CN104575421A - Source electrode drive circuit of liquid crystal display panel and liquid crystal displayer - Google Patents
Source electrode drive circuit of liquid crystal display panel and liquid crystal displayer Download PDFInfo
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- CN104575421A CN104575421A CN201410820007.8A CN201410820007A CN104575421A CN 104575421 A CN104575421 A CN 104575421A CN 201410820007 A CN201410820007 A CN 201410820007A CN 104575421 A CN104575421 A CN 104575421A
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- data line
- simulated cushioned
- source electrode
- cushioned amplifier
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3685—Details of drivers for data electrodes
- G09G3/3688—Details of drivers for data electrodes suitable for active matrices only
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention provides a source electrode drive circuit of a liquid crystal display panel and a liquid crystal displayer. The source electrode drive circuit comprises multiple source electrode drive units, and each data line is correspondingly provided with one source electrode drive unit. Each source electrode drive unit comprises an analog-digital converter and an analog buffer amplifier set, wherein the analog-digital converter is used for converting analog signals input by a signal source into digital signals; the analog buffer amplifier set comprises a first analog buffer amplifier and a second analog buffer amplifier, and the analog buffer amplifier set is used for amplifying the digital signals of the analog-digital converter and transmitting the amplified digital signals to a corresponding data line; the first analog buffer amplifier and the second analog buffer amplifier are controlled to drive multiple rows of pixel units on the corresponding data line alternately through units of behavior according to the selection signal. The temperature of each analog buffer amplifier is reduced.
Description
Technical field
The present invention relates to field of display, particularly relate to a kind of source electrode drive circuit and liquid crystal display of display panels.
Background technology
In order to avoid producing polarized electric field, liquid crystal display often adopts the mode of row reversion or some reversion to drive.Display panels comprises array base palte, as described in Figure 1, and wherein array base palte multiple pixel cells 13 of comprising data line 12, sweep trace 11 and being limited by described data line 12 and described sweep trace 11; Source electrode drive circuit in existing display panels, comprise multiple analog to digital converter 14, multiple simulated cushioned amplifier 15, every bar data correspondence is provided with analog to digital converter 14 and a simulated cushioned amplifier 15, and the simulating signal that signal source inputs is converted to digital signal by analog to digital converter 14; Recycle after simulated cushioned amplifier 15 pairs of digital signals carry out amplifieroperation, by the digital data transmission after amplifieroperation to corresponding data line, to drive the pel array of display panels.
But, due in row reversion (as Fig. 1) or some reversion (as Fig. 2) process, the scope of the charging voltage (being also pixel voltage) that pel array needs is very large, black represents that the voltage of pixel cell is just, grey represents that the voltage of pixel cell is negative, cause the consumption of source electrode drive circuit merit very large, cause that the heating of simulated cushioned amplifier is very serious, loss increases.
Therefore, be necessary source electrode drive circuit and liquid crystal display that a kind of display panels is provided, to solve the problem existing for prior art.
Summary of the invention
The object of the present invention is to provide a kind of source electrode drive circuit and liquid crystal display of display panels, to generate heat serious technical matters with the simulated cushioned amplifier solved in existing source electrode drive circuit, thus add power consumption.
For solving the problem, technical scheme provided by the invention is as follows:
The embodiment of the present invention provides a kind of source electrode drive circuit of display panels, wherein said display panels comprises array base palte, multiple pixel cells that described array base palte comprises data line, sweep trace and limited by described data line and described sweep trace;
Described source electrode drive circuit comprises multiple source drive unit, and data line correspondence described in every bar is provided with described source drive unit;
Described source drive unit comprises:
Analog to digital converter, is converted to digital signal for simulating signal signal source inputted;
Simulated cushioned amplifier group, comprises the first simulated cushioned amplifier and the second simulated cushioned amplifier; Described simulated cushioned amplifier group, for carrying out amplifieroperation to the digital signal of described analog to digital converter, and transfers to corresponding data line by the described data-signal after amplifieroperation;
According to selecting the signal described first simulated cushioned amplifier of control and described second simulated cushioned amplifier with the multirow pixel cell on data line described in behavior unit driven.
In the source electrode drive circuit of display panels of the present invention, described source drive unit also comprises: the first on-off element, second switch element;
Described first simulated cushioned amplifier is connected to described data line by described first on-off element, and described second simulated cushioned amplifier is connected to described data line by second switch element;
Whether described selection signal is connected with described data line with described second switch element by controlling described first on-off element, to control described first simulated cushioned amplifier and described second simulated cushioned amplifier with the multirow pixel cell on data line described in behavior unit driven.
In the source electrode drive circuit of display panels of the present invention, when described selection signal is high level, described first on-off element is connected with described data line, and described second switch element and described data line disconnect;
When described selection signal is low level, described first on-off element and described data line disconnect, and described second switch element is connected with described data line.
In the source electrode drive circuit of display panels of the present invention, described first on-off element is N-type mos field effect transistor, described second switch element is P-type mos field effect transistor;
Described first on-off element comprises first grid, the first source electrode, the first drain electrode;
Described second switch element comprises second grid, the second source electrode, the second drain electrode;
Described first grid is connected described selection signal with described second grid, and described first source electrode connects described data line, and described first drain electrode connects the output terminal of described first simulated cushioned amplifier;
Described second source electrode connects described data line, and described second drain electrode connects the output terminal of described second simulated cushioned amplifier.
In the source electrode drive circuit of display panels of the present invention, described selection signal generates according to clock signal.
The embodiment of the present invention also provides a kind of liquid crystal display, it comprises: display panels, described display panels comprises array base palte, multiple pixel cells that described array base palte comprises data line, sweep trace and limited by described data line and described sweep trace;
Described source electrode drive circuit comprises multiple source drive unit, and data line correspondence described in every bar is provided with described source drive unit;
Described source drive unit comprises:
Analog to digital converter, is converted to digital signal for simulating signal signal source inputted;
Simulated cushioned amplifier group, comprise the first simulated cushioned amplifier and the second simulated cushioned amplifier, described simulated cushioned amplifier group, for carrying out amplifieroperation to the digital signal of described analog to digital converter, and transfers to corresponding data line by the described data-signal after amplifieroperation;
According to selecting the signal described first simulated cushioned amplifier of control and described second simulated cushioned amplifier with the multirow pixel cell on data line described in behavior unit driven.
In liquid crystal display of the present invention, described source drive unit also comprises: the first on-off element, second switch element;
Described first simulated cushioned amplifier is connected to described data line by described first on-off element, and described second simulated cushioned amplifier is connected to described data line by second switch element;
Whether described selection signal is connected with described data line with described second switch element by controlling described first on-off element, to control described first simulated cushioned amplifier and described second simulated cushioned amplifier with the multirow pixel cell on data line described in behavior unit driven.
In liquid crystal display of the present invention, when described selection signal is high level, described first on-off element is connected with described data line, and described second switch element and described data line disconnect;
When described selection signal is low level, described first on-off element and described data line disconnect, and described second switch element is connected with described data line.
In liquid crystal display of the present invention, described first on-off element is N-type mos field effect transistor, described second switch element is P-type mos field effect transistor;
Described first on-off element comprises first grid, the first source electrode, the first drain electrode;
Described second switch element comprises second grid, the second source electrode, the second drain electrode;
Described first grid is connected described selection signal with described second grid, and described first source electrode connects described data line, and described first drain electrode connects the output terminal of described first simulated cushioned amplifier;
Described second source electrode connects described data line, and described second drain electrode connects the output terminal of described second simulated cushioned amplifier.
In liquid crystal display of the present invention, described selection signal generates according to clock signal.
The source electrode drive circuit of display panels of the present invention and liquid crystal display, by increasing a simulated cushioned amplifier to every bar data line, thus reduce the temperature of single simulated cushioned amplifier, thus reduce power consumption.
For foregoing of the present invention can be become apparent, preferred embodiment cited below particularly, and coordinate institute's accompanying drawings, be described in detail below:
Accompanying drawing explanation
Fig. 1 is the structural representation of the first array base palte of prior art;
Fig. 2 is the structural representation of the second array base palte of prior art;
Fig. 3 is the structural representation of the first array base palte of the present invention;
Fig. 4 is the structure for amplifying schematic diagram of source drive unit in Fig. 3;
Fig. 5 is the structural representation of the second array base palte of the present invention;
Fig. 6 is the sequential chart of selection signal of the present invention.
Embodiment
The explanation of following embodiment is graphic with reference to what add, can in order to the specific embodiment implemented in order to illustrate the present invention.The direction term that the present invention mentions, such as " on ", D score, "front", "rear", "left", "right", " interior ", " outward ", " side " etc., be only the direction with reference to annexed drawings.Therefore, the direction term of use is in order to illustrate and to understand the present invention, and is not used to limit the present invention.
In the drawings, the unit that structure is similar represents with identical label.
Please refer to Fig. 3, Fig. 3 is the structural representation of the first array base palte of the present invention.
Display panels of the present invention comprises: color membrane substrates, array base palte and the liquid crystal layer between described color membrane substrates and described array base palte, wherein said array base palte as described in Figure 3, they multiple pixel cells 23 comprising data line 22, sweep trace 21 and limited by described data line 22 and described sweep trace 21; Described array base palte also comprises source electrode drive circuit 24;
Described source electrode drive circuit 24 comprises multiple source drive unit 25, and data line correspondence described in every bar is provided with described source drive unit 25;
Composition graphs 4, described source drive unit 25 comprises: analog to digital converter 26, simulated cushioned amplifier group 27, when signal source is to display panels incoming video signal, this vision signal is simulating signal, and the vision signal that signal source inputs is converted to digital signal by described analog to digital converter 26; Then described simulated cushioned amplifier group 27 carries out amplifieroperation (the load driving force of described amplifieroperation such as amplifier digital signal to the digital signal that described analog to digital converter gets, pel array load with on driving data line), and the described data-signal after amplifieroperation is transferred to corresponding data line;
Described simulated cushioned amplifier group 27, comprises the first simulated cushioned amplifier 28 and the second simulated cushioned amplifier 29;
Described array base palte is also provided with and selects signal input line 30, for providing selection signal, the selection signal described first simulated cushioned amplifier 28 of control that source electrode drive circuit of the present invention can input according to described selection signal input line 30 and described second simulated cushioned amplifier 29 are with the multirow pixel cell on data line described in behavior unit driven.
For left side Article 1 data line, for example described first simulated cushioned amplifier is first made to work independently, namely corresponding to the first row pixel cell on Article 1 data line digital signal processes, to drive the first row pixel cell on Article 1 data line, this pixel cell is shown, then described second simulated cushioned amplifier is made to work independently again, namely corresponding to the second row pixel cell on Article 1 data line digital signal processes, to drive the second row pixel cell on Article 1 data line, described first simulated cushioned amplifier is made to work independently again, namely corresponding to the third line pixel cell on Article 1 data line digital signal processes, to drive the third line pixel cell on Article 1 data line, and described second simulated cushioned amplifier is worked independently, namely corresponding to the fourth line pixel cell on Article 1 data line digital signal processes, to drive the fourth line pixel cell on Article 1 data line.
Preferably, described source drive unit 25 also comprises: the first on-off element 31 and second switch element 32; Described first simulated cushioned amplifier 28 is connected to described data line by described first on-off element 31, and described second simulated cushioned amplifier 29 is connected to described data line by second switch element 32;
Whether described selection signal is connected with described data line with described second switch element by controlling described first on-off element, to control described first simulated cushioned amplifier and described second simulated cushioned amplifier with the multirow pixel cell on data line described in behavior unit driven.Be specially when described selection signal is high level, described first on-off element 31 is connected with described data line, and described second switch element 32 disconnects with described data line; When described selection signal is low level, described first on-off element 31 disconnects with described data line, and described second switch element 32 is connected with described data line.
Described first on-off element 31 can be N-type metal-oxide-semiconductor (mos field effect transistor), and described second switch element can 32 be P type metal-oxide-semiconductor, and described first on-off element 31 comprises first grid, the first source electrode, the first drain electrode; Described second switch element 32 comprises second grid, the second source electrode, the second drain electrode;
Described first grid is connected described selection signal with described second grid, and described first source electrode connects described data line, and described first drain electrode connects the output terminal of described first simulated cushioned amplifier 28;
Described second source electrode connects described data line, and described second drain electrode connects the output terminal of described second simulated cushioned amplifier 29.
Preferably, described selection signal generates according to clock signal.Wherein select signal can be provided by the time schedule controller on display panels, its waveform as shown in Figure 6, time schedule controller provides clock signal, the sequential chart of clock signal C lock as shown in Figure 6, the sweep signal that sweep trace inputs also produces according to clock signal, described selection signal Select generates with reference to described clock signal, preferably generates according to described sweep signal.
For example, between time t1-t2, described selection signal is high level, described first switch is closed, described second switch disconnects, described first simulated cushioned amplifier operation, described second simulated cushioned amplifier does not work, and the data-signal after amplifieroperation is transferred to the first row pixel cell on the described data line corresponding with it by described first simulated cushioned amplifier, between time t2-t3, described selection signal is low level, described second switch is closed, described first switch disconnects, described second simulated cushioned amplifier operation, described first simulated cushioned amplifier does not work, namely the data-signal after amplifieroperation is transferred to the second row pixel cell on the described data line corresponding with it by described second simulated cushioned amplifier, between time t3-t4, described selection signal is high level, described first switch is closed, described second switch disconnects, described first simulated cushioned amplifier operation, described second simulated cushioned amplifier does not work, data-signal after amplifieroperation is transferred to the third line pixel cell on the described data line corresponding with it by described first simulated cushioned amplifier, between time t4-t5, described selection signal is low level, described second switch is closed, described first switch disconnects, described second simulated cushioned amplifier operation, described first simulated cushioned amplifier does not work, and namely the data-signal after amplifieroperation is transferred to the fourth line pixel cell on the described data line corresponding with it by described second simulated cushioned amplifier.
Visible, the input signal on data line of the present invention is alternately exported by two buffer amplifiers, and namely interlaced alternative exports, and which decreases the temperature of each amplifier, and be expert at reversion and some reversion when reduce power consumption.
Because every bar data line increases a simulated cushioned amplifier, namely every bar data line has two simulated cushioned amplifiers, and exported by the simulated cushioned amplifier of switch control rule these two and close, two buffer amplifier alternations can be made, particularly go at pixel cell and reverse or put the situation of reversing, Fig. 3 provides the schematic diagram of the capable reversion of pel array, Fig. 5 provides the schematic diagram of pel array point reversion, the present invention is ensureing under the condition that display panels normally works, only arrange a simulated cushioned amplifier with prior art to compare, the working time of simulated cushioned amplifier reduces half, the temperature of each simulated cushioned amplifier is reduced greatly, reduce power consumption.
The source electrode drive circuit of display panels of the present invention, by increasing a simulated cushioned amplifier to every bar data line, thus reduces the temperature of single simulated cushioned amplifier, thus reduces power consumption.
The present invention also provides a kind of liquid crystal display, comprise display panels and backlight module, described display panels comprises array base palte, multiple pixel cells that described array base palte comprises data line, sweep trace and limited by described data line and described sweep trace;
Described source electrode drive circuit comprises multiple source drive unit, and data line correspondence described in every bar is provided with described source drive unit;
Described source drive unit comprises:
Analog to digital converter, is converted to digital signal for simulating signal signal source inputted;
Simulated cushioned amplifier group, comprise the first simulated cushioned amplifier and the second simulated cushioned amplifier, described simulated cushioned amplifier group, for carrying out amplifieroperation to the digital signal of described analog to digital converter, and transfers to corresponding data line by the described data-signal after amplifieroperation;
According to selecting the signal described first simulated cushioned amplifier of control and described second simulated cushioned amplifier with the multirow pixel cell on data line described in behavior unit driven.
Preferably, described source drive unit also comprises: the first on-off element, second switch element;
Described first simulated cushioned amplifier is connected to described data line by described first on-off element, and described second simulated cushioned amplifier is connected to described data line by second switch element;
Whether described selection signal is connected with described data line with described second switch element by controlling described first on-off element, to control described first simulated cushioned amplifier and described second simulated cushioned amplifier with the multirow pixel cell on data line described in behavior unit driven.
When described selection signal is high level, described first on-off element is connected with described data line, and described second switch element and described data line disconnect;
When described selection signal is low level, described first on-off element and described data line disconnect, and described second switch element is connected with described data line.
Described first on-off element is N-type metal-oxide-semiconductor, described second switch element is P type metal-oxide-semiconductor;
Described first on-off element comprises first grid, the first source electrode, the first drain electrode;
Described second switch element comprises second grid, the second source electrode, the second drain electrode;
Described first grid is connected described selection signal with described second grid, and described first source electrode connects described data line, and described first drain electrode connects the output terminal of described first simulated cushioned amplifier;
Described second source electrode connects described data line, and described second drain electrode connects the output terminal of described second simulated cushioned amplifier.
Described selection signal generates according to clock signal.
Liquid crystal display of the present invention can adopt above-mentioned any one source electrode drive circuit, describes above, be not described in detail in this in view of source electrode drive circuit.
Liquid crystal display of the present invention, by increasing a simulated cushioned amplifier to every bar data line, thus reduces the temperature of single simulated cushioned amplifier, thus reduces power consumption.
In sum; although the present invention discloses as above with preferred embodiment; but above preferred embodiment is also not used to limit the present invention; those of ordinary skill in the art; without departing from the spirit and scope of the present invention; all can do various change and retouching, the scope that therefore protection scope of the present invention defines with claim is as the criterion.
Claims (10)
1. a source electrode drive circuit for display panels, is characterized in that,
Described display panels comprises array base palte, multiple pixel cells that described array base palte comprises data line, sweep trace and limited by described data line and described sweep trace;
Described source electrode drive circuit comprises multiple source drive unit, and data line correspondence described in every bar is provided with described source drive unit;
Described source drive unit comprises:
Analog to digital converter, is converted to digital signal for simulating signal signal source inputted;
Simulated cushioned amplifier group, comprises the first simulated cushioned amplifier and the second simulated cushioned amplifier; Described simulated cushioned amplifier group, for carrying out amplifieroperation to the digital signal of described analog to digital converter, and transfers to corresponding data line by the described data-signal after amplifieroperation;
According to selecting the signal described first simulated cushioned amplifier of control and described second simulated cushioned amplifier with the multirow pixel cell on data line described in behavior unit driven.
2. the source electrode drive circuit of display panels according to claim 1, is characterized in that, described source drive unit also comprises: the first on-off element, second switch element;
Described first simulated cushioned amplifier is connected to described data line by described first on-off element, and described second simulated cushioned amplifier is connected to described data line by second switch element;
Whether described selection signal is connected with described data line with described second switch element by controlling described first on-off element, to control described first simulated cushioned amplifier and described second simulated cushioned amplifier with the multirow pixel cell on data line described in behavior unit driven.
3. the source electrode drive circuit of display panels according to claim 2, is characterized in that,
When described selection signal is high level, described first on-off element is connected with described data line, and described second switch element and described data line disconnect;
When described selection signal is low level, described first on-off element and described data line disconnect, and described second switch element is connected with described data line.
4. the source electrode drive circuit of display panels according to claim 2, it is characterized in that, described first on-off element is N-type mos field effect transistor, described second switch element is P-type mos field effect transistor;
Described first on-off element comprises first grid, the first source electrode, the first drain electrode;
Described second switch element comprises second grid, the second source electrode, the second drain electrode;
Described first grid is connected described selection signal with described second grid, and described first source electrode connects described data line, and described first drain electrode connects the output terminal of described first simulated cushioned amplifier;
Described second source electrode connects described data line, and described second drain electrode connects the output terminal of described second simulated cushioned amplifier.
5. the source electrode drive circuit of display panels according to claim 1, is characterized in that,
Described selection signal generates according to clock signal.
6. a liquid crystal display, it is characterized in that, described liquid crystal display comprises display panels, and described display panels comprises array base palte, multiple pixel cells that described array base palte comprises data line, sweep trace and limited by described data line and described sweep trace;
Described source electrode drive circuit comprises multiple source drive unit, and data line correspondence described in every bar is provided with described source drive unit;
Described source drive unit comprises:
Analog to digital converter, is converted to digital signal for simulating signal signal source inputted;
Simulated cushioned amplifier group, comprise the first simulated cushioned amplifier and the second simulated cushioned amplifier, described simulated cushioned amplifier group, for carrying out amplifieroperation to the digital signal of described analog to digital converter, and transfers to corresponding data line by the described data-signal after amplifieroperation;
According to selecting the signal described first simulated cushioned amplifier of control and described second simulated cushioned amplifier with the multirow pixel cell on data line described in behavior unit driven.
7. liquid crystal display according to claim 6, is characterized in that,
Described source drive unit also comprises: the first on-off element, second switch element;
Described first simulated cushioned amplifier is connected to described data line by described first on-off element, and described second simulated cushioned amplifier is connected to described data line by second switch element;
Whether described selection signal is connected with described data line with described second switch element by controlling described first on-off element, to control described first simulated cushioned amplifier and described second simulated cushioned amplifier with the multirow pixel cell on data line described in behavior unit driven.
8. liquid crystal display according to claim 7, is characterized in that,
When described selection signal is high level, described first on-off element is connected with described data line, and described second switch element and described data line disconnect;
When described selection signal is low level, described first on-off element and described data line disconnect, and described second switch element is connected with described data line.
9. liquid crystal display according to claim 7, is characterized in that,
Described first on-off element is N-type mos field effect transistor, described second switch element is P-type mos field effect transistor;
Described first on-off element comprises first grid, the first source electrode, the first drain electrode;
Described second switch element comprises second grid, the second source electrode, the second drain electrode;
Described first grid is connected described selection signal with described second grid, and described first source electrode connects described data line, and described first drain electrode connects the output terminal of described first simulated cushioned amplifier;
Described second source electrode connects described data line, and described second drain electrode connects the output terminal of described second simulated cushioned amplifier.
10. liquid crystal display according to claim 6, is characterized in that,
Described selection signal generates according to clock signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410820007.8A CN104575421A (en) | 2014-12-25 | 2014-12-25 | Source electrode drive circuit of liquid crystal display panel and liquid crystal displayer |
| PCT/CN2014/095476 WO2016101299A1 (en) | 2014-12-25 | 2014-12-30 | Source driver circuit of liquid crystal display panel and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410820007.8A CN104575421A (en) | 2014-12-25 | 2014-12-25 | Source electrode drive circuit of liquid crystal display panel and liquid crystal displayer |
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| CN104575421A true CN104575421A (en) | 2015-04-29 |
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| CN201410820007.8A Pending CN104575421A (en) | 2014-12-25 | 2014-12-25 | Source electrode drive circuit of liquid crystal display panel and liquid crystal displayer |
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| WO (1) | WO2016101299A1 (en) |
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| CN103093733B (en) * | 2013-01-17 | 2015-04-08 | 北京京东方光电科技有限公司 | Liquid crystal display (LCD) panel drive circuit and LCD unit |
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- 2014-12-25 CN CN201410820007.8A patent/CN104575421A/en active Pending
- 2014-12-30 WO PCT/CN2014/095476 patent/WO2016101299A1/en active Application Filing
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| CN113939862A (en) * | 2020-03-27 | 2022-01-14 | 京东方科技集团股份有限公司 | Display panel and driving method thereof |
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| WO2016101299A1 (en) | 2016-06-30 |
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