TWI595523B - Illuminated keyboard and keyboard module - Google Patents

Illuminated keyboard and keyboard module Download PDF

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TWI595523B
TWI595523B TW105125367A TW105125367A TWI595523B TW I595523 B TWI595523 B TW I595523B TW 105125367 A TW105125367 A TW 105125367A TW 105125367 A TW105125367 A TW 105125367A TW I595523 B TWI595523 B TW I595523B
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circuit board
bottom plate
module
keyboard
contact
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TW105125367A
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Chinese (zh)
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TW201805982A (en
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黃裕明
鄭振東
王慶餘
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達方電子股份有限公司
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Publication of TW201805982A publication Critical patent/TW201805982A/en

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Description

發光鍵盤及鍵盤模組Illuminated keyboard and keyboard module

本發明關於一種鍵盤,尤指一種經其底板接地之發光鍵盤及鍵盤模組。The invention relates to a keyboard, in particular to an illuminated keyboard and a keyboard module which are grounded via a bottom plate thereof.

一般鍵盤通常僅提供按壓輸入介面,其按鍵觸發的開關通常藉由導通或斷開電路板上成對的觸點而實現,電路板的接地通常亦僅由電路板接點與外部連接裝置的接點接觸而實現。隨著背光技術的發展,目前發光鍵盤亦日益普及。一般發光鍵盤的背光模組對鍵盤提供背光的方式可分為側向光源及背向光源,其中背向光源通常是由位於鍵帽下方的一電路板,其上承載多個發光二極體(light-emitting diode)元件之架構實施。一般來說,背光模組的電路板的接地通常亦僅由電路板接點與外部連接裝置的接點接觸而實現。當背光模組的電路板承受一大電流時(例如靜電放電),此大電流相當可能對發光二極體元件造成損傷。Generally, the keyboard usually only provides a pressing input interface, and the switch triggered by the button is usually realized by turning on or off the pair of contacts on the circuit board, and the grounding of the circuit board is usually only connected by the circuit board contact and the external connecting device. Realized by point contact. With the development of backlight technology, the current illuminated keyboard is also becoming more and more popular. Generally, the backlight module of the illuminated keyboard can be divided into a side light source and a back light source, wherein the back light source is usually a circuit board under the key cap, and the plurality of light emitting diodes are carried thereon ( Light-emitting diode) The implementation of the architecture of the component. In general, the grounding of the circuit board of the backlight module is usually only achieved by the contact of the board contacts with the contacts of the external connection device. When the circuit board of the backlight module is subjected to a large current (for example, electrostatic discharge), this large current is likely to cause damage to the light-emitting diode element.

鑑於先前技術中的問題,本發明提供一種發光鍵盤,其發光模組的電路板與底板電性耦合,以使該電路板能經電該底板導引電流,以避免該電路板上的發光元件損傷。In view of the problems in the prior art, the present invention provides an illuminated keyboard, wherein a circuit board of the light emitting module is electrically coupled to the bottom plate to enable the circuit board to conduct current through the bottom plate to avoid light emitting components on the circuit board. damage.

根據本發明之發光鍵盤包含複數個鍵帽、一底板、複數個升降機構、一發光模組及一橫向延伸層。該底板設置於該複數個鍵帽下方。該複數個升降機構對應地設置於該底板與該複數個鍵帽之間,每一個升降機構對應該複數個鍵帽其中之一,每一個鍵帽經由該對應的升降機構而能相對於該底板上下移動。該發光模組包含一電路板及電性耦合於該電路板上之複數個發光元件,該電路板設置於該底板及該複數個鍵帽之間,該電路板與該底板電性耦合。該橫向延伸層設置於該電路板及該底板之間,該橫向延伸層覆蓋該底板上表面的部分定義為一被覆蓋上表面,該橫向延伸層使該電路板與該被覆蓋上表面間電性隔絕。藉此,雖然該電路板與該底板間設置有使該電路板與該底板電性隔絕的橫向延伸層,但該電路板仍能與該底板電性耦合,使得當該電路板承受一大電流時,該大電流將有一部分會流入該底板,進而保護設置於該電路板上之發光元件免於損傷。The illuminated keyboard according to the present invention comprises a plurality of keycaps, a bottom plate, a plurality of lifting mechanisms, a lighting module and a laterally extending layer. The bottom plate is disposed under the plurality of keycaps. The plurality of lifting mechanisms are correspondingly disposed between the bottom plate and the plurality of key caps, and each lifting mechanism corresponds to one of the plurality of key caps, and each of the key caps can be opposite to the bottom plate via the corresponding lifting mechanism move up and down. The illuminating module includes a circuit board and a plurality of illuminating elements electrically coupled to the circuit board. The circuit board is disposed between the bottom plate and the plurality of key caps, and the circuit board is electrically coupled to the bottom plate. The laterally extending layer is disposed between the circuit board and the bottom plate, and a portion of the laterally extending layer covering the upper surface of the bottom plate is defined as a covered upper surface, the laterally extending layer electrically connecting the circuit board to the covered upper surface Sexual isolation. Thereby, although a laterally extending layer is provided between the circuit board and the bottom plate to electrically isolate the circuit board from the bottom plate, the circuit board can still be electrically coupled to the bottom plate, so that the circuit board is subjected to a large current. At this time, a part of the large current will flow into the bottom plate, thereby protecting the light-emitting elements disposed on the circuit board from damage.

本發明之另一目的在於提供一種鍵盤模組,其電路板以較大的接觸面積與底板電性耦合,而其電路板的電路板接點則以較小的接觸面積與外接點電性耦合,以使該電路板能經電該底板導引電流,以避免該電路板上的電子元件損傷。Another object of the present invention is to provide a keyboard module in which a circuit board is electrically coupled to a bottom plate with a large contact area, and a circuit board contact of the circuit board is electrically coupled to an external contact point with a small contact area. In order to enable the circuit board to conduct current through the bottom plate to avoid damage to electronic components on the circuit board.

根據本發明之鍵盤模組可電性耦合於一外接點,該外接點包含一外電源端與一外接地端。該鍵盤模組包含複數個鍵帽、一底板、複數個升降機構及一電路板。該底板設置於該複數個鍵帽下方,該底板可固定於一外部殼體上。該複數個升降機構對應地設置於該複數個底板與該鍵帽之間,每一個升降機構對應該複數個鍵帽其中之一,每一個鍵帽經由該對應的升降機構而能相對於該底板上下移動。該電路板設置於該底板及該複數個鍵帽之間,該電路板具有一電路板接點及一接地墊,該電路板接點具有一模組電源端與一模組接地端,該接地墊接觸該底板而可間接電性耦合於該外部殼體,該接地墊與該底板以一第一接觸面積接觸。其中,當該電路板接點與該外接點連結時,該模組電源端電性耦合於該外電源端,該外接地端電性耦合於該模組接地端,該外接地端與該模組接地端以一第二接觸面積接觸,該第一接觸面積大於該第二接觸面積;當該鍵盤模組接受到一大電流時,該大電流部分透過該模組接地端與該外接地端而傳導到該外接點上,該大電流其餘部分透過該接地墊與該底板而傳導到該外部殼體上。藉此,設置於該電路板上的電子元件能免於損傷。The keyboard module according to the present invention is electrically coupled to an external contact, the external contact including an external power terminal and an external ground terminal. The keyboard module includes a plurality of key caps, a bottom plate, a plurality of lifting mechanisms, and a circuit board. The bottom plate is disposed under the plurality of keycaps, and the bottom plate can be fixed to an outer casing. The plurality of lifting mechanisms are correspondingly disposed between the plurality of bottom plates and the key cap, and each lifting mechanism corresponds to one of a plurality of key caps, and each of the key caps is movable relative to the bottom plate via the corresponding lifting mechanism move up and down. The circuit board is disposed between the bottom plate and the plurality of keycaps, the circuit board has a circuit board contact and a ground pad, the circuit board contact has a module power end and a module ground end, the grounding The pad is in contact with the bottom plate and is indirectly electrically coupled to the outer casing. The ground pad is in contact with the bottom plate by a first contact area. Wherein, when the circuit board contact is connected to the external contact, the power supply end of the module is electrically coupled to the external power supply end, and the external ground end is electrically coupled to the grounding end of the module, the external ground end and the mode The grounding end of the group is contacted by a second contact area, the first contact area is larger than the second contact area; when the keyboard module receives a large current, the large current portion passes through the grounding end of the module and the external ground end And being conducted to the external contact, the remaining portion of the large current is conducted to the outer casing through the ground pad and the bottom plate. Thereby, the electronic components disposed on the circuit board can be protected from damage.

相較於先前技術,雖然一般連接器可設計具有接地端,但根據本發明之發光鍵盤及鍵盤模組之電路板亦透過底板接地,故能承受較大的電流通過,更能有效避免電路板上的電子元件受損。Compared with the prior art, although the general connector can be designed to have a grounding end, the circuit board of the illuminated keyboard and the keyboard module according to the present invention is also grounded through the bottom plate, so that a large current can be withstood, and the circuit board can be effectively avoided. The electronic components on the board are damaged.

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 will be further understood from the following detailed description of the invention.

請參閱圖1至圖4。根據本發明之一實施例之一發光鍵盤1包含一上蓋10、一下蓋12、複數個鍵帽14、一底板16、複數個升降機構18、一發光模組20、一橫向延伸層22及一控制模組24,上蓋10與下蓋12銜接以容置該複數個鍵帽14、底板16、該複數個升降機構18、發光模組20、橫向延伸層22及控制模組24。其中,底板16設置於該複數個鍵帽14下方,該複數個升降機構18對應地設置於底板16與該複數個鍵帽14之間,每一個升降機構18對應該複數個鍵帽14其中之一,每一個鍵帽14經由對應的升降機構18而能相對於底板16上下移動,該複數個鍵帽14自上蓋10之一窗口102露出,發光模組20包含一電路板202及電性耦合於電路板202上之複數個發光元件204,電路板202設置於底板16及該複數個鍵帽14之間,電路板202與底板16電性耦合,橫向延伸層22設置於電路板202及底板16之間。因此,鍵帽14、升降機構18、電路板202、橫向延伸層22及底板16垂直疊置,橫向延伸層22的結構水平延伸;其中,底板16係可導電(例如由一金屬板件形成),橫向延伸層22覆蓋底板16上表面162的部分定義為一被覆蓋上表面162a,橫向延伸層22使電路板202與被覆蓋上表面162a間電性隔絕,但電路板202仍與底板16電性耦合,使得當電路板202接受到一大電流時,此大電流部分可流入底板16,進而保護設置於電路板202上之發光元件204免於損傷。其中,於本實施例中,底板16上表面162均為橫向延伸層22所覆蓋,故上表面162均屬於被覆蓋上表面162a。另外,於本實施例中,每一個發光元件204對應設置於該複數個鍵帽14其中之一下方,控制模組24與電路板202電性耦合,故透過控制發光元件204選擇性發光,發出光線向上照亮鍵帽14的下表面,以提供鍵帽14背光。Please refer to Figure 1 to Figure 4. An illuminated keyboard 1 according to an embodiment of the invention includes an upper cover 10, a lower cover 12, a plurality of keycaps 14, a bottom plate 16, a plurality of lifting mechanisms 18, a lighting module 20, a laterally extending layer 22 and a The control module 24, the upper cover 10 and the lower cover 12 are coupled to receive the plurality of keycaps 14, the bottom plate 16, the plurality of lifting mechanisms 18, the light emitting module 20, the laterally extending layer 22 and the control module 24. The bottom plate 16 is disposed under the plurality of keycaps 14. The plurality of lifting mechanisms 18 are correspondingly disposed between the bottom plate 16 and the plurality of keycaps 14. Each of the lifting mechanisms 18 corresponds to a plurality of keycaps 14 Each of the keycaps 14 is movable up and down relative to the bottom plate 16 via a corresponding lifting mechanism 18. The plurality of keycaps 14 are exposed from a window 102 of the upper cover 10. The light emitting module 20 includes a circuit board 202 and electrical coupling. The plurality of light-emitting elements 204 on the circuit board 202 are disposed between the bottom plate 16 and the plurality of key caps 14. The circuit board 202 is electrically coupled to the bottom plate 16, and the laterally extending layer 22 is disposed on the circuit board 202 and the bottom plate. Between 16. Therefore, the keycap 14, the lifting mechanism 18, the circuit board 202, the laterally extending layer 22, and the bottom plate 16 are vertically stacked, and the structure of the laterally extending layer 22 extends horizontally; wherein the bottom plate 16 is electrically conductive (for example, formed of a metal plate) The portion of the laterally extending layer 22 covering the upper surface 162 of the bottom plate 16 is defined as a covered upper surface 162a. The laterally extending layer 22 electrically isolates the circuit board 202 from the covered upper surface 162a, but the circuit board 202 remains electrically connected to the backplane 16. The coupling is such that when the circuit board 202 receives a large current, the large current portion can flow into the bottom plate 16, thereby protecting the light-emitting element 204 disposed on the circuit board 202 from damage. In this embodiment, the upper surface 162 of the bottom plate 16 is covered by the laterally extending layer 22, so the upper surface 162 belongs to the covered upper surface 162a. In addition, in this embodiment, each of the light-emitting elements 204 is disposed under one of the plurality of keycaps 14, and the control module 24 is electrically coupled to the circuit board 202, so that the light-emitting elements 204 are selectively illuminated by the control light-emitting elements 204. Light illuminates the lower surface of the keycap 14 to provide backlighting of the keycap 14.

進一步來說,於本實施例中,橫向延伸層22係一薄膜電路板並包含複數個開關222(於圖2中,以虛線圈表示其位置),每一個開關222對應位於該複數個鍵帽14其中之一之下。該薄膜電路板可由一般鍵盤使用之薄膜電路板實作,其為一三層結構(以單一結構件表示於圖中,以簡化圖面),上、下的結構層相對的表面上形成有電路(未繪示於圖中,以簡化圖面),連接該複數個開關222,中間的結構層絕緣上下兩層上的電路且於對應開關222處形成開孔;但本發明不以此為限。因此,橫向延伸層22能使電路板202與被覆蓋上表面162a間電性隔絕。當鍵帽14被下壓時,對應的開關222即可被觸發(例如由斷開狀態切換至接觸狀態)。橫向延伸層22具有與該複數個開關222電性耦合之一電路板接點224(以虛線框表示其範圍於圖2中),於本實施例中,電路板接點224位於橫向延伸層22之一邊緣,橫向延伸層22經由電路板接點224與控制模組24電性耦合,例如***控制模組24的FPC (Flexible Printed Circuit)連接器中。藉此,控制模組24能感測到各開關222的狀態。Further, in this embodiment, the laterally extending layer 22 is a thin film circuit board and includes a plurality of switches 222 (in FIG. 2, the positions are indicated by dashed circles), and each switch 222 is correspondingly located in the plurality of key caps. 14 one of them. The thin film circuit board can be implemented by a thin film circuit board used in a general keyboard, which is a three-layer structure (shown in a single structural member in the figure to simplify the drawing), and circuits are formed on the opposite surfaces of the upper and lower structural layers. (not shown in the figure, to simplify the drawing), the plurality of switches 222 are connected, and the middle structural layer insulates the circuits on the upper and lower layers and forms openings in the corresponding switches 222; however, the invention is not limited thereto. . Thus, the laterally extending layer 22 electrically isolates the circuit board 202 from the covered upper surface 162a. When the keycap 14 is depressed, the corresponding switch 222 can be triggered (eg, switched from the off state to the contact state). The laterally extending layer 22 has a circuit board contact 224 electrically coupled to the plurality of switches 222 (shown in phantom in FIG. 2). In the present embodiment, the circuit board contacts 224 are located in the laterally extending layer 22. One edge, the laterally extending layer 22 is electrically coupled to the control module 24 via the circuit board contacts 224, such as an FPC (Flexible Printed Circuit) connector of the control module 24. Thereby, the control module 24 can sense the state of each switch 222.

另外,於本實施例中,升降機構18為一剪刀式支架,包含兩相互樞接的支架,升降機構18與設置於底板16的上表面162上的連接結構164及設置於鍵帽14的下表面上的連接結構142(於圖2中之一個鍵帽14中,繪示其隱藏輪廓線)分別連接,但本發明不以此為限。其中,鍵帽14可為一塑膠射出成型件,底板16可為金屬板沖壓件實作,兩者皆可輕易地實現前述連接結構142、164。又,於本實施例中,每一個升降機構18配置一個彈性圓突19,設置於對應對鍵帽14與底板16之間且位於該對應的開關222之上。彈性圓突19可發揮觸發開關222及回彈鍵帽14的功能。當鍵帽14被按鍵時,對應的彈性圓突19可被鍵帽14擠壓而觸發該對應的開關222;當施加於鍵帽14的外力消失時,被擠壓的彈性圓突19能回復原狀而使鍵帽14回至原位。原則上,任何能提供鍵帽14相對於底板16相對移動之機構均可作為本發明之升降機構,故目前市面上常見的按鍵結構使用的升降機構均可適用。In addition, in the embodiment, the lifting mechanism 18 is a scissor-type bracket, and includes two brackets that are pivotally connected to each other, and the lifting mechanism 18 and the connecting structure 164 disposed on the upper surface 162 of the bottom plate 16 and disposed under the keycap 14 The connecting structures 142 on the surface (the hidden contours are shown in one of the key caps 14 in FIG. 2) are respectively connected, but the invention is not limited thereto. The key cap 14 can be a plastic injection molding, and the bottom plate 16 can be a metal plate stamping member, and the connecting structures 142 and 164 can be easily realized by both. Moreover, in the present embodiment, each of the lifting mechanisms 18 is provided with an elastic dome 19 disposed between the corresponding pair of keycaps 14 and the bottom plate 16 and above the corresponding switch 222. The elastic knob 19 functions as a trigger switch 222 and a rebound keycap 14. When the keycap 14 is pressed, the corresponding elastic knob 19 can be pressed by the keycap 14 to trigger the corresponding switch 222; when the external force applied to the keycap 14 disappears, the pressed elastic dome 19 can be restored. The keycap 14 is returned to its original position as it is. In principle, any mechanism capable of providing relative movement of the keycap 14 relative to the bottom plate 16 can be used as the lifting mechanism of the present invention. Therefore, the lifting mechanism used in the conventional button structure currently available on the market can be applied.

此外,於本實施例中,發光模組20的電路板202具有一電路板接點2022(以虛線框表示其範圍於圖2中)、複數個接地墊2024(設置於電路板202之下表面,故以虛線影線框表示其範圍於圖2中,並以粗實線段表示於圖3中)及與電路板接點2022及接地墊2024電性耦合之一控制電路,該複數個發光元件204即焊接於該控制電路上。於實作上,電路板202可由一般發光鍵盤用於承載、控制發光元件之電路板實作,該控制電路可包含控制晶片、連接發光元件204及控制晶片的電路、接地電路(通常形成於電路板202的周圍),為簡化圖面,該控制電路未繪示於圖中。於本實施例中,電路板接點2022位於電路板202之一邊緣且包含一模組電源端2022a、一模組接地端2022b及複數個模組信號端2022c,發光模組20經由模組電源端2022a自控制模組24接收電力、經由模組信號端2022c自控制模組24接受控制信號。於實作上,電路板202可由但不限於FPC實作,故電路板202亦可透過將電路板接點2022***控制模組24的FPC連接器中而實現電路板202與控制模組24的電性耦合。此外,於本實施例中,接地墊2024與該接地電路連接,或謂自該接地電路向外延伸出較大的可導通區域;又,電路板202除了設有電路板接點2022之邊緣外,其他邊緣均設置有接地墊2024。電路板202經由接地墊2024與底板16電性耦合。於本實施例中,模組接地端2022b與控制模組24(例如FPC連接器)的接觸面積小於接地墊2024與底板16的連接截面,或謂接地墊2024與底板16間之連接阻抗小於模組接地端2022b與控制模組24間之連接阻抗。藉此,當電路板202接受到一大電流時,此大電流相對大的部分將經由接地墊2024流出電路板202,此大電流相對小的部分將經由電路板接點2022的模組接地端2022b流出電路板202,使得發光元件204能得到保護而免受到該大電流的損傷。另外,發光鍵盤1透過控制模組24與外部裝置通訊連接,例如控制模組24透過纜線與外部裝置連接。控制模組24之功能及結構得以一般發光鍵盤中負責控制電子組件作動的模組實施,於此不另贅述;為簡化圖面,控制模組24以矩形方塊表示於圖2中。此外,於實作上,底板16亦可獨立或整合至該纜線中以與外部接地。In addition, in the embodiment, the circuit board 202 of the light-emitting module 20 has a circuit board contact 2022 (shown in broken lines in FIG. 2) and a plurality of ground pads 2024 (disposed on the lower surface of the circuit board 202). Therefore, the control circuit of the plurality of light-emitting elements is represented by a dotted hatched frame in FIG. 2 and shown in FIG. 3 as a thick solid line segment and electrically coupled to the circuit board contact 2022 and the ground pad 2024. 204 is soldered to the control circuit. In practice, the circuit board 202 can be implemented by a general illuminated keyboard for carrying and controlling the circuit board of the light-emitting component. The control circuit can include a control chip, a circuit connecting the light-emitting component 204 and the control chip, and a ground circuit (usually formed in the circuit). In order to simplify the drawing, the control circuit is not shown in the figure. In this embodiment, the circuit board contact 2022 is located at one edge of the circuit board 202 and includes a module power terminal 2022a, a module ground terminal 2022b, and a plurality of module signal terminals 2022c. The LED module 20 is powered by the module. Terminal 2022a receives power from control module 24 and receives control signals from control module 24 via module signal terminal 2022c. In practice, the circuit board 202 can be implemented by, but not limited to, an FPC. Therefore, the circuit board 202 can also implement the circuit board 202 and the control module 24 by inserting the circuit board contacts 2022 into the FPC connector of the control module 24. Electrical coupling. In addition, in this embodiment, the ground pad 2024 is connected to the ground circuit, or a large conductive area extends outward from the ground circuit; in addition, the circuit board 202 is provided with the edge of the circuit board contact 2022. The other edges are provided with a ground pad 2024. Circuit board 202 is electrically coupled to backplane 16 via ground pad 2024. In this embodiment, the contact area between the module ground terminal 2022b and the control module 24 (for example, the FPC connector) is smaller than the connection cross section of the ground pad 2024 and the bottom plate 16, or the connection impedance between the ground pad 2024 and the bottom plate 16 is smaller than the mode. The connection impedance between the group ground terminal 2022b and the control module 24. Thereby, when the circuit board 202 receives a large current, a relatively large portion of the large current will flow out of the circuit board 202 via the ground pad 2024, and a relatively small portion of the large current will pass through the module ground of the circuit board contact 2022. The 2022b flows out of the circuit board 202 so that the light-emitting element 204 can be protected from damage by the large current. In addition, the illuminated keyboard 1 is communicatively coupled to an external device through the control module 24, for example, the control module 24 is connected to the external device via a cable. The function and structure of the control module 24 can be implemented by a module in the general illuminated keyboard that is responsible for controlling the operation of the electronic component, and will not be described here. To simplify the drawing, the control module 24 is shown in FIG. In addition, in practice, the base plate 16 can also be independently or integrated into the cable to be grounded externally.

此外,於實作上,接地墊2024與底板16的電性耦合可透過多種方式實施。下文以其中一個接地墊2024為例說明。於本實施例中,電路板202包含一主體部2026及主體部2026之一邊緣2026a向外延伸之一延伸部2028。底板16具有一周緣166,主體部2026位於底板16的周緣166之垂直投影範圍內,亦即於垂直視角下,主體部2026不超出底板16。延伸部2028自主體部2026向外延伸而超出底板16的周緣166,延伸部2028相對於主體部2026彎折且繞過橫向延伸層22並與底板16電性耦合。進一步來說,主體部2026具有一第一表面2026b與第一表面2026b相對之一第二表面2026c,該複數個發光元件204設置於第一表面2026b上,主體部2026以第二表面2026c疊置於橫向延伸層22上,延伸部2028低於或等於第一表面2026b,接地墊2024位於延伸部2028並接觸底板16。其中,延伸部2028係自主體部2026向下彎折,故延伸部2028的固定端部(即自主體2026開始延伸的部分)實質上與主體部2026平行,延伸部2028的自由端部則實質上低於主體部2026,亦即延伸部2028不超出第一表面2026b,不會與位於電路板202上方之其他構件產生結構干涉。此外,由於接地墊2024位於電路板202的下表面,故接地墊2024可直接接觸底板16,亦即延伸部2028相對於主體部2026向下彎折而接觸底板16的下表面168,使接地墊2024電性耦合於底板16的下表面168上。但本發明不以此為限,例如於另一實施例中,電路板202是透過位於電路板202的上表面之一接地墊2025與底板16電性耦合。由於接地墊2025無法直接接觸底板16,故此實施例之發光鍵盤利用一導電膠帶26,同時貼附於接地墊2025及底板16,以實現電路板202與底板16的電性耦合,如圖5所示。Moreover, in practice, the electrical coupling of the ground pad 2024 to the backplane 16 can be implemented in a variety of ways. One of the ground pads 2024 is exemplified below. In the present embodiment, the circuit board 202 includes a body portion 2026 and an edge 2026a of the body portion 2026 extending outwardly from an extension portion 2028. The bottom plate 16 has a peripheral edge 166 that is located within a vertical projection range of the periphery 166 of the bottom plate 16, that is, the body portion 2026 does not extend beyond the bottom plate 16 from a vertical viewing angle. The extension 2028 extends outwardly from the body portion 2026 beyond the perimeter 166 of the bottom panel 16 and the extension 2028 is bent relative to the body portion 2026 and bypasses the laterally extending layer 22 and is electrically coupled to the bottom panel 16. Further, the main body portion 2026 has a first surface 2026b opposite to the first surface 2026b and a second surface 2026c. The plurality of light emitting elements 204 are disposed on the first surface 2026b, and the main body portion 2026 is overlapped on the second surface 2026c. On the laterally extending layer 22, the extension 2028 is lower than or equal to the first surface 2026b, and the ground pad 2024 is located at the extension 2028 and contacts the bottom plate 16. Wherein, the extending portion 2028 is bent downward from the main body portion 2026, so the fixed end portion of the extending portion 2028 (ie, the portion extending from the main body 2026) is substantially parallel to the main body portion 2026, and the free end portion of the extending portion 2028 is substantially The upper portion is lower than the body portion 2026, that is, the extension portion 2028 does not extend beyond the first surface 2026b, and does not cause structural interference with other members located above the circuit board 202. In addition, since the ground pad 2024 is located on the lower surface of the circuit board 202, the ground pad 2024 can directly contact the bottom plate 16, that is, the extension portion 2028 is bent downward relative to the main body portion 2026 to contact the lower surface 168 of the bottom plate 16, so that the ground pad 2024 is electrically coupled to the lower surface 168 of the base plate 16. However, the present invention is not limited thereto. For example, in another embodiment, the circuit board 202 is electrically coupled to the bottom plate 16 through a ground pad 2025 located on an upper surface of the circuit board 202. Because the grounding pad 2025 cannot directly contact the bottom plate 16, the illuminated keyboard of the embodiment is attached to the grounding pad 2025 and the bottom plate 16 by using a conductive tape 26, so as to realize electrical coupling between the circuit board 202 and the bottom plate 16, as shown in FIG. Show.

於前述實施例中,電路板202具有可撓性,使得接地墊2024、2025與底板16的電性耦合能透過彎折電路板202(或謂延伸部2028)實現,但本發明不以此為限。如圖6所示,於此實施例中,其發光鍵盤的電路板203保持平整設置,接地墊2034設置於電路板203朝向該發光鍵盤的底板17之一表面203a上,底板17的上表面172被橫向延伸層22覆蓋的部分定義為一被覆蓋上表面172a,上表面172未被橫向延伸層22覆蓋的部分定義為一未被覆蓋上表面172b,橫向延伸層22使電路板203與被覆蓋上表面172a間電性隔絕。底板17具有一突起部172c,未被覆蓋上表面172b即位於突起部172c上,使得突起部172c能以未被覆蓋上表面172b接觸接地墊2034。於此實施例中,突起部172c位於底板17邊緣,但本發明不以此為限。又如圖7所示,於此實施例中,其發光鍵盤的底板17a的突起部172c非位於底板17a邊緣。其中,該發光鍵盤的橫向延伸層23具有一孔232,對齊接地墊2034,底板17a的突起部172c穿過孔232以接觸接地墊2034。此結構配置同樣能實現電路板203與底板17a的電性耦合。另外,於前述實施例中,電路板203無需彎折即可與底板17、17a電性耦合,故電路板203無需具可撓性,而可使用一般硬式的印刷電路板實作。In the foregoing embodiment, the circuit board 202 has flexibility such that the electrical coupling of the ground pads 2024, 2025 and the bottom plate 16 can be achieved through the bent circuit board 202 (or the extension 2028), but the present invention does not limit. As shown in FIG. 6, in this embodiment, the circuit board 203 of the illuminated keyboard is kept flat, and the ground pad 2034 is disposed on the surface 203a of the circuit board 203 facing the bottom plate 17 of the illuminated keyboard, and the upper surface 172 of the bottom plate 17 The portion covered by the laterally extending layer 22 is defined as a covered upper surface 172a, the portion of the upper surface 172 not covered by the laterally extending layer 22 is defined as an uncovered upper surface 172b, and the laterally extending layer 22 causes the circuit board 203 to be covered The upper surface 172a is electrically isolated. The bottom plate 17 has a projection 172c which is not covered by the upper surface 172b, that is, on the projection 172c, so that the projection 172c can contact the ground pad 2034 with the uncovered upper surface 172b. In this embodiment, the protrusion 172c is located at the edge of the bottom plate 17, but the invention is not limited thereto. Further, as shown in Fig. 7, in this embodiment, the projection 172c of the bottom plate 17a of the illuminated keyboard is not located at the edge of the bottom plate 17a. The laterally extending layer 23 of the illuminated keyboard has a hole 232 aligned with the ground pad 2034. The protrusion 172c of the bottom plate 17a passes through the hole 232 to contact the ground pad 2034. This structural configuration also enables electrical coupling of the circuit board 203 to the backplane 17a. In addition, in the foregoing embodiment, the circuit board 203 can be electrically coupled to the bottom plates 17, 17a without bending, so that the circuit board 203 does not need to be flexible, and can be implemented using a generally hard printed circuit board.

於前述實施例中,接地墊2024、2025、2034與底板16、17、17a的電性耦合透過彎折電路板202以接觸底板16,或是底板17、17a向上(朝向電路板202)突出以接觸接地墊2034實現,但本發明不以此為限。如圖8所示,於此實施例中,其發光鍵盤的電路板203及底板16均保持平整設置,電路板203上的接地墊2034對齊橫向延伸層23的孔232,該發光鍵盤利用一電連接結構28,設置於孔232中以連接接地墊2034與底板16,進而實現電路板203與底板16的電性耦合。於實作上,電連接結構28可為填充於孔232中的導電膠、導柱或是形成於孔232中的導電結構(例如與橫向延伸層23上的電路一併形成)。又如圖9所示,於此實施例中,其發光鍵盤的電路板203及底板16均保持平整設置,且其橫向延伸層22不提供孔洞以供電路板203及底板16間的電性耦合。該發光鍵盤利用一導電膠帶27橫跨橫向延伸層22以電性耦合電路板203及底板16。其中,電路板203具有位於電路板203朝向鍵帽14之一表面203b上之一接地墊2035,導電膠帶27貼附於接地墊2035並彎折、繞過橫向延伸層22且貼附於底板16。此結構配置同樣能實現電路板203與底板16的電性耦合。In the foregoing embodiment, the electrical coupling of the ground pads 2024, 2025, 2034 with the bottom plates 16, 17, 17a passes through the bent circuit board 202 to contact the bottom plate 16, or the bottom plates 17, 17a protrude upward (toward the circuit board 202). Contact grounding pad 2034 is implemented, but the invention is not limited thereto. As shown in FIG. 8, in this embodiment, the circuit board 203 and the bottom board 16 of the illuminated keyboard are kept flat, and the ground pad 2034 on the circuit board 203 is aligned with the hole 232 of the laterally extending layer 23, and the illuminated keyboard utilizes an electric The connecting structure 28 is disposed in the hole 232 to connect the ground pad 2034 with the bottom plate 16, thereby electrically coupling the circuit board 203 and the bottom plate 16. In practice, the electrical connection structure 28 can be a conductive paste filled in the holes 232, a pillar, or a conductive structure formed in the hole 232 (eg, formed with the circuitry on the laterally extending layer 23). As shown in FIG. 9, in this embodiment, the circuit board 203 and the bottom board 16 of the illuminated keyboard are kept flat, and the laterally extending layer 22 does not provide holes for electrical coupling between the circuit board 203 and the bottom board 16. . The illuminated keyboard utilizes a conductive tape 27 across the laterally extending layer 22 to electrically couple the circuit board 203 and the backplane 16. The circuit board 203 has a ground pad 2035 on the surface 203b of the circuit board 203 facing the keycap 14. The conductive tape 27 is attached to the ground pad 2035 and bent, bypasses the laterally extending layer 22, and is attached to the bottom plate 16. . This structural configuration also enables electrical coupling of the circuit board 203 to the backplane 16.

前述實施例之發光鍵盤亦得以鍵盤模組的態樣實施,亦即發光模組20及具有開關222的橫向延伸層22由鍵盤模組之外的控制模組控制。如圖10所示,其顯示根據本發明之一實施例之一鍵盤模組3安裝至一電子設備(例如筆記型電腦4)之示意圖。鍵盤模組3與設置於筆記型電腦4的主機42上的連接器422、424電性耦合,使得主機42能控制鍵盤模組3的運作;此外,主機42亦控制筆記型電腦4的螢幕44的運作。為簡化說明,鍵盤模組3仍以前述發光鍵盤1之結構為基礎而說明,且使用發光鍵盤1之元件符號。請併參閱圖11及圖12。鍵盤模組3包含複數個鍵帽14、一底板16、複數個升降機構18、一發光模組20及一橫向延伸層22,底板16設置於該複數個鍵帽14下方,該複數個升降機構18對應地設置於底板16與該複數個鍵帽14之間,每一個升降機構18對應該複數個鍵帽14其中之一,每一個鍵帽14經由對應的升降機構18而能相對於底板16上下移動。發光模組20包含一電路板202及電性耦合於電路板202上之複數個發光元件204,電路板202設置於底板16及該複數個鍵帽14之間。電路板202具有一電路板接點2022(以虛線框表示其範圍於圖10及圖11中)、複數個接地墊2024(設置於電路板202之下表面,故以虛線影線框表示其範圍於圖11中)及與電路板接點2022及接地墊2024電性耦合之一控制電路,該複數個發光元件204即焊接於該控制電路上。接地墊2024接觸底板16以實現接地墊2024與底板16的電性耦合,接地墊2024與底板16以一第一接觸面積接觸,此結構之剖面可參閱圖4,該第一接觸面積之剖面投影即相當於圖4中之粗實線段(用於表示接地墊2024);於實作上,接地墊2024大部分均用於接觸底板16,故可將接地墊2024之面積視與該第一接觸面積差異不大。電路板接點2022包含一模組電源端2022a、一模組接地端2022b及複數個模組信號端2022c,發光模組20經由模組電源端2022a接收電力、經由模組信號端2022c接受控制信號。橫向延伸層22係一薄膜電路板且設置於電路板202及底板16之間,橫向延伸層22包含複數個開關222及與該複數個開關222電性耦合之一電路板接點224(以虛線框表示其範圍於圖10及圖11中),每一個開關222對應位於該複數個鍵帽14其中之一之下。每一個升降機構18配置一個彈性圓突19,設置於對應對鍵帽14與底板16之間且位於該對應的開關222之上。彈性圓突19可發揮觸發開關222及回彈鍵帽14的功能。因此,邏輯上,鍵盤模組3相當於發光鍵盤1扣除上蓋10、下蓋12及控制模組24後之結構,故關於鍵盤模組3構件之其他說明,可參閱前文相關說明及圖面,不另贅述。另外,前文關於發光鍵盤1中接地墊2024與底板16間電性耦合之變化例的說明,於結構邏輯不生矛盾的情形下,亦可適用於鍵盤模組3,不另贅述。The illuminating keyboard of the foregoing embodiment can also be implemented by the keyboard module, that is, the illuminating module 20 and the lateral extending layer 22 having the switch 222 are controlled by a control module other than the keyboard module. As shown in FIG. 10, a schematic diagram of a keyboard module 3 mounted to an electronic device (e.g., notebook computer 4) in accordance with an embodiment of the present invention is shown. The keyboard module 3 is electrically coupled to the connectors 422 and 424 disposed on the host 42 of the notebook computer 4, so that the host 42 can control the operation of the keyboard module 3. In addition, the host 42 also controls the screen 44 of the notebook computer 4. Operation. To simplify the description, the keyboard module 3 is still described based on the structure of the aforementioned illuminated keyboard 1, and the component symbols of the illuminated keyboard 1 are used. Please also refer to Figure 11 and Figure 12. The keyboard module 3 includes a plurality of keycaps 14, a bottom plate 16, a plurality of lifting mechanisms 18, a light emitting module 20, and a laterally extending layer 22. The bottom plate 16 is disposed under the plurality of keycaps 14, and the plurality of lifting mechanisms 18 is correspondingly disposed between the bottom plate 16 and the plurality of keycaps 14, each of the lifting mechanisms 18 corresponding to one of the plurality of keycaps 14, each of the keycaps 14 being movable relative to the bottom plate 16 via the corresponding lifting mechanism 18. move up and down. The light module 20 includes a circuit board 202 and a plurality of light emitting elements 204 electrically coupled to the circuit board 202. The circuit board 202 is disposed between the bottom plate 16 and the plurality of key caps 14. The circuit board 202 has a circuit board contact 2022 (shown in dashed lines in the range of FIGS. 10 and 11) and a plurality of ground pads 2024 (disposed on the lower surface of the circuit board 202, so the range is indicated by a dashed hatched box. A control circuit is electrically coupled to the circuit board contact 2022 and the ground pad 2024, and the plurality of light emitting elements 204 are soldered to the control circuit. The ground pad 2024 contacts the bottom plate 16 to electrically connect the ground pad 2024 and the bottom plate 16. The ground pad 2024 is in contact with the bottom plate 16 by a first contact area. For a cross-section of the structure, refer to FIG. 4, the cross-sectional projection of the first contact area. That is equivalent to the thick solid line segment in FIG. 4 (for indicating the ground pad 2024); in practice, the ground pad 2024 is mostly used to contact the bottom plate 16, so that the area of the ground pad 2024 can be regarded as the first contact. The area difference is not large. The circuit board contact 2022 includes a module power terminal 2022a, a module ground terminal 2022b, and a plurality of module signal terminals 2022c. The light module 20 receives power through the module power terminal 2022a and receives control signals via the module signal terminal 2022c. . The horizontally extending layer 22 is a thin film circuit board disposed between the circuit board 202 and the bottom plate 16. The horizontally extending layer 22 includes a plurality of switches 222 and a circuit board contact 224 electrically coupled to the plurality of switches 222 (indicated by a dashed line) The box indicates its extent in Figures 10 and 11), and each switch 222 is located below one of the plurality of keycaps 14. Each of the lifting mechanisms 18 is provided with an elastic knob 19 disposed between the corresponding pair of keycaps 14 and the bottom plate 16 and above the corresponding switch 222. The elastic knob 19 functions as a trigger switch 222 and a rebound keycap 14. Therefore, logically, the keyboard module 3 is equivalent to the structure of the illuminated keyboard 1 after deducting the upper cover 10, the lower cover 12 and the control module 24. Therefore, for other descriptions of the components of the keyboard module 3, refer to the foregoing description and drawings. Do not repeat them. In addition, the foregoing description of the variation of the electrical coupling between the grounding pad 2024 and the bottom plate 16 in the illuminated keyboard 1 can also be applied to the keyboard module 3 in the case where the structural logic is not contradictory, and will not be further described.

此外,鍵盤模組3可透過底板16固定於外部殼體上,於本實施例中,鍵盤模組3以底板16固定於位於主機42頂部的固定座426上,故此固定座426即相當於前述外部殼體。其中,固定座426可導電,故底板16與固定座426導通,接地墊2024因接觸底板16而可間接電性耦合於該外部殼體(即固定座426)。又,鍵盤模組3可電性耦合於外接點,於本實施例中,鍵盤模組3經由電路板接點2022、224分別電性耦合主機42的連接器422、424,故連接器422、424即相當於鍵盤模組3之外接點,其中一外接點(即連接器422)包含一外電源端422a、一外接地端422b及一外信號端422c。藉此,當電路板接點2022與該外接點(即連接器422)連結時,模組電源端2022a電性耦合於外電源端422a,外接地端422b電性耦合於模組接地端2022b,外接地端422b與模組接地端2022b以一第二接觸面積接觸,該第一接觸面積大於該第二接觸面積。一般而言,一般連接器體積有限,其各連接端能提供的接觸面積有限。於本實施例中,連接器422、424均是採用FPC連接器或類似的連接器,至少相對於該第一接觸面積(相近於接地墊2024的面積),連接器422、424提供的連接端的接觸面積十分有限。因此,當鍵盤模組3接受到一大電流時 ,該大電流部分透過模組接地端2022b與外接地端422b而傳導到該外接點(即連接器422)上,該大電流其餘部分透過接地墊2024與底板16而傳導到該外部殼體(即固定座426)上。其中,該大電流經由底板16而傳導至固定座426的部分原則上顯大於經由模組接地端2022b而傳導至連接器422的部分。 以上所述僅為本發明之較佳實施例,凡依本發明申請專利範圍所做之均等變化與修飾,皆應屬本發明之涵蓋範圍。In addition, the keyboard module 3 can be fixed to the outer casing through the bottom plate 16. In the embodiment, the keyboard module 3 is fixed to the fixing base 426 of the main unit 42 by the bottom plate 16, so the fixing base 426 is equivalent to the foregoing. External housing. The fixing base 426 can be electrically conductive, so that the bottom plate 16 and the fixing base 426 are electrically connected, and the grounding pad 2024 can be indirectly electrically coupled to the outer housing (ie, the fixing seat 426) by contacting the bottom plate 16. In addition, the keyboard module 3 can be electrically coupled to the external contacts. In this embodiment, the keyboard module 3 is electrically coupled to the connectors 422 and 424 of the host 42 via the circuit board contacts 2022 and 224, respectively, so that the connector 422, 424 is equivalent to the external contact of the keyboard module 3, wherein an external contact (ie, the connector 422) includes an external power terminal 422a, an external ground terminal 422b, and an external signal terminal 422c. Therefore, when the circuit board contact 2022 is coupled to the external contact (ie, the connector 422), the module power terminal 2022a is electrically coupled to the external power terminal 422a, and the external ground terminal 422b is electrically coupled to the module ground terminal 2022b. The external ground terminal 422b and the module ground terminal 2022b are in contact with a second contact area, and the first contact area is larger than the second contact area. In general, a typical connector is limited in size, and its contact ends can provide a limited contact area. In this embodiment, the connectors 422, 424 are both FPC connectors or similar connectors, at least with respect to the first contact area (close to the area of the ground pad 2024), the connectors provided by the connectors 422, 424 The contact area is very limited. Therefore, when the keyboard module 3 receives a large current, the large current is partially transmitted to the external contact (ie, the connector 422) through the module ground terminal 2022b and the external ground terminal 422b, and the remaining portion of the large current is transmitted through the ground. The pad 2024 is conducted with the bottom plate 16 to the outer casing (i.e., the mount 426). The portion of the large current that is conducted to the mount 426 via the bottom plate 16 is in principle significantly larger than the portion that is conducted to the connector 422 via the module ground terminal 2022b. The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention.

1‧‧‧發光鍵盤
10‧‧‧上蓋
102‧‧‧窗口
12‧‧‧下蓋
14‧‧‧鍵帽
142‧‧‧連接結構
16、17、17a‧‧‧底板
162、172‧‧‧上表面
162a、172a‧‧‧被覆蓋上表面
164‧‧‧連接結構
166‧‧‧周緣
168‧‧‧下表面
172b‧‧‧未被覆蓋上表面
172c‧‧‧突起部
18‧‧‧升降機構
19‧‧‧彈性圓突
20‧‧‧發光模組
202、203‧‧‧電路板
203a‧‧‧表面
2022‧‧‧電路板接點
2022a‧‧‧模組電源端
2022b‧‧‧模組接地端
2022c‧‧‧模組信號端
2024、2025、2034、2035‧‧‧接地墊
2026‧‧‧主體部
2026a‧‧‧邊緣
2026b‧‧‧第一表面
2026c‧‧‧第二表面
2028‧‧‧延伸部
204‧‧‧發光元件
22、23‧‧‧橫向延伸層
222‧‧‧開關
224‧‧‧電路板接點
232‧‧‧孔
24‧‧‧控制模組
26、27‧‧‧導電膠帶
28‧‧‧連接結構
3‧‧‧鍵盤模組
4‧‧‧筆記型電腦
42‧‧‧主機
422、424‧‧‧連接器
422a‧‧‧外電源端
422b‧‧‧外接地端
422c‧‧‧外信號端
426‧‧‧固定座
44‧‧‧螢幕
1‧‧‧ illuminated keyboard
10‧‧‧Upper cover
102‧‧‧ window
12‧‧‧Under the cover
14‧‧‧Key Cap
142‧‧‧Connection structure
16, 17, 17a‧‧‧ bottom plate
162, 172‧‧‧ upper surface
162a, 172a‧‧‧ covered on the surface
164‧‧‧ Connection structure
166‧‧‧ Periphery
168‧‧‧ lower surface
172b‧‧‧Uncovered upper surface
172c‧‧‧Protruding
18‧‧‧ Lifting mechanism
19‧‧‧Flexible round
20‧‧‧Lighting module
202, 203‧‧‧ boards
203a‧‧‧ surface
2022‧‧‧Board contacts
2022a‧‧‧Modular power terminal
2022b‧‧‧Module grounding terminal
2022c‧‧‧module signal end
2024, 2025, 2034, 2035‧‧‧ grounding mat
2026‧‧‧ Main body
2026a‧‧‧ edge
2026b‧‧‧ first surface
2026c‧‧‧ second surface
2028‧‧‧Extension
204‧‧‧Lighting elements
22, 23‧‧‧ horizontal extension
222‧‧‧ switch
224‧‧‧Board contacts
232‧‧‧ hole
24‧‧‧Control Module
26, 27‧‧‧ conductive tape
28‧‧‧Connected structure
3‧‧‧ keyboard module
4‧‧‧Note Computer
42‧‧‧Host
422, 424‧‧‧ connectors
422a‧‧‧Outside power supply
422b‧‧‧ external ground
422c‧‧‧ external signal terminal
426‧‧‧ Fixed seat
44‧‧‧ screen

圖1為根據本發明之一實施例之一發光鍵盤之示意圖。 圖2為圖1中發光鍵盤之***圖。 圖3為圖1中發光鍵盤之功能方塊圖。 圖4為圖1中發光鍵盤沿線X-X之剖面圖。 圖5為根據另一實施例之發光鍵盤之剖面圖。 圖6為根據另一實施例之發光鍵盤之剖面圖。 圖7為根據另一實施例之發光鍵盤之剖面圖。 圖8為根據另一實施例之發光鍵盤之剖面圖。 圖9為根據另一實施例之發光鍵盤之剖面圖。 圖10為根據本發明之一實施例之一鍵盤模組組裝至一筆記型電腦之示意圖。 圖11為圖10中鍵盤模組之示意***圖。 圖12為圖10中筆記型電腦之功能方塊圖。1 is a schematic diagram of an illuminated keyboard in accordance with an embodiment of the present invention. 2 is an exploded view of the illuminated keyboard of FIG. 1. 3 is a functional block diagram of the illuminated keyboard of FIG. 1. 4 is a cross-sectional view of the illuminated keyboard of FIG. 1 taken along line X-X. Figure 5 is a cross-sectional view of an illuminated keyboard in accordance with another embodiment. 6 is a cross-sectional view of an illuminated keyboard in accordance with another embodiment. 7 is a cross-sectional view of an illuminated keyboard in accordance with another embodiment. Figure 8 is a cross-sectional view of an illuminated keyboard in accordance with another embodiment. 9 is a cross-sectional view of an illuminated keyboard in accordance with another embodiment. FIG. 10 is a schematic diagram of a keyboard module assembled to a notebook computer according to an embodiment of the invention. Figure 11 is a schematic exploded view of the keyboard module of Figure 10. Figure 12 is a functional block diagram of the notebook computer of Figure 10.

10‧‧‧上蓋 10‧‧‧Upper cover

102‧‧‧窗口 102‧‧‧ window

12‧‧‧下蓋 12‧‧‧Under the cover

16‧‧‧底板 16‧‧‧floor

162‧‧‧上表面 162‧‧‧ upper surface

162a‧‧‧被覆蓋上表面 162a‧‧‧ covered on the surface

166‧‧‧周緣 166‧‧‧ Periphery

168‧‧‧下表面 168‧‧‧ lower surface

202‧‧‧電路板 202‧‧‧ boards

2024‧‧‧接地墊 2024‧‧‧Grounding pad

2026‧‧‧主體部 2026‧‧‧ Main body

2026a‧‧‧邊緣 2026a‧‧‧ edge

2026b‧‧‧第一表面 2026b‧‧‧ first surface

2026c‧‧‧第二表面 2026c‧‧‧ second surface

2028‧‧‧延伸部 2028‧‧‧Extension

22‧‧‧橫向延伸層 22‧‧‧Horizontal extension

Claims (14)

一種發光鍵盤,包含: 複數個鍵帽; 一底板,設置於該複數個鍵帽下方; 複數個升降機構,對應地設置於該底板與該複數個鍵帽之間,每一個升降機構對應該複數個鍵帽其中之一,每一個鍵帽經由該對應的升降機構而能相對於該底板上下移動; 一發光模組,包含一電路板及電性耦合於該電路板上之複數個發光元件,該電路板設置於該底板及該複數個鍵帽之間,該電路板與該底板電性耦合;以及 一橫向延伸層,設置於該電路板及該底板之間,該橫向延伸層覆蓋該底板上表面的部分定義為一被覆蓋上表面,該橫向延伸層使該電路板與該被覆蓋上表面間電性隔絕。An illuminated keyboard comprises: a plurality of key caps; a bottom plate disposed under the plurality of keycaps; a plurality of lifting mechanisms correspondingly disposed between the bottom plate and the plurality of keycaps, each lifting mechanism corresponding to a plurality of One of the key caps, each of which is movable up and down relative to the bottom plate via the corresponding lifting mechanism; a lighting module comprising a circuit board and a plurality of light emitting elements electrically coupled to the circuit board, The circuit board is disposed between the bottom plate and the plurality of key caps, the circuit board is electrically coupled to the bottom plate; and a laterally extending layer is disposed between the circuit board and the bottom plate, the laterally extending layer covering the bottom plate The portion of the upper surface is defined as a covered upper surface that electrically isolates the circuit board from the covered upper surface. 如請求項1所述之發光鍵盤,其中該電路板包含一主體部及自該主體部之一邊緣向外延伸之一延伸部,該延伸部相對於該主體部彎折且繞過該橫向延伸層並與該底板電性耦合。The illuminated keyboard of claim 1, wherein the circuit board comprises a main body portion and an extending portion extending outward from an edge of the main body portion, the extending portion being bent relative to the main body portion and extending around the lateral direction The layer is electrically coupled to the backplane. 如請求項2所述之發光鍵盤,其中該主體部具有一第一表面與該第一表面相對之一第二表面,該複數個發光元件設置於該第一表面上,該主體部以該第二表面疊置於該橫向延伸層上,該延伸部低於或等於該第一表面,該電路板具有位於該延伸部之一接地墊,該接地墊接觸該底板。The illuminating keyboard of claim 2, wherein the main body has a first surface opposite to the first surface, and the plurality of illuminating elements are disposed on the first surface, the main body The two surfaces are stacked on the laterally extending layer, the extension being lower than or equal to the first surface, and the circuit board has a ground pad located at the extension, the ground pad contacting the bottom plate. 如請求項2所述之發光鍵盤,更包含一導電膠帶,其中該主體部具有一第一表面與該第一表面相對之一第二表面,該複數個發光元件設置於該第一表面上,該主體部以該第二表面疊置於該橫向延伸層上,該延伸部低於或等於該第一表面,該電路板具有位於該延伸部之一接地墊,該導電膠帶同時貼附於該接地墊及該底板。The illuminating keyboard of claim 2, further comprising a conductive tape, wherein the main body has a first surface opposite to the first surface, and the plurality of illuminating elements are disposed on the first surface, The main body portion is superposed on the laterally extending layer, the extending portion is lower than or equal to the first surface, and the circuit board has a grounding pad located at the extending portion, and the conductive tape is simultaneously attached to the Ground pad and the bottom plate. 如請求項1所述之發光鍵盤,其中該電路板具有位於該電路板朝向該底板之一表面上之一接地墊,該底板具有朝向該電路板突起之一突起部,該突起部接觸該接地墊。The illuminated keyboard of claim 1, wherein the circuit board has a ground pad on a surface of the circuit board facing the bottom plate, the bottom plate having a protrusion protruding toward the circuit board, the protrusion contacting the ground pad. 如請求項5所述之發光鍵盤,其中該橫向延伸層具有一孔,該孔對齊該接地墊,該突起部穿過該孔以接觸該接地墊。The illuminated keyboard of claim 5, wherein the laterally extending layer has a hole aligned with the ground pad, the protrusion passing through the hole to contact the ground pad. 如請求項1所述之發光鍵盤,更包含一電連接結構,其中該電路板具有位於該電路板朝向該底板之一表面上之一接地墊,該橫向延伸層具有一孔,該孔對齊該接地墊,該電連接結構設置於該孔中並連接該接地墊及該底板。The illuminated keyboard of claim 1, further comprising an electrical connection structure, wherein the circuit board has a ground pad on a surface of the circuit board facing the bottom plate, the laterally extending layer has a hole, the hole is aligned with the hole a ground pad, the electrical connection structure is disposed in the hole and connected to the ground pad and the bottom plate. 如請求項1所述之發光鍵盤,更包含一導電膠帶,其中該電路板具有位於該電路板朝向該鍵帽之一表面上之一接地墊,該導電膠帶貼附於該接地墊並彎折、繞過該橫向延伸層且貼附於該底板。The illuminating keyboard of claim 1, further comprising a conductive tape, wherein the circuit board has a grounding pad on the surface of the circuit board facing one of the keycaps, the conductive tape is attached to the grounding pad and bent The laterally extending layer is bypassed and attached to the bottom plate. 如請求項1所述之發光鍵盤,其中該橫向延伸層係一薄膜電路板,該薄膜電路板包含複數個開關,每一個開關對應位於該複數個鍵帽其中之一之下。The illuminated keyboard of claim 1, wherein the laterally extending layer is a thin film circuit board, the thin film circuit board comprising a plurality of switches, each switch corresponding to one of the plurality of keycaps. 一種鍵盤模組,該鍵盤模組可電性耦合於一外接點,該外接點包含一外電源端與一外接地端,該鍵盤模組包含: 複數個鍵帽; 一底板,設置於該複數個鍵帽下方,該底板可固定於一外部殼體上; 複數個升降機構,對應地設置於該底板與該複數個鍵帽之間,每一個升降機構對應該複數個鍵帽其中之一,每一個鍵帽經由該對應的升降機構而能相對於該底板上下移動;以及 一電路板,設置於該底板及該複數個鍵帽之間,該電路板具有一電路板接點及一接地墊,該電路板接點包含一模組電源端與一模組接地端,該接地墊接觸該底板而可間接電性耦合於該外部殼體,該接地墊與該底板以一第一接觸面積接觸; 其中,當該電路板接點與該外接點連結時,該模組電源端電性耦合於該外電源端,該外接地端電性耦合於該模組接地端,該外接地端與該模組接地端以一第二接觸面積接觸,該第一接觸面積大於該第二接觸面積; 其中,當該鍵盤模組接受到一大電流時,該大電流部分透過該模組接地端與該外接地端而傳導到該外接點上,該大電流其餘部分透過該接地墊與該底板而傳導到該外部殼體上。A keyboard module electrically coupled to an external contact, the external contact includes an external power supply end and an external ground end, the keyboard module includes: a plurality of key caps; a bottom plate disposed on the plurality of Under the keycaps, the bottom plate can be fixed on an outer casing; a plurality of lifting mechanisms are correspondingly disposed between the bottom plate and the plurality of keycaps, and each lifting mechanism corresponds to one of the plurality of keycaps, Each of the keycaps is movable up and down relative to the bottom plate via the corresponding lifting mechanism; and a circuit board disposed between the bottom plate and the plurality of keycaps, the circuit board having a circuit board contact and a grounding pad The circuit board contact includes a module power terminal and a module ground terminal. The ground pad contacts the bottom plate to be indirectly electrically coupled to the outer casing, and the ground pad contacts the bottom plate with a first contact area. Wherein, when the circuit board contact is connected to the external contact, the power supply end of the module is electrically coupled to the external power supply end, and the external ground end is electrically coupled to the grounding end of the module, the external ground end and the Module ground a second contact area contact, the first contact area is greater than the second contact area; wherein, when the keyboard module receives a large current, the large current portion is transmitted through the ground terminal of the module and the external ground end To the external contact, the remaining portion of the large current is conducted to the outer casing through the ground pad and the bottom plate. 如請求項10所述之鍵盤模組,其中該電路板包含一主體部與一延伸部,該底板具有一周緣,該主體部位於該底板周緣之垂直投影範圍內,該延伸部自該主體部向外延伸而超出該底板周緣,該接地墊設置於該延伸部上,該延伸部相對於該主體部向下彎折而接觸該底板下表面,使該接地墊電性耦合於該底板下表面上。The keyboard module of claim 10, wherein the circuit board comprises a main body portion and an extension portion, the bottom plate has a peripheral edge, the main body portion is located within a vertical projection range of the periphery of the bottom plate, and the extension portion is from the main body portion Extending outwardly beyond the periphery of the bottom plate, the grounding pad is disposed on the extending portion, the extending portion is bent downward relative to the main body portion to contact the lower surface of the bottom plate, so that the grounding pad is electrically coupled to the lower surface of the bottom plate on. 如請求項10所述之鍵盤模組,更包含複數個發光元件,該複數個發光元件連接於該電路板上,該複數個發光元件發出光線向上照亮該複數個鍵帽下表面。The keyboard module of claim 10, further comprising a plurality of light-emitting elements connected to the circuit board, the plurality of light-emitting elements emitting light to illuminate the lower surface of the plurality of keycaps. 如請求項10所述之鍵盤模組,更包含一橫向延伸層,設置於該電路板及該底板之間,該橫向延伸層覆蓋該底板上表面的部分定義為一被覆蓋上表面,該橫向延伸層使該電路板與該被覆蓋上表面間電性隔絕。The keyboard module of claim 10, further comprising a laterally extending layer disposed between the circuit board and the bottom plate, the portion of the laterally extending layer covering the upper surface of the bottom plate being defined as a covered upper surface, the lateral direction An extension layer electrically isolates the circuit board from the covered upper surface. 如請求項13所述之鍵盤模組,其中該橫向延伸層係一薄膜電路板,該薄膜電路板包含複數個開關,每一個開關對應位於該複數個鍵帽其中之一之下。The keyboard module of claim 13, wherein the laterally extending layer is a thin film circuit board, the thin film circuit board comprising a plurality of switches, each of the switches corresponding to one of the plurality of keycaps.
TW105125367A 2016-08-10 2016-08-10 Illuminated keyboard and keyboard module TWI595523B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM400023U (en) * 2010-10-21 2011-03-11 Darfon Electronics Corp Keyswitch and keyboard
CN105185632A (en) * 2015-09-11 2015-12-23 苏州达方电子有限公司 Key and keyboard

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM400023U (en) * 2010-10-21 2011-03-11 Darfon Electronics Corp Keyswitch and keyboard
CN105185632A (en) * 2015-09-11 2015-12-23 苏州达方电子有限公司 Key and keyboard

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