CN106249484A - Display device - Google Patents
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- CN106249484A CN106249484A CN201510887348.1A CN201510887348A CN106249484A CN 106249484 A CN106249484 A CN 106249484A CN 201510887348 A CN201510887348 A CN 201510887348A CN 106249484 A CN106249484 A CN 106249484A
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- Prior art keywords
- display device
- application type
- layer
- phase difference
- liquid crystal
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- 239000000463 material Substances 0.000 claims abstract description 60
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 53
- 238000005191 phase separation Methods 0.000 claims description 66
- 239000000758 substrate Substances 0.000 claims description 21
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- -1 polyethylene terephthalate Polymers 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims 3
- 239000011248 coating agent Substances 0.000 abstract description 17
- 238000000576 coating method Methods 0.000 abstract description 17
- 239000010410 layer Substances 0.000 description 139
- 239000000975 dye Substances 0.000 description 41
- 230000000694 effects Effects 0.000 description 21
- 238000002834 transmittance Methods 0.000 description 12
- 239000011247 coating layer Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 7
- 239000004372 Polyvinyl alcohol Substances 0.000 description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 description 6
- 230000010287 polarization Effects 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 239000000987 azo dye Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- BAZVSMNPJJMILC-UHFFFAOYSA-N triadimenol Chemical compound C1=NC=NN1C(C(O)C(C)(C)C)OC1=CC=C(Cl)C=C1 BAZVSMNPJJMILC-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 1
- 229940006461 iodide ion Drugs 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- 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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3083—Birefringent or phase retarding elements
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Abstract
A display device. The display device comprises a display panel and a coating type phase difference layer, wherein the coating type phase difference layer is arranged on the display panel. The coating type phase difference layer comprises a liquid crystal material layer and a photosensitive material, and the photosensitive material is mixed in the liquid crystal material layer. The coating type phase difference layer is provided with a first phase difference region and a second phase difference region, and the first phase difference region and the second phase difference region have different phase differences.
Description
Technical field
The present invention relates to a kind of display device, particularly to a kind of Thinned with good optical display effect
Display device.
Background technology
The most traditional Polarizer is polyvinyl alcohol (PVA) material using and having draftability, collocation absorption iodine
After ion, then the stretching via blooming so that it is there is the character of Absorption of linearly polarized light axle, and there is line
The effect of polarisation.But the drawing effect of this kind of Polarizer is comprehensive unicity, therefore causes display floater
Overall optical effect is the best.
Summary of the invention
It is an object of the invention to, for the drawbacks described above of prior art, it is provided that a kind of display device.Permissible
Make display surface all have uniform brightness in omnibearing side-looking angle, and reach the optical appearance in each region
Uniform effect.
An embodiment according to present invention, proposes a kind of display device.Display device includes a display surface
Plate and an application type phase separation layer, application type phase separation layer is arranged on display floater.Application type phase contrast
Layer includes a liquid crystal material layer and a photosensitive material, and photosensitive material is mixed in liquid crystal material layer.Coating
Type phase separation layer has a first phase difference district and a second phase difference district, first phase difference district and second phase
It is poor that difference district has out of phase.
Effect of the present invention is, the photosensitive material of the present invention is mixed in liquid crystal material layer and forms coating
Type phase separation layer, it is poor that the zones of different of application type phase separation layer has out of phase, the painting of this regional coating
The setting of cloth type phase separation layer so that display surface all has uniform brightness in omnibearing side-looking angle,
And the uniform effect of optical appearance reaching each region.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as to the present invention's
Limit.
Accompanying drawing explanation
Fig. 1 illustrates the cross-sectional schematic of the display device of the embodiment according to present invention；
Fig. 2 A illustrates the schematic diagram of the application type polarizing layer of the embodiment according to present invention；
Fig. 2 B illustrates the schematic diagram of the application type polarizing layer of another embodiment according to present invention；
Fig. 2 C illustrates the chromaticity coordinates figure of the embodiment according to present invention；
Fig. 2 D illustrates the light shield for making application type polarizing layer of the embodiment according to present invention
Schematic diagram；
Fig. 3 illustrates the cross-sectional schematic of the display device of another embodiment according to present invention；
Fig. 4 A illustrates the cross-sectional schematic of the display device of the another embodiment according to present invention；
Fig. 4 B illustrates the cross-sectional schematic of the display device of the yet another embodiment according to present invention；
Fig. 5 illustrates the cross-sectional schematic of the display device of the another embodiment according to present invention；
Fig. 6 illustrates the schematic diagram of the application type phase separation layer of the embodiment according to present invention；
Fig. 7 A～Fig. 7 B illustrates the reflection visual angle luminance graph of the embodiment according to present invention；
Fig. 8 illustrates the cross-sectional schematic of the display device of more one embodiment according to present invention；
Fig. 9 illustrates the cross-sectional schematic of the display device of the more another embodiment according to present invention.
Wherein, reference
10,20,30,40,50,80,90: display device
100: display floater
200,200A, 200B: application type polarizing layer
210: first area
210a: the first orientation angle
220: second area
220a: the second orientation angle
230: the three regions
230a: the three orientation angle
240: liquid crystal material
300: glue-line
400: substrate
500: phase separation layer
600: application type phase separation layer
610: first phase difference district
610a, 620a: orientation angle
620: second phase difference district
700: polarizing layer
L: ultraviolet light
M: light shield
Detailed description of the invention
In the embodiment of present invention, photosensitive material is mixed in liquid crystal material layer and forms application type phase
Potential difference layer, it is poor that the zones of different of application type phase separation layer has out of phase, the application type of this regional coating
The setting of phase separation layer is so that display surface all has uniform brightness in omnibearing side-looking angle, and reaches
The uniform effect of optical appearance to each region.What embodiment was proposed consist of illustration is used, not
The scope to be protected present invention does limit.Tool usually intellectual is when implementing aspect according to reality
Need those compositions are modified or changed.
Fig. 1 illustrates the cross-sectional schematic of the display device 10 of the embodiment according to present invention.Such as figure
Shown in 1, display device 10 includes display floater 100 and an application type polarizing layer 200, and application type is inclined
Photosphere 200 is arranged on display floater 100.
In embodiment, display floater 100 has one first pixel region, one second pixel region and one the 3rd pixel
District, includes red pixel, green pixel and blue pixel the most respectively.In embodiment, application type polarizing layer
200 include a liquid crystal material layer, a dye materials and a photosensitive material, dye materials and photosensitive material
It is mixed in liquid crystal material layer, say, that the e.g. light orientation of the application type polarizing layer 200 of embodiment
Liquid crystal coating layer, and different dye materials can absorb the light with different wavelength range, therefore can have
There is polarization effect.In one embodiment, the thickness e.g. 1 of the application type polarizing layer 200 of liquid crystal coating layer～
50 microns (μm).In another embodiment, the thickness e.g. 1 of the application type polarizing layer 200 of liquid crystal coating layer～
5 microns, therefore can reach the slimming effect of the application type polarizing layer 200 of display device.
In embodiment as shown in Figure 1, application type polarizing layer 200 is e.g. directly coated at display floater
On 100.
Therefore, compared to the Polarizer of traditional polyvinyl alcohol (PVA) stretching collocation absorption iodide ion, because
The three-decker Polarizer of polyvinyl alcohol film collocation two panels protective layer has the thickness of at least 10～40 microns,
According to the embodiment of present invention, the thickness minimum of the application type polarizing layer 200 of liquid crystal coating layer can be only
It is 1～5 micron, therefore can reach the slimming of display device and light-weighted effect.
In embodiment, as a example by display floater 100 is as display panels, then the thickness of display device 10
System is for less than 300 microns.
In embodiment, application type polarizing layer 200 has a first area, a second area and one the 3rd region,
First area corresponds to the first pixel region, and second area corresponds to the second pixel region, and the 3rd region is corresponding to the
Three pixel regions.First area has a maximum light transmittance relative to the light with a first wave length scope, and second
Region has maximum light transmittance relative to the light with a second wave length scope, and the 3rd region is relative to having
The light of one wavelength range has maximum light transmittance.First wave length scope, second wave length scope and the 3rd
At least two of which of wave-length coverage is different.
In other words, the pattern in first area, second area and the 3rd region corresponding first pixel region, the second picture
Element district and the pattern of the 3rd pixel region.Referring to appended accompanying drawing by pixel region for saying as a example by strip pattern
Bright, but the pattern in three pixel regions and the first area of correspondence, second area and the 3rd region can be according to reality
Situation is selected, and is not limited with strip pattern.In one embodiment, above-mentioned first pixel region, the second picture
Element district and/or the 3rd pixel region are periodic arrangement.
As it is shown in figure 1, display device 10 can include at least one application type polarizing layer 200, this application type
Polarizing layer 200 is to be arranged on a surface of display floater 100.
In one embodiment, display device also can include two application type polarizing layer (not shown), these two paintings
Cloth type polarizing layer is respectively arranged on two apparent surfaces of display floater.
Fig. 2 A illustrates the schematic diagram of the application type polarizing layer of the embodiment according to present invention.Such as Fig. 2 A
Shown in, in an embodiment, the liquid crystal material layer of application type polarizing layer 200A includes multiple liquid crystal molecule, the
Liquid crystal molecule in one region 210 has one first orientation angle 210a, the liquid crystal in second area 220
Molecule has one second orientation angle 220a, and the liquid crystal molecule in the 3rd region 230 has one the 3rd orientation
Angle 230a, the first orientation angle 210a, the second orientation angle 220a and the 3rd orientation angle 230a
At least two of which is different.In one embodiment, first area 210, second area 220 and the 3rd region
Among 230, any two areas can be identical or different.In one embodiment, first area 210, second
Among region 220 and the 3rd region 230, any two shapes can be identical or different.For example, such as
In embodiment shown in Fig. 2 A, the first orientation angle 210a and the second orientation angle 220a are roughly the same,
And the 3rd orientation angle 230a and two other difference.In other embodiments, the first orientation angle 210a,
Second orientation angle 220a and the 3rd orientation angle 230a can also all differ.
In one embodiment, the first orientation angle 210a, the second orientation angle 220a and the 3rd orientation angle 230a
At least two of which differ such as ± 10 degree.
Specifically, in two polarizing layers of liquid crystal indicator, at least one of which uses present invention
The application type polarizing layer 200 of embodiment, then can adjust two differential seat angles absorbing axle with compartmentalization.Such as exist
Some region makes the differential seat angle absorbing axle of two polarizing layers be common 90 degree, and will inhale in some region
The differential seat angle receiving axle is adjusted to 90 ± 10 degree, and with compartmentalization ground optimization display effect, and can be able to reach
The effect of e.g. maximum light transmittance.
Fig. 2 B illustrates the schematic diagram of the application type polarizing layer of another embodiment according to present invention.Such as figure
Shown in 2B, in an embodiment, the dye materials in application type polarizing layer 200B can include one first dyestuff,
One second dyestuff and one the 3rd dyestuff, the first dyestuff is positioned in first area 210, the second dyestuff is positioned at second
In region 220, the 3rd dyestuff is positioned in the 3rd region 230.First dyestuff, the second dyestuff and the 3rd dyestuff
At least two of which different.In embodiment, two s' in the first dyestuff, the second dyestuff and the 3rd dyestuff
Type is identical, and the type of the third party is different from the type of another two.In other embodiments, the first dyestuff,
The type of the second dyestuff and the 3rd dyestuff the most all differs.In one embodiment, the first dyestuff,
Two dyestuffs and the 3rd dyestuff can be dichroic dye (Dichroic Dye) and/or azo dye (azo
Dyes), the material or for other being suitable for.
In one embodiment, the concentration of at least two of which of the first dyestuff, the second dyestuff and the 3rd dyestuff is such as
Can be different.In embodiment, the concentration of two in the first dyestuff, the second dyestuff and the 3rd dyestuff is identical,
And the concentration of the third party is different from the concentration of another two.In other embodiments, the first dyestuff, the second dyestuff
The most all differ with the concentration of the 3rd dyestuff.In some embodiments, the first dyestuff, the second dyestuff and
The type of the 3rd dyestuff and concentration can be done suitably collocation and adjust to reach so that first area 210 is relative
There is maximum light transmittance, second area 220 relative to having the second ripple in the light with first wave length scope
The light of long scope has maximum light transmittance and the 3rd region 230 relative to the light with wavelength range
There is maximum light transmittance.
Specifically, in two polarizing layers of liquid crystal indicator, one uses present invention at least within
The application type polarizing layer 200 of embodiment, then can utilize the type of dyestuff and/or concentration rangeization to adjust and take
The spectral range joined so that the wavelength model with maximum light transmittance in the region that each pixel region is corresponding
Enclose identical, and with compartmentalization ground optimization display effect, and the effect of overall maximum light transmittance can be reached
Really.
In embodiment as shown in Figure 2 B, the first orientation angle 210a, the second orientation angle 220a and
3rd orientation angle 230a can be identical or any two are different.For example, in the present embodiment, first joins
The most identical to angle 210a, the second orientation angle 220a and the 3rd orientation angle 230a.One
In embodiment, the first orientation angle 210a, the second orientation angle 220a and the 3rd orientation angle 230a can
Three all differs.In the embodiment as shown in Fig. 2 A～Fig. 2 B, the first pixel region, the second pixel region
And the 3rd at least any two of pixel region be periodic arrangement.
According to the embodiment of present invention, via adjust application type polarizing layer 200 first area 210,
Liquid crystal alignment angle, dye type and/or concentration in second area 220 and the 3rd region 230,
The chromaticity coordinates numerical range of light by regional can be adjusted further.In embodiment, first area,
Second area and the 3rd region are respectively relative to be had the light of first wave length scope, has second wave length scope
Light and there is the light of wavelength range there is maximum light transmittance, and first wave length scope, second wave length model
Enclose with wavelength range respectively corresponding one first chromaticity coordinates (x1, y1), one second chromaticity coordinates (x2,
Y2) and one tertiary color degree coordinate (x3, y3).First chromaticity coordinates (x1, y1), the second chromaticity coordinates (x2,
And at least two of which of tertiary color degree coordinate (x3, y3) is different y2).It is to say, the color of regional
Degree coordinate can be adjusted at least two each other for difference, it is also possible to be adjusted to three the most different.Real one
Executing in example, among first area 210, second area 220 and the 3rd region 230, any two areas can be
Identical or different.In one embodiment, first area 210, second area 220 and the 3rd region 230 it
In, any two shapes can be identical or different.
Fig. 2 C illustrates the chromaticity coordinates figure of the embodiment according to present invention.In one embodiment, such as figure
Shown in 2C, via adjusting the first area 210 of application type polarizing layer 200, second area 220 and the 3rd district
Liquid crystal alignment angle, dye type and/or concentration in territory 230, can make the colourity of regional
Coordinate values red shift or blue shift.For example, the first chromaticity coordinates (x1, y1), the second chromaticity coordinates (x2,
Y2) and tertiary color degree coordinate (x3, y3) any two difference (Δ x, Δ y) can e.g. (± 0.1,
±0.1).Owing to these a little differences can regionally adjust change, display device therefore can be made to have entirety
The design optimization of colourity.
Fig. 2 D illustrates the light shield for making application type polarizing layer of the embodiment according to present invention
Schematic diagram.As shown in Figure 2 D, after coating of liquid crystalline material 240, utilize irradiating ultraviolet light L and there is sense
The high molecular polymer orientation agent of light base, such as polyimides (polyimide:PI), arranges in pairs or groups light shield M's
Use, utilize light orientation (Photoalignment) mode, can accomplish zonal orientation, and formed right
Answer the first area of spacing (pixel region), second area and the 3rd region of the pixel of display floater, and for
Regional carries out the adjustment of orientation angle.In one embodiment, first area, second area and the 3rd district
Among territory, any two areas can be identical or different.In one embodiment, first area, second area with
Among 3rd region, any two shapes can be identical or different.
In sum, coating is utilized to be mixed with dye materials and the liquid crystal material layer of photosensitive material and make
Application type polarizing layer 200, has and makes its thickness reach thinning and the light-weighted effect of single unit system；Furthermore,
And utilize different dyestuffs to have the characteristic of different absorption spectrum, the absorption spectrum of various display device can be coordinated
Demand and adjust type and/or the concentration of dyestuff, and the aobvious of the global optimization colourity of display device can be reached
Show the target of effect.
Fig. 3 illustrates the cross-sectional schematic of the display device of another embodiment according to present invention.This enforcement
In example, element same or analogous with previous embodiment continues to use same or like element numbers, and identical or phase
Refer to aforementioned like the related description of element, do not repeat them here.
As it is shown on figure 3, display device 20 further includes a substrate 400, application type polarizing layer 200 is coated
In substrate 400.In embodiment, substrate 400 such as can include a Triafol T layer (TAC), one gather
Methyl methacrylate layer (PMMA), a cyclic olefin polymer layer (COP), a polyethylene terephthalate
(PET), at least one of a plastic substrate and a soft glass.
Furthermore, as it is shown on figure 3, display device 20 further includes a glue-line 300, application type polarizing layer 200
Fit on display floater 100 via glue-line 300.Glue-line 300 e.g. pressure-sensing glue (PSA).Furthermore,
Display device 20 can include 400, two glue-lines 300 of two substrates and two application type polarizing layers 200, this
Two groups of substrates 400, application type polarizing layer 200 and glue-line 300 are respectively arranged at two of display floater 100
On apparent surface.
Fig. 4 A illustrates the cross-sectional schematic of the display device of the another embodiment according to present invention, Fig. 4 B
Illustrate the cross-sectional schematic of the display device of the yet another embodiment according to present invention.In the present embodiment with
The same or analogous element of previous embodiment continues to use same or like element numbers, and same or similar element
Related description refer to aforementioned, do not repeat them here.
As shown in Figure 4 A, in display device 30, a display floater 100 e.g. Organic Light Emitting Diode shows
Showing that panel, display device 30 further include a phase separation layer 500, phase separation layer 500 is arranged at display floater
Between 100 and polarizing layer 200.In embodiment, the thickness of display device 30 is e.g. less than 100 microns.
In the present embodiment, the rotatory polarization layer of phase separation layer 500 e.g. 1/4 λ or 3/4 λ.In one embodiment,
Phase separation layer 500 can act also as the coating substrate of application type polarizing layer 200.In one embodiment, phase contrast
Layer 500 can fit on display floater 100 by glue-line 300.
As shown in Figure 4 B, in display device 40, a display floater 100 e.g. Organic Light Emitting Diode shows
Show that panel, display device 40 further include a phase separation layer 500 and fit in display floater 100 by glue-line 300
On.Afterwards, again by another glue-line 300 after application type polarizing layer 200 is formed on a substrate 400
Fit on phase separation layer 500.In embodiment, the thickness of display device 40 is e.g. micro-less than 100
Rice.In the present embodiment, the rotatory polarization layer of phase separation layer 500 e.g. 1/4 λ or 3/4 λ.
Fig. 5 illustrates the cross-sectional schematic of the display device of the another embodiment according to present invention.This enforcement
In example, element same or analogous with previous embodiment continues to use same or like element numbers, and identical or phase
Refer to aforementioned like the related description of element, do not repeat them here.
As it is shown in figure 5, display device 50 e.g. organic LED display device, display floater 100
E.g. organic LED display panel.Organic LED display device (display device 50) wraps
Include an organic LED display panel (display floater 100) and an application type phase separation layer 600, be coated with
Cloth type phase separation layer 600 is arranged on organic LED display panel.Application type phase separation layer 600
Including a liquid crystal material layer and a photosensitive material, photosensitive material is mixed in liquid crystal material layer.Application type
Phase separation layer 600 has a first phase difference district and a second phase difference district, first phase difference district and the second phase
It is poor that potential difference district has out of phase.Application type phase separation layer 600 e.g. rotatory polarization layer, have 1/4 λ or
The Phase delay of 3/4 λ.
In one embodiment, as it is shown in figure 5, display device 50 more can include a polarizing layer 700, polarisation
Layer 700 is arranged on application type phase separation layer 600.In the present embodiment, polarizing layer 700 is selected from a biography
System light polarizing film layer, e.g. one polyvinyl alcohol film.
Fig. 6 illustrates the schematic diagram of the application type phase separation layer of the embodiment according to present invention.This enforcement
In example, element same or analogous with previous embodiment continues to use same or like element numbers, and identical or phase
Refer to aforementioned like the related description of element, do not repeat them here.
As shown in Figure 6, application type phase separation layer 600 has first phase difference district 610 and second phase difference district
620, it is poor that first phase difference district 610 and second phase difference district 620 have out of phase.
In one embodiment, the liquid crystal material layer of application type phase separation layer 600 includes multiple liquid crystal molecule, first
Liquid crystal molecule in phase contrast district 610 and the liquid crystal molecule in second phase difference district 620 have different orientations
Angle.As shown in Figure 6, the liquid crystal molecule in first phase difference district 610 has orientation angle 610a,
Liquid crystal molecule in second phase difference district 620 has orientation angle 620a, and orientation angle 610a and orientation
Angle 620a is different.In embodiment, all liquid crystal molecules in single area have identical orientation angle
Degree.
In another embodiment, in liquid crystal molecule in first phase difference district 610 and second phase difference district 620
Liquid crystal molecule also can have different material types.
In some embodiments, in liquid crystal molecule in first phase difference district 610 and second phase difference district 620
Liquid crystal molecule can have identical orientation angle and have different materials type, or has different alignment angle
And there is identical material type, can also have diverse orientation angle and material type.
In some embodiments, application type phase separation layer 600 more can include a substrate (not being illustrated in figure), liquid
Brilliant material layer is coated in substrate to form application type phase separation layer 600.In embodiment, substrate such as can be wrapped
Include a Triafol T layer (TAC), a polymethyl methacrylate layers (PMMA), a cyclic olefin polymer
Layer (COP), a polyethylene terephthalate (PET), a plastic substrate and a soft glass are at least within
One of.
In some embodiments, the material of application type phase separation layer 600 can also first be coated on a support plate, material
Form application type phase separation layer 600 after material solidification, then support plate removed from application type phase separation layer 600,
The application type phase separation layer 600 the most without any carrier plate material just can conform to display floater 100
On.
In some embodiments, the material of application type phase separation layer 600 can also directly be applied to display floater
On 100, then just form application type phase separation layer 600 on display floater 100 after material solidification.
In embodiment, application type phase separation layer 600 includes liquid crystal material layer and photosensitive material, and photonasty
Material mixing is in liquid crystal material layer, say, that the application type phase separation layer 600 e.g. light of embodiment
The liquid crystal coating layer of orientation.In one embodiment, the thickness example of the application type phase separation layer 600 of liquid crystal coating layer
1～50 micron in this way.In another embodiment, the thickness example of the application type phase separation layer 600 of liquid crystal coating layer
1～5 micron in this way.
In embodiment, display device 50 e.g. organic LED display device, it is provided with application type
The thickness of the organic LED display device (display device 50) of phase separation layer 600 is e.g. less than 100
Micron.
In embodiment as shown in Figure 6, the first phase difference district 610 and second of application type phase separation layer 600
Phase contrast district 620 has strip pattern.In some other embodiments, first phase difference district 610 and second
Phase contrast district 620 can be respectively provided with strip pattern, circular pattern or irregular pattern.During actual application,
The pattern in first phase difference district 610 and second phase difference district 620 can optionally do suitably selection, not with aforementioned
Types of patterns is limited.In one embodiment, above-mentioned first phase difference district 610 and second phase difference district 620
For periodic arrangement.
In previous embodiment, application type phase separation layer 600 has two different phase contrast districts of phase contrast.Its
In his embodiment, further, application type phase separation layer 600 can have more than 3 and have out of phase
The phase contrast district of difference.During actual application, the number in the phase contrast district with out of phase difference also can be optionally
Do suitably selection, be not limited with aforesaid number.
Fig. 7 A～Fig. 7 B illustrates the reflection visual angle luminance graph of the embodiment according to present invention.Fig. 7 A paints
Show the mould of the organic LED display device of the application type phase separation layer 600 without regional coating
Intend result, and Fig. 7 B illustrates the organic light-emitting diodes of the application type phase separation layer 600 with regional coating
The analog result of tube display device.Its light transmittance of region representation that wherein network point distribution is the most intensive is the highest, net
Its luminous reflectance of region representation that some distribution is more evacuated is the lowest, and these two figures all show dark-state state.
As shown in Figure 7 A, when not there is the phase separation layer 500 of regional coating, upward angle of visibility (90 °) and under
The light line reflection in visual angle (270 °) direction is substantially strong than the light line reflection in side-looking angle (0 ° and 180 °) direction, therefore
There is higher luminous reflectance.But, when there is the application type phase separation layer 600 of regional coating, four
The illuminance distribution in individual visual angle (0 °, 90 °, 180 °, 270 °) direction is then substantially improved.Accordingly, according to
The embodiment of present invention, the arranging to reduce of the application type phase separation layer 600 of regional coating respectively regards
The uneven colour cast situation at angle so that omnibearing side-looking angle all has uniform brightness, and adjusts aobvious
Show the overall reflective brightness in face and reflect form and aspect and reach the uniform effect of optical appearance in each region.
Fig. 8 illustrates the cross-sectional schematic of the display device of more one embodiment according to present invention.This enforcement
In example, element same or analogous with previous embodiment continues to use same or like element numbers, and identical or phase
Refer to aforementioned like the related description of element, do not repeat them here.
As shown in Figure 8, display device 80 e.g. organic LED display device, display floater 100
E.g. organic LED display panel.Display device 80 include display floater 100, substrate 400,
Application type polarizing layer 200, application type phase separation layer 600 and glue-line 300.Application type polarizing layer 200 is coated with
In substrate 400, application type phase separation layer 600 fits on display floater 100 via glue-line 300, is coated with
Cloth type polarizing layer 200 and substrate 400 conform on application type phase separation layer 600 via another glue-line 300.
Application type phase separation layer 600 is arranged between display floater 100 and application type polarizing layer 200.Implement one
In example, above-mentioned substrate 400 also can remove it after laminating.
In embodiment shown in Fig. 8, application type phase separation layer 600 has first phase difference district and second phase
Difference district, and to have out of phase poor first phase difference district and second phase difference district.Further, application type polarizing layer
200 have a first area, a second area and one the 3rd region, correspond respectively to Organic Light Emitting Diode
First pixel region of display floater, the second pixel region and the 3rd pixel region, first area, second area and
Three regions are respectively relative to be had the light of first wave length scope, has the light of second wave length scope and have the 3rd
The light of wave-length coverage has maximum light transmittance, first wave length scope, second wave length scope and the 3rd wavelength model
At least two of which enclosed is different.
Fig. 9 illustrates the cross-sectional schematic of the display device of the more another embodiment according to present invention.This reality
Execute element same or analogous with previous embodiment in example and continue to use same or like element numbers, and identical or
The related description of similar components refer to aforementioned, does not repeats them here.
As it is shown in figure 9, display device 90 e.g. organic LED display device, display floater 100
E.g. organic LED display panel.Display device 90 includes that display floater 100, application type are inclined
Photosphere 200, application type phase separation layer 600 and glue-line 300.Application type phase separation layer 600 is via glue-line 300
Fitting on display floater 100, application type polarizing layer 200 is directly coated with or fits in application type phase separation layer
On 600.Application type phase separation layer 600 is arranged between display floater 100 and application type polarizing layer 200.
In sum, it is mixed in liquid crystal according to the embodiment of present invention, dye materials and photosensitive material
Material layer and form application type polarizing layer, the zones of different of application type polarizing layer is corresponding to the difference of display floater
Pixel region can absorb the light with different wavelength range, the most not only has good polarization effect, and application type is inclined
The regionalization design of photosphere more can provide optics display effect evenly, and the application type of liquid crystal coating layer
Polarizing layer more can reach the slimming effect of display device.Furthermore, photosensitive material is mixed in liquid crystal material
Forming application type phase separation layer in Ceng, it is poor that the zones of different of application type phase separation layer has out of phase, this
The setting of the application type phase separation layer of regional coating so that display surface in omnibearing side-looking angle all
There is uniform brightness, and the uniform effect of optical appearance reaching each region.
Certainly, the present invention also can have other various embodiments, without departing substantially from present invention spirit and the feelings of essence thereof
Under condition, those of ordinary skill in the art work as can make various corresponding change and deformation according to the present invention, but
These change accordingly and deform the protection domain that all should belong to appended claims of the invention.
Claims (10)
1. a display device, it is characterised in that including:
One display floater；And
One application type phase separation layer, is arranged on this display floater, and this application type phase separation layer includes a liquid crystal
Material layer and a photosensitive material, this photosensitive material is mixed in this liquid crystal material layer；
Wherein this application type phase separation layer has a first phase difference district and a second phase difference district, this first phase
It is poor that potential difference district and this second phase difference district have out of phase.
Display device the most according to claim 1, it is characterised in that this liquid crystal material layer includes many
Those liquid in individual liquid crystal molecule, those liquid crystal molecules in this first phase difference district and this second phase difference district
Brilliant molecule has different orientation angles.
Display device the most according to claim 1, it is characterised in that this liquid crystal material layer includes many
Those liquid in individual liquid crystal molecule, those liquid crystal molecules in this first phase difference district and this second phase difference district
Brilliant molecule has different material types.
Display device the most according to claim 1, it is characterised in that this application type phase separation layer is more
Including a substrate, this liquid crystal material layer is coated in this substrate.
Display device the most according to claim 4, it is characterised in that this substrate includes that one or three acetic acid are fine
Dimension element layer, a polymethyl methacrylate layers, a cyclic olefin polymer layer, a polyethylene terephthalate,
At least one of one plastic substrate and a soft glass.
Display device the most according to claim 1, it is characterised in that this application type phase separation layer
Thickness is 1～50 micron.
Display device the most according to claim 1, it is characterised in that this display device is one organic
Light emitting display device, the thickness of this display device is less than 100 microns.
Display device the most according to claim 1, it is characterised in that this first phase difference district and should
Second phase difference district is respectively provided with at least one of strip pattern, circular pattern or irregular pattern, and
/ or this first phase difference district and this second phase difference district be periodic arrangement.
Display device the most according to claim 1, it is characterised in that further include:
One application type polarizing layer, is arranged on this application type phase separation layer.
Display device the most according to claim 9, it is characterised in that this display floater has one
One pixel region, one second pixel region and one the 3rd pixel region, this application type polarizing layer have a first area,
One second area and one the 3rd region, correspond respectively to this first pixel region, this second pixel region and the 3rd
Pixel region, this first area, this second area and the 3rd region are respectively relative to have a first wave length model
The light enclosed, the light with a second wave length scope and there is the light of a wavelength range there is maximum light penetrate
Rate, this first wave length scope, this second wave length scope are different with at least two of which of this wavelength range.
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| TW104118736A TWI542928B (en) | 2015-06-10 | 2015-06-10 | Display device |
| TW104118736 | 2015-06-10 |
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| WO2020171219A1 (en) * | 2019-02-22 | 2020-08-27 | 住友ベークライト株式会社 | Optical sheet and optical component |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI725553B (en) * | 2019-09-24 | 2021-04-21 | 友達光電股份有限公司 | Display device and method of manufacturing thereof |
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Also Published As
| Publication number | Publication date |
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| TW201643521A (en) | 2016-12-16 |
| TWI542928B (en) | 2016-07-21 |
| CN106249484B (en) | 2020-02-28 |
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