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    • 4. 发明授权
    • Light guide plate for surface light-emitting device and method of manufacturing the same
    • 表面发光装置用导光板及其制造方法
    • US07356235B2
    • 2008-04-08
    • US11159206
    • 2005-06-23
    • Chul Chae ChoiMin Soo NohHyun Ho OhChan Ho Park
    • Chul Chae ChoiMin Soo NohHyun Ho OhChan Ho Park
    • G02B6/10
    • G02B6/0038G02B6/005G02B6/0065
    • A light guide plate for a surface light-emitting device and a method of manufacturing the same are disclosed wherein the light guide plate is constructed in the form of an optical waveguide including an upper cladding film, core films formed with V-cut grooves, and a lower cladding film, so that since the upper and lower cladding films with a relatively low refractive index are respectively located on upper and lower surfaces of the core films, external foreign substances cannot penetrate into the core films, and the core films are not brought into contact with other components, whereby optical transmission properties are not changed and brightness can be also enhanced, and since the V-cut grooves are formed or both the V-cut grooves and optical waveguides are formed at the same time by means of a simple hot embossing process, the manufacturing costs can be saved.
    • 公开了一种用于表面发光器件的导光板及其制造方法,其中导光板被构造为包括上包层膜的光波导,形成有V切槽的芯膜,以及 下包层膜,因为折射率相对较低的上包层和下包层膜分别位于芯膜的上表面和下表面上,外部异物不能渗透到芯膜中,并且芯膜不被带入 与其他部件接触,由此光传输性能不变,并且还可以提高亮度,并且由于形成V切槽,或者通过简单的方式同时形成V形槽和光波导 热压花工艺,可节省制造成本。