CN101533121B - Optical film, die for forming optical film and method for manufacturing die - Google Patents
Optical film, die for forming optical film and method for manufacturing die Download PDFInfo
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- CN101533121B CN101533121B CN200810084062XA CN200810084062A CN101533121B CN 101533121 B CN101533121 B CN 101533121B CN 200810084062X A CN200810084062X A CN 200810084062XA CN 200810084062 A CN200810084062 A CN 200810084062A CN 101533121 B CN101533121 B CN 101533121B
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Abstract
The invention provides an optical film, a die for forming the optical film and a method for manufacturing the die. The optical film comprises a flat-shaped substrate, a plurality of first optical structures which are adjacently arranged and consubstantially protrude on the substrate, and a plurality of second optical structures which consubstantially protrude on the substrate and respectively span at least two first optical structures. The included angle of the first optical structure and the second optical structure is in the range of 5 degrees to 90 degrees, the width of the second optical structure turns narrow gradually from the middle position to the two reverse ends and the height thereof is diminished gradually from the middle position to the two reverse ends. By the two-dimensional prism structure design consisting of the first optical structure and the second optical structure and the arrangement design of the second optical structures, the light-collecting and anti-interference effects of the optical film can be achieved, thus facilitating the processing and manufacture of the die.
Description
Technical field
The present invention relates to the method for making of a kind of diaphragm, mould and mould, be meant a kind of blooming piece especially, in order to the method for making of the mould of the mould of forming optical film and forming optical film.
Background technology
In present LCD, for the image brilliance that display is shown can be comparatively even, the optics module that is made of the collocation of multi-disc blooming piece normally is set in display reaches this purpose, and the blooming piece of this class roughly can be divided into two kinds of light-focusing type and diffuseds.Blooming piece with light-focusing type, generally can be called prismatic lens, concentration piece or brightness enhancement film etc., mainly be by a flat-shaped substrate in constructional design in early days, and many compartment of terrains are based in, and the unidirectional linearity of substrate top surface is prismatic to be constituted, the design of another kind of bidirectional linear prism is also arranged in the recent period, for example: the US7232250 patent, this kind design mainly is the light harvesting effect that the early stage prismatic lens of improvement can only have on single direction, increase the light harvesting effect of other direction by the bidirectional linear prism, but easy appearance interference and prismatic easily by the doubt of scratch is but arranged.
In addition, the prism structure that the part blooming piece is also arranged is to make with nonlinear way, for example: US6751505, US7220026, US7252428 and the shown content of US2006-0146562 equal sign patent case, although help to reduce interference and increase gain direction, but all be difficult to existing machining machine and tool processing and fabricating, the minus effect that causes cost of further processing to uprise.
In addition; because after the blooming piece moulding; usually can be covered on layer protecting film and be equipped with on the prismatic side; so that protection is prismatic; but because of general prism mostly is to be designed to contour shape and to have tip peaks portion; make this diaphragm when installing, easily rub because of foreign object; for example relativity motion etc.; prismatic tip peaks portion is subject to the foreign object scratch, for example Shang Fang polaroid or diffusion sheet scratch, or hand scratch etc. when installing; and cause the prism in whole piece zone or the peak portion of whole piece prism to produce the scratch distortion easily; make blooming piece produce irregular assorted point, and then influence the effect of whole blooming piece, and reduce module installing yield.
Summary of the invention
The objective of the invention is is providing a kind of blooming piece that makes things convenient for processing and fabricating and can reach two-dimentional light harvesting effect.
Another object of the present invention provides a kind of prismatic optical texture peak that reduces by the blooming piece of the incidence of foreign matter scratch.
A further object of the present invention provides a kind of blooming piece of interfering the shadow lines that reduces.
Another object of the present invention provides a kind of mould in order to the above-mentioned blooming piece of moulding.
A further object of the present invention provides a kind of manufacture method of above-mentioned mould.
Blooming piece of the present invention, comprise one have opposite one first with one second flat-shaped substrate, many adjacent arrangements and be based in strip first optical texture of surface of first base along first direction with extending, and many be based in the surface of first base and strip second optical texture of at least two first optical textures of leap respectively along second direction with extending, and the width of each bar second optical texture is to narrow down gradually toward its two end opposite from the position, intermediate portion, and highly also is to diminish gradually toward its two end opposite from the position, intermediate portion.
The present invention is in order to the mould of the above-mentioned blooming piece of moulding, a slice printing opacity matrix can be embossed into blooming piece with many staggered strip first optical textures and second optical texture, this mould comprises a die ontology with a forming surface, and this forming surface is concaved with many and arranges in regular turn and in order to first groove of imprinting moulding first optical texture, and many crossed at least two first grooves respectively and in order to second groove of imprinting moulding second optical texture, the width of each bar second groove is to narrow down gradually toward its two ends from the position, intermediate portion, and the degree of depth also is to shoal gradually toward its two ends from the position, intermediate portion.
The present invention makes the method for the mould of the above-mentioned blooming piece of moulding, comprises following steps: a die ontology (a) is set; (b) depict elongated first groove of the adjacent arrangement of most bars in a forming surface of die ontology with the knife edge of an icking tool; And (c) with the knife edge of a cutting knife, depict most bars in the forming surface of die ontology and cross at least two first grooves respectively, and respectively with second groove of a predetermined angular of first groove folder.
Beneficial effect of the present invention is: see through first optical texture of blooming piece and the two-dimentional prism structure design that second optical texture is constituted, can be by the arrangement design of second optical texture, the light harvesting and the anti-interference effect that reach blooming piece are arranged, and can make things convenient for the processing and manufacturing of mould.
Description of drawings
Fig. 1 is the stereographic map of first embodiment of blooming piece of the present invention;
Fig. 2 is the vertical view of this first embodiment;
Fig. 3 is the front view of this first embodiment;
Fig. 4 is the right side pseudosection of this first embodiment;
Fig. 5 is the manufacturing process synoptic diagram in order to the mould of this blooming piece of moulding;
Fig. 6 is the vertical view of this first embodiment, and the another kind of second optical texture arrangement mode is described;
Fig. 7 is the view of similar Fig. 6, and the another kind of second optical texture arrangement mode is described;
Fig. 8 is the stereographic map of second embodiment of blooming piece of the present invention;
Fig. 9 is the local front view of this second embodiment, and the another kind of passivation peak portion external form of first optical texture is described;
Figure 10 is the view of similar Fig. 9, and the another kind of passivation peak portion external form of first optical texture is described; And
Figure 11 is that blooming piece of the present invention and two kinds of commercially available blooming piece samples carry out light harvesting test curve map relatively.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
The present invention be described in detail before, be noted that in the following description content, similar elements is represented with identical Reference numeral.
As Figure 1-3, first embodiment of blooming piece of the present invention, be applicable to and be installed in the LCD (figure does not show), can be in order to as Nonopaque type light harvesting film, transmission-type diffusion barrier etc., in the present embodiment, to be applied as Nonopaque type light harvesting film is that example describes, and when still implementing, the application mode of this blooming piece 2 is not as limit.
This blooming piece 2 comprises a flat-shaped substrate 3 for having the light transmission diaphragm of two-dimension optical prism structure, and many strip first optical textures 4 and strip second optical texture 5 that are based in respectively on the substrate 3.
This substrate 3 has upper and lower opposite first 31 and second 32, first optical texture, 4 parallel interval and extend the ground consubstantiality along first direction and be based in first 31 of substrate 3, second optical texture 5 extends along second direction, and crosses over many first optical textures 4 ground consubstantialities and be based in first 31 of substrate 3.In the present embodiment, the front and back that first direction is defined as Fig. 1 to, and second direction be defined as Fig. 1 about to, but when implementing not as limit.
Left and right two long side surfaces 41 of first optical texture 4 up extend near engaging in opposite directions from first 31 of substrate 3 respectively, and constitute the triangular prism section.Peak and root edge for convenient difference first optical texture 4 are to represent the root edge of first optical texture 4 with thick black line in Fig. 2, and represent the peak of first optical texture 4 with thin black line.
As Fig. 1,2, shown in 4, second optical texture 5 is circular arc knife edge shape, and all around arrange the compartment of terrain gradually, the height of each bar second optical texture 5 is toward its left side from the position, intermediate portion, right-hand member is step-down gradually, its centre-height equates with first optical texture 4 approximately, and the left and right end portions height is lower than first optical texture 4, its width also is to hold to narrow down gradually about the position, intermediate portion is toward it, and before it, back two long side surfaces 51 up extend joint in opposite directions from first 31 of substrate 3 respectively, and constitute the triangular prism section, and press from both sides a predetermined angular with its staggered first optical texture 4 of crossing over.
In the present embodiment, the angle that two long side surfaces of first optical texture 4 and second optical texture 5 are 41,51 roughly is about 90 °, first optical texture, 4 high 25 μ m, wide 50 μ m, the about 25 μ m of the centre-height of second optical texture 5, length is 1.8mm, and crosses over 36 first optical textures 4 respectively, and the angle of second optical texture 5 and first optical texture 4 all is 90 °.
The two-dimension optical prism structure design that is constituted by above-mentioned first optical texture 4 and second optical texture, 5 staggered extensions, the two-dimentional light harvesting effect that can utilize this two-dimension optical prism structure to be produced, make this blooming piece 2 reach the height light harvesting, and promote symmetry light harvesting effect simultaneously.
Table 1 is blooming piece 2 of the present invention and two kind of result that commercially available blooming piece sample carries out the light harvesting test with Figure 11, wherein, the present invention tests with three kinds of blooming pieces 2 that have different second optical texture, 5 distribution densities respectively, wherein, low-density is defined as every front and back interval 500 μ m one second optical texture 5 is set, middle density is that every front and back interval 300 μ m are provided with one second optical texture 5, and high density is that every front and back interval 50 μ m are provided with one second optical texture 5.And commercially available sample 1 is two microlens type blast diffusion barriers that repeatedly connect mutually, MN Tech UTE2.1 for example, and commercially available sample 2 is a slice one dimension prismatic lens brightness enhancement film superposition a slice diffusion sheet, for example CM30+PBS070.
By the curve of table 1 data and Figure 11 as can be known, the light harvesting effect that blooming piece 2 of the present invention is produced is better than general blooming piece really, and yield value is also quite high, wherein, when second optical texture, 5 distribution densities increased, the symmetry light harvesting effect of this blooming piece 2 obviously was better than general blooming piece.
Table 1
During enforcement, 41 angular range of two long side surfaces of first optical texture 4, and the angular range of 51 of two long side surfaces of second optical texture 5, can be respectively between 60 °～140 °, and second optical texture, 5 length ranges can be between between 10 μ m～50cm, each bar second optical texture 5 can be crossed over first optical texture 4 of varying number, and the centre-height that can be designed to part second optical texture 5 is higher than first optical texture, 4 shapes.
And the angular range of 4 of second optical texture 5 and first optical textures can be between 5 °～90 °, and second optical texture 5 respectively and the angle of 4 of first optical textures of its leap also can be designed to shape inequality, make second optical texture 5 be the irregular alignment shape or be the pseudo-random permutation shape.Wherein, when angle during, can cause second optical texture 5 and first optical texture 4 near parallel, and the arrangement of win optical texture 4 and 5 of second optical textures is similar to less than 5 °, and therefore the blooming piece of similar general one dimensional optical configuration structure is not suitable for.
Shown in Fig. 1,3,5, just below at describing in order to the mould 6 of the above-mentioned blooming piece 2 of moulding manufacture method with this mould 6.When this mould 6 is made, comprise following steps in regular turn:
Step (one): die ontology 61 is set.With about one cylindrical mold body 61 that extends, can be turned coaxial of being installed in a die sinking device 9 in ground turns on the seat 91, and this die ontology 61 has a smooth forming surface 610, and in the present embodiment, this forming surface 610 is the outer peripheral face of die ontology 61.
Step (two): carry out the one dimension die sinking.The knife edge 921 of an icking tool 92 of die sinking device 9 is pressed against die ontology 61 forming surface 610, order about this then and turn this die ontology 61 rotations of seat 91 drives, make this icking tool 92 depict ring-type first groove 611 in these die ontology 61 forming surface 610, and after one first groove 611 is finished in every delineation, move icking tool 92 along die ontology 61 length directions accent, and repeat above-mentioned one dimension die sinking action, and depict many first grooves 611 that are arranged in parallel along its length direction in these die ontology 61 outer peripheral faces.
Step (three): carry out two-dimentional die sinking.After the one dimension die sinking operation of completing steps (two), remove this icking tool 92, and on this die sinking device 9, be provided with one around the round cutting knife 93 that rotates from the axon heart, and the axle center of this cutting knife 93 and predetermined angular of this die ontology 61 axle center folder.Then, again with by the local knife edge 931 of the round cutter 93 that turned, depict about many in these die ontology 61 outer peripheral faces and to extend and separately, and respectively with the second staggered groove 613 of many first grooves 611, and the degree of depth of second groove 613 is shallow than first groove 611.Wherein, the knife edge 931 radius-of-curvature of this round cutter 93 are 8 μ m, so second groove 613 can be circular arc knife edge shape, and its width is to contract toward its left and right two ends are narrow gradually from the position, intermediate portion, and its degree of depth also is to shoal gradually toward its left and right both ends from the position, intermediate portion.
After finishing above-mentioned steps, mould 6 in order to forming optical film 2 just completes, and can come the required blooming piece 2 of moulding by this mould 6, its molding mode for these mould 6 roll extrusion on the printing opacity diaphragm of a slice coating UV photoresists (figure does not show), and through UV rayed exposure generation curing, make first groove 611 and second groove 613 go out first optical texture 4 and second optical texture 5 of blooming piece 2 respectively at this printing opacity diaphragm surface forming, and behind mould, just finish the manufacturing of blooming piece 2 with the prismatic configuration structure of two-dimension optical, but when implementing, also can use mode moulding such as hot pressing, and not exceed in the above described manner.
In the present embodiment, the section of first groove 611 and second groove 613 all is to be the triangular prism shape, and the angle between two long side channel faces of first groove 611 and second groove 613 roughly is about 90 °, and second groove 613 is by distributing gradually at interval from left to right, its length is about 1.8mm, and cross over 36 first grooves 611 respectively, and it is 90 ° with the angle of its first groove of crossing over 511 respectively.
But when implementing, the angular range of two long side channel faces of first groove 611 and second groove 613 can be between 60 °～140 °, and second groove, 613 length ranges can be between between 10 μ m～50cm, and each bar second groove 613 can be crossed over first groove 611 of varying number, and 611 angular range of second groove 613 and first groove can be between 5 °～90 °, and second groove 613 respectively and the angle of 611 of first grooves of its leap also can be designed to shape inequality, make second groove 613 be the irregular alignment shape or be the pseudo-random permutation shape, and second optical texture 5 of irregular alignment can be arranged in order to forming device.
In addition, in the present embodiment, be cylindric in order to the die ontology 61 that constitutes mould 6, but when implementing, this mould 6 also can be a tabular, and during die sinking, is directly to make this icking tool 92 relative die ontology 61 surface displacements, and extend depict many in these tabular die ontology 61 surfaces before and after and between left and right every strip first groove 611, and depict second groove 613 with the local knife edge of this round cutter 93.And during these tabular mould 6 forming optical films 2, its mode and above-mentioned cylindrical mold body 61 are roughly the same, therefore no longer describe in detail.
Moreover, do not exceed in order to the cutting knife 93 that depicts second groove 613 with circle, this cutting knife 93 also can be designed to employed icking tool 92 shapes of step (two), and in delineation second groove 613 processes, downward modulation moves this cutting knife 93 on the die ontology 61 relatively, the knife edge 931 that changes this cutting knife 93 is scored into the degree of depth of forming surface 610, can depict above-mentioned second groove, 613 external forms equally.And in delineation first groove 611 and second groove, 613 processes, can make this icking tool 92 relative die ontology about 61 reciprocal beats, or make this reciprocal beat in cutting knife 93 relative die ontology 61 front and back, and then make first groove 611 that constitutes delineated or second groove 613 to be Curved Continuous curved, but when implementing, these cutting knife 93 external forms, and this cutting knife 93 is delineated the mode of second groove 613 and first groove 611 respectively not as limit with icking tool 92.
What deserves to be mentioned is, when second optical texture 5 of circular arc knife edge shape is when being spaced gradually, can be by the prismatic configuration structure of the two-dimension optical that first optical texture 4 and second optical texture 5 are constituted, improve the light harvesting effect of blooming piece 2, and can be by the distribution density that changes second optical texture 5, the symmetry light harvesting effect of coming modulation blooming piece 2.And when second optical texture 5 is irregular alignment shape or pseudo-random permutation shape, can make light produce the phenomenon of irregular refraction whereby, and can be with highly higher first optical texture, the 4 distortion optical effect obfuscations that the peak produced, the interference shadow lines phenomenon that the dark portion of strip highlights and strip constitutes can be significantly improved, and then the image quality of the display that is constituted can be promoted.
Shown in Fig. 2,6,7, be other two kind of second optical texture 5 arrangement mode, wherein a kind of arrangement shape that continues about being, and another kind be about local overlapping shape, but when implementing, not as limit.
Shown in Fig. 6,8, second embodiment of blooming piece of the present invention and the difference between first embodiment only are the structural design of first optical texture 4.For convenience of description, only describe below at present embodiment and first embodiment difference place.
In first embodiment, the section of first optical texture 4 and second optical texture 5 all is the triangular prism shape with sharp end, and all is the triangular prism shape with sharp end in order to first groove 611 of the mould 6 of this blooming piece 2 of moulding and the section of second groove 613.
But in the present embodiment, two long side surfaces, 41 apical margins of first optical texture 4 do not engage, and constitute the peak portion of passivation, and first optical texture 4 is higher than second optical texture 5.In the present embodiment, end face 40 width ranges with first optical texture 4 of passivation peak portion be between two minutes of 0.5 μ m～its root edge width one, but when implementing, the passivation peak portion structure of first optical texture 4 is not as limit, also can be designed to have as shown in Figure 9 the triangular prism section of circular arc peak portion, or semicircle section as shown in figure 10.Similarly, when second optical texture 5 was designed to have passivation peak portion, the passivation peak portion external form of second optical texture 5 also can be designed to the profile shown in Fig. 9,10, and when implementing not as limit.
By higher and have first optical texture, 4 structural designs of blunt end; when diaphragm (figure do not show) when being covered on this blooming piece 2; can utilize the blunt end structure of first optical texture 4; improve the anti-deformation intensity of first optical texture 4; and the peak portion that can significantly reduce by first optical texture 4 when installing easily because of foreign object friction scratch, or incidences such as hand scratch during installing.Opposite, when second optical texture 5 of want moulding is higher than first optical texture 4, second groove 613 can be designed to have passivation root edge external form, make second optical texture 5 of corresponding moulding have passivation peak portion structure, in order to reduce by second optical texture 5 by the amplitude of foreign object scratch.
Corresponding above-mentioned have first optical texture 4 of blunt end or the blooming piece 2 of second optical texture, 5 structures, this mould 6 is the profiles that are designed to have the passivation root edge in order to first groove 611 of moulding first optical texture 4 and second optical texture 5 and the section of second groove 613.And this mould 6 is when making, be by the knife edge 921 that changes employed icking tool 92 in the above-mentioned manufacture method or the knife edge 931 external forms of cutting knife 93, make first groove 611 delineated or the section of second groove 613 have the passivation root edge, but when implementing, first groove 611 of this mould 6 and the molding mode of second groove 613 be not as limit.
Conclude above-mentioned; through first optical texture 4 of this blooming piece 2 and the two-dimension optical prism structure design that second optical texture 5 is constituted; can be by the arrangement design of second optical texture 5 of circular arc knife edge shape; effectively improve the light harvesting effect and the anti-interference effect of blooming piece 2; and can significantly reduce the destruction amplitude of diaphragm by first optical texture 4 and second optical texture 5 are designed to have the blunt end structure to first optical texture 4 and second optical texture, 5 peaks.And the prismatic configuration structural design of the two-dimension optical of this blooming piece 2, also can make things convenient for the processing and manufacturing of mould 6, only need with icking tool 92 and round cutter 93 respectively at depicting first groove 611 and second groove 613 on the die ontology 61, just can finish the processing and manufacturing of mould 6, quite convenient and simple, so very practical really and progressive.
Claims (16)
1. blooming piece, comprise flat-shaped substrate, described substrate has opposite first and second, it is characterized in that: described blooming piece also comprises many adjacent arrangements and is based in strip first optical texture of described surface of first base along first direction with extending, and many be based in the described surface of first base and strip second optical texture of at least two described first optical textures of leap respectively along second direction with extending, the angular range of first optical texture and second optical texture is between 5 °～90 °, and the width of described second optical texture of each bar is to narrow down gradually toward its two end opposite from the position, intermediate portion, and highly also is to diminish gradually toward its two end opposite from the position, intermediate portion.
2. blooming piece according to claim 1 is characterized in that: described first optical texture up extends from described substrate first face respectively in opposite directions with two opposite long side surfaces of described second optical texture.
3. blooming piece according to claim 2, it is characterized in that: described first optical texture and described second optical texture are not contour, and two long side surfaces of height the higher person do not engage and constitute a passivation peak portion in described first optical texture and described second optical texture.
4. blooming piece according to claim 3 is characterized in that: the peak portion apical margin width that has the described passivation peak person of portion in described first optical texture and described second optical texture is greater than 0.5 μ m, but smaller or equal to two minutes of its root edge width one.
5. according to claim 2,3 or 4 described blooming pieces, it is characterized in that: the arrangement of described second optical texture is to be irregular or pseudo-random permutation.
6. the mould of a forming optical film, a slice printing opacity matrix can be embossed into blooming piece with many staggered strip first optical textures and second optical texture, it is characterized in that: described mould comprises die ontology, described die ontology has forming surface, and described forming surface is concaved with many and arranges in regular turn and in order to first groove of imprinting moulding first optical texture, and many crossed at least two described first grooves respectively and in order to second groove of imprinting moulding second optical texture, the angular range of first groove and second groove is between 5 °～90 °, the width of described second groove of each bar is to narrow down gradually toward its two ends from the position, intermediate portion, and the degree of depth also is to shoal gradually toward its two ends from the position, intermediate portion.
7. the mould of forming optical film according to claim 6 is characterized in that: two long side channel faces of described first groove and described second groove are to extend out extension from its bottom land edge is opposing gradually respectively.
8. the mould of forming optical film according to claim 7, it is characterized in that: described first groove and described second gash depth do not wait deeply, and the dark person's of the middle degree of depth of described first groove and described second groove two long side channel face bases do not engage and constitute the passivation root edge.
9. the mould of forming optical film according to claim 8 is characterized in that: the root edge width that has passivation root edge person in described first groove and described second groove is greater than 0.5 μ m, but smaller or equal to two minutes of its apical margin width one.
10. according to the mould of claim 7,8 or 9 described forming optical films, it is characterized in that: the arrangement of described second groove is to be irregular or pseudo-random permutation.
11. mould according to claim 7,8 or 9 described forming optical films, it is characterized in that: described die ontology is to be cylindric, and described forming surface is around its axle center in the form of a ring, and described first groove is to be spaced and around described axle center in the form of a ring along described die ontology length direction respectively, and described second groove is to extend along described die ontology length direction respectively.
12. a method of making the mould of forming optical film as claimed in claim 6, it is characterized in that: comprise: step (a) is provided with die ontology; Step (b) depicts elongated first groove of many adjacent arrangements in described die ontology surface with the knife edge of icking tool; And step (c), depict many second grooves of crossing at least two described first grooves respectively in the die ontology surface with the knife edge of cutting knife, and first groove and the second groove angular range are between 5 °～90 °.
13. manufacturing according to claim 12 is characterized in that in order to the method for the mould of forming optical film: the degree of depth of second groove that the cutting knife of first groove that the icking tool of step (b) is delineated and step (c) is delineated does not wait deeply
14. according to claim 12 or 13 described manufacturings method in order to the mould of forming optical film, it is characterized in that: the die ontology of step (a) is to be cylindric, the icking tool of step (b) is to depict first groove around the die ontology outer peripheral face, and first groove is to be arranged in parallel along the die ontology length direction respectively, and in the form of a ring, second groove that the cutting knife of step (c) is delineated is to extend along the die ontology length direction respectively around the die ontology axle center respectively.
15. manufacturing according to claim 14 is characterized in that in order to the method for the mould of forming optical film: the icking tool of step (b) is in the delineation first groove process, and described die ontology can be around rotating relative to icking tool from the axon heart.
16. manufacturing according to claim 15 is in order to the method for the mould of forming optical film, it is characterized in that: the cutting knife of step (c) is rounded and can be along rotating from the axon heart, and step (c) is that the local knife edge with described round cutter depicts second groove.
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| CN200810084062XA CN101533121B (en) | 2008-03-14 | 2008-03-14 | Optical film, die for forming optical film and method for manufacturing die |
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| CN200810084062XA CN101533121B (en) | 2008-03-14 | 2008-03-14 | Optical film, die for forming optical film and method for manufacturing die |
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| CN101533121B true CN101533121B (en) | 2011-05-04 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102455448A (en) * | 2010-10-27 | 2012-05-16 | 联建(中国)科技有限公司 | Brightness enhancement film and liquid crystal display module with the same |
| CN109270610B (en) * | 2014-08-26 | 2021-07-09 | 友辉光电股份有限公司 | Method for forming concave-convex structure on substrate and method for manufacturing mold |
| CN106773237B (en) * | 2015-11-19 | 2020-02-28 | 宁波长阳科技股份有限公司 | Brightness enhancement film |
| TWI649585B (en) * | 2017-01-18 | 2019-02-01 | K Laser Technology Inc. | Optical film structure and manufacturing method thereof, and projection system |
| CN114217366A (en) * | 2021-12-31 | 2022-03-22 | 深圳市聚飞光学材料有限公司 | Optical film, preparation method, optical film mold and display device |
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| CN2457631Y (en) * | 2001-01-12 | 2001-10-31 | 唐世杰 | Wave surface light focusing sheet |
| CN2615679Y (en) * | 2003-04-23 | 2004-05-12 | 唐世杰 | Uniform wave surface light-focusing sheet |
| CN2800320Y (en) * | 2005-05-20 | 2006-07-26 | 庄誌伦 | Light-gathering sheet of prism |
| CN1896776A (en) * | 2005-07-13 | 2007-01-17 | 三星电子株式会社 | Prism member, backlight assembly provided with the same, and display device provided with the same |
| CN101000387A (en) * | 2006-01-14 | 2007-07-18 | 鸿富锦精密工业（深圳）有限公司 | Prism and backlight module using the prism |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2457631Y (en) * | 2001-01-12 | 2001-10-31 | 唐世杰 | Wave surface light focusing sheet |
| CN2615679Y (en) * | 2003-04-23 | 2004-05-12 | 唐世杰 | Uniform wave surface light-focusing sheet |
| CN2800320Y (en) * | 2005-05-20 | 2006-07-26 | 庄誌伦 | Light-gathering sheet of prism |
| CN1896776A (en) * | 2005-07-13 | 2007-01-17 | 三星电子株式会社 | Prism member, backlight assembly provided with the same, and display device provided with the same |
| CN101000387A (en) * | 2006-01-14 | 2007-07-18 | 鸿富锦精密工业（深圳）有限公司 | Prism and backlight module using the prism |
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