OPTICAL TOUCH PANEL

PURPOSE: An optical touch panel is provided to shield disturbance light of a visible area by an organic coloring layer, thereby using the optical touch panel in an environment with high illumination of disturbance light. CONSTITUTION: A light emission element(12) emits light of a near-infrared area....

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Bibliographic Details
Main Authors SHIMIZU YUSUKE, TOSHIKAWA SAKURA
Format Patent
LanguageEnglish
Published 17.02.2010
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:PURPOSE: An optical touch panel is provided to shield disturbance light of a visible area by an organic coloring layer, thereby using the optical touch panel in an environment with high illumination of disturbance light. CONSTITUTION: A light emission element(12) emits light of a near-infrared area. A light receiving element(13) receives light of the near-infrared area and the visible area. A light emission-side optical waveguide(14) is combined with the light emission element. A light-receiving side optical waveguide(15) is combined with the light receiving element.
Bibliography:Application Number: KR20090046973