WO2018076669A1 - 显示面板及其驱动和制作方法以及显示装置 - Google Patents

显示面板及其驱动和制作方法以及显示装置 Download PDF

Info

Publication number
WO2018076669A1
WO2018076669A1 PCT/CN2017/084987 CN2017084987W WO2018076669A1 WO 2018076669 A1 WO2018076669 A1 WO 2018076669A1 CN 2017084987 W CN2017084987 W CN 2017084987W WO 2018076669 A1 WO2018076669 A1 WO 2018076669A1
Authority
WO
WIPO (PCT)
Prior art keywords
refractive index
layer
display panel
dielectric layer
electric field
Prior art date
Application number
PCT/CN2017/084987
Other languages
English (en)
French (fr)
Inventor
张笑
梁蓬霞
郭康
谷新
Original Assignee
京东方科技集团股份有限公司
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 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US15/568,167 priority Critical patent/US10509246B2/en
Publication of WO2018076669A1 publication Critical patent/WO2018076669A1/zh

Links

Images

Classifications

    • 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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching
    • G02F1/315—Digital deflection, i.e. optical switching based on the use of controlled internal reflection
    • 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 
    • 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
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal 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
    • G02F1/1335—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
    • G02F1/1343—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
    • G02F1/1335—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
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133514—Colour filters
    • 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 
    • G02F1/19—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 variable-reflection or variable-refraction elements not provided for in groups G02F1/015 - G02F1/169
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/02—Function characteristic reflective
    • G02F2203/023—Function characteristic reflective total internal reflection

Definitions

  • Embodiments of the present invention relate to a display panel, a driving and manufacturing method thereof, and a display device.
  • reflective display devices have been applied in display fields such as e-book readers, billboards, display cases, etc. due to their low power consumption, low cost, and low visual fatigue. Therefore, the development of reflective display devices has also received increasing attention.
  • the total reflection phenomenon means that when light is emitted from the optically dense medium to the light-diffusing medium, the angle of refraction will be greater than the angle of incidence. When the angle of refraction is greater than or equal to 90 degrees, no refracted light will appear in the light-diffusing medium. Also, the corresponding incident angle when the angle of refraction is 90 degrees is defined as the critical angle.
  • At least one embodiment of the present invention provides a display panel, a driving and manufacturing method thereof, and a display device.
  • the display panel includes a base substrate, a dielectric layer disposed on the base substrate, and a refractive index variable layer disposed on a side of the dielectric layer away from the substrate, the refractive index variable layer being disposed in contact with the dielectric layer and having a contact surface
  • the side of the refractive index variable layer away from the substrate substrate is the light incident side, and the refractive index variable layer can change the refractive index so that external light from the light incident side is totally reflected or transmitted at the contact surface.
  • the display panel can provide a novel reflective display panel without setting black particles, thereby avoiding problems such as particle agglomeration.
  • At least one embodiment of the present invention provides a display panel including: a substrate; a dielectric layer disposed on the substrate; and a refractive index variable layer disposed on the dielectric layer away from the substrate a side of the substrate, the refractive index variable layer is disposed in contact with the dielectric layer and has a contact surface, and a side of the refractive index variable layer away from the substrate substrate is a light incident side, and the refractive index can be The variable layer is configured to change the refractive index such that external light from the light incident side is totally reflected or transmitted at the contact surface.
  • a display panel further includes: a color resist layer disposed on a side of the dielectric layer away from the refractive index variable layer, the color resist layer including a black color for display At least one of resistance and color resist.
  • a display panel according to an embodiment of the present invention further includes a reflective layer disposed on a side of the color resist layer away from the dielectric layer.
  • a display panel further includes: an electric field providing layer configured to generate an electric field, the refractive index variable layer configured to change refraction driven by an electric field generated by the electric field providing layer The rate is such that light is totally reflected or transmitted at the contact surface.
  • the dielectric layer has a refractive index smaller than a maximum refractive index of the refractive index variable layer.
  • the electric field providing layer is configured to generate a first electric field and a second electric field, and a refractive index of the refractive index variable layer is configured to be in the first
  • An electric field is driven greater than a refractive index of the dielectric layer and causes total light from the refractive index variable layer to be totally reflected at the contact surface, and the refraction of the dielectric layer is driven by the second electric field
  • the rates are the same or substantially the same and light from the variable refractive index layer is transmitted at the contact surface.
  • the electric field providing layer includes a first electrode and a second electrode, and the first electrode is disposed on the dielectric layer away from the refractive index variable layer On one side, the second electrode is disposed on a side of the variable refractive index layer away from the dielectric layer.
  • the contact surface between the refractive index variable layer and the dielectric layer includes a plurality of concave surfaces arranged in an array, and each of the concave surfaces is concave Far from the direction of the refractive index variable layer.
  • the concave surface includes a hemispherical surface.
  • the material of the refractive index variable layer comprises liquid crystal.
  • At least one embodiment of the present invention provides a display device comprising the display panel of any of the above.
  • At least one embodiment of the present invention provides a driving method of a display panel including a substrate substrate, a dielectric layer disposed on the substrate substrate, and a substrate disposed on the dielectric layer away from the substrate a refractive index variable layer on one side, the refractive index variable layer is disposed in contact with the dielectric layer and has a contact surface, and a side of the refractive index variable layer away from the substrate substrate is a light incident side,
  • the driving method includes: changing a refractive index of the refractive index variable layer such that a refractive index of the refractive index variable layer is greater than a refractive index of the dielectric layer such that external light from the light incident side is in the Fully reflecting the contact surface; and changing a refractive index of the refractive index variable layer such that a refractive index of the refractive index variable layer is the same as or substantially the same as a refractive index of the dielectric layer such that the light entering side The external light is transmitted at the contact surface.
  • the display panel further includes a color resist layer on a side of the dielectric layer away from the refractive index variable layer, a reflective layer disposed on a side of the color resist layer away from the dielectric layer, and an electric field providing layer, wherein the color resist layer includes
  • the driving method includes: the electric field providing layer generates a first electric field such that a refractive index of the refractive index variable layer is greater than a refractive index of the dielectric layer a rate such that light from the light incident side is totally reflected at the contact surface; and the electric field supply layer generates a second electric field such that a refractive index of the refractive index variable layer and a refractive index of the dielectric layer The same or substantially the same is such that light from the light incident side is transmitted through the contact surface.
  • 1 is a schematic structural view of a display panel
  • FIG. 2 is a schematic structural diagram of a display panel according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of another display panel according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of another display panel according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a working principle of a display panel according to an embodiment of the present invention.
  • FIG. 6 is a flowchart of a driving method of a display panel according to an embodiment of the present invention.
  • the reflective display device does not require self-illumination or additionally provides a backlight
  • the reflective display device has a small power consumption and can be used for a long time with respect to a general liquid crystal display device or an electroluminescence display.
  • the reflective display device has the advantages of not damaging the eye, simple structure, and low cost.
  • FIG. 1 is a reflective display panel using total reflection.
  • the display panel includes a lower substrate 7, a lower electrode 6, an electrophoretic medium layer 4, a hemispherical structure layer 2, a spacer column 3, and an upper substrate 1 which are sequentially disposed.
  • the electrophoretic medium layer 4 is provided with a plurality of black charged particles 5, and an electrode layer is provided in the hemispherical structure layer 2.
  • the display panel can utilize the difference in refractive index of the hemispherical structure layer 2 and the electrophoretic medium layer 4 to form total reflection, thereby realizing the display of the bright state, and then utilizing the electrode layer of the black charged particles 5 in the lower electrode 6 and the hemispherical structure layer 2.
  • the generated electric field moves toward the hemispherical structure layer 2 and destroys the total reflection to achieve a black state.
  • Fig. 1 due to the action of an electric field or the action of an external force, it is easy to cause agglomeration of a large number of black charged particles 5, resulting in various defects.
  • Embodiments of the present invention provide a display panel, a driving and manufacturing method thereof, and a display device.
  • the display panel includes a base substrate, a dielectric layer disposed on the base substrate, and a refractive index variable layer disposed on a side of the dielectric layer away from the substrate, the refractive index variable layer being disposed in contact with the dielectric layer and having a contact surface
  • the side of the refractive index variable layer away from the substrate substrate is the light incident side, and the refractive index variable layer can change the refractive index so that external light from the light incident side is totally reflected or transmitted at the contact surface.
  • the display panel can provide a novel reflective display panel without setting black particles, thereby avoiding problems such as particle agglomeration.
  • the display panel can utilize the difference in refractive index between the dielectric layer and the variable refractive index layer to achieve total reflection, thereby displaying a bright state, and destroying the total reflection condition by changing the refractive index of the refractive index variable layer, thereby displaying a dark state.
  • the display panel includes a base substrate 101, a dielectric layer 105, and a refractive index variable layer 106.
  • the dielectric layer 105 is disposed on the base substrate 101, and the refractive index variable layer 106 is disposed on a side of the dielectric layer 105 away from the base substrate 101.
  • the refractive index variable layer 106 is disposed in contact with the dielectric layer 105 and has a contact surface 109.
  • the side of the refractive index variable layer 106 away from the base substrate 101 is a light incident side, and the refractive index variable layer 106 can be changed by changing its refractive index.
  • the external light from the light incident side is totally reflected or transmitted at the contact surface 109.
  • the refractive index of the refractive index variable layer 106 when light is incident from the refractive index variable layer 106, the refractive index of the refractive index variable layer 106 is set to be larger than the refractive index of the dielectric layer 105, at which time the light is at the contact surface 109.
  • Total reflection may occur such that a bright state is displayed on the side of the display panel refractive index variable layer 106; the refractive index of the refractive index variable layer 106 is changed, for example, to be the same as or substantially the same as the refractive index of the dielectric layer 105.
  • the total reflection condition can be destroyed, at which time light can be transmitted at the contact surface 109 so that a dark state can be displayed on the side of the display panel refractive index variable layer 106.
  • the total refractive index of the refractive index variable layer 106 is set to be smaller than the refractive index of the dielectric layer 105, which is not limited herein.
  • the above contact arrangement means that the dielectric layer 105 and the refractive index variable layer 106 are in direct contact with each other without other layer structures therebetween.
  • the external light described above may include ambient light or light generated by other light source devices.
  • the display panel can provide a novel reflective display panel, which can realize total reflection by using a refractive index difference between the dielectric layer and the refractive index variable layer, thereby displaying a bright state and changing The refractive index of the refractive index variable layer destroys the total reflection condition, thereby displaying a dark state.
  • the display panel does not need to provide a light source or illumination to realize display, thereby reducing the power consumption of the display panel and improving the use time of the display panel.
  • the display panel has a small burden on the eyes with respect to a self-illuminating or display panel using a backlight, and is suitable for long-term viewing.
  • the display panel can avoid defects such as black particle agglomeration.
  • the contact surface 109 between the refractive index variable layer 106 and the dielectric layer 105 includes a plurality of concave surfaces 1090 arranged in an array, and each concave surface 1090 is concave. It is away from the direction of the refractive index variable layer 106.
  • the surface of the dielectric layer adjacent to the refractive index variable layer can include a plurality of concave surfaces disposed in an array, each concave surface being concave away from the refractive index variable layer such that the contact surface 109 includes a plurality of concave surfaces 1090.
  • the light when light is incident perpendicularly from the side on which the refractive index variable layer is located, the light has a certain angle of incidence on the contact surface 109, which can be achieved by providing a refractive index difference between the variable refractive index layer and the dielectric layer.
  • the incident angle is greater than or equal to the critical angle to achieve total reflection.
  • the concave surface 1090 may include a hemispherical surface.
  • the hemisphere is a symmetrical pattern when the normally incident light is irradiated to the hemispherical side. Normally incident light can be totally reflected toward the other side of the hemisphere so that it can be returned through the total reflection path.
  • the display panel can improve the front display effect of the display panel.
  • the material of the refractive index variable layer includes a liquid crystal such as a nematic liquid crystal or a cholesteric liquid crystal.
  • a liquid crystal such as a nematic liquid crystal or a cholesteric liquid crystal.
  • the embodiments of the present invention include but are not limited thereto, and the material of the refractive index variable layer may also be other materials with variable refractive index.
  • the display panel further A color resist layer 103 disposed on a side of the dielectric layer 105 away from the refractive index variable layer 106 is included.
  • the color resist layer 103 may include at least one color resist for display.
  • the color resist can absorb part of the incident light to display color, and the unabsorbed light can be reflected by the color resist to be observed by the human eye, for example, the red color resist can absorb blue or green light and reflect red light;
  • the embodiment of the present invention includes but is not limited thereto, and the color resist may also absorb part of the incident light and transmit the unabsorbed light, and display the color through the reflective layer.
  • the color resist may include at least one of a black color resist and a color color resist (for example, a red color resist, a blue color resist, or a green color resist). When the color resist includes only the black color resist, the light is irradiated onto the color resist layer and is completely absorbed to display black.
  • the color resistance includes the color color resistance
  • the light of the color having the color color resistance may be reflected to display the color of the color color resistance, and the light of other colors may be absorbed.
  • the light having the color of the color resist can also be transmitted and the color of the color resist can be realized by providing the reflective layer, which is the embodiment of the present invention. No restrictions. It should be noted that when the color resist layer includes only one color resist, the color resist layer may have an overall structure having the color resist color.
  • the display panel further includes a reflective layer 102 disposed on a side of the color resist layer 103 away from the dielectric layer 105.
  • the reflective layer 102 includes a reflective surface 1020 that is disposed on a side of the reflective layer 102 that is adjacent to the color resist layer 103.
  • the reflecting surface 1020 of the reflective layer 102 can reflect the light transmitted from the color resist layer 103 back, thereby displaying the color of the color resist layer 103 on the side where the refractive index variable layer of the display panel is located.
  • the color resist layer 103 includes a red color resist. When the light is irradiated onto the red color resist, the red light can pass through the red color resist and illuminate the reflective layer 102, and is reflected back to the display panel by the action of the reflective surface 1020. The side on which the variable layer is located.
  • the display panel further includes an electric field providing layer 104 for generating an electric field.
  • the refractive index variable layer 106 can change the refractive index driven by the electric field generated by the electric field providing layer 104 to cause total reflection or transmission of light at the contact surface 109.
  • an electric field can be generated by the electric field supply layer 104 to change the refractive index of the refractive index variable layer 106.
  • the material of the refractive index variable layer may be liquid crystal (nematic liquid crystal or cholesteric liquid crystal).
  • the refractive index of the refractive index variable layer 106 may be changed in other ways than the electric field, which is not limited herein.
  • the refractive index of the refractive index variable layer 106 can be changed by controlling the temperature, the pH, and the like.
  • the electric field providing layer 104 can generate a first electric field and a second electric field, and the refractive index of the refractive index variable layer 106 can be greater than the refractive index of the dielectric layer 105 under the driving of the first electric field, thereby enabling the variable refractive layer from The light of 106 is totally reflected at the contact surface 109, and is driven by the second electric field to be the same or substantially the same as the refractive index of the dielectric layer 105, so that light from the refractive index variable layer 106 can be transmitted through the contact surface.
  • the refractive index variable layer and the dielectric layer 105 having a refractive index substantially the same under the driving of the second electric field may mean that the refractive index variable layer and the dielectric layer have a refractive index difference of less than 0.05.
  • the refractive index of the dielectric layer is smaller than the maximum refractive index of the variable refractive index layer.
  • the liquid crystal layer when the refractive index variable layer is a liquid crystal layer, the liquid crystal layer may have a refractive index ranging from 1.7 to 2.3 under the action of the first electric field and a refractive index ranging from 1.3 to 1.5 under the action of the second electric field.
  • the refractive index of the layer may range from 1.3 to 1.5; when the liquid crystal layer is under the action of the first electric field, the refractive index of the liquid crystal layer is greater than the refractive index of the dielectric layer, and external light from the light incident side may be generated at the contact surface.
  • the refractive index of the liquid crystal layer is the same as or substantially the same as the refractive index of the dielectric layer, and external light from the light incident side can be transmitted at the contact surface.
  • the electric field providing layer 104 may include a first electrode 1041 and a second electrode 1042.
  • An electric field is generated by applying a voltage difference between the first electrode 1041 and the second electrode 1042.
  • the first electrode may be a pixel electrode
  • the second electrode may be a common electrode
  • the first electrode may be a common electrode
  • the second electrode may be a pixel electrode.
  • the electric field providing layer may include a plurality of pixel units
  • the pixel electrode may include a plurality of independent sub-pixel electrodes respectively disposed in the plurality of pixel units, thereby generating different electric fields respectively with the common electrode to be independently driven A refractive index variable layer corresponding to each pixel unit.
  • the first electrode and the second electrode may be transparent electrodes, thereby improving light utilization efficiency of the display panel and increasing brightness of the display panel.
  • the first electrode 1041 is disposed on a side of the dielectric layer 105 away from the refractive index variable layer 106, and the second electrode 1042 is disposed at a variable refractive index.
  • Layer 106 is remote from the side of dielectric layer 105.
  • the electric field supply layer can generate an electric field perpendicular to the substrate by applying a voltage difference between the first electrode and the second electrode.
  • the embodiments of the present invention include but are not limited thereto, and the first electrode and the second electrode may also be insulated from each other in the same layer.
  • the first electrode and the second electrode may be disposed in the same layer on the side of the dielectric layer 105 away from the refractive index variable layer 106 or the side of the refractive index variable layer 106 away from the dielectric layer 105.
  • the electric field supply layer is available at the first electrode and An electric field parallel to the substrate is generated by applying a voltage difference between the two electrodes.
  • the display panel may further include an upper substrate 108 disposed on the second electrode 1042.
  • the upper substrate 108 can serve as a carrier for the second electrode 1042, and can also protect the second electrode 1042.
  • the refractive index of the refractive index variable layer 106 can be changed to be larger than the refractive index of the dielectric layer 105, and the light is incident from the optically dense medium into the light-diffusing medium, and can be totally reflected at the contact surface 109 to display a bright state;
  • the refractive index of the variable layer 106 is the same or substantially the same as the refractive index of the dielectric layer 105, destroying the total reflection condition, and light passes through the contact surface 109 and passes through the dielectric layer 105 and the first electrode 1041, and is irradiated to the color resist layer. 103.
  • the color resist layer 103 includes a color color resist
  • a part of the color light is absorbed by the color color resist, and a part of the light passes through the color color resist and is reflected back through the reflective surface 1020 of the reflective layer 102, thereby being on the display panel.
  • the side on which the refractive index variable layer 106 (upper substrate 108) is located displays color.
  • the embodiment provides a display device including the display panel described in any one of the first embodiments.
  • the display device includes the display panel in the first embodiment, and the display device has the technical effect corresponding to the technical effect of the display panel. For details, refer to the related description in the first embodiment. .
  • the display device can be an e-book reader, a billboard, a display box, or a display meter.
  • the embodiment provides a driving method of a display panel, the display panel includes a substrate substrate, a dielectric layer disposed on the substrate, and a refractive index variable layer disposed on a side of the dielectric layer away from the substrate.
  • the rate variable layer is disposed in contact with the dielectric layer and has a contact surface, and the side of the refractive index variable layer away from the substrate substrate is the light incident side.
  • the driving method includes steps S301-S302.
  • Step S301 changing a refractive index of the refractive index variable layer such that a refractive index of the refractive index variable layer is greater than a refractive index of the dielectric layer to cause total light from the refractive index variable layer to be totally reflected at the contact surface to be at a refractive index One side shows a bright state.
  • Step S302 changing the refractive index of the refractive index variable layer such that the refractive index of the refractive index variable layer is the same as or substantially the same as the refractive index of the dielectric layer, so that light from the refractive index variable layer is transmitted at the contact surface to be refracted.
  • the side on which the rate is displayed shows a dark state.
  • the folding of the refractive index variable layer can be changed
  • the rate of incidence is such that light is totally reflected or transmitted at the contact surface to display a bright or dark state.
  • the display panel further includes a color resist layer disposed on a side of the dielectric layer away from the refractive index variable layer, and a reflective layer disposed on a side of the color resist layer away from the dielectric layer.
  • an electric field providing layer the color resist layer comprising at least one of a black color resist and a color color resist for display, the reflective layer comprising a reflective surface adjacent to one side of the color resist layer
  • the driving method comprising: providing by an electric field The layer generates an electric field to drive the refractive index variable layer to change the refractive index such that the refractive index variable layer has a refractive index greater than a refractive index of the dielectric layer such that light from the refractive index variable layer is totally reflected at the contact surface to be at a refractive index Displaying a bright state on one side; and generating an electric field by the electric field supply layer to drive the refractive index variable layer to change the refractive index such that the refractive index of the refractive index variable layer is the same as or substantially the same as the refractive index of the dielectric layer to enable the variable refractive index layer
  • the light is transmitted at the contact surface to show black or color on the side where the refractive index is located.
  • the refractive index of the refractive index variable layer can be changed by applying an electric field to the electric field supply layer, so that the light is totally reflected or transmitted at the contact surface.
  • the display device can realize display of a color picture or a black and white picture through the color resist layer and the reflective layer.
  • the electric field providing layer includes the first electrode and the second electrode
  • the driving method may include: applying a first voltage difference V1 between the first electrode and the second electrode to generate a first electric field and changing a refractive index of the refractive index variable layer such that a refractive index of the refractive index variable layer is greater than a refractive index of the dielectric layer such that light from the refractive index variable layer is totally reflected at the contact surface to be refracted a side on which the rate is displayed shows a bright state; and a second voltage difference V2 is applied between the first electrode and the second electrode to generate a second electric field and change the refractive index of the refractive index variable layer to make the refractive index variable layer
  • the refractive index is the same as or substantially the same as the refractive index of the dielectric layer such that light from the refractive index variable layer is transmitted at the contact surface to exhibit black or color on the side where the refractive index is located.
  • the refractive index of the variable refractive index layer can be changed by applying a voltage difference between the first electrode and the second electrode, thereby causing total reflection or transmission of light at the contact surface.
  • the voltage difference is relatively easy to implement and control, and the reaction speed is fast, the reaction speed of the display panel can be improved, and the application scenario of the display panel is increased.
  • the embodiment provides a method for fabricating a display panel, comprising: forming a dielectric layer on a substrate; and forming a refractive index variable layer on a side of the dielectric layer away from the substrate.
  • the refractive index variable layer is disposed in contact with the dielectric layer and has a contact surface.
  • the side of the refractive index variable layer away from the substrate substrate is a light incident side, and the refractive index variable layer can change the refractive index to enable external light to enter the light side. Total reflection or transmission occurs at the contact surface.
  • the method further includes: away from the refraction in the dielectric layer A color resist layer is formed on one side of the variable rate layer.
  • the color resist layer may include at least one of at least one of a black color resist and a color color resist for display.
  • the method further includes: forming a reflective layer on a side of the color resist layer away from the dielectric layer.
  • the reflective layer includes a reflective surface disposed on a side of the reflective layer adjacent to the color resist layer.
  • the method further includes: forming an electric field providing layer.
  • the electric field providing layer can generate an electric field
  • the refractive index variable layer can change the refractive index driven by the electric field generated by the electric field providing layer to cause total reflection or transmission of light at the contact surface.
  • the method further includes: forming a reflective layer on the base substrate; forming a color resist layer on the reflective layer; forming a first electrode on the color resist layer; and on the first electrode Forming a dielectric layer to form a first substrate with the base substrate, the reflective layer, the color resist layer, and the first electrode; forming a second electrode on the upper substrate to form the second substrate; pairing the first substrate and the second substrate; A refractive index variable layer is formed between the first substrate and the second substrate. It should be noted that the first electrode and the second electrode constitute the electric field supply layer.
  • liquid crystal is injected between the first substrate and the second substrate to form a refractive index variable layer.

Abstract

一种显示面板及其驱动和制作方法和显示装置。该显示面板包括衬底基板(101)、设置在衬底基板(101)上的介质层(105)以及设置在介质层(105)上远离衬底基板(101)一侧的折射率可变层(106)，折射率可变层(106)与介质层(105)接触设置并具有接触面(109)，折射率可变层(106)可改变折射率以使光在接触面(109)发生全反射或透射。由此，该显示面板可提供一种新型反射型显示面板，不用设置黑色粒子，从而可避免发生粒子团聚等问题。

Description

显示面板及其驱动和制作方法以及显示装置 技术领域
本发明的实施例涉及一种显示面板及其驱动和制作方法以及显示装置。
背景技术
随着显示技术的不断发展，反射型显示装置因其功耗低、成本低、造成视觉疲劳小等优点在电子书阅读器、广告牌、展示箱等显示领域得到应用。因此，反射型显示装置的开发也逐渐受到关注。
全反射现象是指当光由光密介质射向光疏介质时，折射角将大于入射角。当折射角大于等于90度时，在光疏介质中将不出现折射光线。并且，将折射角为90度时对应的入射角定义为临界角。
发明内容
本发明至少一实施例提供一种显示面板及其驱动和制作方法和显示装置。该显示面板包括衬底基板、设置在衬底基板上的介质层以及设置在介质层上远离衬底基板一侧的折射率可变层，折射率可变层与介质层接触设置并具有接触面，折射率可变层远离衬底基板的一侧为入光侧，折射率可变层可改变折射率以使来自入光侧的外界光在接触面发生全反射或透射。由此，该显示面板可提供一种新型反射型显示面板，不用设置黑色粒子，从而可避免发生粒子团聚等问题。
本发明至少一个实施例提供一种显示面板，其包括：衬底基板；介质层，设置在所述衬底基板上；以及折射率可变层，设置在所述介质层上远离所述衬底基板的一侧，所述折射率可变层与所述介质层接触设置并具有接触面，所述折射率可变层远离所述衬底基板的一侧为入光侧，所述折射率可变层被配置为改变折射率以使来自所述入光侧的外界光在接触面发生全反射或透射。
例如，本发明一实施例提供的一种显示面板还包括：色阻层，设置在所述介质层远离所述折射率可变层的一侧，所述色阻层包括用于显示的黑色色阻和彩色色阻中的至少之一。
例如，本发明一实施例提供的一种显示面板还包括：反射层，设置在所述色阻层远离所述介质层的一侧。
例如，本发明一实施例提供的一种显示面板还包括：电场提供层，被配置为产生电场，所述折射率可变层被配置为在所述电场提供层产生的电场的驱动下改变折射率以使光在所述接触面发生全反射或透射。
例如，在本发明一实施例提供的一种显示面板中，所述介质层的折射率小于所述折射率可变层的最大折射率。
例如，在本发明一实施例提供的一种显示面板中，所述电场提供层被配置为产生第一电场和第二电场，所述折射率可变层的折射率被配置为在所述第一电场的驱动下大于所述介质层的折射率并使来自所述折射率可变层的光在所述接触面发生全反射，在所述第二电场的驱动下与所述介质层的折射率相同或基本相同并使来自所述折射率可变层的光在所述接触面发生透射。
例如，在本发明一实施例提供的一种显示面板中，所述电场提供层包括第一电极和第二电极，所述第一电极设置在所述介质层远离所述折射率可变层的一侧，所述第二电极设置在所述折射率可变层远离所述介质层的一侧。
例如，在本发明一实施例提供的一种显示面板中，所述折射率可变层与所述介质层之间的所述接触面包括呈阵列设置的多个凹面，各所述凹面凹向远离所述折射率可变层的方向。
例如，在本发明一实施例提供的一种显示面板中，所述凹面包括半球面。
例如，在本发明一实施例提供的一种显示面板中，所述折射率可变层的材料包括液晶。
本发明至少一个实施例提供一种显示装置，其包括上述任一项所述的显示面板。
本发明至少一个实施例提供一种显示面板的驱动方法，所述显示面板包括衬底基板、设置在所述衬底基板上的介质层以及设置在所述介质层上远离所述衬底基板的一侧的折射率可变层，所述折射率可变层与所述介质层接触设置并具有接触面，所述折射率可变层远离所述衬底基板的一侧为入光侧，所述驱动方法包括：改变所述折射率可变层的折射率以使所述折射率可变层的折射率大于所述介质层的折射率以使来自所述入光侧的外界光在所述接触面发生全反射；以及改变所述折射率可变层的折射率以使所述折射率可变层的折射率与所述介质层的折射率相同或基本相同以使来自所述入光侧的外界光在所述接触面发生透射。
例如，在本发明一实施例提供的驱动方法中，所述显示面板还包括设置在 所述介质层远离所述折射率可变层的一侧的色阻层、设置在所述色阻层远离所述介质层的一侧的反射层以及电场提供层，所述色阻层包括用于显示的黑色色阻和彩色色阻中的至少之一，所述驱动方法包括：所述电场提供层产生第一电场，使所述折射率可变层的折射率大于所述介质层的折射率以使来自所述入光侧的光在所述接触面发生全反射；以及所述电场提供层产生第二电场，使所述折射率可变层的折射率与所述介质层的折射率相同或基本相同以使来自所述入光侧的光在所述接触面发生透射。
附图说明
为了更清楚地说明本公开实施例的技术方案，下面将对实施例的附图作简单地介绍，显而易见地，下面描述中的附图仅仅涉及本公开的一些实施例，而非对本公开的限制。
图1为一种显示面板的结构示意图；
图2为本发明一实施例提供的一种显示面板的结构示意图；
图3为本发明一实施例提供的另一种显示面板的结构示意图；
图4为本发明一实施例提供的另一种显示面板的结构示意图；
图5为本发明一实施例提供的一种显示面板的工作原理图；以及
图6为本发明一实施例提供的一种显示面板的驱动方法的流程图。
具体实施方式
为使本公开实施例的目的、技术方案和优点更加清楚，下面将结合本公开实施例的附图，对本公开实施例的技术方案进行清楚、完整地描述。显然，所描述的实施例是本公开的一部分实施例，而不是全部的实施例。基于所描述的本公开的实施例，本领域普通技术人员在无需创造性劳动的前提下所获得的所有其他实施例，都属于本公开保护的范围。
除非另外定义，本公开使用的技术术语或者科学术语应当为本公开所属领域内具有一般技能的人士所理解的通常意义。本公开中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。“包括”或者“包含”等类似的词语意指出现该词前面的元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同，而不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连 接，而是可以包括电性的连接，不管是直接的还是间接的。
随着显示技术和电子信息的不断发展，显示装置的应用越来越广泛。由于反射型显示装置不需要自发光或者额外设置背光源，相对于通常的液晶显示装置或者电致发光显示器，反射型显示装置的功耗小，可以长时间使用。另外，反射型显示装置还具有不伤眼、结构简单、成本低等优点。
图1为一种利用全反射的反射型显示面板。如图1所示，该显示面板包括依次设置的下基板7、下电极6、电泳介质层4、半球结构层2、隔离柱3以及上基板1。电泳介质层4设置有多个黑色带电粒子5，半球结构层2中设置有电极层。由此，该显示面板可利用半球结构层2和电泳介质层4的折射率差异以形成全反射，从而实现显示亮态，然后利用黑色带电粒子5在下电极6与半球结构层2中的电极层产生的电场作用下向半球结构层2移动并破坏全反射从而实现黑态。然而，如图1所示，由于电场的作用或外力的作用，很容易造成大量黑色带电粒子5的团聚，从而带来各种不良。
本发明实施例提供一种显示面板及其驱动和制作方法和显示装置。该显示面板包括衬底基板、设置在衬底基板上的介质层以及设置在介质层上远离衬底基板一侧的折射率可变层，折射率可变层与介质层接触设置并具有接触面，折射率可变层远离衬底基板的一侧为入光侧，折射率可变层可改变折射率以使来自入光侧的外界光在接触面发生全反射或透射。由此，该显示面板可提供一种新型反射型显示面板，不用设置黑色粒子，从而可避免发生粒子团聚等问题。该显示面板可利用介质层和折射率可变层的折射率差异来实现全反射，从而显示亮态，并通过改变折射率可变层的折射率来破坏全反射条件，从而显示暗态。
下面结合附图对本发明实施例提供的显示面板及其驱动和制作方法和显示装置进行说明。
实施例一
本实施例提供一种显示面板，如图2所示，该显示面板包括衬底基板101、介质层105以及折射率可变层106。介质层105设置在衬底基板101上，折射率可变层106设置在介质层105上远离衬底基板101的一侧。折射率可变层106与介质层105接触设置并具有接触面109，折射率可变层106远离衬底基板101的一侧为入光侧，折射率可变层106可通过改变其折射率来使来自入光侧的外界光在接触面109发生全反射或透射。例如，当光从折射率可变层106射入时，设置折射率可变层106的折射率大于介质层105的折射率，此时光在接触面109 可发生全反射，从而可在该显示面板折射率可变层106所在的一侧显示亮态；将折射率可变层106的折射率改变，例如使其与介质层105的折射率相同或基本相同，可破坏全反射条件，此时光在接触面109可发生透射，从而可在该显示面板折射率可变层106所在的一侧显示暗态。当然，当光从介质层105射入时，可通过设置折射率可变层106的折射率小于介质层105的折射率从而实现全反射，本发明实施例在此不作限制。需要说明的是，上述的接触设置是指介质层105与折射率可变层106相互直接接触，其间不存在其他层结构。另外，上述的外界光可包括环境光或其他光源装置所产生的光。
在本实施例提供显示面板中，该显示面板可提供一种新型的反射型显示面板，可利用介质层和折射率可变层的折射率差异来实现全反射，从而显示亮态，并通过改变折射率可变层的折射率来破坏全反射条件，从而显示暗态。该显示面板不需要额外提供光源或者发光来实现显示，从而可降低该显示面板的功耗，提高该显示面板的使用时间。并且，相对于自发光或者利用背光源的显示面板，该显示面板对眼睛的负担较小，适于长时间观看。另外，由于不需要设置黑色粒子，该显示面板可避免发生黑色粒子团聚等不良。
例如，在本实施例一示例提供的显示面板中，如图2所示，折射率可变层106与介质层105之间的接触面109包括呈阵列设置的多个凹面1090，各凹面1090凹向远离折射率可变层106的方向。例如，介质层靠近折射率可变层的表面可包括呈阵列设置的多个凹面，各凹面凹向远离折射率可变层的方向，从而使接触面109包括多个凹面1090。由此，当光从折射率可变层所在的一侧垂直入射时，光在接触面109上具有一定的入射角，可通过设置折射率可变层和介质层的折射率差异可使上述的入射角大于等于临界角，从而实现全反射。
例如，在本实施例一示例提供的显示面板中，如图2所示，凹面1090可包括半球面。由此，除了半球面的中心，从折射率可变层所在的一侧垂直入射的光均具有一定的入射角，并且半球形为对称图形，当垂直入射的光照射到半球形的一侧时，垂直入射的光可经过全反射射向半球形的另一侧，从而可经过全反射原路返回。由此，该显示面板可提高该显示面板的正面显示效果。
例如，在本实施例一示例提供的显示面板中，折射率可变层的材料包括液晶，例如：向列液晶或胆甾液晶。当然，本发明实施例包括但不限于此，折射率可变层的材料还可为其他折射率可变的材料。
例如，在本实施例一示例提供的显示面板中，如图3所示，该显示面板还 包括设置在介质层105远离折射率可变层106一侧的色阻层103。色阻层103可包括至少一个用于显示的色阻。由此，当光从折射率可变层106射入时，光在接触面发生全反射可显示亮态，光在接触面发生透射可照射到色阻层103上，从而显示色阻层103上色阻的颜色。因此，该显示面板可显示彩色。需要说明的是，色阻可吸收部分入射光以显示彩色，未被吸收的光可被色阻反射以被人眼所观察，例如红色色阻可吸收蓝色或绿色光并反射红色光；当然，本发明实施例包括但不限于此，色阻还可吸收部分入射光并透射未被吸收的光，并通过反射层来显示彩色。例如，色阻可包括黑色色阻和彩色色阻(例如，红色色阻、蓝色色阻或绿色色阻)中的至少之一。当色阻只包括黑色色阻时，光照射到色阻层上会被全部吸收而显示黑色。当色阻包括彩色色阻时，光照射到色阻层上的彩色色阻时，具有该彩色色阻的颜色的光可发生反射从而显示该彩色色阻的颜色，其他颜色的光可被吸收。当然，当光照射到色阻层上的彩色色阻时，具有该彩色色阻的颜色的光也可发生透射并通过设置反射层来实现显示该彩色色阻的颜色，本发明实施例在此不作限制。需要说明的是，当色阻层只包括一个色阻时，该色阻层可为具有该色阻颜色的整体结构。
例如，在本实施例一示例提供的显示面板中，如图4所示，该显示面板还包括设置在色阻层103远离介质层105的一侧的反射层102。例如，反射层102包括反射面1020，反射面1020设置在反射层102靠近色阻层103的一侧。由此，反射层102的反射面1020可将从色阻层103透射过来的光反射回去，从而在该显示面板折射率可变层所在的一侧显示色阻层103的颜色。例如，色阻层103包括红色色阻，当光照射到红色色阻上时，红色光可从红色色阻穿过并照射到反射层102上，经反射面1020的作用反射回显示面板折射率可变层所在的一侧。
例如，在本实施例一示例提供的显示面板中，如图4所示，该显示面板还包括电场提供层104，用于产生电场。折射率可变层106可在电场提供层104产生的电场的驱动下改变折射率以使光在接触面109发生全反射或透射。由此，可通过电场提供层104来产生电场从而改变折射率可变层106的折射率。此时，折射率可变层的材料可采用液晶(向列液晶或胆甾液晶)。当然，还可采用除了电场以外的其他方式来改变折射率可变层106的折射率，本发明实施例在此不作限制。例如，可通过控制温度、pH值等方式来改变折射率可变层106的折射率。
例如，电场提供层104可产生第一电场和第二电场，折射率可变层106的折射率可在第一电场的驱动下大于介质层105的折射率，从而可使来自折射率可变层106的光在接触面109发生全反射，在第二电场的驱动下与介质层105的折射率相同或基本相同，从而可使来自折射率可变层106的光在接触面发生透射。例如，上述的在第二电场的驱动下折射率可变层与介质层105的折射率基本相同可指折射率可变层与介质层的折射率差异在0.05以内。
例如，在本实施例一示例提供的显示面板中，介质层的折射率小于折射率可变层的最大折射率。由此，从折射率可变层所在的一侧入射的光可在接触面上发生全反射。
例如，当折射率可变层为液晶层时，该液晶层在第一电场的作用下的折射率范围可为1.7-2.3，在第二电场的作用下的折射率范围为1.3-1.5，介质层的折射率范围可为1.3-1.5；当该液晶层在第一电场的作用下时，该液晶层的折射率大于介质层的折射率，来自入光侧的外界光可在接触面发生全反射，而当该液晶层在第二电场的作用下时，该液晶层的折射率与介质层的折射率相同或基本相同，来自入光侧的外界光可在接触面发生透射。
例如，在本实施例一示例提供的显示面板中，如图4所示，电场提供层104可包括第一电极1041和第二电极1042。通过向第一电极1041和第二电极1042之间施加电压差来产生电场。需要说明的是，第一电极可为像素电极，第二电极可为公用电极，或者，第一电极可为公共电极，第二电极可为像素电极。另外，电场提供层可包括多个像素单元，像素电极可包括多个独立的子像素电极，多个子像素电极分别设置在多个像素单元中，从而与公用电极分别产生不同的电场，以独立驱动各像素单元对应的折射率可变层。
例如，第一电极和第二电极可为透明电极，从而提高该显示面板的光利用效率，增加该显示面板的亮度。
例如，在本实施例一示例提供的显示面板中，如图4所示，第一电极1041设置在介质层105远离折射率可变层106的一侧，第二电极1042设置在折射率可变层106远离介质层105的一侧。由此，该电场提供层可在第一电极和第二电极之间通过施加电压差来产生垂直于衬底基板的电场。当然，本发明实施例包括但不限于此，第一电极和第二电极也可同层间隔绝缘设置。例如，第一电极和第二电极可同层设置在介质层105远离折射率可变层106的一侧或折射率可变层106远离介质层105的一侧。此时，该电场提供层可在第一电极和第 二电极之间通过施加电压差来产生平行于衬底基板的电场。
例如，如图5所示，该显示面板还可包括设置在第二电极1042上的上基板108。上基板108可作为第二电极1042的载体，也可对第二电极1042进行保护。
在本实施例提供的显示面板中，如图5所示，当光从上基板108入射时，光可穿过上基板108、第二电极1042、折射率可变层106并照射到接触面109；可改变折射率可变层106的折射率大于介质层105的折射率，光从光密介质射入光疏介质，可在接触面109发生全反射，从而显示亮态；可改变折射率可变层106的折射率并与介质层105的折射率相同或基本相同，破坏了全反射条件，光从接触面109穿过并穿过介质层105以及第一电极1041,并照射到色阻层103，当色阻层103包括彩色色阻时，一部分颜色的光被该彩色色阻吸收，一部分光可穿过该彩色色阻并经过反射层102的反射面1020反射回去，从而在该显示面板折射率可变层106(上基板108)所在的一侧显示彩色。
实施例二
本实施例提供一种显示装置，其包括实施例一中任一项所描述的显示面板。由于该显示装置包括实施例一中的显示面板，该显示装置具有与其包括的显示面板的技术效果对应的技术效果，具体可参见实施例一中的相关描述，本发明实施例在此不再赘述。
例如，该显示装置可为电子书阅读器、广告牌、展示箱或显示仪表等。
实施例三
本实施例提供一种显示面板的驱动方法，该显示面板包括衬底基板、设置在衬底基板上的介质层以及设置在介质层上远离衬底基板的一侧的折射率可变层，折射率可变层与介质层接触设置并具有接触面，折射率可变层远离衬底基板的一侧为入光侧，如图6所示，该驱动方法包括步骤S301-S302。
步骤S301：改变折射率可变层的折射率以使折射率可变层的折射率大于介质层的折射率以使来自折射率可变层的光在接触面发生全反射以在折射率所在的一侧显示亮态。
步骤S302：改变折射率可变层的折射率以使折射率可变层的折射率与介质层的折射率相同或基本相同以使来自折射率可变层的光在接触面发生透射以在折射率所在的一侧显示暗态。
在本实施例提供的显示面板的驱动方法中，可通过改变折射率可变层的折 射率来使光在接触面发生全反射或透射，从而可显示亮态或暗态。
例如，在本实施例一示例提供的驱动方法中，显示面板还包括设置在介质层远离折射率可变层的一侧的色阻层、设置在色阻层远离介质层的一侧的反射层以及电场提供层，色阻层包括至少一个用于显示的黑色色阻和彩色色阻中的至少之一，反射层包括靠近色阻层的一侧的反射面，该驱动方法包括：通过电场提供层产生电场驱动折射率可变层改变折射率以使折射率可变层的折射率大于介质层的折射率以使来自折射率可变层的光在接触面发生全反射以在折射率所在的一侧显示亮态；以及通过电场提供层产生电场驱动折射率可变层改变折射率以使折射率可变层的折射率与介质层的折射率相同或基本相同以使来自折射率可变层的光在接触面发生透射以在折射率所在的一侧显示黑色或彩色。由此，可通过电场提供层施加电场的方式来使折射率可变层的折射率改变，从而使光在接触面发生全反射或透射。并且，通过色阻层和反射层，该显示装置可实现显示彩色画面或黑白画面。
例如，在本实施例一示例提供的驱动方法中，电场提供层包括第一电极和第二电极，该驱动方法可包括：在第一电极和第二电极之间施加第一电压差V1以产生第一电场并改变折射率可变层的折射率，以使折射率可变层的折射率大于介质层的折射率，以使来自折射率可变层的光在接触面发生全反射以在折射率所在的一侧显示亮态；以及在第一电极和第二电极之间施加第二电压差V2以产生第二电场并改变折射率可变层的折射率，以使折射率可变层的折射率与介质层的折射率相同或基本相同，以使来自折射率可变层的光在接触面发生透射以在折射率所在的一侧显示黑色或彩色。由此，可通过在第一电极和第二电极之间施加电压差的方式来改变折射率可变层的折射率，从而使光在接触面发生全反射或透射。另外，由于电压差比较容易实现和控制，且反应速度较快，从而可提高该显示面板的反应速度，增加该显示面板的应用场景。
实施例四
本实施例提供一种显示面板的制作方法，其包括：在衬底基板上形成介质层；以及在介质层上远离衬底基板的一侧形成折射率可变层。折射率可变层与介质层接触设置并具有接触面，折射率可变层远离衬底基板的一侧为入光侧，折射率可变层可改变折射率以使来入光侧的外界光在接触面发生全反射或透射。
例如，在本实施例一示例提供的制作方法中，还包括：在介质层远离折射 率可变层的一侧形成色阻层。色阻层可包括至少一个用于显示的黑色色阻和彩色色阻中的至少之一。
例如，在本实施例一示例提供的制作方法中，还包括：在色阻层远离介质层的一侧形成反射层。反射层包括一反射面，设置在反射层靠近色阻层的一侧。
例如，在本实施例一示例提供的制作方法中，还包括：形成电场提供层。电场提供层可产生电场，折射率可变层可在电场提供层产生的电场的驱动下改变折射率以使光在接触面发生全反射或透射。
例如，在本实施例一示例提供的制作方法中，还包括：在衬底基板上形成反射层；在反射层上形成色阻层；在色阻层上形成第一电极；在第一电极上形成介质层以与衬底基板、反射层、色阻层、第一电极构成第一基板；在上基板上形成第二电极以构成第二基板；对盒第一基板和第二基板；以及在所述第一基板和第二基板之间形成折射率可变层。需要说明的是，第一电极和第二电极构成所述电场提供层。
例如，在所述第一基板和第二基板之间注入液晶以形成折射率可变层。
有以下几点需要说明：
(1)本发明实施例附图中，只涉及到与本发明实施例涉及到的结构，其他结构可参考通常设计。
(2)为了清晰起见，在用于描述本发明的实施例的附图中，层或微结构的厚度和尺寸被放大。可以理解，当诸如层、膜、区域或基板之类的元件被称作位于另一元件“上”或“下”时，该元件可以“直接”位于另一元件“上”或“下”，或者可以存在中间元件。
(3)在不冲突的情况下，本发明同一实施例及不同实施例中的特征可以相互组合。
以上所述仅是本发明的示范性实施方式，而非用于限制本发明的保护范围，本发明的保护范围由所附的权利要求确定。
本申请要求于2016年10月31日递交的中国专利申请第201610929102.0号的优先权，在此全文引用上述中国专利申请公开的内容以作为本申请的一部分。

Claims (14)

  1. 一种显示面板，包括：
    衬底基板；
    介质层，设置在所述衬底基板上；以及
    折射率可变层，设置在所述介质层上远离所述衬底基板的一侧，
    其中，所述折射率可变层远离所述衬底基板的一侧为入光侧，所述折射率可变层与所述介质层接触设置并具有接触面，所述折射率可变层被配置为改变折射率以使从所述入光侧入射的外界光在所述接触面发生全反射或透射。
  2. 根据权利要求1所述的显示面板，还包括：
    色阻层，设置在所述介质层远离所述折射率可变层的一侧，
    其中，所述色阻层包括用于显示的黑色色阻和彩色色阻中的至少之一。
  3. 根据权利要求2所述的显示面板，还包括：
    反射层，设置在所述色阻层远离所述介质层的一侧。
  4. 根据权利要求1-3中任一项所述的显示面板，还包括：
    电场提供层，被配置为产生电场，
    其中，所述折射率可变层被配置为在所述电场提供层产生的电场的驱动下改变折射率以使光在所述接触面发生全反射或透射。
  5. 根据权利要求1-3中任一项所述的显示面板，其中，所述介质层的折射率小于所述折射率可变层的最大折射率。6、根据权利要求4所述的显示面板，其中，所述电场提供层被配置为产生第一电场和第二电场，所述折射率可变层的折射率被配置为在所述第一电场的驱动下大于所述介质层的折射率并使从所述入光侧入射的外界光在所述接触面发生全反射，在所述第二电场的驱动下与所述介质层的折射率相同或基本相同并使从所述入光侧入射的外界光在所述接触面发生透射。
  6. 根据权利要求4所述的显示面板，其中，所述电场提供层包括第一电极和第二电极，所述第一电极设置在所述介质层远离所述折射率可变层的一侧，所述第二电极设置在所述折射率可变层远离所述介质层的一侧。
  7. 根据权利要求1-7中任一项所述的显示面板，其中，所述折射率可变层与所述介质层之间的所述接触面包括呈阵列设置的多个凹面，各所述凹面凹 向远离所述折射率可变层的方向。
  8. 根据权利要求8中任一项所述的显示面板，其中，所述凹面包括半球面。
  9. 根据权利要求1-9中任一项所述的显示面板，其中，所述折射率可变层的材料包括液晶。
  10. 一种显示装置，包括根据权利要求1-10中任一项所述的显示面板。
  11. 一种显示面板的驱动方法，其中，所述显示面板包括衬底基板、设置在所述衬底基板上的介质层以及设置在所述介质层上远离所述衬底基板的一侧的折射率可变层，所述折射率可变层与所述介质层接触设置并具有接触面，所述折射率可变层远离所述衬底基板的一侧为入光侧，所述驱动方法包括：
    改变所述折射率可变层的折射率以使所述折射率可变层的折射率大于所述介质层的折射率以使来自所述入光侧的外界光在所述接触面发生全反射；以及
    改变所述折射率可变层的折射率以使所述折射率可变层的折射率与所述介质层的折射率相同或基本相同以使来自所述入光侧的外界光在所述接触面发生透射。
  12. 根据权利要求12所述的驱动方法，其中，所述显示面板还包括设置在所述介质层远离所述折射率可变层的一侧的色阻层、设置在所述色阻层远离所述介质层的一侧的反射层以及电场提供层，所述色阻层包括用于显示的黑色色阻和彩色色阻中的至少之一，所述驱动方法包括：
    所述电场提供层产生第一电场，使所述折射率可变层的折射率大于所述介质层的折射率以使来自所述入光侧的光在所述接触面发生全反射；以及
    所述电场提供层产生第二电场，使所述折射率可变层的折射率与所述介质层的折射率相同或基本相同以使来自所述入光侧的光在所述接触面发生透射。
  13. 一种显示面板的制作方法，包括：
    在衬底基板上形成介质层；
    在所述介质层上远离所述衬底基板的一侧形成折射率可变层，
    其中，所述折射率可变层与所述介质层接触设置并具有接触面，所述折射率可变层远离所述衬底基板的一侧为入光侧，所述折射率可变层可改变折射率以使从所述入光侧入射的外界光在所述接触面发生全反射或透射。
  14. 根据权利要求14所述的显示面板的制作方法，还包括：
    在所述介质层远离所述折射率可变层的一侧形成色阻层。
PCT/CN2017/084987 2016-10-31 2017-05-19 显示面板及其驱动和制作方法以及显示装置 WO2018076669A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/568,167 US10509246B2 (en) 2016-10-31 2017-05-19 Display panel and driving and manufacturing method thereof, and display device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610929102.0 2016-10-31
CN201610929102.0A CN106324868A (zh) 2016-10-31 2016-10-31 显示面板及其驱动方法和显示装置

Publications (1)

Publication Number Publication Date
WO2018076669A1 true WO2018076669A1 (zh) 2018-05-03

Family

ID=57819419

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/084987 WO2018076669A1 (zh) 2016-10-31 2017-05-19 显示面板及其驱动和制作方法以及显示装置

Country Status (3)

Country Link
US (1) US10509246B2 (zh)
CN (1) CN106324868A (zh)
WO (1) WO2018076669A1 (zh)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106324868A (zh) 2016-10-31 2017-01-11 京东方科技集团股份有限公司 显示面板及其驱动方法和显示装置
CN108169893B (zh) * 2018-02-08 2020-07-10 北京京东方专用显示科技有限公司 一种反射型显示装置及显示设备
CN108710210A (zh) * 2018-08-10 2018-10-26 董鸣 一种平视显示器
CN109188822B (zh) * 2018-11-07 2024-04-12 无锡威峰科技股份有限公司 一种封闭式显示电浆模组及其制造方法
CN110797382B (zh) * 2019-11-08 2022-04-29 福州京东方光电科技有限公司 显示面板
CN112882308B (zh) * 2019-11-29 2023-10-03 北京小米移动软件有限公司 面板、显示模组及显示模组的显示视角控制方法
CN112859458A (zh) * 2021-03-01 2021-05-28 武汉华星光电技术有限公司 显示面板及显示装置
CN113253512B (zh) 2021-05-21 2022-08-02 武汉华星光电技术有限公司 显示面板及显示装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000171813A (ja) * 1998-12-03 2000-06-23 Seiko Epson Corp 液晶光スイッチング素子及び液晶光スイッチング素子の製造方法及び画像表示装置
US20070296909A1 (en) * 2006-06-27 2007-12-27 Kabushiki Kaisha Toshiba Display device
CN102645790A (zh) * 2011-02-22 2012-08-22 斯坦雷电气株式会社 液晶光学元件及液晶光学元件的制造方法
CN103018931A (zh) * 2012-12-13 2013-04-03 京东方科技集团股份有限公司 光学装置及显示装置
CN105474085A (zh) * 2013-07-08 2016-04-06 清墨显示股份有限公司 Tir调制宽视角显示器
CN106324868A (zh) * 2016-10-31 2017-01-11 京东方科技集团股份有限公司 显示面板及其驱动方法和显示装置
CN206115085U (zh) * 2016-10-31 2017-04-19 京东方科技集团股份有限公司 显示面板和显示装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5486940A (en) * 1993-06-17 1996-01-23 Optical Shields, Inc. Liquid crystal light polarizer and method
US5973727A (en) 1997-05-13 1999-10-26 New Light Industries, Ltd. Video image viewing device and method
JPH1115000A (ja) * 1997-06-26 1999-01-22 Seiko Epson Corp 液晶表示装置およびその製造方法
JP2002357802A (ja) * 2001-05-31 2002-12-13 Ricoh Co Ltd 光スイッチング素子、空間光変調器及び画像表示装置
US20070252928A1 (en) * 2006-04-28 2007-11-01 Toppan Printing Co., Ltd. Structure, transmission type liquid crystal display, reflection type display and manufacturing method thereof
WO2014160552A1 (en) * 2013-03-26 2014-10-02 Clearink Displays Llc Displaced porous electrode for frustrating tir
CN105911691B (zh) * 2016-06-30 2018-06-29 京东方科技集团股份有限公司 阵列基板、反射式显示装置及阵列基板的制作方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000171813A (ja) * 1998-12-03 2000-06-23 Seiko Epson Corp 液晶光スイッチング素子及び液晶光スイッチング素子の製造方法及び画像表示装置
US20070296909A1 (en) * 2006-06-27 2007-12-27 Kabushiki Kaisha Toshiba Display device
CN102645790A (zh) * 2011-02-22 2012-08-22 斯坦雷电气株式会社 液晶光学元件及液晶光学元件的制造方法
CN103018931A (zh) * 2012-12-13 2013-04-03 京东方科技集团股份有限公司 光学装置及显示装置
CN105474085A (zh) * 2013-07-08 2016-04-06 清墨显示股份有限公司 Tir调制宽视角显示器
CN106324868A (zh) * 2016-10-31 2017-01-11 京东方科技集团股份有限公司 显示面板及其驱动方法和显示装置
CN206115085U (zh) * 2016-10-31 2017-04-19 京东方科技集团股份有限公司 显示面板和显示装置

Also Published As

Publication number Publication date
US20180299715A1 (en) 2018-10-18
US10509246B2 (en) 2019-12-17
CN106324868A (zh) 2017-01-11

Similar Documents

Publication Publication Date Title
WO2018076669A1 (zh) 显示面板及其驱动和制作方法以及显示装置
CN107102460B (zh) 防窥装置、显示器及显示器的驱动方法
US10690983B2 (en) Reflective display and preparation method thereof
CN109946868A (zh) 光线方向控制装置及显示装置
WO2014024766A1 (ja) 表示装置
WO2017148024A1 (zh) 液晶显示器以及电子设备
CN206115085U (zh) 显示面板和显示装置
CN107290892A (zh) 液晶显示装置、电子设备以及各向异性散射部件
WO2017148010A1 (zh) 液晶显示器以及电子设备
TW201307899A (zh) 顯示方法，顯示器裝置，電子系統，及照明單元
JP2016521861A (ja) 改善されたカラーフィルタの飽和のための方法及び装置
JP2008286993A (ja) 表示装置
TWI691768B (zh) 視角控制膜片與採用其之顯示裝置
JP2014119760A (ja) 光学素子及び光学素子を有するディスプレイ装置
CN104965348B (zh) 一种显示面板及电子设备
WO2018129958A1 (zh) 一种显示装置及其控制方法
WO2017118224A1 (zh) 视角定向光源装置及显示装置
CN111886537A (zh) 反射-发射混合显示的方法、系统和装置
JP2013541051A (ja) スメクティック液晶カラーディスプレイ
WO2018076668A1 (zh) 显示面板及其驱动方法和显示装置
KR20110045803A (ko) 액정표시장치
US10591777B2 (en) Display device with polarizer
JP2015096873A (ja) 表示パネルおよび表示装置
TWI704391B (zh) 反射式電子顯示裝置
TWI431569B (zh) 顯示裝置

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 15568167

Country of ref document: US

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17865501

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17865501

Country of ref document: EP

Kind code of ref document: A1

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 29/10/2019)

122 Ep: pct application non-entry in european phase

Ref document number: 17865501

Country of ref document: EP

Kind code of ref document: A1