CN206479660U - Grating Film and 3 d display device - Google Patents
Grating Film and 3 d display device Download PDFInfo
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- CN206479660U CN206479660U CN201720168132.4U CN201720168132U CN206479660U CN 206479660 U CN206479660 U CN 206479660U CN 201720168132 U CN201720168132 U CN 201720168132U CN 206479660 U CN206479660 U CN 206479660U
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Abstract
The utility model provides a kind of Grating Film and 3 d display device, belongs to display technology field.Assembling of the Grating Film suitable for 3 d display device with display panel, it includes grating film base material, and the side of grating film base material is provided with the first micro structure array, and side of first micro structure array away from grating film base material is provided with the second micro structure array.Wherein, first micro structure array includes multiple microstructure areas, multiple structure identical microstructure units are included in each microstructure area, provided with interval between each microstructure area, without microstructure unit in interval, the width at interval is more than or equal to the width sum of the invalid viewing area in effective display area both sides of display panel.The utility model efficiently solves the contraposition of Grating Film in the prior art and display panel and must observed by the naked eye and completed to carry out red green correction by improving the structure of Grating Film and 3 d display device, and can not be by the technical barriers of CCD exactitude positions.
Description
Technical field
The utility model is related to display technology field, in particular to a kind of Grating Film and 3 d display device.
Background technology
In various stereo display techniques, bore hole 3D because the convenience without other auxiliary equipments and application upper advantage into
For the focus of 3D Display Technique researchs, application of the bore hole 3D 3 d display devices on individual consumer's goods field such as mobile phone, flat board,
And the application in commercial display field such as display, advertisement machine is all gradually increasing.At present, the skill of bore hole 3D display device
Art mainly includes grating membrane technology, slit grating, liquid crystal lens etc., and various technologies are from the point of view of application, and grating membrane technology is still most
For universal technology.
But, existing Grating Film is considerably complicated in the contraposition process with display panel, and general flow is to pass through liquid light
Learn after glue laminating, light back light unit and illuminate display panel, and show the synthesising picture as green such as the left red right side for the picture of contraposition,
Then need human eye to watch in place to carry out red green correction, that is, relatively move display panel with Grating Film until eyes
Correct display information is seen respectively, then carries out precuring and this solidification.
Due to spreading all over identical microstructure unit in the entire surface of Grating Film and lacking as with reference to being aligned
Mark so that Grating Film easily produces cutting angle error in cutting, such as top alignment nth bar rib, lower section but may be right
Accurate is n+1, n+2 or other grating ribs.In addition, when obtaining image automatically by CCD and being aligned, also because phase
With the problem of can not accurately recognize above and below raster image whether belong to same grating rib, it is easy to cause the patch of Grating Film
Close angle inaccurate, angle of arrival error is such as dislocated such as inclination, and site error.
Utility model content
The purpose of this utility model is to provide a kind of Grating Film and 3 d display device, and it can effectively improve above-mentioned
Problem.
What embodiment of the present utility model was realized in：
In a first aspect, the utility model embodiment provides a kind of Grating Film, it is adaptable to display in 3 d display device
The assembling of panel, the Grating Film includes grating film base material, and the side of the grating film base material is provided with the first micro structure array,
Side of first micro structure array away from the grating film base material is provided with the second micro structure array；First micro-structural
Array includes including multiple structure identical microstructure units in multiple microstructure areas, each microstructure area, each
Provided with interval between the microstructure area, there is no microstructure unit in the interval, the width at the interval is more than or equal to
The width sum of the invalid viewing area in effective display area both sides of the display panel；Micro-structural in second micro structure array
Unit is in the side close to first micro structure array, with being adapted to the microstructure unit in first micro structure array
Structure；Microstructure unit in second micro structure array is in the side away from first micro structure array, with flat
Whole surface.
In the utility model preferred embodiment, first micro structure array is with second micro structure array
Optical cement is formed；Form the folding of optical cement of the optical cement of first micro structure array with forming second micro structure array
Penetrate rate different.
In the utility model preferred embodiment, first micro structure array is with second micro structure array
Liquid optical cement is formed.
In the utility model preferred embodiment, the optical cement of first micro structure array is formed with forming described the
The specific refractivity of the optical cement of two micro structure arrays is more than or equal to 0.2.
In the utility model preferred embodiment, side of the grating film base material away from first micro structure array
It is provided with pressure sensitive adhesive；Side of the pressure sensitive adhesive away from the grating film base material is provided with mould release membrance.
In the utility model preferred embodiment, the microstructure unit in first micro structure array has trapezoidal section
Face.
In the utility model preferred embodiment, the material of the grating film base material is PET.
Second aspect, the utility model embodiment provides a kind of 3 d display device, and it includes back light unit, display surface
Plate and Grating Film as described above；The display panel is arranged at the side of the back light unit light extraction, the Grating Film laminating
In side of the display panel away from the back light unit；The Grating Film having on the long side direction of the display panel
Imitating has multiple microstructure units in viewing area.
In the utility model preferred embodiment, both sides are relatively set with outside the effective display area of the display panel
One alignment mark and the second alignment mark；The line of centres of first alignment mark and second alignment mark shows with described
Show that the long side of panel is parallel；The Grating Film in region of first alignment mark away from the second alignment mark side,
And region of second alignment mark away from the first alignment mark side does not have complete microstructure unit.
In the utility model preferred embodiment, to be provided with first alignment mark same on the display panel
Side is additionally provided with the 3rd alignment mark；The line of centres of first alignment mark and the 3rd alignment mark and the display
The short side of panel is parallel.
Relative to the nonseptate Grating Film for spreading all over identical microstructure unit in existing entire surface, the utility model is real
The Grating Film of example offer is applied by according to certain multiple microstructure areas of interval setting, comprising many in each microstructure area
Individual structure identical microstructure unit, and without microstructure unit in being spaced so that each microstructure area both sides of Grating Film
Have blank spaces, you can by carried out positioned at the grating rib and blank spaces of each microstructure area both sides of the edge cutting with
Reference during contraposition is compared.In addition, the effective display area both sides that the width at interval is more than or equal to the display panel are invalid aobvious
Show the width sum in area, the interval width of each microstructure area both sides is also used for cutting enough, due to no micro- knot in interval
Structure unit, error is produced when cutting, and secondary cutting amendment can be also carried out after finally aligning.Therefore, make
When the Grating Film provided with the utility model embodiment is to be aligned, first grating rib can be obtained by CCD and last
The alignment mark when image of one grating rib is fitted as Grating Film with display panel, it is ensured that display panel is pasted with Grating Film
The relative positional accuracy on angle precision and long side direction during conjunction, eliminates necessary red green correction in existing alignment mode
Link, improves production efficiency.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of Grating Film in the utility model first embodiment；
Fig. 2 is the structural representation at the visual angle of Grating Film second in the utility model first embodiment；
Fig. 3 is the fitted position schematic diagram of Grating Film and display panel in the utility model first embodiment；
Fig. 4 be the utility model first embodiment in be provided with pressure sensitive adhesive and mould release membrance Grating Film structural representation；
Fig. 5 be the utility model first embodiment in be used for make the first micro structure array mould structural representation；
Fig. 6 be the utility model first embodiment in be used for make the first micro structure array mould axial, cross-sectional view；
Fig. 7 is the schematic diagram of making the first micro structure array of formation in the utility model first embodiment；
Fig. 8 be the utility model first embodiment in be used for make the second micro structure array mould structural representation；
Fig. 9 is the schematic diagram of making the second micro structure array of formation in the utility model first embodiment；
Figure 10 is the structural representation of the utility model first embodiment Stereo display device；
Figure 11 is the structural representation of display panel in the utility model first embodiment；
Figure 12 is the cutting schematic diagram of Grating Film in the utility model first embodiment；
The schematic diagram that Figure 13 is aligned for Grating Film and display panel in the utility model first embodiment by alignment mark；
The image schematic diagram that CCD is obtained Figure 14 is aligns by alignment mark in the utility model first embodiment when；
Figure 15 is that Grating Film and display panel are aligned by effective display area edge in the utility model first embodiment
Schematic diagram；
The image signal that CCD is obtained Figure 16 is aligns by effective display area edge in the utility model first embodiment when
Figure.
Icon：100- back light units；200- display panels；300- Grating Films；310- grating film base materials；The micro- knots of 320- first
Structure array；The micro structure arrays of 330- second；340- pressure sensitive adhesives；350- mould release membrances；1000- 3 d display devices；First couple of M11-
Position mark；The alignment marks of M12- second；The alignment marks of M21- the 3rd.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " horizontal
To ", " longitudinal direction ", " interior ", the orientation of the instruction such as " outer " or position relationship be based on orientation shown in the drawings or position relationship, or
It is the orientation or position relationship usually put when the utility model product is used, is for only for ease of description the utility model and letter
Change description, rather than indicate or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that indicating or implying relative importance.
In addition, the term such as term " level ", " vertical " is not offered as requiring part abswolute level or pendency, but can be slightly
Low dip.It is not that the expression structure must be complete as " level " only refers to its direction with respect to more level for " vertical "
Full level, but can be slightly tilted.
In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " laminating " etc. should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；
Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be with
It is the connection of two element internals.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
Concrete meaning in the utility model.
First embodiment
Fig. 1 is refer to, the present embodiment provides a kind of Grating Film 300, including grating film base material 310, the first micro structure array
320 and second micro structure array 330, the side of grating film base material 310 is provided with the first micro structure array 320, and described first is micro-
Side of the array of structures 320 away from grating film base material 310 is provided with the second micro structure array 330.
In the present embodiment, the first micro structure array 320 is included in multiple microstructure areas, each microstructure area comprising many
The trapezoidal microstructure unit in individual structure identical section.It is provided with certain interval, interval and does not have between each microstructure area
There is microstructure unit.In the present embodiment, the interval width between each microstructure area is all roughly the same.
In the present embodiment, the microstructure unit in the second micro structure array 330 is close to the one of the first micro structure array 320
Side, with the structure being adapted to the microstructure unit in first micro structure array 320, you can be considered the trapezoidal recessed of complementation
Slot structure；And in the side away from the first micro structure array 320, the second micro structure array 330 is overall to have even curface.
In the present embodiment, the section selection of the microstructure unit is for trapezoidal advantage, thereon bottom and light extraction
Direction is parallel to be not involved in refraction, relies only on trapezoidal hypotenuse participation 3d and shows can also have when 2d images are shown
Better than such as semicircle, ellipse, triangular-section display effect.
Fig. 2 is refer to, in two-dimensional Cartesian system (X, Y), X-direction is the width of grating film base material 310, should
Width W is general within two meters；Y-direction is the length direction of grating film base material 310, and the length may be up to hundreds of meters.This reality
Apply in example, by taking three microstructure areas as an example, the grating rib that each microstructure unit has in each region is along the Y direction
The width that the micro structure array formed in array, each region that extends and formed in the X direction has in the X direction is W0, two
Between individual adjacent microstructure area at intervals of D0.In the present embodiment, without microstructure unit in the region that width is D0.
It refer in Fig. 3, the present embodiment, Grating Film 300 is applied on the assembling with display panel 200, display panel 200
Upper left, upper right and lower-left outside effective display area are respectively arranged with the first alignment mark M11, the second alignment mark M12 and
Three alignment mark M21, the first alignment mark M11 and the second alignment mark M12 line of centres is put down with the long side of display panel 200
OK, the first alignment mark M11 and the 3rd alignment mark M21 line of centres is parallel with the short side of display panel 200.Grating Film
Micro structure array width W0 in 300 in each microstructure area is equal or approximately equal to effective display area on display panel 200
Upper two alignment marks of the long side direction (X-direction) of length or display panel 200 center spacing.If display panel 200
Length be LL '+L1+LR ', the length of effective display area in the X direction on display panel 200 is L1, then D0 >=LL '+
LR’。
In the present embodiment, the material of grating film base material 310 can be PET (Polyethylene terephthalate),
First micro structure array 320 is that optical cement is formed with second micro structure array 330, it is preferred to use the good liquid of plasticity
Optical cement；And form the refractive index of optical cement of the optical cement of the first micro structure array 320 with forming the second micro structure array 330
Difference, both refringences are advisable with more than 0.2.
Fig. 4 is refer to, the Grating Film 300 that the present embodiment is provided can also be in grating film base material 310 away from the first micro-structural
The side of unit sets pressure sensitive adhesive 340, and sets mould release membrance 350 in side of the pressure sensitive adhesive 340 away from grating film base material 310.
It refer in Fig. 5, the present embodiment, the first micro structure array 320 in Grating Film 300 can be by shown in Fig. 5
Mould is made.The mould is generally copper rod and formed through engraving, is formed with and the first micro structure array 320 in its circumferencial direction
In complementary structure, the present embodiment by taking three spaced microstructure areas as an example.Perpendicular to the mould shaft in the mould
Any one section in line O1O1 ' directions is circle.Fig. 6 is refer to, width of each microstructure area along axes O 1O1 ' directions is
Spacing between W0, any two microstructure area is D0, does not have microstructure unit on the circumference of space D 0.
Fig. 7 is refer to, by being coated with the first liquid optical cement that refractive index is n1 on grating film base material 310, is then made
Rotated and rolled around axes O 1O1 ' with the mould shown in Fig. 5, grating film base material 310 is performed relative motion along Y-axis negative direction, and simultaneously
Ultra-violet curing is carried out, the first micro structure array 320 can be formed by being finally peeled away.
It refer in Fig. 8, the present embodiment, the second micro structure array 330 in Grating Film 300 can be by shown in Fig. 8
Mould is made.The mould is cylindrical shape, can be equally made by copper rod.
Fig. 9 is refer to, is coated with and rolled over by side of the first micro structure array 320 in solidification away from grating film base material 310
The second liquid optical cement that rate is n2 is penetrated, rotation rolling is carried out around axes O 3O3 ' by the periphery of the mould smooth shown in Fig. 8
Pressure, the first micro structure array 320 is performed relative motion along Y-axis negative direction, and carries out ultra-violet curing simultaneously, and being finally peeled away can be the
The surface of one micro structure array 320 forms the second micro structure array 330.Because the periphery of mould shown in Fig. 8 is smooth surface,
The second micro structure array 330 formed is flat surface in the side away from grating film base material 310.
Figure 10 is refer to, the present embodiment also provides a kind of 3 d display device 1000, including back light unit 100, display surface
The Grating Film 300 provided in plate 200 and the present embodiment.Display panel 200 is arranged at the side of the light extraction of back light unit 100, grating
Film 300 is fitted in side of the display panel 200 away from back light unit 100.
In the present embodiment, the Grating Film 300 used in single 3 d display device 1000 is in original bulk Grating Film 300
On the basis of cut and form.It is understood that due to the effective display area edge and corresponding alignment mark example of display panel 200
As also there is certain distance between effective display area left hand edge and the first alignment mark M11, set by display panel 200
Alignment mark when for example the first alignment mark M11, the second alignment mark M12 and the 3rd alignment mark M21 are aligned, it is three-dimensional
Two alignment marks such as first of the Grating Film 300 on the long side direction of display panel 200 in display device 1000 are aligned
Marking has multiple microstructure units in the region between M11 and the second alignment mark M12, and on the long side of display panel 200
The region outside two alignment marks such as the first alignment mark M11 and the second alignment mark M12 on direction does not have complete
Microstructure unit；When being aligned by the effective display area on display panel 200, the grating in 3 d display device 1000
Film 300 has multiple microstructure units in the effective display area on the long side direction of display panel 200, and in display panel
There is no complete microstructure unit outside effective display area on 200 long side direction.For example, by alignment mark progress pair
During position, on long side direction between alignment mark and the effective display area edge nearest apart from the alignment mark, it is understood that there may be many
Individual complete microstructure unit, but there is no complete microstructure unit in side of the alignment mark away from effective display area.
As shown in Figure 10, the both sides of Grating Film 300 complete microstructure unit without departing from display panel 200 on long side
Outside two alignment marks such as the first alignment mark M11 and the second alignment mark M12 on direction, i.e., display panel 200 is grown
There is microstructure unit on edge direction between the spacing L0 of two alignment marks, and the area outside two alignment marks of long side direction
Without complete microstructure unit within domain such as LL, LR.It is understood that may outside two alignment marks on long side direction
There is the grating rib of one or more microstructure unit, but not there is complete microstructure unit.
It refer in Figure 11, the present embodiment, if the resolution ratio of the display panel 200 in 3 d display device 1000 is N x
The long side direction order along display panel 200 such as M (RGB), sub-pixel such as R, R, R of same color is arranged, different colours
Sub-pixel such as R, G, B, R, G, B be alternately arranged on the short side direction of display panel 200.
Figure 12 is refer to, after the formation of Grating Film 300 that the present embodiment is provided, the micro structure array in regional is carried out
Cutting, by taking the Grating Film 300 of three microstructure areas of formation as an example, mode as shown in figure 12 is cut, and is formed and is made vertical
Sheet material such as AA, AB, AC, BA, BB, BC needed for body display device 1000 etc..Due to being possible to have when cutting Grating Film 300
Certain machine error, each sheet material such as AA long La is equal to or approximately equal to the length of display panel 200, its wide Wa be equal to or
It is approximately equal to the width of display panel 200.
It can be seen from the structure of Grating Film 300, the microstructure unit in Grating Film 300 exists only in the region that length is Lb
Within.In the case of needing the effective display area edge by display panel 200 to be aligned, length Lb is equal to or closely
Approximately equal to the long L1 of the long side direction effective display area domain of display panel 200, now may be regarded as the width of micro structure array in the sheet material
Degree is equal within a preset range with the width on the effective display area long side direction of display panel 200.And needing with display surface
When alignment mark on plate 200 is as with reference to be aligned, length Lb is equal to or approximately equal to long side direction two
Center spacing L0 between alignment mark such as the first alignment mark M11 and the second alignment mark M12, now may be regarded as the sheet material
The center spacing of the width of middle micro structure array and the first alignment mark M11 and the second alignment mark M12 on display panel 200 exists
It is equal in preset range.
Figure 13 is refer to, the Grating Film 300 and display panel 200 in 3 d display device 1000 pass through display panel
When the first alignment mark M11, the second alignment mark M12 and the 3rd alignment mark M21 set on 200 is aligned, institute
Display surface is equal to or approximately equal to width Lb of the micro structure array on Grating Film 300 on the direction perpendicular to grating rib
Center spacing (L0+L1+R0) on the long side direction of plate 200 between first alignment mark M11 and the second alignment mark M12.Using
CCD is aligned, and is fitted to Grating Film 300 on display panel 200 using liquid optical cement or pressure sensitive adhesive 340.
Figure 14 is refer to, what is preferentially ensured during due to laminating is a certain bar rib (such as nth bar) and display surface of Grating Film 300
The effective display area domain justified margin of plate 200, and the effective display area domain left hand edge of display panel 200 is to alignment mark M11's
Apart from L0 may not be Grating Film 300 in minimum repeat unit (microstructure unit) width W_U integral multiple, by L0/W_U institutes
It must be worth and round as N1, such as L0/W_U=10.7 downwards, then N1=10, now the first of Grating Film 300 rib is aligned with first
Mark the spacing G_ul=0.7W_U, the spacing G_dl=0.7W_ between first article of rib and the 3rd alignment mark M21 between M11
U.The effective display area domain left hand edge of display panel 200 may not also be Grating Film 300 apart from L1+R0 to alignment mark M12
In minimum repeat unit (microstructure unit) width W_U integral multiple, (L1+R0)/W_U income values are rounded downwards as N2,
Such as (L1+R0)/W_U=1000.2, then N2=1000, now the last item rib of Grating Film 300 and the second alignment mark M12 it
Between spacing G_ur=0.2W_U.
During actual contraposition, first rib of Grating Film 300 is obtained under CCD with the image of the last item rib and according to image
In proportion grading go out image to the distance at corresponding alignment mark center, work as G_ul=0.7W_U, G_dl=0.7W_U, G_ur
When=0.2W_U is that each spacing is adjusted to preset value, represent that Grating Film 300 aligns with display panel 200, now both without angle
Error also without the position deviation on the length direction of display panel 200, as long as and on the short side direction of display panel 200 Grating Film
300 all do not influence without departing from face plate edge on display effect, without especially consideration.In the case, it is each in Grating Film 300
The width of micro structure array is Lb=(N1+N2) W_U, the value and the first register guide on display panel 200 in microstructure area
Remember that the center spacing L0+L1+R0 between M11 and the second alignment mark M12 is approached, both difference L0+L1+R0-Lb<2W_U.
In the case of above-mentioned, when being aligned by CCD observations, because Grating Film 300 is in alignment mark such as the first register guide
Remember outside M11 and the second alignment mark M12 without microstructure unit, can be easy to recognize first grating rib and the last item
Grating rib is without producing interference.
Figure 15 is refer to, the Grating Film 300 and display panel 200 in 3 d display device 1000 pass through display panel
When 200 effective display area edge is aligned, the width Lb of the micro structure array on Grating Film 300 used be equal to or
It is approximately equal to the length L1 of the long side direction effective display area domain of display panel 200.
Figure 16 is refer to, what is preferentially ensured during laminating is first rib and the effectively display of display panel 200 of Grating Film 300
Region left hand edge alignment.Minimum repeat unit in the length L1 of the effective display area of display panel 200 is just Grating Film 300
During (microstructure unit) width W_U integral multiple, as shown in C3 in Figure 16, the last item rib and display panel of Grating Film 300
200 effective display area right hand edge alignment, now both without angular error or without the position on the length direction of display panel 200
Deviation, as long as and Grating Film 300 does not all have shadow without departing from face plate edge to display effect on the short side direction of display panel 200
Ring, without especially consideration.In the case, the width of the micro structure array in Grating Film 300 in each microstructure area is Lb
=L1.
Minimum repeat unit (micro-structural in the length L1 of the effective display area of display panel 200 is not Grating Film 300
Unit) width W_U integral multiple when, in such as Figure 16 shown in C3 ', L1/W_U income values are rounded up as N2, such as L1/W_U=
1000.2, then N2=1001, now the last item rib of Grating Film 300 and the effective display area right hand edge of display panel 200 away from
From G0=0.8W_U.
During actual contraposition, first rib of Grating Film 300 is obtained under CCD with the image of the last item rib and according to image
In proportion grading go out image to the spacing of the effective display area domain left hand edge of display panel 200 or right hand edge, when left hand edge spacing
When right hand edge spacing is that i.e. each spacing of G0=0.8W_U is adjusted to preset value for 0, Grating Film 300 and display panel 200 are represented
Alignment, now both without angular error or without the position deviation on the length direction of display panel 200, and in display panel 200
As long as Grating Film 300 does not all influence without departing from face plate edge on display effect on short side direction, without especially consideration.In this feelings
Under condition, the width of micro structure array is Lb=W_U*N2 in each microstructure area in Grating Film 300, and Lb is slightly larger than L1, both
Difference Lb-L1<W_U.
In the case of above-mentioned, when being aligned by CCD observations, due to the effective display area domain left hand edge of display panel 200
Outside without micro-structural, there is no or only a grating rib in the effective display area domain right hand edge of display panel 200, can hold very much
Easily positioned without producing interference.
Grating Film 300 and 3 d display device 1000 that the present embodiment is provided, by setting multizone on Grating Film 300
The multiple micro structure arrays being spaced apart, make the width equal to or approximately equal to display panel in each micro structure array region
The center spacing of 200 effective coverages, two alignment marks in the length or the long side direction of display panel 200 on long side direction,
Grating Film 300 can be observed and with the alignment mark on display panel 200 or effective display area with display panel 200 by CCD
The edge in domain is aligned, it is ensured that Grating Film 300 and the standard of the contraposition laminating of display panel 200 in 3 d display device 1000
True property, it is to avoid first fitted in existing flow, then light display screen and be presented red green synthesising picture, fine setting Grating Film 300 with it is aobvious
Show the relative position of panel 200 until watching the Complicated Flow of preferable red green light splitting, precuring etc., greatly improve contraposition
Efficiency, reduces hand labor, is easy to automated production.
In summary, relative to the nonseptate Grating Film for spreading all over identical microstructure unit in existing entire surface, this
The Grating Film that utility model embodiment is provided passes through according to certain multiple microstructure areas of interval setting, each microstructure area
Multiple structure identical microstructure units are inside all included, and without microstructure unit in being spaced so that each micro- knot of Grating Film
There are blank spaces structure region both sides, you can by the grating rib and blank spaces positioned at each microstructure area both sides of the edge come
Reference when being cut and being aligned is compared.In addition, the width at interval is more than or equal to the effective display area of the display panel
The width sum of the invalid viewing area in both sides, the interval width of each microstructure area both sides is also used for cutting enough, due to interval
It is interior to produce error when cutting without microstructure unit, secondary cutting amendment can be also carried out after finally aligning.
Therefore, when the Grating Film provided using the utility model embodiment is to be aligned, first grating can be obtained by CCD
The alignment mark when image of rib and the last item grating rib is fitted as Grating Film with display panel, it is ensured that display panel with
The relative positional accuracy on angle precision and long side direction when Grating Film is fitted, is eliminated necessary in existing alignment mode
Red green correction link, improves production efficiency.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of Grating Film, it is adaptable to the assembling of display panel in 3 d display device, it is characterised in that including Grating Film base
Material, the side of the grating film base material is provided with the first micro structure array, and first micro structure array is away from the Grating Film
The side of base material is provided with the second micro structure array；
First micro structure array includes identical comprising multiple structures in multiple microstructure areas, each microstructure area
Microstructure unit, provided with interval between each described microstructure area, there is no microstructure unit, the interval in the interval
Width be more than or equal to the display panel the invalid viewing area in effective display area both sides width sum；
Microstructure unit in second micro structure array in the side close to first micro structure array, with it is described
The structure of microstructure unit adaptation in first micro structure array；
Microstructure unit in second micro structure array is in the side away from first micro structure array, with smooth
Surface.
2. Grating Film according to claim 1, it is characterised in that
First micro structure array is that optical cement is formed with second micro structure array；
Form the refractive index of optical cement of the optical cement of first micro structure array with forming second micro structure array not
Together.
3. Grating Film according to claim 2, it is characterised in that first micro structure array and second micro-structural
Array is that liquid optical cement is formed.
4. Grating Film according to claim 2, it is characterised in that form the optical cement and shape of first micro structure array
Specific refractivity into the optical cement of second micro structure array is more than or equal to 0.2.
5. Grating Film according to claim 1, it is characterised in that
Side of the grating film base material away from first micro structure array is provided with pressure sensitive adhesive；
Side of the pressure sensitive adhesive away from the grating film base material is provided with mould release membrance.
6. Grating Film according to claim 1, it is characterised in that the microstructure unit tool in first micro structure array
There is trapezoid cross section.
7. Grating Film according to claim 1, it is characterised in that the material of the grating film base material is PET.
8. a kind of 3 d display device, it is characterised in that including any one of back light unit, display panel and claim 1 to 7
Described Grating Film；
The display panel is arranged at the side of the back light unit light extraction, and it is remote that the Grating Film is fitted in the display panel
The side of the back light unit；
The Grating Film has multiple microstructure units in the effective display area on the long side direction of the display panel.
9. 3 d display device according to claim 8, it is characterised in that two outside the effective display area of the display panel
Side is relatively set with the first alignment mark and the second alignment mark；
The line of centres of first alignment mark and second alignment mark is parallel with the long side of the display panel；
The Grating Film is region of first alignment mark away from the second alignment mark side, and described second pair
Position region of the mark away from the first alignment mark side does not have complete microstructure unit.
10. 3 d display device according to claim 9, it is characterised in that on the display panel be provided with it is described
First alignment mark the same side is additionally provided with the 3rd alignment mark；
The line of centres of first alignment mark and the 3rd alignment mark is parallel with the short side of the display panel.
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| CN201720168132.4U CN206479660U (en) | 2017-02-23 | 2017-02-23 | Grating Film and 3 d display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842398A (en) * | 2017-02-23 | 2017-06-13 | 宁波视睿迪光电有限公司 | Grating Film, 3 d display device and alignment method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106842398A (en) * | 2017-02-23 | 2017-06-13 | 宁波视睿迪光电有限公司 | Grating Film, 3 d display device and alignment method |
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Denomination of utility model: Grating film and three-dimensional display device Effective date of registration: 20200611 Granted publication date: 20170908 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: JIANGSU THREDIM PHOTOELECTRIC Co.,Ltd. Registration number: Y2020330000333 |
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Date of cancellation: 20211015 Granted publication date: 20170908 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO THREDIM OPTOELECTRONICS Co.,Ltd. Registration number: Y2020330000333 |
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