200844800 九、發明說明： 【發明所屬之技術領域】 本發明係有關一種發光鍵盤，尤指一種具有導光區域底蓋之發光鍵盤。 【先前技術】 現今社會中電腦之使用領域與時機相當廣泛，無論是桌上型電腦，膝上型 電腦，筆記型電腦或網路電視，在任何環境下皆有可能使用，但於低亮度或黑 暗環境下，因為缺乏光線無法準確敲擊鍵盤作為訊號之輸出，為解決此一問題 目前已有多種發光鍵盤專利問世，例如美國專利第6284988、6322229、6199996、 655ΦΜ2、6Π9432 號、台灣專利公告號第 5〇9955、奶5?77、535385、438〇35、 570235、468833、516671號，均有提及一種利用内置式發光片向外射出光源， 而讓使用者可明確判斷鍵盤敲擊位置。 如口/¾專利公告第509955號所示，揭露一發光鍵盤，包含一鍵盤部盥一沪 設於該健部下方之背絲置，該背絲置由鍵盤部下方提供鍵盤部光源，^ -實施例中，該背光錢包含-具反射部之導光板、—反紐與—光源，該光 源設置於導光板侧邊，由光源射出之光藉由該導光板傳送至各按鍵下方， 用反射部將光折射後使按鍵發光。 如另-具背光架構之鍵盤，於台灣專利第1269333號所示，射光架構係利 用底板與橋板間定義出-光源傳導空間，並於橋板上對應鍵盤部與光傳導空間 =間至少設置-導光部，光源所輸出之光藉由光源傳導空間與導光部射入^ 但是，在上述兩專利技術文獻中，發現光源係利用一導光層、導光物 是其他導光漏物件以達成絲傳導至的目的，然而增設此—導光 ^ 光物件勢必造成鍵盤厚度之增加亦增加其重量，此外，該種設計亦增添& 硬雜性，在面_腦設備㈣化之聰下，該設計賴不符合需求。 、 【發明内容】 本發明之主要目的，在於設法整合背光架構使電腦鍵盤達到輕薄化 利於攜帶性應用。為達上述目的，本發明提供一種發光鍵盤，外層為一蓋體， 係由-上蓋與-底蓋相互組裝而成，並於該上蓋與底蓋間形成出一容置q 該底蓋具備有第-導光區域，且該蓋體之外側表面位於該第一導光區域^第 200844800 1 产 ‘:光源阻絕面；於該容置空間内裝設一鍵盤部，該鍵盤部包含有複數可受力按 壓亚依照按壓方向位移之鍵帽、—提健鍵帽進行碰方向每之連動機構、 以及一受該鍵帽按壓觸動以輸出電氣訊號之電路板；此外，至少有一發光單元 對該蓋體之第-導光區域提供絲，該光該第-導光輯擴散並^該第一 光源阻絕面限制光源’最後投射至該鍵盤部發出光亮。於該鍵盤部盥該底蓋間 亦可設有-遮蔽元件，其上對應於個別鍵帽位置具有透光區域，非屬個別鍵帽 之位置為不透光區域，光源透過該透光區域使該鍵帽發光。 猎由本發明之發光難，可以減少過去導光層或是導絲件所佔之内部空 間亦可不需額外增添導光層或導光物件，有效使鍵盤達到輕薄化之目的。盼 此之外，利用底蓋作為導光之設計，簡化開模與組裝之過程 造: 幅減少成本並提高產品良率。 、系h中大 【實施方式】 有關本發明之詳細·及技術内容，職配合圖式說明如下： _ Γ參閱第1圖』及『第2圖』’係本發明發光鍵盤之較佳實補分解示咅 ，與剖面示意圖’如騎示：本發明為—種於黑暗 ^ :鍵盤，其外部係為一蓋體10，該蓋體10由一上蓋u與一底蓋 成，並於該上蓋U與底蓋12間形成出一容置且· 第-導光區域14，且該底蓋12之外側表面位於該第備: 源阻絕面15 ’該第—導光區域M可全面分佈於該底蓋叫如『第2圖 或者僅設置於局部底蓋12位置(如『第3圖』所示）；於該容置咖門二二古 -鍵盤部20 ’該難部2G包含有—底板％，該敍 ^ 並依照按财向位移之鍵帽21，對應各鍵帽21與該底板％ 订按壓方向位移之複數個連動機構22(於本實 例’亦可為垂直升降型機構，於本發日种連 式機構為 帽2!受力按罐制一彈性體23以觸^ 2 加限制），當該鍵 $,卜恭ηΛ 卿勒電路板24輸出電氣訊號；另外設詈 照需求選擇為發光二極體’光纖板材或其他可發先: 位置，該發光單元3〇係對該底蓋12之第一導光區域 直接輪入於該底蓋12之第-導光區域14，__ u反==^ 6 200844800 ' 光區域14 ’令光源於該第一導光區域Μ擴散並受該第-光源阻絕面15限制光 源向上投射至該鍵盤部20發出光亮’其中該鍵盤部2〇之底板％、連動機構22、 彈性體23以及電路板24為透光材質所製成，使該第—導光區域m反射之光線 可以順利進入個別鍵帽21。 於本發明再-實施例中’如『第4圖』所示，該蓋體⑴之上蓋u部分相 對應第-導光區域Μ之光投射位置亦可具備第二導光區域14，，於該上蓋^之 外側表面位於該第二導光區域14,處設有第三光源阻隔面15 = ^光源於該第二導光區域14,，或者射人該第—導光區域14之;源再反射或 2至該第二導光區域14,，使上蓋11與底蓋12均可發出光亮，使光線充斥該 容置空間13内。 “為使輸入個別鍵帽21之光源達到聚光之效果，如『第η圖』所示，於該 底蓋12之第-導光區域14之光投射位置對應鍵盤部2〇位置凸設至少一聚光柱 I6 ’以利光源集中輸入該鍵盤部2〇，該聚光柱16可為等寬柱體(第Μ圖)或者 為上窄下寬之柱體結構(第5-2圖）。 習知鍵盤結構中亦可利用橋板之設置以固定連動機構，如『第6圖』所示， ί ίΓ料—實酬但麵靖定之實施絲，係—麵板27以承載該連 22，該橋板27係設於該鍵帽21與該電路板24之間，該橋板27亦為透 先材貝=會阻礙由該底蓋12的第—導光區域14之光線投射至該鍵盤部2〇。 如帛7圖』所示，本發明發光鍵盤亦可達到如中觀國專利第⑵㈣ 均句發光之鍵盤」在(如該鍵帽與該底板間設有遮蔽元件，利用該遮蔽元 之透光區域與不透光區域，使㈣達_均勻發光，且配置該遮蔽元 ^于、之實施態樣外更可於該鍵盤部2〇與該底蓋12間增設一遮蔽元件^， :^應於個別鍵巾目21位置具有—透光區域251 ’非屬個別鍵帽21位置為不透 :252 ’來自發光單元3〇之光源投射入該底蓋12之導光區域μ後，再經 區查域2Γ使該個別鍵帽21發光讓本發明更擴及至該底蓋12與該鍵帽 21間皆可達到非均勻發光之效果。 發輕紐__上蓋11或綠12將統料至難部20，相較於 :、他1知鍵盤需要另外裝設導光元件，本發明可節省該蓋體ω内容置空間⑴ 、達到1工薄化之目標，此外，此設計亦減少組裝與開模之過程，於工業製造上， 7 200844800 可有效減少成本以及提高產品良率。 以上已將本發明做一詳細說明，惟以上所述者，僅爲本發明之一較佳實施 例而，，當不能以此限定本發明實施之範圍，即凡依本發明申請專利範^所^ 之均等變化與修飾，皆應仍屬本發明之專利涵蓋範圍内。 【圖式簡單說明】 第1圖，係本發明發光鍵盤之較佳實施例分解示意圖 第2圖，係本發明發光鍵盤之較佳實施例剖面示意圖 第3圖，係本發明中該底蓋僅局部具有導光區域之實施例剖面示意圖 =4圖，係本發财該上蓋與該底蓋皆具有導光區域之實施例剖面示意圖 弟5-1圖’係本發明中具有聚光柱底蓋之實施例剖面示意圖 圖係、本發明中具有另一種聚光柱底蓋之實施例剖面示意圖 弟6圖，係本發明具有橋板實施例之分解示意圖 ^圖’係本發明中非均勻發光之實施例分解示意圖 【主要元件符號說明】 10 11 12 13 , 14 . 14, 15 · 15, 16 · 20 · 21 . 22 · 23 · 24 · 25 · •蓋體 •上蓋 •底蓋 容置空間 第一導光區域 •第*一導光區域 第一光源阻絕面 •弟》—光源阻絕面 聚光柱 鍵盤部 鍵帽 連動機構 彈性體 電路板 遮蔽元件 200844800 251 .............透光區域 252 .............不透光區域 26 .............底板 27 .............橋板 30.............發光單元200844800 IX. Description of the Invention: [Technical Field] The present invention relates to an illuminated keyboard, and more particularly to an illuminated keyboard having a bottom cover of a light guiding area. [Prior Art] In today's society, the field of use and timing of computers are quite extensive. Whether it is a desktop computer, a laptop computer, a notebook computer or a network TV, it is possible to use it under any circumstances, but at low brightness or In the dark environment, because of the lack of light, it is impossible to accurately tap the keyboard as the output of the signal. In order to solve this problem, a variety of illuminated keyboard patents have been published, such as US Patent No. 6284988, 6322229, 6199996, 655ΦΜ2, 6Π9432, Taiwan Patent Publication No. No. 5,9955, milk 5?77, 535385, 438〇35, 570235, 468833, 516671, there is a use of a built-in illuminating sheet to shoot the light source outward, so that the user can clearly determine the keyboard tap position. As shown in the Japanese Patent Publication No. 509955, an illuminated keyboard includes a keyboard portion, a back wire disposed under the health portion, and the back wire is provided with a keyboard light source under the keyboard portion, ^ In an embodiment, the backlight includes a light guide plate having a reflection portion, a reverse button and a light source, and the light source is disposed on a side of the light guide plate, and the light emitted by the light source is transmitted to the lower side of each button by the light guide plate, and is reflected The part refracts the light and causes the button to illuminate. For example, in the keyboard with a backlight structure, as shown in Taiwan Patent No. 1269333, the light-emitting structure defines a light source conduction space between the bottom plate and the bridge plate, and at least sets the corresponding keyboard portion and the light conduction space on the bridge plate. - the light guiding portion, the light output by the light source is incident by the light source conducting space and the light guiding portion. However, in the above two patent documents, it is found that the light source uses a light guiding layer, and the light guiding material is other light guiding and leakage object. In order to achieve the purpose of wire conduction, however, the addition of this light guide material will inevitably increase the thickness of the keyboard and increase its weight. In addition, this design also adds & hard hybridity in the face of brain equipment (four) Under the design, the design does not meet the demand. SUMMARY OF THE INVENTION The main object of the present invention is to integrate a backlight architecture to make a computer keyboard lighter and thinner for portable applications. In order to achieve the above object, the present invention provides an illuminated keyboard, the outer layer is a cover body, which is assembled from the top cover and the bottom cover, and forms a receiving space between the upper cover and the bottom cover. a first light guiding region, wherein the outer surface of the cover is located in the first light guiding region, the light source blocking surface is disposed in the first light guiding region, and a keyboard portion is disposed in the accommodating space, wherein the keyboard portion includes a plurality of Pressing the keycap according to the pressing direction of the pressing direction, the locking keycap, the interlocking mechanism, and the circuit board that is pressed by the keycap to output the electrical signal; in addition, at least one light emitting unit is attached to the cover The first light guiding area of the body provides a wire, and the light is diffused and the first light source blocking surface limits the light source 'final projection to the keyboard portion to emit light. A shielding member may be disposed between the bottom cover and the bottom cover, wherein the position of the individual keycaps has a light-transmitting area, and the position of the non-individual keycap is an opaque area, and the light source transmits the light-transmitting area. The key cap is illuminated. It is difficult to hunt the light of the present invention, and the internal space occupied by the light guiding layer or the guide wire member can be reduced, and the light guiding layer or the light guiding object can be added without any additional light, so that the keyboard can be lightened and thinned. In addition to this, the use of the bottom cover as a light guide design simplifies the process of mold opening and assembly: reducing the cost and increasing the yield of the product. [Embodiment] The details and technical contents of the present invention are as follows: _ 第 Refer to Fig. 1 and Fig. 2' is a better complement of the illuminated keyboard of the present invention. Decomposition of the 咅 咅 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , An accommodating and/or light guiding region 14 is formed between the U and the bottom cover 12, and the outer surface of the bottom cover 12 is located at the first source: the source blocking surface 15'. The bottom cover is called "Fig. 2 or only in the position of the partial bottom cover 12 (as shown in "Fig. 3"); in the accommodating coffee door two-two-keyboard part 20', the difficult part 2G includes a bottom plate %, the said ^ and according to the financial position displacement of the key cap 21, corresponding to each of the key cap 21 and the bottom plate % of the pressing direction of the plurality of linkage mechanism 22 (in this example 'can also be a vertical lifting mechanism, in this The hair type of the joint mechanism is the cap 2! Forced by the cans to make an elastic body 23 to touch the ^ 2 plus limit), when the key $, 卜 Λ Λ 卿 勒 勒The board 24 outputs an electrical signal; in addition, the illumination unit is selected to be a light-emitting diode 'fiber-optic board or other pre-synchronized: position, and the light-emitting unit 3 is directly inserted into the first light-guiding area of the bottom cover 12 The first light guiding area 14 of the bottom cover 12, __ u reverse ==^ 6 200844800 'the light area 14' causes the light source to diffuse in the first light guiding area 并 and is restricted by the first light source blocking surface 15 to project the light source upward The keyboard portion 20 emits a light light. The bottom plate % of the keyboard portion 2, the interlocking mechanism 22, the elastic body 23, and the circuit board 24 are made of a light-transmitting material, so that the light reflected by the first light guiding region m can smoothly enter the individual. Key cap 21. In the second embodiment of the present invention, as shown in FIG. 4, the light projection position of the cover u portion corresponding to the first light guiding region 该 may also include the second light guiding region 14 in the cover body (1). The outer surface of the upper cover is located at the second light guiding region 14, and is provided with a third light source blocking surface 15 = ^ the light source is in the second light guiding region 14, or is incident on the first light guiding region 14; Re-reflecting or 2 to the second light guiding region 14 causes the upper cover 11 and the bottom cover 12 to emit light, so that the light is filled in the accommodating space 13. "In order to achieve the effect of concentrating the light source of the input key cap 21, as shown in the "nth diagram", the light projection position of the first light guiding region 14 of the bottom cover 12 is at least corresponding to the position of the keyboard portion 2 A concentrating column I6' is used to concentrate the input light into the keyboard portion 2', and the concentrating column 16 may be a monospaced cylinder (Fig.) or a cylindrical structure with a narrow upper and a lower width (Fig. 5-2). In the keyboard structure, the bridge plate can also be used to fix the linkage mechanism, as shown in Figure 6, ί Γ — 实 实 实 实 实 — 实 实 实 实 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板 面板The bridge plate 27 is disposed between the keycap 21 and the circuit board 24, and the bridge plate 27 is also a transparent material material. The light from the first light guiding region 14 of the bottom cover 12 is blocked from being projected onto the keyboard portion. 2〇. As shown in Fig. 7, the illuminated keyboard of the present invention can also reach the keyboard of the (2) (4) uniform illumination of the Chinese patent (in the case of a shielding element between the keycap and the bottom plate, using the shielding element) The light-transmitting area and the opaque area enable (4) to illuminate uniformly, and the shielding element is disposed in the keyboard portion 2 A shielding member ^ is disposed between the bottom cover 12, and should have a light-transmitting region 251 at the position of the individual key towel 21. The position of the non-individual keycap 21 is not transparent: 252 'The light source from the light-emitting unit 3 is projected into After the light guiding area μ of the bottom cover 12 is passed through the area 2, the individual keycaps 21 are illuminated to extend the present invention to a non-uniform illumination effect between the bottom cover 12 and the keycap 21. The light cover __ upper cover 11 or green 12 will be unified to the difficult part 20, compared with:: he knows that the keyboard needs to be additionally provided with a light guiding element, the invention can save the cover ω content space (1), reach 1 work thin In addition, this design also reduces the process of assembly and mold opening. In industrial manufacturing, 7 200844800 can effectively reduce costs and improve product yield. The above has been described in detail, but the above, It is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the equivalent variation and modification of the patent application of the present invention should still be covered by the patent of the present invention. Within the scope. [Simple description of the diagram] Figure 1, is the hair 2 is a schematic cross-sectional view of a preferred embodiment of the illuminated keyboard of the present invention. FIG. 3 is a cross-sectional view of an embodiment of the bottom cover having only a light guiding region in the present invention. The present invention is a cross-sectional view of an embodiment having a light-guiding bottom cover in the present invention, and the present invention has another The cross-sectional view of the embodiment of the concentrating column bottom cover is a schematic view of the embodiment of the present invention having a bridge plate. FIG. 2 is an exploded view of the embodiment of the non-uniform illumination in the present invention. [Main component symbol description] 10 11 12 13 , 14 . 14, 15 · 15, 16 · 20 · 21 . 22 · 23 · 24 · 25 · • Cover • Upper cover • Bottom cover accommodation space First light guide area • *1 light guide area First light source blocking surface • Brother”—Light source blocking surface concentrating column keyboard keycap linkage mechanism elastic body circuit board shielding component 200844800 251..................transparent area 252 .......... ...opaque area 26 .............floor 27 ........... ..bridge board 30.............Lighting unit