200805408 九、發明說明： 【發明所屬之技術領域】 本發明關於一種電致發光鍵盤模組及一種建構這類模 組之方法，尤指用於一行動電話或大哥大者。 【先前技術】 行動電話為一相當普遍可攜帶使用之無線通訊用品。 订動電話設計可包括具有外露按鍵之一件式或握把式電 活、掀蓋式電話、折疊式電話或具有改良可攜性之轉蓋式 小巧行動電話。 現存有提供小型行動電話以改進使用者攜帶該電話之 便利性之期待。例如，已開發之折疊式電話在折疊位置時 提仏奴件式行動電話之長度短之行動電話，同時在展開 使用時在揚聲ϋ及麥克風之間保持足夠的間隔。這類折疊 式^動電話可具有8〇_9〇毫米左右之長度（或高度）。然而， 折疊式電話之厚度（或深度）可稍微大於一件式行動電話， 例如，-折疊式電料具有25_3G毫米左右之厚度。另一 方面，雖然一件式行動電話可能具：t 100-120 ί米等級之 長度，一件式行動電話之厚度或深度可為2〇毫米左右。 視使用者或應用而定，在获 能是非常重要。纟裝置尺寸及比例上的這類差別可 在降低行動電話尺寸興趣方面，已付出許多努力 中所有構件大小，同時保持或改進其功能。然而， 打動電话之正當楼用基、本 爷便用牽涉到相當粗魯的對待，且裝置尺寸 5 200805408 $極小化不可將該電話之堅固性降低至使其禁不起嚴厲正 $使用的程度。因此，該電話之機械及電性強度及耐用性 必須被保持’同時追求裝置尺寸極小化之目標。 行動電話包含可供使用I輸入及控制各裝置功能之鍵 盤。該鍵盤通常係一些個別零件堆疊纟一起之組件，並具 有可、、工由該使用者之下壓或觸碰而被啟動之數字及字母及/ 或付遽。電話鍵盤之個別按鍵應具有電性及機械開關接觸 ⑩=閉點’用以確保電性接觸並抗疲之。啟動每-個按鍵所 而之c力應該疋低的以便易於使用，同時要高到足以使該 按鍵避開由小或意外接觸所產生之錯誤啟動。 進一步，整體來看，該行動電話，尤指該行動電話鍵 盤，應該禁得起例如於一使用者口袋或手提袋或其它用法 之正常使用時所遭受之例如壓縮力、彎曲力或脫層力之各 種典型力量。 又進步，基於審美目的，該行動電話鍵盤應具有可 _將一廣大耗圍之顏色印刷至鍵盤頂部上並可選自各式各樣 鍵盤頂部设计之構造。該電話構造也應該提供一鍵盤頂部 層用以阻止全色、印刷脫層及使用時所承受之磨損。 可進一步期待提供一種電致發光燈，，面板，，，這類燈面 板係包含一或更多發光區域之單層，其中，每一個發光區 域係一電致發光，，燈，，。一電致發光燈主要為一具有一介電 層之電容器，該介電層係介於二或三導電電極之間，且至 少一導電電極係透明的。該介電層可包含磷光粉，或為一 鄰接該介電層之獨立磷光粉層。施加之交流電（AC)電壓跨 6 200805408 • 過該些電極而在該磷光粉層内產生一改變之電場而引起該 磷光粉層發光。對於大部分電致發光燈而言，一換流器被 當做一電源使用。一換流器係一直流對交流（dc_ac)轉換 器，其典型地在50-1000赫茲下產生6〇_115伏特之交流電 (AC)。 瓜 一現代（1990年後）電致發光燈典型地包含一具有約 7.0密爾（0.178毫米）厚度聚酯或聚碳酸酯材料之透明基 板。一透明的銦錫氧化物或銦氧化物前電極係真空沉積在 •該基板上至一定厚度。一磷光層被網印覆蓋在該前電極 上，且一介電層被網印覆蓋在該磷光層上。一後電極被網 印覆蓋在該介電層上。也可利用滾筒塗佈法來沉積上述各 層。 網印法或滾筒塗佈法所使用之墨水包含一黏結劑、一 洛劑及一填充劑，其中，該填充劑決定該網印層之天性。 典型洛劑為二甲基乙醯胺（DMAC)。黏結劑典型地為一 _含氣聚合物，例如氟化亞乙烯聚合物/六氟丙烯 (PVDF/HFP)、聚酯、乙烯基、環氧樹脂或200805408 IX. Description of the Invention: [Technical Field] The present invention relates to an electroluminescent keyboard module and a method of constructing such a module, especially for a mobile phone or a big brother. [Prior Art] A mobile phone is a fairly common portable wireless communication device. The subscription phone design can include a one-piece or grip-on type with an exposed button, a flip-phone, a fold-out phone, or a flip-type compact mobile phone with improved portability. There is a desire to provide a small mobile phone to improve the convenience of the user carrying the phone. For example, a developed folding phone provides a short-sized mobile phone with a short mobile phone in a folded position, while maintaining sufficient spacing between the speaker and the microphone when deployed. Such a folding type telephone can have a length (or height) of about 8 〇 9 〇 mm. However, the thickness (or depth) of the foldable phone may be slightly larger than a one-piece mobile phone, for example, the folded battery has a thickness of about 25_3 Gmm. On the other hand, although a one-piece mobile phone may have a length of t 100-120 mils, the thickness or depth of a one-piece mobile phone may be about 2 mm. Capability is very important depending on the user or application. Such differences in the size and proportion of the device can alleviate the interest in the size of the mobile phone, and many of the components have been put into effort while maintaining or improving its functionality. However, the use of the base of the phone, the use of the master is quite rude, and the device size 5 200805408 $ minimization can not reduce the robustness of the phone to the extent that it can not be used strictly. Therefore, the mechanical and electrical strength and durability of the telephone must be maintained at the same time as the goal of minimizing the size of the device. The mobile phone contains a keyboard that can be used to input I and control the functions of each device. The keyboard is usually a combination of individual parts stacked together with numbers and letters and/or vouchers that can be activated by the user under pressure or touch. Individual keys on the telephone keypad should have electrical and mechanical switch contacts 10 = closed point ' to ensure electrical contact and resist fatigue. The force at which each button is activated should be degraded for ease of use and high enough to prevent the button from starting with an error caused by small or accidental contact. Further, as a whole, the mobile phone, especially the mobile phone keypad, should be able to withstand various compression forces, bending forces or delamination forces that are experienced, for example, in the normal use of a user's pocket or tote bag or other usage. Typical strength. Further, for aesthetic purposes, the mobile phone keypad should have a configuration that can print a wide range of colors onto the top of the keyboard and can be selected from a variety of keyboard top designs. The phone construction should also provide a top layer of the keyboard to prevent full color, delamination, and wear during use. It is further contemplated to provide an electroluminescent lamp, panel, and panel of the present invention comprising a single layer of one or more illuminating regions, wherein each of the illuminating regions is an electroluminescent, lamp,,. An electroluminescent lamp is primarily a capacitor having a dielectric layer between two or three conductive electrodes and at least one of the conductive electrodes is transparent. The dielectric layer may comprise phosphorescent powder or a separate phosphor layer adjacent to the dielectric layer. The applied alternating current (AC) voltage across 6 200805408 • passes through the electrodes to create a changing electric field within the phosphor layer causing the phosphor layer to illuminate. For most electroluminescent lamps, an inverter is used as a power source. A converter is a current-to-AC (dc_ac) converter that typically produces 6 〇 _ 115 volts of alternating current (AC) at 50-1000 Hz. A modern (post-1990) electroluminescent lamp typically comprises a transparent substrate having a thickness of about 7.0 mils (0.178 mm) of polyester or polycarbonate. A transparent indium tin oxide or indium oxide front electrode is vacuum deposited on the substrate to a certain thickness. A phosphor layer is overprinted over the front electrode and a dielectric layer is overprinted over the phosphor layer. A post electrode is overprinted over the dielectric layer. The above layers may also be deposited by a roll coating method. The ink used in the screen printing or roll coating method comprises a binder, a bulking agent and a filler, wherein the filler determines the nature of the screen printing layer. A typical agent is dimethylacetamide (DMAC). The binder is typically a gas-containing polymer such as vinylidene fluoride polymer/hexafluoropropylene (PVDF/HFP), polyester, vinyl, epoxy or
Kynar 9301、阿 托菲納公司（At〇fina)專賣之三元聚合物。 科光層典型地係來自内含一溶劑、一黏結劑及硫化 辞微粒之泥漿所網印。磷光物係由例如為了發出各種特有 波長（顏色）之磷光所設計之硫化鋅類之材料所構成之粉狀 物。顏色可於製造磷光物時定義，或利用混合不同顏色磷 光物所得之混色而得。磷光粉之微粒大小被選擇以提供最 大光射出效率。 7 200805408 一介電層典型地係來自内含一溶劑、一黏結劑及二氧 化欽（Ti〇2)或鈦酸鋇（BaTi〇3)微粒之泥漿所網印。一後電極 典型地係來自内含一溶劑、一黏結劑及例如銀或碳之導電 微粒之泥漿所網印。因為用於每一層之溶劑及黏結劑在化 學上係相同或類似，故在鄰接層之間具有化學相容性及良 好黏性。 迄今，這些要求產生利用至少二鍵盤模組來形成滿足 這類需求之鍵盤以製造行動電話及雷同者之堆疊方法。第 6a及6b圖說明這類二件式鍵盤組件6〇〇，其中，第6a圖 係包括用以提供一具有期待觸感網之鍵盤頂部構件61〇立 體圖。第6b圖中顯示該二件式鍵盤組件之開關層構件62〇。 又一或一替代性構件可以一金屬圓頂層形式提供於這類組 件中，以對下壓之每一個按鍵提供一期待之觸覺反應。這 類二件式或多件式鍵盤組件大體上具有不小於18毫米之 厚度。進一步，採用這類多件式鍵盤組件在二構件間引入 機械性配錯風險，尤其是在不同的設計者、工程師、買家 或供應商處理不同的構件之處。即使一鍵盤組件之匹配構 件也可引起鍵入錯誤或人為錯誤之風險。 該電致發光燈面板係可使用於架構一多模組鍵盤之這 類鍵盤構件模組中其中之一。 甚至，根據前述技術所架構之面板即使典型地只有七 密爾厚亦是相當堅固，而使其例如難以塑造成一立體表 面。層厚度及堅硬性不是直接有關。製造該層之材料影響 到堅硬性。典型地，電致發光燈係由上述材料所製造，其 8 200805408 產生不想要的堅硬性。簡 易曲性。 ^少与度並不會提供想要的 這些及類似考量滴 盤之其它可攜式電性裝置例如可攜式數位助理之鍵 :件、動作、材料、裝置、文章 =之任:_是基於提供本發明上下…的: τ及王口P之迈些内各形成一部分習知相 關領域之-般知識並不合 Μ係為本电明相 ^ ^ ^ ^ ^ ^ 皮力入，其在本申請案之每一個 明求員之毹先權日期前已存在。 正個Λ明書中’”包括”或其變化應被理解為暗示 一 L東述構件、整體或m群構件、整體或步驟，: 不思明者排除任何其它構件、整體或步驟，或—群 整體或步驟。 【發明内容】 根據一第一觀點，本發明提供一種單模組鍵盤之製造 方法，該方法包括： ° 在一透明基板之頂部侧上提供一鍵盤頂部表面； 在對立於該頂部侧之透明基板底部側上提供一透明前 電極層； 在該透明前電極上形成一發光層； 在該發光層上形成一介電層； 在該介電層上形成一後導體。 根據一第二觀點，本發明提供一單模組鍵盤，該鍵般 9 200805408 包括： 在一透明基板之頂部側上之一鍵盤頂部表面； 在對立於該頂部側之透明基板底部側上之一透明前電 極層； 在該透明前電極上之一發光層； 在該發光層上之一介電層； 在該介電層上之一後導體。 因此’在本發明第一及第二觀點之實施例中，該鍵盤 包括一單模組鍵盤並進一步包含一電致發光燈層。本發明 追類實施例因而可消除對於一行動電話之多模組鍵盤之需 求並可提供一減少厚度之鍵盤，但還是提供該鍵盤電致發 光。甚至，不論是二層或三層，透過直接在該該鍵盤頂部 基板上形成一電致發光燈，本發明提供該鍵盤選擇一由該 鍵盤頂部基板所定義之造形並具有符合任何想要外形之電 致發光燈層。本發明這類實施例因此提供可以模造成所要 形狀的單一模組電致發光鍵盤。 该發光層、該介電層及該後導體可各自以網印或滾筒 塗佈法來形成。 該鍵盤模組可進一步包括在該後導體上形成之第二介 電層及在該第二介電層上形成之第二後導體，藉此提供一 三層電致發光燈。這類實施例可提供改進之良率及穿 靠性〇 义 該鍵盤頂部表面可包括一展現想要之鍵盤模組正面或 外觀之紫外線固化層。 200805408 - 該透明底部基板可包括一聚酯膜，較佳地為一熱释定 印刷處理之聚酯。 該透明前電極層可包括在該透明底部基板上網印一銦 錫氧化層。替代性地，該透明前電極層可包括在該透明底 部基板上塗佈一導電聚合物層。在本發明又一替代性實施 例中，該透明前電極層可包括施用至該透明底部基板之導 電半透明墨水。 一不透明導電匯流條或網絡可形成於該透明前電極上 以改進對該前電極之電流供應。例如，一銀匯流條或網絡 的圖案可形成於該透明前電極層上。 該鍵盤模組可進一步包括下列其中之一或更多，且最 好包括全部：由本質堅硬之導電材料所形成之一強化層·， 包括複數個開關之一開關層；及包括將施力由該鍵盤頂部 層轉f夕至ό亥開關層以切換該些開關之複數個柱塞之一柱塞 層。該鍵盤頂部層、電致發光燈層、該強化層、該開關層 _及該柱塞層較佳地層積在一起以形成一單模組。 藉由提供一本質堅硬且導電之強化層，本發明這類實 加例可由孩強化層提供一電性接地功能。在本發明第一及 第二觀點之較佳實施例中，該強化層係一網絡。該強化層 較佳地係由金屬所形成。 又進步之Θ細*例較佳地包括一可彎曲印刷電路層， 用以將信號由該些開關傳送至一行動電話處理器，也用以 將电力由行動電話電源供應器傳送至該電致發光燈層。 在本發明較佳實施例中，該開關層之開關包括圓頂開 11 200805408 _ ι當對該些開關施力或放鬆時，該些開關較佳地提供一 觸覺反應以供使用者察覺開關動作。 在本發明較佳實施例中，該鍵盤具有一小於165毫米 之厚度。 在較佳實施例中，該鍵盤可用於一行動電話。或者， 該鍵盤可適用於另一類型裝置，例如，一個人數位助理或 雷同者。 ^根據一第三觀點，根據本發明第二觀點中一實施例來 提供一具有一鍵盤之電性裴置。 【實施方式】 現在將參考附圖來說明本發明範例。 本t明一貫施例現在將被描述以具有極小化該鍵盤裝 置質量、體積及尺寸之目的，如此，該結構相較於現存鍵 盤係較輕、較小且較薄’但仍然提供—電致發光燈内封 _ (in mold)鍵盤。提供這類較薄鍵盤在改進該鍵盤觸感、改 進光由忒電致發光層穿透該透明底部基板到達該使用者、 及改良使用者手指甲做記號之問題上係重要的。本實施例 進v提供單模組鍵盤，因而相較於組合多模組鍵盤， 在該j合方法上之步驟數減少。本實施例提供一具表面照 明之薄、可％、曲且重量輕之鍵盤，其可針對各種背光及標 。應用尤，、疋針對大哥大電話，量身定做複雜的外开^。 這類電致發光（EL)内封鍵盤（IMK)具有許多潛在性優勢應 用，例如，減少功率消耗、操作時較少熱產生、可使用一 12 200805408 具成本效益之網印法、及極小化所生產之鍵盤厚度。Kynar 9301, Atofina's monovalent polymer. The light layer is typically printed from a slurry containing a solvent, a binder, and a vulcanized particle. The phosphorescent material is a powder composed of, for example, a zinc sulfide-based material designed to emit phosphorescence of various specific wavelengths (colors). The color can be defined when making a phosphor, or by mixing colors obtained by mixing phosphors of different colors. The particle size of the phosphor powder is selected to provide maximum light emission efficiency. 7 200805408 A dielectric layer is typically screen printed from a slurry containing a solvent, a binder, and bismuth (Ti〇2) or barium titanate (BaTi〇3) particles. A post electrode is typically screen printed from a slurry containing a solvent, a binder, and conductive particles such as silver or carbon. Since the solvent and the binder used for each layer are chemically identical or similar, they have chemical compatibility and good adhesion between adjacent layers. To date, these requirements have resulted in the use of at least two keyboard modules to form a keyboard that satisfies such needs to create a mobile phone and a stacking method for the same. Figures 6a and 6b illustrate such a two-piece keyboard assembly 6A, wherein Figure 6a includes a perspective view of a keyboard top member 61 for providing a desired tactile net. The switch layer member 62 of the two-piece keyboard assembly is shown in Figure 6b. A further or an alternative component may be provided in such a component as a metal dome layer to provide an expected tactile response to each of the pressed buttons. Such two-piece or multi-piece keyboard assemblies generally have a thickness of no less than 18 mm. Further, the use of such multi-piece keyboard assemblies introduces a risk of mechanical mismatch between the two components, especially where different designers, engineers, buyers or suppliers handle different components. Even a matching component of a keyboard component can cause a typing error or a human error. The electroluminescent panel can be used to construct one of such keyboard component modules of a multi-module keyboard. Even panels constructed in accordance with the foregoing techniques are relatively strong even though typically only seven mils thick, making it difficult, for example, to be molded into a three-dimensional surface. Layer thickness and hardness are not directly related. The material from which the layer is made affects the hardness. Typically, electroluminescent lamps are made from the above materials, and 8 200805408 produces undesirable stiffness. Simple and flexible. ^There is no need to provide these and other portable electrical devices such as portable digital assistants that consider the drip tray: parts, actions, materials, devices, articles = _ is based on Providing the upper and lower sides of the present invention: τ and Wangkou P are each formed into a part of the conventional knowledge-related knowledge, which is not the same as the syllabus ^ ^ ^ ^ ^ ^ 皮力入, which is in this application Every request of the applicant has already existed before the date of the right. ''including' or its variations in a book is to be understood as implying that a component, a whole or a group of components, a whole or a step, does not exclude any other component, whole or step, or - Group as a whole or step. SUMMARY OF THE INVENTION According to a first aspect, the present invention provides a method of manufacturing a single module keyboard, the method comprising: providing a top surface of a keyboard on a top side of a transparent substrate; and a transparent substrate opposite to the top side A transparent front electrode layer is provided on the bottom side; a light emitting layer is formed on the transparent front electrode; a dielectric layer is formed on the light emitting layer; and a rear conductor is formed on the dielectric layer. According to a second aspect, the present invention provides a single module keyboard, the key like 9 200805408 comprising: one of the top surfaces of the keyboard on the top side of a transparent substrate; one of the bottom sides of the transparent substrate opposite to the top side a transparent front electrode layer; a light-emitting layer on the transparent front electrode; a dielectric layer on the light-emitting layer; and a rear conductor on the dielectric layer. Thus, in an embodiment of the first and second aspects of the invention, the keyboard includes a single module keyboard and further includes an electroluminescent lamp layer. The chasing embodiment of the present invention thus eliminates the need for a multi-module keyboard for a mobile phone and provides a reduced thickness keyboard, but provides the keyboard for electroluminescence. Even if the second or third layer is formed by directly forming an electroluminescent lamp on the top substrate of the keyboard, the present invention provides that the keyboard selects a shape defined by the top substrate of the keyboard and has any desired shape. Electroluminescent lamp layer. Such embodiments of the present invention thus provide a single module electroluminescent keyboard that can be molded into a desired shape. The luminescent layer, the dielectric layer and the back conductor may each be formed by screen printing or roll coating. The keyboard module can further include a second dielectric layer formed on the back conductor and a second back conductor formed on the second dielectric layer, thereby providing a three-layer electroluminescent lamp. Such an embodiment can provide improved yield and reliability. The top surface of the keyboard can include an ultraviolet curing layer that exhibits the front or appearance of the desired keyboard module. 200805408 - The transparent bottom substrate can comprise a polyester film, preferably a heat release printed polyester. The transparent front electrode layer may include an indium tin oxide layer printed on the transparent bottom substrate. Alternatively, the transparent front electrode layer may comprise coating a conductive polymer layer on the transparent bottom substrate. In still another alternative embodiment of the invention, the transparent front electrode layer can comprise a conductive translucent ink applied to the transparent base substrate. An opaque conductive bus bar or network can be formed on the transparent front electrode to improve current supply to the front electrode. For example, a pattern of a silver bus bar or network can be formed on the transparent front electrode layer. The keyboard module may further include one or more of the following, and preferably includes all: a reinforcing layer formed of an intrinsically hard conductive material, including one of a plurality of switches, and a biasing layer The top layer of the keyboard is turned to the switch layer to switch one of the plurality of plungers of the switches. The top layer of the keyboard, the layer of electroluminescent lamps, the reinforcing layer, the switching layer and the layer of the plunger are preferably laminated together to form a single module. By providing an intrinsically hard and electrically conductive reinforcing layer, such an embodiment of the present invention can provide an electrical grounding function from the child strengthening layer. In a preferred embodiment of the first and second aspects of the invention, the enhancement layer is a network. The reinforcing layer is preferably formed of a metal. Further improvements include, for example, a flexible printed circuit layer for transmitting signals from the switches to a mobile telephone processor, and for transmitting power from the mobile telephone power supply to the electrical Illuminated light layer. In a preferred embodiment of the invention, the switch of the switch layer includes a dome opening 11 200805408 _ ι when the force is applied or relaxed, the switches preferably provide a tactile response for the user to perceive the switching action . In a preferred embodiment of the invention, the keyboard has a thickness of less than 165 mm. In a preferred embodiment, the keyboard can be used for a mobile phone. Alternatively, the keyboard can be adapted to another type of device, such as a number of assistants or similar. According to a third aspect, an electrical device having a keyboard is provided in accordance with an embodiment of the second aspect of the present invention. [Embodiment] An example of the present invention will now be described with reference to the accompanying drawings. The consistent embodiment will now be described to minimize the quality, size and size of the keyboard device. Thus, the structure is lighter, smaller and thinner than the existing keyboard system. The light inside the _ (in mold) keyboard. Providing such a thin keyboard is important in improving the touch of the keyboard, improving the light by the electroluminescent layer penetrating the transparent base substrate to the user, and improving the user's fingernail marking. In this embodiment, a single-module keyboard is provided, so that the number of steps in the j-combination method is reduced compared to the combined multi-module keyboard. This embodiment provides a thin, versatile, flexible, and lightweight keyboard with surface illumination that can be used with a variety of backlights and targets. Application, especially, for the big brother phone, tailor-made complex opening ^. Such electroluminescent (EL) inner sealed keyboards (IMKs) have many potential advantages, such as reduced power consumption, less heat generation during operation, and the use of a cost-effective screen printing method, and miniaturization. The thickness of the keyboard produced.
第la及lb圖係根據本發明一第一實施例分別說明用 於一行動電話之單模組鍵盤組件1〇之左前立體圖及右前 立體圖。該組件10包括具有一基於審美及抗磨損目的= 印刷之第二表面之印刷電致發光燈鍵盤頂部層〗丨。該鍵般 頂部層11可具有一金屬外表（如第3c圖實施例所示）及/或 提供有-廣大範圍顏色中之任何顏色。在第3e圖實施例中 該鍵盤頂部層之金屬外表係由一方法所產生，該方法不使 用到-可能會危害環境之傳統電鍍法。在替代性實施例 中，該鍵盤頂部層η可具有不同表面紋路，例如旋轉線、 髮刷線及/或-立體表面抛光。該印刷電致發光燈由内含一 合適基板、-後電極、-絕緣層、該碟光層、—透明或半 透明前電極及-在内封鍵盤上之保護層之失層結構所構 成0 «可被-銀導體所終止並被連接器（或其它構件）所 捲曲以連線至該電源。必須小心以提供一連線良好之整合 性。導電膠層12提供電能，且可產生將來自該層μ之靜 電放電接地之動作。-雙面膠層13將燈層u及金屬網強 化層14連結在一起。 -金屬網絡充當該強化層14。本層14為提供該整個 堆疊μ +坦性或想要外形之主要結構，並可經由定義該 鍵盤頂部I 11之外形及，或架構來提供一人體工學及觸感 給該使用者。該金屬網絡強化層14係該模組1G中最重要 —層，因為它充當一強固物以提供該整個堆疊基本支撐並 13 200805408 - 控制該整個模組之平坦性及外形，用以例如搭配手機設 計。進一步，該金屬網絡可由蝕刻於該金屬板中之複數個 孔洞所形成，且該些蝕刻孔洞可被圖案化以影響該鍵盤頂 部層11之形式，藉此提供一特別的鍵盤觸感給使用者。 又進一步，該強化層14係由一導電金屬所形成，並藉由 接地來提供一靜電放電（ESD)路徑。 在本實施例中，該強化層14被導電膠層15所接地， 後者龟性連接邊金屬網絡14至一可彎曲印刷電路板19， _藉此將來自該金屬網絡層14之靜電放電接地。 组件10進一步包括一柱塞板層16。如第4a及41)圖 中所更詳加顯示，柱塞板層16具有自該柱塞板層16伸出 之複數個突出物171，每一個突出物171位置係對應至該 印刷電路板層1 9的一個觸點。每一個突出物！ 7丨位置也 對應至該鍵盤頂部層11的一個按鍵位置。壓下該鍵盤頂 部層11的一個按鍵引起該柱塞板層16的一個突出物 _ 171(如第4b圖所示地）壓在圓頂層18的一個圓頂上。該層 1 8之圓頂在一按鍵被壓下時提供一想要之觸覺反應，並充 做一觸點以提供一電性輸入信號至該層1 9之印刷電路。 該印刷電路板層19具有對應於該圓頂開關層1 8之可 移動觸點之複數個這類固定觸點。該鍵盤頂部層1 1之每 一個鍵盤頂部被印刷有數字及/或字母顯示，以指示一使用 者應於何處施加壓力以下達命令，那個壓力透過該組件i 〇 被傳送至該層1 9之印刷電路。印刷電路板層19進一步包 括第3a圖所示之可彎曲連接器2〇1，其可讓電信號及電力 14 200805408 ， 傳送於該鍵盤組件1 〇及一安裝該組件10於其上之行動電 話之間。 第2圖係該鍵盤組件模組堆疊10之部分分解侧視圖。 每一層功能係如上所述，本實施例所具有之層構件及材料 如下。鍵盤頂部層1係由具有聚碳酸酯或聚對苯二甲酸乙 酯膜之模造液態紫外線氨基曱酸酯所形成，用以提供一美 觀外表。第2層係可由Adhesive Research公司所供應之可 用的工業物品來提供，用以將該電源供應器由該可彎曲印 _刷電路板9及201橋接至該發光層u。第3層也可由3M 公司所供應之可用的工業物品來提供，用以連結該電致發 光鍵盤層1至該金屬網絡層4。 金屬網絡強化層4係由一具有穿透鋼板之化學蝕刻洞 孔之SUS 3 04FH鋼板所形成。第4層維持該鍵盤頂部架構 之平面形式或其它想要外形，並充當該整個組件1 〇之實 體支撐物。第4層進一步提供連接其上之導電層靜電接地 _ (ESD)。尤其，苐4層可藉由改變洞孔直徑、洞孔分佈及/ 或洞孔外形而提供各種觸感。 導電膠層5也由Adhesive ReseaTch公司所供應之可用 的工業物品來提供，具有在該可彎曲印刷電路板層9及該 金屬網絡層4之間提供一靜電放電接地連線之目的。 柱塞板6係由具有聚碳酸酯或聚對苯二甲酸乙酯膜之 模造液態紫外線氨基甲酸醋所形成，以將施加壓力由該鍵 盤=部轉移至每一個觸點之金屬圓頂。帛係該膠著之 柱基通至圓頂層，由3M公司所供應之可用的工業物品來 15 200805408 提供，第7層將該柱塞層6黏附至該金屬圓頂層8。 金屬圓頂層8係一由Fujikura Dome公司所供應之可 用的工業部件，用以在一使用者施力至該鍵盤組件1 〇及 放鬆時提供一觸感，同時搭配印刷電路板層9做為一電路 開關。該可彎曲印刷電路板係一客製化部件，具有傳送電 信號至該電話母板、提供電力給該電致發光印刷鍵盤層i 並提供靜電接地之目的。 袁後’膠層10係由3M公司所供應之可用的工業物品 末k供’用以連結该整個組件1 〇至一行動電話外私。 第3a、3b及3c圖係一包括第2圖所示之各層結合之 真正鍵盤組件之照相圖，同時顯示該可彎曲連接器2W。 第3b圖特別顯示具有h641毫米總堆疊厚度之薄組件外 觀。 迄今所執行之實驗已揭示本發明單模組鍵盤可使所建 構之鍵盤具有整合性機械及電子層並具有少至毫米之 厚度。因λ，本發明提供一包括單模組之電致發光燈鍵: 組件，其整合不同層之機械及電子零件在一起以成為實質 上不同於該傳統鍵盤之—鍵盤總解決方案。該組件可維二 -減少厚度之苗條外觀，且有利於容易製造，卩降低所泮 及之人力資源量。進-步’該組件可被製造成可適合各^ 各樣手機設計之不同幾何外形。 $ 第5a圖係一三層電致發光燈鍵盤之示意圖。 良率及可靠性而言，二声雷絲於上 、 土 一層電致發光燈係較佳的。本發明訾 化例中_1層501之紫外線固化層係鍵盤之前面外表，、 16 200805408 ' 内封鍵盤係由Meiwa公司所供應之可用工業物品來提供。 紫外線固化層501基於安全理由充當一保護層以提供濕度 及％性隔離之保護。位在内封鍵盤下方之該層充當透明底 部基板。具有絲網印刷圖案之聚酯膜位在該薄膜下方。接 著’印刷著銦錫氧化物（1丁〇)或塗佈著一導電聚合物層504 之相同聚酯膜層502可充當前電極來使用。替代性地，一 網印導電半透明墨水可使用於一透明底部基板上。向下印 _刷之建構順序為簡單的磷光層505，接著三層電致發光燈 或代之以二層電致發光燈。内封鍵盤最好可用一熱穩定的 印刷處理之聚酯（PET)。下一做法係以銦錫氧化物（IT⑺網 印該聚酯膜，該銦錫氧化物為一做為該燈外部電極使用之 透明導電材料。替代性地，在本聚酯塗佈有該錮錫氧化物 之一侧上，印刷一匯流條（大體上為銀）以確保最大電流流 至該塗層。 接著，一發光磷光層505被印刷於聚酯（ΡΕΤ)膜層5〇2 _之下。其應被直接印刷在該聚酯之印有錮錫氧化物（ΙΤ〇)層 5〇4侧。為了得到均勻照明，於本步驟沉積足夠的磷光墨 水係必要的。若一聚酯網被使用並建議以具有2〇-25微米 礼膠之62Τ網絡（線/公分）開始進行時，磷光墨水之需求量 係在10耄克/平方公分左右。若使用沒有足夠開口區域之 、、’罔絡犄，雙次濕式操作會改進該微粒堆疊密度並在供電時 產生更均勻光線。一範圍為30-40微米（乾的）之印刷厚度 應被達成，其代表濕的磷光墨水之覆蓋範圍約為 lOOmgVg。磷光物可被分成二種選擇：包封磷光物及未包 17 200805408 封填光物。包封磷光物各具有由一類玻璃保護物所圍繞之 微小鱗光微粒。其充當磷光物之濕氣障礙物以提供隔離濕 氣之適當保護。因此，包封提供製造及層合時之額外保護。 在層505被印刷後，接著為一鈦酸鋇之介電絕緣層 506。建議以一 62τ(線/公分）聚酯網絡之印刷法做為起始 點。其應給予一約10微米（乾的）之薄膜厚度。如第“及A 圖所不，三個獨立的乾式層對防止短路係較佳的，且應維 持在25微米左右之總厚度。其代表一 2〇毫克/平方公分之 總披覆。若因為位在下面之大顆粒磷光物而觀察到空孔 時’可能需用到雙次濕式操作或外加層。 包括一電作用墨水層之導電層507可為一電泳材料， 並包括例如具有相反電荷之雙色微粒，其懸浮於一媒體或 么封於内含一媒體之微球體内以使該些微粒可以漂移。當 施加一電壓差時，具有帶電表面之微粒會漂移。選擇性I 在該層不同處施加一電壓差使得在這些地·方之微粒往相反 電極漂移，且上述雙色在那處顯示_不同顏色。該電壓差 係施加於該導電層507、後導電層5〇9及透明導體層5〇4 之間。該透明導體層可為例如一銦錫氧化物（IT〇)層。 第5a圖中之介電層508被印刷於導電層5〇7之下。層 5〇9係-銀或導電礙墨水之後導電層，其當做第二電極使 用並接著被印刷在介電層之下。該燈係完成於一後絕緣體 層川之最終-層。第2圖所示之鍵盤模組堆疊之剩餘部 分接著可被建構。 第5b圖顯示-二層電致發光燈内封鍵盤之架構。二層 200805408 ' 電致發光燈雖給予一較亮的燈但卻會減少良率及可靠性。 第一層5〇1初始係紫外線固化之具有印刷於聚醋（ρΕτ)膜上 之圖案之内封鍵盤。銦錫氧化物（ΙΤ〇)層5〇4被印刷於印有 圖案之聚醋（PET)膜層503之下，而磷光層5〇5被印刷於銦 錫氧化物（ΙΤ〇)層504之下，隨之，介電層5〇6被印刷於層 505之下。後導電層509被印刷於層5〇6之下，最後，一 後絕緣體層5 1 0被印刷於後導電層5〇9之下。 #由在該鍵盤頂部透明基板上直接形成該電致發光燈 籲層，本發明實施例可免用ΡΕΤ膜（至少具有厚度〇 〇25毫米） 及電致發光黏膠（至少具有厚度GG5毫米）。藉由除去該電 致發光模組中這類先前重要的部件，本發明不僅提供一單 模組鍵盤組件，同時進一步可建構較薄的電致發光鍵盤模 組。 、 那些熟知此項技術之人士應理解到如該些特定實施例 所示地，本發明之許多變化例及/或修改例可被產生而不偏 離廣義所述及之本發明精神及範圍。因此，本發明實施例 在所有層面上係視為說明而非限制。 【圖式簡單說明】 第la及lb圖係根據本發明一第一實施例分別說明— 單模組鍵盤組件之左前立體圖及右前立體圖。 第2圖係該鍵盤組件模組堆疊之部分分解侧視圖。 第3a、3b及3c圖係一包括第2圖所示之各層結合之 真正鍵盤組件之照相圖。 19 200805408 - 第4a及4b圖係分別為根據本發明形成之鍵盤組件之 側視圖及部分侧視圖。 第5a及5b圖說明一三層及二層電致發光燈内封键盤。 第6a及6b圖說明一習知二件式鍵盤組件。A first front left perspective view and a right front perspective view of a single module keyboard assembly for a mobile phone are respectively described in accordance with a first embodiment of the present invention. The assembly 10 includes a top layer of a printed electroluminescent lamp keyboard having a second surface that is aesthetically and wear resistant = printed. The key-like top layer 11 can have a metallic appearance (as shown in the embodiment of Figure 3c) and/or be provided with any of a wide range of colors. In the embodiment of Fig. 3e, the metal appearance of the top layer of the keyboard is produced by a method which does not use a conventional plating method which may endanger the environment. In an alternative embodiment, the top layer η of the keyboard may have different surface textures, such as a rotating line, a hairline, and/or a three-dimensional surface finish. The printed electroluminescent lamp comprises a structure comprising a suitable substrate, a rear electrode, an insulating layer, the optical layer, a transparent or translucent front electrode, and a protective layer on the inner sealing keyboard. «Can be terminated by a silver conductor and crimped by a connector (or other component) to wire to the power source. Care must be taken to provide a good integration of the connection. The conductive paste layer 12 provides electrical energy and can create an action to ground the electrostatic discharge from the layer μ. The double-sided adhesive layer 13 joins the lamp layer u and the metal mesh strengthening layer 14 together. A metal network acts as the strengthening layer 14. The layer 14 is the primary structure for providing the entire stack of μ + candes or desired shapes and can provide an ergonomic and tactile sensation to the user by defining the shape and/or structure of the top 11 of the keyboard. The metal network reinforcement layer 14 is the most important layer in the module 1G because it acts as a solid to provide the entire stack of basic support and 13 200805408 - controls the flatness and shape of the entire module, for example, with a mobile phone design. Further, the metal network may be formed by a plurality of holes etched into the metal plate, and the etched holes may be patterned to affect the form of the top layer 11 of the keyboard, thereby providing a special keyboard touch to the user. . Still further, the reinforcing layer 14 is formed of a conductive metal and provides an electrostatic discharge (ESD) path by grounding. In the present embodiment, the reinforcing layer 14 is grounded by a conductive adhesive layer 15, which is connected to the metal network 14 to a flexible printed circuit board 19, thereby grounding the electrostatic discharge from the metal network layer 14. Assembly 10 further includes a ram plate layer 16. As shown in more detail in Figures 4a and 41), the ram plate layer 16 has a plurality of protrusions 171 extending from the ram plate layer 16, each projection 171 being positioned corresponding to the printed circuit board layer. A contact of 1 9 . Every protrusion! The 7丨 position also corresponds to a button position of the top layer 11 of the keyboard. Pressing a button on the top layer 11 of the keyboard causes a protrusion 171 of the ram layer 16 (as shown in Figure 4b) to press against a dome of the dome layer 18. The dome of the layer 18 provides a desired tactile response when a button is depressed and serves as a contact to provide an electrical input signal to the printed circuit of the layer 19. The printed circuit board layer 19 has a plurality of such fixed contacts corresponding to the movable contacts of the dome switch layer 18. The top of each of the keyboard top layers 1 1 is printed with numbers and/or letters to indicate where a user should apply pressure to the command, and that pressure is transmitted to the layer through the component i 9 Printed circuit. The printed circuit board layer 19 further includes a flexible connector 2〇1 as shown in FIG. 3a, which allows electrical signals and power 14 200805408 to be transmitted to the keyboard assembly 1 and a mobile phone on which the assembly 10 is mounted. between. Figure 2 is a partially exploded side view of the keyboard assembly module stack 10. Each layer function is as described above, and the layer members and materials of this embodiment are as follows. The top layer 1 of the keyboard is formed from a molded liquid UV urethane having a polycarbonate or polyethylene terephthalate film to provide a sleek appearance. The second layer can be provided by commercially available articles supplied by Adhesive Research to bridge the power supply from the bendable printed circuit boards 9 and 201 to the light-emitting layer u. The third layer can also be provided by available industrial articles supplied by 3M Company for joining the electroluminescent keyboard layer 1 to the metal network layer 4. The metal network reinforcing layer 4 is formed of a SUS 3 04FH steel plate having a chemically etched hole penetrating the steel sheet. The fourth layer maintains the planar form of the top structure of the keyboard or other desired shape and acts as an integral support for the entire assembly. The fourth layer further provides a conductive ground electrostatic _ (ESD) connected thereto. In particular, the 苐4 layer can provide various tactile sensations by changing the hole diameter, the hole distribution, and/or the shape of the hole. The conductive paste layer 5 is also provided by commercially available articles supplied by Adhesive Resea Tch, for the purpose of providing an electrostatic discharge ground connection between the flexible printed circuit board layer 9 and the metal network layer 4. The ram plate 6 is formed of a molded liquid ultraviolet urethane having a polycarbonate or polyethylene terephthalate film to transfer the applied pressure from the keyboard portion to the metal dome of each of the contacts. The base of the glue is passed to the dome layer, which is supplied by an industrial product supplied by 3M Company, 15 200805408, and the seventh layer adheres the plunger layer 6 to the metal dome layer 8. The metal dome layer 8 is an industrial component available from Fujikura Dome for providing a tactile sensation when a user applies force to the keyboard assembly 1 and relaxes, together with the printed circuit board layer 9 as a Circuit switch. The flexible printed circuit board is a customized component having the purpose of transmitting electrical signals to the telephone motherboard, providing power to the electroluminescent printed keyboard layer i and providing electrostatic grounding. Yuan Hou's rubber layer 10 is an industrial item available from 3M Company for the purpose of connecting the entire component to a mobile phone. Figs. 3a, 3b, and 3c are photographs of a real keyboard assembly including the layers shown in Fig. 2, showing the bendable connector 2W. Figure 3b specifically shows the appearance of a thin component with a total stack thickness of h641 mm. Experiments performed to date have revealed that the single module keyboard of the present invention allows the constructed keyboard to have an integrated mechanical and electronic layer with a thickness as small as a millimeter. Because of λ, the present invention provides an electroluminescent light key comprising a single module: a component that integrates the mechanical and electronic components of different layers together to become a total keyboard solution that is substantially different from the conventional keyboard. This component can be used to reduce the slim appearance of the thickness and to facilitate easy manufacturing and reduce the amount of human resources involved. The step-in steps can be made to suit different geometries of the various handset designs. $ Fig. 5a is a schematic diagram of a three-layer electroluminescent light keyboard. In terms of yield and reliability, the second ray is better in the upper and lower layers of the electroluminescent lamp. In the first embodiment of the present invention, the ultraviolet curing layer of the layer 501 is the front surface of the keyboard, and the 16 200805408 'enclosed keyboard is provided by the available industrial articles supplied by Meiwa. The UV-cured layer 501 acts as a protective layer for safety reasons to provide protection against humidity and % isolation. This layer below the inner cover keyboard acts as a transparent base substrate. A polyester film having a screen printed pattern is positioned below the film. The same polyester film layer 502, which is printed with indium tin oxide (1 butyl) or coated with a conductive polymer layer 504, can be used to fill the current electrode. Alternatively, a screen printed conductive translucent ink can be used on a transparent base substrate. The down-printing-brush construction sequence is a simple phosphor layer 505 followed by a three-layer electroluminescent lamp or a two-layer electroluminescent lamp. The inner seal keyboard is preferably a heat-stable print treated polyester (PET). The next method is to inscribe the polyester film by indium tin oxide (IT (7), which is a transparent conductive material used as the external electrode of the lamp. Alternatively, the polyester is coated with the ruthenium. On one side of the tin oxide, a bus bar (generally silver) is printed to ensure maximum current flow to the coating. Next, a phosphor layer 505 is printed on the polyester film layer 5〇2 It should be directly printed on the side of the polyester printed with bismuth tin oxide (ΙΤ〇) layer 5〇4. In order to obtain uniform illumination, it is necessary to deposit enough phosphorescent ink in this step. When used and recommended to start with a 62Τ network (line/cm) with 2〇-25μm of gum, the demand for phosphorescent ink is around 10耄g/cm2. If there is not enough open area, ' Double-wet operation improves the particle stack density and produces more uniform light when powered. A print thickness in the range of 30-40 microns (dry) should be achieved, which represents the coverage of the wet phosphor ink. The range is about 100 mgVg. Phosphors can be divided into Options: Encapsulating Phosphors and Unpacked 17 200805408 Sealing Lights. Encapsulated phosphors each have tiny scale-light particles surrounded by a type of glass protector that acts as a moisture barrier to the phosphor to provide moisture Appropriate protection. Therefore, the encapsulation provides additional protection during fabrication and lamination. After layer 505 is printed, it is followed by a dielectric insulating layer 506 of barium titanate. A 62τ (line/cm) polyester network is recommended. The printing method is used as a starting point. It should be given a film thickness of about 10 microns (dry). As shown in the figures "and A, three independent dry layers are better for preventing short circuits and should be maintained. The total thickness of about 25 microns. It represents a total coating of 2 〇 mg/cm 2 . If voids are observed due to the large particle phosphor below, 'double wet operation or additional may be required. The conductive layer 507 including an electroactive ink layer may be an electrophoretic material and includes, for example, two-color particles having opposite charges suspended in a medium or encapsulated in a microsphere containing a medium to make the particles Can drift. When a voltage difference occurs, the particles with the charged surface will drift. Selectivity I applies a voltage difference at different points of the layer such that the particles in these grounds drift toward the opposite electrode, and the above two colors display _ different colors there. The voltage difference is applied between the conductive layer 507, the rear conductive layer 5〇9, and the transparent conductor layer 5〇4. The transparent conductor layer may be, for example, an indium tin oxide (IT〇) layer. The electrical layer 508 is printed under the conductive layer 5 〇 7. The layer 5 〇 9 series - silver or conductive layer after the conductive layer, which is used as the second electrode and then printed under the dielectric layer. The final layer of the insulator layer is then formed. The remainder of the keyboard module stack shown in Figure 2 can then be constructed. Figure 5b shows the architecture of the two-layer electroluminescent lamp inner cover keyboard. Second floor 200805408 'The electroluminescent lamp gives a brighter light but reduces yield and reliability. The first layer 5〇1 was initially UV-cured with an inner sealed keyboard having a pattern printed on a polyester (ρΕτ) film. The indium tin oxide (ΙΤ〇) layer 5〇4 is printed under the patterned polyester film (PET) film layer 503, and the phosphor layer 5〇5 is printed on the indium tin oxide (ΙΤ〇) layer 504. Next, dielectric layer 5〇6 is printed under layer 505. The rear conductive layer 509 is printed under the layer 5〇6, and finally, a rear insulator layer 510 is printed under the rear conductive layer 5〇9. # The electroluminescent lamp layer is directly formed on the transparent substrate on the top of the keyboard, and the embodiment of the invention can be free of enamel film (at least having a thickness of 〇〇25 mm) and electroluminescent adhesive (having at least a thickness of GG 5 mm) . By removing such previously important components of the electroluminescent module, the present invention not only provides a single module keyboard assembly, but is further capable of constructing a thinner electroluminescent keyboard module. And those skilled in the art should understand that many variations and/or modifications of the invention may be made without departing from the spirit and scope of the invention. Therefore, the embodiments of the invention are to be considered as BRIEF DESCRIPTION OF THE DRAWINGS The first and second embodiments of the single-module keyboard assembly are respectively illustrated in accordance with a first embodiment of the present invention. Figure 2 is a partially exploded side view of the keyboard assembly module stack. Figures 3a, 3b and 3c are photographs of a real keyboard assembly incorporating the layers shown in Figure 2. 19 200805408 - Figures 4a and 4b are side and partial side views, respectively, of a keyboard assembly formed in accordance with the present invention. Figures 5a and 5b illustrate a three-layer and two-layer electroluminescent lamp inner closure keyboard. Figures 6a and 6b illustrate a conventional two-piece keyboard assembly.
【主要元件符號說明】 1 > 11 鍵盤頂部層 3-13 雙面膠層 4、14 強化層 2 、 5 、 12 、 15 導電膠層 7 膠著之柱塞 6、16 柱塞板層 8、1 8 圓頂層 9、19 印刷電路板 10 單模組鍵盤組件 171 突出物 201 連接器 501 鍵盤頂部表面 502 透明底部基板 503 聚酯膜層 504 透明前電極層 505 填光層 506 ^ 508 介電絕緣層 507 > 509 導電層、後導電層 20 200805408 510 後絕緣體層 600 鍵盤組件 610 鍵盤頂部構件 620 開關層構件[Main component symbol description] 1 > 11 Keyboard top layer 3-13 Double-sided adhesive layer 4, 14 Strengthening layer 2, 5, 12, 15 Conductive adhesive layer 7 Adhesive plunger 6, 16 Plunger plate layer 8, 1 8 Dome Layer 9, 19 Printed Circuit Board 10 Single Module Keyboard Assembly 171 Projection 201 Connector 501 Keyboard Top Surface 502 Transparent Bottom Substrate 503 Polyester Film Layer 504 Transparent Front Electrode Layer 505 Filling Layer 506 ^ 508 Dielectric Insulation Layer 507 > 509 Conductive Layer, Back Conductive Layer 20 200805408 510 Rear Insulator Layer 600 Keyboard Assembly 610 Keyboard Top Member 620 Switch Layer Member
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