JPH031101A - Production of lens sheet - Google Patents
Production of lens sheetInfo
- Publication number
- JPH031101A JPH031101A JP13535789A JP13535789A JPH031101A JP H031101 A JPH031101 A JP H031101A JP 13535789 A JP13535789 A JP 13535789A JP 13535789 A JP13535789 A JP 13535789A JP H031101 A JPH031101 A JP H031101A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- sheet
- molds
- mold
- resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 229920005989 resin Polymers 0.000 claims abstract description 21
- 239000011347 resin Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 238000013459 approach Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000003848 UV Light-Curing Methods 0.000 abstract 2
- 238000010924 continuous production Methods 0.000 abstract 2
- 238000001723 curing Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- VOBUAPTXJKMNCT-UHFFFAOYSA-N 1-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound CCCCCC(OC(=O)C=C)OC(=O)C=C VOBUAPTXJKMNCT-UHFFFAOYSA-N 0.000 description 2
- HCLJOFJIQIJXHS-UHFFFAOYSA-N 2-[2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOCCOC(=O)C=C HCLJOFJIQIJXHS-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- -1 polyol acrylate Chemical class 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、ビデオブロジエクＶヨンテレビのスクリーン
に用いられるフレネルレンズシートやレンチキュラーレ
ンズシート、あるｂは集光用ノフレネルレンズシート等
のレンズシートの製造方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention is directed to the production of lens sheets such as Fresnel lens sheets and lenticular lens sheets used for video television screens, and a Fresnel lens sheet for condensing light. This relates to a manufacturing method.
（従来の技術）
フレネルレンズやレンチキュラーレンズ等のレンズシー
トを製造する場合、そのサイズが比較的小さく大量生産
するときは合成樹脂の射出成形の方法が行われているが
、上述したスクリーン用や集光用で比較的大きなサイズ
のレンズシートを製作する場合は、平板状のレンズ型〈
樹脂板を当接し、これを加熱加圧してレンズ面を転写し
て製造するのが一般的である。(Prior art) When manufacturing lens sheets such as Fresnel lenses and lenticular lenses, injection molding of synthetic resin is used when the size is relatively small and mass production is required. When manufacturing a relatively large lens sheet for optical use, a flat lens type
It is common to manufacture the lens by bringing a resin plate into contact with the lens and applying heat and pressure to transfer the lens surface.
ところがこの方法によるときは、加熱−冷却に要する時
間が長くか−り、生産性を上げられないという難点があ
った。However, this method has the disadvantage that it takes a long time for heating and cooling, making it difficult to increase productivity.
この丸め最、近では、レンズ型と透明樹脂基板との間に
紫外線硬化型樹脂液を介在させ、紫外義を照射して硬化
させる方法が提案されている（特開昭６ｌ−１７７Ｓ！
５号公報参照）。Most recently, a method has been proposed in which an ultraviolet curable resin liquid is interposed between a lens mold and a transparent resin substrate and cured by irradiation with ultraviolet light (Japanese Patent Application Laid-Open No. 61-177S!
(See Publication No. 5).
また特開６３−１６２２２４号公報や時開６６−１３４
２２７号公報では、レンズ型内に紫外線硬化型樹脂液を
塗布し、この上方より光学凹凸を有するフィルムを供給
し、紫外線照射する方法が提案されて込る。Also, Japanese Patent Application Publication No. 63-162224 and Jikai Publication No. 66-134
No. 227 proposes a method in which an ultraviolet curable resin liquid is applied inside a lens mold, a film having optical irregularities is supplied from above, and the film is irradiated with ultraviolet rays.
（発明が解決しようとする課Ｍ）
ところで上記の方法において、特開昭６１−１７７２１
５号公報の方法ではレンズ型と透明基板との間に１回毎
に紫外線硬化型樹脂液を注入しなければならず、生産性
を上げられない憾みがあり、しかもレンズ型と透明基板
との間に気泡が捲き込まないように配慮する必要がある
。(Problem M to be solved by the invention) By the way, in the above method,
In the method of Publication No. 5, it is necessary to inject an ultraviolet curable resin liquid between the lens mold and the transparent substrate every time, which makes it difficult to increase productivity. Care must be taken to prevent air bubbles from getting caught in between.
また特開昭、６５−１６２２２４号公報や特開昭６５−
１３４２２７号公報のように連続的に製造する方法では
、レンズ型が多数板必要となってコストアップになり、
また透明基材が剛性のある素材の場合連続化しに＜−、
シかもレンズ型も剛性が高すため硬化後のＪＩ［がしに
くい難点がある。Also, JP-A-65-162224 and JP-A-65-
In the continuous manufacturing method as in the 134227 publication, a large number of lens molds are required, which increases costs.
In addition, if the transparent base material is a rigid material, it is difficult to make it continuous.
The lens type also has the disadvantage of being difficult to remove after curing due to its high rigidity.
本発明はこのような状況ＩＣ鑑み、レンズ型に柔軟性を
もたせると共にこのレンズ型を走行させて上述の問題点
を改善しようとするものである。In view of this situation, the present invention aims to improve the above-mentioned problems by imparting flexibility to the lens mold and allowing the lens mold to travel.
（ＲＲを解決するための手段）
すなわち本発明は、上記の課題を達成するためになされ
たもので、その要旨とするところは、複数の透明基板を
走行させると共に、柔軟性のある複数のレンズ型を備え
たシートを、そのレンズ型が上記透明基板に対し互いに
対応しかつ接離自在となるように走行させ、上記透明基
板にレンズ型が近接する前に、この間に紫外線硬化型樹
脂液を注入し、号も近接した状態で紫外線を照射して硬
化させ、引き続き離型することを特徴とするレンズｙ
ｌ、の製造方法にある。(Means for solving RR) That is, the present invention was made to achieve the above-mentioned problem, and the gist thereof is to run a plurality of transparent substrates and a plurality of flexible lenses. A sheet provided with molds is run such that the lens molds correspond to each other and can move toward and away from the transparent substrate, and before the lens molds approach the transparent substrate, an ultraviolet curable resin liquid is applied during this time. A lens that is injected, cured by irradiating it with ultraviolet rays in close proximity, and then released from the mold.
l, in the manufacturing method.
（実施例）
以下、本考案を実施例に基づいて説明するが、第１図は
第１の実施例、第２図は第２の実施例を示すものである
。(Example) Hereinafter, the present invention will be explained based on examples, with FIG. 1 showing the first embodiment, and FIG. 2 showing the second embodiment.
図中（１）は透明基板で、本発明の場合透明基板（１）
は剛性があっても十分使用しうるためガラスでもよりが
、一般的ｌｃ＃ｉアクリル樹脂、ポリカーボネート樹脂
あるいは塩化ビニル樹脂等の合成樹脂が好ましい。In the figure, (1) is a transparent substrate, and in the case of the present invention, transparent substrate (1)
Even if it is rigid, it can be used sufficiently, so synthetic resins such as general LC#i acrylic resin, polycarbonate resin, or vinyl chloride resin are preferable to glass.
また（２）は柔軟性のある複数のレンズ型（２人）を備
えたシートで、このシート（２）としてはポリエステル
、ポリカーボネートあるいはポリオレフィン等のフィル
ムやシート、布や強度のある紙または両者をラミネート
したシート等ができる。第１の実施例では、このシート
（２） Ｋ直接レンズ型（２ム）を形成しているが、こ
の場合はポリエステルやポリカーボネートを用い、別途
用意したレンズ用金型に加熱転写してレンズ型面を形成
したものを用いることができる。また第２の実施例では
、シート（２）Ｋ柔軟性のある樹脂製レンズ型（２Ａ）
を接合させているが、この場合のレンズ型としては、耐
溶剤性、耐久性、転写性に優れたシリコーン樹脂、ウレ
タン樹脂、エボキＶ樹脂、オレフィン樹脂あるいはフッ
樹脂等の合成樹脂を用い、レンズ用金型に加熱転写して
型を設けたものが使用される。そしてこの１／ンズ型（
２Ａ）は、適宜の接着剤によりシート（２）にｍ着され
る。なお、このレンズ型の面にハ、フレネルレンズ、レ
ンチキュラーレンズあるいはフライアイレンズ等のレン
ズシートラ成形しうる型が形成されている。Also, (2) is a sheet with multiple flexible lens shapes (2 people), and this sheet (2) is made of polyester, polycarbonate, polyolefin, etc. film or sheet, cloth, strong paper, or both. Can produce laminated sheets, etc. In the first embodiment, this sheet (2) K is directly formed into a lens mold (2mm), but in this case, polyester or polycarbonate is used and the lens mold is heated and transferred to a separately prepared lens mold. A material with a surface formed thereon can be used. In addition, in the second embodiment, the sheet (2) K has a flexible resin lens mold (2A).
In this case, the lens mold is made of synthetic resin such as silicone resin, urethane resin, Evoki V resin, olefin resin, or fluorocarbon resin, which has excellent solvent resistance, durability, and transferability. A mold is used that has been heat-transferred onto a mold. And this 1/ns type (
2A) is attached to sheet (2) with a suitable adhesive. Incidentally, on the surface of this lens mold, a mold capable of molding a lens sheet such as a Fresnel lens, a lenticular lens, or a fly's eye lens is formed.
さらＩ／Ｃ（３）は紫外線硬化型樹脂（液）で、この樹
脂としては、特に限定されなりが、一般に用いられてい
るエポキシアクリレート系、ウレタンアクリレート系、
ポリエステルアクリレート系、ポリオールアクリレート
系等が使用しうる。Furthermore, I/C (3) is an ultraviolet curable resin (liquid), and this resin is not particularly limited, but commonly used epoxy acrylate type, urethane acrylate type,
Polyester acrylate type, polyol acrylate type, etc. can be used.
そして同時に使用される反応性積釈七ツマ−は、１つあ
るｂはそれ以上の反応性モノ、ジあるいは多官能アクリ
、ル糸モノマー 例えばペンタエリスリトールトリアク
リレート、トリメチロールプロパントリアクリレート、
ヘキサンジオールジアクリレート、ヘキサンジオールジ
アクリレート、テトラエチレングリコールジアクリレー
ト、イソホルニルアクリレート等が使用しうる。And the reactive monomer used at the same time is one b, which is one or more reactive mono-, di- or polyfunctional acrylic monomers, such as pentaerythritol triacrylate, trimethylolpropane triacrylate,
Hexanediol diacrylate, hexanediol diacrylate, tetraethylene glycol diacrylate, isoformyl acrylate, etc. can be used.
そして本発明は、上記の如き透明基板（１）の複数を、
例えばキャリアロール（８）上を走行させると共に、柔
軟性のある複数のレンズ型（２Ａ）を備えたシート（２
）を、そのレンズ型（２Ａ）が上記透明基板（１）Ｋ対
応しかつ接離自在となるように走行させる。透明基板（
１）が上記レンズ型（２Ａ）と近接する前に、注入器（
５）により紫外線硬化型樹脂ＨＣ５＞を流下させて両者
間に注入し最も近接した状態で紫外線（４）を照射して
硬化させる。そして引き続き脱型させるが、レンズｍ
（２Ａ）に柔軟性があるため、容易にｍ型させることが
できる。And, the present invention provides a plurality of transparent substrates (1) as described above,
For example, while running on a carrier roll (8), the sheet (2
) is run so that its lens shape (2A) corresponds to the transparent substrate (1)K and can move toward and away from the transparent substrate (1). Transparent substrate (
Before 1) comes close to the lens mold (2A), the syringe (
5), the ultraviolet curable resin HC5> is caused to flow down and injected between the two, and in the closest state, the ultraviolet ray (4) is irradiated and cured. Then, continue to remove the mold, but the lens m
Since (2A) has flexibility, it can be easily formed into m-shape.
なお図中（６）は加圧ロールであるが、本発明のレンズ
型（２人）は柔軟性があるため、加圧することＫよって
気泡を除去しやすくなっている。Note that (6) in the figure is a pressure roll, and since the lens mold of the present invention (two people) is flexible, air bubbles can be easily removed by applying pressure.
また図中（７）はガイドロールである。Further, (7) in the figure is a guide roll.
以上本発明の実施例について説明したが、本発明はこれ
らの例に限定されるものではなく、例えばシート（２）
をエンドレスベルト状にしたり、あるいはレンズ型（２
Ａ）の洗浄装置や乾燥装置を組込んだりすることもでき
る。Although the embodiments of the present invention have been described above, the present invention is not limited to these examples; for example, sheet (2)
It can be made into an endless belt shape, or a lens shape (2
It is also possible to incorporate the cleaning device and drying device in A).
（発明の効果）
本発明は以上詳述した如き溝成からなふものであるから
、透明基板に紫外線硬化型樹脂によるレンズが一体的に
形成されたレンズシートを連続的に製造することができ
、しかも柔軟性のあるレンズ型を用いてｌｘ、４ため、
気泡の除去と脱型時の離型が容易に行える利点がある。(Effects of the Invention) Since the present invention is based on the groove structure as described in detail above, it is possible to continuously manufacture lens sheets in which lenses made of ultraviolet curable resin are integrally formed on a transparent substrate. , moreover, using a flexible lens type, lx, 4,
It has the advantage that air bubbles can be easily removed and mold release during demolding can be easily performed.
第１図は本発明のＭｌの実施例を示す概要的な断面図、
第２図は同じく第２の実施例を示す断面図である。
（１）・・・・・透明基板
（２）・・・・・シート（２Ａ）・・・・・レンズ型（
３）・・・・・紫外線硬化型樹脂（液）特許出願人
三菱レイヨン株式会社
図面の浄ｌＦ＋
尾１図
手糸売ネ由正書
（方式）
事件の表示
平成１“年特許願第１３５３５７号
発明の名称
レンズシートの製造方法
補正をする者
事件との関係 特許出願人
東京都中央区京橋二丁目３番１９号
平成１年９月２６日（発送口）
５、補正の対象
図面（第２図）
６、補正の内容
本願の第２図を別紙の通り補正する。
７、添付書類の目録FIG. 1 is a schematic cross-sectional view showing an embodiment of Ml of the present invention,
FIG. 2 is a sectional view similarly showing the second embodiment. (1)...Transparent substrate (2)...Sheet (2A)...Lens type (
3)・・・Patent applicant for ultraviolet curable resin (liquid)
Mitsubishi Rayon Co., Ltd. Drawing IF+ Tail 1 Diagram Teitomerine Yoshisho (Method) Indication of the case 1999 Patent Application No. 135357 Name of the invention Person who makes corrections to the manufacturing method of lens sheets Relationship to the case Patent Applicant: 2-3-19 Kyobashi, Chuo-ku, Tokyo, September 26, 1999 (Shipping port) 5. Drawing subject to amendment (Figure 2) 6. Contents of amendment Figure 2 of the present application has been amended as shown in the attached sheet. 7. List of attached documents
Claims (1)
複数のレンズ型を備えたシートを、そのレンズ型が上記
透明基板に対し互いに対応しかつ接離自在となるように
走行させ、上記透明基板にレンズ型が近接する前に、こ
の間に紫外線硬化型樹脂液を注入し、最も近接した状態
で紫外線を照射して硬化させ、引き続き離型することを
特徴とするレンズシートの製造方法。 ２、柔軟性のあるシートに直接レンズ型が形成されてい
ることを特徴とする請求項第１項記載のレンズシートの
製造方法。 ３、シートに柔軟性のある樹脂製レンズ型を接合させた
ことを特徴とする請求項第１項記載のレンズシートの製
造方法。[Claims] 1. A plurality of transparent substrates are run, and a sheet having a plurality of flexible lens shapes is arranged so that the lens shapes correspond to each other and can move toward and away from the transparent substrate. Before the lens mold approaches the transparent substrate, an ultraviolet curable resin liquid is injected during this time, and when the lens mold approaches the transparent substrate, it is irradiated with ultraviolet rays to cure it, and the lens is subsequently released from the mold. Method of manufacturing sheets. 2. The method for manufacturing a lens sheet according to claim 1, wherein the lens mold is formed directly on the flexible sheet. 3. The method for manufacturing a lens sheet according to claim 1, wherein a flexible resin lens mold is bonded to the sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13535789A JPH031101A (en) | 1989-05-29 | 1989-05-29 | Production of lens sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13535789A JPH031101A (en) | 1989-05-29 | 1989-05-29 | Production of lens sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH031101A true JPH031101A (en) | 1991-01-07 |
Family
ID=15149859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13535789A Pending JPH031101A (en) | 1989-05-29 | 1989-05-29 | Production of lens sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH031101A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313914A (en) * | 2011-09-15 | 2012-01-11 | 华侨大学 | A kind of manufacturing device of linear Fresnel lens |
| CN102442033A (en) * | 2011-09-15 | 2012-05-09 | 华侨大学 | Molding die of linear Fresnel lens |
| CN103261953A (en) * | 2010-12-16 | 2013-08-21 | 凸版印刷株式会社 | Color filter substrate for lateral electric field liquid crystal display devices, and liquid crystal display device |
| KR20180077664A (en) * | 2016-12-29 | 2018-07-09 | 주식회사 에스에스뉴테크 | Manufacturing method for fresnel lens sheet and back cover for mobile phone using the same |
-
1989
- 1989-05-29 JP JP13535789A patent/JPH031101A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103261953A (en) * | 2010-12-16 | 2013-08-21 | 凸版印刷株式会社 | Color filter substrate for lateral electric field liquid crystal display devices, and liquid crystal display device |
| CN102313914A (en) * | 2011-09-15 | 2012-01-11 | 华侨大学 | A kind of manufacturing device of linear Fresnel lens |
| CN102442033A (en) * | 2011-09-15 | 2012-05-09 | 华侨大学 | Molding die of linear Fresnel lens |
| KR20180077664A (en) * | 2016-12-29 | 2018-07-09 | 주식회사 에스에스뉴테크 | Manufacturing method for fresnel lens sheet and back cover for mobile phone using the same |
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