CN109143447A - polarizing structure and display device - Google Patents
polarizing structure and display device Download PDFInfo
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- CN109143447A CN109143447A CN201811163390.9A CN201811163390A CN109143447A CN 109143447 A CN109143447 A CN 109143447A CN 201811163390 A CN201811163390 A CN 201811163390A CN 109143447 A CN109143447 A CN 109143447A
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- 230000010287 polarization Effects 0.000 abstract description 11
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
-
- 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
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention relates to a polarization structure which comprises a phase compensation film, wherein the phase compensation film comprises a light incident surface and a light emergent surface opposite to the light incident surface; the polarizing film is arranged on the light emergent surface of the phase compensation film; the optical compensation film is arranged on the polarizing film and located on the top layer of the polarizing structure, the optical compensation film has a first refractive index, the first refractive index is larger than the air refractive index, a protruding structure is formed on one surface, in contact with air, of the optical compensation film, and an angle formed by at least part of the surface of the protruding structure and the light incident surface is an acute angle. The optical compensation film with the refractive index larger than that of air is arranged on the top layer, so that light rays vertically incident to the display panel are refracted, and the side viewing angle image quality is improved. The invention also relates to another polarization structure and a display device comprising the polarization structure.
Description
Technical field
The present invention relates to display fields, more particularly to a kind of structure of polarized light and display device.
Background technique
With the development of display technology, display device is because having many advantages, such as that high image quality, power saving, fuselage is thin is widely used in
In this electronic product, wherein the quality of image quality is to influence the most important factor of consumer experience.Display device is generally by carrying on the back
Optical mode group and the display panel being placed on backlight module are constituted, and backlight module provides incident light for display panel, and the incident light is logical
Be often concentrate vertical incidence to display panel, therefore when positive apparent direction watches display screen, preferable display image quality can be obtained, but
It is when side-looking direction watches display screen, image quality is poor, and colour cast is than more serious, so that the visual angle normally shown is smaller.Currently,
Using in VA liquid crystal (Vertical Alignment liquid crystal, homeotropic alignment liquid crystal) display will be in optical filter
Sub-pixel be again divided into the means of multiple sub-pixels to improve the image quality at side view angle, to expand display view angle.But this
Kind method needs more TFT (Thin Film Transistor, thin film transistor (TFT)) elements to drive sub-pixel, is so bound to
For the metal routing for increasing panel itself, causes the region of light-permeable to become smaller, influence the light transmittance of panel, influence image quality.And if
In order to guarantee brightness, then the performance for improving backlight module is needed, so that it is generated the incident light of more high brightness, so will increase back again
Light cost.
Summary of the invention
Based on this, it is necessary to which the problem small for display device display view angle, side view image quality is poor provides a kind of polarisation knot
Structure and display device.
A kind of structure of polarized light successively includes:
Phase compensation film, the phase compensation film include incidence surface and the light-emitting surface opposite with the incidence surface；
Light polarizing film, on the light-emitting surface of the phase compensation film；
Optical compensation films, the top layer in the light polarizing film and positioned at the structure of polarized light, the optical compensation films tool
There is first refractive index, the first refractive index is greater than air refraction, and the one side that the optical compensation films are contacted with air is formed
There is bulge-structure, it is acute angle that the bulge-structure at least partly surface and the incidence surface, which are formed by angle,.
Since in a display device, most of light that backlight module generates is vertical incidence to display panel, if display
Each membrane surface of structure of polarized light in panel is smooth and vertical with vertical incidence light direction, and most of incident light vertical incidence is to aobvious
Show and still vertically projected when panel, cause the positive visual angle image quality of display panel preferably and side view angle image quality is poor.In the present solution, by
In being equipped with optical compensation films, optical compensation films are located at the top layer of structure of polarized light and have first refractive index, and first refractive index is greater than
It is the process for entering light thinning medium from light substantia compacta when air refraction, i.e. light penetrate optical compensation films and enter air, is mended in conjunction with optics
It repays and is formed with bulge-structure on film, the angle of the bulge-structure at least partly surface and incidence surface formation is acute angle, vertical incidence
It after light enters optical compensation films, in the incidence angle that the surface of bulge-structure is formed less than 90 °, therefore can reflect, make vertical
Incident light deflects, so that positive visual angle energy be made to be assigned to side view angle, improves the image quality at side view angle.
The bulge-structure is string configuration and includes circular arc camber in one of the embodiments, and the optics is mended
It repays film and is formed with multiple bulge-structures and the strip bulge-structure and be arranged side by side.
The bulge-structure includes ball-type curved surface in one of the embodiments, and the optical compensation films are formed with multiple
The bulge-structure and the bulge-structure are arranged in two-dimensional matrix array.
The radius of the curved surface is less than or equal to twice of the bulge-structure height in one of the embodiments,.
The center spacing of adjacent protrusion structure is less than or equal to 10 μm in one of the embodiments,.
The optical compensation films are uniaxial C- compensation film in one of the embodiments, and the first refractive index is institute
State the normal refractive index of C- compensation film.
In one of the embodiments, doped with the resin particle of anti-hyun function in the optical compensation films.
The light polarizing film has penetrating shaft in one of the embodiments, and the optical compensation films are uniaxial A compensation
The optical axis of film, the uniaxial A- compensation film is parallel with the penetrating shaft, and the first refractive index is uniaxial A- compensation
The abnormal refraction rate of film.
A kind of structure of polarized light successively includes:
Phase compensation film, the phase compensation film include incidence surface and the light-emitting surface opposite with the incidence surface；
Light polarizing film, on the light-emitting surface of the phase compensation film；
Optical compensation films, the top layer in the light polarizing film and positioned at the structure of polarized light, the optical compensation films tool
There is first refractive index, the first refractive index is greater than air refraction, and the one side that the optical compensation films are contacted with air is formed
There is bulge-structure, include curved surface at the top of the bulge-structure, the radius of the curved surface is less than or equal to the bulge-structure height
Twice, doped with the resin particle of anti-hyun function in the optical compensation films.
Above-mentioned structure of polarized light can make most of vertical incidence to the light of display panel to side view angular deflection, will face
Angle energy is assigned to side view angle, to improve the image quality at side view angle, and can be under the premise of not increasing the thickness of structure of polarized light
Reduce reflective phenomenon.
A kind of display device, comprising:
Backlight module, for providing light source；
Display panel is placed in the backlight module side, for showing picture；
The display panel includes above-mentioned structure of polarized light.
The display panel of above-mentioned display device includes structure of polarized light, and backlight module vertical incidence can be made to display panel
Light to side view angular deflection, positive visual angle energy is assigned to side view angle, to improve the image quality at side view angle.
Detailed description of the invention
Fig. 1 is structure of polarized light explosive view；
Fig. 2 is refraction schematic diagram of the structure of polarized light to incident light；
Fig. 3 A is the three-dimensional structure diagram of optical compensation films in an embodiment；
Fig. 3 B is the stereoscopic schematic diagram of optical compensation films in another embodiment；
Fig. 4 is the sizing specification figure to an embodiment relief structure；
Fig. 5 is structure of polarized light partial sectional view in an embodiment；
Fig. 6 is structure of polarized light partial sectional view in another embodiment；
Fig. 7 is display device structure schematic diagram in an embodiment；
Fig. 8 is display panel structure schematic diagram in an embodiment.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to the disclosure.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
In the description of the present invention, it is to be understood that, term " on ", "lower", "vertical", "horizontal", "inner", "outside" etc.
The orientation or positional relationship of instruction is method based on the figure or positional relationship, is merely for convenience of the description present invention and letter
Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and
Operation, therefore be not considered as limiting the invention.
As shown in Figure 1, structure of polarized light includes the successively folded phase compensation film 100 set, light polarizing film 200, optical compensation films
300, wherein phase compensation film 100 includes incidence surface 100A and light-emitting surface 100B, and incidence surface is the one side for receiving incident light, light
Line enters after the progress phase compensation of phase compensation film 100 from the plane of incidence to be projected from light-emitting surface, since light can go out after liquid crystal
The phenomenon that existing phase delay, by phase compensation film, light phase can be modified.Light by phase compensation enters
Light polarizing film 200, light polarizing film 200 are used to carry out polarization manipulation to light to form linearly polarized photon, and light polarizing film 200 can be polyethylene
Alcohol film, polyvinyl alcohol film with high transparency, high ductibility energy and have polarization to light.Optical compensation films 300 are folded to be set
In the top layer of structure of polarized light, and what is contacted with air is formed with multiple bulge-structures 301 on one side, and bulge-structure 301 is at least partly
It is acute angle that surface and incidence surface, which are formed by angle [alpha], meets 0 ° of 90 ° of < α <.Optical compensation films 300 have first refractive index n1,
First refractive index n1 is greater than air refraction n2.It is to enter light from light substantia compacta when light, which penetrates optical compensation films 300, enters air
The process of matter is dredged, and since the angle α on bulge-structure 301 at least partly surface and incidence surface is acute angle, when light vertical incidence
When to the structure of polarized light, i.e., vertical incidence to incidence surface when, it may occur that refraction effect, vertical incidence light is towards side view angular deflection.?
In display device, since most light are vertical incidence into polarizer, i.e., most light perpendicular to incidence surface, if
The smooth no protrusion of each film layer of polarizer, then vertical incidence light is still vertical after structure of polarized light projects, most of luminous energy quantity set
In at the positive visual angle of panel, therefore the image quality at positive visual angle is preferable, and side view angle is since light energy is less, cause the image quality at side view angle compared with
Difference.This programme is arranged optical compensation films of the refractive index greater than air refraction by the top layer in structure of polarized light and connects with air
The one side of touching forms bulge-structure 301, can be at bulge-structure when vertical incidence light is incident to air from optical compensation films 300
It reflects, changes the propagation path of vertical incidence light, so that light is deflected, so that positive visual angle light type energy be made to be assigned to greatly
The image quality at side view angle is improved at visual angle.
As shown in connection with fig. 2, when light 1 or 2 vertical incidence of light and penetrate optical compensation films 300 enter air when, vertically
Incidence angle of the incident light at bulge-structure surface is β, 0 90 ° of < β <, therefore light can reflect, refraction angle γ, by
It is to enter light thinning medium from light substantia compacta in light, γ is greater than β, i.e. light propagation path changes, and light deviation vertically enters originally
Direction is penetrated, is dissipated to side, therefore has more light and injects side, improves the image quality of side view angle.It should be understood that the
The difference of one refractive index n1 and air refraction n2 is bigger, and refraction angle when reflecting is bigger, easier to face light type
Energy is assigned to big visual angle.In one embodiment, the value range of first refractive index n1 is 1.0 < n1 < 2.5, air refraction
N2 is n2=1.0.In one embodiment, if the value range of m=n1-n2, m are 0.01 < m < 1.5.
As shown in Figure 3A, optical compensation films 300 are formed with multiple bulge-structures 301, and each bulge-structure 301 is strip knot
Structure and including arc-shaped curved surface, which can be circular arc camber.Each bulge-structure 301 can be arranged side by side, when bulge-structure 301 includes
When arc-shaped curved surface, the angle of arc-shaped curved surface and light polarizing film incidence surface is the section of arc-shaped curved surface and the angle of incidence surface, the angle
For acute angle.As shown in Figure 3B, bulge-structure 301 also may include ball-type curved surface, and each bulge-structure 301 is arranged in two-dimensional matrix array
The angle of column, sphere curved surface and light polarizing film incidence surface is the section of sphere curved surface and the angle of incidence surface, which is acute angle.By
In in a display device, the light that backlight module generates is largely to concentrate vertical incidence to display panel, that is, is incident to phase
The most of incidence surface perpendicular to phase compensation film of the light of compensation film.If the surfacing of each optical thin film and and vertical incidence
Light is mutually perpendicular to, and will not be changed when vertical incidence light penetrates polarizer still vertical when its direction of propagation, i.e. light vertical incidence
Project, light caused to concentrate on positive angle so that the display image quality of positive apparent direction is preferable, and side view angle due to light compared with
Weak, the image quality of side view angle is poor.In the present solution, due to be equipped with curved protrusion structure 301, can to vertical incidence light into
Row refraction, light deviate original normally incident direction, dissipate to side, therefore have more light and inject side, improve side
The image quality of angle.When bulge-structure is arc-shaped curved surface and bulge-structure is arranged side by side, only reflects, make in one-dimensional square
Divergence of beam is to the two sides of arc-shaped curved surface；When bulge-structure is sphere curved surface and bulge-structure is arranged in two-dimensional rectangle array,
It can be reflected in two-dimensional surface, make divergence of beam to all angles of two-dimensional surface, to make each visual angle that can present
Preferable image quality.In other examples, bulge-structure 301 also may include inclined-plane and the surface of other forms, can make vertical
Incident light reflects.
In one embodiment, as shown in figure 4, when above-mentioned curved surface is circular arc camber or ball curved surface, the radius of curved surface is R,
The height of bulge-structure 301 is D, and the relationship between radius R and height D can be R≤2D, so that reducing curved surface when film layer is relatively thin
Radius of curvature, radius of curvature is smaller, and refraction effect is more obvious, and the energy range that can be assigned to big visual angle is more.
In one embodiment, there are gaps between adjacent two bulge-structure, and gap also may not be present.As shown in figure 4, one
In embodiment, bulge-structure 301 is bilateral symmetry, and the width of bulge-structure 301 is 2r, in adjacent protrusion structure 301
In the heart away from for P, P >=2r.In one embodiment, the center spacing of adjacent protrusion structure 301 is less than or equal to 10 μm, i.e., less than one
As pixel opening width, that is, meet each pixel openings be corresponding at least one bulge-structure the pixel light is carried out it is inclined
Turn.
In one embodiment, between adjacent two bulge-structure there are gap, as shown in figure 4, gap width is X, X be less than or
Close to the wavelength of incident light.When light is incident to optical compensation films, the light propagated at optical compensation films bulge-structure can be sent out
Raw refraction, the light for making light to side view angular deflection, while propagating at adjacent protrusion structure interval can occur diffraction, can also make
Light may make more vertical incidence light to side view angular deflection to enhance to side view angular deflection, refraction action combination diffraction
The image quality at side view angle.In one embodiment, the value range of X is specially 300nm≤X≤1000nm.
Light polarizing film 200 has absorption axiss and penetrating shaft, and the direction of an electric field polarization luminous energy parallel with penetrating shaft passes through light polarizing film.
In the present solution, the transparent or semitransparent material that optical compensation films should be light-permeable is made and has the function of optical compensation, light
Learn compensation concretely phase compensation.In one embodiment, liquid crystal is filled in optical compensation films, liquid crystal is birefringent material,
Two light of normal light and unusual light can be generally reflected into when light enters liquid crystal, wherein the refractive index of normal light is normal folding
Rate is penetrated, the refractive index of unusual light is abnormal refraction rate, and abnormal refraction direction is the photoelectricity field direction direction parallel with liquid crystal optic axis,
Normal refraction direction is the optical electric field direction vertical with liquid crystal optic axis, and abnormal refraction direction is vertical with normal refraction direction.At this
In embodiment, as shown in figure 5, optical compensation films 300 are uniaxial C- compensation film, disk like liquid can be filled in uniaxial C- compensation film
Crystalline substance 302, for the optical axis of disc-like liquid crystal perpendicular to incidence surface, the normal refraction direction of disc-like liquid crystal is photoelectricity field direction and disc-like liquid crystal
The vertical all directions of optical axis, i.e. the photoelectricity field direction of the normal refraction of disc-like liquid crystal can be each side parallel with incidence surface
To corresponding normal refractive index is n1o, in the present embodiment, first refractive index is C- compensation film normal refractive index n1o.Light warp
Become linearly polarized light after crossing the polarization manipulation of light polarizing film, the direction of an electric field of the linearly polarized light is parallel with penetrating shaft, i.e. the linear polarization
The direction of an electric field of light and the optical axis of optical compensation films are vertical, therefore normal refraction, first refractive only occur in optical compensation films
The normal refractive index n1 of rate selection optical compensation filmso, n1oGreater than air refraction n2.
In another embodiment, as shown in fig. 6, optical compensation films 300 are uniaxial A- compensation film, uniaxial A- compensation film
Interior fillable nematic liquid crystal 304, the optical axis of nematic liquid crystal 304 are parallel to incidence surface and are parallel to the penetrating shaft of light polarizing film,
The abnormal refraction direction of nematic liquid crystal 304 is that photoelectricity field direction is parallel with 304 optical axis of nematic liquid crystal, i.e. nematic liquid crystal
The photoelectricity field direction of 304 abnormal refraction is parallel with the penetrating shaft of light polarizing film, and corresponding abnormal refraction rate is n1e, in this implementation
In example, first refractive index is A- compensation film abnormal refraction rate n1e.Light becomes linear polarization after the polarization manipulation of light polarizing film
The direction of an electric field of light, the linearly polarized light is parallel with penetrating shaft, i.e. the optical axis of the direction of an electric field of the linearly polarized light and optical compensation films
In parallel, therefore in optical compensation films abnormal refraction only occurs, first refractive index chooses the abnormal refraction rate of optical compensation films
n1e, n1eGreater than air refraction n2.
In one embodiment, support membrane is additionally provided between optical compensation films 300 and light polarizing film 200, support membrane can be three
Cellulose acetate (TAC) support membrane can also be polyethylene terephthalate (PET) support membrane, can also be polymethyl
Sour methyl esters (PMMA) support membrane.In structure of polarized light, usually using polyvinyl alcohol as light polarizing film, and polyvinyl alcohol is with extremely strong
Hydrophily, be arranged support membrane, the physical characteristic of light polarizing film can be protected.In another embodiment, optical compensation films 300 directly paste
Together on the light-emitting surface of light polarizing film 200, i.e., it is not provided with support membrane between optical compensation films and light polarizing film, due to the one of light polarizing film
Side is equipped with optical compensation films, and optical compensation films can deflect light, can also act as protective layer to protect light polarizing film, because
This can be omitted the support membrane of light polarizing film light emission side in polarizer, be conducive to the slimming design of product.It should be noted that
Optical compensation films need to have suitable thickness to realize the protective effect to light polarizing film.
In one embodiment, as shown in figure 5, the resin particle 303 of anti-hyun function can be adulterated in optical compensation films 300,
Display panel light reflex can be reduced in the case where not increasing polarisation plate thickness, promote user experience.
The invention further relates to a kind of structure of polarized light, and referring to figure 1 and figure 5, structure of polarized light includes the phase successively folded and set
Compensation film 100, light polarizing film 200, optical compensation films 300.Wherein, phase compensation film 100 includes incidence surface 100A and light-emitting surface
100B.Optical compensation films 300 are stacked at the top layer of structure of polarized light, and what is contacted with air is formed with multiple bulge-structures on one side
301, at least partly surface of bulge-structure 301 and incidence surface are formed by angle [alpha] as acute angle, meet 0 ° of 90 ° of < α <.Optics is mended
It repays film 300 and is greater than air refraction n2 with first refractive index n1, first refractive index n1.When light penetrate optical compensation films 300 into
It is to enter the process of light thinning medium from light substantia compacta, and due to the folder on bulge-structure 301 at least partly surface and incidence surface when entering air
Angle α be acute angle, when light vertical incidence to the structure of polarized light, i.e., vertical incidence to incidence surface when, it may occur that refraction effect, hang down
Straight incident light is towards side view angular deflection.It include curved surface at the top of bulge-structure, the radius of the curved surface is less than or equal to the protrusion knot
Twice of structure height, so that reducing the radius of curvature of curved surface when film layer is relatively thin, radius of curvature is smaller, and refraction effect is more obvious,
The energy range that big visual angle can be assigned to is more.The resin particle of anti-hyun function can be adulterated in optical compensation films 300
303, display panel light reflex can be reduced in the case where not increasing structure of polarized light thickness.
Invention additionally discloses a kind of display device, as shown in fig. 7, comprises backlight module 2 and being placed in backlight module side
Display panel 1, wherein display panel 1 includes structure of polarized light described above.Backlight module 2 is produced for providing light source, light source
Raw incident light, the incident light are concentrated on vertical direction in display panel 1 is incident in the range of low-angle, which can
Less than 30 °.Most of light that display panel 1 receives is vertical incidence light, since the structure of polarized light top layer in display panel 1 is
Optical compensation films and optical compensation films are formed with bulge-structure, bulge-structure surface by refraction can by vertical incidence light into
Horizontal deflection improves the image quality at side view angle so that positive visual angle energy will be assigned to side view angle.Structure of polarized light in display panel is
It is being described above, details are not described herein again.Wherein, light source can be side entering type light source, the upper and lower surface of light guide plate in backlight module 20
Be equipped with strip V-groove, the side wall of light guide plate lower surface V-groove is parallel with side entering type light source, the V-groove of light guide plate upper surface with
The V-groove of lower surface is mutually perpendicular to.
In one embodiment, as shown in figure 8, display panel be liquid crystal display panel, display panel include upper polarizer 10,
Lower polarizer 30 and the liquid crystal layer 20 being located between polarizer 10 and lower polarizer 30, liquid crystal layer 20 include glass substrate
And the liquid crystal molecule being located between glass substrate.Incident light becomes linearly polarized light after lower polarizer, and liquid crystal layer 20 can be turned round
The polarization direction for turning linearly polarized light passes through linearly polarized light from upper polarizer, so that picture is shown on a display panel, wherein
Upper polarizer 10 includes structure of polarized light described above.In one embodiment, upper polarizer is in addition to including above-mentioned structure of polarized light,
Also comprising the pressure-sensitive adhesive layer for being stacked at phase compensation film incidence surface, polarizer can be pasted on by glass substrate by pressure sensitive adhesive
On.In other embodiments, display panel may be Organic Light Emitting Diode (Organic Light-Emitting
Diode, OLED) display panel, light emitting diode with quantum dots (Quantum Dot Light Emitting Diodes, QLED)
Display panel or curved face display panel, and other display panels comprising above-mentioned structure of polarized light.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of structure of polarized light characterized by comprising
Phase compensation film, the phase compensation film include incidence surface and the light-emitting surface opposite with the incidence surface；
Light polarizing film, on the light-emitting surface of the phase compensation film；
Optical compensation films in the light polarizing film and are located at the top layer of the structure of polarized light, and the optical compensation films have the
One refractive index, the first refractive index are greater than air refraction, and what the optical compensation films were contacted with air is formed with convex on one side
Structure is played, it is acute angle that the bulge-structure at least partly surface and the incidence surface, which are formed by angle,.
2. structure of polarized light as described in claim 1, which is characterized in that the bulge-structure is string configuration and includes circular arc
Curved surface, the optical compensation films are formed with multiple bulge-structures and the strip bulge-structure is arranged side by side.
3. structure of polarized light as described in claim 1, which is characterized in that the bulge-structure includes ball-type curved surface, the optics
Compensation film is formed with multiple bulge-structures and the bulge-structure is arranged in two-dimensional matrix array.
4. structure of polarized light as claimed in claim 2 or claim 3, which is characterized in that the radius of the curved surface is less than or equal to described convex
Twice for playing structure height.
5. structure of polarized light as described in claim 1, which is characterized in that the center spacing of adjacent protrusion structure is less than or equal to 10
μm。
6. structure of polarized light as described in claim 1, which is characterized in that the optical compensation films are uniaxial C- compensation film, institute
State the normal refractive index that first refractive index is the C- compensation film.
7. structure of polarized light as described in claim 1, which is characterized in that the light polarizing film has penetrating shaft, the optical compensation
Film is uniaxial A compensation film, and the optical axis of the uniaxial A- compensation film is parallel with the penetrating shaft, and the first refractive index is institute
State the abnormal refraction rate of uniaxial A- compensation film.
8. structure of polarized light as described in claim 1, which is characterized in that doped with the tree of anti-hyun function in the optical compensation films
Ester particle.
9. a kind of structure of polarized light, successively includes:
Phase compensation film, the phase compensation film include incidence surface and the light-emitting surface opposite with the incidence surface；
Light polarizing film, on the light-emitting surface of the phase compensation film；
Optical compensation films in the light polarizing film and are located at the top layer of the structure of polarized light, and the optical compensation films have the
One refractive index, the first refractive index are greater than air refraction, and what the optical compensation films were contacted with air is formed with convex on one side
Structure is played, includes curved surface at the top of the bulge-structure, the radius of the curved surface is less than or equal to the two of the bulge-structure height
Times, doped with the resin particle of anti-hyun function in the optical compensation films.
10. a kind of display device, comprising:
Backlight module, for providing light source；
Display panel is placed in the backlight module side, for showing picture；
It is characterized in that, the display panel includes the described in any item structure of polarized light of claim 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811163390.9A CN109143447A (en) | 2018-09-30 | 2018-09-30 | polarizing structure and display device |
| PCT/CN2018/119263 WO2020062561A1 (en) | 2018-09-30 | 2018-12-05 | Polarizing structure and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811163390.9A CN109143447A (en) | 2018-09-30 | 2018-09-30 | polarizing structure and display device |
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| Publication Number | Publication Date |
|---|---|
| CN109143447A true CN109143447A (en) | 2019-01-04 |
Family
ID=64810677
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811163390.9A Pending CN109143447A (en) | 2018-09-30 | 2018-09-30 | polarizing structure and display device |
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| Country | Link |
|---|---|
| CN (1) | CN109143447A (en) |
| WO (1) | WO2020062561A1 (en) |
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| WO2020062563A1 (en) * | 2018-09-30 | 2020-04-02 | 惠科股份有限公司 | Polarizer structure and display device |
| CN113140590A (en) * | 2020-01-16 | 2021-07-20 | 昆山国显光电有限公司 | OLED device, display panel and display device |
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| JP6078969B2 (en) * | 2012-03-29 | 2017-02-15 | 大日本印刷株式会社 | Light diffusing film, polarizing plate, and liquid crystal display device |
| CN203273560U (en) * | 2013-05-30 | 2013-11-06 | 京东方科技集团股份有限公司 | Backlight module and display device |
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| CN101852950A (en) * | 2004-06-29 | 2010-10-06 | 夏普株式会社 | Phase difference film, polarization film, liquid crystal display unit, and method of designing phase difference film |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2020062561A1 (en) | 2020-04-02 |
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Application publication date: 20190104 |