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29 条记录 (耗时 0.023 秒)

    Optical modulator
    12.
    发明授权
    Optical modulator 有权
    光调制器

    公开(公告)号：US08492863B2

    公开(公告)日：2013-07-23

    申请号：US12938064

    申请日：2010-11-02

    申请人： Yong-chul Cho ,  Yong-tak Lee ,  Yong-hwa Park ,  Byung-hoon Na ,  Kwang-mo Park ,  Chang-soo Park

    发明人： Yong-chul Cho ,  Yong-tak Lee ,  Yong-hwa Park ,  Byung-hoon Na ,  Kwang-mo Park ,  Chang-soo Park

    IPC分类号： H01L27/14 ,  G02F1/07

    CPC分类号： G02F1/017 ,  B82Y20/00 ,  G02F1/218 ,  G02F2001/0155 ,  G02F2201/307 ,  G02F2203/12

    摘要： Optical modulator having wide bandwidth based on Fabry-Perot resonant reflection is disclosed. The optical modulator includes: a bottom Distributed Bragg Reflector (DBR) layer; a top DBR layer including at least one layer, and a modified layer; and an active layer disposed between bottom and top DBR layers, wherein the at least one layer includes at least one pair of a first refractive index layer having a first refractive index and a second refractive index layer having a second refractive index, the modified layer includes at least one pair of a third refractive index layer having a third refractive index and a fourth refractive index layer having a fourth refractive index, the third and the fourth refractive indexes being different, and at least one of the third and the fourth refractive index layers has a second optical thickness that is not λ/4 or that is not an odd multiple thereof.

    摘要翻译： 公开了基于法布里 - 珀罗共振反射的具有宽带宽的光调制器。 光调制器包括：底部分布布拉格反射器（DBR）层; 包括至少一个层的顶部DBR层和修饰层; 以及设置在底部和顶部DBR层之间的有源层，其中所述至少一层包括至少一对具有第一折射率的第一折射率层和具有第二折射率的第二折射率层，所述改性层包括 至少一对具有第三折射率的第三折射率层和具有第四折射率的第四折射率层，第三和第四折射率不同，并且第三和第四折射率层中的至少一个 具有不是λ/ 4的第二光学厚度或不是其奇数倍。

    Optical modulator with pixelization patterns
    13.
    发明授权
    Optical modulator with pixelization patterns 有权
    具有像素化模式的光调制器

    公开(公告)号：US08436370B2

    公开(公告)日：2013-05-07

    申请号：US12644564

    申请日：2009-12-22

    申请人： Yong-hwa Park ,  Yong-chul Cho ,  Soo-haeng Cho

    发明人： Yong-hwa Park ,  Yong-chul Cho ,  Soo-haeng Cho

    IPC分类号： H01L31/14

    CPC分类号： H01L31/14 ,  H01L31/145 ,  H01L31/153

    摘要： Provided is an optical modulator having pixelization patterns. The optical modulator includes an optical-electric (O-E) conversion element converting input optical images to current signals using the photoelectric effect, and an electric-optical (E-O) conversion element that emits light using the current signals transferred from the O-E conversion element. Trenches are formed from at least a surface of the optical modulator to a predetermined depth in the optical modulator so as to block or reduce electrical interference between pixels when the electric signals are transferred from the O-E conversion element to the E-O conversion element.

    摘要翻译： 提供了具有像素化图案的光调制器。 光调制器包括使用光电效应将输入光学图像转换为电流信号的光电（O-E）转换元件和使用从O-E转换元件传送的电流信号发光的电光（E-O）转换元件。 从光调制器的至少一个表面形成沟槽至光调制器中的预定深度，以便当电信号从O-E转换元件传送到E-O转换元件时阻塞或减少像素之间的电干扰。

    High-speed optical modulator and method of modulating light by using the same
    14.
    发明授权
    High-speed optical modulator and method of modulating light by using the same 有权
    高速光调制器及其使用方法

    公开(公告)号：US08953238B2

    公开(公告)日：2015-02-10

    申请号：US12720706

    申请日：2010-03-10

    申请人： Ji-deog Kim ,  Yong-hwa Park ,  Yong-jun Park ,  Chang-kwon Hwangbo ,  Jang-hoon Lee ,  Jin-joo Kim

    发明人： Ji-deog Kim ,  Yong-hwa Park ,  Yong-jun Park ,  Chang-kwon Hwangbo ,  Jang-hoon Lee ,  Jin-joo Kim

    IPC分类号： G02F1/03 ,  G02F1/21

    CPC分类号： G02F1/21 ,  G02F2001/213

    摘要： Provided are a high-speed optical modulator and a method of modulating light by using the same. The optical modulator includes first and second resonance cavities that are sequentially stacked on a transparent substrate, wherein the first and second resonance cavities each include an electric-optical layer. According to the method, first and second voltages having different sizes are simultaneously applied respectively to the first and second resonance cavities, and then for the other configuration of the modulator mutually interchanged voltages are applied.

    摘要翻译： 提供了一种高速光学调制器和通过使用它们来调制光的方法。 光调制器包括依次层叠在透明基板上的第一和第二谐振腔，其中第一和第二谐振腔各自包括电光层。 根据该方法，具有不同尺寸的第一和第二电压分别同时施加到第一和第二共振腔，然后对于调制器的另一配置相互互换的电压被施加。

    MEMS device
    16.
    发明申请
    MEMS device 审中-公开
    MEMS器件

    公开(公告)号：US20070296532A1

    公开(公告)日：2007-12-27

    申请号：US11709854

    申请日：2007-02-23

    申请人： Young-chul Ko ,  Jin-woo Cho ,  Yong-hwa Park ,  Hee-moon Jeong

    发明人： Young-chul Ko ,  Jin-woo Cho ,  Yong-hwa Park ,  Hee-moon Jeong

    IPC分类号： H01F7/00

    CPC分类号： B81B3/0062 ,  B81B2201/042 ,  B81B2203/058 ,  G02B26/085 ,  H02K33/18

    摘要： A two-axis micro-electro mechanical system (MEMS) device includes a moving plate, a stage, a driving coil, a pair of magnets, and a yoke magnetic body. The moving plate is supported coaxially on a first axis to move pivotably about the first axis. The stage is supported coaxially on the second axis in an inner region of the moving plate. The driving coil includes a coaxial coil portion arranged along the first axis of the driving plate and divided at a center by the stage, and a first connecting coil portion and a second connecting coil portion. The yoke magnetic body is disposed between the pair of magnets in a region above or below the magnets and is formed of a material capable of being magnetized by the magnets in order to suddenly change a magnetic flux density according to a distance between the pair of magnets.

    摘要翻译： 双轴微电子机械系统（MEMS）装置包括移动板，台，驱动线圈，一对磁体和轭磁体。 移动板同轴地支撑在第一轴线上，以围绕第一轴线可枢转地运动。 舞台在移动板的内部区域中同轴地支撑在第二轴上。 驱动线圈包括沿着驱动板的第一轴线布置并在台架的中心被分割的同轴线圈部分，以及第一连接线圈部分和第二连接线圈部分。 轭磁体设置在磁体上方或下方的区域中的一对磁体之间，并且由能够被磁体磁化的材料形成，以便根据一对磁体之间的距离突然改变磁通密度 。

    Optical image shutter
    17.
    发明授权
    Optical image shutter 有权
    光学图像快门

    公开(公告)号：US08599464B2

    公开(公告)日：2013-12-03

    申请号：US12689603

    申请日：2010-01-19

    申请人： Yong-hwa Park

    发明人： Yong-hwa Park

    IPC分类号： G02F1/03 ,  G02B1/10

    CPC分类号： G02F1/0311 ,  G03B9/08 ,  G03B11/00

    摘要： An optical image shutter is disclosed. The optical image shutter includes an optical filter having a fixed refractive index and an optical filter having a variable refractive index. The optical filter having a fixed refractive index may include two layers having different refractive indexes and stacked alternately at least once. Alternatively, the optical filter having a variable refractive index may include at least one refractive index variable layer, and two layers having different refractive indexes and stacked alternately at least once. The optical image shutter may further include a transparent electrode for applying an electric field to the at least one refractive index variable layer.

    摘要翻译： 公开了一种光学图像快门。 光学图像快门包括具有固定折射率的滤光器和具有可变折射率的滤光器。 具有固定折射率的滤光器可以包括具有不同折射率并且交替堆叠至少一次的两个层。 或者，具有可变折射率的滤光器可以包括至少一个折射率可变层和两个具有不同折射率的层并交替堆叠至少一次。 光学图像快门还可以包括用于向至少一个折射率可变层施加电场的透明电极。

    MEMS DEVICE AND FABRICATION METHOD OF THE SAME
    18.
    发明申请
    MEMS DEVICE AND FABRICATION METHOD OF THE SAME 有权
    MEMS器件及其制造方法

    公开(公告)号：US20100304517A1

    公开(公告)日：2010-12-02

    申请号：US12856308

    申请日：2010-08-13

    申请人： Hee-moon Jeong ,  Jin-woo Cho ,  Yong-hwa Park ,  Jun-o Kim ,  Seok-mo Chang

    发明人： Hee-moon Jeong ,  Jin-woo Cho ,  Yong-hwa Park ,  Jun-o Kim ,  Seok-mo Chang

    IPC分类号： H01L21/00

    CPC分类号： B81B3/0051 ,  B81B2201/042 ,  B81B2203/058 ,  G02B26/085 ,  G02B26/101 ,  G02B26/105

    摘要： A microelectromechanical systems (MEMS) device includes a frame, an actuator formed on the same layer as the frame and connected to the frame to be capable of performing a relative motion with respect to the frame, and at least one stopper restricting a displacement of the actuator in a direction along the height of the actuator. The MEMS device is fabricated by bonding a second substrate to a first substrate, forming the frame and the actuator by partially removing the first substrate, and forming the at least one stopper by partially removing the second substrate.

    摘要翻译： 微机电系统（MEMS）装置包括框架，致动器，其形成在与框架相同的层上并连接到框架以能够相对于框架执行相对运动;以及至少一个限制器 致动器沿着致动器高度的方向。 MEMS器件通过将第二衬底接合到第一衬底，通过部分去除第一衬底而形成框架和致动器，并且通过部分去除第二衬底来形成至少一个止动器来制造。

    Light modulators and optical apparatuses including the same
    19.
    发明授权
    Light modulators and optical apparatuses including the same 有权
    光调制器和包括其的光学装置

    公开(公告)号：US08711463B2

    公开(公告)日：2014-04-29

    申请号：US13337956

    申请日：2011-12-27

    申请人： Seung-hoon Han ,  Yong-hwa Park ,  Chang-gyun Shin ,  Hong-seok Lee

    发明人： Seung-hoon Han ,  Yong-hwa Park ,  Chang-gyun Shin ,  Hong-seok Lee

    IPC分类号： G02F1/01

    CPC分类号： G02F1/0102 ,  B82Y20/00 ,  G02B5/008 ,  G02F1/01 ,  G02F1/19 ,  G02F2203/10

    摘要： Provided are examples of light modulators and optical apparatuses that may include the light modulators. A light modulator may include a plasmonic nano-antenna and an element for changing plasmon resonance characteristics of the plasmonic nano-antenna. The plasmon resonance characteristics of the plasmonic nano-antenna may be changed due to a change in refractive index of the element, and thus light may be modulated.

    摘要翻译： 提供可以包括光调制器的光调制器和光学装置的示例。 光调制器可以包括等离子体激元纳米天线和用于改变等离子体激元纳米天线的等离子体共振特性的元件。 等离子体激元纳米天线的等离子体共振特性可能由于元件的折射率的变化而改变，因此可以调制光。

    High speed optical shutter, method of operating the same and apparatus including the same
    20.
    发明授权
    High speed optical shutter, method of operating the same and apparatus including the same 有权
    高速光学快门，其操作方法和包括该快门的装置

    公开(公告)号：US08619354B2

    公开(公告)日：2013-12-31

    申请号：US12726162

    申请日：2010-03-17

    申请人： Yong-hwa Park ,  Alexander Gorelov ,  Stanislav Shtykov ,  Alexander Shirakov

    发明人： Yong-hwa Park ,  Alexander Gorelov ,  Stanislav Shtykov ,  Alexander Shirakov

    IPC分类号： G02F1/29

    CPC分类号： G02F1/0305 ,  G02F1/0311 ,  G02F2203/023

    摘要： A high speed optical shutter, a method of operating the high speed optical shutter, and an optical apparatus including the high speed optical shutter. The optical shutter includes a transparent electro-optical medium in an active solid state having a total internal reflection surface on which an angle of total internal reflection is changed by an external action. The transparent electro-optical medium may be a prism or a prism array whose angle of total internal reflection is changed by the external action. An incident light path changing unit may be further arranged in front of the transparent electro-optical medium. Also, a light path changing unit may be further arranged so as to allow light passing through the electro-optical medium to be perpendicularly incident on an incidence target object.

    摘要翻译： 高速光学快门，操作高速光学快门的方法以及包括高速光学快门的光学装置。 光学快门包括具有全内反射表面的活性固体状态的透明电光介质，通过外部动作改变全内反射角度。 透明电光介质可以是通过外部动作改变全内反射角度的棱镜或棱镜阵列。 入射光路改变单元还可以布置在透明电光介质的前面。 此外，光路改变单元还可以被布置成使得通过电光介质的光垂直入射到入射目标物体上。