JPH0247627A - Automatic light controller - Google Patents
Automatic light controllerInfo
- Publication number
- JPH0247627A JPH0247627A JP63198437A JP19843788A JPH0247627A JP H0247627 A JPH0247627 A JP H0247627A JP 63198437 A JP63198437 A JP 63198437A JP 19843788 A JP19843788 A JP 19843788A JP H0247627 A JPH0247627 A JP H0247627A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- conductive film
- solar battery
- transparent
- solar cell
- 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
- 239000000758 substrate Substances 0.000 claims abstract description 47
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 45
- 238000002834 transmittance Methods 0.000 claims description 9
- 239000011521 glass Substances 0.000 abstract description 33
- 125000006850 spacer group Chemical group 0.000 abstract description 10
- 238000007789 sealing Methods 0.000 abstract description 6
- 229910052581 Si3N4 Inorganic materials 0.000 abstract description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 abstract description 5
- 239000004988 Nematic liquid crystal Substances 0.000 abstract description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 239000005357 flat glass Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application 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
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
- G02F1/13324—Circuits comprising solar cells
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、光の強さの変化にともない、自動的に光透過
率を変化させる自動調光装置に関するものであり、特に
建物の天窓や自動車のサンルーフに使用される自動調光
装置に関するものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an automatic light control device that automatically changes light transmittance as the intensity of light changes, and is particularly applicable to skylights and skylights of buildings. This invention relates to an automatic light control device used in automobile sunroofs.
従来、建物や自動車の窓ガラスを介しての室内への日射
量の調光は、ブラインドやカーテンによって行なわれて
きた。さらにまた、最近では日射量の調光を自動的に行
なわしめるべく、液晶を使用することが提案されている
。Conventionally, the amount of sunlight entering a room through the window glass of a building or automobile has been controlled by using blinds or curtains. Furthermore, recently it has been proposed to use liquid crystals to automatically adjust the amount of solar radiation.
このような液晶を使用する場合には、特開昭６２−１１
５４１６号公報に開示されるように液晶の電源に太陽電
池を用いることによって日射量が強くなることに従かい
太陽電池の起電力を高め、液晶を作動させるような太陽
電池を光センサとして用いる方法がある。When using such a liquid crystal, the
As disclosed in Publication No. 5416, a method of using a solar cell as a light sensor as a power source for a liquid crystal, increasing the electromotive force of the solar cell as the amount of solar radiation increases and operating the liquid crystal. There is.
しかし従来の太陽電池によって液晶を作動させる自動調
光装置では、太陽電池の設置場所とじて窓ガラスの枠ま
たは周囲、さらにはガラス上に設置していたが、そのよ
うな太陽電池の設置方法では外観が良好とはいえず、さ
らには太陽電池の設置スペースが必要であった。However, in conventional automatic light control devices that operate the LCD using solar cells, the solar cells are installed in or around the window glass frame, or even on the glass; It did not have a good appearance, and furthermore, it required space to install the solar cells.
そこで本発明は太陽電池による外観悪化、およびスペー
ス不足のない自動調光装置を提供するものである。Therefore, the present invention provides an automatic light control device that does not cause deterioration in appearance due to solar cells and does not lack space.
そこで本発明では、一方の面に第１の透明導電膜が形成
された第１の透光性基板と、
一方の面に第２の透明導電膜が形成された第２の透光性
基板と、
第１の透明導電膜と一方の電極とが電気的に接続され、
第２の透明導電膜と他方の電極と電気的に接続され、か
つ少なくとも第１の透光性基板の一方の面と第２の透光
性基板の一方の面とによって液晶とともに封入される太
陽電池とからなる自動調光装置を提供するものである。Therefore, in the present invention, a first transparent substrate with a first transparent conductive film formed on one surface, and a second transparent substrate with a second transparent conductive film formed on one surface. , the first transparent conductive film and one electrode are electrically connected,
A solar panel electrically connected to the second transparent conductive film and the other electrode and encapsulated together with the liquid crystal by at least one surface of the first transparent substrate and one surface of the second transparent substrate. The present invention provides an automatic light control device comprising a battery.
上記手段を用いることより、第１の透光性基板と第２の
透光性基板とによって液晶とともに太陽電池を封入した
ので、太陽電池自体の存在の確認を困難とすることによ
って外観も良好とし、さらに太陽電池の必要なスペース
を設けなくてもよくすることができるため、太陽電池に
よるスペースの確保を必要としなくなった。By using the above method, the solar cell is encapsulated together with the liquid crystal by the first transparent substrate and the second transparent substrate, which makes it difficult to confirm the presence of the solar cell itself, resulting in a good appearance. Furthermore, since it is not necessary to provide the necessary space for solar cells, it is no longer necessary to secure space for solar cells.
（第１実施例）
第１図は自動調光装置の一例である自動車のサンルーフ
等に用いられる自動調光窓の断面図を示す。(First Embodiment) FIG. 1 shows a sectional view of an automatic light control window used in an automobile sunroof, which is an example of an automatic light control device.
第１の透光性基板である第１ガラス基板１の一方の面に
は１８０ｎｍのＩＴＯおよび２０ｎｍのＳｎＯ。180 nm of ITO and 20 nm of SnO are deposited on one surface of the first glass substrate 1, which is a first transparent substrate.
よりなる第１透明導電膜２がほぼ全面に形成されている
。この第１透明導電膜２の所定の場所には太陽電池部３
がプラズマＣＶＤ法およびバターニング等により形成さ
れ、窒化珪素膜４．スペーサ５を介して第２の透光性基
板である第２ガラス基板１０の一方の面に形成された第
２導電膜１１と接している。また太陽電池部３は、第２
図に示す如く複数の太陽電池３０が金属電極１２ａによ
って直列に接続されており、太陽電池部３の一方の電極
である正極は第１透明導電膜２に、また他方の電極であ
る負極は第３図の如く金属電極１２ｂから導電性ペース
ト１４を介して第２透明導電膜１１に電気的に接続され
ている。そして、太陽電池部３は、第１ガラス基板１．
第２ガラス基板１０および封止部２０によってツィステ
ッドネマチック液晶（ＴＮ液晶）２１とともに封入され
ている。さらに、第１ガラス基板１および第２ガラス基
板１０のそれぞれの他方の面には偏光板２２゜２３が設
けられている。A first transparent conductive film 2 consisting of the following is formed on almost the entire surface. A solar cell section 3 is provided at a predetermined location of the first transparent conductive film 2.
is formed by plasma CVD method, buttering, etc., and the silicon nitride film 4. It is in contact with a second conductive film 11 formed on one surface of a second glass substrate 10, which is a second transparent substrate, via a spacer 5. In addition, the solar cell section 3
As shown in the figure, a plurality of solar cells 30 are connected in series by metal electrodes 12a, one positive electrode of the solar cell part 3 is connected to the first transparent conductive film 2, and the other electrode, the negative electrode, is connected to the first transparent conductive film 2. As shown in FIG. 3, the metal electrode 12b is electrically connected to the second transparent conductive film 11 via the conductive paste 14. The solar cell section 3 includes the first glass substrate 1.
It is sealed together with twisted nematic liquid crystal (TN liquid crystal) 21 by the second glass substrate 10 and the sealing part 20 . Further, polarizing plates 22 and 23 are provided on the other surface of each of the first glass substrate 1 and the second glass substrate 10.
第４図は第１実施例に採用する非透光性太陽電池３０の
構造図である。太陽電池３０は第１ガラス基板１上に形
成された透明導電膜２上にプラズマＣＶＤ法によってｐ
型非晶質炭化珪素層（ｐａ−３ｉＣ）３１が１５ｎｍ、
ｉ型非晶質珪素層（ｔ−ａ−３ｉ）３２が４００ｎ１１
１、およびｎ型非晶貿珪素層（ｎ−ａ−３ｉ）３３が２
０ｎｍ、順次積層されている。そして金属電極１２によ
って、複数の太陽電池３０を直列に接続させ太陽電池部
３を構成している。FIG. 4 is a structural diagram of a non-transparent solar cell 30 employed in the first embodiment. The solar cell 30 is formed by a plasma CVD method on a transparent conductive film 2 formed on a first glass substrate 1.
type amorphous silicon carbide layer (pa-3iC) 31 is 15 nm,
The i-type amorphous silicon layer (ta-3i) 32 is 400n11
1, and the n-type amorphous silicon layer (n-a-3i) 33 is 2
0 nm, and are sequentially laminated. A plurality of solar cells 30 are connected in series using the metal electrodes 12 to form the solar cell section 3.
次に第１実施例の自動調光窓の製造方法を説明する。Next, a method of manufacturing the automatic light control window of the first embodiment will be explained.
第１ガラス基板１の一方の面に透明導電膜２を形成した
のち、正極が透明導電膜２に導通された太陽電池部３を
プラズマＣＶＤ法、およびバターニングによって形成す
る。After forming a transparent conductive film 2 on one surface of the first glass substrate 1, a solar cell section 3 having a positive electrode electrically connected to the transparent conductive film 2 is formed by plasma CVD and patterning.
その後、電子ビーム蒸着装置で、金属電極１２を所定の
形状に６００ｎｍ形成し、太陽電池部３の表面の保護膜
である窒化珪素膜４をプラズマＣＶＤで全面に形成しフ
ォトリソグラフィーにより所定の形状にバターニングす
る。さらに、太陽電池部３の上に窒化珪素膜４を介して
エポキシ樹脂よりなるスペーサ５をスクリーン印刷によ
って形成した。Thereafter, a metal electrode 12 with a thickness of 600 nm is formed into a predetermined shape using an electron beam evaporation device, and a silicon nitride film 4, which is a protective film on the surface of the solar cell section 3, is formed on the entire surface using plasma CVD, and then into a predetermined shape using photolithography. Buttering. Furthermore, a spacer 5 made of epoxy resin was formed on the solar cell part 3 via a silicon nitride film 4 by screen printing.
そして第１ガラス基板１の透明導電膜２上および第２ガ
ラス基Ｆｉ１０の透明導電膜１１上に配向剤であるポリ
イミド樹脂をスピンナー塗布によって１１００ｎの膜厚
に形成する。その後、最後に封入する液晶が平行配向す
るように布で表面をラビングした。そして、この第１ガ
ラス基板１．第２ガラス基板１０の周囲にエポキシ樹脂
よりなる封止部２０を図示しない液晶注入孔部を除いて
形成し、第１ガラス基板１．第２ガラス基板１０および
封止部２０よりなる厚さｌＯμｍ程度の空間を形成させ
る。なお、この時あらかじめ太陽電池部３０の頁捲電極
である金属電極１２ｂを導電性ペースト１４を介して透
明導電膜１１に電気的に接続させておく。Then, polyimide resin as an alignment agent is formed to a thickness of 1100 nm on the transparent conductive film 2 of the first glass substrate 1 and the transparent conductive film 11 of the second glass substrate Fi10 by spinner coating. Thereafter, the surface was rubbed with a cloth so that the liquid crystal to be sealed was aligned in parallel. Then, this first glass substrate 1. A sealing part 20 made of epoxy resin is formed around the second glass substrate 10 except for a liquid crystal injection hole part (not shown), and the first glass substrate 1. A space having a thickness of approximately 10 μm is formed by the second glass substrate 10 and the sealing portion 20. Note that at this time, the metal electrode 12b, which is the page-turning electrode of the solar cell section 30, is electrically connected to the transparent conductive film 11 via the conductive paste 14 in advance.
さらに、ガラス基板１の一方の面等によって形成した空
間を充分に真空脱気し、水分、不純物ガス等を取り除い
た後、ＴＮ液晶を図示しない液晶注入孔部から注入し、
空間にＴＮ液晶を充填し液晶部２１を形成する。充填後
注入孔をエポキシ樹脂によって封止する。Furthermore, the space formed by one surface of the glass substrate 1 is sufficiently vacuum degassed to remove moisture, impurity gas, etc., and then TN liquid crystal is injected from a liquid crystal injection hole (not shown).
A liquid crystal section 21 is formed by filling the space with TN liquid crystal. After filling, the injection hole is sealed with epoxy resin.
最後に、ガラス基板１，１０の表面に偏光フィルム２２
，２３を９０°偏光させて接着する。Finally, a polarizing film 22 is placed on the surface of the glass substrates 1 and 10.
, 23 with 90° polarization and bonding.
以上のようにして、２枚のガラス基板の間に、太陽電池
部３とＴＮ型液晶が封入された自動調光窓を得ることか
できる。In the manner described above, it is possible to obtain an automatic light control window in which the solar cell section 3 and the TN type liquid crystal are sealed between two glass substrates.
次に第１実施例の作用を述べる。Next, the operation of the first embodiment will be described.
第１実施例の自動調光窓の第１ガラス基板１から第２ガ
ラス基板１０に入射する光の照度が低い場合、太陽電池
部３による起電力は低く、液晶が作動せず自動調光窓の
光透過率はほとんど変化がない。When the illuminance of the light incident on the second glass substrate 10 from the first glass substrate 1 of the automatic dimming window of the first embodiment is low, the electromotive force by the solar cell section 3 is low, the liquid crystal does not operate, and the automatic dimming window There is almost no change in the light transmittance.
自動調光窓の第１ガラス基板１から第２ガラス基板１０
に入射する光の照度が高くなって（ると太陽電池部３に
よる起電力が上がり、この起電力の上昇に従い、対向電
極としての第１透明導電膜２、第２透明導電膜１１間に
電圧が加わる。この電圧がＴＮ液晶の作動電圧（第１実
施例では４Ｖ）以上になると液晶の配向が徐々に変化し
始め、自動調光窓の光透過率が減少しはじめる。さらに
光の照度が高くなり太陽電池部３によっである電圧（第
１実施例では６Ｖ）に達すると液晶によって光を全く透
過させなくなる。First glass substrate 1 to second glass substrate 10 of automatic light control window
When the illuminance of the light incident on the solar cell section 3 increases (as the electromotive force by the solar cell section 3 increases, and as this electromotive force increases, a voltage increases between the first transparent conductive film 2 and the second transparent conductive film 11 as counter electrodes). is applied.When this voltage exceeds the operating voltage of the TN liquid crystal (4V in the first embodiment), the orientation of the liquid crystal begins to gradually change, and the light transmittance of the automatic dimming window begins to decrease.Furthermore, the illuminance of the light increases. When the voltage becomes high and reaches a certain voltage (6V in the first embodiment) by the solar cell unit 3, the liquid crystal no longer transmits any light.
この第１実施例によって
■従来、問題となっていた太陽電池の取り付スペースの
確保が必要なくなる。This first embodiment eliminates the need to secure mounting space for solar cells, which has been a problem in the past.
■太陽電池を封止する別体の容器が必要なくなる。■No need for a separate container to seal the solar cells.
■液晶板と太陽電池との間の電気的な導通手段が必要な
くなる。■No need for electrical continuity between the liquid crystal panel and the solar cell.
という効果が得られただけでなく、太陽電池部３上にス
ペーサ５を設けたので、第１ガラス基板１と第２ガラス
基Ｆｉ１０とのクリアランスの保持を容易にすることが
できる。In addition to this effect, since the spacer 5 is provided on the solar cell section 3, it is possible to easily maintain the clearance between the first glass substrate 1 and the second glass substrate Fi10.
（第２実施例）
第２実施例では、第１実施例で用いた太陽電池３０の代
りに半透光性太陽電池４０を採用し、他は第１実施例と
同様な構造とした。(Second Example) In the second example, a semi-transparent solar cell 40 was used in place of the solar cell 30 used in the first example, and the other structure was the same as that of the first example.
この半透過性太陽電池４０の構造図を第５図に示す。半
透光性太陽電池４０はガラス基板１に形成された透明導
電膜２を所定の形状にパターニングした後、プラズマＣ
ＶＤ法等によりｐ型非晶質炭化珪素層（ｐ−ａ−３ｉ
Ｃ） ４１を１５ｎｍ、ｉ型非晶質炭化珪素Ｎ （ｉ−
ａ−３ｉＣ）４２を２００ｎａ＋、およびｎ型非晶質珪
素層（ｎ−ａ−３ｉ）４３を２０ｎｍ順次堆積する。そ
してフォトリソグラフィーにより、所定の形状にパター
ニング後第１実施例における金属電極の代りとしての透
明導電膜４５および表面保護膜である窒化珪素膜４を形
成した。A structural diagram of this semi-transparent solar cell 40 is shown in FIG. The semi-transparent solar cell 40 is manufactured by patterning a transparent conductive film 2 formed on a glass substrate 1 into a predetermined shape, and then applying plasma C.
A p-type amorphous silicon carbide layer (p-a-3i
C) 15 nm of 41, i-type amorphous silicon carbide N (i-
A-3iC) 42 of 200 nm and an n-type amorphous silicon layer (na-3i) 43 of 20 nm are sequentially deposited. After patterning into a predetermined shape by photolithography, a transparent conductive film 45 as a substitute for the metal electrode in the first embodiment and a silicon nitride film 4 as a surface protection film were formed.
第２実施例では、第１実施例に採用した非透光性太陽電
池３の代りに、半透光性太陽電池４０を用いたので、第
１実施例によって得られる効果だけでなく太陽電池部分
によってできる非透光性領域をなくすことができた。In the second embodiment, a semi-transparent solar cell 40 was used instead of the non-transparent solar cell 3 employed in the first embodiment, so that not only the effects obtained by the first embodiment but also the solar cell portion We were able to eliminate the non-transparent areas caused by this.
さらに、半透光性太陽電池の上に透明スペーサを設けて
あり、第１実施例のスペーサによる効果の他に半透光性
太陽電池による色ムラのある液晶表示を避けられるばか
りでなく、透明スペーサによって太陽電池上に液晶がま
わりこまないようにすることができた。Furthermore, a transparent spacer is provided on the semi-transparent solar cell, and in addition to the effect of the spacer of the first embodiment, it is possible to avoid not only the liquid crystal display with uneven color caused by the semi-transparent solar cell, but also the transparent spacer. The spacer made it possible to prevent the liquid crystal from wrapping around the solar cells.
（第３実施例）
液晶として第１実施例で採用したＴＮ液晶のかわりにゲ
スト−ホスｌ−（ＯＨ）液晶を使用する。(Third Embodiment) A guest-phos l-(OH) liquid crystal is used as the liquid crystal instead of the TN liquid crystal employed in the first embodiment.
ＯＨ液晶を使用した場合、太陽電池からの印加電圧が液
晶の作動電圧以上になった場合、液晶の配向が変化し、
液晶層が着色し、光透過率を減少させるがＴＮ液晶のよ
うに光を遮断させない。このＯＨ液晶に混合する染料を
選択すれば、日射量の多い時に任意の色に着色すること
が可能となる。When using an OH liquid crystal, if the voltage applied from the solar cell exceeds the operating voltage of the liquid crystal, the orientation of the liquid crystal changes,
The liquid crystal layer is colored and reduces light transmittance, but does not block light like TN liquid crystal. By selecting a dye to be mixed with this OH liquid crystal, it becomes possible to color it in any color when the amount of solar radiation is large.
（第４実施例）
第６図は第４実施例の自動調光装置を示す。本実施例で
は太陽電池６０と液晶部６５をマトリ・ンクス状に分割
し、透明導電膜７０もマトリックス状に分割した構造と
する。おのおのの太陽電池６０の電極と、透明導電膜７
０との接続は前記第１実施例の方法で行なう。(Fourth Embodiment) FIG. 6 shows an automatic light control device of a fourth embodiment. In this embodiment, the solar cell 60 and the liquid crystal section 65 are divided into matrix shapes, and the transparent conductive film 70 is also divided into matrix shapes. Electrodes of each solar cell 60 and transparent conductive film 7
Connection with 0 is performed by the method of the first embodiment.
透明導電膜７０を、マトリックス状に分割することによ
り、自動調光装置のガラス基板１，１０の一部のみに強
い光が照射した場合、光の当たつたガラス基板１．１０
の部分のみが光透過率の変化を起こし、他の部分の光透
過率は変化しない。By dividing the transparent conductive film 70 into a matrix, when only a part of the glass substrates 1 and 10 of the automatic light control device is irradiated with strong light, the glass substrates 1 and 10 that are irradiated with the light are
The light transmittance of only the portion changes, and the light transmittance of the other portions remains unchanged.
すなわち、自動調光窓内で部分的に液晶の配向を変化さ
せることができる。That is, it is possible to partially change the orientation of the liquid crystal within the automatic light control window.
このように、自動調光窓の一部にのみに光が照射された
場合、、その部分のみの光透過率を変化させることは従
来液晶部と太陽電池の設置場所が離れている為不可能で
あった。In this way, if only a part of the automatic dimming window is irradiated with light, it is impossible to change the light transmittance of only that part because the liquid crystal part and the solar cell are conventionally installed far apart. Met.
以上のように、第５実施例を採用することにより、強い
光が照射されている部分の光透過率のみを変化させるこ
とを可能とした。As described above, by employing the fifth embodiment, it is possible to change only the light transmittance of the portion irradiated with strong light.
前記実施例ではガラス基板間に封入した液晶としてＴＮ
液晶、ＯＨ液晶を用いたが、本発明はこれらの液晶に限
られるものではない。In the above embodiment, TN was used as the liquid crystal sealed between the glass substrates.
Although liquid crystal and OH liquid crystal were used, the present invention is not limited to these liquid crystals.
前記実施例では太陽電池と第２の透光性板との間にスペ
ーサを設けたが、このスペーサは設けな（でもよい。In the embodiment described above, a spacer was provided between the solar cell and the second transparent plate, but this spacer may not be provided.
前記半透光性太陽電池を用いた実施例では光の透過方向
は第１の透光性板から第２の透光性板の方向としたが、
第２の透光性板から第１の透光性板に光を透過させても
よい。In the embodiment using the semi-transparent solar cell, the direction of light transmission was from the first transparent plate to the second transparent plate,
Light may be transmitted from the second light-transmitting plate to the first light-transmitting plate.
太陽電池の構造は前記構造に限定されるものではなく、
光によって起電力が得られる太陽電池であればよい。The structure of the solar cell is not limited to the above structure,
Any solar cell that can generate electromotive force from light may be used.
前記実施例では封止部を用いて、液晶を封入していたが
、透光性板の端部を屈曲させて封止部としてもよい。In the embodiment described above, the liquid crystal was sealed using the sealing part, but the end part of the light-transmitting plate may be bent to serve as the sealing part.
前記実施例においては、透明導電膜２と太陽電池部３の
正極を接続し、透明導電膜２を正極として使用したが、
透明導電膜２と太陽電池部３の負極側電極とを接続し、
透明導電膜２を負極として使用することもできる。その
場合前記実施例と液晶に印加する電圧の方向が逆となる
が、本発明の効果は同様に得られる。In the above embodiment, the transparent conductive film 2 and the positive electrode of the solar cell section 3 were connected and the transparent conductive film 2 was used as the positive electrode.
Connecting the transparent conductive film 2 and the negative electrode of the solar cell section 3,
The transparent conductive film 2 can also be used as a negative electrode. In that case, although the direction of the voltage applied to the liquid crystal is opposite to that of the above embodiment, the effects of the present invention can be obtained in the same way.
本発明によって、太陽電池を液晶とともに透光性板間に
封入したので、太陽電池を識別することは困難とし、外
観を良好とし、かつ太陽電池のとるスペースを除くこと
ができた。According to the present invention, since the solar cells are enclosed between the transparent plates together with the liquid crystal, it is difficult to identify the solar cells, the appearance is good, and the space taken up by the solar cells can be eliminated.
第１図は本発明の第１実施例を示す構造図、第２図は第
１実施例を示す一部拡大図、第３図は第２図のＡ−Ａ線
に沿う断面図、第４図は第１実施例に用いられる太陽電
池の構造図、第５図は第２実施例に用いられる太陽電池
の構造図、第６図（ａ）（ｂ）は第４実施例を示す正面
図および断面図である。
１・・・第１のガラス基板（第１の透光性基板）３・・
・太陽電池、１０・・・第２のガラス基板（第２の透光
性基板）、２１・・・液晶。Fig. 1 is a structural diagram showing a first embodiment of the present invention, Fig. 2 is a partially enlarged view showing the first embodiment, Fig. 3 is a sectional view taken along line A-A in Fig. 2, and Fig. 4 The figure is a structural diagram of the solar cell used in the first embodiment, FIG. 5 is a structural diagram of the solar cell used in the second embodiment, and FIGS. 6(a) and 6(b) are front views showing the fourth embodiment. and a cross-sectional view. 1... First glass substrate (first transparent substrate) 3...
- Solar cell, 10... second glass substrate (second transparent substrate), 21... liquid crystal.
Claims (1)
基板と、 一方の面に第２の透明導電膜が形成された第２の透光性
基板と、 前記第１の透明導電膜と一方の電極とが電気的に接続さ
れ、前記第２の透明導電膜と他方の電極とが電気的に接
続され、前記第１の透光性基板の一方の面と前記第２の
透光性基板の一方の面とによって液晶とともに封入され
る太陽電池とからなり、 前記太陽電池の起電力により前記液晶の光透過率を調整
することを特徴とする自動調光装置。[Claims] A first transparent substrate with a first transparent conductive film formed on one surface, and a second transparent substrate with a second transparent conductive film formed on one surface. and the first transparent conductive film and one electrode are electrically connected, the second transparent conductive film and the other electrode are electrically connected, and one of the first transparent substrates is electrically connected to the other electrode. and a solar cell enclosed together with a liquid crystal by one surface of the second light-transmitting substrate, and the light transmittance of the liquid crystal is adjusted by the electromotive force of the solar cell. Dimmer device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63198437A JPH0247627A (en) | 1988-08-09 | 1988-08-09 | Automatic light controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63198437A JPH0247627A (en) | 1988-08-09 | 1988-08-09 | Automatic light controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0247627A true JPH0247627A (en) | 1990-02-16 |
Family
ID=16391069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63198437A Pending JPH0247627A (en) | 1988-08-09 | 1988-08-09 | Automatic light controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247627A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0343627U (en) * | 1989-09-04 | 1991-04-24 | ||
| US5139578A (en) * | 1991-01-22 | 1992-08-18 | Valley Charles R | Liquid crystal coverslides for solar cells |
| EP1037279A3 (en) * | 1994-03-22 | 2000-11-22 | Hyperchip Inc. | Display architecture supporting integrated power supply means |
| US6498635B1 (en) * | 1999-03-05 | 2002-12-24 | Chartered Semiconductor Manufacturing Ltd. | Method of forming insulating material alignment posts associated with active device structures |
| JP2018025786A (en) * | 2016-07-29 | 2018-02-15 | 大日本印刷株式会社 | Lighting control film, lighting control member and power supply method for vehicle and lighting control film |
| JP2022009944A (en) * | 2017-03-03 | 2022-01-14 | 大日本印刷株式会社 | vehicle |
| US11541731B2 (en) | 2016-07-29 | 2023-01-03 | Dai Nippon Printing Co., Ltd. | Light control film, light control member, vehicle, and electricity supply method for light control film |
| JP2023023754A (en) * | 2021-08-06 | 2023-02-16 | 凸版印刷株式会社 | Light control system, light control sheet and screen |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6478237A (en) * | 1987-09-19 | 1989-03-23 | Fuji Electric Co Ltd | Dimming transmission body |
-
1988
- 1988-08-09 JP JP63198437A patent/JPH0247627A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6478237A (en) * | 1987-09-19 | 1989-03-23 | Fuji Electric Co Ltd | Dimming transmission body |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0343627U (en) * | 1989-09-04 | 1991-04-24 | ||
| US5139578A (en) * | 1991-01-22 | 1992-08-18 | Valley Charles R | Liquid crystal coverslides for solar cells |
| EP1037279A3 (en) * | 1994-03-22 | 2000-11-22 | Hyperchip Inc. | Display architecture supporting integrated power supply means |
| US6498635B1 (en) * | 1999-03-05 | 2002-12-24 | Chartered Semiconductor Manufacturing Ltd. | Method of forming insulating material alignment posts associated with active device structures |
| JP2018025786A (en) * | 2016-07-29 | 2018-02-15 | 大日本印刷株式会社 | Lighting control film, lighting control member and power supply method for vehicle and lighting control film |
| US11541731B2 (en) | 2016-07-29 | 2023-01-03 | Dai Nippon Printing Co., Ltd. | Light control film, light control member, vehicle, and electricity supply method for light control film |
| JP2022009944A (en) * | 2017-03-03 | 2022-01-14 | 大日本印刷株式会社 | vehicle |
| JP2023023754A (en) * | 2021-08-06 | 2023-02-16 | 凸版印刷株式会社 | Light control system, light control sheet and screen |
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