WO2015085698A1 - 显示装置 - Google Patents
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- WO2015085698A1 WO2015085698A1 PCT/CN2014/076233 CN2014076233W WO2015085698A1 WO 2015085698 A1 WO2015085698 A1 WO 2015085698A1 CN 2014076233 W CN2014076233 W CN 2014076233W WO 2015085698 A1 WO2015085698 A1 WO 2015085698A1
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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
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
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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
- 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
- G02F1/133345—Insulating layers
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133514—Colour filters
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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
- G02F1/136—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
- 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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
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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
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13398—Spacer materials; Spacer properties
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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
- 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
- G02F1/136222—Colour filters incorporated in the active matrix substrate
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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
- G02F2201/121—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 electrode common or background
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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
- G02F2202/00—Materials and properties
- G02F2202/16—Materials and properties conductive
Definitions
- the present invention relates to the field of display, and in particular, to a display device. Background technique
- the large storage capacitor Cst will affect the charging rate, so Cst needs to be designed to be smaller; but it is driven by low frequency (below 30Hz, usually 10Hz, 5Hz).
- VHR voltage holding ratio
- the voltage holding ratio depends on the size of Cst. If Cst is too small, VHR cannot maintain a normal value, so a large Cst is required for low frequency driving. For example, if the Csti ⁇ of a pixel at 60 Hz is 1 , then a low frequency drive of 6 Hz (ie, the drive frequency becomes 1/10 of the original) will require approximately 10 times Cst.
- the pixels are generally designed for different driving frequencies. Specifically, in order to make the charging rate meet the design requirements during high frequency driving, a small pixel electrode is designed to reduce Cst; and in low frequency driving, the pixel electrode is designed to be large to ensure a larger Cst, but the disadvantage is that the high frequency When driving, the pixel electrode is small, and the aperture ratio is also reduced accordingly.
- the structure of a novel ADS mode display device is as shown in FIG. 1 .
- the color film substrate 10 and the ADS array substrate 20 are paired.
- the color filter substrate 10 includes: a substrate 11 , a color film layer disposed on the substrate 11 , and a common Electrode 13;
- the ADS array substrate 20 includes a substrate 21, a pixel electrode 22 disposed on the substrate 21, a pixel electrode 22 being a slit electrode, and a common electrode 13 being a plate electrode.
- the new ADS mode shown in Figure 1 has a small Cst, and has an advantage in charging rate design when driving at high frequencies, but it is also not suitable for low frequency driving because Cst is small.
- the AD S (Advanced-Super Dimensional Switching) mode described above refers to an advanced super-dimensional field switching mode, referred to as ADS.
- the principle is: through the same plane pixel electrode or public
- the parallel electric field generated by the edge of the common electrode and the longitudinal electric field generated between the pixel electrode and the common electrode form a multi-dimensional electric field, so that the liquid crystal molecules in the liquid crystal cell can be rotated, thereby improving the working efficiency of the planar orientation liquid crystal and increasing the light transmission efficiency.
- Embodiments of the present invention provide a display device capable of realizing low frequency (low standing wave) driving while achieving high frequency driving without causing a reduction in aperture ratio due to a guaranteed charging rate.
- the embodiment of the present invention provides a display device, including: a first reverse and a second substrate opposite to each other, the first reverse includes: a first electrode
- the second substrate includes: a second electrode layer
- the first substrate further includes: a third electrode layer disposed on a side of the first electrode layer away from the second substrate, and An insulating layer is interposed between the third electrode layer and the first electrode layer; and the third electrode layer is electrically connected to the second electrode layer.
- a switch is disposed between the third electrode layer and the second electrode layer, and the switch is turned off when the display device performs high frequency driving.
- the first substrate is a color film substrate
- the insulating layer is a color film layer
- the color film layer includes: a black matrix, and a color block separated by the black matrix.
- the display device further includes a spacer having conductivity, and the third electrode layer is electrically connected to the second electrode layer through the spacer.
- the first reverse is provided with a via hole penetrating the first electrode layer and the insulating layer, and the spacer is connected to the third electrode layer through the via hole.
- the second electrode layer is provided with a slit electrode.
- the second electrode layer is a pixel electrode layer, and the slit electrode is a pixel electrode.
- the second substrate is further provided with: a thin film transistor connected to the pixel electrode; The first electrode layer is connected to a drain of the thin film transistor through the spacer.
- the first electrode layer, the second electrode layer and the second electrode layer are all transparent conductive films.
- the total thickness of the first electrode layer, the second electrode layer, and the third electrode layer is less than 1000 angstroms.
- the first and second electrode layers for generating the driving electric field are respectively located on the color film and the array plate, and the distance is relatively long, and the Cst is relatively small, which is suitable for high frequency driving; and the display provided by the embodiment of the present invention
- the device is provided with a first electrode layer and a third electrode layer via an insulating layer on the first substrate; and electrically connecting the third electrode layer away from the second difference to the second electrode layer on the second difference
- the second electrode layer on the second opposite side forms a first capacitance Cist with the first electrode layer
- the first electrode layer and the third electrode layer form a second capacitance C2st
- the storage capacitance Cst of the display device is actually Clst+C2st.
- the display device provided in this embodiment has a large storage capacitance and can be adapted to low frequency driving as compared with the prior art. Further, at the time of high frequency driving, the electrical connection between the third electrode layer 33 and the second electrode layer 42 can be broken, thereby reducing the storage capacitance Cst to secure the charging rate. Since Cst is not reduced by using a smaller pixel electrode, the aperture ratio is not reduced at the time of high frequency driving.
- FIG. 1 is a schematic structural view of a conventional ADS mode display device
- FIG. 2 is a schematic structural diagram 1 of a display device according to an embodiment of the present invention.
- FIG. 3 is a schematic structural diagram 2 of a display device according to an embodiment of the present invention.
- the first, second, etc. are used to classify similar items, and the first and second words are not limited in number, and those skilled in the art according to the present disclosure disclose The apparently similar variations or related extensions of the present invention are within the scope of the present invention.
- the display device includes: a first anti-30 and a second anti-40 opposite to each other, and the first photo-reverse 30 includes: a first electrode layer 32,
- the second electrode 40 includes: a second electrode layer 42;
- the first substrate 30 further includes: a third electrode layer 33 disposed on a side of the first electrode layer 32 away from the second substrate 40 (ie, the first electrode layer 32 The upper layer), and the insulating layer 34 is interposed between the third electrode layer 33 and the first electrode layer 32; the third electrode layer 33 is electrically connected to the second electrode layer 42.
- the first and second electrode layers for generating the driving electric field are respectively located on the color film and the array plate, and the distance is relatively long, and the Cst is relatively small, which is suitable for high frequency driving; and the display provided by the embodiment of the present invention
- the first electrode layer 32 and the third electrode layer 33 separated by the insulating layer 34 are disposed on the first reverse 30; and the third electrode layer 33 away from the second substrate 40 is further electrically connected to the second electrode layer 42.
- the second electrode layer 42 on the second reverse 40 forms a first capacitance Cist with the first electrode layer 32, the first electrode layer 32 and the third electrode layer 33 form a second capacitance C2st, and the storage capacitor Cst of the display device is actually Clst+C2st . Therefore, compared with the prior art, the display device provided by the embodiment has a large storage capacity and is suitable for low frequency driving.
- a small pixel electrode is required to reduce the storage capacitor Cst, but the disadvantage is that the pixel electrode is small at the high frequency driving, and the aperture ratio is correspondingly reduced. small.
- the electrical connection between the third electrode layer 33 and the second electrode layer 42 can be disconnected, thereby reducing the storage capacitor Cst to ensure the charging rate, and the aperture ratio is not It will be reduced accordingly.
- a control switch (not shown) may be provided between the third electrode layer 33 and the second electrode layer 42 for the entire display device to switch between the high frequency drive and the low frequency drive. The control switch is turned off or closed based on the control signal to change the storage capacitor Cst while the aperture ratio does not change.
- the first substrate 30 is a color film substrate
- the insulating layer 34 is a color film layer.
- the color film layer is disposed between the first electrode layer 32 and the third electrode layer 33, and the first electrode layer 32 and the third layer are used as the insulating layer.
- the electrode layer 33 is separated; of course, the color film layer and the insulating layer may be separately provided.
- the first electrode layer 32, the insulating layer and the third electrode layer 33 are sequentially disposed to form a sandwich type sandwich structure, and the color film layer 2 is located in the interlayer. Above or below the structure.
- the color film layer may generally include: a black matrix, and a color block separated by a black matrix.
- a black matrix For the common RGB (red/green/blue) color mixing scheme, one pixel area generally includes R/G B (red/green/blue) three color block blocks.
- R/G B red/green/blue
- the inventive solution can also be used for other color mixing schemes, such as RGBY (red/green/blue/yellow), RGBW (red/green/blue/white) color mixing. Program.
- the first electrode layer 32 on the first substrate 30 is a common electrode layer, and a common electrode of a plate type is disposed;
- the second substrate 40 is an array H.
- the second electrode layer 42 on the second substrate 40 is electrically connected to the third electrode layer 33 on the first reverse 30
- Each of the two is a pixel electrode layer, wherein the second electrode layer 42 is provided with a slit-shaped pixel electrode, and the third electrode layer 33 is provided with a plate-type pixel electrode.
- the structure of the color filter substrate is improved, and a transparent conductive film is further formed in the structure of the color film layer + the transparent conductive film, and the transparent conductive film (ie, the third electrode layer) and the array substrate are added.
- the pixel electrode layers are electrically connected to increase the storage capacitance of the display device, which is suitable for low frequency driving.
- the implementation of the third electrode layer 33 and the second electrode layer 42 is not limited in the embodiment of the present invention, and may be any implementation well known to those skilled in the art.
- the third electrode layer 33 is connected to the second electrode layer 42 through a spacer having conductivity, and the spacer is disposed at the first and second counter 40 Between, used to maintain the spacing between the first _ ⁇ ⁇ anti 30 and the second reverse 40.
- the first substrate 30 is provided with a via 35 penetrating through the first electrode layer 32 and the insulating layer 34 (such as a color film layer), and the spacer 50 One end is connected to the third electrode layer 33 through the via hole 35;
- the second substrate 40 is provided with a thin film transistor connected to the pixel electrode (the second electrode layer 42 is a pixel electrode layer), and a drain is disposed above the drain of the thin film transistor
- the via 44, the other end of the spacer 50 is connected to the drain of the thin film transistor through the drain via 44.
- the spacer 50 has conductivity, thereby connecting the third electrode layer 33 and the pixel electrode, and the pixel electrode on the second substrate and the third electrode layer 33 form a first capacitance Cist, the first electrode layer 32 and the first electrode layer 32
- the three electrode layer 33 forms a second capacitor
- the storage capacitance of the display device in the embodiment is increased to Clst+C2st, which is suitable for low frequency driving.
- the first electrode layer 32, the second electrode layer 42, and the third electrode layer 33 are all transparent conductive films.
- Common transparent conductive films are: indium tin oxide (ITO), zinc oxide (indium tin oxide). ⁇ ), tin oxide (Sn02), zinc oxide doped with aluminum (AZO), and FTO (tin oxide doped with fluorine).
- a layer electrode layer, and the third electrode layer is additionally added to the first substrate in the embodiment of the present invention. Therefore, it is necessary to reduce the thickness of each electrode layer so that the transmittance of the entire display device is not increased by an additional amount. The three electrode layer is lowered.
- the thickness of the electrode layer is generally about 400 angstroms when the plate electrode is formed in the prior art, and the thickness of the electrode layer is about 600 angstroms when the slit electrode is formed. Therefore, the total thickness of the first electrode layer, the second electrode layer and the third electrode layer in this embodiment is less than 1000 angstroms, and generally the transmittance of the entire display device is not lowered.
- the display device of the embodiment of the present invention has a large storage capacitor and is suitable for low-frequency driving. Moreover, when the high-frequency driving is implemented, the aperture ratio is not reduced in order to ensure the charging rate.
- the display device may be: a liquid crystal panel, an electronic paper, an OLED panel, a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigation device, and the like, or any display product or component.
- the method for preparing the display device is substantially the same as the prior art, and includes: a first counter process; a second substrate process; and a first substrate and a second substrate pair process, except that the first process is increased by one
- the process of forming a transparent conductive film is specifically as follows, and includes:
- Step 1 forming a third electrode layer on the substrate
- Step 2 forming an insulating layer on the substrate provided with the third electrode layer;
- Step 3 forming a first electrode layer on the substrate provided with the third electrode layer and the insulating layer, and forming a via hole through the patterning process, the via hole penetrating the first electrode layer and the insulating layer.
- a transparent conductive film is further formed in the structure of the color film layer + the transparent conductive film, and a transparent conductive film (ie, the third electrode layer) is added by using the conductive spacer. Connected to the second electrode layer of the second substrate. Unlike the existing design concept, this embodiment focuses on the low frequency drive from the beginning of the design, and can simultaneously satisfy the low frequency driving and the high frequency driving, and does not reduce the aperture ratio in the case of high frequency driving.
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/422,749 US9804453B2 (en) | 2013-12-10 | 2014-04-25 | Display device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310673600.XA CN103676356B (zh) | 2013-12-10 | 2013-12-10 | 显示装置 |
| CN201310673600.X | 2013-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
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| CN103676356B (zh) * | 2013-12-10 | 2016-04-27 | 京东方科技集团股份有限公司 | 显示装置 |
| CN104298034B (zh) * | 2014-09-22 | 2018-07-17 | 京东方科技集团股份有限公司 | 一种显示面板 |
| CN113064305A (zh) * | 2021-05-08 | 2021-07-02 | 厦门技师学院(厦门市高级技工学校、厦门市高技能人才公共实训服务中心、厦门市劳动保护宣传教育中心) | 一种显示面板 |
| CN114371563B (zh) * | 2021-12-23 | 2023-10-27 | 长沙惠科光电有限公司 | 显示面板及显示面板的制备方法 |
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| CN101997004A (zh) * | 2009-08-07 | 2011-03-30 | 株式会社半导体能源研究所 | 半导体器件及其制造方法 |
| US20110151618A1 (en) * | 2009-12-18 | 2011-06-23 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and manufacturing method thereof |
| CN202631914U (zh) * | 2012-06-11 | 2012-12-26 | 京东方科技集团股份有限公司 | 一种阵列基板及显示装置 |
| CN103365005A (zh) * | 2012-03-30 | 2013-10-23 | 群康科技(深圳)有限公司 | 阵列基板结构、阵列基板结构的制造方法与显示面板 |
| CN103676356A (zh) * | 2013-12-10 | 2014-03-26 | 京东方科技集团股份有限公司 | 显示装置 |
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| WO2008139656A1 (ja) * | 2007-05-11 | 2008-11-20 | Sharp Kabushiki Kaisha | 液晶表示装置 |
| KR100920483B1 (ko) * | 2007-07-20 | 2009-10-08 | 엘지디스플레이 주식회사 | 액정표시장치용 어레이 기판 및 그 제조방법 |
| TWI371619B (en) * | 2008-08-13 | 2012-09-01 | Wintek Corp | Fringe field switch lcd |
| RU2011120013A (ru) * | 2008-11-19 | 2012-12-27 | Шарп Кабушики Каиша | Плата активной матрицы и способ ее производства, устройство и панель жидкокристаллического дисплея, способ производства и управления панелью жидкокристаллического дисплея |
| US8355109B2 (en) * | 2009-11-24 | 2013-01-15 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device comprising a liquid crystal material exhibiting a blue phase and a structure body projecting into the liquid crystal layer |
| WO2012073798A1 (en) * | 2010-11-30 | 2012-06-07 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device |
| JP5578132B2 (ja) * | 2011-04-12 | 2014-08-27 | 凸版印刷株式会社 | 液晶表示装置 |
| KR102004956B1 (ko) * | 2012-08-02 | 2019-07-30 | 삼성디스플레이 주식회사 | 표시 장치 |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997004A (zh) * | 2009-08-07 | 2011-03-30 | 株式会社半导体能源研究所 | 半导体器件及其制造方法 |
| US20110151618A1 (en) * | 2009-12-18 | 2011-06-23 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and manufacturing method thereof |
| CN103365005A (zh) * | 2012-03-30 | 2013-10-23 | 群康科技(深圳)有限公司 | 阵列基板结构、阵列基板结构的制造方法与显示面板 |
| CN202631914U (zh) * | 2012-06-11 | 2012-12-26 | 京东方科技集团股份有限公司 | 一种阵列基板及显示装置 |
| CN103676356A (zh) * | 2013-12-10 | 2014-03-26 | 京东方科技集团股份有限公司 | 显示装置 |
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| US9804453B2 (en) | 2017-10-31 |
| CN103676356A (zh) | 2014-03-26 |
| US20150370137A1 (en) | 2015-12-24 |
| CN103676356B (zh) | 2016-04-27 |
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