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    • 2. 发明授权
    • Tunable capacitor using electrowetting phenomenon
    • 可调电容器采用电润湿现象
    • US08045318B2
    • 2011-10-25
    • US12652948
    • 2010-01-06
    • Seung-tae ChoiJi-hyuk LimWoon-bae KimEun-seok ParkJeong-yub Lee
    • Seung-tae ChoiJi-hyuk LimWoon-bae KimEun-seok ParkJeong-yub Lee
    • H01G5/00
    • H01G5/0132
    • A tunable capacitor using an electrowetting phenomenon includes a first electrode; a second electrode which is spaced apart from the first electrode and faces the first electrode; a fluidic channel which is disposed between the first electrode and the second electrode; a first insulating layer which is disposed between the first electrode and the fluidic channel; and a conductive fluid which is disposed in the fluidic channel and moves along the fluidic channel when a direct current (DC) potential difference occurs between the first and second electrodes. Accordingly, it is possible to fabricate the tunable capacitor with the simplified fabrication process, good reliability and durability, and no restriction on the tuning range.
    • 使用电润湿现象的可调谐电容器包括第一电极; 第二电极,与第一电极间隔开并面向第一电极; 设置在第一电极和第二电极之间的流体通道; 布置在第一电极和流体通道之间的第一绝缘层; 以及当在第一和第二电极之间发生直流(DC)电位差时,布置在流体通道中并沿着流体通道移动的导电流体。 因此,可以以简化的制造工艺,良好的可靠性和耐久性制造可调电容器,并且对调谐范围没有限制。
    • 6. 发明授权
    • Varifocal lens
    • 变焦镜头
    • US08300317B2
    • 2012-10-30
    • US12542418
    • 2009-08-17
    • Jeong-yub LeeSeung-wan LeeWoon-bae KimSeung-tae Choi
    • Jeong-yub LeeSeung-wan LeeWoon-bae KimSeung-tae Choi
    • G02B1/06G02B15/14
    • G02B3/14G02B1/06G02B13/001G02B13/0075
    • Varifocal lens for camera module incorporated in wireless mobile communication device is provided. The varifocal lens includes: a membrane; a frame which is fixed to the membrane and has a receiving hole formed in the middle; a transparent substrate which is fixed to the frame to seal optical fluid received in the receiving hole; one or more actuators to change a curvature of a fluid lens part by bending the circumference of the fluid lens part formed around a central portion of the receiving hole; and a restriction lessening member which is adapted to lessen a restrictive force of an edge of the fluid lens part, is made of a transparent material, has with an area smaller than the fluid lens part to correspond to an inner side of the fluid lens part except the edge of the fluid lens part, and has a larger Young's modulus than the membrane.
    • 提供了一种结合在无线移动通信装置中的相机模块的变焦透镜。 变焦透镜包括:膜; 固定在膜上并具有形成在中间的容纳孔的框架; 透明基板,其被固定到所述框架以密封容纳在所述接收孔中的光学流体; 一个或多个致动器,通过弯曲围绕接收孔的中心部分形成的流体透镜部分的周边来改变流体透镜部分的曲率; 以及适于减小流体透镜部分的边缘的限制力的限制减轻部件由透明材料制成,其面积小于流体透镜部分,以对应于流体透镜部分的内侧 除了流体透镜部分的边缘,并且具有比膜更大的杨氏模量。
    • 9. 发明授权
    • Varifocal lens
    • 变焦镜头
    • US07986466B2
    • 2011-07-26
    • US12107295
    • 2008-04-22
    • Seung-wan LeeJeong-yub LeeWoon-bae KimSeung-tae Choi
    • Seung-wan LeeJeong-yub LeeWoon-bae KimSeung-tae Choi
    • G02B1/06
    • G02B3/14
    • A varifocal lens includes a hollow case having first and second sidewalls facing each other, the first and second sidewalls through which a light passes; at least one light transmission membrane partitioning an inner space of the case into at least two liquid chambers, the at least one light transmission membrane through which a light passes; at least two liquids filled in the at least two liquid chambers; at least one first operating hole formed at the first sidewall; a first actuator disposed to cover the at least one first operating hole and to pressurize the liquid contacting the first sidewall; and a controller configured to control the first actuator to change a focal distance of an optical lens consisting of the first and second sidewalls, the at least two liquids, and the at least one light transmission membrane of the case.
    • 变焦透镜包括具有彼此面对的第一和第二侧壁的中空壳体,光通过的第一和第二侧壁; 至少一个透光膜,其将所述壳体的内部空间分成至少两个液体室,所述至少一个透光膜通过所述光透过膜; 至少两个液体填充在所述至少两个液体室中; 形成在第一侧壁处的至少一个第一操作孔; 第一致动器,设置成覆盖所述至少一个第一操作孔并且加压接触所述第一侧壁的液体; 以及控制器,被配置为控制第一致动器以改变由第一和第二侧壁,至少两个液体和壳体的至少一个透光膜组成的光学透镜的焦距。
    • 10. 发明申请
    • VARIFOCAL LENS
    • VARIFOCAL镜头
    • US20100165475A1
    • 2010-07-01
    • US12542418
    • 2009-08-17
    • Jeong-yub LeeSeung-wan LeeWoon-bae KimSeung-tae Choi
    • Jeong-yub LeeSeung-wan LeeWoon-bae KimSeung-tae Choi
    • G02B3/14G02B1/06
    • G02B3/14G02B1/06G02B13/001G02B13/0075
    • Varifocal lens for camera module incorporated in wireless mobile communication device is provided. The varifocal lens includes: a membrane; a frame which is fixed to the membrane and has a receiving hole formed in the middle; a transparent substrate which is fixed to the frame to seal optical fluid received in the receiving hole; one or more actuators to change a curvature of a fluid lens part by bending the circumference of the fluid lens part formed around a central portion of the receiving hole; and a restriction lessening member which is adapted to lessen a restrictive force of an edge of the fluid lens part, is made of a transparent material, has with an area smaller than the fluid lens part to correspond to an inner side of the fluid lens part except the edge of the fluid lens part, and has a larger Young's modulus than the membrane.
    • 提供了一种结合在无线移动通信装置中的相机模块的变焦透镜。 变焦透镜包括:膜; 固定在膜上并具有形成在中间的容纳孔的框架; 透明基板,其被固定到所述框架以密封容纳在所述接收孔中的光学流体; 一个或多个致动器,通过弯曲围绕接收孔的中心部分形成的流体透镜部分的周边来改变流体透镜部分的曲率; 以及适于减小流体透镜部分的边缘的限制力的限制减轻部件由透明材料制成,其面积小于流体透镜部分,以对应于流体透镜部分的内侧 除了流体透镜部分的边缘,并且具有比膜更大的杨氏模量。