公开(公告)号：US20120082021A1

公开(公告)日：2012-04-05

申请号：US13179603

申请日：2011-07-11

Applicant: Ui-yol KIM ,  Yong-jae Lee

Inventor： Ui-yol KIM ,  Yong-jae Lee

IPC: G11B7/135

CPC classification number: G11B7/1398 ,  G11B7/125 ,  G11B7/1374 ,  G11B7/1376 ,  G11B7/1378 ,  G11B7/13925 ,  G11B2007/0006

Abstract: An optical pickup device, an optical drive using the same, and a method of forming a beam spot are provided. The optical pickup includes a light source system that includes a light source corresponding to at least one of a digital versatile disc (DVD) and a Blu-ray disc (BD). The light source forms a beam spot having an oval shape with a long axis and a short axis on an information recording track of the disc, and the light source is disposed such that the long axis is maintained at an angle ranging from 0° to 30° with respect to a radial direction passing through a rotation center of the disc.

Abstract translation: 提供一种光学拾取装置，使用其的光学驱动器以及形成束斑的方法。 光拾取器包括光源系统，其包括对应于数字通用盘（DVD）和蓝光盘（BD）中的至少一个的光源。 光源在盘的信息记录轨道上形成具有长轴和短轴的椭圆形的束斑，并且光源被设置成使得长轴保持在0°至30°的角度 °相对于穿过盘的旋转中心的径向方向。

公开(公告)号：US20120008475A1

公开(公告)日：2012-01-12

申请号：US13178286

申请日：2011-07-07

Applicant: Ui-yol KIM ,  Yong-jae Lee

Inventor： Ui-yol KIM ,  Yong-jae Lee

IPC: G11B7/135 ,  G11B7/12

CPC classification number: G11B7/1365 ,  G11B7/0903 ,  G11B7/131 ,  G11B2007/0006 ,  G11B2007/0013

Abstract: An optical pickup device, an optical disk drive and method of controlling light performed by the optical pickup device are provided. The optical pickup device includes: a light transmitting system including an object lens for facing a medium having a multi recording layer for storing information, a light source system for providing a plurality of beams used to record information on or reproduce information from the multi recording layer via the light transmitting system, a light-receiving system disposed on a path of a beam reflected from the medium, and a light controller including a light control device for controlling stray light generated in the medium such that the stray light does not reach the light-receiving device.

Abstract translation: 提供一种光拾取装置，光盘驱动器和控制由光拾取装置执行的光的方法。 光拾取装置包括：光传输系统，包括用于面对具有用于存储信息的多记录层的介质的物镜;光源系统，用于提供用于从多记录层记录信息或从多记录层再现信息的多个光束 通过光传输系统，设置在从介质反射的光束的路径上的光接收系统，以及光控制器，其包括用于控制在介质中产生的杂散光的光控制装置，使得杂散光不到达光 接收装置

公开(公告)号：US20110141869A1

公开(公告)日：2011-06-16

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: G11B7/00 ,  H01L27/14

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：US20110075535A1

公开(公告)日：2011-03-31

申请号：US12891072

申请日：2010-09-27

Applicant: Ui-yol KIM ,  Yong-jae Lee ,  Pyong-yong Seong

Inventor： Ui-yol KIM ,  Yong-jae Lee ,  Pyong-yong Seong

IPC: G11B7/12 ,  G11B7/135

CPC classification number: G11B7/08511 ,  G11B2007/0006 ,  G11B2007/0013

Abstract: An optical pickup device corresponding to an optical recording medium having a plurality of recording layers, and an optical drive using the device are provided. The optical pickup device includes a collimator lens disposed between an object lens and a light source. The collimator lens adjusts a focal length with respect to the optical recording medium, and the object lens focuses light passing through the collimator lens, on the optical recording medium. The object lens is optically optimized for an upper or second-upper recording layer of the optical recording medium.

Abstract translation: 提供对应于具有多个记录层的光学记录介质的光学拾取装置和使用该装置的光学驱动器。 光学拾取装置包括设置在物镜和光源之间的准直透镜。 准直透镜调整相对于光记录介质的焦距，并且物镜将通过准直透镜的光聚焦在光记录介质上。 物镜被光学优化用于光学记录介质的上部或第二上部记录层。