JP2866429B2 - Light control sheet - Google Patents

Light control sheet

Info

Publication number
JP2866429B2
JP2866429B2 JP2043503A JP4350390A JP2866429B2 JP 2866429 B2 JP2866429 B2 JP 2866429B2 JP 2043503 A JP2043503 A JP 2043503A JP 4350390 A JP4350390 A JP 4350390A JP 2866429 B2 JP2866429 B2 JP 2866429B2
Authority
JP
Japan
Prior art keywords
transparent
light control
control sheet
liquid crystal
electrodes
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 - Fee Related
Application number
JP2043503A
Other languages
Japanese (ja)
Other versions
JPH03245127A (en
Inventor
博 北村
博一 田中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Sheet Glass Co Ltd
Original Assignee
Nippon Sheet Glass Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Sheet Glass Co Ltd filed Critical Nippon Sheet Glass Co Ltd
Priority to JP2043503A priority Critical patent/JP2866429B2/en
Publication of JPH03245127A publication Critical patent/JPH03245127A/en
Application granted granted Critical
Publication of JP2866429B2 publication Critical patent/JP2866429B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、液晶層と、前記液晶層の両面夫々に密着す
る一対のシート状の透明電極と、これら透明電極の前記
液晶層存在側とは反対側の外面に配置される一対の透明
層とが設けられ、前記透明電極夫々には、これら透明電
極とリード線を引き出すためのリード線接続端子とを接
続する集配電極部を備えている調光シートに関する。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a liquid crystal layer, a pair of sheet-like transparent electrodes which are in close contact with both surfaces of the liquid crystal layer, and a liquid crystal layer existing side of these transparent electrodes. Is provided with a pair of transparent layers arranged on the outer surface on the opposite side, and each of the transparent electrodes is provided with a collecting and delivering electrode portion for connecting the transparent electrode and a lead wire connection terminal for leading out a lead wire. It relates to a light control sheet.

〔従来の技術〕[Conventional technology]

従来の調光シートでは、透明層の外周部に離れた2箇
所に一対の集配電極部が配置されていた。具体的な例を
挙げると、例えば矩形に形成されている調光シートで
は、例えば第8図及び第9図に示すように、液晶層
(4)から左へはみ出した下側の透明電極(5B)の上面
と、液晶層(4)から右へはみ出した上側の透明電極
(5A)の下面とに、集配電極部としての帯状の金属箔電
極(9A),(9B)を貼り付けた構造になっており、夫々
の金属箔電極(9A),(9B)の端部に、リード線(11
A),(11B)を接続してある。つまり、前記金属箔電極
(9A),(9B)は、透明電極(5A),(5B)の接続面
(S1),(S2)に接当して、その全長に亘って前記リー
ド線(11A),(11B)と前記透明電極(5A),(5B)と
の間を電気接続するものである。ここでは、前記金属箔
電極(9A),(9B)の端部は、前記リード線(11A),
(11B)を接続するリード線接続端子の取付部としても
機能している。そして、前記接続面(S1),(S2)は、
透明層(7A),(7B)の左端辺と右端辺に沿う帯状の面
として互いに離れて設けられていた。
In the conventional light control sheet, a pair of collecting and delivering electrode portions are arranged at two positions separated from the outer periphery of the transparent layer. As a specific example, in a light control sheet formed in a rectangular shape, for example, as shown in FIGS. 8 and 9, for example, as shown in FIG. 8 and FIG. ) And the lower surface of the upper transparent electrode (5A) that protrudes to the right from the liquid crystal layer (4), with the strip-shaped metal foil electrodes (9A) and (9B) as the collecting and delivering electrodes attached. The end of each metal foil electrode (9A) and (9B) has a lead wire (11
A) and (11B) are connected. That is, the metal foil electrodes (9A) and (9B) are in contact with the connection surfaces (S1) and (S2) of the transparent electrodes (5A) and (5B), and extend over the entire length of the lead wire (11A). ), (11B) and the transparent electrodes (5A), (5B). Here, the ends of the metal foil electrodes (9A), (9B) are connected to the lead wires (11A),
Also functions as an attachment part for the lead wire connection terminal that connects (11B). And the connection surfaces (S1) and (S2)
The transparent layers (7A) and (7B) were provided apart from each other as band-shaped surfaces along the left and right edges.

〔発明が解決しようとする課題〕[Problems to be solved by the invention]

一般に、調光シートでは、集配電極部に不透明な金属
類が用いられるので、折角透明電極を用いて、全体を透
明にしてある調光シートの透明層に、透明電極と集配電
極部の接続面が存在することは、透明層の美観を損ねた
り透明層における光の透過面積を狭めたりする原因とな
る。こうした集配電極部による悪影響を最も少なくする
ためには、調光シートの組付や固定を行うに際して、両
接続面を調光シートの支持部側で前記支持部に隠れる位
置に配置することが効果的である。
In general, in the light control sheet, opaque metals are used for the collection and distribution electrode part. Therefore, the transparent surface of the light control sheet, which is made entirely transparent, is formed by using a transparent electrode. Is a cause of impairing the aesthetics of the transparent layer or reducing the light transmission area of the transparent layer. In order to minimize the adverse effect of such a collecting and distributing electrode portion, it is effective to dispose both connecting surfaces at a position hidden by the supporting portion on the supporting portion side of the light controlling sheet when assembling and fixing the light controlling sheet. It is a target.

ところが、集配電極部の夫々は透明層の周囲に離れて
存在するから、これらを調光シートの支持部側へ配置す
るとなると、従来の集配電極部の配置であれば、調光シ
ートを、透明層の周囲の離れた2箇所で支持するように
しなければならず、調光シートの支持方法に制約を受け
ることになる。例えば、調光シートを窓枠に嵌めて使用
する場合には、両集配電極部は窓枠に覆われて見えなく
なるので、両集配電極部による悪影響は回避することが
できるが、接客のためのカウンター等の仕切として使用
する場合、殊に受付で客との仕切に使用するのを目的と
して、矩形の調光シートをカウンタの上面に単体で垂直
姿勢で設けるような場合には、一方の集配電極部は底辺
の支持部で隠れる位置に配置して見えなくできるもの
の、他方の集配電極部は三辺のいずれかに位置すること
になるので、その存在によって美観を大いに損なうとと
もに受付と客との視界を部分的に遮る結果となる。
However, since each of the collecting and distributing electrode portions is present at a distance from the periphery of the transparent layer, if these are to be disposed on the support portion side of the light modulating sheet, the light modulating sheet may be transparent if the conventional arrangement of the collecting and distributing electrode portion is employed. It must be supported at two separate locations around the layer, which limits the method of supporting the light control sheet. For example, when the light control sheet is used by fitting it into a window frame, both collecting and distributing electrode portions are covered with the window frame and become invisible, so that the adverse effects of both collecting and distributing electrode portions can be avoided, but for customer service. When used as a partition for a counter, etc., especially when a rectangular dimming sheet is provided in a vertical position on the top of the counter alone, especially for the purpose of partitioning with customers at the reception, one of the collection and delivery Although the electrode part can be placed in a position hidden by the support at the bottom and made invisible, the other collection and delivery electrode part will be located on one of the three sides, so its existence greatly impairs the aesthetic appearance and the reception and customers Partially obstructs the field of view.

本発明は、このような実情に着目してなされたもので
あって、その目的は、調光シートを仕切などに使用する
に際して、集配電極部によって美観が損ねられたり部分
的に視界を遮って光の透過面積が小さくなるのを極力回
避することにある。
The present invention has been made in view of such a situation, and its purpose is to use a light control sheet as a partition or the like to impair the aesthetic appearance or partially obstruct the view by the collecting and distributing electrode portion. An object of the present invention is to prevent the light transmission area from being reduced as much as possible.

〔課題を解決するための手段〕[Means for solving the problem]

上記目的を達成するために、本発明に係る調光シート
にあっては、一対の集配電極部が、共に前記透明層の一
側端側周部に沿って、互いに近接した状態で配置されて
いる点を第1の特徴構成にしている。
In order to achieve the above object, in the light control sheet according to the present invention, the pair of collecting and distributing electrode portions are both arranged along the one-side end side peripheral portion of the transparent layer in a state of being close to each other. Is a first characteristic configuration.

また、その全体が多角形状に形成され、前記一対の集
配電極部が共に、前記多角形状の同一辺に配置されてい
る点を第2の特徴構成にしている。
A second characteristic configuration is that the whole is formed in a polygonal shape, and the pair of collection and distribution electrode portions are both arranged on the same side of the polygonal shape.

〔作 用〕(Operation)

第1の特徴構成によれば、透明電極と集配電極部が透
明層の一側端側周部に沿って、互いに近接した状態で配
置されているので、調光シートの組付や固定に際して、
透明層の周部を一部の箇所で支持する場合であっても、
両集配電極部を支持部で隠れる位置に配置することがで
きる。
According to the first characteristic configuration, since the transparent electrode and the collection / distribution electrode portion are arranged in a state of being close to each other along the one side end peripheral portion of the transparent layer, when assembling or fixing the light control sheet,
Even when supporting the peripheral part of the transparent layer at some places,
Both collecting and distributing electrode portions can be arranged at positions hidden by the support portion.

第2の特徴構成によれば、全体が多角形状の調光シー
トの組付や固定に際して、透明層の周部を単一の辺で支
持する場合であっても、両集配電極部を支持部側の辺に
位置させて前記支持部に隠れる位置に配置することがで
きる。
According to the second characteristic configuration, when assembling or fixing the light control sheet having a polygonal shape as a whole, even if the peripheral portion of the transparent layer is supported by a single side, both the collection and distribution electrode portions are supported by the support portion. It can be located on the side of the side and located at a position hidden by the support.

〔発明の効果〕〔The invention's effect〕

第1の特徴構成により、調光シートの組付や固定に際
して、透明層の周部をどのように支持する場合であって
も、両集配電極部の存在によって透明層の美観を損ねた
り部分的に視界を遮って透明層の光の透過面積を狭めた
りするのを極力回避できるようになる。
According to the first characteristic configuration, the appearance of the transparent layer is impaired or partially lost due to the presence of both the collecting and distributing electrodes, regardless of how the periphery of the transparent layer is supported when the light control sheet is assembled or fixed. Therefore, it is possible to avoid as much as possible to block the field of view and reduce the light transmission area of the transparent layer.

第2の特徴構成によれば、全体が多角形状の調光シー
トの組付や固定に際して、透明層の周部をどのように支
持する場合であっても、両集配電極部を支持部側に位置
させることができる。
According to the second feature configuration, when assembling or fixing the light control sheet having a polygonal shape in its entirety, no matter how the peripheral portion of the transparent layer is supported, both the collection and distribution electrode portions are disposed on the support portion side. Can be located.

〔実施例〕〔Example〕

以下、本発明を調光ガラスに適用した場合を例にして
説明する。
Hereinafter, a case where the present invention is applied to a light control glass will be described as an example.

第4図に示すように、カウンター用の仕切として使用
するため、矩形に形成された調光ガラス(1)を、底辺
に沿って装着された枠体(2)によってカウンター
(3)の上面に垂直姿勢で設けてある。
As shown in FIG. 4, a rectangular dimming glass (1) is placed on the upper surface of the counter (3) by a frame (2) mounted along the base for use as a partition for the counter. It is provided in a vertical position.

第3図に示すように、前記調光ガラス(1)は、中央
の液晶封入活性層(4)の両面に透明導電膜(5A),
(5B)(透明電極に相当する)の夫々を互いに絶縁され
た状態で密着させ、それら透明導電膜(5A),(5B)の
外側面に透明支持基板(6A),(6B)の夫々を密着さ
せ、それら透明支持基板(6A),(6B)の外周面に透明
な板ガラス(7A),(7B)(透明層に相当する)の夫々
を接着材(8)を介して密着させた積層構造になってい
る。この調光ガラス(1)は、透明導電膜(5A),(5
B)の間に電圧を印加して液晶封入活性層(4)の液晶
の方向軸の状態を変化させることによって、全体の透光
性を調節する機能を有している。
As shown in FIG. 3, the light control glass (1) has a transparent conductive film (5A) on both surfaces of a central liquid crystal enclosing active layer (4).
Each of (5B) (corresponding to a transparent electrode) is adhered in an insulated state, and the transparent support substrates (6A) and (6B) are respectively attached to the outer surfaces of the transparent conductive films (5A) and (5B). The transparent support substrates (6A) and (6B) are laminated by bonding transparent glass plates (7A) and (7B) (corresponding to the transparent layer) to the outer peripheral surfaces of the transparent support substrates (6A) and (6B) via an adhesive (8). It has a structure. This light control glass (1) is made of a transparent conductive film (5A), (5
By applying a voltage during B) to change the state of the directional axis of the liquid crystal in the liquid crystal enclosing active layer (4), it has a function of adjusting the entire light transmission.

前記透明導電膜(5A),(5B)に電圧を印加するため
の電極は、調光ガラス(1)の枠体(2)で覆われた底
辺部分に設けてある。つまり、第1図及び第2図に示す
ように、液晶封入活性層(4)を除去して、底辺に沿っ
た帯板状の金属箔電極(9A),(9B)を、上側の透明導
電膜(5A)の下面と下側の透明導電膜(5B)の上面との
2箇所に貼り付けてある。そして夫々の金属箔電極(9
A),(9B)と他極に相当する透明導電膜(5B),(5
A)との間には、接触による短絡を防止するための絶縁
材(10)を封入してある。尚、本実施例では、金属箔電
極(9A),(9B)を透明導電膜(5B),(5A)の接触面
(S1),(S2)に取り付けてある。
Electrodes for applying a voltage to the transparent conductive films (5A) and (5B) are provided on the bottom portion of the light control glass (1) covered with the frame (2). That is, as shown in FIGS. 1 and 2, the liquid crystal encapsulating active layer (4) is removed, and the strip-shaped metal foil electrodes (9A) and (9B) along the bottom are connected to the upper transparent conductive layer. It is attached to two places, the lower surface of the film (5A) and the upper surface of the lower transparent conductive film (5B). And each metal foil electrode (9
A), (9B) and transparent conductive films (5B), (5
Insulating material (10) for preventing short circuit due to contact is enclosed between A and A). In this embodiment, the metal foil electrodes (9A) and (9B) are attached to the contact surfaces (S1) and (S2) of the transparent conductive films (5B) and (5A).

前記金属箔電極(5A),(5B)に電圧を印加するため
のリード線(11A),(11B)は、底辺の両端部に位置す
る角部に接触してある。つまり図中の左の角部において
は下側の板ガラス(7B)、下側の透明導電膜(5B)、絶
縁材(10)などの一部を切り取って上側の透明導電膜
(5A)の一部を露出させてあり、また、右の角部におい
ては上側の板ガラス(7A)、上側の金属箔電極(9A)、
絶縁材(10)などの一部を切り取って下側の金属箔電極
(9B)の一部を露出させてあり、これらの露出部分の夫
々に前記リード線(11A),(11B)を接続してある。
Lead wires (11A) and (11B) for applying a voltage to the metal foil electrodes (5A) and (5B) are in contact with corners located at both ends of the base. In other words, at the left corner in the figure, a part of the lower sheet glass (7B), the lower transparent conductive film (5B), the insulating material (10), etc. is cut out to form one of the upper transparent conductive film (5A). Part is exposed, and in the right corner, the upper plate glass (7A), the upper metal foil electrode (9A),
A part of the insulating material (10) is cut away to expose a part of the lower metal foil electrode (9B), and the lead wires (11A) and (11B) are connected to each of these exposed parts. It is.

〔別実施例〕(Another embodiment)

(a)本発明で特定されている「透明」とは、単色又は
多色に着色されたものを含むものとする。
(A) The term “transparent” specified in the present invention includes those colored in a single color or multiple colors.

(b)先の実施例では透明層(7A),(7B)を板ガラス
にして実施しているが、透明層(7A),(7B)を光透過
性の樹脂にして実施してもよい。
(B) In the above embodiment, the transparent layers (7A) and (7B) are made of sheet glass, but the transparent layers (7A) and (7B) may be made of a light-transmitting resin.

(c)先の実施例では全体の長方形に形成してあるが、
三角形や五角形以上の多角形に形成してもよいし円や三
角形に形成してもよい(第5図と第6図参照)。
(C) In the above embodiment, the entire rectangular shape is formed.
It may be formed as a triangle or a polygon having five or more pentagons, or may be formed as a circle or a triangle (see FIGS. 5 and 6).

(d)先の実施例では金属箔電極(9A),(9B)を底辺
に沿って並べてあるが、第7図に示すように、向かい合
わせで配置してもよい。
(D) In the above embodiment, the metal foil electrodes (9A) and (9B) are arranged along the bottom side, but they may be arranged facing each other as shown in FIG.

(e)本発明は、太陽光線や人工光源からの光線の透過
度を調節したり、あるいは視線を遮るのに使用される全
ての調光シートに使用することができる。具体的な用途
としては、銀行や病院の受付カウンターの仕切、浴室や
温室の窓ガラス、車の運転席やテラスの日除けなどがあ
る。
(E) The present invention can be used for all light control sheets used to adjust the transmittance of sunlight or light rays from artificial light sources or to block the line of sight. Specific applications include partitioning reception desks in banks and hospitals, windowpanes in bathrooms and greenhouses, sunshades in car seats and terraces, and the like.

尚、特許請求の範囲の項に図面との対照を便利にする
ために符号を記すが、該記入により本発明は添付図面の
構造に限定されるものではない。
In the claims, reference numerals are provided for convenience of comparison with the drawings, but the present invention is not limited to the structure of the accompanying drawings by the entry.

【図面の簡単な説明】[Brief description of the drawings]

図面は本発明に係る調光シートの実施例を示し、第1図
は正面図、第2図は第1図のII−II線断面図、第3図は
第1図のIII−III線断面図、第4図は使用状態での斜視
図であり、第5図と第6図は調光シートの別実施例を示
す正面図である。第7図は調光シートの別実施例を示す
縦断側面図、第8図は従来例の正面図、第9図は第8図
のIX−IX線断面図である。 (4)……液晶層、(5A),(5B)……透明電極、(7
A),(7B)……透明層、(9A),(9B)……集配電極
部、(11A),(11B)……リード線。
1 is a front view, FIG. 2 is a sectional view taken along line II-II of FIG. 1, and FIG. 3 is a sectional view taken along line III-III of FIG. FIG. 4 is a perspective view in a use state, and FIGS. 5 and 6 are front views showing another embodiment of the light control sheet. FIG. 7 is a longitudinal sectional side view showing another embodiment of the light control sheet, FIG. 8 is a front view of the conventional example, and FIG. 9 is a sectional view taken along line IX-IX of FIG. (4) Liquid crystal layer, (5A), (5B) Transparent electrode, (7
A), (7B): Transparent layer, (9A), (9B): Collection electrode part, (11A), (11B): Lead wire.

───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6,DB名) G02F 1/1345──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. 6 , DB name) G02F 1/1345

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】液晶層(4)と、前記液晶層(4)の両面
夫々に密着する一対のシート状の透明電極(5A),(5
B)と、これら透明電極(5A),(5B)の前記液晶層存
在側とは反対側の外面に配置される一対の透明層(7
A),(7B)とが設けられ、前記透明電極(5A),(5
B)夫々には、これら透明電極(5A),(5B)とリード
線(11a,11b)を引き出すためのリード線接続端子とを
接続する集配電極部(9A),(9B)を備えている調光シ
ートであって、前記一対の集配電極部(9A),(9B)
が、共に前記透明層(7A),(7B)の一側端側周部に沿
って、互いに近接した状態で配置されている調光シー
ト。
1. A liquid crystal layer (4) and a pair of sheet-like transparent electrodes (5A), (5) which are in close contact with both surfaces of said liquid crystal layer (4).
B) and a pair of transparent layers (7) disposed on the outer surfaces of the transparent electrodes (5A) and (5B) on the side opposite to the liquid crystal layer existing side.
A) and (7B) are provided, and the transparent electrodes (5A) and (5B) are provided.
B) Each has a collection and delivery electrode section (9A) and (9B) for connecting these transparent electrodes (5A) and (5B) to lead wire connection terminals for leading out the lead wires (11a and 11b). A light control sheet, wherein the pair of collection and delivery electrodes (9A) and (9B)
, Both of which are arranged in a state of being close to each other along a peripheral portion on one end side of the transparent layers (7A) and (7B).
【請求項2】請求項1記載の調光シートであって、その
全体が多角形状に形成され、前記一対の集配電極部(9
A),(9B)が、共に前記多角形状の同一辺に配置され
ている調光シート。
2. The light control sheet according to claim 1, wherein the light control sheet is formed in a polygonal shape as a whole, and the pair of collecting and distributing electrode portions (9) are provided.
A) and (9B) are light control sheets, both arranged on the same side of the polygonal shape.
JP2043503A 1990-02-23 1990-02-23 Light control sheet Expired - Fee Related JP2866429B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2043503A JP2866429B2 (en) 1990-02-23 1990-02-23 Light control sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2043503A JP2866429B2 (en) 1990-02-23 1990-02-23 Light control sheet

Publications (2)

Publication Number Publication Date
JPH03245127A JPH03245127A (en) 1991-10-31
JP2866429B2 true JP2866429B2 (en) 1999-03-08

Family

ID=12665526

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2043503A Expired - Fee Related JP2866429B2 (en) 1990-02-23 1990-02-23 Light control sheet

Country Status (1)

Country Link
JP (1) JP2866429B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0465322U (en) * 1990-10-19 1992-06-05

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01186911A (en) * 1988-01-21 1989-07-26 Asahi Glass Co Ltd Dimming device and its manufacture

Also Published As

Publication number Publication date
JPH03245127A (en) 1991-10-31

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