201209699 六、發明說明： c發明戶斤屬之技術領域3 發明領域 本發明係有關於一種所謂的電子書籍裝置，可將電子 化之書籍等文字或圖像等情報（以下稱為「書籍資料」）記憶 於裝置本體内藏之記憶體，藉由隨時叫出該等書籍資料顯 示於裝置本體的顯示器，可如書籍般閱讀文字或圖像情報 等。 c先前技術；j 發明背景 迄今，配置有將使用者觸碰處識別為顯示部中之XY座 標值的感壓式觸控面板，以作為顯示書籍資料之顯示部的 電子書籍裝置已廣為人知(例如，參照專利文獻1)。但是， 感壓式觸控面板的表面係使用透明性較低的導電膜，由於 顯示部的透光率較低，使用感壓式觸控面板的電子書籍裝 置所顯示之書籍資料的可辨識度會較差，而期待有所改良。 先行技術文獻 專利文獻 專利文獻1 :特開2006-039783號公報 【發明内容】 發明揭示 發明欲解決之課題 由於相對於上述感壓式觸控面板，一般的光學式觸控 面板係於顯示部之座標檢測時使用紅外線，因此可使顯示 201209699 部之透光率較高，而提高所顯示之書籍資料的可辨識度。 但是，由於光學式觸控面板必須在顯示部端部全周緣配置 二極體，因此顯示部的周緣寬度會變大，而有限制住裝置 本體設計的問題。又，光學式觸控面板容易受到太陽光等 環境光的影響而隨之產生錯誤動作，因此現狀係無法將之 採用於特別重視設計感與攜帶性的電子書籍裝置。 本發明係有鑑於前述情事而做成者，目的在於提供一 種書籍資料之可辨識性優異，並且難以受到太陽光等環境 光影響而產生錯誤動作，並具優異使用感、攜帶性及設計 性的電子書籍裝置。 用以欲解決課題之手段 為了達到上述目的，本發明之要旨係提供一種電子書 籍裝置，該電子書籍裝置係具有顯示書籍資料的顯示部、 及一組發光元件與受光元件者，其特徵在於前述發光元件 係配置於前述顯示部之下側端緣部，前述受光元件係相對 於前述發光元件而配置於前述顯示部之上側端緣部，且前 述發光元件具有從前述顯示部之下側向上側射出紅外線以 通過前述顯示部表面的機能，前述受光元件具有檢測出前 述紅外線被遮住之屏蔽部位的機能。 本發明人為了得到顯示部之可辨識性高的電子書籍裝 置，持續進行研究。並且，在研究過程中，回想起：為了 在前述顯示部與一般書籍同樣地以頁數單位顯示書籍資 料，電子書籍裝置如同迄今所使用之感壓式觸控式面板， 並不要求須正確地指定顯示部上之χγ座標位置，只要可完 201209699 成相當於書籍之送紙移動動作，亦即可指定χ座標上的位置 即可。因此，更對於使用可指定X座標上位置的光學式觸控 面板的電子書籍裝置，持續進行研究。結果，探究出若製 作在顯示部之上側端緣部設置受光元件、在下側端緣部與 前述受光元件相對峙般地設置發光元件的光學式觸控面 板，並將之使用於電子書籍裝置，則可提高顯示部的可辨 識性，並且，即使在戶外使用時，也可不受太陽光等外光 影響，而正確地指定相當於書籍之送紙移動動作的使用者 動作，因此完成本發明。亦即，本發明係打破迄今無法將 光學式觸控面板使用於電子書籍裝置之常識而成者。 發明效果 如上所述，本發明之電子書籍裝置係與迄今之常識完 全相異，係一種具有顯示書籍資料的顯示部、及一組發光 元件與受光元件的電子書籍裝置，且前述發光元件配置於 前述顯示部之下側端緣部，前述受光元件相對於前述發光 元件而配置於前述顯示部之上側端緣部，且前述發光元件 具有從前述顯示部之下側向上側射出紅外線以通過前述顯 示部表面的機能，前述受光元件具有檢測出前述紅外線被 遮住之屏蔽部位的機能。因此，相較於使用感壓式觸控面 板做為顯示部之習知電子書籍裝置，顯示部之書籍資料的 可辨識性較高，可以更清晰的狀態顯示更複雜的資訊。又， 由於較不易受到太陽光等環境光的影響，即使在戶外使 用，也可防止錯誤動作。此外，由於可使顯示部左右兩側 端緣部的寬度變窄，因此可使裝置本體袖珍化，除具優異 201209699 的可攜帶性外，還可增加設計性。而且，由於發光元件及 受光元件為一組，故可達到電子書籍裝置的輕量化，可更 提高可攜帶性。 又，當前述發光元件係具有光源、及與光源光耦合之 光波導者時，由於光源的使用數較少，故可減少消耗電力， 並且可更達到電子書籍裝置的輕量化，更加提高可攜帶性。 此外，當前述受光元件係具有光電變換部件、及與光 電變換部件光耦合之光波導者時，由於可一次製作光的傳 送路徑，故可減少製作步驟，而可減低電子書籍裝置的製 造成本。 圖式簡單說明 第1圖係本發明一實施例的平面圖。 第2圖係本發明的說明圖。 第3圖係使用於上述實施例之發光元件4的說明圖。 第4圖係使用於上述實施例之受光元件3的說明圖。 第5圖係本發明之其他實施例的平面圖。 第6圖係本發明之另一其他實施例的平面圖。 【實方方式！3 用以實施發明之最佳形態 接著，說明用以實施本發明之形態。 第1圖係用以本發明之一實施例之電子書籍裝置的平 面圖。該電子書籍裝置在設置於裝置本體1之液晶顯示器 2(顯示部的對角線尺寸：9.7吋）的上側端緣部，設置包含有 作為光電變換部件之CMOS影像感測器、及光耦合於該 6 201209699 CMOS影像感測^之光波導的受光元件3，而在液晶顯示器2 的下側端緣部’則設置包含有作為光源之vCSEL(垂直共振 腔面發光雷射）、及光耦合於該VCSEL之光波導的發光元件 4。5係用以操作電源ΟΝ/OFF等之操作鈕。另外，第1圖係 模式性地表示各構成部分者，與實際大小不同（以下各圖皆 如此）。 更詳細說明如下，上述電子書籍裝置係將讀取自内藏 於裝置本體1之記憶體(未圖的書籍資料_示於液晶顯示 器2者’使用者可如閱讀書籍般地閱讀顯示於上述液晶顯示 益2的書籍資料。而i，設置於前述液晶顯示器2之下側端 緣部的發光元件4具有射出通過液晶顯示器2之上面、入射 至夾著液晶顯示器2而相對之受光元件3的紅外線的機能， 设置於前述液晶顯示器2之上側端緣部的受光元件3則具有 當前述紅外線被手或筆等所遮擋時檢測出其屏蔽部位的機 能。因此’當使用者將手或筆等在液晶顯示器2的表面如同 書籍之送駿地向右方或左方移料，由於前述紅外線會 依序被屏蔽，因此受光元件3可依序檢測出因為紅外線被屏 蔽而減少受光光亮的地方，藉此，顯示於液晶顯示器2的電 子資料可如書籍般地前進至下―頁、或回到前—頁。又， 操作紐5可進行上述之電源〇]^/〇1717等操作。 另外’本電子書籍裝置之方塊構成圖係如第2圖所示， 具備有：記憶體存有書籍資料或程式等者；中央演 ，置(CPU) ’係從前述記憶體讀取程式而執行者；及二 器1C，係將CMOS影像感測器所檢測出之屏蔽部位作為屏蔽 201209699 訊號而進行編碼傳達至中央裝置者。 根據上述構成，由於顯示部係由液晶顯示器2所形成， 故可以色彩豐富且清晰的狀態顯示書籍資料。又，由於受 光元件3設置於液晶顯示器2的上側端緣部，因此不易受到 太陽光等環境光的影響，即使是在戶外使用時，也可防止 錯誤動作。而且，由於在液晶顯示器2的橫側端緣部6，皆 未設置發光元件4及受光元件3，故可實現裝置本體1的輕量 化。此外，由於該等橫側寬緣部6的寬度可較窄，故可提高 裝置本體1的設計性。又，由於發光元件4係具有VCSEL(垂 直共振腔面發光雷射）、及光耦合於該VCSEL之光波導者， 故可減少光源數，而可達到消耗電力的減低、裝置本體的 輕量化。並且，由於VCSEL具有優異的光傳輸性，光波導 的光傳輸損失較低，因此可有效率地射出紅外線。而且， 由於受光元件3係具有CM0S影像感測器、及光耦合於該 CMOS影像感測器之光波導者，故即使減少光電變換部件 數，也可立刻檢測出紅外線的屏蔽部位，而可達到裝置本 體的輕量化。此外，受光元件3及發光元件4係具有光波導 者，由於可作為光波導而一次進行製造光傳送路徑，故可 減少該等製作工程中的步驟，而可減低製造成本。又，除 了光學式觸控面板之外，另外設置有操仙5，故可進行電 源的開關、從複數書籍資料中選擇㈣、讀取來自於 書籍資料等各種操作。 使用於本發明之顯示部係用以顯示書籍資料者，其表 面宜為平坦，以使紅外線容易通過。又，上述顯示部宜為 201209699 四角形，其中又以長方形更佳。而且，從可攜帶性此點來 看’其對角線尺寸宜為例如5〜2〇吋為佳。前述顯示部在前 述例中係使用液晶顯示器2，但除此之外，也可使用例如有 機電激發光顯示器、微膠囊型電泳式電子紙等。 本發明所使用之發光元件4非如習知光學式觸控面板 所使用之將紅外線射出成格子狀（上下左右2方向）者，而是 僅由下向上射出單方向者。藉此，無須在顯示部之橫側端 緣部6設置發光元件4，而可使該等之寬度較窄，因此可實 現裝置本體1的袖珍化、輕量化。例如，當使用習知之光學 式觸控面板’製造顯示部之對角線尺寸為9 7吋的電子書籍 裝置時’橫側端緣部6的寬度，一邊即至少須要1 〇mm以上。 相對於此’本發明之電子書籍裝置可使橫側端緣部6的寬度 為2mm以下，也可更直接消除橫側端緣部6(使之為〇1Ώιη)， 因此無須讓橫側端緣部6佔去多餘的空間。所以，可提高裝 置本體1的設計性自由度。 又，本發明所使用之發光元件4在上述實施形態中，如 第3圖所示，具有光源8、及光耦合於該光源8之光波導12。 前述光波導12係具有底覆層、設置於其上之核、及包圍前 述核之頂覆層者，前述光源8之光(紅外線)係藉由前述核導 至液晶顯示器2的下緣，並從其端部之凸透鏡12a(發光部） 射出。刖述各凸透鏡12a間的距離為又，如第3圖所 示，將光波導12的核彎曲，將光源8配置為與核之端部的凸 透鏡12a相反側。藉此，可更有效地將核之端部的凸透鏡 12a(發光部）配置於發光元件4的長邊，又，可使長邊的長度 9 201209699 更紐，故可達到裝置本體1的袖珍化。 另外’在上述實施形態中，使用VCSEL作為光源8，但 除此之外，也可使用發光二極體、半導體雷射等。其中， 從具優異光傳輸性此點來看，以使用VCSEL為佳。 本發明所使用之受光元件3在上述實施形態中，如第4 圖所示，具有光電變換部件1〇、及光耦合於該光電變換部 件1〇之光波導11。前述光波導u係具有底覆層、設置於其 上之核、及包圍前述核群周圍之頂覆層者，從發光元件4射 出之紅外線係以各核之端部的凸透鏡lla(受光部）受光，並 藉由前述各核導向光電變換部件1〇。因此，當以手指或筆 等屏蔽前述紅外線時，該位置的光強度會變低，因此光電 變換部件10可檢測出以手指或筆等所指示之顯示部上的X 座標位置並進行指定辨識。另外，在上述例中，導向光電 變換部件10之前述光波導的核之根數為100根，但可因應液 晶顯示器2的尺寸適當地設定其根數，以30〜170根為佳’ 以40〜150根更佳。又，也可使設有前述核之凸透鏡Ua之 側的端部細分化，分別在該等經細分化之端部設置凸透鏡 11a，使凸透鏡11a的數量多於導向光電變換部件1〇之上述 光波導之核根數。如此一來，可更加提高顯示部之X座標位 置的檢測感應度。在上述實施形態中，各凸透鏡1 la間的距 離為320μηι。又，前述受光元件3可如第4圖所示，將光波 導的核彎曲，將光電變換部件10配置為與核之端部的凸透 鏡11a相反側。藉此，可更有效地將核之端部的凸透鏡11a 配置於受光元件3的長邊，又，可使長邊的長度更短，故可 201209699 達到裝置本體1的袖珍化。 另外，在上述實施形態中，使用CMOS影像感測器作為 光電變換部件10，但除此之外，也可使用特殊用途積體電 路(ASIC)、半導體感測器（CMOS影像感測器、CCD影像感 測器等）' 光電二極體、或光電晶體等。其中，從可瞬間進 行光電變換處理一點來看，宜使用特殊用途積體電路(ASIC) 或半導體感測器。 本發明所使用之光波導(使用於發光元件4之光波導12 及使用於受光元件3之光波導11)在前述實施型態中皆係使 用光蝕刻法所得者，具備有：由具有脂環式骨架之環氧系 紫外線硬化樹脂所形成的底覆層（厚度2〇μηι);在底覆層表 面形成圖案、由包含苐骨架之環氧系紫外線硬化樹脂所形 成的核（寬度15μηι、高度50μιη);及包覆核地形成於底覆層 上、由具有脂環式骨架之環氧系紫外線硬化樹脂所形成的 頂覆層（厚度1mm)。另外，如上述之光波導（11、12)除了光 Ί虫刻法以外，也可藉由使用電漿之乾蝕刻法、轉印法、光 褪色等進行製作。 前述光波導（U、12)之核在上述實施形態中，係以包含 苐骨架之環氧系紫外線硬化樹脂所形成，但也可以較底覆 層及頂覆層之折射率高、相對於近紅外光區域之波長透明 性較高的材料所形成。如上述材料宜使用具優異圖案成形 性的紫外線硬化樹脂’具體而言，可列舉如丙烯系、環氧 系、矽氧烷系、降莰烯(norb〇rnene)系、聚亞醯胺系等》 又’上述核之戴面形狀從具優異圖案成形性此點來 201209699 看，宜為梯形、四角形。而且，核截面下底之核寬度以ίο 〜500μπι為佳，連結核截面之上底中點與下底中點的核高 度以10〜ΙΟΟμίΏ為佳。 前述光波導（11、12)之底覆層及頂覆層在上述實施形態 中，係以具有脂環式骨架之環氧系紫外線硬化樹脂所形 成，但也可以折射率較核為低的材料所形成。又，底覆層 可使用例如玻璃、矽、金屬、樹脂等可兼用具有平坦性之 基板的材料。然後，頂覆層不一定須形成為以異於核之材 料被覆核周圍，也可為所謂的空氣包層（air-cladding)。另 外，形成上述核、底覆層及頂覆層之樹脂的折射率可藉由 導入樹脂之有機基的種類或含有量來增加或減少。 而且，在上述實施型態中，係將操作鈕5設置於液晶顯 示器2下側，但也可因為裝置本體1的設計而設置於裝置本 體1的側面或液晶顯示器2的上側，也可完全不設。 接著，本發明之電子書籍裝置的另一實施型態（裝置本 體13)係顯示如第5圖的平面圖。另外，對於與上述實施形 態同樣的構件附加同樣的符號，並省略其說明。本實施形 態（裝置本體13)係顯示使用具有複數發光二極體7之發光元 件代替上述實施形態（裝置本體1)之發光元件4之例，除此之 外，皆與上述實施形態一樣，具有同樣效果。亦即，在本 實施形態中，在液晶顯示器2的下側端緣部呈橫一列地配置 有複數發光二極體7，以作為發光元件的發光部。因此，可 輕易地個別增減射出之紅外線光量。另外，發光二極體7之 個數可因應液晶顯示器2的尺寸進行適宜選擇。201209699 VI. Description of the Invention: C TECHNICAL FIELD OF THE INVENTION The present invention relates to a so-called electronic book device that can store information such as texts and images such as electronic books (hereinafter referred to as "book materials"). The memory stored in the body of the device is displayed on the display of the device body by calling the book materials at any time, and can read text or image information as a book. BACKGROUND OF THE INVENTION Heretofore, a pressure-sensitive touch panel that recognizes a user's touch as an XY coordinate value in a display portion is widely known as an electronic book device that displays a display portion of book materials (for example, Refer to Patent Document 1). However, the surface of the pressure-sensitive touch panel uses a conductive film having a low transparency, and the light transmittance of the display portion is low, and the book data displayed by the electronic book device using the pressure-sensitive touch panel is recognizable. Will be worse, and look forward to improvement. [Problem to be Solved by the Invention] Since a general optical touch panel is attached to a display portion with respect to the above-described pressure sensitive touch panel, Infrared is used for coordinate detection, so that the transmittance of the 201209699 part is higher, and the recognition of the displayed book data is improved. However, since the optical touch panel must have the diode disposed on the entire circumference of the end portion of the display portion, the peripheral width of the display portion becomes large, which has a problem of restricting the design of the device body. Further, since the optical touch panel is easily affected by ambient light such as sunlight and malfunctions, it is not possible to use it in an electronic book device that pays particular attention to design and portability. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a book material which is excellent in identifiability and which is difficult to be affected by ambient light such as sunlight, and which has an erroneous action, and has excellent use, portability, and design. Electronic book device. Means for Solving the Problems In order to achieve the above object, an object of the present invention is to provide an electronic book device having a display portion for displaying book materials, and a group of light-emitting elements and light-receiving elements, characterized in that The light-emitting element is disposed on a lower end edge portion of the display portion, and the light-receiving element is disposed on an upper end edge portion of the display portion with respect to the light-emitting element, and the light-emitting element has an upper side from a lower side of the display portion The function of emitting infrared rays to pass through the surface of the display portion, the light-receiving element has a function of detecting a shield portion where the infrared rays are blocked. The inventors of the present invention conducted research in order to obtain an electronic book device having high visibility of the display portion. Further, in the course of the research, it is recalled that in order to display the book material in the number of pages in the same manner as the general book in the display unit, the electronic book device is not required to be correctly used as the pressure-sensitive touch panel used so far. Specify the position of the χ coordinate on the display unit. If you can complete the paper feed movement of the book equivalent to 201209699, you can specify the position on the coordinate mark. Therefore, research is continuing on an electronic book device using an optical touch panel that can specify a position on the X coordinate. As a result, it was found that an optical touch panel in which a light-receiving element is provided on the upper end edge portion of the display portion and a light-emitting element is provided on the lower end edge portion opposite to the light-receiving element is used, and is used in an electronic book device. Further, the identifiability of the display unit can be improved, and the user's operation corresponding to the paper feed movement operation of the book can be accurately designated without being affected by external light such as sunlight even when used outdoors, and thus the present invention has been completed. That is, the present invention breaks down the common knowledge that the optical touch panel cannot be used in an electronic book device. Advantageous Effects of Invention As described above, the electronic book device of the present invention is completely different from the conventional knowledge, and is an electronic book device having a display unit for displaying book materials and a set of light-emitting elements and light-receiving elements, and the light-emitting elements are disposed on The light-receiving element is disposed on the upper end edge portion of the display portion with respect to the light-emitting element, and the light-emitting element emits infrared rays from the lower side of the display portion to pass the display. The function of the surface of the part, the light-receiving element has a function of detecting a shielded portion where the infrared ray is blocked. Therefore, compared with the conventional electronic book device using the pressure sensitive touch panel as the display portion, the book data of the display portion is highly identifiable, and more complicated information can be displayed in a clearer state. Moreover, since it is less susceptible to ambient light such as sunlight, it can prevent malfunctions even when used outdoors. Further, since the widths of the left and right end edges of the display portion can be narrowed, the apparatus body can be made compact, and in addition to the excellent portability of 201209699, the design can be increased. Further, since the light-emitting element and the light-receiving element are one set, the weight of the electronic book device can be reduced, and the portability can be improved. Further, when the light-emitting element has a light source and an optical waveguide that is optically coupled to the light source, since the number of light sources used is small, power consumption can be reduced, and the weight of the electronic book device can be further reduced, and the portable device can be further improved. Sex. Further, when the light-receiving element has a photoelectric conversion member and an optical waveguide optically coupled to the photoelectric conversion member, since the light transmission path can be produced at one time, the number of fabrication steps can be reduced, and the manufacturing cost of the electronic book device can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a plan view showing an embodiment of the present invention. Fig. 2 is an explanatory view of the present invention. Fig. 3 is an explanatory view of the light-emitting element 4 used in the above embodiment. Fig. 4 is an explanatory view of the light-receiving element 3 used in the above embodiment. Figure 5 is a plan view of another embodiment of the present invention. Figure 6 is a plan view of still another embodiment of the present invention. [Real way! 3 Best Mode for Carrying Out the Invention Next, a mode for carrying out the invention will be described. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a plan view of an electronic book apparatus used in an embodiment of the present invention. The electronic book device is provided with a CMOS image sensor as a photoelectric conversion member and optically coupled to the upper end edge portion of the liquid crystal display 2 (diagonal size of the display portion: 9.7 Å) provided in the apparatus main body 1. The 6 201209699 CMOS image senses the light-receiving element 3 of the optical waveguide, and the lower end edge portion of the liquid crystal display 2 is provided with a vCSEL (vertical cavity surface-emitting laser) as a light source, and optical coupling The light-emitting element 4. 5 of the optical waveguide of the VCSEL is used to operate an operation button such as a power supply ΟΝ/OFF. In addition, the first figure schematically shows each component, and is different from the actual size (the following figures are the same). More specifically, the electronic book device described above is read from a memory built in the device body 1 (a book material not shown in the figure - shown in the liquid crystal display 2) can be read and displayed on the liquid crystal as a book. The book material of the benefit 2 is displayed, and i. The light-emitting element 4 provided on the lower end edge portion of the liquid crystal display 2 has infrared rays which are incident on the upper surface of the liquid crystal display 2 and incident on the light-receiving element 3 opposed to the liquid crystal display 2 The light-receiving element 3 provided on the upper end edge portion of the liquid crystal display 2 has a function of detecting the shielding portion when the infrared ray is blocked by a hand or a pen, etc. Therefore, when the user puts a hand or a pen or the like The surface of the liquid crystal display 2 is transferred to the right or to the left like a copy of the book. Since the infrared rays are sequentially shielded, the light-receiving element 3 can sequentially detect where the infrared light is shielded to reduce the light-receiving place. Therefore, the electronic data displayed on the liquid crystal display 2 can be advanced as a book to the next page, or back to the front page. In addition, the operation button 5 can perform the above-mentioned electricity. 〇]^/〇1717, etc. In addition, the block diagram of the electronic book device is as shown in Fig. 2, and includes: a book with a book or a program stored in the memory; a central play, a set (CPU) The executor reads the program from the memory; and the second device 1C encodes the shielded portion detected by the CMOS image sensor as a shield 201209699 signal to the central device. Since the liquid crystal display 2 is formed, the book material can be displayed in a colorful and clear state. Further, since the light receiving element 3 is provided on the upper edge portion of the liquid crystal display 2, it is less susceptible to ambient light such as sunlight, even in the case of In the case of outdoor use, it is possible to prevent erroneous operation. Further, since the light-emitting element 4 and the light-receiving element 3 are not provided in the lateral edge portion 6 of the liquid crystal display 2, the weight of the apparatus body 1 can be reduced. The width of the laterally wide portion 6 can be narrower, so that the design of the apparatus body 1 can be improved. Moreover, since the light-emitting element 4 has a VCSEL (Vertical Resonator Surface Illumination Laser), The light is coupled to the optical waveguide of the VCSEL, so that the number of light sources can be reduced, and the power consumption can be reduced, and the weight of the device body can be reduced. Moreover, since the VCSEL has excellent optical transmission, the optical transmission loss of the optical waveguide is low. Therefore, the infrared ray can be efficiently emitted. Further, since the light receiving element 3 has a CMOS image sensor and an optical waveguide optically coupled to the CMOS image sensor, even if the number of photoelectric conversion components is reduced, it can be detected immediately. In addition, since the light-receiving element 3 and the light-emitting element 4 have an optical waveguide, the light-transmitting element 3 and the light-emitting element 4 can be used as an optical waveguide to manufacture an optical transmission path at a time, thereby reducing the number of manufacturing processes. The steps can reduce the manufacturing cost. In addition, in addition to the optical touch panel, there is another set of operation, so the power switch can be selected, the book materials can be selected (4), and the books and materials can be read. operating. The display portion used in the present invention is for displaying a book material, and the surface thereof is preferably flat so that infrared rays can easily pass. Further, the display portion is preferably a 201209699 quadrangle, wherein the rectangular shape is better. Further, from the viewpoint of portability, it is preferable that the diagonal size is, for example, 5 to 2 inches. The display unit uses the liquid crystal display 2 in the above-described example. Alternatively, for example, an electromechanical excitation light display, a microcapsule type electrophoretic electronic paper, or the like can be used. The light-emitting element 4 used in the present invention is not used as a conventionally used optical touch panel to emit infrared rays into a lattice shape (up, down, left, and right directions), but to emit a single direction only from the bottom to the top. Thereby, the light-emitting element 4 is not required to be provided on the lateral side edge portion 6 of the display portion, and the width of the light-emitting elements 4 can be made narrow, so that the apparatus body 1 can be made compact and lightweight. For example, when a conventional electronic optical touch panel is used to manufacture an electronic book device having a diagonal size of 9 吋, the width of the lateral side edge portion 6 needs to be at least 1 〇 mm or more. In contrast, the electronic book device of the present invention can make the width of the lateral side edge portion 6 2 mm or less, and can directly eliminate the lateral side edge portion 6 (making it 〇1Ώιη), so that the lateral side edge is not required. Department 6 takes up extra space. Therefore, the design freedom of the apparatus body 1 can be improved. Further, in the above embodiment, the light-emitting element 4 used in the present invention has a light source 8 and an optical waveguide 12 optically coupled to the light source 8, as shown in Fig. 3. The optical waveguide 12 has a bottom cladding layer, a core provided thereon, and a top cladding layer surrounding the core, and the light (infrared light) of the light source 8 is guided to the lower edge of the liquid crystal display 2 by the core. The convex lens 12a (light emitting portion) is projected from the end portion thereof. The distance between the respective convex lenses 12a is further described. As shown in Fig. 3, the core of the optical waveguide 12 is bent, and the light source 8 is disposed on the opposite side of the convex lens 12a at the end of the core. Thereby, the convex lens 12a (light emitting portion) at the end of the core can be more effectively disposed on the long side of the light-emitting element 4, and the length 9 201209699 of the long side can be further increased, so that the device body 1 can be made compact. . Further, in the above embodiment, a VCSEL is used as the light source 8, but in addition to the above, a light emitting diode, a semiconductor laser or the like may be used. Among them, from the viewpoint of excellent optical transmission, it is preferable to use a VCSEL. In the above-described embodiment, the light-receiving element 3 used in the present invention has a photoelectric conversion member 1A and an optical waveguide 11 optically coupled to the photoelectric conversion member 1A as shown in Fig. 4 . The optical waveguide u has a bottom layer, a core provided thereon, and a top layer surrounding the core group, and the infrared rays emitted from the light-emitting element 4 are convex lenses 11a (light-receiving portions) at the ends of the cores. The light is received, and the photoelectric conversion member 1 is guided by the respective cores. Therefore, when the infrared ray is shielded by a finger or a pen or the like, the light intensity at the position is lowered. Therefore, the photoelectric conversion member 10 can detect the X coordinate position on the display portion indicated by a finger, a pen or the like and perform designation identification. Further, in the above example, the number of cores of the optical waveguide that guides the photoelectric conversion member 10 is 100, but the number of the liquid crystal display 2 can be appropriately set according to the size of the liquid crystal display 2, preferably 30 to 170. ~150 are better. Further, the end portion on the side where the convex lens Ua of the core is provided may be subdivided, and the convex lens 11a may be provided at the end portions of the subdivided portions so that the number of the convex lenses 11a is larger than that of the light guided to the photoelectric conversion member 1 The number of cores of the waveguide. In this way, the detection sensitivity of the X coordinate position of the display portion can be further improved. In the above embodiment, the distance between the respective convex lenses 1 la is 320 μm. Further, as shown in Fig. 4, the light-receiving element 3 can bend the core of the optical waveguide, and arrange the photoelectric conversion member 10 on the opposite side of the convex lens 11a at the end of the core. Thereby, the convex lens 11a at the end of the core can be more effectively disposed on the long side of the light receiving element 3, and the length of the long side can be made shorter, so that the device body 1 can be made compact in 201209699. Further, in the above embodiment, a CMOS image sensor is used as the photoelectric conversion member 10, but in addition to this, a special-purpose integrated circuit (ASIC), a semiconductor sensor (CMOS image sensor, CCD) may be used. Image sensor, etc.) 'Photoelectric diode, or photoelectric crystal. Among them, from the viewpoint of instantaneous photoelectric conversion processing, it is preferable to use a special-purpose integrated circuit (ASIC) or a semiconductor sensor. The optical waveguide (the optical waveguide 12 used for the light-emitting element 4 and the optical waveguide 11 used for the light-receiving element 3) used in the present invention is obtained by photolithography in the above-described embodiments, and is provided with an alicyclic ring. A primer layer (thickness: 2〇μηι) formed of an epoxy-based ultraviolet curable resin of a skeleton; a core formed on the surface of the undercoat layer and having an epoxy-based ultraviolet curable resin containing an anthracene skeleton (width 15 μm, height) 50 μm); and a top coat layer (thickness: 1 mm) formed of an epoxy-based ultraviolet curable resin having an alicyclic skeleton formed on the undercoat layer. Further, the optical waveguides (11, 12) as described above may be produced by a dry etching method using a plasma, a transfer method, or a light fading, in addition to the optical mites. In the above embodiment, the core of the optical waveguide (U, 12) is formed of an epoxy-based ultraviolet curable resin containing an anthracene skeleton, but the refractive index of the undercoat layer and the top cladding layer may be higher and closer to the vicinity. It is formed by a material with high wavelength transparency in the infrared light region. As the above material, an ultraviolet curable resin having excellent pattern formability is preferably used. Specific examples thereof include a propylene-based, an epoxy-based, a decane-based system, a norbene-neene-based system, and a polyammonium-based system. 》In addition, the shape of the above-mentioned nuclear surface is from the point of 201209699, which is a trapezoidal shape and a quadrangular shape. Moreover, the width of the core at the bottom of the core section is preferably ίο ～500 μπι, and the height of the nucleus above the midpoint of the upper and lower bottom of the nuclear cross section is preferably 10 ΙΟΟμίΏ. In the above embodiment, the undercoat layer and the top coat layer of the optical waveguides (11, 12) are formed of an epoxy-based ultraviolet curable resin having an alicyclic skeleton, but may have a material having a lower refractive index than a core. Formed. Further, as the undercoat layer, for example, a material such as glass, tantalum, metal, or resin which can use a flat substrate can be used. Then, the top cladding layer does not have to be formed to surround the core with a material different from the core, and may be a so-called air-cladding. Further, the refractive index of the resin forming the core, the undercoat layer and the top coat layer may be increased or decreased by the kind or content of the organic group introduced into the resin. Further, in the above embodiment, the operation button 5 is disposed on the lower side of the liquid crystal display 2, but may be disposed on the side of the apparatus body 1 or the upper side of the liquid crystal display 2 due to the design of the apparatus body 1, or may not be at all Assume. Next, another embodiment (the apparatus body 13) of the electronic book apparatus of the present invention is a plan view as shown in Fig. 5. The same members as those in the above-described embodiment are denoted by the same reference numerals, and their description will be omitted. The present embodiment (device main body 13) is an example in which the light-emitting element 4 having the plurality of light-emitting diodes 7 is used instead of the light-emitting element 4 of the above-described embodiment (device main body 1), and the same as the above-described embodiment. The same effect. In other words, in the present embodiment, the plurality of light-emitting diodes 7 are arranged in a row in the lower end edge portion of the liquid crystal display 2 as a light-emitting portion of the light-emitting element. Therefore, the amount of infrared light emitted can be easily increased or decreased individually. Further, the number of the light-emitting diodes 7 can be appropriately selected in accordance with the size of the liquid crystal display 2.
S 12 201209699 又，本發明之電子書籍裝置又另一實施形態（裝置本體 14)係顯示如第6圖之平面圖。另外，對於與上述實施形態 同樣的構件附加同樣的符號，旅省略其說明。本實施形態 (裝置本體14)係顯示使用具有光源8及導波路構件9之發光 元件代替上述實施形態（裝置本體1)之發光元件4之例，除此 之外，皆與上述實施形態一樣，具有同樣效果。在本實施 形態中，由於發光元件具有光源8、及具有可反射該光源8 之光之反射面的導波路構件9，故來自於光源8之光藉由導 波路構件9之反射面（未圖示），方向可變換90。，通過液晶顯 示器2表面而射出。另外，前述光源8可使用與上述實施形 態所記載者相同的光源。又，上述導波路構件9的材料可使 用環氧樹脂或丙烯酸酯樹脂等透明性較高的各種樹脂。根 據前述構造，由於可簡化發光元件的製作步驟，故可更縮 %電子書籍裝置之製造時間，而可實現低成本化。 在上述實施形態中，顯示本發明之具體形態，但上述 實施形態不過係單純的例子，非限輯釋本發明者。此外， ;申青專和範圍貫質相等範圍的變更全在本發明之範圍 内。 從耒上之可利用性 等产二U可利用於書籍資料辨識性佳、不易受到太陽光 性:：：響而產生錯誤動作、且使用感、攜帶性及設計 生白優異的電子書籍裝置。 【圖式簡單說明】 第圖係本發明一實施例的平面圖。 13 201209699 第2圖係本發明的說明圖。 第3圖係使用於上述實施例之發光元件4的說明圖。 第4圖係使用於上述實施例之受光元件3的說明圖。 第5圖係本發明之其他實施例的平面圖。 第6圖係本發明之另一其他實施例的平面圖。 【主要元件符號說明】 卜13、14...裝置本體 8...光源 2…液晶顯不裔 3.. .受光元件 4.. .發光元件 5.. .操作紐 9.. .導波路構件 10.. .光電變換部件 11、12...光波導 11a、12a...凸透鏡 6...橫側端緣部 7...發光二極體 14Further, in another embodiment (device main body 14) of the electronic book apparatus of the present invention, a plan view as shown in Fig. 6 is shown. Incidentally, the same members as those of the above-described embodiment are denoted by the same reference numerals, and the description thereof will be omitted. In the present embodiment (device main body 14), an example in which the light-emitting element having the light source 8 and the waveguide member 9 is used instead of the light-emitting element 4 of the above-described embodiment (device main body 1) is the same as the above-described embodiment. Has the same effect. In the present embodiment, since the light-emitting element has the light source 8 and the waveguide member 9 having a reflecting surface for reflecting the light of the light source 8, the light from the light source 8 is reflected by the waveguide member 9 (not shown). Show), the direction can be changed by 90. It is emitted through the surface of the liquid crystal display 2. Further, as the light source 8, the same light source as that described in the above embodiment can be used. Further, as the material of the waveguide member 9, various resins having high transparency such as an epoxy resin or an acrylate resin can be used. According to the above configuration, since the manufacturing process of the light-emitting element can be simplified, the manufacturing time of the electronic book device can be further reduced, and the cost can be reduced. In the above embodiment, the specific embodiment of the present invention is shown, but the above embodiment is merely a simple example, and the inventors are not limited. In addition, changes to the scope of the Shenqing and the scope of the scope are all within the scope of the present invention. From the availability of the 等 二 二 二 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可 可BRIEF DESCRIPTION OF THE DRAWINGS The drawings are plan views of an embodiment of the present invention. 13 201209699 Fig. 2 is an explanatory view of the present invention. Fig. 3 is an explanatory view of the light-emitting element 4 used in the above embodiment. Fig. 4 is an explanatory view of the light-receiving element 3 used in the above embodiment. Figure 5 is a plan view of another embodiment of the present invention. Figure 6 is a plan view of still another embodiment of the present invention. [Description of main component symbols] Bu 13, 14... Device body 8... Light source 2... Liquid crystal display 3: Light-receiving element 4.. Light-emitting element 5. Operation level 9: Guide Member 10.... photoelectric conversion member 11, 12... optical waveguide 11a, 12a... convex lens 6... lateral side edge portion 7... light emitting diode 14