CN109378336A - A kind of colour element linear polarization goes out light Organic Light Emitting Diode - Google Patents
A kind of colour element linear polarization goes out light Organic Light Emitting Diode Download PDFInfo
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
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- H—ELECTRICITY
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/868—Arrangements for polarized light emission
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
Abstract
The invention discloses a kind of colour element linear polarizations to go out light Organic Light Emitting Diode, belong to organic photoelectric display device technical field, including substrate, the first transport layer, white-light organic light-emitting layer, the second transport layer and the composite back electrode from top to bottom set gradually, two-dimensional nanostructure is respectively provided in the first transport layer, white-light organic light-emitting layer, the second transport layer and composite back electrode；Pixel unit is set in the upper surface of substrate, pixel unit includes the first pixel subelement, the second pixel subelement and third pixel subelement, realizes blue, green, red three wave bands multi-color cord polarized light respectively.The present invention realizes that the color pixelated linear polarization of white light OLED device directly goes out light, it is completed at the same time the conversion of pixelation color and polarization regulation, and the two-dimensional nanostructure central cross-section being arranged in device is ellipse, it is able to achieve and TE polarization is recycled, and the transformation of part TE mode to TM mode is realized simultaneously, new Technology Ways are provided for color pixelated linear polarization light source.
Description
Technical field
The invention belongs to organic photoelectric display device technical fields, and in particular to it is organic that a kind of colour element linear polarization goes out light
Light emitting diode.
Background technique
Polarised light shows as a kind of information carrier in LCD backlight, 3 D stereo, atmosphere environment supervision, target are anti-hidden and
There are great development potentiality and application value in the fields such as identification.The conventional method for obtaining polarised light is by lamp and polarization member
Part combines, and due to the mismatch of refractive index between lamp device and conventional polarizer, easily causes lamp using effect
The intrinsic of rate is limited.Only by taking the mainstream technology LCD of current display line industry as an example: its disadvantage is the efficiency of light energy utilization lower than 5%,
Nearly half luminous energy is consumed by polarizing film (transmitance is only 40%) among these.It would be desirable that preparing direct polarized light
Active light emissive device is thus convenient to be expanded on the basis of existing production process of semiconductor, unique optics function
It can be integrated in same process and complete with other function, so that solving conventional method obtains the above-mentioned office that polarised light occurs
Limit.
In numerous luminescent devices, Organic Light Emitting Diode (organic light-emitting device, OLED) is
One of device to come out earliest in organic electronic device, since OLED technology has low-power consumption, actively luminous, all solid state, color
It enriches, be easy to many advantages, such as flexible and stretchable substrate combines, before being considered most development by industrial circle and scientific research circle
One of the next-generation FPD of scape and lighting engineering, and produced in the business such as mobile phone, digital camera, TV, laptop
It is applied in product and shows powerful growth momentum.However, the emergent light of routine OLED is the area source of lambert's body natural light,
Do not have linear polarization characteristic.Therefore, if realizing that the direct linear polarization of OLED device goes out light, large area linearly polarized light is realized
Source.And such large area linear polarization area source can be directly as the backlight of liquid crystal, it can also be used to polarotactic navigation above-mentioned,
Target is anti-hidden and the fields such as identification.Further, if OLED device is able to achieve colour element linear polarization and goes out light, why stood for three-dimensional
Body shows etc. that fields provide a kind of completely new technological approaches, there is important science and practical application value.In conclusion realizing
OLED device linear polarization goes out light, and especially realization colour element linear polarization goes out light with critically important realistic meaning.
Application number 201310144195.2 discloses " a kind of polarized light-emitting diode of nano-grain array " and is sending out
Nano-grain array is directly prepared on the light output surface of optical diode (LED), the polarization structure of line grating is made of nano particle,
It obtains active linear polarization and goes out light.Although this patent is that active linear polarization goes out optical device, it is only applicable to inorganic LED component, LED
It is not area source, can not achieve linear polarization area source, and is less able to achieve colour element linear polarization and goes out light.
Application number 201310147599.7 discloses " a kind of organic electroluminescent LED and preparation method thereof " in OLED
Paracycle is formed between the electron transfer layer and luminescent layer of device or between hole transmission layer and luminescent layer or aperiodic is received
Rice structure, can effectively improve the light extraction efficiency of OLED.But its emergent light is still natural light, can not achieve linear polarization and goes out light.
Application number 201710148866.0 discloses " a kind of linear polarization go out light Organic Light Emitting Diode " in OLED device base
While metal medium polarization grating is arranged in bottom, One Dimension Periodic nanometer grating is set in device inside simultaneously and realizes OLED device
Direct linear polarization goes out light.However, this patent can only realize wide spectrum or monochromatic line polarized light.In short, can not achieve linear polarization
The pixelation conversion and color separated of color are realized while light out.
Document " Organic polarized light-emitting diodes viaEnergy Transfer
Using monodisperse conjugated oligomers " (Advanced Materials.2004,16,783-788.)
Light emitting molecule material is designed, glassy liquid crystals are polymer-doped into luminescent material, it utilizesEnergy transmission is realized
OLED linear polarization goes out light.But this method can only realize a kind of green line polarized light, cannot be converted into the light that goes out of white light OLED
Colour element linear polarization goes out light.
Summary of the invention
Goal of the invention: the present invention provides a kind of colour element linear polarization and goes out light Organic Light Emitting Diode, realizes white light OLED
Device colour element linear polarization directly goes out light, is completed at the same time the conversion of pixelation color and polarization regulation, is that color pixelated line is inclined
Vibration light source provides new Technology Ways.
Technical solution: to achieve the above object, the present invention adopts the following technical scheme:
A kind of colour element linear polarization goes out light Organic Light Emitting Diode, including from top to bottom set gradually substrate, first
Transport layer, white-light organic light-emitting layer, the second transport layer and composite back electrode, in first transport layer, white-light organic light-emitting
Two-dimensional nanostructure is respectively provided in layer, the second transport layer and composite back electrode, the two-dimensional nanostructure central cross-section is ellipse
Circle, period are 100~250nm, and duty ratio is 0.3~0.7, and groove depth is 30~60nm；It is arranged in the upper surface of the substrate
Pixel unit, pixel unit include the first pixel subelement, the second pixel subelement and third pixel subelement, described first
Pixel subelement, the second pixel subelement and third pixel subelement realize that blue, green, red three wave bands colour linear polarization goes out respectively
Light.
Further, the laminated construction that first transport layer is made of one or more of materials, the material are selected from
Poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)dryre-
Dispersiblepellets] (PEDOT:PSS), N, N'- diphenyl-N, N'- (1- naphthalene) -1,1'- biphenyl -4,4'- diamines
(NPB)、4,4′,4″-Tri(9-carbazoyl)triphenylamine(TCTA)、1,3,5-tri[(3-pyridyl)-
Phen-3-yl] benzene (TmPyPB), molybdenum trioxide, titanium dioxide, nickel oxide and zinc oxide.
Further, the white-light organic light-emitting layer is that two kinds of doping are composed, one is being selected from N, N'-
Dicarbazolyl-3,5-benzene (mCP), 4,4'-Bis (9H-carbazol-9-yl) biphenyl (CBP), 2,9- bis-
The doping of one or both of methyl -4,7- biphenyl -1,10- phenanthrolene (BCP), the second is selected from being to be selected from
iridium(III)bis(4-phenylthieno[3,2-c]pyridinato-N,C2')acetylacetonate(PO-01)、
Tris(2-phenylpyridine)iridium(III)(Ir(ppy)3)、Ir(MDQ)2(acac), bis- (4,6- difluorophenyl pyrroles
Pyridine-N, C2) pyridinecarboxylic conjunction iridium (FIrpic), acetopyruvic acid two (2- phenylpyridine) iridium (Ir (ppy)2(acac)) one in
Kind or a few species complexities.
Further, the laminated construction that second transport layer is made of one or more of materials, the material are selected from
Three (8-hydroxyquinoline) aluminium (Alq3), 4,7- diphenyl -1,10- ferrosin (Bphen), N, N'- diphenyl-N, N'- (1- naphthalene
Base) -1,1'- biphenyl -4,4'- diamines (NPB), N, (3- the aminomethyl phenyl) -1,1'- biphenyl of N'- diphenyl-N, N'- bis- -4,4'-
Diamines (TPD), Cu-Phthalocyanines (CuPc), 2,2', 2 "-(1,3,5-benzinetriyl) tris (1-phenyl-
1H-benzimidazole) in (TPBi) and tetra- cyanogen dimethyl-parabenzoquinone (F44TCNQ) of 2,3,5,6- tetra- fluoro- 7,7', 8,8'-
One or more of combinations.
Further, the first pixel subelement, the second pixel subelement and third pixel subelement lead to respectively
Cross One Dimension Periodic metal medium nanometer grating composition；In the One Dimension Periodic metal medium nanometer grating, metal is aluminium,
Medium is zinc oxide or molybdenum trioxide.
Further, the One Dimension Periodic metal medium nanometer grating period of the first pixel subelement be 0.22~
0.26 μm, medium level is 0.08~0.12 μm, and the metal height being set on medium is 0.06~0.08 μm, grating duty ratio
It is 0.6~0.7.
Further, the One Dimension Periodic metal medium nanometer grating period of the second pixel subelement be 0.29~
0.33 μm, medium level is 0.08~0.12 μm, and the metal height being set on medium is 0.06~0.08 μm, grating duty ratio
It is 0.6~0.7.
Further, the One Dimension Periodic metal medium nanometer grating period of the third pixel subelement be 0.39~
0.43 μm, medium level is 0.08~0.12 μm, and the metal height being set on medium is 0.06~0.08 μm, grating duty ratio
It is 0.6~0.7.
The utility model has the advantages that compared with prior art, a kind of colour element linear polarization of the invention goes out light Organic Light Emitting Diode,
It realizes that the color pixelated linear polarization of white light OLED device directly goes out light, is completed at the same time the conversion of pixelation color and polarization regulation, and
The two-dimensional nanostructure central cross-section being arranged in device is ellipse, is able to achieve and recycles to TE polarization, and achievement unit simultaneously
Divide TE mode to the transformation of TM mode.The present invention provides new Technology Ways for color pixelated linear polarization light source.
Detailed description of the invention
Fig. 1 is that colour element linear polarization goes out light Organic Light Emitting Diode the schematic diagram of the section structure；
Fig. 2 is the pixel unit top view of One Dimension Periodic metal medium nanometer grating structure composition；
Fig. 3 is two-dimensional nanostructure central cross-section periodic distribution schematic diagram；
Fig. 4 is that embodiment colour element linear polarization goes out the signal of light organic light-emitting diode spectrum test apparatus structure
Figure；
Fig. 5 is the polarized light normalization light spectrogram of embodiment one；
Fig. 6 is the polarized light normalization light spectrogram of embodiment two；
Fig. 7 is the polarized light normalization light spectrogram of embodiment three.
Specific embodiment
In order to further illustrate the present invention, a kind of colour element linear polarization provided by the invention is gone out with reference to embodiments
Light Organic Light Emitting Diode is described in detail.Furthermore, it is to be understood that after reading the content taught by the present invention, this field
Technical staff can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims
Limited range.
As shown in Figs. 1-2, a kind of colour element linear polarization goes out light Organic Light Emitting Diode, including from top to bottom sets gradually
Substrate 1, the first transport layer 2, white-light organic light-emitting layer 3, the second transport layer 4 and composite back electrode 5, in the first transport layer 2, white
Two-dimensional nanostructure is respectively provided in light organic luminous layer 3, the second transport layer 4 and composite back electrode 5, two-dimensional nanostructure center is cut
Face is ellipse, and the period is 100~250nm, and duty ratio is 0.3~0.7, and groove depth is 30~60nm；It is arranged in the upper surface of substrate 1
Pixel unit 6, pixel unit 6 include the first pixel subelement, the second pixel subelement and third pixel subelement, the first pixel
Subelement, the second pixel subelement and third pixel subelement realize blue, green, red three wave bands multi-color cord polarized light respectively.
The laminated construction that first transport layer 2 is made of one or more of materials, material are selected from Poly (3,4-
ethylenedioxythiophene)-poly(styrenesulfonate)dryre-dispersiblepellets]
(PEDOT:PSS), N, N'- diphenyl-N, N'- (1- naphthalene) -1,1'- biphenyl -4,4'- diamines (NPB), 4,4 ', 4 "-Tri (9-
carbazoyl)triphenylamine(TCTA)、1,3,5-tri[(3-pyridyl)-phen-3-yl]benzene
(TmPyPB), molybdenum trioxide, titanium dioxide, nickel oxide and zinc oxide.
White-light organic light-emitting layer 3 is that two kinds of doping are composed, one is being selected from N, N'-Dicarbazolyl-3,5-
Benzene (mCP), 4,4'-Bis (9H-carbazol-9-yl) biphenyl (CBP), biphenyl -1 2,9- dimethyl -4,7-,
The doping of one or both of 10- phenanthrolene (BCP), the second is selected from being selected from iridium (III) bis (4-
phenylthieno[3,2-c]pyridinato-N,C2')acetylacetonate(PO-01)、Tris(2-
phenylpyridine)iridium(III)(Ir(ppy)3)、Ir(MDQ)2(acac), bis- (4,6- difluorophenyl pyridinato-N, C2)
Pyridinecarboxylic closes iridium (FIrpic), acetopyruvic acid two (2- phenylpyridine) iridium (Ir (ppy)2One or more of (acac))
Doping.
The laminated construction that second transport layer 4 is made of one or more of materials, material are selected from three (8-hydroxyquinoline) aluminium
(Alq3), 4,7- diphenyl-1,10- ferrosin (Bphen), N, N'- diphenyl-N, N'- (1- naphthalene) biphenyl-4-1,1'-,
4'- diamines (NPB), N, N'- diphenyl-N, N'- bis- (3- aminomethyl phenyl) -1,1'- biphenyl -4,4'- diamines (TPD), Cu-
Phthalocyanines(CuPc)、2,2',2”-(1,3,5-benzinetriyl)tris(1-phenyl-1H-
benzimidazole)
First pixel subelement, the second pixel subelement and third pixel subelement pass through One Dimension Periodic metal respectively
Medium nanometer grating composition；In the One Dimension Periodic metal medium nanometer grating, metal is aluminium, medium be zinc oxide or
Molybdenum trioxide.
The One Dimension Periodic metal medium nanometer grating period of first pixel subelement is 0.22~0.26 μm, medium level
It is 0.08~0.12 μm, the metal height being set on medium is 0.06~0.08 μm, and grating duty ratio is 0.6~0.7.
The One Dimension Periodic metal medium nanometer grating period of second pixel subelement is 0.29~0.33 μm, medium level
It is 0.08~0.12 μm, the metal height being set on medium is 0.06~0.08 μm, and grating duty ratio is 0.6~0.7.
The One Dimension Periodic metal medium nanometer grating period of three pixel subelements is 0.39~0.43 μm, and medium level is
0.08~0.12 μm, the metal height being set on medium is 0.06~0.08 μm, and grating duty ratio is 0.6~0.7.
Embodiment one
In the present embodiment, substrate 1 is glass/ITO, and the first transport layer 2 is the laminated construction of PEDOT:PSS and TAPC,
White-light organic light-emitting layer 3 is mCP:FIrpic and mCP:PO-01, and the second transport layer 4 is TPBi, and composite back electrode 5 is LiF/Al.
Device specific structure are as follows: ITO (150nm)/PEDOT:PSS (100nm)/TAPC (45nm)/mCP (19nm): FIrpic
(8wt%)/mCP:PO-01 (6wt%, 1nm)/TPBi (40nm)/LiF (0.1nm)/Al (100nm).
As shown in figure 3, the two-dimensional nanostructure center period is P4For 100nm, duty ratio 0.3, groove depth H3For 30nm.
Specific preparation process can be with Chinese invention patent (CN103219476A) disclosed in application reference people early period.First pixel subelement
The One Dimension Periodic metal medium nanometer grating period be P1It is 0.22 μm, the height H of medium ZnO1It is 0.08 μm, is set to Jie
Metallic aluminium height H on matter ZnO2It is 0.06 μm, grating duty ratio is 0.6；The One Dimension Periodic metal of second pixel subelement
The medium nanometer grating period is P2It is 0.29 μm, the height H of medium ZnO1It is 0.08 μm, the metallic aluminium being set on medium ZnO is high
Spend H2It is 0.06 μm, grating duty ratio is 0.6；The One Dimension Periodic metal medium nanometer grating period of third pixel subelement is
P3It is 0.40 μm, the height H of medium ZnO1It is 0.08 μm, the metallic aluminium height H being set on medium ZnO2It is 0.06 μm, grating
Duty ratio is 0.6；
As shown in Figure 4 and Figure 5, by the TM of testing example white light OLED device transmission and by after spectral normalization,
From fig. 5, it can be seen that the first pixel subelement, the second pixel subelement and third pixel subelement are by the white of white light OLED device
Color natural light is converted into three pixel linearly polarized lights of blue, green and red, and colour element wave crest is located at 395nm, 520nm and
620nm.Go out luminous intensity by characterizing TE wave, obtains polarization of the first pixel subelement in 0.35 μm~0.50 μ m of wavelength
Extinction ratio is 52.4dB, and polarization extinction ratio of the second pixel subelement in 0.45~0.57 μ m of wavelength is 58.2dB, the
Three pixel subelements polarization extinction ratio in 0.6~0.7 μ m of wavelength is 54.4dB.
Embodiment two
In the present embodiment, substrate 1 is polyethylene terephthalate (PET)/ITO, and the first transport layer 2 is PEDOT:
The laminated construction of PSS, TAPC and TCTA, white-light organic light-emitting layer 3 are mCP:FIrpic and mCP:PO-01, and the second transport layer 4 is
TmPyPB, composite back electrode 5 are LiF/Al.Device specific structure are as follows: ITO (150nm)/PEDOT:PSS (100nm)/TAPC
(the 8wt%)/mCP:PO-01 (6wt%, 1nm) of (45nm)/TCTA (5nm)/mCP (19nm): FIrpic/TmPyPB (25nm)/
LiF(0.1nm)/Al(100nm)。
As shown in figure 3, the two-dimensional nanostructure center period is P4For 250nm, duty ratio 0.7, groove depth H3For 60nm.
The One Dimension Periodic metal medium nanometer grating period of first pixel subelement is P1It is 0.25 μm, medium MoO3Height H1For
0.12 μm, it is set to medium MoO3On metallic aluminium height H2It is 0.08 μm, grating duty ratio is 0.7；Second pixel subelement
The One Dimension Periodic metal medium nanometer grating period is P2It is 0.33 μm, medium MoO3Height H1It is 0.12 μm, is set to medium
MoO3On metallic aluminium height H2It is 0.08 μm, grating duty ratio is 0.7；The One Dimension Periodic metal of third pixel subelement is situated between
The matter nanometer grating period is P3It is 0.43 μm, medium MoO3Height H1It is 0.12 μm, is set to medium MoO3On metallic aluminium it is high
Spend H2It is 0.08 μm, grating duty ratio is 0.7.As shown in fig. 6, transmitted by the TM of testing example white light OLED device and incite somebody to action
After spectral normalization, it can be seen that the first pixel subelement, the second pixel subelement and third pixel subelement are by white light
The white natural light of OLED device is converted into blue (inclined indigo color), green (inclined yellow) and red three colour element linearly polarized lights.First
Polarization extinction ratio of the pixel subelement in 0.4~0.55 μ m of wavelength is 46.1dB, and the second pixel subelement is in wavelength
Polarization extinction ratio in 0.50~0.65 μ m is 52.6dB, and third pixel subelement is in 0.65~0.7 μ m of wavelength
Polarization extinction ratio is 47.3dB.
Embodiment three
In the present embodiment, it is used in the identical white light OLED device architecture of embodiment two.Two-dimensional nanostructure center week
Phase is P4For 230nm, duty ratio 0.5, groove depth H3For 40nm.The One Dimension Periodic metal medium of first pixel subelement is received
Rice screen periods are P1It is 0.24 μm, the height H of medium ZnO1It is 0.09 μm, the metallic aluminium height H being set on medium ZnO2For
0.7 μm, grating duty ratio is 0.62；The One Dimension Periodic metal medium nanometer grating period of second pixel subelement is P2For
0.31 μm, the height H of medium ZnO1It is 0.08 μm, the metallic aluminium height H being set on medium ZnO2It is 0.07 μm, grating duty
Than being 0.65；The One Dimension Periodic metal medium nanometer grating period of third pixel subelement is P3It is 0.41 μm, medium MoO3's
Height H1It is 0.07 μm, the metallic aluminium height H being set on medium ZnO2It is 0.07 μm, grating duty ratio is 0.6.Such as Fig. 7 institute
Show, pass through the TM of testing example white light OLED device transmission and will be after spectral normalization, it can be seen that the first pixel is single
Member, the second pixel subelement and third pixel subelement by the white natural light of white light OLED device be converted into blue (inclined purple),
Green and red (partially orange) three colour element linearly polarized lights.Polarization of the first pixel subelement in 0.3~0.5 μ m of wavelength
Extinction ratio is 50.6dB, and polarization extinction ratio of the second pixel subelement in 0.45~0.6 μ m of wavelength is 45.4dB, third
Pixel subelement polarization extinction ratio in 0.58~0.7 μ m of wavelength is 49.5dB.
Claims (8)
1. a kind of colour element linear polarization goes out light Organic Light Emitting Diode, it is characterised in that: including what is from top to bottom set gradually
Substrate (1), the first transport layer (2), white-light organic light-emitting layer (3), the second transport layer (4) and composite back electrode (5), described
Two-dimensional nano is respectively provided in first transport layer (2), white-light organic light-emitting layer (3), the second transport layer (4) and composite back electrode (5)
Structure, the two-dimensional nanostructure central cross-section are ellipse, and the period is 100~250nm, and duty ratio is 0.3~0.7, groove depth
For 30~60nm；Pixel unit (6) are set in the upper surface of the substrate (1), pixel unit (6) includes that the first pixel is single
Member, the second pixel subelement and third pixel subelement, the first pixel subelement, the second pixel subelement and third picture
Sub-prime unit realizes blue, green, red three wave bands multi-color cord polarized light respectively.
2. a kind of colour element linear polarization according to claim 1 goes out light Organic Light Emitting Diode, it is characterised in that: described
The laminated construction that first transport layer (2) is made of one or more of materials, the material be selected from PEDOT:PSS, NPB, TCTA,
TmPyPB, molybdenum trioxide, titanium dioxide, nickel oxide and zinc oxide.
3. a kind of colour element linear polarization according to claim 1 goes out light Organic Light Emitting Diode, it is characterised in that: described
White-light organic light-emitting layer (3) be that two kinds of doping are composed, one is selected from one or both of mCP, CBP and BCP
Doping, the second is being selected from PO-01, Ir (ppy)3、Ir(MDQ)2(acac), FIrpic and Ir (ppy)2One of (acac) or
Several species complexities.
4. a kind of colour element linear polarization according to claim 1 goes out light Organic Light Emitting Diode, it is characterised in that: described
The laminated construction that second transport layer (4) is made of one or more of materials, the material are selected from Alq3、NPB、TPD、Bphen、
The combination of one or more of TPD, CuPc, TPBi and F4TCNQ.
5. a kind of colour element linear polarization according to claim 1 goes out light Organic Light Emitting Diode, it is characterised in that: described
The first pixel subelement, the second pixel subelement and third pixel subelement received respectively by One Dimension Periodic metal medium
Rice grating composition；In the One Dimension Periodic metal medium nanometer grating, metal is aluminium, and medium is zinc oxide or three oxidations
Molybdenum.
6. a kind of colour element linear polarization according to claim 5 goes out light Organic Light Emitting Diode, it is characterised in that: described
The first pixel subelement the One Dimension Periodic metal medium nanometer grating period be 0.22~0.26 μm, medium level 0.08
~0.12 μm, the metal height being set on medium is 0.06~0.08 μm, and grating duty ratio is 0.6~0.7.
7. a kind of colour element linear polarization according to claim 5 goes out light Organic Light Emitting Diode, it is characterised in that: described
The second pixel subelement the One Dimension Periodic metal medium nanometer grating period be 0.29~0.33 μm, medium level 0.08
~0.12 μm, the metal height being set on medium is 0.06~0.08 μm, and grating duty ratio is 0.6~0.7.
8. a kind of colour element linear polarization according to claim 5 goes out light Organic Light Emitting Diode, it is characterised in that: described
Third pixel subelement the One Dimension Periodic metal medium nanometer grating period be 0.39~0.43 μm, medium level 0.08
~0.12 μm, the metal height being set on medium is 0.06~0.08 μm, and grating duty ratio is 0.6~0.7.
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