JPH067936Y2 - Electric heated windshield laminated glass for automobiles - Google Patents
Electric heated windshield laminated glass for automobilesInfo
- Publication number
- JPH067936Y2 JPH067936Y2 JP1990002715U JP271590U JPH067936Y2 JP H067936 Y2 JPH067936 Y2 JP H067936Y2 JP 1990002715 U JP1990002715 U JP 1990002715U JP 271590 U JP271590 U JP 271590U JP H067936 Y2 JPH067936 Y2 JP H067936Y2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- bus bar
- transparent conductive
- coating layer
- laminated glass
- 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.)
- Expired - Lifetime
Links
Landscapes
- Window Of Vehicle (AREA)
- Joining Of Glass To Other Materials (AREA)
- Non-Insulated Conductors (AREA)
Description
【考案の詳細な説明】 ［産業上の利用分野］ 本考案は、自動車用電熱風防合わせガラスに関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to an electrically heated windshield laminated glass for automobiles.
［従来の技術］ 自動車のガラス窓においては、ガラス窓の車内側面に結
露による曇りが生じてしまい、視界が遮られてしまう不
都合や、あるいはまた、厳寒時の寒冷地などでは、フロ
ントガラスなどのガラス面に付着した氷、雪や霜などが
固着してしまうという不都合があった。[Prior Art] In the case of a glass window of an automobile, fog is generated on the inner side surface of the glass window due to dew condensation, which obstructs the view, or in a cold region such as a severe cold, windshields and the like There was the inconvenience that ice, snow, frost, etc. adhered to the glass surface would stick.
このような不都合を解消するものとしては、例えば特公
昭４７−１２９７号公報などにみられるように、合わせ
ガラスの合わせ面内に透明導電性被膜を形成し、ガラス
面を加熱して付着した結露を除去したり、あるいは氷や
雪を融解させたりすることを可能にした構造の電熱ガラ
スが既に知られている。As a means for eliminating such inconvenience, for example, as seen in Japanese Patent Publication No. 47-1297, a transparent conductive coating is formed in the mating surface of laminated glass, and the glass surface is heated to cause dew condensation. There is already known an electrically heated glass having a structure capable of removing frost or melting ice or snow.
［考案が解決しようとする問題点］ しかし、このように合わせガラス内に透明導電性被膜を
介在させてなる構造のものにおいては、自動車の車外
側、又は車内側から見た場合、その周辺部にある透明導
電性被覆に給電するためのバスバーが露出して見え、美
観上好ましいものではなかった。[Problems to be solved by the invention] However, in such a structure in which a transparent conductive film is interposed in the laminated glass, when viewed from the outside or inside of the vehicle, the peripheral portion thereof The bus bar for supplying power to the transparent conductive coating in FIG. 2 was exposed and was not aesthetically pleasing.
さらに、バスバーを隠蔽する着色被覆層をバスバーとガ
ラスとの間に形成することにより美観を向上させる場合
においても、かかる着色被覆層の厚みによって生じる段
差部において、その上に形成される透明導電性被膜の膜
破断が生じる可能性を有していた。Further, even when the aesthetic appearance is improved by forming a colored coating layer for hiding the bus bar between the bus bar and the glass, the transparent conductive layer formed on the step portion caused by the thickness of the colored coating layer is formed. There was a possibility that film breakage of the coating film would occur.
［問題点を解決するための手段］ 本考案は、上記した難点を解消すべくなされたものであ
り、外板ガラスと内板ガラスとの間に、合わせ中間膜と
バスバーに接続させた透明導電性被膜とを介在させてな
る自動車用電熱風防合わせガラスにおいて、上記外板ガ
ラスと内板ガラスのそれぞれの周辺部に上記バスバーの
少なくとも一部を隠蔽する着色被覆層が形成され、上記
バスバーの側縁と、該バスバーと外板ガラス又は内板ガ
ラスとの間に形成された着色被覆層の側縁にはテーパー
が形成され、その上に上記透明導電性被膜の端部が覆う
ように形成されたことを特徴とする自動車用電熱風防合
わせガラスを提供するものである。[Means for Solving Problems] The present invention has been made to solve the above-mentioned difficulties, and a transparent conductive film connected between a laminated interlayer film and a bus bar between an outer glass plate and an inner glass plate. In an electric hot air blast laminated glass for automobiles, in which a colored coating layer for concealing at least a part of the bus bar is formed in the peripheral portion of each of the outer glass and the inner glass, and a side edge of the bus bar, The colored coating layer formed between the bus bar and the outer glass sheet or the inner glass sheet has a side edge formed with a taper, and the end portion of the transparent conductive film is formed on the side edge so as to cover the side edge. It is intended to provide a laminated glass for electric hot wind for automobiles.
［作用］ したがって、本考案によれば、合わせガラスの周辺部に
着色被覆層が形成されているので、自動車の車内外から
上記バスバーが目立たない様に隠蔽され、美観を高める
ことができると同時に、着色被覆層とバスバーの側縁に
テーパーが形成されているため、着色被覆層の厚みによ
って段差部が生じることがなく、透明導電性被膜の膜破
断現象も防止される。[Operation] Therefore, according to the present invention, since the colored coating layer is formed in the peripheral portion of the laminated glass, the bus bar is concealed from the inside and outside of the automobile so as not to be conspicuous, and at the same time the aesthetic appearance can be enhanced. Since the colored coating layer and the side edges of the bus bar are tapered, a step portion does not occur due to the thickness of the colored coating layer, and the film breaking phenomenon of the transparent conductive coating is also prevented.
［実施例］ 以下、図面に基づいて本考案の実施例を説明する。[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.
外板ガラス１と内板ガラス２とは、介在させたポリビニ
ールブチラール等からなる合わせ中間膜３により相互に
圧着、又は接着により接合されている。The outer glass sheet 1 and the inner glass sheet 2 are bonded to each other by pressure bonding or adhesion with an interposing interlayer film 3 made of polyvinyl butyral or the like interposed therebetween.
このようにして形成される合わせガラスにおける外板ガ
ラス１と合わせ中間膜３との間には、面発熱体としての
透明導電性被膜４が形成されている。この透明導電性被
膜４は、外板ガラス１、又は内板ガラス２、特に好まし
くは外板ガラス１の外面に付着した氷、雪が容易に解氷
する様に外板ガラス１の内側の合せ中間膜３側面に設け
てなるものであり、真空蒸着法やスパッタリング法な
ど、適宜の手法を用いて形成される。この透明導電性被
膜としては、金、銀、Sbがドーピングされた酸化錫、Sn
がドーピングされた酸化インジウムなどの導電性金属、
導電性金属合金、又は導電性金属酸化物からなるものが
使用される。なお、金や銀などの金属、又は金属合金か
らなる透明導電性被膜の場合には、反射率を低減させ、
透過率を高めるために、TiO2，SnO2，ZnO，InO3，WO3，
Bi2O3，ZnSなどの被膜で金属膜をサンドイッチするのが
好ましい。A transparent conductive coating 4 as a surface heating element is formed between the outer glass sheet 1 and the laminated intermediate film 3 in the laminated glass thus formed. The transparent conductive coating 4 is formed on the side surface of the laminated interlayer 3 inside the outer glass 1 so that ice or snow adhering to the outer surface of the outer glass 1 or the inner glass 2, particularly preferably the outer glass 1, can be easily thawed. It is provided, and is formed by using an appropriate method such as a vacuum vapor deposition method or a sputtering method. This transparent conductive film includes gold, silver, Sb-doped tin oxide, Sn
A conductive metal such as indium oxide doped with
A conductive metal alloy or a conductive metal oxide is used. In the case of a transparent conductive coating made of a metal such as gold or silver, or a metal alloy, the reflectance is reduced,
In order to increase the transmittance, TiO 2 , SnO 2 , ZnO, InO 3 , WO 3 ,
It is preferable to sandwich the metal film with a film such as Bi 2 O 3 or ZnS.
なお、第１図の実施例においては、透明導電性被膜４が
合わせ中間膜３と外板ガラス１との間に形成されている
が、必要によっては合わせ中間膜３と内板ガラス２との
間に形成することもできる。In the embodiment of FIG. 1, the transparent conductive film 4 is formed between the laminated intermediate film 3 and the outer glass sheet 1, but if necessary, it may be formed between the laminated intermediate film 3 and the inner glass sheet 2. It can also be formed.
透明導電性被膜４に給電するために、ガラス面に形成さ
れた透明導電性被膜４の対向した両端部にはバスバーが
設けられる。そしてこのバスバーの大部分が車内外から
隠蔽される様に外板ガラス板、および内板ガラス板の周
辺部に着色被覆層が形成される。To supply power to the transparent conductive coating 4, bus bars are provided at opposite ends of the transparent conductive coating 4 formed on the glass surface. A colored coating layer is formed on the outer glass plate and the peripheral portion of the inner glass plate so that most of the bus bar is hidden from the inside and outside of the vehicle.
なお、第１図は、外板ガラス板１の合せ面の周側縁部お
よび内板ガラス板２の外側面の周側縁部に隠蔽のために
第１の着色被覆層５および第２の着色被覆層７を形成し
たものであるが、内板ガラス板２の合せ面の周側縁部に
第２の着色被覆層７を形成してもよい。In addition, FIG. 1 shows the first colored coating layer 5 and the second colored coating for concealment at the peripheral edge of the mating surface of the outer glass plate 1 and the peripheral edge of the outer surface of the inner glass plate 2. Although the layer 7 is formed, the second colored coating layer 7 may be formed on the peripheral side edge of the mating surface of the inner glass plate 2.
かかる第１および第２の着色被覆層５、７は、バスバー
の幅に応じてバスバーが外観上あまり露出して目障りと
ならない様に、バスバーのかなりの部分を覆う様、ある
いは又バスバーの全体が覆われる様に、その幅が適宜決
められる。The first and second colored coating layers 5 and 7 cover a considerable part of the bus bar or the whole of the bus bar so that the bus bar is not exposed so much as to obscure the appearance depending on the width of the bus bar. The width is appropriately determined so as to be covered.
第１図に示した例は、バスバー６がその全幅に渡り隠蔽
される様に、又着色被覆層５とバスバー６の側縁におい
て段差が生じて透明導電性被膜４が破断しない様に、着
色被覆層５とバスバー６の側縁にテーパーをつけてその
上に透明導電性被膜４の端部が覆う様に形成した例であ
る。The example shown in FIG. 1 is colored so that the bus bar 6 is hidden over the entire width thereof and that the transparent conductive coating 4 is not broken due to a step between the colored coating layer 5 and the side edge of the bus bar 6. In this example, the side edges of the coating layer 5 and the bus bar 6 are tapered so that the ends of the transparent conductive coating 4 are covered therewith.
着色被覆層は、ガラス板に形成した時、不透明性でバス
バーを隠蔽できる被膜が形成される材料から作られる。
例えば、暗色系の色調を呈する顔料とガラスフリットと
ビヒクルと所要の添加成分を含むペースト状のセラミッ
クカラーフリット塗料や、暗色系の色調を呈する顔料と
有機樹脂と所要の添加成分を含む有機系塗料をガラス板
面にプリントし焼付、または硬化させて所望の膜厚と所
望の幅をもった着色被覆層を形成する。The colored coating layer is made of a material which, when formed on the glass plate, forms an opaque coating capable of hiding the bus bar.
For example, a paste-like ceramic color frit paint containing a pigment exhibiting a dark color tone, a glass frit, a vehicle, and the necessary additive components, or an organic paint including a pigment exhibiting a dark color tone, an organic resin, and the necessary additive components. Is printed on a glass plate surface and baked or cured to form a colored coating layer having a desired film thickness and a desired width.
また、バスバーも、Ag，Al，Pdなどの導電性金属粉末と
ガラスフリットとビヒクルと所要の添加成分を含むペー
スト状の無機系導電性塗料や、Ag，Al，Pd，Ｃなどの導
電性粉末と有機樹脂と所要の添加成分を含む有機系導電
性塗料をガラス板面にプリントし焼付、または硬化させ
て所望の膜厚と所望の幅をもってを形成する。Also, the bus bar is a paste-like inorganic conductive paint containing conductive metal powder such as Ag, Al, Pd, glass frit, vehicle and necessary additive components, and conductive powder such as Ag, Al, Pd, C. Then, an organic conductive coating material containing an organic resin and a required additive component is printed on a glass plate surface and baked or cured to form a desired film thickness and a desired width.
一方、外板ガラス１と内板ガラス２との合わせ面におけ
る周側縁部には、これら周縁部相互を非接着関係とし、
あるいはその接着関係を緩和するために緩衝部材１０を
介在配置されることができる。この緩衝部材１０は、非
接着性ないしは弱接着性のシート状、又はテープ状の素
材を用いて形成されるものであり、例えばテフロンのシ
ート材、あるいはテープ材など、緩衝性に富む素材が好
適である。なお、合わせガラス内への緩衝部材１０の介
在配置関係は、図示例に限られるものではなく、いずれ
か一方に、あるいは外板ガラス１と内板ガラス２との合
わせ面に２枚の合わせ中間膜を介在させ、この合わせ中
間膜相互の間に配設するものであってもよい。On the other hand, the peripheral side edges of the mating surfaces of the outer glass 1 and the inner glass 2 have a non-adhesive relationship with each other,
Alternatively, a cushioning member 10 may be interposed so as to relax the adhesive relationship. The cushioning member 10 is formed by using a non-adhesive or weakly-adhesive sheet-shaped or tape-shaped material, and a material having a high cushioning property such as a Teflon sheet material or a tape material is preferable. Is. In addition, the interposing arrangement relationship of the buffer member 10 in the laminated glass is not limited to the illustrated example, and two laminated interlayer films may be provided on either one or on the mating surface of the outer glass 1 and the inner glass 2. It may be interposed and disposed between the laminated interlayer films.
このようにして形成される合わせガラスにおいて、周端
面、もしくは図示例のように周端面から回り込んで合わ
せガラスの両側に位置する周側部に至までの部面には、
防湿、防水のための不透湿性絶縁シール材１１を被着す
るのが好ましい。このようにすることにより、合わせガ
ラスにおける周端面は、この不透湿性絶縁シール材１１
により気密状に封着することができるので、合わせ面内
への湿気や水分の侵入を確実に阻止することができる。
不透湿性絶縁シール材１１としては、例えばブチルゴム
系シール材、チオコール系シール材、シリコーン系シー
ル材など、絶縁性と防水性とに優れた部材を使用するの
が好ましい。In the laminated glass formed in this way, the peripheral end face, or, as in the illustrated example, on the part surfaces up to the peripheral side parts located on both sides of the laminated glass by wrapping around from the peripheral end face,
It is preferable to apply a moisture impermeable insulating seal material 11 for moisture proof and waterproof. By doing so, the peripheral end face of the laminated glass has a moisture impermeable insulating sealing material 11
As a result, the airtight sealing can be achieved, so that it is possible to reliably prevent the entry of moisture or water into the mating surfaces.
As the moisture-impermeable insulating sealing material 11, it is preferable to use a member having excellent insulating property and waterproof property such as butyl rubber-based sealing material, thiocol-based sealing material, and silicone-based sealing material.
このような不透湿性絶縁シール材１１の合わせガラス周
端面への付着により、外板ガラス１と内板ガラス２との
合わせ面内に設けた合わせ中間膜３や透明導電性被膜
４、さらには第１バスバー６と第２バスバー９とは、そ
のいずれもが外部から遮断されて合わせ面内に気密状に
封入することができる。By attaching the moisture-impermeable insulating sealing material 11 to the peripheral edge surface of the laminated glass, the laminated intermediate film 3 and the transparent conductive coating 4 provided in the combined surface of the outer glass sheet 1 and the inner glass sheet 2, and further, the first Both the bus bar 6 and the second bus bar 9 can be sealed from the outside in an airtight manner by being shielded from the outside.
このため、湿気や水分の合わせ面内への侵入を確実に阻
止することができ、合わせ中間膜３への悪影響や、侵入
水分が透明導電性被膜４などと接触して露電現象を引き
起こすのを確実に防止することができる。For this reason, it is possible to reliably prevent invasion of moisture and water into the mating surface, which may adversely affect the mating interlayer 3 and cause the invading water to come into contact with the transparent conductive film 4 or the like to cause an electric discharge phenomenon. Can be reliably prevented.
［効果］ 以上述べたように本考案によれば、合わせガラスの外板
ガラスと内板ガラスとのそれぞれの周辺部に少なくとも
バスバーのかなりの部分が隠蔽される様に、所望の色調
の不透明性の着色被覆層が形成されているので、自動車
の車内外から上記バスバーが目立たない様に隠蔽され、
美観を高めることができる。[Effect] As described above, according to the present invention, opaque coloring of a desired color tone is provided so that at least a considerable portion of the bus bar is concealed by the peripheral portions of the outer glass and the inner glass of the laminated glass. Since the coating layer is formed, the bus bar is concealed from the inside and outside of the car so that it is inconspicuous,
You can enhance your aesthetics.
又、バスバー及び着色被覆層の側縁にテーパーを形成し
たため着色被覆層やバスバーの側縁に段差がほとんどな
く、その上に透明導電性被膜の端部が覆う様に形成した
ので、透明導電性被膜が破断することもない。また、合
わせガラスの周端面に不透湿性絶縁シール材が設けられ
ているので、外板ガラスと内板ガラスとの合わせ面内に
設けた合わせ中間膜や透明導電性被膜、さらにはバスバ
ーなどを気密性を維持するすることができる。したがっ
て、漏電を引き起こしたり、合わせ中間膜に悪影響を及
ぼす湿気や水分の侵入を阻止することで、安全性と耐久
性の向上を図ることができ、特に寒冷地などで好適に使
用することができる。Moreover, since the side edges of the bus bar and the colored coating layer are tapered, there is almost no step on the side edges of the colored coating layer and the bus bar, and the transparent conductive film is formed so as to cover the end portion of the transparent conductive film. The coating does not break. In addition, since a moisture impermeable insulating sealing material is provided on the peripheral edge surface of the laminated glass, the laminated intermediate film and the transparent conductive film provided inside the mating surface of the outer glass and the inner glass, as well as the bus bar, are airtight. Can be maintained. Therefore, it is possible to improve safety and durability by preventing leakage of moisture or invasion of moisture which adversely affects the laminated interlayer film, and can be suitably used particularly in cold regions. .
第１図は、本考案の実施例に係わる自動車用電熱風防合
わせガラスの部分拡大断面図である。 １…外板ガラス、２…内板ガラス、３…合わせ中間膜、
４…透明導電性被膜、５…第１の着色被覆層、６…第１
バスバー、７…第２の着色被覆層、９…第２バスバー、
１０…緩衝部材、１１…不透湿性絶縁シール材、FIG. 1 is a partially enlarged cross-sectional view of an electric heated windshield laminated glass for an automobile according to an embodiment of the present invention. 1 ... Outer plate glass, 2 ... Inner plate glass, 3 ... Laminated interlayer film,
4 ... Transparent conductive coating, 5 ... First colored coating layer, 6 ... First
Bus bar, 7 ... second colored coating layer, 9 ... second bus bar,
10 ... cushioning member, 11 ... moisture impermeable insulating sealing material,
Claims (1)
中間膜とバスバーに接続させた透明導電性被膜とを介在
させてなる自動車用電熱風防合わせガラスにおいて、上
記外板ガラスと内板ガラスのそれぞれの周辺部に上記バ
スバーの少なくとも一部を隠蔽する着色被覆層が形成さ
れ、上記バスバーの側縁と、該バスバーと外板ガラス又
は内板ガラスとの間に形成された着色被覆層の側縁には
テーパーが形成され、その上に上記透明導電性被膜の端
部が覆うように形成されたことを特徴とする自動車用電
熱風防合わせガラス。1. An electrically heated windshield laminated glass for an automobile, wherein an interlayer glass and a transparent conductive coating connected to a bus bar are interposed between the outer glass and the inner glass, wherein the outer glass and the inner glass are respectively A colored coating layer that covers at least a part of the bus bar is formed in the peripheral part of the side edge of the bus bar and the side edge of the colored coating layer formed between the bus bar and the outer glass or the inner glass. An electrically heated windshield laminated glass for an automobile, characterized in that a taper is formed and an end portion of the transparent conductive coating is formed on the taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990002715U JPH067936Y2 (en) | 1990-01-18 | 1990-01-18 | Electric heated windshield laminated glass for automobiles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990002715U JPH067936Y2 (en) | 1990-01-18 | 1990-01-18 | Electric heated windshield laminated glass for automobiles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02132513U JPH02132513U (en) | 1990-11-02 |
| JPH067936Y2 true JPH067936Y2 (en) | 1994-03-02 |
Family
ID=31506573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990002715U Expired - Lifetime JPH067936Y2 (en) | 1990-01-18 | 1990-01-18 | Electric heated windshield laminated glass for automobiles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH067936Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5030594A (en) * | 1990-06-29 | 1991-07-09 | Ppg Industries, Inc. | Highly transparent, edge colored glass |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5059648A (en) * | 1973-09-27 | 1975-05-23 | ||
| DE2929348A1 (en) * | 1978-08-01 | 1980-02-21 | Continental Group | Aerosol or dispenser container - uses propellant driven piston to enclose prod. at end, furthest from outlet |
| DE2902748C2 (en) * | 1979-01-25 | 1983-10-06 | Vereinigte Glaswerke Gmbh, 5100 Aachen | Automobile windshields and methods for their manufacture |
-
1990
- 1990-01-18 JP JP1990002715U patent/JPH067936Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02132513U (en) | 1990-11-02 |
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