Patents by Inventor Kyung-Lak Lee

Kyung-Lak Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8247256
    Abstract: There are provided a CMOS image sensor and a method for fabrication thereof. The CMOS image sensor having a reset transistor, a select transistor, a drive transistor and a photodiode, includes an active region in shape of a line, a gate electrode of the drive transistor, which is intersected with the active region, a blocking layer interposed between the active region and the gate electrode in which the blocking layer is formed on an intersection region of the active region and the gate electrode, and a metal contact electrically connected to the gate electrode, wherein the metal contact is not electrically connected to the active region by the blocking layer.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: August 21, 2012
    Assignee: Intellectual Ventures II LLC
    Inventors: Won-Joon Ho, Kyung-Lak Lee
  • Publication number: 20110086459
    Abstract: There are provided a CMOS image sensor and a method for fabrication thereof. The CMOS image sensor having a reset transistor, a select transistor, a drive transistor and a photodiode, includes an active region in shape of a line, a gate electrode of the drive transistor, which is intersected with the active region, a blocking layer interposed between the active region and the gate electrode in which the blocking layer is formed on an intersection region of the active region and the gate electrode, and a metal contact electrically connected to the gate electrode, wherein the metal contact is not electrically connected to the active region by the blocking layer.
    Type: Application
    Filed: December 16, 2010
    Publication date: April 14, 2011
    Applicant: Crosstek Capital, LLC
    Inventors: Won-Joon Ho, Kyung-Lak Lee
  • Patent number: 7863658
    Abstract: There are provided a CMOS image sensor and a method for fabrication thereof. The CMOS image sensor having a reset transistor, a select transistor, a drive transistor and a photodiode, includes an active region in shape of a line, a gate electrode of the drive transistor, which is intersected with the active region, a blocking layer interposed between the active region and the gate electrode in which the blocking layer is formed on an intersection region of the active region and the gate electrode, and a metal contact electrically connected to the gate electrode, wherein the metal contact is not electrically connected to the active region by the blocking layer.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: January 4, 2011
    Inventors: Won-Joon Ho, Kyung-Lak Lee
  • Patent number: 7348262
    Abstract: A method for fabricating a module of a semiconductor chip is provided. The method includes the steps of: forming a bump on a substrate provided with a pad; forming a protection layer over the bump; performing a grinding process on a rear surface of the substrate to reduce a thickness of the substrate; and exposing the bump by removing the protection layer.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: March 25, 2008
    Assignee: Magnachip Semiconductor, Ltd.
    Inventors: Kyung-Lak Lee, Ju-Il Lee
  • Publication number: 20060284273
    Abstract: There are provided a CMOS image sensor and a method for fabrication thereof. The CMOS image sensor having a reset transistor, a select transistor, a drive transistor and a photodiode, includes an active region in shape of a line, a gate electrode of the drive transistor, which is intersected with the active region, a blocking layer interposed between the active region and the gate electrode in which the blocking layer is formed on an intersection region of the active region and the gate electrode, and a metal contact electrically connected to the gate electrode, wherein the metal contact is not electrically connected to the active region by the blocking layer.
    Type: Application
    Filed: June 14, 2006
    Publication date: December 21, 2006
    Inventors: Won-Joon Ho, Kyung-Lak Lee
  • Patent number: 7135362
    Abstract: The present invention relates to an isolation layer for CMOS image sensor and a fabrication method thereof, which are capable of improving a low light level characteristic of the CMOS image sensor. The isolation layer includes: a field insulating layer formed on a predetermined portion of a substrate in the logic area to thereby define an active area and a field area; a field stop ion implantation area formed on a predetermined portion of the substrate in the pixel area, the field stop ion implantation area having a predetermined depth from a surface of the substrate to define an active area and a field area; and an oxide layer deposited on a substrate surface corresponding to the field stop ion implantation area.
    Type: Grant
    Filed: June 30, 2004
    Date of Patent: November 14, 2006
    Assignee: Hynix Semiconductor Inc.
    Inventor: Kyung-Lak Lee
  • Publication number: 20060148232
    Abstract: A method for fabricating a module of a semiconductor chip is provided. The method includes the steps of: forming a bump on a substrate provided with a pad; forming a protection layer over the bump; performing a grinding process on a rear surface of the substrate to reduce a thickness of the substrate; and exposing the bump by removing the protection layer.
    Type: Application
    Filed: November 30, 2005
    Publication date: July 6, 2006
    Inventors: Kyung-Lak Lee, Ju-Il Lee
  • Publication number: 20050093088
    Abstract: The present invention relates to an isolation layer for CMOS image sensor and a fabrication method thereof, which are capable of improving a low light level characteristic of the CMOS image sensor. The isolation layer includes: a field insulating layer formed on a predetermined portion of a substrate in the logic area to thereby define an active area and a field area; a field stop ion implantation area formed on a predetermined portion of the substrate in the pixel area, the field stop ion implantation area having a predetermined depth from a surface of the substrate to define an active area and a field area; and an oxide layer deposited on a substrate surface corresponding to the field stop ion implantation area.
    Type: Application
    Filed: June 30, 2004
    Publication date: May 5, 2005
    Inventor: Kyung-Lak Lee
  • Publication number: 20030021433
    Abstract: Disclosed are a speaker configuration and a signal processor for stereo sound reproduction for vehicle and a vehicle having the same that can provide all of the passengers with a left-right balanced stereo sound in a vehicle. The object of the invention is to provide a balanced stereo sound to all passengers in a vehicle. According to the invention to obtain the object, a speaker configuration for stereo sound reproduction in a vehicle which has a plurality of speakers installed therein, the speaker configuration comprises a first speaker provided in the left of a front central part of the vehicle for receiving a right channel output; and a second speaker provided in the right of the front central part of the vehicle for receiving a left channel output.
    Type: Application
    Filed: July 30, 2001
    Publication date: January 30, 2003
    Inventor: Kyung Lak Lee
  • Patent number: 6459131
    Abstract: A CMOS image sensor for preventing a formation of scum and overlaps of neighboring color filters is provided. The image sensor includes: a semiconductor structure; a first color filter formed on the semiconductor structure, wherein the first color filter includes a first stacked layer, the first stacked layer having a first nitride layer and a first oxide layer; a second color filter, wherein the second color filter is formed with a dyed photoresist and in contact with the first color filter; and a third color filter formed on a portion where is not overlapped with the first and the second color filter, wherein the third color filter includes a second stacked layer, the second stacked layer having a second nitride layer and a second oxide layer.
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: October 1, 2002
    Assignee: Hyundai Electronics Industries Co., Ltd.
    Inventor: Kyung-Lak Lee
  • Publication number: 20020043661
    Abstract: A CMOS image sensor for preventing a formation of scum and overlaps of neighboring color filters is provided. The image sensor includes: a semiconductor structure; a first color filter formed on the semiconductor structure, wherein the first color filter includes a first stacked layer, the first stacked layer having a first nitride layer and a first oxide layer; a second color filter, wherein the second color filter is formed with a dyed photoresist and in contact with the first color filter; and a third color filter formed on a portion where is not overlapped with the first and the second color filter, wherein the third color filter includes a second stacked layer, the second stacked layer having a second nitride layer and a second oxide layer.
    Type: Application
    Filed: September 6, 2001
    Publication date: April 18, 2002
    Inventor: Kyung-Lak Lee