M4.12409 五、新型說明： 【新型所屬之技術領域】 本創作係有關於一種輸入裝置，尤指一種可有效解決 按鍵透光區域混光不均問題的輸入褒置。 . 【先前技術】 一般應用於電腦系統之輸入裴置，包括鍵盤、滑鼠等 ‘ 裝置，而鍵盤是目前最普遍使用之輸入裝置，其可以應用 於電腦、個人數位助理、手機或任何需要設置按鍵輸入之 電子設備’此外，採用薄膜開關（thin film switch)之鍵 盤由於體積更為薄蜜化’且按壓時所產生之聲響較小，因 此被業者廣泛使用。而鍵盤除了具備作為輸入介面之基本 功能外，目前市面上可見之發光鍵盤，其作用在於提供使 用者於光照不佳之環境中’仍可準確按壓按鍵位置而不致 輸入錯誤。 φ. 為符合薄塑化需求，發光鍵盤大多採用體積小巧的發 光二極體作為發光源，而於鍵盤内設置發光二極體的方式 可概分為二種，其中一種方式’係將發光二極體陣列於鍵 盤一侧或二侧，使陣列發光二極體的光線由鍵盤側邊射向 鍵盤内’另一種方式則是將發光二極體對稱陣列於鍵盤約 中央部位，陣列發光二極體的光線是由鍵盤中央射向鍵盤 二側邊。 請參閱第一圖戶斤示的發光鍵盤結構示意圖’該鍵盤1 〇 具有複數按韃11，該複數按鍵11之尺寸依實際需要會有 3 M412409 大小不同的設計，於該按鍵11底部之該鍵盤1Q内部之一 側設有陣列的複數發光二極體12，於按鍵U設有透光區 域111 ’該透光區域111可為字元、符號或標誌，例 如” Esc” 、’，Tab”或箭頭、驚嘆號，發光二極體12所發 出的光線可透過透光區域111射出按鍵J J，使按鍵11以 及鍵盤10呈現發光效果，由於發光二極體12的光線是由 R G B一原色光構成，必須提供足夠的混光空間及混光 距離’方能使R、G、B三原色光均勻混光為白光，但基於 鍵盤10體積輕薄小巧的需求，導致按鍵^尺寸以及按鍵 11之間的距離都必須縮小，以第一圖所示按鍵u而言， 發光二極體12的出光面121發出R、G、B三原色光，於發 ^極體12的出光面121之—側具有—混光不均區域 二了T光不均區⑽内的㈠七原色光無法混 :即該混光不均區物戶斤呈現的光線並非白 :透：ίΓ工、•、藍三色分離且混合不均的現象，因 此透出錢絲域ln之域無法 於透光區域111靠折Rm J 九且由 之光線會偏向紅色。 因此透出該透光區域111 【新型内容】 有鑑於習知 可有效解決按鍵 為達到上述 一基板； 技術之缺失，本創作提出一種輪入裝置 透光區域混光不均問題。 目的，本創作提出一種輸入裝置，包含 财12409 至少一按鍵，係設置於兮其 至少1光區域； …基板上，該至少-按鍵具有 ―導光模組，係設置於該基板之下方；以及 發光模組，係設置於該莫 板所涵蓋之範圍内，該發光=狀下方且位於該基 發光單元，該複數個發光單元# 料板以及複數個 數個發光單元包括至少該電路板上，該複 二發光單元，該第-發光單元之=早7^及至少-個第 該弟一方向與該第二方向相互垂直。 弟一方门 進4: 了;本創作之結構目的和功效有更 了解與糾1配合圖示詳細說明如后。 【實施方式】 用的技術:二之圖式來描述本創作為達成目的所使 W明，以t 以下圖式所列舉之實施例僅為輔 於所列舉1U。貝審查委員瞭解’但本案之技術手段並不限 之一二圖及第三圖所示本創作所提供的輸入裝置 說明二二:結構示意圖’本實施例係以一發光鍵盤20作為 来;r έ二'光鍵盤2〇包括一基板21、複數按鍵22、一導 果、、且以及一發光模組24。 姑所鍵22係設置於基板21上，按鍵22係為不透光 貝，；安鍵22設有—個或一個以上的透光區域221，該 5 M412409 透光區域221係可提供光線通過，該複數按鍵22依實際需 要設計具有不同外型及尺寸，於按鍵22與基板21之間設 有彈性體222以及剪刀式結構223，藉由彈性體222以及 剪刀式結構223支撐按鍵22具有一高度及按壓彈性。 導光模組23係設置於基板21之下方，導光模組23包 括一反射層231、一導光板232以及一遮蔽層233，反射層 231係具有不透光性且設置於導光板232之下方，遮蔽層 233係設置於導光板232之上方，並具有一不透光區域2331 及一可透光區域2332 ’於基板21設有一透空部211，該透 空部211係對應於可透光區域2332,此外，於本實施例中， 導光板232及遮蔽層233之間設有一薄膜開關25，彈性體 222底部設有一作動柱2221，當使用者按壓按鍵22，可壓 迫彈性體222並帶動作動柱2221下沉通過透空部211及可 透光區域2332，再壓迫薄膜開關25使其電性導通，但必 須，明的是，薄膜開關25所設置的位置並不限於圖示了可 以貫際需要而設計，圖示僅為一說明例而已。 其次，發光模組24係設置於導光模組23之下方且位 於基板21所涵蓋之範圍内’發光模組24包含—電路板 241、一個第一發光單元242以及複數個第二發光單元 Γ 丄電路板241係一軟性電路板，第一發光單元242及 =發，單元243為發光二極體元件，該第一發光單元挪 面=弟一出光面2421，第一發光單元⑽係由第一出光 β 一肩^出一第一光線2422’該第—光線2422包含R、G、 二原色光，且於第-綠2422投射之路徑中形成一第一 M412409 混光區域2423，於第一混光區域2423與第一出光面2421 之間為混光不均區域，於混光不均區域内所呈現的光線並 非白光，而是會呈現紅、綠、藍三色分離且混合不均的現 象，該第二發光單元243具有一第二出光面2431，第二發 光單元243係由該第二出光面2431發出一第二光線2432, 且於第二光線2432投射之路徑中形成一第二混光區域 2433，於第二混光區域2433與第二出光面2431之間為混 . 光不均區域，於混光不均區域内所呈現的光線並非白光， • 而是會呈現紅、綠、藍三色分離且混合不均的現象，第一 發光單元242及第二發光單元243係耦接於電路板241 上，必須說明的是，由於第一光線2422及二光線2432均 具有擴散性，因此上述第一混光區域2423及第二混光區域 2433並不會侷限於所示區域範圍内，而是會融合為一均勻 發光範圍，圖示框型混光區域僅用以說明而已，本創作之 特點在於，該複數個第二發光單元243係平行於一第一方 向F1排列為一列，且該複數個第二發光單元243之第二出 I 光面2431朝向同一方向，如圖所示，該第二發光單元243 - 之出光方向係平行於一第二方向F2,第一方向F1與第二 方向F2相互垂直，而第一發光單元242係設置於該列複數 個第二發光單元243之其中一端（圖示為下端）之該第二發 光單元243之一側，且該第一發光單元242係設置於該第 二發光單元243相對於該第二出光面2431之一面之一側， 該第一發光單元242之出光方向係平行於該第一方向F1， 該複數按鍵22之透光區域221之位置係對應於第一混光區 域2423或第二混光區域2433，該第一發光單元242及第 M412409 二發光單元243穿過該反射層231並伸入導光板232内（如 第三圖之第二發光單元243所示態樣），該導光板232係用 以傳導該第一發光單元242及第二發光單元243所發出之 第一光線2422及第二光線2432，並由反射層231反射光 線，第一光線2422及第二光線2432由可透光區域2332以 及透空部211透出並射向按鍵22，即可使按鍵22之透光 區域221發光，由於透光區域221對應於第一混光區域2423 或第二混光區域2433，因此可以避免混光不均的現象。例 如第二圖所示發光鍵盤20之左側具有排列為一列之複數 按鍵22，該複數按鍵22係平行於該第一方向F1排列，該 複數按鍵22之透光區域221係對應於該複數個第二發光單 元243之相對於該第二出光面2431之一面之一侧，且該複 數按鍵22之透光區域221係對應於第一混光區域2423， 因此該複數按鍵22之透光區域221均可透出均勻的白光。 請參閱第四圖所示，其係於一發光鍵盤30内部兩側設 有二組發光單元，包括位於左側之二個第一發光單元242a 及複數個第二發光單元243a，以及位於右側之二個第一發 光單元242b及複數個第二發光單元243b，就左側之二個 第一發光單元242a及複數個第二發光單元243a而言，其 設置的型態與第二圖所示實施例之差異在於，該二個第一 發光單元242a係並排設置於該列複數個第二發光單元 243a之上端相對於第二出光面2431a之一面之一側，該第 一發光單元243a之出光方向平行於第一方向F1，第二發 光單元243a之出光方向平行於第二方向F2且射向發光鍵 M412409 盤30中央，再就右側之二個第一發光單元242b及複數個 第二發光單元243b而言，其複數個第二發光單元243b大 致平行於第二方向F2排成一列，其中至少二個第二發光單 元243b係錯位設置，其目的在於依據按鍵及透光區域之尺 寸或位置，使發光單元243b之混光不均區域避開按鍵之透 光區域，該複數個第二發光單元243b之出光方向平行於第 二方向F2且射向發光鍵盤30中央，該二個第一發光單元 242b係並排設置於該列複數個第二發光單元243a之下端 相對於第二出光面2431b之一面之一側，該第一發光單元 243b之出光方向平行於第一方向F1。 請參閱第五圖所示，其係於一發光鍵盤40内部兩側設 有二組發光單元，包括位於左側之二個第一發光單元242c 及複數個第二發光單元243c，以及位於右側之二個第一發 光單元242d及複數個第二發光單元243d，本實施例與第 四圖實施例之主要差異在於，第二發光單元243c、243d係 設置於發光鍵盤40中央部位，且第二發光單元243c、243d 之第二出光面2431c、2431d係分別朝向發光鍵盤40兩側， 第一發光單元242c、242d係分別設置於第二發光單元 243c、243d 之第二出光面 2431c、2431d 之一側。 综上所述，本創作提供之輸入裝置，其複數發光單元 之位置具有特殊設計，使按鍵透光區域避開發光單元的混 光不均區域，可有效解決按鍵透光區域混光不均問題，以 第二圖、第四圖及第五圖實施例則顯示，本創作所設置之 發光單元之數量及設置方式沒有一定限制，只要依循部分 9 M412409 發光單元之出光方向與其他發光單元之出光方向相互垂 直，且使按鍵透光區域可避開發光單元的混光不均區域之 設計原則即可。 惟以上所~述者，僅為本創作之實施例而已，當不能以 之限定本創作所實施之範圍。即大凡依本創作申請專利範 圍所作之均等變化與修飾，皆應仍屬於本創作專利涵蓋之 範圍内，謹請貴審查委員明鑑，並祈惠准，是所至禱。 10 M412409 【圓式簡單說明】 第一圖係習知發光鍵盤之結構示意圖。 第二圖係本創作之一實施例之結構示意圖。 第三圖係第二圖之A-A剖面結構示意圖。 第四圖及第五圖係本創作其他不同實施例之結構示意 【主要元件符號說明】 先前技術： 10- 鍵盤 11- 按鍵 111-透光區域 12- 發光二極體 121- 出光面 122- 混光不均區域 本創作： 20 ' 30、40-發光鍵盤 21-基板 211-透空部 2 2 _按鍵 221- 透光區域 222- 彈性體 2221-作動柱 11 M412409 223-剪刀式結構 23- 導光模組 231- 反射層 232- 導光板 233- 遮蔽層 2331- 不透光區域 2332- 可透光區域 24- 發光模組 241-電路板 242、 242a、242b、242c、242d-第一發光單元 2421 -第一出光面 2422- 第一光線 2423- 第一混光區域 243、 243a、243b、243c、243d-第二發光單元 2431、2431a、2431b、2431c、2431d—第二出光面 2432- 第二光線 2433- 第二混光區域 25- 薄膜開關 F1 -第一方向 F2-第二方向 12M4.12409 V. New description: [New technical field] This creation is about an input device, especially an input device that can effectively solve the problem of uneven light mixing in the light-transmitting area of the button. [Prior Art] Generally used in computer system input devices, including keyboards, mice, etc., and the keyboard is currently the most commonly used input device, which can be applied to computers, personal digital assistants, mobile phones or any need to set The electronic device for key input 'In addition, the keyboard using the thin film switch is widely used by the manufacturer because of the thinner and thinner quality and the smaller sound generated when pressing. In addition to the basic functions of the keyboard as an input interface, the illuminated keyboard currently available on the market is designed to provide the user with the ability to accurately press the button position without input errors in an environment with poor illumination. Φ. In order to meet the requirements of thin plasticization, most of the illuminating keyboards use small-sized LEDs as the illuminating source, and the way to set the illuminating diodes in the keyboard can be divided into two types, one of which is 'the light will be two The polar body array is on one side or two sides of the keyboard, so that the light of the array light-emitting diode is emitted from the side of the keyboard into the keyboard. The other way is to symmetrically array the light-emitting diodes on the central part of the keyboard, and the array light-emitting diodes The light of the body is directed from the center of the keyboard to the side of the keyboard. Please refer to the schematic diagram of the structure of the illuminated keyboard shown in the first figure. The keyboard 1 has a plurality of buttons 11 , and the size of the plurality of buttons 11 has a different size of 3 M412409 according to actual needs. The keyboard at the bottom of the button 11 One of the inner sides of the 1Q is provided with an array of a plurality of light-emitting diodes 12, and the button U is provided with a light-transmitting region 111'. The light-transmitting region 111 can be a character, a symbol or a logo, such as " Esc", ', Tab" or The arrow, the exclamation point, and the light emitted by the light-emitting diode 12 can emit the button JJ through the light-transmitting region 111, so that the button 11 and the keyboard 10 exhibit a light-emitting effect. Since the light of the light-emitting diode 12 is composed of RGB-primary light, it is necessary to Providing sufficient light mixing space and mixing distance 'to make the R, G, B three primary colors evenly mixed into white light, but based on the light and small size of the keyboard 10, the size of the button and the distance between the buttons 11 must be In the case of the button u shown in the first figure, the light-emitting surface 121 of the light-emitting diode 12 emits three primary colors of R, G, and B, and has a light-mixing unevenness on the side of the light-emitting surface 121 of the emitter 12 Area two has T The (one) seven primary colors in the uneven area (10) cannot be mixed: that is, the light in the uneven light distribution area is not white: the phenomenon that the three colors are separated and unevenly mixed, so The domain of the money field ln cannot be folded in the light-transmitting region 111 by Rm J 9 and the light will be biased toward red. Therefore, the light-transmitting region 111 is exposed. [New content] In view of the conventional solution, the button can be effectively solved to achieve the above substrate. The lack of technology, this creation proposes a problem of uneven light mixing in the light-transmitting area of the wheel-in device. The purpose of the present invention is to provide an input device comprising at least one button, which is disposed on at least one light region of the wheeled device; The at least-button has a light guiding module disposed under the substrate, and the light emitting module is disposed within a range covered by the flashing plate, and the light emitting is below and located at the base light emitting unit. a plurality of light-emitting units #1 and a plurality of light-emitting units including at least the circuit board, the second light-emitting unit, the first-light-emitting unit=early 7^ and at least one of the first one and the second Direction phase Vertical. The younger one enters 4: The structure purpose and function of this creation have a better understanding and correction. The detailed description of the figure is as follows. [Embodiment] The technique used: the second diagram to describe the creation for the purpose. The examples listed in the following diagrams are only supplemented by the enumerated 1U. The reviewer understands 'but the technical means of this case are not limited to one of the two figures and the third figure shows the creation of this creation. The input device description 22: structure schematic 'this embodiment is based on an illuminated keyboard 20; r έ 2 'optical keyboard 2 〇 includes a substrate 21, a plurality of buttons 22, a guide, and a lighting module 24. The button 22 is disposed on the substrate 21, and the button 22 is opaque, and the button 22 is provided with one or more transparent regions 221, and the 5 M412409 transparent region 221 provides light. The plurality of buttons 22 are designed to have different shapes and sizes according to actual needs. An elastic body 222 and a scissor structure 223 are disposed between the button 22 and the substrate 21, and the button 22 is supported by the elastic body 222 and the scissor structure 223. A height and compression elasticity. The light guide module 23 is disposed under the substrate 21, and the light guide module 23 includes a reflective layer 231, a light guide plate 232, and a shielding layer 233. The reflective layer 231 is opaque and disposed on the light guide plate 232. The shielding layer 233 is disposed above the light guide plate 232, and has an opaque region 2331 and a permeable region 2332'. The substrate 21 is provided with a transparent portion 211 corresponding to the transparent portion 211. In the present embodiment, a membrane switch 25 is disposed between the light guide plate 232 and the shielding layer 233, and a working column 2221 is disposed at the bottom of the elastic body 222. When the user presses the button 22, the elastic body 222 can be pressed. The action moving column 2221 is sunk through the transparent portion 211 and the permeable region 2332, and then the membrane switch 25 is pressed to be electrically connected. However, it must be noted that the position of the membrane switch 25 is not limited to the illustrated one. Designed as needed, the illustration is only an illustrative example. The illumination module 24 is disposed below the light guide module 23 and is located within the range covered by the substrate 21. The illumination module 24 includes a circuit board 241, a first illumination unit 242, and a plurality of second illumination units. The first circuit board 241 is a flexible circuit board, the first light-emitting unit 242 and the second light-emitting unit 243 are light-emitting diode elements, and the first light-emitting unit has a surface=the light-emitting surface 2421, and the first light-emitting unit (10) is a first light ray 2422', the first light ray 2422 includes R, G, and two primary colors, and a first M412409 light mixing region 2423 is formed in the path projected by the first green 2422. The light-mixing area 2423 and the first light-emitting surface 2421 are light-mixing uneven areas, and the light light in the light-mixing uneven area is not white light, but the red, green, and blue colors are separated and unevenly mixed. The second light-emitting unit 243 has a second light-emitting surface 2431. The second light-emitting unit 243 emits a second light 2432 from the second light-emitting surface 2431, and forms a second in the path projected by the second light 2432. The light mixing region 2433 is in the second light mixing region 24 Between the 33 and the second illuminating surface 2431, the light unevenness region is not white light in the uneven light mixing region, but the red, green, and blue colors are separated and unevenly mixed. The first light-emitting unit 242 and the second light-emitting unit 243 are coupled to the circuit board 241. It should be noted that since the first light 2422 and the two light rays 2432 are diffusive, the first light-mixing area 2423 and the first The two mixed light regions 2433 are not limited to the range of the illustrated area, but are fused into a uniform light-emitting range. The illustrated frame-type light-mixing area is for illustrative purposes only, and the present invention is characterized by the plurality of second The light emitting units 243 are arranged in a row parallel to a first direction F1, and the second light emitting surfaces 2431 of the plurality of second light emitting units 243 are oriented in the same direction. As shown, the second light emitting unit 243 - emits light. The direction is parallel to a second direction F2, and the first direction F1 and the second direction F2 are perpendicular to each other, and the first light-emitting unit 242 is disposed at one end (shown as a lower end) of the plurality of second light-emitting units 243. The second light emitting unit 24 One side of the third light-emitting unit 242 is disposed on one side of the second light-emitting unit 243 opposite to the second light-emitting surface 2431, and the light-emitting direction of the first light-emitting unit 242 is parallel to the first In the direction F1, the position of the transparent area 221 of the plurality of keys 22 corresponds to the first light mixing area 2423 or the second light mixing area 2433, and the first light emitting unit 242 and the M412409 second light emitting unit 243 pass through the reflective layer 231. And extending into the light guide plate 232 (as shown in the second light-emitting unit 243 of the third figure), the light guide plate 232 is configured to conduct the first light emitted by the first light-emitting unit 242 and the second light-emitting unit 243. The light source 2422 and the second light ray 2432 are reflected by the reflective layer 231. The first light ray 2422 and the second light ray 2432 are permeable from the permeable region 2332 and the transparent portion 211 and are directed toward the button 22, so that the button 22 can be transparent. The light region 221 emits light, and since the light transmitting region 221 corresponds to the first light mixing region 2423 or the second light mixing region 2433, the phenomenon of uneven light mixing can be avoided. For example, the left side of the illuminated keyboard 20 has a plurality of buttons 22 arranged in a row, the plurality of buttons 22 are arranged parallel to the first direction F1, and the light-transmitting region 221 of the plurality of buttons 22 corresponds to the plurality of The light-emitting area 221 of the plurality of light-emitting units 243 is opposite to the one side of the second light-emitting surface 2431, and the light-transmitting area 221 of the plurality of keys 22 corresponds to the first light-mixing area 2423. Therefore, the light-transmitting areas 221 of the plurality of keys 22 are It can see even white light. Please refer to the fourth figure, which is provided with two groups of light-emitting units on both sides of an illuminated keyboard 30, including two first light-emitting units 242a and a plurality of second light-emitting units 243a on the left side, and two on the right side. The first light-emitting unit 242b and the plurality of second light-emitting units 243b are arranged in the form of the two first light-emitting units 242a and the plurality of second light-emitting units 243a on the left side and the second embodiment. The difference is that the two first light-emitting units 242a are arranged side by side on one side of the upper end of the plurality of second light-emitting units 243a with respect to one side of the second light-emitting surface 2431a, and the light-emitting direction of the first light-emitting unit 243a is parallel to In the first direction F1, the light emitting direction of the second light emitting unit 243a is parallel to the second direction F2 and is directed to the center of the light emitting key M412409, and then to the two first light emitting units 242b and the plurality of second light emitting units 243b on the right side. The plurality of second light emitting units 243b are arranged in a row substantially parallel to the second direction F2, wherein at least two of the second light emitting units 243b are disposed in a wrong position, and the purpose is to use the button and the light transmitting area. The size or position is such that the light-mixing uneven area of the light-emitting unit 243b avoids the light-transmitting area of the button, and the light-emitting directions of the plurality of second light-emitting units 243b are parallel to the second direction F2 and are directed toward the center of the illuminated keyboard 30. The first light-emitting unit 242b is disposed side by side on one side of the lower end of the plurality of second light-emitting units 243a opposite to the second light-emitting surface 2431b, and the light-emitting direction of the first light-emitting unit 243b is parallel to the first direction F1. Referring to FIG. 5, two sets of light-emitting units are disposed on two sides of an illuminated keyboard 40, including two first light-emitting units 242c and a plurality of second light-emitting units 243c on the left side, and two on the right side. The first light-emitting unit 242d and the plurality of second light-emitting units 243d, the main difference between the embodiment and the fourth embodiment is that the second light-emitting units 243c, 243d are disposed at the central portion of the illuminated keyboard 40, and the second light-emitting unit The second light-emitting surfaces 2431c and 2431d of the 243c and 243d are respectively directed to both sides of the illuminated keyboard 40, and the first light-emitting units 242c and 242d are respectively disposed on one side of the second light-emitting surfaces 2431c and 2431d of the second light-emitting units 243c and 243d. In summary, the input device provided by the present invention has a special design of the position of the plurality of light-emitting units, so that the light-transmitting area of the button avoids the uneven light-mixing area of the light-developing unit, and can effectively solve the problem of uneven light mixing in the light-transmitting area of the button. The second, fourth, and fifth embodiments show that the number and arrangement of the illumination units provided in the present creation are not limited, as long as the light exiting direction of the portion 9 M412409 and other light-emitting units are followed. The directions are perpendicular to each other, and the light-transmitting area of the button can avoid the design principle of the light-mixing uneven area of the light unit. However, the above descriptions are only examples of the present invention, and the scope of the creation of the creation cannot be limited. That is to say, the equal changes and modifications made by Dafan in accordance with the scope of application for the creation of this creation should still fall within the scope covered by this creation patent. I would like to ask your review committee to give a clear understanding and pray for it. It is the prayer. 10 M412409 [Circular Simple Description] The first figure is a schematic diagram of the structure of a conventional illuminated keyboard. The second figure is a schematic structural view of an embodiment of the present creation. The third figure is a schematic view of the A-A cross-sectional structure of the second figure. The fourth and fifth figures are schematic diagrams of other different embodiments of the present invention. [Main component symbol description] Prior art: 10-keyboard 11-button 111-light transmitting region 12-lighting diode 121-lighting surface 122-mixing Light uneven area This creation: 20 ' 30, 40-light keyboard 21 - substrate 211 - transparent portion 2 2 _ button 221 - light transmission area 222 - elastic body 2221 - actuating column 11 M412409 223 - scissors structure 23 - guide Light module 231 - reflective layer 232 - light guide plate 233 - shielding layer 2331 - opaque region 2332 - permeable region 24 - lighting module 241 - circuit board 242, 242a, 242b, 242c, 242d - first lighting unit 2421 - first light-emitting surface 2422 - first light ray 2423 - first light-mixing area 243, 243a, 243b, 243c, 243d - second light-emitting unit 2431, 2431a, 2431b, 2431c, 2431d - second light-emitting surface 2432 - second Light 2433 - Second light mixing area 25 - Membrane switch F1 - First direction F2 - Second direction 12