201113921 - 六、發明說明： 【發明所屬之技術領域】 本發明涉及一種連接或設於電腦、行動電話等電子裝置的輸 入裝置，特別是一種具有發光功能的鍵盤。 【先前技術】 早期的筆記型或桌上型電腦的鍵盤都是無法發光的’但隨著 • 背光模組技術的進步，已有廠商在鍵盤設置發光裝置，讓鍵盤本 身除了具備照明效果，也同時兼具裝飾作用。 習知的發光鍵盤，包括有按鍵模組和背光模組，該按鍵模組 具有一底板，底板上面設置可以相對於底板上下運動的至少一可 透光按鍵，背光模朗設置在按_組下方，並與按鍵模組固定。 藉此，背光模組可從按鍵模組下方提供光源，光線往上穿出可透 光的按鍵而使按鍵產生發光效果。由於電子產品具有輕薄短小的 鲁發展趨勢，故齡的發細触了提供_發光效果外，還同時 兼顧縮小鍵盤厚度的要求。 習知技術提供-種薄型鮮鍵盤，其結構包括設置於一底板 上的電路基板及—透，透明板上設置-導光板，以及光源， -電路基板紐連接。光源可從導光板側邊投射光線進入導光 板；—具有複數鍵帽的外膜片，設於鍵盤之最外層。當外膜片上 的其中一個鍵帽受到按壓時，鍵帽經由對應的彈片按壓電路基板 的薄膜開關’藉以輸出一按鍵訊號。其中’底板與電路基板具 201113921 有一反射片’因此光源發出的部分光線可以由底板反射通過電路 基板，再穿出導光板與外膜片，以呈現出發光效果。 然而’由於電路基板的透光性均較差，再加上反射的光線必 須通過上述多個不同介質，最後才穿出外膜片 ，以致於反射出外 膜片的光量大幅減弱，降低了整個鍵盤的發光效率。 【發明内容】 本發明的目的，在於解決前述習知發光鍵盤的結構，因為光 線穿出導光板之前受聰錯質喊，導致絲最财出按鍵時 降低出光1而使得整個鍵盤的發光效率無法進一步提昇的問題。 本發明的特徵，係在發光鍵盤包含的背光模組中，將反射元 件直接设於導光板相對於出光面的背面，電路基板則設於反射元 件相對於其反射_背面，II此，光源從導光板側邊投射進入導 光板後，_反射元件直接將絲反料出導光板與按鍵部，使 反射光受職少數量之介質_擋，達顺昇魏部出光量的效 果。 本發明提供之健’其麟手段倾供—按鍵歡與一背光 模組’其中的按鍵模組包含有一可透光之按鍵部與一電路基板， 背光模組包含有-導光板、一反射元件與至少一光源·背光模組 係設於按鍵频f路基板之間，使導输”絲躺按鍵部， 反射元件朝向導光板姆於出光_ f H源·連接於電路 基板，並使光源面對導歧側邊的人光面，統财後發出的光 201113921 气 線從側邊投射進入導光板，利用反射元件將光線直接反射通過導 光板與按鍵部，藉以減少光線受到過多介質阻礙而增加穿出按鍵 部的光量。 本發明提供的發光鍵盤，其包含的按鍵模組適用於具有複數 鍵帽的撓性按鍵膜片。 本發明提供的發光㈣，其包含之背光模組，係採用發光二 極體(LED)做為光源，藉以減小背光模組以及整體鍵盤的體積。 本發明提供的發光鍵盤，係進一步將按鍵模組與背光模組共 同設於一底座。 在一實施例中，本發明可以在背光模組之導光板與反射元件 分別設置複數個對應的貫穿孔與通孔，對應的貫穿孔與通孔中則 e又置一彈片，以及在按鍵部的背面設置複數對應該彈片位置的突 部，藉以在按壓鍵帽時，利用突部對彈片施加作用力而變形，進 而觸動電路開關產生一按鍵訊號。 在-實施财’本發明可以在#光模組之反射元件設置複數 個通孔’將-彈片設於通孔中，並使彈片連接於導光板的背面， 以及在按鍵部的背面設置複數對應轉#位置的突部，藉以在按 壓鍵帽時，_突部對彈片施加侧力而變形，進而觸動電路開 關產生一按鍵訊號。 在-實施例中’本發明可以在背光模組中將複數彈片連接於 反射元件對應該則位置，以及在導歧的背面設置複數個對應 該彈片位㈣突部’藉以在按壓_時，利用突部對彈片施加作 5 201113921 用力而變形，進而觸動電路開關產生一按鍵訊號。 【實施方式】 以下配合圖式及元件符號對本發明的實施方式做更詳細的說 明，俾使熟習該項技術領域者在研讀本說明書後能據以實施。 第一圖與第二圖係顯示本發明提供的發光鍵盤之第一實施 例’包括有一按鍵模組1與一背光模組2 ;其中，按鍵模組1進一 籲步包含有一按鍵部11與一電路基板12 ;按鍵部11可以是一種具 有撓性’且在上表面設有複數鍵帽丨丨1 ’下表面設有複數突部112 的按鍵膜片110,該按鍵膜片110可以是熱塑性聚胺基甲酸脂 (Thermoplastic p〇iyurethane ’ τρυ)材料製造的薄膜；突部 u2 可以採用相同或不相同於按鍵薄膜UG的材料；按鍵部n是採用 可乂透光的材料製造，並在鍵帽的表面設置鍵盤預定的字型、圖 案或符號。 參閱第三圖所示’為第一圖所示之電路基板12的A部分局 放大圖的結構，包括有—上膜片⑵、—下則122與一絕、⑽ 123，絕緣層123夹設於上則⑵與下則122之間；下膜片1: 面對上膜121的表面設有—下電極126，上則i2i面對下膜 122的表面設有一上電極125，·絕緣請設有-洞孔124，部, ^電極125與部分下電極126暴露於洞孔124 ;對應於洞孔124 =電極125與下電極126係共同構成—薄膜嶋 係在第三__—細U24，並以—個薄侧12 201113921 明，在實際應用的實施例’絕緣層123係具有多個洞孔124，且每 洞孔124力別對應-上電極125貞一下電極126而構成複數個 薄膜開關120。當上膜片121受到按壓致使上電極ι25通過洞孔 124接觸下電極126時，即形成電性通路而輸出按鍵訊號。 再參閲第-圖、第二圖及第三圖所示，本發明發光鍵盤包含 的月光核組2 ’具有-撓性的導光板21、—撓性的反射元件^與 -光源23 ;在本發明的較佳實施例中，光源23是一種發光二極體 參（LED);導歧21係財良好導紐_絲㈣製成具有 -適當厚度的平板狀，將其至少—側邊做為人光面⑴，一平面為 出光面212，相對於出光面212的另一面為背面213 ;導光板21 可以設置複數個對應電路基板i 2上之電路開關J 2〇位置的貫穿孔 215。反射元件22可以是一種膜片’其至少一側面為可以反射光 線的反射面222，該反射面222可以是白色，也可以是鏡面，或是 任何-種適合於反光的表面；反射元件22設有複數個對應於貫穿 孔215的通孔221。在每-對應的貫穿孔215與通孔221内分別設 置一彈片24。彈片24若是設於貫穿孔215與通孔221内時，可以 黏著劑或其他黏著元件黏合固定貫穿孔215、通孔221與彈片Μ; 或是不設置黏著劑或其他黏著元件，直接使彈片24在貫穿孔215 與通孔221中呈可活動狀態。前述導光板21的背面213 ^反射元 件222之反射面222之間可以使用黏著劑或其他黏著元件相互黏 合’也可以不使用黏著劑或其他黏著元件黏合。 本發明還提供一底座3，底座3包含有一底部31，以及連接 201113921 於底部31側邊並往上方延伸的側壁32。前述按鍵模組1與背光模 組2係安裝於底座3的底部31上，並藉由側壁32限制按鍵模組1 與月光模組2的周邊，以構成一可以發光的按鍵裝置。其組裝的 方式係先將電路基板12設置於底部31上，然後將反射元件22設 於導光板21的背面213，使貫穿孔215與通孔221對應，將導光 板21與反射元件22 於底部31上，再分別於對應的貫穿孔 215與通孔221内設置一彈片24,使每一彈片24分別對應於一電 路開關120 ’電性連接於電路基板12的光源23則對應於導光板 21之入光面211 ;最後，將按鍵部11安裝於導光板21上，使按 鍵部11的底部面向出光面212 ;在本發明採用上表面具有複數鍵 帽111的按鍵膜片110做為實施例時，係使按鍵膜片11〇包覆住 底座3的側壁32與部份底部31。 當使用者操作按鍵部11而按壓鍵帽⑴時，鍵帽⑴下面的 突部m將觸及導光板21與反射元件22，進而壓迫彈片24變形 以及將作用力傳導至電路基板12的上膜片121而使上電極既通 過洞孔124與下電極126接觸形成電性通路，以輸出-按鍵訊號； 當放開施力於鍵帽111上的作用力時，則被壓縮的彈片24將反射 元件22與導光板21彈起，使反航件22、導光板2ι及按鍵部 11回復原位，電路基板12的上膜片121也利用其本身的彈性同時 回復原狀，使得上電極125與下電極126分離而形成電性斷路。 光源23被_流而發光時，_____入光面 [S] 211投射進入導光板21傳導，光線可直接穿出出光面212與按鍵 8 201113921 部11，再者光線可由反射元件22的反射面222反射穿過出光面 212與按鍵部U ’在光線受到最少介質阻礙的條件下讓光量獲得 最大的輸出，因而提高按鍵裝置的發光效率。 第四圖與第五圖係顯示本發明發光鍵盤的第二實施例，係具 有大致上相似於前述第一實施例的結構；惟，其中，反射元件22 的月面攻置複數個對應電路基板12之電路開關12〇位置的彈片 24 ’彈片24與反射耕22的組合方式，可以黏著劑或其他黏著 元件將彈24直接黏貼於反射元件&的背面。反射元件22可以 疋-種膜片’其至少一侧面為可以反射光線的反射面222。導光板 21的背面213則設置複數個對應彈片24位置的突部214。前述導 光板21的出光面212與按鍵部hi的下表面之間可以使用黏著劑 或其他黏著元件相絲合，也可以不使雜著贼其他黏著元件 黏合。 所述第二實施例的按鍵模組！與背光模植2係安裝於底座3 的底部31上’並藉由側壁32限制按鍵模組j與背光模組2的周 邊’以組構成-可以發光的按鍵裝置。其_的方式係先將電路 基板12設置於底部31上’然後將已設置彈片％的反射元件泣 »又於電路基板12上’使各個彈片24分別對應於—電路開關12〇， 再將導光板21設於反射元件22上，使反射面微朝向導光板21 的背面213，電性連接於電路基板12的光源23則對應於導光板 21之入光面211 ;最後，將按鍵部^安裝於導光板21上使按 鍵部11的下表面朝向出光面212。 201113921 當使用者操作按鍵部11而按壓鍵帽111時，鍵帽lu下面將 觸及導光板21，進而使突部214壓迫反射元件22下方的彈片24 變形，以及將作用力傳導至電路基板12而觸動電路開關12〇形成 電性通路，以輸出一按鍵訊號；當放開施力於鍵帽lu上的作用 力時，則被壓縮的彈片24將反射元件22與導光板21彈起，使反 射元件22、導光板21及按鍵部11回復原位’電路開關12〇亦利 用其本身的彈性同時回復原狀形成電性斷路。 第六圖與第七圖係顯示本發明發光鍵盤的第三實施例，係具 有大致上相似於前述第一實施例的結構；惟，其中反射元件22設 有複數個對應電路基板12之電路開關120位置的通孔221 ,通孔 221内則設置一彈片24，並使彈片24連接於導光板21的背面 213。反射元件22可以是-種膜片，其至少一面為可以反射光線 的反射面222。彈片24設於通孔221内時，可以黏著劑或其他黏 著元件在通孔221與彈片24之間黏合固定；或是不設置黏著劑或 其他黏著元件，直接使彈片24穿過通孔221後連接於導光板21 的背面。導光板21的背面213與反射元件222之反射面戬之間 可以使用黏著·其他黏著元件相合，也可以不使用黏著劑 或其他黏著元件黏合。 所述第三實施例的按鍵模組！與背光模組2係安裝於底座3 的底4 31上’並藉由侧壁32限制按鍵模組丨與背光模組2的周 邊’以構成—可以發光_餘置。其喊的方式，係先將反射 轉22設於導光板21的背面213，再於背面213對應通· 10 201113921 的位置以黏著劑或其他黏紅件將―彈片24分別黏合於對應通孔 221的導光板21的背面213，再將組合完成的反射元件22與導光 板1起叹於電路基板12上，使各個彈片24分別對應於一電路 開關12G,預先電财接於電路基板12的光源⑸麟應於導光板 21之入光面211 ;最後，將按鍵部u安袭於導光板21上，使按 鍵部11的底部面向出光面Μ〗。 田使用者操作&鍵部U而按廢鍵帽⑴時，鍵帽⑴下面的 突部112將壓追撓性的導光板21與反射元件22，進而使彈片24 變形並觸動電路開關⑽形成電性通路，以輸出—按鍵訊號；當 放開她力於谢s 111上的侧力時，則被_的彈片24將反射元 件22與導光板21彈起，使反射元件22、導歧μ及按鍵部u 回復原位，電路開關12〇亦利用其本身的彈性同時回復原狀形成BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an input device connected or provided in an electronic device such as a computer or a mobile phone, and more particularly to a keyboard having a light-emitting function. [Prior Art] The keyboards of early notebook or desktop computers could not be illuminated. 'But with the advancement of backlight module technology, manufacturers have set up lighting devices on the keyboard to make the keyboard itself have lighting effects. At the same time, it has a decorative effect. The conventional illuminated keyboard includes a button module and a backlight module. The button module has a bottom plate. The bottom plate is provided with at least one light transmissive button that can move up and down relative to the bottom plate. The backlight module is disposed under the group _ And fixed with the button module. Thereby, the backlight module can provide a light source from under the button module, and the light passes through the permeable button to make the button emit light. Due to the trend of thin, light and short electronic products, the age of the hair has provided a _lighting effect, while also taking into account the requirements for reducing the thickness of the keyboard. The prior art provides a thin type of fresh keyboard, the structure comprising a circuit board disposed on a bottom plate and a transparent plate, a light guide plate, and a light source, and a circuit board connection. The light source can project light from the side of the light guide plate into the light guide plate; the outer film with a plurality of key caps is disposed on the outermost layer of the keyboard. When one of the keycaps on the outer diaphragm is pressed, the keycap presses the membrane switch' of the circuit substrate via the corresponding elastic to output a button signal. The 'backplane and circuit substrate has a reflective sheet'. Therefore, part of the light emitted by the light source can be reflected by the substrate through the circuit substrate, and then the light guide plate and the outer film can be passed out to exhibit a luminous effect. However, due to the poor light transmittance of the circuit substrate, the reflected light must pass through the above-mentioned multiple different media, and finally the outer diaphragm is worn out, so that the amount of light reflected off the outer diaphragm is greatly reduced, reducing the entire keyboard. Luminous efficiency. SUMMARY OF THE INVENTION The object of the present invention is to solve the structure of the conventional illuminating keyboard, because the light is shouted before the light guide plate is worn out, causing the light to be reduced when the button is most out of the button, so that the luminous efficiency of the entire keyboard cannot be achieved. Further improvement issues. The feature of the present invention is that in the backlight module included in the illuminated keyboard, the reflective component is directly disposed on the back surface of the light guide plate relative to the light exiting surface, and the circuit substrate is disposed on the reflective component relative to the reflective surface thereof, and the light source is After the side of the light guide plate is projected into the light guide plate, the _reflecting element directly reflects the wire out of the light guide plate and the button portion, so that the reflected light is subjected to a small amount of medium _ block, and the effect of the light output amount of the Shunsheng Wei part is achieved. The button module of the present invention includes a light-transmissive button portion and a circuit substrate, and the backlight module includes a light guide plate and a reflective component. And at least one light source and backlight module is disposed between the key frequency f-base substrate, and the light-conducting "wire-receiving button portion, the reflective element is directed toward the light guide plate, and the light source surface is connected to the circuit board, and the light source surface is connected On the side of the guide's side, the light emitted by the unified financial 201113921 gas line is projected from the side into the light guide plate, and the light is directly reflected by the light guide plate and the button portion by the reflective element, thereby reducing the light to be hindered by the excessive medium. The light-emitting keyboard provided by the present invention is provided with a button module suitable for a flexible button film having a plurality of key caps. The light-emitting device provided by the present invention (4) includes a backlight module that uses light. The LED (LED) is used as a light source to reduce the volume of the backlight module and the overall keyboard. The illuminated keyboard provided by the present invention further includes the button module and the backlight module. In an embodiment, the present invention can respectively provide a plurality of corresponding through holes and through holes in the light guide plate and the reflective element of the backlight module, and a corresponding elastic piece is disposed in the corresponding through hole and the through hole, and The back surface of the button portion is provided with a plurality of protrusions corresponding to the position of the spring piece, so that when the key cap is pressed, the protrusion is applied to the elastic piece to deform, and then the circuit switch is activated to generate a button signal. #光模块的反射元件 The plurality of through holes are provided in the through hole, and the elastic piece is connected to the back surface of the light guide plate, and a plurality of protrusions corresponding to the position of the turn position are arranged on the back side of the button portion, thereby When the keycap is pressed, the protrusion is deformed by applying a lateral force to the elastic piece, and then the circuit switch is activated to generate a button signal. In the embodiment, the present invention can connect the plurality of elastic pieces to the reflective element in the backlight module. And on the back of the guide, a plurality of corresponding spring positions (four) protrusions are used, so that when the pressure is pressed, the protrusions are applied to the elastic pieces for deformation. The touch circuit switch generates a button signal. [Embodiment] The embodiments of the present invention will be described in more detail below with reference to the drawings and the component symbols, so that those skilled in the art can implement the present invention after the study. The first embodiment of the illuminated keyboard provided by the present invention includes a button module 1 and a backlight module 2; wherein the button module 1 includes a button portion 11 and a circuit substrate. 12; The button portion 11 may be a button film 110 having a flexible 'and a plurality of key caps 112 on the upper surface and a plurality of protrusions 112 on the lower surface, the button film 110 may be a thermoplastic polyamine group a film made of a thermoplastic p〇iyurethane ' τρυ material; the protrusion u2 may be made of the same or different material than the button film UG; the button portion n is made of a material that is transparent to light and is on the surface of the key cap Set the font, pattern, or symbol that the keyboard is scheduled for. Referring to the third figure, the structure of the enlarged portion A of the circuit board 12 shown in the first figure includes an upper diaphragm (2), a lower 122 and a permanent, (10) 123, and an insulating layer 123. Between the upper (2) and the lower 122; the lower diaphragm 1: the surface facing the upper film 121 is provided with a lower electrode 126, and the upper surface of the lower surface of the lower film 122 is provided with an upper electrode 125, and the insulating layer is provided. a hole 124, a portion, a ^ electrode 125 and a portion of the lower electrode 126 are exposed to the hole 124; corresponding to the hole 124 = the electrode 125 and the lower electrode 126 are formed together - the film is tied to the third __-fine U24, In the embodiment of the practical application, the insulating layer 123 has a plurality of holes 124, and each hole 124 has a corresponding force-upper electrode 125 and an electrode 126 to form a plurality of membrane switches. 120. When the upper diaphragm 121 is pressed so that the upper electrode ι25 contacts the lower electrode 126 through the hole 124, an electrical path is formed to output a button signal. Referring again to the first, second and third figures, the illuminated keyboard of the present invention comprises a moonlight core set 2' having a flexible light guide plate 21, a flexible reflective element and a light source 23; In a preferred embodiment of the present invention, the light source 23 is a light-emitting diode (LED); the guide 21 is a good guide wire - the wire is made of a flat plate having a suitable thickness, and at least the side is made For the human glossy surface (1), one plane is the light exit surface 212, and the other surface opposite to the light exit surface 212 is the back surface 213; the light guide plate 21 may be provided with a plurality of through holes 215 corresponding to the position of the circuit switch J2 on the circuit board i2. The reflective element 22 can be a diaphragm whose at least one side is a reflective surface 222 that can reflect light. The reflective surface 222 can be white, mirrored, or any surface suitable for reflection; the reflective element 22 is provided. There are a plurality of through holes 221 corresponding to the through holes 215. A spring piece 24 is disposed in each of the corresponding through holes 215 and the through holes 221, respectively. If the elastic piece 24 is disposed in the through hole 215 and the through hole 221, the adhesive hole or the other adhesive element may be adhered to fix the through hole 215, the through hole 221 and the elastic piece Μ; or the adhesive or other adhesive element is not provided, and the elastic piece 24 is directly provided. It is movable in the through hole 215 and the through hole 221. The back surface 213 of the light guide plate 21 and the reflective surface 222 of the reflective member 222 may be adhered to each other by an adhesive or other adhesive member. Alternatively, the adhesive may be adhered without using an adhesive or other adhesive member. The present invention also provides a base 3 having a base 31 and a side wall 32 that connects the 201113921 to the side of the bottom 31 and extends upward. The button module 1 and the backlight module 2 are mounted on the bottom 31 of the base 3, and the periphery of the button module 1 and the moonlight module 2 are restrained by the side wall 32 to form a button device that can emit light. The method of assembling the circuit board 12 is first disposed on the bottom portion 31, and then the reflective member 22 is disposed on the back surface 213 of the light guide plate 21, so that the through hole 215 corresponds to the through hole 221, and the light guide plate 21 and the reflective member 22 are at the bottom. A spring piece 24 is disposed on the corresponding through hole 215 and the through hole 221, and each of the spring pieces 24 corresponding to a circuit switch 120' electrically connected to the circuit board 12 is corresponding to the light guide plate 21. Finally, the button portion 11 is mounted on the light guide plate 21 such that the bottom portion of the button portion 11 faces the light exit surface 212. In the present invention, the button diaphragm 110 having the plurality of key caps 111 on the upper surface is used as an embodiment. When the button diaphragm 11 is covered, the side wall 32 of the base 3 and the partial bottom portion 31 are covered. When the user operates the button portion 11 and presses the key cap (1), the protrusion m under the key cap (1) will touch the light guide plate 21 and the reflective member 22, thereby compressing the elastic piece 24 and transmitting the force to the upper diaphragm of the circuit substrate 12. 121, the upper electrode contacts the lower electrode 126 through the hole 124 to form an electrical path to output a button signal; when the force applied to the key cap 111 is released, the compressed spring 24 reflects the component. 22 and the light guide plate 21 bounce, the returning member 22, the light guide plate 2, and the button portion 11 are returned to the original position, and the upper diaphragm 121 of the circuit substrate 12 is also restored to its original state by its own elasticity, so that the upper electrode 125 and the lower electrode 126 separates to form an electrical circuit. When the light source 23 is _flowed to emit light, the _____ light-incident surface [S] 211 is projected and guided into the light guide plate 21, and the light can directly pass through the light-emitting surface 212 and the button 8 201113921 portion 11, and the light can be reflected by the reflective member 22 The reflection of 222 through the light exit surface 212 and the button portion U' maximizes the amount of light under the condition that the light is blocked by the minimum medium, thereby improving the luminous efficiency of the button device. The fourth and fifth figures show a second embodiment of the illuminated keyboard of the present invention, which has a structure substantially similar to that of the first embodiment described above; however, wherein the moon surface of the reflective element 22 taps a plurality of corresponding circuit substrates 12 circuit switch 12 的 position of the shrapnel 24 'The combination of the shrapnel 24 and the reflective plough 22, the adhesive 24 or other adhesive element can be directly adhered to the back of the reflective element & The reflective element 22 can have a reflective surface 222 on which at least one side of the diaphragm can reflect light. The back surface 213 of the light guide plate 21 is provided with a plurality of protrusions 214 corresponding to the positions of the elastic pieces 24. The light-emitting surface 212 of the light guide plate 21 and the lower surface of the button portion hi may be bonded together by an adhesive or other adhesive member, or may be adhered to other adhesive members of the thief. The button module of the second embodiment! The backlight module 2 is mounted on the bottom 31 of the base 3 and is configured by the side walls 32 to limit the circumference of the button module j and the backlight module 2 to form a light-emitting button device. The way is to first set the circuit substrate 12 on the bottom 31 'and then set the resilience elements of the shrapnel % to the bottom of the circuit board 12 and make the respective shrapnel 24 correspond to the circuit switch 12 〇, and then guide The light plate 21 is disposed on the reflective element 22 such that the reflective surface is slightly directed toward the back surface 213 of the light guide plate 21, and the light source 23 electrically connected to the circuit substrate 12 corresponds to the light incident surface 211 of the light guide plate 21; finally, the button portion is mounted The lower surface of the button portion 11 is directed to the light-emitting surface 212 on the light guide plate 21. When the user presses the key portion 111 and presses the key cap 111, the key cap lu will touch the light guide plate 21, thereby causing the protrusion 214 to compress the elastic piece 24 under the reflective member 22 and to transmit the force to the circuit substrate 12. The touch circuit switch 12 〇 forms an electrical path to output a button signal; when the force applied to the key cap lu is released, the compressed elastic piece 24 bounces the reflective element 22 and the light guide plate 21 to cause reflection The element 22, the light guide plate 21 and the button portion 11 return to the home position 'circuit switch 12' also utilizes its own elasticity while returning to its original shape to form an electrical disconnection. 6 and 7 show a third embodiment of the illuminated keyboard of the present invention having a structure substantially similar to that of the first embodiment; however, wherein the reflective member 22 is provided with a plurality of circuit switches corresponding to the circuit substrate 12. A through hole 221 in the 120 position is provided, and a spring piece 24 is disposed in the through hole 221, and the elastic piece 24 is connected to the back surface 213 of the light guide plate 21. The reflective element 22 can be a diaphragm having at least one side a reflective surface 222 that reflects light. When the elastic piece 24 is disposed in the through hole 221, an adhesive or other adhesive component may be adhered and fixed between the through hole 221 and the elastic piece 24; or an adhesive or other adhesive component is not disposed, and the elastic piece 24 is directly passed through the through hole 221 It is connected to the back surface of the light guide plate 21. The back surface 213 of the light guide plate 21 and the reflecting surface of the reflective member 222 may be bonded by an adhesive or other adhesive member, or may be bonded without using an adhesive or other adhesive member. The button module of the third embodiment! The backlight module 2 is mounted on the bottom 4 31 of the base 3 and is bounded by the side wall 32 to limit the circumference of the button module 丨 and the backlight module 2 to illuminate. In the manner of shouting, the reflection turn 22 is first disposed on the back surface 213 of the light guide plate 21, and then the back surface 213 is adhered to the corresponding through hole 221 by an adhesive or other adhesive red member corresponding to the position of the ground surface 213. The back surface 213 of the light guide plate 21 sighs the combined reflective element 22 and the light guide plate 1 on the circuit board 12, so that each of the elastic pieces 24 corresponds to a circuit switch 12G, and the light source of the circuit board 12 is electrically connected in advance. (5) Lin should be on the light incident surface 211 of the light guide plate 21; finally, the button portion u is placed on the light guide plate 21 so that the bottom portion of the button portion 11 faces the light exit surface. When the field user operates the & key portion U and presses the waste keycap (1), the protrusion 112 under the keycap (1) will press the flexible light guide plate 21 and the reflective member 22, thereby deforming the elastic piece 24 and touching the circuit switch (10). The electrical path is to output the button signal; when the lateral force on the X-S 111 is released, the sliding member 24 bounces the reflecting member 22 and the light guide plate 21 to make the reflecting member 22 and the guiding portion μ And the button part u returns to the original position, and the circuit switch 12〇 also uses its own elasticity to simultaneously return to the original shape.
第八圖係顯示本伽的第四實_，係具有大致上 相似於前述第二實_的結構；針，反射元件22对複數個對 應電路基板12之電路開關12〇位置的通孔221，通孔221内則設 置彈片24。導光板21的背面則設置複數個對應於彈片％的突 部214。彈片24設於通孔221内時，可以黏著劑或其他黏著元件 黏合固定通·與彈片24之間；或是不設置黏著劑或其他 元件，直接使彈片24在通孔221中呈可活動狀態；或是在彈片％ 設於通孔221時，在反射面222黏貼膠帶之類的黏著元件， 將彈片㈣合固定在反射元件22。前述導光板21的出光面犯 201113921 ^鍵部111的下表面之啊时雜著㈣其絲著藉相互 上’也可以不使雜著劑或其絲著元件黏合。 、:斤述第四實施例的按鍵模組！與背光模組2係安裝於底座3 的底P 31上，並藉由側壁32限制按鍵模組丨與背光模組2的周 邊’以構成-可以發光的鍵健置。其喊的方式，係先將反射 疋件22設於導光板21的細加，再於反射树22的各個通孔 内刀別置人-彈>} 24 ’再將組合完成的反射元件22、導光板 21與彈片24-起設於電路基板12上，使各個彈片％分別對應於 一電路開關120,預先電性連接於電路基板12的杨23則對應於 導光板21之入光面211;最後，將按鍵部j i安裝於導光板21上， 使按鍵部11的底部面向出光面212。 第九圖係顯示本發明發光鍵_第五實_，係具有大致上 相似於前述第二實施例的結構；其中，反射元件22的背面設置複 數個對應電路基板12之電路開關12〇位置的彈片％;彈片“與 反射元件22的組合方式，可以黏著劑或其他黏著元件將彈片％ 直接黏貼於反射元件22的背面。反射元件22可以是一種膜片， 其至少一側面為可以反射光線的反射面222。按鍵部丨1的下表面 則設置複數個對應彈片24位置的突部112。導光板21的背面 與反射元件22的反射© 222之間可以使賴著劑或其他黏著元件 相互黏合，也可以不使用黏著劑或其他黏著元件黏合。 所述第五實施例的按鍵模組1與背光模組2係安裝於底座3 的底部31上，並藉由側壁32限制按鍵模組1與背光模組2的鬥 201113921 邊，以構成一可以發光的鍵盤裝置。其組裝的方式係先將電路基 板12設置於底部31上，然後將已設置彈片24的反射元件22設 於電路基板12上，使各個彈片24分別對應於一電路開關12〇，再 將導光板21設於反射元件22上，使反射面222朝向導光板21的 背面213，電性連接於電路基板12的光源23則對應於導光板21 之入光面211 ;最後，將按鍵部u安裝於導光板21上使按鍵部 11的下表面朝向出光面212。 • 以上所述者僅為用以解釋本發明之較佳實施例，並非企圖據 以對本發明做任何形式上之限制，是以，凡有在相同之精神下所 作有關之任何修飾或變更，皆仍應包括在本發明意圖保護之範嘴。The eighth figure shows the fourth real _ of the gamma, having a structure substantially similar to the second real _; the needle, the reflective element 22 is connected to the plurality of through holes 221 corresponding to the circuit switch 12 of the circuit substrate 12, A spring piece 24 is disposed in the through hole 221 . The back surface of the light guide plate 21 is provided with a plurality of projections 214 corresponding to the % of the elastic piece. When the elastic piece 24 is disposed in the through hole 221, the adhesive or other adhesive element may be adhered between the fixed through and the elastic piece 24; or the adhesive or other element is not disposed, and the elastic piece 24 is directly movable in the through hole 221. Or when the elastic piece % is set in the through hole 221, an adhesive element such as a tape is adhered to the reflecting surface 222, and the elastic piece (4) is fixed to the reflective element 22. The light-emitting surface of the light guide plate 21 is smashed by the lower surface of the key portion 111. (4) The wire may be bonded to each other by the same or not. ,: The key module of the fourth embodiment is described! The backlight module 2 is mounted on the bottom P 31 of the base 3, and the side wall 32 limits the circumference of the button module 丨 and the backlight module 2 to constitute a light-emitting key. In the manner of shouting, the reflection element 22 is firstly disposed on the light guide plate 21, and then in the respective through holes of the reflection tree 22, the reflection element 22 is combined. The light guide plate 21 and the elastic piece 24 are disposed on the circuit board 12 such that each of the elastic pieces corresponds to a circuit switch 120, and the poplar 23 electrically connected to the circuit substrate 12 in advance corresponds to the light incident surface 211 of the light guide plate 21. Finally, the button portion ji is attached to the light guide plate 21 such that the bottom portion of the button portion 11 faces the light exit surface 212. The ninth figure shows the light-emitting key of the present invention, which has a structure substantially similar to that of the foregoing second embodiment; wherein the back surface of the reflective element 22 is provided with a plurality of circuit switches 12 corresponding to the circuit substrate 12 The shrapnel %; the shrapnel "in combination with the reflective member 22, the adhesive or other adhesive member can directly adhere the shrapnel % to the back surface of the reflective member 22. The reflective member 22 can be a diaphragm having at least one side that can reflect light. The reflecting surface 222. The lower surface of the button portion 1 is provided with a plurality of protrusions 112 corresponding to the position of the elastic piece 24. The back surface of the light guiding plate 21 and the reflection © 222 of the reflecting member 22 can bond the adhesive or other adhesive members to each other. The button module 1 and the backlight module 2 of the fifth embodiment are mounted on the bottom 31 of the base 3, and the button module 1 is restricted by the side wall 32. The hopper 201113921 of the backlight module 2 is configured to form a keyboard device that can emit light. The assembly method is firstly, the circuit substrate 12 is first disposed on the bottom portion 31, and then the elastic piece 24 is disposed. The reflective element 22 is disposed on the circuit board 12 such that each of the elastic pieces 24 corresponds to a circuit switch 12A, and then the light guide plate 21 is disposed on the reflective element 22, and the reflective surface 222 is electrically connected to the back surface 213 of the light guide plate 21. The light source 23 of the circuit board 12 corresponds to the light incident surface 211 of the light guide plate 21; finally, the button portion u is attached to the light guide plate 21 such that the lower surface of the button portion 11 faces the light exit surface 212. The preferred embodiments of the present invention are not intended to be construed as limiting the scope of the present invention, and any modifications or alterations made in the same spirit should be included in the invention. The mouth of protection.
[S] 13 201113921 【圖式簡單說明】 第一圖為顯示本發明發光鍵盤第—實施例之主要元件組合關係之 平面剖視分解圖。 第二圖為顯示本發明發光鍵鮮—實施例之組合結構之平面剖視 圖。 第三圖為第—圖之A部分之本發明之電路基板結構之局部放大圖。 第四圖為顯示本發明發光鍵盤第二實施例之主要元件組合關係之 • 平面剖視分解圖。 第五圖為顯示本發日光鍵鮮二實_之組合結構之平面剖視 圖。 第六圖為顯示本發明發光鍵盤第三實施例之主要元件組合關係之 平面剖視分解圖。 第七圖為顯示本發明發光鍵鮮三實關之組合結構之平面 圖。 籲第八圖為顯示本發明發光鍵盤第四實施例之主要元件組合關係 平面剖視分解圖。 第九圖為顯示本發明發光鍵盤第五實施例之主要元件組合關係之 平面剖視分解圖。 【主要元件符號說明】 1......按鍵模組 110......按鍵膜片 201113921[S] 13 201113921 [Simplified description of the drawings] The first figure is a plan sectional exploded view showing the main component combination relationship of the first embodiment of the illuminated keyboard of the present invention. The second drawing is a plan sectional view showing a combined structure of the present invention. The third drawing is a partially enlarged view of the circuit board structure of the present invention in the portion A of the first drawing. The fourth figure is an exploded cross-sectional view showing the main component combination relationship of the second embodiment of the illuminated keyboard of the present invention. The fifth figure is a plan cross-sectional view showing the combined structure of the present daylight key. Fig. 6 is a plan sectional exploded view showing the main component combination relationship of the third embodiment of the illuminated keyboard of the present invention. Fig. 7 is a plan view showing the combined structure of the light-emitting key of the present invention. The eighth drawing is a plan sectional exploded view showing the main component combination relationship of the fourth embodiment of the illuminated keyboard of the present invention. Figure 9 is a plan sectional exploded view showing the main component combination relationship of the fifth embodiment of the illuminated keyboard of the present invention. [Main component symbol description] 1...button module 110...button diaphragm 201113921
11···· ••按鍵部 111·· •…鍵帽 111a. .....鍵帽 112.. •…突部 12···· ••電路基板 120" •…電路開關 121.. •…上膜片 122.. •…下膜片 123" •…絕緣層 124" •…洞孔 125.. •…上電極 126" •…下電極 2"… •背光模組 21···· • · ^光板 211.. ·..入光面 212.. …·出光面 213·· •…背面 214·· …·突部 215" …·貫穿孔 22···· ••反射元件 221·· …·通孔 222……反射面 [si 15 201113921 23.. •…光源 24.. •…彈片 3…. ••底座 31- •…底部 32·· •…側壁11····•• Button unit 111·· •... keycap 111a. ..... keycap 112.. •...projection 12····••circuit board 120" •...circuit switch 121.. •...upper diaphragm 122.. •...lower diaphragm 123" •...insulation 124" •...hole 125.. •...upper electrode 126" •...lower electrode 2"...•backlight module 21···· • · Light board 211.. ·.. light-emitting surface 212.....light-emitting surface 213···...back surface 214··· protrusion 215" ...·through hole 22····••reflecting element 221· · ...·through hole 222...reflective surface [si 15 201113921 23.. •...light source 24..•...shrap 3..•• base 31- •...bottom 32·· •...side wall