M309156 八、新型說明： 【新型所屬之技術領域】 本創作是有_按鍵鍵盤H改良結構，特別是指 -種光源用量少、低耗能且亮度均勻之鍵财光結構。 【先前技術】 ^現代3 C產品之結構中’有許多各種按鍵鍵盤之應 用形態，但不論其鍵盤為何種之結構，皆必須有適當之背 光結構作為其於光線不足時之照明光源，而習見按鍵鍵盤 之背光結構，較傳統者，有如第„、二圖所示，其係於一 電路板1之一表側設有複數分離之彈片丄2，且於各彈片 1 1之間依需要設置複數發光二極體3，—可透光之鍵盤 2 0係蓋合於該電路板i具彈片丄丄之—側，於該鍵盤2 0上設有複數按鍵2 〇 i分別對應於電路板丄之各彈片1 1，且於各按鍵2 〇 i之間設有複數凹部2 〇 2分別對應 於各發光—極體3 ’-反光片4 Q設於該電路板i與鍵盤 2 〇之間，於該反光片4 0上設有複數容置孔洞4 〇丄分 別對應於各發光二極體3之位置，使該鍵盤2 〇與電路板 1夾合反光片4 0時，該複數發光二極體3可容置於反光 片4 0之容置孔洞4 〇 1及鍵盤2〇之凹部2〇2内，當 該按鍵2 0 1受按麼時’可經由反光片4 〇而觸動電路： 1上相對應之彈片1 1，而該發光二極體3所發出之光線 二則可經由周緣之反光片4 〇而向上反射通過鍵盤2 〇， 藉以形成一鍵盤2 〇之背光結構；然而，上述此種結構中， M309156 其由於反光片4 0僅可單純的反射光線，而不具有光線均 勻及擴散效果，因此，其整體之背光效果會呈現出部份位 置（發光二極體3設置之部位）周緣具有高亮度，其餘部 位則亮度較差，此種亮度不均勻之情形為其應用上之一大 缺失。 .. 另有如第三、四圖所示之結構，其係直接將一可透光 之鍵盤2貼設於一可透光之電路板1 0之一表侧，並於該 $ 電路板10上臨鍵盤2之一侧設有複數彈片111對應於 鍵盤2之各按鍵2 1，而該電路板1 0之另一側表面則設 有複數發光二極體3，且以一導光板5 0貼合於該鍵盤2 具複數發光二極體3之一側表面，於該導光板5 0上設有 複數容置孔洞5 0 1對應於各發光二極體3之位置，且設 有複數印刷區5 0 2對應於電路板1 0之彈片1 1 1，最 後，以一反光片4 0 0蓋合於導光板5 0，使複數發光二 極體3可容置於導光板5 0之容置孔洞5 0 1内，當該按 馨 鍵2 1受按壓時，其可直接觸動電路板1 0上相對應之彈 片1 1 1，而該發光二極體3所發出之光線，部份可直接 向上通過電路板1 0、鍵盤2，其餘之光線則可向下由反 光片4 0 0反射，再通過導光板5 0加以均勻擴散，最後 向上通過電路板1 0、鍵盤2形成一完整之背光結構，其 由於部份光線會經由導光板5 0均勻擴散，因此會使整體 之背光呈現較均勻之狀態；然而，上述之此種結構，其由 於發光二極體3之光線必須穿透電路板10方能通過鍵盤 2成為背光，因此，其整體之背光光線亮度較低，且發光 M309156 此為其應用上之一有 二極體3之用量及其耗能無法減少， 待改進之處。 有鑑於習見之按鍵鍵盤背偏 人乃針對該些缺點研究：边之缺點，創作 之遏，終於有本創作產生。 【新型内容】 本創作之主要目的在於接 結構’其整體背光具有較均句按鍵鍵盤之背光改良 質。 t焭度，可有效提昇背光品 本創作之另一目的在於蔣 結構，其可有效減少種缝鍵盤之背光改良 本創作為料上耗能’降低制成本。 包括：-電路板，於—表 M i仃的技術手段 間依需要設置複數料二極體有她⑽各彈片之 於該電路板具彈片 ，可透光之鍵盤，係蓋合 別對應於電路 ^之各彈片側於该鍵盤上設有複數按鍵分 光板之間，於該反光片上:二置:於該電路板、導 二極體’使該反光片貼合於電:::置:洞對树發光 置各發光二極體；—可❹ "° 4容置孔洞容 片之間，於Mu^ 導光板，設於該鍵盤、反光 鍵盤之按鍵鍵H容置_分別對應於 或另-側周緣環3=2區於該按細同臨鍵盤之-側 至於本創作之詳細構造 參照下列依附圖所作之,』原1作用與功效，則 芝。 兄明即可得到完全的瞭解： M309156 【實施方式】 如第一至四圖所示，其為習見之各種按键鍵盤之背光 結構’其主要構成以及其缺失，已如前所述，此處不再重 複敘述。 第五圖係本創作之構造分解圖，由其參照第六、七圖 . 之組合示意圖及平面組合剖面圖，可以很明顯地看出，本 創作主要包括：電路板1、鍵盤2、發光二極體3、反光 片4及導光板5等部份，其中該電路板1於一表侧設有複 ® 數分離之彈片1 1，且複數發光二極體3係設置於各彈片 1 1之間適當位置，可透光之鍵盤2上設有複數按键2 1 分別對應於電路板1之各彈片1 1，反光片4上設有複數 容置孔洞4 1對應於各發光二極體3，使該反光片4可貼 合於電路板1上，並以各容置孔洞4 1容置各發光二極體 3，導光板5係以可透光材質製成，其係設於該鍵盤2與 反光片4之間，由於為考慮該5、4疊合後之厚度對鍵盤 • 2之按鍵2 1接觸電路板1之彈片1 1動作之影響，因此 ，於導光板5上設有複數按鍵孔洞5 1分別對應於鍵盤2 之按鍵2 1，以利於鍵盤2之按鍵2 1穿過並經由反光片 4與電路板1之彈片1 1接觸，且於該按鍵孔洞5 1臨鍵 盤2 —側或另一侧周緣環設有一加工區5 2，而該導光板 5於各按鍵孔洞5 1之間則設有複數容置孔洞5 3對應於 各發光二極體3; 使用時，當該按鍵2 1受按壓時，其可通過導光板5 之按鍵孔洞5 1並經由反光片4而觸動電路板1上相對應 M309156 之彈片1 1，而該發光二極體3所發出之光線，以水平方 向通過容置孔洞5 3之内周緣進入導光板5，遇到加工區 5 2即垂直上下反射，反射光源向下，則經由反光片4再 向上反射形成背光效果。 上述結構中’其加工區5 2除可直接以油墨印刷外， 亦可經由雷射雕刻、模具咬花、延壓、針刺、沈孔、盲孔 及蝕刻等各方式成型；且該加工區5 2之寬度以小於30 mm為較佳，而該按鍵孔洞5 1内周緣呈光滑表面外，其 垂直度之誤差以1度内為較佳。 本創作上述之結構，其由於導光板5、反光片4係直M309156 VIII, new description: [New technology field] This creation has _ button keyboard H improved structure, especially refers to a kind of light source with less light source, low energy consumption and uniform brightness. [Prior Art] ^The structure of modern 3 C products has many application forms of various keypads, but regardless of the structure of the keyboard, it must have a proper backlight structure as its illumination source when the light is insufficient. The backlight structure of the key keyboard is more conventional than that shown in the first and second figures. It is provided on the front side of one of the circuit boards 1 with a plurality of separated elastic pieces , 2, and a plurality of elastic pieces are arranged between the respective elastic pieces 1 1 as needed. The light-emitting diode 3, the light-transmissive keyboard 20 is attached to the side of the circuit board, and the plurality of keys 2 〇i are respectively corresponding to the circuit board. Each of the elastic pieces 1 1 is provided with a plurality of concave portions 2 〇 2 between the respective keys 2 〇 i respectively corresponding to the respective light-emitting body bodies 3 ′ - the retroreflective sheet 4 Q is disposed between the circuit board i and the keyboard 2 , The reflective sheet 40 is provided with a plurality of accommodating holes 4 对应 corresponding to the positions of the respective illuminating diodes 3, so that the keyboard 2 〇 and the circuit board 1 are sandwiched with the reflecting sheet 40, the plurality of illuminating diodes 3 can accommodate the hole 4 〇 1 of the reflector 40 and the recess 2 〇 2 of the keyboard 2 Inside, when the button 2 0 1 is pressed, 'the circuit can be touched via the reflector 4 :: 1 corresponding to the elastic piece 1 1, and the light emitted by the light-emitting diode 3 can be reflected by the periphery The sheet 4 is reflected upward through the keyboard 2 〇 to form a keyboard 2 背光 backlight structure; however, in the above structure, the M309156 can only reflect light simply because the reflector 40 does not have uniform light and spread. The effect, therefore, the overall backlight effect will show a part of the position (the portion where the light-emitting diode 3 is disposed) has a high brightness on the periphery, and the other parts have a poor brightness, and the uneven brightness is one of the applications. In addition, as shown in the third and fourth figures, the keyboard 2 is directly affixed to a front side of a light-transmissive circuit board 10, and the circuit board is 10 on one side of the keyboard 2 is provided with a plurality of elastic pieces 111 corresponding to the keys 2 1 of the keyboard 2, and the other side surface of the circuit board 10 is provided with a plurality of light-emitting diodes 3, and a light guide plate 5 0 attached to the keyboard 2 with one side of the plurality of LEDs 3 The surface of the light guide plate 50 is provided with a plurality of accommodating holes 501 corresponding to the positions of the respective illuminating diodes 3, and a plurality of printing areas 502 corresponding to the shrapnel 1 1 of the circuit board 10 are disposed. Finally, a light-reflecting sheet 400 is covered by the light-guiding plate 50, so that the plurality of light-emitting diodes 3 can be accommodated in the receiving hole 501 of the light-guiding plate 50, and when the pressing button 2 1 is pressed When it is in direct contact with the corresponding elastic piece 11 1 on the movable circuit board 10, the light emitted by the light-emitting diode 3 can be directly passed upward through the circuit board 10 and the keyboard 2, and the rest of the light can be The light is reflected downward by the reflector 40, and then uniformly diffused by the light guide plate 50. Finally, the circuit board 10 and the keyboard 2 are formed upward to form a complete backlight structure, which is uniformly diffused by the light guide plate 50. Therefore, the overall backlight is rendered in a relatively uniform state; however, in the above structure, since the light of the light-emitting diode 3 must penetrate the circuit board 10, the backlight can be turned through the keyboard 2, and thus the overall backlight The brightness of the light is low, and the light M309156 is one of the two poles for its application. 3 and the amount of energy consumption can not be reduced, to be desired. In view of the fact that the keystrokes of the keyboards are used to study these shortcomings: the shortcomings of the side, the suppression of creation, finally have this creation. [New Content] The main purpose of this creation is to connect the structure's overall backlight to have a backlight improvement of a more uniform key keyboard. t焭 degree, can effectively improve the backlight. Another purpose of this creation is the Jiang structure, which can effectively reduce the backlight improvement of the sewing keyboard. Including: - circuit board, between the technical means of the table M i仃 as needed to set the plurality of materials diodes have her (10) each shrapnel on the circuit board with shrapnel, the keyboard can be transparent, the cover corresponds to the circuit Each of the shrapnels is disposed on the keyboard with a plurality of button splitter plates, and on the reflective sheet: two places: the circuit board and the lead diodes are attached to the electric reflector:::: hole Light-emitting diodes are arranged on the tree; - ❹ quot quot ° 容 容 容 容 容 容 容 容 容 容 容 容 容 容 容 容 容 容 容 容 容 容 容 容 容 容 容 容 M M M M M M M M M M M M M M M M - The side circumference ring 3 = 2 area in the detailed side of the keyboard to the side of the creation of the detailed structure of the present reference to the following according to the drawings, "the original 1 role and efficacy, then Shiba. Brothers can get a complete understanding: M309156 [Embodiment] As shown in the first to fourth figures, it is the backlight structure of various key keyboards of the same as its main components and its missing, as mentioned above, here is not Repeat the description. The fifth figure is a structural exploded view of the creation. It can be clearly seen from the combination diagram of the sixth and seventh diagrams and the plane combination profile. The creation mainly includes: circuit board 1, keyboard 2, and light-emitting two. a portion of the polar body 3, the retroreflective sheeting 4, the light guide plate 5, and the like, wherein the circuit board 1 is provided with a plurality of elastic pieces 1 1 separated by a plurality of light-emitting diodes 1 and a plurality of light-emitting diodes 3 are disposed on each of the elastic pieces 1 1 In the appropriate position, the transparent keyboard 2 is provided with a plurality of buttons 2 1 respectively corresponding to the respective elastic pieces 1 1 of the circuit board 1 , and the reflective sheet 4 is provided with a plurality of receiving holes 4 1 corresponding to the respective LEDs 3 , The light-reflecting sheet 4 can be attached to the circuit board 1 , and each of the light-emitting diodes 3 is accommodated in each of the accommodating holes 4 1 . The light-guiding plate 5 is made of a light-transmissive material, and is disposed on the keyboard 2 . Between the retroreflective sheet 4 and the reed sheet 4, since the thickness of the 5 and 4 superimposed layers is affected by the action of the keyboard 2 1 of the keyboard 2 touching the reel 1 1 of the circuit board 1, a plurality of buttons are disposed on the light guide plate 5. The holes 5 1 respectively correspond to the keys 2 1 of the keyboard 2 to facilitate the passage of the keys 2 1 of the keyboard 2 and via the reflective sheet 4 and the circuit board 1 The elastic piece 1 1 is in contact with the processing, and a processing area 52 is disposed on the side of the key hole 5 1 on the side of the keyboard 2 or the other side of the keyboard. The light guide plate 5 is provided with a plurality of accommodations between the key holes 5 1 . The hole 5 3 corresponds to each of the light-emitting diodes 3; in use, when the button 2 1 is pressed, it can pass through the button hole 5 1 of the light guide plate 5 and via the light-reflecting sheet 4 to touch the corresponding M309156 on the circuit board 1 The shrapnel 1 1 and the light emitted by the light-emitting diode 3 enter the light guide plate 5 through the inner circumference of the accommodating hole 53 in the horizontal direction, and the vertical processing is performed up and down, and the reflected light source is downward. The backlight is further reflected by the retroreflective sheet 4 to form a backlight effect. In the above structure, the processing zone 52 can be directly printed by ink, and can also be formed by laser engraving, die biting, rolling, needle punching, countersinking, blind hole and etching; and the processing zone The width of 5 2 is preferably less than 30 mm, and the inner circumference of the button hole 5 1 has a smooth surface, and the error of the perpendicularity is preferably within 1 degree. The above structure of the present invention is that the light guide plate 5 and the light reflection sheet 4 are straight.
接設置於鍵盤2之底側，因此，可以極低之耗能而產生均 勻之背光，可廣泛適用於各種3C產品，如：p D a、pDA PHONE、室内電話、手機、GPS PDA、pURE Gps、印表 機、影印機、傳真機、筆記型電腦、個人電腦、語言 機、遊戲機、提款機、售票機、遙控器等；或各種產 品，如：冷氣機面板、汽車音響操作面板、電 操作面板等。 电冰相或其它 .......x啤规篮惑I无改_钍摄a 具有低成本、低耗能且亮度㈣之功效，構確實 之利用性、新穎性及進步性。 ^有產業上 惟以上所述者，僅為本創作之—較佳實 非用來限定本創作實施之範圍。即凡依本創並 ，所作之均等變化與修飾，皆為本創作專=專利範 【圖式簡單說明】 轨圍所涵蓋。 M309156 U係：習見按鍵鍵盤之背光結構分解圖。 圖係第一圖之平面組合剖面圖。 f二圖係m按鍵鍵盤之#光結構分解圖 弟四圖係第三圖之平面組合剖面圖。 第五圖係本創作之構造分解圖。 第六圖係本創作之組合示意圖。 ' 第七圖係本創作之平面組合剖面圖。 【主要元件符號說明】 1、電路板 11…·彈片 2 ' 20·...鍵盤 2卜2〇1....按鍵 202.. .凹部 3 .....發光二極體 • 4、40、400...反光片 41、401、501、53....容置孔洞 5、50....導光板 51.. ..按鍵孔洞 52、502...加工區 111….彈片 10It is installed on the bottom side of the keyboard 2, so it can produce uniform backlight with very low energy consumption. It can be widely used in various 3C products, such as: p D a, pDA PHONE, indoor phone, mobile phone, GPS PDA, pURE Gps , printers, photocopiers, fax machines, notebook computers, personal computers, language machines, game consoles, cash machines, ticket vending machines, remote controls, etc.; or various products, such as: air-conditioner panels, car audio operation panels, Electrical operation panel, etc. Electric ice phase or other .... x beer regulation basket I have no change _ 钍 photo a has low cost, low energy consumption and brightness (four) effect, the structure of the use of the nature, novelty and progress. ^In the industry, the above is only for the purpose of this creation - it is not intended to limit the scope of this creation. That is to say, according to the creation of the merger, the equal changes and modifications made by this is the creation of the patent = patent model [simple description of the schema] covered by the track. M309156 U series: Explain the backlight structure of the button keyboard. The plan is a combined sectional view of the first figure. f The second figure is the light structure decomposition diagram of the m-keyboard. The fourth figure of the brother is the plane combination sectional view of the third figure. The fifth picture is a structural exploded view of the creation. The sixth picture is a combination diagram of the creation. The seventh picture is a sectional combination of the creation of this creation. [Description of main component symbols] 1. Circuit board 11...·Spring 2 '20·...Keyboard 2 Bu 2〇1....Button 202.. recess 3 .....Lighting diode • 4, 40, 400... Reflective sheet 41, 401, 501, 53.... accommodating holes 5, 50.... Light guide plate 51... Button hole 52, 502... Processing area 111.... 10