WO2023102990A1 - 显示面板及显示装置 - Google Patents

显示面板及显示装置 Download PDF

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Publication number
WO2023102990A1
WO2023102990A1 PCT/CN2021/138536 CN2021138536W WO2023102990A1 WO 2023102990 A1 WO2023102990 A1 WO 2023102990A1 CN 2021138536 W CN2021138536 W CN 2021138536W WO 2023102990 A1 WO2023102990 A1 WO 2023102990A1
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Prior art keywords
substrate
liquid crystal
resistance
layer
electrode layer
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Application number
PCT/CN2021/138536
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English (en)
French (fr)
Inventor
程薇
梅新东
何瑞
Original Assignee
武汉华星光电技术有限公司
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Priority to US17/623,277 priority Critical patent/US20240036366A1/en
Publication of WO2023102990A1 publication Critical patent/WO2023102990A1/zh

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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
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • 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
    • G02F1/1323—Arrangements for providing a switchable viewing angle
    • 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
    • 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
    • G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
    • G02F1/13345—Network or three-dimensional gels
    • 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
    • G02F1/133528—Polarisers
    • 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
    • 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
    • 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
    • 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
    • G02F1/134336—Matrix
    • 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
    • G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
    • 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
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells

Definitions

  • the present application relates to the field of display technology, in particular to a display panel and a display device.
  • the polymer network liquid crystal in the light-adjustable liquid crystal cell is oriented in a specific direction.
  • the polymer network liquid crystal is obliquely oriented.
  • Phase the polarized light of the display panel so that the light with a large viewing angle is intercepted by the upper polarizer to realize a narrow viewing angle display; while in normal display, apply a voltage to the polymer network liquid crystal to make the polymer network liquid crystal do horizontal or vertical alignment , the viewing angle is not affected at this time, because the polymer network liquid crystal in this mode has a certain haze, which can enlarge and uniform the viewing angle, realize dynamic anti-peeping, and realize free switching between wide and narrow viewing angle modes.
  • the resistance of the electrode layer on the substrate is too large, and the RC loading (resistance-capacitance load) is large, so the voltage in the area far away from the pressurized area of the dimming liquid crystal cell cannot meet the polymerization requirements.
  • the inclination angle required for IoT LCDs and the inconsistent voltages in different areas can easily lead to uneven screen display under side viewing angles, resulting in light leakage at large viewing angles and affecting the anti-peeping effect.
  • the embodiments of the present application provide a display panel and a display device to solve the problem of the existing display panel and the dimming liquid crystal cell in the display device.
  • the excessive resistance of the electrode layer leads to inconsistent voltages in different regions, which in turn leads to uneven display of the screen and prevents Peek into technical issues with poor results.
  • the present application provides a display panel, including a display liquid crystal cell and a dimming liquid crystal cell arranged on one side of the display liquid crystal cell, and the dimming liquid crystal cell includes:
  • the second substrate is arranged on the side of the first substrate away from the display liquid crystal cell;
  • the light-adjusting liquid crystal layer disposed between the first substrate and the second substrate, the light-adjusting liquid crystal layer comprising a polymer network and a plurality of liquid crystal molecules distributed in the polymer network;
  • the first electrode layer is arranged on the side of the first substrate facing the second substrate, and the first electrode layer is connected to a first voltage signal;
  • the first substrate is also provided with a first resistance-reducing metal layer, the first resistance-reducing metal layer is electrically connected to the first electrode layer, and the first resistance-reducing metal layer surrounds the first electrode layer settings.
  • the first electrode layer includes a plurality of sub-electrode parts arranged in an array
  • the first resistance-reducing metal layer includes a plurality of sub-metal parts
  • the plurality of sub-metal parts are connected to the plurality of sub-metal parts.
  • the sub-electrode parts are connected in one-to-one correspondence; wherein, each of the sub-metal parts is respectively connected to a different first voltage signal.
  • the different multiple first voltage signals connected to the multiple sub-metal parts alternately change positive and negative sequentially.
  • the first electrode layer and the first resistance-reducing metal layer are arranged in different layers, and a first insulating layer is arranged between the first electrode layer and the first resistance-reducing metal layer , the first resistance-reducing metal layer is electrically connected to the first electrode layer through a via hole penetrating through the first insulating layer.
  • the orthographic projection of the first resistance-reducing metal layer on the first substrate is located at an edge of the orthographic projection of the first electrode layer on the first substrate.
  • the material of the first resistance-reducing metal layer includes one or a combination of molybdenum, aluminum, silver, copper and molybdenum/aluminum/molybdenum.
  • the dimming liquid crystal cell further includes:
  • the second electrode layer is arranged on the side of the second substrate facing the first substrate, and the second electrode layer is connected to a second voltage signal;
  • the second resistance-reducing metal layer is disposed on the second substrate, and the second resistance-reducing metal layer is electrically connected to the second electrode layer.
  • the first voltage signal is a driving voltage signal
  • the second voltage signal is a common voltage signal
  • a sealant layer is further provided between the first substrate and the second substrate, and gold balls are provided in the sealant layer, and the first electrode layer passes through the gold balls. It is electrically connected with the second electrode layer.
  • the present application provides a display panel, including a display liquid crystal cell and a dimming liquid crystal cell arranged on one side of the display liquid crystal cell, and the dimming liquid crystal cell includes:
  • the second substrate is arranged on the side of the first substrate away from the display liquid crystal cell;
  • the light-adjusting liquid crystal layer disposed between the first substrate and the second substrate, the light-adjusting liquid crystal layer comprising a polymer network and a plurality of liquid crystal molecules distributed in the polymer network;
  • the first electrode layer is arranged on the side of the first substrate facing the second substrate, and the first electrode layer is connected to a first voltage signal;
  • a first resistance-reducing metal layer is further disposed on the first substrate, and the first resistance-reducing metal layer is electrically connected to the first electrode layer.
  • the first electrode layer includes a plurality of sub-electrode parts arranged in an array
  • the first resistance-reducing metal layer includes a plurality of sub-metal parts
  • the plurality of sub-metal parts are connected to the plurality of sub-metal parts.
  • the sub-electrode parts are connected in one-to-one correspondence; wherein, each of the sub-metal parts is respectively connected to a different first voltage signal.
  • the different multiple first voltage signals connected to the multiple sub-metal parts alternately change positive and negative sequentially.
  • the first electrode layer and the first resistance-reducing metal layer are arranged in different layers, and a first insulating layer is arranged between the first electrode layer and the first resistance-reducing metal layer , the first resistance-reducing metal layer is electrically connected to the first electrode layer through a via hole penetrating through the first insulating layer.
  • the orthographic projection of the first resistance-reducing metal layer on the first substrate is located at an edge of the orthographic projection of the first electrode layer on the first substrate.
  • the material of the first resistance-reducing metal layer includes one or a combination of molybdenum, aluminum, silver, copper and molybdenum/aluminum/molybdenum.
  • the dimming liquid crystal cell further includes:
  • the second electrode layer is arranged on the side of the second substrate facing the first substrate, and the second electrode layer is connected to a second voltage signal;
  • the second resistance-reducing metal layer is disposed on the second substrate, and the second resistance-reducing metal layer is electrically connected to the second electrode layer.
  • the first voltage signal is a driving voltage signal
  • the second voltage signal is a common voltage signal
  • a sealant layer is further provided between the first substrate and the second substrate, and gold balls are provided in the sealant layer, and the first electrode layer passes through the gold balls. It is electrically connected with the second electrode layer.
  • the display panel further includes:
  • a first polarizer disposed between the display liquid crystal cell and the dimming liquid crystal cell
  • the second polarizer is arranged on the side of the dimming liquid crystal cell away from the first polarizer, and the optical axis direction of the first polarizer is parallel to the optical axis direction of the second polarizer;
  • the polymer network is arranged along a first direction, and the first direction is inclined relative to the normal of the first polarizer; in the first mode, the long axis of the liquid crystal molecules is along the first directional arrangement; in the second mode, the long axes of the liquid crystal molecules are arranged along a second direction, the second direction is different from the first direction, and the display panel in the first mode The viewing angle is smaller than the viewing angle of the display panel in the second mode.
  • the present application provides a display device, including a display panel, the display panel includes a display liquid crystal cell and a dimming liquid crystal cell arranged on one side of the display liquid crystal cell, and the dimming liquid crystal cell includes:
  • the second substrate is arranged on the side of the first substrate away from the display liquid crystal cell;
  • the light-adjusting liquid crystal layer disposed between the first substrate and the second substrate, the light-adjusting liquid crystal layer comprising a polymer network and a plurality of liquid crystal molecules distributed in the polymer network;
  • the first electrode layer is arranged on the side of the first substrate facing the second substrate, and the first electrode layer is connected to a first voltage signal;
  • a first resistance-reducing metal layer is further disposed on the first substrate, and the first resistance-reducing metal layer is electrically connected to the first electrode layer.
  • the beneficial effects of the present application are: the display panel and the display device provided by the present application are provided with a first resistance-reducing metal layer on the first substrate of the dimming liquid crystal cell, and the first resistance-reducing metal layer is electrically connected to the first electrode layer , due to the small resistance of the first resistance-reducing metal layer, the setting of the first resistance-reducing metal layer can effectively reduce the impedance during the transmission of the first voltage signal, so that the voltages in different regions are consistent, which is conducive to realizing the uniformity of driving power
  • the voltage of the area far away from the pressurized area of the dimming liquid crystal cell can also meet the tilt angle required by the liquid crystal molecules in the polymer network, which is conducive to obtaining a stable peep-proof viewing angle.
  • FIG. 1 is a schematic cross-sectional structure diagram of a first display panel provided by an embodiment of the present application
  • FIG. 2 is a schematic cross-sectional structure diagram of a first substrate provided in an embodiment of the present application
  • FIG. 3 is a schematic cross-sectional structure diagram of a second display panel provided by an embodiment of the present application.
  • Fig. 4 is a first top view structural schematic diagram of the dimming liquid crystal cell provided by the embodiment of the present application.
  • Fig. 5 is a schematic diagram of the second top view structure of the dimming liquid crystal cell provided by the embodiment of the present application.
  • Fig. 6 is a schematic diagram of the third top view structure of the dimming liquid crystal cell provided by the embodiment of the present application.
  • FIG. 7 is a schematic cross-sectional structure diagram of a third display panel provided by an embodiment of the present application.
  • Dimming liquid crystal cell 200. Display liquid crystal cell; 11. First substrate; 12. Second substrate; 13. Dimming liquid crystal layer; 131. Polymer network; 132. Liquid crystal molecules; 14. First electrode layer; 141. Sub-electrode part; 15. Second electrode layer; 16. First resistance-reducing metal layer; 161. Sub-metal part; 17. Second resistance-reducing metal layer; 18. First insulating layer; 181. First via hole ; 19, the second insulating layer; 191, the second via hole; 20, the sealant layer; 201, the gold ball; 21, the first polarizer; 22, the second polarizer.
  • Figure 1 is a schematic cross-sectional structure diagram of the first display panel provided in the embodiment of the application
  • Figure 2 is a schematic cross-sectional structure diagram of a first substrate provided in the embodiment of the application
  • a display panel is provided, the display panel includes a dimming liquid crystal cell 100 and a display liquid crystal cell 200, the dimming liquid crystal cell 100 is arranged on one side of the display liquid crystal cell 200, and the display liquid crystal cell 200 is a display liquid crystal cell
  • the light emitted from the display liquid crystal cell 200 is modulated by the dimming liquid crystal cell 100 to realize free switching between the wide viewing angle mode and the narrow viewing angle mode.
  • the dimming liquid crystal cell 100 includes a first substrate 11 , a second substrate 12 , a dimming liquid crystal layer 13 , a first electrode layer 14 and a first resistance-reducing metal layer 16 .
  • the first substrate 11 and the second substrate 12 are arranged oppositely, and the second substrate 12 is arranged on the side of the first substrate 11 away from the display liquid crystal cell 200; the dimming liquid crystal layer 13 is arranged on Between the first substrate 11 and the second substrate 12, the dimming liquid crystal layer 13 includes a polymer network 131 distributed in a plurality of liquid crystal molecules 132 in the polymer network 131, and the liquid crystal molecules 132 are Nematic liquid crystal molecules; the first electrode layer 14 is disposed on the side of the first substrate 11 facing the second substrate 12 , and the first electrode layer 14 is connected to a first voltage signal.
  • a first resistance-reducing metal layer 16 is provided on the first substrate 11, and the first resistance-reducing metal layer 16 is electrically connected to the first electrode layer 14, because the first resistance-reducing metal layer 16 has a small resistance, and the connection between the first resistance-reducing metal layer 16 and the first electrode layer 14 can effectively reduce the impedance during the transmission of the first voltage signal, so that the different regions of the first substrate 11 Consistent voltage is beneficial to realize the uniformity of driving and powering, so that the picture display is uniform; in addition, the voltage of the region far from the pressurized region of the dimming liquid crystal cell 100 can also meet all the requirements in the polymer network.
  • the required inclination angle of the above-mentioned liquid crystal molecules 132 makes the anti-peeping viewing angle stable.
  • the first substrate 11 may be a substrate close to the side of the display liquid crystal cell 200, and the second substrate 12 may be a substrate far from the side of the display liquid crystal cell 200.
  • the first voltage signal connected to the first substrate 11 is a driving voltage signal
  • the second voltage signal connected to the second substrate 12 is a common voltage signal
  • the first substrate 11 can be a The substrate on one side of the liquid crystal cell 200
  • the second substrate 12 is a substrate on the side close to the display liquid crystal cell 200, in this case, the first voltage signal connected to the first substrate 11 is a common voltage signal
  • the second voltage signal connected to the second substrate 12 is a driving voltage signal.
  • the dimming liquid crystal cell 100 also includes a second electrode layer 15, the second electrode layer 15 is arranged on the side of the second substrate 12 facing the first substrate 11, the second electrode layer 15 access to the second voltage signal, the liquid crystal molecules 132 are deflected under the action of the electric field formed by the first voltage signal and the second voltage signal so that the tilt angle meets the requirements, thereby modulating the output from the display liquid crystal cell 200 emitted light to realize the free switching between the wide viewing angle mode and the narrow viewing angle mode; similarly, the resistance and capacitance load of the second electrode layer 15 causes the voltage of the area of the second substrate 12 far away from the pressurized area The inclination angle required by the liquid crystal molecules 132 cannot be satisfied, which may easily lead to uneven image display under the side viewing angle.
  • FIG. 3 is a schematic cross-sectional structure diagram of the second display panel provided by the embodiment of the present application
  • FIG. 4 is a schematic top view structure diagram of the first type of dimming liquid crystal cell provided by the embodiment of the present application
  • a resistance-reducing metal layer can also be provided on the second substrate 12, that is, a second resistance-reducing metal layer 17 is provided on the second substrate 12, and the second resistance-reducing metal layer 17 It is electrically connected with the second electrode layer 15. Since the resistance of the second resistance-reducing metal layer 17 is small, the connection between the second resistance-reducing metal layer 17 and the second electrode layer 15 can effectively reduce the resistance of the second electrode layer 15.
  • the impedance in the transmission process of the second voltage signal makes the voltages in different regions of the second substrate 12 consistent, which is conducive to realizing the uniformity of driving and powering, so that the picture display is uniform; in addition, it can further make the dimming liquid crystal cell 100
  • the voltage of the region farther from the pressurized region can also meet the required inclination angle of the liquid crystal molecules 132 in the polymer network 131 , so that the anti-peeping viewing angle is stable.
  • the embodiment of the present application uses the first voltage signal connected to the first substrate 11 as the driving voltage signal, and the second voltage signal connected to the second substrate 12 as the common voltage
  • the signal is used as an example to illustrate.
  • the driving voltage signal AC is an AC voltage signal
  • the common voltage signal COM is a DC voltage signal
  • Fig. 5 is a schematic diagram of the second top view structure of the dimming liquid crystal cell provided in the embodiment of the present application
  • Fig. 6 is a third top view of the dimming liquid crystal cell provided in the embodiment of the present application
  • the sub-electrode parts 141 are connected in one-to-one correspondence; wherein, each of the sub-metal parts 161 is respectively connected to a different first voltage signal, and by partitioning the first electrode layer 14, the sub-metal parts
  • the setting of 161 can reduce the resistance of the corresponding sub-electrode parts 141, thereby reducing the resistance of each of the sub-electrode parts 141, and further reducing the resistance of the entire first electrode layer 14; and can be more fine to adjust the voltages of different regions of the first substrate 11 .
  • each of the sub-electrode parts 141 is sequentially connected to the first voltage signals AC1-3 from left to right, and the sub-metal part 161 is disposed near the corresponding sub-electrode part 141 and connected to the first voltage signal AC1.
  • ⁇ 3 voltage terminals for another example, in FIG.
  • the first electrode layer 14 includes eight sub-electrode parts 141 arranged in an array, and the eight sub-electrode parts 141 are arranged in 2 rows and 4 columns Specifically, the eight sub-electrode parts 141 are sequentially connected to the first voltage signals AC1 ⁇ 8, wherein the four sub-electrode parts 141 located in the first row are sequentially connected to the first voltage from left to right For the signals AC1 ⁇ 4, the four sub-electrode parts 141 located in the second row are sequentially connected to the first voltage signals AC5 ⁇ 8 from left to right, wherein the first resistance-reducing metal layer is arranged on the first Around an electrode layer 14 , each sub-metal portion 161 is disposed on an edge of the corresponding sub-electrode portion 141 .
  • the different multiple first voltage signals AC connected to the multiple sub-metal parts 161 alternately change positive and negative sequentially, which can avoid the vibration and howling caused by the inverse piezoelectric effect of the large capacitor, as shown in FIG.
  • the first voltage signals AC1 ⁇ 4 are driven in a manner of +/-/+/-
  • the first voltage signals AC5 ⁇ 8 are driven in a manner of +/-/+/-.
  • each of the sub-electrode parts 141 can be set to be equal or unequal, which should be adjusted according to the impedance of each region, which is not limited in this embodiment of the present application.
  • the arrangement of the plurality of sub-electrode portions 141 should also be adjusted according to the impedance of each region, which is also not limited in this embodiment of the present application.
  • the second electrode layer 15 can also adopt a partition design to further reduce the resistance of the entire second electrode layer 15.
  • a partition design to further reduce the resistance of the entire second electrode layer 15.
  • the first electrode layer 14 and the first resistance-reducing metal layer 16 are arranged in different layers, and a first insulating layer 18 is arranged between the first electrode layer 14 and the first resistance-reducing metal layer 16 , the first resistance-reducing metal layer 16 is electrically connected to the first electrode layer 14 through a first via hole 181 penetrating through the first insulating layer 18 .
  • the first insulating layer 18 covers the first electrode layer 14, and the first resistance-reducing metal layer 16 is disposed on the first insulating layer 18 away from the first One side of the substrate 11; in another embodiment, the first insulating layer 18 covers the first resistance-reducing metal layer 16, and the first electrode layer 14 is disposed on the first insulating layer 18 away from the One side of the first substrate 11 is described.
  • the second electrode layer 15 can also be arranged in a different layer from the second resistance-reducing metal layer 17, and a second insulating layer is provided between the second electrode layer 15 and the second resistance-reducing metal layer 17.
  • layer 19 the second resistance-reducing metal layer 17 is electrically connected to the second electrode layer 15 through a second via hole 191 penetrating through the second insulating layer 19 .
  • the second insulating layer 19 covers the second electrode layer 15, and the second resistance-reducing metal layer 17 is disposed on the second insulating layer 19 away from the second One side of the substrate 12; in another embodiment, the second insulating layer 19 covers the second resistance-reducing metal layer 17, and the second electrode layer 15 is disposed on the second insulating layer 19 away from the One side of the second substrate 12 is described.
  • first insulating layer 18 and the second insulating layer 19 may be organic insulating materials or inorganic insulating materials.
  • first resistance-reducing metal layer 16 can also directly overlap with the first electrode layer 14, and the second resistance-reducing metal layer 17 can also directly overlap with the second electrode layer 15, saving Removing the first insulating layer 18 and the second insulating layer 19 is beneficial to reduce the thickness of the dimming liquid crystal cell 100, thereby reducing the thickness of the display panel.
  • the orthographic projection of the first resistance-reducing metal layer 16 on the first substrate 11 is located at the edge of the orthographic projection of the first electrode layer 14 on the first substrate 11, so that The arrangement of the first resistance-reducing metal layer 16 has little effect on the aperture ratio of the first electrode layer 14 .
  • the orthographic projection of the second resistance-reducing metal layer 17 on the second substrate 12 is located at the edge of the orthographic projection of the second electrode layer 15 on the second substrate 12, so that the first The arrangement of the two resistance-reducing metal layers 17 affects the aperture ratio of the second electrode layer 15 .
  • the first resistance-reducing metal layer 16 is arranged around the first electrode layer 14, and the second resistance-lowering metal layer 17 is arranged around the first electrode layer 14.
  • the second electrode layer 15 is provided. It can be understood that in the embodiment of the present application, the first resistance-reducing metal layer 16 and the second resistance-reducing metal layer 17 are respectively arranged on the first electrode layer 14 and the second resistance-reducing metal layer. Around the two electrode layers 15, the problem of interference fringe after the display liquid crystal cell 200 and the dimming liquid crystal cell 100 are assembled can be avoided, which is beneficial to improve the image display effect of the display panel.
  • first resistance-reducing metal layer 16 and the second resistance-reducing metal layer 17 can also adopt other shapes, for example, the first resistance-reducing metal layer 16 and the The second resistance-reducing metal layer 17 is patterned on the entire surface (such as thin lines).
  • the first resistance-reducing metal layer 16 is arranged in a circle
  • the second resistance-reducing metal layer 17 is arranged in a circle.
  • the number of turns of the first resistance-reducing metal layer 16 and the second resistance-reducing metal layer 17 is not limited, and should be determined according to actual conditions.
  • the first resistance-reducing metal layer 16 and the second resistance-reducing metal layer 17 are formed of other materials with better electrical conductivity, and their resistivity is lower than that of the first electrode layer 14 and the second electrode layer 14.
  • materials of the first resistance-reducing metal layer 16 and the second resistance-reducing metal layer 17 include one or a combination of molybdenum, aluminum, silver, copper and molybdenum/aluminum/molybdenum.
  • materials of the first electrode layer 14 and the second electrode layer 15 include indium tin oxide (Indium tin oxide, ITO).
  • a sealant layer 20 is further disposed between the first substrate 11 and the second substrate 12 , and a gold ball 201 is disposed in the sealant layer 20 , and the first An electrode layer 14 is electrically connected to the second electrode layer 15 through the gold ball 201, so as to lead the second electrode layer 15 from the second substrate 12 to the first substrate 11, thereby realizing the same
  • the design of the side outlet pins can make the first voltage signal and the second voltage signal only connected from one side of the first substrate 11, which is beneficial to simplify the structure.
  • the display panel further includes a first polarizer 21 and a second polarizer 22, and the first polarizer 21 is arranged on the display liquid crystal cell 200 and the dimming liquid crystal Between the cells 100, the second polarizer 22 is arranged on the side of the dimming liquid crystal cell 100 away from the first polarizer 21, and the optical axis direction of the first polarizer 21 is in the same direction as the second polarizer 21.
  • the optical axis direction of the polarizer 22 is parallel; wherein, the polymer network is arranged along a first direction w, and the first direction w is inclined relative to the normal of the first polarizer 21; in the first mode, The long axes of the liquid crystal molecules 132 are arranged along the first direction w; in the second mode, the long axes of the liquid crystal molecules 132 are arranged along the second direction, and the second direction and the first direction w are different, and the viewing angle of the display panel in the first mode is smaller than the viewing angle of the display panel in the second mode.
  • the dimming liquid crystal cell 100 may be disposed above the display liquid crystal cell 200 .
  • FIG. 7 is a schematic cross-sectional structure diagram of a third display panel provided in the embodiment of the present application; the dimming liquid crystal cell 100 may also be arranged in the below.
  • the first mode of the display panel may be an anti-peeping display mode
  • the second mode of the display panel may be a normal display mode.
  • the dimming liquid crystal layer 13 is used to make the first light incident along the normal direction z of the first polarizer 21 pass through the second polarizer 22 in the first mode, and make the The second light incident obliquely to the normal direction z of the first polarizer 21 is blocked or partially blocked by the second polarizer 22; and in the second mode, the long axis of the liquid crystal molecules 132 It is different from the first direction w, so that more light can pass through the second polarizer 22, so as to improve the viewing angle range of the display panel in the second mode, so that the display panel in the The viewing angle in the second mode is larger than the viewing angle of the display panel in the first mode.
  • the embodiment of the present application can give the liquid crystal Molecules 132 provide an orientation effect, so that the long axis of the liquid crystal molecules 132 is also inclined to the normal direction z of the first polarizer. Due to the deflection characteristics of the liquid crystal molecules 132 themselves for light, it can make the liquid crystal molecules 132 along the The first light incident in the normal direction z of the first polarizer 21 passes through the second polarizer 22, and the second light incident obliquely to the normal direction z of the first polarizer 21 is transmitted by the The second polarizer 22 blocks or partially blocks.
  • the display panel provided in the embodiment of the present application can selectively transmit light under different viewing angles, and then can play the role of anti-peeping at a specific viewing angle, and the display panel provided in the present application can also be used in anti-peeping display and regular display to improve the usability of the display panel.
  • the dimming liquid crystal cell 100 also includes a first alignment film (not shown in the figure) and a second alignment film (not shown in the figure), for aligning the liquid crystal molecules 132, the first An alignment film is disposed on a side of the first electrode layer 14 away from the first substrate 11 , and the second alignment film is disposed on a side of the second electrode layer 15 away from the second substrate 12 .
  • the beneficial effect is: the display panel and the display device provided by the embodiment of the present application, by disposing the first resistance-reducing metal layer on the first substrate of the dimming liquid crystal cell, the first resistance-reducing metal layer is electrically connected with the first electrode layer, Due to the small resistance of the first resistance-reducing metal layer, the setting of the first resistance-reducing metal layer can effectively reduce the impedance during the transmission of the first voltage signal, so that the voltages in different regions are consistent, which is conducive to realizing the uniformity of driving power , the screen display is uniform; in addition, the voltage of the area far from the pressurized area of the dimming liquid crystal cell can also meet the tilt angle required by the liquid crystal molecules in the polymer network, which is conducive to obtaining a stable peep-proof viewing angle.

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Abstract

一种显示面板及显示装置，显示面板包括显示液晶盒（200）和调光液晶盒（100），调光液晶盒（100）包括第一基板（11）、第二基板（12）、调光液晶层（13）、第一电极层（14）和第二电极层（15）；第一基板（11）上设置有与第一电极层（14）电连接的第一降阻金属层（16），由于第一降阻金属层（16）电阻较小，可有效地降低电压信号传输过程中的阻抗，有利于实现驱动加电的均一性。

Description

显示面板及显示装置 技术领域
本申请涉及显示技术领域，尤其涉及一种显示面板及显示装置。
 背景技术
在制作特殊相位调控液晶盒用于可切换的防窥显示器时，调光液晶盒中的聚合物网络液晶通过特定方向取向，在无外加电场时，聚合物网络液晶为倾斜取向，在大视角方向对显示面板的偏振光进行相位，使大视角的光线被上偏光片做拦截，实现窄视角显示；而在正常显示时，对聚合物网络液晶施加电压，使聚合物网络液晶做水平或垂直取向，此时视角不收影响，由于此模式下的聚合物网络液晶具有一定的雾度，能够使得视角得到扩大化，均一化，实现动态防窥，可实现宽窄视角模式的自由切换。
然而，由于调光液晶盒的尺寸扩大化，位于基板上的电极层面电阻过大，RC loading（电阻电容负载）较大，导致调光液晶盒距离加压区较远的区域的电压无法满足聚合物网络液晶所需的倾斜角度，且不同区域的电压不一致易导致侧视角下画面显示不均，造成大视角漏光，影响防窥效果。
 技术问题
本申请实施例提供一种显示面板及显示装置，以解决现有的显示面板及显示装置中的调光液晶盒，电极层面电阻过大导致不同区域的电压不一致，进而导致画面显示不均、防窥效果较差的技术问题。
 技术解决方案
为解决上述问题，本申请提供的技术方案如下：
本申请提供一种显示面板，包括显示液晶盒和设置于所述显示液晶盒一侧的调光液晶盒，所述调光液晶盒包括：
第一基板；
第二基板，设置于所述第一基板远离所述显示液晶盒的一侧；
调光液晶层，设置于所述第一基板和第二基板之间，所述调光液晶层包括聚合物网络以及分布于所述聚合物网络中的多个液晶分子；以及
第一电极层，设置于所述第一基板朝向所述第二基板的一侧，所述第一电极层接入第一电压信号；
其中，所述第一基板上还设置有第一降阻金属层，所述第一降阻金属层与所述第一电极层电连接，所述第一降阻金属层围绕所述第一电极层设置。
根据本申请提供的显示面板，所述第一电极层包括呈阵列排布的多个子电极部，所述第一降阻金属层包括多个子金属部，多个所述子金属部与多个所述子电极部一一对应连接；其中，每一个所述子金属部分别接入不同的所述第一电压信号。
根据本申请提供的显示面板，多个所述子金属部接入的不同的多个所述第一电压信号依次呈正负交替变化。
根据本申请提供的显示面板，所述第一电极层和所述第一降阻金属层异层设置，所述第一电极层和所述第一降阻金属层之间设置有第一绝缘层，所述第一降阻金属层通过贯穿所述第一绝缘层的过孔与所述第一电极层电连接。
根据本申请提供的显示面板，所述第一降阻金属层在所述第一基板上的正投影位于所述第一电极层在所述第一基板上的正投影的边缘。
根据本申请提供的显示面板，所述第一降阻金属层的材料包括钼、铝、银、铜和钼/铝/钼中的其中一种或组合。
根据本申请提供的显示面板，所述调光液晶盒还包括：
第二电极层，设置于所述第二基板朝向所述第一基板的一侧，所述第二电极层接入第二电压信号；
第二降阻金属层，设置于所述第二基板上，所述第二降阻金属层与所述第二电极层电连接。
根据本申请提供的显示面板，所述第一电压信号为驱动电压信号，所述第二电压信号为公共电压信号。
根据本申请提供的显示面板，所述第一基板和所述第二基板之间还设置有框胶层，所述框胶层内设置有金球，所述第一电极层通过所述金球与所述第二电极层电连接。
本申请提供一种显示面板，包括显示液晶盒和设置于所述显示液晶盒一侧的调光液晶盒，所述调光液晶盒包括：
第一基板；
第二基板，设置于所述第一基板远离所述显示液晶盒的一侧；
调光液晶层，设置于所述第一基板和第二基板之间，所述调光液晶层包括聚合物网络以及分布于所述聚合物网络中的多个液晶分子；以及
第一电极层，设置于所述第一基板朝向所述第二基板的一侧，所述第一电极层接入第一电压信号；
其中，所述第一基板上还设置有第一降阻金属层，所述第一降阻金属层与所述第一电极层电连接。
根据本申请提供的显示面板，所述第一电极层包括呈阵列排布的多个子电极部，所述第一降阻金属层包括多个子金属部，多个所述子金属部与多个所述子电极部一一对应连接；其中，每一个所述子金属部分别接入不同的所述第一电压信号。
根据本申请提供的显示面板，多个所述子金属部接入的不同的多个所述第一电压信号依次呈正负交替变化。
根据本申请提供的显示面板，所述第一电极层和所述第一降阻金属层异层设置，所述第一电极层和所述第一降阻金属层之间设置有第一绝缘层，所述第一降阻金属层通过贯穿所述第一绝缘层的过孔与所述第一电极层电连接。
根据本申请提供的显示面板，所述第一降阻金属层在所述第一基板上的正投影位于所述第一电极层在所述第一基板上的正投影的边缘。
根据本申请提供的显示面板，所述第一降阻金属层的材料包括钼、铝、银、铜和钼/铝/钼中的其中一种或组合。
根据本申请提供的显示面板，所述调光液晶盒还包括：
第二电极层，设置于所述第二基板朝向所述第一基板的一侧，所述第二电极层接入第二电压信号；
第二降阻金属层，设置于所述第二基板上，所述第二降阻金属层与所述第二电极层电连接。
根据本申请提供的显示面板，所述第一电压信号为驱动电压信号，所述第二电压信号为公共电压信号。
根据本申请提供的显示面板，所述第一基板和所述第二基板之间还设置有框胶层，所述框胶层内设置有金球，所述第一电极层通过所述金球与所述第二电极层电连接。
根据本申请提供的显示面板，所述显示面板还包括：
第一偏光片，设置于所述显示液晶盒和所述调光液晶盒之间；以及
第二偏光片，设置于所述调光液晶盒远离所述第一偏光片的一侧，且所述第一偏光片的光轴方向与所述第二偏光片的光轴方向平行；
其中，所述聚合物网络沿第一方向排布，所述第一方向相对于所述第一偏光片的法线倾斜；在第一模式下，所述液晶分子的长轴沿所述第一方向排布；在第二模式下，所述液晶分子的长轴沿第二方向排布，所述第二方向与所述第一方向相异，且所述第一模式下的所述显示面板的视角小于所述第二模式下的所述显示面板的视角。
本申请提供一种显示装置，包括显示面板，所述显示面板包括显示液晶盒和设置于所述显示液晶盒一侧的调光液晶盒，所述调光液晶盒包括：
第一基板；
第二基板，设置于所述第一基板远离所述显示液晶盒的一侧；
调光液晶层，设置于所述第一基板和第二基板之间，所述调光液晶层包括聚合物网络以及分布于所述聚合物网络中的多个液晶分子；以及
第一电极层，设置于所述第一基板朝向所述第二基板的一侧，所述第一电极层接入第一电压信号；
其中，所述第一基板上还设置有第一降阻金属层，所述第一降阻金属层与所述第一电极层电连接。
 有益效果
本申请的有益效果为：本申请提供的显示面板及显示装置，通过在调光液晶盒的第一基板上设置有第一降阻金属层，第一降阻金属层与第一电极层电连接，由于第一降阻金属层的电阻较小，第一降阻金属层的设置可有效地降低第一电压信号传输过程中的阻抗，使得不同区域的电压一致，有利于实现驱动加电的均一性，画面显示均匀；此外，能够使得调光液晶盒距离加压区较远的区域的电压也可满足聚合物网络中的液晶分子所需的倾斜角度，有利于获得稳定的防窥视角。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请实施例提供的第一种显示面板的截面结构示意图；
图2是本申请实施例提供的第一基板的一种的截面结构示意图；
图3是本申请实施例提供的第二种显示面板的截面结构示意图；
图4是本申请实施例提供的调光液晶盒的第一种俯视结构示意图；
图5是本申请实施例提供的调光液晶盒的第二种俯视结构示意图；
图6是本申请实施例提供的调光液晶盒的第三种俯视结构示意图；
图7是本申请实施例提供的第三种显示面板的截面结构示意图。
附图标记说明：
100、调光液晶盒；200、显示液晶盒；11、第一基板；12、第二基板；13、调光液晶层；131、聚合物网络；132、液晶分子；14、第一电极层；141、子电极部；15、第二电极层；16、第一降阻金属层；161、子金属部；17、第二降阻金属层；18、第一绝缘层；181、第一过孔；19、第二绝缘层；191、第二过孔； 20、框胶层；201、金球；21、第一偏光片；22、第二偏光片。
 本发明的实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅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，本领域技术人员在没有作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。此外，应当理解的是，此处所描述的具体实施方式仅用于说明和解释本申请，并不用于限制本申请。在本申请中，在未作相反说明的情况下，使用的方位词如“上”和“下”通常是指装置实际使用或工作状态下的上和下，具体为附图中的图面方向；而“内”和“外”则是针对装置的轮廓而言的。
请参阅图1和图2，图1是本申请实施例提供的第一种显示面板的截面结构示意图；图2是本申请实施例提供的第一基板的一种的截面结构示意图；本申请实施例提供一种显示面板，所述显示面板包括调光液晶盒100和显示液晶盒200，所述调光液晶盒100设置于所述显示液晶盒200一侧，所述显示液晶盒200为显示液晶盒，所述显示液晶盒200射出的光线经过所述调光液晶盒100进行调制以实现宽视角模式和窄视角模式的自由切换。
具体地，所述调光液晶盒100包括第一基板11、第二基板12、调光液晶层13、第一电极层14和第一降阻金属层16。所述第一基板11和所述第二基板12相对设置，所述第二基板12设置于所述第一基板11远离所述显示液晶盒200的一侧；所述调光液晶层13设置于所述第一基板11和所述第二基板12之间，所述调光液晶层13包括聚合物网络131分布于所述聚合物网络131中的多个液晶分子132，所述液晶分子132为向列相液晶分子；所述第一电极层14设置于所述第一基板11朝向所述第二基板12的一侧，所述第一电极层14接入第一电压信号。
本申请通过在所述第一基板11上设置有第一降阻金属层16，所述第一降阻金属层16与所述第一电极层14电连接，由于所述第一降阻金属层16的电阻较小，所述第一降阻金属层16和所述第一电极层14相连可有效地降低所述第一电压信号传输过程中的阻抗，使得所述第一基板11不同区域的电压一致，有利于实现驱动加电的均一性，使得画面显示均匀；此外，能够使得所述调光液晶盒100距离加压区较远的区域的电压也可满足所述聚合物网络中的所述液晶分子132所需的倾斜角度，使得防窥视角稳定。
需要说明的是，所述第一基板11可以为靠近所述显示液晶盒200一侧的基板，所述第二基板12可以为远离所述显示液晶盒200一侧的基板，此种情况下，所述第一基板11接入的第一电压信号为驱动电压信号，所述第二基板12接入的第二电压信号为公共电压信号；或者，所述第一基板11可以为远离所述显示液晶盒200一侧的基板，所述第二基板12为靠近所述显示液晶盒200一侧的基板，此种情况下，所述第一基板11接入的第一电压信号为公共电压信号，所述第二基板12接入的第二电压信号为驱动电压信号。
进一步地，所述调光液晶盒100还包括第二电极层15，所述第二电极层15设置于所述第二基板12朝向所述第一基板11的一侧，所述第二电极层15接入第二电压信号，所述液晶分子132在所述第一电压信号和所述第二电压信号形成的电场的作用下进行偏转以使倾斜角度满足要求，从而调制从所述显示液晶盒200射出的光线，实现宽视角模式和窄视角模式的自由切换；同理地，所述第二电极层15的电阻电容负载，导致所述第二基板12距离加压区较远的区域的电压无法满足所述液晶分子132所需的倾斜角度，易导致侧视角下画面显示不均。
因此，请参阅图3和图4，图3是本申请实施例提供的第二种显示面板的截面结构示意图；图4是本申请实施例提供的调光液晶盒的第一种俯视结构示意图；本申请实施例还可在所述第二基板12上同样设置降阻金属层，即，在所述第二基板12上设置有第二降阻金属层17，所述第二降阻金属层17与所述第二电极层15电连接，由于所述第二降阻金属层17的电阻较小，所述第二降阻金属层17和所述第二电极层15相连可有效地降低所述第二电压信号传输过程中的阻抗，使得所述第二基板12不同区域的电压一致，有利于实现驱动加电的均一性，使得画面显示均匀；此外，能够进一步使得所述调光液晶盒100距离加压区较远的区域的电压也可满足所述聚合物网络131中的所述液晶分子132所需的倾斜角度，使得防窥视角稳定。
为了清楚地解释说明本申请的技术方案，本申请实施例以所述第一基板11接入的第一电压信号为驱动电压信号，所述第二基板12接入的第二电压信号为公共电压信号为例进行阐述说明。
具体地，所述驱动电压信号AC为交流电压信号，所述公共电压信号COM为直流电压信号。
具体地，请参阅图5和图6，图5是本申请实施例提供的调光液晶盒的第二种俯视结构示意图；图6是本申请实施例提供的调光液晶盒的第三种俯视结构示意图；所述第一电极层14包括呈阵列排布的多个子电极部141，所述第一降阻金属层16包括多个子金属部161，多个所述子金属部161与多个所述子电极部141一一对应连接；其中，每一个所述子金属部161分别接入不同的所述第一电压信号，通过对所述第一电极层14做分区设计，所述子金属部161的设置可降低对应的所述子电极部141的电阻，从而使得各个所述子电极部141的电阻均降低，进而可进一步降低整个所述第一电极层14的电阻；且能够更为精细地对所述第一基板11不同区域的电压进行调整。
需要说明的是，本申请实施例对于所述子电极部141的数量不作限制，例如，在图5中，所述第一电极层14包括三个位于依次排列的所述子电极部141，三个所述子电极部141从左至右依次接入所述第一电压信号AC1~3，所述子金属部161设置于对应的所述子电极部141靠近接入所述第一电压信号AC1~3的电压端；再如，在图6中，所述第一电极层14包括八个呈阵列排布的所述子电极部141，八个所述子电极部141呈2行4列排布，八个所述子电极部141依次接入所述第一电压信号AC1~8，其中，位于第一行的四个所述子电极部141从左至右依次接入所述第一电压信号AC1~4，位于第二行的四个所述子电极部141从左至右依次接入所述第一电压信号AC5~8，其中，所述第一降阻金属层设置于所述第一电极层14的周围，每一所述子金属部161设置于对应的所述子电极部141的边缘。
进一步地，多个所述子金属部161接入的不同的多个所述第一电压信号AC依次呈正负交替变化，可避免大电容的逆压电效应造成的震动和啸叫，以图为例，所述第一电压信号AC1~4按照+/-/+/-的方式驱动，所述第一电压信号AC5~8按照+/-/+/-的方式驱动。
具体地，每一所述子电极部141的面积可设置为相等，也可设置为不相等，具体应根据各区域阻抗情况进行调整，本申请实施例对此不做任何限制。
同样地，多个所述子电极部141的排列方式也应根据各区域阻抗情况进行调整，本申请实施例对此同样不做任何限制。
当然地，所述第二电极层15也可采用分区设计，进一步降低整个所述第二电极层15的电阻，具体请参阅上述关于所述第一电极层14进行分区设计的描述，在此不再赘述。
具体地，所述第一电极层14与所述第一降阻金属层16异层设置，所述第一电极层14和所述第一降阻金属层16之间设置有第一绝缘层18，所述第一降阻金属层16通过贯穿所述第一绝缘层18的第一过孔181与所述第一电极层14电连接。可选地，在一种实施方式中，所述第一绝缘层18覆盖所述第一电极层14，所述第一降阻金属层16设置于所述第一绝缘层18远离所述第一基板11的一侧；在另一种实施方式中，所述第一绝缘层18覆盖所述第一降阻金属层16，所述第一电极层14设置于所述第一绝缘层18远离所述第一基板11的一侧。
同样地，所述第二电极层15也可与所述第二降阻金属层17异层设置，所述第二电极层15和所述第二降阻金属层17之间设置有第二绝缘层19，所述第二降阻金属层17通过贯穿所述第二绝缘层19的第二过孔191与所述第二电极层15电连接。可选地，在一种实施方式中，所述第二绝缘层19覆盖所述第二电极层15，所述第二降阻金属层17设置于所述第二绝缘层19远离所述第二基板12的一侧；在另一种实施方式中，所述第二绝缘层19覆盖所述第二降阻金属层17，所述第二电极层15设置于所述第二绝缘层19远离所述第二基板12的一侧。
具体地，所述第一绝缘层18和所述第二绝缘层19可以为有机绝缘材料，也可以为无机绝缘材料。
当然地，所述第一降阻金属层16也可直接与所述第一电极层14搭接，所述第二降阻金属层17也可直接与所述第二电极层15搭接，省去了所述第一绝缘层18和所述第二绝缘层19，有利于降低所述调光液晶盒100的厚度，从而减薄所述显示面板的厚度。
在本实施例中，所述第一降阻金属层16在所述第一基板11上的正投影位于所述第一电极层14在所述第一基板11上的正投影的边缘，以使所述第一降阻金属层16的设置较小地影响所述第一电极层14的开口率。
当然地，所述第二降阻金属层17在所述第二基板12上的正投影位于所述第二电极层15在所述第二基板12上的正投影的边缘，以使所述第二降阻金属层17的设置影响所述第二电极层15的开口率。
具体地，在本申请实施例中，请参阅图2和图4，所述第一降阻金属层16环绕所述第一电极层14设置，所述第二降阻金属层17环绕所述第二电极层15设置，可以理解的是，本申请实施例通过将所述第一降阻金属层16和所述第二降阻金属层17分别设置于所述第一电极层14和所述第二电极层15周边，可避免所述显示液晶盒200和所述调光液晶盒100组立完成后存在的干涉纹问题，有利于提升所述显示面板的画面显示效果。
当然地，在其他实施例中，所述第一降阻金属层16和所述第二降阻金属层17也可采用其它形状，例如，可对所述第一降阻金属层16和所述第二降阻金属层17进行整面图案化设计（如细线）。
具体地，在本申请实施例中，所述第一降阻金属层16设置为一圈，所述第二降阻金属层17设置为一圈，但需要说明的是，本申请对于所述第一降阻金属层16和所述第二降阻金属层17的具体圈数并不作任何限制，具体应根据实际情况而定。
具体地，所述第一降阻金属层16和所述第二降阻金属层17由具有较佳电导率的其他材料形成，且其电阻率均小于所述第一电极层14和所述第二电极层15的电阻率。
可选地，所述第一降阻金属层16和所述第二降阻金属层17的材料包括钼、铝、银、铜和钼/铝/钼中的其中一种或组合。
可选地，所述第一电极层14和所述第二电极层15的材料包括氧化铟锡（Indium tin oxide，ITO）。
进一步地，请参阅图1和图5，所述第一基板11和所述第二基板12之间还设置有框胶层20，所述框胶层20内设置有金球201，所述第一电极层14通过所述金球201与所述第二电极层15电连接，以将所述第二电极层15从所述第二基板12引到所述第一基板11上，从而实现同侧出脚的设计，可使得所述第一电压信号和所述第二电压信号仅从所述第一基板11一侧接入，有利于简化结构。
进一步地，请参阅图1和图3，所述显示面板还包括第一偏光片21和第二偏光片22，所述第一偏光片21设置于所述显示液晶盒200和所述调光液晶盒100之间，所述第二偏光片22设置于所述调光液晶盒100远离所述第一偏光片21的一侧，且所述第一偏光片21的光轴方向与所述第二偏光片22的光轴方向平行；其中，所述聚合物网络沿第一方向w排布，所述第一方向w相对于所述第一偏光片21的法线倾斜；在第一模式下，所述液晶分子132的长轴沿所述第一方向w排布；在第二模式下，所述液晶分子132的长轴沿第二方向排布，所述第二方向与所述第一方向w相异，且所述第一模式下的所述显示面板的视角小于所述第二模式下的所述显示面板的视角。
需要说明的是，在一种实施方式中，请参阅图1和图3，所述调光液晶盒100可以设置于所述显示液晶盒200的上方。
在另一种实施方式中，请参阅图7，图7是本申请实施例提供的第三种显示面板的截面结构示意图；所述调光液晶盒100也可以设置于所述显示液晶盒200的下方。需要说明的是，在本申请实施例中，所述显示面板的第一模式可为防窥显示模式，所述显示面板的第二模式可为常规显示模式。另外，所述调光液晶层13用于在所述第一模式下，使得沿所述第一偏光片21的法线方向z入射的第一光线通过所述第二偏光片22，且使得沿倾斜于所述第一偏光片21的法线方向z入射的第二光线藉由所述第二偏光片22阻挡或部分阻挡；而在所述第二模式下，所述液晶分子132的长轴与第一方向w相异，以使得更多的光线可以通过所述第二偏光片22，以提高所述显示面板在所述第二模式下的视角范围，以使得所述显示面板在所述第二模式下的视角大于所述显示面板在所述第一模式下的视角。
在实施应用过程中，本申请实施例通过将所述调光液晶层13中的所述聚合物网络沿倾斜于所述第一偏光片21的法线方向z排布，进而可以给所述液晶分子132提供一个定向作用，使得所述液晶分子132的长轴也倾斜于所述第一偏光片的法线方向z，由于所述液晶分子132本身对于光线的偏转特性，进而可以使得沿所述第一偏光片21的法线方向z入射的第一光线通过所述第二偏光片22，以及使得倾斜于所述第一偏光片21的法线方向z入射的所述第二光线被所述第二偏光片22阻挡或部分阻挡。则本申请实施例提供的所述显示面板能对不同视角下的光线进行选择性透过，进而可以起到特定视角防窥的作用，且本申请提供的所述显示面板还可以在防窥显示和常规显示之间进行切换，以提高所述显示面板的适用性。
进一步地，所述调光液晶盒100还包括第一配向膜（图中未示出）和第二配向膜（图中未示出），用于为所述液晶分子132进行配向，所述第一配向膜设置于所述第一电极层14远离所述第一基板11的一侧，所述第二配向膜设置于所述第二电极层15远离所述第二基板12的一侧。
有益效果为：本申请实施例提供的显示面板及显示装置，通过在调光液晶盒的第一基板上设置有第一降阻金属层，第一降阻金属层与第一电极层电连接，由于第一降阻金属层的电阻较小，第一降阻金属层的设置可有效地降低第一电压信号传输过程中的阻抗，使得不同区域的电压一致，有利于实现驱动加电的均一性，画面显示均匀；此外，能够使得调光液晶盒距离加压区较远的区域的电压也可满足聚合物网络中的液晶分子所需的倾斜角度，有利于获得稳定的防窥视角。
综上所述，虽然本申请已以优选实施例揭露如上，但上述优选实施例并非用以限制本申请，本领域的普通技术人员，在不脱离本申请的精神和范围内，均可作各种更动与润饰，因此本申请的保护范围以权利要求界定的范围为准。

Claims (20)

  1. 一种显示面板，包括显示液晶盒和设置于所述显示液晶盒一侧的调光液晶盒，所述调光液晶盒包括：
    第一基板；
    第二基板，设置于所述第一基板远离所述显示液晶盒的一侧；
    调光液晶层，设置于所述第一基板和第二基板之间，所述调光液晶层包括聚合物网络以及分布于所述聚合物网络中的多个液晶分子；以及
    第一电极层，设置于所述第一基板朝向所述第二基板的一侧，所述第一电极层接入第一电压信号；
    其中，所述第一基板上还设置有第一降阻金属层，所述第一降阻金属层与所述第一电极层电连接，所述第一降阻金属层围绕所述第一电极层设置。
  2. 根据权利要求1所述的显示面板，其中，所述第一电极层包括呈阵列排布的多个子电极部，所述第一降阻金属层包括多个子金属部，多个所述子金属部与多个所述子电极部一一对应连接；其中，每一个所述子金属部分别接入不同的所述第一电压信号。
  3. 根据权利要求2所述的显示面板，其中，多个所述子金属部接入的不同的多个所述第一电压信号依次呈正负交替变化。
  4. 根据权利要求1所述的显示面板，其中，所述第一电极层和所述第一降阻金属层异层设置，所述第一电极层和所述第一降阻金属层之间设置有第一绝缘层，所述第一降阻金属层通过贯穿所述第一绝缘层的过孔与所述第一电极层电连接。
  5. 根据权利要求1所述的显示面板，其中，所述第一降阻金属层在所述第一基板上的正投影位于所述第一电极层在所述第一基板上的正投影的边缘。
  6. 根据权利要求1所述的显示面板，其中，所述第一降阻金属层的材料包括钼、铝、银、铜和钼/铝/钼中的其中一种或组合。
  7. 根据权利要求1所述的显示面板，其中，所述调光液晶盒还包括：
    第二电极层，设置于所述第二基板朝向所述第一基板的一侧，所述第二电极层接入第二电压信号；
    第二降阻金属层，设置于所述第二基板上，所述第二降阻金属层与所述第二电极层电连接。
  8. 根据权利要求7所述的显示面板，其中，所述第一电压信号为驱动电压信号，所述第二电压信号为公共电压信号。
  9. 根据权利要求7所述的显示面板，其中，所述第一基板和所述第二基板之间还设置有框胶层，所述框胶层内设置有金球，所述第一电极层通过所述金球与所述第二电极层电连接。
  10. 一种显示面板，包括显示液晶盒和设置于所述显示液晶盒一侧的调光液晶盒，其中，所述调光液晶盒包括：
    第一基板；
    第二基板，设置于所述第一基板远离所述显示液晶盒的一侧；
    调光液晶层，设置于所述第一基板和第二基板之间，所述调光液晶层包括聚合物网络以及分布于所述聚合物网络中的多个液晶分子；以及
    第一电极层，设置于所述第一基板朝向所述第二基板的一侧，所述第一电极层接入第一电压信号；
    其中，所述第一基板上还设置有第一降阻金属层，所述第一降阻金属层与所述第一电极层电连接。
  11. 根据权利要求10所述的显示面板，其中，所述第一电极层包括呈阵列排布的多个子电极部，所述第一降阻金属层包括多个子金属部，多个所述子金属部与多个所述子电极部一一对应连接；其中，每一个所述子金属部分别接入不同的所述第一电压信号。
  12. 根据权利要求11所述的显示面板，其中，多个所述子金属部接入的不同的多个所述第一电压信号依次呈正负交替变化。
  13. 根据权利要求10所述的显示面板，其中，所述第一电极层和所述第一降阻金属层异层设置，所述第一电极层和所述第一降阻金属层之间设置有第一绝缘层，所述第一降阻金属层通过贯穿所述第一绝缘层的过孔与所述第一电极层电连接。
  14. 根据权利要求10所述的显示面板，其中，所述第一降阻金属层在所述第一基板上的正投影位于所述第一电极层在所述第一基板上的正投影的边缘。
  15. 根据权利要求10所述的显示面板，其中，所述第一降阻金属层的材料包括钼、铝、银、铜和钼/铝/钼中的其中一种或组合。
  16. 根据权利要求10所述的显示面板，其中，所述调光液晶盒还包括：
    第二电极层，设置于所述第二基板朝向所述第一基板的一侧，所述第二电极层接入第二电压信号；
    第二降阻金属层，设置于所述第二基板上，所述第二降阻金属层与所述第二电极层电连接。
  17. 根据权利要求16所述的显示面板，其中，所述第一电压信号为驱动电压信号，所述第二电压信号为公共电压信号。
  18. 根据权利要求16所述的显示面板，其中，所述第一基板和所述第二基板之间还设置有框胶层，所述框胶层内设置有金球，所述第一电极层通过所述金球与所述第二电极层电连接。
  19. 根据权利要求10所述的显示面板，其中，所述显示面板还包括：
    第一偏光片，设置于所述显示液晶盒和所述调光液晶盒之间；以及
    第二偏光片，设置于所述调光液晶盒远离所述第一偏光片的一侧，且所述第一偏光片的光轴方向与所述第二偏光片的光轴方向平行；
    其中，所述聚合物网络沿第一方向排布，所述第一方向相对于所述第一偏光片的法线倾斜；在第一模式下，所述液晶分子的长轴沿所述第一方向排布；在第二模式下，所述液晶分子的长轴沿第二方向排布，所述第二方向与所述第一方向相异，且所述第一模式下的所述显示面板的视角小于所述第二模式下的所述显示面板的视角。
  20. 一种显示装置，包括显示面板，其中，所述显示面板包括显示液晶盒和设置于所述显示液晶盒一侧的调光液晶盒，所述调光液晶盒包括：
    第一基板；
    第二基板，设置于所述第一基板远离所述显示液晶盒的一侧；
    调光液晶层，设置于所述第一基板和第二基板之间，所述调光液晶层包括聚合物网络以及分布于所述聚合物网络中的多个液晶分子；以及
    第一电极层，设置于所述第一基板朝向所述第二基板的一侧，所述第一电极层接入第一电压信号；
    其中，所述第一基板上还设置有第一降阻金属层，所述第一降阻金属层与所述第一电极层电连接。
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