WO2022241836A1 - 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
WO2022241836A1
WO2022241836A1 PCT/CN2021/097519 CN2021097519W WO2022241836A1 WO 2022241836 A1 WO2022241836 A1 WO 2022241836A1 CN 2021097519 W CN2021097519 W CN 2021097519W WO 2022241836 A1 WO2022241836 A1 WO 2022241836A1
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WO
WIPO (PCT)
Prior art keywords
light
liquid crystal
layer
refractive index
crystal molecules
Prior art date
Application number
PCT/CN2021/097519
Other languages
English (en)
French (fr)
Inventor
张鹏飞
Original Assignee
武汉华星光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉华星光电技术有限公司 filed Critical 武汉华星光电技术有限公司
Priority to US17/599,482 priority Critical patent/US11860473B2/en
Publication of WO2022241836A1 publication Critical patent/WO2022241836A1/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
    • G02F1/133377—Cells with plural compartments or having plurality of liquid crystal microcells partitioned by walls, e.g. one microcell per pixel
    • 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
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    • 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
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    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
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    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • G—PHYSICS
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    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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
    • G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
    • 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
    • G02F1/133553—Reflecting elements
    • 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
    • G02F1/1336—Illuminating devices
    • G02F1/133618—Illuminating devices for ambient light
    • 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
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    • G02F1/1339—Gaskets; Spacers; Sealing of cells
    • G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
    • G—PHYSICS
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    • 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
    • G02F1/134345—Subdivided pixels, e.g. for grey scale or redundancy
    • G—PHYSICS
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    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/13706—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering the liquid crystal having positive dielectric anisotropy
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    • 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
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    • 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
    • G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
    • G02F1/13712—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering the liquid crystal having negative dielectric anisotropy
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    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/08—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 light absorbing layer
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2202/00—Materials and properties
    • G02F2202/04—Materials and properties dye
    • G02F2202/046—Materials and properties dye fluorescent

Definitions

  • the present application relates to the field of display technology, in particular to a display panel and a display device.
  • the reflective display made by the principle of diffuse reflection reduces the damage of the light source to the eyes because it does not need a backlight.
  • the reflective display has a strong dependence on ambient light, and the contrast between the white state and the black state is poor, and the display quality needs to be improved.
  • Embodiments of the present application provide a display panel and a display device, which can improve the problem of poor display contrast between a white state and a black state when the display panel relies on external ambient light reflection to achieve display.
  • An embodiment of the present application provides a display panel, the display panel includes a display side, and the display panel includes a liquid crystal layer, a light adjustment layer, and a reflection layer.
  • the liquid crystal layer includes a plurality of liquid crystal molecules
  • the light adjustment layer includes a plurality of light adjustment parts
  • each of the light adjustment parts and the corresponding liquid crystal molecules has a contact interface
  • the reflective layer is located between the liquid crystal layer and the corresponding liquid crystal molecules.
  • a side of the light adjustment layer away from the display side corresponds to a plurality of the light adjustment parts.
  • the contact interface allows total reflection of incident light thereon; when the refractive index of the liquid crystal molecule and the one of the light adjustment part that is close to the display side is smaller than that of the liquid crystal molecule that is far away from the light adjustment part When the refractive index of one of the display sides is lower, the contact interface transmits the incident light.
  • the refractive index of the light adjustment layer is between the ordinary light refractive index and the extraordinary light refractive index of the liquid crystal molecules
  • the display panel further includes a first sub- The electrodes and the second electrode, the first sub-electrode and the second electrode are used to apply a voltage to have a driving voltage difference to drive the liquid crystal molecules to have the ordinary light refractive index or the extraordinary light refractive index.
  • the liquid crystal layer is located on a side of the light adjustment layer away from the display side; or, the liquid crystal layer is located on a side of the light adjustment layer close to the display side side.
  • the liquid crystal molecules are positive liquid crystal molecules, and when there is the driving voltage difference between the first sub-electrode and the second electrode, the liquid crystal molecules Having the ordinary light refractive index, the light adjustment layer has a higher refractive index than the ordinary light refractive index; when there is no driving voltage difference between the first sub-electrode and the second electrode, The liquid crystal molecules have the extraordinary refractive index, and the refractive index of the light adjustment layer is smaller than the extraordinary refractive index.
  • the liquid crystal molecules are negative liquid crystal molecules, and when there is no driving voltage difference between the first sub-electrode and the second electrode, the liquid crystal The molecules have the ordinary light refractive index, and the light adjustment layer has a higher refractive index than the ordinary light refractive index; when there is the driving voltage difference between the first sub-electrode and the second electrode, The liquid crystal molecules have the extraordinary refractive index, and the refractive index of the light adjustment layer is smaller than the extraordinary refractive index.
  • the side of the light adjustment part away from the liquid crystal layer has a second surface connected to the contact interface, and the contact interface and the second surface It has a first included angle and a second included angle, the first included angle is greater than the incident angle corresponding to the vertical incident light in the incident light when total reflection occurs on the contact interface, and the first included angle is equal to the Describe the second included angle.
  • the light adjustment part protrudes toward the liquid crystal layer, and the light adjustment part is a prism or a half cylinder.
  • the display panel further includes a first substrate and a second substrate oppositely arranged, the first substrate includes the reflection layer, the liquid crystal layer and the light adjustment The layer is located between the first substrate and the second substrate, and the display panel further includes a plurality of spacer columns located between the first substrate and the second substrate, and each spacer column is located at a corresponding Between the two light adjustment parts, the spacer column includes black material.
  • the reflective layer includes a reflective light conversion layer, and the reflective light conversion layer includes a plurality of reflective light conversion parts, and the plurality of reflective light conversion parts are connected to A plurality of the light adjustment parts correspond to each other.
  • the reflective layer further includes a reflective sheet located under the reflective light conversion layer.
  • the display panel further includes a light absorbing layer close to the reflective light conversion layer, each of the light absorbing layers includes a plurality of the light absorbing parts, and a plurality of The light absorbing part corresponds to a plurality of the light adjusting parts, and each of the light absorbing parts absorbs the incident light passing through the contact interface.
  • the display panel further includes a pixel definition layer, and the pixel definition layer includes a plurality of grooves, a plurality of the light absorbing parts and a plurality of the reflective light conversion Each of the portions is located within a corresponding said groove.
  • the pixel definition layer includes a white photoresist material
  • each of the light absorbing parts includes a black photoresist material
  • each of the reflective light conversion parts includes a fluorescent light. Material.
  • the refractive index of the light adjustment layer is greater than or equal to 1.6.
  • an embodiment of the present application further provides a display device, including any one of the above-mentioned display panels.
  • the embodiments of the present application provide a display panel and a display device, the display panel includes a display side, and the display panel includes a liquid crystal layer, a light adjustment layer and a reflection layer.
  • the liquid crystal layer includes a plurality of liquid crystal molecules
  • the light adjustment layer includes a plurality of light adjustment parts
  • each of the light adjustment parts and the corresponding liquid crystal molecules has a contact interface
  • the reflective layer is located between the liquid crystal layer and the corresponding liquid crystal molecules.
  • a side of the light adjustment layer away from the display side corresponds to a plurality of the light adjustment parts.
  • the contact interface allows total reflection of incident light thereon; when the refractive index of the liquid crystal molecule and the one of the light adjustment part that is close to the display side is smaller than that of the liquid crystal molecule that is far away from the light adjustment part When the refractive index of one of the display sides is lower, the contact interface transmits the incident light.
  • the incident light is totally reflected at the contact interface or transmitted through the contact interface, and the incident light transmitted through the contact interface is reflected to the display side by using the reflective layer to improve the display.
  • the panel relies on the reflection of external ambient light to realize the display, the contrast between the white state and the black state is poor.
  • FIG. 1A to FIG. 1E are structural schematic diagrams of a display panel provided by an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a pixel provided by an embodiment of the present application.
  • FIG. 3 is a schematic structural view of the light absorbing portion and the spacer column provided by the embodiment of the present application when absorbing light.
  • FIG. 1A to FIG. 1E are schematic structural diagrams of a display panel provided by an embodiment of the present application.
  • An embodiment of the present application provides a display panel, the display panel includes a display side, and the display panel includes a liquid crystal layer 101 , a light adjustment layer 102 and a reflection layer.
  • the liquid crystal layer 101 includes a plurality of liquid crystal molecules 1011;
  • the light adjustment layer 102 includes a plurality of light adjustment parts 1021, each of the light adjustment parts 1021 and the corresponding liquid crystal molecules 1011 have a contact interface 101a, and the reflection layer is located on the side of the liquid crystal layer 101 and the light adjustment layer 102 away from the display side and corresponds to a plurality of the light adjustment parts 1021 .
  • the contact interface 101a allows the incident light L to undergo total reflection thereon; 1011 and the refractive index of one of the light adjustment part 1021 away from the display side, the contact interface 101a allows the incident light L to pass through, and the incident light L entering the display panel passes through the The reflective layer is reflected to the display side, so as to improve the problem of poor display contrast between white state and black state when the display panel relies on external ambient light reflection to realize display.
  • the refractive index nL of the light adjustment layer 102 is between the ordinary light refractive index no and the extraordinary light refractive index ne of the liquid crystal molecules 1011, so that the display panel can communicate with the liquid crystal layer 101
  • the cooperation of the light adjustment layer 102 realizes the control of the incident light L, so that the incident light L is totally reflected at the contact interface 101a between the liquid crystal molecules 1011 and the light adjustment part 1021, or the The incident light L passes through the liquid crystal layer 101 and the light adjustment layer 102 to improve the display contrast of the display panel.
  • the ordinary light refractive index no is the refractive index of the liquid crystal molecules 1011 along the short axis direction
  • the extraordinary light refractive index ne is the refractive index of the liquid crystal molecules 1011 along the long axis direction
  • the display side is The display panel is used to realize one side of the display.
  • the liquid crystal molecules 1011 may be positive liquid crystal molecules and negative liquid crystal molecules. Further, the liquid crystal molecules 1011 are positive liquid crystal molecules and negative liquid crystal molecules, and the incident light L includes ambient light.
  • the refractive index nL of the light adjustment layer 102 is different from the ordinary light refractive index no and the extraordinary light refractive index ne of the liquid crystal molecules 1011. corresponding relationship.
  • the ordinary light refractive index no of the liquid crystal molecules 1011 is smaller than the refractive index nL of the light adjustment layer 102, and the refractive index nL of the light adjustment layer 102 is smaller than the extraordinary light refractive index ne of the liquid crystal molecules 1011; that is, no ⁇ nL ⁇ ne.
  • the ordinary light refractive index no of the liquid crystal molecules 1011 is greater than the refractive index nL of the light adjustment layer 102, and the refractive index of the light adjustment layer 102
  • the ratio nL is greater than the extraordinary refractive index ne of the liquid crystal molecules 1011; ie ne ⁇ nL ⁇ no.
  • the preparation material of the light adjustment layer 102 includes transparent photoresist, glass and the like. Further, the refractive index of the light adjustment layer 102 may be greater than or equal to 1.6.
  • the side of the light adjustment part 1021 away from the liquid crystal layer 101 has a second surface connected to the contact interface 101a, and the contact interface 101a and the second surface It has a first included angle ⁇ and a second included angle ⁇ .
  • the incident light L is ambient light, the optimization of light utilization is realized.
  • the light adjustment portion 1021 protrudes toward the liquid crystal layer 101 , and the light adjustment portion 1021 is a prism or a semi-cylindrical, as shown in FIGS. 1A to 1E .
  • the contact interface 101a may also be a plane parallel to the surface of the display panel.
  • the display panel further includes a first electrode 103 and a second electrode 104, the first electrode 103 includes a plurality of first sub-electrodes, and the first sub-electrodes and the second electrodes 104 It is used to apply a voltage so that there is a voltage difference between the first sub-electrode and the second electrode 104 , so as to drive the liquid crystal molecules 1011 to have the ordinary refractive index no or the extraordinary refractive index ne.
  • the first electrode 103 and the second electrode 104 can be arranged opposite to each other, as shown in FIGS. 1A to 1E ; the first electrode 103 and the second electrode 104 can also be located on the same side. This will not be repeated here.
  • the first electrode 103 includes one of the pixel electrode or the common electrode, and the second electrode 104 includes the other of the pixel electrode or the common electrode.
  • the common electrode may be designed as a surface electrode or a patterned electrode, and the pixel electrode may be designed as a patterned electrode, so that the display panel can control the plurality of liquid crystal molecules 1011 in different regions.
  • the liquid crystal layer 101 is located on the side of the light adjustment layer 102 away from the display side; or, the liquid crystal layer 101 is located on the side of the light adjustment layer 102 close to the display side side.
  • the light adjustment layer 102 is disposed close to the first electrode 103, and the liquid crystal layer 101 is located between the second electrode 104 and the light adjustment layer 102, as shown in FIGS. 1A to 1B and 1E Show. Specifically, the light adjustment layer 102 is disposed close to the second electrode 104 , and the liquid crystal layer 101 is located between the first electrode 103 and the light adjustment layer 102 , as shown in FIGS. 1C to 1D .
  • the display panel includes a plurality of pixels 200 . Further, each of the pixels 200 includes a plurality of sub-pixels, and the first sub-electrodes are in one-to-one correspondence with the sub-pixels.
  • the plurality of sub-pixels includes a plurality of light-emitting sub-pixels 201 and light-absorbing sub-pixels 202 . Wherein, the light-emitting sub-pixel 201 is used for emitting light according to the incident light L, and the light-absorbing sub-pixel 202 is used for absorbing the incident light L.
  • each pixel 200 can obtain a white display effect through cooperation of light-emitting sub-pixels emitting red light, green light, and blue light.
  • the light-emitting sub-pixel 201 in a pixel 200 may include a first sub-pixel, a second sub-pixel and a third sub-pixel whose light-emitting colors are red, green, and blue.
  • the display panel further includes a plurality of spacer columns 105, and each spacer column 105 is located between the corresponding two light adjustment parts 1021, so that each A spacer column 105 is located between two adjacent sub-pixels, and the spacer column 105 is used to absorb the incident light L, so as to prevent the incident light L from being Incident interference occurs between two adjacent sub-pixels, preventing cross-color occurrence between two adjacent sub-pixels, which is beneficial to improving the display contrast of the display panel.
  • the spacer column 105 includes black material.
  • the reflective layer includes a reflective light conversion layer 106, and the reflective light conversion layer 106 includes a plurality of reflective light conversion parts 1061, and the plurality of reflective light conversion parts 1061 correspond to the plurality of light adjustment parts 1021.
  • each reflective light converting portion 1061 converts the incident light L passing through the contact interface 101 a into outgoing light Le.
  • the light-emitting sub-pixel 201 includes the reflective light conversion part 1061 .
  • each reflective light conversion part 1061 includes fluorescent material, quantum dot material or perovskite material, etc.; the wavelength of the outgoing light Le may be equal to the wavelength of the incident light L, or the outgoing light Le The wavelength of the incident light Le is larger or smaller than the wavelength of the incident light L.
  • the display panel further includes a light absorbing layer 107 close to the reflective light conversion layer 106, each of the light absorbing layers 107 includes a plurality of the light absorbing portions 1071, and the plurality of the light absorbing portions 1071 Corresponding to the plurality of light adjustment parts 1021, each of the light absorption parts 1071 absorbs the incident light L transmitted through the contact interface 101a, so as to improve the display contrast of the display panel. Further, the light absorption sub-pixel 202 includes the light absorption part 1071 . Optionally, each of the light absorbing portions 1071 includes a black photoresist material.
  • the number of the reflective light converting parts 1061 is greater than or equal to the number of the light absorbing parts 1071, so that the display panel has a higher display contrast.
  • the shape and arrangement of the reflective light converting part 1061 and the light absorbing part 1071 can be designed according to actual needs, and will not be repeated here.
  • the display panel further includes a pixel definition layer 108, and the pixel definition layer 108 includes a plurality of grooves, a plurality of the light absorbing parts 1071 and a plurality of the reflective Each of the light conversion parts 1061 is located in the corresponding groove to increase the reflection of the incident light L in the display panel, that is, the incident light L is reflected in the display panel
  • the light conversion unit 1061 converts the converted light Lt, and the converted light Lt is reflected by the pixel definition layer 108 to become the outgoing light Le.
  • the reflectivity of the pixel definition layer 108 to the incident light L in the display panel is greater than 70%.
  • the preparation material of the pixel definition layer 108 includes a white photoresist material.
  • the pixel definition layer 108 includes a transparent photoresist material and titanium dioxide.
  • the transparent photoresist material includes photoresist.
  • the reflective layer also includes a reflective sheet 109, the reflective sheet 109 is located under the reflective light conversion layer 106 and the light absorbing layer 107, and the reflective sheet 109 can increase the influence of light entering the display
  • the reflection of the incident light L in the panel increases the outgoing light Le, which is beneficial to enhance the display effect of the display panel.
  • the preparation material of the reflection sheet 109 includes silver, aluminum, gold, copper and the like.
  • the display panel further includes a flat layer 110 , a sealant 111 , a first substrate and a second substrate 112 .
  • the second substrate 112 is arranged opposite to the first substrate, the first substrate includes the reflective layer and a substrate, the liquid crystal layer 101, the light adjustment layer 102 and a plurality of spacer columns 105 are located Between the first substrate and the second substrate 112 , the substrate is located between the pixel definition layer 108 and the reflective sheet 109 .
  • the flat layer 110 is located on the reflective light conversion layer 106 , the light absorption layer 107 and the pixel definition layer 108 , and the frame glue 111 is located outside the liquid crystal layer 101 .
  • the positive liquid crystal molecules include positive liquid crystal molecules and negative liquid crystal molecules.
  • the extraordinary light refractive index ne of the liquid crystal molecules 1011 is greater than the ordinary light refractive index no, that is, ne>no, therefore, the refractive index nL of the light adjustment layer 102 is between
  • the refractive index nL of the light adjustment layer 102 is greater than the ordinary light refractive index of the liquid crystal molecules 1011 no and less than the extraordinary light refractive index ne, that is, no ⁇ n1 ⁇ ne.
  • the long axis of the liquid crystal molecules 1011 rotates in a direction parallel to the electric field lines; If the liquid crystal molecules 1011 are negative liquid crystal molecules, the long axis of the liquid crystal molecules 1011 rotates toward a direction perpendicular to the electric field lines.
  • the following will combine the positional relationship between the liquid crystal layer 101 and the light adjustment layer 102, the preparation material of the liquid crystal molecules 1011, the electric field between the first sub-electrode and the second electrode 104 or not. state, and the liquid crystal molecules 1011 correspond to different situations (positional relationship between the liquid crystal layer 101 and the light adjustment layer 102, electric field between the first sub-electrode and the second electrode 104 or no electric field state), the working principle of the display panel will be described.
  • liquid crystal molecules 1011 are positive liquid crystal molecules
  • the liquid crystal molecules are positive liquid crystal molecules as an example for illustration.
  • the liquid crystal molecules 1011 When there is no electric field between the first electrode 103 and the second electrode 104, there is no driving voltage difference, and the liquid crystal molecules 1011 are in an initial state, at this time, the liquid crystal molecules 1011 have the extraordinary light Refractive index ne. And because the refractive index nL of the light adjustment layer 102 is smaller than the extraordinary light refractive index ne of the liquid crystal molecules 1011 (ie nL ⁇ ne), the incident light L is adjusted from the light with a lower refractive index. When the layer 102 enters the liquid crystal layer 101 with a relatively high refractive index, the incident light L passes through the contact interface 101a and enters the inside of the display panel.
  • the light-emitting sub-pixel 201 does not work, and the light-absorbing sub-pixel 202 works. That is, there is no electric field between the first sub-electrode corresponding to the light-emitting sub-pixel 201 and the second electrode 104, there is no driving voltage difference, the incident light L enters the display panel, and the reflected The light conversion unit 1061 converts the incident light L into the outgoing light Le.
  • An electric field is formed between the first sub-electrode corresponding to the light-absorbing sub-pixel 202 and the second electrode 104 , and with the driving voltage difference, the incident light L is totally reflected at the contact interface 101 a.
  • the light-emitting sub-pixel 201 and the light-absorbing sub-pixel 202 work, that is, corresponding to the first sub-electrode and the second electrode 104 of the light-emitting sub-pixel 201 An electric field is formed between them, with the driving voltage difference, an electric field is formed between the first sub-electrode corresponding to the light-absorbing sub-pixel 202 and the second electrode 104, with the driving voltage difference, the incident light L Total reflection occurs at the contact interface 101a.
  • the light-emitting sub-pixel 201 and the light-absorbing sub-pixel 202 are used to work, and the light-emitting sub-pixel 201 does not work,
  • the working mode of the light-absorbing sub-pixel 202 has the advantages of small loss of light energy and high brightness in white state.
  • the monochromatic display includes displaying red, green, blue and so on.
  • the light-emitting sub-pixels 201 in a pixel 200 include a first sub-pixel, a second sub-pixel, a third sub-pixel and the like with different light-emitting colors.
  • a pixel 200 realizes a red display effect, and the light emitting color of the first sub-pixel is red as an example, there is no gap between the first sub-electrode corresponding to the first sub-pixel and the second electrode 104.
  • the electric field does not have the driving voltage difference, the incident light L enters the display panel, and the reflective light conversion part 1061 converts the incident light L into the outgoing light Le.
  • An electric field is formed between the first sub-electrode corresponding to the second sub-pixel, the third sub-pixel and the light-absorbing sub-pixel 202 and the second electrode 104, with the driving voltage difference, and the incident The light L is totally reflected at the contact interface 101a.
  • a situation where the pixel 200 realizes displaying green, blue, etc. can also be obtained, and details will not be repeated here.
  • liquid crystal molecules 1011 as positive liquid crystal molecules and negative liquid crystal molecules as an example for illustration.
  • the liquid crystal molecules 1011 When there is no electric field between the first sub-electrode and the second electrode 104, and there is no driving voltage difference, the liquid crystal molecules 1011 are in the initial state, and the liquid crystal molecules 1011 have the ordinary light refraction rate no, and since the refractive index nL of the light adjustment layer 102 is greater than the ordinary light refractive index no of the liquid crystal molecules 1011 (ie nL>no), the incident light L comes from the higher refractive index When the light adjustment layer 102 enters the liquid crystal layer 101 with a lower refractive index, and the incident angle ⁇ of the incident light L is greater than the critical angle C1, the incident light L is totally reflected at the contact interface 101a.
  • the liquid crystal molecules 1011 have the extraordinary refractive index ne, and since the refractive index nL of the light adjustment layer 102 is smaller than the extraordinary refractive index ne of the liquid crystal molecules 1011 Ordinary light refractive index ne (ie nL ⁇ ne), when the incident light L enters the liquid crystal layer 101 with a higher refractive index from the light adjustment layer 102 with a lower refractive index, the incident light L passes through Through the contact interface 101a, enter the inside of the display panel.
  • the light-emitting sub-pixel 201 in a pixel 200 works, and the light-absorbing sub-pixel 202 does not work. That is, an electric field is formed between the first sub-electrode corresponding to the light-emitting sub-pixel 201 and the second electrode 104, with the driving voltage difference, the incident light L enters the display panel, and the reflective
  • the light converting unit 1061 converts the incident light L into the outgoing light Le. There is no electric field between the first sub-electrode corresponding to the light-absorbing sub-pixel 202 and the second electrode 104 , and there is no driving voltage difference, and the incident light L is totally reflected at the contact interface 101 a.
  • the light-emitting sub-pixel 201 and the light-absorbing sub-pixel 202 in a pixel 200 do not work. That is, there is no electric field between the first sub-electrode corresponding to the light-emitting sub-pixel 201 and the second electrode 104, and there is no driving voltage difference, and the first sub-electrode corresponding to the light-absorbing sub-pixel 202 and the There is no electric field between the second electrodes 104, and there is no driving voltage difference, and the incident light L is totally reflected at the contact interface 101a.
  • the light-emitting sub-pixel 201 and the light-absorbing sub-pixel 202 are not working, and the light-emitting sub-pixel 201 is working,
  • the mode in which the light-absorbing sub-pixel 202 does not work has the advantages of small loss of light energy and high brightness in the white state.
  • the monochromatic display includes displaying red, green, blue and so on.
  • the light-emitting sub-pixels 201 in a pixel 200 include a first sub-pixel, a second sub-pixel, a third sub-pixel and the like with different light-emitting colors.
  • the first sub-electrode corresponding to the first sub-pixel is formed between the second electrode 104.
  • the electric field has the driving voltage difference
  • the incident light L enters the display panel
  • the reflective light conversion part 1061 converts the incident light L into the outgoing light Le.
  • a situation where the pixel 200 realizes displaying green, blue, etc. can also be obtained, and details will not be repeated here.
  • liquid crystal molecules 1011 as positive liquid crystal molecules as an example for illustration.
  • the liquid crystal molecules 1011 deflect in a direction parallel to the electric field, at this time, the liquid crystal molecules 1011 have the ordinary light refractive index no, and since the light adjustment layer 102 has a refractive index nL greater than the ordinary light refraction of the liquid crystal molecules 1011 ratio no (that is, nL>no), when the incident light L enters the light adjustment layer 102 with a higher refractive index from the liquid crystal layer 101 with a lower refractive index, the incident light L passes through the The contact interface 101a enters the inside of the display panel.
  • the light-emitting sub-pixel 201 and the light-absorbing sub-pixel 202 in a pixel 200 work. That is, an electric field is formed between the first sub-electrode corresponding to the light-emitting sub-pixel 201 and the second electrode 104, with the driving voltage difference, the incident light L enters the display panel, and the reflective
  • the light converting unit 1061 converts the incident light L into the outgoing light Le.
  • An electric field is formed between the first sub-electrode corresponding to the light-absorbing sub-pixel 202 and the second electrode 104 , with the driving voltage difference, the light-absorbing portion 1071 absorbs the incident light L.
  • the monochrome display includes red, green, blue and so on.
  • the light-emitting sub-pixels 201 in a pixel 200 include a first sub-pixel, a second sub-pixel, a third sub-pixel and the like with different light-emitting colors.
  • the first sub-electrode corresponding to the first sub-pixel is formed between the second electrode 104.
  • the electric field has the driving voltage difference
  • the incident light L enters the display panel
  • the reflective light conversion part 1061 converts the incident light L into the outgoing light Le.
  • a situation where the pixel 200 realizes displaying green, blue, etc. can also be obtained, and details will not be repeated here.
  • liquid crystal molecules 1011 are positive liquid crystal molecules and negative liquid crystal molecules as an example for illustration.
  • the liquid crystal molecules 1011 When voltages are respectively applied to the first sub-electrode and the second electrode 104, an electric field is formed between the first sub-electrode and the second electrode 104, with the driving voltage difference, the liquid crystal molecules 1011
  • the long axis of is perpendicular to the direction of the electric field, the liquid crystal molecules 1011 have the extraordinary light refractive index ne, and since the refractive index nL of the light adjustment layer 102 is smaller than the extraordinary light of the liquid crystal molecules 1011 Refractive index ne (ie nL ⁇ ne), the incident light L enters the light adjustment layer 102 with a lower refractive index from the liquid crystal layer 101 with a higher refractive index, and the incident angle of the incident light L When ⁇ is greater than the critical angle C2, the incident light L is totally reflected at the contact interface 101a.
  • the liquid crystal molecules 1011 When there is no electric field between the first sub-electrode and the second electrode 104, and there is no driving voltage difference, the liquid crystal molecules 1011 are in the initial state, and the liquid crystal molecules 1011 have the ordinary light refraction rate no, and since the refractive index nL of the light-adjusting layer 102 is greater than the ordinary light refractive index no of the liquid crystal molecules 1011 (ie nL>no), the incident light L comes from the lower refractive index When the liquid crystal layer 101 enters the light adjustment layer 102 with a higher refractive index, the incident light L passes through the contact interface 101 a and enters the display panel.
  • the light-emitting sub-pixel 201 and the light-absorbing sub-pixel 202 in a pixel 200 do not work. That is, there is no electric field between the first sub-electrode corresponding to the light-emitting sub-pixel 201 and the second electrode 104, there is no driving voltage difference, the incident light L enters the display panel, and the reflected The light conversion unit 1061 converts the incident light L into the outgoing light Le. There is no electric field between the first sub-electrode corresponding to the light-absorbing sub-pixel 202 and the second electrode 104 , there is no driving voltage difference, and the light-absorbing portion 1071 absorbs the incident light L.
  • the monochromatic display includes displaying red, green, blue and so on.
  • the light-emitting sub-pixels 201 in a pixel 200 include a first sub-pixel, a second sub-pixel, a third sub-pixel and the like with different light-emitting colors.
  • a pixel 200 realizes a red display effect, and the light emitting color of the first sub-pixel is red as an example, there is no gap between the first sub-electrode corresponding to the first sub-pixel and the second electrode 104.
  • the electric field does not have the driving voltage difference, the incident light L enters the display panel, and the reflective light conversion part 1061 converts the incident light L into the outgoing light Le.
  • An electric field is formed between the first sub-electrode corresponding to the second sub-pixel, the third sub-pixel and the light-absorbing sub-pixel 202 and the second electrode 104, with the driving voltage difference, and the incident The light L is totally reflected at the contact interface 101a.
  • a situation where the pixel 200 realizes displaying green, blue, etc. can also be obtained, and details will not be repeated here.
  • the working states of the light-emitting sub-pixel 201 and the light-absorbing sub-pixel 202 are the same as those of the one pixel 200.
  • the working states of the light-emitting sub-pixel 201 and the light-absorbing sub-pixel 202 are opposite when the white display effect is achieved, and details are not repeated here.
  • Von indicates that a voltage is applied to the first sub-electrode and the second electrode 104, and an electric field is formed between the first sub-electrode and the second electrode 104, There is the driving voltage difference; Voff means that no voltage is applied to the first sub-electrode and the second electrode 104, there is no electric field between the first sub-electrode and the second electrode 104, and there is no driving voltage Difference.
  • the deflection of multiple liquid crystal molecules 1011 can be controlled by the electric field formed between the first sub-electrodes and the second electrodes 104 in one-to-one correspondence, so that the liquid crystal molecules 1011 have different voltages under different voltage conditions.
  • the liquid crystal layer 101 can cooperate with the light adjustment layer 102 to realize the total reflection of the incident light L, or make the incident light L pass through the liquid crystal layer 101 and adjust the light
  • the layer 102 enters into the display panel and is reflected to the display side through the reflective layer, so as to improve the display contrast of the display panel.
  • the negative liquid crystal molecules also include positive liquid crystal molecules and negative liquid crystal molecules.
  • the The working principle of the display panel is similar to the working principle of the display panel when the liquid crystal molecules 1011 adopt positive liquid crystal molecules, and will not be repeated here.
  • FIG. 1A ⁇ FIG. 1E Please continue to refer to FIG. 1A ⁇ FIG. 1E.
  • the output light Le converted by the reflective light conversion part 1061 and the light totally reflected by the incident light L at the contact interface 101 a realize white state adjustment.
  • the display panel shown in FIG. 1C to FIG. 1D the display panel realizes the black state adjustment by the totally reflected light of the incident light L at the contact interface 101a, and the reflected light can be adjusted by the interval
  • the column 105 absorbs, and the effect of the dark state is better; the output light Le converted by the reflective light conversion part 1061 in the light-emitting sub-pixel 201 and the light absorbed by the light-absorbing sub-pixel 202 realize white state adjustment.
  • the display panel further includes unshown parts such as polarizers and touch electrodes.
  • the structural schematic diagram of the display panel when the light adjustment part 1021 is a semi-cylindrical can refer to the structural schematic design of the display panel when the light adjustment part 1021 is a prism in FIG. 1A to FIG. .
  • the present application also provides a display device, including any one of the above display panels.

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Abstract

一种显示面板及显示装置。显示面板包括液晶层（101）、光调整层（102）及反射层。液晶层（101）包括多个液晶分子（1011），光调整层（102）包括多个光调整部（1021），每一光调整部（1021）和对应的液晶分子（1011）具有接触界面（101a），反射层位于液晶层（101）和光调整层（102）的远离显示侧的一侧并对应于多个光调整部（1021），入射光可在接触界面（101a）发生全反射或透过接触界面（101a）。

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，特别涉及一种显示面板及一种显示装置。
 背景技术
利用漫反射原理制成的反射式显示器因不需背光，降低了光源对眼部的伤害。但反射式显示器对环境光的依赖性较强，且显示白态和黑态时的对比度较差，显示质量有待改善。
 技术问题
本申请实施例提供一种显示面板及一种显示装置，可以改善显示面板在依赖外部环境光反射实现显示时，白态和黑态显示对比度差的问题。
 技术解决方案
本申请实施例提供一种显示面板，所述显示面板包括显示侧，所述显示面板包括液晶层、光调整层及反射层。所述液晶层包括多个液晶分子，所述光调整层包括多个光调整部，每一所述光调整部和对应的所述液晶分子具有接触界面，所述反射层位于所述液晶层和所述光调整层的远离所述显示侧的一侧并对应于多个所述光调整部。其中，当所述液晶分子与所述光调整部中靠近所述显示侧的一者的折射率大于所述液晶分子与所述光调整部中远离所述显示侧的一者的折射率时，所述接触界面供入射光于其上发生全反射；当所述液晶分子与所述光调整部中靠近所述显示侧的一者的折射率小于所述液晶分子与所述光调整部中远离所述显示侧的一者的折射率时，所述接触界面供所述入射光透过。
可选地，在本申请的一些实施例中，所述光调整层的折射率介于所述液晶分子的寻常光折射率和非寻常光折射率之间，所述显示面板还包括第一子电极和第二电极，所述第一子电极和第二电极用于加载电压以具有驱动压差，驱使所述液晶分子具有所述寻常光折射率或所述非寻常光折射率。
可选地，在本申请的一些实施例中，所述液晶层位于所述光调整层远离所述显示侧的一侧；或，所述液晶层位于所述光调整层靠近所述显示侧的一侧。
可选地，在本申请的一些实施例中，所述液晶分子为正性液晶分子，在所述第一子电极与所述第二电极之间具有所述驱动压差时，所述液晶分子具有所述寻常光折射率，所述光调整层的所述折射率大于所述寻常光折射率；在所述第一子电极与所述第二电极之间不具有所述驱动压差时，所述液晶分子具有所述非寻常光折射率，所述光调整层的所述折射率小于所述非寻常光折射率。
可选地，在本申请的一些实施例中，所述液晶分子为负性液晶分子，在所述第一子电极与所述第二电极之间不具有所述驱动压差时，所述液晶分子具有所述寻常光折射率，所述光调整层的所述折射率大于所述寻常光折射率；在所述第一子电极与所述第二电极之间具有所述驱动压差时，所述液晶分子具有所述非寻常光折射率，所述光调整层的所述折射率小于所述非寻常光折射率。
可选地，在本申请的一些实施例中，所述光调整部远离所述液晶层的一侧具有与所述接触界面相连的第二面，所述接触界面与所述第二面之间具有第一夹角和第二夹角，所述第一夹角大于所述入射光中的垂直入射光在所述接触界面发生全反射时所对应的入射角，所述第一夹角等于所述第二夹角。
可选地，在本申请的一些实施例中，所述光调整部朝向所述液晶层凸起，所述光调整部为棱柱或半圆柱。
可选地，在本申请的一些实施例中，所述显示面板还包括相对设置的第一基板和第二基板，所述第一基板包括所述反射层，所述液晶层和所述光调整层位于所述第一基板和所述第二基板之间，所述显示面板还包括位于所述第一基板和所述第二基板之间的多个间隔柱，每一所述间隔柱位于对应的两所述光调整部之间，所述间隔柱包括黑色材料。
可选地，在本申请的一些实施例中，所述反射层包括反射式光转换层，所述反射式光转换层包括多个反射式光转换部，多个所述反射式光转换部与多个所述光调整部相对应。
可选地，在本申请的一些实施例中，所述反射层还包括位于所述反射式光转换层之下的反射片。
可选地，在本申请的一些实施例中，所述显示面板还包括靠近所述反射式光转换层的光吸收层，每一所述光吸收层包括多个所述光吸收部，多个所述光吸收部与多个所述光调整部相对应，每一所述光吸收部吸收透过所述接触界面的所述入射光。
可选地，在本申请的一些实施例中，所述显示面板还包括像素定义层，所述像素定义层包括多个凹槽，多个所述光吸收部和多个所述反射式光转换部中的每一个位于对应的所述凹槽内。
可选地，在本申请的一些实施例中，所述像素定义层包括白色光阻材料，每一所述光吸收部均包括黑色光阻材料，每一所述反射式光转换部均包括荧光材料。
可选地，在本申请的一些实施例中，所述光调整层的折射率大于或等于1.6。
相应的，本申请实施例还提供一种显示装置，包括上述的任一种显示面板。
 有益效果
相较于现有技术，本申请的实施例提供一种显示面板及一种显示装置，所述显示面板包括显示侧，所述显示面板包括液晶层、光调整层及反射层。所述液晶层包括多个液晶分子，所述光调整层包括多个光调整部，每一所述光调整部和对应的所述液晶分子具有接触界面，所述反射层位于所述液晶层和所述光调整层的远离所述显示侧的一侧并对应于多个所述光调整部。其中，当所述液晶分子与所述光调整部中靠近所述显示侧的一者的折射率大于所述液晶分子与所述光调整部中远离所述显示侧的一者的折射率时，所述接触界面供入射光于其上发生全反射；当所述液晶分子与所述光调整部中靠近所述显示侧的一者的折射率小于所述液晶分子与所述光调整部中远离所述显示侧的一者的折射率时，所述接触界面供所述入射光透过。通过利用光调整层与液晶层的位置关系及折射率关系，使入射光在接触界面发生全反射或透过接触界面，利用反射层将透过接触界面的入射光反射至显示侧，以改善显示面板在依赖外部环境光反射实现显示时，白态和黑态显示对比度差的问题。
 附图说明
图1A~图1E是本申请的实施例提供的显示面板的结构示意图；
图2是本申请的实施例提供的像素的结构示意图；
图3是本申请的实施例提供的光吸收部及间隔柱吸光时的结构示意图。
 本发明的实施方式
为使本申请的目的、技术方案及效果更加清楚、明确，以下参照附图并举实施例对本申请进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本申请，并不用于限定本申请。
具体地，请参阅图1A~图1E，其为本申请的实施例提供的显示面板的结构示意图。本申请的实施例提供一种显示面板，所述显示面板包括显示侧，所述显示面板包括液晶层101、光调整层102及反射层。所述液晶层101包括多个液晶分子1011；所述光调整层102包括多个光调整部1021，每一所述光调整部1021和对应的所述液晶分子1011具有接触界面101a，所述反射层位于所述液晶层101和所述光调整层102的远离所述显示侧的一侧并对应于多个所述光调整部1021。当所述液晶分子1011与所述光调整部1021中靠近所述显示侧的一者的折射率大于所述液晶分子1011与所述光调整部1021中远离所述显示侧的一者的折射率时，所述接触界面101a供所述入射光L于其上发生全反射；当所述液晶分子1011与所述光调整部1021中靠近所述显示侧的一者的折射率小于所述液晶分子1011与所述光调整部1021中远离所述显示侧的一者的折射率时，所述接触界面101a供所述入射光L透过，进入所述显示面板内部的所述入射光L经所述反射层反射至所述显示侧，以改善显示面板在依赖外部环境光反射实现显示时，白态和黑态显示对比度差的问题。
进一步地，所述光调整层102的折射率nL介于所述液晶分子1011的寻常光折射率no和非寻常光折射率ne之间，以使所述显示面板通过所述液晶层101与所述光调整层102的配合，实现对入射光L的控制，使所述入射光L在所述液晶分子1011与所述光调整部1021的所述接触界面101a处发生全反射，或使所述入射光L透过所述液晶层101与所述光调整层102，提高所述显示面板的显示对比度。
其中，所述寻常光折射率no为所述液晶分子1011沿短轴方向的折射率；所述非寻常光折射率ne为所述液晶分子1011沿长轴方向的折射率；所述显示侧为显示面板用于实现显示的一侧。
可选地，所述液晶分子1011可为正光性液晶分子和负光性液晶分子。进一步地，所述液晶分子1011为正性液晶分子和负性液晶分子，所述入射光L包括环境光。
进一步地，根据所述液晶分子1011材料的不同，所述光调整层102的折射率nL与所述液晶分子1011的所述寻常光折射率no、所述非寻常光折射率ne之间具有不同的对应关系。
具体地，若所述液晶分子1011采用正光性液晶分子，所述液晶分子1011的所述寻常光折射率no小于所述光调整层102的折射率nL，所述光调整层102的折射率nL小于所述液晶分子1011的非寻常光折射率ne；即no<nL<ne。
具体地，若所述液晶分子1011采用负光性液晶分子时，所述液晶分子1011的所述寻常光折射率no大于所述光调整层102的折射率nL，所述光调整层102的折射率nL大于所述液晶分子1011的非寻常光折射率ne；即ne<nL<no。
可选地，所述光调整层102的制备材料包括透明光刻胶，玻璃等。进一步地，所述光调整层102的折射率可大于或等于1.6。
请继续参阅图1A~图1B，所述光调整部1021远离所述液晶层101的一侧具有与所述接触界面101a相连的第二面，所述接触界面101a与所述第二面之间具有第一夹角α和第二夹角β。其中，所述第一夹角α大于所述入射光L中的垂直入射光在所述接触界面101a发生全反射时所对应的入射角θ（即所述第一夹角α大于临界角C，C=arcsin(液晶分子折射率/光调整部折射率)或C=arcsin(光调整部折射率/液晶分子折射率)），所述第一夹角α等于所述第二夹角β，以在所述入射光L为环境光时，实现光线利用的最佳化。
可选地，所述光调整部1021朝向所述液晶层101凸起，所述光调整部1021为棱柱或半圆柱，如图1A~图1E所示。此外，所述接触界面101a还可以为与所述显示面板表面平行的平面。
请继续参阅图1A~图1E，所述显示面板还包括第一电极103和第二电极104，所述第一电极103包括多个第一子电极，所述第一子电极和第二电极104用于加载电压以使所述第一子电极和所述第二电极104之间具有电压差，从而驱使所述液晶分子1011具有所述寻常光折射率no或所述非寻常光折射率ne。
可选地，所述第一电极103和所述第二电极104可以相对设置，如图1A~图1E所示；所述第一电极103和所述第二电极104还可位于同一侧，在此不再进行赘述。所述第一电极103包括像素电极或公共电极中的一者，所述第二电极104包括像素电极或公共电极中的另一者。可选地，所述公共电极可采用面电极或图案化电极的设计，所述像素电极采用图案化电极设计，以使所述显示面板对多个所述液晶分子1011实现分区控制。
请继续参阅图1A~图1E，所述液晶层101位于所述光调整层102远离所述显示侧的一侧；或，所述液晶层101位于所述光调整层102靠近所述显示侧的一侧。
具体地，所述光调整层102靠近所述第一电极103设置，所述液晶层101位于所述第二电极104与所述光调整层102之间，如图1A~图1B和图1E所示。具体地，所述光调整层102靠近所述第二电极104设置，所述液晶层101位于所述第一电极103与所述光调整层102之间，如图1C~图1D所示。
如图2所示，其为本申请的实施例提供的像素的结构示意图，如图3所示，其为本申请的实施例提供的光吸收部及间隔柱吸光时的结构示意图。所述显示面板包括多个像素200。进一步地，每一所述像素200包括多个子像素，所述第一子电极与所述子像素一一对应。可选地，多个所述子像素包括多个发光子像素201和吸光子像素202。其中，所述发光子像素201用于根据所述入射光L发光，所述吸光子像素202用于吸收所述入射光L。
其中，每一所述像素200可通过发出红光、绿光、蓝光的发光子像素配合得到白色显示效果。可选地，一所述像素200中的所述发光子像素201可包括发光颜色为红、绿、蓝的第一子像素、第二子像素及第三子像素。
请继续参阅图1A~图1E及图2~图3，所述显示面板还包括多个间隔柱105，每一所述间隔柱105位于对应的两所述光调整部1021之间，以使每一所述间隔柱105位于相邻两所述子像素之间，所述间隔柱105用于吸收所述入射光L，以避免所述入射光L在入射至所述显示面板内时，在相邻的两所述子像素之间出现入射干扰，防止相邻的两所述子像素出现串色，有利于提高所述显示面板的显示对比度。进一步地，所述间隔柱105包括黑色材料。
所述反射层包括反射式光转换层106，所述反射式光转换层106包括多个反射式光转换部1061，多个所述反射式光转换部1061与多个所述光调整部1021相对应，每一所述反射式光转换部1061将透过所述接触界面101a的所述入射光L转换为出射光Le。进一步地，所述发光子像素201包括所述反射式光转换部1061。可选地，每一所述反射式光转换部1061均包括荧光材料、量子点材料或钙钛矿材料等；所述出射光Le的波长可等于所述入射光L的波长，或所述出射光Le的波长大于或小于所述入射光L的波长。
进一步地，所述显示面板还包括靠近所述反射式光转换层106的光吸收层107，每一所述光吸收层107包括多个所述光吸收部1071，多个所述光吸收部1071与多个所述光调整部1021相对应，每一所述光吸收部1071吸收透过所述接触界面101a的所述入射光L，以改善所述显示面板的显示对比度。进一步地，所述吸光子像素202包括所述光吸收部1071。可选地，每一所述光吸收部1071均包括黑色光阻材料。
可选地，所述反射式光转换部1061的数量大于或等于所述光吸收部1071的数量，以使所述显示面板具有较高的显示对比度。所述反射式光转换部1061与所述光吸收部1071的形状、排列方式等可根据实际需求进行设计，在此不再进行赘述。
请继续参阅图1A~图1E及图2，所述显示面板还包括像素定义层108，所述像素定义层108包括多个凹槽，多个所述光吸收部1071和多个所述反射式光转换部1061中的每一个位于对应的所述凹槽内，以增大对所述入射光L在所述显示面板内的反射，即所述入射光L在所述显示面板内经所述反射式光转换部1061转换得到转换光线Lt，所述转换光线Lt经所述像素定义层108反射成为所述出射光Le。可选地，所述像素定义层108对所述入射光L在所述显示面板内的反射率大于70%。可选地，所述像素定义层108的制备材料包括白色光阻材料。进一步地。所述像素定义层108包括透明光阻材料及二氧化钛。可选地，所述透明光阻材料包括光刻胶。
进一步地，所述反射层还包括反射片109，所述反射片109位于所述反射式光转换层106和所述光吸收层107之下，所述反射片109可增大对进入所述显示面板内的所述入射光L的反射，增大所述出射光Le，有利于增强所述显示面板的显示效果。可选地，所述反射片109的制备材料包括银、铝、金、铜等。
所述显示面板还包括平坦层110、框胶111、第一基板及第二基板112。其中，所述第二基板112与所述第一基板相对设置，所述第一基板包括所述反射层及衬底，所述液晶层101、所述光调整层102及多个间隔柱105位于所述第一基板和所述第二基板112之间，所述衬底位于所述像素定义层108和所述反射片109之间。所述平坦层110位于所述反射式光转换层106、所述光吸收层107及所述像素定义层108上，所述框胶111位于所述液晶层101外侧。
请继续参阅图1A~图1E，以所述液晶分子1011为正光性液晶分子为例进行说明，所述正光性液晶分子包括正性液晶分子和负性液晶分子。在所述液晶分子1011为正光性液晶分子时，所述液晶分子1011的非寻常光折射率ne大于寻常光折射率no，即ne>no，因此，所述光调整层102的折射率nL介于所述液晶分子1011的所述寻常光折射率no与所述非寻常光折射率ne时，可得到所述光调整层102的折射率nL大于所述液晶分子1011的所述寻常光折射率no且小于所述非寻常光折射率ne，即no<n1<ne。
在向所述第一子电极和所述第二电极104分别施加电压时，若所述液晶分子1011为正性液晶分子，则所述液晶分子1011的长轴朝向平行于电场线的方向旋转；若所述液晶分子1011为负性液晶分子，则所述液晶分子1011的长轴朝向垂直于电场线的方向旋转。
下面将结合所述液晶层101与所述光调整层102的位置关系，所述液晶分子1011的制备材料、所述第一子电极和所述第二电极104之间具有电场或不具有电场的状态，以及所述液晶分子1011对应不同情形下（所述液晶层101与所述光调整层102的位置关系、所述第一子电极和所述第二电极104之间具有电场或不具有电场的状态）的折射率，对所述显示面板的工作原理进行说明。
请继续参阅图1A和图1E，以所述液晶分子1011为正光性液晶分子，且为正性液晶分子为例进行说明。
在向所述第一子电极与所述第二电极104分别施加电压时，所述第一子电极与所述第二电极104之间形成电场，具有所述驱动压差，所述液晶分子1011的长轴向平行于所述电场的方向偏转，此时所述液晶分子1011具有所述寻常光折射率no。而由于所述光调整层102的折射率nL大于所述液晶分子1011的所述寻常光折射率no（即nL>no），所述入射光L从具有较高折射率的所述光调整层102进入具有较低折射率的所述液晶层101时，折射光线L1的折射角会大于入射角θ，且随着所述入射角θ的增大，所述折射角会先增大至90°，此时所述入射光L在所述接触界面101a处发生全反射，对应所述折射角为90°时的入射角为临界角C1，其中，C1=arcsin(no/nL)。如在所述液晶分子1011的所述寻常光折射率no=1.6，所述光调整层102的折射率nL=1.8时，所述入射角θ＞62°。
在所述第一电极103与所述第二电极104之间无电场时，不具有所述驱动压差，所述液晶分子1011处于初始状态，此时所述液晶分子1011具有所述非寻常光折射率ne。而由于所述光调整层102的折射率nL小于所述液晶分子1011的所述非寻常光折射率ne（即nL<ne），所述入射光L从具有较低折射率的所述光调整层102进入具有较高折射率的所述液晶层101时，所述入射光L透过所述接触界面101a处，进入所述显示面板内部。
请继续参阅图1A、图1E及图2，在一所述像素200实现白色显示效果时，所述发光子像素201不工作，所述吸光子像素202工作。即对应所述发光子像素201的所述第一子电极与所述第二电极104之间无电场，不具有所述驱动压差，所述入射光L进入所述显示面板内，所述反射式光转换部1061将所述入射光L转换为所述出射光Le。对应所述吸光子像素202的所述第一子电极与所述第二电极104之间形成电场，具有所述驱动压差，所述入射光L在所述接触界面101a处发生全反射。或在一所述像素200实现白色显示效果时，所述发光子像素201与所述吸光子像素202工作，即对应所述发光子像素201的所述第一子电极与所述第二电极104之间形成电场，具有所述驱动压差，对应所述吸光子像素202的所述第一子电极与所述第二电极104之间形成电场，具有所述驱动压差，所述入射光L在所述接触界面101a处发生全反射。
其中，相对于上述的两种实现一所述像素200具有白色显示效果的方式，采用所述发光子像素201与所述吸光子像素202工作的方式，相对于所述发光子像素201不工作，所述吸光子像素202工作的方式，具有光能损失小，白态亮度高的优点。
在一所述像素200实现单色显示效果时，一所述像素200中的部分所述发光子像素201不工作，部分所述发光子像素201及所述吸光子像素202工作。具体地，所述单色显示包括显示红色、绿色、蓝色等。一所述像素200中的所述发光子像素201包括发光颜色不同的第一子像素、第二子像素及第三子像素等。若以一所述像素200实现红色显示效果，所述第一子像素的发光颜色为红色为例，对应所述第一子像素的所述第一子电极与所述第二电极104之间无所述电场，不具有所述驱动压差，所述入射光L进入所述显示面板内，所述反射式光转换部1061将所述入射光L转换为所述出射光Le。对应所述第二子像素、所述第三子像素及所述吸光子像素202的所述第一子电极与所述第二电极104之间形成电场，具有所述驱动压差，所述入射光L在所述接触界面101a处发生全反射。与之相似地，还可以得到一所述像素200实现显示绿色、蓝色等时的情形，在此不再进行赘述。
请继续参阅图1B，以所述液晶分子1011为正光性液晶分子，且为负性液晶分子为例进行说明。
在所述第一子电极与所述第二电极104之间无电场，不具有所述驱动压差时，所述液晶分子1011处于初始状态，此时所述液晶分子1011具有所述寻常光折射率no，而由于所述光调整层102的折射率nL大于所述液晶分子1011的所述寻常光折射率no（即nL>no），所述入射光L从具有较高折射率的所述光调整层102进入具有较低折射率的所述液晶层101，且所述入射光L的入射角θ大于临界角C1时，所述入射光L在所述接触界面101a处发生全反射。
在向所述第一子电极与所述第二电极104分别施加电压时，所述第一子电极与所述第二电极104之间形成电场，具有所述驱动压差，所述液晶分子1011的长轴垂直于所述电场的方向，此时所述液晶分子1011具有所述非寻常光折射率ne，而由于所述光调整层102的折射率nL小于所述液晶分子1011的所述非寻常光折射率ne（即nL<ne），所述入射光L从具有较低折射率的所述光调整层102进入具有较高折射率的所述液晶层101时，所述入射光L透过所述接触界面101a，进入所述显示面板内部。
请继续参阅图1B及图2，在一所述像素200实现白色显示效果时，一所述像素200中的所述发光子像素201工作，所述吸光子像素202不工作。即对应所述发光子像素201的所述第一子电极与所述第二电极104之间形成电场，具有所述驱动压差，所述入射光L进入所述显示面板内，所述反射式光转换部1061将所述入射光L转换为所述出射光Le。对应所述吸光子像素202的所述第一子电极与所述第二电极104之间无电场，不具有所述驱动压差，所述入射光L在所述接触界面101a处发生全反射。
或在一所述像素200实现白色显示效果时，一所述像素200中的所述发光子像素201与所述吸光子像素202不工作。即对应所述发光子像素201的所述第一子电极与所述第二电极104之间无电场，不具有所述驱动压差，对应所述吸光子像素202的所述第一子电极与所述第二电极104之间无电场，不具有所述驱动压差，所述入射光L在所述接触界面101a处发生全反射。
其中，相对于上述的两种实现一所述像素200具有白色显示效果的方式，采用所述发光子像素201与所述吸光子像素202不工作的方式，相对于所述发光子像素201工作，所述吸光子像素202不工作的方式，具有光能损失小，白态亮度高的优点。
在一所述像素200实现单色显示效果时，一所述像素200中的部分所述发光子像素201工作，部分所述发光子像素201及所述吸光子像素202不工作。具体地，所述单色显示包括显示红色、绿色、蓝色等。一所述像素200中的所述发光子像素201包括发光颜色不同的第一子像素、第二子像素及第三子像素等。若以一所述像素200实现红色显示效果，所述第一子像素的发光颜色为红色为例，对应所述第一子像素的所述第一子电极与所述第二电极104之间形成所述电场，具有所述驱动压差，所述入射光L进入所述显示面板内，所述反射式光转换部1061将所述入射光L转换为所述出射光Le。对应所述第二子像素、所述第三子像素及所述吸光子像素202的所述第一子电极与所述第二电极104之间无电场，不具有所述驱动压差，所述入射光L在所述接触界面101a处发生全反射。与之相似地，还可以得到一所述像素200实现显示绿色、蓝色等时的情形，在此不再进行赘述。
请继续参阅图1C，以所述液晶分子1011为正光性液晶分子，且为正性液晶分子为例进行说明。
在所述第一子电极与所述第二电极104之间无电场，不具有所述驱动压差时，所述液晶分子1011处于初始状态，此时所述液晶分子1011具有所述非寻常光折射率ne，而由于所述光调整层102的折射率nL小于所述液晶分子1011的所述非寻常光折射率ne（即nL<ne），所述入射光L从具有较高折射率的所述液晶层101进入具有较低折射率的所述光调整层102，且在所述入射光L的入射角θ大于临界角C2，其中，C2=arcsin(nL/ne)时，所述入射光L在所述接触界面101a处发生全反射。
在向所述第一子电极与所述第二电极104分别施加电压时，所述第一子电极与所述第二电极104之间形成电场，具有所述驱动压差，所述液晶分子1011向平行于所述电场的方向偏转，此时所述液晶分子1011具有所述寻常光折射率no，而由于所述光调整层102的折射率nL大于所述液晶分子1011的所述寻常光折射率no（即nL>no），所述入射光L从具有较低折射率的所述液晶层101进入具有较高折射率的所述光调整层102时，所述入射光L透过所述接触界面101a，进入所述显示面板内部。
请继续参阅图1C及图2，在一所述像素200实现白色显示效果时，一所述像素200中的所述发光子像素201及所述吸光子像素202工作。即对应所述发光子像素201的所述第一子电极与所述第二电极104之间形成电场，具有所述驱动压差，所述入射光L进入所述显示面板内，所述反射式光转换部1061将所述入射光L转换为所述出射光Le。对应所述吸光子像素202的所述第一子电极与所述第二电极104之间形成电场，具有所述驱动压差，所述光吸收部1071吸收所述入射光L。
在一所述像素200实现单色显示效果时，一所述像素200中的部分所述发光子像素201工作，部分所述发光子像素201及所述吸光子像素202不工作。具体地，所述单色显示包括红色、绿色、蓝色等。一所述像素200中的所述发光子像素201包括发光颜色不同的第一子像素、第二子像素及第三子像素等。若以一所述像素200实现红色显示效果，所述第一子像素的发光颜色为红色为例，对应所述第一子像素的所述第一子电极与所述第二电极104之间形成所述电场，具有所述驱动压差，所述入射光L进入所述显示面板内，所述反射式光转换部1061将所述入射光L转换为所述出射光Le。对应所述第二子像素、所述第三子像素及所述吸光子像素202的所述第一子电极与所述第二电极104之间无电场，不具有所述驱动压差，所述入射光L在所述接触界面101a处发生全反射。与之相似地，还可以得到一所述像素200实现显示绿色、蓝色等时的情形，在此不再进行赘述。
请继续参阅图1D，以所述液晶分子1011为正光性液晶分子，且为负性液晶分子为例进行说明。
在向所述第一子电极与所述第二电极104分别施加电压时，所述第一子电极与所述第二电极104之间形成电场，具有所述驱动压差，所述液晶分子1011的长轴垂直于所述电场的方向，所述液晶分子1011具有所述非寻常光折射率ne，而由于所述光调整层102的折射率nL小于所述液晶分子1011的所述非寻常光折射率ne（即nL<ne），所述入射光L从具有较高折射率的所述液晶层101进入具有较低折射率的所述光调整层102，且所述入射光L的入射角θ大于临界角C2时，所述入射光L在所述接触界面101a处发生全反射。
在所述第一子电极与所述第二电极104之间无电场，不具有所述驱动压差时，所述液晶分子1011处于初始状态，此时所述液晶分子1011具有所述寻常光折射率no，而由于所述光调整层102的折射率nL大于所述液晶分子1011的所述寻常光折射率no（即nL>no），所述入射光L从具有较低折射率的所述液晶层101进入具有较高折射率的所述光调整层102时，所述入射光L透过所述接触界面101a，进入所述显示面板内部。
请继续参阅图1D及图2，在一所述像素200实现白色显示效果时，一所述像素200中的所述发光子像素201及所述吸光子像素202不工作。即对应所述发光子像素201的所述第一子电极与所述第二电极104之间无电场，不具有所述驱动压差，所述入射光L进入所述显示面板内，所述反射式光转换部1061将所述入射光L转换为所述出射光Le。对应所述吸光子像素202的所述第一子电极与所述第二电极104之间无电场，不具有所述驱动压差，所述光吸收部1071吸收所述入射光L。
在一所述像素200实现单色显示效果时，一所述像素200中的部分所述发光子像素201不工作，部分所述发光子像素201及所述吸光子像素202工作。具体地，所述单色显示包括显示红色、绿色、蓝色等。一所述像素200中的所述发光子像素201包括发光颜色不同的第一子像素、第二子像素及第三子像素等。若以一所述像素200实现红色显示效果，所述第一子像素的发光颜色为红色为例，对应所述第一子像素的所述第一子电极与所述第二电极104之间无所述电场，不具有所述驱动压差，所述入射光L进入所述显示面板内，所述反射式光转换部1061将所述入射光L转换为所述出射光Le。对应所述第二子像素、所述第三子像素及所述吸光子像素202的所述第一子电极与所述第二电极104之间形成电场，具有所述驱动压差，所述入射光L在所述接触界面101a处发生全反射。与之相似地，还可以得到一所述像素200实现显示绿色、蓝色等时的情形，在此不再进行赘述。
其中，在图1A~图1E所示的显示面板中，一所述像素200实现黑色显示效果时所述发光子像素201、所述吸光子像素202的工作状态与所述一所述像素200实现白色显示效果时所述发光子像素201、所述吸光子像素202的工作状态相反，在此不再进行赘述。
在图1A~图1E所示的显示面板中，Von表示向所述第一子电极与所述第二电极104施加电压，所述第一子电极与所述第二电极104之间形成电场，具有所述驱动压差；Voff表示所述第一子电极与所述第二电极104不施加电压，所述第一子电极与所述第二电极104之间无电场，不具有所述驱动压差。通过一一对应的所述第一子电极与所述第二电极104之间形成的电场可以控制多个所述液晶分子1011的偏转，使所述液晶分子1011在不同的电压条件下具有不同的折射率，从而可以使所述液晶层101与所述光调整层102配合，实现对所述入射光L的全反射，或使所述入射光L透过所述液晶层101与所述光调整层102，进入所述显示面板内部，并经所述反射层反射至显示侧，可以提高所述显示面板的显示对比度。
与之相似地，所述液晶分子1011为负光性液晶分子时，所述负光性液晶分子亦包括正性液晶分子和负性液晶分子，所述液晶分子1011采用负光性液晶分子时所述显示面板的工作原理与所述液晶分子1011采用正光性液晶分子时所述显示面板的工作原理相似，在此不再进行赘述。
请继续参阅图1A~图1E，在图1A~图1B和图1E所示的显示面板中，所述显示面板通过所述吸光子像素202实现黑态调节，通过所述发光子像素201中的所述反射式光转换部1061转换出的所述出射光Le，以及所述入射光L在所述接触界面101a处发生的全反射的光线实现白态调节。在图1C~图1D所示的显示面板中，所述显示面板通过所述入射光L在所述接触界面101a处发生的全反射的光线实现黑态调节，且反射的光线可被所述间隔柱105吸收，暗态效果更佳；通过所述发光子像素201中的所述反射式光转换部1061转换出的所述出射光Le及所述吸光子像素202吸收的光线实现白态调节。
可以理解的，所述显示面板还包括偏光片、触控电极等未示出部分。所述光调整部1021为半圆柱时所述显示面板的结构示意图可参照图1A~图1D中所述光调整部1021为棱柱时的所述显示面板的结构示意图设计，在此不再进行赘述。
本申请还提供一种显示装置，包括上述任一种显示面板。
以上对本申请实施例进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的技术方案及其核心思想；本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例的技术方案的范围。

Claims (20)

  1. 一种显示面板，其中，所述显示面板包括显示侧，所述显示面板包括：
    液晶层，包括多个液晶分子；
    光调整层，包括多个光调整部，每一所述光调整部和对应的所述液晶分子具有接触界面；以及，
    反射层，位于所述液晶层和所述光调整层的远离所述显示侧的一侧并对应于多个所述光调整部；
    其中，当所述液晶分子与所述光调整部中靠近所述显示侧的一者的折射率大于所述液晶分子与所述光调整部中远离所述显示侧的一者的折射率时，所述接触界面供入射光于其上发生全反射；当所述液晶分子与所述光调整部中靠近所述显示侧的一者的折射率小于所述液晶分子与所述光调整部中远离所述显示侧的一者的折射率时，所述接触界面供所述入射光透过。
  2. 根据权利要求1所述的显示面板，其中，所述光调整层的折射率介于所述液晶分子的寻常光折射率和非寻常光折射率之间，所述显示面板还包括第一子电极和第二电极，所述第一子电极和所述第二电极用于加载电压以具有驱动压差，驱使所述液晶分子具有所述寻常光折射率或所述非寻常光折射率。
  3. 根据权利要求2所述的显示面板，其中，所述液晶层位于所述光调整层远离所述显示侧的一侧；或，所述液晶层位于所述光调整层靠近所述显示侧的一侧。
  4. 根据权利要求3所述的显示面板，其中，所述液晶分子为正性液晶分子，在所述第一子电极与所述第二电极之间具有所述驱动压差时，所述液晶分子具有所述寻常光折射率，所述光调整层的所述折射率大于所述寻常光折射率；在所述第一子电极与所述第二电极之间不具有所述驱动压差时，所述液晶分子具有所述非寻常光折射率，所述光调整层的所述折射率小于所述非寻常光折射率。
  5. 根据权利要求3所述的显示面板，其中，所述液晶分子为负性液晶分子，在所述第一子电极与所述第二电极之间不具有所述驱动压差时，所述液晶分子具有所述寻常光折射率，所述光调整层的所述折射率大于所述寻常光折射率；在所述第一子电极与所述第二电极之间具有所述驱动压差时，所述液晶分子具有所述非寻常光折射率，所述光调整层的所述折射率小于所述非寻常光折射率。
  6. 根据权利要求1所述的显示面板，其中，所述光调整部远离所述液晶层的一侧具有与所述接触界面相连的第二面，所述接触界面与所述第二面之间具有第一夹角和第二夹角，所述第一夹角大于所述入射光中的垂直入射光在所述接触界面发生全反射时所对应的入射角，所述第一夹角等于所述第二夹角。
  7. 根据权利要求6所述的显示面板，其中，所述光调整部朝向所述液晶层凸起，所述光调整部为棱柱或半圆柱。
  8. 根据权利要求1所述的显示面板，其中，还包括相对设置的第一基板和第二基板，所述第一基板包括所述反射层，所述液晶层和所述光调整层位于所述第一基板和所述第二基板之间，所述显示面板还包括位于所述第一基板和所述第二基板之间的多个间隔柱，每一所述间隔柱位于对应的两所述光调整部之间，所述间隔柱包括黑色材料。
  9. 根据权利要求1所述的显示面板，其中，所述反射层包括反射式光转换层，所述反射式光转换层包括多个反射式光转换部，多个所述反射式光转换部与多个所述光调整部相对应。
  10. 根据权利要求9所述的显示面板，其中，所述反射层还包括位于所述反射式光转换层之下的反射片。
  11. 根据权利要求9所述的显示面板，其中，还包括靠近所述反射式光转换层的光吸收层，每一所述光吸收层包括多个所述反射式光吸收部，多个所述光吸收部与多个所述光调整部相对应，每一所述光吸收部吸收透过所述接触界面的所述入射光。
  12. 根据权利要求11所述的显示面板，其中，还包括像素定义层，所述像素定义层包括多个凹槽，多个所述光吸收部和多个所述反射式光转换部中的每一个位于对应的所述凹槽内。
  13. 根据权利要求12所述的显示面板，其中，所述像素定义层包括白色光阻材料，每一所述光吸收部均包括黑色光阻材料，每一所述反射式光转换部均包括荧光材料。
  14. 根据权利要求1所述的显示面板，其中，所述光调整层的折射率大于或等于1.6。
  15. 一种显示装置，其中，包括显示面板，所述显示面板包括显示侧，所述显示面板包括：
    液晶层，包括多个液晶分子；
    光调整层，包括多个光调整部，每一所述光调整部和对应的所述液晶分子具有接触界面；以及，
    反射层，位于所述液晶层和所述光调整层的远离所述显示侧的一侧并对应于多个所述光调整部；
    其中，当所述液晶分子与所述光调整部中靠近所述显示侧的一者的折射率大于所述液晶分子与所述光调整部中远离所述显示侧的一者的折射率时，所述接触界面供入射光于其上发生全反射；当所述液晶分子与所述光调整部中靠近所述显示侧的一者的折射率小于所述液晶分子与所述光调整部中远离所述显示侧的一者的折射率时，所述接触界面供所述入射光透过。
  16. 根据权利要求15所述的显示装置，其中，所述光调整层的折射率介于所述液晶分子的寻常光折射率和非寻常光折射率之间，所述显示面板还包括第一子电极和第二电极，所述第一子电极和所述第二电极用于加载电压以具有驱动压差，驱使所述液晶分子具有所述寻常光折射率或所述非寻常光折射率。
  17. 根据权利要求16所述的显示装置，其中，所述液晶层位于所述光调整层远离所述显示侧的一侧；或，所述液晶层位于所述光调整层靠近所述显示侧的一侧。
  18. 根据权利要求15所述的显示装置，其中，所述光调整部朝向所述液晶层凸起，所述光调整部为棱柱或半圆柱。
  19. 根据权利要求15所述的显示装置，其中，所述反射层包括反射式光转换层及位于所述反射式光转换层之下的反射片，所述反射式光转换层包括多个反射式光转换部，多个所述反射式光转换部与多个所述光调整部相对应。
  20. 根据权利要求19所述的显示装置，其中，所述显示面板还包括像素定义层以及靠近所述反射式光转换层的光吸收层；每一所述光吸收层包括多个所述反射式光吸收部，多个所述光吸收部与多个所述光调整部相对应，每一所述光吸收部吸收透过所述接触界面的所述入射光；所述像素定义层包括多个凹槽，多个所述光吸收部和多个所述反射式光转换部中的每一个位于对应的所述凹槽内。
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