JPH01136101A - Mirror and display method by using said mirror - Google Patents
Mirror and display method by using said mirrorInfo
- Publication number
- JPH01136101A JPH01136101A JP29392787A JP29392787A JPH01136101A JP H01136101 A JPH01136101 A JP H01136101A JP 29392787 A JP29392787 A JP 29392787A JP 29392787 A JP29392787 A JP 29392787A JP H01136101 A JPH01136101 A JP H01136101A
- Authority
- JP
- Japan
- Prior art keywords
- mirror
- image
- voltage
- projected
- piezoelectric body
- 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
- 238000000034 method Methods 0.000 title claims description 14
- 239000000463 material Substances 0.000 claims description 7
- 229910052737 gold Inorganic materials 0.000 abstract description 9
- 239000010931 gold Substances 0.000 abstract description 9
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract description 8
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229910052736 halogen Inorganic materials 0.000 abstract description 3
- 150000002367 halogens Chemical class 0.000 abstract description 2
- 239000002305 electric material Substances 0.000 abstract 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- FCYVWWWTHPPJII-UHFFFAOYSA-N 2-methylidenepropanedinitrile Chemical compound N#CC(=C)C#N FCYVWWWTHPPJII-UHFFFAOYSA-N 0.000 description 1
- DJHGAFSJWGLOIV-UHFFFAOYSA-N Arsenic acid Chemical compound O[As](O)(O)=O DJHGAFSJWGLOIV-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- -1 H3AsO4 Chemical class 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- GEIAQOFPUVMAGM-UHFFFAOYSA-N Oxozirconium Chemical compound [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000866 electrolytic etching Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000005546 reactive sputtering Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 150000003892 tartrate salts Chemical class 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
Abstract
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は、表示機能を有する新規な鏡に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a novel mirror with display function.
［従来の技術］
外見上は普通の鏡と区別できないが、その鏡に太陽光線
を当て、その光の反射光を壁などに投影すると、その壁
に仏像や経文などの像が浮かび上がるという鏡が古くか
ら知られている。そのようなカラクリを施した鏡は、「
魔鏡」と呼ばれている。[Prior technology] A mirror that cannot be distinguished from an ordinary mirror from the outside, but when sunlight shines on the mirror and the reflected light is projected onto a wall, an image of a Buddha or sutra appears on the wall. has been known since ancient times. A mirror with such a trick is ``
It is called a magic mirror.
この魔鏡の鏡面は全体としてやや凸状であり、部分的に
微妙な曲率半径の差異を有する。この鏡面に平行光線を
照射すると、曲率半径が小さい部分の反射光は分散し、
その投影像の暗い部分を形成し、曲率半径が大きい部分
の反射光は、その投影像の明るい部分を形成する。この
明暗によって投影像が形成される。The mirror surface of this magic mirror is slightly convex as a whole, with slight differences in the radius of curvature in some parts. When parallel light is irradiated onto this mirror surface, the reflected light from areas with a small radius of curvature is dispersed,
The reflected light from the portion having a large radius of curvature forms the dark portion of the projected image, and the light reflected from the portion having a large radius of curvature forms the bright portion of the projected image. A projected image is formed by this brightness and darkness.
なお、上述の鏡面の微妙な曲率半径の差異は、鏡背に凹
凸模様を形成して、鏡面を相当に薄くなるまで磨くこと
によって形成されると考えられている。The above-mentioned subtle differences in the radius of curvature of the mirror surface are thought to be created by forming an uneven pattern on the mirror back and polishing the mirror surface until it becomes considerably thinner.
このような魔鏡は、表示方法に使用する一種の光学系で
あり、その表示する像を第三者に気付かれず、かつ必要
な際には容易に投影して見ることができるという利点を
有する。Such a magic mirror is a type of optical system used for display methods, and has the advantage that the displayed image is not noticed by third parties and can be easily projected and viewed when necessary. .
［発明が解決しようとする問題点］
このような魔鏡を作製することは、技術的に非常に困難
を伴なうことが従来より知られている。[Problems to be Solved by the Invention] It has been known that manufacturing such a magic mirror is technically extremely difficult.
また、魔鏡は、−旦形成された投影像を変更、変形する
ことができない。したがって、魔鏡のような光学系を表
示手段として利用する場合の利用範囲は非常に狭い。Furthermore, the magic mirror cannot change or transform the projected image once formed. Therefore, the scope of use of an optical system such as a magic mirror as a display means is extremely narrow.
本発明の目的は、魔鏡の利点を有しつつ、かつ投影する
像が可変であり、その製造が容易である新規な鏡を提供
することにある。An object of the present invention is to provide a novel mirror that has the advantages of a magic mirror, projects a variable image, and is easy to manufacture.
［問題点を解決するための手段］
本発明の上記目的は、圧電体と、該圧電体に電圧を部位
選択的に印加できる手段と、該電圧印加に応じた圧電体
の変形と連動して変形できる鏡面とを有することを特徴
とする鏡、および、圧電体の変形と連動して変形できる
鏡面を有する鏡に光を照射した状態で、表示すべき像に
応じた電圧を該圧電体に印加し、該鏡面からの反射光に
より表示投影像を形成することを特徴とする表示方法に
より達成できる。[Means for Solving the Problems] The above object of the present invention is to provide a piezoelectric body, a means for selectively applying a voltage to the piezoelectric body, and a means for deforming the piezoelectric body in response to the voltage application. A mirror characterized by having a deformable mirror surface, and a mirror having a mirror surface that can be deformed in conjunction with the deformation of the piezoelectric body is irradiated with light, and a voltage corresponding to an image to be displayed is applied to the piezoelectric body. This can be achieved by a display method characterized in that a display projection image is formed using the reflected light from the mirror surface.
更に詳しくは、従来の魔鏡においては、投影する像が作
製される時点で確定されるのに対し、本発明の鏡はその
投影像を電気的に自由に変形制御できることを特徴とす
る。More specifically, in contrast to conventional magic mirrors in which the image to be projected is determined at the time of production, the mirror of the present invention is characterized in that the projected image can be controlled to be freely deformed electrically.
まず、本発明の鏡の構成について詳細に説明する。First, the configuration of the mirror of the present invention will be explained in detail.
本発明の鏡は、少なくとも （ａ）圧電体 （ｂ）圧電体に電圧を印加する手段 （Ｃ）圧電体の変形と連動して変形する鏡面を有する。The mirror of the present invention has at least (a) Piezoelectric body (b) Means for applying voltage to the piezoelectric body (C) It has a mirror surface that deforms in conjunction with the deformation of the piezoelectric body.
圧電体（ａ）には、電圧を印加することによって適度に
変形するものを用いればよい。その適度な変形とは、鏡
面（Ｃ）を変形させ、鏡面（Ｃ）の曲率半径を制御でき
る程度の変形である。そのような圧電体として、具体的
には、例えば窒化アルミニウム（ＡＩＮ） 、酸化ジル
コニウム（ＺｒＯ） 、チタン酸化ルコニウム鉛（Ｐｂ
ＺｒＯａ）、チタン酸バリウム（ＢａＴｉＯ＊）、ビ’
ｏ＝オブ酸カドミニウム（（：ｄ２Ｎｂ。The piezoelectric body (a) may be one that deforms appropriately by applying a voltage. The appropriate deformation is a deformation that can deform the mirror surface (C) and control the radius of curvature of the mirror surface (C). Specific examples of such piezoelectric materials include aluminum nitride (AIN), zirconium oxide (ZrO), titanium ruconium oxide lead (Pb
ZrOa), barium titanate (BaTiO*), Bi'
o = cadmium oxate ((:d2Nb.
０７）、メタニオブ酸鉛（ＰｂＮｂｚＯｓ） 、メタタ
ンタル酸リチウム（ＬｉＴａ０３）等の酸素八面体族、
Ｎａに（Ｃ４Ｈ４０６）・４■２０、ＬｉＮＨ４（Ｃ２
Ｈ＜Ｏｓ）・８２０ 、 ＬｉＴｌ （ＧＪ４０ａ）Ｈ
，Ｏなどの酒石酸塩、ｇｏｚｐｏ４、ＮＨ４Ｈ２ＰＯ４
、にＨ３ＡｓＯ４、ＲｂＨ２ＰＯ４などの第一リン酸塩
、ＮＨ（：（ＮＨ２）２ＡＩＨ（５０４）６８２０ 、
ＮＨ３ＣＨ３Ａｌ（５０４）２１２Ｈ２０などのミョウ
バン、（ＮＬ）ｚｃｄ２（ＳＬ）ａ 、（ＮＨ４）ｚＳ
０４、（ＣＩ２Ｎ８２ＣＱＯＨ）ｓＨｔｓＯ４、（ＮＩ
（２）２ｃｓ、 Ｃａｎａｄ４（ＯＨ）ａｕｔｏ 、あ
るいはフッ化ビニリデン、ビニリデンシアニド等の高分
子化合物などを挙げることができる。07), oxygen octahedral group such as lead metaniobate (PbNbzOs), lithium metatantalate (LiTa03),
Na(C4H406)・4■20, LiNH4(C2
H<Os)・820, LiTl (GJ40a)H
, O and other tartrates, gozpo4, NH4H2PO4
, primary phosphates such as H3AsO4, RbH2PO4, NH(:(NH2)2AIH(504)6820,
Alum such as NH3CH3Al(504)212H20, (NL)zcd2(SL)a, (NH4)zS
04, (CI2N82CQOH)sHtsO4, (NI
(2) Examples include 2cs, Canad4(OH)auto, and polymeric compounds such as vinylidene fluoride and vinylidene cyanide.
圧電体に電圧を印加する手段（ｂ）としては、適当な直
流電源または交流電源を用い、その電源の端子を、表示
しようとする像に応じて一組（正極および負極など）ま
たは複数接続すればよい。また接続位置も表示しようと
する像に応じて適宜選定すればよい。As the means (b) for applying voltage to the piezoelectric material, use a suitable DC power supply or AC power supply, and connect the terminals of the power supply in one set (positive electrode, negative electrode, etc.) or in plural depending on the image to be displayed. Bye. Furthermore, the connection position may be appropriately selected depending on the image to be displayed.
圧電体の変形と連動して変形する鏡面（ｃ）には、従来
より公知の鏡面用材料を圧電体の表面に積層すればよい
。具体的には、例えば、金、銀、銅などを用いればよい
。その積層方法も従来より公知の方法を用いればよく、
例えばイオンブレーティング法、蒸着法などを用いれば
よい。ただし、本発明は上述のように圧電体の上に鏡面
が積層された構成に限られるものではなく、圧電体の電
気的変形によって鏡面も変形する構成であればよい。し
たがって、例えば圧電体の内部に鏡面を有する構成など
であっても有効である。For the mirror surface (c) that deforms in conjunction with the deformation of the piezoelectric body, a conventionally known mirror surface material may be laminated on the surface of the piezoelectric body. Specifically, for example, gold, silver, copper, etc. may be used. The lamination method may also be a conventionally known method.
For example, an ion blasting method, a vapor deposition method, etc. may be used. However, the present invention is not limited to the configuration in which a mirror surface is laminated on a piezoelectric body as described above, but may be any configuration in which the mirror surface is also deformed by electrical deformation of the piezoelectric body. Therefore, for example, a configuration in which the piezoelectric body has a mirror surface inside is also effective.
以上のような構成の本発明の鏡を用いた表示方法を、次
に説明する。A display method using the mirror of the present invention having the above configuration will be explained next.
まず、本発明の鏡に光を照射する。その光は、投影像を
形成できる程度の強度を有するならどの様な光でも用い
ることもできるが、投影像をより均一に投影できるとい
う点から、その光は平行光線であることが好ましい。First, the mirror of the present invention is irradiated with light. Any kind of light can be used as long as it has an intensity sufficient to form a projected image, but it is preferable that the light be parallel rays, since the projected image can be projected more uniformly.
その鏡の反射光をスクリーンなどに投影し、同時に投影
像が所望の形状になるように圧電体に電圧を印加する。The reflected light from the mirror is projected onto a screen or the like, and at the same time a voltage is applied to the piezoelectric body so that the projected image has a desired shape.
電圧を印加された部分の圧電体は変形し、その変形に連
動して鏡面も変形する。したがって、その鏡面の変形部
分の反射光は、集光または拡散し、投影像にあける明部
または暗部□を形成する。The piezoelectric material in the part to which voltage is applied deforms, and the mirror surface also deforms in conjunction with the deformation. Therefore, the reflected light from the deformed portion of the mirror surface is condensed or diffused to form bright or dark areas □ in the projected image.
本発明の方法を用いれば、圧電体に電圧を印加する端子
を様々な位置に設けること、ならびに部分的または全体
の端子に印加する電圧の強度を各々変化させることによ
り種々の表示投影像を形成することが可能である。By using the method of the present invention, various display projection images can be formed by providing terminals for applying voltage to the piezoelectric material at various positions and by varying the intensity of the voltage applied to the partial or entire terminals. It is possible to do so.
［発明の効果］
以上説明したように、本発明の鏡は、従来の魔鏡と同様
に、その表示する像を第三者に気付かれず、かつ必要な
際には容易に投影して見ることができるという利点を有
する。更には、単純な構成なので製造が容易である。[Effects of the Invention] As explained above, the mirror of the present invention, like the conventional magic mirror, can display an image unnoticed by a third party and can be easily projected and viewed when necessary. It has the advantage of being able to Furthermore, since the structure is simple, manufacturing is easy.
更には、本発明の鏡による投影像は、自由に変更、変形
することができるので、新規な表示手段として有用であ
り、例えばオーバーヘッドプロジェクタ−１光通信、広
告手段など種々の分野に利用が期待できる。Furthermore, since the image projected by the mirror of the present invention can be freely changed and transformed, it is useful as a new display means, and is expected to be used in various fields such as overhead projector-1 optical communication and advertising means. can.
［実施例］ 以下、本発明を実施例により、更に詳細に説明する。[Example] Hereinafter, the present invention will be explained in more detail with reference to Examples.
まず、シリコンウェハー（Ｐ Ｉ Ｑ）上に、リアクテ
ィブスパッタ法によって、アルミニウムターゲットを用
い、アルゴン：窒素＝１＝１の混合ガスを８ ｘ １０
’−’Ｔｏｏｒ、放電電力２００Ｗで８ＪＬｓ厚の窒化
アルミニウム膜を形成した。First, a mixed gas of argon:nitrogen=1=1 was deposited on a silicon wafer (PIQ) by reactive sputtering using an aluminum target at 8 x 10
'-' Toor, an aluminum nitride film with a thickness of 8 JLs was formed with a discharge power of 200 W.
次いで、その膜上に、抵抗加熱法（３００℃）によって
、２ ｘ １０−’Ｔｏｏｒにて、 ０．５鱗厚の金を
成膜した。Next, a gold film having a thickness of 0.5 scale was formed on the film by a resistance heating method (300°C) at 2 x 10-'Toor.
以上のようにしてシリコンウェハー上に成膜した窒化ア
ルミニウムおよび金を、３％フッ化水素酸水溶液中、
０．２Ａ／ｃｍ２で電解エツチングを行ない、そのシリ
コンウェハーを除去し、水洗、乾燥し、更にその窒化ア
ルミニウム面に金ペーストを塗布して電極を形成し、本
発明の鏡を完成した。Aluminum nitride and gold deposited on a silicon wafer as described above were placed in a 3% hydrofluoric acid aqueous solution.
Electrolytic etching was performed at 0.2 A/cm2, the silicon wafer was removed, washed with water, and dried. Gold paste was then applied to the aluminum nitride surface to form electrodes, thereby completing the mirror of the present invention.
次に、第１図に示すように、本実施例で得たｍｌ（窒化
アルミニウム膜１ａ、電ｉｔｂ、金膜１ｃ）の金膜１ｃ
面に対して、ハロゲンランプ３とレンズ４を用いて光を
照射し、その反射光を黒板２に投影し、かつ金ペースト
電極１ｂに４０Ｖの電圧を印加すると、第１図に示すよ
うな投影像を形成することができた。Next, as shown in FIG.
When a surface is irradiated with light using a halogen lamp 3 and a lens 4, and the reflected light is projected onto the blackboard 2, and a voltage of 40 V is applied to the gold paste electrode 1b, a projection as shown in FIG. 1 is produced. I was able to form an image.
次いで、その電圧の印加を中止すると、その像は消えた
。更に、その電圧の印加を繰り返しｏｎ−ｏｆｆすると
、その像もそれに対応して現われたり、消えたりした。Then, when the voltage application was stopped, the image disappeared. Furthermore, when the voltage was repeatedly applied on and off, the image also appeared and disappeared correspondingly.
第１図は、本実施例における鏡を用いた表示方法を例示
する模式図である。
１−−−−−鏡
１ ａ −−−−”窒化アルミニウム膜１ ｂ −−−
−−−電極
１ ｃ−−−一金膜
２−−−−−−黒板
３……ハロゲンランプ
４−−−−−−レンズFIG. 1 is a schematic diagram illustrating a display method using a mirror in this embodiment. 1------Mirror 1 a----"Aluminum nitride film 1b---
--- Electrode 1 c --- Gold film 2 --- Blackboard 3 --- Halogen lamp 4 --- Lens
Claims (5)
きる手段と、該電圧印加に応じた圧電体の変形と連動し
て変形できる鏡面とを有することを特徴とする鏡。(1) A mirror comprising a piezoelectric body, means for selectively applying a voltage to the piezoelectric body, and a mirror surface that can be deformed in conjunction with the deformation of the piezoelectric body in response to the applied voltage.
の範囲第１項記載の鏡。(2) The mirror according to claim 1, wherein the mirror surface is laminated on the piezoelectric body.
鏡に光を照射した状態で、表示すべき像に応じた電圧を
該圧電体に印加し、該鏡面からの反射光により表示投影
像を形成することを特徴とする表示方法。(3) While a mirror with a mirror surface that can be deformed in conjunction with the deformation of the piezoelectric material is irradiated with light, a voltage corresponding to the image to be displayed is applied to the piezoelectric material, and the display is projected using the light reflected from the mirror surface. A display method characterized by forming an image.
の位置を変化させて表示投影像を変化させる特許請求の
範囲第３項記載の表示方法。(4) The display method according to claim 3, wherein the displayed projected image is changed by changing the voltage applied to the piezoelectric body and/or the position of the voltage application site.
の範囲第３項または第４項記載の表示方法。(5) The display method according to claim 3 or 4, wherein the mirror surface is laminated on the piezoelectric body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29392787A JPH01136101A (en) | 1987-11-24 | 1987-11-24 | Mirror and display method by using said mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29392787A JPH01136101A (en) | 1987-11-24 | 1987-11-24 | Mirror and display method by using said mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01136101A true JPH01136101A (en) | 1989-05-29 |
Family
ID=17800963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29392787A Pending JPH01136101A (en) | 1987-11-24 | 1987-11-24 | Mirror and display method by using said mirror |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01136101A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014215616A (en) * | 2013-04-24 | 2014-11-17 | 国立大学法人東京大学 | Display device |
-
1987
- 1987-11-24 JP JP29392787A patent/JPH01136101A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014215616A (en) * | 2013-04-24 | 2014-11-17 | 国立大学法人東京大学 | Display device |
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