201201237 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明係有關一種局部發光的鍵盤’尤指一種可局部發 光以辨識出鍵帽位置的鍵盤° [0002] 【先前技術】 在現今科技資訊的時代，電腦已成為人們不可或缺的必 需品，並與人們的生活息息相關’各行各業也都需仰賴 電腦來輔助作業，無論是桌上型電腦或筆記型電腦等， ❹ 其使用的領域與時機相當廣泛’且在任何環境下皆有可 能使用，但於低亮度或黑暗環境下’因為光線不足導致 無法準確敲擊鍵盤作為訊號之輸出，為解決此一問題目 前已有多種發光鍵盤專利問世’如美國第6179432、 61 99996、6284988、6322229、655444Ϊ號專利案所示 ，上述專利案均揭露一種發光鍵盤，主要係將一發光片 設置於鍵盤内部，使發光片對鍵帽發光而便於使用者於 光線不足或黑暗的環境中操作鍵盤。 ◎ [0003] 但是，在上述各專利技術文獻中均訴表鍵盤内之發光元 件與鍵帽之間僅有彈性體及連動機構阻隔，而各專利中 大多將鍵帽、彈性體及連動機構以透光材料製成（部分 專利是將鍵帽設計為非透光材料、但鍵帽上之字元符號 為透光材料製成），讓發光片整片式射出光源時，鍵盤 是呈現均勻背光型態，由於使用者在操作發光鍵盤之環 \ 境多為光線不足、較為黑暗處，例如飛機上、車上等低 亮度環境，但鍵盤整片均勻發光，將造成整體亮度過強 而影響周圍其他人，且在此低亮度環境中，使用者對鍵 099120549 表單編號A0101 第3頁/共17頁 0992036287-0 201201237 盤可視能力本就降低許多，若整片均勻發亮，使用者根 本難以辨識每一鍵帽上之字元符號，即使該字元符號以 不透光材料製成，或者鍵帽為不透光材料而字元符號為 透光材料，也會因相鄰鍵帽之間隙所射出之光源干擾效 .應而造成辨識不易之困難度，對不熟悉無法確實記憶鍵 帽字元符號者，將產生敲擊錯誤而輸出錯誤指令訊號的 問題。 【發明内容】 [0004] 本發明的主要目的，在於解決上述之缺失，透過鍵盤僅 於局部位置發光，以區分出按鍵與按鍵的相關位置。 [0005] 為達上述目的，本發明提出一種局部發光的鍵盤，係包 括一鍵盤部以及一設置於該鍵盤部的發光部，其中，該 鍵盤部具備一底板並設有相對該底板上下運動之複數鍵 帽，且底板與鍵帽之間設有一電路板，該電路板於鍵帽 上下運動受鍵帽按壓輸出訊號；而該發光部具有一設置 於鍵帽下方的遮光板，該遮光板設有透光區域與非透光 區域，且於該遮光板的下表面延伸設有至少一發光源， 令發光源於該遮光板下方傳導，並藉由該遮光板的透光 區域向上透出該鍵盤部。 [0006] 透過上述技術方案，本發明可讓該鍵盤部呈現局部發光 ，而便於區分各鍵帽的位置，提高使用的方便性，並增 加敲擊輸入的準確性。 【實施方式】 [0007] 有關本發明之詳細說明及技術内容，現就配合圖式說明 如下： 099120549 表單編號A0101 第4頁/共17頁 0992036287-0 201201237 [0008] Ο [0009] θ 099120549 請參閱「圖1」所示，本發明係為一種扃部發光的鍵盤’ 其主要包括有一鍵盤部1〇以及一設置於該鍵盤部10的發 光部20，其中，該鍵盤部1〇由下而上具有一底板11 ' 一 電路板12以及複數鍵帽15，且在本發明圖1所示的第一實 施例中，該鍵盤部1〇更於該電路板12與該些鍵帽15之間 設置一頂板13，並設有一連動機構14以連結該頂板13與 鍵帽15，且該連動機構14包含一接設該頂板13與鍵帽15 的活動件141，以及一支撐鍵帽15的彈性體142以提供鍵 帽15回復力，令該些鍵帽15受敲擊後可藉連動機構14上 下運動’並於上下運動時以彈性體142壓觸該電路板I2而 輸出訊號。 而該發光部20具有一設置於該些鍵帽15下方.的遮光板 ’該遮光板21設有一透光區域211與一非透光區域212， 且於該遮光板21的下表面延伸設有至少一發光源22，如 發光二極體’在圖1的實施例中，該遮光板21設置於該頂 板13與鍵帽15之間，且該頂板13設有一容置該發光源22 的容置孔131，該透光區域211可今一也於鍵帽15下方的 +.ρ. / U:.. 通孔以設置該彈性體142，令該發光源22的光線於該遮光 板21下方的頂板丨3傳導，並透過通孔所形成的透光區域 211將光線向上傳導至鍵帽15而透出該鍵盤部10，且受限 於該綷透光區域212而無法傳導至鍵帽15與鍵帽15的間隙 16，因此僅於鍵帽15的位置發光，而間隙16的位置不發 光。 另請參閱圖2」所示的第二實施例，與第一實施例的差 別在於’該遮光板21係設置於該電路板12上’並位於該 表單.编號Α0101 第5頁/共17頁 0992036287-0 [0010] 201201237 頂板13與該電路板12之間，且該電路板12設有一容置該 發光源22的容置孔121，同樣地，該發光源22的光線也是 於該遮光板21下傳導’並透過該透光區域2Π向上傳導至 鍵帽15而使鍵帽15發光，透過此局部發光的方式來分辨 出每個鍵帽15的位置。 [0011] [0012] 除了以鍵帽15發光的形式來實施以外，本發明更可採用 於鍵帽15的間隙16發光的方式達到相同功能，如「圖3」 所示的第三實施例與「圖4」所示的第四實施例，在圖3 中’該遮光板21係設置於該電路板12與該底板丨丨之間， 且於該底板11設有一容置該發光源22的容置孔ill，而在 圖4中’該遮光板21設置於該底板11 f方·;:=.且圖3與圖4所 示的遮光板21，其透光區域貪11儀崔私鍵帽i5間隙16下 方，該透光區域211除了可為前述的通孔之外，亦可為一 導光材料，當該發光源22的光線於該遮光板21下傳導時 ，則可透過該透光區域2Π向上傳導至鍵帽15的間隙μ， 使鍵帽15不發光而於間隙1 6發光，亦可區分出各鍵帽1 $ 的位置。 除上述實施例之外，若為了減少鍵盤的厚度而達到薄型 化的需求，本發明亦可省略該頂板丨3的設計，如「圖5、 圖6及圖7」分別揭露的第五實施例、第六實施例與第七 實施例，在這三個實施例中，該鍵盤部1〇都是以一連動 機構14連結該底板1丨與鍵帽15 ,且該連動機構14包含一 接设頂板13與鍵帽15的活動件141 ,以及一支撐鍵帽15 的彈性體142以提供鍵帽15回復力；不同的地方在於，在 圖5中，該遮光板21設置在該電路板12上，且透光區域 099120549 表單編號A0101 0992036287-0 201201237 211位於鍵帽15下方，使發光源22的光線由通過透光區域 211而由鍵帽15透出。在圖6中，該遮光板21設置在該電 路板12與該底板11之間，而圖7中，該遮光板21設置在該 底板11下方，且該遮光板21透光區域211的位置都在鍵帽 15間隙的下方，使該發光源22的光線於遮光板21下傳 導並由透光區域211傳導至鍵帽15間隙16，使鍵帽15間 隙16發光。 [0013] Ο [0014] Ο [0015] [0016] [0017] [0018] [0019] 綜上所述，本發明主要是於鍵帽15的下方設置一遮光板 21，且該遮光板21設有一透光區域211與一非透光區域 212，並於該遮光板21的下表面延伸設有至少一發光源22 ，令該發光源22的光線於該遮光板21下方傳導，並藉由 該遮光板21的透光區域211向上透出該鍵盤部10，使該鍵 盤部10呈現局部發光，而便於區分各鍵帽15的位置，提 高使用的方便性，並增加敲擊輸入的準確性。 上述僅為本發明的較佳實施例而已，並非用來限定本發 明之實施範圍，即凡依本發明申請專利範圍之内容所為 的等效變化與修飾，皆應為本發明之技術範疇。 【圖式簡單說明】 圖1，係為本發明第一實施例的示意圖。 圖2，係為本發明第二實施例的示意圖。 圖3，係為本發明第三實施例的示意圖。 圖4，係為本發明第四實施例的示意圖。 圖5，係為本發明第五實施例的示意圖。 099120549 表單編號Α0101 第7頁/共17頁 0992036287-0 201201237 [0020] 圖6，係為本發明第六實施例的示意圖。 [0021] 圖7，係為本發明第七實施例的示意圖。 【主要元件符號說明】 [0022] 10....... .......鍵盤部 [0023] 11....... .......底板 [0024] 111...... .......容置孔 [0025] 12....... .......電路板 [0026] 121...... [0027] 13....... .....••頂板 [0028] 131...... [0029] 14....... .......連動機構 [0030] 141...... .......活動件 [0031] 142...... .......彈性體 [0032] 15....... .......鍵帽 [0033] 16....... .......間隙 [0034] 20....... .......發光部 [0035] 21....... .......遮光板 [0036] 211...... [0037] 212...... [0038] 22....... .......發光源 表單編號A0101 第8頁/共17頁 099120549 0992036287-0201201237 VI. Description of the Invention: [Technical Field] [0001] The present invention relates to a partially illuminated keyboard, particularly a keyboard that can be partially illuminated to recognize the position of a keycap. [0002] [Prior Art] Nowadays In the age of technology information, computers have become an indispensable necessity for people, and they are closely related to people's lives. Every industry needs to rely on computers to assist in operations, whether it is a desktop computer or a notebook computer. The field and timing are quite extensive' and can be used in any environment, but in low-light or dark environments, 'there is no light to cause the keyboard to be accurately tapped as the output of the signal. In order to solve this problem, there are many kinds of illuminated keyboards. Patented as shown in the U.S. Patent Nos. 6,179,432, 61, 99,996, 6,284,988, 6,322,229, and 655,444, each of which discloses an illuminating keyboard, which is mainly provided with a illuminating sheet disposed inside the keyboard to cause the illuminating sheet to illuminate the key cap. It is convenient for the user to operate the keyboard in an environment with insufficient light or darkness. ◎ [0003] However, in each of the above patent documents, only the elastic body and the interlocking mechanism are blocked between the light-emitting elements and the key caps in the keyboard, and most of the patents have the key cap, the elastic body and the interlocking mechanism. Made of light-transmissive material (partial patent is to design the keycap as a non-transparent material, but the symbol on the keycap is made of light-transmissive material), so that when the light-emitting piece is emitted from the light source, the keyboard is uniformly illuminated. Type, because the user operates the illuminated keyboard, the environment is mostly low light, darker, such as on the plane, on the car and other low-light environment, but the entire keyboard is evenly illuminated, which will cause the overall brightness is too strong and affect the surrounding Others, and in this low-brightness environment, the user's key 099120549 Form No. A0101 Page 3 / Total 17 Page 0992036287-0 201201237 The disk visibility is much lower. If the whole piece is evenly lit, the user is hard to identify. The character symbol on each keycap, even if the symbol is made of opaque material, or the keycap is opaque material and the symbol is light transmissive material, The emitted light interference effect should be easily recognizable difficulties caused, the memory does not unfamiliar character symbol key caps, it will produce an output error problem tapping error command signals. SUMMARY OF THE INVENTION [0004] The main object of the present invention is to solve the above-mentioned deficiencies, and to illuminate only a local position through a keyboard to distinguish the relevant positions of a button and a button. [0005] In order to achieve the above object, the present invention provides a keyboard for partially emitting light, comprising a keyboard portion and a light emitting portion disposed on the keyboard portion, wherein the keyboard portion is provided with a bottom plate and is provided with up and down movement relative to the bottom plate. a plurality of keycaps, and a circuit board is disposed between the bottom plate and the keycap, wherein the circuit board is pressed up and down by the keycap to output an output signal; and the light emitting part has a light shielding plate disposed under the keycap, the light shielding plate is provided a light-transmitting region and a non-light-transmitting region are disposed, and at least one light source is disposed on the lower surface of the light shielding plate, so that the light source is conducted under the light shielding plate, and the light-transmitting region of the light shielding plate is upwardly protruded Keyboard section. Through the above technical solution, the present invention allows the keyboard portion to exhibit partial illumination, and is convenient for distinguishing the positions of the keycaps, improving the convenience of use, and increasing the accuracy of the tap input. [Embodiment] [0007] The detailed description and technical contents of the present invention will now be described as follows: 099120549 Form No. A0101 Page 4 / Total 17 Page 0992036287-0 201201237 [0008] Ο [0009] θ 099120549 Please As shown in FIG. 1 , the present invention is a keyboard for illuminating a sacral portion, which mainly includes a keyboard portion 1 〇 and a light-emitting portion 20 disposed on the keyboard portion 10, wherein the keyboard portion 1 is There is a bottom plate 11 ′ a circuit board 12 and a plurality of key caps 15 , and in the first embodiment shown in FIG. 1 of the present invention, the keyboard portion 1 is further between the circuit board 12 and the key caps 15 . A top plate 13 is disposed, and a linkage mechanism 14 is provided to connect the top plate 13 and the key cap 15, and the linkage mechanism 14 includes a movable member 141 connecting the top plate 13 and the key cap 15, and a elasticity supporting the key cap 15. The body 142 provides a restoring force of the keycap 15 so that the keycaps 15 can be moved up and down by the linkage mechanism 14 after being knocked, and the elastic body 142 presses the circuit board I2 to output a signal when moving up and down. The light-emitting portion 20 has a light-shielding plate disposed under the key caps 15. The light-shielding plate 21 is provided with a light-transmitting region 211 and a non-transmissive region 212, and is extended on the lower surface of the light-shielding plate 21. At least one light source 22, such as a light-emitting diode, is disposed between the top plate 13 and the keycap 15 in the embodiment of FIG. 1, and the top plate 13 is provided with a receiving space for the light source 22 The light-transmitting region 211 can be disposed in the +.ρ. / U:.. through hole of the key cap 15 to set the elastic body 142 so that the light of the light source 22 is below the light shielding plate 21 The top plate 丨 3 is conducted, and the light transmitting region 211 formed through the through hole transmits the light upward to the key cap 15 to pass through the keyboard portion 10, and is limited to the 綷 light transmitting region 212 and cannot be transmitted to the key cap 15 The gap 16 with the keycap 15 thus emits light only at the position of the keycap 15, and the position of the gap 16 does not emit light. Referring to the second embodiment shown in FIG. 2, the difference from the first embodiment is that 'the visor 21 is disposed on the circuit board 12' and is located in the form. No. 1010101, page 5 of 17 Page 0992036287-0 [0010] 201201237 The top plate 13 is interposed between the top plate 13 and the circuit board 12, and the circuit board 12 is provided with a receiving hole 121 for accommodating the light source 22. Similarly, the light of the light source 22 is also used for the light shielding. The plate 21 is conducted under the 'transmission' and is transmitted upward through the light-transmitting region 2 to the keycap 15 to cause the keycap 15 to emit light, and the position of each of the keycaps 15 is distinguished by the partial illumination. [0012] In addition to being implemented in the form of light-emitting of the keycap 15, the present invention can achieve the same function in the manner that the gap 16 of the keycap 15 emits light, such as the third embodiment shown in FIG. In the fourth embodiment shown in FIG. 4, in FIG. 3, the visor 21 is disposed between the circuit board 12 and the bottom plate, and the bottom plate 11 is provided with a light source 22. The hole ill is accommodated, and in FIG. 4, the visor 21 is disposed on the bottom plate 11 f side;:= and the visor 21 shown in FIG. 3 and FIG. 4 has a light-transmitting area The light-transmitting region 211 may be a light guiding material, and may be a light guiding material. When the light of the light source 22 is conducted under the light shielding plate 21, the light transmitting region 211 is transparent. The light region 2Π is transmitted upward to the gap μ of the keycap 15, so that the keycap 15 does not emit light and emits light in the gap 16, and the position of each keycap 1$ can be distinguished. In addition to the above embodiments, the present invention may also omit the design of the top plate 3 in order to reduce the thickness of the keyboard, as disclosed in FIG. 5, FIG. 6, and FIG. The sixth embodiment and the seventh embodiment, in the three embodiments, the keyboard unit 1 is connected to the bottom plate 1 and the key cap 15 by a linkage mechanism 14, and the linkage mechanism 14 includes a connection. The top plate 13 and the movable member 141 of the keycap 15 and an elastic body 142 supporting the keycap 15 provide a restoring force of the keycap 15; the difference is that, in FIG. 5, the light shielding plate 21 is disposed on the circuit board 12. And the light transmissive area 099120549 Form No. A0101 0992036287-0 201201237 211 is located below the keycap 15 so that the light of the illumination source 22 is transmitted by the key cap 15 through the light transmitting area 211. In FIG. 6, the visor 21 is disposed between the circuit board 12 and the bottom plate 11, and in FIG. 7, the visor 21 is disposed under the bottom plate 11, and the position of the light-transmitting region 211 of the visor 21 is Below the gap of the keycap 15, the light of the light source 22 is conducted under the light shielding plate 21 and is conducted by the light transmitting region 211 to the gap 16 of the key cap 15, so that the gap 15 of the key cap 15 emits light. [0013] [0019] [0019] In summary, the present invention mainly provides a visor 21 under the keycap 15, and the visor 21 is provided. a light-transmitting region 211 and a non-transmissive region 212 are disposed, and at least one light source 22 is disposed on the lower surface of the light shielding plate 21, so that the light of the light source 22 is conducted under the light shielding plate 21, and The light-transmitting region 211 of the visor 21 is upwardly exposed to the keyboard portion 10, so that the keyboard portion 10 is partially illuminated, thereby facilitating the distinction between the positions of the keycaps 15, improving the convenience of use, and increasing the accuracy of the tap input. The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and the equivalent variations and modifications of the present invention are intended to be within the scope of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing a first embodiment of the present invention. Figure 2 is a schematic view of a second embodiment of the present invention. Figure 3 is a schematic view of a third embodiment of the present invention. Figure 4 is a schematic view of a fourth embodiment of the present invention. Figure 5 is a schematic view of a fifth embodiment of the present invention. 099120549 Form No. Α0101 Page 7 of 17 0992036287-0 201201237 [0020] FIG. 6 is a schematic view of a sixth embodiment of the present invention. [0021] FIG. 7 is a schematic view of a seventh embodiment of the present invention. [Description of main component symbols] [0022] 10................... Keyboard section [0023] 11...................Backplane [0024] 111. ..... ....... accommodating holes [0025] 12...................Circuit board [0026] 121... [0027] 13. ...... ....•• top board [0028] 131... [0029] 14................... linkage mechanism [0030] 141.. .... .......active parts [0031] 142...... .......elastomers [0032] 15................... Keycap [0033] 16...................Gap [0034] 20...................Lighting section [0035] 21..... .. ....... visor [0036] 211... [0037] 212... [0038] 22................... Source Form Number A0101 Page 8 of 17 Page 099120549 0992036287-0