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    • 2. 发明授权
    • Apparatus and method for calculating vibration displacement of vibrator
    • 用于计算振动器振动位移的装置和方法
    • US07036377B2
    • 2006-05-02
    • US10895284
    • 2004-07-21
    • Hyun Ho OhSeong A Kim
    • Hyun Ho OhSeong A Kim
    • G01H11/00
    • G01H9/00
    • An apparatus for calculating vibration displacement of a vibrator according to one aspect of the present invention includes a mirror attached to a predetermined portion of a vibrator; a light emitting unit installed at a predetermined position spaced apart from the mirror and irradiating light on the mirror; a light receiving unit installed side by side with the light emitting unit, receiving light reflected by the mirror and generating an output voltage corresponding to the amount of the receiving light; and a vibration displacement calculating unit for calculating vibration displacement of the vibrator based on the generated output voltage.
    • 根据本发明的一个方面的用于计算振动器的振动位移的装置包括附接到振动器的预定部分的反射镜; 发光单元,其安装在与所述反射镜间隔开的预定位置处,并且将光照射在所述反射镜上; 光接收单元,与所述发光单元并排安装,接收由所述反射镜反射的光并产生与所述接收光量相对应的输出电压; 以及振动位移计算单元,用于基于所产生的输出电压来计算振动器的振动位移。
    • 3. 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。