TWM375249U - Extended infrared-sourced multi-touch system and screen - Google Patents

Extended infrared-sourced multi-touch system and screen Download PDF

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Publication number
TWM375249U
TWM375249U TW98212169U TW98212169U TWM375249U TW M375249 U TWM375249 U TW M375249U TW 98212169 U TW98212169 U TW 98212169U TW 98212169 U TW98212169 U TW 98212169U TW M375249 U TWM375249 U TW M375249U
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TW
Taiwan
Prior art keywords
infrared
light source
touch
type multi
extended
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TW98212169U
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Chinese (zh)
Inventor
xi-min Wu
Jian-Guo Li
xiao-qiang Ma
Qing Guo
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Phihong Technology Co Ltd
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Application filed by Phihong Technology Co Ltd filed Critical Phihong Technology Co Ltd
Priority to TW98212169U priority Critical patent/TWM375249U/en
Publication of TWM375249U publication Critical patent/TWM375249U/en

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Abstract

This utility model provides an extended infrared-sourced multi-touch screen, comprising: a display module; at least an IR source, located at a position with a predetermined distance from the display module as the light source of the multi-touch screen; at least an optical apparatus, to be the beam expander optical apparatus of the IR source to form an IR flat-field line pattern; at least an IR receiver, to receive IR light emitted by the IR source and to receive IR light reflected after a touch; and a positioning module, to process coordinate positioning after the touch based on an image formed after the touch received by the IR receiver, and to bring the single-point touch or multipoint touch into action.

Description

JVD /DZ4y A « 五、新型說明: 【新型所屬之技術領域】 本創作係有關於觸控螢幕之領域,特別係有關於一種 可實現多點觸控定位之紅外線擴展光源式多點觸控系統及 螢幕。 【先如技術】 近年來,各式電子產品皆不斷朝向操作簡便、體積小 巧、以及大榮幕尺寸之方向邁進,尤其錢帶式電子產品 •對於體積及螢幕尺寸之要求更為嚴苛。因此,許多電子產 品都將觸控面板與液晶顯示面板整合,以省略鍵盤或操控 按鍵所需之空間,進而使螢幕可配置面積得以擴大。 目刖,觸控螢幕技術主要有電容式觸控螢幕 (capacitive touch screen)、電阻式(resistive)觸控螢幕、光 學式(optical)觸控螢幕等。其中,光學式觸控螢幕目前較 常見者為:(1)紅外線(infrared)陣列式觸控螢幕:在螢幕框 鲁之其中二邊排列不可見光紅外線發射器,亦即紅外線發光 二極體(Infrared Light Emitting Diodes),在其相對應之另 一邊D又置不可見光紅外線接收器,亦即紅外線感應器 Sensors,lnfrared Sensors)。此種紅外線式觸控螢幕較適合 應用於單點觸摸中,但對於多點(三點以上)觸摸定位則較 難以實現’而且需用到大量之紅外線發光二極體 (IRLED) ’解析度受到IRLED排列之限制,功率消耗較大, 易受外界干擾。(2)全反射式(FrUstrated T〇ui沁如― Reflection)觸控螢幕··將紅外線發光二極體㈨如㈣ 3 M375249JVD /DZ4y A « V. New Description: [New Technology Area] This creation is about the field of touch screens, especially for an infrared extended light source multi-touch system that can realize multi-touch positioning. And the screen. [Before technology] In recent years, all kinds of electronic products have been moving towards simple operation, small size, and large-size screen size, especially for money-based electronic products. • The requirements for volume and screen size are more stringent. Therefore, many electronic products integrate the touch panel with the liquid crystal display panel to omit the space required for the keyboard or the control buttons, thereby expanding the configurable area of the screen. It is seen that the touch screen technology mainly includes a capacitive touch screen, a resistive touch screen, and an optical touch screen. Among them, the optical touch screen is currently more common: (1) Infrared array touch screen: Infrared emitters are arranged on both sides of the screen frame, that is, infrared light-emitting diodes (Infrared Light Emitting Diodes), on the other side of the D, is also placed invisible infrared receivers, that is, infrared sensors Sensors, lnfrared Sensors). Such an infrared touch screen is more suitable for single-touch, but it is more difficult to achieve multi-point (three or more) touch positioning, and a large number of infrared light-emitting diodes (IRLEDs) are required. The limitation of IRLED arrangement is large, and the power consumption is large, and it is susceptible to external interference. (2) Total reflection type (FrUstrated T〇ui沁如 Reflection) touch screen ··Infrared light emitting diode (9) as (4) 3 M375249

Emitting Di〇des)之不可見光耦合至一平板有機玻璃,使不 可見光於其内進行全反射。此種全反射式觸控螢幕對於有 機玻璃螢幕表面之清潔要求非常高,實際使用中如果有灰 塵或油汙,就可能會破壞全反射,形成干擾信號。此外, 螢幕邊緣和中心區域之光強度差別亦較大,信號強弱报不 •均句,若欲應用於大尺寸之觸控螢幕,效果更差。 市面上之觸控面板種類雖不少,但能實現多點感應之 -裝置種類卻不多’使用紅外線感應方式以實現多點感應者 |更為少之又少。,然,紅外線模組具有效率高、壽命長、適 合用於大尺寸等優勢’故若能使紅外線式觸控面板得以進 行多點觸控(multi-touch)將為業界、使用者皆帶來便利。 鑒於紅外線式觸控螢幕之高應用性以及優勢,本創作 係提供一種紅外線多點觸控螢幕以應用於各式電子產品, 將可解決電容式、電阻式、及一般紅外線式觸控榮幕:一 些缺點,如成本高、精度低、或無法實現真正多點觸控之 •問題’又可避免全反射式觸控㈣對於螢幕要求非常嚴格 -之問題,進而提升觸控螢幕之可利用性及應用之廣度。 【新型内容】 /本創作< 目的在於提供一種紅外線擴展光源式多點觸 控系統,包含:至少一紅外線光源,作為該紅外線擴展光 源式多點觸控系統之光源;至少一光學裝置,作為該至少 一紅外線光源之擴束光學裝置(beam叫⑽化〇叫= apparatus)以形成一紅外線光束平面;至少一紅外線接收 器’用以接收該至少一紅外線光源所發射之紅外線及被反 4 M375249 射之紅外線;以及-定位模組,根據該至少一紅外線接收 續接收到被觸碰之圖像’對該觸碰之位置 現單點或多點之觸控。 實 本創作之另-目的在於提供一種可實現單點或多點觸 控之紅外線擴展光源式多點觸控勞幕,包含:示 ^ 少-紅外線光源,設置於該顯示器模組外表面:」 疋距離處’作為該紅外線擴展光源式多點觸控螢幕之光 =至V光學裝置’作為該至少—紅外線光源之擴束光 子波置以形成-紅外線光束平面;至少—紅外線接收器, 、接m v外線光源所發射之紅外線以及該觸控 螢幕被觸碰後所反射之紅外線;以及—定位模組,根據該 至少-紅外線接收n所純職觸碰後之圖像,對該觸碰 之位置進行定位,實現單點或多點之觸控。 士創作所提供之紅外線擴展光源式多點觸控系統,將 易於實現各種尺寸之觸控螢幕(約為3〜2GG英…,特別是 大尺寸之螢幕’此外,其優點亦包括成本低、觸摸精度 縫隙)等。 後述之詳細内容將更加彰顯本創作之其他特性及優 』而應理解者為本說明書中之詳細描述及特定實例 :為:創作之較佳貝施例’但僅為示例之用,對熟悉此領 '、技☆者在不脫離本創作之精神與範轉内所作之各種變 化與修改,將因為本說明書之詳細描述而清楚明白。 【實施方式】 為使上述之細節及本創作之其他優點與目的得以完全 5 M3 75249 理解,更言羊盡之敛述將藉由本創料特定之實施例加以闊 明。文中之明確描述僅為說明本創作之各式實施例。誠如 所述,本創作中所討論之特定修改並非用以限制本創作之 範疇。習知此技藝者將可明顯看出,在不脫離本創作之精 神與範圍内所作之各種均等之變化、改變、及修改,應理 解為包含於本創作之等同實施例。 本说明書中所使用之專業術語應以其最寬廣合理之方 -式解讀,即使其用於本創作中某些特定實施例之詳述。 φ 如圖一及圖二所示,本創作之較佳實施例係提供一種 可實現單點或多點感應觸控之紅外線擴展光源式多點觸控 系統100與顯示器模組5整合所形成之紅外線擴展光源式 多點觸控營幕,其中紅外線擴展光源式多點觸控系統100 包含.至少一紅外線(IR)光源3,作為紅外線擴展光源式多 點觸控系、統100之光源;至少一光學裝置(〇pticai appara㈣ 6作為至少一紅外線光源3之擴束光學裝置(beam 鲁· expander)以形成—紅外線光束平面4;至少一紅外線(ir) -接收益1 ’用以接收至少一紅外線光源3所發射之紅外線 及被手指2觸碰觸控螢幕後所反射之紅外線;以及一定位 模組(未圖示),根據紅外線接收器1所接收到被手指2觸 碰之圖像,對手指2觸碰之位置進行定位,實現單點或多 觸控’、中實現多點觸控(multi-touch)之感應定位方 法可為在IR接收器i接收到被手指2觸碰所形成之圖像 後疋位模,,且以多點觸控演算法(muiti_touch aigorithm)進 行計算’精確計算出各觸碰點之位置;在使用時,IR接收 6 M375249 器1可時時接收被觸碰後所形成之圖像,而定位模组以户 點觸控演算法時時計算出各觸碰點之位置,進而實現多:The invisible light of Emitting Di〇des is coupled to a flat plexiglass so that the invisible light is totally reflected therein. Such a fully reflective touch screen has a very high cleaning requirement for the surface of the organic glass screen. If there is dust or oil in actual use, it may damage the total reflection and form an interference signal. In addition, the difference in light intensity between the edge of the screen and the center area is also large, and the signal strength is not reported. If it is to be applied to a large-sized touch screen, the effect is even worse. There are many types of touch panels on the market, but they can achieve multi-point sensing - there are not many types of devices. The use of infrared sensing to achieve multi-point sensing is even rarer. However, the infrared module has the advantages of high efficiency, long life, and is suitable for large size. Therefore, if the infrared touch panel can be multi-touch, it will bring the industry and users. convenient. In view of the high applicability and advantages of the infrared touch screen, the creative system provides an infrared multi-touch screen for various electronic products, which will solve the capacitive, resistive, and general infrared touch screens: Some shortcomings, such as high cost, low precision, or the inability to achieve true multi-touch problems, can avoid the problem of full-reflective touch (4), which is very strict on the screen, and thus improve the usability of the touch screen. The breadth of application. [New Content] / The present invention aims to provide an infrared extended light source type multi-touch system comprising: at least one infrared light source as a light source of the infrared extended light source type multi-touch system; at least one optical device The at least one infrared light source expanding optical device (beam is called (10) squeezing = apparatus) to form an infrared beam plane; at least one infrared receiver 'for receiving the infrared light emitted by the at least one infrared light source and being inverted 4 M375249 And the positioning module receives a touched image according to the at least one infrared ray receiving a touch of a single point or multiple points on the position of the touch. Another object of the present invention is to provide an infrared extended light source multi-touch screen that can realize single or multi-touch, including: a small-infrared light source disposed on the outer surface of the display module:疋 at the distance 'as the infrared extended light source multi-touch screen light = to V optical device' as the at least - infrared source of the beam-forming photon wave to form - infrared beam plane; at least - infrared receiver, The infrared light emitted by the mv external light source and the infrared light reflected by the touch screen after being touched; and the positioning module, according to the at least-infrared receiving n the image after the pure touch, the position of the touch Positioning to achieve single or multi-touch. The infrared extended light source multi-touch system provided by Shishi Creation will be easy to implement touch screens of various sizes (about 3~2GG... especially large-size screens). In addition, its advantages include low cost and touch. Precision gap) and so on. The details described below will further highlight the other features and advantages of this creation. It should be understood that the detailed description and specific examples in this specification are: the preferred example of creation 'but only for the example, familiar with this The various changes and modifications made by the Leaders and Technicians without departing from the spirit and scope of this creation will be clear from the detailed description of this specification. [Embodiment] In order to make the above details and other advantages and purposes of the present invention fully understood, it will be explained by the specific embodiments of the present invention. The explicit description herein is merely illustrative of various embodiments of the present invention. As stated, the specific modifications discussed in this creation are not intended to limit the scope of this creation. It will be apparent to those skilled in the art that the various changes, modifications, and variations of the various embodiments of the present invention are intended to be included in the equivalent embodiments. The technical terms used in this specification should be interpreted in their broadest sense, even if they are used in the specific embodiments of the present invention. As shown in FIG. 1 and FIG. 2, the preferred embodiment of the present invention provides a combination of an infrared extended light source multi-touch system 100 capable of realizing single or multi-point inductive touch and a display module 5. Infrared extended light source multi-touch camp, wherein the infrared extended light source multi-touch system 100 includes at least one infrared (IR) light source 3, as an infrared extended light source multi-touch system, a light source of the system 100; An optical device (〇pticai appara(4) 6 is used as a beam expanding optical device (beam expander) of at least one infrared light source 3 to form an infrared beam plane 4; at least one infrared (ir)-receiving benefit 1' for receiving at least one infrared The infrared light emitted by the light source 3 and the infrared light reflected by the finger 2 after touching the touch screen; and a positioning module (not shown), according to the image received by the infrared receiver 1 and touched by the finger 2, The positioning method of the finger 2 touches the position to realize single-point or multi-touch', and the multi-touch sensing positioning method can be adopted when the IR receiver i receives the touch by the finger 2 After the image is clamped, the model is calculated by the multi-touch algorithm (muiti_touch aigorithm) to accurately calculate the position of each touch point. In use, the IR receiver 6 M375249 can receive the time from time to time. The image formed by the touch, and the positioning module calculates the position of each touch point by the household touch algorithm, and realizes more:

S 觸控(muiti-t〇uch)應用。其中,用以觸摸觸控螢幕之實物 並非限定為手指2,可包括身體各部位、觸控筆⑼ ㈣、筆狀物、適合詩觸控式面板之物、或任何能反射 紅外線之物體。 在一實施例中,紅外線擴展光源式多點觸控系統100 -可與各種顯示器模組5整合以形成—紅外線擴展光源式多 春點觸控螢幕,其中顯示器模組5可包括,但非限於,液晶 顯不器(LCD)模組(liquid crystal display则加⑷、透射式液 晶顯示器模組(transmissive LCD m〇dule)、反射式液晶顯示 器模組(reflective LCD module)、半穿透反射式液晶顯示器 模組(transflective/transreflective LCD module)、電漿顯示 器模組(plasma display module)、平面顯示器模組(flat panel display module)、電激發光顯示器模組(eiectr〇lumineseenee I display module)、有機電激發光顯示器模組(〇rganic -electroluminescence display module)、陰極射線管(crt)顯 示器模組(cathode-ray tube display module)、或功能類似 物。在一較佳實施例中,顯示器模組5係為液晶顯示器 (LCD)模組。再者,顯示器模組5可為各種尺寸或厚度之 螢幕,其中包括但非限於約3〜200英吋(inches)之螢幕。紅 外線擴展光源式多點觸控系統100可配合該尺寸或厚度之 螢幕而整合成紅外線擴展光源式多點觸控螢幕以實現單點 或多點之感應觸控。 7 在實她例中,紅外線擴展光源式多點觸控系統1 〇〇 中所包3之至少-紅外線光源3係設置於紅外線擴展光源 式多點觸控勞幕之角落或周邊之任一處或多處。其中,至 v、.工外線光源3可包括,但非限於,紅外線線光源⑴此 light source)、紅外線雷射(infrared laser)、紅外線雷射二 極體(infrared laser di〇de)、紅外雷射發光元件(㈣㈣ laser hght enntting咖職〇、紅外線發光二極體(inf⑽」 • light emitting diode)、紅外線發光元件、或其類似物。在 • -較佳實施例中’紅外線光源3係為紅外線發光二極體 (IRLED或IRED)或紅外線雷射二極體。 在一實施例中,如圖三所示,紅外線擴展光源式多點 觸控系統100中所使用之至少一光學裝置6,可用以作為 紅外線光源3之擴束器光學系統(beam expander 〇ptical system)以形成紅外線光束平面4。其中,光學裝置6可包 括但非限於’鮑威爾棱鏡(Powell Lenses)、柱面透鏡 (cylindrical lenses)、光學劃線稜鏡(Hne_generatingpdsms) 或透叙(lenses)、線生成(line generator)光學裝置、或其類 似物。舉例而言’任何可使雷射光束(如1 mm)通過其非球 面透鏡後而最佳化地劃成光密度均勻、穩定性高、直線性 佳的一條直線之光學裝置(如稜鏡或透鏡)。在一較佳實施 例中’上述光學裝置6係為鮑威爾稜鏡(Powell lenses)。由 於鮑威爾棱鏡(Powell lenses)之劃線模式可優於柱面透鏡 之劃線模式,可消除高斯光束(Gaussian beam)之中心熱點 及褪色邊緣分布。此外,可使用反光鏡或稜鏡進行一次或 8 M375249 多次轉折以於螢幕上形成一光束平面4。 在-較佳實施财,紅外線擴展光源式多點觸控系純 T中所使用之至少-紅外線接收器i可包括,但非限於, 電荷耦合元件(CCD,charge coupled device)、互補金氧半 導體(CMOS,complementary meul 〇χ* 叫、 或其功能類似物。根據紅外線光源3所用紅外線發光二極 '體或紅外線雷射發光元件所發射之波長,在紅外:接收器 1如電荷耦合元件(CCD)或互補金氧半導體(CM〇s)上配置 鲁相對應之遽色片(color filter)。當有手指2或任何能反射紅 外線之物體接近或觸碰螢幕時,會反射紅外線,紅外線接 收器卜例如CCD或CM0S,將接收被反射之紅外線,而 透過紅外線接收器i (如CCD或CM〇s)所接收到之圖像則 會經由紅外線擴展光源式多點觸控系統1〇〇中之定位模組 進行處理,定位模組中之控制器即可透過軟體計算出手指 2在螢幕上之(χ,γ)座標。因此,包含紅外線擴展光源式多 鲁點觸控系統1〇0之觸控螢幕不但可識別一個手指之(Χ,Υ) -座標,而且可同時識別多個手指之(χ,γ)座標,以俾實現單 點或多點之感應觸控。 在一實施例中,紅外線擴展光源式多點觸控系統1〇〇 中之紅外線接收器1與紅外線光源3設置於同一平面。在 另一實施例中,紅外線擴展光源式多點觸控系統1〇〇中之 紅外線接收器1與紅外線光源3設置於不同平面。 在一實施例中,紅外線擴展光源式多點觸控系統1〇〇 中之紅外線光源3所產生之波段為700〜125〇奈米(nm)之波 9 長。 在一較佳實施例中,本創作 觸控感應之紅外線擴展井^,供了一種可單點或多點 示器模組5;==?控營幕’包含··-顯 外矣“ 外線先源3,設置於顯示器模纽5 外表面之一定距離處(例如^丨❹公 … 光源式多點觸#罄IE 藿)作為该紅外線擴展 :夕點觸控螢幕之光源,·至少一光學裝置6,作為匕 卜:光:原3之擴束光學裝置以形成一紅外線光束平面:: 紅外線接收器卜用以接收紅外線光 ^卜線以及觸控螢幕被手指2觸碰後所反射之紅外線以S touch (muiti-t〇uch) application. The physical object for touching the touch screen is not limited to the finger 2, and may include various parts of the body, a stylus (9) (four), a pen, an object suitable for a poetic touch panel, or any object capable of reflecting infrared rays. In an embodiment, the infrared extended light source multi-touch system 100 can be integrated with various display modules 5 to form an infrared extended light source multi-spring touch screen, wherein the display module 5 can include, but is not limited to, , liquid crystal display (LCD) module (liquid crystal display plus (4), transmissive liquid crystal display module (transmissive LCD m〇dule), reflective liquid crystal display module (reflective LCD module), transflective liquid crystal Display module (transflective/transreflective LCD module), plasma display module (plasma display module), flat panel display module, electroluminescent display module (eiectr〇lumineseenee I display module), organic An illuminator-electroluminescence display module, a cathode-ray tube display module, or a functional analog. In a preferred embodiment, the display module 5 is It is a liquid crystal display (LCD) module. Furthermore, the display module 5 can be a screen of various sizes or thicknesses, wherein the package However, it is not limited to a screen of about 3 to 200 inches. The infrared extended light source multi-touch system 100 can be integrated into an infrared extended light source multi-touch screen to achieve a single point or with the screen of the size or thickness. Multi-point sensing touch. 7 In her example, the infrared extended light source multi-touch system 1 is at least 3 of the infrared light source 3 is set in the infrared extended light source multi-touch screen Any one or more of the corners or the periphery. Among them, the external light source 3 to v, . can include, but is not limited to, an infrared source (1), a light source, an infrared laser, an infrared laser diode Infrared laser di〇de, infrared laser illuminating element ((4) (4) laser hght enntting café, infrared light emitting diode (inf(10)" • light emitting diode), infrared illuminating element, or the like. In the preferred embodiment, the 'infrared light source 3 is an infrared light emitting diode (IRLED or IRED) or an infrared laser diode. In an embodiment, as shown in FIG. 3, the infrared extended light source type multi-touch At least one optical device used in the system 100 of 6, a light source can be used as the infrared beam expander optical system 3 of (beam expander 〇ptical system) to form an infrared beam plane 4. Wherein, the optical device 6 may include, but is not limited to, 'Powell Lenses, cylindrical lenses, Hne_generating pdsms or lenses, line generator optical devices, Or an analogue thereof. For example, 'any laser light (such as 1 mm) can be optimally drawn into a linear optical device (such as 稜鏡 or 光) with uniform optical density, high stability, and good linearity after passing through its aspherical lens. lens). In a preferred embodiment, the optical device 6 described above is a Powell lens. The Powell lenses' scribing mode is superior to the cylindrical lens scribing mode, eliminating the central hotspot and fading edge distribution of the Gaussian beam. In addition, a mirror or cymbal can be used once or 8 M375249 multiple turns to form a beam plane 4 on the screen. At least the infrared ray receiver i used in the infrared extended light source type multi-touch system pure T may include, but is not limited to, a charge coupled device (CCD), a complementary MOS semiconductor. (CMOS, complementary meul 〇χ*, or its functional analog. According to the wavelength emitted by the infrared illuminating diode or the infrared laser illuminating element used in the infrared light source 3, in the infrared: the receiver 1 such as a charge coupled element (CCD) Or a complementary color oxy-semiconductor (CM〇s) with a color filter corresponding to Lu. When there is a finger 2 or any object that can reflect infrared light approaches or touches the screen, it will reflect infrared light, infrared receiver For example, CCD or CM0S will receive the reflected infrared rays, and the image received through the infrared receiver i (such as CCD or CM〇s) will pass through the infrared extended light source type multi-touch system. The positioning module performs processing, and the controller in the positioning module can calculate the (χ, γ) coordinates of the finger 2 on the screen through the software. Therefore, the infrared extended light source type Doru The touch screen of the touch system 1〇0 not only recognizes one finger (Χ, Υ)-coordinate, but also recognizes the (χ, γ) coordinates of multiple fingers at the same time, so as to realize single-point or multi-point sensing touch In one embodiment, the infrared receiver 1 and the infrared light source 3 in the infrared extended light source type multi-touch system 1 are disposed on the same plane. In another embodiment, the infrared extended light source multi-touch The infrared receiver 1 and the infrared light source 3 in the system 1 are disposed on different planes. In an embodiment, the infrared light source 3 in the infrared extended light source type multi-touch system 1 has a wavelength band of 700 to 125. The nanometer (nm) wave 9 is long. In a preferred embodiment, the infrared sensing well of the touch sensing is provided for a single point or multi-point display module 5; ==? Curtain 'contains ···-external 矣 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外 外Point light source of the touch screen, at least one optical device 6, as a 匕: Light: the original beam expander optical device 3 to form an IR beam plane :: infrared reflected infrared light after ^ Bu for receiving lines and a finger touching the touch screen is an infrared receiver 2 to Bu

St模Γ未圖示”根據紅外線接收器1所接收到被 ^觸1之圖像’對手指2所觸碰之位置進行定位, :點或多點之觸控,其中實現多點觸控—1· 戶疋位方法可為在1R接收器1接收到被手指2觸碰 4之圖像後’定位模組以多點觸控演算法㈣出切^ algorithm)it行計算,精確計算出各觸碰點之位置;在使用 時^IR接收器1可時時接收被觸碰後所形成之圖像,而定 .位模組以多點觸控演算法時時計算出各觸碰點之位置,進 而實現多點觸控(multi_touch)應用。其中,用以觸摸觸控 螢幕之實物並非限定為手指2,可包括身體各部位、觸控 筆(stylus pen)、筆狀物、適合用於觸控式面板之物、或任 何能反射紅外線之物體。 在一實施例中,紅外線擴展光源式多點觸控螢幕令之 顯示器模組5可包括’但非限於,液晶顯示器(lcd)模組 (hqind Crystal dispiay m〇dule)、透射式液晶顯示器模組 M375249 (transmissive LCD module)、反射式液晶顯示器模組 (reflective LCD module)、半穿透反射式液晶顯示器模組 (transflective/transreflective LCD module)、電漿顯示器模 組(plasma display module)、平面顯示器模組(flat panel display module)、電激發光顯示器模組(electr〇luminescence display module)、有機電激發光顯示器模組(〇rgank -electroluminescence display module)、陰極射線管(CRT)顯 •示器模組(cathode-ray tube display m〇dule)、或功能類似 物。在一較佳實施例中,顯示器模組5係為液晶顯示器 (LCD)模組。再者,顯示器模組5可形成各種尺寸或厚度 之螢幕,其中包括但非限於約3〜2〇〇英吋(inches)之螢幕= 在實施例中,紅外線擴展光源式多點觸控螢幕中所 包含之至少-紅外線光源3係設置於紅外線擴展光源式多 點觸控螢幕之角落或周邊之任一處或多處。其中,至少一 紅外線光源3可包括’但非限於,紅外線線光源⑴η心 ’厂广::工外線雷射咖…—…卜線雷射二極體 • ΐη Γ t⑴㈣、紅外雷射發光元件(地-Μ咖 ' :ng emmrng chode)、紅外線發光 ^ 實施射,紅料光源物。在一較佳 或刪)或紅外線雷射二極體為、、工外線發光二極筆咖 在一實施例中,如圖三 觸控螢幕中所使用之至少 :、·、擴展光源式多點 線光源3之擴束器光學;=二可用以作為紅外 裝置以形成紅外線光束平面 M375249 4。其中,光學裝置6可包括,但非限於,鮑威爾棱鏡(p〇well lenses)、柱面透鏡(cylindrical丨⑽⑻、光學劃線 (line-generating)稜鏡或透鏡、線生成(line generat〇r)光學 裝置、或其類似物。舉例而言,任何可使雷射光束(如i mm) 通過其非球面透鏡後而最佳化地劃成光密度均勻、穩定性 南、直線性佳的一條直線之光學裝置(例如棱鏡或透鏡)。 -在一較佳實施例中,上述光學裝置係為鮑威爾稜鏡(p〇well -lenses)。由於鲍威爾稜鏡之劃線模式可優於柱面透鏡之劃 •線模式,可消除高斯光束(Gaussian beam)之中心熱點及褪 色邊緣分布。此外,可使用反光鏡或棱鏡進行一次或多次 轉折以於螢幕上形成一光束平面4。 在較佳實施例中,紅外線擴展光源式多點觸控螢幕 中所使用之至少一紅外線接收器丨可包括,但非限於,電 荷搞合元件(CCD,charge coupled device)、互補金氧半導 體(CMOS,complementary metal oxide semiconductor)、或 籲-其功能類似物。根據紅外線光源3所用紅外線發光二極體 或紅外線雷射發光元件所發射之波長,在紅外線接收器工 如電荷耦合元件(CCD)或互補金氧半導體(CM〇s)上配置 相對應之濾色片(c〇l〇rfilter)。當有手指2或任何能反射紅 外線之物體接近或觸碰螢幕時,會反射紅外線,紅外線接 收器1,例如CCD或CMOS,將接收被反射之紅外線,而 透過紅外線接收器i (如CCD或CM0S)所接收到之圖像則 會經由紅外線擴展光源式多點觸控螢幕中之定位模組進行 處理,定位模組中之控制器即可透過軟體計算出手指2在 12 avu /5249 螢幕上之(χ,γ)座標。因此,上述紅外線擴展光源式多點觸 控螢幕不但可識別一個手指之(χ,γ)座標,而且可同時識別 多個手指之(Χ,Υ)座標’以俾實現單點或多點之感應觸控。 在一實施例中,紅外線擴展光源式多點觸控螢幕中之 紅外線接收器1與紅外線光源3設置於同一平面。在另一 實施例中,紅外線擴展光源式多點觸控螢幕中之紅外線接 收器1與紅外線光源3設置於不同平面。 _ 在一實施例中,紅外線擴展光源式多點觸控螢幕中之 鲁紅外線光源3所產生之波段為·〜125()奈米(nm)之波長。 雖然本創作以特定實施例闊明如上,然而,對熟悉此 領域技術者而言,許多修改及變化在不偏離本創作之精神 及範嘴下亦可被實施。因此,本創作之範龍受限於後述 之「申請專利範圍」及其等同。 【圖式簡單說明】 附圖所示為本創作之較佳實施例,僅為例示之用,並 • ^用以限制本創作之範_,相同元件符號係對應至相同元 -仵· 點觸控系統施例之紅外線擴展光源式多 多點觸控營幕=板組整合所形成之紅外線擴展光源式 及所形成^ ^本創作—實施例中紅外線光源、光學裝置、 ^ 一彡、工外線光束平面之示意圖;以及 置後=光源經擴束光學裝 13 M375249 【主要元件符號說明】 1紅外線接收器 2手指 3紅外線光源 4紅外線光束平面 5顯示器模組 6光學裝置 100紅外線擴展光源式多點觸控系統 14The St module is not shown to "position the position touched by the finger 2 according to the image received by the infrared receiver 1": point or multi-touch, in which multi-touch is implemented - 1· The household clamp method can calculate the exact position of the positioning module after the 1R receiver 1 receives the image touched by the finger 2 and the multi-touch algorithm (4) The position of the touch point; when in use, the IR receiver 1 can receive the image formed after being touched, and the fixed position module calculates the position of each touch point in a multi-touch algorithm from time to time. In addition, a multi-touch application is realized, wherein the physical object for touching the touch screen is not limited to the finger 2, and may include various parts of the body, a stylus pen, a pen, and is suitable for touching. The object of the control panel, or any object capable of reflecting infrared rays. In an embodiment, the infrared extended light source multi-touch screen allows the display module 5 to include, but is not limited to, a liquid crystal display (LCD) module ( Hqind Crystal dispiay m〇dule), transmissive liquid crystal display module M375249 (tran Smissive LCD module), reflective LCD module, transflective/transreflective LCD module, plasma display module, flat panel display module Flat panel display module), electrluminescence display module, ganrgank-electroluminescence display module, cathode ray tube (CRT) display module (cathode) - In the preferred embodiment, the display module 5 is a liquid crystal display (LCD) module. Furthermore, the display module 5 can be formed in various sizes or thicknesses. The screen includes, but is not limited to, a screen of about 3 to 2 inches of inches. In the embodiment, at least the infrared light source 3 included in the infrared extended light source type multi-touch screen is disposed on the infrared extended light source. At least one or more of the corners or the periphery of the multi-touch screen, wherein at least one of the infrared light sources 3 may include 'but is not limited to red Line light source (1) η心' factory wide:: outside line laser coffee ... - ... line laser diode • ΐη Γ t (1) (four), infrared laser light-emitting elements (ground - Μ coffee ': ng emmrng chode), infrared light ^ Implement the shot, red material source. In a preferred embodiment, the infrared laser diode is an infrared light-emitting diode, and the external light-emitting diode is used in an embodiment, as shown in FIG. The beam expander optics of the line source 3; = 2 can be used as an infrared device to form the infrared beam plane M375249 4 . Wherein, the optical device 6 may include, but is not limited to, pwellwell lenses, cylindrical lenses (10) (8), line-generating 稜鏡 or lenses, line generation (line generat〇r) Optical device, or the like. For example, any laser beam (such as i mm) can be optimally drawn through aspherical lens to form a straight line with uniform optical density, stable south, and good linearity. Optical device (such as a prism or lens). - In a preferred embodiment, the optical device is a pwellwell-lenses. The Powell pattern is superior to the cylinder. The stroke mode of the lens eliminates the central hotspot and fading edge distribution of the Gaussian beam. In addition, one or more turns can be made using a mirror or prism to form a beam plane 4 on the screen. In an embodiment, at least one infrared receiver 使用 used in the infrared extended light source type multi-touch screen may include, but is not limited to, a charge coupled device (CCD), a complementary gold oxide half CMOS (complementary metal oxide semiconductor), or a functional analogue thereof. According to the wavelength emitted by the infrared light-emitting diode or the infrared laser light-emitting element used in the infrared light source 3, in an infrared receiver such as a charge coupled device (CCD) Or a complementary color MOS (CM〇s) is equipped with a corresponding color filter (c〇l〇rfilter). When a finger 2 or any object that reflects infrared rays approaches or touches the screen, it reflects infrared rays and infrared rays. The receiver 1, such as CCD or CMOS, will receive the reflected infrared rays, and the image received through the infrared receiver i (such as CCD or CMOS) will be extended by the infrared ray-type multi-touch screen. The group performs processing, and the controller in the positioning module can calculate the (χ, γ) coordinates of the finger 2 on the 12 avu /5249 screen through the software. Therefore, the above-mentioned infrared extended light source type multi-touch screen can recognize not only one Finger (χ, γ) coordinates, and can simultaneously identify the (Χ, Υ) coordinates of multiple fingers to achieve single-point or multi-point sensing touch. In an embodiment The infrared receiver 1 and the infrared light source 3 in the infrared extended light source type multi-touch screen are disposed on the same plane. In another embodiment, the infrared receiver 1 and the infrared light source 3 in the infrared extended light source type multi-touch screen are provided. Set in different planes. _ In one embodiment, the infrared light source 3 in the infrared extended light source type multi-touch screen generates a wavelength band of ~125 () nanometer (nm). Although this creation is specific The embodiments are as described above, however, many modifications and variations can be implemented without departing from the spirit and scope of the present invention. Therefore, Fan Long of this creation is subject to the “Scope of Patent Application” and its equivalents described later. BRIEF DESCRIPTION OF THE DRAWINGS The drawings show a preferred embodiment of the present invention, which is for illustrative purposes only, and is used to limit the scope of the creation. The same component symbol corresponds to the same element - 仵 · touch Infrared extended light source type multi-touch camping screen of the control system example = infrared extended light source type formed by the integration of the board group and the formation of the infrared light source, optical device, ^ 彡, the external beam Schematic diagram of the plane; and post-setting = light source through the beam-expanding optical device 13 M375249 [Main component symbol description] 1 infrared receiver 2 finger 3 infrared light source 4 infrared beam plane 5 display module 6 optical device 100 infrared extended light source multi-touch Control system 14

Claims (1)

六、申請專利範圍: I 一種紅外線擴展光源式多點觸控系統,包含: 至V —紅外線光源,作為該紅外線擴展光源式多點觸控 系統之光源; 至夕光學裝置,作為該至少一紅外線光源之擴束光學 裝置以形成一紅外線光束平面; 至少一紅外線接收器,用以接收該至少一紅外線光源所 發射之紅外線及被反射之紅外線;以及 一定位模組’根據該至少一 碰之圖像,對該觸碰之位置進行定位 紅外線接收器所接收到被觸 進行定位’實現單點或多點Sixth, the scope of application for patents: I An infrared extended light source multi-touch system, comprising: a V-infrared light source, as a light source of the infrared extended light source multi-touch system; an optical device as the at least one infrared a beam expanding optical device of the light source to form an infrared beam plane; at least one infrared receiver for receiving the infrared light emitted by the at least one infrared light source and the reflected infrared light; and a positioning module 'according to the at least one touch map For example, positioning the position of the touch, the infrared receiver receives the touched position, and realizes single or multiple points. 點觸控系統,其 :組與該紅外線擴展光源式多點觸 紅外線擴展光源式多點觸控螢幕。Point touch system, the group and the infrared extended light source type multi-touch infrared extended light source type multi-touch screen. 之任一處或多處。Anywhere or multiple. 點觸控系統,其 括約3〜200英 15 M375249 5.如請求項2所述之紅外線擴展光源式多點觸控系統, 中該顯示器模組包括液晶顯示器(LCD)模組(Uq crystal display module)、透射式液晶顯示哭 命镇級Point touch system, which includes about 3 to 200 inches and 15 M375249. 5. The infrared extended light source type multi-touch system according to claim 2, wherein the display module comprises a liquid crystal display (LCD) module (Uq crystal display) Module), transmissive liquid crystal display crying town level (transmissive LCD module)、反射式液晶顯示器模組 (reflective LCD module)、半穿透反射式液晶顯示器模 組(transflective/transreflective LCD module)、電聚 |員厂、 器模組(plasma display module)、平面顯示器模組(行以 panel display module)、電激發光顯示器模組 (electroluminescence display module)、有機電激發光蒸員 示 器 模、组(organic electroluminescence display module)、或陰極射線管(CRT)顯示器模組(cath〇de-ray tube display module)。 6.如請求項1所述之紅外線擴展光源式多點觸控系統,其 中該至少一紅外線光源包括紅外線線光源(line light source)、紅外線雷射(infrared laser)、紅外線雷射二極 體(infrared laser diode)、紅外雷射發光元件(infrare(j laser light emitting element)、紅外線發光二極體 (infrared light emitting diode)、紅外線發光元件、或其 類似物。 7 ·如請求項1所述之紅外線擴展光源式多點觸控系統,其 中該至少一光學裝置包括鲍威爾稜鏡(Powell lenses)、 柱面透鏡(cylindrical lenses)、光學劃線(line-generating) M375249 牙文叙或透鏡、線生成(line generator)光學裝置、或其類 似物。 8. 如明求項1所述之紅外線擴展光源式多點觸控系統,其 中°玄至少一紅外線接收器包括電荷耦合元件(CCD, charge coupled device)、互補金氧半導體(CM〇S, complementary metal oxide semiconcjuct〇r)、或其類似 物。 9. 如明求項1所述之紅外線擴展光源式多點觸控系統,其 中該至少一紅外線接收器更包含一濾色片。 1〇·如清求項1所述之紅外線擴展錢式多點觸控系統,其 中该至少一紅外線接收器與該至少一紅外線光源設置 於同一平面。 11·如清求項丨所述之紅外線擴展光源式多點觸控系統,其 中該至少一紅外線接收器與該至少一紅外線光源設置 於不同平面。 12.如凊求項】所述之紅外線擴展光源式多點觸控系統,其 中°亥至少一紅外線光源所產生之波段約為700〜1250奈 米(nm)之波長。 17 13.種紅外線擴展光源式多點觸控螢幕,包含: 一顯示器模組; 至乂系工外線光源,設置於該顯示器模組外表面之一定 離處作m外線擴展光源式多點觸#營幕之 源; ^光千裝置,作為該至少一紅外線光源之擴束光學 裝置以形成一紅外線光束平面; ϋ一紅外線接收器’用以接收該至少—紅外線光源所 、’外線以及该觸控螢幕被觸碰後所反射之紅外 線;以及 位拉組,根據該至少—紅外線接收器所接收到被觸 娅< 之圖像’對該觸碰之位置進行定位,實現單點或多 點之觸控。 豆Θ长員13所述之紅外線擴展光源式多點觸控螢幕, ^中該至少—紅外㈣關設置於社外線擴展光源 ;夕點觸控螢幕之角落或周邊之任一處或多處。 1 s长項13所述之紅外線擴展光源式多點觸控螢幕, ^ /、工外線擴展光源式多點觸控螢幕包括約3〜200 英吋(inches)之螢幕。 1月长項13所述之紅外線擴展光源式多點觸控螢幕, 、中^至乂紅外線光源包括紅外線線光源(line light M375249 source)、紅外線雷射(infrared laser)、紅外線雷射二極 體(infrared laser diode)、紅外雷射發光元件(infrared laser light emitting element)、紅外線發光二極體 (infrared light emitting diode)、紅外線發光元件、或其 類似物。 -17·如請求項13所述之紅外線擴展光源式多點觸控螢幕, '其中該至少一光學裝置包括鮑威爾稜鏡(Powell _ lenses)、柱面透鏡(cylindrical lenses)、光學劃線 (line-generating)棱鏡或透鏡、線生成(line generat〇r)光 學裝置、或其類似物。 18.女吻求項丨3所述之紅外線擴展光源式多點觸控螢幕, 其中該至少一紅外線接收器包括電荷耦合元件(CCD, charge coupled deWce)、互補金氧半導體(復⑽, • mPlementary metal 0Xlde semic〇nductor)、或其類似 - 物。 :长貝13所述之紅外線擴展光源式多點觸控營幕, 八中該至少一紅外線接收器更包含一濾色片。 直中^項13所述之紅外線擴展光源式多點觸控營幕, 置it紅外線接收器與該至少-紅外線光源設 19 M375249 21.如請求項13所述之紅外線擴展光源式多點觸控螢幕, 其中該至少一紅外線接收器與該至少一紅外線光源設 置於不同平面。 22.如請求項13所述之紅外線擴展光源式多點觸控螢幕, 其中該至少一紅外線光源所產生之波段約為700〜1250 奈米(nm)之波長。(transmissive LCD module), reflective LCD module, transflective/transreflective LCD module, electropolymer factory, plasma display module, Flat panel display module, electroluminescence display module, organic electroluminescence display module, or cathode ray tube (CRT) display Module (cath〇de-ray tube display module). 6. The infrared extended light source type multi-touch system according to claim 1, wherein the at least one infrared light source comprises an infrared light source, an infrared laser, and an infrared laser diode. Infrared laser diode, infrared laser emitting element, infrared light emitting diode, infrared light emitting diode, or the like. 7 - as described in claim 1 An infrared extended light source multi-touch system, wherein the at least one optical device comprises Powell lenses, cylindrical lenses, line-generating M375249 or a lens, A line generator optical device, or the like. 8. The infrared extended light source type multi-touch system according to claim 1, wherein the at least one infrared receiver comprises a charge coupled device (CCD, charge) Coupled device), complementary metal oxide semiconcjuct〇r, or the like. The infrared extended light source type multi-touch system of claim 1, wherein the at least one infrared ray receiver further comprises a color filter. 1 〇 · The infrared extended money multi-touch system according to claim 1 The at least one infrared ray receiver is disposed on the same plane as the at least one infrared ray source. 11 . The infrared extended light source type multi-touch system according to the item, wherein the at least one infrared ray receiver and the at least one infrared ray The light source is disposed on different planes. 12. The infrared extended light source type multi-touch system as described in claim 1 , wherein at least one infrared light source generates a wavelength of about 700 to 1250 nanometers (nm). 17 13. Infrared extended light source multi-touch screen, including: a display module; to the external light source of the system, set at a certain distance from the outer surface of the display module for m external line expansion light source type multi-touch # a source of the camp; a light-emitting device as a beam expanding optics of the at least one infrared source to form an infrared beam plane; an infrared receiver 'for receiving the Less-infrared light source, 'external line and infrared light reflected by the touch screen after being touched; and bit pull group, according to the at least-infrared receiver receiving the image of the touched < The position is positioned to achieve single or multi-point touch. The infrared extended light source type multi-touch screen described by the soybean meal clerk 13 , wherein the at least - infrared (four) off is set on the external line of the extended light source; at the corner or the periphery of the touch screen or any of the surrounding points. The infrared extended light source type multi-touch screen described in the 1 s long item 13 has a screen of about 3 to 200 inches in the external light source type multi-touch screen. The infrared extended light source type multi-touch screen described in the January 13th item, the medium to the infrared light source includes an infrared light source (line light M375249 source), an infrared laser (infrared laser), an infrared laser diode (infrared laser diode), an infrared laser light emitting element, an infrared light emitting diode, an infrared light emitting element, or the like. -17. The infrared extended light source type multi-touch screen of claim 13, wherein the at least one optical device comprises Powell _ lenses, cylindrical lenses, and optical lines (line) -generating) a prism or lens, a line generatric optical device, or the like. 18. The infrared extended light source type multi-touch screen according to Item 3, wherein the at least one infrared receiver comprises a charge coupled device (CCD), a complementary gold oxide semiconductor (Fluor (10), • mPlementary Metal 0Xlde semic〇nductor), or the like - matter. : The infrared extended light source type multi-touch camping screen described in Changbai 13, wherein the at least one infrared receiver further comprises a color filter. The infrared-expanding light source type multi-touch camping screen described in Item 13 is set, and the infrared ray receiver and the at least-infrared light source are provided. 19 M375249 21. The infrared extended light source type multi-touch described in claim 13 a screen, wherein the at least one infrared receiver and the at least one infrared light source are disposed on different planes. 22. The infrared extended light source type multi-touch screen of claim 13, wherein the at least one infrared light source generates a wavelength band of about 700 to 1250 nanometers (nm). 2020
TW98212169U 2009-07-31 2009-07-31 Extended infrared-sourced multi-touch system and screen TWM375249U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102207661A (en) * 2010-03-29 2011-10-05 影来腾贸易(上海)有限公司 Projection type light-uniforming system for touch screen
TWI407350B (en) * 2010-03-17 2013-09-01 Hon Hai Prec Ind Co Ltd Touch electronic device and controlling method thereof
TWI413926B (en) * 2010-08-18 2013-11-01 Briview Corp Light guide bar and optical touch panel with the light guide bar

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI407350B (en) * 2010-03-17 2013-09-01 Hon Hai Prec Ind Co Ltd Touch electronic device and controlling method thereof
CN102207661A (en) * 2010-03-29 2011-10-05 影来腾贸易(上海)有限公司 Projection type light-uniforming system for touch screen
TWI413926B (en) * 2010-08-18 2013-11-01 Briview Corp Light guide bar and optical touch panel with the light guide bar

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