JPS6324586A - Light emitting device - Google Patents
Light emitting deviceInfo
- Publication number
- JPS6324586A JPS6324586A JP60268843A JP26884385A JPS6324586A JP S6324586 A JPS6324586 A JP S6324586A JP 60268843 A JP60268843 A JP 60268843A JP 26884385 A JP26884385 A JP 26884385A JP S6324586 A JPS6324586 A JP S6324586A
- Authority
- JP
- Japan
- Prior art keywords
- film
- light
- laminated
- laminated film
- polyvinylidene chloride
- 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.)
- Granted
Links
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims description 20
- 239000005033 polyvinylidene chloride Substances 0.000 claims description 20
- 238000002834 transmittance Methods 0.000 claims description 17
- 239000004840 adhesive resin Substances 0.000 claims description 13
- 229920006223 adhesive resin Polymers 0.000 claims description 13
- 230000035699 permeability Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000002985 plastic film Substances 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 16
- 239000000853 adhesive Substances 0.000 description 10
- 230000001070 adhesive effect Effects 0.000 description 10
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 5
- 229920006267 polyester film Polymers 0.000 description 5
- 238000004383 yellowing Methods 0.000 description 5
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 239000003566 sealing material Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229920006026 co-polymeric resin Polymers 0.000 description 2
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 2
- 229920005648 ethylene methacrylic acid copolymer Polymers 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- PZWQOGNTADJZGH-SNAWJCMRSA-N (2e)-2-methylpenta-2,4-dienoic acid Chemical compound OC(=O)C(/C)=C/C=C PZWQOGNTADJZGH-SNAWJCMRSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229920003145 methacrylic acid copolymer Polymers 0.000 description 1
- 229940117841 methacrylic acid copolymer Drugs 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920006289 polycarbonate film Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明はＥＬ（エレクトロルミネッセント）素子等の発
光素子に関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a light emitting device such as an EL (electroluminescent) device.
〈従来の技術〉
従来、Ｅ［ライト（電界発光照明）については、その光
が弱い、また、湿気や紫外線に影響されやすい、色が変
化する、などの理由により、その効果的使用は制限され
ていた。<Prior art> Conventionally, the effective use of E-light (electroluminescent lighting) has been limited due to reasons such as its weak light, being susceptible to humidity and ultraviolet rays, and changing color. was.
ところが、ここ数年間にＥＬライトのＦＪ 造について
は、数々の改良がなされ、強い光で寿命が長く、湿気に
よる退化を防ぐためにマイクロカプセルに封入するなど
、その使用の範囲が広がり、それに対応してＥＬライト
の封止材ｒ（等の開発も急がれてきた。However, over the past few years, a number of improvements have been made to the FJ structure of EL lights, and the range of its use has expanded, such as by providing strong light with a longer lifespan and encapsulating it in microcapsules to prevent deterioration due to moisture. The development of sealing materials for EL lights has also been accelerated.
封止材料については、軽」１ヒ、低コスト化指向よりプ
ラスチック材料が求められている。その要求性能につい
ては、光線透過率、防湿性、基材との接着性があげられ
る。As for sealing materials, plastic materials are in demand due to light weight and low cost trends. The required performances include light transmittance, moisture resistance, and adhesion to the base material.
プラスチック材料の中から、上記要求性能を満足するも
のとしては、非常に透明性が高く、水蒸気透過度の低い
プラスチックフィルムとして、ポリ塩化３フフ化エチレ
ンが選ばれており、基材との接着性を付与するため、エ
ヂレンーメククリル酸共重合樹脂等を積層させ、Ｅ［ラ
イ１−の封止材料としている。Among plastic materials, polychlorinated trifluoroethylene was selected as a plastic film that satisfies the above required performance with very high transparency and low water vapor permeability, and has excellent adhesiveness to the base material. In order to provide this, an edilene-meccrylic acid copolymer resin or the like is laminated as a sealing material for E[Lye 1-].
〈発明が解決しようとする問題点〉
このポリ塩化３７）化エチレンフィルムは非常に価格が
高く、従ってＬライトの価格も高くならざるを得なかっ
た。そこで、本発明はこのポリ塩化３フツ化エチレンを
用いることなく、しかも性能に優れた発光素子を提供す
ることを目的とする。<Problems to be Solved by the Invention> This polychlorinated 37) ethylene film is extremely expensive, and therefore the price of L-light has to be high as well. Therefore, an object of the present invention is to provide a light emitting element that does not use polychlorinated trifluoroethylene and has excellent performance.
〈問題点を解決するための手段〉
この目的を達成するため、本発明は、透明プラスチック
フィルム上に透湿度１ｇ／Ｉｌｌ・２４ｈｒ以下（２５
μ厚み）のポリ塩化ビニリデンフィルムを少なくとも一
層ｇＩ層し、最内層が接着性樹脂である積層フィルムで
あって、波長領ｈ！３５０ｎｍ以上８００ｎｍ以下のい
ずれの光線の透過率も８５％以上である積層フィルムに
より、発光材料を密封して成る発光素子を提供する。<Means for Solving the Problems> In order to achieve this object, the present invention provides a transparent plastic film with a moisture permeability of 1 g/Ill·24 hr or less (25
A laminated film comprising at least one layer of polyvinylidene chloride film (μ thickness) gI, the innermost layer being an adhesive resin, and having a wavelength range h! A light-emitting element is provided in which a light-emitting material is sealed with a laminated film having a transmittance of 85% or more for any light beam in the range of 350 nm or more and 800 nm or less.
〈実施例の説明〉
以下、図面を参照して本発明を説明する。第１図は発光
素子の例であるＥＬライトの断面図、第２図は積層フィ
ル、ムの断面図である。<Description of Examples> The present invention will be described below with reference to the drawings. FIG. 1 is a sectional view of an EL light, which is an example of a light emitting element, and FIG. 2 is a sectional view of a laminated film.
第１図から理解できるように、ＥＬライトは背面電極（
２）上に絶縁層（３）、その上に発光層（４）、更に上
部に透明導電層（５）、捕水層（６）があり、これら全
体を高光線透過性、高防湿性を有する積層フィルム（１
）により封止した発光体である。As you can understand from Figure 1, the EL light has a back electrode (
2) There is an insulating layer (3) on top, a light-emitting layer (4) on top, and a transparent conductive layer (5) and a water-trapping layer (6) on top, all of which have high light transmittance and high moisture resistance. Laminated film (1
) is a luminous body sealed with
第２図はこの積層フィルム（１）の断面図であり、透明
プラスチックフィルム（７）上に接着剤１（１０）、ポ
リ塩化ビニリデンフィルム層（８）、接着剤層（１０）
、接着性樹脂層（９）を順次積層させたものである。Figure 2 is a cross-sectional view of this laminated film (1), with adhesive 1 (10), polyvinylidene chloride film layer (8), adhesive layer (10) on transparent plastic film (7).
, adhesive resin layers (9) are sequentially laminated.
まず、この透明性プラスチックフィルム（７）について
は、ポリエステルフィルム、ポリカーボネートフィルム
、ポリスチレンフィルムなど光線透過率の匝れたものを
用いる。First, for the transparent plastic film (7), a film with low light transmittance, such as a polyester film, a polycarbonate film, or a polystyrene film, is used.
積層フィルム（１）は発光封止材として高光線透過性が
必須条件のため、接着剤（１０）は経時で変化しない系
を選ぶ。Since the laminated film (1) must have high light transmittance as a luminescent sealing material, the adhesive (10) is selected to be a type that does not change over time.
すなわち、無黄変性タイプで上述した接着が可能ならば
どのようなイブでも構わない。That is, any type of eve may be used as long as it is a non-yellowing type and can adhere as described above.
ポリ塩化ビニリデンフィルム（８）は、防湿性の高いも
のを使用する必要があり、２５μの厚さの時、１ Ｑ
／ｍ ２４ｈｒ以下でなければならない。Polyvinylidene chloride film (8) must be highly moisture-proof, and when it is 25 μ thick, 1 Q
/m Must be 24 hours or less.
一般にはポリ塩、化ビニリデンは塩化ごニリデンと塩化
ビニルの共重合体であり、可塑剤を含むが、後述する試
験例から分るように、この防湿性を有するポリ塩化ごニ
リデンフィルムは極めて特殊なものである。In general, polysalt vinylidene chloride is a copolymer of nylidene chloride and vinyl chloride, and contains a plasticizer, but as you can see from the test examples below, this polyvinylidene chloride film with moisture resistance is extremely It's something special.
すなわち、１ｇ／ｍ ・２４ ｈｒ以下の防湿性を有す
るポリ塩化ビニリデンフィルムの例としては、塩化ビニ
リデン８０％、塩化ビニル２０％の共重合体が例示でき
、可塑剤は１％以下であることが望ましい。That is, an example of a polyvinylidene chloride film having a moisture resistance of 1 g/m 24 hr or less is a copolymer of 80% vinylidene chloride and 20% vinyl chloride, and the plasticizer content may be 1% or less. desirable.
接着性樹脂（９）は、接着剤（１０）によりポリ塩化ご
ニリデンフィルム（８）上に積層させる。The adhesive resin (9) is laminated onto the polynylidene chloride film (8) using an adhesive (10).
接着性樹脂く９）は、他の層と同じく、積層フィルム（
１）の透明性に影響を与えるから、透明度の高いものが
良く、また、接着性の点から、エチレン−メタクリル酸
共重合体樹脂、エチレン−アクリル酸共重合体樹脂、無
水マレイン酸による変性ポリエチレン等が使用できる。Like the other layers, the adhesive resin (9) is a laminated film (
Since it affects the transparency of 1), it is better to use a highly transparent one.Also, from the viewpoint of adhesion, polyethylene modified with ethylene-methacrylic acid copolymer resin, ethylene-acrylic acid copolymer resin, or maleic anhydride is recommended. etc. can be used.
この他、積層フィルム（１）には、他の樹脂層が積層さ
れていても良いが、積層フィルム全体の光線透過率は、
波長領Ｍ３５０ｎｍ以上８０Ｑｎｍ以下のいずれの波長
においても８５％以上であることが必要であり、また積
層フィルム（１）全体の透湿度は０．５ｇ／ｍ ２４ｈ
ｒ以下であることが望ましい。In addition, other resin layers may be laminated on the laminated film (1), but the light transmittance of the entire laminated film is
It is necessary that the moisture permeability of the entire laminated film (1) is 0.5 g/m 24 hours.
It is desirable that it be less than or equal to r.
このような積層フィルムの例としては、「厚さ１２μの
透明ポリエステルフィルム、／接着剤／厚さ５０μの塩
化ビニリデン（８０％）−塩化ビニル（２０％）の共重
合体フィルム／接看剤／厚さ３０μのエチレン−メタク
リル酸共重合体樹脂」の積層フィルムがある。Examples of such laminated films include: ``12μ thick transparent polyester film / adhesive / 50μ thick vinylidene chloride (80%)-vinyl chloride (20%) copolymer film / adhesive / There is a laminated film of ``ethylene-methacrylic acid copolymer resin'' with a thickness of 30μ.
〈試験例１〉
各種ポリ塩化ごニリデン系フィルムの透湿度と光線透過
率を調べるため、以下の△〜Ｄの４種類の積層フィルム
を作成した。なお、いずれの積層フィルムも、ポリエス
テルフィルム上に無黄変つレタン系接着剤によりポリ塩
化ビニリデン系フィルムを積層し、更に同じ接着剤を介
してエチレン−アクリル酸共重合体樹脂をコーティング
したもので、各積層フィルムの各層の厚さ、各ｇＩ層フ
ィルムの全体の厚さは同一にしである。また、サラン）
（Ｂは塩化ビニリデン８０％、塩化ビニル２０％の共重
合樹脂である。<Test Example 1> In order to examine the moisture permeability and light transmittance of various polynylidene chloride films, four types of laminated films Δ to D below were created. Both laminated films are made by laminating a polyvinylidene chloride film on a polyester film using a non-yellowing urethane adhesive, and then coating it with an ethylene-acrylic acid copolymer resin using the same adhesive. , the thickness of each layer of each laminated film, and the overall thickness of each gI layer film are the same. Also, Saran)
(B is a copolymer resin of 80% vinylidene chloride and 20% vinyl chloride.
Ｏ積層フィルムＡ
（イ）透明フィルム；厚さ２５μのポリエステルフィル
ム
（ロ）ポリ塩化ビニリデン系フィルム：厚さ５０μのサ
ランＨＢ（ダウ・ケミカル社製）（ハ）接着性樹脂：エ
チレン−メタクリル酸共重合体樹脂（厚さ５０μにコー
ティング）Ｏ積層フィルムＢ
（イ）透明フィルム；Ａに同じ。O Laminated film A (a) Transparent film; 25μ thick polyester film (b) Polyvinylidene chloride film: 50μ thick Saran HB (manufactured by Dow Chemical Company) (c) Adhesive resin: ethylene-methacrylic acid co-acid Polymer resin (coated to a thickness of 50μ) O laminated film B (a) Transparent film; same as A.
（ロ）ポリ塩化ビニリデン系フィルム；厚さ５０μのＫ
Ｆｌｅｘ（呉羽化学■製）
（ハ）接着性樹脂：Ａに同じ。(b) Polyvinylidene chloride film; 50μ thick K
Flex (manufactured by Kureha Chemical) (c) Adhesive resin: Same as A.
Ｏ積層フィルムＣ （イ）透明フィルム；Ａに同じ。O laminated film C (A) Transparent film; same as A.
（ロ）ポリ塩化ビニリデン系フィルム；厚さ５０μのサ
ランＲＰ（ダウケミカル社製）（ハ）接着性樹脂；Ａに
同じ。(b) Polyvinylidene chloride film; 50μ thick Saran RP (manufactured by Dow Chemical Company) (c) Adhesive resin; same as A.
Ｏ積層フィルムＤ （イ）透明フィルム：Ａに同じ。O laminated film D (a) Transparent film: Same as A.
（ロ）ポリ塩化ビニリデン系フィルム；両面にポリ塩化
ごニリデンを塗布した延伸ポリプロピレンフィルム（厚
さ５０μ）
（ハ）接着性樹脂：Ａに同じ。(b) Polyvinylidene chloride film; stretched polypropylene film coated with polyvinylidene chloride on both sides (thickness 50μ) (c) Adhesive resin: Same as A.
この透湿度を下記第１表に、また光ｔａ透過率を第３図
Ａ−Ｄに示す。なお、第３図Ａ〜Ｄにおいて、Ａ−Ｄの
記号は各積層フィルムを示し、各図の横軸は光線の波長
（ｎｍ）、縦軸は光線透過率（％）を示す。The moisture permeability is shown in Table 1 below, and the light ta transmittance is shown in FIGS. 3A to 3D. In addition, in FIGS. 3A to 3D, symbols A to D indicate each laminated film, the horizontal axis of each figure indicates the wavelength of the light beam (nm), and the vertical axis indicates the light transmittance (%).
この結果から分るように、ポリ塩化ビニリデンフィルム
の種類によって光線透過率はほとんど変らないのに対し
、透湿度は１０倍以上の相違が生じる。As can be seen from these results, while the light transmittance hardly changes depending on the type of polyvinylidene chloride film, the water vapor permeability differs by more than 10 times.
〈試験例２〉
上記試験例１に基ずき、各ポリ塩化ビニリデンフィルム
の厚さ又は積層枚数を変えることにより、積層フィルム
の透湿度を一定（０，１９／ｍ ・２４ｈｒ）となるよ
うに以下の４枚の積層フィルムを作成した。<Test Example 2> Based on Test Example 1 above, the moisture permeability of the laminated film was kept constant (0.19/m 24 hr) by changing the thickness or number of laminated layers of each polyvinylidene chloride film. The following four laminated films were created.
○積層フィルムへ−
（イ）透明フィルム：厚さ１２μのポリエステルフィル
ム。○ To the laminated film - (a) Transparent film: 12μ thick polyester film.
（ロ）ポリ塩化ごニリデン系フィルム；厚ざ５０μのサ
ランＨＢ０
（ハ）接着性樹脂；エチレン−メタクリル酸共重合体樹
脂（厚さ３０μにコーティング）Ｏ積層フィルムＢ′
（イ）透明フィルム；Ａ−に同じ。(b) Polynylidene chloride film; Saran HB0 with a thickness of 50μ (c) Adhesive resin; ethylene-methacrylic acid copolymer resin (coated to a thickness of 30μ) O laminated film B' (a) Transparent film; A - Same as -.
（ロ）ポリ塩化ビニリデン系フィルム；厚さ２０μのＫ
Ｆｌｅｘを無黄変性接着剤により４枚接着積層した
フィルム（厚さ約８０μ）。(b) Polyvinylidene chloride film; 20μ thick K
A film (approximately 80μ thick) made of 4 sheets of Flex laminated with a non-yellowing adhesive.
（ハ）接着性樹脂；Ａ′に同じ。(c) Adhesive resin; same as A'.
○積層フィルムＣ− （イ）透明フィルム；Ａ−に同じ。○Laminated film C- (A) Transparent film; same as A-.
（ロ）ポリ塩化ビニリデン系フィルム：厚さ３０μのサ
ランＲＰを無黄変性接着剤により４枚接着積層したフィ
ルム（厚さ約１２０μ）。(b) Polyvinylidene chloride film: A film (approximately 120 μm thick) made by laminating 4 Saran RP sheets with a thickness of 30 μm using a non-yellowing adhesive.
（ハ）接着性樹脂：△′に同じ。(c) Adhesive resin: Same as △′.
○積層フィルムＤ′ （イ）透明フィルム：Ａ′に同じ。○Laminated film D' (a) Transparent film: Same as A'.
（ロ）ポリ塩化ごニリデン系フィルム；ポリ塩化ビニリ
デンを両面に塗布した延伸ポリプロピレンフィルム（厚
さ２０μ）を無黄変性接着剤により１５枚接１１層させ
たフィルム（厚さ約３００μ）。(b) Polynylidene chloride film: A film (approximately 300 μm thick) consisting of 15 stretched polypropylene films (20 μm thick) coated with polyvinylidene chloride on both sides and 11 layers bonded together using a non-yellowing adhesive.
（ハ）接着性樹脂；Ａ′に同じ。(c) Adhesive resin; same as A'.
これらの各積層フィルム八−〜Ｄ′の光線透過率を第４
図Ａ′〜Ｄ′に示す。第４図Ａ′〜Ｄ′おいて、その記
号は各積層フィルムの記号と一致している。The light transmittance of each of these laminated films 8- to D' is
Shown in Figures A'-D'. In FIGS. 4A' to 4D', the symbols correspond to the symbols of each laminated film.
以上の試験例から分るように、ポリ塩化ビニリデンフィ
ルムの光線透過率はその組成に関与せず、その厚さによ
って大きく変化する。これに対し、透湿度はその組成と
厚さによって変化する。As can be seen from the above test examples, the light transmittance of a polyvinylidene chloride film is not related to its composition and varies greatly depending on its thickness. On the other hand, moisture permeability varies depending on its composition and thickness.
そして、特にその透湿度の低いポリ塩化ビニリデンフィ
ルムを選択することにより、その防湿性と透明性を共に
満たすことができることが分る。It is also found that by selecting a polyvinylidene chloride film that has particularly low moisture permeability, it is possible to satisfy both moisture resistance and transparency.
このようなポリ塩化ビニリデンフィルムとしては塩化ビ
ニリデン８０％、塩化ビニル２０％の共重合体から成る
フィルムが例示でき、ｆＩ！ｌｌフィルムとしては上記
Ａ′のフィルムが防湿性、透明性の要求を満たしている
ことが分る。An example of such a polyvinylidene chloride film is a film made of a copolymer of 80% vinylidene chloride and 20% vinyl chloride, and fI! It can be seen that the above film A' satisfies the requirements for moisture resistance and transparency as a ll film.
〈効果〉
以上のように、本発明に係る積層フィルムはポリ塩化３
フツ化エチレンを用いることなく、しかもすぐれた防湿
性、光線透過性を有しているので、これにより高防湿性
、高光線透過率かつ経済的に優れている発光素子を得る
ことができる。<Effects> As described above, the laminated film according to the present invention has polychloride 3
Since it does not use fluorinated ethylene and has excellent moisture resistance and light transmittance, it is possible to obtain a light-emitting element that has high moisture resistance, high light transmittance, and is economically superior.
図面は本発明の実施例を示し、第１図はＥＬライトの断
面図、第２図は積層フィルムの断面図で、第３図Ａ−Ｄ
は積層フィルムＡ〜Ｄの光線透過率を示すチャート、第
４図Ａ′〜Ｄ′は積層フィルムＡ−〜Ｄ−の光線透過率
を示すチャートである。
（５）・・・透明導電層 （６）・・・捕水層（７）
・・・透明フィルムThe drawings show embodiments of the present invention, and FIG. 1 is a cross-sectional view of an EL light, FIG. 2 is a cross-sectional view of a laminated film, and FIG. 3 is a cross-sectional view of an EL light.
4 is a chart showing the light transmittance of the laminated films A to D, and FIG. 4A' to D' is a chart showing the light transmittance of the laminated films A to D-. (5)...Transparent conductive layer (6)...Water trapping layer (7)
・・・Transparent film
Claims (1)
・２４ｈｒ以下（２５μ厚み）のポリ塩化ビニリデンフ
ィルムを少なくとも一層積層し、最内層が接着性樹脂で
ある積層フィルムであって、波長領域３５０ｎｍ以上８
００ｎｍ以下のいずれの波長の光線の透過率も８５％以
上である積層フィルムにより、発光材料を密封してなる
ことを特徴とする発光素子。 （２）積層フィルムの透湿度が０．５ｇ／ｍ＾２・２４
ｈｒ以下であることを特徴とする特許請求の範囲第（１
）項記載の発光素子。[Claims] 1) Moisture permeability of 1 g/m^2 on transparent plastic film
・A laminated film consisting of at least one layer of polyvinylidene chloride film of 24 hours or less (25μ thickness), the innermost layer of which is an adhesive resin, with a wavelength range of 350 nm or more 8
1. A light-emitting device characterized in that a light-emitting material is sealed with a laminated film having a transmittance of 85% or more for any wavelength of light of 00 nm or less. (2) The moisture permeability of the laminated film is 0.5g/m^2.24
Claim No. 1 (1) characterized in that the
) The light-emitting element described in item 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60268843A JPS6324586A (en) | 1985-11-29 | 1985-11-29 | Light emitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60268843A JPS6324586A (en) | 1985-11-29 | 1985-11-29 | Light emitting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6324586A true JPS6324586A (en) | 1988-02-01 |
| JPH0371758B2 JPH0371758B2 (en) | 1991-11-14 |
Family
ID=17464037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60268843A Granted JPS6324586A (en) | 1985-11-29 | 1985-11-29 | Light emitting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6324586A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62157095U (en) * | 1986-03-27 | 1987-10-06 | ||
| JPH02140687A (en) * | 1988-11-21 | 1990-05-30 | Seikosha Co Ltd | Light emission needle and its production |
| JPH02155195A (en) * | 1988-12-07 | 1990-06-14 | Daicel Chem Ind Ltd | Luminous device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140071530A (en) * | 2012-11-19 | 2014-06-12 | 주식회사 한광 | Laser machining apparatus for machining bar-like workpieces |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57165995A (en) * | 1981-04-03 | 1982-10-13 | Alps Electric Co Ltd | Electric field light emitting element |
| JPS57187891A (en) * | 1981-05-13 | 1982-11-18 | Hitachi Ltd | Electroluminescence element |
| JPS5841597U (en) * | 1981-09-10 | 1983-03-18 | 積水化学工業株式会社 | electroluminescent lamp |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5841597B2 (en) * | 1980-12-24 | 1983-09-13 | 富士通株式会社 | Semiconductor memory discharge circuit |
-
1985
- 1985-11-29 JP JP60268843A patent/JPS6324586A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57165995A (en) * | 1981-04-03 | 1982-10-13 | Alps Electric Co Ltd | Electric field light emitting element |
| JPS57187891A (en) * | 1981-05-13 | 1982-11-18 | Hitachi Ltd | Electroluminescence element |
| JPS5841597U (en) * | 1981-09-10 | 1983-03-18 | 積水化学工業株式会社 | electroluminescent lamp |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62157095U (en) * | 1986-03-27 | 1987-10-06 | ||
| JPH0322875Y2 (en) * | 1986-03-27 | 1991-05-17 | ||
| JPH02140687A (en) * | 1988-11-21 | 1990-05-30 | Seikosha Co Ltd | Light emission needle and its production |
| JPH02155195A (en) * | 1988-12-07 | 1990-06-14 | Daicel Chem Ind Ltd | Luminous device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0371758B2 (en) | 1991-11-14 |
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