JPH06230226A - Optical fiber and optical fiber light emitting device - Google Patents
Optical fiber and optical fiber light emitting deviceInfo
- Publication number
- JPH06230226A JPH06230226A JP5016449A JP1644993A JPH06230226A JP H06230226 A JPH06230226 A JP H06230226A JP 5016449 A JP5016449 A JP 5016449A JP 1644993 A JP1644993 A JP 1644993A JP H06230226 A JPH06230226 A JP H06230226A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- light
- protective layer
- fluorescent materials
- component
- 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
- 239000013307 optical fiber Substances 0.000 title claims abstract description 93
- 239000011241 protective layer Substances 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000011162 core material Substances 0.000 claims abstract description 20
- 239000000126 substance Substances 0.000 claims description 30
- 230000005284 excitation Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 239000010410 layer Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 239000004065 semiconductor Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 2
- 150000004820 halides Chemical class 0.000 abstract description 2
- 238000002074 melt spinning Methods 0.000 abstract description 2
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 2
- 150000004706 metal oxides Chemical class 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract 1
- 239000000306 component Substances 0.000 description 11
- 229920001577 copolymer Polymers 0.000 description 10
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 9
- 239000004926 polymethyl methacrylate Substances 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 239000002131 composite material Substances 0.000 description 5
- 239000008358 core component Substances 0.000 description 5
- 238000005034 decoration Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 239000004811 fluoropolymer Substances 0.000 description 2
- 229920002313 fluoropolymer Polymers 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- -1 herein Polymers 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920005990 polystyrene resin Polymers 0.000 description 2
- QTKPMCIBUROOGY-UHFFFAOYSA-N 2,2,2-trifluoroethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(F)(F)F QTKPMCIBUROOGY-UHFFFAOYSA-N 0.000 description 1
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 1
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- AOJOEFVRHOZDFN-UHFFFAOYSA-N benzyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC1=CC=CC=C1 AOJOEFVRHOZDFN-UHFFFAOYSA-N 0.000 description 1
- 238000012662 bulk polymerization Methods 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical compound CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、光ファイバの端面又
は側面の全部若しくは所望部分から装飾的に発光する光
ファイバ及びそれの光ファイバを用いた発光装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical fiber which emits light decoratively from all or a desired portion of an end face or a side face of an optical fiber and a light emitting device using the optical fiber.
【０００２】[0002]
【従来の技術】光ファイバは、照明、装飾、意匠、ディ
スプレイなどに利用されている。装飾用光ファイバ及び
これを用いた発光装置については、従来から、種々のフ
ァイバ構造や製造が提案されている。2. Description of the Related Art Optical fibers are used for lighting, decoration, designs, displays and the like. Various fiber structures and manufacturing have been conventionally proposed for a decorative optical fiber and a light emitting device using the same.
【０００３】例えば、漏光性の装飾用光ファイバに関す
るものは、特公昭４７−４２５３４号がある。この発明
は、機械的に又は熱的に光ファイバの全反射を選択的に
破壊して漏光し、この光ファイバを繊維製品に使用する
ものである。上記従来技術以外に、伝送する光を側面か
ら漏らす漏光化技術には、光ファイバの材質・構成に特
徴のあるものとして、光ファイバ内部に透明小片を分散
させるもの（特公昭51-29951号）と、鞘（クラッド）材
としてエラストマーを使用するもの（実開昭60-112204
号）と、光ファイバのコア（芯）にガラス粒子などの半
透明若しくは不透明な材料又は気泡などの拡散中心を分
散させ、好ましくは光ファイバ端部から離れるに従って
拡散中心密度を高くして均一な照光を得るもの（特開昭
63-247705号）とがあり、蛍光物質を光ファイバに用い
るものとしては、光ファイバを利用した装飾用展示器に
用い、光ファイバの芯成分若くは鞘成分に蛍光物質を添
加することにより、光ファイバ全体から光が発するよう
にした光ファイバ（特開昭49-16443）及び、芯、鞘、保
護層の３層構造からなる光フアイバの保護層成分に単一
の蛍光物質を添加又は付着することにより、装飾効果の
向上を図る光フアイバ（特開平01-235905）がある。For example, Japanese Patent Publication No. 47-42534 discloses a light-emitting decorative optical fiber. This invention selectively destroys the total internal reflection of an optical fiber mechanically or thermally to cause light leakage, and uses this optical fiber in a textile product. In addition to the above-mentioned conventional technology, the light leakage technology for leaking transmitted light from the side is characterized by the material and structure of the optical fiber, in which transparent particles are dispersed inside the optical fiber (Japanese Patent Publication No. 51-29951). And using an elastomer as the sheath (cladding) material
No.) and a diffusion center such as a translucent or opaque material such as glass particles or bubbles in the core of the optical fiber, and preferably the diffusion center density is increased with increasing distance from the end of the optical fiber to achieve a uniform distribution. What obtains illumination
63-247705), the fluorescent substance is used for the optical fiber, as an ornamental display using the optical fiber, by adding the fluorescent substance to the core component or the sheath component of the optical fiber, A single fluorescent substance is added to or attached to the protective layer component of the optical fiber (Japanese Patent Laid-Open No. 49-16443) and a three-layer structure of a core, a sheath, and a protective layer that emits light from the entire optical fiber. By doing so, there is an optical fiber (Japanese Patent Laid-Open No. 01-235905) for improving the decorative effect.
【０００４】また、光ファイバ表面に刃などで切傷を形
成するものには、旋回中の光ファイバを刃物で切傷を刻
むもの（特開昭50-83044号）と、特定形状の傷を光ファ
イバ表面に形成するもの（特開昭63-253903 号）と、特
定位置に傷を形成するもの（実開平04-18801号）とがあ
る。Further, the one in which a cut is formed on the surface of the optical fiber with a blade or the like, the one in which the rotating optical fiber is cut with a blade (Japanese Patent Laid-Open No. 50-83044) and the optical fiber having a specific shape are used. There are those formed on the surface (Japanese Patent Laid-Open No. 63-253903) and those forming scratches at specific positions (Japanese Utility Model Publication No. 04-18801).
【０００５】更に、光ファイバ表面に熱処理で粗面、歪
を形成するものには、光ファイバの回りを合成繊維で螺
旋状に巻き付けこれを熱収縮させるもの（特公昭52-325
82号）と、加熱した突起を光ファイバに押しつけて所定
間隔の漏光凹部を形成するもの（特開昭60-159707号）
と、加熱した粗面プレートを光ファイバに押しつけて表
面に細かい凹凸を形成するもの（特開昭63-293505号、
特開昭63-318502号、実開平01-3803号）とがある。Further, for forming a rough surface or strain on the surface of the optical fiber by heat treatment, a spirally wound synthetic fiber around the optical fiber is used to shrink the heat (Japanese Patent Publication No. 52-325).
No. 82) and a heated projection are pressed against the optical fiber to form light leakage concave portions at predetermined intervals (Japanese Patent Laid-Open No. 60-159707).
And a heated rough plate pressed against an optical fiber to form fine irregularities on the surface (Japanese Patent Laid-Open No. 63-293505,
Japanese Patent Laid-Open No. 63-318502 and Japanese Utility Model Laid-Open No. 01-3803).
【０００６】光ファイバを撚る若しくは機械的に押下し
て歪などを形成するものには、光ファイバを加撚して歪
を残留させるもの（特開昭50-83049号）と、微細な突起
を有するローラーの間に光ファイバを通して表面に細か
い凹凸を形成するもの（特開平01-273007号）と、テン
ションメンバの回りを光ファイバで撚るもの（特開平02
-108007号、特開平02-108008号）と、光ファイバをギヤ
間に通して所定間隔の傷・歪を形成するもの（特開平03
-123302号、特開平04-66904号）とがある。Those which twist or mechanically press down an optical fiber to form a strain include those which twist the optical fiber to leave the strain (Japanese Patent Laid-Open No. 50-83049) and fine protrusions. An optical fiber is formed between rollers having a groove to form fine irregularities on the surface (Japanese Patent Laid-Open No. 01-273007), and a member around a tension member is twisted with an optical fiber (Japanese Patent Laid-Open No.
-108007, Japanese Patent Laid-Open No. 02-108008) and a device for forming scratches / strains at predetermined intervals by passing an optical fiber between gears (Japanese Laid-Open Patent Publication No.
-123302 and JP-A-04-66904).
【０００７】[0007]
【発明が解決しようとする課題】種々の先行技術が実施
され提案されているが、これらは、光ファイバ側面から
多量に漏光するが伝送損失が大きくて実用可能なファイ
バ長が短くなる若しくは、伝送損失が小さくて芯材内を
光が良好に伝送するが有効に光ファイバ側面から漏光せ
ず、光ファイバの発光色を制御選択できず、必しも装飾
性に優れていない。Various prior arts have been implemented and proposed, but these have a large amount of light leakage from the side surface of the optical fiber but have a large transmission loss, which shortens the practical fiber length or the transmission. Although the loss is small and the light is well transmitted in the core material, the light is not effectively leaked from the side surface of the optical fiber, the emission color of the optical fiber cannot be controlled and selected, and the decorativeness is not necessarily excellent.
【０００８】この発明は、上述の背景に基づきなされた
ものであり、その目的とするところは、伝送損失が小さ
く芯材内を光が良好に伝送し実用可能なファイバ長を長
くすることができると共に有効に光ファイバ端面及び／
又は側面から装飾性に優れて発光することができる光フ
ァイバ及び発光装置を提供することである。The present invention has been made on the basis of the above-mentioned background, and an object of the present invention is to reduce transmission loss, to favorably transmit light in a core material, and to lengthen a practical fiber length. Effectively with optical fiber end face and /
Another object of the present invention is to provide an optical fiber and a light emitting device that can emit light with excellent decoration from the side.
【０００９】[0009]
【課題を解決するための手段】上記課題は、この発明の
光ファイバにより解決される。すなわち、この発明の光
ファイバは、芯材と鞘材と保護層とからなり、光ファイ
バの出射端面及び／又は側面の全部若しくは所望部分か
ら発光する光ファイバであって、保護層に、発光波長の
異なる複数の蛍光物質が添加、付着又は分散されている
ことを特徴とするものである。The above-mentioned problems can be solved by the optical fiber of the present invention. That is, the optical fiber of the present invention is an optical fiber that comprises a core material, a sheath material, and a protective layer, and emits light from all or a desired portion of the emission end face and / or side face of the optical fiber, and the protective layer has an emission wavelength. Is added, adhered or dispersed.
【００１０】また、この発明による光ファイバ発光装置
は、芯材と鞘材と保護層とからなり、光ファイバの端面
及び／又は側面の全部若しくは所望部分から発光し、保
護層に、発光波長の異なる複数の蛍光物質が添加、付着
又は分散されている光ファイバと、複数の蛍光物質それ
ぞれの固有励起光を含む入射光を、光ファイバの端面及
び／又は側面から入射させる光源装置とからなるもので
ある。この発明の好ましい態様において、光源装置は、
複数の蛍光物質それぞれの固有励起光を、所定の強度に
調整して、入射光を光ファイバに入射させる光源装置で
ある。Further, the optical fiber light emitting device according to the present invention comprises a core material, a sheath material and a protective layer, and light is emitted from all or a desired portion of the end face and / or side face of the optical fiber, and the protective layer emits light having an emission wavelength. An optical fiber to which different fluorescent substances are added, attached or dispersed, and a light source device which makes incident light containing the intrinsic excitation light of each of the fluorescent substances incident from the end face and / or side face of the optical fiber. Is. In a preferred embodiment of the present invention, the light source device is
The light source device adjusts the specific excitation light of each of the plurality of fluorescent substances to a predetermined intensity and makes the incident light incident on the optical fiber.
【００１１】この発明で用いられる光ファイバは、クラ
ッド（鞘）とコア（芯）とを有するものであり、その構
造としては、屈折率が段階的に変化するステップインデ
ックス型マルチモード光ファイバ、屈折率が段階的に変
化し単一モードからなるステップインデック型シングル
モード光ファイバ、異なるモードを伝搬するグレーデッ
ドインデックス型マルチモード光ファイバがある。コア
（芯）材を構成する素材としては、多成分ガラス、石英
ガラス等の無機材料、或いは、ポリメチルメタクリレー
ト系樹脂（ＰＭＭＡ、本明細書においてメタクリル酸メ
チルの単独重合体及び共重合体を含む）、重水素化ＰＭ
ＭＡ、ポリカーボネート樹脂、ポリスチレン系樹脂、重
水素化ポリスチレン系樹脂、ポリ−４−メチルペンテン
−１、シリコン系重合体などの有機材料を用いることが
できる。The optical fiber used in the present invention has a clad (sheath) and a core (core), and as its structure, a step index type multimode optical fiber whose refractive index changes stepwise, There are a step-index type single-mode optical fiber consisting of a single mode and a graded index type multi-mode optical fiber that propagates different modes. Examples of the material forming the core material include inorganic materials such as multi-component glass and quartz glass, or polymethylmethacrylate resin (PMMA, herein, homopolymers and copolymers of methyl methacrylate). ), Deuterated PM
Organic materials such as MA, polycarbonate resin, polystyrene resin, deuterated polystyrene resin, poly-4-methylpentene-1, and silicon polymer can be used.
【００１２】この有機材料の中では、ポリメチルメタク
リレート系樹脂が特に好ましく、ポリメチルメタクリレ
ート、メチルメタクリレート単位を主成分として、好ま
しくは、少くとも７０重量％含有する共重合体、ないし
はこれらを重水素化した樹脂を用いることができる。メ
チルメタクリレートとの共重合成分としては、例えば、
メチルアクリレート、エチルアクリレート、プロピルア
クリレート、ブチルアクリレート、２−エチルヘキシル
アクリレート等のアクリル酸エステル、シクロヘキシル
メタクリレート、ベンジルメタクリレート、エチルメタ
クリレート、プロピルメタクリレート、ブチルメタクリ
レート等のメタクリル酸エステル等が挙げられる。ポリ
メチルメタクリレート系樹脂としては、例えば、特公昭
５３−４２２６０号公報に示されているような連続塊状
重合方法により得られたものを使用することが好まし
い。また、下記式（１）に示される環状構造単位を２重
量％以上とメタクリル酸メチル単位を主成分とする単量
体単位９８重量％以下とからなる重合体を芯成分とする
こともできる。Among these organic materials, polymethylmethacrylate resin is particularly preferable, and polymethylmethacrylate, a copolymer containing methylmethacrylate unit as a main component, preferably at least 70% by weight, or deuterium thereof is used. It is possible to use a resin that has been converted into a resin. As the copolymerization component with methyl methacrylate, for example,
Examples thereof include acrylic acid esters such as methyl acrylate, ethyl acrylate, propyl acrylate, butyl acrylate and 2-ethylhexyl acrylate, and methacrylic acid esters such as cyclohexyl methacrylate, benzyl methacrylate, ethyl methacrylate, propyl methacrylate and butyl methacrylate. As the polymethylmethacrylate resin, it is preferable to use, for example, a resin obtained by a continuous bulk polymerization method as disclosed in JP-B-53-42260. Further, a polymer composed of 2% by weight or more of the cyclic structural unit represented by the following formula (1) and 98% by weight or less of a monomer unit containing a methyl methacrylate unit as a main component can be used as a core component.
【００１３】[0013]
【化１】 （式中Ｒは、メチル、エチル、プロピル等の脂肪族、脂
還式炭化水素基より選ばれた基を示す。）[Chemical 1] (In the formula, R represents a group selected from aliphatic, aliphatic hydrocarbon groups such as methyl, ethyl and propyl.)
【００１４】この発明において用いられるクラッド
（鞘）材としては、コア材より屈折率が小さいものであ
る。芯材としてＰＭＭＡ系樹脂を用いた場合、鞘材とし
ては、例えば、フッ素系重合体、具体的には、フッ化ビ
ニリデン系重合体（本明細書において、共重合体を含
み、例えば、フッ化ビニリデン−テトラフルオロエチレ
ン共重合体（例えば、フッ化ビニリデンを５０重量％以
上、好ましくは７０重量％以上９０重量％以下含有する
共重合体）、フッ化ビニリデン−六フッ化プロピレン共
重合体、フッ化ビニリデン−ヘキサフルオロアセトン共
重合体、フッ化ビニリデン−トリフルオロエチレン共重
合体、フッ化ビニリデンの３元以上の共重合体などを含
む）、パーフルオロアルキルメタクリレート系重合体、
メタクリル酸エステル系重合体などがある。The clad (sheath) material used in the present invention has a smaller refractive index than the core material. When a PMMA-based resin is used as the core material, the sheath material may be, for example, a fluoropolymer, specifically, a vinylidene fluoride-based polymer (in this specification, including a copolymer, for example, a fluoropolymer). Vinylidene-tetrafluoroethylene copolymer (for example, a copolymer containing 50% by weight or more, preferably 70% by weight or more and 90% by weight or less of vinylidene fluoride), vinylidene fluoride-hexafluoropropylene copolymer, fluorine Vinylidene fluoride-hexafluoroacetone copolymer, vinylidene fluoride-trifluoroethylene copolymer, vinylidene fluoride ternary or more copolymers, etc.), perfluoroalkyl methacrylate-based polymer,
There are methacrylic acid ester-based polymers and the like.
【００１５】この発明において用いられる保護層の材料
としては、種々のものがあり、上述した芯材や鞘材の材
料を用いても、またその他の無機・有機材料を用いても
よい。この発明の光ファイバの鞘材及び保護層の形成
は、各々の材料を、酢酸エチル、ジメチルホルムアミ
ド、ジメチルアセトアミド等の溶媒に溶解した溶液を用
い、コーティング法、浸漬法で石英ガラス芯線や有機重
合体からなる芯成分の表面を被覆するか又は３層複合紡
糸ノズルを用いて芯材重合体、鞘材重合体を複合紡糸す
ると共に、蛍光物質を添加した保護層を押出賦形するこ
とにより行うことができる。There are various materials for the protective layer used in the present invention, and the above-mentioned core material or sheath material may be used, or other inorganic / organic materials may be used. The sheath material and the protective layer of the optical fiber of the present invention are formed by using a solution obtained by dissolving each material in a solvent such as ethyl acetate, dimethylformamide, dimethylacetamide, etc., by a coating method or a dipping method, and a quartz glass core wire or an organic heavy fiber. It is carried out by coating the surface of the core component composed of a coalesced product or by composite spinning of a core material polymer and a sheath material polymer using a three-layer composite spinning nozzle, and extruding and shaping a protective layer containing a fluorescent substance. be able to.
【００１６】この発明において使用される蛍光物質は複
数種であり、各々は、発光波長の異なる蛍光物質であ
る。これらの蛍光物質は、入射光に含まれるそれぞれの
固有励起光によって励起する。この発明において使用さ
れる蛍光物資は、好ましくは、有彩色に富んだ蛍光を発
光し、かつ光ファイバを形成する成分の成形温度以上の
温度でも熱劣化して蛍光性を失わないものである。例え
ば、ハロゲン化アルカリ、元素半導体、化合物半導体、
金属酸化物、ケイ酸塩、酸素酸塩など及びこれらの混合
物などがある。より具体的には、例えば、VL Highly Pu
re(violet 570)、Yellow 083、Orange 240、Red 300、R
ed 339（以上、商品名 ＢＡＳＦジャパン株式会社
製）、White Fluoro PSN、White Fluoro PMR、White Fl
uoro B、WhiteFluoro PCN（以上、商品名 住友化学株
式会社製）などがある。この発明において蛍光物質は、
光ファイバの保護層に、添加、付着又は分散されて用い
られる。この蛍光物質の使用量は、特に限定されない
が、保護層成分重量に対して１０重量％以上では、その
溶融加工性が著しく悪くなり、複合溶融紡糸法で製造す
る場合には、糸径班の大きなものとなって好ましくな
い。There are a plurality of types of fluorescent substances used in the present invention, and each is a fluorescent substance having a different emission wavelength. These fluorescent substances are excited by the respective intrinsic excitation lights contained in the incident light. The fluorescent substance used in the present invention preferably emits chromatic-rich fluorescent light and does not lose its fluorescent property due to thermal deterioration even at a temperature higher than the molding temperature of the component forming the optical fiber. For example, alkali halides, elemental semiconductors, compound semiconductors,
Metal oxides, silicates, oxygenates, etc. and mixtures thereof. More specifically, for example, VL Highly Pu
re (violet 570), Yellow 083, Orange 240, Red 300, R
ed 339 (above, product name BASF Japan Ltd.), White Fluoro PSN, White Fluoro PMR, White Fl
uoro B, WhiteFluoro PCN (trade name, manufactured by Sumitomo Chemical Co., Ltd.) and others. In this invention, the fluorescent substance is
It is used by being added, attached or dispersed in a protective layer of an optical fiber. The amount of the fluorescent substance used is not particularly limited, but if it is 10% by weight or more with respect to the weight of the protective layer component, the melt processability is significantly deteriorated, and in the case of production by the composite melt spinning method, It becomes big and is not preferable.
【００１７】この発明による発光装置は、上述の光ファ
イバと、複数の蛍光物質それぞれの固有励起光を含む入
射光を、光ファイバの端面及び／又は側面から入射させ
る光源装置とからなる。この発明の好ましい態様におい
て、光源装置は、複数の蛍光物質それぞれの固有励起光
を、所定の強度に調整して、入射光を光ファイバに入射
させる光源装置である。調整手段としては、光源の前に
所定のフィルタを設けることにより、また、蛍光材料を
光源に塗布、分散させることなどにより行うことができ
る。A light emitting device according to the present invention comprises the above-mentioned optical fiber and a light source device for making incident light containing the intrinsic excitation light of each of a plurality of fluorescent substances incident from an end face and / or a side face of the optical fiber. In a preferred aspect of the present invention, the light source device is a light source device that adjusts the intrinsic excitation light of each of the plurality of fluorescent substances to a predetermined intensity and makes the incident light incident on the optical fiber. As the adjusting means, a predetermined filter may be provided in front of the light source, or a fluorescent material may be applied to or dispersed in the light source.
【００１８】[0018]
【作用】上記構成を有するこの発明による光ファイバで
は、以下のように作用・動作する。この発明による光フ
ァイバには、保護層に、発光波長の異なる複数の蛍光物
質が添加、付着又は分散されているので、蛍光物質各々
の固有励起光を含む入射光を、各々の固有励起光の適当
な強度で芯の端面から若しくは光ファイバの側面から入
射させることにより、光ファイバ側面全体からあるいは
その端面から発光する。この発明の好ましい態様では、
固有励起光を所定の強度に調整して入射光を光ファイバ
に入射させることにより、発散波長を選択することがで
き、華麗な光装飾効果を奏する。この発明の光ファイバ
において、光を伝送する芯及び鞘部分には、蛍光物質が
存在しないので、光ファイバの光伝送特性、光透過性能
を損なわない。The optical fiber according to the present invention having the above structure operates and operates as follows. In the optical fiber according to the present invention, since a plurality of fluorescent substances having different emission wavelengths are added to, adhered to, or dispersed in the protective layer, the incident light including the intrinsic excitation light of each of the fluorescent substances is converted into the intrinsic excitation light. Light is emitted from the entire side surface of the optical fiber or from the end surface of the optical fiber by making the light incident from the end surface of the core or the side surface of the optical fiber with appropriate intensity. In a preferred embodiment of this invention,
By adjusting the specific excitation light to have a predetermined intensity and making the incident light incident on the optical fiber, the divergence wavelength can be selected, and a brilliant light decoration effect can be obtained. In the optical fiber of the present invention, since the fluorescent substance does not exist in the core and the sheath portion that transmit light, the light transmission characteristics and the light transmission performance of the optical fiber are not impaired.
【００１９】[0019]
【実施例】以下に、この発明を実施例に基づき具体的に
説明するが、この発明はその要旨を超えない限り以下の
例に限定されるものではない。EXAMPLES The present invention will be specifically described below based on examples, but the present invention is not limited to the following examples as long as the gist thereof is not exceeded.
【００２０】〔実施例１〕芯成分として屈折率ｎD＝
１．４９のＰＭＭＡ、鞘成分として屈折率ｎD＝１．４
２の２，２，２−トリフルオロエチルメタクリレート８
０重量％／メチルメタクリレート２０重量％共重合体、
保護層成分として屈折率ｎD＝１．５９のポリカーボネ
ートを用いた３層構造の光ファイバを２２０℃で複合紡
糸法で製造するに際し、ポリカーボネートパウダーに、
紫色の蛍光を発する蛍光物質VL HighlyPure(violet 57
0)（商品名 ＢＡＳＦジャパン株式会社製）１．０重量
％とオレンジ色の蛍光を発する蛍光物質Orange 240（商
品名 ＢＡＳＦジャパン株式会社製）１．０重量％の２
成分ドライブレンドした。Example 1 Refractive index n D = as a core component
PMMA of 1.49, refractive index n D = 1.4 as a sheath component
2,2,2,2-trifluoroethyl methacrylate 8
0% by weight / 20% by weight methyl methacrylate copolymer,
In producing a three-layer optical fiber using a polycarbonate having a refractive index n D = 1.59 as a protective layer component by a composite spinning method at 220 ° C., a polycarbonate powder is added.
Fluorescent substance that emits purple fluorescence VL HighlyPure (violet 57
0) 1.0% by weight (trade name, manufactured by BASF Japan Ltd.) and 1.0% by weight of orange 240 (trade name, manufactured by BASF Japan Ltd.), a fluorescent substance that emits orange fluorescence.
The ingredients were dry blended.
【００２１】得られた光ファイバは、外径１０００μ、
鞘厚１０μ、保護層厚４０μであった。この光ファイバ
の端面あるいは側面から、光源装置を用いて、蛍光物質
violet 570の吸収波長ピーク（約４００ｎｍ）の光と、
蛍光物質Orange 240の吸収波長ピーク（約５００ｎｍ）
の光とを任意の強度比で入射すると、光ファイバの端面
及び側面から紫色からオレンジ色に無段階に輝かすこと
ができた。この光ファイバは、光装飾性に優れていた。
６５０ｎｍの光の伝送損失値は、１８０ｄＢ／Ｋｍと極
めて小さいものであった。The obtained optical fiber has an outer diameter of 1000 μ,
The sheath thickness was 10μ and the protective layer thickness was 40μ. From the end face or side face of this optical fiber, use a light source device to
Light of the absorption wavelength peak of violet 570 (about 400 nm),
Absorption wavelength peak of fluorescent substance Orange 240 (about 500 nm)
It was possible to shine from purple to orange infinitely from the end face and the side face of the optical fiber by injecting the above light with an arbitrary intensity ratio. This optical fiber was excellent in light decoration.
The transmission loss value of light at 650 nm was as extremely small as 180 dB / Km.
【００２２】〔実施例２〕芯成分として屈折率ｎD＝
１．５８５のポリカーボネート、鞘成分として屈折率ｎ
D＝１．４９のポリメタクリル酸メチルを用い２層複合
紡糸により、芯径９６０μ、鞘厚１０μの芯鞘２層構造
の光ファイバを得た。この光ファイバに、紫色の蛍光を
発する蛍光物質VL Highly Pure(violet 570)（商品名
ＢＡＳＦジャパン株式会社製）１．０重量％と赤色の蛍
光を発する蛍光物質Red 300（商品名 ＢＡＳＦジャパ
ン株式会社製）１．０重量％を含んだポリメタクリル酸
メチルの３０重量％酢酸エチル溶液を均一に塗布し、乾
燥させて芯−鞘−保護層の３層構造の光ファイバを得
た。Example 2 Refractive index n D = as a core component
Polycarbonate of 1.585, refractive index n as sheath component
An optical fiber having a core-sheath two-layer structure having a core diameter of 960 μ and a sheath thickness of 10 μ was obtained by a two-layer composite spinning using polymethylmethacrylate having D = 1.49. Fluorescent substance VL Highly Pure (violet 570), which emits purple fluorescence, is added to this optical fiber.
30% by weight ethyl acetate solution of polymethylmethacrylate containing 1.0% by weight of BASF Japan Co., Ltd.) and 1.0% by weight of fluorescent material Red 300 (trade name of BASF Japan Ltd.) which emits red fluorescence. It was applied uniformly and dried to obtain an optical fiber having a three-layer structure of a core-sheath-protective layer.
【００２３】得られた光ファイバは、外径１０００μ、
鞘厚１０μ、保護層厚１０μであった。この光ファイバ
の端面あるいは側面から、蛍光物質violet 570の吸収波
長ピーク（約４００ｎｍ）の光と、蛍光物質Red 300の
吸収波長ピーク（約５５０ｎｍ）の光とを、光源装置を
用いて、任意の強度比で入射すると、光ファイバの端面
及び側面から紫色から赤色に無段階に輝かすことができ
た。この光ファイバは、光装飾性に優れていた。７７０
ｎｍの光の伝送損失値は、７０３ｄＢ／Ｋｍと極めて小
さいものであった。The obtained optical fiber has an outer diameter of 1000 μ,
The sheath thickness was 10 μm and the protective layer thickness was 10 μm. From the end face or the side face of this optical fiber, the light having the absorption wavelength peak (about 400 nm) of the fluorescent substance violet 570 and the light having the absorption wavelength peak (about 550 nm) of the fluorescent substance Red 300 can be arbitrarily selected by using a light source device. When the light was incident at an intensity ratio, it was possible to continuously shine from purple to red from the end face and the side face of the optical fiber. This optical fiber was excellent in light decoration. 770
The transmission loss value of the light of nm was 703 dB / Km, which was extremely small.
【００２４】〔比較例１〕保護層に黄色の蛍光物質Yell
ow 083（商品名 ＢＡＳＦジャパン株式会社製）１．０
重量％を蛍光物質として単独添加したこと以外、実施例
と同様に３層構造の光ファイバを得た、同様に評価し
た。その結果、この光ファイバの蛍光は、入射光波長に
依存せず単色で装飾効果に欠けていた。[Comparative Example 1] A yellow fluorescent material Yell was used for the protective layer.
ow 083 (Brand name BASF Japan Ltd.) 1.0
An optical fiber having a three-layer structure was obtained in the same manner as in the example, except that the weight% was added alone as the fluorescent substance, and the same evaluation was performed. As a result, the fluorescence of this optical fiber was monochromatic and lacked the decorative effect regardless of the wavelength of incident light.
【００２５】[0025]
【発明の効果】上記実施例から実証されるように、この
発明による光ファイバ及び発光装置では、伝送損失が小
さく芯材内を光が良好に伝送し実用可能なファイバ長を
長くすることができると共に有効に光ファイバの端面及
び／又は側面から装飾性に優れて発光することができ
る。As demonstrated by the above embodiments, in the optical fiber and the light emitting device according to the present invention, the transmission loss is small, the light is satisfactorily transmitted in the core material, and the practical fiber length can be lengthened. At the same time, it is possible to effectively emit light from the end surface and / or side surface of the optical fiber with excellent decorativeness.
Claims (3)
イバの出射端面及び／又は側面の全部若しくは所望部分
から発光する光ファイバであって、 該保護層に、発光波長の異なる複数の蛍光物質が添加、
付着又は分散されていることを特徴とする光ファイバ。1. An optical fiber comprising a core material, a sheath material and a protective layer, which emits light from all or a desired portion of the emitting end face and / or side face of the optical fiber, wherein the protective layer has a plurality of different emission wavelengths. Fluorescent substance added,
An optical fiber characterized by being adhered or dispersed.
イバの端面及び／又は側面の全部若しくは所望部分から
発光し、該保護層に、発光波長の異なる複数の蛍光物質
が添加、付着又は分散されている光ファイバと、 複数の該蛍光物質それぞれの固有励起光を含む入射光
を、光ファイバの端面及び／又は側面から入射させる光
源装置とからなる光ファイバ発光装置。2. A core material, a sheath material, and a protective layer, which emit light from all or desired portions of the end face and / or side face of the optical fiber, and a plurality of fluorescent substances having different emission wavelengths are added to the protective layer, An optical fiber light emitting device comprising: an optical fiber that is attached or dispersed; and a light source device that makes incident light including the intrinsic excitation light of each of the plurality of fluorescent substances enter from an end face and / or a side face of the optical fiber.
固有励起光を、所定の強度に調整して、入射光を光ファ
イバに入射させる光源装置である、請求項２記載の光フ
ァイバ発光装置。3. The optical fiber light emitting device according to claim 2, wherein the light source device is a light source device that adjusts the specific excitation light of each of the plurality of fluorescent substances to a predetermined intensity and makes the incident light incident on the optical fiber. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5016449A JPH06230226A (en) | 1993-02-03 | 1993-02-03 | Optical fiber and optical fiber light emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5016449A JPH06230226A (en) | 1993-02-03 | 1993-02-03 | Optical fiber and optical fiber light emitting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06230226A true JPH06230226A (en) | 1994-08-19 |
Family
ID=11916558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5016449A Pending JPH06230226A (en) | 1993-02-03 | 1993-02-03 | Optical fiber and optical fiber light emitting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06230226A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005090144A (en) * | 2003-09-19 | 2005-04-07 | Adomakkusu Kk | Road line drawing night display device |
| WO2017038047A1 (en) * | 2015-09-02 | 2017-03-09 | フクビ化学工業株式会社 | Flexible linear light-emitting object and process for producing same |
-
1993
- 1993-02-03 JP JP5016449A patent/JPH06230226A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005090144A (en) * | 2003-09-19 | 2005-04-07 | Adomakkusu Kk | Road line drawing night display device |
| WO2017038047A1 (en) * | 2015-09-02 | 2017-03-09 | フクビ化学工業株式会社 | Flexible linear light-emitting object and process for producing same |
| US10197722B2 (en) | 2015-09-02 | 2019-02-05 | Fukuvi Chemical Industry Co., Ltd. | Flexible linear light emitting element and a method of producing the same |
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