JPH08217499A - Safety glass structure - Google Patents
Safety glass structureInfo
- Publication number
- JPH08217499A JPH08217499A JP2427895A JP2427895A JPH08217499A JP H08217499 A JPH08217499 A JP H08217499A JP 2427895 A JP2427895 A JP 2427895A JP 2427895 A JP2427895 A JP 2427895A JP H08217499 A JPH08217499 A JP H08217499A
- Authority
- JP
- Japan
- Prior art keywords
- film
- resistance value
- metal
- transparent conductive
- 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.)
- Pending
Links
- 239000005336 safety glass Substances 0.000 title abstract 5
- 239000011521 glass Substances 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 14
- 229920003023 plastic Polymers 0.000 claims abstract description 10
- 239000004033 plastic Substances 0.000 claims abstract description 10
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 239000010703 silicon Substances 0.000 claims abstract description 6
- 239000005340 laminated glass Substances 0.000 claims description 29
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims 1
- 229910001887 tin oxide Inorganic materials 0.000 claims 1
- 239000011787 zinc oxide Substances 0.000 claims 1
- 239000010408 film Substances 0.000 abstract description 64
- 230000020169 heat generation Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000012789 electroconductive film Substances 0.000 abstract 4
- 239000010410 layer Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 7
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 7
- 239000010409 thin film Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910007667 ZnOx Inorganic materials 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 238000001755 magnetron sputter deposition Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000005361 soda-lime glass Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 229910006854 SnOx Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000005354 aluminosilicate glass Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Landscapes
- Joining Of Glass To Other Materials (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、主として、通電加熱す
ることにより防曇機能を発揮する自動車用合わせガラス
に関し、特に、電気自動車に適した防曇機能付き合わせ
ガラスに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention mainly relates to a laminated glass for automobiles which exhibits an antifogging function by being electrically heated, and more particularly to a laminated glass with an antifogging function suitable for electric vehicles.
【０００２】[0002]
【従来の技術】自動車用合わせガラスに防曇機能をもた
せたものとしては、銀膜を含む薄膜が用いられており、
例えば、ガラス板／透明高屈折率薄膜／銀膜／透明高屈
折率薄膜／プラスチック中間膜／ガラス板の構成のガラ
スが使われている。このような構成の合わせガラスで
は、Ａｇ膜が発熱して防曇機能を発揮するが、Ａｇ膜の
電気抵抗値は長期間にわたり安定しており耐久性に優れ
ることが知られている。2. Description of the Related Art As a laminated glass for automobiles having an anti-fog function, a thin film including a silver film is used.
For example, glass having a structure of glass plate / transparent high refractive index thin film / silver film / transparent high refractive index thin film / plastic intermediate film / glass plate is used. In the laminated glass having such a configuration, the Ag film generates heat and exhibits an antifogging function, but it is known that the electric resistance value of the Ag film is stable for a long period of time and is excellent in durability.
【０００３】一方、最近は省エネルギーや環境保護の観
点から電気自動車が注目されている。電気自動車では排
熱を利用した防曇機能が十分でないために、合わせガラ
スに通電加熱することによる防曇機能が望まれており、
発熱機能をもたせるための薄膜としては、ＩＴＯ（In2O
3 (Sn)）、ＳｎＯｘ、ＺｎＯｘ、ＳｂまたはＦドープＳ
ｎＯｘ、ＡｌドープＺｎＯｘ等の透明導電膜が知られて
いる。On the other hand, recently, electric vehicles have been attracting attention from the viewpoint of energy saving and environmental protection. In electric vehicles, the anti-fog function that uses exhaust heat is not sufficient, so an anti-fog function by electrically heating laminated glass is desired,
As a thin film for providing a heat generating function, ITO (In 2 O
3 (Sn)), SnOx, ZnOx, Sb or F-doped S
Transparent conductive films such as nOx and Al-doped ZnOx are known.
【０００４】[0004]
【発明が解決しようとする問題点】しかしながら、上述
のような透明導電膜を用いた合わせガラスにおいては、
時間経過とともに、透明導電膜の面積抵抗値が変化する
という問題点があることが見い出された。かかる面積抵
抗値の経時変化は、合わせガラスの防曇性能に好ましく
ない影響を及ぼす。However, in the laminated glass using the transparent conductive film as described above,
It has been found that there is a problem that the sheet resistance of the transparent conductive film changes with the passage of time. Such a change with time of the sheet resistance value adversely affects the antifogging performance of the laminated glass.
【０００５】[0005]
【問題点を解決するための手段】本発明者は、かかる抵
抗変化がプラスチック中間膜に含まれる水または酸素に
よる透明導電膜の酸化または還元反応が原因であると推
測し、かかる知見に基づき本発明を完成させた。The present inventors have speculated that such a resistance change is caused by the oxidation or reduction reaction of the transparent conductive film due to water or oxygen contained in the plastic intermediate film, and based on such findings, Completed the invention.
【０００６】即ち、本発明は、２枚以上のガラス板と、
これらのガラス板相互の接合面に配置されるプラスチッ
ク中間膜とからなり、これらのガラス板の少なくとも１
枚の前記接合面には、透明導電膜及び少なくとも１対の
バスバー電極を形成した合わせガラス構造において、前
記透明導電膜と前記プラスチック中間膜との間には、こ
の透明導電膜の面積抵抗値の変化を抑制する金属または
金属もしくは珪素の酸化物からなる１層または２層以上
の抵抗値安定化膜を介在させたことを特徴とする合わせ
ガラス構造である。That is, the present invention comprises two or more glass plates,
At least one of these glass plates is composed of a plastic intermediate film disposed on the joining surface of these glass plates.
In a laminated glass structure in which a transparent conductive film and at least one pair of bus bar electrodes are formed on the bonding surfaces of the sheets, the area resistance value of the transparent conductive film is different between the transparent conductive film and the plastic intermediate film. The laminated glass structure is characterized in that one or more resistance value stabilizing films made of a metal or an oxide of metal or silicon that suppresses change are interposed.
【０００７】本発明のおける透明導電膜は、ＩＴＯ、Ｓ
ｎＯ2 、ＺｎＯのいずれかを主成分とすることが好まし
く、また、その面積抵抗値は、後述のように、２００〜
４００Ω／□程度が好ましい。The transparent conductive film of the present invention is made of ITO, S
It is preferable to use nO 2 or ZnO as a main component, and the sheet resistance value thereof is 200 to
About 400Ω / □ is preferable.
【０００８】さらに、本発明における透明導電膜は膜厚
が厚すぎると光学干渉により反射率の増加、透過率の減
少、着色などの問題が生じるため、１００ｎｍ以下であ
ることが好ましい。Further, if the thickness of the transparent conductive film in the present invention is too thick, problems such as increase in reflectance, decrease in transmittance and coloring due to optical interference occur, so that the thickness is preferably 100 nm or less.
【０００９】また、本発明のおける抵抗値安定化膜は、
１層または２層以上の金属または金属もしくは珪素の酸
化物からなるが、このうちの少なくとも１層は、Ｃｒ、
Ｃｒ酸化物またはＣｒを含む合金の酸化物であることが
好ましい。尚、膜厚については、１ｎｍ以上が好まし
い。The resistance value stabilizing film of the present invention is
One or more layers of metal or oxide of metal or silicon, at least one of which is Cr,
It is preferably a Cr oxide or an oxide of an alloy containing Cr. The film thickness is preferably 1 nm or more.
【００１０】また、本発明における中間膜としては、ウ
レタン、ＥＶＡ（エチレン−酢酸ビニール共重合体）、
ＰＶＢ（ポリビニールブチラール）が用いられるが、接
着力保持等の観点から、自動車用としてはＰＶＢが好ま
しい。尚、耐貫通性を確保するためには、所定の水分を
含むＰＶＢが好ましい。Further, as the intermediate film in the present invention, urethane, EVA (ethylene-vinyl acetate copolymer),
Although PVB (polyvinyl butyral) is used, PVB is preferable for automobiles from the viewpoint of maintaining adhesive strength. In order to secure the penetration resistance, PVB containing a predetermined water content is preferable.
【００１１】さらに、本発明におけるガラス板として
は、特に限定されるものではなく、ほう珪酸ガラス板、
アルミノシリケートガラス板等も使用できるが、一般的
には、ソーダライムシリケートが用いられる。Further, the glass plate in the present invention is not particularly limited, and a borosilicate glass plate,
Aluminosilicate glass plates and the like can be used, but soda lime silicate is generally used.
【００１２】本発明における薄膜の成膜法としては、ス
プレー法、真空蒸着法、ＣＶＤ法、スパッタリング法等
が使用できるが、生産性、膜厚の二次元的均一性、制御
性を考慮するとスパッタリング法が好ましい。As the method for forming a thin film in the present invention, a spray method, a vacuum vapor deposition method, a CVD method, a sputtering method and the like can be used, but in view of productivity, two-dimensional uniformity of film thickness and controllability, sputtering Method is preferred.
【００１３】また、本発明において２層からなる抵抗値
安定化膜を形成する場合には、まず、透明導電膜上に、
金属層（例えばＣｒ層、Ｃｒを含む合金層）を形成し、
その後に、金属酸化物膜を酸素を含むガス中で成膜する
ことにより、前記金属層を酸化させてＣｒ酸化物等金属
酸化物層を形成してもよい。尚、この方法により、金属
層が完全に酸化されず一部がＣｒ等のままで存在してい
ても問題はない。In the case of forming a resistance value stabilizing film consisting of two layers in the present invention, first, on the transparent conductive film,
Forming a metal layer (for example, a Cr layer, an alloy layer containing Cr),
Then, a metal oxide film may be formed in a gas containing oxygen to oxidize the metal layer to form a metal oxide layer such as Cr oxide. By this method, there is no problem even if the metal layer is not completely oxidized and a part thereof remains as Cr or the like.
【００１４】本発明に係る合わせガラスを自動車等車両
に適用する場合には、透明導電膜等を形成したガラス板
を車内側・車外側のいずれに用いてもよい。但し、中間
膜によっては、紫外線を遮蔽する効果を有するものもあ
るため、この効果を利用する観点からは、上記ガラス板
を車内側に用いることが好ましい。When the laminated glass according to the present invention is applied to a vehicle such as an automobile, a glass plate having a transparent conductive film or the like may be used either inside or outside the vehicle. However, since some interlayer films have an effect of blocking ultraviolet rays, it is preferable to use the glass plate inside the vehicle from the viewpoint of utilizing this effect.
【００１５】[0015]
【作用】本発明においては、透明導電膜とプラスチック
中間膜との間に介在させた１層または２層以上の金属ま
たは金属もしくは珪素の酸化物からなる抵抗値安定化膜
により、上述の酸化または還元反応が防止されて透明導
電膜の経時変化が効果的に抑制され、長期間安定した発
熱特性が得られ防曇性能が確保される。In the present invention, the above-mentioned oxidation or oxidation is performed by the resistance stabilizing film made of one or more layers of metal or metal or oxide of silicon interposed between the transparent conductive film and the plastic intermediate film. The reduction reaction is prevented, the change with time of the transparent conductive film is effectively suppressed, stable heat generation characteristics are obtained for a long period of time, and antifogging performance is secured.
【００１６】[0016]
【実施例】以下、本発明の実施例を説明する。本実施例
に用いる透明導電膜の面積抵抗値は、電気自動車を想定
し以下の手順により決定した。即ち、電気自動車では動
力をすべて電気でまかなうために、搭載されるバッテリ
電源電圧は２００Ｖ以上である。また、防曇機能として
十分な発熱量は４００〜７００Ｗ／ｍ2 である。ここ
で、通電加熱用の一対のバスバー電極を合わせガラスの
上下の端に取付けた場合についてシート抵抗値（Ｒ
□）、バッテリ電源電圧（Ｖ）、合わせガラスの面積
（Ｓ）、合わせガラスの縦の長さ／横の長さの比（ｒ）
と発熱量（Ｗ）の関係は以下のようになる。Embodiments of the present invention will be described below. The sheet resistance value of the transparent conductive film used in this example was determined by the following procedure assuming an electric vehicle. That is, in an electric vehicle, the battery power source voltage to be mounted is 200 V or more in order to fully supply the power with electricity. Further, the calorific value sufficient for the antifogging function is 400 to 700 W / m 2 . Here, the sheet resistance (R) is measured when a pair of bus bar electrodes for electric heating are attached to the upper and lower ends of the laminated glass.
□), battery power supply voltage (V), area of laminated glass (S), ratio of longitudinal length / lateral length of laminated glass (r)
And the amount of heat generation (W) are as follows.
【００１７】Ｒ□＝（Ｖ2 ／（Ｗ／Ｓ））・ｒR □ = (V 2 / (W / S)) · r
【００１８】この式に、電気自動車における本発明の典
型的な実施態様として、Ｗ＝２８８Ｖ、Ｓ＝０．９ｍ
2 、ｒ＝２、Ｗ＝４００Ｗ／ｍ2 を想定し、電気自動車
で要求される合わせガラスのシート抵抗値を求めるとＲ
□＝３７３Ω／□となる。また、必要な発熱量を７００
Ｗ／ｍ2 として他の条件が同じ場合には２１３Ω／□と
なる。以上より、電気自動車用合わせガラスにおいて
は、通常、２００〜４００Ω／□程度の面積抵抗値を有
する透明導電膜が必要とされることがわかる。In this formula, as a typical embodiment of the present invention in an electric vehicle, W = 288V, S = 0.9 m
Assuming 2 , r = 2 and W = 400 W / m 2 , the sheet resistance of laminated glass required for electric vehicles is calculated as R
□ = 373Ω / □. In addition, the required calorific value is 700
When W / m 2 is the same under other conditions, it becomes 213 Ω / □. From the above, it is understood that a laminated conductive glass for an electric vehicle usually requires a transparent conductive film having a sheet resistance value of about 200 to 400 Ω / □.
【００１９】図１は、本発明の一実施例の合わせガラス
の断面図である。この合わせガラス構造は、一方のガラ
スの表面両端部に形成された一対のバスバー電極１６
と、このバスバー電極とガラス板の表面上に形成された
透明導電膜１３と、その透明導電膜１３上に形成された
抵抗値安定化膜１４と、この抵抗値安定化膜と他方のガ
ラス板１５との間に介在するプラスチック中間膜１２と
から構成されている。FIG. 1 is a sectional view of a laminated glass according to an embodiment of the present invention. This laminated glass structure has a pair of bus bar electrodes 16 formed on both ends of the surface of one glass.
A transparent conductive film 13 formed on the surfaces of the bus bar electrode and the glass plate, a resistance stabilization film 14 formed on the transparent conductive film 13, the resistance stabilization film and the other glass plate. 15 and a plastic intermediate film 12 interposed between them.
【００２０】本発明の別実施例の合わせガラスの断面図
を図２に示す。この合わせガラスは、抵抗値安定化膜が
層２４と層２７の２層から構成されている。FIG. 2 shows a sectional view of a laminated glass according to another embodiment of the present invention. In this laminated glass, the resistance value stabilizing film is composed of two layers 24 and 27.
【００２１】（実施例１〜８、比較例１、２）インライ
ン型ＤＣマグネトロンスパッタ装置を用い、平面図が図
３のようになるＡｇからなるバスバー電極３６付きソー
ダライムガラス（１００ｍｍ□）基板上に表１記載の単
層膜または多層膜を形成し、この多層膜付きガラスを用
いて、図１のような構造の合わせガラスに加工した。
尚、中間膜としては、水分を含むＰＶＢを使用した。(Examples 1 to 8 and Comparative Examples 1 and 2) On a soda lime glass (100 mm □) substrate with a bus bar electrode 36 made of Ag having a plan view as shown in FIG. 3, using an in-line type DC magnetron sputtering apparatus. A single-layer film or a multi-layer film shown in Table 1 was formed, and the glass with the multi-layer film was used to process a laminated glass having a structure as shown in FIG.
As the intermediate film, PVB containing water was used.
【００２２】これらの合わせガラスに対して、ＵＶ照射
試験、耐熱（１００℃）試験の各耐久性試験を各々５０
０時間実施し、各試験前後で電極間の抵抗値を測定し
た。抵抗値変化を表１に示す。各試験実施前後の抵抗値
変化は、抵抗値安定化膜を形成すると相対的に抑制さ
れ、特に、抵抗値安定化膜としてＣｒを含む膜を使用し
た実施例１〜４において効果的に抑制されていることが
わかる。Each of these laminated glasses was subjected to 50 durability tests such as a UV irradiation test and a heat resistance (100 ° C.) test.
The test was performed for 0 hours, and the resistance value between the electrodes was measured before and after each test. Table 1 shows the change in resistance value. The resistance value change before and after each test is relatively suppressed when the resistance value stabilizing film is formed, and particularly effectively suppressed in Examples 1 to 4 using the film containing Cr as the resistance value stabilizing film. You can see that
【００２３】[0023]
【表１】 [Table 1]
【００２４】（実施例９〜１６）インライン型ＤＣマグ
ネトロンスパッタ装置を用い、図３の記載の平面構造の
Ａｇのバスバー電極３６付きソーダライムガラス（１０
０ｍｍ□）基板上に表２記載の各積層構造の多層膜を形
成し、この多層膜付きガラスを用いて図２記載の構造の
合わせガラスに加工した。尚、中間膜として、水分を含
むＰＶＢ（ポリビニル ブチラール）を使用した。これ
らの合わせガラスに対して、ＵＶ照射試験、耐熱（１０
０℃）試験の各耐久性試験を各々５００時間実施し、各
試験前後で電極間の抵抗値を測定し、抵抗値変化を表２
に示した。各試験実施前後の抵抗値変化は、抵抗値安定
化膜を２層構造にするとさらに効果的に抑制されている
ことがわかる。(Examples 9 to 16) Using an in-line type DC magnetron sputtering device, soda lime glass (10) with a bus bar electrode 36 of Ag having a planar structure shown in FIG.
0 mm square), a multilayer film of each laminated structure shown in Table 2 was formed on the substrate, and this laminated glass was used to process a laminated glass having the structure shown in FIG. As the intermediate film, PVB (polyvinyl butyral) containing water was used. UV irradiation test, heat resistance (10
Each durability test of 0 ° C.) test is carried out for 500 hours, and the resistance value between the electrodes is measured before and after each test, and the change in resistance value is shown in Table 2.
It was shown to. It can be seen that the resistance value change before and after each test is more effectively suppressed when the resistance value stabilizing film has a two-layer structure.
【００２５】[0025]
【表２】 [Table 2]
【００２６】尚、表２中、ＳＵＳはステンレス合金の意
である。In Table 2, SUS means stainless steel alloy.
【００２７】[0027]
【発明の効果】本発明によれば、透明導電膜（具体的に
はＩＴＯ、ＳｂやＦ等をドープしたＳｎＯ2 、Ａｌ等を
ドープしたＺｎＯ等）の紫外光または熱による抵抗値変
化を抑制することができるため、特に、電気自動車等の
高電圧電源で駆動する車両の通電加熱タイプの防曇ガラ
スとして使用する場合には、長期間にわたり安定した発
熱特性を得ることができる。According to the present invention, the resistance change of a transparent conductive film (specifically, ITO, SnO 2 doped with Sb, F, etc., ZnO doped with Al, etc.) due to ultraviolet light or heat is suppressed. Therefore, particularly when it is used as an electrically heated anti-fog glass of a vehicle driven by a high voltage power source such as an electric vehicle, stable heat generation characteristics can be obtained for a long period of time.
【００２８】また、透明導電膜の膜厚に面内分布が存在
し、この面内膜厚分布に起因する色ムラが認められる場
合、抵抗値安定化膜を面内に均一に介在させることによ
り色ムラを目立ち難くする効果を有する。特に、上述の
実施例のように、スパッタリング法で成膜を行った場合
には、色ムラを目立ちにくくする効果が顕著に認められ
る。Further, when there is an in-plane distribution in the film thickness of the transparent conductive film and color unevenness due to this in-plane film thickness distribution is recognized, it is possible to interpose the resistance value stabilizing film uniformly in the surface. It has the effect of making color unevenness inconspicuous. In particular, when the film is formed by the sputtering method as in the above-described embodiment, the effect of making the color unevenness less noticeable is noticeable.
【図１】本発明に係る合わせガラス構造の一例の模式的
断面図である。FIG. 1 is a schematic cross-sectional view of an example of a laminated glass structure according to the present invention.
【図２】本発明に係る合わせガラス構造の一例の模式的
断面図である。FIG. 2 is a schematic cross-sectional view of an example of a laminated glass structure according to the present invention.
【図３】本発明に係る合わせガラス構造に使用するＡｇ
バスバー電極付きガラスの模式的平面図である。FIG. 3 Ag used in a laminated glass structure according to the present invention
It is a schematic plan view of glass with a bus bar electrode.
１１、１５、２１、２５；板ガラス、１２、２２；中間
膜、１３、２３；透明導電膜、１４、２４、２７；抵抗
値安定化膜、１６、２６；銀バスバー、１７、２８；ガ
ラス接合面11, 15, 21, 25; plate glass, 12, 22; intermediate film, 13, 23; transparent conductive film, 14, 24, 27; resistance stabilizing film, 16, 26; silver bus bar, 17, 28; glass bonding surface
Claims (3)
板相互の接合面に配置されるプラスチック中間膜とから
なり、これらのガラス板の少なくとも１枚の前記接合面
には、透明導電膜及び少なくとも１対のバスバー電極を
形成した合わせガラス構造において、 前記透明導電膜と前記プラスチック中間膜との間には、
この透明導電膜の面積抵抗値の変化を抑制する金属また
は金属もしくは珪素の酸化物からなる１層または２層以
上の抵抗値安定化膜を介在させたことを特徴とする合わ
せガラス構造。1. A transparent conductive film is formed on at least one bonding surface of at least one of these glass plates, which comprises two or more glass plates and a plastic intermediate film disposed on the bonding surface between these glass plates. And a laminated glass structure in which at least one pair of bus bar electrodes is formed, between the transparent conductive film and the plastic intermediate film,
A laminated glass structure characterized by interposing one or more resistance value stabilizing films made of a metal or an oxide of metal or silicon for suppressing the change of the sheet resistance of the transparent conductive film.
は酸化亜鉛を主成分とすることを特徴とする請求項１記
載の合わせガラス構造。2. The laminated glass structure according to claim 1, wherein the transparent conductive film contains ITO, tin oxide or zinc oxide as a main component.
層は、Ｃｒ、Ｃｒの酸化物またはＣｒを含む合金の酸化
物を主成分とすることを特徴とする請求項１または２に
記載の合わせガラス構造。3. At least one of the resistance value stabilizing films
The laminated glass structure according to claim 1 or 2, wherein the layer is mainly composed of Cr, an oxide of Cr, or an oxide of an alloy containing Cr.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2427895A JPH08217499A (en) | 1995-02-13 | 1995-02-13 | Safety glass structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2427895A JPH08217499A (en) | 1995-02-13 | 1995-02-13 | Safety glass structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08217499A true JPH08217499A (en) | 1996-08-27 |
Family
ID=12133735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2427895A Pending JPH08217499A (en) | 1995-02-13 | 1995-02-13 | Safety glass structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08217499A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014525113A (en) * | 2011-06-07 | 2014-09-25 | サン−ゴバン グラス フランス | Heating element having a thin film |
| CN108349803A (en) * | 2016-03-31 | 2018-07-31 | 积水化学工业株式会社 | Intermediate film for laminated glasses, laminated glass and laminated glass system |
-
1995
- 1995-02-13 JP JP2427895A patent/JPH08217499A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014525113A (en) * | 2011-06-07 | 2014-09-25 | サン−ゴバン グラス フランス | Heating element having a thin film |
| US10237919B2 (en) | 2011-06-07 | 2019-03-19 | Saint-Gobain Glass France | Film-type heating element |
| CN108349803A (en) * | 2016-03-31 | 2018-07-31 | 积水化学工业株式会社 | Intermediate film for laminated glasses, laminated glass and laminated glass system |
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