M432082 五、新型說明： 【新型所屬之技術領域】 本創作係有關於一種導光膜片結構，特別是指-種 發光鍵盤之單層式導光膜片結構。 【先前技術】 按目前筆記型電腦由於具有便於隨身攜帶及處理文 =料和即時通訊之功能，故而廣受市場業者及使用者之 月疋及㈣，而目前部份筆記型電腦鍵盤係採用薄型觸控 鍵盤結構’有關筆記型電腦鍵盤其主要係於字鍵之鍵帽與 j板間組裝連結有-架橋式支撐結構，而該等習知筆記型 電腦之薄型架橋式鍵盤結構具有體積超薄、重量輕巧及操 作精確之優點；經查，本國相關專利前案中，申請人公司研 發並申請獲准有：發光鍵盤之導光板及背光模組（本國專 利證書號數：M306689號）專利案，該專利案主要係於導 光板上凸設有卡合構造以利於直接組裝架橋元件，然其並 無對各別按鍵及LED光源間距作加強導光之設計，故使得 距離LED光源較遠之按鍵則顯得透光亮度明顯不足；繼而， 有關習知發光鍵盤係利用三層式導光板架構以作為鍵盤之 背光元件，即其係於一導光板之下方黏貼有一反射片纤 Χ增加向上反射之光量，而於該導光板之上方則係黏貼有 一柵格狀之遮光片（ΡΕΤ)以阻隔並導引投射光線，惟於實務 上，該下層反射片及上層遮光片之結構除了增加整體導光 板之厚度及成本外，且其在組裝時需要將三層遮光片、導 3 M432082 光板及反射片逐對準疋位並膠合成一體，其明顯增加習 知導光板組裝上的困難度，實有加以改良之必要； 有鑑於此，本案創作人遂以其多年從事電腦鍵盤之製 每及叹4貫務經驗，而積極研究改良，並經多次實物樣品 製作及測試，進而具體改良習知電腦鍵盤之導光板的上述 缺點’終致完成本創作。 【新型内容】 i 賴作絲供—種導光膜片結構，其欲解決之主要問 •題係針利知三層式導妹㈣較為㈣及多層厚度的 缺點；其欲解決之次要問題係針對習知導光鍵盤距離光源 較遠之按鍵係顯得透光亮度不足的缺點，而本創作即針對 習知發光鍵盤之導光板的問題點，而加以研發改良突 俾達到大幅簡化其導光結構及增進其鍵盤之透光效果； 本創作係一種發光鍵盤之導光膜片結構，其係將一 導光膜片組裝於一鍵盤之底面位置，纟中於該導光膜片之 #底面係印刷塗覆有一反射層，於該導光膜片之頂面係印刷 塗覆有-柵格狀之遮光層，且於該導光膜片上之適處係陣 .列佈設有複數個環凹穴構造，其中該遮光層對應於鍵盤字 鍵之適處係具有穿孔構造，俾能有效導引投射光線至字鍵 位置，本創作之單層式導光膜片具有降低厚度及組褒簡易 之效能，進而能具體增進整體發光鍵盤之均勻導光效果。 有關於本創作之構造特徵及實際功效，兹舉一較=之實 4 M432082 施例並佐以圖式”細說明如后，期使審查Μ能深入瞭解 本創作。 【實施方式】 請參閱圖1至圖3之本創作較佳施例所示，本創作係 -種發光鍵盤之導光膜片結構，其係'將—導光膜片扣組 裝於一鍵盤10之底面位置；其中， 該導光膜片20係屬於-透明塑性材質之薄膜片，於 •該導光膜片2Q之底面係'印刷塗覆有-反射層21’俾能集 春t增加反射光線之向上投射光量，於該導光膜片2〇之頂 面係印刷塗覆有-概呈栅格狀之遮光層22，且其對應於 子鍵位置係具有穿孔221構造，俾能有效遮光阻隔並導引 技射光線至其上端之字鍵，繼而，於該導光膜片Μ上對 應於字鍵位置係分別陣列佈設有複數個不同深淺度之環 凹穴201，而該複數個陣列狀之環凹穴2〇1係分別具有不 同之涑淺度及佈設密度，俾能因應其與發光源之不同距離 • 以適度地調整產生出相同的垂直反射光亮度，即由於當該 -複數個環凹穴201距離發光源較遠之狀況時，而該較遠之 複數個環凹穴201則係因應設計成具有較深之外環周面 以增加其向上垂直反射光亮度，同理，依光線亮度與光源 距離之關係，則各該環凹穴2〇1之深淺度係因應其與光源 距離而由淺至深之比例遞增，俾能調整達到使各個按鍵具 有均勻之垂直反射光亮度，俾具體增進整體鍵盤之均勻導 5 M432082 光效果；至於，該導光膜片2〇上之環凹穴2〇1導光構造 亦可以由印刷塗覆複數個油墨反光點構造替代之，其同樣 可以藉由陣列佈設複數個油墨反光點構造以達到增進其 導光效果者。 該鍵盤10係包括：數個架橋丨丨、數個透光鍵帽12、數個 透光彈性7L件14、一透光薄膜電路板15及一按鍵框板16 ; 其中，該透光鍵帽12係一概呈方形之透光按壓元件，於該 . 鍵帽12底面成型有二對稱之樞接槽121及二導滑槽122,而 鲁於其令央位置則成型有一按壓部125，且該二摇接槽121 及一導μ槽122係對應枢接於該架橋11頂緣之樞軸111及 二滑軸112，而該架橋π底緣之二滑軸113及樞軸U4則係 對應樞接在該按鍵框板丨6上之二導滑槽丨63及承接槽丨 内，而該透光之彈性元件14係頂掣於該透光鍵帽12底面之 按壓部125，其中該複數個彈性元件14係對應固設於一墊 片1 3上，而於該墊片13上係穿設有複數個透孔131，俾使該 • 墊片13得以组設於該按鍵框板16之頂面，且該彈性元件14 係對應位設於該透光薄膜電路板15及該按鍵框板16之透 孔161頂面，故而該彈性元件14内之按壓柱141係可向下按 壓觸動導通該薄膜電路板15，而該按鍵框板16之透孔i6i 則係具有導光作用； 該薄膜電路板15係一透光薄膜板上形成有若干電路 以控制按鍵輸入訊號，於該薄膜電路板15對應該透光鍵 6 M432082 帽12之中心點位置係分別形成有—電路之斷路畔⑸ 且於各該電路之斷路點151二端係分別形成有對岸之導 觸端，於該薄膜電路板15底面端緣適當位置係電性連結 有數個發光二極體LED153光源，俾提供鍵盤之導光效^ 者》 >月匕 有關本創作之主要構造特徵及實際使用效能，則謹作 扼要說明如下：本創作的單層式導光膜片2〇係組装於一 發光鍵盤H)之底面，其主要係於該導光膜片2〇之頂面印 _刷塗覆有-概呈柵格狀之遮光層22,且於該導光膜片加 之底面係印刷塗覆有-反射層2卜俾能集中反射光線之 投射光量，本創作之單層式導光膜片2〇則具有降低厚度 及組裝簡易之效能，且其亦能藉由該導光膜片2〇上陣列 佈設之複數個不同深淺度之環凹穴2〇丨或印刷塗覆之油 墨反光點構造，俾能因應其與發光二極體LEDi53光源之 不同距離以適度地調整產生出相同的垂直反射光亮度’進 • 而能具體增進整體鍵盤之均勻導光效果者。 綜上所述，本創作係於發光鍵盤内組裝有一導光膜 片，且其係屬於一單層式導光膜片構造，俾達到降低整體 鍵盤厚度及增進其組裝和導光效果，是以，本創作確實具 有創新性和進步性，實已符合我國專利法有關新型專利之 申請要件的規定，爰乃依法提起專利申請。 7 M432082 【圖式簡單說明】 圖1 ··係本創作發光鍵盤之導光結構的立體分解 顯示一導光膜片組裝於一鍵盤上。刀 圖2··係圖1發光鍵盤之導光結構的局部放大 圖，其係顯示單一按鍵之組裝構造。 圖3.係圖1之導光膜片構造的剖面示意_ ° • 【主要元件符號說明】 10 :鍵盤 11 :架橋 111 ·彳區轴 112 :滑軸 113 :滑軸 114 :樞車由 12 .透光鍵帽 121 :樞接槽 籲122 :導滑槽 125 :按壓部 "13 :墊片 131 :透孔 14 :彈性元件 141 :按壓杈 15 :薄膜電路板. 151 :斷路點M432082 V. New description: [New technical field] This creation is about a light guide film structure, especially a single-layer light guide film structure of a kind of illuminated keyboard. [Prior Art] According to the current notebook computer, it is easy to carry and handle the functions of text and instant messaging, so it is widely used by market players and users. (4) Currently, some notebook keyboards are thin. The structure of the touch keyboard is related to the notebook computer keyboard, which is mainly connected to the key pad of the word key and the j-board assembly-bridged support structure, and the thin bridge type keyboard structure of the conventional notebook computer has an ultra-thin size. The advantages of light weight and precise operation; after investigation, in the relevant patents in the country, the applicant company developed and applied for approval: the light guide plate and backlight module of the illuminated keyboard (national patent certificate number: M306689) patent case, The patent mainly relates to a snap-fit structure protruding from the light guide plate to facilitate direct assembly of the bridge component, but the design of the light guide light source and the distance between the LED light source and the LED light source are not enhanced, so that the button is far away from the LED light source. It appears that the light transmission brightness is obviously insufficient; then, the conventional illuminated keyboard system uses a three-layer light guide plate structure as a backlight component of the keyboard, that is, Attached to a light guide plate, a reflective sheet bundle is added to increase the amount of light reflected upward, and above the light guide plate, a grid-shaped light shielding sheet (ΡΕΤ) is adhered to block and guide the projected light, but practice In addition, the structure of the lower reflective sheet and the upper light shielding sheet not only increases the thickness and cost of the overall light guide plate, but also requires three layers of the light shielding sheet, the guide 3 M432082 light plate and the reflection sheet to be aligned and glued together during assembly. In one, it significantly increases the difficulty of assembly of conventional light guide plates, and it is necessary to improve it. In view of this, the creator of this case has been actively researching and improving with his experience in computer keyboards for many years. And through a number of physical sample production and testing, and then specifically improve the above-mentioned shortcomings of the light guide plate of the conventional computer keyboard 'finalize the creation of this creation. [New content] i is used as a light guide film structure, the main problem to be solved is the shortcomings of the three-layer guide sister (4) and the thickness of the multilayer; the secondary problem to be solved is Conventionally, the light guide keyboard is far from the light source, which has the disadvantage of insufficient light transmission brightness. However, this creation is aimed at the problem of the light guide plate of the conventional light-emitting keyboard, and the research and development has been improved to greatly simplify the light guide structure and The light-transmissive effect of the keyboard is improved; the present invention is a light-guiding diaphragm structure of an illuminated keyboard, which is assembled with a light-guiding film on the bottom surface of a keyboard, and is printed on the bottom surface of the light-guiding film. The coating is coated with a reflective layer, and a light-shielding layer is printed on the top surface of the light-guiding film, and a plurality of ring-shaped holes are arranged on the light-guiding film. The structure, wherein the light shielding layer has a perforated structure corresponding to the keyboard word key, and the utility model can effectively guide the projection light to the word key position, and the single-layer light guiding film of the present invention has the effect of reducing the thickness and the simpleness of the group. And can be specifically enhanced The uniform light guiding effect of the overall illuminated keyboard. Regarding the structural features and actual effects of this creation, I will give you a more detailed explanation of the creation and the actual effect. 4 M432082 The application example is accompanied by a schematic description. 1 to FIG. 3, the preferred embodiment of the present invention is a light guide film structure of a luminous keyboard, which is assembled with a light guide film buckle on a bottom surface of a keyboard 10; The light guiding film 20 belongs to a film sheet of a transparent plastic material, and the bottom surface of the light guiding film 2Q is 'printed and coated with a reflective layer 21', which can increase the amount of upwardly reflected light of the reflected light. The top surface of the light guiding film 2 is printed and coated with a substantially grid-like light shielding layer 22, and has a perforation 221 structure corresponding to the sub-key position, which can effectively block the light and block the technical light. To the upper end of the word key, and then, on the light guiding film Μ corresponding to the word key position, respectively, a plurality of different depths of the ring pocket 201 are arranged, and the plurality of array-shaped ring pockets 2〇 The 1 series has different shallowness and layout density, and can respond to it and the light source. Different distances • The same vertical reflected light brightness is produced by moderate adjustment, that is, when the plurality of ring pockets 201 are far away from the light source, the farthing plurality of ring pockets 201 are In order to have a deeper outer circumferential surface to increase the brightness of the upward vertical reflection light, similarly, according to the relationship between the brightness of the light and the distance of the light source, the depth of each of the ring pockets 2〇1 is determined by the distance from the light source. From the shallow to the deep proportion, the 俾 can be adjusted so that each button has a uniform vertical reflected light brightness, which specifically enhances the uniformity of the overall keyboard 5 M432082 light effect; as for the light guide film 2 on the ring The hole 2〇1 light guiding structure can also be replaced by printing and coating a plurality of ink reflective spot structures, which can also be configured by arraying a plurality of ink reflective spot structures to achieve a light guiding effect. The keyboard 10 includes: a plurality of bridges, a plurality of light-transmissive keycaps 12, a plurality of light-transmissive elastic 7L members 14, a light-transmissive film circuit board 15 and a button frame board 16; wherein the light-transmitting keycaps 12 are generally square Light transmission The bottom surface of the key cap 12 is formed with two symmetrical pivoting slots 121 and two guiding slots 122, and a pressing portion 125 is formed at the central position thereof, and the two rocking slots 121 and a guide μ are formed. The slot 122 is correspondingly pivoted to the pivot 111 and the two sliding shafts 112 of the top edge of the bridge 11, and the two sliding shafts 113 and the pivot U4 of the bottom edge of the bridge π are pivotally connected to the button frame plate 6 The two guiding elastic members 14 are mounted on the bottom surface of the light-transmitting keycap 12, and the plurality of elastic members 14 are correspondingly fixed to one. a plurality of through holes 131 are formed in the spacer 13 so as to be disposed on the top surface of the button frame plate 16, and the elastic member 14 is correspondingly The position of the light-transmissive film board 15 and the top surface of the through-hole 161 of the button frame 16 is such that the pressing post 141 in the elastic member 14 can be pressed downward to electrically conduct the film circuit board 15, and the button frame The through hole i6i of the board 16 has a light guiding effect; the thin film circuit board 15 is formed with a plurality of circuits on the transparent film board to control the key input signal. In the film circuit board 15 corresponding to the center point position of the light-transmissive key 6 M432082, the circuit breakers are respectively formed with a circuit breaking edge (5) and at each of the circuit breaking points 151, the opposite end of the circuit is formed with a guiding end of the opposite shore. The light-emitting diode LED 153 light source is electrically connected to the bottom edge of the thin film circuit board 15 at a suitable position, and the light guiding effect of the keyboard is provided by the keyboard. The following is a brief description of the following: The single-layer light guiding film 2 of the present invention is assembled on the bottom surface of an illuminated keyboard H), which is mainly applied to the top surface of the light guiding film 2 The light-shielding layer 22 is covered with a grid-like shape, and the amount of light that can be concentrated and reflected by the light-reflecting layer 2 is printed on the bottom surface of the light-guiding film, and the single-layer light guiding film of the present invention is created. The sheet 2 has the advantages of reduced thickness and simple assembly, and it can also be coated with a plurality of different depths of the ring recess 2 or the printed ink reflective spot by the array of the light guiding film 2 Construction, can not respond to its LED light source LEDi53 The same distance can be adjusted to produce the same vertical reflected light brightness, which can specifically improve the uniform light guiding effect of the overall keyboard. In summary, the present invention is equipped with a light guiding film in the illuminated keyboard, and belongs to a single-layer light guiding film structure, so as to reduce the overall keyboard thickness and enhance its assembly and light guiding effect, This creation is indeed innovative and progressive, and it has already met the requirements of the application requirements for new types of patents in China's Patent Law. 7 M432082 [Simple description of the diagram] Fig. 1 ·················································· Knife Figure 2 is a partial enlarged view of the light guiding structure of the illuminated keyboard of Figure 1, which shows the assembled structure of a single button. Fig. 3. Schematic diagram of the structure of the light guiding film of Fig. 1 _ ° • [Description of main components] 10: Keyboard 11: bridge 111 • 轴 axis 112: sliding shaft 113: sliding shaft 114: the pivot is 12 . Light-transmitting keycap 121: pivoting groove 122: guide groove 125: pressing portion <13: spacer 131: through-hole 14: elastic member 141: pressing 杈 15: film circuit board. 151: breaking point