JP2001030287A - Manufacture of optical component made of plastic - Google Patents

Manufacture of optical component made of plastic

Info

Publication number
JP2001030287A
JP2001030287A JP11207994A JP20799499A JP2001030287A JP 2001030287 A JP2001030287 A JP 2001030287A JP 11207994 A JP11207994 A JP 11207994A JP 20799499 A JP20799499 A JP 20799499A JP 2001030287 A JP2001030287 A JP 2001030287A
Authority
JP
Japan
Prior art keywords
glass plate
mold
adhesive
optical component
plate
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
Application number
JP11207994A
Other languages
Japanese (ja)
Inventor
Munenori Iizuka
宗紀 飯塚
Kunio Machida
邦郎 町田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bridgestone Corp
Original Assignee
Bridgestone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bridgestone Corp filed Critical Bridgestone Corp
Priority to JP11207994A priority Critical patent/JP2001030287A/en
Publication of JP2001030287A publication Critical patent/JP2001030287A/en
Pending legal-status Critical Current

Links

Landscapes

  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

PROBLEM TO BE SOLVED: To inexpensively and easily manufacture a thick optical component by setting a glass plate previously coated with an optical multilayer film in a mold, coating the plate with an adhesive, then injecting a transperent plastic material in the mold, cooling to solidify the material after the injection, and integrating the plate with the material. SOLUTION: A glass plate 1 previously coated with an optical multilayer film is set to a predetermined position in a mold 10 for injection molding, the plate 1 is coated with an adhesive, then a transparent plastic material 2 is injected in the mold 10, the material 2 is cooled to be solidified after the injection and integrated with the plate 1. The mold 10 is opened in the state that the material 2 is cooled to be solidified, and an optical component made of a plastic is taken out. To cure the adhesive, an ultraviolet lamp 3 is provided in the mold 10, the adhesive coating the plate 2 is irradiated with an ultraviolet ray from the lamp 3 through a transparent glass plate 4 and the material 2, and cured.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は、プラスチック製
光学部品の製造方法、特に光学多層膜がコートされたも
のを製造する方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a plastic optical component, and more particularly to a method for manufacturing an optical component coated with an optical multilayer film.

【0002】[0002]

【従来の技術】光学機能、例えば無反射、一部反射、フ
ィルターなどの機能をもたせるために光学部品に光学多
層膜をコートすることが行なわれている。このような多
層膜をコートできるのはガラス製光学部品に限られてい
た。プラスチック製光学部品では、多層膜をコートする
際に高温となりプラスチック材料を溶融してしまうた
め、直接コートすることはできなかった。また、プラス
チック製光学部品、特に肉厚の部品では平面度を出すの
はきわめて困難とされていた。
2. Description of the Related Art An optical component is coated with an optical multilayer film in order to have an optical function, for example, a function of non-reflection, partial reflection, and a filter. Such multilayer films can be coated only on glass optical components. In the case of plastic optical components, the temperature was high when coating the multilayer film, and the plastic material was melted, so that direct coating was not possible. Also, it has been extremely difficult to achieve flatness with plastic optical parts, especially thick parts.

【0003】そこで、薄板のガラスに光学多層膜をコー
トし、このガラス板をプラスチック製光学部品に透明接
着剤で貼り合せ、肉厚光学部品の平面度を確保しつつ光
学機能を持たせる方法が試みられた。
[0003] Therefore, there is a method in which an optical multilayer film is coated on a thin glass plate, and this glass plate is bonded to a plastic optical component with a transparent adhesive so as to have an optical function while ensuring the flatness of the thick optical component. Attempted.

【0004】[0004]

【発明が解決しようとする課題】従来の試みでは、ガラ
ス板を貼り合せる工程が増えるとともに、ガラス板を正
確に貼れずに曲がってしまって不良品となるなど、製造
効率が悪く、コストアップになっていた。
In the conventional attempt, the number of steps for bonding the glass plates increases, and the glass plates are bent without being accurately bonded, resulting in a defective product. Had become.

【0005】そこで、この発明は、光学的機能を付与し
た肉厚のプラスチック製光学部品を安価にかつ容易に製
造する方法を提供することを目的とする。
Accordingly, an object of the present invention is to provide a method for inexpensively and easily manufacturing a thick plastic optical component having an optical function.

【0006】[0006]

【課題を解決するための手段】上述の目的を達成するた
め、この発明は、光学多層膜を予めコートしたガラス板
を射出成形金型内の所定の位置にセットし、このガラス
板に接着剤を塗布し、金型内に透明プラスチック材料を
射出し、射出成形後に透明プラスチック材料が冷却固化
してガラス板と一体化するものである。
In order to achieve the above-mentioned object, the present invention sets a glass plate pre-coated with an optical multilayer film at a predetermined position in an injection mold, and attaches an adhesive to the glass plate. Is applied, a transparent plastic material is injected into a mold, and after the injection molding, the transparent plastic material is cooled and solidified to be integrated with the glass plate.

【0007】[0007]

【発明の実施の形態】以下に、この発明の好適な実施例
を図面を参照にして説明する。
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

【0008】図1においては、予め光学多層膜をコート
したガラス板1を射出成形金型10内の所定の位置にセ
ットし、このガラス板1に接着剤を塗布し、金型10内
に透明プラスチック材料2を射出し、射出成形後に透明
プラスチック材料2が冷却固化してガラス板1と一体化
した状態を示している。この透明プラスチック材料2が
冷却固化した状態において、金型10を開いてプラスチ
ック製光学部品を取出す。この実施例では、ガラス板1
に塗布する接着剤として光学用紫外線硬化型接着剤、例
えばウレタンアクリレート系樹脂(デソライト・日本合
成ゴム製)、ブタジエンアクリレート系樹脂(フォート
ボンド・サンライズMSI製)などが用いられ、金型1
0内に紫外線ランプ3を設けておく例を示す。このラン
プ3からの紫外線は、金型10のキャビティを画成する
透明ガラス板4を透過し、透明プラスチック材料2も透
過してガラス板1に塗布された接着剤の面を照射し、こ
れを硬化させる。
In FIG. 1, a glass plate 1 previously coated with an optical multilayer film is set at a predetermined position in an injection mold 10, an adhesive is applied to the glass plate 1, and a transparent The plastic material 2 is injected, and after the injection molding, the transparent plastic material 2 is cooled and solidified to be integrated with the glass plate 1. With the transparent plastic material 2 cooled and solidified, the mold 10 is opened to take out the plastic optical component. In this embodiment, the glass plate 1
As an adhesive to be applied to the mold, an ultraviolet curable adhesive for optical use, for example, a urethane acrylate-based resin (manufactured by Desolite / Japan Synthetic Rubber), a butadiene acrylate-based resin (manufactured by Fort Bond / Sunrise MSI), or the like is used.
An example in which an ultraviolet lamp 3 is provided within 0 will be described. The ultraviolet light from the lamp 3 passes through the transparent glass plate 4 defining the cavity of the mold 10 and also passes through the transparent plastic material 2 to irradiate the surface of the adhesive applied to the glass plate 1, Let it cure.

【0009】図2では、ガラス板1に塗布した接着剤を
硬化させるための紫外線ランプ3を金型10の外部にセ
ットした例を示す。ガラス板1に塗布する接着剤として
は紫外線硬化型の他に熱硬化型の接着剤を使用すること
もできる。ガラス板1への接着剤塗布方法は、刷毛塗
り、スプレー塗布、ナイフコーター、へら塗りなどの手
段が採用できる。図1及び図2において光学多層膜を予
めコートしたガラス板1を金型10内にセットするに
は、金型10内にガラスセット用の溝などを形成した例
を示したが、このガラス板1を金型10内で真空吸引し
た状態でセットするようにしてもよい。このガラス板1
としては透明板、色付板、光学機能を付与した板などに
光学多層膜をコートしたものである。また、図面上ガラ
ス板1は平板を用いたが、曲面板や三次元異形板であっ
てもよい。
FIG. 2 shows an example in which an ultraviolet lamp 3 for curing the adhesive applied to the glass plate 1 is set outside the mold 10. As the adhesive applied to the glass plate 1, a thermosetting adhesive can be used in addition to the ultraviolet curing type. As a method of applying the adhesive to the glass plate 1, means such as brush coating, spray coating, knife coater, and spatula coating can be adopted. FIGS. 1 and 2 show an example in which a glass setting groove or the like is formed in the mold 10 in order to set the glass plate 1 previously coated with the optical multilayer film in the mold 10. 1 may be set in the mold 10 in a state where the vacuum suction is performed. This glass plate 1
Examples thereof include a transparent plate, a colored plate, a plate provided with an optical function, and the like coated with an optical multilayer film. Although the glass plate 1 is a flat plate in the drawings, it may be a curved plate or a three-dimensionally deformed plate.

【0010】透明プラスチック材料2としては、メタク
リル樹脂(例えばPMMA等)、アクリル樹脂、ポリカ
ーボネート樹脂、ポリスチレン樹脂、アクリロニトリル
・スチレン(AS)樹脂、トリシクロデカン環を含む樹
脂、シクロオレフィンポリマー、ポリメチルペンテン、
スチレン・ブタジエンコポリマーから選ばれたものが使
用できる。
Examples of the transparent plastic material 2 include methacrylic resin (eg, PMMA), acrylic resin, polycarbonate resin, polystyrene resin, acrylonitrile / styrene (AS) resin, resin containing a tricyclodecane ring, cycloolefin polymer, polymethylpentene ,
Those selected from styrene-butadiene copolymers can be used.

【0011】金型10内に予め光学多層膜がコートされ
たガラス板1をセットしておき、このガラス板1に透明
プラスチック材料2と接着すべき面に接着剤を塗布し、
金型10内に透明プラスチック材料2を射出するので、
この光学多層膜がコートされたガラス板1の面の透明プ
ラスチック材料2は平面度が高い。特に、寸法精度の厳
しい大型で肉厚なプリズム、レンズなどの分野におい
て、この発明の方法は有効である。ガラスは、種類が豊
富で光学的物性の安定性がよく、耐熱性に優れ、さらに
温度変化による物性の変化が少ないため、射出成形金型
10内にセットしておき、射出されてきた溶融材料にイ
ンサートしても、物性の変化が少ない。また、ガラスに
は光学多層膜をコートすることができるが、樹脂製品に
はその工程上、高い耐熱性が要求されるため、コートす
ることができない。ガラス板1への光学多層膜のコート
は、通常の真空蒸着によって容易に行うことができ、ま
た、紫外線の照射や樹脂の充填において、これらのコー
トの剥離などはおこならない。
A glass plate 1 coated with an optical multilayer film is set in a mold 10 in advance, and an adhesive is applied to a surface of the glass plate 1 to be bonded to the transparent plastic material 2.
Since the transparent plastic material 2 is injected into the mold 10,
The transparent plastic material 2 on the surface of the glass plate 1 coated with the optical multilayer film has high flatness. In particular, the method of the present invention is effective in fields such as large and thick prisms and lenses having strict dimensional accuracy. Glass is abundant, has good stability of optical properties, is excellent in heat resistance, and has little change in properties due to temperature change. Therefore, the molten material set in the injection mold 10 and injected There is little change in physical properties even when inserted in Glass can be coated with an optical multilayer film, but resin products require high heat resistance in the process, and cannot be coated. The coating of the optical multi-layer film on the glass plate 1 can be easily performed by ordinary vacuum evaporation, and these coats are not peeled off when irradiating ultraviolet rays or filling the resin.

【0012】[0012]

【発明の効果】以上説明したように、この発明によれ
ば、光学多層膜を予めコートしたガラス板を射出成形金
型内の所定の位置にセットし、このガラス板に接着剤を
塗布し、金型内に透明プラスチック材料を射出し、射出
成形後に透明プラスチック材料が冷却固化してガラス板
と一体化するようにしたので、肉厚のプラスチック製光
学部品において、光学多層膜を有し、光学機能を発揮で
きるものが得られる。また、一工程で光学機能を有する
ガラス板と透明プラスチック材料とを一体化でき、安価
かつ容易に製造することができる。
As described above, according to the present invention, a glass plate pre-coated with an optical multilayer film is set at a predetermined position in an injection mold, and an adhesive is applied to the glass plate. A transparent plastic material is injected into a mold, and after the injection molding, the transparent plastic material is cooled and solidified to be integrated with the glass plate. A product that can demonstrate its function is obtained. In addition, the glass plate having the optical function and the transparent plastic material can be integrated in one step, and can be manufactured at low cost and easily.

【図面の簡単な説明】[Brief description of the drawings]

【図1】製造例を示す金型の断面図。FIG. 1 is a sectional view of a mold showing a production example.

【図2】他の製造例を示す金型の断面図。FIG. 2 is a cross-sectional view of a mold showing another production example.

【符号の説明】[Explanation of symbols]

1 ガラス板 2 透明プラスチック材料 10 射出成形金型 DESCRIPTION OF SYMBOLS 1 Glass plate 2 Transparent plastic material 10 Injection mold

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 光学多層膜を予めコートしたガラス板を
射出成形金型内の所定の位置にセットし、 このガラス板に接着剤を塗布し、 金型内に透明プラスチック材料を射出し、 射出成形後に透明プラスチック材料が冷却固化してガラ
ス板と一体化することを特徴とするプラスチック製光学
部品の製造方法。
1. A glass plate pre-coated with an optical multilayer film is set at a predetermined position in an injection molding die, an adhesive is applied to the glass plate, and a transparent plastic material is injected into the die. A method for producing a plastic optical component, wherein a transparent plastic material is cooled and solidified after molding and integrated with a glass plate.
【請求項2】 ガラス板に塗布する接着剤として、熱硬
化型又は紫外線硬化型の接着剤を用いたことを特徴とす
る請求項1に記載のプラスチック製光学部品の製造方
法。
2. The method for producing a plastic optical component according to claim 1, wherein a thermosetting or ultraviolet curable adhesive is used as the adhesive applied to the glass plate.
【請求項3】 透明プラスチック製材料として、メタク
リル樹脂、アクリル樹脂、ポリカーボネート樹脂、ポリ
スチレン樹脂、AS樹脂、トリシクロデカン環を含む樹
脂、シクロオレフィンポリマー、ポリメチルペンテン、
スチレン・ブタジエンコポリマーから選ばれたものであ
ることを特徴とする請求項1又は2に記載のプラスチッ
ク製光学部品の製造方法。
3. Transparent plastic materials include methacrylic resin, acrylic resin, polycarbonate resin, polystyrene resin, AS resin, resin containing tricyclodecane ring, cycloolefin polymer, polymethylpentene,
3. The method for producing a plastic optical component according to claim 1, wherein the plastic optical component is selected from a styrene-butadiene copolymer.
JP11207994A 1999-07-22 1999-07-22 Manufacture of optical component made of plastic Pending JP2001030287A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11207994A JP2001030287A (en) 1999-07-22 1999-07-22 Manufacture of optical component made of plastic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11207994A JP2001030287A (en) 1999-07-22 1999-07-22 Manufacture of optical component made of plastic

Publications (1)

Publication Number Publication Date
JP2001030287A true JP2001030287A (en) 2001-02-06

Family

ID=16548928

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11207994A Pending JP2001030287A (en) 1999-07-22 1999-07-22 Manufacture of optical component made of plastic

Country Status (1)

Country Link
JP (1) JP2001030287A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013188989A (en) * 2012-03-15 2013-09-26 Panasonic Corp Insert molding
US10589448B2 (en) 2013-09-30 2020-03-17 Mitsubishi Heavy Industries, Ltd. Injection molding method and injection molding device for transparent resin molded article
KR102439411B1 (en) * 2022-04-27 2022-09-05 성진정밀 주식회사 Injection prism for rear camera and folded camera, and manufacturing method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013188989A (en) * 2012-03-15 2013-09-26 Panasonic Corp Insert molding
US10589448B2 (en) 2013-09-30 2020-03-17 Mitsubishi Heavy Industries, Ltd. Injection molding method and injection molding device for transparent resin molded article
US10759098B2 (en) 2013-09-30 2020-09-01 Mitsubishi Heavy Industries, Ltd. Injection molding method and injection molding device for transparent resin molded article
KR102439411B1 (en) * 2022-04-27 2022-09-05 성진정밀 주식회사 Injection prism for rear camera and folded camera, and manufacturing method thereof

Similar Documents

Publication Publication Date Title
KR101184146B1 (en) Decorated injection-moulded article, method for producing one such article, and a transfer film for using in one such method
US20070001327A1 (en) Method for producing laminated photochromic lenses
JP3893411B2 (en) Manufacturing method of polarizing lens
WO2010073625A1 (en) Method of manufacturing resin lens, mold for manufacturing resin lens, and film for resin lens insertion
WO2013139282A1 (en) Method for attaching an in-mold label
TWI253975B (en) Mold for molding resins and process for producing the same
JP7509744B2 (en) Improved molding apparatus for cast molding optical articles having a wafer thereon, corresponding method and optical article - Patents.com
JPS6132004A (en) Molded plastic article having superior polarizing property and its manufacture
JP2007212607A (en) Composite optical component and method of manufacturing same
JP2001030287A (en) Manufacture of optical component made of plastic
JPS60250927A (en) Manufacture of synthetic resin molding excellent in haze prevention performance
KR101051291B1 (en) Light guide for backlight unit and manufacturing method thereof
TW200600824A (en) Method for manufacturing a light deflect/color change lens from polycarbonate and other plastic materials
JP2002316339A (en) Method for manufacturing polarizing optical member
JPH07178833A (en) Manufacture of back light
JPH0584769A (en) Production of injection molded product
JPS60250926A (en) Manufacture of synthetic resin molding excellent in antistatic performance
JPH03114718A (en) Manufacture for resin molded product
JPS60250925A (en) Manufacture of synthetic resin molding excellent in weather resistance
JPS63134227A (en) Manufacture of fresnel lens
NL8501897A (en) Mfr. of injection moulded parts with scratch resistant surface
JPH0552481B2 (en)
ATE386629T1 (en) METHOD FOR PRODUCING POLARIZED OR PHOTOCHROMIC LENSES BY BONDING POLYCARBONATE AND OTHER PLASTICS
JPH06335939A (en) Manufacture of face light source panel with optical diffusion layer
JP2001201618A (en) Synthetic resin mirror

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080311

Year of fee payment: 11

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 12

Free format text: PAYMENT UNTIL: 20090311

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090311

Year of fee payment: 12

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 13

Free format text: PAYMENT UNTIL: 20100311

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100311

Year of fee payment: 13

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110311

Year of fee payment: 14

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 15

Free format text: PAYMENT UNTIL: 20120311

FPAY Renewal fee payment (prs date is renewal date of database)

Year of fee payment: 16

Free format text: PAYMENT UNTIL: 20130311

FPAY Renewal fee payment (prs date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140311

Year of fee payment: 17

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term