WO2015051663A1 - 阵列基板及其驱动方法、显示装置 - Google Patents
阵列基板及其驱动方法、显示装置 Download PDFInfo
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- WO2015051663A1 WO2015051663A1 PCT/CN2014/083352 CN2014083352W WO2015051663A1 WO 2015051663 A1 WO2015051663 A1 WO 2015051663A1 CN 2014083352 W CN2014083352 W CN 2014083352W WO 2015051663 A1 WO2015051663 A1 WO 2015051663A1
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- 239000000758 substrate Substances 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000005684 electric field Effects 0.000 claims abstract description 47
- 230000001965 increasing effect Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 32
- 238000002834 transmittance Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 14
- 239000010408 film Substances 0.000 description 7
- 238000002161 passivation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000004088 simulation Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000010409 thin film Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- G—PHYSICS
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- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- G—PHYSICS
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- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- G—PHYSICS
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- 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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- 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
- G09G3/3696—Generation of voltages supplied to electrode drivers
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- G—PHYSICS
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- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133345—Insulating layers
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- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134318—Electrodes characterised by their geometrical arrangement having a patterned common electrode
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134381—Hybrid switching mode, i.e. for applying an electric field with components parallel and orthogonal to the substrates
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
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- G02F—OPTICAL 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
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/12—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode
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- G—PHYSICS
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- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0421—Structural details of the set of electrodes
- G09G2300/0426—Layout of electrodes and connections
Definitions
- Embodiments of the present invention relate to an array substrate, a driving method thereof, and a display device. Background technique
- liquid crystal display technology people have higher requirements for the resolution of liquid crystal display products.
- ADS Advanced Super Dimension Switch
- the transmittance is only about 78% of the TN mode (Twisted Nematic). Therefore, Improving the transmission rate of the ADS mode is particularly important.
- Fig. 1 is a view showing the structure of an array substrate of an ADS mode liquid crystal display panel.
- the substrate 1 includes: a pixel electrode 5, a common electrode 6, and a passivation layer 7.
- the common electrode 6 and the pixel electrode 5 are designed in a slit shape on the substrate 1.
- FIG. 2 under the action of an electric field formed between the slit-shaped common electrode 6 and the pixel electrode 5, the liquid crystal molecules are rotated by the electric field formed by the pixel electrode and the common electrode to make the display panel transmittance.
- the liquid crystal molecular distribution diagram shows the situation shown in FIG. 2, and the display function is realized. Summary of the invention
- One aspect of the present invention provides an array substrate including gate lines and data lines, and a plurality of pixel units defined by the gate lines and the data lines, each of the pixel units including a common electrode and a pixel electrode.
- the common electrode and the pixel electrode are located in different film layers and insulated by an insulating layer, the common electrode includes a first common electrode and a second common electrode, and the first common electrode is connected to the first common electrode line, The second common electrode is connected to the second common electrode line, the first common electrode and the second common electrode are both slit-shaped electrodes and respectively include a plurality of first strip electrodes and a plurality of second strip electrodes, and The first strip electrode and the second strip electrode are alternately disposed to form an electric field with the pixel electrode, respectively.
- the pixel electrode is a slit electrode and includes a plurality of third strip electrodes, a third strip electrode of the pixel electrode and a first strip electrode of the first common electrode and the a second strip electrode of the second common electrode is alternately disposed, and a third strip shape of the pixel electrode is spaced apart between the first strip electrode of the adjacent first common electrode and the second strip electrode of the second common electrode Electricity Extreme.
- the first common electrode and the second common electrode are located in the same film layer, and the first common electrode and the second common electrode are both located on the base substrate of the pixel electrode away from the array substrate.
- One side, or both the first common electrode and the second common electrode are located on a side of the substrate electrode adjacent to the array substrate of the array substrate.
- the first common electrode and the second common electrode are located in different film layers, and the first common electrode and the second common electrode are both located on a base substrate of the pixel electrode away from the array substrate.
- One side, or the first common electrode and the second common electrode are both located on a side of the substrate electrode adjacent to the array substrate, or the first common electrode is located away from the array substrate of the pixel electrode
- One side of the base substrate and the second common electrode are located on a side of the substrate electrode adjacent to the array substrate.
- a distance between projections of the first strip electrode of the adjacent first common electrode and the second strip electrode of the second common electrode on the substrate is greater than the pixel electrode The width of the third strip electrode.
- the distance between the first strip electrode of the first common electrode and the third strip electrode of the pixel electrode in a direction parallel to the array substrate is 0 to 0.6 ⁇ m
- the second common electrode a distance between the second strip electrode and the third strip electrode of the pixel electrode in a direction parallel to the array substrate is 0 to 0.6 ⁇ m
- the first strip electrode, the second strip electrode, and the first The width of the three strip electrodes is 2 ⁇ 2.6 ⁇ m.
- the pixel electrode is a plate electrode
- the first common electrode and the second common electrode are both located in the same film layer or different film layers on the side of the substrate electrode away from the substrate substrate of the array substrate.
- a further aspect of the present invention provides a method for driving an array substrate, wherein the array substrate is any one of the array substrates described above; the driving method includes: applying a first common voltage to the first common electrode through the first common electrode line And applying a second common voltage to the second common electrode through the second common electrode line, the second common voltage being different from the first common voltage.
- the driving method further includes: providing a pixel voltage signal to the pixel electrode through the data line, the pixel voltage signal being between the first common voltage and the second common voltage.
- FIG. 1 is a schematic structural view of an array substrate in a liquid crystal display device
- FIG. 2 is a schematic diagram of simulation of light transmittance of a liquid crystal display device
- FIG. 3 is a schematic plan view showing an example of an array substrate according to an embodiment of the present invention
- FIG. 4 is a schematic cross-sectional view showing an example of an array substrate according to Embodiment 1 of the present invention; Transmittance simulation diagram;
- FIG. 6 is a schematic cross-sectional view showing an example of an array substrate according to an embodiment of the present invention
- FIG. 7 is a schematic cross-sectional view showing an example of an array substrate according to Embodiment 2 of the present invention; Transmittance simulation diagram;
- FIG. 9 is a schematic cross-sectional view showing another example of an array substrate according to a second embodiment of the present invention.
- FIG. 10 is a schematic diagram showing a simulation of light transmittance according to a second embodiment of the present invention.
- FIG. 11 is a schematic cross-sectional view showing an example of an array substrate according to a second embodiment of the present invention
- FIG. 12 is a schematic cross-sectional view showing an example of an array substrate according to Embodiment 3 of the present invention
- FIG. 14 is a cross-sectional view showing an example of a liquid crystal display device according to Embodiment 4 of the present invention.
- FIG. 15 is a flow chart showing a driving method of an array substrate according to Embodiment 5 of the present invention. detailed description
- the relative positional relationship is It may also change accordingly.
- the inventors have noticed that among the array substrates shown in FIGS. 1 and 2, since the voltages of the common electrodes of the array substrate are the same, the transmittance of the liquid crystal panel is not high.
- the present embodiment provides an array substrate.
- the array substrate of this embodiment is shown in FIG. 3 and FIG. 4, FIG. 3 is a schematic diagram of a pixel unit on the array substrate, and FIG. 4 is a cross-sectional view of the array substrate shown in FIG.
- the array substrate includes gate lines 12 and data lines 11 formed on the base substrate 1, and a plurality of pixel units defined by the gate lines 12 and the data lines 11, each of the pixel units including the common electrodes 2, 3 And the pixel electrode 5, the pixel electrode 5 and the common electrode 2, 3 are formed in different film layers of the array substrate, and are insulated by the insulating layer.
- the common electrodes 2, 3 include: a first common electrode 2 and a second common electrode 3 for respectively connecting different signal lines, and the first common electrode 2 and the second common electrode 3 are slit-shaped electrodes.
- the first common electrode 2 includes a plurality of first strip electrodes
- the second common electrode 3 includes a plurality of second strip electrodes
- the first strip electrodes and the second strip electrodes are alternately arranged for respectively corresponding to the pixels
- the electrode 5 forms a multi-dimensional electric field.
- the pixel electrode 5 is connected to the drain electrode 13 of the thin film transistor through the via 15, the source 14 of the thin film transistor is connected to the data line 11, and the gate of the thin film transistor is connected to the gate line 12.
- the surface of the pixel electrode 5 may also be covered with a passivation layer 7.
- the pixel electrode 5 is a slit electrode.
- the pixel electrode 5 includes a plurality of third strip electrodes, and the third strip electrodes of the pixel electrodes 5, the first strip electrodes of the first common electrode 2, and the second strip electrodes of the second common electrode 3 are alternately disposed.
- a third strip electrode of the pixel electrode 5 is spaced apart between the first strip electrode of the adjacent first common electrode 2 and the second strip electrode of the second common electrode 3.
- the first common electrode 2 and the second common electrode 3 are located on the same film layer, and the first common electrode 2 and the second common electrode 3 are both located on the side of the substrate electrode of the pixel electrode 5 away from the array substrate, or the first common electrode 2 and The second common electrodes 3 are both located on the side of the substrate electrode 5 adjacent to the array substrate.
- the first common electrode 2 and the second common electrode 3 are located in the same layer, and are located at different layers from the pixel electrode 5, and the first common electrode 2 and the second common electrode 3 are both located near the array of the pixel electrodes 5.
- the pixel electrode 5 is located above the first common electrode 2 and the second common electrode 3 in FIG.
- the first common electrode 2, the second common electrode 3, and the pixel electrode 5 are all slit-shaped electrodes, and the third strip electrode of the pixel electrode 5, the first strip electrode of the first common electrode 2, and the second common electrode 3
- the second strip electrodes are alternately arranged, adjacent to the first common electrode 2
- a third strip electrode of the pixel electrode 5 is spaced between the first strip electrode and the second strip electrode of the second common electrode 3.
- the projection of the first strip electrode of the adjacent first common electrode 2 and the second strip electrode of the second common electrode 3 on the base substrate 1 is larger than the width of the third strip electrode of the pixel electrode 5.
- a transverse electric field is formed between the first common electrode 2 and the second common electrode 3, the pixel electrode 5 forms a multi-dimensional electric field with the first common electrode 2, and the pixel electrode 5 and the second common electrode 3 form a multi-dimensional electric field.
- the interval g between the first common electrode 2, the second common electrode 3, and the pixel electrode 5 is the same.
- the widths of the three are the same, for example, 0 ⁇ g ⁇ 0 ⁇ m, and the electrode width is 2.6 ⁇ m.
- the first common electrode 2 and the second common electrode 3 are respectively connected to different signal lines to load different voltages.
- the polarities of the first common electrode 2 and the second common electrode 3 are different, that is, the voltage polarity of the first common electrode 2 is positive, and the voltage polarity of the second common electrode 3 is Sex is negative (and vice versa).
- the voltage of the pixel electrode 5 may be between the voltages of the first common electrode 2 and the second common electrode 3. For example: a voltage (.
- V c ml and V ⁇ m2) a first common electrode 2 and the second common electrode 3 is equal to the absolute value of the voltage polarity of the first common electrode 2 is positive, the second common electrode voltage polarity 3 Negative, the voltage V pixel of the pixel electrode 5 is between V ⁇ ml and V com2 , and _ CO m2 '
- i _ Vpixdl I Vpi xel _
- FIG. 5 is a schematic diagram showing the light transmittance simulation of the array substrate of FIG. 4.
- the first common electrode and the second common electrode respectively form a multi-dimensional electric field with the pixel electrode, so that the liquid crystal molecules above the pixel electrode are sufficiently horizontally rotated to improve the transmittance.
- FIG. 6 Another array substrate structure of the embodiment of the present invention is as shown in FIG. 6.
- the first common electrode 2 and the second common electrode 3 are located in the same layer, and are located at different layers from the pixel electrode 5, and the first common electrode 2 and the second The common electrodes 3 are located on the side of the substrate electrode of the pixel electrode 5 remote from the array substrate.
- the pixel electrode 5 in Fig. 6 is located below the first common electrode 2 and the second common electrode 3.
- a transverse electric field is formed between the first common electrode 2 and the second common electrode 3
- the pixel electrode 5 forms a multi-dimensional electric field with the first common electrode 2, and the pixel electrode 5 and the second common electrode 3 are formed.
- the multi-dimensional electric field, the effect achieved by the array substrate of FIG. 6 is substantially the same as that achieved by the array substrate shown in FIG. 4, and details are not described herein again.
- the array substrate provided in this embodiment is ADS (Advanced) of planar electric field wide viewing angle technology.
- ADS Advanced
- Super Dimension Switch, advanced super-dimensional field conversion technology) mode which forms a multi-dimensional electric field by the electric field generated by the slit-shaped electrode edge in the same plane and the electric field generated between the slit-shaped electrode layer and the plate-shaped electrode layer, so that the liquid crystal cell is narrow All the aligned liquid crystal molecules directly between the slit electrodes and the electrodes can be rotated, thereby improving the liquid crystal working efficiency and increasing the light transmission efficiency.
- FIG. 7 is a schematic structural diagram of an example of an array substrate provided by the embodiment.
- the pixel electrode 5, the first common electrode 2, and the second common electrode 3 are located in different layers, and all three are slit electrodes.
- the first common electrode 2 is located on the side of the substrate electrode 1 away from the array substrate of the pixel electrode 5 and the second common electrode 3 is located on the side of the substrate electrode 1 of the pixel electrode 5 which is adjacent to the array substrate.
- the first common electrode 2 is located above the substrate 1, and the layer of the pixel electrode 5 is located between the layers where the first common electrode 2 and the second common electrode 3 are located, the pixel electrode 5 and the first common electrode 2 and the second
- the common electrodes 3 are spaced apart by insulating layers 8 and 8', respectively.
- a passivation layer 7 is also formed on the second common electrode 3.
- the array substrate shown in FIG. 7 works on the principle that the first common electrode 2 and the second common electrode 3 respectively form a multi-dimensional electric field with the pixel electrode 5, and a multi-dimensional electric field is formed between the first common electrode 2 and the second common electrode 3.
- the combined electric field of the three multi-dimensional electric fields causes the liquid crystal molecules to rotate in the same direction in the horizontal direction, the horizontal rotation angle of the liquid crystal molecules is larger.
- the effect achieved is shown in Fig. 8.
- the liquid crystal molecules above the pixel electrode are rotated horizontally to increase the transmittance.
- FIG. 9 is a schematic structural diagram of still another example of an array substrate according to an embodiment of the present invention.
- the pixel electrode 5, the first common electrode 2, and the second common electrode 3 are located in different layers, all of which are slit-shaped electrodes, and the first common electrode 2 and the second common electrode 3 are located near the array substrate of the pixel electrode 5.
- the second common electrode 3 is located on the base substrate 1, and the layer of the first common electrode 2 is located between the layer where the pixel electrode 5 and the second common electrode 3 are located, and the first common electrode 2 and the second common electrode 3 are
- the pixel electrodes 5 are spaced apart by insulating layers 8 and 8', respectively, and a passivation layer 7 is formed on the pixel electrodes 5.
- the first common electrode 2 and the second common electrode 3 respectively form a multi-dimensional electric field with the pixel electrode 5, and a multi-dimensional electric field is formed between the first common electrode 2 and the second common electrode 3, when When the combined electric fields of the three multi-dimensional electric fields cause the liquid crystal molecules to rotate in the same direction in the horizontal direction, the horizontal rotation angle of the liquid crystal molecules is larger.
- the effect achieved is shown in Fig. 10.
- the liquid crystal molecules above the pixel electrode are rotated horizontally to increase the transmittance.
- FIG. 11 is a schematic structural diagram of another example of an array substrate provided by the embodiment.
- the pixel electrode 5, the first common electrode 2, and the second common electrode 3 are located in different layers, all of which are equivalent to slit electrodes, and the first common electrode 2 and the second common electrode 3 are located at a distance from the pixel electrode 5.
- the pixel electrode 5 is located on the base substrate 1, and the layer of the first common electrode 2 is located between the layer where the pixel electrode 5 and the second common electrode 3 are located, the first common electrode 2 and the pixel electrode 5 and the second common electrode. 3 are respectively separated by insulating layers 8 and 8', and a passivation layer 7 is further formed on the second common electrode 3.
- FIG. 11 is a schematic structural diagram of another example of an array substrate provided by the embodiment.
- the pixel electrode 5, the first common electrode 2, and the second common electrode 3 are located in different layers, all of which are equivalent to slit electrodes, and the first common electrode 2 and the second common electrode 3
- the first common electrode 2 and the second common electrode 3 respectively form a multi-dimensional electric field with the pixel electrode 5, and a multi-dimensional electric field is also formed between the first common electrode 2 and the second common electrode 3.
- the effect achieved by the array substrate is substantially the same as that achieved by the array substrate shown in FIG. 9, and details are not described herein again.
- the projection between the first strip electrode of the adjacent first common electrode 2 and the second strip electrode of the second common electrode 3 on the base substrate 1 is larger than the pixel electrode 5
- the first strip electrode of the first common electrode 2 and the third strip electrode of the pixel electrode 5 have a distance of 0 to 0.6 ⁇ m in a direction parallel to the array substrate.
- the second strip electrode of the second common electrode 5 and the third strip electrode of the pixel electrode 5 have a distance of 0 to 0.6 ⁇ m in a direction parallel to the array substrate.
- the first strip electrode of the first common electrode 2 and the third strip electrode of the pixel electrode 5 are in a direction parallel to the array substrate and the second strip electrode of the second common electrode 3 and the third strip of the pixel electrode 5
- the electrodes are equidistant in a direction parallel to the array substrate.
- the widths of the first strip electrode, the second strip electrode and the third strip electrode are respectively 2 ⁇ 2.6 ⁇ .
- FIG. 12 is a schematic structural diagram of an example of an array substrate according to an embodiment of the present invention.
- the array substrate includes a pixel electrode 5 (which is a plate electrode) formed on the substrate 1 .
- the common electrodes 2, 3 (which are slit-shaped electrodes), wherein the common electrode comprises: a first common electrode 2 and a second common electrode 3 for respectively connecting different signal lines, the first common electrode 2 being connected to the first common
- the second common electrode 3 is connected to the second common electrode line.
- the first common electrode 2 and the second common electrode 3 are slit electrodes, and are alternately disposed.
- the common electrode and the pixel electrode 5 are separated by an insulating layer 9 . And for forming a multi-dimensional electric field with the pixel electrode 5, respectively.
- the surfaces of the first common electrode 2 and the second common electrode 3 also cover the passivation layer 7.
- the pixel electrode 5 is a plate electrode formed on the base substrate 1, and the first common electrode 2 and the second common electrode 3 are both located above the pixel electrode 5.
- the first common electrode 2 and the second common electrode 3 are distributed in the same layer and are uniform It is formed above the insulating layer 9.
- a multi-dimensional electric field is formed between the pixel electrode 5 and the first common electrode 2
- a multi-dimensional electric field is formed between the pixel electrode 5 and the second common electrode 3
- a transverse electric field is also formed between the first common electrode 2 and the second common electrode 3.
- FIG. 13 a schematic structural diagram of an example of an array substrate according to an embodiment of the present invention is provided.
- the first common electrode 2 and the second common electrode 3 are distributed in different layers with respect to the array substrate in FIG. 12 .
- the first common electrode 2 and the second common electrode 3 are slit electrodes, and the pixel electrode 5 is a plate electrode.
- the pixel electrode 5 is spaced apart from the first common electrode 2 by an insulating layer 10, and the first common electrode 2 and the second common electrode 3 are separated by an insulating layer 10'.
- a passivation layer 7 is also overlaid on the second common electrode 3.
- a multi-dimensional electric field is formed between the pixel electrode 5 and the first common electrode 2
- a multi-dimensional electric field is formed between the pixel electrode 5 and the second common electrode 3
- the first common electrode 2 and the second common electrode are formed.
- a multi-dimensional electric field is also formed between the three, thereby enhancing the multi-dimensional electric field, the superposition of a plurality of multi-dimensional electric fields in the same layer and different layers, so that the liquid crystal molecules above the pixel electrode 5 are sufficiently horizontally rotated to improve the transmittance.
- the array substrate in FIG. 12 and FIG. 13 is similar in operation to the array substrate of FIG. 4 in the first embodiment, and similar effects can be achieved, and are not described herein again.
- a schematic structural diagram of an example of a liquid crystal display device according to an embodiment of the present invention includes: a liquid crystal layer 15 , a color filter substrate 16 , and any of the above embodiments.
- the array substrate A schematic diagram of the light transmittance simulation of the liquid crystal display device is shown in Fig. 5, Fig. 8, or Fig. 10.
- the display device may be: a product or a component having a display function such as a liquid crystal panel, an electronic paper, a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator, and the like.
- the embodiment of the invention further provides a driving method of the array substrate. As shown in FIG. 15, the method includes:
- Step S401 applying a first common voltage to the first common electrode through the first common electrode line;
- Step S402 applying a second common voltage to the second common electrode through the second common electrode line, the second common voltage and the first A common voltage is different.
- the polarities of the first common electrode and the second common electrode are different, that is, the voltage polarity of the first common electrode is positive, and the voltage polarity of the second common electrode is negative (or vice versa).
- the voltage of the pixel electrode may be between the first common electrode and the second common electrode voltage.
- the voltages of the first common electrode and the second common electrode (V ⁇ ml and V ⁇ m2 ) are equal in absolute value, the voltage polarity of the first common electrode is positive, and the voltage polarity of the second common electrode is negative, the pixel electrode
- I Vpixel -
- the first common electrode and the second common electrode respectively form a multi-dimensional electric field with the pixel electrode, so that the liquid crystal molecules above the pixel electrode rotate horizontally sufficiently, Increased transmission rate.
- the present invention provides an array substrate, a driving method thereof, and a display device.
- Two common electrodes that is, a first common electrode and a second common electrode, a first common electrode edge, a second common electrode edge, and a first electrode are disposed on the array substrate.
- An electric field is generated between the common electrode and the second common electrode, and a multi-dimensional electric field is generated between the first common electrode and the pixel electrode and the second common electrode and the pixel electrode, and the multiple electric fields are superimposed together, so that the liquid crystal molecules in the region directly between the electrodes and the electrodes are easier. Driven, thereby increasing the efficiency of the liquid crystal and increasing the transmittance.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170153468A1 (en) * | 2015-11-27 | 2017-06-01 | Innolux Corporation | Liquid crystal display device |
Families Citing this family (14)
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WO2023216144A1 (zh) * | 2022-05-11 | 2023-11-16 | 京东方科技集团股份有限公司 | 显示面板和显示装置 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20010043303A1 (en) * | 2000-05-18 | 2001-11-22 | Nec Corporation | Liquid crystal display |
US20040263749A1 (en) * | 2003-04-19 | 2004-12-30 | Lg.Philips Lcd Co., Ltd. | In-plane switching mode liquid crystal display device and method of manufacturing the same |
CN101196664A (zh) * | 2006-12-04 | 2008-06-11 | 三星电子株式会社 | 液晶显示面板 |
CN102749767A (zh) * | 2012-06-19 | 2012-10-24 | 京东方科技集团股份有限公司 | 一种蓝相液晶显示面板及蓝相液晶显示装置 |
CN102955301A (zh) * | 2011-08-19 | 2013-03-06 | 乐金显示有限公司 | 用于液晶显示装置的阵列基板及其制造方法 |
CN103018986A (zh) * | 2012-11-27 | 2013-04-03 | 京东方科技集团股份有限公司 | 阵列基板及其制备和驱动方法、液晶显示面板 |
CN103163704A (zh) * | 2013-01-28 | 2013-06-19 | 合肥京东方光电科技有限公司 | 像素结构、阵列基板及其制造方法 |
CN103488008A (zh) * | 2013-10-09 | 2014-01-01 | 京东方科技集团股份有限公司 | 阵列基板及其驱动方法、显示装置 |
CN203519981U (zh) * | 2013-10-09 | 2014-04-02 | 京东方科技集团股份有限公司 | 阵列基板及显示装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100595453B1 (ko) * | 2003-11-29 | 2006-06-30 | 엘지.필립스 엘시디 주식회사 | 수평전계방식 액정표시소자 |
CN102169259B (zh) * | 2010-12-28 | 2014-04-16 | 昆山龙腾光电有限公司 | 薄膜晶体管阵列基板及液晶显示装置 |
CN102629587A (zh) * | 2011-11-24 | 2012-08-08 | 京东方科技集团股份有限公司 | 阵列基板及其制作方法、显示装置 |
CN102629042A (zh) * | 2012-03-02 | 2012-08-08 | 北京京东方光电科技有限公司 | 一种tft-lcd阵列基板及显示装置 |
JP5888557B2 (ja) * | 2012-03-14 | 2016-03-22 | Nltテクノロジー株式会社 | 液晶表示装置 |
CN102621757B (zh) * | 2012-04-06 | 2014-07-02 | 友达光电(苏州)有限公司 | 像素结构及显示面板 |
CN102981320A (zh) | 2012-11-13 | 2013-03-20 | 京东方科技集团股份有限公司 | 阵列基板、阵列基板制备方法及显示器件 |
CN103197480B (zh) * | 2013-03-22 | 2015-07-01 | 京东方科技集团股份有限公司 | 阵列基板及其制作方法、显示面板 |
CN103454804B (zh) * | 2013-08-29 | 2015-07-01 | 京东方科技集团股份有限公司 | 液晶显示面板、液晶显示器及其制备方法 |
-
2013
- 2013-10-09 CN CN201310467672.9A patent/CN103488008B/zh active Active
-
2014
- 2014-07-30 WO PCT/CN2014/083352 patent/WO2015051663A1/zh active Application Filing
- 2014-07-30 US US14/429,105 patent/US9436044B2/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20010043303A1 (en) * | 2000-05-18 | 2001-11-22 | Nec Corporation | Liquid crystal display |
US20040263749A1 (en) * | 2003-04-19 | 2004-12-30 | Lg.Philips Lcd Co., Ltd. | In-plane switching mode liquid crystal display device and method of manufacturing the same |
CN101196664A (zh) * | 2006-12-04 | 2008-06-11 | 三星电子株式会社 | 液晶显示面板 |
CN102955301A (zh) * | 2011-08-19 | 2013-03-06 | 乐金显示有限公司 | 用于液晶显示装置的阵列基板及其制造方法 |
CN102749767A (zh) * | 2012-06-19 | 2012-10-24 | 京东方科技集团股份有限公司 | 一种蓝相液晶显示面板及蓝相液晶显示装置 |
CN103018986A (zh) * | 2012-11-27 | 2013-04-03 | 京东方科技集团股份有限公司 | 阵列基板及其制备和驱动方法、液晶显示面板 |
CN103163704A (zh) * | 2013-01-28 | 2013-06-19 | 合肥京东方光电科技有限公司 | 像素结构、阵列基板及其制造方法 |
CN103488008A (zh) * | 2013-10-09 | 2014-01-01 | 京东方科技集团股份有限公司 | 阵列基板及其驱动方法、显示装置 |
CN203519981U (zh) * | 2013-10-09 | 2014-04-02 | 京东方科技集团股份有限公司 | 阵列基板及显示装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170153468A1 (en) * | 2015-11-27 | 2017-06-01 | Innolux Corporation | Liquid crystal display device |
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