CN105372890A - Pixel structure and liquid crystal display panel - Google Patents

Pixel structure and liquid crystal display panel Download PDF

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Publication number
CN105372890A
CN105372890A CN201510815608.4A CN201510815608A CN105372890A CN 105372890 A CN105372890 A CN 105372890A CN 201510815608 A CN201510815608 A CN 201510815608A CN 105372890 A CN105372890 A CN 105372890A
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China
Prior art keywords
liquid crystal
film transistor
crystal cell
tft
thin film
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CN201510815608.4A
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Chinese (zh)
Inventor
房好强
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Qingdao Hisense Electronics Co Ltd
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Qingdao Hisense Electronics Co Ltd
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Priority to CN201510815608.4A priority Critical patent/CN105372890A/en
Publication of CN105372890A publication Critical patent/CN105372890A/en
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136213Storage capacitors associated with the pixel electrode
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/1368Active matrix addressed cells in which the switching element is a three-electrode device

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Power Engineering (AREA)
  • Liquid Crystal (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

The invention provides a pixel structure and a liquid crystal display panel. The pixel structure comprises multiple pixel units. Each pixel unit includes a first sub pixel area, a second sub pixel area, and a control circuit; the first sub pixel area includes a first switching circuit and a first liquid crystal element, wherein a first end of the first switching circuit is connected with a first scanning line, a second end of the first switching circuit is connected with a signal line, and a third end of the first switching circuit is connected with one end of the first liquid crystal element; the second sub pixel area includes a second switching circuit and a second liquid crystal element, wherein a first end of the second switching circuit is connected with the first scanning line, a second end of the second switching circuit is connected with the signal line, and a third end of the second switching circuit is connected with one end of the second liquid crystal element; and the control circuit is used for controlling the first liquid crystal element or the second liquid crystal element to make the first liquid crystal element and the second liquid crystal element differ in voltage. The number of driving channels of the driver is reduced, and the cost is low.

Description

Dot structure and display panels
Technical field
The present invention relates to display technique field, particularly relate to a kind of dot structure and display panels.
Background technology
Along with the development of display technique, current homeotropic alignment (VerticalAlignment is called for short VA) wide viewing angle liquid panel technique is used on a large scale.Along with the requirement of consumer to picture quality level is more and more higher, horizontal view angle is poor, and during the viewing LCD screen of horizontal view angle, the picture colour cast problem at side-looking angle is more and more paid attention to.For the visual angle technology of liquid crystal panel, usually represent with the farmland number in single pixel cell, have the different technologies such as single domain, two farmland, four farmlands, eight farmlands.Large scale liquid crystal panel many employings four farmland technology such as current TV.Liquid crystal panel manufacturer many employings visual angle supplements technology to improve the problem of horizontal view angle difference, generally speaking change four farmlands into eight farmlands exactly, solution generally has two kinds of approach: one is adopt the improvement on manufacturing process, and the method needs in conjunction with corresponding Driving technique, affect production capacity, cost compare is high; Two is improve on pixel structure.
Fig. 1 is the schematic diagram of conventional 8 farmland panel pixel frameworks.For the second solution, pixel structure is as shown in Figure 1 adopted in prior art, in this pixel structure, have two thin film transistor (TFT) (ThinFilmTransistor, be called for short TFT) (TFT1 and TFT2), the A1 region of the corresponding pixel of difference and A2 region, two TFT share 1 controlling grid scan line Gn, each TFT 1 source signal line S nand S n+1, the corresponding liquid crystal capacitance CLc and memory capacitance Cst of each TFT.For the TFT1 in A1 region, corresponding liquid crystal capacitance is CLcA, and memory capacitance is CstA, and for the TFT2 in A2 region, corresponding liquid crystal capacitance is CLcB, and memory capacitance is CstB.This system needs 28 gamma (Gamma) power voltage supplies, i.e. two groups of Gamma voltage GammaA1 ~ A14 and GammaB1 ~ B14 usually, needs two Gamma chips to power.When after system electrification, be carried in source signal line S nand S n+1on the corresponding different data of data-signal, and then the voltage at CLcA with CLcB two ends is different, causes A1 region different with the deflection angle of the liquid crystal molecule in A2 region, thus realizes multidomain effect.The program needs to adopt double source signal line, needs two groups of Gamma voltages, and the source electrode driver causing using is driven the increase of way and the increase of Gamma chip by this, and system cost is higher.
Summary of the invention
The invention provides a kind of dot structure and display panels, overcoming in prior art to realize multidomain effect, adding source electrode driver and driving way and Gamma chip, the problem that cost is higher.
First aspect, the invention provides a kind of dot structure, comprising:
Multiple pixel cell; Each pixel cell, comprising:
First subpixel area, the second subpixel area and control circuit;
Wherein, the first subpixel area comprises: the first on-off circuit and the first liquid crystal cell;
The first end of the first on-off circuit connects the first sweep trace, the second end connection signal line of the first on-off circuit, one end of three-terminal link first liquid crystal cell of the first on-off circuit, and the other end of the first liquid crystal cell connects public electrode wire;
Second subpixel area comprises: second switch circuit and the second liquid crystal cell;
The first end of second switch circuit connects described first sweep trace, and the second end of second switch circuit connects described signal wire, one end of three-terminal link second liquid crystal cell of second switch circuit, and the other end of the second liquid crystal cell connects public electrode wire;
Control circuit, with the 3rd end of the first on-off circuit or the three-terminal link of second switch circuit, for controlling the first liquid crystal cell or the second liquid crystal cell, makes the first liquid crystal cell different with the voltage of the second liquid crystal cell.
Second aspect, the invention provides a kind of display panels, comprising:
Substrate, the dot structure as described in first aspect be arranged on described substrate, the first sweep trace, the second sweep trace and signal wire.
Present invention pixel structure and display panels, the voltage of two liquid crystal cells of the first subpixel area or the second subpixel area is controlled by control circuit, make the voltage of two liquid crystal cells different, to make the first subpixel area different with the deflection angle of the liquid crystal molecule of the second subpixel area, thus realize 8 farmland effects, compared to existing technologies, each pixel cell is without the need to using two signal wires, decrease driver drives way, cost is lower.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of conventional 8 farmland panel pixel frameworks;
Fig. 2 A is the structural representation one of present invention pixel structure one embodiment;
Fig. 2 B is the structural representation two of present invention pixel structure one embodiment;
Fig. 3 is the structural representation of another embodiment of present invention pixel structure;
Fig. 4 A is the structural representation one of the another embodiment of present invention pixel structure;
Fig. 4 B is the structural representation two of the another embodiment of present invention pixel structure.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The dot structure of the embodiment of the present invention can be applied in display panels, and this display panels can be applied in large scale TV, improves on pixel structure mainly for the picture colour cast problem at side-looking angle during the viewing LCD screen of horizontal view angle.
With embodiment particularly, technical scheme of the present invention is described in detail below.These specific embodiments can be combined with each other below, may repeat no more for same or analogous concept or process in some embodiment.
Fig. 2 A is the structural representation one of present invention pixel structure one embodiment.Fig. 2 B is the structural representation two of present invention pixel structure one embodiment.As shown in Fig. 2 A, 2B, the dot structure of the present embodiment, comprising:
Multiple pixel cell 1; Each pixel cell 1, comprising:
First subpixel area 11, second subpixel area 12 and control circuit 13;
Wherein, the first subpixel area 11 comprises: the first on-off circuit 111 and the first liquid crystal cell 112;
The first end of the first on-off circuit 111 connects the first sweep trace G, second end connection signal line S of the first on-off circuit 111, one end of three-terminal link first liquid crystal cell 112 of the first on-off circuit 111, the other end of the first liquid crystal cell 112 connects public electrode wire (not shown);
Second subpixel area comprises 12: second switch circuit 121 and the second liquid crystal cell 122;
The first end of second switch circuit 121 connects the first sweep trace G, second end connection signal line S of second switch circuit 121, one end of three-terminal link second liquid crystal cell 122 of second switch circuit 121, the other end of the second liquid crystal cell 122 connects public electrode wire (not shown);
Control circuit 13, with the 3rd end of the first on-off circuit or the three-terminal link of second switch circuit 121, for controlling the first liquid crystal cell 112 or the second liquid crystal cell 122, makes the first liquid crystal cell 112 different with the voltage of the second liquid crystal cell 122.
Specifically, a pixel cell is illustrate only in figure, the pixel cell being in same a line in multiple pixel cell shares first sweep trace, the pixel cell being in same row shares a signal line, as this dot structure comprises m × n pixel cell, then need m bar first sweep trace and n signal line.
Dot structure shown in existing Fig. 1, each pixel cell needs two source signal lines, and add driver drives way, cost is higher.
In order to solve the problem, in the present embodiment, each pixel cell, comprising: the first subpixel area 11, second subpixel area 12 and control circuit 13;
Because the first end of the first on-off circuit of the first subpixel area 11 is all connected the first sweep trace with the first end of the second switch circuit of the second subpixel area 12, due to the second end all connection signal lines of the second end of the first on-off circuit of the first subpixel area 11 and the second switch circuit of the second subpixel area 12, when the first sweep trace is opened, first on-off circuit 111 and second switch circuit 121 conducting, charge to the first liquid crystal cell 112 and the second liquid crystal cell 122 simultaneously, after charging, make the first liquid crystal cell 112 different with the voltage of the second liquid crystal cell 122 by the control of control circuit 13, because the liquid crystal molecule anglec of rotation is relevant with the voltage being applied to liquid crystal molecule two ends, the voltage difference at the liquid crystal molecule two ends of two pixel regions can only be reached by changing source voltage in existing dot structure.Control circuit 13 by increasing in the embodiment of the present invention controls the first liquid crystal cell 112 or the second liquid crystal cell 122, make the first liquid crystal cell 112 different with the voltage of the second liquid crystal cell 122, reach the object that the voltage at the liquid crystal molecule two ends of two pixel regions is different, to make the first subpixel area 11 different with the deflection angle of the liquid crystal molecule of the second subpixel area 12, thus realize multidomain effect.
The dot structure that the present embodiment provides, the voltage of two liquid crystal cells of the first subpixel area or the second subpixel area is controlled by control circuit, make the voltage of two liquid crystal cells different, to make the first subpixel area different with the deflection angle of the liquid crystal molecule of the second subpixel area, thus realize 8 farmland effects, compared to existing technologies, each pixel cell is without the need to using two signal wires, decrease driver drives way, cost is lower.
Fig. 3 is the structural representation of another embodiment of present invention pixel structure.On the basis of Fig. 2 illustrated embodiment, in actual applications, optionally, as shown in Figure 3, in the dot structure of the present embodiment, first on-off circuit, comprise the first film transistor TFT1, wherein, the grid of the first film transistor TFT1 connects the first sweep trace G, the source electrode connection signal line S of the first film transistor TFT1, the drain electrode of the first film transistor TFT1 is connected with one end of the first liquid crystal cell 112;
Described second switch circuit, comprise the second thin film transistor (TFT) TFT2, wherein, the grid of the second thin film transistor (TFT) TFT2 connects the first sweep trace G, the source electrode connection signal line S of the second thin film transistor (TFT) TFT2, the drain electrode of the second thin film transistor (TFT) TFT2 is connected with one end of the second liquid crystal cell 122.
Specifically, when the first sweep trace G opens, the first film transistor TFT1 and the second thin film transistor (TFT) TFT2 conducting, charge to the first liquid crystal cell 112 and the second liquid crystal cell 122 simultaneously, after charging, make the first liquid crystal cell 112 different with the voltage of the second liquid crystal cell 122 by the control of control circuit 13, to make the first subpixel area 11 different with the deflection angle of the liquid crystal molecule of the second subpixel area 12, thus realize multidomain effect.
Wherein, in actual applications, the first liquid crystal cell 112 is the first liquid crystal capacitance, and the second liquid crystal cell 122 is the second liquid crystal capacitance;
First subpixel area 11, also comprises: the first memory capacitance 113; One end of first memory capacitance 113 is connected with the drain electrode of the first film transistor TFT1, and the other end of the first memory capacitance 113 is connected (not shown) with public electrode wire;
Second subpixel area 12, also comprises: the second memory capacitance 123; One end of second memory capacitance 123 is connected with the drain electrode of the second thin film transistor (TFT) TFT2, and the other end of the second memory capacitance 123 is connected (not shown) with public electrode wire.
Specifically, the effect of the first memory capacitance 113 and the second memory capacitance 123 is in order to anti-stop signal leaks from the first liquid crystal cell and the second liquid crystal cell.
Illustrate only the situation that control circuit 13 is connected with second switch circuit 121 in Fig. 3, situation about being connected with the first on-off circuit 111 is similar, repeats no more herein.
Fig. 4 A is the structural representation one of the another embodiment of present invention pixel structure.On the basis of above-mentioned embodiment, in actual applications, optionally, as the enforceable mode of one, as shown in Figure 4 A, in the dot structure of the present embodiment, control circuit 13, comprising:
3rd thin film transistor (TFT) TFT3 and the 3rd memory capacitance 131;
Wherein, the source electrode of the 3rd thin film transistor (TFT) TFT3 is connected with the drain electrode of the first film transistor TFT1, and the grid of the 3rd thin film transistor (TFT) TFT3 is connected with the second sweep trace AG, and the drain electrode of the 3rd thin film transistor (TFT) TFT3 is connected with one end of the 3rd memory capacitance 131; The other end of the 3rd memory capacitance 131 connects public electrode wire (not shown).
Specifically, control circuit specifically can be realized by thin film transistor (TFT) and memory capacitance, open the first sweep trace G, charge to the first liquid crystal cell 112 and the second liquid crystal cell 122 simultaneously, make the first liquid crystal cell 112 identical with the voltage at the second liquid crystal cell 122 two ends; Then the second sweep trace AG is opened, 3rd thin film transistor (TFT) TFT3 conducting, the second liquid crystal cell 122 is made to discharge to the 3rd memory capacitance 131, thus the first liquid crystal cell 112 is different with the voltage at the second liquid crystal cell 122 two ends, thus make the first subpixel area different with the deflection angle of the liquid crystal molecule of the second subpixel area, thus realize multidomain effect.
Fig. 4 B is the structural representation two of the another embodiment of present invention pixel structure.On the basis of above-mentioned embodiment, in actual applications, optionally, as the enforceable mode of one, as shown in Figure 4 B, in the dot structure of the present embodiment, control circuit 13, comprising:
3rd thin film transistor (TFT) TFT3 and the 3rd memory capacitance 131;
Wherein, the source electrode of the 3rd thin film transistor (TFT) TFT3 is connected with the drain electrode of the second thin film transistor (TFT) TFT2, and the grid of the 3rd thin film transistor (TFT) TFT3 is connected with the second sweep trace AG, and the drain electrode of the 3rd thin film transistor (TFT) TFT3 is connected with one end of the 3rd memory capacitance 131; The other end of the 3rd memory capacitance 131 connects public electrode wire (not shown).
Specifically, control circuit specifically can be realized by thin film transistor (TFT) and memory capacitance, open the first sweep trace G, charge to the first liquid crystal cell 112 and the second liquid crystal cell 122 simultaneously, make the first liquid crystal cell 112 identical with the voltage at the second liquid crystal cell 122 two ends; Then the second sweep trace AG is opened, 3rd thin film transistor (TFT) TFT3 conducting, the second liquid crystal cell 122 is made to discharge to the 3rd memory capacitance 131, thus the first liquid crystal cell 112 is different with the voltage at the second liquid crystal cell 122 two ends, thus make the first subpixel area different with the deflection angle of the liquid crystal molecule of the second subpixel area, thus realize multidomain effect.
In display panels one embodiment of the present invention, the present embodiment, display panels, comprising:
Substrate, the dot structure as described in above-mentioned any embodiment be arranged on described substrate, the first sweep trace, the second sweep trace and signal wire.
It should be noted that, for display panels embodiment, because it is substantially corresponding to dot structure embodiment, so relevant part illustrates see the part of dot structure embodiment.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (6)

1. a dot structure, is characterized in that, comprising:
Multiple pixel cell; Each described pixel cell, comprising:
First subpixel area, the second subpixel area and control circuit;
Wherein, described first subpixel area comprises: the first on-off circuit and the first liquid crystal cell;
The first end of described first on-off circuit connects the first sweep trace, second end connection signal line of described first on-off circuit, one end of first liquid crystal cell described in the three-terminal link of described first on-off circuit, the other end of described first liquid crystal cell connects public electrode wire;
Described second subpixel area comprises: second switch circuit and the second liquid crystal cell;
The first end of described second switch circuit connects described first sweep trace, second end of described second switch circuit connects described signal wire, one end of second liquid crystal cell described in the three-terminal link of described second switch circuit, the other end of described second liquid crystal cell connects described public electrode wire;
Described control circuit, with the 3rd end of described first on-off circuit or the three-terminal link of described second switch circuit, for controlling described first liquid crystal cell or described second liquid crystal cell, make described first liquid crystal cell different with the voltage of described second liquid crystal cell.
2. dot structure according to claim 1, it is characterized in that, described first on-off circuit, comprise the first film transistor, wherein, the grid of described the first film transistor connects described first sweep trace, and the source electrode of described the first film transistor connects described signal wire, and the drain electrode of described the first film transistor is connected with one end of described first liquid crystal cell;
Described second switch circuit, comprise the second thin film transistor (TFT), wherein, the grid of described second thin film transistor (TFT) connects described first sweep trace, the source electrode of described second thin film transistor (TFT) connects described signal wire, and the drain electrode of described second thin film transistor (TFT) is connected with one end of described second liquid crystal cell.
3. dot structure according to claim 2, is characterized in that, described first liquid crystal cell is the first liquid crystal capacitance, and described second liquid crystal cell is the second liquid crystal capacitance;
Described first subpixel area, also comprises: the first memory capacitance; One end of described first memory capacitance is connected with the drain electrode of described the first film transistor, and the other end of described first memory capacitance is connected with described public electrode wire;
Described second subpixel area, also comprises: the second memory capacitance; One end of described second memory capacitance is connected with the drain electrode of described second thin film transistor (TFT), and the other end of described second memory capacitance is connected with described public electrode wire.
4. the dot structure according to Claims 2 or 3, is characterized in that, described control circuit, comprising:
3rd thin film transistor (TFT) and the 3rd memory capacitance;
Wherein, the source electrode of described 3rd thin film transistor (TFT) is connected with the drain electrode of described the first film transistor, and the grid of described 3rd thin film transistor (TFT) is connected with the second sweep trace, and the drain electrode of described 3rd thin film transistor (TFT) is connected with one end of described 3rd memory capacitance; The other end of described 3rd memory capacitance connects described public electrode wire.
5. the dot structure according to Claims 2 or 3, is characterized in that, described control circuit, comprising:
3rd thin film transistor (TFT) and the 3rd memory capacitance;
Wherein, the source electrode of described 3rd thin film transistor (TFT) is connected with the drain electrode of described second thin film transistor (TFT), and the grid of described 3rd thin film transistor (TFT) is connected with the second sweep trace, and the drain electrode of described 3rd thin film transistor (TFT) is connected with one end of described 3rd memory capacitance; The other end of described 3rd memory capacitance connects described public electrode wire.
6. a display panels, is characterized in that, comprising:
Substrate, the dot structure as described in any one of claim 1-5 be arranged on described substrate, the first sweep trace, the second sweep trace and signal wire.
CN201510815608.4A 2015-11-20 2015-11-20 Pixel structure and liquid crystal display panel Pending CN105372890A (en)

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WO2018120286A1 (en) * 2016-12-27 2018-07-05 深圳市华星光电技术有限公司 Drive circuit and display panel
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