公开(公告)号：US06636464B1

公开(公告)日：2003-10-21

申请号：US09588224

申请日：2000-06-06

Applicant: Yong-jae Lee ,  Pyong-yong Seong ,  Jang-hoon Yoo ,  Byung-ryul Ryoo ,  Yong-ki Son

Inventor： Yong-jae Lee ,  Pyong-yong Seong ,  Jang-hoon Yoo ,  Byung-ryul Ryoo ,  Yong-ki Son

IPC: G11B700

CPC classification number: G11B7/1353 ,  G11B7/0901 ,  G11B7/0912 ,  G11B7/094 ,  G11B7/131

Abstract: An optical pickup device employing a signal detection unit including a hologram element having a plurality of pattern regions for diffracting and/or focusing light reflected and incident from a recording medium, a photodetector having a plurality of light receiving regions for receiving and photoelectrically converting the light diffracted by the hologram element and a signal operation unit for generating a focus error signal and/or a track error signal from a signal detected from the photodetector. The optical pickup device can implement a stable servo operation even at deviations of the photodetector, a change in the wavelength of light emitted from the light source, and/or shift of focusing means such as an objective lens, and can record and/or reproduce high-density information on/from the recording medium.

Abstract translation: 一种采用信号检测单元的光学拾取装置，包括具有多个图案区域的全息元件，用于衍射和/或聚焦从记录介质反射和入射的光;具有多个光接收区域的光电检测器，用于接收和光电转换光 由全息元件衍射，以及用于从从光电检测器检测的信号产生聚焦误差信号和/或轨道误差信号的信号操作单元。 光拾取装置即使在光电检测器的偏差，光源发射的光的波长变化和/或诸如物镜的聚焦装置的移动中也能够实现稳定的伺服操作，并且可以记录和/或再现 来自记录介质的高密度信息。

公开(公告)号：US06587481B1

公开(公告)日：2003-07-01

申请号：US09552621

申请日：2000-04-19

Applicant: Pyong-yong Seong ,  Yong-jae Lee ,  Byung-ryul Ryoo ,  Yong-ki Son

Inventor： Pyong-yong Seong ,  Yong-jae Lee ,  Byung-ryul Ryoo ,  Yong-ki Son

IPC: H01S310

CPC classification number: G11B7/1353 ,  G11B7/0903 ,  G11B7/0909 ,  G11B7/123 ,  G11B7/127 ,  G11B7/131 ,  G11B7/1356 ,  G11B7/1362 ,  G11B7/22 ,  G11B2007/0006

Abstract: A light emitting module packaging two light sources emitting two light beams of different wavelengths, and a compatible optical pickup device adopting the module are provided. The light emitting module includes a base, first and second light sources installed on the base, for emitting laser beams in different wavelength regions, a beam splitter and a monitoring photodetector for monitoring the optical outputs of the first and second light sources by receiving the beams emitted from the first and second light sources and split from the beam splitter in one direction. Also, another light emitting module includes a substrate, first and second light sources installed on the substrate for emitting laser beams of first and second wavelengths from both lateral sides thereof, a reflection member for reflecting the laser beam emitted from one lateral side of each of the first and second light sources to proceed in one direction, and first and second monitoring photodetectors for monitoring optical outputs of the first and second light sources. The compatible optical pickup device includes the light emitting module having the above structure, an objective lens for focusing first and second laser beams on an optical recording medium, an optical path converting device, a grating arranged on an optical path between the light emitting module and the optical path converting device for diffracting and transmitting an incident light, a photodetector.

Abstract translation: 本发明提供一种封装发射两个不同波长光束的两个光源的发光模块，以及采用该模块的兼容的光拾取装置。 发光模块包括安装在基座上的用于发射不同波长区域的激光束的基座，第一和第二光源，分束器和监视光电检测器，用于通过接收光束来监测第一和第二光源的光输出 从第一和第二光源发射并沿一个方向从分束器分离。 此外，另一发光模块包括基板，安装在基板上的第一和第二光源，用于从其两个侧面发射第一和第二波长的激光束;反射构件，用于反射从每个的一个侧面发射的激光束 第一和第二光源沿一个方向进行，以及第一和第二监视光电检测器，用于监视第一和第二光源的光输出。 兼容的光学拾取装置包括具有上述结构的发光模块，用于将第一和第二激光束聚焦在光学记录介质上的物镜，光路转换装置，布置在发光模块与发光模块之间的光路上的光栅 用于衍射和透射入射光的光路转换装置，光电检测器。

公开(公告)号：US5802035A

公开(公告)日：1998-09-01

申请号：US763723

申请日：1996-12-11

Applicant: Yong-Jae Lee

Inventor： Yong-Jae Lee

IPC: G11B7/08 ,  G11B7/00 ,  G11B7/0037 ,  G11B7/13 ,  G11B7/135

CPC classification number: G11B7/131 ,  G11B7/1353 ,  G11B7/1356 ,  G11B2007/0006 ,  G11B7/0037

Abstract: An optical pickup apparatus compatible with disks having different thicknesses is provided. The optical pickup apparatus includes an optical source, a beam splitter for changing the direction of the incident beam, an objective lens which is located between the optical source and the disk for focusing the incident beam to form an optical spot on the disk, and a photodetector for detecting information and error signals by receiving the beam which is reflected from the disk and passed through the beam splitter. A hologram optical element (HOE) is provided between the beam splitter and the photodetector for diffracting the beam reflected from the disk into a zero-order beam and a positive first-order beam. The photodetector includes a first photodetector and a second photodetector which receive the zero-order beam and the positive first-order beam, respectively.

Abstract translation: 提供了与具有不同厚度的盘兼容的光学拾取装置。 光学拾取装置包括光源，用于改变入射光束的方向的分束器，位于光源和光盘之间的物镜，用于聚焦入射光束以在光盘上形成光斑;以及 用于通过接收从盘反射并通过分束器的光束来检测信息和误差信号的光电检测器。 在分束器和光电检测器之间提供全息光学元件（HOE），用于将从光盘反射的光束衍射成零级光束和正一级光束。 光检测器包括分别接收零级光束和正一级光束的第一光电检测器和第二光电检测器。

公开(公告)号：US5691970A

公开(公告)日：1997-11-25

申请号：US648911

申请日：1996-05-16

Applicant: Yong-Jae Lee

Inventor： Yong-Jae Lee

IPC: G11B7/09 ,  G11B7/125 ,  G11B7/135 ,  G11B7/12

CPC classification number: G11B7/1381 ,  G11B7/1367 ,  G11B7/1374 ,  G11B2007/13727 ,  G11B7/0901 ,  G11B7/0908

Abstract: An optical pickup for high-density recording/reproducing, which can read the information recorded at a close interval to exceed the limit of a given cut-off frequency, includes an objective lens having divided portions for respectively transmitting a zero-order optical component and .+-.1st-order diffracted components. To detect a signal for reproduction, a focusing lens is used for focusing the zero-order component and .+-.1st-order diffracted components passing back through the objective lens so as to mutually interfere. Stable high-density optical recording/reproduction can be realized regardless of the numerical aperture of the objective lens and the optical wavelength.

Abstract translation: 用于高密度记录/再现的光学拾取器，其可以读取以相近间隔记录的信息超过给定截止频率的极限，包括具有用于分别发送零级光学部件的分割部分的物镜和 +/- 1阶衍射分量。 为了检测用于再现的信号，使用聚焦透镜来聚焦通过物镜返回的零级分量和+/- 1级衍射分量，以便相互干扰。 可以实现稳定的高密度光学记录/再现，而不管物镜的数值孔径和光学波长。

公开(公告)号：US08576015B2

公开(公告)日：2013-11-05

申请号：US12964172

申请日：2010-12-09

Applicant: Yong Jae Lee

Inventor： Yong Jae Lee

IPC: H03K3/282

CPC classification number: H03B5/1847

Abstract: Provided is a signal generator. The signal generator includes an insulating substrate, a chip disposed on the insulating substrate and including an oscillator including a capacitance element determining a resonant frequency signal, and a plurality of conductive lines disposed on the same surface of the insulating substrate to be spaced apart from each other. At least one of the plurality of conductive lines is electrically connected with the oscillator and provides an inductance element determining the resonant frequency signal to the oscillator.

Abstract translation: 提供了一种信号发生器。 信号发生器包括绝缘衬底，设置在绝缘衬底上的芯片，并且包括：振荡器，其包括确定谐振频率信号的电容元件;以及多个导线，设置在绝缘衬底的与每个绝缘衬底相同的表面上 其他。 多个导线中的至少一个与振荡器电连接，并提供确定谐振频率信号给振荡器的电感元件。

公开(公告)号：US08547365B2

公开(公告)日：2013-10-01

申请号：US12654341

申请日：2009-12-17

Applicant: Yong Jae Lee

Inventor： Yong Jae Lee

IPC: G06F3/038 ,  G09G5/00

CPC classification number: G09G3/20 ,  G09G2310/027 ,  G09G2370/08

Abstract: Provided are a display device and method. The display device includes a plurality of data driving integrated circuits (ICs) configured to receive reception signals, each of which includes data and load signal information indicating an application starting time point of the data, and apply parallel data signals corresponding to the data at the application starting time points according to the load signal information included in the reception signals, and a display panel configured to display an image according to the parallel data signals, wherein at least two of the data driving ICs apply parallel data signals at different application starting time points.

Abstract translation: 提供了一种显示装置和方法。 显示装置包括：多个数据驱动集成电路（IC），其被配置为接收接收信号，每个接收信号包括指示数据的应用开始时间点的数据和负载信号信息，并且将与数据相对应的并行数据信号 根据包含在接收信号中的负载信号信息的应用启动时间点，以及被配置为根据并行数据信号显示图像的显示面板，其中至少两个数据驱动IC在不同的应用开始时间应用并行数据信号 积分

公开(公告)号：US08416672B2

公开(公告)日：2013-04-09

申请号：US12963785

申请日：2010-12-09

Applicant: Ui-yol Kim ,  Yong-jae Lee ,  Pyong-yong Seong ,  Hong-kuk Kim

Inventor： Ui-yol Kim ,  Yong-jae Lee ,  Pyong-yong Seong ,  Hong-kuk Kim

IPC: G11B7/13

CPC classification number: G11B7/131 ,  G11B2007/0006

Abstract: An optical pickup, photodetector, and optical drive adopting the optical pickup are provided. The optical pickup may include a light emitting system having a plurality of light sources corresponding to a plurality of mediums a light receiving system including a photodetector for converting light reflected from a medium into an electrical signal. The photodetector may include first and second light receiving sensors corresponding to the plurality of mediums, each of the first and second light receiving sensors comprising a plurality of regions, each region comprising a plurality of sectors. The plurality of regions of the first and second light receiving sensors may include shared sectors that are shared by the first and second light receiving sensors and exclusive sectors that are exclusively used in the first light receiving sensor or the second light receiving sensor.

Abstract translation: 提供采用光学拾取器的光学拾取器，光电检测器和光学驱动器。 光拾取器可以包括具有对应于多个介质的多个光源的发光系统，光接收系统包括用于将从介质反射的光转换成电信号的光电检测器。 光电检测器可以包括对应于多个介质的第一和第二光接收传感器，第一和第二光接收传感器中的每一个包括多个区域，每个区域包括多个扇区。 第一和第二光接收传感器的多个区域可以包括由第一和第二光接收传感器共享的共享扇区和专门用于第一光接收传感器或第二光接收传感器的专用扇区。

公开(公告)号：US08074125B2

公开(公告)日：2011-12-06

申请号：US12408417

申请日：2009-03-20

Applicant: Yong-Jae Lee

Inventor： Yong-Jae Lee

IPC: G11B20/20

CPC classification number: H04L7/033 ,  H03L7/0812 ,  H03L7/089 ,  H03L7/0995 ,  H04L7/0066 ,  H04L7/0083 ,  H04L25/45 ,  H04L25/4904

Abstract: Provided are an apparatus and method for transmitting and receiving data bits. The apparatus includes a transmitter configured to generate a transmission signal corresponding to the data bits and having a periodic transition, a data line configured to transmit the generated transmission signal, and a receiver configured to generate a reception clock signal from the periodic transition of the transmission signal (“reception signal”) transmitted through the data line, sample the reception signal according to the generated reception clock signal to recover the data bits. Accordingly, it is possible to transmit clock information without a clock line separate from the data line.

Abstract translation: 提供了一种用于发送和接收数据位的装置和方法。 该装置包括：发射机，被配置为产生对应于数据比特并具有周期性跃迁的发射信号，被配置为发送所生成的发射信号的数据线;以及接收机，被配置为从所述传输的周期性转变生成接收时钟信号 通过数据线发送的信号（“接收信号”），根据生成的接收时钟信号对接收信号进行采样，以恢复数据位。 因此，可以在没有与数据线分开的时钟线的情况下传送时钟信息。

公开(公告)号：US08031189B2

公开(公告)日：2011-10-04

申请号：US12234496

申请日：2008-09-19

Applicant: Yong-Jae Lee

Inventor： Yong-Jae Lee

IPC: G06F3/038

CPC classification number: G09G3/20 ,  G09G2310/027 ,  G09G2310/08 ,  G09G2370/08 ,  H03L7/0812 ,  H03L7/0891 ,  H03L7/093

Abstract: A data driver circuit and a delay-locked loop (DLL) circuit that can operate normally in spite of errors, etc., caused when an analog data signal is applied to a display panel are provided. The data driver circuit receives a first data signal and a first clock signal and outputs a second data signal to be transmitted to a display panel. The data driver circuit includes a data driver for sampling the first data signal in response to a second clock signal and outputting the second data signal obtained by analog-converting the first data signal, a mask signal generator for generating a mask signal indicating presence within a predetermined time period measured from a point in time at which the second data signal begins to change, and a DLL for generating the second clock signal from the first clock signal. Here, there is a delay between the first and second clock signals, the delay changes according to a phase difference between the first and second clock signals, and the change in the delay according to the phase difference is prevented by the mask signal.

Abstract translation: 提供了当模拟数据信号被施加到显示面板时引起的错误等的可以正常工作的数据驱动器电路和延迟锁定环路（DLL）电路。 数据驱动电路接收第一数据信号和第一时钟信号，并输出要发送到显示面板的第二数据信号。 数据驱动器电路包括数据驱动器，用于响应于第二时钟信号对第一数据信号进行采样，并输出通过对第一数据信号进行模拟转换而获得的第二数据信号;屏蔽信号发生器，用于产生指示在 从第二数据信号开始改变的时间点测量的预定时间周期，以及用于从第一时钟信号产生第二时钟信号的DLL。 这里，在第一和第二时钟信号之间存在延迟，根据第一和第二时钟信号之间的相位差的延迟变化，并且通过掩模信号来防止根据相位差的延迟的变化。

公开(公告)号：US07969338B2

公开(公告)日：2011-06-28

申请号：US12094526

申请日：2006-02-10

Applicant: Yong-Jae Lee

Inventor： Yong-Jae Lee

IPC: H03M1/66

CPC classification number: G09G3/2096 ,  G09G2330/021

Abstract: The present invention relates to a decoding circuit for a flat panel display, and more particularly to a decoding circuit for a flat panel display wherein a miniaturization is possible by reducing an area of the circuit. There is provided a decoding circuit comprising: a first decoder for selecting a predetermined number of gradation voltages from a plurality of gradation voltages according to a least significant bit or least significant bits of an image data; a second decoder for selecting one of the selected gradation voltages to be outputted to an output terminal according to a plurality of selection signals; and a third decoder for outputting the plurality of the selection signals according to a most significant bit or most significant bits of the image data, wherein a minimum length of gates of a plurality of MOSFETs included in the first decoder is shorter than that of a plurality of MOSFETS included in the second decoder.

Abstract translation: 本发明涉及一种用于平板显示器的解码电路，更具体地说，涉及一种用于平板显示器的解码电路，其中通过减小电路的面积来实现小型化。 提供了一种解码电路，包括：第一解码器，用于根据图像数据的最低有效位或最低有效位从多个灰度电压中选择预定数量的灰度电压; 第二解码器，用于根据多个选择信号选择要输出到输出端的所选择的灰度电压中的一个; 以及第三解码器，用于根据图像数据的最高有效位或最高有效位输出多个选择信号，其中包括在第一解码器中的多个MOSFET的最小栅极长度比多个 包括在第二解码器中的MOSFET。