CN206450937U - A kind of two-sided multi-function device - Google Patents
A kind of two-sided multi-function device Download PDFInfo
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- CN206450937U CN206450937U CN201720099931.0U CN201720099931U CN206450937U CN 206450937 U CN206450937 U CN 206450937U CN 201720099931 U CN201720099931 U CN 201720099931U CN 206450937 U CN206450937 U CN 206450937U
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Abstract
This disclosure relates to a kind of two-sided multi-function device, the two-sided multi-function device includes the dichroic dye composite bed stacked gradually, first liquid crystal display (LCD) composite bed, wide wave reflection composite bed and Organic Light Emitting Diode (OLED) composite bed, wherein, the dichroic dye composite bed can switch between black state and transparent state, liquid crystal display (LCD) composite bed can be in display state, switch between transparent state and dark-state, the wide wave reflection composite bed can switch between transparent state and mirror state, Organic Light Emitting Diode (OLED) composite bed can switch between light emitting state and transparent state.Different functions, such as display function, mirror face function, illumination functions, transparent functional can be independently used as on its two sides according to the multi-function device of the disclosure, to adapt to a variety of needs.
Description
Technical field
This disclosure relates to a kind of multifunctional display apparatus, specifically, this disclosure relates to it is a kind of it is two-sided have it is independent
The device of display/illumination/transparent functional.
Background technology
OLED is a kind of thin-film led, and its emission layer is a kind of organic matter.The processing of OLED is compared to biography
The LED costs of system are low, are displayed for screen, illuminating lamp.OLED illumination be that can prepare the light source of plane, it have power dissipation ratio,
Ultra-thin, flexible the advantages of.
Cholesteric liquid crystal is the same with other the material of liquid crystalline state, mobility, deformation behavior, the viscosity of existing liquid, has crystalline substance again
The photoanisotropy of body, is a kind of excellent nonlinear optical material.Due to cholesteric liquid crystal special molecular structure and light
Anisotropy, determines that it has the optical activity of crystal, polarization photodichroism and the distinctive selective scattering of itself
Etc. property.
Display device of the prior art typically only has one side list function, in heavy construction exterior wall advertising page, high-rise daylighting
Two-sided multi-functional display demand is there is in the special industries such as lighting display device, is such as externally used as display, is internally used as
Illumination/display, automobile industry, which is used, switches transparent, display, the device of minute surface state etc..
Utility model content
For the above-mentioned problems in the prior art, the disclosure is illuminated by using OLED, LCD, dichroic dye
Composite bed and reflection composite bed given stack structure and control method, and realize independently switch on the two sides of device illuminate state,
Show state, mirror state.
One purpose of the disclosure is to provide a kind of two-sided multi-function device, and the device can independently switch photograph on its two sides
Bright state, display state, mirror state.
According to the one side of the disclosure there is provided a kind of two-sided multi-function device, it include stacking gradually two to
Color dyestuff composite bed, the first liquid crystal display (LCD) composite bed, wide wave reflection composite bed and Organic Light Emitting Diode (OLED) are multiple
Layer is closed, wherein, the dichroic dye composite bed can switch between black state and transparent state, first liquid crystal display
(LCD) composite bed can in display state, switch between transparent state and dark-state, the wide wave reflection composite bed can in transparent state and
Switch between mirror state, Organic Light Emitting Diode (OLED) composite bed can switch between light emitting state and transparent state,
Wherein, the dichroic dye composite bed includes dichroic dye layer and the dichroic dye layer of its both sides
Transparency electrode.
Wherein, the wide wave reflection composite bed includes wide wave reflection layer and the wide wave reflection layer transparency electrode of its both sides.
Preferably, the device further comprises the second liquid crystal display for continuing to stack on Organic Light Emitting Diode composite bed
(LCD) composite bed, wherein, the dichroic dye composite bed can switch between black state and transparent state, first He
Second liquid crystal display (LCD) composite bed can switch between display state, transparent state and dark-state independently of one another, and the wide ripple is anti-
Penetrating composite bed can switch between transparent state and mirror state, and Organic Light Emitting Diode (OLED) composite bed can be luminous
Switch between state and transparent state.
The dichroic dye composite bed that the utility model is used is by nematic liquid crystal, polymerisable monomer, dichroism
In double-layer filmses, (there are conductive layer, conductive layer in close material side of two films to the material clip of dyestuff and light trigger composition
It is ITO) between, then carry out ultraviolet light polymerization and form dichroic dye composite bed.Utilize liquid crystal and dichroism
Dyestuff and high molecular refractive index difference, and realize that it is transparent to apply under voltage, do not apply under voltage be black polarization state light
Learn layer.When applying voltage, liquid crystal is that, as direction of an electric field is arranged, dichroic dye is arranged also with Liquid Crystal Molecules Alignment direction
Row, therefore refractive index difference is not present between liquid crystal molecule and dichroic dye and macromolecule, transparent state is presented.Do not applying
During voltage, liquid crystal molecule is random arrangement, dichroic dye similarly, therefore macromolecule and liquid crystal molecule and dichroism
There is refractive index difference in dyestuff, therefore light after dichroic dye layer by becoming the polarised light with a direction
Line.
Preferably, the dichroic dye layer is by including nematic liquid crystal 40-80wt%, polymerisable monomer 19.5-
59.5wt%, dichroic dye 0.5-10wt% composition, and the extra 0.5-3wt% for polymerisable monomer light
Initiator is aggregated and is formed.
Wherein, the polymerization of dichroic dye layer is to form polymer network.Liquid crystal and dichroic dye
In the mesh of its network.On voltage is applied, liquid crystal molecule is arranged along direction of an electric field, dichroic dye molecule also edge
The index matching between Liquid Crystal Molecules Alignment, therefore liquid crystal and macromolecule and be presented transparent.When not applying voltage, high score
Son and liquid crystal, the refractive index of dichroic dye are mismatched, and cause the state that the color of dichroic dye is presented, usually black
Color (but can pass through polarised light).The polymerisable monomer can be, for example, acrylic ester monomer.Polymerisation can be used
Photopolymerization, illumination condition such as 5J/cm2。
Wherein, the wide wave reflection layer is to realize its optical property using the pitch of cholesteric liquid crystal.Cholesteric liquid crystal
Light transmission and the characteristic of selective scattering are mainly determined by its pitch, for the pitch dextrorotation cholesteric close with lambda1-wavelength
Phase liquid crystal, if left-handed rotation is incident, produces light transmission；If right-handed rotation is incident, produces and dissipated with Bragg reflection identical light
Penetrate.The wide wave reflection layer that the utility model is used is that (nematic one kind adds chiralityization in nematic liquid crystal by cholesteric phase
Compound can obtain the cholesteric liquid crystal of helical arrangement) liquid crystal, polymerisable monomer, right-handed chirality compound and light trigger composition
What composition was polymerized to form.By the composition more than the cholesteric phase higher than liquid crystal and smectic C transition temperature 10 degree with
Interior carry out ultraviolet light, so as to obtain the right-hand pitch structure cholesteric crystal layer of wide wave reflection.Do not apply and reflected under voltage
The light of dextrorotation and realize mirror effect, apply voltage under be transparent optical layer.
Preferably, the wide wave reflection layer is by the cholesteric liquid crystal comprising 70-98wt%, 2-30wt% polymerisable monomer
Composition, and the extra 0.5-3wt% for accounting for polymerisable monomer light trigger is aggregated and formed, wherein, the courage
Steroid phase liquid crystal is that 0.5-10wt% chipal compounds are added in nematic liquid crystal and are formed.The polymerisable monomer and polymerization
The description of reaction condition is identical with foregoing dichroic dye layer.
Preferably, the first liquid crystal display (LCD) composite bed include stack gradually first substrate, the first liquid crystal layer,
First film transistor layer, second substrate.
Preferably, the second liquid crystal display (LCD) composite bed include stack gradually the 5th substrate, the second liquid crystal layer,
Second tft layer, the 6th substrate, the first layer of polarizer.
Preferably, the liquid crystal layer be various types of liquid crystal well known by persons skilled in the art, such as twisted-nematic (TN),
Conversion (IPS), advanced super dimension switch (ADS) or vertical orientated (VA) pattern etc. in super twisted nematic (STN), face.
Preferably, Organic Light Emitting Diode (OLED) composite bed include stack gradually the second layer of polarizer, the 3rd
Substrate, the first conductive layer, Organic Light Emitting Diode layer, the second conductive layer, tetrabasal.
It is highly preferred that Organic Light Emitting Diode (OLED) composite bed includes the 3rd substrate, the first gold medal stacked gradually
Belong to gate layer, Organic Light Emitting Diode layer, the second conductive layer, tetrabasal.Now, Metal gate layer plays conductive layer and polarisation simultaneously
The effect of layer.
Preferably, when the two-sided multi-function device includes the second liquid crystal display (LCD) composite bed, the organic light emission
Diode (OLED) composite bed includes the 3rd layer of polarizer in the opposite side of tetrabasal.
Those skilled in the art can further increase in above-mentioned each composite bed as needed either omit certain layer or
The order of each layer is suitably adjusted, as long as not influenceing the function of each layer to switch.
For example, when showing coloured image, can enter in described first and/or second liquid crystal display (LCD) composite bed
One step includes color film (colour filter).
For example, when the two-sided multi-function device includes the second liquid crystal display (LCD) composite bed, the organic light emission two
Second conductive layer and threeth layer of polarizer of pole pipe (OLED) composite bed in tetrabasal side can also be by the second Metal gate layers
Instead of.
In above-mentioned two-sided multi-function device, for the dichroic dye composite bed, its black state is represented not
In the case of applying voltage, liquid crystal molecule is different with dichroic dye molecules align direction in the layer, there is refractive index difference,
Ordinary ray, which is passed through, becomes the linearly polarized light with a direction after the dichroic dye composite bed of this state, and transparent state
Represent that liquid crystal molecule is identical with dichroic dye molecules align direction in the layer, in the absence of folding in the case where applying voltage
Rate difference is penetrated, all light can be through the dichroic dye composite bed without changing.
For the first and second liquid crystal display (LCD) composite bed, it shows that state is represented in different pixel electricity
Different states are presented in the liquid crystal molecule of each pixel in the presence of pressure, so that light is selectively passed through, and are in or be not in coloured silk
Colored or gray level image can be presented in the presence of film (i.e. colored filter) respectively on the whole；No matter transparent state represents liquid crystal mould
The difference (now whether applying voltage relevant with liquid crystal mode) of formula, makes all liquid crystal molecules all be capable of the shape of transmitted light
State, no matter and dark-state represents the difference of liquid crystal mode, make all liquid crystal molecules all being capable of light-absorbing state.
For example, in the case of the LCD of TN patterns, when not applying voltage, liquid crystal molecule is the differently- oriented directivity with substrate
Arrangement, the polarization light (polarised light in same direction with substrate differently- oriented directivity) come in from outside can pass through liquid crystal layer, from
And all light is shown, now liquid crystal can pass through backlight, i.e., in transparent state.In the case where applying voltage, liquid crystal molecule is along electric field
Direction is arranged, therefore the polarised light come in is absorbed, and dark-state is presented.
For the wide wave reflection composite bed, its transparent state is represented in the case where applying voltage, and liquid crystal molecule is along electric field
Direction is arranged, and light can be passed through, and mirror state represents that in the case where not applying voltage liquid crystal molecule is arranged (with the right side with helical structure
Exemplified by rotation), therefore after light is come in, right-handed rotation (rotatory polarization of clockwise direction) is reflected, and the left-handed rotation (circle of left hand direction
Polarisation) it can pass through, therefore the state of half-transmitting and half-reflecting is presented, its reflex components can realize mirror effect.
For the Organic Light Emitting Diode (OLED) composite bed, its light emitting state is represented in the case where applying voltage, OLED
Layer is luminous, so as to realize illumination state, transparent state represents that oled layer does not light when not applying voltage, is transparent state.
Brief description of the drawings
Fig. 1 is the structural representation of the two-sided multi-function device according to one side of the present utility model.
Fig. 2 is the dispaly state schematic diagram of the two-sided multi-function device according to one side of the present utility model.
Embodiment
The disclosure is described in detail by the following examples.It will be appreciated by those skilled in the art that following examples are only used for
The purpose of the disclosure is illustrated, without being intended to limit the scope of the present disclosure in any way.The scope of the present disclosure is with right
The scope summarized in claim is defined.
The disclosure is illuminated by using OLED, LCD, dichroic dye composite bed and reflect composite bed given stack knot
Structure and control method, and realize and independently switch illumination state, display state, mirror state on the two sides of device.
Embodiment 1
As shown in figure 1, preparing two-sided multi-function device according to following methods：
Thin film transistor (TFT) (TFT) is formed on a substrate 2；
Color film is set in the downside of substrate 1, upside sets dichroic dye composite bed；
Transparency electrode and oriented layer, centre perfusion nematic liquid crystal layer are provided with two substrates 1 and 2；
In the downside of substrate 2, wide wave reflection composite bed is set；
Substrate 3 is set on the downside of wide wave reflection composite bed；
In the downside of substrate 3, Metal gate layer is set；
OLED illuminating layers are set on the downside of Metal gate layer；
Substrate 4 is set on the downside of OLED illuminating layers.
The substrate 1, substrate 2 and other layers between them constitute the first liquid crystal display composite bed.
The different dispaly states of the embodiment described further below：
State 1
OLED composite beds be light emitting state (application voltage), LCD layer be display state, dichroism layer be black polarization state (not
Apply voltage), reflecting layer be transparent state (making alive) in the case of
The light that OLED illuminations are sent becomes after metal gate after polarisation, and LCD layer is reached by reflecting layer, but
By the light of LCD layer in dichroism layer by the transmission of selectivity or absorption (because polarisation), so that display image (upside).
Downside is that OLED illuminations directly light and play illuminating effect.
State 2
OLED composite beds on state of, LCD layer are that transparent state (full impregnated light), dichroism layer are that transparent state, reflecting layer are transparent
In the case of state
The light that sends of OLED illuminations becomes after metal gate after polarisation, be directed through reflecting layer, LCD layer and two to
Color layer, so as to form illumination state (upside).Downside is that OLED illuminations directly light and play illuminating effect.
State 3
OLED composite beds be light emitting state, LCD layer be dark-state, dichroism layer be black state, the feelings that reflecting layer is mirror state
Under condition
The light that OLED illuminations are sent becomes after metal gate after polarisation, reaches that reflecting layer is (right with later half light
Optically-active) reflected, lighted together with the light of downside toward OLED illuminations downside and form illumination state.Second half light (left-handed) reaches
To LCD layer by rear, light is absorbed (because polarisation) in dichroism layer, from formation black state.
State 4
OLED composite beds are that light emitting state, LCD layer are that transparent state, dichroism layer are that transparent state, reflecting layer are mirror state
In the case of
The light that OLED illuminations are sent becomes after metal gate after polarisation, reaches that reflecting layer is (right with later half light
Optically-active) reflected, lighted together with the light of downside toward OLED illuminations downside and form illumination state.Second half light (left-handed) is straight
The pellucidity through LCD layer and dichroism layer is connect, therefore the light come in outside layer reflects on reflecting layer and forms mirror
Sub- state.
State 5
OLED composite beds are that light emitting state, LCD layer are that transparent state, dichroism layer are that transparent state, reflecting layer are mirror state
When
All in pellucidity beyond reflecting layer, therefore the light come in from outside (upper and lower sides) reaches quilt after reflecting layer
Reflection, therefore both sides all form mirror-state.
Embodiment 2
On the basis of embodiment 1, knot identical with the first liquid crystal display composite bed is further formed in the downside of substrate 4
Second liquid crystal display composite bed of structure.
The different dispaly states of the embodiment described further below：
Except the second liquid crystal display (LCD) composite bed realizes dispaly state, to cause the downside of the two-sided multi-function device
Present and show beyond state, the state of the upside of its state 1- states 4 is identical with the upside state in embodiment 1.
Claims (9)
1. a kind of two-sided multi-function device, its dichroic dye composite bed for including stacking gradually, the first liquid crystal display are combined
Layer, wide wave reflection composite bed and Organic Light Emitting Diode composite bed, wherein, the dichroic dye composite bed can be in black state
Switch between transparent state, the first liquid crystal display composite bed can switch between display state, transparent state and dark-state, described
Wide wave reflection composite bed can switch between transparent state and mirror state, and the Organic Light Emitting Diode composite bed can be luminous
Switch between state and transparent state, wherein, the dichroic dye composite bed includes dichroic dye layer and the two of its both sides
Chromotropism dye coating transparency electrode, the wide wave reflection composite bed includes wide wave reflection layer and the wide wave reflection layer of its both sides is transparent
Electrode.
2. two-sided multi-function device according to claim 1, its second liquid crystal for further comprising continuing to stack is given instructions in reply
Layer is closed, wherein, the dichroic dye composite bed can switch between black state and transparent state, first and second liquid crystal
Show that composite bed can switch between display state, transparent state and dark-state independently of one another, the wide wave reflection composite bed can
Switch between transparent state and mirror state, the Organic Light Emitting Diode composite bed can be cut between light emitting state and transparent state
Change.
3. two-sided multi-function device according to claim 1, wherein
The first liquid crystal display composite bed include stack gradually first substrate, the first liquid crystal layer, first film transistor layer,
Second substrate.
4. two-sided multi-function device according to claim 1, wherein
The first liquid crystal display composite bed includes first substrate, color film, the first liquid crystal layer, the first film crystal stacked gradually
Tube layer, second substrate.
5. two-sided multi-function device according to claim 2, wherein
The second liquid crystal display composite bed include stack gradually the 5th substrate, the second liquid crystal layer, the second tft layer,
6th substrate, the first layer of polarizer.
6. two-sided multi-function device according to claim 1, wherein
The second layer of polarizer that the Organic Light Emitting Diode composite bed includes stacking gradually, the 3rd substrate, the first conductive layer, have
Machine LED layers, the second conductive layer, tetrabasal.
7. two-sided multi-function device according to claim 1, wherein
The Organic Light Emitting Diode composite bed include stack gradually the 3rd substrate, Metal gate layer, Organic Light Emitting Diode layer,
Second conductive layer, tetrabasal.
8. two-sided multi-function device according to claim 2, wherein
The second layer of polarizer that the Organic Light Emitting Diode composite bed includes stacking gradually, the 3rd substrate, the first conductive layer, have
Machine LED layers, the second conductive layer, tetrabasal, the 3rd layer of polarizer.
9. two-sided multi-function device according to claim 2, wherein
The Organic Light Emitting Diode composite bed includes the 3rd substrate, the first Metal gate layer, the organic light-emitting diodes stacked gradually
Tube layer, the second Metal gate layer, tetrabasal.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107065371A (en) * | 2017-01-23 | 2017-08-18 | 京东方科技集团股份有限公司 | A kind of two-sided multi-function device and its display methods |
| CN111399270A (en) * | 2020-03-26 | 2020-07-10 | 武汉华星光电半导体显示技术有限公司 | Double-sided display and manufacturing method thereof |
| CN113436543A (en) * | 2021-06-30 | 2021-09-24 | 武汉天马微电子有限公司 | Display device |
| US11532685B2 (en) | 2020-03-26 | 2022-12-20 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Doubled-side display device and manufacturing method thereof |
-
2017
- 2017-01-23 CN CN201720099931.0U patent/CN206450937U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107065371A (en) * | 2017-01-23 | 2017-08-18 | 京东方科技集团股份有限公司 | A kind of two-sided multi-function device and its display methods |
| CN107065371B (en) * | 2017-01-23 | 2023-10-10 | 京东方科技集团股份有限公司 | Double-sided multifunctional device and display method thereof |
| CN111399270A (en) * | 2020-03-26 | 2020-07-10 | 武汉华星光电半导体显示技术有限公司 | Double-sided display and manufacturing method thereof |
| CN111399270B (en) * | 2020-03-26 | 2021-06-22 | 武汉华星光电半导体显示技术有限公司 | Double-sided display and manufacturing method thereof |
| WO2021189557A1 (en) * | 2020-03-26 | 2021-09-30 | 武汉华星光电半导体显示技术有限公司 | Double-sided display and manufacturing method therefor |
| US11532685B2 (en) | 2020-03-26 | 2022-12-20 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Doubled-side display device and manufacturing method thereof |
| CN113436543A (en) * | 2021-06-30 | 2021-09-24 | 武汉天马微电子有限公司 | Display device |
| CN113436543B (en) * | 2021-06-30 | 2023-02-17 | 武汉天马微电子有限公司 | Display device |
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