JPH0160805B2 - - Google Patents
Info
- Publication number
- JPH0160805B2 JPH0160805B2 JP61304961A JP30496186A JPH0160805B2 JP H0160805 B2 JPH0160805 B2 JP H0160805B2 JP 61304961 A JP61304961 A JP 61304961A JP 30496186 A JP30496186 A JP 30496186A JP H0160805 B2 JPH0160805 B2 JP H0160805B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- transparent electrode
- electrode substrates
- polarizing plates
- lens device
- 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
Links
- 239000000758 substrate Substances 0.000 claims description 45
- 239000004973 liquid crystal related substance Substances 0.000 claims description 33
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
- Eyeglasses (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、スキーやモータースポーツに使用さ
れるゴーグル、めがね、ヘルメツトのシールド等
のレンズ装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to lens devices such as goggles, glasses, and helmet shields used in skiing and motor sports.
（従来の技術）
レンズ装置には、第７図に示すように液晶５１
と該液晶５１を両側から挟持する一対の透明電極
基板５２，５３と該電極基板５２，５３の外側に
配置した一対の偏光板５４，５５とを備え、電極
基板５２，５３を透明基板５２ａ，５３ａに透明
電極５２ｂ，５３ｂを塗布又は蒸着して構成し、
この透明電極５２ｂ，５３ｂ間に電圧を印加する
ことにより、偏光板５４，５５の一方を通過した
偏光を液晶５１を通る間に旋光させ、これにより
レンズ装置を通過する光を調光するようにしたも
のがある。ところで、この種の従来のレンズ装置
は、同図に示すように偏光板５４，５５を電極基
板５２，５３に密着させ、偏光板５４，５５によ
つて電極基板５２，５３及び液晶５１を挟持する
ように構成していた。なお、５６は電極基板５
２，５３の外周部間に設けたパツキンである。(Prior art) The lens device includes a liquid crystal 51 as shown in FIG.
A pair of transparent electrode substrates 52, 53 sandwiching the liquid crystal 51 from both sides, and a pair of polarizing plates 54, 55 arranged outside the electrode substrates 52, 53. 53a with transparent electrodes 52b, 53b coated or vapor-deposited,
By applying a voltage between the transparent electrodes 52b and 53b, the polarized light that has passed through one of the polarizing plates 54 and 55 is rotated while passing through the liquid crystal 51, thereby controlling the light passing through the lens device. There is something I did. By the way, in this type of conventional lens device, polarizing plates 54 and 55 are brought into close contact with electrode substrates 52 and 53, and the electrode substrates 52 and 53 and liquid crystal 51 are sandwiched between the polarizing plates 54 and 55. It was configured to do so. In addition, 56 is the electrode substrate 5
This is a gasket provided between the outer peripheries of numbers 2 and 53.
（発明が解決しようとする問題点）
従つて、従来では偏光板５４，５５を電極基板
５２，５３に密着させているため、外部からの圧
力が偏光板５４，５５から電極基板５２，５３及
び液晶５１にそのままかかり、電極基板５２，５
３の変形等によつて電極ギヤツプの均一性がた易
く損なわられ、色むら等を生じ、調光の精度を上
げることが困難であつた。(Problems to be Solved by the Invention) Therefore, in the past, since the polarizing plates 54 and 55 were brought into close contact with the electrode substrates 52 and 53, external pressure was applied from the polarizing plates 54 and 55 to the electrode substrates 52 and 53 and It is directly applied to the liquid crystal 51, and the electrode substrates 52, 5
The uniformity of the electrode gap is easily impaired due to the deformation of 3, etc., resulting in color unevenness and the like, making it difficult to improve the precision of dimming.
本発明は上記問題点に鑑み、外圧が加わつても
色むら等を生じることなく良好に調光できるゴー
グル等のレンズ装置を提供することを目的とす
る。 SUMMARY OF THE INVENTION In view of the above-mentioned problems, an object of the present invention is to provide a lens device such as goggles that can satisfactorily adjust light without causing color unevenness even when external pressure is applied.
（問題点を解決するための手段）
この技術的課題を解決する本発明の技術的手段
は、液晶９と該液晶９を両側から挟持する一対の
透明電極基板１０，１１と該電極基板１０，１１
の外側に配置した一対の偏光板１２，１３とを偏
え、透明電極基板１０，１１間に電圧を印加する
ことにより調光できるように構成されたレンズ装
置において、偏光板１２，１３間に、偏光板１
２，１３の間隔を一定に保持するようにガスケツ
ト１４が設けられ、前記液晶９及び透明電極基板
１０，１１が、偏光板１２，１３に接触しないよ
うに間隔をあけた状態で、偏光板１２，１３の少
なくとも一方に固定されている点にある。(Means for solving the problem) The technical means of the present invention for solving this technical problem consists of a liquid crystal 9, a pair of transparent electrode substrates 10 and 11 that sandwich the liquid crystal 9 from both sides, and a pair of transparent electrode substrates 10 and 11 that sandwich the liquid crystal 9 from both sides. 11
In a lens device configured to be able to dim light by polarizing a pair of polarizing plates 12 and 13 arranged outside the transparent electrode substrates 10 and 11 and applying a voltage between the transparent electrode substrates 10 and 11, , polarizing plate 1
A gasket 14 is provided to maintain a constant spacing between the polarizing plates 12 and 13, and the liquid crystal 9 and the transparent electrode substrates 10 and 11 are spaced apart from each other so as not to contact the polarizing plates 12 and 13. , 13.
（作 用）
透明電極基板１０，１１に電圧を印加すると、
その印加した電圧の周波数、電圧の大きさに応じ
て液晶９の光学的性質が変化し、その結果レンズ
装置２が変色する。そして、このレンズ装置２に
大きな圧力が加わつても透明電極基板１０，１１
及び液晶９は偏光板１２，１３に対して接触して
おらず、外圧を偏光板１２，１３によつて効果的
に緩和吸収でき、外圧は透明電極基板１０，１１
及び液晶９にはほとんどかからない。(Function) When voltage is applied to the transparent electrode substrates 10 and 11,
The optical properties of the liquid crystal 9 change depending on the frequency and magnitude of the applied voltage, and as a result, the lens device 2 changes color. Even if a large pressure is applied to this lens device 2, the transparent electrode substrates 10, 11
The liquid crystal 9 is not in contact with the polarizing plates 12 and 13, and external pressure can be effectively relaxed and absorbed by the polarizing plates 12 and 13.
And the liquid crystal 9 is hardly affected.
（実施例）
以下、本発明を図示の実施例に従つて説明する
と、第２図において、１はスキー用ゴーグルで、
レンズ装置２と、該レンズ装置２を囲繞保持する
フレーム３と、ゴーグル１を着用者の頭部に保持
するための左右一対の伸縮弾性バンド４とから成
る。フレーム３は、屈曲自在な比較的軟質の弾性
を有する合成樹脂により一体形成されている。フ
レーム３の上部には電池５と発振器６とを収納す
る収納部７が設けられている。(Example) Hereinafter, the present invention will be explained according to the illustrated example. In FIG. 2, 1 is ski goggles;
It consists of a lens device 2, a frame 3 surrounding and holding the lens device 2, and a pair of left and right elastic bands 4 for holding the goggles 1 on the wearer's head. The frame 3 is integrally formed of flexible and relatively soft elastic synthetic resin. A storage section 7 for storing a battery 5 and an oscillator 6 is provided in the upper part of the frame 3.
前記レンズ装置２は、第１図に示すように液晶
９と該液晶を両側から挟持する一対の透明電極基
板１０，１１と該電極基板１０，１１の外側に配
置した一対の偏光板１２，１３とを偏える。透明
電極基板１０，１１は透明基板１０ａ，１１ａに
透明電極１０ｂ，１１ｂを塗布又は蒸着して成
り、透明基板１０ａ，１１ａは透明なガラス又は
プラスチツクにより構成され、透明電極１０ｂ，
１１ｂは酸化スズ、酸化インジユーム、金属薄膜
等から成る。液晶９に例えばネマテイツク型の
10μ程度の厚さの液晶が使用され、透明電極１０
ｂ，１１ｂ間に交流電圧を印加することにより、
その交流電圧の周波数又は電圧等に応じて偏光板
１２，１３の一方を通過した偏光が液晶９を通過
する間に旋光して偏光角が変化し、他方の偏光板
１２，１３を通過する偏光の量が調整され、これ
によりレンズ装置２を通過する光が調光されるよ
うになつている。 As shown in FIG. 1, the lens device 2 includes a liquid crystal 9, a pair of transparent electrode substrates 10, 11 that sandwich the liquid crystal from both sides, and a pair of polarizing plates 12, 13 disposed outside the electrode substrates 10, 11. to be biased. The transparent electrode substrates 10, 11 are formed by coating or vapor-depositing transparent electrodes 10b, 11b on transparent substrates 10a, 11a, and the transparent substrates 10a, 11a are made of transparent glass or plastic, and the transparent electrodes 10b,
11b is made of tin oxide, indium oxide, metal thin film, etc. For example, if the liquid crystal 9 has a nematic type
A liquid crystal with a thickness of about 10μ is used, and a transparent electrode of 10
By applying an AC voltage between b and 11b,
Depending on the frequency or voltage of the AC voltage, the polarized light that has passed through one of the polarizing plates 12 and 13 undergoes optical rotation while passing through the liquid crystal 9 and the polarization angle changes, and the polarized light that passes through the other polarizing plate 12 and 13 The amount of light passing through the lens device 2 is adjusted thereby to dim the light passing through the lens device 2.
透明電極基板１０，１１の外周部間にはパツキ
ン２１が設けられ、このパツキン２１により透明
電極基板１０，１１の外周部間を液晶９が外部に
流出しないように塞ぎ、透明基板１０，１１及び
液晶９を一体状に構成している。偏光板１２，１
３の外周部間には、ガスケツト１４が偏光板１
２，１３の間隔に保持するように設けられてい
る。ガスケツト１４の内周面には嵌合溝１５が設
けられ、この嵌合溝１５が透明電極基板１０，１
１及び液晶９の外周縁部が全周に亘つて嵌合さ
れ、これにより透明電極基板１０，１１及び液晶
９は、偏光板１２，１３に接触しないように間隔
をあけた状態でこれら偏光板１２，１３に対して
固定されている。 A packing 21 is provided between the outer peripheries of the transparent electrode substrates 10 and 11, and this packing 21 closes the space between the outer peripheries of the transparent electrode substrates 10 and 11 so that the liquid crystal 9 does not leak out to the outside. The liquid crystal 9 is constructed in one piece. Polarizing plate 12,1
A gasket 14 is placed between the outer peripheral parts of the polarizing plate 1 and the polarizing plate 1.
It is provided so as to be maintained at an interval of 2.13. A fitting groove 15 is provided on the inner peripheral surface of the gasket 14, and this fitting groove 15 is connected to the transparent electrode substrates 10, 1.
1 and the liquid crystal 9 are fitted over the entire circumference, so that the transparent electrode substrates 10, 11 and the liquid crystal 9 are spaced apart from each other so as not to contact the polarizing plates 12, 13. 12 and 13.
レンズ装置２の透明電極基板１０，１１には、
第３図に示すように前記収納部７に収納した電池
５及び発振器６から交流電源が印加されるように
なつている。この電極基板１０，１１に印加する
交流電圧の電圧及び周波数は発振器６に設けた撮
み等を操作することにより任意に変えることがで
きるように構成されている。 The transparent electrode substrates 10 and 11 of the lens device 2 include
As shown in FIG. 3, AC power is applied from a battery 5 and an oscillator 6 housed in the housing section 7. The voltage and frequency of the alternating voltage applied to the electrode substrates 10 and 11 can be changed arbitrarily by operating a sensor provided in the oscillator 6.
第４図は他の実施例を示し、電池５及び発振器
６を収納する収納部７をバンド４に設けるように
したものである。その他の点は前記実施例と同様
の構成である。 FIG. 4 shows another embodiment in which a storage section 7 for storing a battery 5 and an oscillator 6 is provided in the band 4. In other respects, the configuration is the same as that of the previous embodiment.
第５図は他の実施例を示し、透明電極基板１
０，１１の外周縁部に対応して、透明電極基板１
０と偏光板１２とを間及び透明電極基板１１と偏
光板１３との間にスペーサ１６，１７を設け、こ
のスペーサ１６，１７により、透明電極基板１
０，１１及び液晶９を、偏光板１２，１３に接触
しないように間隔をあけた状態でこれら偏光板１
２，１３に対して固定している。 FIG. 5 shows another embodiment, in which the transparent electrode substrate 1
Transparent electrode substrate 1 corresponds to the outer peripheral edge portions 0 and 11
Spacers 16 and 17 are provided between the transparent electrode substrate 11 and the polarizing plate 12 and between the transparent electrode substrate 11 and the polarizing plate 13.
0, 11 and the liquid crystal 9 are spaced apart from each other so as not to touch the polarizing plates 12, 13.
It is fixed to 2 and 13.
第６図は他の実施例を示し、偏光板１２の外周
縁部に支持腕１９を突設し、この支持腕１９に透
明電極基板１０，１１及び液晶９の外周縁部を嵌
合し、これにより、透明電極基板１０，１１及び
液晶９を、偏光板１２，１３に接触しないように
間隔をあけた状態で固定している。なお、第６図
では偏光板１２に支持腕１９を突設しているが、
これに代え偏光板１３に支持腕１９を突設するよ
うにしてもよい。 FIG. 6 shows another embodiment, in which a support arm 19 is provided protruding from the outer peripheral edge of the polarizing plate 12, and the outer peripheral edge of the transparent electrode substrates 10, 11 and the liquid crystal 9 are fitted to this support arm 19, Thereby, the transparent electrode substrates 10 and 11 and the liquid crystal 9 are fixed at intervals so as not to contact the polarizing plates 12 and 13. In addition, in FIG. 6, the support arm 19 is provided protruding from the polarizing plate 12.
Instead, support arms 19 may be provided protruding from the polarizing plate 13.
なお、前記実施例では本発明をゴーグル１のレ
ンズ装置２につき実施しているが、本発明のレン
ズ装置はこれに限定されず、めがね、ヘルメツト
のシールドその他のレンズ装置にも適用実施でき
るものである。 In the above embodiments, the present invention is applied to the lens device 2 of the goggles 1, but the lens device of the present invention is not limited thereto, and can be applied to glasses, helmet shields, and other lens devices. be.
（発明の効果）
本発明によれば、偏光板１２，１３間に、偏光
板１２，１３の間隔を一定に保持するようにガス
ケツト１４が設けられ、前記液晶９及び透明電極
基板１０，１１が、偏光板１２，１３に接触しな
いように間隔をあけた状態で、偏光板１２，１３
の少なくとも一方に固定されているので、レンズ
装置２に大きな外圧が加わつても、その外圧を偏
光板１２，１３によつて効果的に緩和吸収でき
て、外圧は透明電極基板１０，１１及び液晶９に
はほとんどかからない。従つてレンズ装置２に圧
力が加わつても電極ギヤツプの均一性を保持で
き、色むら等を生じさせるようなこともなくな
り、確実かつ良好に調光し得る。(Effects of the Invention) According to the present invention, a gasket 14 is provided between the polarizing plates 12 and 13 so as to maintain a constant interval between the polarizing plates 12 and 13, and the liquid crystal 9 and the transparent electrode substrates 10 and 11 are , the polarizing plates 12 and 13 are spaced apart so as not to touch the polarizing plates 12 and 13.
Even if a large external pressure is applied to the lens device 2, the external pressure can be effectively relaxed and absorbed by the polarizing plates 12 and 13, and the external pressure is fixed to at least one of the transparent electrode substrates 10 and 11 and the liquid crystal. It hardly takes 9. Therefore, even if pressure is applied to the lens device 2, the uniformity of the electrode gap can be maintained, color unevenness, etc. will not occur, and dimming can be performed reliably and satisfactorily.
しかも、偏光板１２と透明電極基板１０，１１
及び液晶９との間及び偏光板１３と透明電極基板
１０，１１及び液晶９との間に隙間を形成するこ
とができ、レンズ装置２が隙間を挟んだ三重構造
となるため、著しい断熱効果を奏し得、レンズ装
置２の曇り止め効果を発揮できる。また偏光板１
２，１３によつて光の偏光と透明電極基板１０，
１１及び液晶９の保護とを兼用できて、構成部材
を極力少なくなし得、レンズ装置を薄くコンパク
トに形成できる。しかも透明電極基板１０，１１
を偏光板１２，１３にて保護し得るため、透明電
極基板１０，１１を極力薄いフイルムにて形成で
きるし、また偏光板１２，１３も比較的柔軟なフ
イルム等に形成することも可能であり、レンズ装
置全体をフレキシビリテイに豊んだものになすこ
とができ、衝撃等に強くかつ顔等に容易にフツト
させることができ、機能性に優れたものになし
得、その効果が著大である。 Moreover, the polarizing plate 12 and the transparent electrode substrates 10 and 11
and the liquid crystal 9, and between the polarizing plate 13, the transparent electrode substrates 10, 11, and the liquid crystal 9. Since the lens device 2 has a triple structure with gaps in between, it has a remarkable heat insulation effect. The anti-fogging effect of the lens device 2 can be exhibited. Also, polarizing plate 1
Polarization of light and transparent electrode substrate 10 by 2 and 13,
11 and the protection of the liquid crystal 9, the number of constituent members can be minimized, and the lens device can be made thin and compact. Moreover, transparent electrode substrates 10 and 11
can be protected by the polarizing plates 12 and 13, so the transparent electrode substrates 10 and 11 can be formed from as thin films as possible, and the polarizing plates 12 and 13 can also be formed from relatively flexible films. , the entire lens device can be made highly flexible, resistant to shocks, etc., can be easily attached to the face, etc., and can be made to have excellent functionality, and its effects are significant. It is.
第１図は本発明の一実施例を示すゴーグル用レ
ンズ装置の断面図、第２図は同ゴーグルの斜視
図、第３図は同レンズ装置と電池及び発振器との
接続状態を示す構成図である。第４図は他の実施
例を示すゴーグルの斜視図、第５図及び第６図は
夫々他の実施例を示す断面図である。第７図は従
来例を示す断面図である。
９……液晶、１０，１１……透明電極基板、１
２，１３……偏光板、１４……ガスケツト。
FIG. 1 is a sectional view of a goggle lens device showing an embodiment of the present invention, FIG. 2 is a perspective view of the same goggle, and FIG. 3 is a configuration diagram showing the connection state of the lens device, a battery, and an oscillator. be. FIG. 4 is a perspective view of goggles showing another embodiment, and FIGS. 5 and 6 are sectional views showing each of the other embodiments. FIG. 7 is a sectional view showing a conventional example. 9...Liquid crystal, 10, 11...Transparent electrode substrate, 1
2, 13...Polarizing plate, 14...Gasket.
Claims (1)
透明電極基板１０，１１と該電極基板１０，１１
の外側に配置した一対の偏光板１２，１３とを偏
え、透明電極基板１０，１１間に電圧を印加する
ことにより調光できるように構成されたレンズ装
置において、偏光板１２，１３間に、偏光板１
２，１３の間隔を一定に保持するようにガスケツ
ト１４が設けられ、前記液晶９及び透明電極基板
１０，１１が、偏光板１２，１３に接触しないよ
うに間隔をあけた状態で、偏光板１２，１３の少
なくとも一方に固定されていることを特徴とする
レンズ装置。1. A liquid crystal 9, a pair of transparent electrode substrates 10 and 11 that sandwich the liquid crystal 9 from both sides, and the electrode substrates 10 and 11.
In a lens device configured to be able to dim light by polarizing a pair of polarizing plates 12 and 13 arranged outside the transparent electrode substrates 10 and 11 and applying a voltage between the transparent electrode substrates 10 and 11, , polarizing plate 1
A gasket 14 is provided to maintain a constant spacing between the polarizing plates 12 and 13, and the liquid crystal 9 and the transparent electrode substrates 10 and 11 are spaced apart from each other so as not to contact the polarizing plates 12 and 13. , 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61304961A JPS63157128A (en) | 1986-12-19 | 1986-12-19 | Lens device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61304961A JPS63157128A (en) | 1986-12-19 | 1986-12-19 | Lens device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63157128A JPS63157128A (en) | 1988-06-30 |
| JPH0160805B2 true JPH0160805B2 (en) | 1989-12-26 |
Family
ID=17939395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61304961A Granted JPS63157128A (en) | 1986-12-19 | 1986-12-19 | Lens device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63157128A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989011673A1 (en) * | 1988-05-17 | 1989-11-30 | Kabushiki Kaisha Biotron | Dimmer lens, dimmer glasses and sun glasses and production of dimmer lens |
| US7567306B2 (en) | 2006-07-14 | 2009-07-28 | Alphamicron, Inc. | Liquid crystal ski goggles and methods of manufacturing the same |
| EP2556406B1 (en) | 2010-04-05 | 2019-09-18 | Alphamicron Incorporated | Electronically switchable optical device with a multi-functional optical control apparatus and methods for operating the same |
| US10095052B2 (en) | 2010-04-05 | 2018-10-09 | Alphamicron Incorporated | Electronically switchable optical device with a multi-functional optical control apparatus and methods for operating the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5560115U (en) * | 1979-09-06 | 1980-04-24 | ||
| JPH0435916Y2 (en) * | 1985-05-10 | 1992-08-25 |
-
1986
- 1986-12-19 JP JP61304961A patent/JPS63157128A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63157128A (en) | 1988-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |