JPH0732825U - Illuminated keyboard switch - Google Patents
Illuminated keyboard switchInfo
- Publication number
- JPH0732825U JPH0732825U JP009284U JP928494U JPH0732825U JP H0732825 U JPH0732825 U JP H0732825U JP 009284 U JP009284 U JP 009284U JP 928494 U JP928494 U JP 928494U JP H0732825 U JPH0732825 U JP H0732825U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- light
- plate
- transparent
- light guide
- 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.)
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Abstract
(57)【要約】
【目的】 クリック式膜型キ−ボ−ドスイッチの上面に
配装した操作表示シ−トを高効率・均一に照光可能にし
た照光式キ−ボ−ドスイッチを提供する。
【構成】 クリック用金属板４を内蔵するクリック式膜
型キ−ボ−ドスイッチのスイッチシ−ト２上に配装した
導光用透光板５と、導光用透光板５の両面に設けたこの
透光板５の屈折率より小さな屈折率を有する透過性薄膜
層６と、導光用透光板５のスイッチ動作間隙３Ａの該当
個所に穿設した透孔５Ａに装着された透過性のスイッチ
押釦７と、スイッチ押釦７及び導光用透光板５上面に配
装した操作表示シ−ト８とを具備し、透過性薄膜層６の
一部には操作表示シ−ト８の表示部８Ａに対応する部位
に透光板５の屈折率より大きな屈折率を有する表示用透
過層６Ａを備えるように構成したもの。
(57) [Summary] [Purpose] To provide an illuminated key board switch that enables highly efficient and uniform illumination of operation display sheets mounted on the top surface of a click-type membrane keyboard switch. To do. [Structure] Light-transmitting plate 5 for light guide disposed on a switch sheet 2 of a click-type film-type keyboard board incorporating a metal plate 4 for click, and both sides of the light-transmitting plate 5 for light guide. The transparent thin film layer 6 having a smaller refractive index than that of the transparent plate 5 and the transparent hole 5A formed in the corresponding portion of the switch operation gap 3A of the transparent plate 5 for light guide. A transparent switch push button 7 and an operation display sheet 8 provided on the upper surface of the switch push button 7 and the light guide translucent plate 5 are provided, and an operation display sheet is provided on a part of the transparent thin film layer 6. The display transmissive layer 6A having a refractive index larger than that of the translucent plate 5 is provided at a portion corresponding to the display portion 8A of the display panel 8.
Description
【０００１】[0001]
本考案は、端部から照射された光源光を平面照射光に乱反射させる為の導光用 透光板をクリック式膜型キ−ボ−ドスイッチの上面に配装するようにした照光式 キ−ボ−ドスイッチに関し、特には、導光用透光板の両面に乱反射効率を高める 為の透過性薄膜層を形成することにより、該導光用透光板上に配装した操作表示 シ−トを高効率・均一に照光可能に構成した製作容易且つ操作性及び耐久性の高 い照光式キ−ボ−ドスイッチに関する。 The present invention is an illuminated key which is arranged on the upper surface of a click type film type keyboard board switch for light-transmitting a light guide plate for diffusely reflecting a light source emitted from an end into a flat light. -For a board switch, in particular, by forming a transparent thin film layer on both sides of a light guide transmissive plate for enhancing diffused reflection efficiency, an operation display screen mounted on the light guide translucent plate. -Embedded illumination type keyboard switch with high efficiency and uniform illumination that is easy to manufacture and has high operability and durability.
【０００２】[0002]
端部に設置したランプ或いは発光ダイオ−ド等の光源による端部入力照射光を アクリル製樹脂板等からなる導光用透光板に入射させて該透光板の平面方向に乱 反射させることにより、この種のキ−ボ−ドスイッチ上面の操作表示パネルの一 部又は全面を照光する構造は公知である。 End input irradiation light from a light source such as a lamp or a light emitting diode installed at the end is incident on a light-transmitting light-transmitting plate made of an acrylic resin plate or the like to be diffusely reflected in the plane direction of the light-transmitting plate. Therefore, a structure for illuminating a part or the whole of the operation display panel on the upper surface of the keyboard switch of this type is known.
【０００３】 斯かる操作パネル面照光構造に於いて、例えば実開昭60−037123号公報に係る 考案は、白色合成樹脂シ−ト等の反射板に対する設置面に格子状の細溝を多数形 成すると共に、上面に透過性金属膜からなる固定接点パタ−ンを形成したアクリ ル製樹脂板等の導光板を具備し、該導光板上に膜型キ−ボ−ドスイッチの他の構 成部材を配装してその操作パネルの操作表示部のみを照光するようにした構造を 開示しており、また、実開昭61−6223号公報の考案では、クリック動作板を介し て膜型キ−ボ−ドスイッチを押圧操作する透光性の押釦を装着した導光板を該キ −ボ−ドスイッチ本体上部に配装し、該導光板底面に形成したヘヤ−ライン状起 伏部による光反射機能を以って露出した上記透光性押釦の頂部のみを内部照光す る構造を開示している。In such an operation panel surface illumination structure, for example, a device disclosed in Japanese Utility Model Laid-Open No. Sho 60-037123 discloses a large number of lattice-shaped fine grooves on the installation surface for a reflector such as a white synthetic resin sheet. And a light guide plate such as an acrylic resin plate having a fixed contact pattern made of a transparent metal film on the upper surface thereof, and another structure of the film type keyboard switch on the light guide plate. It discloses a structure in which the component members are installed to illuminate only the operation display section of the operation panel. Also, in the invention of Japanese Utility Model Laid-Open No. 61-6223, a film type is provided via a click operation plate. A light guide plate equipped with a translucent push button for pressing the key board switch is mounted on the upper part of the main body of the keyboard switch, and a hairline-shaped ridge portion is formed on the bottom surface of the light guide plate. A structure that internally illuminates only the top of the translucent push button that is exposed by the light reflection function Discloses.
【０００４】[0004]
上記従来例に於いて、膜型キ−ボ−ドスイッチを透明質に構成し、その裏面照 光方式を採用した実開昭60−037123号公報の考案の場合には、導光板端部の照射 光量を相当に高く設定する必要があり、従って、導光板の端部に装着すべき発光 ダイオ−ド等の光源設置個数及びその配線手段の増加の他、機器等に対する実装 時の繁雑化は避け難いものがあり、また、この種の膜型キ−ボ−ドスイッチの操 作感覚性を改善する為に各キ−にクリック感を付与させる機構を設けることも困 難である。 In the above-mentioned conventional example, in the case of the invention of Japanese Utility Model Laid-Open No. 60-037123 in which the film type keyboard switch is made transparent and the backside illumination method is adopted, the end portion of the light guide plate is It is necessary to set the irradiation light quantity to a considerably high level.Therefore, the number of light sources such as light emitting diodes to be mounted on the edge of the light guide plate and the wiring means are increased. There are some things that are difficult to avoid, and it is also difficult to provide a mechanism for giving a click feeling to each key in order to improve the operation feeling of this type of film type keyboard switch.
【０００５】 導光板を膜型キ−ボ−ドスイッチ本体の上面に配置した実開昭61−6223号公報 の考案では、上記構造と異なり、クリック機能を具備させることは容易ではある が、その手段として、光反射機能を併有するクリック動作板を膜型キ−ボ−ドス イッチ本体の上面に設置する構造である為、クリック感とスイッチの実際のオン ・オフ動作とは一致しない場合がある他、スイッチ押釦頂部の露出構造の為に水 その他の塵埃の侵入による耐久性の面で難点があり、また、突起した上記クリッ ク部周辺で集光する構造である為、該部に塵埃等が付着した場合には受光性を阻 害する虞がある。In the invention of Japanese Utility Model Laid-Open No. 61-6223 in which the light guide plate is arranged on the upper surface of the membrane type keyboard switch body, it is easy to provide a click function, unlike the above-mentioned structure. As a means, a click operation plate having a light reflection function is installed on the upper surface of the film type keyboard switch body, so the click feeling and the actual on / off operation of the switch may not match. In addition, the exposed structure of the top of the switch push button has a drawback in terms of durability due to the intrusion of water and other dust.Because it has a structure that collects light around the protruding click part, dust, etc. If adhered, it may impair the light receiving property.
【０００６】 更に、上記の如き従来構造では、導光板底面に格子状の細溝やヘヤ−ライン状 起伏部等の乱反射起部を備えているが、斯かる乱反射起部を有する導光板は端部 入力照射光の損失が高く、その為にランプ等の所要光源数の増加、従って、入力 照射光量の増加によって光源設置端部の発熱量も相当なものとなり、これに相応 して導光板には高価な耐熱材料を使用する必要がある他、放熱機構も設けなけれ ばならない場合がある。また、入力照射光の損失が高いことから、大きな照光面 を構成する必要がある場合には、導光板の端部側面のみに対する入力照射光だけ では均一な平面照光を得ることは期待できず、照光ムラを生ずるなど、その設計 には大きな困難がある。Further, in the conventional structure as described above, the bottom surface of the light guide plate is provided with irregular reflection raising portions such as lattice-shaped fine grooves and hairline-like undulations. The input light loss is high, which increases the number of required light sources such as lamps. Therefore, the increase in the input light amount also causes a considerable amount of heat generation at the light source installation end. In addition to the need to use expensive heat-resistant materials, there are cases where a heat dissipation mechanism must be installed. In addition, since the loss of the input irradiation light is high, when it is necessary to configure a large illuminated surface, it is not possible to obtain uniform planar illumination with only the input irradiation light for only the end side surface of the light guide plate. There are great difficulties in its design, such as uneven illumination.
【０００７】[0007]
本考案は、クリック式膜型キ−ボ−ドスイッチ本体上面に端部からの照射光を 均一な平面照射光に効率よく乱反射させる為の透過層を備えた導光用透光板を配 装し、この導光用透光板に於けるキ−ボ−ドスイッチ操作領域該当部位に透過性 スイッチ押釦を装着し、これらのスイッチ押釦及び導光用透光板上に所要の意匠 を施した操作表示シ−トを配装することにより、端部入力照射光を効率よく乱反 射させながら、良好なスイッチ操作性の確保と共に簡易且つ低コストな機構によ る輝度の高い操作パネル面照光機能を備えた照光式キ−ボ−ドスイッチを提供す るものである。 The present invention is provided with a light guide translucent plate having a transmissive layer on the upper surface of the main body of the click type film keyboard switch for efficiently diffusely reflecting the irradiation light from the end into a uniform plane irradiation light. Then, a transparent switch push button was attached to the relevant part of the keyboard switch operating area of this light guide transmissive plate, and the required design was made on these switch push buttons and the light guide translucent plate. By arranging the operation display sheet, it is possible to efficiently disperse the input light incident on the edge part, while ensuring good switch operability and illuminating the operation panel surface with high brightness by a simple and low-cost mechanism. It is intended to provide an illuminated keyboard switch having a function.
【０００８】 上記目的を達成する為に、本考案に係る照光式キ−ボ−ドスイッチでは、所要 数の固定接点パタ−ンを形成した絶縁ベ−スシ−トと、可撓性絶縁スイッチシ− トとを所要のスイッチ動作間隙を介して対向配置し、操作力の付与・解除に応じ て反転・復帰動して上記固定接点パタ−ンと接触・離間することによりスイッチ のオン・オフを行うと共にその開閉動作を感知させる為に上記スイッチ動作間隙 内に配装したクリック用金属板を備えるクリック式膜型キ−ボ−ドスイッチに於 いて、上記スイッチシ−ト上に配装した導光用透光板を有し、該導光用透光板の 両面にはこの透光板の屈折率より小さな屈折率を有する透過性薄膜層を備え、該 導光用透光板の上記スイッチ動作間隙の該当個所に穿設した透孔に装着された透 過性のスイッチ押釦を備え、該スイッチ押釦及び上記導光用透光板上面に配装し た操作表示シ−トとを具備し、上記透過性薄膜層の一部には上記操作表示シ−ト の表示部に対応する部位に上記透光板の屈折率より大きな屈折率を有する表示用 透過層を備えるように構成したものである。In order to achieve the above object, in the illuminated keyboard switch according to the present invention, an insulating base sheet having a fixed number of fixed contact patterns and a flexible insulating switch sheet are provided. -The switch is turned on and off by arranging it opposite to each other with a required switch operation gap, and reversing and returning according to application and release of operating force to contact and separate from the fixed contact pattern. In a click type membrane keyboard switch equipped with a metal plate for clicking installed in the switch operation gap in order to detect the opening / closing operation, a conductor installed on the switch sheet is used. The light-transmitting light guide plate is provided, and a transparent thin film layer having a refractive index smaller than that of the light-transmitting plate is provided on both surfaces of the light guide light-transmitting plate. The transparency attached to the through hole that was drilled at the relevant part of the operating gap. Switch push button, and the operation display sheet provided on the upper surface of the light guide translucent plate. The operation display sheet is provided on a part of the transparent thin film layer. The display transmissive layer having a refractive index higher than that of the translucent plate is provided at a portion corresponding to the display portion.
【０００９】[0009]
以下、図示の実施例を参照しながら本考案を更に詳細に説明する。図１を参照 すると、符号１から４はクリック式膜型キ−ボ−ドスイッチ本体を構成する各部 材であって、適宜なプラスチックフィルム等からなる絶縁ベ−スシ−ト１に対し ては、くし型等の所要の固定接点パタ−ン１Ａがその引き回し配線パタ−ンと共 に銅箔等に対するエッチング手段で任意形成され、この絶縁ベ−スシ−ト１は該 接点パタ−ン１Ａの形成領域にスイッチ動作間隙３Ａを与える為の透孔を有する 絶縁スペ−サ３を介して可撓性絶縁スイッチシ−ト２と対向配置され、また、操 作時にクリック感を与えるべくスイッチ動作間隙３Ａ内にはド−ム状など最適形 状に形成されたクリック用金属板４を配装し、後述のスイッチ押釦を介して行な われる操作力の付与・解除に応じて反転・復帰動して上記固定接点パタ−ン１Ａ と接触・離間することによりスイッチのオン・オフを行うと共にそのスイッチの 開閉動作を感知させる為のクリック式膜型キ−ボ−ドスイッチ本体を構成してあ る。 Hereinafter, the present invention will be described in more detail with reference to the illustrated embodiments. Referring to FIG. 1, reference numerals 1 to 4 are respective parts constituting the click type membrane keyboard switch main body, and for an insulating base sheet 1 made of an appropriate plastic film or the like, The required fixed contact pattern 1A such as a comb type is arbitrarily formed by etching means such as copper foil together with the routing wiring pattern, and the insulating base sheet 1 is formed with the contact pattern 1A. The flexible insulating switch sheet 2 is arranged to face the flexible insulating switch sheet 2 through an insulating spacer 3 which has a through hole for giving a switch operation gap 3A to the region, and a switch operation gap 3A is provided to give a click feeling during operation. Inside, a metal plate 4 for clicking, which is formed in an optimal shape such as a dome shape, is provided, and the metal plate 4 is inverted / returned in response to the application / release of an operation force performed via a switch push button described later. With the fixed contact pattern 1A A click-type membrane keyboard switch body is configured to turn on / off the switch by contact / separation and to detect the opening / closing operation of the switch.
【００１０】 このクリック式膜型キ−ボ−ドスイッチ本体の可撓性絶縁スイッチシ−ト２上 には、端部からの光源照射光を平面方向に照射させる為の透明なガラス板又はア クリル製樹脂板などからなる透過性に富む導光用透光板５を配装してあり、この 透光板５の上記スイッチ動作間隙３Ａに対応する個所に穿設した透孔５Ａには透 過性のスイッチ押釦７を上下方向に可動自在に装着し、該スイッチ押釦７はその 下面中央部に柱状の作用突起７Ａを備え、該作用突起７Ａは可撓性絶縁スイッチ シ−ト２を介して操作押圧力をクリック用金属板４の頂部に適正に付与して該ク リック用金属板４を確実に反転動作させるように機能する。On the flexible insulating switch sheet 2 of the main body of the click type film keyboard switch, a transparent glass plate or an aperture for irradiating light from a light source from the end in a plane direction is provided. A light-transmitting light-transmitting plate 5 having a high light-transmitting property such as a resin plate made of krill is provided, and the light-transmitting plate 5 has a transparent hole 5A formed at a position corresponding to the switch operation gap 3A. A temporary switch push button 7 is mounted movably in the vertical direction, and the switch push button 7 is provided with a columnar working protrusion 7A at the center of the lower surface thereof, and the working protrusion 7A interposes a flexible insulating switch sheet 2. The operation pressing force is properly applied to the top of the clicking metal plate 4 to function to surely invert the clicking metal plate 4.
【００１１】 ここで、導光用透光板５の両面には、該導光板５の屈折率と異なる屈折率をも つ透過性薄膜層６を形成し、その上面側薄膜層６の一部にはスイッチ押釦７と関 連して各スイッチを特定するための文字、記号又は図形等からなる表示用透過層 ６Ａを配設してある。そして、端部入力照射光を高い輝度で表示用透過層６Ａを 介して後述の操作表示シ−トの表示部に照光を与えるには、上記導光用透光板５ の屈折率をＮ1、透過性薄膜層６のそれをＮ2、また表示用透過層６Ａの屈折率を Ｎ3 とすると、これら屈折率の関係をＮ3 ＞Ｎ1＞Ｎ2に定めるのが好適である。Here, a transparent thin film layer 6 having a refractive index different from that of the light guide plate 5 is formed on both surfaces of the light guide transparent plate 5, and a part of the upper surface side thin film layer 6 is formed. A display transparent layer 6A, which is associated with the switch push button 7 and is formed of characters, symbols, or figures for identifying each switch, is provided on the display panel. Then, in order to illuminate the end input irradiation light with high brightness to the display section of the operation display sheet described later through the display transmissive layer 6A, the refractive index of the light guide transmissive plate 5 is set to N 1 When it permeable film layer 6 N 2, and also the refractive index of the display permeable layer 6A and N 3, it is preferable to determine the of refractive index relationship N 3> N 1> N 2 .
【００１２】 ８はこれらの導光用透光板５及びスイッチ押釦７の上面に配装され所望の意匠 表示を施した透過性操作表示シ−トであり、この表示シ−ト８には上記表示用透 過層６Ａに対応した位置に所要の操作表示部８Ａを印刷等の適宜手段で形成する 一方、スイッチ押釦７の位置に該当する個所には適宜エンボス加工部８Ｂを施す こも可能である。また、９は導光用透光板５の端部に隣接して配装された端部入 力照射光としてのランプ等の光源を示す。Reference numeral 8 denotes a transmissive operation display sheet provided on the upper surfaces of the light guide translucent plate 5 and the switch push button 7 and displaying a desired design, and the display sheet 8 has the above-mentioned items. A required operation display portion 8A is formed at a position corresponding to the display transparent layer 6A by an appropriate means such as printing, while an embossing portion 8B can be appropriately provided at a position corresponding to the position of the switch push button 7. . Reference numeral 9 denotes a light source such as a lamp as an end portion input irradiation light which is arranged adjacent to the end portion of the light guide translucent plate 5.
【００１３】 クリック式膜型キ−ボ−ドスイッチ本体は、クリック用金属板４を含めて、固 定接点パタ−ン１Ａ等の各構成部材を透明質に構成する必要はなく、従前の構造 に従って可及的安価に構成できる。In the click type membrane keyboard switch main body, it is not necessary to configure each constituent member such as the fixed contact pattern 1A including the click metal plate 4 to be transparent, and the conventional structure is used. Therefore, it can be configured as cheap as possible.
【００１４】 端部入力照射光としての光源９は透光板５の端部に隣接配置するので、スイッ チ押釦７を装着した透光板５及び操作表示シ−ト８のクリック式膜型キ−ボ−ド スイッチ本体に対する取付けは、ネジ止やクランプ手段又は光源９の装着兼用保 持具等で簡便に処理できる。Since the light source 9 as the end input irradiation light is arranged adjacent to the end of the light transmitting plate 5, the light transmitting plate 5 equipped with the switch push button 7 and the click type membrane key of the operation display sheet 8. The attachment to the board switch body can be easily performed by screwing, clamping means, a holding tool for the light source 9 or the like.
【００１５】 上記構造によれば、導光性透光板５の端部から導入された光源９による端部照 射光は、透光板５の両面に形成された薄膜層６に於いて略全反射を繰返しながら 透光板５の内部に一様に拡散する一方、透過性スイッチ押釦７及びその作用突起 ７Ａの各部位に於いて好適な乱反射を生じ、これらの乱反射光によって操作表示 シ−ト８の全面が内方から均一に照光されると共に、表示用透過層６Ａを介して 操作表示部８Ａは高い輝度で内部照光を受ける。従って、操作表示シ−ト８面の 各操作表示部８Ａの選択的識別は容易となり、これによって特定したエンボス加 工部８Ｂに対する押圧力の付与・解除操作に応じてスイッチ押釦７を介して図の 構造によるクリック感の伴った膜型キ−ボ−ドスイッチのオン・オフ動作を確実 に達成できる。According to the above structure, the end light emitted by the light source 9 introduced from the end of the light-transmitting translucent plate 5 is substantially entirely in the thin film layers 6 formed on both surfaces of the translucent plate 5. While repeating the reflection, the light is uniformly diffused inside the transparent plate 5, while suitable diffused reflection is generated in each part of the transparent switch push button 7 and its action projection 7A, and the diffused reflected light causes the operation display sheet. The entire surface of 8 is uniformly illuminated from the inside, and the operation display unit 8A is internally illuminated with high brightness through the display transmission layer 6A. Therefore, it becomes easy to selectively identify each operation display portion 8A on the operation display sheet 8 surface, and accordingly, the switch push button 7 is operated through the switch push button 7 according to the operation of applying / releasing the pressing force to the specified embossing processing portion 8B. With this structure, the on / off operation of the membrane type keyboard switch with a click feeling can be reliably achieved.
【００１６】 斯かるスイッチ操作に於いて、透過性スイッチ押釦７の作用突起７Ａは、該押 釦７の上面に相当するエンボス加工部８Ｂの中央部に限らず、その端部に加えら れたような押圧力の際でも、これをスイッチの最適個所に作用させるので、この 種の膜型キ−ボ−ドスイッチの場合に問題となる入力操作ミスを良好に低減する 一方、該作用突起７Ａは押釦本体の存在下に上記乱反射光の好適な集光機能と相 俟ってエンボス加工部８Ｂに対する照光作用に有効に寄与することとなり、従っ て、操作表示部の高輝度照光と共に操作パネル面照光機能による選択操作性の向 上と共にスイッチ入力操作処理の確実化を図れる。In such a switch operation, the action projection 7A of the transparent switch push button 7 is added not only to the central portion of the embossed portion 8B corresponding to the upper surface of the push button 7 but also to its end portion. Even when such a pressing force is applied, this is applied to the optimum position of the switch, so that the input operation error, which is a problem in the case of the membrane type keyboard switch of this kind, can be satisfactorily reduced. In the presence of the push button body, in combination with the suitable function of collecting the diffused reflection light, it effectively contributes to the illumination effect on the embossed portion 8B, and accordingly, the high brightness illumination of the operation display portion and the operation panel surface are provided. It is possible to improve the selection operability by the illumination function and ensure the switch input operation processing.
【００１７】[0017]
本考案の照光式キ−ボ−ドスイッチは、クリック式膜型キ−ボ−ドスイッチの 上面部位に光全反射を効率よく助勢する透過性薄膜層を形成した導光用透光板を 配装し、また、導光用透光板には透過性スイッチ押釦を装着するように構成して あるので、該透光板の端部に隣接配置した光源による端部入力照射光を好適に乱 反射させながら操作表示シ−トに対する透過光減衰度を最小化して低電力の入力 照射光で、従って設置光源数の低減を図りながら面積の大きな製品であっても照 光効率の極めて高い均一な照光を行なえる操作パネル面照光構造を簡易に製作で きる。 The illuminated keyboard switch of the present invention has a light guide translucent plate formed on the upper surface of the click type film keyboard switch with a transmissive thin film layer that efficiently assists total light reflection. Since the light guide translucent plate is equipped with a transmissive switch push button, the end input irradiation light from the light source disposed adjacent to the end of the translucent plate is preferably disturbed. It is a low power input irradiation light that minimizes the transmitted light attenuation to the operation display sheet while reflecting, thus reducing the number of installed light sources and achieving a high illumination efficiency even with a large area. The operation panel surface illumination structure that can perform illumination can be easily manufactured.
【００１８】 導光用透光板の両面に形成した透過性薄膜層の一部に該透光板の屈折率より大 きな屈折率をもつ表示用透過層を形成したので、斯かる表示用透過層に対応した 操作表示シ−トの表示部を他の部分より高い輝度で照光可能となるので、スイッ チの選択識別性を更に高めることが出来る。Since a transparent layer for display having a refractive index larger than that of the transparent plate is formed on a part of the transparent thin film layers formed on both surfaces of the transparent plate for light guiding, Since it is possible to illuminate the display portion of the operation display sheet corresponding to the transparent layer with higher brightness than other portions, it is possible to further enhance the selective identification of the switch.
【００１９】 導光用透光板の端部に設置する入力光源個数を低減できるので、これらの光源 による発熱を抑制でき、従って、導光用透光板の素材に安価な材料を使用して大 面積の製品でも低コストに構成できる。Since the number of input light sources installed at the end of the light guide transmissive plate can be reduced, heat generation by these light sources can be suppressed. Therefore, an inexpensive material is used for the light guide transmissive plate. Even large-area products can be constructed at low cost.
【００２０】 導光用透光板及び透過性スイッチ押釦を備える操作パネル面照光構造は、クリ ック式膜型キ−ボ−ドスイッチ本体上面に配装してあるので、斯かる照光機構に 制約されることなく膜型キ−ボ−ドスイッチ内にオン・オフ動作と確実に一致す るクリック機能を任意に付与でき、従って、仕様に高い融通性を以って対応可能 である。The operation panel surface illumination structure including the light guide translucent plate and the transmissive switch push button is mounted on the upper surface of the click type membrane type keyboard switch body, so that the illumination mechanism is provided. A click function that matches the on / off operation can be arbitrarily added to the membrane type keyboard switch without being restricted, and thus it is possible to meet the specifications with high flexibility.
【００２１】 導光用透光板は表面の操作表示シ−トと協働してクリック式膜型キ−ボ−ドス イッチ本体の保護機能も兼ねるので、不測の外圧等による膜型キ−ボ−ドスイッ チ本体の損傷又は破損等を好適に防止できると共に、操作表示シ−トによる表面 密閉構造であるので、水等の流体の侵入やその他の塵埃の侵入等を阻止して動作 信頼性を安定に確保できる。Since the light guide translucent plate also functions as a protection function for the click type membrane type keyboard switch body in cooperation with the operation display sheet on the surface, the membrane type keyboard due to unexpected external pressure or the like. -The damage or breakage of the switch body can be properly prevented, and the operation display sheet has a surface-sealed structure, which prevents the ingress of fluids such as water and other dust and the like to improve the operation reliability. It can be secured stably.
【００２２】 操作パネル面照光構造と透過性のスイッチ押釦の装着により、操作表示部の選 択的識別性とスイッチ操作性とを両立下に格段に改善してスイッチ入力操作を確 実に処理できる。By mounting the operation panel surface illumination structure and the transparent switch push button, the switch input operation can be accurately processed by significantly improving both the selective identification of the operation display unit and the switch operability.
【００２３】 端部入力照射用光源を導光用透光板の端部に隣接させて集約的に設置できる構 造と相俟って製作及び組立が容易であり、また、機器等に対する実装処理も簡便 に行なえる。Combined with the structure in which the light source for edge input irradiation is adjacently installed to the edge of the light guide transmissive plate, the manufacturing and assembling are easy, and the mounting process for the device is performed. Can be done easily.
【００２４】 従って、信頼性並びに耐久性の優れた高機能実用型照光式キ−ボ−ドスイッチ を低コストに提供できる。Therefore, it is possible to provide a highly functional and practical illuminated key board switch having excellent reliability and durability at low cost.
【図１】 本考案の一実施例に従って膜型キ−ボ−ドス
イッチ本体に反射効率の高い導光用透光板とクリック機
能を具備させて操作パネル面照光構造を構成した照光式
キ−ボ−ドスイッチの概念的な要部断面構成図。FIG. 1 is a diagram showing an illumination key according to an embodiment of the present invention, in which a film type keyboard switch body is provided with a light guide transmissive plate having high reflection efficiency and a click function to form an operation panel surface illumination structure. FIG. 3 is a conceptual cross-sectional configuration diagram of a main part of a board switch.
１ 絶縁ベ−スシ−ト １Ａ 固定接点パタ−ン ２ 可撓性スイッチシ−ト ３ 絶縁スペ−サ ３Ａ スイッチ動作間隙 ４ クリック用金属板 ５ 導光用透光板 ５Ａ 押釦装着用透孔 ６ 透過性薄膜層 ６Ａ 表示用透過層 ７ スイッチ押釦 ７Ａ 作用突起 ８ 操作表示シ−ト ８Ａ 操作表示部 ８Ｂ エンボス加工部 ９ 端部入力照射光源 1 Insulation base sheet 1A Fixed contact pattern 2 Flexible switch sheet 3 Insulation spacer 3A Switch operation gap 4 Metal plate for click 5 Light transmission plate for light guide 5A Hole for push button installation 6 Transmission Thin film layer 6A Display transparent layer 7 Switch push button 7A Working protrusion 8 Operation display sheet 8A Operation display section 8B Embossing section 9 Edge input irradiation light source
Claims (1)
縁ベ−スシ−トと、可撓性絶縁スイッチシ−トとを所要
のスイッチ動作間隙を介して対向配置し、操作力の付与
・解除に応じて反転・復帰動して上記固定接点パタ−ン
と接触・離間することによりスイッチのオン・オフを行
うと共にその開閉動作を感知させる為に上記スイッチ動
作間隙内に配装したクリック用金属板を備えるクリック
式膜型キ−ボ−ドスイッチに於いて、上記スイッチシ−
ト上に配装した導光用透光板を有し、該導光用透光板の
両面にはこの透光板の屈折率より小さな屈折率を有する
透過性薄膜層を備え、該導光用透光板の上記スイッチ動
作間隙の該当個所に穿設した透孔に装着された透過性の
スイッチ押釦を備え、該スイッチ押釦及び上記導光用透
光板上面に配装した操作表示シ−トとを具備し、上記透
過性薄膜層の一部には上記操作表示シ−トの表示部に対
応する部位に上記透光板の屈折率より大きな屈折率を有
する表示用透過層を備えるように構成したことを特徴と
する照光式キ−ボ−ドスイッチ。1. An operating force is provided by arranging an insulating base sheet having a required number of fixed contact patterns and a flexible insulating switch sheet facing each other through a required switch operation gap.・ Clicks placed in the switch operation gap to detect the open / close operation and switch on / off by contacting / separating from the fixed contact pattern by reversing / returning depending on the release In a click type membrane type keyboard switch equipped with a metal plate for
A light-transmitting light-transmitting plate disposed on the light guide plate, and a light-transmitting thin film layer having a refractive index smaller than that of the light-transmitting plate is provided on both surfaces of the light-transmitting light-transmitting plate. A transparent switch push button mounted in a through hole formed at a corresponding position in the switch operation gap of the light transmitting plate for a vehicle, and an operation display sheet provided on the switch push button and the upper surface of the light guiding transparent plate. And a display transmissive layer having a refractive index larger than that of the translucent plate at a portion corresponding to the display portion of the operation display sheet, at a part of the transmissive thin film layer. Illuminated keyboard switch characterized in that
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1994009284U JP2567727Y2 (en) | 1994-07-07 | 1994-07-07 | Illuminated keyboard switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1994009284U JP2567727Y2 (en) | 1994-07-07 | 1994-07-07 | Illuminated keyboard switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0732825U true JPH0732825U (en) | 1995-06-16 |
| JP2567727Y2 JP2567727Y2 (en) | 1998-04-02 |
Family
ID=18528997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1994009284U Expired - Lifetime JP2567727Y2 (en) | 1994-07-07 | 1994-07-07 | Illuminated keyboard switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2567727Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010015995A (en) * | 2005-06-28 | 2010-01-21 | Samsung Electronics Co Ltd | Keypad assembly for mobile terminal |
-
1994
- 1994-07-07 JP JP1994009284U patent/JP2567727Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010015995A (en) * | 2005-06-28 | 2010-01-21 | Samsung Electronics Co Ltd | Keypad assembly for mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2567727Y2 (en) | 1998-04-02 |
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