JPH0529869Y2 - - Google Patents
Info
- Publication number
- JPH0529869Y2 JPH0529869Y2 JP1987107141U JP10714187U JPH0529869Y2 JP H0529869 Y2 JPH0529869 Y2 JP H0529869Y2 JP 1987107141 U JP1987107141 U JP 1987107141U JP 10714187 U JP10714187 U JP 10714187U JP H0529869 Y2 JPH0529869 Y2 JP H0529869Y2
- Authority
- JP
- Japan
- Prior art keywords
- rear window
- window
- side rear
- vehicle
- range
- 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
- 239000000178 monomer Substances 0.000 claims description 8
- 239000011342 resin composition Substances 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 description 14
- 229920003023 plastic Polymers 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- AMBJXYFIMKHOQE-UHFFFAOYSA-N 2-(2,4,6-tribromophenoxy)ethyl prop-2-enoate Chemical compound BrC1=CC(Br)=C(OCCOC(=O)C=C)C(Br)=C1 AMBJXYFIMKHOQE-UHFFFAOYSA-N 0.000 description 1
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- -1 benzyl dimethyl ketal Chemical compound 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 1
- 239000005329 float glass Substances 0.000 description 1
- 239000005338 frosted glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000000113 methacrylic resin Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 239000006120 scratch resistant coating Substances 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Laminated Bodies (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、自動車の窓に関するものである。[Detailed explanation of the idea] [Industrial application field] The present invention relates to automobile windows.
本考案は、自動車のリア、サイドまたは天井の
窓としてフイルムに対して所定の角度範囲内にあ
る入射光のみを選択的に散乱し、それ以外の角度
の入射光は透過するという機能を有する光制御フ
イルムをガラスまたは透明プラスチツク表面、或
はガラスまたは透明プラスチツクとの間に被着さ
せた積層体を用いることにより、所定の角度範囲
内の方向からは、車内をのぞき込まれないように
または太陽光線が直接透過しないように、したも
のである。
This invention has the function of selectively scattering only incident light within a predetermined angle range with respect to the film as a rear, side, or ceiling window of a car, and transmitting incident light at other angles. By using a laminate in which a control film is attached to the surface of glass or transparent plastic, or between glass or transparent plastic, it is possible to prevent people from looking into the interior of the vehicle from within a predetermined angle range, or to prevent sunlight from looking into the vehicle from directions within a predetermined angle range. It is designed to prevent light from directly passing through it.
従来の自動車側後窓は、どの角度からみても透
明なものが使用されているため、車外からのぞき
込まれないように、または太陽光線が直接透過し
ないようにするために窓の内側にルーバー、カー
テン、カラーフイルム等が取りつけられていた。
Conventional car side rear windows are transparent from any angle, so louvers are installed on the inside of the window to prevent people from looking in from outside the car or to prevent sunlight from directly passing through. Curtains, color film, etc. were installed.
しかしながら、上記のような透明な窓にルーバ
ーや、カーテン等を取り付けると運転者の視界を
妨げるという問題点がある。
However, there is a problem in that when louvers, curtains, etc. are attached to the transparent window as described above, it obstructs the driver's view.
本考案は、従来の窓における上述のような問題
点に着目し、窓の内側にルーバーやカーテン等を
取り付けなくても、所定の角度範囲内の方向例え
ば、本考案の光制御フイルムが上記のように自動
車側後窓として使用される際に例えば水平から測
定して20〜90°の範囲以内の方向からは車内をの
ぞき込まれずに、または太陽光線が直接透過せず
に、かつ運転者の視界を妨げないような自動車側
後窓を提案するものである。 The present invention focuses on the above-mentioned problems with conventional windows, and the light control film of the present invention can be For example, when used as a rear window on a car side, it is difficult to look into the car from a direction within a range of 20 to 90 degrees measured from the horizontal, and the sun's rays cannot directly pass through, and the driver's This project proposes a rear window on the car side that does not obstruct visibility.
すなわち本考案の自動車側後窓は、それぞれ屈
折率に差がある光重合性オリゴマーと光重合性モ
ノマーまたは光重合性モノマー同士から成る樹脂
組成物の膜に所定の角度から紫外線を照射し硬化
させることにより得られる光制御フイルムであつ
て、所定の角度範囲内にある入射光のみを選択的
に散乱し、それ以外の角度の入射光は直進透過し
て透視可能である光制御フイルムを透明板表面に
被着させ、または複数の透明板の間に介挿させた
窓材を装着してなるものである。
In other words, the car side rear window of the present invention is made by irradiating ultraviolet rays from a predetermined angle onto a film of a resin composition made of a photopolymerizable oligomer and a photopolymerizable monomer or photopolymerizable monomers each having a different refractive index and curing the film. A light control film obtained by selectively scattering only incident light within a predetermined angle range, and allowing incident light at other angles to pass straight through and be seen through, is attached to a transparent plate. It consists of a window material attached to the surface or inserted between a plurality of transparent plates.
上記所定の角度範囲は、前記側後窓がリアウイ
ンドウである場合には、水平から測定して車外か
ら車内に向かつて下向きに20〜90°の範囲以内に
あることが好ましい。また上記所定の角度範囲
は、前記側後窓がサンルーフである場合には、窓
に対して車の長さ方向にほぼ平行な鉛直面から両
側の方向に各々30−90°の範囲以内にあることが
好ましい。更に上記所定の角度範囲は、前記側後
窓はサイド窓である場合には、窓に対して垂直な
鉛直面から左右の方向に測定して各々20°以内の
範囲以内にあることが好ましい。 When the side rear window is a rear window, the predetermined angle range is preferably within a range of 20 to 90 degrees downward from the outside of the vehicle toward the inside of the vehicle, as measured from the horizontal. In addition, if the side rear window is a sunroof, the predetermined angle range is within a range of 30-90 degrees on both sides from a vertical plane that is approximately parallel to the vehicle length direction with respect to the window. It is preferable. Further, when the side rear window is a side window, the predetermined angle range is preferably within a range of 20° or less when measured in the left and right directions from a vertical plane perpendicular to the window.
また、本考案で使用される光制御フイルムはそ
れぞれ屈折率に差があるオリゴマーとモノマーま
たはモノマー同士からなる樹脂組成物を硬化させ
ることにより得られ、好ましくはそれぞれ屈折率
に差がある光重合性オリゴマーと光重合性モノマ
ーまたは光重合性モノマー同士とから成る樹脂組
成物に紫外線を照射し硬化させることにより得ら
れるが、角度依存性については紫外線の照射角度
樹脂組成物の屈折率差等によつて決定される。 In addition, the light control film used in the present invention is obtained by curing a resin composition consisting of an oligomer and a monomer, or monomers each having a difference in refractive index, and is preferably a photopolymerizable film having a difference in refractive index. It can be obtained by curing a resin composition consisting of an oligomer and a photopolymerizable monomer or photopolymerizable monomers together by irradiating it with ultraviolet rays. will be determined.
尚、本考案で使用される光制御フイルムの膜厚
は20〜2000μmである。この光制御フイルムの製
造方法は先に本考案者等による特許出願公開公
報、特開平１−77001号「光制御板およびその製
造方法」、および同公報、特開昭63−309902号
「光制御板およびその製造方法」に記載されてい
る。 The thickness of the light control film used in the present invention is 20 to 2000 μm. The manufacturing method of this light control film was previously described in the patent application publication published by the present inventors, JP-A No. 1-77001 "Light control board and its manufacturing method", and the same publication, JP-A No. 63-309902 "Light control board". Board and method for manufacturing the same".
更に、本考案で使用される透明プラスチツク板
は、透明なものなら特に限定されず、どのような
ものでも使用できる。好適に使用されるものとし
て、ポリカーボネート樹脂、アクリル樹脂、メタ
クリル樹脂またはポリスチレン樹脂等が挙げられ
る。また、本考案で使用されるガラス板は、自動
車用に用いられているフロートガラスが使用でき
る。 Further, the transparent plastic plate used in the present invention is not particularly limited as long as it is transparent, and any transparent plastic plate can be used. Suitable examples include polycarbonate resin, acrylic resin, methacrylic resin, and polystyrene resin. Further, as the glass plate used in the present invention, float glass used for automobiles can be used.
また本考案で、上記光制御フイルムと透明プラ
スチツク或はガラス板のような透明板とを被着さ
せる方法は特に限定されず、公知の方法が使用で
きる。例えば、第３図に示すようにガラス板また
は透明プラスチツク板２の表面に光制御フイルム
１を被着させてもよく、第４図に示すようにガラ
ス板または透明プラスチツク板２，２′の間に光
制御フイルム１を挟んでもよく、また第５図に示
すように、ガラス板２，２′の間に光制御フイル
ム１を挟み、ガラス板の外側表面に更にプラスチ
ツク板３を接着してもよい。プラスチツク板の外
側表面には耐擦傷性被覆を施す事が好ましい。 Further, in the present invention, the method of attaching the light control film and the transparent plate such as transparent plastic or glass plate is not particularly limited, and any known method can be used. For example, as shown in FIG. 3, the light control film 1 may be applied to the surface of a glass plate or transparent plastic plate 2, and as shown in FIG. Alternatively, as shown in FIG. 5, the light control film 1 may be sandwiched between the glass plates 2 and 2', and a plastic plate 3 may be further bonded to the outer surface of the glass plate. good. Preferably, the outer surface of the plastic board is provided with a scratch-resistant coating.
本考案による自動車側後窓は、運転者の視界を
全く妨げることなく、車外の所定の角度範囲の方
向からは車内をのぞき込まれることがない。
The vehicle side rear window according to the present invention does not obstruct the driver's field of view at all, and prevents people from looking into the interior of the vehicle from directions within a predetermined angle range outside the vehicle.
次に、本考案の実施例を図面にて説明する。 Next, embodiments of the present invention will be described with reference to the drawings.
平均分子量2000のポリプロピレングリコールと
トルエンジイソシアネート及び２−ヒドロキシエ
チルアクリレートの反応によつて得たポリエーテ
ルウレタンアクリレート（屈折率1.481）100部に
対してトリブロモフエノキシエチルアクリレート
（屈折率1.567）100部及びベンジルジメチルケタ
ール６部を添加混合した樹脂組成物を、水平に置
いた60cmX120cmのガラス板の上に約300ミクロン
の厚みに塗布する。ガラス板の上方50cmの距離で
ガラス板の長手方向に平行に立てた垂直面から一
方の方向に50度傾斜した角度で１本の棒状の高圧
水銀ランプ（80W／cm，2kw、直径約２cm、発光
長25cm、ウシオ電気製）を水平にかつガラス板長
手方向にほぼ平行に設置し、紫外線を、１分間照
射して硬化フイルムを得た。ガラス板上で硬化し
たこのフイルムをガラス板からはぎ取る。それぞ
れ60cmX120cmのガラス板２枚、ポリビニールブ
チラール膜（PVB）２枚を用意し、ガラス板、
PVB、硬化フイルム、PVB、ガラス板の順に積
層し、公知の方法で加熱加圧して、一体化された
硬化シートを得る。 100 parts of tribromophenoxyethyl acrylate (refractive index 1.567) per 100 parts of polyether urethane acrylate (refractive index 1.481) obtained by the reaction of polypropylene glycol with an average molecular weight of 2000, toluene diisocyanate and 2-hydroxyethyl acrylate. A resin composition prepared by adding and mixing 6 parts of benzyl dimethyl ketal is applied to a thickness of about 300 microns on a horizontally placed glass plate measuring 60 cm x 120 cm. A rod-shaped high-pressure mercury lamp (80W/cm, 2kw, approximately 2cm in diameter, A glass plate (light emitting length: 25 cm, manufactured by Ushio Electric) was placed horizontally and approximately parallel to the longitudinal direction of the glass plate, and ultraviolet rays were irradiated for 1 minute to obtain a cured film. This film cured on the glass plate is peeled off from the glass plate. Prepare two glass plates and two polyvinyl butyral films (PVB) each measuring 60cm x 120cm.
PVB, cured film, PVB, and glass plate are laminated in this order and heated and pressed using a known method to obtain an integrated cured sheet.
得られた硬化シートは、前記垂直面から前記一
方の方向に20〜80度の角度範囲の傾斜位置から見
ると白濁しており、それ以外の角度から見ると透
明であつた。第６図にこの硬化シートについての
濁度の測定結果を示す。 The obtained cured sheet was cloudy when viewed from an inclined position within an angle range of 20 to 80 degrees in the one direction from the vertical plane, and was transparent when viewed from other angles. FIG. 6 shows the turbidity measurement results for this cured sheet.
第１図は本考案の自動車側後窓が乗用車のリヤ
ガラスに使用されている状況を示す。即ち、後続
の大型車の運転者の方向からはリヤガラスがスリ
ガラスに見えるので、乗用車の中を覗くことはで
きない。しかし、乗用車の運転者はバツクミラー
により、後続の大型車を視認することはできる。
第２図Ａは本考案によるリヤガラスが使用される
際に、車外（図面の右側）から下向きに水平に対
して20°以下の入射角例えば20°および10°を有する
光線がそのまま透過する状態を示す。第２図Ｂは
上記リヤガラスが使用される際に、同じく30°以
上の入射角例えば45°および60°を有する光線が散
乱される状態を示す。 Figure 1 shows the situation where the automobile side rear window of this invention is used as the rear window of a passenger car. That is, the rear window looks like frosted glass from the direction of the driver of the following large vehicle, so the driver of the passenger car cannot see inside the passenger car. However, the driver of the passenger car can see the following large vehicle by using the rearview mirror.
Fig. 2A shows the state where light rays having an incident angle of 20° or less, for example 20° and 10°, downward from the outside of the vehicle (right side of the drawing) to the horizontal are transmitted as they are when the rear window of the present invention is used. Fig. 2B shows the state where light rays having an incident angle of 30° or more, for example 45° and 60°, are scattered when the rear window of the present invention is used.
第１図に本考案の自動車側後窓が使用されてい
る状況を示す側面図、第２図はその光線透過状態
を示す図である。また、第３図から第５図までは
本考案の自動車側後窓の断面図である。更に、第
６図には上記フイルムの角度依存性特性図の一つ
の具体例を示すグラフである。
符号の説明、ａ……乗用車、ｂ……大型車、ｃ
……バツクミラー、○……見える、Ｘ……見えな
い。
FIG. 1 is a side view showing the vehicle side rear window of the present invention in use, and FIG. 2 is a diagram showing its light transmission state. Moreover, FIGS. 3 to 5 are cross-sectional views of the automobile side rear window of the present invention. Furthermore, FIG. 6 is a graph showing one specific example of the angle dependence characteristic diagram of the film. Explanation of symbols, a...Passenger car, b...Large car, c
...Back mirror, ○...I can see it, X...I can't see it.
Claims (1)
ーと光重合性モノマーまたは光重合性モノマー
同士から成る樹脂組成物の膜に所定の角度から
紫外線を照射し硬化させることにより得られる
光制御フイルムであつて、所定の角度範囲内に
ある入射光のみを選択的に散乱し、それ以外の
角度の入射光は直進透過して透視可能である光
制御フイルムを透明板表面に被着させ、または
複数の透明板の間に介挿させた窓材を装着して
なる自動車側後窓。 (2) 前記側後窓がリアウインドウであり、上記所
定の角度範囲は、水平から測定して車外から車
内に向かつて下向きに20〜90.の範囲以内にあ
る実用新案登録請求の範囲第１項記載の自動車
側後窓。 (3) 前記側後窓がサンルーフであり、上記所定の
角度範囲は、窓に対して車の長さ方向にほぼ平
行な鉛直面から両側の方向に各々30〜90.の範
囲以内にある実用新案登録請求の範囲第１項記
載の自動車側後窓。 (4) 前記側後窓はサイド窓であり、上記所定の角
度範囲は、窓に対して垂直な鉛直面から左右の
方向に測定して各々20.以内の範囲以内にある
実用新案登録請求の範囲第１項記載の自動車側
後窓。[Claims for Utility Model Registration] (1) A film of a resin composition consisting of a photopolymerizable oligomer and a photopolymerizable monomer, or photopolymerizable monomers each having a different refractive index, is cured by irradiating ultraviolet rays from a predetermined angle. This is a light control film obtained by making a light control film transparent, which selectively scatters only incident light within a predetermined angle range, and allows incident light at other angles to pass straight through and be seen through. An automobile side rear window that is made of a window material that is attached to the surface of a plate or inserted between a plurality of transparent plates. (2) The side rear window is a rear window, and the predetermined angular range is within a range of 20 to 90 degrees downward from the outside of the vehicle toward the inside of the vehicle, as measured from the horizontal. Vehicle side rear window as described in section. (3) The side rear window is a sunroof, and the predetermined angle range is within a range of 30 to 90 degrees in each direction from a vertical plane substantially parallel to the length direction of the vehicle with respect to the window. An automobile side rear window according to claim 1 of the patent registration claim. (4) The side rear window is a side window, and the above-mentioned prescribed angular range is within 20 degrees of the left and right directions from the vertical plane perpendicular to the window. Vehicle side rear window as described in scope 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987107141U JPH0529869Y2 (en) | 1987-07-13 | 1987-07-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987107141U JPH0529869Y2 (en) | 1987-07-13 | 1987-07-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6411722U JPS6411722U (en) | 1989-01-23 |
| JPH0529869Y2 true JPH0529869Y2 (en) | 1993-07-30 |
Family
ID=31341285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987107141U Expired - Lifetime JPH0529869Y2 (en) | 1987-07-13 | 1987-07-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0529869Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5334880A (en) * | 1977-09-19 | 1978-03-31 | Toyobo Co Ltd | Laminate consisting of polarized film and glass |
| JPS5949501A (en) * | 1982-09-16 | 1984-03-22 | Toray Ind Inc | Transparent material having antireflection film |
| JPS617538B2 (en) * | 1975-06-23 | 1986-03-07 | Dba Sa | |
| JPS62130845A (en) * | 1985-12-03 | 1987-06-13 | 旭化成株式会社 | Sheet for sticking plate glass |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0711143Y2 (en) * | 1984-06-18 | 1995-03-15 | 鹿島建設株式会社 | Building window glass |
-
1987
- 1987-07-13 JP JP1987107141U patent/JPH0529869Y2/ja not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS617538B2 (en) * | 1975-06-23 | 1986-03-07 | Dba Sa | |
| JPS5334880A (en) * | 1977-09-19 | 1978-03-31 | Toyobo Co Ltd | Laminate consisting of polarized film and glass |
| JPS5949501A (en) * | 1982-09-16 | 1984-03-22 | Toray Ind Inc | Transparent material having antireflection film |
| JPS62130845A (en) * | 1985-12-03 | 1987-06-13 | 旭化成株式会社 | Sheet for sticking plate glass |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6411722U (en) | 1989-01-23 |
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