CN101165512A - Optical thin film capable of overcoming optical defect - Google Patents

Optical thin film capable of overcoming optical defect Download PDF

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Publication number
CN101165512A
CN101165512A CNA2006101363402A CN200610136340A CN101165512A CN 101165512 A CN101165512 A CN 101165512A CN A2006101363402 A CNA2006101363402 A CN A2006101363402A CN 200610136340 A CN200610136340 A CN 200610136340A CN 101165512 A CN101165512 A CN 101165512A
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China
Prior art keywords
thin film
unit
optical thin
light harvesting
optical
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Pending
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CNA2006101363402A
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Chinese (zh)
Inventor
林清彬
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APTICON Inc
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APTICON Inc
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Priority to CNA2006101363402A priority Critical patent/CN101165512A/en
Publication of CN101165512A publication Critical patent/CN101165512A/en
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Abstract

The invention comprises: a transparent substrate, a structured layer located on the transparent layer and comprising multi light-concentrating units such as prism unit; multi light-directing tiny elements located on the peak line of the light-concentrating unit or located on the surface of the light-concentrating unit or on the prism face. Said optic film can overcome some optical defects such as the wet-out coupling and Moirefringe.

Description

Can overcome the optical thin film of optical defect
Technical field
The present invention relates to optical thin film, relate in particular to a kind of optical thin film that can overcome optical defect.
Background technology
Known optical thin film is for increasing its brightness, often that two optical thin films are in addition superimposed with orthogonal thereto mutually direction, but two optical thin films or be in contact with one another or very close, can produce delustring coupling (wet-out) and More's fringe optical defects such as (Moir é fringe), the quality of deterioration optical thin film is so existing many known methods are used for improving or overcoming these optical defects.
Wherein, United States Patent (USP) 5,771 promptly discloses an optical thin film No. 328, wherein contain higher prism unit and be located at the side of low prism unit, when two optical thin films were pressed close to, higher prism unit touched another sheet optical thin film earlier, so can reduce by two delustring coupling phenomenons that film stack is fashionable, but in indistinct, still can be visual to the prism line of higher prism, flaw is unavoidable, blemish in an otherwise perfect thing.
Also there are the diffusion barrier of use or diffusion layer (diffuser) to cover up these optical defects, for example processing and fabricating diffusion layer on the one or both sides of optical thin film.But thus, but cause the scattering (scatter) of light, reduced on-axis gain (gain), and can't increase brightness (bright) degree, also manifested its shortcoming.
In view of this this case inventor is studied innovation, discloses the optical thin film that can overcome optical defect of novelty of the present invention.
Summary of the invention
For solving the problem that is proposed in the above-mentioned prior art, the present invention proposes a kind of optical thin film that can overcome optical defect (optical defects).
Optical thin film provided by the invention comprises: a transparent base layer; One structural sheet (structured layer) is connected with on described transparent base layer, is that for example prism unit is formed on the described basic unit side by side by a plurality of light harvestings unit (light-concentrating units); And a plurality of leaded light junior units (light-directingtiny elements), be connected with on the peak line (peak line) of described light harvesting unit, perhaps be connected with on the surface or prism facets of described light harvesting unit.
According to one embodiment of the invention, a kind of optical thin film that can overcome optical defect is provided, comprising: a transparent base layer; One structural sheet is made of a plurality of light harvestings unit, is connected with on described transparent base layer; And a plurality of little teats, be connected with on the top or surface of described light harvesting unit.
According to another embodiment of the present invention, provide a kind of optical thin film that can overcome optical defect, comprising: a transparent base layer; One structural sheet is made of a plurality of light harvestings unit, is to be connected with on described transparent base layer; And a plurality of little recesses, be arranged with on the top or surface of described light harvesting unit.
According to another embodiment of the present invention, provide a kind of optical thin film that can overcome optical defect, comprising: a transparent base layer; One structural sheet is made of a plurality of light harvestings unit, is to be connected with on described transparent base layer; And a plurality of little teats and little recess are located on the top or surface of described light harvesting unit.
Optical thin film of the present invention can overcome delustring (wet-out) coupling, More's fringe optical defects such as (Moir é fringe), and can promote the light harvesting and diffusion double action of this optical thin film and then gain synergistically its briliancy (brightness) and light uniformity coefficient.
Desirable entity of the present invention can be cooperated appended graphic and be able to distinct by following instructions.
Description of drawings
Fig. 1 is the synoptic diagram of the present invention the 1st embodiment.
Fig. 2 is the synoptic diagram of the present invention the 2nd embodiment.
Fig. 3 is the synoptic diagram of the present invention the 3rd embodiment.
Fig. 4 is the synoptic diagram of the present invention the 4th embodiment.
Fig. 5 is the synoptic diagram of the present invention the 5th embodiment.
Fig. 6 is the synoptic diagram of the present invention the 6th embodiment.
Fig. 7 is the synoptic diagram of the present invention the 7th embodiment.
Fig. 8 is the synoptic diagram of the present invention the 8th embodiment.
Fig. 9 is the synoptic diagram of the present invention the 9th embodiment.
Figure 10 is the synoptic diagram of the present invention the 10th embodiment.
The primary clustering symbol description:
1...... basic unit; 2...... structural sheet;
3,3a, 3b, 3c...... light harvesting unit; 4...... leaded light junior unit;
31, the 32...... surface; 33...... peak line.
Embodiment
Consult Fig. 1, optical thin film of the present invention comprises: a transparent base layer 1; One structural sheet 2 is connected with in this basic unit 1, is by a plurality of light harvestings unit 3, for example prism unit side by side, be connected with in this basic unit 1, to constitute this structural sheet 2; And a plurality of leaded light junior units 4 are connected with on the peak of this light harvesting unit 3 line 33, so constitute an optical thin film.
This transparent base layer 1 can be made the resin from the thermoplastics type, comprising: polyethylene terephthalate (PET), polycarbonate (PC) etc.
This structural sheet 2 is to be made of prism unit, also may be defined as layers of prisms or prism array (prismarray) layer; And except that prism unit, other kind can have the unit of light harvesting effect also can provide to constitute this structural sheet 2, and the present invention is not limited.
This light harvesting unit 3 is illustrated in figure 1 as a prism unit, comprises digonous minute surface 31,32, upsweep, joins into a peak line 33.
Described leaded light junior unit 4 promptly is connected with on this peak line 33, the trend that vertical axial line Y of each leaded light junior unit 4 should be in vertical direction.
This light harvesting unit 3 and this leaded light junior unit 4 can be one-body molded or molded and shaped or impression (imprint) on this basic unit 1; Can make from photosensitive type or photo-hardening type resin or thermosetting resin, comprise UV hardening resin or UV glue.
Certainly, other material also can be selected to use, and the present invention is not limited.
Respectively this leaded light junior unit 4 can be pyramid (pyramid) and contain three, tetrahedron and polyhedron; Circular cone (cone); Arc or dome-shaped teat; Moulding such as little prismatic shape or little convex lens shape, the present invention is not limited yet.
The spacing of adjacent two leaded light junior units 4 should be between between 25~300 μ m; The height of each leaded light junior unit 4 is preferably 0.5 μ m~2.0 μ m; Though and the spacing that is provided with two peak lines 33 of leaded light junior unit 4 does not add restriction, but still to be advisable less than 300 μ m; Certainly, the present invention do not limited the size of related elements, just, spacing, shape, distribution, arrangement or the like.
As shown in Figure 1, the peak line 33 that is not each prism unit is equipped with leaded light junior unit 4, wherein be provided with the prism unit of leaded light junior unit 4, it highly is higher than the prism unit that is not provided with leaded light junior unit 4, thus, when two optical thin films are superimposed with each other when increasing its brightness, the higher prism unit that is provided with leaded light junior unit 4 can be earlier with another sheet optical thin film of contact, so can avoid or reduce delustring (wet-out) coupling and More's fringe bad elephants such as (Moir é fringe).
And the peak line 33 that is provided with junior unit 4 itself also is the point of described junior unit 4 by line minimizing, shortening, the interruption of peak line 33, it is minimum that so the line picture of the visual peak line 33 in one's power of adjacent two optical thin film reasons also can be eliminated or reduce to, so many optical defects (optical defects) of known optical film have just been overcome greatly.
Above-mentioned respectively this leaded light junior unit (light-directing tiny element) 4 is presented on each light harvesting unit 3 or the prism unit, upsweep (taper), inject within each leaded light junior unit 4 by each prism unit, meeting is because of the leaded light effect of the junior unit of convergent, and the light output angle that narrows, gain axis to light harvesting (light-concentrating) effectiveness, increase the brightness or the briliancy of optical thin film by this.
The present invention also can be modified into embodiment shown in Figure 2, wherein can be between two higher light harvesting unit 3, and folder is established lower light harvesting unit 3a, and described leaded light junior unit 4 then is connected with on the peak line 33 of higher light harvesting (prism) unit 3.
As shown in Figure 3, be provided with described leaded light junior unit 4 on the peak line 33 of each light harvesting unit 3 respectively, also constitute another desirable embodiment of the present invention.
And as shown in Figure 4, respectively the peak line 33 of this light harvesting unit 3 height rises and falls, also promptly along the length variation of each peak line 33 its highly to be fluctuating fluctuated wavy, respectively should be provided with described leaded light junior unit 4 on the peak line 33 of height fluctuating this moment.
What Fig. 5 was different with Fig. 4 is: respectively this peak line 33 looks from overlooking direction, is the curved course of undaform, and 4 of described leaded light junior units are connected with on this peak line 33 respectively.
As shown in Figure 6, comprise the different light harvestings of a plurality of height unit 3,3a, 3b, 3c on this structural sheet 2, described leaded light junior unit 4 is connected with on each peak line 33.
And as shown in Figure 7, described leaded light junior unit 4 removes and is connected with on the peak of each light harvesting unit 3 line 33, also distributes, is connected with in the surface of each light harvesting unit (as prism facets) and is numbered 31,32.Be located at leaded light junior unit 4 on each prism facets 31,32 and can bring into play diffusion (light-diffusing) effect of light, make except increasing the brightness at light harvesting unit light harvesting (light-concentrating), also promoted the light uniformity coefficient of optical thin film because of light diffusion (light-diffusing) effect of these leaded light junior units, so light harvesting and light diffusion, gained jointly optical thin film of the present invention bright (brightness) degree with the light uniformity coefficient, be to complement each other, make the best of both worlds.
As shown in Figure 8, then each leaded light junior unit 4 is the shape of circular arc projection, and performance light diffusion cooperates the light harvesting effect of each light harvesting unit 3, and light diffusion and light harvesting complement each other, and increases the light uniformity coefficient and brightness (bright) degree of optical thin film and optical goods thereof.
And as shown in Figure 9, this leaded light junior unit 4 also can be modified to recess 4a with aforesaid teat.These recesses 4a can be continuous shape or be separately shape mutually, and the present invention does not limit.
And for example shown in Figure 10, described leaded light junior unit 4 is located on the surface or prism facets 31,32 of light harvesting or prism unit 3 together with teat and recess 4a, so also form another desirable embodiment of the present invention.
Aforesaid leaded light junior unit 4 is teat or standing shape also may be defined as convex lens; Be recess or the invaginated type person then may be defined as concavees lens.
Again, little protuberance or little recess also can be modified, be defined as to aforesaid leaded light junior unit 4.
Because tradition is to manage the adjacent optical diaphragm with body structure surface is physically separated in order to the practice that reduces optical defects such as delustring coupling or More's fringe, but therefore increased the thickness of made optical articles, also increased the degree of difficulty of assembling.Through this improvement of the present invention, the influence of 4 pairs of final optical articles thickness of " small " leaded light junior unit of being founded is extremely limited, but can overcome optical defects such as delustring coupling, and the brightness (bright) of gained optical thin film and optical articles thereof degree and light uniformity coefficient with making the best of both worlds, full excellence, progressive in known optical thin film product.
The present invention also can be equipped with under spirit of the present invention and the category not disobeying, and remakes suitable modification or change, and the present invention does not limit.

Claims (20)

1. optical thin film that can overcome optical defect is characterized in that comprising:
One transparent base layer;
One structural sheet is made of a plurality of light harvestings unit, is connected with on described transparent base layer; And
A plurality of little teats are connected with on the top or surface of described light harvesting unit.
2. optical thin film as claimed in claim 1 is characterized in that, described structural sheet is to constitute described light harvesting unit by a plurality of prism unit.
3. optical thin film as claimed in claim 2 is characterized in that, is provided with described little teat on the peak line of described prism unit.
4. optical thin film as claimed in claim 2 is characterized in that, is provided with described little teat on the prism facets of described prism unit.
5. optical thin film as claimed in claim 1 is characterized in that, described little teat is pyramid, taper, dome-shaped, circular arc or prismatic shape, and upwards or outwards gradually oblique.
6. optical thin film as claimed in claim 3 is characterized in that, described light harvesting unit is described little teat to be set off and on the peak line of described light harvesting unit, makes the light harvesting unit that is provided with little teat be higher than the light harvesting unit that is not provided with little teat.
7. optical thin film as claimed in claim 3 is characterized in that, is connected with described little teat on the peak line of described light harvesting unit seriatim.
8. optical thin film as claimed in claim 1 is characterized in that, described little teat is convex lens.
9. optical thin film as claimed in claim 2 is characterized in that, respectively the peak line of this prism unit is to be wavy that height rises and falls along its length.
10. optical thin film as claimed in claim 2 is characterized in that, respectively the peak line of this prism unit adopts by overlooking direction that to look be to be the wave bending.
11. optical thin film as claimed in claim 2 is characterized in that, described prism unit is the height that is different.
12. optical thin film as claimed in claim 1 is characterized in that, the described light harvesting unit of described structural sheet and described little teat are one-body molded, molded and shaped or impress in described basic unit.
13. the optical thin film that can overcome optical defect is characterized in that comprising:
One transparent base layer;
One structural sheet is made of a plurality of light harvestings unit, is to be connected with on described transparent base layer; And
A plurality of little recesses are to be arranged with on the top or surface of described light harvesting unit.
14. optical thin film as claimed in claim 13 is characterized in that, described structural sheet is to constitute described light harvesting unit by a plurality of prism unit.
15. optical thin film as claimed in claim 13 is characterized in that, described little recess is concavees lens.
16. optical thin film as claimed in claim 14 is characterized in that, respectively the peak line of this prism unit is to be wavy that height rises and falls along its length.
17. optical thin film as claimed in claim 14 is characterized in that, respectively the peak line of this prism unit adopts by overlooking direction that to look be to be the wave bending.
18. optical thin film as claimed in claim 14 is characterized in that, described prism unit is different height.
19. optical thin film as claimed in claim 13 is characterized in that, the described light harvesting unit of described structural sheet and described little recess are one-body molded, molded and shaped or impress in described basic unit.
20. the optical thin film that can overcome optical defect is characterized in that comprising:
One transparent base layer;
One structural sheet is made of a plurality of light harvestings unit, is to be connected with on described transparent base layer; And
A plurality of little teats and little recess are located on the top or surface of described light harvesting unit.
CNA2006101363402A 2006-10-16 2006-10-16 Optical thin film capable of overcoming optical defect Pending CN101165512A (en)

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Application Number Priority Date Filing Date Title
CNA2006101363402A CN101165512A (en) 2006-10-16 2006-10-16 Optical thin film capable of overcoming optical defect

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Application Number Priority Date Filing Date Title
CNA2006101363402A CN101165512A (en) 2006-10-16 2006-10-16 Optical thin film capable of overcoming optical defect

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CN101165512A true CN101165512A (en) 2008-04-23

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102354008A (en) * 2011-11-13 2012-02-15 上海光大高科技股份有限公司 Prism sheet and preparation method thereof
CN102520468A (en) * 2011-12-07 2012-06-27 北京康得新复合材料股份有限公司 Compound light gathering sheet
CN102520469A (en) * 2011-12-21 2012-06-27 北京康得新复合材料股份有限公司 Bright enhancement film with projection structures distributed uniformly
CN103018802A (en) * 2012-11-30 2013-04-03 张家港康得新光电材料有限公司 Bright enhancement film with scratch resistance function
CN106199791A (en) * 2016-07-07 2016-12-07 宁波激智科技股份有限公司 A kind of interval drift angle wobble structure brightness enhancement film
CN106199788A (en) * 2016-01-12 2016-12-07 宁波激智科技股份有限公司 A kind of optical brightening membrane and preparation method thereof
CN106199790A (en) * 2016-01-12 2016-12-07 宁波激智科技股份有限公司 A kind of complex optics brightness enhancement film
CN106226948A (en) * 2016-07-07 2016-12-14 宁波江北激智新材料有限公司 A kind of interval descends wobble structure brightness enhancement film on the whole

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102354008A (en) * 2011-11-13 2012-02-15 上海光大高科技股份有限公司 Prism sheet and preparation method thereof
CN102520468A (en) * 2011-12-07 2012-06-27 北京康得新复合材料股份有限公司 Compound light gathering sheet
CN102520469A (en) * 2011-12-21 2012-06-27 北京康得新复合材料股份有限公司 Bright enhancement film with projection structures distributed uniformly
CN103018802A (en) * 2012-11-30 2013-04-03 张家港康得新光电材料有限公司 Bright enhancement film with scratch resistance function
CN106199788A (en) * 2016-01-12 2016-12-07 宁波激智科技股份有限公司 A kind of optical brightening membrane and preparation method thereof
CN106199790A (en) * 2016-01-12 2016-12-07 宁波激智科技股份有限公司 A kind of complex optics brightness enhancement film
CN106199791A (en) * 2016-07-07 2016-12-07 宁波激智科技股份有限公司 A kind of interval drift angle wobble structure brightness enhancement film
CN106226948A (en) * 2016-07-07 2016-12-14 宁波江北激智新材料有限公司 A kind of interval descends wobble structure brightness enhancement film on the whole

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Open date: 20080423