CN105353430B - A kind of display screen and its ARC - Google Patents
A kind of display screen and its ARC Download PDFInfo
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- CN105353430B CN105353430B CN201510794200.3A CN201510794200A CN105353430B CN 105353430 B CN105353430 B CN 105353430B CN 201510794200 A CN201510794200 A CN 201510794200A CN 105353430 B CN105353430 B CN 105353430B
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- display screen
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/113—Anti-reflection coatings using inorganic layer materials only
- G02B1/115—Multilayers
-
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
-
- 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
-
- 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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Polarising Elements (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of display screen and its ARC, the display screen includes the ARC, the first polaroid, display module for stacking gradually setting from top to down, the ARC includes some groups of first medium films and some groups of second medium films, the first medium film, the alternately laminated setting of second medium film；The refractive index of the first medium film is more than the refractive index of the second medium film.The reflectance spectrum of the ARC is mutually compensated with the display module reflectance spectrum, and the reflected colour of whole display screen is presented colourless after such two kinds of reflectance spectrums synthesis.The display screen can be greatly reduced screen overall reflective, improve outdoor display effect, lifting user visual experience, thickness of displays be thinned.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of display screen and its ARC.
Background technology
With the continuous development of electronic technology, display of the people to smart machine display screen requires also more and more higher.Greatly
Most display screens can be reflected by strong light out of doors, often user can be made not seen under strong light in the display on display screen
Hold, cause visual poor.But be many times to use out of doors under strong light for mobile terminals such as mobile phones, due to screen
There is mirror-reflection in curtain, it is visual that reflected light and image light mix influence in itself.At present, the method for reducing screen reflection is to touch
Screen is touched to be bonded entirely with display screen, but 5.5-6.5% or so reflection integrally also be present in screen surface, wherein both including glass
The reflection on glass surface is again including the reflection inside display screen.
The content of the invention
In order to solve deficiency of the prior art, the present invention provides a kind of display screen and its ARC, can significantly dropped
Low screen overall reflective, the outdoor display effect that improves, lifting user visual experience, thinned thickness of displays.
The solve the above problems technical scheme of proposition of the present invention is：A kind of display screen is provided, including heap successively from top to down
The folded ARC set, the first polaroid, display module, if the ARC include some groups of first medium films and
Dry group second medium film, the first medium film, the alternately laminated setting of second medium film；The refractive index of the first medium film is big
In the refractive index of the second medium film.
Further, total group of number of the first medium film and second medium film is 4~6 groups.
Further, the first medium film, the thickness of second medium film are 100~200nm.
Further, first polaroid is rotatory polarization piece or elliptical polarizing plate, including
In the display module first phase delay piece and
Linear polarizer on first phase delay piece；
Wherein, the first phase delay piece is quarter-wave phase delay chip；The first phase delay piece
Optical axis direction and the polarization direction angle of the linear polarizer are 45 °.
Further, the first medium membrane material is silicon nitride or titanium oxide, and the material of the second medium film is two
Silica.
Further, if the display module is LCD, the display screen is also included positioned at first phase delay piece
The second phase delay piece of lower surface, wherein, the display module includes what is set successively away from second phase delay piece
Second polaroid, liquid crystal layer, the 3rd polaroid and backlight.
Further, the polarization direction of second polaroid is vertical with the polarization direction of the 3rd polaroid.
Display screen and its ARC provided by the invention, extraneous ambient light are passing through the anti-reflective coating layer surface
When screen reflection can as little as 0.6%, 99.4% light is transmitted into display screen, is changed into by rotatory polarization piece or elliptical polarizing plate
Circularly polarized light, circular polarization changes after shown module reflection, again passes by the rotatory polarization piece or elliptical polarizing plate
When major part light absorbed, residual 0.4% transmits from screen, and total reflection can as little as 1% or so.In addition, the antireflection
The reflectance spectrum of coating mutually compensates with the display module reflectance spectrum, whole display screen after such two kinds of reflectance spectrums synthesis
Reflected colour presents colourless.The display screen can be greatly reduced screen overall reflective, improve outdoor display effect, lifting user's vision
Experience, thickness of displays is thinned.
Brief description of the drawings
The following description carried out in conjunction with the accompanying drawings, above and other aspect, feature and the advantage of embodiments of the invention
It will become clearer, in accompanying drawing：
Fig. 1 is the display screen structure schematic diagram；
Fig. 2 is another structural representation of the display screen；
Fig. 3 is the another structural representation of the display screen.
Embodiment
Hereinafter, with reference to the accompanying drawings to embodiments of the invention are described in detail.However, it is possible to come in many different forms real
Apply the present invention, and the specific embodiment of the invention that should not be construed as limited to illustrate here.Conversely, there is provided these implementations
Example is in order to explain the principle and its practical application of the present invention, so that others skilled in the art are it will be appreciated that the present invention
Various embodiments and be suitable for the various modifications of specific intended application.
Embodiment 1
Reference picture 1, the present embodiment provide a kind of display screen 1, including ARC 11, the first polaroid 12 and display
Module 13.Wherein, the structure of the display screen 1 is described so that the display module 13 is OLED as an example in the present embodiment.Institute
The outermost that ARC 11 is located at the display screen 1 is stated, the display module 13 is located under the ARC 11
Surface, it is upper surface to define the 11 user oriented side of ARC here, under being with the upper surface opposite side
Surface, first polaroid 12 is between the display module 13 and the ARC 11.
In order to which the thickness of display screen 1 is thinned and reduces the reflection on its surface, set in the upper surface of the polaroid 12
There is the ARC 11.The ARC 11 be multilayer dielectric film and using sputtering technology by low-index material and
High-index material, which is alternately stacked, to be formed, and its case hardness has superpower scraping and wiping resistance performance close to the hardness of sapphire glass；Base
In the hardness, the ARC 11 can be as the protective glass of the display screen 1, and at present, conventional protective glass is thick
Degree is between 0.55~0.7mm, and relatively thin also has 0.4mm, and the display screen 1 uses the ARC 11 as protection glass
At least more than 0.5mm thickness can be saved after glass, wherein, save the thickness of thickness including protective glass and described for being bonded
The thickness of the optical cement of protective glass.In addition, set the ARC 11 can be with the upper surface of the polaroid 12
The reflection on the surface of display screen 1 is reduced using interference effect, for example, extraneous ambient light is passing through the ARC 11
Upper surface when reflection can as little as 0.6%, remaining 99.4% light will penetrate the ARC 11 and be incident upon institute
State on the first polaroid 12.
Specifically, the ARC 11 includes some groups of first medium films and some groups of second medium films, described
One deielectric-coating, the alternately laminated setting of second medium film；The first medium film has different refractions from the second medium film
Rate, for example, the refractive index of the first medium film is more than the refractive index of the second medium film.For example, the first medium film
Material can be selected from silicon nitride, titanium oxide (high index of refraction), the material of the second medium film can use silica (low
Refractive index), first medium film described here, the material of second medium film can also be selected from known to other skilled in the art
Material.Here it is respectively that first layer is situated between that we, which define first medium film, the second medium film being cascading from below to up,
Plasma membrane, the second layer dielectric ... ..., n-th layer deielectric-coating (n), then it is incident according to Fei Nier laws and the coherent superposition of light field
Reflectance spectrum of the light successively after the reflection of each layer on to the first layer dielectric is as follows：
Wherein, PiThe reflectance spectrum intensity for being incident ray after the i-th layer dielectric,Pass through i-th for incident ray
The phase of layer dielectric, δiPass through the optical path difference of the i-th layer dielectric, r for incident rayiFor the Fresnel reflection of the i-th layer dielectric
Coefficient (i=1,2 ..., n).
Fresnel reflection coefficient r and optical path difference δ is also relevant with the thickness d and refractive index k of each layer dielectric, between them
Relation can be represented by following formula：
Wherein, λ is incident ray wavelength, θiPass through the angle of the i-th layer dielectric for incident ray.
Can be drawn from formula above, by change each layer dielectric material and thickness can incident ray pass through
Different reflectance spectrums is obtained after the ARC 11, therefore, can be according to the material being actually needed to each layer dielectric
And thickness carries out comprehensive adjustment to obtain predetermined reflectance spectrum.Such as, if it is desired to so that overall reflective colour cast is close to nothing
Color, then pass through the reflectance spectrum and described first of the material and thickness that adjust the deielectric-coating ARC 11
Polaroid 12 and the overall reflectance spectrum of display module 13 in colour space coordinate system on origin symmetry, meanwhile, pass through tune
Save the material of the deielectric-coating and thickness cause the ARC 11 reflected intensity variation tendency and described first
The variation tendency of polaroid 12 and the overall reflective intensity of display module 13 on the contrary, the reflectance spectrum of i.e. described ARC with
The display module reflectance spectrum mutually compensates.
Wherein, in order to which the thickness of display screen is thinned, total group of number n of the first medium film and second medium film is 4~6,
For example, always group number n is 4,5 or 6；The thickness d of each layer dielectric is 100~200nm, and the thickness range includes therein
What concrete numerical value, for example, d is 100nm, 120nm, 150nm, 150.5nm, 180nm or 200nm.
In order to reduce the reflection inside the display screen 1, the first polaroid 12 is provided with the display screen 1, described first
Polaroid 12 is between the display module 13 and the ARC 11.First polaroid 12 be rotatory polarization piece or
Elliptical polarizing plate, it is included positioned at the first linear polarizer 121 of the lower surface of ARC 11 and positioned at the display mould
The first phase delay piece 122 of 13 upper surfaces of group.Wherein, the first phase delay piece 122 is that quarter-wave phase is prolonged
Slow piece, its optical axis direction and the polarization direction angle of first linear polarizer 121 are 45 °.When ambient projects institute
State on ARC 11, most of light becomes through the ARC 11 after first linear polarizer 121
Into linearly polarized light, the linearly polarized light becomes circularly polarized light, the circularly polarized light after the first phase postpones piece 122 again
Reflected again by the display module 13, the direction of rotation of the circularly polarized light after reflection is reverse, then postpones by the first phase
Become the linearly polarized light vertical with the polarization direction of first linear polarizer 121 after piece 122, then it is linear by described first
Largely absorbed after polarizer 121, only 0.4% can only be transmitted.
Reference picture 2, the display screen 1 also include positioned at the upper surface of ARC 11 anti-fingerprint coating 15 and
Touch-screen 14 between the ARC 11 and the linear polarizer 121.The touch-screen 14 is used for realization pair
The display screen 1 carries out touch control operation, and the anti-fingerprint coating 15 is used to reduce the fingerprint surface of display screen 1 and various spots
Attachment.The display module 13 is OLED, including successively away from the first phase delay piece 122 set first electrode 131,
Hole transmission layer 132, luminescent layer 133, electron transfer layer 134 and second electrode 135.The first electrode 131 is ITO conductive
Pole, it serves as anode；The second electrode 135 is metallic conduction pole, and it serves as negative electrode.When the first electrode 131 and
After two electrodes 135 and power on, in the presence of appropriate voltage, positive pole hole and institute caused by the hole transmission layer 132
Stating negative electrode electric charge caused by electron transfer layer 134 will combine in the luminescent layer 133, produce bright.
Embodiment 2
Reference picture 3, in the present embodiment, the display module 13 are LCD.The display screen 1 is also included positioned at described the
The second phase of the lower surface of one phase delay chip 122 postpones piece 16 and postpones piece 122 and second positioned at the first phase
Dielectric layer 17 between phase delay chip 16.The second phase delay optical axis direction of piece 16 and first phase delay piece
122 optical axis direction is consistent, can further increase the transmitance through the first phase delay polarised light of piece 122, and then
Improve display quality.Glued between the first phase delay piece 122 and second phase delay piece 16 by optical cement
Connect, if whole lower surface of the optical cement coated on first phase delay piece 122, the dielectric layer 17 is optics
Glue-line；If only coating optical cement at the edge of first phase delay piece 122, the dielectric layer 17 is air layer.
Display module 13 described here is LCD, and it includes second set successively away from second phase delay piece 16
Polaroid 141, liquid crystal layer 142, the 3rd polaroid 143, the polarization direction of first polaroid 141 and second polaroid
143 polarization direction is vertical, for controlling the luminous flux of the display module 13.Because LCD can not actively light, so, institute
The backlight 144 that display module 13 also includes being located under the 3rd polaroid 143 is stated, for being provided to the display module 13
Light source.Described above is only the embodiment of the application, it is noted that is come for those skilled in the art
Say, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should be regarded as
The protection domain of the application.
Claims (5)
1. a kind of display screen, including the ARC of setting, the first polaroid, display module are stacked gradually from top to down, its
It is characterised by, the ARC includes some groups of first medium films and some groups of second medium films, the first medium film,
The alternately laminated setting of second medium film；The refractive index of the first medium film is more than the refractive index of the second medium film, described
First polaroid is rotatory polarization piece or elliptical polarizing plate, including the first phase delay piece in the display module and position
Linear polarizer on first phase delay piece；Wherein, the first phase delay piece is quarter-wave phase
Postpone piece；The optical axis direction and the polarization direction angle of the linear polarizer of the first phase delay piece are 45 °；It is described aobvious
The second phase that display screen is also included positioned at first phase delay piece lower surface postpones piece and prolonged positioned at the first phase
Dielectric layer between slow piece and second phase delay piece, the dielectric layer is air layer, wherein, the display module includes
The second polaroid, liquid crystal layer, the 3rd polaroid and the backlight set successively away from second phase delay piece, described the
The optical axis direction of two phase delay piece is consistent with the optical axis direction of first phase delay piece.
2. display screen according to claim 1, it is characterised in that total group of number of the first medium film and second medium film
For 4~6 groups.
3. display screen according to claim 1, it is characterised in that the first medium film, the thickness point of second medium film
Wei not 100~200nm.
4. according to any described display screen of claims 1 to 3, it is characterised in that the first medium membrane material is silicon nitride
Or titanium oxide, the material of the second medium film is silica.
5. display screen according to claim 1, it is characterised in that the polarization direction of second polaroid and the described 3rd
The polarization direction of polaroid is vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794200.3A CN105353430B (en) | 2015-11-17 | 2015-11-17 | A kind of display screen and its ARC |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510794200.3A CN105353430B (en) | 2015-11-17 | 2015-11-17 | A kind of display screen and its ARC |
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| CN105353430A CN105353430A (en) | 2016-02-24 |
| CN105353430B true CN105353430B (en) | 2017-12-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019240939A1 (en) * | 2018-06-14 | 2019-12-19 | Intevac, Inc. | Multi-colored dielectric coating |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666438A (en) * | 2017-04-01 | 2018-10-16 | 上海和辉光电有限公司 | Display panel and display device |
| JP6999370B2 (en) * | 2017-11-06 | 2022-01-18 | 日東電工株式会社 | Polarizer with antireflection layer and its manufacturing method |
| CN109103219A (en) * | 2018-08-10 | 2018-12-28 | 武汉华星光电半导体显示技术有限公司 | The production method of composite film and preparation method thereof, OLED display panel |
| CN109786580A (en) * | 2019-02-14 | 2019-05-21 | 惠州市华星光电技术有限公司 | Display device |
| CN111338007A (en) * | 2020-03-11 | 2020-06-26 | 合肥鑫晟光电科技有限公司 | Anti-reflection film and preparation method thereof |
| CN113066372B (en) * | 2021-03-24 | 2022-10-04 | 武汉华星光电半导体显示技术有限公司 | Foldable display module and foldable display device |
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| CN1657976A (en) * | 2004-02-16 | 2005-08-24 | 柯尼卡美能达精密光学株式会社 | Optical element and optical pickup apparatus |
| CN100397186C (en) * | 2004-09-16 | 2008-06-25 | 东芝松下显示技术有限公司 | Liquid crystal display element |
| JP2011252934A (en) * | 2008-09-25 | 2011-12-15 | Sharp Corp | Display device |
| KR101318760B1 (en) * | 2009-10-20 | 2013-10-16 | 엘지디스플레이 주식회사 | Liquid crystal display |
| KR101122835B1 (en) * | 2010-04-23 | 2012-03-21 | 삼성모바일디스플레이주식회사 | Liquid Crystal Display |
| JP5525362B2 (en) * | 2010-07-26 | 2014-06-18 | 日東電工株式会社 | Circularly polarizing plate with antireflection layer and image display device |
| WO2012043375A1 (en) * | 2010-10-01 | 2012-04-05 | シャープ株式会社 | Liquid crystal display device |
| CN202929232U (en) * | 2012-11-23 | 2013-05-08 | 深圳市盛波光电科技有限公司 | Polarizer for anti-reflective display |
| CN103676283A (en) * | 2013-12-30 | 2014-03-26 | 苏州胜利光学玻璃有限公司 | Liquid crystal display structure provided with touch screen and used for reducing brightness of surface reflected light |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019240939A1 (en) * | 2018-06-14 | 2019-12-19 | Intevac, Inc. | Multi-colored dielectric coating |
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