CN106249462B - Display device - Google Patents
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- CN106249462B CN106249462B CN201510895354.1A CN201510895354A CN106249462B CN 106249462 B CN106249462 B CN 106249462B CN 201510895354 A CN201510895354 A CN 201510895354A CN 106249462 B CN106249462 B CN 106249462B
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- dyestuff
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- 239000000463 material Substances 0.000 claims abstract description 68
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 53
- 238000002834 transmittance Methods 0.000 claims abstract description 14
- 239000000975 dye Substances 0.000 claims description 60
- 238000005191 phase separation Methods 0.000 claims description 51
- 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
- 230000000737 periodic effect Effects 0.000 claims description 4
- -1 polyethylene terephthalate Polymers 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 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 claims description 3
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims 2
- 239000011248 coating agent Substances 0.000 abstract description 13
- 238000000576 coating method Methods 0.000 abstract description 13
- 230000010287 polarization Effects 0.000 abstract description 8
- 239000010410 layer Substances 0.000 description 143
- 230000000694 effects Effects 0.000 description 25
- 239000011247 coating layer Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 4
- 239000004926 polymethyl methacrylate Substances 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 230000007261 regionalization Effects 0.000 description 3
- 238000000862 absorption spectrum Methods 0.000 description 2
- 239000000987 azo dye Substances 0.000 description 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 2
- 229940006461 iodide ion Drugs 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 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
- 150000002466 imines Chemical class 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000000126 substance Substances 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
- G02F1/133528—Polarisers
-
- 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
- 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
- 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 comprises a display panel and a coating type polarizing layer, wherein the coating type polarizing layer is arranged on the display panel. The display panel is provided with a first pixel area, a second pixel area and a third pixel area. The coating type polarization layer comprises a liquid crystal material layer, a dye material and a photosensitive material, wherein the dye material and the photosensitive material are mixed in the liquid crystal material layer. The coating type polarizing layer is provided with a first area, a second area and a third area which respectively correspond to the first pixel area, the second pixel area and the third pixel area, the first area, the second area and the third area respectively have the maximum light transmittance relative to light with a first wavelength range, light with a second wavelength range and light with a third wavelength range, and at least two of the first wavelength range, the second wavelength range and the third wavelength range are different.
Description
Technical field
The present invention relates to a kind of display device, especially a kind of Thinned with good optical display effect shows dress
It sets.
Background technique
General traditional polarizer be using polyvinyl alcohol (PVA) material with draftability, collocation absorption iodide ion it
Afterwards, then via optical film stretching, make it have the property of Absorption of linearly polarized light axis, and have the effect of line polarisation.However this
The drawing effect of kind polarizer is comprehensive unicity, therefore causes the whole optical effect of display panel bad.
Summary of the invention
It is a kind of with good optical the technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide
The Thinned display device of display effect.
To achieve the goals above, the present invention provides a kind of display devices.Display device include a display panel and
One application type polarizing layer, application type polarizing layer are set on display panel.Display panel has one first pixel region, one second picture
Plain area and a third pixel region.Application type polarizing layer includes a liquid crystal material layer, a dye materials and a photosensitive material, dyestuff
Material and photosensitive material are mixed in liquid crystal material layer.Application type polarizing layer has a first area, a second area and one
Third region corresponds respectively to the first pixel region, the second pixel region and third pixel region, first area, second area and third
Region is respectively relative to the light with a first wavelength range, the light with a second wave length range and has a third wavelength model
The light enclosed has maximum light transmittance, at least two of which of first wavelength range, second wave length range and third wavelength range
It is different.
The technical effects of the invention are that:
Dye materials and photosensitive material of the invention are mixed in liquid crystal material layer and form application type polarizing layer, application type
The different zones of polarizing layer correspond to the absorbable light with different wavelength range in different pixels area of display panel, therefore not only
With good polarization effect, the regionalization design of application type polarizing layer can also provide optics display effect more evenly, and liquid
The application type polarizing layer of brilliant coating layer may also reach up the slimming effect of display device.Below in conjunction with the drawings and specific embodiments
The present invention will be described in detail, but not as a limitation of the invention.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section according to the display device of one embodiment of the invention；
Fig. 2A is the schematic diagram according to the application type polarizing layer of one embodiment of the invention；
Fig. 2 B is the schematic diagram according to the application type polarizing layer of another embodiment of the present invention；
Fig. 2 C is the chromaticity coordinate figure according to one embodiment of the invention；
Fig. 2 D is the schematic diagram according to the light shield for making application type polarizing layer of one embodiment of the invention；
Fig. 3 is the diagrammatic cross-section according to the display device of another embodiment of the present invention；
Fig. 4 A is the diagrammatic cross-section according to the display device of yet another embodiment of the invention；
Fig. 4 B is the diagrammatic cross-section according to the display device of yet another embodiment of the present invention；
Fig. 5 is the diagrammatic cross-section according to the display device of further embodiment of this invention；
Fig. 6 is the schematic diagram according to the application type phase separation layer of one embodiment of the invention；
Fig. 7 A~7B is the reflection visual angle luminance graph according to the embodiment of the present invention；
Fig. 8 is the diagrammatic cross-section according to the display device of another embodiment of the present invention；
Fig. 9 is the diagrammatic cross-section according to the display device of further embodiment of this invention.
Wherein, appended drawing reference
10,20,30,40,50,80,90 display device
100 display panels
200,200A, 200B application type polarizing layer
210 first areas
210a the first orientation angle
220 second areas
220a the second orientation angle
230 third regions
230a third orientation angle
240 liquid crystal materials
300 glue-lines
400 substrates
500 phase separation layers
600 application type phase separation layers
610 first phase difference areas
610a, 620a orientation angle
620 second phase difference areas
700 polarizing layers
L ultraviolet light
M light shield
Specific embodiment
Structural principle and working principle of the invention are described in detail with reference to the accompanying drawing:
In the embodiment of the present invention, dye materials and photosensitive material are mixed in liquid crystal material layer and form application type polarisation
Layer, the different pixels area that the different zones of application type polarizing layer correspond to display panel are can absorb with different wavelength range
Light, therefore not only there is good polarization effect, it is aobvious that the regionalization design of application type polarizing layer can also provide optics more evenly
Show effect, and the application type polarizing layer of liquid crystal coating layer may also reach up the slimming effect of display device.Embodiment is proposed
Group become illustrate use, not to the present invention range to be protected limit.Those skilled in the art work as can be according to reality
It needs that those compositions are modified or changed.
Fig. 1 is the diagrammatic cross-section according to the display device 10 of one embodiment of the invention.As shown in Figure 1, display device 10
It is set on display panel 100 including a display panel 100 and an application type polarizing layer 200, application type polarizing layer 200.
In embodiment, display panel 100 has one first pixel region, one second pixel region and a third pixel region, such as
Respectively include red pixel, green pixel and blue pixel.In embodiment, application type polarizing layer 200 include a liquid crystal material layer,
One dye materials and a photosensitive material, dye materials and photosensitive material are mixed in liquid crystal material layer, that is to say, that are implemented
The application type polarizing layer 200 of example is, for example, the liquid crystal coating layer of light orientation, and different dye materials can be absorbed with difference
The light of wave-length coverage, therefore can have polarization effect.In one embodiment, the thickness of the application type polarizing layer 200 of liquid crystal coating layer
Degree is, for example, 1~50 micron (μm).In another embodiment, the thickness of the application type polarizing layer 200 of liquid crystal coating layer is, for example, 1~
5 microns, therefore can achieve 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, for example, to be directly coated on display panel 100.
Therefore, the polarizer that collocation absorption iodide ion is stretched compared to traditional polyvinyl alcohol (PVA), because of polyvinyl alcohol
The three-decker polarizer of film collocation two panels protective layer has at least 10~40 microns of thickness, according to an embodiment of the invention,
The thickness minimum of the application type polarizing layer 200 of liquid crystal coating layer can be only 1~5 micron, therefore can achieve display device
Slimming and light-weighted effect.
In embodiment, by display panel 100 be liquid crystal display panel for, then display device 10 with a thickness of less than 300
Micron.
In embodiment, application type polarizing layer 200 has a first area, a second area and a third region, the firstth area
Domain corresponds to the first pixel region, and second area corresponds to the second pixel region, and third region corresponds to third pixel region.First area
There is maximum light transmittance relative to the light with a first wavelength range, second area is relative to a second wave length range
Light there is maximum light transmittance, third region has maximum light transmittance relative to the light with a third wavelength range.The
One wave-length coverage, second wave length range are different at least two of which of third wavelength range.
In other words, corresponding first pixel region of the pattern of first area, second area and third region, the second pixel region and
The pattern of third pixel region.Illustrate so that pixel region is strip pattern as an example referring to the drawings, but three pixel regions and its right
The pattern in first area, second area and the third region answered can be selected according to actual conditions, be not limited with strip pattern.?
In one embodiment, above-mentioned first pixel region, the second pixel region and/or third pixel region are periodic arrangement.
As shown in Figure 1, display device 10 may include at least one application type polarizing layer 200, this application type polarizing layer 200 is set
It is placed on a surface of display panel 100.
In one embodiment, display device also may include two application type polarizing layer (not shown), this two application types are inclined
Photosphere is respectively arranged on two apparent surfaces of display panel.
Fig. 2A is the schematic diagram according to the application type polarizing layer of one embodiment of the invention.As shown in Figure 2 A, in an embodiment,
The liquid crystal material layer of application type polarizing layer 200A includes multiple liquid crystal molecules, and the liquid crystal molecule in first area 210 has one the
One orientation angle 210a, the liquid crystal molecule in second area 220 have an one second orientation angle 220a, in third region 230
Liquid crystal molecule has a third orientation angle 230a, the first orientation angle 210a, the second orientation angle 220a and third orientation angle
At least two of which for spending 230a is different.In one embodiment, first area 210, second area 220 and third region 230 it
In, any two area can be identical or different.In one embodiment, first area 210, second area 220 and third region 230
Among, any two shape can be identical or different.For example, in embodiment as shown in Figure 2 A, the first orientation angle
210a and the second orientation angle 220a are roughly the same, and third orientation angle 230a and other two difference.In other embodiments
In, the first orientation angle 210a, the second orientation angle 220a and third orientation angle 230a can also be neither identical.
In one embodiment, the first orientation angle 210a, the second orientation angle 220a and third orientation angle 230a are at least
Two of them differ such as ± 10 degree.
Specifically, in two polarizing layers of liquid crystal display device at least one of which use the embodiment of the present invention painting
Cloth type polarizing layer 200 can adjust the differential seat angle of two absorption axiss then with compartmentalization.Such as two polarizing layers are enabled in some regions
The differential seat angle of absorption axiss is common 90 degree, and the differential seat angle of absorption axiss is adjusted to 90 ± 10 degree in some regions, and can be with
Display effect is optimized to compartmentalization, and can achieve the effect of e.g. maximum light transmittance.
Fig. 2 B is the schematic diagram according to the application type polarizing layer of another embodiment of the present invention.As shown in Figure 2 B, one implements
In example, the dye materials in application type polarizing layer 200B may include one first dyestuff, one second dyestuff and a third dyestuff, first
Dyestuff is located in first area 210, the second dyestuff is located in second area 220, and third dyestuff is located in third region 230.The
One dyestuff, the second dyestuff are different at least two of which of third dyestuff.In embodiment, the first dyestuff, the second dyestuff and third
Two types in dyestuff are identical, and the type of the third party is different from the type of another two.In other embodiments, the first dye
The type of material, the second dyestuff and third dyestuff is for example neither identical each other.In one embodiment, the first dyestuff, the second dyestuff and
Third dyestuff can be dichroic dye (Dichroic Dye) and/or azo dyes (azo dyes), or be other suitable materials
Material.
In one embodiment, the first dyestuff, the second dyestuff and third dyestuff the concentration of at least two of which for example may not be used
Together.In embodiment, two concentration in the first dyestuff, the second dyestuff and third dyestuff is identical, and the concentration of third is different
In the concentration of another two.In other embodiments, the concentration of the first dyestuff, the second dyestuff and third dyestuff such as neither phase each other
Together.In some embodiments, the first dyestuff, the type of the second dyestuff and third dyestuff and concentration can do appropriate collocation adjustment with
Reach so that first area 210 has maximum light transmittance, second area 220 opposite relative to the light with first wavelength range
In the light with second wave length range with maximum light transmittance and third region 230 is relative to third wavelength range
Light has maximum light transmittance.
Specifically, in two polarizing layers of liquid crystal display device at least one of which use the embodiment of the present invention painting
Cloth type polarizing layer 200 then can use the type of dyestuff and/or the spectral range of concentration rangeization adjustment collocation, so that each
The wave-length coverage for having maximum light transmittance in the corresponding region of pixel region is identical, and can with compartmentalization optimize display
Effect, and achieve the effect that whole maximum light transmittance.
In embodiment as shown in Figure 2 B, the first orientation angle 210a, the second orientation angle 220a and third orientation angle
Degree 230a can be identical or any two are different.For example, in the present embodiment, the first orientation angle 210a, the second orientation angle
220a and third orientation angle 230a are substantially all identical.In one embodiment, the first orientation angle 210a, the second orientation angle
220a and third orientation angle 230a can three it is neither identical.In the embodiment as shown in Fig. 2A~2B, the first pixel region,
Two pixel regions and third pixel region at least any two be periodic arrangement.
According to an embodiment of the invention, via the first area 210 of adjustment application type polarizing layer 200,220 and of second area
Liquid crystal alignment angle, dye type and/or concentration in third region 230, can further adjust and pass through each region
Light chromaticity coordinate numberical range.In embodiment, first area, second area and third region are respectively relative to have first
The light of wave-length coverage, the light with second wave length range and the light with third wavelength range have a maximum light transmittance, and the
One wave-length coverage, second wave length range and third wavelength range respectively correspond one first chromaticity coordinate (x1, y1), one second coloration
Coordinate (x2, y2) and a third chromaticity coordinate (x3, y3).First chromaticity coordinate (x1, y1), the second chromaticity coordinate (x2, y2) and
At least two of which of third chromaticity coordinate (x3, y3) is different.That is, the chromaticity coordinate of each region is adjustable for extremely
It is each other difference there are two few, also adjustable is that three is all different.In one embodiment, first area 210, second area
220 among third region 230, and any two area can be identical or different.In one embodiment, first area 210, the secondth area
Among domain 220 and third region 230, any two shape can be identical or different.
Fig. 2 C is the chromaticity coordinate figure according to one embodiment of the invention.In one embodiment, as shown in Figure 2 C, applied via adjustment
The first area 210 of cloth type polarizing layer 200, second area 220 and the liquid crystal alignment angle in third region 230, dyestuff
Type and/or concentration can make the chromaticity coordinate value red shift or blue shift of each region.For example, the first chromaticity coordinate (x1,
Y1), (Δ x, Δ y) may, for example, be any two difference of the second chromaticity coordinate (x2, y2) and third chromaticity coordinate (x3, y3)
(± 0.1, ± 0.1).Since these differences can regionally adjust change, it can make display device that there is whole coloration
Design optimization.
Fig. 2 D is the schematic diagram according to the light shield for making application type polarizing layer of one embodiment of the invention.Such as Fig. 2 D institute
Show, after coating of liquid crystalline material 240, utilizes irradiating ultraviolet light L and the high molecular polymer orientation agent with photosensitive base, such as polyamides
The use of imines (polyimide:PI), collocation light shield M can accomplish area in the way of light orientation (Photoalignment)
The orientation of domain property, and form first area, second area and the third area of the spacing (pixel region) of the pixel of corresponding display panel
Domain, and the adjustment of orientation angle is carried out for each region.In one embodiment, first area, second area and third region
Among, any two area can be identical or different.In one embodiment, among first area, second area and third region, appoint
Two shapes of anticipating can be identical or different.
In conclusion the application type for being mixed with the liquid crystal material layer of dye materials and photosensitive material using coating and making
Polarizing layer 200, having makes its thickness reach thinning and the light-weighted effect of single unit system；In addition, and having using different dyestuffs
There is the characteristic of different absorption spectrums, the absorption spectrum demand of various display devices can be cooperated and adjusts the type of dyestuff and/or dense
Degree, and the target of the display effect of the global optimization coloration of display device can be reached.
Fig. 3 is the diagrammatic cross-section according to the display device of another embodiment of the present invention.In the present embodiment with aforementioned implementation
Before the same or similar element of example continues to use same or like element numbers, and the related description of same or similar element please refers to
It states, details are not described herein.
As shown in figure 3, display device 20 further includes a substrate 400, application type polarizing layer 200 is coated in substrate 400.It is real
It applies in example, substrate 400 for example may include a Triafol T layer (TAC), a polymethyl methacrylate layers (PMMA), a ring
Olefin polymer layer (COP), a polyethylene terephthalate (PET), a plastic substrate and a soft glass are at least within
One of.
In addition, application type polarizing layer 200 is pasted via glue-line 300 as shown in figure 3, display device 20 further includes a glue-line 300
Together on display panel 100.Glue-line 300 is, for example, pressure-sensing glue (PSA).In addition, display device 20 may include two substrates 400,
Two glue-lines 300 and two application type polarizing layers 200, this two groups of substrates 400, application type polarizing layer 200 and glue-line 300 are set respectively
It is placed on two apparent surfaces of display panel 100.
Fig. 4 A is the diagrammatic cross-section according to the display device of yet another embodiment of the invention, Fig. 4 B be according to the present invention again again
The diagrammatic cross-section of the display device of one embodiment.It is continued to use equally in the present embodiment with the same or similar element of previous embodiment
Or similar element numbers, and the related description of same or similar element please refers to aforementioned, details are not described herein.
As shown in Figure 4 A, in display device 30, display panel 100 is, for example, an organic light emitting diode display panel, is shown
Showing device 30 further includes a phase separation layer 500, phase separation layer 500 be set to display panel 100 and application type polarizing layer 200 it
Between.In embodiment, the thickness of display device 30 is, for example, less than 100 microns.In the present embodiment, phase separation layer 500 is, for example, 1/4
The rotatory polarization layer of λ or 3/4 λ.In one embodiment, phase separation layer 500 can also be used as the coating substrate of application type polarizing layer 200.
In one embodiment, phase separation layer 500 can be fitted on display panel 100 by glue-line 300.
As shown in Figure 4 B, in display device 40, display panel 100 is, for example, an organic light emitting diode display panel, is shown
Showing device 40 further includes that a phase separation layer 500 is fitted on display panel 100 by glue-line 300.Later, application type polarizing layer
200 be formed on a substrate 400 after fitted on phase separation layer 500 by another glue-line 300 again.In embodiment, display
The thickness of device 40 is, for example, less than 100 microns.In the present embodiment, phase separation layer 500 is, for example, the rotatory polarization of 1/4 λ or 3/4 λ
Layer.
Fig. 5 is the diagrammatic cross-section according to the display device of further embodiment of this invention.In the present embodiment with aforementioned implementation
Before the same or similar element of example continues to use same or like element numbers, and the related description of same or similar element please refers to
It states, details are not described herein.
As shown in figure 5, display device 50 is, for example, organic LED display device, display panel 100 is, for example, to have
Machine LED display panel.Organic LED display device (display device 50) is aobvious including an Organic Light Emitting Diode
Show that panel (display panel 100) and an application type phase separation layer 600, application type phase separation layer 600 are set to organic light emission two
On pole pipe display panel.Application type phase separation layer 600 includes a liquid crystal material layer and a photosensitive material, photosensitive material mixing
In liquid crystal material layer.Application type phase separation layer 600 has a first phase difference area and a second phase difference area, first phase difference
Area and second phase difference area have out of phase poor.Application type phase separation layer 600 is, for example, rotatory polarization layer, has 1/4 λ or 3/4 λ
Phase delay.
In one embodiment, as shown in figure 5, display device 50 may also include a polarizing layer 700, polarizing layer 700 is set to
On application type phase separation layer 600.In the present embodiment, polarizing layer 700 be can be selected from a traditional polarisation film layer, e.g. a polyethylene
Alcohol film.
Fig. 6 is the schematic diagram according to the application type phase separation layer of one embodiment of the invention.In the present embodiment with aforementioned implementation
Before the same or similar element of example continues to use same or like element numbers, and the related description of same or similar element please refers to
It states, details are not described herein.
As shown in fig. 6, application type phase separation layer 600 have first phase difference area 610 and second phase difference area 620, first
Phase difference area 610 and second phase difference area 620 have out of phase poor.
In one embodiment, the liquid crystal material layer of application type phase separation layer 600 includes multiple liquid crystal molecules, first phase difference area
The liquid crystal molecule in liquid crystal molecule and second phase difference area 620 in 610 has different orientation angles.As shown in fig. 6, first
Liquid crystal molecule in phase difference area 610 has orientation angle 610a, and the liquid crystal molecule in second phase difference area 620 has orientation angle
620a is spent, and orientation angle 610a and orientation angle 620a is difference.All liquid crystal molecules tool in embodiment, in single area
There is identical orientation angle.
The liquid crystal molecule in liquid crystal molecule and second phase difference area 620 in another embodiment, in first phase difference area 610
Also there can be different material types.
The liquid crystal molecule in liquid crystal molecule and second phase difference area 620 in some embodiments, in first phase difference area 610
It can have identical orientation angle and there is different materials type, or there is identical material class with different alignment angle
Type can also have entirely different orientation angle and material type.
In some embodiments, application type phase separation layer 600 may also include a substrate (not in figure), liquid crystal material series of strata
It is coated in substrate to form application type phase separation layer 600.In embodiment, substrate for example may include a Triafol T layer
(TAC), a polymethyl methacrylate layers (PMMA), a cyclic olefin polymer layer (COP), a polyethylene terephthalate
(PET), at least one of a plastic substrate and a soft glass.
In some embodiments, the material of application type phase separation layer 600 can also be first coated on a support plate, material solidification it
Application type phase separation layer 600 is formed afterwards, then support plate is removed from application type phase separation layer 600, does not have any support plate at this time
The application type phase separation layer 600 of material can conform on display panel 100.
In some embodiments, the material of application type phase separation layer 600 can also be directly applied on display panel 100, be connect
Just form application type phase separation layer 600 on display panel 100 after material solidification.
In embodiment, application type phase separation layer 600 includes liquid crystal material layer and photosensitive material, and photosensitive material mixes
In liquid crystal material layer, that is to say, that the application type phase separation layer 600 of embodiment is, for example, the liquid crystal coating layer of light orientation.One
In embodiment, the thickness of the application type phase separation layer 600 of liquid crystal coating layer is, for example, 1~50 micron.In another embodiment, liquid crystal
The thickness of the application type phase separation layer 600 of coating layer is, for example, 1~5 micron.
In embodiment, display device 50 is, for example, organic LED display device, is provided with application type phase separation layer
The thickness of 600 organic LED display device (display device 50) is, for example, less than 100 microns.
In embodiment as shown in FIG. 6, the first phase difference area 610 and second phase difference area of application type phase separation layer 600
620 have strip pattern.In some other embodiments, first phase difference area 610 and second phase difference area 620 can be respectively provided with
Strip pattern, circular pattern or irregular pattern.When right practical application, first phase difference area 610 and second phase difference area 620
Pattern can optionally do appropriate selection, be not limited with aforementioned types of patterns.In one embodiment, above-mentioned first phase difference area 610
It is periodic arrangement with second phase difference area 620.
In previous embodiment, the tool of the application type phase separation layer 600 phase difference area different there are two phase difference.Other embodiments
In, further, application type phase separation layer 600 can have 3 or more the phase difference areas with out of phase difference.So actually answer
The number of used time, the phase difference area with out of phase difference also can optionally do appropriate selection, be not limited with aforesaid number.
Fig. 7 A~7B is the reflection visual angle luminance graph according to the embodiment of the present invention.Fig. 7 A is the phase without regionality coating
The analog result of the organic LED display device of potential difference layer 500, and Fig. 7 B is the application type phase with regionality coating
The analog result of the organic LED display device of potential difference layer 600.Wherein the more intensive region of network point distribution indicates its light
Penetrance is higher, and network point distribution indicates that its light reflectivity is lower more the region evacuated, this two figures all show dark-state state.
When as shown in Figure 7 A, without the regional phase separation layer 500 being coated with, in upward angle of visibility (90 °) and downwards angle of visibility
The light reflection in (270 °) direction is obviously stronger than the light reflection in side view angle (0 ° and 180 °) direction, therefore light with higher is anti-
Penetrate rate.However, when there is the application type phase separation layer 600 of regional coating, in (0 °, 90 °, 180 °, 270 °) of four visual angles side
To illuminance distribution be then substantially improved.Accordingly, according to an embodiment of the invention, the application type phase difference of regional coating
The setting of layer 600 can reduce the non-uniform colour cast situation at each visual angle, so that comprehensive side view angle all has uniformly
Brightness, and adjust display surface overall reflective brightness and reflection form and aspect and reach the uniform effect of optical appearance in each region.
Fig. 8 is the diagrammatic cross-section according to the display device of further embodiment of this invention.In the present embodiment with aforementioned implementation
Before the same or similar element of example continues to use same or like element numbers, and the related description of same or similar element please refers to
It states, details are not described herein.
As shown in figure 8, display device 80 is, for example, organic LED display device, display panel 100 is, for example, to have
Machine LED display panel.Display device 80 includes display panel 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 in substrate 400, and application type phase separation layer 600 is via glue-line
300 fit on display panel 100, and application type polarizing layer 200 and substrate 400 conform to application type phase via another glue-line 300
On potential difference layer 600.Application type phase separation layer 600 is set between display panel 100 and application type polarizing layer 200.Implement one
In example, above-mentioned substrate 400 can also be moved back in fitting to be removed.
In embodiment shown in Fig. 8, application type phase separation layer 600 has first phase difference area and second phase difference area, and
First phase difference area and second phase difference area have out of phase poor.Also, application type polarizing layer 200 have a first area,
One second area and a third region correspond respectively to the first pixel region, the second pixel of organic LED display panel
Area and third pixel region, first area, second area and third region are respectively relative to have the light of first wavelength range, have
The light of second wave length range and light with third wavelength range have maximum light transmittance, first wavelength range, second wave length
Range is different at least two of which of third wavelength range.
Fig. 9 is the diagrammatic cross-section according to the display device of further embodiment of this invention.In the present embodiment with aforementioned implementation
Before the same or similar element of example continues to use same or like element numbers, and the related description of same or similar element please refers to
It states, details are not described herein.
As shown in figure 9, display device 90 is, for example, organic LED display device, display panel 100 is, for example, to have
Machine LED display panel.Display device 90 includes display panel 100, application type polarizing layer 200, application type phase separation layer
600 and glue-line 300.Application type phase separation layer 600 fits on display panel 100 via glue-line 300, application type polarizing layer 200
Directly it is coated with or fits on application type phase separation layer 600.Application type phase separation layer 600 is set to display panel 100 and coating
Between type polarizing layer 200.
In conclusion according to an embodiment of the invention, dye materials and photosensitive material are mixed in liquid crystal material layer and shape
At application type polarizing layer, the different pixels area that the different zones of application type polarizing layer correspond to display panel is absorbable with difference
The light of wave-length coverage, therefore not only there is good polarization effect, the regionalization design of application type polarizing layer can also provide more
Even optics display effect, and the application type polarizing layer of liquid crystal coating layer may also reach up the slimming effect of display device.Separately
Outside, photosensitive material is mixed in liquid crystal material layer and forms application type phase separation layer, the different zones of application type phase separation layer
Poor with out of phase, the setting of the application type phase separation layer of this regionality coating can make display surface in comprehensive side view
Angle all has uniform brightness, and the uniform effect of the optical appearance for reaching each region.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and modifications, but these corresponding changes and change in accordance with the present invention
Shape all should fall within the scope of protection of the appended claims of the present invention.
Claims (14)
1. a kind of display device characterized by comprising
One display panel has one first pixel region, one second pixel region and a third pixel region；And
One application type polarizing layer, is set on the display panel, which includes a liquid crystal material layer, a dyestuff material
Material and a photosensitive material, the dye materials and the photosensitive material are mixed in the liquid crystal material layer, which includes
One first dyestuff, one second dyestuff and a third dyestuff, first dyestuff, second dyestuff and the third dyestuff are at least within
Two differences and/or first dyestuff, second dyestuff are different with the concentration of at least two of which of the third dyestuff；
Wherein the application type polarizing layer has a coplanar first area, a second area and a third region, first dye
It is in the first area, the second area and the third region and right respectively that material, second dyestuff and the third dyestuff are located at
It should be in first pixel region, second pixel region and the third pixel region, the first area, the second area and the third region
It is respectively relative to the light with a first wavelength range, the light with a second wave length range and with a third wavelength range
Light has a maximum light transmittance, and at least within the two of the first wavelength range, the second wave length range and the third wavelength range
A difference.
2. display device as described in claim 1, which is characterized in that the liquid crystal material layer includes multiple liquid crystal molecules, this
Multiple liquid crystal molecule in one region, the second area and the third region is respectively provided with one first orientation angle, one second
Orientation angle and a third orientation angle, the first orientation angle, the second orientation angle and the third orientation angle are at least
Two of them are different.
3. display device as claimed in claim 2, which is characterized in that the first orientation angle, the second orientation angle and should
At least two of which of third orientation angle differs ± 10 degree.
4. display device as described in claim 1, which is characterized in that first pixel region, second pixel region and the third
Pixel region at least any two be periodic arrangement.
5. display device as described in claim 1, which is characterized in that the first wavelength range, the second wave length range and should
Third wavelength range respectively corresponds one first chromaticity coordinate (x1, y1), one second chromaticity coordinate (x2, y2) and a third coloration and sits
It marks (x3, y3), first chromaticity coordinate (x1, y1), second chromaticity coordinate (x2, y2) and the third chromaticity coordinate (x3, y3)
At least two of which it is different.
6. display device as claimed in claim 5, which is characterized in that first chromaticity coordinate (x1, y1), second coloration are sat
Mark (x2, y2) and the third chromaticity coordinate (x3, y3) any two difference: (Δ x, Δ y) are (± 0.1, ± 0.1).
7. display device as described in claim 1, which is characterized in that further include a substrate, which is coated on
In the substrate.
8. display device as claimed in claim 7, which is characterized in that the substrate includes a Triafol T layer, a poly- first
Base methyl acrylate layer, a cyclic olefin polymer layer, a polyethylene terephthalate, a plastic substrate and a soft glass
At least one.
9. display device as described in claim 1, which is characterized in that the application type polarizing layer with a thickness of 1~50 micron.
10. display device as described in claim 1, which is characterized in that the display panel is a liquid crystal display panel, the display
Device with a thickness of less than 300 microns.
11. display device as claimed in claim 10, which is characterized in that further include:
Two application type polarizing layers, are respectively arranged on two apparent surfaces of the display panel.
12. display device as described in claim 1, which is characterized in that the display panel is an organic light-emitting diode display
Panel, the display device with a thickness of less than 100 microns.
13. display device as claimed in claim 12, which is characterized in that further include:
One application type phase separation layer is set between the display panel and the application type polarizing layer.
14. display device as claimed in claim 13, which is characterized in that the application type phase separation layer has a first phase difference
Area and a second phase difference area, the first phase difference area and the second phase difference area have out of phase poor.
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| CN106249462B true CN106249462B (en) | 2019-09-17 |
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| CN115201956A (en) * | 2021-04-09 | 2022-10-18 | 群创光电股份有限公司 | Electronic device and method for manufacturing electronic device |
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| CN103649792A (en) * | 2012-02-17 | 2014-03-19 | 日东电工株式会社 | Optical laminate and method for manufacturing optical laminate |
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| JP5597940B2 (en) * | 2009-06-02 | 2014-10-01 | 凸版印刷株式会社 | Display, adhesive label, transfer foil, and labeled article |
| JP5697634B2 (en) * | 2011-07-26 | 2015-04-08 | 富士フイルム株式会社 | Optical film, security product, and authentication method |
| CN102608796B (en) * | 2012-04-01 | 2015-05-13 | 福建华映显示科技有限公司 | Transparent liquid crystal display device and manufacturing method thereof |
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| TW201219930A (en) * | 2010-07-20 | 2012-05-16 | Zeon Corp | Phase difference film layered body used in stereoscopic image device |
| CN103649792A (en) * | 2012-02-17 | 2014-03-19 | 日东电工株式会社 | Optical laminate and method for manufacturing optical laminate |
| CN103728759A (en) * | 2013-11-28 | 2014-04-16 | 深圳市华星光电技术有限公司 | Color liquid crystal display panel |
| CN104765184A (en) * | 2015-02-13 | 2015-07-08 | 厦门天马微电子有限公司 | Liquid crystal display panel |
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