WO2019037627A1 - 液晶显示面板和液晶显示装置 - Google Patents

液晶显示面板和液晶显示装置 Download PDF

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Publication number
WO2019037627A1
WO2019037627A1 PCT/CN2018/100586 CN2018100586W WO2019037627A1 WO 2019037627 A1 WO2019037627 A1 WO 2019037627A1 CN 2018100586 W CN2018100586 W CN 2018100586W WO 2019037627 A1 WO2019037627 A1 WO 2019037627A1
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WIPO (PCT)
Prior art keywords
liquid crystal
substrate
crystal display
display panel
circuit
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PCT/CN2018/100586
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English (en)
French (fr)
Inventor
何怀亮
Original Assignee
惠科股份有限公司
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Application filed by 惠科股份有限公司 filed Critical 惠科股份有限公司
Priority to US16/337,542 priority Critical patent/US20190278146A1/en
Publication of WO2019037627A1 publication Critical patent/WO2019037627A1/zh

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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
    • G02F1/136286Wiring, e.g. gate line, drain line
    • 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
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • 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
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1339Gaskets; Spacers; Sealing of cells
    • G02F1/13392Gaskets; Spacers; Sealing of cells spacers dispersed on the cell substrate, e.g. spherical particles, microfibres
    • 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
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1339Gaskets; Spacers; Sealing of cells
    • G02F1/13394Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
    • 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
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1345Conductors connecting electrodes to cell terminals
    • 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
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1345Conductors connecting electrodes to cell terminals
    • G02F1/13454Drivers integrated on the active matrix substrate
    • 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
    • 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
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/133388Constructional arrangements; Manufacturing methods with constructional differences between the display region and the peripheral region
    • 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
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1339Gaskets; Spacers; Sealing of cells
    • G02F1/13396Spacers having different sizes

Definitions

  • the present application relates to the field of display, and in particular, to a liquid crystal display panel and a liquid crystal display device.
  • the liquid crystal display panel is divided into Gate driver design (gate driver design) and can be classified into SOC (System on chip) type and GOA (Gate driver on array) type.
  • the GOA type liquid crystal display panel has a narrower border with respect to the SOC type liquid crystal display panel. With the advancement of technology and people's higher requirements for visual effects, the narrow frame of liquid crystal display panels is the mainstream trend in the future. Therefore, the GOA type liquid crystal display panel is a more important application than the SOC type liquid crystal display panel.
  • LC Liquid Crystal
  • LC Liquid Crystal
  • the GOA circuit in the exemplary architecture is a liquid crystal molecule
  • the components in the GOA circuit are susceptible to the ionic polarization of the liquid crystal, causing direct current (DC) residual, thereby causing the bus line connected to the GOA circuit to be subjected to
  • DC direct current
  • the embodiment of the present application provides a liquid crystal display panel and a liquid crystal display device, which can improve the working stability of the GOA circuit.
  • a liquid crystal display panel in one aspect, includes: an array substrate including a driving circuit; a facing substrate disposed opposite to the array substrate; a sealant disposed between the array substrate and the opposite substrate, the array substrate, the The opposite substrate and the sealant together form an accommodating space, the accommodating space includes a liquid crystal region and a liquid crystal free region which are arranged side by side, the driving circuit is located in the liquid crystal free region; and a plurality of liquid crystal molecules are distributed. In the liquid crystal region.
  • the liquid crystal display panel further includes an isolation structure, the isolation structure is disposed above the driving circuit and spaced apart from the driving circuit, and the isolation structure is located in the liquid-free region.
  • the isolation structure is a plurality of spacers, and the plurality of spacers are fixedly connected to the opposite substrate, and extend from the opposite substrate to the driving circuit.
  • the plurality of spacer columns are photosensitive spacer columns.
  • the array substrate includes a pixel array circuit, the pixel array circuit is located in the liquid crystal region, and the driving circuit is connected to the pixel array circuit.
  • the driving circuit includes a gate driver on the array substrate, and a gate driver on the array substrate is connected to the pixel array circuit.
  • the driving circuit further includes a signal bus connected to the gate driver on the array substrate, wherein the signal bus is used to provide a clock signal to the gate driver on the array substrate .
  • the gate driver on the array substrate is located between the signal bus and the pixel array circuit.
  • the opposite substrate includes a filter layer, and the filter layer is located in the liquid crystal region.
  • the filter layer includes a red color resist, a green color resist, and a blue color resist.
  • the liquid crystal display panel further includes a plurality of second spacers, the plurality of second spacers are located in the liquid crystal region, and extend from the filter layer to the pixel array circuit, the second interval The post is used to maintain a suitable gap between the filter layer and the pixel array circuitry.
  • the filter layer includes a red color resist, a green color resist, and a blue color resist, and the red color resist, the green color resist, and the blue color resist are both separated from a second interval. Columns are set one by one.
  • the plurality of liquid crystal molecules are located between the filter layer and the pixel array circuit.
  • the liquid-free region surrounds the liquid crystal region
  • the liquid crystal display panel further includes an isolation structure in the liquid-free region and a plurality of second spacers in the liquid crystal region, the isolation structure Located above the driving circuit and spaced apart from the driving circuit, the plurality of second spacers extend from the filter layer toward the pixel array circuit.
  • the plurality of liquid crystal molecules are located between the filter layer and the pixel array circuit
  • the liquid crystal display panel further includes a plurality of second spacers, wherein the plurality of second spacers are located in the liquid crystal region
  • the self-filter layer extends toward the pixel array circuit, and the second spacer pillar is adjacent to the liquid crystal molecules.
  • a liquid crystal display device in another aspect, includes: a backlight module for providing backlight illumination; and a liquid crystal display panel.
  • the liquid crystal display panel includes: an array substrate including a driving circuit; a facing substrate disposed opposite to the array substrate; a sealant disposed between the array substrate and the opposite substrate, the array substrate, the The opposite substrate and the sealant together form an accommodating space, the accommodating space includes a liquid crystal region and a liquid crystal free region which are arranged side by side, the driving circuit is located in the liquid crystal free region; and a plurality of liquid crystal molecules are distributed. In the liquid crystal region.
  • the liquid crystal display panel further includes an isolation structure located in the liquid-free region, the isolation structure is located above the driving circuit and spaced apart from the driving circuit, the isolation structure The self-aligning substrate extends toward the driving circuit.
  • the opposite substrate includes a filter layer, the filter layer is located in the liquid crystal region, and the plurality of liquid crystal molecules are located between the filter layer and the pixel array circuit, the liquid crystal display
  • the panel further includes a plurality of second spacers, the plurality of second spacers being located in the liquid crystal region, extending from the filter layer to the pixel array circuit, the second spacers being adjacent to the liquid crystal molecules.
  • the no liquid crystal region surrounds the liquid crystal region.
  • a liquid crystal display device includes: a backlight module for providing backlight illumination; and a liquid crystal display panel.
  • the liquid crystal display panel includes: a first substrate having a display area and a peripheral area; a second substrate disposed opposite to the first substrate; and a pixel array circuit disposed on the first substrate and located in the display area; a driving circuit disposed on the first substrate and located in the peripheral region, the driving circuit connecting and driving the pixel array circuit; a liquid crystal layer disposed on the display area of the first substrate and the second Between the substrates, the liquid crystal layer includes a plurality of liquid crystal molecules, the pixel array circuit is configured to control an action of the plurality of liquid crystal molecules, and an isolation structure is disposed on the second substrate and corresponding to the peripheral region.
  • Is used for isolating the driving circuit from the liquid crystal layer and a sealant is disposed between the peripheral region of the first substrate and the second substrate, the array substrate, the opposite substrate, and the The sealant is enclosed in an accommodating space, and the liquid crystal layer and the isolation structure are both accommodated in the accommodating space.
  • the driving circuit is isolated from the liquid crystal molecules, and when the driving circuit is used to drive and control the liquid crystal molecules, the driving circuit can be prevented from being subjected to the liquid crystal ions.
  • the influence of polarization can avoid DC (DC) residual when the drive circuit is driven and controlled.
  • FIG. 1 is a schematic view showing a SOC type liquid crystal display panel
  • FIG. 2 is a schematic view showing a GOA type liquid crystal display panel
  • FIG. 3 is a schematic structural diagram of a GOA type liquid crystal display panel according to an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a liquid crystal display device according to an embodiment of the present application.
  • FIG. 1 it is a schematic diagram of a SOC type liquid crystal display panel, wherein the gate driver of the SOC type liquid crystal display panel is an ASIC (Application Specific Integrated Circuit), but it is difficult to make the liquid crystal display panel have an ASIC circuit. Narrow border effect.
  • ASIC Application Specific Integrated Circuit
  • FIG. 2 it is a schematic diagram of a GOA type liquid crystal display panel, and the gate driver adopts a GOA circuit, so that the liquid crystal display panel has a narrow frame effect.
  • liquid crystal molecules are filled between the upper and lower glass substrates, and the periphery is sealed with a sealing material, so that the GOA circuit is filled with liquid crystal molecules, which will cause components in the GOA circuit. It is susceptible to the polarization of the liquid crystal, which causes DC residual, so that the signal bus connected to the GOA circuit is affected by the coupling, which affects the normal operation of the GOA circuit, resulting in unstable operation of the GOA circuit.
  • the present embodiment provides a liquid crystal display panel 100 which can improve the operational stability of a gate driving circuit such as a GOA circuit.
  • the liquid crystal display panel 100 includes:
  • the first substrate 110 has a display area AA and a peripheral area PA;
  • the second substrate 120 is disposed opposite to the first substrate 110;
  • the pixel array circuit 130 is disposed on the first substrate 110 and located in the display area AA;
  • the driving circuit 140 is disposed on the first substrate 110 and located in the peripheral area PA, the driving circuit 140 is connected to the pixel array circuit 130 and used to drive the pixel array circuit 130;
  • the liquid crystal layer 150 is disposed between the first substrate 110 and the second substrate 120.
  • the liquid crystal layer 150 includes a plurality of liquid crystal molecules, and the pixel array circuit 130 is configured to control the actions of the plurality of liquid crystal molecules.
  • the isolation structure 160 is disposed on the second substrate 120 and faces the driving circuit 140 for isolating the driving circuit 140 from the liquid crystal layer 150 to form a liquid-free region over the driving circuit 140, or in the driving circuit 140 and the second substrate. Forming a liquid-free region between 120;
  • the sealant 190 is disposed in the peripheral area PA between the first substrate 110 and the second substrate 120 and disposed around the liquid crystal layer 150.
  • the driving circuit 140 is located between the sealant 190 and the display area AA.
  • the liquid crystal display panel includes a first substrate having a display area and a peripheral area, a second substrate disposed opposite to the first substrate, a pixel array circuit disposed on the first substrate and located in the display area, and a driving circuit disposed on the substrate On the first substrate and in the peripheral region, the driving circuit is connected to the pixel array circuit and used to drive the pixel array circuit; the liquid crystal layer is disposed between the first substrate and the second substrate, the liquid crystal layer includes a plurality of liquid crystal molecules, and the pixel array circuit is used for controlling An operation of the plurality of liquid crystal molecules; the isolation structure is disposed on the second substrate and facing the driving circuit for isolating the driving circuit from the liquid crystal layer; the sealant is disposed in the peripheral region between the first substrate and the second substrate and surrounding Liquid crystal layer.
  • the driving circuit is isolated from the liquid crystal layer, and when the driving circuit drives the pixel array circuit to control the liquid crystal molecules to operate the liquid crystal layer, the driving circuit can be prevented from being subjected to the liquid crystal.
  • the first substrate 110 has a display area AA and a peripheral area PA, wherein the display area AA can display text, pictures, videos, music, web pages, and the like, and the peripheral area PA can generally be set to drive the display area AA for normal operation.
  • the driving circuit and the signal bus and the like, the peripheral area PA is typically a surrounding display area AA.
  • the first substrate 110 and the second substrate 120 are generally light-transmitting material substrates such as a glass substrate or a plastic substrate.
  • the second substrate 120 is disposed opposite to the first substrate 110, and a corresponding circuit may be disposed between the first substrate 110 and the second substrate 120.
  • the pixel array circuit 130 is disposed on the first substrate 110 and located in the display area AA.
  • the pixel array circuit 130 can generate a control signal to control the display of the display panel under the driving control of the driving circuit 140.
  • pixel array circuit 130 includes an array of active switching elements and an array of pixel electrodes that connect an array of active switching elements.
  • the driving circuit 140 is disposed on the first substrate 110 and located in the peripheral area PA.
  • the driving circuit 140 is connected to the pixel array circuit 130 and used to drive the pixel array circuit 130.
  • the driving circuit 140 in this embodiment includes a GOA circuit 141.
  • the GOA circuit 141 is disposed on the first substrate 110 and located in the peripheral area PA.
  • the GOA circuit 141 is connected to the pixel array circuit 130. And used to drive the pixel array circuit 130.
  • the isolation structure 160 faces the GOA circuit 141 and isolates the GOA circuit 141 from the liquid crystal layer 150, thereby forming a liquid-free region between the GOA circuit 141 and the second substrate 120.
  • the GOA circuit 141 typically includes cascaded shift registers and each stage shift register is coupled to a scan line within the display area AA.
  • the isolation structure 160 isolates the GOA circuit 141 from the liquid crystal layer 150, the ion polarization in the liquid crystal layer 150 does not affect the GOA circuit 141, so that the liquid crystal layer 150 does not affect the operation of the GOA circuit 141, thereby improving the GOA.
  • the stability of the operation of the circuit 141 is improved.
  • the pixel array circuit 130 includes a thin film transistor array and a transparent ITO pixel electrode array.
  • the thin film transistor array includes a plurality of thin film transistors, and the GOA circuit 141 supplies a voltage to the gates of the plurality of thin film transistors.
  • the thin film transistors may be a-Si (non-silicon) thin film transistors or Poly-Si (polysilicon) thin film transistors, wherein the Poly-Si thin film transistors may be formed by techniques such as LTPS (Low Temperature Poly-Silicon).
  • the driving circuit 140 further includes a signal bus 142 disposed on the first substrate 110 and located in the peripheral area PA.
  • the signal bus 142 is connected to the GOA circuit 141 and located in the GOA circuit 141 away from the display area AA. side.
  • the isolation structure 160 also faces the signal bus 142 and isolates the signal bus 142 from the liquid crystal layer 150 to form a liquid-free region between the signal bus 142 and the second substrate 120.
  • Signal bus 142 is used, for example, to provide a clock signal to GOA circuit 141.
  • isolation structure 160 isolates signal bus 142 from liquid crystal layer 150, signal bus 142 is not affected by ion polarization in liquid crystal layer 150. Since both the GOA circuit 141 and the signal bus 142 are not affected by the ion polarization in the liquid crystal layer 150, the signal bus 142 is not affected by the coupling, and DC residual is avoided.
  • the isolation structure 160 includes a plurality of photosensitive spacers 161, and the photosensitive spacers 161 are evenly distributed on the second substrate 120 and fixedly connected to the second substrate 120.
  • the photosensitive spacer 161 is usually formed on the second substrate 120 by photolithography by photolithography, and can effectively isolate liquid crystal molecules when formed at a proper density above the driving circuit 140.
  • the examples are not limited to this one material, and may be other suitable materials.
  • the photosensitive spacers 161 are disposed equidistantly, and the photosensitive spacers 161 are both directed toward the GOA circuit 141 and the signal bus 142 such that the GOA circuit 141 and the signal bus 142 are isolated from the liquid crystal layer 150.
  • the driving circuits 140 are respectively located on both sides of the display area AA, and may be located in the left peripheral area PA and the right side surrounding area PA.
  • the left peripheral area PA and the right peripheral area PA are both provided with a GOA circuit 141 and a signal bus 142.
  • the GOA circuit 141 and the right peripheral area PA in the left peripheral area PA are The GOA circuits 141 are located on opposite sides of the pixel array circuit 130, that is, oppositely disposed. It should be noted that, in practical applications, in order to meet special needs, a plurality of GOA circuits 141 may be disposed on the same side of the pixel array circuit 130.
  • the liquid crystal display panel 100 further includes:
  • the filter layer 170, the filter layer 170 is disposed on the second substrate 120 and corresponds to the display area AA;
  • a plurality of dispersed photosensitive spacers 180, and a plurality of dispersed photosensitive spacers 180 are disposed, for example, between the pixel array circuit 130 and the filter layer 170 in the display area AA for maintaining the filter layer 170 and the pixel array circuit 130.
  • the appropriate gap between them or the thickness of the liquid crystal cell.
  • the isolation structure 160 also employs the photosensitive spacer 161
  • it can be formed in the same process as the photosensitive spacer 180 using the same material, so that the manufacturing cost of the isolation structure 160 can be reduced.
  • the distribution density of the photosensitive spacers 161 for forming the isolation structure 160 in the peripheral area PA is larger than the distribution of the photosensitive spacers 180 for maintaining the cell gap in the display area AA. density.
  • the photosensitive spacer 180 corresponding to the display area AA is a second spacer.
  • the second spacer pillar extends from the filter layer 170 toward the pixel array circuit 130 and is adjacent to the liquid crystal molecules.
  • the filter layer 170 includes a plurality of color resists, and the plurality of color resists may be red (R), green (G), and blue (B) color resists, and the filter layer 170 is disposed on the second substrate 120.
  • the filter layer 170 may also be disposed on the first substrate 110 such that the filter layer 170 is located between the liquid crystal layer 150 and an active switching element array such as a thin film transistor array.
  • the filter layer 170 can process the light. After the light generated by the pixel array circuit 130 is controlled to pass through the filter layer 170, the liquid crystal display panel can display corresponding contents, including fonts, pictures, animals, plants, and various colors of the corresponding colors. Color and so on.
  • a plurality of dispersed photosensitive spacers 180 have three or more, and a plurality of dispersed photosensitive spacers 180 are equally spaced.
  • the equally spaced photosensitive spacers 180 can stabilize the gap between the filter layer 170 and the pixel array circuit 130.
  • the filter layer 170 generally includes a red color resist, a green color resist, and a blue color resist (the letters R, G, and B in FIG. 3 respectively represent corresponding red colors).
  • the color resistance, the green color resistance, and the blue color resistance) therefore, the present embodiment sets a plurality of dispersed photosensitive spacers 180 to correspond one-to-one with the red color resist R, the green color resist G, and the blue color resist B.
  • the photosensitive spacer 180 can also be disposed only corresponding to the blue color resist R, and the red color resist R and The green color resist G does not correspond to the photosensitive spacer 180.
  • the present embodiment further provides a liquid crystal display device 300, as shown in FIG. 4, which includes a backlight module 200 and a liquid crystal display panel 100 as described above.
  • the backlight module 200 is used to provide backlight illumination to the liquid crystal display panel 100. .
  • liquid crystal display device 300 may also include other corresponding components such as a bezel, a power interface, a data interface, and the like.
  • the liquid crystal display device 300 can be various liquid crystal displays such as a television liquid crystal display, a computer liquid crystal display, and the like.
  • the liquid crystal display panel 100 includes: a first substrate having a display area and a peripheral area; a second substrate disposed opposite to the first substrate; and a pixel array circuit disposed on the first substrate and located in the display area; And disposed on the first substrate and located in the peripheral region, the driving circuit is connected to the pixel array circuit and used to drive the pixel array circuit; the liquid crystal layer is disposed between the first substrate and the second substrate, the liquid crystal layer includes a plurality of liquid crystal molecules, and the pixel array circuit An action for controlling a plurality of liquid crystal molecules; the isolation structure is disposed on the second substrate and facing the driving circuit for isolating the driving circuit from the liquid crystal layer.
  • the isolation circuit is provided in the liquid crystal display panel to isolate the driving circuit from the liquid crystal layer, and the pixel array circuit is used to control the liquid crystal by using the driving circuit.
  • the driving circuit can be prevented from being affected by the ion polarization of the liquid crystal layer, thereby avoiding direct current (DC) residual when the driving circuit drives the pixel array circuit, thereby further improving the display effect of the liquid crystal display device.
  • the driving circuit 140 includes a GOA circuit 141 as a gate driver.
  • the GOA circuit 141 is disposed on the first substrate 110 and located in the peripheral area PA.
  • the GOA circuit 141 is connected to the pixel array circuit 130 and used to drive the pixel array circuit 130. Accordingly, the isolation structure 160 faces the GOA circuit 141 and isolates the GOA circuit 141 from the liquid crystal layer 150 to form a liquid-free region between the GOA circuit 141 and the second substrate 120, or a liquid-free region is formed over the GOA circuit 141.
  • the isolation structure 160 isolates the GOA circuit 141 from the liquid crystal layer 150, the ion polarization in the liquid crystal layer 150 does not affect the GOA circuit 141, so that the liquid crystal layer 150 does not affect the operation of the GOA circuit 141, thereby improving the GOA.
  • the stability of the operation of the circuit 141 further enhances the display effect of the liquid crystal display device 300.
  • the driving circuit 140 further includes a signal bus 142 disposed on the first substrate 110 and located in the peripheral area PA.
  • the signal bus 142 is connected to the GOA circuit 141 and located in the GOA circuit 141 away from the display area AA. side.
  • the isolation structure 160 also faces the signal bus 142 and isolates the signal bus 142 from the liquid crystal layer 150. After isolation structure 160 isolates signal bus 142 from liquid crystal layer 150, signal bus 142 is not affected by ion polarization in liquid crystal layer 150. Since both the GOA circuit 141 and the signal bus 142 are not affected by the ion polarization in the liquid crystal layer 150, the signal bus 142 is not affected by the coupling, so that DC residual can be avoided.
  • the isolation structure 160 isolates the GOA circuit 141 and the signal bus 142 from the liquid crystal layer 150, thereby avoiding DC residual, thereby improving the display stability of the liquid crystal display device 300.
  • the liquid crystal display panel 100 included in the liquid crystal display device further includes:
  • the filter layer 170, the filter layer 170 is disposed on the second substrate 120 and corresponds to the display area AA;
  • a plurality of dispersed photosensitive spacers 180 are disposed between the pixel array circuit 130 and the filter layer 170 in the display area AA for maintaining the filter layer 170 and the pixel array circuit 130.
  • the isolation structure 160 also employs the photosensitive spacer 161, it can be formed in the same process as the photosensitive spacer 180 using the same material, so that the manufacturing cost of the isolation structure 160 can be reduced. It is worth mentioning that the distribution density of the photosensitive spacers 161 for forming the isolation structure 160 in the peripheral area PA is larger than the distribution of the photosensitive spacers 180 for maintaining the cell gap in the display area AA. density.
  • the photosensitive spacer 180 corresponding to the display area AA is a second spacer.
  • the second spacer pillar extends from the filter layer 170 toward the pixel array circuit 130 and is adjacent to the liquid crystal molecules.
  • the filter layer 170 includes a plurality of color resists, which may be red, green, and blue, and the filter layer 170 is disposed on the second substrate 120.
  • the filter layer 170 may be disposed on the first substrate 110, so that the filter layer 170 is located on the liquid crystal layer 150 and the active switching element array of the pixel array circuit 130, such as a thin film. Between transistor arrays.
  • the filter layer 170 can process the light. After the light generated by the pixel array circuit 130 is controlled to pass through the filter layer 170, the liquid crystal display panel 100 can display corresponding content, including fonts, pictures, animals, plants, and Kind of color, etc.
  • a plurality of dispersed photosensitive spacers 180 have three or more, and a plurality of dispersed photosensitive spacers 180 are equally spaced.
  • the equally spaced spacer posts 180 may stabilize the gap between the filter layer 170 and the pixel array circuit 130.
  • the filter layer 170 generally includes a red color resist, a green color resist, and a blue color resist (the letters R, G, and B in FIG. 3 respectively represent corresponding red colors).
  • the color resistance, the green color resistance, and the blue color resistance) therefore, the present embodiment sets a plurality of dispersed photosensitive spacers 180 to correspond one-to-one with the red color resist R, the green color resist G, and the blue color resist B.
  • the photosensitive spacer 180 can also be disposed only corresponding to the blue color resist R, and the red color resist R and The green color resist G does not correspond to the photosensitive spacer 180.
  • the liquid crystal display device 300 of the present embodiment can realize a narrow bezel by the GOA technique.
  • the isolation structure 160 of the foregoing embodiment of the present application is not limited to include a plurality of photosensitive spacers 161, which may also adopt spacers of other materials, and may even adopt other shapes of structures, as long as it can be realized.
  • the drive circuit and the liquid crystal layer are isolated to form a liquid crystal free region over the drive circuit.
  • the liquid crystal display panel 100 can be re-divided into components including an array substrate, a counter substrate, a liquid crystal layer 150, and a sealant 190.
  • the sealant 190 is located on the array substrate and the opposite substrate.
  • the accommodating space is formed together with the array substrate and the opposite substrate, and the liquid crystal layer 150 is located between the array substrate and the opposite substrate and located in the accommodating space.
  • the array substrate includes, for example, a first substrate 110, a pixel array circuit 130, and a driving circuit 140.
  • the opposite substrate includes a second substrate 120 and a filter layer 170.
  • the driving circuit 140 is located in the accommodating space without a liquid crystal region, and is isolated.
  • the non-liquid crystal region of the structure 160 located in the accommodating space is fixedly connected to the opposite substrate and faces the driving circuit 140.
  • the photosensitive spacer 180 is located in the display area AA where the liquid crystal layer 150 is located in the accommodating space.
  • the accommodating space may be divided into a liquid crystal region and a liquid crystal free region which are juxtaposed in a vertical direction of the pitch direction of the array substrate and the opposite substrate (that is, a horizontal direction in FIG. 3), and the absence A liquid crystal region surrounds and surrounds the liquid crystal region.
  • the isolation structure 160 is located in the liquid-free region and is disposed opposite to and spaced apart from the driving circuit 140.
  • the photosensitive spacer 180 is located in the liquid crystal region, and the liquid crystal layer 150 is located in the liquid crystal region.
  • the filter layer 170 can serve as a constituent part of the array substrate instead of a constituent part of the opposite substrate.

Abstract

一种液晶显示面板(100)和采用该种液晶显示面板(100)的液晶显示装置(300),液晶显示面板(100)包括:阵列基板,包括驱动电路(140);对向基板,与阵列基板相对设置;框胶(190),设置在阵列基板和对向基板之间且与阵列基板及对向基板共同围成一个容置空间,其中容置空间包括并列设置的液晶区和无液晶区;若干液晶分子,分布在液晶区;驱动电路(140)位于无液晶区。

Description

液晶显示面板和液晶显示装置 技术领域
本申请涉及显示领域,尤其涉及一种液晶显示面板和一种液晶显示装置。
背景技术
液晶显示面板以Gate driver design(栅极驱动器设计)来分,可以分为SOC(System on chip,片上系统)型和GOA(Gate driver on array,阵列基板上栅极驱动器)型两种。相对于SOC型液晶显示面板,GOA型液晶显示面板具有更窄的边框(border)。随着科技的进步以及人们对视觉效果的更高要求,液晶显示面板窄边框化是未来的主流趋势。因此,GOA型液晶显示面板相对于SOC型液晶显示面板是一种更为重要的应用。
在GOA型液晶显示面板的范例性的架构中,其上下玻璃基板之间填充LC(Liquid Crystal,液晶)分子且四周用密封材料密封,因此在GOA电路上方是布满液晶分子的。其中,液晶是一种高分子材料,因为其特殊的物理、化学、光学特性,被广泛应用在轻薄型的显示技术上。液晶具有特殊的光学性质,对电磁场敏感。由于范例性的架构中的GOA电路上方为液晶分子,因此GOA电路中的元器件易受液晶的离子极化影响,造成直流(DC)残留,从而使得连接GOA电路的信号总线(bus line)受到耦合(couple)影响,使得信号总线的负载受到影响,进而影响GOA电路的动作,造成GOA电路工作的不稳定。
发明内容
因此,本申请实施例提供一种液晶显示面板以及一种液晶显示装置,能够提升GOA电路的工作稳定性。
一方面,提供了一种液晶显示面板。所述液晶显示面板包括:阵列基板,包括驱动电路;对向基板,与所述阵列基板相对设置;框胶,设置在所述阵列基板和所述对向基板之间,所述阵列基板、所述对向基板及所述框胶共同围成 一个容置空间,所述容置空间包括并列设置的液晶区和无液晶区,所述驱动电路位于所述无液晶区;以及若干液晶分子,分布在所述液晶区。
在本申请的一个实施例中,液晶显示面板还包括隔离结构,所述隔离结构位于所述驱动电路的上方且与所述驱动电路间隔设置,所述隔离结构位于所述无液晶区。
在本申请的一个实施例中,所述隔离结构为若干间隔柱,所述若干间隔柱与所述对向基板固定连接,自所述对向基板向所述驱动电路延伸。
在本申请的一个实施例中,所述若干间隔柱为感光性间隔柱。
在本申请的一个实施例中,所述阵列基板包括像素阵列电路,所述像素阵列电路位于所述液晶区,所述驱动电路连接所述像素阵列电路。
在本申请的一个实施例中,所述驱动电路包括阵列基板上栅极驱动器,所述阵列基板上栅极驱动器连接所述像素阵列电路。
在本申请的一个实施例中,所述驱动电路还包括信号总线,所述信号总线连接所述阵列基板上栅极驱动器,所述信号总线用于向所述阵列基板上栅极驱动器提供时钟信号。
在本申请的一个实施例中,所述阵列基板上栅极驱动器位于信号总线和像素阵列电路之间。
在本申请的一个实施例中,所述对向基板包括滤光层,所述滤光层位于所述液晶区。
在本申请的一个实施例中,所述滤光层包括红色色阻、绿色色阻和蓝色色阻。
在本申请的一个实施例中,所述液晶显示面板还包括若干第二间隔柱,所述若干第二间隔柱位于所述液晶区,自滤光层向像素阵列电路延伸,所述第二间隔柱用于维持滤光层和像素阵列电路之间的适当间隙。
在本申请的一个实施例中,所述滤光层包括红色色阻、绿色色阻和蓝色色阻,所述红色色阻、所述绿色色阻和所述蓝色色阻均与一个第二间隔柱一一对 应设置。
在本申请的一个实施例中,所述若干液晶分子位于滤光层和像素阵列电路之间。
在本申请的一个实施例中,所述无液晶区包围环绕所述液晶区,所述液晶显示面板还包括位于无液晶区的隔离结构和位于液晶区的若干第二间隔柱,所述隔离结构位于所述驱动电路的上方且与所述驱动电路间隔设置,所述若干第二间隔柱自滤光层向像素阵列电路延伸。
在本申请的一个实施例中,所述若干液晶分子位于滤光层和像素阵列电路之间,所述液晶显示面板还包括若干第二间隔柱,所述若干第二间隔柱位于所述液晶区,自滤光层向像素阵列电路延伸,所述第二间隔柱与液晶分子相邻。
另一方面,提供了一种液晶显示装置。所述液晶显示装置包括:背光模组,用于提供背光照明;及液晶显示面板。所述液晶显示面板包括:阵列基板,包括驱动电路;对向基板,与所述阵列基板相对设置;框胶,设置在所述阵列基板和所述对向基板之间,所述阵列基板、所述对向基板及所述框胶共同围成一个容置空间,所述容置空间包括并列设置的液晶区和无液晶区,所述驱动电路位于所述无液晶区;以及若干液晶分子,分布在所述液晶区。
在本申请的一个实施例中,所述液晶显示面板还包括位于所述无液晶区的隔离结构,所述隔离结构位于所述驱动电路的上方且与所述驱动电路间隔设置,所述隔离结构自对向基板向驱动电路延伸。
在本申请的一个实施例中,所述对向基板包括滤光层,所述滤光层位于所述液晶区,所述若干液晶分子位于滤光层和像素阵列电路之间,所述液晶显示面板还包括若干第二间隔柱,所述若干第二间隔柱位于所述液晶区,自滤光层向像素阵列电路延伸,所述第二间隔柱与液晶分子相邻。
在本申请的一个实施例中,所述无液晶区包围环绕所述液晶区。
一种液晶显示装置,包括:背光模组,用于提供背光照明;及液晶显示面板。所述液晶显示面板包括:具有显示区域与周边区域的第一基板;与所述第 一基板相对设置的第二基板;像素阵列电路,设置于所述第一基板上且位于所述显示区域;驱动电路,设置于第所述第一基板上且位于所述周边区域,所述驱动电路连接并驱动所述像素阵列电路;液晶层,设置于所述第一基板的显示区域与所述第二基板之间,所述液晶层包括多个液晶分子,所述像素阵列电路用于控制所述多个液晶分子的动作;隔离结构,设置于所述第二基板上且对应于所述周边区域,用于将所述驱动电路与所述液晶层隔离;及框胶,设置于所述第一基板的周边区域与所述第二基板之间,所述阵列基板、所述对向基板及所述框胶共同围成一个容置空间,所述液晶层和所述隔离结构均收容于所述容置空间内。
基于以上液晶显示面板和液晶显示装置可知,通过在液晶显示面板中形成无液晶区,将驱动电路与液晶分子隔离,在利用驱动电路来驱动控制液晶分子动作时,可以避免驱动电路受到液晶的离子极化的影响,从而可以避免驱动电路进行驱动控制时造成直流(DC)残留。
附图说明
此处所说明的附图用来提供对本申请的进一步理解,构成本申请的一部分,本申请的示意性实施例及其说明用于解释本申请,并不构成对本申请的不当限定。在附图中:
图1为采用SOC型液晶显示面板的示意图;
图2为采用GOA型液晶显示面板的示意图;
图3为本申请实施例的一种GOA型液晶显示面板的结构示意图;
图4为本申请实施例的一种液晶显示装置的结构示意图。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚,下面将结合本申请具体实施例及相应的附图对本申请技术方案进行清楚、完整地描述。显然,所描述的实施例仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施 例,都属于本申请保护的范围。
以下各实施例的说明是参考附加的图式,用以例示本申请可用以实施的特定实施例。本申请所提到的方向用语,例如「上」、「下」、「前」、「后」、「左」、「右」、「内」、「外」、「侧面」等,仅是参考附加图式的方向。因此,使用的方向用语是用以说明及理解本申请,而非用以限制本申请。
附图和说明被认为在本质上是示例性的,而不是限制性的。在附图中,结构相似的元件是以相同标号表示。另外,为了理解和便于描述,附图中示出的每个元件的尺寸和厚度是任意示出的,本申请不限于此。
在附图中,为了清晰起见,夸大了层、膜、面板、区域等的厚度。在附图中,为了理解和便于描述,夸大了一些层和区域的厚度。可以理解的是,当例如层、膜、区域或基底的元件被称作“在”另一元件“上”时,所述元件可以直接在所述另一元件上,或者也可以存在中间元件。
另外,在说明书中,除非明确地描述为相反的,否则词语“包括”将被理解为意指包括所述元件,但是不排除任何其它元件。
以下结合附图,详细说明本申请各实施例提供的技术方案。
如图1所示,为SOC型液晶显示面板的示意图,其中,SOC型液晶显示面板的栅极驱动器是采用ASIC(Application Specific Integrated Circuit,专用集成电路),然而采用ASIC电路难以使得液晶显示面板具有窄边框效果。
如图2所示,为GOA型液晶显示面板的示意图,其栅极驱动器采用GOA电路,从而使得液晶显示面板具有窄边框效果。
然而,范例性的GOA型液晶显示面板中,其上下玻璃基板之间填充有液晶分子,四周用密封材料密封,因此在GOA电路上是布满液晶分子的,其将导致GOA电路中的元器件易受液晶的离子极化影响,造成直流残留,从而使得连接GOA电路的信号总线受到耦合影响,进而影响GOA电路的正常动作,造成GOA电路工作的不稳定。
为此,如图3所示,本实施例提供了一种液晶显示面板100,其可以提升 栅极驱动电路例如GOA电路的工作稳定性。具体地,液晶显示面板100包括:
第一基板110,具有显示区域AA与周边区域PA;
第二基板120,与第一基板110相对设置;
像素阵列电路130,设置于第一基板110上且位于显示区域AA内;
驱动电路140,设置于第一基板110上且位于周边区域PA内,驱动电路140连接像素阵列电路130并用于驱动像素阵列电路130;
液晶层150,设置于第一基板110与第二基板120之间,液晶层150包括若干液晶分子,像素阵列电路130用于控制若干液晶分子的动作;
隔离结构160,设置于第二基板120上且朝向驱动电路140,用于将驱动电路140与液晶层150隔离,以在驱动电路140上方形成无液晶区,或者说在驱动电路140和第二基板120之间形成无液晶区;
框胶190,设置于第一基板110与第二基板120之间的周边区域PA内并环绕液晶层150设置,驱动电路140位于框胶190与显示区域AA之间。
以上所述液晶显示面板包括:第一基板,具有显示区域与周边区域;第二基板,与第一基板相对设置;像素阵列电路,设置于第一基板上且位于显示区域;驱动电路,设置于第一基板上且位于周边区域,驱动电路连接像素阵列电路并用于驱动像素阵列电路;液晶层,设置于第一基板与第二基板之间,液晶层包括若干液晶分子,像素阵列电路用于控制若干液晶分子的动作;隔离结构,设置于第二基板上且朝向驱动电路,用于将驱动电路与液晶层隔离;框胶,设置于第一基板与第二基板之间的周边区域内并环绕液晶层。基于以上液晶显示面板可知,通过在液晶显示面板中设置隔离结构,将驱动电路与液晶层隔离,在利用驱动电路驱动像素阵列电路来控制液晶分子动作使液晶层工作时,可以避免驱动电路受到液晶层中的离子极化的影响,进而避免利用驱动电路驱动像素阵列电路时造成直流(DC)残留。
如图3所示,第一基板110具有显示区域AA与周边区域PA,其中显示区域AA可以显示文字、图片、视频、音乐、网页等内容,周边区域PA通常 可以设置驱动显示区域AA进行正常工作的驱动电路以及信号总线等,周边区域PA典型地为环绕显示区域AA。
第一基板110与第二基板120通常均为玻璃基板或塑料基板等透光材料基板。第二基板120与第一基板110相对设置,在第一基板110与第二基板120之间可以设置对应的电路。
像素阵列电路130设置于第一基板110上且位于显示区域AA,像素阵列电路130在驱动电路140的驱动控制下,可以产生控制信号控制显示面板的显示。典型地,像素阵列电路130包括主动开关元件阵列和连接主动开关元件阵列的像素电极阵列。
驱动电路140设置于第一基板110上且位于周边区域PA,驱动电路140连接像素阵列电路130并用于驱动像素阵列电路130。由于本实施例的栅极驱动器采用GOA电路,因此本实施例中的驱动电路140包括GOA电路141,GOA电路141设置于第一基板110上且位于周边区域PA,GOA电路141连接像素阵列电路130并用于驱动像素阵列电路130。相应地,隔离结构160朝向GOA电路141并将GOA电路141与液晶层150隔离,从而在GOA电路141和第二基板120之间形成无液晶区。再者,值得一提的是,GOA电路141典型地包括级联的移位寄存器且每一级移位寄存器连接显示区域AA内的一条扫描线。
隔离结构160将GOA电路141与液晶层150隔离后,液晶层150中的离子极化则不会对GOA电路141造成影响,从而使液晶层150不会影响GOA电路141的动作,进而可以提升GOA电路141动作的稳定性。
本实施例的一实施方式中,像素阵列电路130包括薄膜晶体管阵列和透明ITO像素电极阵列,薄膜晶体管阵列包含若干薄膜晶体管,GOA电路141对若干薄膜晶体管的栅极提供电压。这些薄膜晶体管可以是a-Si(非硅晶)薄膜晶体管或者Poly-Si(多晶硅)薄膜晶体管,其中Poly-Si薄膜晶体管可以采用LTPS(Low Temperature Poly-Silicon,低温多晶硅)等技术加以形成。
如图3所示,驱动电路140还包括信号总线142,信号总线142设置于第一基板110上且位于周边区域PA内,信号总线142连接GOA电路141并位于GOA电路141远离显示区域AA的一侧。本实施例中,隔离结构160还朝向信号总线142并将信号总线142与液晶层150隔离,以在信号总线142与第二基板120之间形成无液晶区。信号总线142例如用于向GOA电路141提供时钟信号。
隔离结构160将信号总线142与液晶层150隔离后,信号总线142则不会受到液晶层150中的离子极化的影响。由于GOA电路141与信号总线142均不受液晶层150中的离子极化的影响,因此信号总线142则不会受到耦合影响,避免直流残留。
如图3中所示,隔离结构160包括若干感光性间隔柱(Photo Spacer)161,感光性间隔柱161均匀分布于第二基板120上并与第二基板120固定连接。感光性间隔柱161通常以光敏性树脂(photosensitive resin)经光刻工艺(photolithography)形成于第二基板120上,当其以适当密度形成在驱动电路140的上方时可以有效隔离液晶分子,本实施例并不限于这一种材料,也可以为其它合适的材料。感光性间隔柱161之间等距离设置,且感光性间隔柱161均朝向GOA电路141与信号总线142,使得GOA电路141、信号总线142与液晶层150隔离。
本实施例的一实施方式中,如图3所示,驱动电路140分别位于显示区域AA的两侧,可以是位于左侧周边区域PA与右侧周边区域PA内。左侧周边区域PA与右侧周边区域PA均设置有GOA电路141和信号总线142,在本实施例的一个典型方案中,左侧周边区域PA中的GOA电路141与右侧周边区域PA中的GOA电路141位于像素阵列电路130的相对两侧,即二者相对设置。需要说明的是,在实际应用中,为了满足特殊需求,像素阵列电路130的同一侧也可以设置多个GOA电路141。
承上述,本实施例中,液晶显示面板100还包括:
滤光层170,滤光层170设置于第二基板120上并对应显示区域AA;
若干分散的感光性间隔柱180,若干分散的感光性间隔柱180例如设置于显示区域AA内的像素阵列电路130与滤光层170之间,以用于维持滤光层170和像素阵列电路130之间的适当间隙(或称液晶盒厚)。当隔离结构160也采用感光性间隔柱161的情形下,其可以与感光性间隔柱180使用相同材料在同一道工艺中形成,从而可以降低隔离结构160的制作成本。值得一提的是,位于周边区域PA内用于形成隔离结构160的感光性间隔柱161的分布密度大于位于显示区域AA内用于维持液晶盒厚(cell gap)的感光性间隔柱180的分布密度。
在本实施例中,对应显示区域AA的感光性间隔柱180为第二间隔柱。第二间隔柱自滤光层170向像素阵列电路130延伸,且与液晶分子相邻。
滤光层170包括多个色阻,多个色阻可以为红(R)、绿(G)、蓝(B)色阻,滤光层170设置于第二基板120上。当然,在另一实施方式中,为了增加开口率,也可以将滤光层170设置于第一基板110上,从而滤光层170位于液晶层150和主动开关元件阵列例如薄膜晶体管阵列之间。
滤光层170可以对光线进行处理,经像素阵列电路130控制产生的光通过滤光层170之后,液晶显示面板可以显示出对应的内容,包括相应颜色的字体、图片、动物、植物以及各种彩色等。
其中,若干分散的感光性间隔柱180具有三个或三个以上,且若干分散的感光性间隔柱180等间距分布。等间距分布的感光性间隔柱180可以使滤光层170与像素阵列电路130之间的间隙保持稳定。在本实施例的一个实施方案中,如图3所示,由于滤光层170通常包括红色色阻、绿色色阻和蓝色色阻(图3中的字母R、G、B分别代表对应的红色色阻、绿色色阻和蓝色色阻),因此本实施例将若干分散的感光性间隔柱180设置为与红色色阻R、绿色色阻G和蓝色色阻B一一对应。在其他实施方式中,由于人眼对绿色光比较敏感,而对蓝色光较为不敏感,因为在显示区域AA内也可以只对应蓝色色阻R设置感光性间隔柱180,而红色色阻R和绿色色阻G不对应设置感光性间隔柱180。
本实施例还提供了一种液晶显示装置300,如图4所示,其包括背光模组200和如以上所述的液晶显示面板100,背光模组200用于向液晶显示面板100提供背光照明。
需要指出的是,液晶显示装置300还可以包括其它相应的组件,如边框、电源接口、数据接口等。
液晶显示装置300可以是各种液晶显示屏,如电视液晶显示屏、电脑液晶显示屏等。
基于以上内容可知,液晶显示面板100包括:第一基板,具有显示区域与周边区域;第二基板,与第一基板相对设置;像素阵列电路,设置于第一基板上且位于显示区域;驱动电路,设置于第一基板上且位于周边区域,驱动电路连接像素阵列电路并用于驱动像素阵列电路;液晶层,设置于第一基板与第二基板之间,液晶层包括若干液晶分子,像素阵列电路用于控制若干液晶分子的动作;隔离结构,设置于第二基板上且朝向驱动电路,用于将驱动电路与液晶层隔离。由于本实施例的液晶显示装置300基于以上所述的液晶显示面板100,因此,通过在液晶显示面板中设置隔离结构,将驱动电路与液晶层隔离,在利用驱动电路驱动像素阵列电路来控制液晶分子动作使液晶层工作时,可以避免驱动电路受到液晶层的离子极化的影响,进而避免利用驱动电路驱动像素阵列电路时造成直流(DC)残留,从而可以进一步提升液晶显示装置的显示效果。
其中,驱动电路140包括作为栅极驱动器的GOA电路141,GOA电路141设置于第一基板110上且位于周边区域PA,GOA电路141连接像素阵列电路130并用于驱动像素阵列电路130。相应地,隔离结构160朝向GOA电路141并将GOA电路141与液晶层150隔离,以在GOA电路141和第二基板120之间形成无液晶区,或者说在GOA电路141上方形成无液晶区。
隔离结构160将GOA电路141与液晶层150隔离后,液晶层150中的离子极化则不会对GOA电路141造成影响,从而使液晶层150不会影响GOA电路141的动作,进而可以提升GOA电路141动作的稳定性,从而进一步提 升液晶显示装置300的显示效果。
如图3所示,驱动电路140还包括信号总线142,信号总线142设置于第一基板110上且位于周边区域PA内,信号总线142连接GOA电路141并位于GOA电路141远离显示区域AA的一侧。本实施例中,隔离结构160还朝向信号总线142并将信号总线142与液晶层150隔离。隔离结构160将信号总线142与液晶层150隔离后,信号总线142则不会受到液晶层150中的离子极化的影响。由于GOA电路141与信号总线142均不受液晶层150中的离子极化的影响,因此信号总线142则不会受到耦合影响,从而可以避免直流残留。
由以上可知,隔离结构160将GOA电路141、信号总线142与液晶层150隔离,可以避免直流残留,从而提升液晶显示装置300的显示的稳定性。
为了提升液晶显示装置300的色彩显示效果,本实施例中,液晶显示装置包括的液晶显示面板100还包括:
滤光层170,滤光层170设置于第二基板120上并对应显示区域AA;
若干分散的感光性间隔柱180,若干分散的感光性间隔柱180设置于显示区域AA内的像素阵列电路130与滤光层170之间,以用于维持滤光层170和像素阵列电路130之间的适当间隙(或称液晶盒厚)。当隔离结构160也采用感光性间隔柱161的情形下,其可以与感光性间隔柱180使用相同材料在同一道工艺中形成,从而可以降低隔离结构160的制作成本。值得一提的是,位于周边区域PA内用于形成隔离结构160的感光性间隔柱161的分布密度大于位于显示区域AA内用于维持液晶盒厚(cell gap)的感光性间隔柱180的分布密度。
在本实施例中,对应显示区域AA的感光性间隔柱180为第二间隔柱。第二间隔柱自滤光层170向像素阵列电路130延伸,且与液晶分子相邻。
滤光层170包括多个色阻,这些色阻可以为红、绿、蓝色阻,滤光层170设置于第二基板120上。当然,在另一实施方式中,为了增加开口率,也可以将滤光层170设置于第一基板110上,从而滤光层170位于液晶层150和像素阵列电路130的主动开关元件阵列例如薄膜晶体管阵列之间。
滤光层170可以对光线进行处理,经像素阵列电路130控制产生的光通过滤光层170之后,液晶显示面板100可以显示出对应的内容,包括相应颜色的字体、图片、动物、植物以及各种彩色等。
其中,若干分散的感光性间隔柱180具有三个或三个以上,且若干分散的感光性间隔柱180等间距分布。等间距分布的间隔柱180可以使滤光层170与像素阵列电路130之间的间隙保持稳定。在本实施例的一个实施方案中,如图3所示,由于滤光层170通常包括红色色阻、绿色色阻和蓝色色阻(图3中的字母R、G、B分别代表对应的红色色阻、绿色色阻和蓝色色阻),因此本实施例将若干分散的感光性间隔柱180设置为与红色色阻R、绿色色阻G和蓝色色阻B一一对应。在其他实施方式中,由于人眼对绿色光比较敏感,而对蓝色光较为不敏感,因为在显示区域AA内也可以只对应蓝色色阻R设置感光性间隔柱180,而红色色阻R和绿色色阻G不对应设置感光性间隔柱180。
同时,通过以上所述可知,本实施例的液晶显示装置300可以通过GOA技术实现窄边框。
另外,值得一提的是,本申请前述实施例的隔离结构160并不限于包括若干感光性间隔柱161,其也可以采用其他材料的间隔柱,甚至还可以采用其他形状的结构,只要能够实现将驱动电路和液晶层隔离,以在驱动电路上方形成无液晶区之目的均可。
最后值得说明的是,在其他实施例中,前述液晶显示面板100可以重新划分成包括阵列基板、对向基板、液晶层150和框胶190等组件,框胶190位于阵列基板和对向基板之间与所述阵列基板及对向基板共同形成容置空间,液晶层150位于阵列基板和对向基板之间并位于所述容置空间内。其中,阵列基板例如包括第一基板110、像素阵列电路130和驱动电路140,对向基板包括第二基板120和滤光层170,驱动电路140位于所述容置空间内的无液晶区,隔离结构160位于所述容置空间内的无液晶区与对向基板固定连接且朝向驱动电路140,感光性间隔柱180位于所述容置空间内液晶层150所在的显示区域AA 内。简而言之,所述容置空间可以划分成在阵列基板和对向基板的间距方向的垂直方向(也即图3中的水平方向)上并列设置的液晶区和无液晶区,所述无液晶区包围并环绕所述液晶区。隔离结构160位于所述无液晶区并与驱动电路140相对并间隔设置,感光性间隔柱180位于所述液晶区,液晶层150位于所述液晶区。此外,还可以理解的是,在另一实施例中,滤光层170可以作为所述阵列基板的构成部分而非所述对向基板的构成部分。
“在一些实施例中”及“在各种实施例中”等用语被重复地使用,所述用语通常不是指相同的实施例;但它也可以是指相同的实施例。“包含”、“具有”及“包括”等用词是同义词,除非其前后文意显示出其它意思。
以上所述实施例的各技术特征可以进行任意的组合,为使描述简洁,未对上述实施例中的各个技术特征所有可能的组合都进行描述,然而,只要这些技术特征的组合不存在矛盾,都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本申请的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对专利申请范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本申请构思的前提下,还可以做出若干变形和改进,这些都属于本申请的保护范围。

Claims (20)

  1. 一种液晶显示面板,包括:
    阵列基板,包括驱动电路;
    对向基板,与所述阵列基板相对设置;
    框胶,设置在所述阵列基板和所述对向基板之间,所述阵列基板、所述对向基板及所述框胶共同围成一个容置空间,所述容置空间包括并列设置的液晶区和无液晶区,所述驱动电路位于所述无液晶区;以及
    若干液晶分子,分布在所述液晶区。
  2. 如权利要求1所述的液晶显示面板,还包括隔离结构,所述隔离结构位于所述驱动电路的上方且与所述驱动电路间隔设置,所述隔离结构位于所述无液晶区。
  3. 如权利要求2所述的液晶显示面板,其中,所述隔离结构为若干间隔柱,所述若干间隔柱与所述对向基板固定连接,自所述对向基板向所述驱动电路延伸。
  4. 如权利要求3所述的液晶显示面板,其中,所述若干间隔柱为感光性间隔柱。
  5. 如权利要求1所述的液晶显示面板,其中,所述阵列基板包括像素阵列电路,所述像素阵列电路位于所述液晶区,所述驱动电路连接所述像素阵列电路。
  6. 如权利要求5所述的液晶显示面板,其中,所述驱动电路包括阵列基板上栅极驱动器,所述阵列基板上栅极驱动器连接所述像素阵列电路。
  7. 如权利要求6所述的液晶显示面板,其中,所述驱动电路还包括信号总线,所述信号总线连接所述阵列基板上栅极驱动器,所述信号总线用于向所述阵列基板上栅极驱动器提供时钟信号。
  8. 如权利要求7所述的液晶显示面板,其中,所述阵列基板上栅极驱动器位于信号总线和像素阵列电路之间。
  9. 如权利要求1所述的液晶显示面板,其中,所述对向基板包括滤光层,所述滤光层位于所述液晶区。
  10. 如权利要求9所述的液晶显示面板,其中,所述滤光层包括红色色阻、绿色色阻和蓝色色阻。
  11. 如权利要求9所述的液晶显示面板,还包括若干第二间隔柱,所述若干第二间隔柱位于所述液晶区,自滤光层向像素阵列电路延伸,所述第二间隔柱用于维持滤光层和像素阵列电路之间的适当间隙。
  12. 如权利要求11所述的液晶显示面板,其中,所述滤光层包括红色色阻、绿色色阻和蓝色色阻,所述红色色阻、所述绿色色阻和所述蓝色色阻均与一个第二间隔柱一一对应设置。
  13. 如权利要求9所述的液晶显示面板,其中,所述若干液晶分子位于滤光层和像素阵列电路之间。
  14. 如权利要求13所述的液晶显示面板,其中,所述无液晶区包围环绕所述液晶区,所述液晶显示面板还包括位于无液晶区的隔离结构和位于液晶区的若干第二间隔柱,所述隔离结构位于所述驱动电路的上方且与所述驱动电路间隔设置,所述若干第二间隔柱自滤光层向像素阵列电路延伸。
  15. 如权利要求9所述的液晶显示面板,其中,所述若干液晶分子位于滤光层和像素阵列电路之间,所述液晶显示面板还包括若干第二间隔柱,所述若干第二间隔柱位于所述液晶区,自滤光层向像素阵列电路延伸,所述第二间隔柱与液晶分子相邻。
  16. 一种液晶显示装置,包括:
    背光模组,用于提供背光照明;及
    液晶显示面板,包括:
    阵列基板,包括驱动电路;
    对向基板,与所述阵列基板相对设置;
    框胶,设置在所述阵列基板和所述对向基板之间,所述阵列基板、 所述对向基板及所述框胶共同围成一个容置空间,所述容置空间包括并列设置的液晶区和无液晶区,所述驱动电路位于所述无液晶区;以及
    若干液晶分子,分布在所述液晶区。
  17. 如权利要求16所述的液晶显示装置,其中,所述液晶显示面板还包括位于所述无液晶区的隔离结构,所述隔离结构位于所述驱动电路的上方且与所述驱动电路间隔设置,所述隔离结构自对向基板向驱动电路延伸。
  18. 如权利要求16所述的液晶显示装置,其中,所述对向基板包括滤光层,所述滤光层位于所述液晶区,所述若干液晶分子位于滤光层和像素阵列电路之间,所述液晶显示面板还包括若干第二间隔柱,所述若干第二间隔柱位于所述液晶区,自滤光层向像素阵列电路延伸,所述第二间隔柱与液晶分子相邻。
  19. 如权利要求16所述的液晶显示装置,其中,所述无液晶区包围环绕所述液晶区。
  20. 一种液晶显示装置,包括:
    背光模组,用于提供背光照明;及
    液晶显示面板,包括:
    具有显示区域与周边区域的第一基板;
    与所述第一基板相对设置的第二基板;
    像素阵列电路,设置于所述第一基板上且位于所述显示区域;
    驱动电路,设置于第所述第一基板上且位于所述周边区域,所述驱动电路连接并驱动所述像素阵列电路;
    液晶层,设置于所述第一基板的显示区域与所述第二基板之间,所述液晶层包括多个液晶分子,所述像素阵列电路用于控制所述多个液晶分子的动作;
    隔离结构,设置于所述第二基板上且对应于所述周边区域,用于将所述驱动电路与所述液晶层隔离;及
    框胶,设置于所述第一基板的周边区域与所述第二基板之间,所 述阵列基板、所述对向基板及所述框胶共同围成一个容置空间,所述液晶层和所述隔离结构均收容于所述容置空间内。
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