output intensity, thus the driving force of grid integrated drive electronics to whole display panel can be improved, ensure that the image quality that display panel shows and serviceability.
Particularly, in order to the grid integrated drive electronics that the utility model embodiment provides is described more intuitively, the decay of each control signal output intensity can be effectively reduced, and effectively can improve the homogeneity of each control signal output intensity, according to every 100 shift register cells, a check point is chosen to the grid integrated drive electronics that grid integrated drive electronics of the prior art and the utility model embodiment provide, choose G0 ~ G800 eight check points altogether carry out clock control signal detection and simulate, high level rising time in the waveform of each check point and negative edge time are measured, and contrast after the rising time of each check point and negative edge time are sued for peace, comparing result as shown in Figure 6, can find out that the clock control signal that in the grid integrated drive electronics that the utility model embodiment provides, clock control signal line exports at diverse location is basically identical for time delay, and in prior art in grid integrated drive electronics clock control signal line along with away from increasing input end clock control signal time delay, this shows that the control signal that each signal wire in prior art in grid integrated drive electronics exports can along with occurring the phenomenon that strength retrogression is uneven away from input end, in the grid integrated drive electronics that the utility model embodiment provides, shift register cell in whole grid integrated drive electronics can be one group with at least two shift register cells to divide into groups, each signal exports branch road and is connected with the corresponding control signal input end of one group of shift register cell, branch road can be exported by signal like this and each control signal is evenly outputted to each control signal input end corresponding in each shift register cell, thus the phenomenon of each control signal output intensity decay can be effectively reduced, and effectively can improve the homogeneity of each control signal output intensity.
It should be noted that, in the grid integrated drive electronics that the utility model embodiment provides, clock control signal line CLK and CLKB alternately can be connected with the clock signal input terminal of each shift register cell, feasible a kind of scheme as shown in Figure 4, namely clock signal control line CLK and the clock signal input terminal CLK of the shift register cell of odd level hold to be connected and to hold with the clock signal input terminal CLKB of the shift register cell of even level and are connected, and clock control signal line CLKB and the clock signal input terminal CLKB of the shift register cell of odd level hold and are connected and are connected with the clock signal input terminal CLK of the shift register cell of even level, clock control signal line CLK and the clock signal input terminal of CLKB alternating output signal to corresponding shift register cell, ensure that the shift register cell each moment is corresponding can export corresponding clock signal like this.
In the specific implementation, in the above-mentioned grid integrated drive electronics that the utility model embodiment provides, as shown in Figure 7, in order to improve the homogeneity of each control signal output intensity, adjacent two signals export the control signal input end that branch roads can be corresponding with same shift register cell and are connected, as shown in Figure 7, wherein illustrate only clock control signal line CLK, two signals of clock signal control line CLK export branch road Ln with Ln+1 and are all connected with the signal input part of shift register cell Gn, namely two adjacent signals export in multiple shift register cells of branch road connection, control signal input end and the control signal input end that a rear signal exports the first order shift register cell that branch road is connected of the afterbody shift register cell that previous signal output branch road connects are the control signal input end of same shift register cell, the control signal on each signal wire is contributed to be evenly distributed in each shift register cell like this, the phenomenon that decay appears in each control signal output intensity can be effectively reduced, and effectively can improve the homogeneity of each control signal output intensity.
In the specific implementation, the above-mentioned grid integrated drive electronics that the utility model embodiment provides, need under the control of each control signal, realize the function that driven display panel carries out image display, and the signal wire of each shift register cell input control signal comprises low level power signal wire, high level power signal line in grid integrated drive electronics, and clock control signal line; Wherein, signal wire is low level power signal wire, then signal wire is low level signal input end by the control signal input end that the shift register cell of signal output branch road connection is corresponding; Signal wire is high level power signal line, then signal wire is high level signal input end by the control signal input end that the shift register cell of signal output branch road connection is corresponding; Signal wire is clock control signal line, then signal wire is clock signal input terminal by the control signal input end that the shift register cell of signal output branch road connection is corresponding, control signal on each like this signal wire can export branch road by each signal and output to control signal input end corresponding in shift register cell, and control gate integrated drive electronics realizes the function that driven display panel carries out image display.
Conceive based on same utility model, the utility model embodiment provides a kind of display panel, comprises the above-mentioned grid integrated drive electronics that the utility model embodiment provides.The principle of dealing with problems due to this display panel is similar to grid integrated drive electronics, and therefore the enforcement of this display device see the enforcement of above-mentioned grid integrated drive electronics, can repeat part and repeat no more.
Conceive based on same utility model, the utility model embodiment provides a kind of display device, comprise the above-mentioned display panel that the utility model embodiment provides, this display device can be any product or parts with Presentation Function such as mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.The principle of dealing with problems due to this display device is similar to display panel, and therefore the enforcement of this display device see the enforcement of above-mentioned display panel, can repeat part and repeat no more.
The utility model embodiment provides a kind of grid integrated drive electronics, display panel and display device, and this grid integrated drive electronics comprises multiple shift register cell and at least one of cascade for the signal wire to described grid integrated drive electronics input control signal, wherein, signal wire has the signal output branch road being less than shift unit register cell number, at least one signal exports the branch road control signal input end corresponding with at least two shift register cells and is connected, can ensure that the signal intensity attenuation phenomenon that at least part of shift register cell obtains slows down like this, in prior art, each control signal inputs from display panel one end, each shift register cell successively in grid integrated drive electronics, the grid integrated drive electronics that the utility model embodiment provides, the decay of each control signal output intensity can be effectively reduced, and effectively can improve the homogeneity of each control signal output intensity, thus the driving force of grid integrated drive electronics to whole display panel can be improved, ensure that the image quality that display panel shows and serviceability.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (10)
1. a grid integrated drive electronics, is characterized in that, comprising: multiple shift register cell of cascade and at least one is for the signal wire to described grid integrated drive electronics input control signal; Wherein,
Described signal wire has the signal being less than described shift register cell number and exports branch road;
Signal described at least one exports the branch road control signal input end corresponding with at least two described shift register cells and is connected.
2. grid integrated drive electronics as claimed in claim 1, is characterized in that, each described signal exports control signal input end corresponding to all described with at least two shift register cell of branch road and is connected.
3. grid integrated drive electronics as claimed in claim 1, is characterized in that, each described signal exports the branch road control signal input end corresponding with multiple adjacent described shift register cell and is connected.
4. grid integrated drive electronics as claimed in claim 2, is characterized in that, signal described at least one exports the branch road control signal input end corresponding with multiple adjacent odd level shift register cell and is connected.
5. grid integrated drive electronics as claimed in claim 2, is characterized in that, signal described at least one exports the branch road control signal input end corresponding with multiple adjacent even level shift register cell and is connected.
6. grid integrated drive electronics as claimed in claim 2, is characterized in that, the number that each described signal exports the control signal input end that branch road connects is identical.
7. grid integrated drive electronics as claimed in claim 6, is characterized in that, adjacent two described signals export the branch road control signal input end corresponding with same described shift register cell and are connected.
8. the grid integrated drive electronics as described in any one of claim 1-7, is characterized in that, described signal wire is low level power signal wire, and the control signal input end that shift register cell is corresponding is low level signal input end;
Described signal wire is high level power signal line, and the control signal input end that shift register cell is corresponding is high level signal input end;
Described signal wire is clock control signal line, and the control signal input end that shift register cell is corresponding is clock signal input terminal.
9. a display panel, is characterized in that, comprises the grid integrated drive electronics as described in any one of claim 1-8.
10. a display device, is characterized in that, comprises display panel as claimed in claim 9.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104464596A (en) * | 2014-12-22 | 2015-03-25 | 合肥鑫晟光电科技有限公司 | Grid integrated drive circuit, display panel and display device |
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| CN104464596A (en) * | 2014-12-22 | 2015-03-25 | 合肥鑫晟光电科技有限公司 | Grid integrated drive circuit, display panel and display device |
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