TWI756077B - Keyboard - Google Patents
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- TWI756077B TWI756077B TW110108810A TW110108810A TWI756077B TW I756077 B TWI756077 B TW I756077B TW 110108810 A TW110108810 A TW 110108810A TW 110108810 A TW110108810 A TW 110108810A TW I756077 B TWI756077 B TW I756077B
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Abstract
Description
本發明係關於一種鍵盤,並且特別是關於包含發光元件以及框架且發光元件所發射的光線不會由框架的頂表面散射至使用者的眼睛之鍵盤。The present invention relates to a keyboard, and in particular to a keyboard comprising a light emitting element and a frame, and the light emitted by the light emitting element is not scattered by the top surface of the frame to the eyes of the user.
鍵盤已為市面上常見的輸入周邊裝置。先前技術的鍵盤大多會採用向上發射光線的發光元件做為若干鍵帽上定義指示燈號(例如,大小寫鎖定開啟指示燈號,等)的光源。現行的鍵盤也已有採用向上發射光線的發光元件做為發光按鍵的背光源。The keyboard has become a common input peripheral device in the market. Most keyboards of the prior art use light-emitting elements that emit light upward as light sources for defining indicator lights (eg, caps lock on indicator lights, etc.) on several keycaps. Existing keyboards have also adopted light-emitting elements that emit light upward as backlights for light-emitting keys.
然而,先前技術之鍵盤採用向上發射光線的發光元件,由於未考慮到發光元件設置的位置與鍵盤的元件、構件之間的幾何關係,往往導致由發光元件所發射且射向框架的光線會由框架的頂表面散射至使用者的眼睛。However, the keyboard of the prior art adopts light-emitting elements that emit light upwards. Since the geometrical relationship between the position of the light-emitting element and the elements and components of the keyboard is not considered, the light emitted by the light-emitting element and directed to the frame is often caused by The top surface of the frame scatters to the user's eyes.
因此本發明所欲解決之一技術問題在於提供一種包含發光元件以及框架且發光元件所發射的光線不會由框架的頂表面散射至使用者的眼睛之鍵盤。Therefore, a technical problem to be solved by the present invention is to provide a keyboard including a light-emitting element and a frame, and the light emitted by the light-emitting element will not be scattered to the user's eyes by the top surface of the frame.
根據本發明之一較佳具體實施例之鍵盤包含底板、薄膜開關層、框架、發光元件、鍵帽以及升降機構。底板具有第一通孔。薄膜開關層具有第二通孔以及上表面。薄膜開關層係設置在底板上,致使薄膜開關層的第二通孔對齊底板的第一通孔。框架具有貫通開口以及第一頂表面。框架的貫通開口具有靠近使用者的眼睛之內側壁。框架係設置於薄膜開關層上,致使薄膜開關層的第二通孔位於框架的貫通開口之下方。發光元件具有第二頂表面、垂直第二頂表面之光軸以及環繞光軸且朝上之光覆蓋區。光覆蓋區具有夾角(2 )。發光元件係設置於底板的第一通孔內。鍵帽係置於貫通開口之上,具有下側邊緣。升降機構係設置於底板與鍵帽之間。升降機構限制鍵帽於未按壓位置與按壓位置之間移動。當鍵帽位於按壓位置時,鍵帽的下側邊緣位於框架的貫通開口內。當鍵帽位於未按壓位置時,框架的第一頂表面至薄膜開關層的上表面之第一垂直距離(X)被定義。薄膜開關層的上表面至發光元件的第二頂表面之第二垂直距離(Y)被定義。發光元件之光軸與貫通開口的內側壁之間之水平距離係等於或大於預定距離(Q)。預定距離(Q)係藉由下列公式計算: 。 A keyboard according to a preferred embodiment of the present invention includes a base plate, a membrane switch layer, a frame, a light-emitting element, a keycap, and a lifting mechanism. The bottom plate has a first through hole. The membrane switch layer has a second through hole and an upper surface. The membrane switch layer is disposed on the base plate so that the second through hole of the membrane switch layer is aligned with the first through hole of the base plate. The frame has a through opening and a first top surface. The through opening of the frame has an inner sidewall close to the user's eyes. The frame is disposed on the membrane switch layer, so that the second through hole of the membrane switch layer is located below the through opening of the frame. The light-emitting element has a second top surface, an optical axis perpendicular to the second top surface, and a light coverage area surrounding the optical axis and facing upward. The light footprint has an included angle (2 ). The light emitting element is arranged in the first through hole of the base plate. The keycap is placed on the through opening and has a lower edge. The lifting mechanism is arranged between the bottom plate and the key cap. The lift mechanism restricts the keycap from moving between the unpressed position and the pressed position. When the keycap is in the pressed position, the lower side edge of the keycap is located in the through opening of the frame. A first vertical distance (X) from the first top surface of the frame to the upper surface of the membrane switch layer is defined when the keycap is in the unpressed position. A second vertical distance (Y) from the upper surface of the membrane switch layer to the second top surface of the light emitting element is defined. The horizontal distance between the optical axis of the light-emitting element and the inner sidewall of the through opening is equal to or greater than a predetermined distance (Q). The predetermined distance (Q) is calculated by the following formula: .
於一具體實施例中,光覆蓋區的夾角(2 )的範圍可以從110度至140度。 In a specific embodiment, the included angle of the light coverage area (2 ) can range from 110 degrees to 140 degrees.
進一步,根據本發明之較佳具體實施例之鍵盤還包含電路板。發光元件係電性接合於電路板上。電路板係設置於底板的下表面上。Further, the keyboard according to the preferred embodiment of the present invention further includes a circuit board. The light-emitting element is electrically connected to the circuit board. The circuit board is arranged on the lower surface of the bottom plate.
進一步,根據本發明之較佳具體實施例之鍵盤還包含彈性致動元件。薄膜開關層包含開關。開關係位於鍵帽的下方。彈性致動元件係設置於鍵帽與底板之間,並且位於開關之上方。當鍵帽被按壓進而移動至按壓位置時,彈性致動元件變形進而致動開關開啟。當鍵帽被釋放時,彈性致動元件提供鍵帽回復至未按壓位置所需之回復力,並且開關關閉。Further, the keyboard according to the preferred embodiment of the present invention further includes an elastic actuating element. The membrane switch layer contains the switches. The switch is located under the keycap. The elastic actuating element is arranged between the key cap and the bottom plate, and is located above the switch. When the keycap is pressed and moved to the pressed position, the elastic actuating element deforms to actuate the switch to open. When the keycap is released, the resilient actuation element provides the restoring force required for the keycap to return to the unpressed position, and the switch is closed.
於一具體實施例中,當鍵帽位於未按壓位置時,鍵帽的下側邊緣高於框架的第一頂表面。第一垂直距離為正值。發光元件的第二頂表面係低於薄膜開關層的上表面。第二垂直距離為正值。In an embodiment, when the keycap is in the unpressed position, the lower edge of the keycap is higher than the first top surface of the frame. The first vertical distance is a positive value. The second top surface of the light emitting element is lower than the upper surface of the membrane switch layer. The second vertical distance is a positive value.
於根據本發明之鍵盤之一變形中,當鍵帽位於未按壓位置時,鍵帽的下側邊緣高於框架的第一頂表面。第一垂直距離為正值。發光元件的第二頂表面係高於薄膜開關層的上表面。第二垂直距離為負值。In a variant of the keyboard according to the invention, the lower edge of the keycap is higher than the first top surface of the frame when the keycap is in the unpressed position. The first vertical distance is a positive value. The second top surface of the light emitting element is higher than the upper surface of the membrane switch layer. The second vertical distance is negative.
於根據本發明之鍵盤之另一變形中,當鍵帽位於未按壓位置時,鍵帽的下側邊緣低於框架的第一頂表面或與框架的第一頂表面齊平。第一垂直距離為正值。發光元件的第二頂表面係低於薄膜開關層的上表面。第二垂直距離為正值。In another variation of the keyboard according to the present invention, when the keycap is in the unpressed position, the lower edge of the keycap is lower than or flush with the first top surface of the frame. The first vertical distance is a positive value. The second top surface of the light emitting element is lower than the upper surface of the membrane switch layer. The second vertical distance is a positive value.
於根據本發明之鍵盤之另一變形中,當鍵帽位於未按壓位置時,鍵帽的下側邊緣低於框架的第一頂表面或與框架的第一頂表面齊平。第一垂直距離為正值。發光元件的第二頂表面係高於薄膜開關層的上表面。第二垂直距離為負值。In another variation of the keyboard according to the present invention, when the keycap is in the unpressed position, the lower edge of the keycap is lower than or flush with the first top surface of the frame. The first vertical distance is a positive value. The second top surface of the light emitting element is higher than the upper surface of the membrane switch layer. The second vertical distance is negative.
與先前技術不同,根據本發明之用於鍵盤包含向上發射光線的發光元件以及框架,並且周詳規劃發光元件設置的位置與鍵盤的元件、構件之間的幾何關係,以避免由發光元件所發射且射向框架的光線由框架的頂表面散射至使用者的眼睛。Different from the prior art, the keyboard according to the present invention includes a light-emitting element and a frame that emit light upward, and the geometrical relationship between the position of the light-emitting element and the elements and components of the keyboard is carefully planned to avoid the light-emitting element and the frame. Light impinging on the frame is scattered by the top surface of the frame to the user's eyes.
關於本發明之優點與精神可以藉由以下的發明詳述及所附圖式得到進一步的瞭解。The advantages and spirit of the present invention can be further understood from the following detailed description of the invention and the accompanying drawings.
請參閱圖1、圖2、圖3、圖4及圖5。圖1係以外觀視圖示意地繪示根據本發明之較佳具體實施例的鍵盤1。圖2係圖1中鍵盤1之按鍵2沿A-A線的局部剖面視圖。圖3係圖1中鍵盤1之按鍵2之一變形沿A-A線的局部剖面視圖。圖4係圖1中鍵盤1之按鍵2之另一變形沿A-A線的局部剖面視圖。圖5係圖1中鍵盤1之按鍵2之另一變形沿A-A線的局部剖面視圖。
Please refer to Figure 1, Figure 2, Figure 3, Figure 4 and Figure 5. FIG. 1 schematically shows a
如圖1及圖2所示,根據本發明之較佳具體實施例之鍵盤1包含裝設發光元件23的按鍵2。鍵帽24具有第三頂表面240以及透光區域244。透光區域244係形成於鍵帽24的第三頂表面240上。於圖1及圖2所示的範例中,透光區域244代表一指示燈號,但本發明並不以此為限。根據本發明之較佳具體實施例之鍵盤1其按鍵2也可以是發光按鍵2。也就是說,鍵帽24上的透光區域244也可以呈現一圖案,該圖案代表字元、數字、符號、功能鍵中之其一。
As shown in FIGS. 1 and 2 , a
如圖2所示,按鍵2包含底板20、薄膜開關層21、框架22、發光元件23、鍵帽24以及升降機構25。若透鍵帽24的光區域244代表指示燈號,根據本發明之按鍵2可以僅裝設一個發光元件23。若根據本發明之按鍵2是發光按鍵2,根據本發明之按鍵2可以裝設多個發光元件23。於圖2中,僅一個發光元件23被繪示做為代表。發光元件23被驅動發射光線。發光元件23所發射的光線係射向鍵帽24的透光區域244,進而穿過鍵帽24的透光區域244。
As shown in FIG. 2 , the
於一具體實施例中,每一個發光元件23可以是半導體發光二極體元件、有機發光二極體元件等發光元件。In a specific embodiment, each light-emitting
底板20具有第一通孔202。薄膜開關層21具有第二通孔214以及上表面212。薄膜開關層21係設置在底板20上,致使薄膜開關層21的第二通孔214對齊底板20的第一通孔202。The
框架22具有貫通開口222以及第一頂表面224。框架22的貫通開口222具有靠近使用者的眼睛3的內側壁2222。框架22係設置於薄膜開關層21上,致使薄膜開關層21的第二通孔214位於框架22的貫通開口222之下方。The
發光元件23具有第二頂表面232、垂直第二頂表面232之光軸234以及環繞光軸234且朝上之光覆蓋區Z。光覆蓋區Z大體上呈圓錐狀。光覆蓋區Z具有夾角(2
)。發光元件23係設置於底板20的第一通孔202內。
The
鍵帽24係置於貫通開口222之上,具有下側邊緣242。升降機構25係設置於底板20與鍵帽24之間。升降機構25限制鍵帽24於未按壓位置與按壓位置之間移動。當鍵帽24位於按壓位置時,鍵帽24的下側邊緣242位於框架22的貫通開口222內。The
當鍵帽24位於未按壓位置時,框架22的第一頂表面224至薄膜開關層21的上表面212之第一垂直距離(X)被定義。薄膜開關層21的上表面212至發光元件23的第二頂表面232之第二垂直距離(Y)被定義。發光元件23之光軸與貫通開口222的內側壁2222之間之水平距離(D)係等於或大於預定距離(Q)。只要符合上述條件,發光元件23所發射的光線不會由框架22的第二頂表面232散射至使用者的眼睛3。須強調的是,若根據本發明之按鍵2裝設多個發光元件23,水平距離(D)係指多個發光元件23中距離貫通開口222的內側壁2222最近的發光元件23其光軸與貫通開口222的內側壁2222之間的距離。When the
預定距離(Q)係藉由下列公式計算:The predetermined distance (Q) is calculated by the following formula:
。 .
於一具體實施例中,光覆蓋區Z的夾角(2 )的範圍可以從110度至140度。 In a specific embodiment, the included angle of the light coverage area Z (2 ) can range from 110 degrees to 140 degrees.
於一具體實施例中,同樣如圖2所示,當鍵帽24位於未按壓位置時,鍵帽24的下側邊緣242高於框架22的第一頂表面224。第一垂直距離(X)為正值。發光元件23的第二頂表面232係低於薄膜開關層21的上表面212。第二垂直距離(Y)為正值。In one embodiment, as also shown in FIG. 2 , when the
如圖3所示,於根據本發明之較佳具體實施例之鍵盤1之按鍵2之一變形中,當鍵帽24位於未按壓位置時,鍵帽24的下側邊緣242高於框架22的第一頂表面224。第一垂直距離(X)為正值。發光元件23的第二頂表面232係高於薄膜開關層21的上表面212。第二垂直距離(Y)為負值。圖3中具有與圖2相同號碼標記之元件,有相同或類似的結構以及功能,在此不多做贅述。As shown in FIG. 3 , in a variant of the
如圖4所示,於根據本發明之較佳具體實施例之鍵盤1之按鍵2之另一變形中,當鍵帽24位於未按壓位置時,鍵帽24的下側邊緣242低於框架22的第一頂表面224或與框架22的第一頂表面224齊平。第一垂直距離(X)為正值。發光元件23的第二頂表面232係低於薄膜開關層21的上表面212。第二垂直距離(Y)為正值。圖4中具有與圖2相同號碼標記之元件,有相同或類似的結構以及功能,在此不多做贅述。As shown in FIG. 4 , in another modification of the
如圖5所示,於根據本發明之較佳具體實施例之鍵盤1之按鍵2之另一變形中,當鍵帽24位於未按壓位置時,鍵帽24的下側邊緣242低於框架22的第一頂表面224或與框架22的第一頂表面224齊平。第一垂直距離(X)為正值。發光元件23的第二頂表面232係高於薄膜開關層21的上表面212。第二垂直距離(Y)為負值。圖5中具有與圖2相同號碼標記之元件,有相同或類似的結構以及功能,在此不多做贅述。As shown in FIG. 5 , in another modification of the
進一步,同樣如圖2、圖3、圖4及圖5所示,根據本發明之較佳具體實施例之鍵盤2還包含電路板26。發光元件23係電性接合於電路板26上。電路板26係設置於底板20的下表面204上,致使發光元件23係設置於底板20的第一通孔202內。Further, as also shown in FIG. 2 , FIG. 3 , FIG. 4 and FIG. 5 , the
進一步,同樣如圖2、圖3、圖4及圖5所示,根據本發明之較佳具體實施例之鍵盤2還包含彈性致動元件27。薄膜開關層21包含開關216。開關216係位於鍵帽24的下方。彈性致動元件27係設置於鍵帽24與底板20之間,並且位於開關216之上方。當鍵帽24被按壓進而移動至按壓位置時,彈性致動元件27變形進而致動開關216開啟。當鍵帽24被釋放時,彈性致動元件27提供鍵帽24回復至未按壓位置所需之回復力,並且開關216關閉。Further, as also shown in FIG. 2 , FIG. 3 , FIG. 4 and FIG. 5 , the
藉由以上對本發明之詳述,可以清楚了解根據本發明之用於鍵盤包含向上發射光線的發光元件以及框架,並且周詳規劃發光元件設置的位置與鍵盤的元件、構件之間的幾何關係,以避免由發光元件所發射且射向框架的光線由框架的頂表面散射至使用者的眼睛。From the above detailed description of the present invention, it can be clearly understood that the keyboard according to the present invention includes a light-emitting element and a frame that emits light upward, and the geometrical relationship between the position where the light-emitting element is arranged and the elements and components of the keyboard are carefully planned to The light emitted by the light emitting elements and directed towards the frame is avoided from being scattered by the top surface of the frame to the eyes of the user.
藉由以上較佳具體實施例之詳述,係希望能更加清楚描述本發明之特徵與精神,而並非以上述所揭露的較佳具體實施例來對本發明之面向加以限制。相反地,其目的是希望能涵蓋各種改變及具相等性的安排於本發明所欲申請之專利範圍的面向內。因此,本發明所申請之專利範圍的面向應該根據上述的說明作最寬廣的解釋,以致使其涵蓋所有可能的改變以及具相等性的安排。Through the detailed description of the preferred embodiments above, it is hoped that the features and spirit of the present invention can be described more clearly, rather than limiting the aspect of the present invention by the preferred embodiments disclosed above. On the contrary, the intention is to cover various modifications and equivalent arrangements within the scope of the claimed scope of the present invention. Therefore, the scope of the claims to which the present invention is claimed should be construed in the broadest sense in light of the foregoing description so as to encompass all possible modifications and equivalent arrangements.
1:鍵盤 2:按鍵 20:底板 202:第一通孔 204:下表面 21:薄膜開關層 212:上表面 214:第二通孔 216:開關 22:框架 222:貫通開口 2222:內側壁 224:第一頂表面 23:發光元件 232:第二頂表面 234:光軸 24:鍵帽 240:第三頂表面 242:下側邊緣 244:透光區域 25:升降機構 26:電路板 27:彈性致動元件 3:眼睛 Z:光覆蓋區 X:第一垂直距離 Y:第二垂直距離 D:水平距離 1: Keyboard 2: button 20: Bottom plate 202: first through hole 204: Lower Surface 21: Membrane switch layer 212: Upper surface 214: second through hole 216: switch 22: Frame 222: Through opening 2222: Inner Wall 224: First top surface 23: Light-emitting element 232: Second top surface 234: Optical axis 24: Keycaps 240: Third top surface 242: Lower Edge 244: light transmission area 25: Lifting mechanism 26: circuit board 27: Elastic actuation element 3: eyes Z: Light coverage area X: first vertical distance Y: second vertical distance D: horizontal distance
圖1係根據本發明之較佳具體實施例的鍵盤的外觀視圖。 圖2係圖1中鍵盤之一按鍵沿A-A線的局部剖面視圖。 圖3係圖1中鍵盤之一按鍵之一變形沿A-A線的局部剖面視圖。 圖4係圖1中鍵盤之一按鍵之另一變形沿A-A線的局部剖面視圖。 圖5係圖1中鍵盤之一按鍵之另一變形沿A-A線的局部剖面視圖。 FIG. 1 is an external view of a keyboard according to a preferred embodiment of the present invention. FIG. 2 is a partial cross-sectional view of one of the keys of the keyboard of FIG. 1 taken along line A-A. FIG. 3 is a partial cross-sectional view taken along line A-A of one of the keys of the keyboard of FIG. 1 in a deformed form. FIG. 4 is a partial cross-sectional view taken along line A-A of another modification of one of the keys of the keyboard of FIG. 1 . FIG. 5 is a partial cross-sectional view taken along line A-A of another modification of one of the keys of the keyboard of FIG. 1 .
1:鍵盤 1: Keyboard
2:按鍵 2: button
20:底板 20: Bottom plate
202:第一通孔 202: first through hole
204:下表面 204: Lower Surface
21:薄膜開關層 21: Membrane switch layer
212:上表面 212: Upper surface
214:第二通孔 214: second through hole
216:開關 216: switch
22:框架 22: Frame
222:貫通開口 222: Through opening
2222:內側壁 2222: Inner Wall
224:第一頂表面 224: First top surface
23:發光元件 23: Light-emitting element
232:第二頂表面 232: Second top surface
234:光軸 234: Optical axis
24:鍵帽 24: Keycaps
240:第三頂表面 240: Third top surface
242:下側邊緣 242: Lower Edge
244:透光區域 244: light transmission area
25:升降機構 25: Lifting mechanism
26:電路板 26: circuit board
27:彈性致動元件 27: Elastic actuation element
3:眼睛 3: eyes
Z:光覆蓋區 Z: Light coverage area
X:第一垂直距離 X: first vertical distance
Y:第二垂直距離 Y: second vertical distance
D:水平距離 D: horizontal distance
Claims (8)
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TW110108810A TWI756077B (en) | 2021-03-12 | 2021-03-12 | Keyboard |
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TW110108810A TWI756077B (en) | 2021-03-12 | 2021-03-12 | Keyboard |
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TWI756077B true TWI756077B (en) | 2022-02-21 |
TW202236334A TW202236334A (en) | 2022-09-16 |
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ID=81329275
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TW110108810A TWI756077B (en) | 2021-03-12 | 2021-03-12 | Keyboard |
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TW (1) | TWI756077B (en) |
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