CN108563053A - Dimmer board and display device - Google Patents
Dimmer board and display device Download PDFInfo
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- CN108563053A CN108563053A CN201810390102.7A CN201810390102A CN108563053A CN 108563053 A CN108563053 A CN 108563053A CN 201810390102 A CN201810390102 A CN 201810390102A CN 108563053 A CN108563053 A CN 108563053A
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- conductive layer
- dimmer board
- layer
- liquid crystal
- display device
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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
- G02F1/13306—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
- G02F1/133528—Polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133531—Polarisers characterised by the arrangement of polariser or analyser axes
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Liquid Crystal (AREA)
Abstract
A kind of dimmer board of present invention offer and display device.The dimmer board includes upper substrate, lower substrate and the liquid crystal layer between the upper substrate and the lower substrate, the upper substrate includes the first transparent substrates set gradually and the first conductive layer, the lower substrate includes the second transparent substrates set gradually and the second conductive layer, the light penetration of the light penetration that the first conductive layer and the second conductive layer to the dimmer board apply dimmer board when voltage dimmer board when being different from stopping to the first conductive layer of the dimmer board and the second conductive layer application voltage, the dimmer board is applied to display device, the brightness of display device can be controlled, be conducive to enhance the differentiation performance of product, promote the competitiveness of product in market.
Description
Technical field
The present invention relates to display technology field more particularly to a kind of dimmer board and display devices.
Background technology
Growing with display technology, various new techniques continue to bring out, and transparence display technology is transparent aobvious because of its
Show this characteristic of panel and its unique application, has been to be concerned by more and more people.Transparent display generally refers to be formed
Transparence display state is so that the display dress of the scene of the image shown in display device and display device behind can be seen in viewer
It sets.Transparent display has many possible applications, such as the displaying window of the window and shopping plaza of building or automobile.It removes
Other than the application of these large scale equipments, the mini-plant of such as handheld tablet computer may also benefit from transparent display,
For example, allowing users to viewing map and the scenery of screen viewing front can be penetrated.
It is expected that most existing display device market will gradually be replaced by transparent display, such as building
It builds, advertisement and public information field.Transparent display be divided into head-up display device, liquid crystal transparent display device with it is transparent organic
El display device, in these transparent displays, head-up display device is the method realization using image projecting, and
Liquid crystal transparent display device belongs to transparence display truly with transparent organic electroluminescence display device and method of manufacturing same.
In the prior art, liquid crystal transparent display device is frequently with the higher display panel of transmitance, by backlight module or ring
The light that border light is sent out is as light source, since the light penetration of the display panel is relatively high, is easy in black picture
There is the not black situation of brightness, this seriously affects user's usage comfort.
Invention content
The purpose of the present invention is to provide a kind of dimmer board, the brightness for adjusting display device can avoid display from filling
It sets in black picture and the not black situation of brightness occurs, enhance the differentiation performance of product, improve the competitiveness of product in market.
The present invention also aims to provide a kind of display device, including intensity adjustable dimmer board, can avoid showing
Showing device occurs the not black situation of brightness in black picture, enhances the differentiation performance of product, and the market for improving product is competing
Strive power.
To achieve the above object, the present invention provides a kind of dimmer boards, are used for display device, and the display device includes aobvious
Show panel, include for close to the upper substrate of the display panel, lower substrate and set on the upper substrate and the lower substrate it
Between liquid crystal layer；
The upper substrate includes the first transparent substrates set gradually and the first conductive layer；
The lower substrate includes the second transparent substrates set gradually and the second conductive layer；
The liquid crystal layer is set between first transparent substrates and second transparent substrates；
The first conductive layer and the second conductive layer to the dimmer board apply the light penetration of dimmer board when voltage
The light of the dimmer board penetrates when different from stopping applying voltage to the first conductive layer of the dimmer board and the second conductive layer
Rate.
When the first conductive layer and the second conductive layer to the dimmer board apply voltage, the dimmer board is transparent；Stop
When only applying voltage to the first conductive layer of the dimmer board and the second conductive layer, the dimmer board is translucent shape.
The dimmer board further includes being set to upper polaroid of the upper substrate far from the lower substrate side and being set to institute
State down polaroid of the lower substrate far from the upper substrate side；The absorption of the absorption axiss of the upper polaroid and the down polaroid
Axis is vertical；
When the first conductive layer to the dimmer board and the second conductive layer apply voltage, the dimmer board is translucent shape；
When stopping applying voltage to the first conductive layer of the dimmer board and the second conductive layer, the dimmer board is transparent.
The upper substrate further includes the first buffer layer being set between first transparent substrates and first conductive layer；
The lower substrate further includes the second buffer layer being set between second transparent substrates and second conductive layer；
The liquid crystal layer includes liquid crystal molecule and polymer.
The material of first transparent substrates and second transparent substrates is glass；First conductive layer and described
Two conductive layers are ITO-PET films；The first buffer layer and second buffer layer are EVA films.
The present invention also provides a kind of display devices, including display panel and the light modulation set on the display panel side
Plate；
The dimmer board include close to the upper substrate of the display panel, lower substrate and set on the upper substrate with it is described under
Liquid crystal layer between substrate；
The upper substrate includes the first transparent substrates set gradually and the first conductive layer；
The lower substrate includes the second transparent substrates set gradually and the second conductive layer；
The liquid crystal layer is set between first conductive layer and second conductive layer；
The first conductive layer and the second conductive layer to the dimmer board apply the light penetration of dimmer board when voltage
The light of the dimmer board penetrates when different from stopping applying voltage to the first conductive layer of the dimmer board and the second conductive layer
Rate.
When the first conductive layer and the second conductive layer to the dimmer board apply voltage, the dimmer board is transparent；Stop
When only applying voltage to the first conductive layer of the dimmer board and the second conductive layer, the dimmer board is translucent shape.
The dimmer board further includes being set to upper polaroid of the upper substrate far from the lower substrate side and being set to institute
State down polaroid of the lower substrate far from the upper substrate side；The absorption of the absorption axiss of the upper polaroid and the down polaroid
Axis is vertical；
When the first conductive layer to the dimmer board and the second conductive layer apply voltage, the dimmer board is translucent shape；
When stopping applying voltage to the first conductive layer of the dimmer board and the second conductive layer, the dimmer board is transparent.
The upper substrate further includes the first buffer layer being set between first transparent substrates and first conductive layer；
The lower substrate further includes the second buffer layer being set between second transparent substrates and second conductive layer；
The liquid crystal layer includes liquid crystal molecule and polymer.
The material of first transparent substrates and the second transparent substrates is glass；First conductive layer and the second conductive layer
For ITO-PET films；The first buffer layer and second buffer layer are EVA films.
The display device is liquid crystal display device, and the display device includes the backlight mould set on the display panel other side
Group.
Beneficial effects of the present invention：A kind of dimmer board provided by the invention, including upper substrate, lower substrate and on described
Liquid crystal layer between substrate and lower substrate, the upper substrate include the first transparent substrates set gradually and the first conductive layer,
The lower substrate includes the second transparent substrates set gradually and the second conductive layer, to the first conductive layer of the dimmer board with
The light penetration that second conductive layer applies dimmer board when voltage is different from stopping the first conductive layer to the dimmer board
The light penetration of the dimmer board can be controlled by the dimmer board applied to display device when applying voltage with the second conductive layer
Brightness of the display device processed in black picture is conducive to the differentiation performance for enhancing product, promotes the competitiveness of product in market.This
A kind of display device provided, including dimmer board as described above are provided, brightness of the display device in black picture can be avoided
Excessively high problem is conducive to the differentiation performance for enhancing product, promotes the competitiveness of product in market.
Description of the drawings
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with the detailed of the present invention
Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
In attached drawing,
Fig. 1 is the structural schematic diagram of the first embodiment of the dimmer board of the present invention；
Fig. 2 is the schematic diagram when first embodiment of the dimmer board of the present invention is powered；
Fig. 3 is the schematic diagram when first embodiment of the dimmer board of the present invention stops being powered；
Fig. 4 is the structural schematic diagram of the second embodiment of dimmer board；
Fig. 5 is the structural schematic diagram of the display device of the present invention；
The schematic diagram that Fig. 6 is the dimmer board of display device of the present invention when being transparence；
The schematic diagram that Fig. 7 is the dimmer board of display device of the present invention when being translucent.
Specific implementation mode
Further to illustrate the technological means and its effect of the invention taken, below in conjunction with the preferred implementation of the present invention
Example and its attached drawing are described in detail.
Referring to Fig. 1, the first embodiment of the dimmer board 1 for the present invention, the dimmer board 1 is used for display device, described
Display device includes display panel, the dimmer board 1 include for close to the upper substrate 10 of the display panel, lower substrate 20 and
Liquid crystal layer 30 between the upper substrate 10 and lower substrate 20；The upper substrate 10 is oppositely arranged with lower substrate 20.
The upper substrate 10 includes the first transparent substrates 11 set gradually and the first conductive layer 13；
The lower substrate 20 includes the second transparent substrates 21 set gradually and the second conductive layer 23；
The liquid crystal layer 30 is set between first conductive layer 13 and second conductive layer 23；
The first conductive layer 13 and the second conductive layer 23 to the dimmer board 1 apply the light of the dimmer board 1 when voltage
Transmitance dimmer board when being different from stopping to the first conductive layer 13 of the dimmer board 1 and the second conductive layer 23 application voltage
1 light penetration.
Specifically, the liquid crystal layer 30 include liquid crystal molecule 31 and polymer 32, the polymer 32 can to light into
Row scattering.
- 3 are please referred to Fig.1, is the first embodiment of the dimmer board 1 of the present invention, to the first conductive layer 13 of the dimmer board 1
When applying voltage with the second conductive layer 23, the dimmer board 1 is transparent；Stop the first conductive layer 13 to the dimmer board 1
When applying voltage with the second conductive layer 23, the dimmer board 1 is translucent shape.
It is incident side to define 10 side of the upper substrate, and 20 side of the lower substrate is light emission side；As shown in Fig. 2, to institute
It states the first conductive layer 13 and the second conductive layer 23 starts to apply voltage, produced between first conductive layer, 13 and second conductive layer 23
Raw voltage difference, in the liquid crystal layer 30, the parallel orderly distribution of the liquid crystal molecule 31, and the liquid crystal molecule 31 is perpendicular to described
Upper substrate 10 and the lower substrate 20, the incident light entered from incident side pass through liquid crystal layer 30 and are penetrated from the light emission side of dimmer board 1
Go out, the light penetration of dimmer board 1 is higher, and the dimmer board 1 is transparent at this time；As shown in figure 3, to first conductive layer
13 and second conductive layer 23 stop applying voltage, in the liquid crystal layer 30,31 random distribution of the liquid crystal molecule, therefore liquid crystal
Molecule 31 reflects all incident lights to any direction to reduce the light penetration of dimmer board 1, and polymer 32 can be with
Incident light is scattered, the incident light since scattering process can be lost, incident light scattered in polymer 32 after from
The light emission side of dimmer board 1 projects, and then reduces the light penetration of dimmer board 1 again, and the dimmer board 1 is translucent at this time
Shape.
Specifically, the material of first transparent substrates, 11 and second transparent substrates 21 can be rigid substrate or flexible base
Material；Preferably, the rigid substrate is glass, and the flexible parent metal is polyimides (PI).
Specifically, first conductive layer, 13 and second conductive layer 23 is ITO-PET films.
Further, it is sputtered on polyethylene terephthalate (PET) base material by magnetron sputtering technique thoroughly
Bright tin indium oxide (ITO) conductive film forms the ITO-PET films.
Specifically, the upper substrate 10 further includes being set between first transparent substrates 11 and first conductive layer 13
First buffer layer 12；The lower substrate 20 further includes being set between second transparent substrates 21 and second conductive layer 23
Second buffer layer 22.
Further, the first buffer layer 12 and second buffer layer 22 are ethylene-vinyl acetate copolymer (EVA) glue
Piece.
Referring to Fig. 4, the second embodiment of the dimmer board 1 for the present invention, difference lies in the tune with first embodiment
Tabula rasa 1 further includes being set to upper polaroid 41 of the upper substrate 10 far from 20 side of lower substrate and remote set on the lower substrate 20
Down polaroid 42 from 10 side of upper substrate；The absorption axiss of the upper polaroid 1 are vertical with the absorption axiss of down polaroid 42；
When the first conductive layer 13 and the second conductive layer 23 to the dimmer board 1 apply voltage, the dimmer board 1 is in semi-transparent
Bright shape；When stopping applying voltage to the first conductive layer 13 of the dimmer board 1 and the second conductive layer 23, the dimmer board 1 is in saturating
Bright shape.
It is incident side to define 10 side of the upper substrate, and 20 side of the lower substrate is light emission side；It is conductive to described first
Layer 13 and the second conductive layer 23 start to apply voltage, and voltage difference is generated between first conductive layer, 13 and second conductive layer 23,
In the liquid crystal layer 30, the parallel orderly distribution of the liquid crystal molecule 31, the liquid crystal molecule 31 vertically with the upper substrate 10 and
Lower substrate 20, the incident light entered by incident side forms the first polarised light by upper polaroid 41, due to the suction of upper polaroid 41
Receipts axis is vertical with the absorption axiss of down polaroid 42, and when first polarised light is by liquid crystal layer 30, liquid crystal molecule 31 will not be right
First polarised light is reflected, and passes through the first polarised light of a part of the liquid crystal molecule 31 of liquid crystal layer 30 that can not penetrate down polaroid
42, and scattering process occurs across the first polarised light of another part of polymer 32, another part first to be scattered is inclined
It shakes light-transmissive down polaroid 42, the light penetration of dimmer board 1 at this time is relatively low and the shape that is translucent.It is conductive to described first
Layer 13 and the second conductive layer 23 stop applying voltage, and the incident light entered by incident side forms the first polarization by upper polaroid 41
Light, in the liquid crystal layer 30, the liquid crystal molecule 31 is parallel to the upper substrate 10 and lower substrate 20 is distributed, therefore liquid crystal molecule
A part first is polarized anaclasis and is projected from 42 side of down polaroid by 31, and polymer 32 is to first polarised light of another part
It is scattered and is projected from 42 side of down polaroid, the light penetration of dimmer board 1 at this time is higher and is transparent.
Above-mentioned dimmer board 1 includes upper substrate 10, lower substrate 20 and the liquid between the upper substrate 10 and lower substrate 20
Crystal layer 30, the upper substrate 10 include the first transparent substrates 11 set gradually and the first conductive layer 13, the lower substrate 20
Including the second transparent substrates 21 set gradually and the second conductive layer 23, the first conductive layer 13 to the dimmer board 1 and
The light penetration that two conductive layers 23 apply the dimmer board 1 when voltage is different from stopping the first conduction to the dimmer board 1
Layer 13 and the second conductive layer 23 apply the light penetration of the dimmer board 1 when voltage, which, which is applied to display, fills
It sets, the brightness of display device can be controlled, be conducive to the differentiation performance for enhancing product, promote the competitiveness of product in market.
Based on above-mentioned dimmer board 1, referring to Fig. 5, the present invention also provides a kind of display device, including display panel 2 and
Dimmer board 1 set on 2 side of display panel；The backlight module 3 is used to send out towards display panel 2 as the light source of display device
Light, the light passes sequentially through display panel 2 and dimmer board 1 projects outwardly.
The dimmer board 1 includes the upper substrate 10 close to display panel 2, lower substrate 20 and is set to the upper substrate 10 under
Liquid crystal layer 30 between substrate 20；
The upper substrate 10 includes the first transparent substrates 11 set gradually and the first conductive layer 13；
The lower substrate 20 includes the second transparent substrates 21 set gradually and the second conductive layer 23；
The liquid crystal layer 30 is set between first conductive layer 13 and second conductive layer 23；
The first conductive layer 13 and the second conductive layer 23 to the dimmer board 1 apply the light of the dimmer board 1 when voltage
Transmitance dimmer board when being different from stopping to the first conductive layer 13 of the dimmer board 1 and the second conductive layer 23 application voltage
1 light penetration.
Specifically, the liquid crystal layer 30 include liquid crystal molecule 31 and polymer 32, the polymer 32 can to light into
Row scattering.
- 3 are please referred to Fig.1, is the first embodiment of the dimmer board 1 of the present invention, to the first conductive layer 13 of the dimmer board 1
When applying voltage with the second conductive layer 23, the dimmer board 1 is transparent；Stop the first conductive layer 13 to the dimmer board 1
When applying voltage with the second conductive layer 23, the dimmer board 1 is translucent shape.
It is incident side to define 10 side of the upper substrate, and 20 side of the lower substrate is light emission side；As shown in Fig. 2, to institute
It states the first conductive layer 13 and the second conductive layer 23 starts to apply voltage, produced between first conductive layer, 13 and second conductive layer 23
Raw voltage difference, in the liquid crystal layer 30, the parallel orderly distribution of the liquid crystal molecule 31, the liquid crystal molecule 31 is on described
Substrate 10 and lower substrate 20, the incident light entered from incident side pass through liquid crystal layer 30 and are projected from the light emission side of dimmer board 1, light modulation
The light penetration of plate 1 is higher, and dimmer board 1 is transparent at this time, as shown in fig. 6, the light sent out by backlight module 3 leads to successively
It crosses display panel 2 and dimmer board 1 projects outwardly.As shown in figure 3, being applied to the stopping of first conductive layer, 13 and second conductive layer 23
Making alive, in the liquid crystal layer 30,31 random distribution of the liquid crystal molecule, thus liquid crystal molecule 31 by all incident lights to
Any direction reflects to reduce the light penetration of dimmer board 1, and polymer 32 can be scattered incident light, it is described enter
Light is penetrated since scattering process can be lost, incident light projects after being scattered in polymer 32 from the light emission side of dimmer board 1, in turn
The light penetration of dimmer board 1 is reduced again, dimmer board 1 is translucent shape at this time, as shown in fig. 7, sent out by backlight module 3
Light passes sequentially through display panel 2 and dimmer board 1 projects outwardly, and the light can lose when passing through dimmer board 1, therefore
The brightness that the light across dimmer board 1 can be reduced is conducive to the usage comfort for improving user.
Specifically, the material of first transparent substrates, 11 and second transparent substrates 21 can be rigid substrate or flexible base
Material；Preferably, the rigid substrate is glass, and the flexible parent metal is polyimides (PI).
Specifically, first conductive layer, 13 and second conductive layer 23 is ITO-PET films.
Further, it is sputtered on polyethylene terephthalate (PET) base material by magnetron sputtering technique thoroughly
The ITO-PET films that bright tin indium oxide (ITO) conductive film is formed.
Specifically, the upper substrate 10 further includes being set between first transparent substrates 11 and first conductive layer 13
First buffer layer 12；The lower substrate 20 further includes being set between second transparent substrates 21 and second conductive layer 23
Second buffer layer 22.
Further, the first buffer layer 12 and second buffer layer 22 are EVA films.
Specifically, the display device is liquid crystal display device, and the display device includes being set to 2 other side of display panel
Backlight module 3.Specifically, the display device is transparent display.
Referring to Fig. 4, the second embodiment of the dimmer board 1 for the present invention, the first embodiment with the dimmer board 1 of the present invention
Difference lies in, the dimmer board 1 further include be set to upper polaroid 41 of the upper substrate 10 far from 20 side of lower substrate and
Set on down polaroid 42 of the lower substrate 20 far from 10 side of upper substrate；The absorption axiss and down polaroid of the upper polaroid 1
42 absorption axiss are vertical；
When the first conductive layer 13 and the second conductive layer 23 to the dimmer board 1 apply voltage, the dimmer board 1 is in semi-transparent
Bright shape；When stopping applying voltage to the first conductive layer 13 of the dimmer board 1 and the second conductive layer 23, the dimmer board 1 is in saturating
Bright shape.
It is incident side to define 10 side of the upper substrate, and 20 side of the lower substrate is light emission side；It is conductive to described first
Layer 13 and the second conductive layer 23 start to apply voltage, and voltage difference is generated between first conductive layer, 13 and second conductive layer 23,
In the liquid crystal layer 30, the parallel orderly distribution of the liquid crystal molecule 31, the liquid crystal molecule 31 is perpendicular to 10 He of the upper substrate
Lower substrate 20, the incident light entered by incident side forms the first polarised light by upper polaroid 41, due to the suction of upper polaroid 41
Receipts axis is vertical with the absorption axiss of down polaroid 42, and when first polarised light is by liquid crystal layer 30, liquid crystal molecule 31 will not be right
First polarised light is reflected, and passes through the first polarised light of a part of the liquid crystal molecule 31 of liquid crystal layer 30 that can not penetrate down polaroid
42, and scattering process occurs across the first polarised light of another part of polymer 32, another part first to be scattered is inclined
It shakes light-transmissive down polaroid 42, the light penetration of dimmer board 1 at this time is relatively low and the shape that is translucent, as shown in fig. 7, by carrying on the back
The light that optical mode group 3 is sent out passes sequentially through display panel 2 and dimmer board 1 projects outwardly, light meeting when by dimmer board 1
It loses, therefore the brightness of the light across dimmer board 1 can be reduced, be conducive to the usage comfort for improving user.To institute
It states the first conductive layer 13 and the second conductive layer 23 stops applying voltage, the incident light entered by incident side passes through 41 shape of upper polaroid
At the first polarised light, in the liquid crystal layer 30, the liquid crystal molecule 31 is parallel to the upper substrate 10 and lower substrate 20, therefore liquid
A part first is polarized anaclasis and is projected from 42 side of down polaroid by brilliant molecule 31, and polymer 32 is to the first of another part
Polarised light is scattered and is projected from 42 side of down polaroid, and the light penetration of dimmer board 1 at this time is higher and is transparent, such as
Shown in Fig. 6, the light sent out by backlight module 3 passes sequentially through display panel 2 and dimmer board 1 projects outwardly.
The dimmer board 1 of above-mentioned display device include liquid crystal layer 30, set on 30 side of the liquid crystal layer lower substrate 20 and
Upper substrate 10 set on 30 other side of the liquid crystal layer, the upper substrate 10 include the first transparent substrates 11 for setting gradually and
First conductive layer 13, the lower substrate 20 includes the second transparent substrates 21 set gradually and the second conductive layer 23, to described
The light penetration of first conductive layer 13 of dimmer board 1 dimmer board 1 when applying voltage with the second conductive layer 23 is different from stopping
The light penetration of the dimmer board 1 when only to the first conductive layer 13 of the dimmer board 1 and the second conductive layer 23 application voltage,
The dimmer board 1 is applied to display device, the brightness of display device can be controlled, is conducive to the differentiation performance for enhancing product,
Promote the competitiveness of product in market.
In conclusion the dimmer board of the present invention includes upper substrate, lower substrate and is set between the upper substrate and lower substrate
Liquid crystal layer, the upper substrate includes the first transparent substrates set gradually and the first conductive layer, the lower substrate include according to
The second transparent substrates and the second conductive layer of secondary setting, the first conductive layer and the second conductive layer to the dimmer board apply electricity
The light penetration of the dimmer board is different from stopping applying the first conductive layer of the dimmer board and the second conductive layer when pressure
The dimmer board is applied to display device, can control the brightness of display device by the light penetration of dimmer board when voltage,
The differentiation performance for being conducive to enhance product, promotes the competitiveness of product in market.The display device of the present invention includes as above-mentioned
Dimmer board, the problem that brightness of the display device in black picture can be avoided excessively high are conducive to the differentiation performance for enhancing product,
Promote the competitiveness of product in market.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology
Other various corresponding change and deformations are made in design, and all these change and distortions should all belong to the claims in the present invention
Protection domain.
Claims (10)
1. a kind of dimmer board (1) is used for display device, the display device includes display panel, which is characterized in that including being used for
Close to the upper substrate (10) of the display panel, lower substrate (20) and set on the upper substrate (10) and the lower substrate (20) it
Between liquid crystal layer (30)；
The upper substrate (10) includes the first transparent substrates (11) set gradually and the first conductive layer (13)；
The lower substrate (20) includes the second transparent substrates (21) set gradually and the second conductive layer (23)；
The liquid crystal layer (30) is set between first conductive layer (13) and second conductive layer (23)；
The first conductive layer (13) to the dimmer board (1) and the dimmer board (1) when the second conductive layer (23) application voltage
When light penetration is different from stopping applying voltage with the second conductive layer (23) to the first conductive layer (13) of the dimmer board (1)
The light penetration of the dimmer board (1).
2. dimmer board (1) as described in claim 1, which is characterized in that the first conductive layer (13) of the dimmer board (1) with
When second conductive layer (23) applies voltage, the dimmer board (1) is transparent；Stop the first conduction to the dimmer board (1)
When layer (13) and the second conductive layer (23) apply voltage, the dimmer board (1) is translucent shape.
3. dimmer board (1) as described in claim 1, which is characterized in that the dimmer board (1) further includes being set to the upper substrate
(10) upper polaroid (41) far from the lower substrate (20) side and set on the lower substrate (20) far from the upper substrate
(10) down polaroid (42) of side；The absorption axiss of the upper polaroid (41) are hung down with the absorption axiss of the down polaroid (42)
Directly；
When applying voltage with the second conductive layer (23) to the first conductive layer (13) of the dimmer board (1), the dimmer board (1) is in
It is translucent；When stopping applying voltage with the second conductive layer (23) to the first conductive layer (13) of the dimmer board (1), the tune
Tabula rasa (1) is transparent.
4. dimmer board (1) as described in claim 1, which is characterized in that the upper substrate (10) further includes being set to described first
First buffer layer (12) between transparent substrates (11) and first conductive layer (13)；The lower substrate (20) further includes being set to
Second buffer layer (22) between second transparent substrates (21) and second conductive layer (23)；
The liquid crystal layer (30) includes liquid crystal molecule (31) and polymer (32).
5. dimmer board (1) as claimed in claim 4, which is characterized in that first transparent substrates (11) and described second are thoroughly
The material of bright substrate (21) is glass；First conductive layer (13) and second conductive layer (23) are ITO-PET films；Institute
It is EVA films to state first buffer layer (12) and the second buffer layer (22).
6. a kind of display device, which is characterized in that the tune including display panel (2) and set on the display panel (2) side
Tabula rasa (1)；
The dimmer board (1) includes close to the upper substrate (10) of the display panel (2), lower substrate (20) and being set to the upper base
Liquid crystal layer (30) between plate (10) and the lower substrate (20)；
The upper substrate (10) includes the first transparent substrates (11) set gradually and the first conductive layer (13)；
The lower substrate (20) includes the second transparent substrates (21) set gradually and the second conductive layer (23)；
The liquid crystal layer (30) is set between first conductive layer (13) and second conductive layer (23)；
The first conductive layer (13) to the dimmer board (1) and the dimmer board (1) when the second conductive layer (23) application voltage
When light penetration is different from stopping applying voltage with the second conductive layer (23) to the first conductive layer (13) of the dimmer board (1)
The light penetration of the dimmer board (1).
7. display device as claimed in claim 6, which is characterized in that the first conductive layer (13) of the dimmer board (1) with
When second conductive layer (23) applies voltage, the dimmer board (1) is transparent；Stop the first conduction to the dimmer board (1)
When layer (13) and the second conductive layer (23) apply voltage, the dimmer board (1) is translucent shape.
8. display device as claimed in claim 6, which is characterized in that the dimmer board (1) further includes being set to the upper substrate
(10) upper polaroid (41) far from the lower substrate (20) side and set on the lower substrate (20) far from the upper substrate
(10) down polaroid (42) of side；The absorption axiss of the upper polaroid (1) are vertical with the absorption axiss of the down polaroid (42)；
When applying voltage with the second conductive layer (23) to the first conductive layer (13) of the dimmer board (1), the dimmer board (1) is in
It is translucent；When stopping applying voltage with the second conductive layer (23) to the first conductive layer (13) of the dimmer board (1), the tune
Tabula rasa (1) is transparent.
9. display device as claimed in claim 6, which is characterized in that the upper substrate (10) further includes being set to described first thoroughly
First buffer layer (12) between bright substrate (11) and first conductive layer (13)；The lower substrate (20) further includes being set to institute
State the second buffer layer (22) between the second transparent substrates (21) and second conductive layer (23)；The liquid crystal layer (30) includes
Liquid crystal molecule (31) and polymer (32)；
The material of first transparent substrates (11) and second transparent substrates (21) is glass；First conductive layer (13)
It is ITO-PET films with second conductive layer (23)；The first buffer layer (12) and the second buffer layer (22) are EVA
Film.
10. display device as claimed in claim 6, which is characterized in that the display device is liquid crystal display device, described aobvious
Showing device includes the backlight module (3) set on the display panel (2) other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390102.7A CN108563053A (en) | 2018-04-27 | 2018-04-27 | Dimmer board and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390102.7A CN108563053A (en) | 2018-04-27 | 2018-04-27 | Dimmer board and display device |
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|---|---|
| CN108563053A true CN108563053A (en) | 2018-09-21 |
Family
ID=63537131
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810390102.7A Pending CN108563053A (en) | 2018-04-27 | 2018-04-27 | Dimmer board and display device |
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| Country | Link |
|---|---|
| CN (1) | CN108563053A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5570210A (en) * | 1993-05-06 | 1996-10-29 | Fujitsu Limited | Liquid crystal display device with directional backlight and image production capability in the light scattering mode |
| CN103365339A (en) * | 2012-03-26 | 2013-10-23 | 联想(北京)有限公司 | Display method for transparent screen and electronic device |
| CN207096634U (en) * | 2017-06-28 | 2018-03-13 | 广州市浩洋电子股份有限公司 | Intelligent linear atomization light guide body of stage lamp and stage lamp |
-
2018
- 2018-04-27 CN CN201810390102.7A patent/CN108563053A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5570210A (en) * | 1993-05-06 | 1996-10-29 | Fujitsu Limited | Liquid crystal display device with directional backlight and image production capability in the light scattering mode |
| CN103365339A (en) * | 2012-03-26 | 2013-10-23 | 联想(北京)有限公司 | Display method for transparent screen and electronic device |
| CN207096634U (en) * | 2017-06-28 | 2018-03-13 | 广州市浩洋电子股份有限公司 | Intelligent linear atomization light guide body of stage lamp and stage lamp |
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