CN208721949U - polarizing structure, display panel and display device - Google Patents
polarizing structure, display panel and display device Download PDFInfo
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- CN208721949U CN208721949U CN201821625260.8U CN201821625260U CN208721949U CN 208721949 U CN208721949 U CN 208721949U CN 201821625260 U CN201821625260 U CN 201821625260U CN 208721949 U CN208721949 U CN 208721949U
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- 230000003287 optical effect Effects 0.000 claims abstract description 151
- 239000000758 substrate Substances 0.000 claims description 38
- 239000012528 membrane Substances 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 17
- 230000002159 abnormal effect Effects 0.000 claims description 11
- 230000000737 periodic effect Effects 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000010408 film Substances 0.000 description 168
- 239000004973 liquid crystal related substance Substances 0.000 description 19
- 239000010410 layer Substances 0.000 description 14
- 230000000007 visual effect Effects 0.000 description 10
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- 238000000034 method Methods 0.000 description 7
- 239000004988 Nematic liquid crystal Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000005684 electric field Effects 0.000 description 5
- 230000005622 photoelectricity Effects 0.000 description 5
- 241001573498 Compacta Species 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
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- 238000000576 coating method Methods 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000002096 quantum dot Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
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- -1 polyethylene terephthalate Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
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- 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 1
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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
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Polarising Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The utility model relates to a polarisation structure, include: the first optical compensation film is provided with a first refractive index and comprises a light incident surface and a light emergent surface opposite to the light incident surface, and a plurality of grooves are formed on the light emergent surface of the first optical compensation film; the second optical compensation film is provided with a plurality of convex structures matched with the grooves in shape and size, the width of each convex structure is smaller than or close to the wavelength of incident light, the second optical compensation film is attached to the light emitting surface of the first optical compensation film, the convex structures are accommodated in the grooves, the second optical compensation film has a second refractive index, and the first refractive index is larger than the second refractive index; and the polarizing film is arranged on the second optical compensation film. The optical compensation films with different refractive indexes are arranged and the convex structures are formed to construct the grating, so that the vertical incident light can be deflected, and the side view angle image quality is improved. The utility model discloses still relate to another kind of polarisation structure, display panel and display device.
Description
Technical field
The utility model relates to display fields, more particularly to a kind of structure of polarized light, display panel 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.
Utility model content
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, display panel and display device.
A kind of structure of polarized light successively includes:
First optical compensation films, have first refractive index, first optical compensation films include incidence surface and with it is described enter
The opposite light-emitting surface of smooth surface is formed with multiple grooves on the light-emitting surface of first optical compensation films；
Second optical compensation films are formed with multiple bulge-structures to match with the groove shapes, size, the protrusion
The width of structure be less than or close to incident light wavelength, second optical compensation films fit in first optical compensation films
On light-emitting surface, and the bulge-structure is contained in the groove, and second optical compensation films have the second refractive index, described
First refractive index is greater than second refractive index；
Light polarizing film is set on second optical compensation films.
Since in a display device, most of light is vertical incidence to display panel, and display panel includes structure of polarized light,
If each membrane surface in structure of polarized light is smooth and is mutually perpendicular to vertical incidence light, most of incident light vertical incidence to polarisation
Still vertically projected when plate, cause the positive visual angle image quality of display panel preferably and side view angle image quality is poor.And in the present solution, due to setting
There are the first optical compensation films and the second optical compensation films, and first refractive index is greater than the second refractive index, i.e. light vertical incidence is to aobvious
When showing panel, penetrates the first optical compensation films and be incident to the process of the second optical compensation films, be to enter light thinning medium from light substantia compacta
Process.Meanwhile multiple bulge-structures are formed on one side what the second optical compensation films were contacted with the first optical compensation films, it is each convex
Rise structure width be less than or close to incident light wavelength, when incident light enters light thinning medium from light substantia compacta, the bulge-structure phase
Diffraction can occur when in a grating, being incident to the light at bulge-structure, to change the propagation path of light, make vertical incidence
Light diffuses to side view angle, improves the image quality at side view angle.
The width of the bulge-structure is greater than or equal to 300nm in one of the embodiments, and is less than or equal to
1000nm。
The bulge-structure is strip protrusion in one of the embodiments, and the strip bulge-structure is side by side
Setting.
The bulge-structure is arranged in two-dimensional matrix array in one of the embodiments, and the length of the bulge-structure
Degree and width be respectively less than or close to incident light wavelength.
The bulge-structure is in periodic arrangement in one of the embodiments,.
The light polarizing film has penetrating shaft in one of the embodiments, and first optical compensation films are uniaxial A-
The optical axis of compensation film, the uniaxial A- compensation film is parallel with the penetrating shaft, and the first refractive index is the A- compensation film
Abnormal refraction rate, second optical compensation films be uniaxial C- compensation film, the optical axis of the uniaxial C- compensation film and institute
State that penetrating shaft is vertical, second refractive index is the normal refractive index of the C- compensation film.
The structure of polarized light further includes support membrane in one of the embodiments, and the support membrane is stacked at described first
On the incidence surface of optical compensation films.
The structure of polarized light further includes support membrane in one of the embodiments, and the support membrane is set to second light
It learns between compensation film and the light polarizing film.
A kind of structure of polarized light, comprising:
First optical compensation films, have first refractive index, first optical compensation films include incidence surface and with it is described enter
The opposite light-emitting surface of smooth surface is formed with multiple grooves on the light-emitting surface of first optical compensation films；
Second optical compensation films are formed with multiple bulge-structures to match with the groove shapes, size, the protrusion
The width of structure be less than or close to incident light wavelength, the bulge-structure be in periodic arrangement, the center of adjacent protrusion structure
Spacing is less than or equal to the opening width of single pixel, and second optical compensation films fit in first optical compensation films
On light-emitting surface, and the bulge-structure is contained in the groove, and second optical compensation films have the second refractive index, described
First refractive index is greater than second refractive index；
Light polarizing film is set on second 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.
A kind of display panel, comprising:
First substrate, the first substrate include incident side and light emission side；
The second substrate, positioned at the first substrate light emission side and be oppositely arranged with the first substrate；
First polarizer is formed in the side for deviating from the second substrate on the first substrate；
Second polarizer is formed in the side for deviating from the first substrate in the second substrate；
First polarizer and/or the second polarizer include above-mentioned structure of polarized light.
Above-mentioned display panel includes structure of polarized light, using structure of polarized light, most of vertical incidence can be made to display surface
The light of plate is assigned to side view angle to side view angular deflection, by positive visual angle energy, to improve the image quality at side view angle.
A kind of display device, comprising:
Backlight module is placed in the display device bottom, for providing incident light；
Display panel is placed in above the backlight module, for receiving the incident light and showing picture；
The display panel is above-mentioned display panel.
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 diffraction schematic diagram of the structure of polarized light to incident light；
Fig. 3 A is the three-dimensional structure diagram of the second optical compensation films in an embodiment；
Fig. 3 B is the stereoscopic schematic diagram of the second optical compensation films in another embodiment；
Fig. 4 is structure of polarized light cross-sectional view in an embodiment；
Fig. 5 is the first optical compensation films optical axis in an embodiment, the second optical compensation films optical axis and light polarizing film penetrating shaft
Direction relations figure；
Fig. 6 is display panel structure cross-sectional view in an embodiment；
Fig. 7 is the second polarized light plate structure schematic diagram in an embodiment；
Fig. 8 is the first polarized light plate structure schematic diagram in an embodiment；
Fig. 9 is display device structure schematic diagram in an embodiment.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
It is more thorough and comprehensive to open content.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
In the description of the present invention, it should be understood that term " on ", "lower", "vertical", "horizontal", "inner",
The orientation or positional relationship of the instructions such as "outside" is method based on the figure or positional relationship, is merely for convenience of describing this reality
It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.
As shown in Figure 1, structure of polarized light includes successively folded the first optical compensation films 100 set, 200 and of the second optical compensation films
Light polarizing film 300, wherein the first optical compensation films 100 include incidence surface 100A and light-emitting surface 100B, and incidence surface is to receive incident light
One side, light enters the first optical compensation films 100 from incidence surface and projects from light-emitting surface, and the first optical compensation films light-emitting surface
100B is formed with multiple grooves 101.Second optical compensation films are folded to be located on the light-emitting surface of the first optical compensation films, and the second optics is mended
It repays film and is formed with multiple bulge-structures 201 to match with 101 shape of groove, size, bulge-structure 201 can be embedded just below groove
In 101, the width of bulge-structure 201 be less than or close to incident light wavelength, the second optical compensation films 200 fit in the first optics
In compensation film 100, and bulge-structure 201 is completely accommodated in groove 101, i.e. the first optical compensation films 100 and the second optics are mended
It repays and fits closely gapless between film 200.First optical compensation films have first refractive index n1, and the second optical compensation films have the
Two refractive index n2, first refractive index n1 are greater than the second refractive index n2.Enter the second optics when light penetrates the first optical compensation films 100
It is to enter the process of light thinning medium from light substantia compacta, and since the width of bulge-structure is less than or close to incident light when compensation film 200
Wavelength, when at incident light propagation to the bulge-structure 201, which is equivalent to a grating, and light is in the bulge-structure
Diffraction can occur for place.In a display device, since most light are vertical incidence into polarizer, i.e., most light
Perpendicular to incidence surface, the first optical compensation films 100 and the second optical compensation films 200 that this programme passes through setting different refractivity are simultaneously
Bulge-structure 201 is formed in the contact surface of the second optical compensation films 200 and the first optical compensation films 100, passes through bulge-structure shape
At grating, incident light from the first optical compensation films 100 vertically to the second optical compensation films 200 when, can occur at bulge-structure
Diffraction 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 big view
The image quality at side view angle is improved at angle.Light polarizing film 300 is set on the second optical compensation films, and shape after polarization manipulation can be carried out to light
At linearly polarized light and from injection.In one embodiment, light polarizing film 300 is polyvinyl alcohol film, and polyvinyl alcohol film has high transparency, height
Ductility and to light have polarization.
As shown in connection with fig. 2, the width of bulge-structure is X, and the value range of X can be 300nm≤X≤1000nm, works as light
When vertically penetrating the first optical compensation films 100 the second optical compensation films 200 of entrance, diffraction, i.e. light occur at bulge-structure 201
Line propagation path changes, and light deviates original normally incident direction, dissipates to side, therefore has more light and inject
The image quality of side view angle is improved in side.It should be understood that first refractive index n1 and the difference of the second refractive index n2 are bigger, diffraction
Phenomenon is more obvious, and the easier light type energy that will face is assigned to big visual angle.In one embodiment, the value model of first refractive index n1
It encloses for 1.0 < n1 < 2.5, the value range of the second refractive index n2 is 1.0 < n2 < 2.5.In one embodiment, if m=n1-
The value range of n2, m can be 0.01 < m < 1.5.
As shown in Figure 3A, multiple bulge-structures 201 are formed on the second optical compensation films 200, each bulge-structure 201 is length
Strip bulge, each strip bulge-structure 201 can be arranged side by side, the width of each strip protrusion be less than or close to incident light wave
It is long.As shown in Figure 3B, bulge-structure 201 can also be arranged in two-dimensional matrix array, the width (X-direction) and length of each bulge-structure
(Y-direction) be respectively less than or close to incident light wavelength.Since in a display device, the light that backlight module generates is largely collection
Middle vertical incidence is to display panel, if the surfacing of each optical thin film and being mutually perpendicular to vertical incidence light, vertical incidence light
It is still vertically projected when will not change its direction of propagation, i.e. light vertical incidence when penetrating polarizer, light is caused to concentrate on just
Angle, so that the display image quality of positive apparent direction is preferable, and side view angle is since light is weaker, and the image quality of side view angle is poor.
In the present solution, due to being equipped with multiple bulge-structures 201, bulge-structure 201 can make vertical incidence light generate diffraction, light
Deviate original normally incident direction, dissipated to side, therefore have more light and inject side, improves the picture of side view angle
Matter.When bulge-structure is strip protrusion and is arranged side by side, diffraction only occurs in one-dimensional square (X-direction), makes divergence of beam
To the two sides of bulge-structure；When bulge-structure is arranged in two-dimensional rectangle array, since the length and width of bulge-structure is small
In or close to incident light wavelength, diffraction can occur in the two-dimensional surface (X-direction and Y-direction).In some embodiments, raised
Structure 201 is cuboid protrusion, and in other examples, bulge-structure 201 can also be the protrusion of other forms, bulge-structure
Size can make incident light that diffraction occur.In one embodiment, bulge-structure is in periodic arrangement, adjacent protrusion knot
The center spacing of structure is equal.In one embodiment, the center spacing of adjacent protrusion structure is less than or equal to 10 μm, that is, is less than or waits
In the opening width of general pixel, that is, meets each pixel openings and be corresponding at least one bulge-structure to pixel light progress
Deflection.
In the present solution, the transparent or semitransparent material that optical compensation films should be light-permeable is made and has optical compensation
Function, optical compensation concretely phase compensation.In one embodiment, liquid crystal is filled in optical compensation films, liquid crystal is two-fold
Material is penetrated, in general, light can reflect into two light of normal light and unusual light when entering liquid crystal, wherein the corresponding folding of normal light
Penetrating rate is normal refractive index, and the corresponding refractive index of unusual light is abnormal refraction rate, and abnormal refraction direction is photoelectricity field direction and liquid
The parallel direction of brilliant optical axis, normal refraction direction are the optical electric field direction vertical with liquid crystal optic axis, abnormal refraction direction with normally
Refractive direction is vertical.In the present embodiment, as shown in Figure 4 and Figure 5, the first optical compensation films 100 are uniaxial A- compensation film, single
Nematic liquid crystal 102 can be filled inside optical axis A- compensation film, nematic liquid crystal is the rodlike type liquid crystal of strip, each nematic liquid crystal
Optical axis is parallel, makes the first optical compensation films in uniaxial characteristic.Light polarizing film 300 have absorption axiss and penetrating shaft, direction of an electric field with
The parallel polarization luminous energy of penetrating shaft passes through light polarizing film.In the present embodiment, if 301 direction of penetrating shaft of light polarizing film is Y-direction, the
The optical axis 103 of one optical compensation films is parallel with incidence surface and is parallel to the penetrating shaft 301 of polarizing coating, i.e. the first optical compensation films
Optical axis is Y-direction.The abnormal refraction direction of nematic liquid crystal is the photoelectricity field direction direction parallel with the optical axis of nematic liquid crystal,
That is the photoelectricity field direction of nematic liquid crystal abnormal refraction is parallel with the penetrating shaft of polarizing coating, and corresponding abnormal refraction rate is n1e.The
Two optical compensation films 200 are uniaxial C- compensation film, and disc-like liquid crystal 202, each disc-like liquid crystal can be filled in uniaxial C- compensation film
Optical axis make the second optical compensation films in parallel the optical axis of disc-like liquid crystal be perpendicular to incidence surface, i.e. the second optics in uniaxial characteristic
For the optical axis 203 of compensation film perpendicular to incidence surface, 203 direction of optical axis of the second optical compensation films is the Z-direction in figure.Disc-like liquid crystal
Normal refraction direction be photoelectricity field direction all directions vertical with disc-like liquid crystal optical axis, i.e. the normal refraction of disc-like liquid crystal
Photoelectricity field direction can be all directions parallel with incidence surface, and corresponding normal refractive index is n2o.In the present embodiment, first
Refractive index is the abnormal refraction rate n1 of A- compensation filme, the second refractive index is the normal refractive index n2 of C- compensation filmo.Due to the second benefit
It repays and is equipped with light polarizing film above film, only the direction of an electric field light parallel with light polarizing film penetrating shaft can pass through light polarizing film, the first optics
The direction of an electric field of the normal light of the direction of an electric field and the second optical compensation films of the unusual light of compensation film is parallel with penetrating shaft, therefore selects
Take the abnormal refraction rate n1 of the first optical compensation filmseFor first refractive index, the normal refractive index n2o of the second optical compensation films is chosen
For the second refractive index, n1e> n2o.In one embodiment, uniaxial C- compensation film chooses uniaxial minus C- compensation film, uniaxial
The normal refractive index of minus C- compensation film is greater than abnormal refraction rate.Since light will appear showing for phase delay after treatment
As in the present solution, different from the refractive index of uniaxial C- compensation film using uniaxial A- compensation film and make vertical incidence light
While line deflects, uniaxial A- compensation film and uniaxial C- compensation film also constitute double optical axis phase compensation films, can be right
Light carries out phase compensation, avoids influence of the phase delay to image quality.
In one embodiment, structure of polarized light also includes support membrane, and support membrane can be Triafol T (TAC) support membrane,
It can also be polyethylene terephthalate (PET) support membrane, can also be polymethyl methacrylate (PMMA) support membrane.Polarisation
In structure, usually using polyvinyl alcohol as light polarizing film, and polyvinyl alcohol has extremely strong hydrophily, and support membrane is arranged, can protect
Protect the physical characteristic of light polarizing film.In one embodiment, support membrane can be stacked on the incidence surface of the first optical compensation films.Another
In embodiment, support membrane can be set between the second optical compensation films and light polarizing film.In other embodiments, polarizer enter flash ranging can
It is not provided with support membrane, since the incident side in light polarizing film is equipped with the first optical compensation films and the second optical compensation films, the first optics
Compensation film and the second optical compensation films can deflect light, can also act as protective layer to protect light polarizing film, therefore
The support membrane that can be omitted light polarizing film incident side in structure of polarized light is conducive to the slimming design of product.It should be noted that the
One optical compensation films and the second optical compensation films need to have suitable thickness to realize the protective effect to light polarizing film.
The utility model further relates to a kind of structure of polarized light, as shown in Figure 1, structure of polarized light includes successively folded the first optics set
Compensation film 100, the second optical compensation films 200 and light polarizing film 300.Wherein, the first optical compensation films 100 include incidence surface 100A and
Light-emitting surface 100B, the first optical compensation films light-emitting surface 100B are formed with multiple grooves 101；Second optical compensation films are folded to be located at first
On the light-emitting surface of optical compensation films, the second optical compensation films are formed with multiple protrusion knots to match with 101 shape of groove, size
The width of structure 201, bulge-structure 201 be less than or close to incident light wavelength, bulge-structure be in periodic arrangement, adjacent protrusion knot
The center spacing of structure is less than or equal to the opening width of single pixel, and the second optical compensation films 200 fit in the first optical compensation
On film 100, and bulge-structure 201 is completely accommodated in groove 101；First optical compensation films have first refractive index n1, second
There is optical compensation films the second refractive index n2, first refractive index n1 to be greater than the second refractive index n2.When light penetrates the first optical compensation
It is the process for entering light thinning medium from light substantia compacta, light can at the bulge-structure when film 100 enters the second optical compensation films 200
Diffraction occurs, light is made to deflect, so that positive visual angle light type energy be made to be assigned to big visual angle, improves the image quality at side view angle.
A kind of display panel is also disclosed in the utility model, including first substrate, the second substrate, the first polarizer and second are partially
Tabula rasa, wherein first substrate includes incident side and light emission side, and the second substrate is located at the light emission side and and first substrate of first substrate
It is oppositely arranged, the first polarizer is formed in the side for deviating from the second substrate on first substrate, and the second polarizer is formed in the second base
Deviate from the side of first substrate on plate, the first polarizer and/or the second polarizer include structure of polarized light, and structure of polarized light is above
It is discussed in detail, details are not described herein.
Above-mentioned display panel, light successively pass through the first polarizer, first substrate, the second substrate and the second polarizer, most
After show picture.Due to including structure of polarized light in polarizer, at structure of polarized light, refraction effect can occur for light, make vertically to enter
Light is penetrated to side view angular deflection, positive visual angle energy is assigned to side view angle, improves the image quality at side view angle.
In one embodiment, as shown in fig. 6, display panel can be liquid crystal display panel, which includes the
Two polarizers 10, the first polarizer 30, support the second polarizer the second substrate, support the first polarizer first substrate and
The liquid crystal being folded among first substrate and the second substrate, wherein first substrate, the second substrate and be folded in first substrate and
Liquid crystal among two substrates constitutes liquid crystal layer 20.Incident light becomes linearly polarized light after the first polarizer, and liquid crystal layer 20 can be turned round
The polarization direction for turning linearly polarized light passes through linearly polarized light from the second polarizer, to show picture on a display panel.
Second polarizer 10 and/or the first polarizer 30 include structure of polarized light described above.In one embodiment, when inclined
When photo structure is located in the second polarizer, as shown in fig. 7, the second polarizer in addition to comprising above-mentioned structure of polarized light, also includes support
Film 400, anti-reflecting layer 500 and pressure-sensitive adhesive layer 600, wherein support membrane 400 is stacked in light polarizing film, and anti-reflecting layer 500 is stacked at
Top layer on support membrane 400 and positioned at the second polarizer, pressure-sensitive adhesive layer 600 are set on the incidence surface of the first optical compensation films, i.e.,
Second polarizer successively includes pressure-sensitive adhesive layer 600, the first optical compensation films 100, the second optical compensation to light direction from light is entered
Film 200, light polarizing film 300, support membrane 400 and anti-reflecting layer 500, the second polarizer are pasted on the second base by pressure-sensitive adhesive layer 600
On plate.Wherein, the first optical compensation films 100 can be the first uniaxial A- compensation film, and the second optical compensation films 200 can be single for second
Optical axis A- compensation film or uniaxial C- compensation film, different from the refractive index of the second optical compensation films using the first optical compensation films
And while so that vertical incidence light is deflected, the first optical compensation films and the second optical compensation films also constitute double optical axis phases
Compensation film can carry out phase compensation to light, avoid influence of the phase delay to image quality.
In another embodiment, when structure of polarized light is located in the first polarizer, as shown in figure 8, the first polarizer is except packet
Outside containing above-mentioned structure of polarized light, phase compensation film 700, pressure-sensitive adhesive layer 800 also are set comprising successively folding, wherein phase compensation film 700 is folded
In light polarizing film 300, pressure-sensitive adhesive layer 800 is stacked on phase compensation film 700, i.e., the first polarizer is from light is entered to light direction
It successively include the first optical compensation films 100, the second optical compensation films 200, light polarizing film 300, phase compensation film 700 and pressure-sensitive adhesive layer
800.Wherein, phase compensation film 700 is used to carry out phase compensation to light, and pressure-sensitive adhesive layer 800 is for pasting the first polarizer
In on first substrate.In one embodiment, the first polarizer also may include support membrane, and support membrane can be located at the second optical compensation films
Between light polarizing film, can also it fit on the incidence surface of the first optical compensation films.
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.
A kind of display device is also disclosed in the utility model, as shown in figure 9, including backlight module 2 and being placed in backlight module
The display panel 1 of top, wherein display panel 1 includes structure of polarized light described above.Backlight module 2 is used to provide incident light,
The incident light is concentrated on vertical direction in display panel 1 is incident in the range of low-angle, which is smaller than 30 °.It is aobvious
Show that most of light that panel 1 receives is vertical incidence light, since there are the first optical compensation films and the second light in display panel 1
It learns compensation film and the contact surface of the second optical compensation films and the first optical compensation films is formed with bulge-structure, lead at bulge-structure
Vertical incidence light can be deflected by crossing diffraction, so that positive visual angle energy is assigned to side view angle, improve the image quality at side view angle.
The structure of polarizer in display panel is being described above, and details are not described herein again.Wherein, light source can be side in backlight module 20
Enter formula light source, the upper and lower surface of light guide plate is equipped with strip V-groove, the side wall and side entering type light source of light guide plate lower surface V-groove
In parallel, the V-groove of light guide plate upper surface and the V-groove of lower surface are mutually perpendicular to.
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.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (11)
1. a kind of structure of polarized light, which is characterized in that successively include:
First optical compensation films, have first refractive index, first optical compensation films include incidence surface and with the incidence surface
Opposite light-emitting surface is formed with multiple grooves on the light-emitting surface of first optical compensation films；
Second optical compensation films are formed with multiple bulge-structures to match with the groove shapes, size, the bulge-structure
Width be less than or close to incident light wavelength, second optical compensation films fit in first optical compensation films go out light
On face, and the bulge-structure is contained in the groove, second optical compensation films have the second refractive index, described first
Refractive index is greater than second refractive index；
Light polarizing film is set on second optical compensation films.
2. structure of polarized light as described in claim 1, which is characterized in that the width of the bulge-structure is greater than or equal to 300nm,
And it is less than or equal to 1000nm.
3. structure of polarized light as described in claim 1, which is characterized in that the bulge-structure is raised for strip, and the length
Strip bulge structure is arranged side by side.
4. structure of polarized light as described in claim 1, which is characterized in that the bulge-structure is arranged in two-dimensional matrix array, and
The length and width of the bulge-structure be respectively less than or close to incident light wavelength.
5. structure of polarized light as described in claim 1, which is characterized in that the bulge-structure is in periodic arrangement.
6. structure of polarized light as described in claim 1, which is characterized in that the light polarizing film has penetrating shaft, first optics
Compensation film is uniaxial A- compensation film, and the optical axis of the uniaxial A- compensation film is parallel with the penetrating shaft, the first refractive
Rate is the abnormal refraction rate of the A- compensation film, and second optical compensation films are uniaxial C- compensation film, the uniaxial C-
The optical axis of compensation film is vertical with the penetrating shaft, and second refractive index is the normal refractive index of the C- compensation film.
7. structure of polarized light as described in claim 1, which is characterized in that the structure of polarized light further includes support membrane, the support
Film is stacked on the incidence surface of first optical compensation films.
8. structure of polarized light as described in claim 1, which is characterized in that the structure of polarized light further includes support membrane, the support
Film is set between second optical compensation films and the light polarizing film.
9. a kind of structure of polarized light characterized by comprising
First optical compensation films, have first refractive index, first optical compensation films include incidence surface and with the incidence surface
Opposite light-emitting surface is formed with multiple grooves on the light-emitting surface of first optical compensation films；
Second optical compensation films are formed with multiple bulge-structures to match with the groove shapes, size, the bulge-structure
Width be less than or close to incident light wavelength, the bulge-structure be in periodic arrangement, the center spacing of adjacent protrusion structure
Less than or equal to the opening width of single pixel, second optical compensation films fit in the light out of first optical compensation films
On face, and the bulge-structure is contained in the groove, second optical compensation films have the second refractive index, described first
Refractive index is greater than second refractive index；
Light polarizing film is set on second optical compensation films.
10. a kind of display panel, comprising:
First substrate, the first substrate include incident side and light emission side；
The second substrate, positioned at the first substrate light emission side and be oppositely arranged with the first substrate；
First polarizer is formed in the side for deviating from the second substrate on the first substrate；
Second polarizer is formed in the side for deviating from the first substrate in the second substrate；
It is characterized in that,
First polarizer and/or the second polarizer include the described in any item structure of polarized light of claim 1 to 9.
11. a kind of display device, comprising:
Backlight module, for providing incident light；
Display panel is placed in above the backlight module, for receiving the incident light and showing picture；
It is characterized in that, the display panel is display panel described in any one of claim 10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821625260.8U CN208721949U (en) | 2018-09-30 | 2018-09-30 | polarizing structure, display panel and display device |
| PCT/CN2018/119290 WO2020062568A1 (en) | 2018-09-30 | 2018-12-05 | Polarizing structure and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821625260.8U CN208721949U (en) | 2018-09-30 | 2018-09-30 | polarizing structure, display panel and display device |
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| CN208721949U true CN208721949U (en) | 2019-04-09 |
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| CN201821625260.8U Active CN208721949U (en) | 2018-09-30 | 2018-09-30 | polarizing structure, display panel and display device |
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| WO (1) | WO2020062568A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426771A (en) * | 2019-07-12 | 2019-11-08 | 昆山工研院新型平板显示技术中心有限公司 | The manufacturing method of polaroid, display panel and polaroid |
| CN111739413A (en) * | 2020-06-03 | 2020-10-02 | Oppo广东移动通信有限公司 | Terminal device, flexible screen and flexible display substrate |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3467246B2 (en) * | 2000-11-10 | 2003-11-17 | Ｎｅｃ液晶テクノロジー株式会社 | Reflective liquid crystal display |
| WO2014000371A1 (en) * | 2012-06-29 | 2014-01-03 | 京东方科技集团股份有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN105182461B (en) * | 2015-09-22 | 2019-04-05 | 昆山龙腾光电有限公司 | Polarizer and display panel structure and display device |
| CN105182613A (en) * | 2015-10-29 | 2015-12-23 | 京东方科技集团股份有限公司 | Optical structure, display substrate and display device |
| CN206057742U (en) * | 2016-08-25 | 2017-03-29 | 河源中光电通讯技术有限公司 | A kind of liquid crystal display module |
| CN106842682A (en) * | 2017-03-03 | 2017-06-13 | 京东方科技集团股份有限公司 | Optical film material and preparation method thereof, display base plate, display device |
-
2018
- 2018-09-30 CN CN201821625260.8U patent/CN208721949U/en active Active
- 2018-12-05 WO PCT/CN2018/119290 patent/WO2020062568A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426771A (en) * | 2019-07-12 | 2019-11-08 | 昆山工研院新型平板显示技术中心有限公司 | The manufacturing method of polaroid, display panel and polaroid |
| CN111739413A (en) * | 2020-06-03 | 2020-10-02 | Oppo广东移动通信有限公司 | Terminal device, flexible screen and flexible display substrate |
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| Publication number | Publication date |
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| WO2020062568A1 (en) | 2020-04-02 |
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