CN109407366A - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
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- CN109407366A CN109407366A CN201811631504.8A CN201811631504A CN109407366A CN 109407366 A CN109407366 A CN 109407366A CN 201811631504 A CN201811631504 A CN 201811631504A CN 109407366 A CN109407366 A CN 109407366A
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- liquid crystal
- inclined surface
- optical film
- display device
- crystal module
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- 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
- G02F1/1323—Arrangements for providing a switchable viewing angle
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention discloses a kind of liquid crystal display device, the liquid crystal display device includes backlight assembly, Liquid crystal module and microstructured optical film, the microstructured optical film is set to the upper surface of the Liquid crystal module, the light that the backlight assembly projects injects the Liquid crystal module and microstructured optical film along the direction perpendicular or close to the extending direction perpendicular to the Liquid crystal module, and the microstructured optical film will inject into the diverging of the incident ray in it and project.Liquid crystal display device of the present invention has the advantages that visible angle is wide and good contrast.
Description
Technical field
The present invention relates to technical field of liquid crystal display, in particular to a kind of liquid crystal display device.
Background technique
Liquid crystal display is current most common flat panel display, be widely used in TV, mobile phone, it is vehicle-mounted, industrial and
The every field such as medical treatment.The principle of liquid crystal display is mainly the birefringence effect according to liquid crystal molecule, and modulated polarized light penetrates
Rate, to realize that light and shade is shown, there is relationship in the birefringence effect of liquid crystal molecule and the direction of incident light.Existing liquid crystal display dress
It sets including liquid crystal cell (one layer of liquid crystal of upper and lower two panels glass clamp, referred to as liquid crystal cell) and backlight module, backlight module is sent out to liquid crystal cell
Light is penetrated, since the optical path difference of light is different, causes the penetrance of polarised light not identical, vertically incidence liquid crystal cell is inclined
The penetrance of vibration light is minimum (close to 0, referred to as dark-state), and along inclined direction the polarization light transmittance of incident liquid crystal cell is not
0, light leakage phenomena occurs, causes the contrast of liquid crystal display device to decline, visible angle narrows, and the use for not being able to satisfy user is wanted
It asks.
Summary of the invention
The main object of the present invention is to propose a kind of liquid crystal display device, it is intended to solve liquid crystal display device in the prior art
The narrow problem of visible angle.
To achieve the above object, liquid crystal display device proposed by the present invention includes backlight assembly, Liquid crystal module and micro- knot
Structure optical film, the microstructured optical film are set to the upper surface of the Liquid crystal module, the light edge that the backlight assembly projects
The Liquid crystal module and microstructured optical film are injected perpendicular or close to the direction of the extending direction perpendicular to the Liquid crystal module,
The microstructured optical film will inject into the diverging of the incident ray in it and project.
Preferably, the plane of incidence of the microstructured optical film is attached at the upper surface of the Liquid crystal module, the micro-structure
Exit facet on optical film away from the Liquid crystal module is formed with multiple diverging faces, and the diverging face is by the incident ray along the
One direction and second direction project, and the first direction perpendicular to the extending direction of the Liquid crystal module, incline by the second direction
Tiltedly in the extending direction of the Liquid crystal module.
Preferably, the liquid crystal cell includes multiple pixel units, and the microstructured optical film includes multiple microstructure units,
The pixel unit is consistent with the quantity of the microstructure unit and corresponds arrangement, deviates from institute on each microstructure unit
The exit facet for stating Liquid crystal module is formed with the diverging face.
Preferably, the diverging face includes horizontal plane and at least one inclined surface, and the inclined surface is along far from the liquid crystal
The direction of component is arranged in flaring, and the horizontal plane projects the incident ray along the first direction, and the inclined surface will
The incident ray is projected along the second direction.
Preferably, the diverging face include two inclined surface, two inclined surface be respectively the first inclined surface and
Second inclined surface, first inclined surface and second inclined surface are divided into the two sides of the horizontal plane, and described first inclines
Inclined-plane is tilted towards the side of the Liquid crystal module, and second inclined surface is tilted towards the other side of the Liquid crystal module.
Preferably, the diverging face include an inclined surface, the inclined surface towards the Liquid crystal module side or
Other side inclination.
Preferably, the concave curved surface in the diverging face, the protrusion side of the concave curved surface is towards the Liquid crystal module.
Preferably, multiple microstructure units are arranged in array, and two microstructure unit patches of arbitrary neighborhood
Tight setting.
Preferably, the microstructured optical film is made of anisotropic material.
Preferably, the backlight assembly includes light source component, supporting element and optical film group, and the light source component is mounted on the branch
In support member, and the light source component is located at the lower section or side of the optical film group, and the optical film group projects the light source component
Light inject the Liquid crystal module and micro- knot along the direction perpendicular or close to the extending direction perpendicular to the Liquid crystal module
Structure optical film.
In this liquid crystal display device of the present invention, microstructured optical film and liquid crystal module are from top to bottom cascading.Back
Optical assembly projects light towards Liquid crystal module, which penetrates along the direction perpendicular or close to the extending direction perpendicular to Liquid crystal module
Enter Liquid crystal module and microstructured optical film, avoids that light leakage phenomena occurs, improve the contrast of liquid crystal display device, and micro-structure light
Film can will inject into the light in it and diverge to come along different directions, expanded the visible angle of liquid crystal display device, made liquid crystal
The visible angle of display device broadens, and meets the requirement of user.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the invention liquid crystal display device;
Fig. 2 is the structural schematic diagram of microstructure unit in Fig. 1;
Fig. 3 is the schematic diagram of light refraction law;
Fig. 4 is the structural schematic diagram of another embodiment of the present invention liquid crystal display device;
Fig. 5 is the structural schematic diagram of microstructure unit in Fig. 4.
Drawing reference numeral explanation:
Label | Title | Label | Title |
100 | Liquid crystal display device | 2 | Upper polaroid |
10 | Liquid crystal module | 3 | Liquid crystal cell |
1 | Microstructured optical film | 31 | Pixel unit |
11 | Microstructure unit | 4 | Down polaroid |
12 | Diverging face | 20 | Backlight assembly |
121 | Horizontal plane | 5 | Light source component |
122 | Inclined surface | 6 | Supporting element |
122a | First inclined surface | 7 | Optical film group |
122b | Second inclined surface |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
It with orientation shown in Fig. 1 and Fig. 4 is for base to the description in the orientation such as "upper", "lower", "left", "right" in the present invention
Standard is only used for explaining the relative positional relationship under the posture shown in Fig. 1 and Fig. 4 between each component, if the particular pose occurs
When change, then directionality instruction also correspondingly changes correspondingly.
As shown in Figures 1 to 5, the present invention proposes that a kind of liquid crystal display device 100, liquid crystal display device 100 include backlight
Component 20 and Liquid crystal module 10.It is to be appreciated that Liquid crystal module 10 includes liquid crystal cell 3, upper polaroid 2, down polaroid 4, it is upper inclined
Mating plate 2 is set to the upper surface of liquid crystal cell 3, and down polaroid 4 is set to the lower surface of liquid crystal cell 3, and backlight assembly 20 is located at lower inclined
The lower section of mating plate 4.Liquid crystal display device 100 further includes microstructured optical film 1, and microstructured optical film 1 is set to Liquid crystal module 10
Upper surface, specifically, microstructured optical film 1 is set to the upper surface of upper polaroid 2, and the light that backlight assembly 20 projects is along hanging down
Directly in or be approximately perpendicular to the direction of extending direction of Liquid crystal module 10 and inject Liquid crystal module 10 and microstructured optical film 1, micro- knot
Structure optical film 1 can will inject into the diverging of the incident ray in it and project.
In the present embodiment liquid crystal display device 100, microstructured optical film 1, upper polaroid 2, liquid crystal cell 3 and down polaroid
4 are from top to bottom cascading.Backlight assembly 20 projects light towards Liquid crystal module 10, and the light is along perpendicular or close to vertical
Liquid crystal module 10 and microstructured optical film 1 are injected in the direction of the extending direction of Liquid crystal module 10, avoids that light leakage phenomena occurs, mentions
The contrast of high liquid crystal display device 100.The following contents will be along perpendicular or close to the extending direction perpendicular to Liquid crystal module 10
Direction inject the light of Liquid crystal module 10 and microstructured optical film 1 and be described as vertical light, inject in microstructured optical film 1
Incident ray is vertical light.Backlight assembly 20 project be vertical light, the vertical light sequentially pass through down polaroid 4,
It is injected in microstructured optical film 1 after liquid crystal cell 3 and upper polaroid 2, microstructured optical film 1 can will inject into the vertical light in it
Diverging is projected, i.e., microstructured optical film 1 can will inject into the vertical light in it and diverge to come along different directions, has expanded liquid crystal
The visible angle of showing device 100 makes the visible angle of liquid crystal display device 100 broaden, and meets the requirement of user.This implementation
Example liquid crystal display device 100 has the advantages that visible angle is wide and good contrast.
It is to be appreciated that vertical light refers to perpendicular or close to the extension perpendicular to Liquid crystal module 10 in the present embodiment
The light in direction, in the present embodiment, the extending direction of Liquid crystal module 10 is left and right directions shown in Fig. 1 and Fig. 4, perpendicular to
Or being approximately perpendicular to the direction of the extending direction of Liquid crystal module 10 is up and down direction shown in Fig. 1 and Fig. 4.The present embodiment
In, it is approximately perpendicular to the direction of the extending direction of Liquid crystal module 10 and perpendicular between the direction of the extending direction of Liquid crystal module 10
Angle can be within 5 °.Dotted arrow indicates light in Fig. 1 and Fig. 4.
Specifically, the plane of incidence of the microstructured optical film 1 of the present embodiment is attached at the upper surface of upper polaroid 2, micro-structure
Exit facet on optical film 1 away from upper polaroid 2 is formed with multiple diverging faces 12, dissipates face 12 for incident ray along first direction
It is projected with second direction, for first direction perpendicular to the extending direction of Liquid crystal module 10, second direction favours Liquid crystal module 10
Extending direction.The Liquid crystal module 10 of the present embodiment is horizontally extending, and first direction is vertical direction.Horizontal direction is Fig. 1
With left and right directions shown in Fig. 4, first direction is up and down direction shown in Fig. 1 and Fig. 4, and second direction is between level side
To the direction between vertical direction, i.e., acute angle is formed between second direction and horizontal direction.
The plane of incidence that the light projected from upper polaroid 2 vertically passes through microstructured optical film 1 injects micro-structure light
It learns in film 1, due to the effect in multiple diverging faces 12 on the exit facet of microstructured optical film 1, a part of incident ray passes through diverging
It is projected behind face 12 along first direction, another part incident ray projects in a second direction after passing through diverging face 12, to realize to entering
Penetrate the disperse function of light.
In the present embodiment, liquid crystal cell 3 includes multiple pixel units 31, and microstructured optical film 1 includes multiple microstructure units
11, pixel unit 31 is consistent with the quantity of microstructure unit 11 and corresponds arrangement, away from upper inclined on each microstructure unit 11
The exit facet of mating plate 2 is formed with diverging face 12.
It should be noted that as shown in Figure 1 and Figure 4, multiple pixel units 31 of the present embodiment may include red pixel unit,
Green pixel cell and blue pixel unit, wherein red pixel unit, green pixel cell and blue pixel unit are in be repeated cyclically mode
Arrangement, to realize different colours picture.The quantity of pixel unit 31 is consistent with the quantity of microstructure unit 11, and micro-structure list
Member 11 is corresponded with microstructure unit 11 and is arranged, i.e., each corresponding microstructure unit 11 of pixel unit 31, and design is reasonable.This
In embodiment, multiple microstructure units 11 are arranged in array, and two microstructure units 11 of arbitrary neighborhood become placed against, and are realized
Comprehensive diverging of incident ray, so that picture color is uniform.
As shown in figure 3, in the substance boundary of different refractivity light will occur for light according to the basic optical law of refraction
Refraction, the direction of propagation of light will change, it is shown in Fig. 3 be light from the medium that refractive index is n to air, (refractive index is about
For 1) middle the case where propagating, wherein sini/sin θ=n, n > 1, i > θ.
In the present embodiment, diverging face 12 includes horizontal plane 121 and at least one inclined surface 122, and inclined surface 122 is along far from upper
The direction of polaroid 2 is arranged in flaring, and horizontal plane 121 projects incident ray along first direction, and inclined surface 122 is by incident ray
It projects in a second direction.A part of incident ray inside microstructure unit 11 is injected from water from the plane of incidence of microstructure unit 11
Plane 121 vertically projects, and another part incident ray reflects at inclined surface 122, and penetrates in a second direction after refraction
Out, the visible angle of liquid crystal display device 100 has been expanded in the diverging for realizing light, makes the visible angle of liquid crystal display device 100
It broadens.
In one embodiment, diverging face 12 includes two inclined surface 122, and two inclined surface 122 are respectively the first inclined surface
122a and the second inclined surface 122b, the first inclined surface 122a and the second inclined surface 122b are divided into the two sides of horizontal plane 121, and
One inclined surface 122a is tilted towards the side of Liquid crystal module 10, and the second inclined surface 122b is tilted towards the other side of Liquid crystal module 10.Tool
Body, as depicted in figs. 1 and 2, the first inclined surface 122a are connected to the left side of horizontal plane 121, and the first inclined surface 122a is towards liquid
The left side of brilliant component 10, the i.e. left end of the first inclined surface 122a are higher than the right end of the first inclined surface 122a;Second inclined surface
122b is connected to the right side of horizontal plane 121, and the second inclined surface 122b is tilted towards the right side of Liquid crystal module 10, i.e. the second inclined surface
The right end of 122b is higher than the left end of the second inclined surface 122b.It is injected inside microstructure unit 11 from the plane of incidence of microstructure unit 11
A part of incident ray vertically projected from horizontal plane 121, a part of incident ray reflects at the first inclined surface 122a,
It is projected along upper left side direction, some incident ray occurs to reflect and penetrate along upper right side direction at the second inclined surface 122b
Out, light obtains dissipating to a high degree, so that the visible angle of liquid crystal display device 100 effectively broadens.
In the present embodiment, the angle that the first inclined surface 122a and horizontal plane 121 are formed is α, the second inclined surface 122b and water
The angle that plane 121 is formed is β, and the size of α and β angle and the refractive index of microstructure unit 11 can be selected according to the actual situation
It selects, and α can be equal with β, can also be unequal, to adjust the visible angle range of liquid crystal display device 100.
In order to meet special requirement, in another embodiment, diverging face 12 may include an inclined surface 122, the inclination
Face 122 can be tilted towards the side of Liquid crystal module 10, can also be tilted towards the other side of Liquid crystal module 10.Specifically, should
Inclined surface 122 can be located at the left or right side of horizontal plane 121, should when the inclined surface 122 is located at the left side of horizontal plane 121
Inclined surface 122 is equivalent to above-mentioned first inclined surface 122a;When the inclined surface 122 is located at the right side of horizontal plane 121, the inclined surface
122 are equivalent to above-mentioned second inclined surface 122b, so that liquid crystal display device 100 is only visual on a direction wherein, it is fixed to realize
To observation.
As shown in Figure 4 and Figure 5, in other embodiments, the concave curved surface in face 12, the protrusion side direction of concave curved surface are dissipated
Upper polaroid 2, so that dissipating face 12 similar to a concavees lens, since concavees lens are to the diverging property of light, from microstructure unit
11 plane of incidence is injected the light inside microstructure unit 11 and is projected by the directional divergence after concave curved surface as shown in Figure 4, hair
It is related with the refractive index of the radius of curvature of the concave curved surface and microstructure unit 11 to dissipate direction, it can be by concave curved surface
The adjustment of radius of curvature and the refractive index of microstructure unit 11 adjusts the visible angle range of liquid crystal display device 100.
The microstructured optical film 1 of the present embodiment is made of anisotropic material, and diverging face 12 can make to go out with liquid crystal cell 3
The identical polarised light in polarization direction for penetrating light penetrates, and dissipating face 12 can be by the polarization direction of the emergent ray with liquid crystal cell 3
Different polarised light is reflected back liquid crystal cell 3, improves the light utilization efficiency and contrast of liquid crystal display device 100.The present embodiment
Microstructured optical film 1 quartz or the materials such as mica in the prior art can be used be made, microstructured optical film 1 can be used as one
A independent transparent optical film, can also be attached on other optical films, such as upper polaroid 2, form complex optical film.
In the present embodiment, backlight assembly 20 includes light source component 5, supporting element 6 and optical film group 7, and optical film group 7 includes at least
One layer of bright enhancement film, light source component 5 are mounted on supporting element 6, and light source component 5 is located at the lower section or side of optical film group 7, optical film group
The light that light source component 5 projects can be injected Liquid crystal module 10 and microstructured optical film 1 along the direction perpendicular to Liquid crystal module 10 by 7.
The light source component 5 of the present embodiment can use LED light in the prior art.LED light projects light, light towards optics module
Liquid crystal module 10 and micro-structure light can be injected along the direction perpendicular to Liquid crystal module 10 for the light that light source component 5 projects by learning film group 7
Film 1 is learned, guarantees that the light transmittance of liquid crystal cell 3 is identical or close to identical, avoids light leakage phenomena.The optical film group 7 of the present embodiment
The prior art can be used.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all in the present invention
Inventive concept under, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/be used in it indirectly
He is included in scope of patent protection of the invention relevant technical field.
Claims (10)
1. a kind of liquid crystal display device, which is characterized in that the liquid crystal display device includes backlight assembly, Liquid crystal module and micro-
Feature optical film, the microstructured optical film are set to the upper surface of the Liquid crystal module, the light that the backlight assembly projects
The Liquid crystal module and Microstructure Optics are injected along the direction perpendicular or close to the extending direction perpendicular to the Liquid crystal module
Film, the microstructured optical film will inject into the diverging of the incident ray in it and project.
2. liquid crystal display device as described in claim 1, which is characterized in that the plane of incidence of the microstructured optical film is attached at
The upper surface of the Liquid crystal module, the exit facet on the microstructured optical film away from the Liquid crystal module are formed with multiple divergings
Face, the diverging face project the incident ray along first direction and second direction, and the first direction is perpendicular to the liquid
The extending direction of brilliant component, the second direction favour the extending direction of the Liquid crystal module.
3. liquid crystal display device as claimed in claim 2, which is characterized in that the liquid crystal cell includes multiple pixel units, institute
Stating microstructured optical film includes multiple microstructure units, and the pixel unit is consistent with the quantity of the microstructure unit and one by one
Corresponding to arrange, the exit facet on each microstructure unit away from the Liquid crystal module is formed with the diverging face.
4. liquid crystal display device as claimed in claim 3, which is characterized in that the diverging face includes horizontal plane and at least one
Inclined surface, the inclined surface is along the direction far from the Liquid crystal module in flaring setting, and the horizontal plane is by the incident ray
It is projected along the first direction, the inclined surface projects the incident ray along the second direction.
5. liquid crystal display device as claimed in claim 4, which is characterized in that the diverging face includes two inclined surface,
Two inclined surface are respectively the first inclined surface and the second inclined surface, and first inclined surface and second inclined surface are set up separately
In the two sides of the horizontal plane, and first inclined surface is tilted towards the side of the Liquid crystal module, the second inclined surface court
The other side of the Liquid crystal module tilts.
6. liquid crystal display device as claimed in claim 4, which is characterized in that the diverging face includes an inclined surface,
The inclined surface is tilted towards the side of the Liquid crystal module or the other side.
7. liquid crystal display device as claimed in claim 3, which is characterized in that the concave curved surface in diverging face, the spill
The protrusion side of curved surface is towards the Liquid crystal module.
8. liquid crystal display device as claimed in claim 2, which is characterized in that multiple microstructure units are arranged in array,
And two microstructure units of arbitrary neighborhood become placed against.
9. liquid crystal display device as claimed in claim 2, which is characterized in that the microstructured optical film uses anisotropy material
Material is made.
10. liquid crystal display device as claimed in any one of claims 1-9 wherein, which is characterized in that the backlight assembly includes light
Source part, supporting element and optical film group, the light source component are mounted on the supporting element, and the light source component is located at the optical film
The lower section or side of group, the light that the optical film group projects the light source component is along perpendicular or close to perpendicular to the liquid crystal
The Liquid crystal module and microstructured optical film are injected in the direction of the extending direction of component.
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CN113156695A (en) * | 2021-04-06 | 2021-07-23 | Tcl华星光电技术有限公司 | Visual angle diffusion film and display panel |
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