CN106772709A - A kind of preparation method of display device and optical thin film therein - Google Patents

A kind of preparation method of display device and optical thin film therein Download PDF

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Publication number
CN106772709A
CN106772709A CN201710025836.0A CN201710025836A CN106772709A CN 106772709 A CN106772709 A CN 106772709A CN 201710025836 A CN201710025836 A CN 201710025836A CN 106772709 A CN106772709 A CN 106772709A
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thin film
optical thin
hole
display device
plane
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CN106772709B (en
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郭远辉
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BOE Technology Group Co Ltd
Hefei BOE Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Hefei BOE Optoelectronics Technology Co Ltd
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10Optical coatings produced by application to, or surface treatment of, optical elements
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03FPHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/0015Production of aperture devices, microporous systems or stamps

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

The embodiment of the invention discloses a kind of display device and the preparation method of optical thin film therein.In the program, due to being provided with the pore space structure with the consistent through hole of incline direction in the body of optical thin film, at least include two incline directions in all groups of pore space structures, the direction of the light of the refractive index control corresponding sub-pixel of the body of the incline direction, shape and optical thin film of through hole can be combined, preferably spectrophotometric result is reached, beneficial to the problem for improving big visual angle perception difference;Meanwhile, display panel is such as carried out the division and display of right and left eyes pixel, it is possible to achieve preferably bore hole 3D and double vision effect;In addition optical thin-film structure is simple, corresponding process is simple.

Description

A kind of preparation method of display device and optical thin film therein
Technical field
The present invention relates to display technology field, more particularly to a kind of display device and optical thin film therein preparation side Method.
Background technology
Current most display device belongs to FPD, and TFT-LCD panels and oled panel are regarded because its is good Angle and lower power consumption, are widely used in flat display field.
Current display device, all has that side-looking angular brightness is relatively low or contrast (Contrast Ratio, CR) is relatively low Phenomenon, it is possible to use different optical thin films, by the refraction effect of light, both sides is distributed to by the light at middle visual angle, can be very Improve the phenomenon of both sides visual angle perception difference well, gradually improve the phenomenon of the big visual angle perception difference of display product at present.But, mesh It is difficult to the oriented control light direction of propagation, the problem to big visual angle perception difference improves limited to preceding utilized optical thin film, and The manufacture craft of some optical thin films is also complex, than if desired for the optical thin film for making liquid crystal layer.
The content of the invention
The purpose of the embodiment of the present invention is to provide the preparation method of a kind of display device and optical thin film therein, for solving Certainly existing optical thin film improves limited to the problem of big visual angle perception difference, and some optical thin films manufacture craft also more Complicated problem.
The purpose of the embodiment of the present invention is achieved through the following technical solutions:
A kind of display device, including display panel, be arranged on display panel in matrix distribution multiple sub-pixels and set It is placed in the optical thin film of the light emission side of display panel;The body of the optical thin film is provided with multigroup hole knot of matrix distribution Structure;Every group of described hole structure corresponds to a sub-pixel and sets;Wherein, every group of described hole structure has relatively described optics The consistent through hole in planar tilt direction where the body of film, the opening of the through hole gradually increases from incident side to light emission side, In the side directions along display device, on the section of the body of the optical thin film, the first side wall of the through hole with The angle of plane where the body of optical thin film, less than the second sidewall of the through hole and plane where the body of optical thin film Angle;At least include two incline directions in all groups of described hole structures.
It is preferred that in multigroup described hole structure of a line, through hole described in two groups of adjacent described hole structures Incline direction is different.
It is preferred that in multigroup described hole structure of a line, through hole described in two groups of adjacent described hole structures Incline direction, relative to plane symmetry where the body of the optical thin film.
It is preferred that the first side wall is more than 0 degree with the scope of the size of the angle of plane where the body of optical thin film And no more than 60 degree, the second sidewall is not less than 85 degree with the scope of the size of the angle of plane where the body of optical thin film And no more than 90 degree.
It is preferred that the cross sectional shape of plane is circle, rectangle, water chestnut where the body parallel to optical thin film of the through hole Shape.
It is preferred that being 0.5 μm~5 μm in the size of the diameter of incident side when the cross sectional shape of the through hole is for circle;
It it is 0.5 μm~5 μm in the scope of the length of side of incident side when the cross sectional shape of the through hole is rectangle;
It it is 0.5 μm~5 μm in the scope of the length of side of incident side when the cross sectional shape of the through hole is rhombus.
It is preferred that the material of the optical thin film is photoactive material.
It is preferred that the material of the optical thin film is polymetylmetacrylate, polyimides.
It is preferred that the display device also includes backlight, display described in the light vertical incidence that the backlight sends Panel.
It is preferred that the display device is additionally included in the polaroid that the light emission side of the display panel is set along light direction And glass cover-plate;
The optical thin film is located between the display panel and the polaroid;
Or the optical thin film is located between the polaroid and the glass cover-plate;
Or the optical thin film is located at side of the glass cover-plate away from the polaroid.
A kind of preparation method of the optical thin film in display device, including:
The optical thin film polymeric material of a flood is formed on substrate;
Plane where the substrate relatively be arranged in parallel different mask plates and respectively in Relative light intensity direction difference respectively Incline direction under be exposed;Wherein, mask plate has the through hole of multigroup pore space structure of same incline direction Patterns of openings;
Optical thin film to being obtained after exposure develops, and is in matrix distribution to be formed in the body of the optical thin film Multigroup pore space structure;Wherein, every group of described hole structure corresponds to a sub-pixel and sets;Every group of described hole structure has The consistent through hole in planar tilt direction where the body of relatively described optical thin film, the opening of the through hole is from incident side to light extraction Side gradually increases, in the side directions along display device, on the section of the body of the optical thin film, the through hole The angle of plane where the body of the first side wall and optical thin film, less than the second sidewall and the body of optical thin film of the through hole The angle of place plane;And at least include two incline directions in all groups of described hole structures.
It is preferred that the substrate is color membrane substrates.
The embodiment of the present invention has the beneficial effect that:
In the preparation method of display device provided in an embodiment of the present invention and optical thin film therein, due to optical thin film The pore space structure with the consistent through hole of incline direction is provided with body, two are at least included in all groups of described hole structures Incline direction, can combine the refractive index control corresponding sub-pixel of the body of the incline direction, shape and optical thin film of through hole The direction of light, reaches preferably spectrophotometric result, beneficial to the problem for improving big visual angle perception difference;Meanwhile, such as display panel is carried out The division and display of right and left eyes pixel, it is possible to achieve preferably bore hole 3D and double vision effect;In addition optical thin-film structure is simple, phase The process is simple answered.
Brief description of the drawings
Fig. 1 a are a kind of structural representation of display device provided in an embodiment of the present invention;
Fig. 1 b are a kind of structural representation of optical thin film provided in an embodiment of the present invention;
Fig. 2 is a kind of schematic top plan view of the structure of optical thin film provided in an embodiment of the present invention;
Fig. 3 is the preparation method flow chart of the optical thin film in a kind of display device provided in an embodiment of the present invention;
Fig. 4 is a kind of structural representation of mask plate provided in an embodiment of the present invention;
Fig. 5 is the structural representation of another mask plate provided in an embodiment of the present invention;
Structural representation when Fig. 6 is one flood optical thin film polymeric material of preparation provided in an embodiment of the present invention;
Fig. 7 is schematic diagram when first mask plate of use provided in an embodiment of the present invention exposes;
Fig. 8 is schematic diagram when second mask plate of use provided in an embodiment of the present invention exposes.
Specific embodiment
In order to solve the above technical problems, the embodiment of the present invention provides the system of a kind of display device and optical thin film therein Preparation Method.A kind of display device provided in an embodiment of the present invention, including display panel, be arranged on display panel be in matrix distribution Multiple sub-pixels and be arranged at display panel light emission side optical thin film;The body of optical thin film is provided with matrix distribution Multigroup pore space structure;Every group of pore space structure corresponds to a sub-pixel and sets;Wherein, every group of pore space structure has opposing optical The consistent through hole in planar tilt direction where the body of film, the opening of through hole gradually increases from incident side to light emission side, on edge The side directions of display device, on the section of the body of optical thin film, the first side wall of through hole and the sheet of optical thin film The angle of plane where body, less than the angle of the body place plane of the second sidewall and optical thin film of through hole;And all groups At least include two incline directions in pore space structure.
Wherein, in the side directions along display device, on the section of the body perpendicular to optical thin film, through hole has two Side wall, wherein, the opening of through hole light emission side to side wall be the first side wall, the opening of through hole incident side to side wall It is second sidewall.
Wherein, the incline direction of through hole refers to the folder of the bearing of trend with the bearing of trend of second sidewall of above-mentioned the first side wall Direction where the angular bisector at angle.
In the embodiment of the present invention, due to being provided with the hole with the consistent through hole of incline direction in the body of optical thin film Structure, at least includes two incline directions in all groups of pore space structures, can combine the incline direction of through hole, shape with it is optically thin The direction of the light of the refractive index control corresponding sub-pixel of the body of film, reaches preferably spectrophotometric result, is seen beneficial to big visual angle is improved Feel the problem of difference;Meanwhile, display panel is such as carried out the division and display of right and left eyes pixel, it is possible to achieve preferably bore hole 3D and Double vision effect;In addition optical thin-film structure is simple, corresponding process is simple.
It should be noted that in the embodiment of the present invention, the quantity and journey of the incline direction of the through hole in each group pore space structure Degree, the effect that can be reached according to actual needs is configured.
Below by taking a specific structure as an example, it is described in detail with reference to accompanying drawing.
As illustrated in figs. 1A and ib, a kind of display device provided in an embodiment of the present invention, including display panel 001, setting (the first sub-pixel 002, the second sub- picture are illustrated in Fig. 1 a in the sub-pixel of matrix distribution in the multiple on display panel 001 Element 003, the 3rd 004 3 kinds of the sub-pixel sub-pixel of color) and be arranged at display panel 001 light emission side optical thin film 005; The body of optical thin film 005 is provided with multigroup pore space structure of matrix distribution;Every group of pore space structure 051 corresponds to a sub- picture Element is set;Wherein, every group of pore space structure has the consistent through hole in planar tilt direction where the body of opposing optical film 005 052, the opening of through hole 052 gradually increases from incident side to light emission side, in the side directions along display device, perpendicular to optically thin On the vertical section of the body of film, the angle of the first side wall of through hole 052 and plane where the body of optical thin film 005It is small In the angle of the body place plane of the second sidewall and optical thin film 005 of through hole 052And wrapped in all groups of pore space structures Include two incline directions.
Find out from Fig. 1 b, for the through hole being tilted to the left, the first side wall is in the left side of second sidewall;For being tilted to the right Through hole, the first side wall is on the right side of second sidewall.Wherein, the incline direction of through hole refers to just extension where above-mentioned the first side wall Direction where direction A and second sidewall where the angular bisector C of the angle of bearing of trend B.
Corresponding sub-pixel is controlled to the refractive index for combining the body of the incline direction, shape and optical thin film of through hole below The principle in the direction of light is illustrated:
Preferably, it is air at the through hole 052 of optical thin film 005, and the substrate material of the body of optical thin film 005 is (i.e. Grey fills part) it is more than the material of air for refractive index, will be on optical thin film and the boundary of air from the light of sub-pixel outgoing Reflected at face, arrow illustrates the exit direction into the light of optical thin film in Fig. 1 a.Due to opening for through hole incident side Mouthful smaller, the most of body via optical thin film of light is incident, and the first side wall bearing of trend A and optical thin film 005 The angle of plane where bodyIt is smaller, the angle of the bearing of trend B of second sidewall and plane where the body of optical thin film 005It is larger:For the through hole being tilted to the left, the light of plane vertical incidence, arrives where the body of opposing optical film 005 Reflected behind interface where up to the first side wall in left side, because light is to enter optically thinner medium from optically denser medium, light can be to It is left that larger deviation occurs, reflected behind interface where the second sidewall on the right side of arrival, because light is entered from optically thinner medium Enter optically denser medium, light can to the right occur less deviation, but the light acted on by the first side wall is relative to second sidewall The light for being acted on is more, thus, on the whole, the through hole being tilted to the left so that light outgoing to the left.Similarly, for Right deviation For oblique through hole, the light of plane vertical incidence, the first side wall institute on the right side of arrival where the body of opposing optical film 005 Reflected behind interface, because light is to enter optically thinner medium from optically denser medium, light can to the right occur larger deviation, arrive Reflected behind interface where up to the second sidewall in left side, because light is to enter optically denser medium from optically thinner medium, light can be to It is left that less deviation occurs, and by the light that the first side wall is acted on is more relative to the light that second sidewall is acted on, because And, on the whole, the through hole being tilted to the right so that light outgoing to the right.Therefore, the hole of the optical thin film based on the embodiment of the present invention Hole structure, as long as incline direction, shape according to through hole, suitable optical film materials is selected according to required refractive index, so that it may Easily to control light direction.
During specific implementation, for the effect further up to preferably left and right light splitting, control light is reached in different eyes, compared with Goodly, in multigroup pore space structure of a line, the incline direction of through hole is different in two groups of adjacent pore space structures.It is preferred that such as Shown in Fig. 1 b, with multigroup pore space structure of a line in, the incline direction of through hole in two groups of adjacent pore space structures, relative to optics Plane symmetry where the body of film.Two incline directions of the through hole shown in Fig. 1 b, one is tilted to the right, and one inclines to the left Tiltedly, the angle with the body of optical thin film is allBecause the incline direction of through hole is easily controlled, it is attainable with The scope of the angle of plane is larger where the body of optical thin film, and the degree that light is distributed into both sides is larger, that is to say, that can be with Side-looking angular brightness is improved, beneficial to the perception effect for improving big visual angle.It is preferred that the first side wall is flat with where the body of optical thin film The angle in faceThe scope of size be more than 0 degree and no more than 60 degree, the body place plane of second sidewall and optical thin film AngleSize scope be not less than 85 degree and no more than 90 degree.
During specific implementation, the cross sectional shape of plane has various where the body parallel to optical thin film of through hole, for example may be used Think circle, rectangle, rhombus, or other shapes, will not enumerate herein.Optical thin film as shown in Figure 2 Plan structure, represents the cross sectional shape of the through hole of different incline directions, every group of through hole of pore space structure with different fillings in figure Cross sectional shape be circle, and be evenly distributed.
In implementation, if the opening of through hole is excessive in incident side, can only control unit light splitting exit direction, if through hole Opening is too small in incident side, is difficult to be formed in the preparation, in order to avoid the appearance of both of these case, if it is preferred that above-mentioned logical It it is 0.5 μm~5 μm in the length range of the diameter of incident side when the cross sectional shape in hole is for circle;If the section of above-mentioned through hole It it is 0.5 μm~5 μm in the scope of the length of side of incident side when being shaped as rectangle;If the cross sectional shape of above-mentioned through hole is rhombus, It it is 0.5 μm~5 μm in the scope of the length of side of incident side.
Wherein, the species of the material of optical thin film has various, it is preferred that be photoactive material, for example, the material of optical thin film It is polymetylmetacrylate (Polymethyl Methacrylate, PMMA), polyimides (Polyimide, PI) etc..
It is preferred that the display device also includes backlight, display described in the light vertical incidence that the backlight sends Panel.Due to light vertical incidence display panel so that the spectrophotometric result of optical thin film is more preferable;Additionally, display panel is carried out The division and display of right and left eyes pixel, it is possible to achieve preferably bore hole 3D and double vision effect.
It is preferred that as shown in Figure 1a, display device is additionally included in the black matrix 006 set between adjacent subpixels;And Cover each sub-pixel and the flatness layer 007 of black matrix 006.
During specific implementation, it is preferred that display device be additionally included in the light emission side of display panel along light direction set it is inclined Mating plate and glass cover-plate;Based on this, the set location of optical thin film has various, for example, optical thin film may be located at display panel Between polaroid;Or optical thin film may be located between polaroid and glass cover-plate;Or optical thin film may be located at glass Side of the glass cover plate away from polaroid.
Based on same inventive concept, the embodiment of the present invention also provides a kind of preparation side of the optical thin film in display device Method, as shown in figure 3, the preparation method is at least comprised the following steps:
Step 310, the optical thin film polymeric material for forming on substrate a flood;
Step 320, formed in the body of optical thin film using patterning processes in multigroup pore space structure of matrix distribution;Often Group pore space structure corresponds to a sub-pixel and sets;Wherein, every group of pore space structure is put down where having the body of opposing optical film The consistent through hole of face incline direction, the opening of through hole gradually increases from incident side to light emission side, in the side side along display device To, on the section of the body of optical thin film, the angle of the first side wall of through hole and plane where the body of optical thin film, Less than the angle of the body place plane of the second sidewall and optical thin film of through hole;And at least include in all groups of pore space structures Two incline directions.
In the embodiment of the present invention, due to being provided with the hole with the consistent through hole of incline direction in the body of optical thin film Structure, at least includes two incline directions in all groups of pore space structures, the incline direction, shape and optical thin film with reference to through hole The direction of the light of the refractive index control corresponding sub-pixel of body, reaches preferably spectrophotometric result, and beneficial to improving, big visual angle perception is poor Problem, it is possible to achieve preferably bore hole 3D and double vision effect;In addition optical thin-film structure is simple, corresponding process is simple.
It is preferred that in above-mentioned steps 320, being formed in many of matrix distribution in the body of optical thin film using patterning processes Pore space structure is organized, specific implementation can be:
Plane where opposing substrate be arranged in parallel different mask plates and incline Relative light intensity direction is different respectively respectively It is exposed under tilted direction;Wherein, mask plate has the opening of the through hole of multigroup pore space structure of same incline direction Pattern;
Optical thin film to being obtained after exposure develops, to form multigroup pore space structure in the body of optical thin film.
It is preferred that preparation method provided in an embodiment of the present invention also includes:Previously prepared multiple mask plates.
Below by taking the preparation of the structure of the optical thin film of the display device shown in Fig. 1 a as an example, method made above is carried out Illustrate:
The distribution of through hole in plan structure shown in step one, advance reference picture 2, prepares two mask plates, wherein one Mask plate has a kind of pattern of the opening of the through hole of multigroup pore space structure of incline direction, specific step prepared by every mask plate Suddenly:
Face prepares entering with the cross sectional shape of above-mentioned through hole by the way of sputtering or exposure imaging on the glass substrate The consistent small metal particles of the size of light side, the small metal particles can be circle, and the length range of diameter is 0.5 μm~5 μm, Metal material can be Al, the light-proof material such as Ag.
As shown in figure 4, being first mask plate 008 for preparing, it is that through hole is tilted to the left that figuratum part is corresponding Pore space structure region, the circular small metal particles 081 of filling are the position of the incident side opening of through hole, and other parts are saturating Light;The pore space structure region that through hole is tilted to the right is all light tight.
As shown in figure 5, being second mask plate 009 for preparing, it is that through hole is tilted to the right that figuratum part is corresponding Pore space structure region, the circular small metal particles 091 of filling are the position of the incident side opening of through hole, and other parts are saturating Light;The pore space structure region that through hole is tilted to the left is all light tight.
Step 2, as shown in fig. 6, a flood optical thin film is prepared above substrate 0010 in the way of spin coating or deposition Polymeric material 005 '.
In the step, substrate is glass substrate or polymer film substrate.
Wherein, the material of the optical thin film that the present embodiment is used is negativity photoactive material, is occurred under conditions of exposure Polymerization, solidification.
Step 3, first mask plate 008 as shown in fig. 7, the place plane of opposing substrate 0010 be arranged in parallel, and relative Direction of illumination (direction shown in arrow) is exposed with the first incline direction, then, as shown in figure 8, where opposing substrate 0010 Plane be arranged in parallel second mask plate 009, and is exposed with the second incline direction in Relative light intensity direction;Wherein, first Incline direction and the second incline direction, the corner dimension equal direction with direction of illumination are symmetrical, and the scope of the size of angle ψ can Choosing is 45 degree~80 degree.
Step 4, the optical thin film to being obtained after exposure develop, you can obtain optical thin film 005 shown in Fig. 1 b Structure.
Because when technique is exposed, the position blocked of small metal particles, light can occur diffraction, so that development The opening of the through hole for obtaining gradually increases from incident side to light emission side;Simultaneously as relative have angle of inclination with direction of illumination, So that the first side wall of through hole is different relative to the angle of optical thin film body with second sidewall.By above optical thin film 005 from Peeled off on substrate 0010, be attached to display device surface, it is also possible to which glass or polymer film substrate are replaced with into color film base Plate, so directly prepares on color membrane substrates optical thin film, then need not peel off and attaching process.
It is understood that the embodiment of the present invention can also using positivity photoactive material as optical thin film material, such as Polymetylmetacrylate or polyimides etc.;Those skilled in the art are it is recognised that the mask plate that is used of positivity photoactive material Pattern should be complementary with reticle pattern described in above-described embodiment.
In the preparation method of display device provided in an embodiment of the present invention and optical thin film therein, due to optical thin film The pore space structure with the consistent through hole of incline direction is provided with body, two are at least included in all groups of described hole structures Incline direction, can combine the refractive index control corresponding sub-pixel of the body of the incline direction, shape and optical thin film of through hole The direction of light, reaches preferably spectrophotometric result, beneficial to the problem for improving big visual angle perception difference;Meanwhile, display panel is carried out into a left side The division and display of right-eye pixel, it is possible to achieve preferably bore hole 3D and double vision effect;In addition optical thin-film structure is simple, accordingly Process is simple.
Obviously, those skilled in the art can carry out various changes and modification without deviating from essence of the invention to the present invention God and scope.So, if these modifications of the invention and modification belong to the scope of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to comprising these changes and modification.

Claims (10)

1. a kind of display device, including display panel, be arranged on display panel in matrix distribution multiple sub-pixels and setting In the optical thin film of the light emission side of display panel;Characterized in that, the body of the optical thin film is provided with matrix distribution Multigroup pore space structure;Every group of described hole structure corresponds to a sub-pixel and sets;Wherein, every group of described hole structure has phase The through hole consistent to planar tilt direction where the body of the optical thin film, the opening of the through hole is from incident side to light emission side Gradually increase, in the side directions along display device, on the section of the body of the optical thin film, the of the through hole The angle of plane where the body of side wall and optical thin film, second sidewall and the body institute of optical thin film less than the through hole In the angle of plane;At least include two incline directions in all groups of described hole structures.
2. display device according to claim 1, it is characterised in that adjacent in multigroup described hole structure of a line Two groups of described hole structures described in through hole incline direction it is different.
3. display device according to claim 2, it is characterised in that adjacent in multigroup described hole structure of a line Two groups of described hole structures described in through hole incline direction, relative to the optical thin film body where plane symmetry.
4. display device according to claim 3, it is characterised in that the first side wall with where the body of optical thin film The scope of the size of the angle of plane is more than 0 degree and no more than 60 degree, and the second sidewall is flat with where the body of optical thin film The scope of the size of the angle in face is not less than 85 degree and no more than 90 degree.
5. display device according to claim 1, it is characterised in that the body institute parallel to optical thin film of the through hole It is circle, rectangle, rhombus in the cross sectional shape of plane.
6. display device according to claim 5, it is characterised in that the cross sectional shape of the through hole for it is circular when, entering The size of the diameter of light side is 0.5 μm~5 μm;
It it is 0.5 μm~5 μm in the scope of the length of side of incident side when the cross sectional shape of the through hole is rectangle;
It it is 0.5 μm~5 μm in the scope of the length of side of incident side when the cross sectional shape of the through hole is rhombus.
7. display device according to claim 1, it is characterised in that the material of the optical thin film is photoactive material.
8. display device according to claim 1, it is characterised in that the display device is additionally included in the display panel The light emission side polaroid and glass cover-plate that are set along light direction;
The optical thin film is located between the display panel and the polaroid;
Or the optical thin film is located between the polaroid and the glass cover-plate;
Or the optical thin film is located at side of the glass cover-plate away from the polaroid.
9. display panel display apparatus according to claim 1, it is characterised in that the display device also includes backlight Source, display panel described in the light vertical incidence that the backlight sends.
10. the preparation method of the optical thin film in a kind of display device, it is characterised in that including:
The optical thin film polymeric material of a flood is formed on substrate;
Plane where the substrate be arranged in parallel different mask plates and incline Relative light intensity direction is different respectively respectively relatively It is exposed under tilted direction;Wherein, mask plate has the opening of the through hole of multigroup pore space structure of same incline direction Pattern;
Optical thin film to being obtained after exposure develops, and is formed in many of matrix distribution with the body of the optical thin film Group pore space structure;Wherein, every group of described hole structure corresponds to a sub-pixel and sets;Every group of described hole structure has relatively The consistent through hole in planar tilt direction where the body of the optical thin film, the opening of the through hole from incident side to light emission side by It is cumulative big, in the side directions along display device, on the section of the body of the optical thin film, the first of the through hole The angle of plane where the body of side wall and optical thin film, less than where the second sidewall of the through hole and the body of optical thin film The angle of plane;And at least include two incline directions in all groups of described hole structures.
CN201710025836.0A 2017-01-13 2017-01-13 A kind of preparation method of display device and optical thin film therein Expired - Fee Related CN106772709B (en)

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