公开(公告)号：US20070159579A1

公开(公告)日：2007-07-12

申请号：US11585127

申请日：2006-10-24

申请人： Hong-seok Lee ,  Suk-han Lee ,  Ji-deog Kim ,  Il-kwon Moon

发明人： Hong-seok Lee ,  Suk-han Lee ,  Ji-deog Kim ,  Il-kwon Moon

IPC分类号： G02F1/1335

CPC分类号： G02F1/133514 ,  B82Y20/00 ,  G02B6/1225 ,  G02F1/133553 ,  G02F2001/133521 ,  G02F2202/32

摘要： A reflective display device using photonic crystals includes a plurality of reflective color filters, each reflective color filter reflects a predetermined wavelength range of an incident visible light; and a plurality of optical switches disposed adjacent to and facing a corresponding one of the plurality of reflective color filters, each of the plurality of optical switches extracts a predetermined color by adjusting an intensity or on/off-frequency of light reflected from the corresponding one of the plurality of reflective color filters. Accordingly, a reflective display device using photonic crystals may have a simplified structure requiring no conventional reflecting mirror.

摘要翻译： 使用光子晶体的反射显示装置包括多个反射滤色器，每个反射滤色镜反射入射的可见光的预定波长范围; 以及与所述多个反射滤色器中的相应一个相邻设置的多个光开关，所述多个光开关中的每一个通过调节从相应的一个反射滤光片反射的光的强度或开/关频率来提取预定颜色 的多个反射滤色器。 因此，使用光子晶体的反射式显示装置可以具有不需要常规反射镜的简化结构。

公开(公告)号：US07013061B2

公开(公告)日：2006-03-14

申请号：US10714457

申请日：2003-11-17

申请人： Hong-seok Lee ,  Suk-han Lee ,  Ji-deog Kim ,  Il-kwon Moon

发明人： Hong-seok Lee ,  Suk-han Lee ,  Ji-deog Kim ,  Il-kwon Moon

IPC分类号： G02B6/26

CPC分类号： G02F1/3137 ,  G02F1/0147 ,  G02F2202/32

摘要： A 2×2 optical switching apparatus using photonic crystal structures has a compact, simple structure and includes an optical-guide module having first, second, third and fourth waveguides, the first and second waveguides guiding a first optical signal of a first input port to a first and a second output port, respectively, the third and fourth waveguides guiding a second optical signal of a second input port to the second and the first output ports, respectively, and formed with photonic crystals having a complete photonic bandgap for a wavelength range of the first and second optical signals, and a switching control section controlling the first and second optical signals to be respectively guided through either a first/third waveguide route or a second/fourth waveguide route according to a route-selecting-control signal inputted from outside. The 2×2 optical switching apparatus has no mechanical motion, little polarization dependence and may be efficiently used in optical networks.

摘要翻译： 使用光子晶体结构的2x2光开关装置具有紧凑的简单结构，并且包括具有第一，第二，第三和第四波导的光导模块，第一和第二波导将第一输入端口的第一光信号引导到第一 和第二输出端口，所述第三和第四波导分别将第二输入端口的第二光信号引导到所述第二输出端口和所述第一输出端口，并且形成为具有用于波长范围的完整光子带隙的光子晶体 第一和第二光信号，以及根据从外部输入的路由选择控制信号，控制第一和第二光信号分别被引导通过第一/第三波导路径或第二/第四波导路径的切换控制部。 2×2光开关装置没有机械运动，极少的偏振依赖性，并且可以有效地用于光网络。

公开(公告)号：US08570628B2

公开(公告)日：2013-10-29

申请号：US12461845

申请日：2009-08-26

申请人： Ji-deog Kim

发明人： Ji-deog Kim

IPC分类号： G02B5/32 ,  G02B26/10

CPC分类号： G02B26/106 ,  G02B5/1866 ,  G02B5/32 ,  G02B27/22 ,  G03H1/0248 ,  G03H1/04 ,  G03H1/22 ,  G03H1/2249 ,  G03H1/28 ,  G03H2001/0439 ,  G03H2001/2271 ,  G03H2001/2292 ,  G03H2001/2297 ,  G03H2210/30 ,  G03H2210/45

摘要： A three-dimensional (3D) color display apparatus may include: light sources emitting different color beams; a volume diffractive element, in which a hologram is recorded using one of the color beams that is emitted from one of the light sources as a reference beam and a signal beam, displaying color images by diffracting the color beams emitted from the light sources; and a scanning unit scanning the color beams diffracted by the volume diffractive element. A 3D color image display method may include: recording holograms in a volume diffractive element using a first color beam as a reference and signal beam; irradiating the first color beam and another color beam onto the volume diffractive element as a reproducing reference beam; forming beam spots by diffracting the first color beam and the another color beam using the volume diffractive element; and scanning the color beams diffracted by the volume diffractive element.

摘要翻译： 三维（3D）彩色显示装置可以包括：发射不同颜色光束的光源; 体积衍射元件，其中使用从一个光源发射的色束之一作为参考光束和信号光束记录全息图，通过衍射从光源发出的彩色光束来显示彩色图像; 以及扫描单元扫描由体积衍射元件衍射的彩色光束。 3D彩色图像显示方法可以包括：使用第一颜色光束作为参考和信号光束在体积衍射元件中记录全息图; 将第一颜色光束和另一个彩色光束照射到体积衍射元件上作为再现参考光束; 通过使用体积衍射元件衍射第一颜色光束和另一个彩色光束来形成光束点; 并扫描由体积衍射元件衍射的彩色光束。

公开(公告)号：US20100060958A1

公开(公告)日：2010-03-11

申请号：US12461845

申请日：2009-08-26

申请人： Ji-deog Kim

发明人： Ji-deog Kim

IPC分类号： G03H1/22

CPC分类号： G02B26/106 ,  G02B5/1866 ,  G02B5/32 ,  G02B27/22 ,  G03H1/0248 ,  G03H1/04 ,  G03H1/22 ,  G03H1/2249 ,  G03H1/28 ,  G03H2001/0439 ,  G03H2001/2271 ,  G03H2001/2292 ,  G03H2001/2297 ,  G03H2210/30 ,  G03H2210/45

摘要： A three-dimensional (3D) color display apparatus may include: light sources emitting different color beams; a volume diffractive element, in which a hologram is recorded using one of the color beams that is emitted from one of the light sources as a reference beam and a signal beam, displaying color images by diffracting the color beams emitted from the light sources; and a scanning unit scanning the color beams diffracted by the volume diffractive element. A 3D color image display method may include: recording holograms in a volume diffractive element using a first color beam as a reference and signal beam; irradiating the first color beam and another color beam onto the volume diffractive element as a reproducing reference beam; forming beam spots by diffracting the first color beam and the another color beam using the volume diffractive element; and scanning the color beams diffracted by the volume diffractive element.

摘要翻译： 三维（3D）彩色显示装置可以包括：发射不同颜色光束的光源; 体积衍射元件，其中使用从一个光源发射的色束之一作为参考光束和信号光束记录全息图，通过衍射从光源发出的彩色光束来显示彩色图像; 以及扫描单元扫描由体积衍射元件衍射的彩色光束。 3D彩色图像显示方法可以包括：使用第一颜色光束作为参考和信号光束在体积衍射元件中记录全息图; 将第一颜色光束和另一个彩色光束照射到体积衍射元件上作为再现参考光束; 通过使用体积衍射元件衍射第一颜色光束和另一个彩色光束来形成光束点; 并扫描由体积衍射元件衍射的彩色光束。

公开(公告)号：US07262893B2

公开(公告)日：2007-08-28

申请号：US11061643

申请日：2005-02-22

申请人： Ji-deog Kim

发明人： Ji-deog Kim

IPC分类号： G03H1/04

CPC分类号： G11B7/1374 ,  G11B7/0065 ,  G11B2007/13727

摘要： A data writing and reading device is capable of writing and reading data with respect to a holographic storage medium. The data writing and reading device includes a light source which emits a laser beam, a focusing lens unit having a multi-focal lens which splits the laser beam into a reference beam and an object beam and projects the split beams to the storage medium so that an interference pattern between the reference and object beams can be written in the storage medium, and a photo detector for detecting the object beam when the object beam is reproduced in accordance with the holographic data with the incidence of the reference beam to the storage medium. With a simple hardware, data can be written to or read out from the holographic storage medium.

摘要翻译： 数据写入和读取装置能够写入和读取关于全息存储介质的数据。 数据写入和读取装置包括发射激光束的光源，具有将激光束分成参考光束和物体光束并将分束投射到存储介质的多焦点透镜的聚焦透镜单元， 参考光束和物体光束之间的干涉图案可以写入存储介质中，以及光检测器，用于当根据全息数据再现对象光束时检测物体光束，并将参考光束入射到存储介质。 使用简单的硬件，数据可以被写入或从全息存储介质读出。

公开(公告)号：US20070041303A1

公开(公告)日：2007-02-22

申请号：US11483014

申请日：2006-07-10

申请人： Ji-deog Kim ,  Chung-woo Lee ,  Chung-choo Chung ,  Bong-sik Kwak ,  Sang-han Lee

发明人： Ji-deog Kim ,  Chung-woo Lee ,  Chung-choo Chung ,  Bong-sik Kwak ,  Sang-han Lee

IPC分类号： G11B7/00

CPC分类号： G11B7/0938 ,  G11B7/0065 ,  G11B7/00781 ,  G11B7/083

摘要： An information storage medium stored hologram data images and an apparatus for reproducing data image from the same are provided. The medium includes a line-type servo image formed on one side of a hologram data image in radial direction. The apparatus includes an information storage medium, the first photodetector, and a signal processor. The first photodetector detects a servo image from the information storage medium and the signal processor generates at least one of a servo control signal and an address signal from a signal detected by the first photodetector.

摘要翻译： 提供存储全息图数据图像的信息存储介质和用于从其再现数据图像的装置。 该介质包括在全息图数据图像的一侧沿径向形成的线型伺服图像。 该装置包括信息存储介质，第一光电检测器和信号处理器。 第一光电检测器从信息存储介质检测伺服图像，并且信号处理器从由第一光电检测器检测的信号中产生伺服控制信号和地址信号中的至少一个。

公开(公告)号：US20060133236A1

公开(公告)日：2006-06-22

申请号：US11189726

申请日：2005-07-27

申请人： Ji-deog Kim ,  Bong-sik Kwak ,  Chung-woo Lee ,  Chung-choo Chung ,  Sang-han Lee

发明人： Ji-deog Kim ,  Bong-sik Kwak ,  Chung-woo Lee ,  Chung-choo Chung ,  Sang-han Lee

IPC分类号： G11B7/00

CPC分类号： G11B7/0938 ,  G11B7/0065 ,  G11B7/00781 ,  G11B7/0901

摘要： Provided is a method of controlling tracking of an information recording medium including an area for storing a holographic image and an area for storing servo spots formed discretely and at a predetermined interval, which is achieved by obtaining an RF-SUM signal by adding all of detection signals of a quadrant photodetector for detecting the servo spot, monitoring whether the RF-SUM signal exceeds a predetermined level, and performing tracking control in a section where the RF-SUM signal exceeds the predetermined level. Also provided is a related apparatus.

摘要翻译： 提供一种控制信息记录介质的跟踪的方法，该信息记录介质包括用于存储全息图像的区域和用于存储离散形成的并以预定间隔形成的伺服光斑的区域，其通过将所有检测结果相加获得RF-SUM信号来实现 用于检测伺服点的象限光电检测器的信号，监视RF-SUM信号是否超过预定电平，并且在RF-SUM信号超过预定电平的部分中执行跟踪控制。 还提供了一种相关装置。

公开(公告)号：US07064886B2

公开(公告)日：2006-06-20

申请号：US10626881

申请日：2003-07-25

申请人： Il-kwon Moon ,  Suk-han Lee ,  Hong-seok Lee ,  Ji-deog Kim

发明人： Il-kwon Moon ,  Suk-han Lee ,  Hong-seok Lee ,  Ji-deog Kim

IPC分类号： G02F1/00 ,  G02F1/03 ,  G02F1/1335

CPC分类号： G02F1/01 ,  G02F2202/32

摘要： A light regulating device and photonic crystal display device utilizing bandgap controls including a photonic crystal including a material that is capable of varying its refractive index in accordance with an electric field, the photonic crystal having a photonic bandgap in a specific frequency range; and an upper transparent electrode and a lower transparent electrode arranged on an upper side and a lower side of the photonic crystal, respectively, to which a voltage is applied, wherein a size of the photonic bandgap of the photonic crystal is controlled by the voltage applied between the upper transparent electrode and the lower transparent electrode. With the present invention, a reflection-type or penetration-type display is available which has a simple pixel structure, a high light efficiency, and a high color contrast ratio, the display using high reflection factors depending on color ranges of a photonic crystal.

摘要翻译： 一种调光装置和光子晶体显示装置，利用带隙控制装置，包括光子晶体，其包括能够根据电场改变其折射率的材料，所述光子晶体在特定频率范围内具有光子带隙; 以及分别设置在其上施加电压的光子晶体的上侧和下侧的上透明电极和下透明电极，其中光子晶体的光子带隙的大小由施加的电压控制 在上透明电极和下透明电极之间。 根据本发明，可以使用具有简单像素结构，高光效率和高对比度比的反射型或穿透式显示器，该显示器使用高光反射系数，取决于光子晶体的颜色范围。

公开(公告)号：US07016584B2

公开(公告)日：2006-03-21

申请号：US10921858

申请日：2004-08-20

申请人： Suk-han Lee ,  Ji-deog Kim

发明人： Suk-han Lee ,  Ji-deog Kim

IPC分类号： G02B6/20

CPC分类号： G02B6/02328 ,  G02B6/02352

摘要： A photonic band-gap optical fiber is disclosed. The photonic band-gap optical fiber includes a photonic crystal having plural band-gaps. The photonic crystal includes a first medium having a first permittivity; plural second media having a second permittivity, and formed in a first periodic arrangement with respect to at least one or more directions on a plane formed of the first medium; and plural third media having a third permittivity, formed in a second periodic arrangement with respect to at least one or more directions on the plane formed of the first medium, and formed in a third periodic arrangement with respect to at least one or more directions together with the plural second media. The photonic crystal has a hollow portion for propagating light passing through the plane formed of the first medium. The photonic band-gap optical fiber can be used to propagate light of plural, different bands at the same time.

摘要翻译： 公开了一种光子带隙光纤。 光子带隙光纤包括具有多个带隙的光子晶体。 光子晶体包括具有第一介电常数的第一介质; 具有第二介电常数的多个第二介质，并且在由所述第一介质形成的平面上相对于至少一个或多个方向以第一周期性布置形成; 以及具有第三介电常数的多个第三介质，相对于由第一介质形成的平面上的至少一个或多个方向以第二周期性布置形成，并且相对于至少一个或多个方向在第三周期性布置中形成在一起 与复数第二媒体。 光子晶体具有用于传播通过由第一介质形成的平面的光的中空部分。 光子带隙光纤可以同时传播多个不同频带的光。

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。