CN110133897A - Transparent display - Google Patents
Transparent display Download PDFInfo
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- CN110133897A CN110133897A CN201910409321.XA CN201910409321A CN110133897A CN 110133897 A CN110133897 A CN 110133897A CN 201910409321 A CN201910409321 A CN 201910409321A CN 110133897 A CN110133897 A CN 110133897A
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- transparent
- light
- light modulation
- modulation film
- transparent display
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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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1334—Constructional arrangements; Manufacturing methods based on polymer dispersed liquid crystals, e.g. microencapsulated liquid crystals
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—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
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13476—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which at least one liquid crystal cell or layer assumes a scattering state
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
- Dispersion Chemistry (AREA)
Abstract
The present invention provides a kind of transparent display, including transparent display panel, light modulation film and control unit, and control unit is in first state or the second state for controlling light modulation film；When light modulation film is in first state, the light transmittance of light modulation film is lower than threshold value, stops the light from the object on transparent display panel light direction；When light modulation film is in the second state, the light transmittance of light modulation film is higher than threshold value, through the light from the object on transparent display panel light direction.By adding light modulation film, it is needed according to display to adjust the light transmittance of light modulation film, to reduce influence of the light from the object on transparent display panel light direction to transparent display panel display effect, alleviating existing transparent display screen has that picture display effect is bad.
Description
Technical field
The present invention relates to display field more particularly to a kind of transparent displays.
Background technique
Increasingly developed with display technology, transparence display product is gradually popularized, and transparent display screen can display panel simultaneously
On picture and panel back background picture.However, background frame also can be through transparent aobvious while display panel information
Show that panel shows, to affect the display effect of panel picture.
Therefore, existing transparent display screen has that picture display effect is bad, needs to improve.
Summary of the invention
The present invention provides a kind of transparent display, and it is bad that there are picture display effects to solve existing transparent display screen
Problem.
In order to solve the above problem, technical solution provided by the invention is as follows:
The present invention provides a kind of transparent display, including transparent display panel, light modulation film and control unit, the control
Unit processed is in first state or the second state for controlling the light modulation film；When the light modulation film is in first state, institute
The light transmittance of light modulation film is stated lower than threshold value, stops the light from the object on the transparent display panel light direction；
When the light modulation film is in the second state, the light transmittance of the light modulation film is higher than threshold value, through from away from described transparent aobvious
Show the light of the object on panel light direction.
In transparent display of the invention, the light modulation film is located at the one of the light direction of the transparent display panel
Side.
In transparent display of the invention, the light modulation film is located at away from the transparent display panel light direction
Side.
In transparent display of the invention, the light modulation film include the first transparency electrode being oppositely arranged, second thoroughly
Prescribed electrode and the polymer crystallite between the first transparency electrode and the second transparency electrode.
In transparent display of the invention, the light modulation film further includes transparent substrate, and the transparent substrate includes the
One transparent substrate and the second transparent substrate, the first transparent substrate setting are saturating far from described second in the first transparency electrode
One of the second transparency electrode far from the first transparency electrode is arranged in the side of prescribed electrode, second transparent substrate
Side.
In transparent display of the invention, first transparent substrate is connect with the transparent display panel.
In transparent display of the invention, the transparent display panel is liquid crystal display panel, including is oppositely arranged
Array substrate, color membrane substrates, the liquid crystal being filled between the array substrate and the color membrane substrates, be arranged in the array
Substrate is arranged in the color membrane substrates far from the first polaroid on the color membrane substrates direction far from the array substrate direction
On the second polaroid, backlight module of first polaroid far from the array substrate side be set, is arranged described
Encapsulated layer of second polaroid far from the color membrane substrates side, the light modulation film are arranged in the encapsulated layer and the backlight mould
Between group.
In transparent display of the invention, the light modulation film further includes transparent substrate, and the transparent substrate setting exists
Side of the second transparency electrode far from the first transparency electrode, the first electrode are formed in the transparent display panel
On.
In transparent display of the invention, the transparent display panel is liquid crystal display panel, the transparence display
Device includes the array substrate being oppositely arranged, color membrane substrates and is filled between the array substrate and the color membrane substrates
Liquid crystal, the light modulation film is arranged between the array substrate and the color membrane substrates.
In transparent display of the invention, the transparent display further includes transparent substrate, the transparent substrate
It is arranged between the array substrate and the color membrane substrates, the liquid crystal includes being filled in the transparent substrate and the array
The first liquid crystal between substrate and the second liquid crystal being filled between the transparent substrate and the color membrane substrates, described
Two liquid crystal are polymer crystallite, and the side of the close transparent substrate is provided with first electrode, the coloured silk in the array substrate
Ilm substrate is provided with second electrode close to the side of the transparent substrate, and the transparent substrate is close to the side of the array substrate
It is provided with third electrode, the transparent substrate is provided with the 4th electrode, the light modulation film packet close to the side of the color membrane substrates
Include the second electrode, the 4th electrode and second liquid crystal.
The invention has the benefit that the present invention provides a kind of transparent display, including transparent display panel, light modulation film
And control unit, described control unit are in first state or the second state for controlling the light modulation film；When the light modulation
When film is in first state, the light transmittance of the light modulation film is lower than threshold value, and blocking goes out light from the transparent display panel is deviated from
The light of object on direction；When the light modulation film is in the second state, the light transmittance of the light modulation film is higher than threshold value, penetrates
Light from the object on the transparent display panel light direction.By adding light modulation film, according to display need come
The light transmittance of light modulation film is adjusted, to reduce the light from the object on transparent display panel light direction to transparent aobvious
The influence for showing Display panel effect, alleviating existing transparent display screen has that picture display effect is bad.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of invention
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the first structural schematic diagram of transparent display provided in an embodiment of the present invention；
Fig. 2 is second of structural schematic diagram of transparent display provided in an embodiment of the present invention；
Fig. 3 is light transmission schematic diagram of the light modulation film provided in an embodiment of the present invention in first state；
Fig. 4 is light transmission schematic diagram of the light modulation film provided in an embodiment of the present invention in the second state；
Fig. 5 is the first position view of transparent display panel provided in an embodiment of the present invention and light modulation film；
Fig. 6 is second of position view of transparent display panel provided in an embodiment of the present invention and light modulation film；
Fig. 7 is the third structural schematic diagram of transparent display provided in an embodiment of the present invention；
Fig. 8 is the 4th kind of structural schematic diagram of transparent display provided in an embodiment of the present invention；
Fig. 9 is the 5th kind of structural schematic diagram of transparent display provided in an embodiment of the present invention；
Figure 10 is the 6th kind of structural schematic diagram of transparent display provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with specific embodiments of the present invention, to the technical side in embodiment of the present invention and/or embodiment
Case carries out clear, complete description, it is clear that, embodiment and/or embodiment disclosed below is only the present invention
A part of embodiment and/or embodiment, rather than whole embodiments and/or embodiment.Based on the implementation in the present invention
Scheme and/or embodiment, those of ordinary skill in the art are not making the front lower every other reality obtained of creative work
Scheme and/or embodiment are applied, the scope of the present invention is belonged to.
The direction term that the present invention is previously mentioned, for example, [on], [under], [left side], [right side], [preceding], [rear], [interior], [outer],
[side] etc. is only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than
To limit the present invention.Term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating or implying its phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.
There is a problem of that picture display effect is bad for existing transparent display screen, the present invention provides a kind of transparence display dress
It sets and can solve this problem.
The present invention provides a kind of transparent display, including transparent display panel, light modulation film and control unit, and control is single
Member is in first state or the second state for controlling light modulation film；When light modulation film is in first state, the light transmittance of light modulation film
Lower than threshold value, stop the light from the object on transparent display panel light direction；When light modulation film is in the second state
When, the light transmittance of light modulation film is higher than threshold value, through the light from the object on transparent display panel light direction.
There are many different set-up modes for the relative position of light modulation film and transparent display panel, in Fig. 1, Fig. 2, light modulation film
Be arranged inside transparent display panel, in Fig. 6 into Fig. 9, light modulation film be arranged inside transparent display panel, according to light modulation film with
The difference of position between transparent display panel, transparent display of the invention have a variety of different structures.
In the present invention, transparent display panel is active light emitting display panel, such as transparent OLED display panel is transparent
Micro_LED display panel, transparency LED display panel etc..
As shown in Figure 1, being the first structural schematic diagram of transparent display provided by the invention.Transparent display packet
It includes including transparent display panel 10, light modulation film 20 and control unit (not shown go out), control unit is for controlling light modulation film 20
In first state or the second state；When light modulation film 20 is in first state, the light transmittance of light modulation film 20 is lower than threshold value, stops
Light from the object on 10 light direction of transparent display panel；When light modulation film 20 is in the second state, light modulation film
20 light transmittance is higher than threshold value, through the light from the object on 10 light direction of transparent display panel.
In the present embodiment, light modulation film 20 is arranged outside transparent display panel 10.
Light modulation film 20 includes the first transparency electrode 21 being oppositely arranged, second transparency electrode 22 and is located at first transparent
Polymer crystallite 23 between electrode 21 and second transparency electrode 22.Light modulation film 20 further includes transparent substrate, and transparent substrate includes
First transparent substrate 24 and the second transparent substrate 25, the setting of the first transparent substrate 24 are transparent far from second in first transparency electrode 21
Side of the second transparency electrode 22 far from first transparency electrode 21 is arranged in the side of electrode 22, the second transparent substrate 25.
In the present embodiment, transparent display panel 10 and light modulation film 20 can be split settings, be also possible to be wholely set.
In one embodiment, when transparent display panel 10 and 20 split settings of light modulation film, 10 He of transparent display panel
Light modulation film 20 can take respectively that respectively molding mode is prepared, and then will prepare resulting transparent display panel 10 and adjust
Light film 20 is bonded, and optics of liquids clear binder display panel 10 can be used and the first transparent substrate is bonded；Thoroughly
Bright display panel 10 is taken with light modulation film 20 prepare respectively after the mode that is bonded again, it is relatively independent, it is easier in preparation process,
And facilitate the work such as subsequent maintenance.
In another embodiment, when transparent display panel 10 and light modulation film 20 are wholely set, light modulation film 20 passes through straight
It connects and is directly prepared in transparent display panel 10.It is substrate with transparent display panel 10, in transparent display panel 10
The first transparent substrate 24 is formed, forms first transparency electrode 21 on the first transparent substrate 24；Meanwhile in the second transparent substrate 25
Upper formation second transparency electrode 22；By first transparency electrode 21 and second transparency electrode 22 to box, and in first transparency electrode 21
The injection of polymer crystallite between second transparency electrode 22, and ultraviolet light is radiated to form polymer dispersion microcrystalline coating.It is transparent aobvious
Show panel 10 and 20 integrated setting of light modulation film, transparent display panel 10 and the suitability of light modulation film 20 are more preferable.
In one embodiment, ultraviolet light is radiated with the intensity of 10mW/cm2 to 50mW/cm2.
In embodiment provided by the invention, the first transparent substrate 21 and the second transparent substrate 25 can be transparent glass base
Plate or plastic film etc., such as: ice drops in the cellulose-based resin film of triacetyl cellulose (TAC), diacetyl cellulose (DAC) etc.
Cyclic olefin polymer (COP) film of piece alkene etc., the third of cyclic olefine copolymer (COC), poly- (methyl methacrylate) (PMMA) etc.
Olefin(e) acid resin film, the polyolefin film of polycarbonate (PC), polyethylene (PE), polypropylene (PP) etc., polyvinyl alcohol (PVA), polyethers
Sulfone (PES), polyether-ether-ketone (PEEK), polyetherimide (PEI), polyethylene naphthalate (PEN), poly terephthalic acid second
The polyester film of diol ester (PET) etc., polyimides (PI) film, polysulfones (PSF) film, fluoride resin film etc..First transparent substrate
21 and second transparent substrate 25 can use same material, different materials can also be used.
In embodiment provided by the invention, first transparency electrode 21 and second transparency electrode 22 are transparent conductive film,
Such as: silver oxide (AgO, Ag2O or Ag2O3) film, aluminium oxide (Al2O3) film, tungsten oxide (WO2, WO3 or W2O3) film,
Magnesia (MgO) film, molybdenum oxide (MoO3) film, zinc oxide (ZnO) film, tin oxide (SnO2) film, indium oxide
(In2O3) film, chromium oxide (CrO3 or Cr2O3) film, antimony oxide (Sb2O3 or Sb2O5) film, titanium oxide (TiO2) are thin
Film, nickel oxide (NiO) film, copper oxide (CuO or Cu2O) film, vanadium oxide (V2O3 or V2O5) film, cobalt oxide (CoO) are thin
Film, iron oxide (Fe2O3 or Fe3O4) film, niobium oxide (Nb2O5) film, tin indium oxide (ITO) film, indium gallium (IZO)
Film, zinc oxide (ZAO) film of adulterated al, tin oxide aluminium (TAO) film or antimony tin (ATO) film etc..
As shown in Fig. 2, being second of structural schematic diagram of transparent display provided in an embodiment of the present invention.Transparence display
Device includes including transparent display panel 10, light modulation film 20 and control unit (not shown go out).
In the present embodiment, light modulation film 20 is arranged outside transparent display panel 10.
Light modulation film 20 includes the first transparency electrode 21 being oppositely arranged, second transparency electrode 22 and is located at first transparent
Polymer crystallite 23 between electrode 21 and second transparency electrode 22.Light modulation film 20 further includes transparent substrate 26, transparent substrate 26
Side of the second transparency electrode 22 far from first transparency electrode 21 is set.
In the present embodiment, transparent display panel 10 and light modulation film 20 are integrated setting.By 10 conduct of transparent display panel
The underlay substrate of first transparency electrode 21 directly forms first transparency electrode 21 in transparent display panel 10；Meanwhile transparent
Second transparency electrode 22 is formed on substrate 26；By first transparency electrode 21 and second transparency electrode 22 to box, and it is transparent first
Injection of polymer crystallite between electrode 21 and second transparency electrode 22, and ultraviolet light is radiated to form polymer dispersion microcrystalline coating.
In the present embodiment, using transparent display panel 10 as underlay substrate, reduce the setting of layer of transparent substrate, subtract
The thin thickness of whole clearing display device, meanwhile, first transparency electrode 21 is directly directly prepared in transparent display panel 10,
Simplify production process.
In one embodiment, ultraviolet light is radiated with the intensity of 10mW/cm2 to 50mW/cm2.
In embodiment provided by the invention, transparent substrate 26 can be transparent glass substrate or plastic film etc., such as:
The cellulose-based resin film of triacetyl cellulose (TAC), diacetyl cellulose (DAC) etc., the cyclic olefin polymer of norbornene etc.
(COP) film, the acrylic resin film of cyclic olefine copolymer (COC), poly- (methyl methacrylate) (PMMA) etc., polycarbonate
(PC), the polyolefin film of polyethylene (PE), polypropylene (PP) etc., polyvinyl alcohol (PVA), polyether sulfone (PES), polyether-ether-ketone
(PEEK), polyetherimide (PEI), polyethylene naphthalate (PEN), polyethylene terephthalate (PET) etc.
Polyester film, polyimides (PI) film, polysulfones (PSF) film, fluoride resin film etc..First transparent substrate 21 and the second transparent substrate
25 can use same material, can also use different materials.
In embodiment provided by the invention, first transparency electrode 21 and second transparency electrode 22 are transparent conductive film,
Such as: silver oxide (AgO, Ag2O or Ag2O3) film, aluminium oxide (Al2O3) film, tungsten oxide (WO2, WO3 or W2O3) film,
Magnesia (MgO) film, molybdenum oxide (MoO3) film, zinc oxide (ZnO) film, tin oxide (SnO2) film, indium oxide
(In2O3) film, chromium oxide (CrO3 or Cr2O3) film, antimony oxide (Sb2O3 or Sb2O5) film, titanium oxide (TiO2) are thin
Film, nickel oxide (NiO) film, copper oxide (CuO or Cu2O) film, vanadium oxide (V2O3 or V2O5) film, cobalt oxide (CoO) are thin
Film, iron oxide (Fe2O3 or Fe3O4) film, niobium oxide (Nb2O5) film, tin indium oxide (ITO) film, indium gallium (IZO)
Film, zinc oxide (ZAO) film of adulterated al, tin oxide aluminium (TAO) film or antimony tin (ATO) film etc..
Control unit is in first state or the second state for controlling light modulation film 20；When light modulation film 20 is in first state
When, the light transmittance of light modulation film 20 is lower than threshold value, stops the light from the object on 10 light direction of transparent display panel；
When light modulation film 20 is in the second state, the light transmittance of light modulation film 20 is higher than threshold value, through from away from transparent display panel 10
The light of object on light direction.
In light modulation film 20, it is provided with polymer crystallite 23 between first transparency electrode 21 and second transparency electrode 22, gathers
It closes object crystallite 23 to be mixed to form by liquid crystal and organic polymer, wherein organic polymer polymer is polyacrylate, asphalt mixtures modified by epoxy resin
At least one of rouge, acrylic acid and polyimides.
Polymer crystallite 23 is that small molecule liquid crystal is distributed in polymer, and polymerization reaction, shape occur under certain condition
It is evenly dispersed in macromolecule network at micron-sized liquid crystal droplet, a kind of composite wood with special photoelectric properties of formation
Material, wherein droplet size is generally less than 10 μm.
Polymer crystallite 23 has different states when applying voltage and no applied voltage.
In no applied voltage, the ordinary refraction index of liquid crystal droplet and the refractive index mismatch of polymer, in different droplets
The direction of the director of liquid crystal is random, thus polymer crystallite 23 is showed to light scattering process, is presented milky
Opaque state, ambient cannot penetrate；When applying voltage, liquid crystal director is arranged by electric field action along direction of an electric field,
To which the liquid crystal molecule director in all liquid crystal droplets is consistent, liquid crystal droplet is matched with refractive index polymer at this time, so poly-
It closes object crystallite 23 and shows transparent feature, ambient can penetrate.
In the present embodiment, liquid crystal is negative type liquid crystal, for negative type liquid crystal material is with respect to positivity liquid crystal, in the effect of electric field
Under have different rotary inertias.Negative type liquid crystal molecule compares because thus showing lower inclination angle perpendicular to field distribution
Positivity liquid crystal is played, negative type liquid crystal twist profiles are also more uniform, therefore show higher penetrance, higher than positivity LCD penetration
10%~15%.
Polymer is at least one of polyacrylate, epoxy resin, acrylic acid and polyimides.In the present embodiment
In, polymer is polyimides, and polyimides is because having high-low temperature resistant, high-intensitive and high-modulus, low thermal coefficient of expansion and dielectric
The excellent properties such as constant, excellent insulation performance and radioresistance and be widely used.
As shown in figure 3, being light transmission schematic diagram of the light modulation film provided in an embodiment of the present invention in first state.Transparence display
Device further includes driving circuit 40, and driving circuit 40 is electrically connected first transparency electrode 21 and second transparency electrode 22, for providing
Driving voltage.When control unit (not shown go out) control driving circuit 40 disconnects, light modulation film 20 is in first state.Polymer is micro-
Liquid crystal droplet in crystalline substance 23 mismatches the refractive index of ordinary light with refractive index of the organic polymer to ordinary light, therefore, light
When passing through polymer crystallite 23, due to the scattering process by droplet in layer, inconsistent change occurs for optical path, causes to project
The light of light modulation film 20 is in state at random, i.e. the light transmittance of light modulation film 20 is small, and appearance is translucent milky scattering states.
As shown in figure 4, being light transmission schematic diagram of the light modulation film provided in an embodiment of the present invention in the second state.Transparence display
Device further includes driving circuit 40, and driving circuit 40 is electrically connected first transparency electrode 21 and second transparency electrode 22, for providing
Driving voltage.When control unit (not shown go out) control driving circuit 40 connects, light modulation film 20 is in the second state.At this point,
Electric field is formed in first transparency electrode 21 and the opposite space of second transparency electrode 22, it is micro- due to the driving by external electrical field
Brilliant molecule deflects, and director is arranged along direction of an electric field, so that the index matching one of liquid crystal and organic polymer
It causes.When light is when passing through polymer crystallite 23, the droplet in polymer crystallite 23 is consistent to the refraction action of light, the change of optical path
Change it is consistent, so that the optical path for projecting the light of light modulation film 20 is identical as the injection optical path of light of light modulation film 20, i.e. light modulation film 20
Light transmittance it is big, appearance is transparent state.
In addition, the deflection angle of crystallite molecule is influenced by external electrical field, in certain field regime, electric field strength is got over
By force, the deflection angle of crystallite molecule is bigger, and electric field strength is smaller, and the deflection angle of crystallite molecule is smaller.It is driven by control first
The size of dynamic 50 input voltage of circuit, adjusts the power of electric field between first transparency electrode 21 and second transparency electrode 22, so as to
To adjust the deflection angle of crystallite molecule, and then adjust the light transmittance of light modulation film 20.
In fig. 1 and 2, light modulation film 20 is arranged at the outside of display panel 10, and light modulation film 20 and display panel 10 can
To be wholely set, can also be independently arranged.Now in conjunction with the relative position of transparent display panel 10 and light modulation film 20, the present invention is mentioned
The display device of confession is described in further detail.
In one embodiment, as shown in figure 5, light modulation film 20 is set to the side of 10 light direction of transparent display panel.
When transparent display panel 10 is shown, control unit (not shown go out) the first driving circuit 50 of control is disconnected, light modulation
Film 20 is in first state, and the light transmittance of light modulation film 20 is lower than threshold value, and the distribution at random of polymer crystallite 23 in light modulation film 20 gathers
The director for closing the liquid crystal droplet and organic polymer in object crystallite 23 is inconsistent, causes to be located at 10 backlight side of transparent display panel
Upward object throws incoming light when passing through light modulation film arrival human eye, can not complete imaging by serious scattering.It adjusts
Light film 20 plays the role of stopping the interference of background object light.
Meanwhile light modulation film 20 can throw incoming light to transparent display panel 10 and be scattered to a certain degree, light modulation film
20 block the light interference of object on 10 backlight direction of transparent display panel, while reducing 10 light of transparent display panel
Intensity, synthesis display effect improve the clarity that transparent display panel 10 reaches the picture of human eye to a certain extent.
When transparent display panel 10 is not shown, control unit (not shown go out) control the first driving circuit 50 connection is adjusted
Light film 20 is in the second state, and when applied voltage reaches threshold voltage, the polymer crystallite 23 in light modulation film 20 is powered on outside
Deflection takes place under the action of, the light transmittance of light modulation film 20 is higher than threshold value, when applied voltage reaches certain voltage, adjusts
The deflection of polymer crystallite 23 in light film 20 reaches maximum angle, and the director of crystallite molecule is arranged along direction of an electric field, from
And making liquid crystal consistent with the index matching of organic polymer, the light transmittance of light modulation film 20 reaches maximum.It is transparent aobvious when being located at
Show that the object on 10 backlight direction of panel throws incoming light when passing through light modulation film arrival human eye, in polymer crystallite 23
Droplet is consistent to the refraction action of light, and the variation of optical path is consistent, dims to project the optical path of the light of light modulation film 20 and inject
The optical path of the light of film 20 is identical, i.e., light modulation film 20 plays the role of transparent glass, can be completely through positioned at transparence display
Object on 10 backlight direction of panel throws incoming light.
In one embodiment, as shown in fig. 6, light modulation film 20 is set to one away from 10 light direction of transparent display panel
Side.
When transparent display panel 10 is shown, control unit (not shown go out) the first driving circuit 50 of control is disconnected, light modulation
Film 20 is in first state, and the light transmittance of light modulation film 10 is lower than threshold value, and the distribution at random of polymer crystallite 23 in light modulation film 20 gathers
The director for closing the liquid crystal droplet and organic polymer in object crystallite 23 is inconsistent, causes to be located at 10 backlight side of transparent display panel
Upward object throws incoming light when passing through light modulation film arrival human eye, can not complete imaging by serious scattering.It adjusts
Light film 20 plays the role of stopping the interference of background object light.In this embodiment, since light modulation film can only stop to be located at thoroughly
Object on bright 10 backlight direction of display panel throws incoming light, therefore polymer crystallite 23 can also include dichroism
Dyestuff, the dichroic dye are added by the 0.5wt% to 5wt% of the liquid crystal material.Positioned at transparent display panel 10
Object on backlight direction throws incoming light when passing through polymer crystallite 23, same being scattered by polymer crystallite 23
When, it is further absorbed by dichroic dye, i.e., light modulation film 20 can be according to light by the scattering of polymer crystallite 23 and dichroism dye
Material absorbs the barrier effect to realize light, and the object being located on 10 backlight direction of transparent display panel is avoided to reach human eye, influences
The display effect of transparent display panel 10.
When transparent display panel 10 is not shown, control unit (not shown go out) control the first driving circuit 50 connection is adjusted
Light film 20 is in the second state, and when applied voltage reaches threshold voltage, the polymer crystallite 23 in light modulation film 20 is powered on outside
Deflection takes place under the action of, the light transmittance of light modulation film 10 is higher than threshold value, when applied voltage reaches certain voltage, adjusts
The deflection of polymer crystallite 23 in light film 20 reaches maximum angle, and the director of crystallite molecule is arranged along direction of an electric field, from
And making liquid crystal consistent with the index matching of organic polymer, the light transmittance of light modulation film 20 reaches maximum.It is transparent aobvious when being located at
Show that the object on 10 backlight direction of panel throws incoming light when passing through light modulation film arrival human eye, in polymer crystallite 23
Droplet is consistent to the refraction action of light, and the variation of optical path is consistent, dims to project the optical path of the light of light modulation film 20 and inject
The optical path of the light of film 20 is identical, i.e., light modulation film 20 plays the role of transparent glass, can be completely through positioned at transparence display
Object on 10 backlight direction of panel throws incoming light.
As a result, regardless of the side of 10 light direction of transparent display panel is arranged in light modulation film 20, still it is set to away from saturating
The side of bright 10 light direction of display panel, can under the control of the control unit, between the first state and a second state
Switching, with stop or through the object on the transparent display panel light direction light, to reduce from deviating from
Influence of the light of object on transparent display panel light direction to transparent display panel display effect alleviates existing transparent
Display screen has that picture display effect is bad.
Certainly, light modulation film 20 and the set-up mode of transparent display panel 10 are without being limited thereto, and light modulation film 20 can be set saturating
The inside of bright display panel 10, is specifically described below with reference to Fig. 7 to Figure 10.
As shown in fig. 7, being the third structural schematic diagram of transparent display provided in an embodiment of the present invention.Transparence display
Device includes transparent display panel 10 and light modulation film 20, wherein transparent display panel 10 is liquid crystal display panel.
Transparent display panel 10 includes the array substrate 11 being oppositely arranged, color membrane substrates 12, is filled in array substrate and coloured silk
Array substrate 11 is arranged in far from the first polaroid 14 on 12 direction of color membrane substrates in liquid crystal 13 between ilm substrate, and setting exists
Color membrane substrates 12 are arranged in the first polaroid 14 far from the second polaroid 15 on 11 direction of array substrate far from array substrate 11
Encapsulated layer 17 of second polaroid 15 far from 12 side of color membrane substrates is arranged in the backlight module 16 of side.
Light modulation film 20 includes the first transparency electrode 21 being oppositely arranged, second transparency electrode 22 and is located at first transparent
Polymer crystallite 23 between electrode 21 and second transparency electrode 22.Light modulation film 20 further includes transparent substrate, and transparent substrate includes
First transparent substrate 24 and the second transparent substrate 25, the setting of the first transparent substrate 24 are transparent far from second in first transparency electrode 21
Side of the second transparency electrode 22 far from first transparency electrode 21 is arranged in the side of electrode 22, the second transparent substrate 25.
In the present embodiment, light modulation film 20 is arranged between color membrane substrates 12 and the second polaroid 15, that is, is arranged far from
On the light direction of backlight module 16, effect is equal to light modulation film 20 in Fig. 5 and is set to 10 light direction of transparent display panel
Side, concrete principle is similar to Fig. 5, and details are not described herein.
As shown in figure 8, being the 4th kind of structural schematic diagram of transparent display provided in an embodiment of the present invention.Transparence display
Device includes transparent display panel 10 and light modulation film 20, wherein transparent display panel 10 is liquid crystal display panel.
Transparent display panel 10 includes the array substrate 11 being oppositely arranged, color membrane substrates 12, is filled in array substrate and coloured silk
Array substrate 11 is arranged in far from the first polaroid 14 on 12 direction of color membrane substrates in liquid crystal 13 between ilm substrate, and setting exists
Color membrane substrates 12 are arranged in the first polaroid 14 far from the second polaroid 15 on 11 direction of array substrate far from array substrate 11
Encapsulated layer 17 of second polaroid 15 far from 12 side of color membrane substrates is arranged in the backlight module 16 of side.
Light modulation film 20 includes the first transparency electrode 21 being oppositely arranged, second transparency electrode 22 and is located at first transparent
Polymer crystallite 23 between electrode 21 and second transparency electrode 22.Light modulation film 20 further includes transparent substrate, and transparent substrate includes
First transparent substrate 24 and the second transparent substrate 25, the setting of the first transparent substrate 24 are transparent far from second in first transparency electrode 21
Side of the second transparency electrode 22 far from first transparency electrode 21 is arranged in the side of electrode 22, the second transparent substrate 25.
In the present embodiment, light modulation film 20 is arranged between the second polaroid 15 and encapsulated layer 17, that is, is arranged far from back
On the light direction of optical mode group 16, effect is equal to one that light modulation film 20 in Fig. 5 is set to 10 light direction of transparent display panel
Side, concrete principle is similar to Fig. 5, and details are not described herein.
As shown in figure 9, being the 5th kind of structural schematic diagram of transparent display provided in an embodiment of the present invention.Transparence display
Device includes transparent display panel and light modulation film, wherein transparent display panel is liquid crystal display panel.
Transparent display includes the array substrate 11 being oppositely arranged, color membrane substrates 12 and is filled in array substrate 11
Liquid crystal between color membrane substrates 12, light modulation film are arranged between array substrate 12 and color membrane substrates 13, further include being arranged in battle array
Column substrate 11 is arranged in color membrane substrates 12 far from the first polaroid 14 on 12 direction of color membrane substrates far from 11 direction of array substrate
On the second polaroid 15, backlight module 16 of first polaroid 14 far from 11 side of array substrate be set, is arranged second
Encapsulated layer 17 of the polaroid 15 far from 12 side of color membrane substrates.
In the present embodiment, light modulation film is arranged between array substrate 11 and color membrane substrates 12.
Transparent display further includes transparent substrate 30, the setting of transparent substrate 30 array substrate 11 and color membrane substrates 12 it
Between, liquid crystal includes the first liquid crystal 13 being filled between transparent substrate 30 and array substrate 11 and is filled in transparent substrate 30
The second liquid crystal 23 between color membrane substrates 12, the second liquid crystal 23 are polymer crystallite, close transparent substrate in array substrate 11
30 side is provided with first electrode 101, and color membrane substrates 12 are provided with second electrode 102 close to the side of transparent substrate 30, thoroughly
Bright substrate 30 is provided with third electrode 103 close to the side of array substrate 11, and transparent substrate 30 is close to the side of color membrane substrates 12
It is provided with the 4th electrode 104.
Light modulation film includes second electrode 102, the 4th electrode 104 and the second liquid crystal 23, and second electrode 102 is formed in color film
On substrate 12, the 4th electrode 104 is formed on transparent substrate 30, and the second liquid crystal 23 is polymer crystallite.
Transparent display panel includes that first electrode 102, third electrode 103 and the first liquid crystal 13, first electrode 101 are
The pixel electrode of bright display panel, third electrode 103 are the public electrode of transparent display panel, and first electrode 101 is formed in battle array
On column substrate 11, third electrode 103 is formed on transparent substrate 30, and the first liquid crystal 13 is common liquid crystals.
That is, in the present embodiment, light modulation film is arranged inside transparent display panel, and the 4th electrode 104 of light modulation film with
The third electrode 103 of transparent display panel shares a transparent substrate 30.
In the present embodiment, transparent display further includes the first driving circuit 50 and the second driving circuit 60.
First driving circuit 50 is electrically connected first electrode 102, third electrode 103, for providing driving voltage.Control unit
When the first driving circuit 50 of (not shown go out) control disconnects, transparent display panel is in and does not show state.Control unit is (not shown
Out) when the connection of the first driving circuit 50 of control, transparent display panel is in display state.
Second driving circuit 60 is electrically connected second electrode 102, the 4th electrode 104, for providing driving voltage.Control unit
When the second driving circuit 60 of (not shown go out) control disconnects, light modulation film is in first state.Control unit (not shown go out) control
When second driving circuit 60 connects, light modulation film is in the second state.
First driving circuit 50 and the second driving circuit 60 are the circuit independently driven, are not influenced between each other, therefore can
Be under the control of the control unit used cooperatively, transparent display panel and light modulation film, reach reduction from away from transparence display
Influence of the light of object on panel light direction to transparent display panel display effect is alleviated existing transparent display screen and is existed
The bad effect of picture display effect.
In the present embodiment, light modulation film is also disposed on the light direction far from backlight module 16, and effect is equal in Fig. 5
Light modulation film is set to the side of 10 light direction of transparent display panel, and concrete principle is similar to Fig. 5, and details are not described herein.
It as shown in Figure 10, is the 6th kind of structural schematic diagram of transparent display provided in an embodiment of the present invention.It is transparent aobvious
Showing device includes transparent display panel 10 and light modulation film 20, wherein transparent display panel 10 is OLED display panel.
Transparent display panel 10 includes substrate 100, the pixel electrode 110, light emitting functional layer 120, common electrical being stacked
Pole 130 and encapsulated layer 140, light modulation film 20 are arranged between encapsulated layer 140 and public electrode 130.
In the present embodiment, light modulation film 20 is arranged between encapsulated layer 140 and public electrode 130, that is, is arranged far from hair
On the light direction of light functional layer 120, effect is equal to light modulation film 20 in Fig. 5 and is set to 10 light direction of transparent display panel
Side, concrete principle is similar to Fig. 5, and details are not described herein.
The present invention also provides a kind of terminal, including transparent display, transparent display includes transparent display panel, adjusts
Light film and control unit, control unit are in first state or the second state for controlling light modulation film；When light modulation film is in the
When one state, the light transmittance of light modulation film is lower than threshold value, stops the light from the object on transparent display panel light direction
Line；When light modulation film is in the second state, the light transmittance of light modulation film is higher than threshold value, goes out light away from transparent display panel through coming from
The light of object on direction.
In one embodiment, light modulation film is located at the side of the light direction of transparent display panel.
In one embodiment, light modulation film is located at away from the side of transparent display panel light direction.
In one embodiment, light modulation film includes the first transparency electrode being oppositely arranged, second transparency electrode and is located at
Polymer crystallite between first transparency electrode and second transparency electrode.
In one embodiment, light modulation film further includes transparent substrate, and transparent substrate includes that the first transparent substrate and second are saturating
Side of the first transparency electrode far from second transparency electrode, the setting of the second transparent substrate is arranged in bright substrate, the first transparent substrate
In side of the second transparency electrode far from first transparency electrode.
In one embodiment, the first transparent substrate is connect with transparent display panel.
In one embodiment, transparent display panel is liquid crystal display panel, including be oppositely arranged array substrate, color film
Array substrate is arranged in far from color membrane substrates direction in substrate, the liquid crystal being filled between array substrate and color membrane substrates
One polaroid is arranged in color membrane substrates far from the second polaroid on array substrate direction, is arranged in the first polaroid far from battle array
The backlight module of column substrate side, is arranged in encapsulated layer of second polaroid far from color membrane substrates side, and light modulation film setting is being sealed
It fills between layer and backlight module.
In one embodiment, light modulation film is arranged between color membrane substrates and the second polaroid.
In one embodiment, light modulation film is arranged between the second polaroid and encapsulated layer.
In one embodiment, light modulation film further includes transparent substrate, and transparent substrate setting is in second transparency electrode far from the
The side of one transparent electrode, first electrode are formed in transparent display panel.
In one embodiment, transparent display panel is liquid crystal display panel, and transparent display includes being oppositely arranged
Array substrate, color membrane substrates and the liquid crystal being filled between array substrate and color membrane substrates, light modulation film are arranged in array substrate
Between color membrane substrates.
In one embodiment, transparent display further includes transparent substrate, and transparent substrate setting is in array substrate and coloured silk
Between ilm substrate, liquid crystal includes the first liquid crystal being filled between transparent substrate and array substrate and is filled in transparent substrate
The second liquid crystal between color membrane substrates, the second liquid crystal are polymer crystallite, are set in array substrate close to the side of transparent substrate
It is equipped with first electrode, color membrane substrates are provided with second electrode close to the side of transparent substrate, and transparent substrate is close to array substrate
Side is provided with third electrode, and transparent substrate is provided with the 4th electrode close to the side of color membrane substrates, and light modulation film includes the second electricity
Pole, the 4th electrode and the second liquid crystal.
In one embodiment, transparent display panel is OLED display panel, including substrate, the pixel electricity being stacked
Pole, light emitting functional layer, public electrode and encapsulated layer, light modulation film are arranged between encapsulated layer and public electrode.
In one embodiment, polymer crystallite is the mixed microcrystalline of liquid crystal and organic polymer.
In one embodiment, organic polymer be polyacrylate, epoxy resin, acrylic acid and polyimides in extremely
Few one kind.
According to above-described embodiment:
It includes transparent display panel, light modulation film that the present invention, which provides a kind of transparent display and terminal, transparent display,
And control unit, control unit are in first state or the second state for controlling light modulation film；When light modulation film is in the first shape
When state, the light transmittance of light modulation film is lower than threshold value, stops the light from the object on transparent display panel light direction；When
When light modulation film is in the second state, the light transmittance of light modulation film is higher than threshold value, through from away from transparent display panel light direction
On object light.It by adding light modulation film, is needed according to display to adjust the light transmittance of light modulation film, to reduce from back
Influence of the light to transparent display panel display effect from the object on transparent display panel light direction, alleviates existing
Obvious display screen has that picture display effect is bad.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of transparent display, which is characterized in that including transparent display panel, light modulation film and control unit, the control
Unit processed is in first state or the second state for controlling the light modulation film；When the light modulation film is in first state, institute
The light transmittance of light modulation film is stated lower than threshold value, stops the light from the object on the transparent display panel light direction；
When the light modulation film is in the second state, the light transmittance of the light modulation film is higher than threshold value, through from away from described transparent aobvious
Show the light of the object on panel light direction.
2. transparent display as described in claim 1, which is characterized in that the light modulation film is located at the transparent display panel
Light direction side.
3. transparent display panel as described in claim 1, which is characterized in that the light modulation film, which is located at, deviates from the transparence display
The side of panel light direction.
4. transparent display as described in claim 1, which is characterized in that the light modulation film include be oppositely arranged first thoroughly
Prescribed electrode, second transparency electrode and polymer between the first transparency electrode and the second transparency electrode are micro-
It is brilliant.
5. transparent display as claimed in claim 4, which is characterized in that the light modulation film further includes transparent substrate, described
Transparent substrate includes the first transparent substrate and the second transparent substrate, and first transparent substrate is arranged in the first transparency electrode
Side far from the second transparency electrode, second transparent substrate are arranged in the second transparency electrode far from described first
The side of transparent electrode.
6. transparent display as claimed in claim 5, which is characterized in that first transparent substrate and the transparence display
Panel connection.
7. transparent display as claimed in claim 5, which is characterized in that the transparent display panel is LCD display
Plate, including be oppositely arranged array substrate, color membrane substrates, the liquid being filled between the array substrate and the color membrane substrates
The array substrate is arranged in far from the first polaroid on the color membrane substrates direction in crystalline substance, is arranged remote in the color membrane substrates
From the second polaroid on the array substrate direction, back of first polaroid far from the array substrate side is set
Optical mode group, is arranged in encapsulated layer of second polaroid far from the color membrane substrates side, and the light modulation film is arranged described
Between encapsulated layer and the backlight module.
8. transparent display as claimed in claim 4, which is characterized in that the light modulation film further includes transparent substrate, described
Side of the second transparency electrode far from the first transparency electrode is arranged in transparent substrate, and the first electrode is formed in institute
It states in transparent display panel.
9. transparent display as described in claim 1, which is characterized in that the transparent display panel is LCD display
Plate, the transparent display include the array substrate being oppositely arranged, color membrane substrates and are filled in the array substrate and institute
The liquid crystal between color membrane substrates is stated, the light modulation film is arranged between the array substrate and the color membrane substrates.
10. transparent display as described in claim 1, which is characterized in that the transparent display further includes transparent base
Plate, the transparent substrate are arranged between the array substrate and the color membrane substrates, and the liquid crystal is described including being filled in
It the first liquid crystal between bright substrate and the array substrate and is filled between the transparent substrate and the color membrane substrates
Second liquid crystal, second liquid crystal are polymer crystallite, are provided in the array substrate close to the side of the transparent substrate
First electrode, the color membrane substrates are provided with second electrode close to the side of the transparent substrate, and the transparent substrate is close to institute
The side for stating array substrate is provided with third electrode, and the transparent substrate is provided with the 4th electricity close to the side of the color membrane substrates
Pole, the light modulation film include the second electrode, the 4th electrode and second liquid crystal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409321.XA CN110133897A (en) | 2019-05-17 | 2019-05-17 | Transparent display |
| PCT/CN2019/090540 WO2020232765A1 (en) | 2019-05-17 | 2019-06-10 | Transparent display device and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910409321.XA CN110133897A (en) | 2019-05-17 | 2019-05-17 | Transparent display |
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|---|---|
| CN110133897A true CN110133897A (en) | 2019-08-16 |
Family
ID=67574827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910409321.XA Pending CN110133897A (en) | 2019-05-17 | 2019-05-17 | Transparent display |
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| WO (1) | WO2020232765A1 (en) |
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| WO2020232765A1 (en) | 2020-11-26 |
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Application publication date: 20190816 |