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1.发明授权Shape-variable optical element and optical read/write device including the same 有权形状可变光学元件和包括其的光学读/写装置公开(公告)号：US09091810B2
公开(公告)日：2015-07-28
申请号：US14327030
申请日：2014-07-09
发明人： Sae-Kwang Nam , Ki-Uk Kyung , Sung-Ryul Yun , Sun-Tak Park , Bong-Je Park
IPC分类号： G11B7/00 , G02B3/14 , G11B7/1372
CPC分类号： G02B3/14 , G11B7/1372 , G11B7/1374
摘要： An optical read/write device in accordance with an embodiment of the present invention includes a lens portion configured to irradiate light emitted from a light source to an optical recording medium, and the lens portion includes: a flexible shape-variable lens; and an electrode portion provided on the shape-variable lens. The shape of the shape-variable lens can be changed when voltage is applied to the electrode.
摘要翻译： 根据本发明的实施例的光学读/写装置包括：透镜部分，被配置为将从光源发射的光照射到光学记录介质，并且透镜部分包括：柔性形状可变透镜; 以及设置在形状可变透镜上的电极部。 当对电极施加电压时，可以改变形状可变透镜的形状。
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公开(公告)号：US09885874B2
公开(公告)日：2018-02-06
申请号：US14246485
申请日：2014-04-07
发明人： Sung-Ryul Yun , Ki-Uk Kyung , Sun-Tak Park , Bong-Je Park , Sae-Kwang Nam
CPC分类号： G02B27/2214 , G02B3/0043 , G02B3/005 , G02B26/0875 , Y10T29/49155
摘要： A microlens array and a method for fabricating thereof are provided. The microlens array of the present invention comprises a lens structure part formed by bistable dielectric polymer thin film; first and second electrode parts each formed on the upper surface and the bottom surface of the lens structure part to apply voltage for shape changes of the lens structure part; a circuit part applying heat to the dielectric polymer thin film to change the property of the dielectric polymer thin film to be soft; and a base part formed on the bottom surface of the second electrode in predetermined intervals. The method further comprises a hydraulic part to apply predetermined voltage to the bottom surface of the lens structure part. The microlens array is thus able to change optical properties by deform the shape of a transparent dielectric polymer thin film having bistablity to various sizes of lens shapes by the purposes.
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公开(公告)号：US09746587B2
公开(公告)日：2017-08-29
申请号：US14316030
申请日：2014-06-26
发明人： Ki-Uk Kyung , Sung-Ryul Yun , Sun-Tak Park , Bong-Je Park , Sae-Kwang Nam
CPC分类号： G02B3/0081 , G02B3/14
摘要： Disclosed herein is a shape-variable optical element including: a shape-variable lens; a first electrode unit configured to be connected to the shape-variable lens; a second electrode unit configured to face the first electrode unit; and a deformation part configured to be disposed between the first electrode unit and the second electrode unit.
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公开(公告)号：US09638928B2
公开(公告)日：2017-05-02
申请号：US14168476
申请日：2014-01-30
发明人： Sun-Tak Park , Bong-Je Park , Ki-Uk Kyung , Sung-Ryul Yun , Sae-Kwang Nam
CPC分类号： G02B27/48 , G02B3/0006 , G02B5/021 , G02B5/0278 , G02B26/06 , G02F1/0128
摘要： An active diffuser for reducing a speckle in accordance with an embodiment of the present invention includes: an electroactive polymer film having at least one or more scattering patterns; a first transparent electrode coated on one surface of the electroactive polymer film; and a second transparent electrode coated on the other surface of the electroactive polymer film, and a shape of the scattering pattern of the electroactive polymer film is varied by voltage applied through the first transparent electrode and the second transparent electrode.
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