M420769 五、新型說明： 【新型所屬之技術領域】 本創作涉及一種觸控裝置’尤其涉及一種光學觸控裝置。 【先前技術】 觸控螢幕由於可以於螢幕上直接以物體或手指經由觸控 操作，從而取代機械式的按鈕操作。而應用在觸控螢幕的光學 觸控技術十分廣泛’其利用光源接收遮斷原理，當光線遭遮斷 時，即可偵測出該遭遮斷的位置，進而確定其精確位置。 % 如第一圖至第三圖所示，傳統的光學觸控裝置500包括玻 璃基板501、放置於玻璃基板501上的紅外線發生器5〇2、反 光條503以及用於感應紅外線的感應器504。其中，感應器5〇4 放置在玻璃基板5 01上的角洛處’紅外線發生器5 〇2則放置於 感應器504的上方。通常反光條503至少為兩條，分別設在玻 璃基板5 01的左側邊沿和下側邊沿上。經由紅外線發生器5〇2 發出光線並由反光條503將光線反射，以形成觸控區5〇5。當 手指或其他指示物觸碰觸控區505以遮斷光線時，感應器504 φ 偵測到手指或指示物在觸控區505的相對位置，從而完成操控 動作。 - 惟’隨著電子產品消費者對輕薄尺寸的要求越來越高，傳 統的光學觸控裝置500體積龐大，而無法滿足消費者的需求。 再次參考第二圖，由於感應器504直接設置在玻璃基板501 上，而紅外線發生器502也直接設置在感應器504上，使得光 學觸控裝置500的整體高度/厚度增加，從而不利於產品的競 爭力。 【新型内容】 3 M420769 本創作的目的在於針對上述習知技術料足提供一種結 構簡單、輕薄緊湊的光學觸控裝置。 為實現上述目的，本創作所提供的光學觸控裝置，包括·_ 基板，基板上形成觸控區，基扳的至少一拐角處形成倒角；至 少i感組件，設置於基板的倒角的側面處，傳感組件包括傳 感70件及發光兀件，至少一第—反光元件，設置於觸控區的周 邊，用以反射發光元件發出的光線至觸控區，·至少一第二反光 元件，設於傳感元件上方，用以引導由第一反光元件反射的光 線至所述傳感元件。 如上所述’本創作的光學觸控裝置通過在基板的拐角處形 成倒角’繼而將包含發光元件以及傳感元件的傳感組件設置於 基板的倒角的側面處，使得光學觸控裝置的整體高度不會因傳 感組件而增加。因此本創作的光學觸控裝置的結構緊凑、輕 薄，更能適應於輕薄小尺寸電子產品的發展需求。 【實施方式】 為詳細說明本創作的技術内容、構造特徵、所實現目的及 效果，以下結合實施方式並配合附圖詳予說明。 請參考第四圖，本創作光學觸控裝置丨包括基板1〇 '包 含發光元件210及傳感元件220的傳感組件2〇、用於引導發 光元件發出的光線的第一反光元件3〇a、3〇b、3〇c，以及用於 反射光線至傳感組件20的第二反光元件4〇。 具體地，該基板1〇為玻璃材料，其具有一定的厚度，基 板1〇上形成觸控區。基板10的兩個拐角處分別形成倒角該 倒角的範圍是30。〜60。，本實施例中的倒角為45、而兩個傳 感組件20則分別固定在兩個倒角的側面處。每一傳感組件 包括並排設置的發光元件21〇以及傳感元件22〇。本實施例中 M420769 該發光7G件210為紅外線LED，該傳感元件22〇用以感測手指 或物體觸碰觸控區％發射的紅外線。為確保充足的有效觸控空 間，在基板1 〇的左侧、右侧和下側部位分別設置一個呈條狀 的第一反光元件30a、30b、30c。具體地，該三個第一反光元 件30a〜30c直接設置於基板10之上，其申第一反光元件3〇b 分別與其他兩個第一反光元件3〇a、30c相互垂直。 如上所述，每一傳感組件20包括發光元件21〇以及傳感 兀件220，具體地，如第四圖至第六圖所示，傳感組件2〇的 本體的頂部和基板10的頂部位於同一平面，即傳感組件2〇的 本體的厚度和基板10的厚度一致，因此傳感組件20固定在基 板10的拐角的倒角側面後，不會增加整個裝置的高度。而位 於左側倒角的發光元件210發出的光線可覆蓋至右側及下側 的第一反光元件30b、30c，位於右側倒角的發光元件21〇發 出的光線則可覆蓋至左側及下側的第一反光元件3〇a、3〇b。 在傳感元件220的上方傾斜地設置有第二反光元件4〇， 用以將第一反光元件30a〜30c反射的光線引導至傳感元件22〇 中。較佳地’為確保光線能準確到達傳感元件22〇，該第二反 光元件40的傾斜角度範圍為30。〜60。。本實施例中，第二反 光元件40的傾斜度為45。。 當發光元件210發出光線至觸控區後，光線會通過觸控區 而入射至對應的第一反光元件3 0a〜3 0c，並被第一反光元件 3〇a〜3〇c反射至第二反光元件40。第二反光元件4〇接收由第 —反光元件30a〜30c所反射的光線後，將其反射至傳感元件 22〇中，由此傳感元件220得以接收光線。 如第七圖所示，當手指或其他物體觸碰觸控區時，會遮斷 部分由第一反光元件30a〜30c反射至觸控區的光線，此時，傳 感元件220會因為部分光線被遮斷而偵測出手指或其他物體 5 M420769 位於觸控區的相對位置，繼而與該光學觸控裝置1相連的外部 控制裝置則會完成操控的動作。 綜上所述’本創作的光學觸控裝置1通過在基板10的拐 角處形成倒角，繼而將包含發光元件210以及傳感元件220的 傳感組件20設置於基板1 〇的倒角的侧面處，使得光學觸控裝 置1的整體高度不會因傳感組件20而增加。因此本創作的光 干觸控裝置1的結構緊凑、輕薄，更能適應於輕薄小尺寸電子 產品的發展需求。 【圖式簡單說明】 第一圖為習知的光學觸控裝置之俯視圖。 第二圖為第一圖的光學觸控裝置之剖視圖。 第三圖為用戶手指在第二圖的光學觸控裝置上操作之使 用示意圖。 第四圖為本創作的光學觸控裝置之俯視圖。 第五圖為第四圖的光學觸控裝置之剖視圖。 第六圖為第五圖的A部分之放大圖。 第七圖為用戶手指在光學觸控裝置上操作之使用示意圖 【主要元件符號說明】 光學觸控裝置 1 傳感組件 20 傳感元件 220 第二反光元件 40 基板 發光元件 第一反光元件 10 210 3〇a' 30b ' 30cM420769 V. New Description: [New Technology Field] The present invention relates to a touch device, and more particularly to an optical touch device. [Prior Art] The touch screen replaces the mechanical button operation by directly touching the object or finger on the screen. The optical touch technology applied to the touch screen is very extensive. It uses the light source to receive the interrupting principle. When the light is blocked, the blocked position can be detected and the precise position can be determined. As shown in the first to third figures, the conventional optical touch device 500 includes a glass substrate 501, an infrared generator 5〇 placed on the glass substrate 501, a reflective strip 503, and an inductor 504 for sensing infrared rays. . The sensor 5〇4 is placed on the glass substrate 501. The infrared ray generator 〇2 is placed above the inductor 504. Usually, at least two reflective strips 503 are provided on the left and lower edges of the glass substrate 501, respectively. Light is emitted through the infrared ray generator 5 〇 2 and reflected by the reflective strip 503 to form the touch area 5 〇 5 . When a finger or other indicator touches the touch area 505 to block the light, the sensor 504 φ detects the relative position of the finger or the pointer in the touch area 505, thereby completing the manipulation. - However, as electronic consumers are increasingly demanding thin and light sizes, the traditional optical touch device 500 is bulky and cannot meet the needs of consumers. Referring again to the second figure, since the sensor 504 is directly disposed on the glass substrate 501, and the infrared ray generator 502 is also directly disposed on the inductor 504, the overall height/thickness of the optical touch device 500 is increased, thereby being disadvantageous for the product. Competitiveness. [New Content] 3 M420769 The purpose of this creation is to provide an optical touch device that is simple in structure, light and compact, and suitable for the above-mentioned conventional technology. In order to achieve the above object, the optical touch device provided by the present invention comprises: a substrate, a touch area is formed on the substrate, and a chamfer is formed at at least one corner of the base plate; at least an i-sensor component is disposed on the chamfer of the substrate. The sensing component comprises: 70 sensing elements and at least one first reflecting component disposed at the periphery of the touch area for reflecting light emitted from the light emitting component to the touch area, and at least one second reflective An element is disposed above the sensing element for guiding light reflected by the first light reflecting element to the sensing element. As described above, the optical touch device of the present invention forms a chamfer at the corner of the substrate, and then the sensing component including the light-emitting element and the sensing element is disposed at the side of the chamfer of the substrate, so that the optical touch device is The overall height is not increased by the sensing components. Therefore, the optical touch device of the present invention is compact, light and thin, and is more suitable for the development of thin and small-sized electronic products. [Embodiment] The technical contents, structural features, objects and effects achieved by the present invention will be described in detail below with reference to the embodiments. Referring to the fourth figure, the optical touch device of the present invention includes a substrate 1 〇 a sensing component 2 including a light-emitting element 210 and a sensing element 220, and a first light-reflecting element 3 〇a for guiding light emitted by the light-emitting element. 3〇b, 3〇c, and a second retroreflective element 4〇 for reflecting light to the sensing assembly 20. Specifically, the substrate 1 is a glass material having a certain thickness, and a touch area is formed on the substrate 1 . The chamfers are formed at the two corners of the substrate 10, respectively, and the range of the chamfer is 30. ~60. The chamfer in this embodiment is 45, and the two sensing components 20 are respectively fixed at the sides of the two chamfers. Each of the sensing components includes a light-emitting element 21A disposed side by side and a sensing element 22A. In this embodiment, the light-emitting 7G device 210 is an infrared LED, and the sensing element 22 is configured to sense infrared rays emitted by a finger or an object touching the touch area. In order to secure a sufficient effective touch space, a strip-shaped first light reflecting element 30a, 30b, 30c is provided on the left side, the right side, and the lower side of the substrate 1 。, respectively. Specifically, the three first light reflecting elements 30a to 30c are directly disposed on the substrate 10, and the first light reflecting elements 3〇b are perpendicular to the other two first light reflecting elements 3a and 30c, respectively. As described above, each of the sensing components 20 includes the light emitting elements 21A and the sensing elements 220. Specifically, as shown in the fourth to sixth figures, the top of the body of the sensing unit 2〇 and the top of the substrate 10 Located in the same plane, that is, the thickness of the body of the sensing unit 2 is the same as the thickness of the substrate 10, so that the sensing unit 20 is fixed to the chamfered side of the corner of the substrate 10 without increasing the height of the entire device. The light emitted from the light-emitting element 210 on the left side of the chamfer can cover the first and lower side of the first light-reflecting elements 30b, 30c, and the light emitted from the light-emitting element 21 on the right side of the chamfer can cover the left and the lower side. A light reflecting element 3〇a, 3〇b. A second light reflecting element 4 is disposed obliquely above the sensing element 220 for guiding the light reflected by the first light reflecting elements 30a to 30c into the sensing element 22A. Preferably, the angle of inclination of the second retroreflective element 40 is 30 to ensure that light can reach the sensing element 22 accurately. ~60. . In this embodiment, the inclination of the second light reflecting element 40 is 45. . When the light-emitting element 210 emits light to the touch area, the light is incident on the corresponding first light-reflecting elements 30a to 30c through the touch area, and is reflected by the first light-reflecting elements 3a to 3〇c to the second Reflective element 40. The second light reflecting element 4 receives the light reflected by the first reflecting elements 30a to 30c and reflects it into the sensing element 22, whereby the sensing element 220 receives the light. As shown in the seventh figure, when a finger or other object touches the touch area, part of the light reflected by the first light reflecting elements 30a to 30c to the touch area is blocked. At this time, the sensing element 220 may be partially light. The M420769 is located at the relative position of the touch area, and then the external control device connected to the optical touch device 1 performs the manipulation. In summary, the optical touch device 1 of the present invention forms a chamfer at a corner of the substrate 10, and then the sensing assembly 20 including the light-emitting element 210 and the sensing element 220 is disposed on the chamfered side of the substrate 1 Therefore, the overall height of the optical touch device 1 is not increased by the sensing assembly 20. Therefore, the light-drying touch device 1 of the present invention is compact, light and thin, and is more suitable for the development of thin, small-sized electronic products. BRIEF DESCRIPTION OF THE DRAWINGS The first figure is a top view of a conventional optical touch device. The second figure is a cross-sectional view of the optical touch device of the first figure. The third figure is a schematic diagram of the use of the user's finger on the optical touch device of the second figure. The fourth figure is a top view of the optical touch device of the present invention. The fifth figure is a cross-sectional view of the optical touch device of the fourth figure. The sixth picture is an enlarged view of part A of the fifth figure. The seventh figure is a schematic diagram of the use of the user's finger on the optical touch device. [Main component symbol description] Optical touch device 1 Sensing component 20 Sensing element 220 Second light reflecting element 40 Substrate light emitting element First light reflecting element 10 210 3 〇a' 30b ' 30c