CN106019434A - Optical film and manufacturing method thereof and display device - Google Patents
Optical film and manufacturing method thereof and display device Download PDFInfo
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- CN106019434A CN106019434A CN201610605231.4A CN201610605231A CN106019434A CN 106019434 A CN106019434 A CN 106019434A CN 201610605231 A CN201610605231 A CN 201610605231A CN 106019434 A CN106019434 A CN 106019434A
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- Prior art keywords
- blooming piece
- hole
- angle
- piece body
- sides
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
-
- 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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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0035—Multiple processes, e.g. applying a further resist layer on an already in a previously step, processed pattern or textured surface
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/858—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
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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)
- Electroluminescent Light Sources (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
The invention discloses an optical film and a manufacturing method thereof and a display device, and belongs to the field of displayers. The optical film comprises an optical film body and multiple holes which are arranged on the optical film body. The multiple holes extend to the lower surface of the optical film body from the upper surface of the optical film body, and the multiple holes are distributed on the upper surface in a matrix. An inclined angle is formed between the extension direction of each hole and the lower surface of the optical film body, and the inclined angle is an acute angle or a right angle. The size of the corresponding inclined angles of all the holes of each line gradually increases to the middle from the two sides. The holes of which the inclined angles are acute angles incline towards the central position of the line or incline towards the optical film body. The upper surface and the lower surface are the two opposite surfaces on the optical film. When light passes through the optical film, all the holes on the optical film refract the light so that the light of the two sides of a screen is enabled to face the middle part of the screen, the light of the border of the screen is enabled to exactly face a user and thus the problem of frame distortion can be avoided.
Description
Technical field
The present invention relates to field of display, particularly to a kind of blooming piece and preparation method thereof, display device.
Background technology
At present, display panels and Organic Light Emitting Diode (Organic Light-Emitting Diode, letter
Claim OLED) display floater due to its good visual angle and relatively low power consumption, be widely used in flat pannel display neck
Territory.
Although display panels and OLED display panel are respectively provided with good visual angle, but along with display device
Development, large scale is shown and for the field such as virtual display, conventional liquid display panel and OLED
The visual angle of display floater still can not meet demand.User is when watching large scale screen, due to user distance
The distance of screen does not become remote, when causing the border that user sees screen, can only see the border of this screen
, easily there is distortion phenomenon in side-looking angle light, and positive visual angle, the border light that can't see screen.Equally
In virtual display field, due to hypotelorism between user's eyeball and screen, so the actual screen of seeing of user
During border, it is seen that be also the side-looking angle light on border of screen, distortion phenomenon the most easily occurs.
Summary of the invention
During in order to solve border that user sees screen, it is seen that be the side-looking angle light on border of screen, easily
Problem distortion occur, embodiments provides a kind of blooming piece and preparation method thereof, display
Device.Described technical scheme is as follows:
First aspect, embodiments provides a kind of blooming piece, and described blooming piece includes blooming
Sheet body and be arranged on the multiple holes on described blooming piece body, the plurality of hole from described blooming piece this
The upper surface of body extends to the lower surface of described blooming piece body, and matrix distribution is pressed in institute in the plurality of hole
Stating upper surface, between bearing of trend and the lower surface of described blooming piece body in each hole, structure has angle,
Described angle is acute angle or right angle, and the corner dimension that in every a line hole, each hole is corresponding is by two lateral centres gradually
Increasing, the hole that described angle is acute angle tilts to center of being expert at or inclines to blooming piece body central
Tiltedly, described upper surface and described lower surface be on described blooming piece relative to two surfaces.
In a kind of implementation of the embodiment of the present invention, the angle being positioned at each hole of same string corresponding is equal.
In the another kind of implementation of the embodiment of the present invention, on the first cross section of described blooming piece body,
Angle between both sides and the lower surface of described blooming piece body in each described hole is respectively a and b, described
First cross section is through a line hole and vertical with the lower surface of described blooming piece body；
When a hole in described a line hole both sides to the distance of be expert at center equal time,
A=b=90 °, when a hole in described a line hole both sides to the distance of be expert at center unequal time,
If b is the angle of described pitch-row side farther out from be expert at center, then 90 ° of ＞ b ＞ a ＞ 0 °.
In the another kind of implementation of the embodiment of the present invention, when the both sides in a hole in described a line hole are arrived
When the distance of be expert at center is unequal, 90 ° of ＞ b ＞ a >=10 °.
In the another kind of implementation of the embodiment of the present invention, when the hole that described angle is acute angle is to described optics
When diaphragm body central tilts, the angle that in every string hole, each hole is corresponding is gradually increased by two lateral centres.
In the another kind of implementation of the embodiment of the present invention, on the second cross section of described blooming piece body,
Angle between both sides and the lower surface of described blooming piece body in each described hole is respectively a and b, described
Second cross section is through described blooming piece body central and a hole and the lower surface with described blooming piece body
Vertically；
When described hole both sides to the distance of described blooming piece body central equal time, a=b=90 °, work as institute
State the both sides in hole to the distance of described blooming piece body central unequal time, if b is that described pitch-row is from described
The angle of blooming piece body central side farther out, then 90 ° of ＞ b ＞ a ＞ 0 °.
In the another kind of implementation of the embodiment of the present invention, when the both sides in described hole are to described blooming piece basis
When the distance at body center is unequal, 90 ° of ＞ b ＞ a >=10 °.
In the another kind of implementation of the embodiment of the present invention, described hole is through hole or blind hole.
In the another kind of implementation of the embodiment of the present invention, each described hole is through described blooming piece body
Upper surface formed figure be circle.
In the another kind of implementation of the embodiment of the present invention, a diameter of 0.5-5 micron of described circle.
Second aspect, the embodiment of the present invention additionally provides a kind of display device, and described display device includes display
Blooming piece described in panel and first aspect, the lower surface of described blooming piece is fitted in described display floater
Light emission side.
The third aspect, the embodiment of the present invention additionally provides a kind of blooming piece preparation method, and described method includes:
A transparency carrier, described transparency carrier is provided to have the curved surfaces of a projection；
Making a light shield layer on described curved surfaces, described light shield layer includes by multiple figures of matrix distribution；
Described light shield layer makes one layer of photoresist layer；
Being exposed described photoresist layer from the bottom surface of described transparency carrier, described bottom surface is described transparency carrier
The upper one side relative with curved surfaces；
Described photoresist layer after exposure is developed；
Described photoresist layer is stripped down the blooming piece obtained as described in relation to the first aspect.
In a kind of implementation of the embodiment of the present invention, described transparency carrier is spherical transparent substrate or arc
Face transparency carrier.
In the another kind of implementation of the embodiment of the present invention, described light shield layer includes multiple shading graph, or
Light shield layer described in person is provided with multiple hollow out figure.
In the another kind of implementation of the embodiment of the present invention, described figure is circular, the diameter of described circle
Between 0.5 micron to 5 micron.
The technical scheme that the embodiment of the present invention provides has the benefit that
The blooming piece that the present invention provides includes blooming piece body and is arranged on the upper surface of blooming piece body
On multiple holes, multiple holes press matrix arrangement, and the lower surface of the bearing of trend in hole and blooming piece body is constituted
Angle, the angle that in a line hole, each hole is corresponding is gradually increased by two lateral centres, and angle is the hole of acute angle
Tilting to be expert at center or tilt to blooming piece body central, this design makes all of hole
Both facing to the middle part of blooming piece, when light can be produced by light each hole on blooming piece, blooming piece
Raw refraction, changes the direction of propagation of light, so that the light of screen sides is towards in the middle part of screen, by this optics
Diaphragm is attached to screen light emission side, when user is just to screen center, due to the round quilt of the light of screen sides
Change and to screen intermediate, inclined, so that the light of screen border is just to user, it is to avoid occur that picture loses
Genuine problem.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, institute in embodiment being described below
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the blooming piece that the embodiment of the present invention provides；
Fig. 2 is the distribution schematic diagram in the hole on the blooming piece that Fig. 1 provides；
Fig. 3 a is the top view of a kind of blooming piece that the embodiment of the present invention provides；
Fig. 3 b is the top view of the another kind of blooming piece that the embodiment of the present invention provides；
Fig. 4 is the structural representation of a kind of display device that the embodiment of the present invention provides；
Fig. 5 is the flow chart of a kind of blooming piece preparation method that the embodiment of the present invention provides；
Fig. 6 a is the schematic diagram in the blooming piece preparation process that the embodiment of the present invention provides；
Fig. 6 b is the schematic diagram in the blooming piece preparation process that the embodiment of the present invention provides；
Fig. 6 c is the schematic diagram in the blooming piece preparation process that the embodiment of the present invention provides；
Fig. 6 d is the schematic diagram in the blooming piece preparation process that the embodiment of the present invention provides；
Fig. 6 e is the schematic diagram in the blooming piece preparation process that the embodiment of the present invention provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Embodiment is described in further detail.
Fig. 1 is the structural representation of a kind of blooming piece that the embodiment of the present invention provides, and blooming piece 10 includes
Blooming piece body 11 and the multiple holes 12 being arranged on blooming piece body 11, multiple hole 12 is from blooming
The upper surface 111 of sheet body 11 extends to the lower surface 112 of blooming piece body 11, and multiple hole 12 is pressed
Matrix distribution is in upper surface 111 distribution schematic diagram of the hole that Fig. 2 provides (distribution in hole 12 may refer to), often
An angle α, angle is constituted between bearing of trend and the lower surface 112 of blooming piece body 11 in individual hole 12
α is acute angle or right angle, in every a line hole 12 the angle α size of each hole 12 correspondence by two lateral in the middle of by
Cumulative greatly, the hole 12 that angle α is acute angle to be expert at center tilt or to blooming piece body 11
Centroclinal, upper surface 111 and lower surface 112 be on blooming piece 10 relative to two surfaces.
The blooming piece that the embodiment of the present invention provides includes blooming piece body and is arranged on blooming piece body
Multiple holes on upper surface, matrix arrangement, the bearing of trend in hole and the following table of blooming piece body are pressed in multiple holes
Face constitutes angle, and the angle that in a line hole, each hole is corresponding is gradually increased by two lateral centres, and angle is sharp
The hole at angle tilts to be expert at center or tilts to blooming piece body central, and this design makes institute
Some holes are both facing to the middle part of blooming piece, when light each hole meeting on blooming piece, blooming piece
Light is produced refraction, changes the direction of propagation of light, as it is shown in figure 1, light L1 is through blooming piece,
Sidewall in hole produces refraction, and the light L2 direction of propagation of injection is changed to retrodeviate (gathers in the middle part of blooming piece
Light effect), this blooming piece is attached to screen light emission side, it is possible to make the light of screen sides towards in the middle part of screen,
When user is just to screen center, owing to the round of the light of screen sides is changed and to screen intermediate, inclined,
So that the light of screen border is just to user, it is to avoid the problem that distortion occurs, it is adaptable to large scale
Display device and virtual display field.
The blooming piece 10 that above-described embodiment provides, including two kinds of structures: the first, angle α is acute angle
Hole 12 tilts to be expert at center；The second, angle α is that the hole 12 of acute angle is to blooming piece body
11 is centroclinal.
Fig. 3 a is the schematic top plan view of the first blooming piece 10, and Fig. 3 a mesopore 12 includes that vertical view can be direct
The part 121 seen and need the part 122 just can seen through the upper surface 111 of blooming piece body 11.
The size of the length of part shown in label 122 and direction and the angle α in hole 12 and directional correlation, label 122
The length direction of shown part is the incline direction in hole 12, and shown in label 122, the length of part is the biggest, hole
The angle of 12 is the least, and when hole 12 does not exist part shown in label 122, the angle in this hole 12 is right angle.
Seeing Fig. 3 a, the angle of each hole 12 correspondence being positioned at same string is equal.This set can be by screen
The light of both sides is gathered to centre, consequently facilitating screen sides is watched by user.
In this implementation, on the first cross section of blooming piece body 11, the both sides in each hole 12
And the angle between the lower surface 112 of blooming piece body 11 is respectively a and b (seeing Fig. 1), first section
Face is through a line hole 12 and vertical with the lower surface 112 of blooming piece body 11；
When a hole 12 in a line hole 12 both sides to the distance of be expert at center equal time,
A=b=90 °, when the both sides in a hole 12 in a line hole 12 are unequal to the distance of be expert at center
Time, if b is the angle of side farther out apart from be expert at center, hole 12, then 90 ° of ＞ b ＞ a ＞ 0 °.
Further, when a hole 12 in a line hole 12 both sides to be expert at center distance not
Time equal, 90 ° of ＞ b ＞ a >=10 °.Angle be less than 90 degree, thus it is possible to vary light propagate, angle be more than or
Equal to 10 degree, it is to avoid user needs distance screen the most closely to watch.
Fig. 3 b is the schematic top plan view of the second blooming piece 10.See Fig. 3 b, when angle is the hole of acute angle
12 when blooming piece body 11 is centroclinal, and in every string hole 12, the angle of each hole 12 correspondence is by both sides
It is gradually increased to centre.The light of screen surrounding can be gathered by this set to centre, consequently facilitating user couple
Screen surrounding is watched.
In this implementation, on the second cross section of blooming piece body 11, the both sides in each hole 12
And the angle between the lower surface 112 of blooming piece body 11 is respectively a and b (seeing Fig. 1), second section
Hang down through blooming piece body 11 center and a hole 12 and with the lower surface 112 of blooming piece body 11 in face
Directly；
When hole 12 both sides to the distance at blooming piece body 11 center equal time, a=b=90 °, when hole 12
Both sides to the distance at blooming piece body 11 center unequal time, if b be hole 12 apart from blooming piece this
The angle of side farther out, body 11 center, then 90 ° of ＞ b ＞ a ＞ 0 °.
Further, when hole 12 both sides to the distance at blooming piece body 11 center unequal time, 90 °
＞ b ＞ a >=10 °.Angle is less than 90 degree, thus it is possible to vary light is propagated, and angle is more than or equal to 10 degree,
User is avoided to need distance screen the most closely to watch.
In embodiments of the present invention, hole 12 can be through hole 12 or blind hole 12, it is simple to designs and makes.
In embodiments of the present invention, each hole 12 is through the figure of the upper surface formation of blooming piece body 11
For circle, consequently facilitating design and making.Certainly, the shape of the present embodiment mesopore is not limited to circle, also
Can be ellipse, rectangle etc..
In embodiments of the present invention, in order to ensure that hole can make, round diameter can not be the least；In order to ensure
Spotlight effect is obvious, and the diameter of circular port can not be too big, and therefore circular diameter can be 0.5-5 micron.
Fig. 4 is the structural representation of a kind of display device that the embodiment of the present invention provides, and display device includes showing
Show the blooming piece 10 shown in panel 20 and Fig. 1～Fig. 3 arbitrary width of b, the lower surface 112 of blooming piece 10
It is fitted in the light emission side of display floater 20.
In the specific implementation, the display device that the embodiment of the present invention provides can be mobile phone, panel computer, electricity
Depending on any products with display function such as machine, display, notebook computer, DPF, navigators or
Parts.
In embodiments of the present invention, blooming piece includes blooming piece body and is arranged on blooming piece body
Multiple holes on upper surface, matrix arrangement, the bearing of trend in hole and the following table of blooming piece body are pressed in multiple holes
Face constitutes angle, and the angle that in a line hole, each hole is corresponding is gradually increased by two lateral centres, and angle is sharp
The hole at angle tilts to be expert at center or tilts to blooming piece body central, and this design makes institute
Some holes are both facing to the middle part of blooming piece, when light each hole meeting on blooming piece, blooming piece
Light is produced refraction, changes the direction of propagation of light, this blooming piece is attached to screen light emission side, it is possible to make
The light of screen sides is towards in the middle part of screen, when user is just to screen center, due to the propagation of the light of screen sides
Route is changed and tilts in the middle part of screen, so that the light of screen border is just to user, it is to avoid occur
The problem of distortion.
Fig. 3 is the flow chart of a kind of blooming piece preparation method that the embodiment of the present invention provides, and the method is used for
Preparing the blooming piece 10 shown in the arbitrary width of Fig. 1～Fig. 3 b, the method includes:
Step 301: provide a transparency carrier, transparency carrier has the curved surfaces of a projection.
Wherein, transparency carrier can be glass substrate, plastic base, silicon substrate etc..
In embodiments of the present invention, transparency carrier is spherical transparent substrate or cambered surface transparency carrier.Cambered surface is saturating
Bright substrate is for making the blooming piece 10 shown in Fig. 3 a, and spherical transparent substrate is for making shown in Fig. 3 b
Blooming piece 10.
Seeing Fig. 6 a, transparency carrier 30 includes curved surfaces 301 and the bottom surface relative with curved surfaces 301
302。
Step 302: make a light shield layer on curved surfaces, light shield layer includes by multiple figures of matrix distribution.
Wherein, light shield layer includes multiple shading graph (such as metallic pattern), or light shield layer is provided with multiple
Hollow out figure.
Light shield layer can use metal material to make, such as aluminum Al, the silver light-proof material such as Ag.Light shield layer
Can be made in the way of using sputtering or exposure imaging.
Above-mentioned figure can be circular, and in order to ensure that exposing metapore can be formed, circular diameter can not be the least；
In order to after ensureing exposure, spotlight effect is obvious, circular diameter can not be too big, and therefore, circular diameter is permissible
It is arranged between 0.5 micron to 5 microns.
As shown in Figure 6 b, the curved surfaces of transparency carrier 30 forms multiple metallic pattern 31.
Step 303: make one layer of photoresist layer on light shield layer.
When light shield layer includes multiple shading graph, photoresist layer can be negativity photoresist layer.When light shield layer includes
During multiple hollow out figure, photoresist layer can be positivity photoresist layer.
Specifically, in the way of using spin coating or deposition, one layer can be made on light shield layer and there is light polymerization
Optical material thin film, the most above-mentioned photoresist layer.Such as, when forming negativity photoresist layer, material can be poly-first
Base acrylic acid methyl ester. (PolymethylMethacrylate is called for short PMMA), polyimides (Polyimide,
It is called for short PI) etc..
As fig. 6 c, multiple metallic patterns 31 form negativity photoresist layer 32.
Step 304: photoresist layer is exposed from the bottom surface of transparency carrier, bottom surface be on transparency carrier with arc
The one side that surface is relative.
As it is shown in figure 1, the bottom surface of transparency carrier can be and curved surfaces same shape.In other realization sides
In formula, the bottom surface of transparency carrier can be with plane.
During exposure, it is ensured that the whole curved surfaces of transparency carrier can be irradiated by exposure light, thus
Guarantee fully to expose.
As shown in fig 6d, from the bottom surface of transparency carrier 30, negativity photoresist layer 32 is exposed, Exposing Lamp
Light 33 injects transparency carrier 30 from the bottom surface of transparency carrier 30.
Step 305: the photoresist layer after exposure is developed.
Use developer solution that the photoresist layer after exposure is developed, thus on photoresist layer, form hole.By control
The exposure imaging time processed, blind hole or through hole can be formed on photoresist layer.
Such as Fig. 6 e, the negativity photoresist layer 32 after exposure is developed, thus shape on negativity photoresist layer 32
Pore-forming 34.
Step 306: photoresist layer is stripped down and obtains blooming piece.
Specifically, photoresist layer is stripped down from transparency carrier by the method that mechanical force can be used to remove, or
Photoresist layer is heated by employing or freezing processing makes two with the method reducing the caking property between transparency carrier
Person separates.
In embodiments of the present invention, the blooming piece using this preparation method to make include blooming piece body and
The multiple holes being arranged on the upper surface of blooming piece body, matrix arrangement, the bearing of trend in hole are pressed in multiple holes
Constituting angle with the lower surface of blooming piece body, the angle that in a line hole, each hole is corresponding is lateral middle by two
It is gradually increased, and the hole that angle is acute angle tilts or to blooming piece body central to center of being expert at
Tilt, this design make all of hole both facing to the middle part of blooming piece, when light is through blooming piece,
Each hole on blooming piece can produce refraction to light, changes the direction of propagation of light, is pasted by this blooming piece
In screen light emission side, it is possible to make the light of screen sides towards in the middle part of screen, when user is just to screen center, by
Round in the light of screen sides is changed and tilts in the middle part of screen, so that the light of screen border
Line is just to user, it is to avoid problem distortion occur.It addition, the preparation method of this blooming piece need not
Using the special process such as impressing, preparation method is simple.
These are only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention
Within principle, any modification, equivalent substitution and improvement etc. made, should be included in the protection of the present invention
Within the scope of.
Claims (15)
1. a blooming piece, it is characterised in that described blooming piece includes blooming piece body and is arranged on
Multiple holes on described blooming piece body, the plurality of hole from the upper surface of described blooming piece body to institute
The lower surface stating blooming piece body extends, and the plurality of hole by matrix distribution at described upper surface, each
Between bearing of trend and the lower surface of described blooming piece body in hole, structure has angle, and described angle is acute angle
Or right angle, the corner dimension that in every a line hole, each hole is corresponding is gradually increased by two lateral centres, described angle
Hole by acute angle tilts to center of being expert at or tilts to blooming piece body central, described upper surface
With described lower surface be on described blooming piece relative to two surfaces.
Blooming piece the most according to claim 1, it is characterised in that be positioned at each hole pair of same string
The angle answered is equal.
Blooming piece the most according to claim 2, it is characterised in that at described blooming piece body
On first cross section, the angle between both sides and the lower surface of described blooming piece body in each described hole is respectively
For a and b, described first cross section is through a line hole and vertical with the lower surface of described blooming piece body；
When a hole in described a line hole both sides to the distance of be expert at center equal time,
A=b=90 °, when a hole in described a line hole both sides to the distance of be expert at center unequal time,
If b is the angle of described pitch-row side farther out from be expert at center, then 90 ° of ＞ b ＞ a ＞ 0 °.
Blooming piece the most according to claim 3, it is characterised in that in described a line hole
The both sides in hole to the distance of be expert at center unequal time, 90 ° of ＞ b ＞ a >=10 °.
Blooming piece the most according to claim 1, it is characterised in that when described angle is the hole of acute angle
When described blooming piece body central tilts, the angle that in every string hole, each hole is corresponding is lateral middle by two
It is gradually increased.
Blooming piece the most according to claim 5, it is characterised in that at described blooming piece body
On second cross section, the angle between both sides and the lower surface of described blooming piece body in each described hole is respectively
For a and b, described second cross section through described blooming piece body central and a hole and with described blooming piece
The lower surface of body is vertical；
When described hole both sides to the distance of described blooming piece body central equal time, a=b=90 °, work as institute
State the both sides in hole to the distance of described blooming piece body central unequal time, if b is that described pitch-row is from described
The angle of blooming piece body central side farther out, then 90 ° of ＞ b ＞ a ＞ 0 °.
Blooming piece the most according to claim 6, it is characterised in that when the both sides in described hole are to described
When the distance of blooming piece body central is unequal, 90 ° of ＞ b ＞ a >=10 °.
8. according to the blooming piece described in any one of claim 1 to 7, it is characterised in that described Kong Weitong
Hole or blind hole.
9. according to the blooming piece described in any one of claim 1 to 7, it is characterised in that each described hole
The figure formed through the upper surface of described blooming piece body is circular.
Blooming piece the most according to claim 9, it is characterised in that a diameter of 0.5-5 of described circle
Micron.
11. 1 kinds of display devices, it is characterised in that described display device includes display floater and claim 1
To the blooming piece described in 10 any one, the lower surface of described blooming piece is fitted in going out of described display floater
Light side.
12. 1 kinds of blooming piece preparation methoies, it is characterised in that described method includes:
A transparency carrier, described transparency carrier is provided to have the curved surfaces of a projection；
Making a light shield layer on described curved surfaces, described light shield layer includes by multiple figures of matrix distribution；
Described light shield layer makes one layer of photoresist layer；
Being exposed described photoresist layer from the bottom surface of described transparency carrier, described bottom surface is described transparency carrier
The upper one side relative with curved surfaces；
Described photoresist layer after exposure is developed；
Described photoresist layer is stripped down the blooming piece obtained as described in any one of claim 1 to 10.
13. methods according to claim 12, it is characterised in that described transparency carrier is spherical transparent
Substrate or cambered surface transparency carrier.
14. according to the method described in claim 12 or 13, it is characterised in that described light shield layer includes many
Individual shading graph, or described light shield layer is provided with multiple hollow out figure.
15. according to the method described in claim 12 or 13, it is characterised in that described figure is circular,
The diameter of described circle is between 0.5 micron to 5 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610605231.4A CN106019434B (en) | 2016-07-27 | 2016-07-27 | Optical diaphragm and preparation method thereof, display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN106019434B (en) | 2018-09-18 |
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