Patents by Inventor Jong Wan Jung

Jong Wan Jung 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: 11956998
    Abstract: A display device includes: a first substrate including a pixel area and a transmissive area; a thin-film transistor on the first substrate; a planarization layer on the thin-film transistor; a first light emitting electrode on the planarization layer; a bank covering a part of the first light emitting electrode; a light emitting layer on the first light emitting electrode; and a second light emitting electrode on the light emitting layer and the bank. The transmissive area includes a transmissive hole penetrating the bank and the planarization layer.
    Type: Grant
    Filed: January 4, 2023
    Date of Patent: April 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se Wan Son, Moo Soon Ko, Rae Young Gwak, Jin Seock Ma, Min Jeong Park, Ki Bok Yoo, So La Lee, Jin Goo Jung, Jong Won Chae, Ye Ji Han
  • Patent number: 8174057
    Abstract: According to a CMOS image device and a method of manufacturing same, dark current is decreased by a local impurity region. The image device includes a semiconductor substrate, and a transfer gate formed on a predetermined portion of the semiconductor substrate and electrically insulated from the semiconductor substrate. A photodiode is formed in the semiconductor substrate on one side of the transfer gate, and a floating diffusion region is formed on the semiconductor substrate in the other side of the transfer gate. A local impurity region of a first conductivity type is formed to be partially overlapped the transfer gate between the photodiode and the floating diffusion region.
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: May 8, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seok-ha Lee, Jae-seob Roh, Jong-Wan Jung
  • Patent number: 7825438
    Abstract: A CMOS image sensor cell includes a semiconductor active region of first conductivity type having a surface thereon and a P-N junction photodiode in the active region. A drive transistor is also provided in the semiconductor active region. The drive transistor has a gate electrode that is configured to receive charge generated in the P-N junction photodiode during an image capture operation (i.e., during capture of photons received from an image). This drive transistor has a gate electrode and a contoured channel region extending underneath the gate electrode. The contoured channel region has an effective channel length greater than a length of the gate electrode.
    Type: Grant
    Filed: August 9, 2006
    Date of Patent: November 2, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-wan Jung, Duck-hyung Lee
  • Patent number: 7601580
    Abstract: An image sensor may include a semiconductor substrate having a pixel array region and a logic region. A first gate electrode may be formed on the pixel array region of the semiconductor substrate. A lower electrode may be formed on a portion of the logic region of the semiconductor substrate. A first capping layer may be formed on at least a portion of the lower electrode. A dielectric layer may be formed on the first capping layer. An upper electrode may be formed on the dielectric layer. The first gate electrode and the lower electrode may include a polysilicon layer, and the first capping layer may include at least one of a metal layer and a metal silicide layer.
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: October 13, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Jong-Wan Jung
  • Patent number: 7579637
    Abstract: An image sensor and a method of fabricating the image sensor are provided. The image sensor includes a semiconductor substrate having a first conductivity type, a deep well having a second conductivity type. The deep well is formed at a predetermined depth in the semiconductor substrate to divide the semiconductor substrate into a first conductivity type upper substrate area and a lower substrate area. The image sensor further includes a plurality of unit pixels integrating charges corresponding to incident light and comprising first conductivity type ion-implantation areas. The first conductivity type ion-implantation areas are separated from one another. Moreover, at least one unit pixel among the plurality of unit pixels further comprises the first conductivity type upper substrate area that is positioned under a first conductivity type ion-implantation area included in the unit pixel.
    Type: Grant
    Filed: March 27, 2006
    Date of Patent: August 25, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Hyun Nam, Jong-Wan Jung
  • Publication number: 20090166696
    Abstract: According to a CMOS image device and a method of manufacturing same, dark current is decreased by a local impurity region. The image device includes a semiconductor substrate, and a transfer gate formed on a predetermined portion of the semiconductor substrate and electrically insulated from the semiconductor substrate. A photodiode is formed in the semiconductor substrate on one side of the transfer gate, and a floating diffusion region is formed on the semiconductor substrate in the other side of the transfer gate. A local impurity region of a first conductivity type is formed to be partially overlapped the transfer gate between the photodiode and the floating diffusion region.
    Type: Application
    Filed: March 2, 2009
    Publication date: July 2, 2009
    Inventors: Seok-ha Lee, Jae-seob Roh, Jong-Wan Jung
  • Patent number: 7518172
    Abstract: An image sensor is provided. The image sensor includes a substrate; a first isolation region, a second isolation region, a plurality of photoelectric transducer devices, a read element and a floating diffusion region. The second isolation region has a depth that is less than that of the first isolation region. The plurality of photoelectric transducer devices is isolated from one another by the first isolation region. The read element and the floating diffusion region are isolated from the photoelectric transducer devices by the second isolation region.
    Type: Grant
    Filed: January 30, 2007
    Date of Patent: April 14, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-rok Moon, Yun-hee Lee, Jong-wan Jung, Byung-jun Park
  • Patent number: 7514733
    Abstract: According to a CMOS image device and a method of manufacturing same, dark current is decreased by a local impurity region. The image device includes a semiconductor substrate, and a transfer gate formed on a predetermined portion of the semiconductor substrate and electrically insulated from the semiconductor substrate. A photodiode is formed in the semiconductor substrate on one side of the transfer gate, and a floating diffusion region is formed on the semiconductor substrate in the other side of the transfer gate. A local impurity region of a first conductivity type is formed to be partially overlapped the transfer gate between the photodiode and the floating diffusion region.
    Type: Grant
    Filed: March 13, 2006
    Date of Patent: April 7, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seok-ha Lee, Jae-seob Roh, Jong-Wan Jung
  • Publication number: 20070194356
    Abstract: An image sensor is provided. The image sensor includes a substrate; a first isolation region, a second isolation region, a plurality of photoelectric transducer devices, a read element and a floating diffusion region. The second isolation region has a depth that is less than that of the first isolation region. The plurality of photoelectric transducer devices is isolated from one another by the first isolation region. The read element and the floating diffusion region are isolated from the photoelectric transducer devices by the second isolation region.
    Type: Application
    Filed: January 30, 2007
    Publication date: August 23, 2007
    Inventors: Chang-rok Moon, Yun-hee Lee, Jong-wan Jung, Byung-jun Park
  • Publication number: 20070190679
    Abstract: An image sensor may include a semiconductor substrate having a pixel array region and a logic region. A first gate electrode may be formed on the pixel array region of the semiconductor substrate. A lower electrode may be formed on a portion of the logic region of the semiconductor substrate. A first capping layer may be formed on at least a portion of the lower electrode. A dielectric layer may be formed on the first capping layer. An upper electrode may be formed on the dielectric layer. The first gate electrode and the lower electrode may include a polysilicon layer, and the first capping layer may include at least one of a metal layer and a metal silicide layer.
    Type: Application
    Filed: February 15, 2007
    Publication date: August 16, 2007
    Inventor: Jong-Wan Jung
  • Publication number: 20070034965
    Abstract: A CMOS image sensor cell includes a semiconductor active region of first conductivity type having a surface thereon and a P-N junction photodiode in the active region. A drive transistor is also provided in the semiconductor active region. The drive transistor has a gate electrode that is configured to receive charge generated in the P-N junction photodiode during an image capture operation (i.e., during capture of photons received from an image). This drive transistor has a gate electrode and a contoured channel region extending underneath the gate electrode. The contoured channel region has an effective channel length greater than a length of the gate electrode.
    Type: Application
    Filed: August 9, 2006
    Publication date: February 15, 2007
    Inventors: Jong-wan Jung, Duck-hyung Lee
  • Publication number: 20060284274
    Abstract: According to a CMOS image device and a method of manufacturing same, dark current is decreased by a local impurity region. The image device includes a semiconductor substrate, and a transfer gate formed on a predetermined portion of the semiconductor substrate and electrically insulated from the semiconductor substrate. A photodiode is formed in the semiconductor substrate on one side of the transfer gate, and a floating diffusion region is formed on the semiconductor substrate in the other side of the transfer gate. A local impurity region of a first conductivity type is formed to be partially overlapped the transfer gate between the photodiode and the floating diffusion region.
    Type: Application
    Filed: March 13, 2006
    Publication date: December 21, 2006
    Inventors: Seok-ha Lee, Jae-seob Roh, Jong-Wan Jung
  • Publication number: 20060214249
    Abstract: An image sensor and a method of fabricating the image sensor are provided. The image sensor includes a semiconductor substrate having a first conductivity type, a deep well having a second conductivity type. The deep well is formed at a predetermined depth in the semiconductor substrate to divide the semiconductor substrate into a first conductivity type upper substrate area and a lower substrate area. The image sensor further includes a plurality of unit pixels integrating charges corresponding to incident light and comprising first conductivity type ion-implantation areas. The first conductivity type ion-implantation areas are separated from one another. Moreover, at least one unit pixel among the plurality of unit pixels further comprises the first conductivity type upper substrate area that is positioned under a first conductivity type ion-implantation area included in the unit pixel.
    Type: Application
    Filed: March 27, 2006
    Publication date: September 28, 2006
    Inventors: Jung-Hyun Nam, Jong-Wan Jung
  • Patent number: 6914311
    Abstract: The claimed invention relates to a semiconductor device and a method of fabricating the semiconductor device. More particularly, the claimed invention relates to a method of fabricating the semiconductor device in which parts of a gate electrode at the ends of a channel are lightly doped compared to the center part of the gate electrode, thereby eliminating a hump on a subthreshold current slope. To achieve the objects of the claimed invention, there is provided a semiconductor device that includes a semiconductor substrate divided into an isolation region and an active region. A gate oxide film is formed on a first upper surface of the active region. A gate electrode is formed on a second upper surface of the gate oxide film, the gate electrode having a first part and a second part. The first part is more lightly doped with impurities than the second part. A channel is formed in an upper end of the active region proximate the gate electrode.
    Type: Grant
    Filed: November 13, 2002
    Date of Patent: July 5, 2005
    Assignee: Hynix Semiconductor Inc.
    Inventors: Jong-Wan Jung, Jeong Seok Nam
  • Publication number: 20030068874
    Abstract: The claimed invention relates to a semiconductor device and a method of fabricating the semiconductor device. More particularly, the claimed invention relates to a method of fabricating the semiconductor device in which parts of a gate electrode at the ends of a channel are lightly doped compared to the center part of the gate electrode, thereby eliminating a hump on a subthreshold current slope. To achieve the objects of the claimed invention, there is provided a semiconductor device that includes a semiconductor substrate divided into an isolation region and an active region. A gate oxide film is formed on a first upper surface of the active region. A gate electrode is formed on a second upper surface of the gate oxide film, the gate electrode having a first part and a second part. The first part is more lightly doped with impurities than the second part. A channel is formed in an upper end of the active region proximate the gate electrode.
    Type: Application
    Filed: November 13, 2002
    Publication date: April 10, 2003
    Applicant: Hyundai Electronics Industries Co., Ltd.
    Inventors: Jong-Wan Jung, Jeong Seok Nam
  • Patent number: 6498085
    Abstract: The claimed invention relates to a semiconductor device and a method of fabricating the semiconductor device. More particularly, the claimed invention relates to a method of fabricating the semiconductor device in which parts of a gate electrode at the ends of a channel are lightly doped compared to the center part of the gate electrode, thereby eliminating a hump on a subthreshold current slope. To achieve the objects of the claimed invention, there is provided a semiconductor device that includes a semiconductor substrate divided into an isolation region and an active region. A gate oxide film is formed on a first upper surface of the active region. A gate electrode is formed on a second upper surface of the gate oxide film, the gate electrode having a first part and a second part. The first part is more lightly doped with impurities than the second part. A channel is formed in an upper end of the active region proximate the gate electrode.
    Type: Grant
    Filed: December 1, 2000
    Date of Patent: December 24, 2002
    Assignee: Hyundai Electronics Industries Co., Ltd.
    Inventors: Jong-Wan Jung, Jeong Seok Nam
  • Patent number: 6479357
    Abstract: A method for fabricating a semiconductor device including the steps of: forming a gate insulation film on the upper surface of a semiconductor substrate; forming a dummy layer pattern on the upper surface of the gate insulation film; forming an insulating side wall spacer on both side walls of the dummy layer pattern; injecting an impurity ion into the semiconductor substrate of the both sides of the side wall spacer, to form a source and a drain; forming an insulation layer in a manner that the entire upper surface of the semiconductor substrate becomes higher than the dummy layer pattern; performing a chemical-mechanical polishing step, to expose the upper surface of the dummy layer pattern; etching the dummy layer pattern and forming a trench on the gate insulation film; forming a barrier film on the inner wall of the trench and on the upper surface of the insulation layer; and filling the trench with copper layer.
    Type: Grant
    Filed: July 17, 2000
    Date of Patent: November 12, 2002
    Assignee: Hyundai Electronics Industries Co., Ltd.
    Inventor: Jong-Wan Jung
  • Publication number: 20010010381
    Abstract: The claimed invention relates to a semiconductor device and a method of fabricating the semiconductor device. More particularly, the claimed invention relates to a method of fabricating the semiconductor device in which parts of a gate electrode at the ends of a channel are lightly doped compared to the center part of the gate electrode, thereby eliminating a hump on a subthreshold current slope. To achieve the objects of the claimed invention, there is provided a semiconductor device that includes a semiconductor substrate divided into an isolation region and an active region. A gate oxide film is formed on a first upper surface of the active region. A gate electrode is formed on a second upper surface of the gate oxide film, the gate electrode having a first part and a second part. The first part is more lightly doped with impurities than the second part. A channel is formed in an upper end of the active region proximate the gate electrode.
    Type: Application
    Filed: December 1, 2000
    Publication date: August 2, 2001
    Applicant: Hyundai Electronics Industries Co., Ltd.
    Inventors: Jong-Wan Jung, Jeong Seok Nam
  • Patent number: 6204105
    Abstract: A method for fabricating a semiconductor device includes the steps of forming a field oxide layer on a field region of a semiconductor substrate where a field region and an active region are defined, forming a polycide layer on the entire surface of the semiconductor substrate including the field oxide layer and selectively removing the polycide layer to form a gate electrode and a lower electrode of a capacitor, successively forming a dielectric layer and a polysilicon layer on the entire surface including the lower electrode of the capacitor and patterning the dielectric layer and the lower electrode to form an upper electrode pattern and a resistor pattern, and forming an insulating layer to cover the resistor pattern and forming another polycide layer on the upper electrode of the capacitor.
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: March 20, 2001
    Assignee: LG Semicon Co., Ltd.
    Inventor: Jong Wan Jung
  • Patent number: 5985744
    Abstract: A method for fabricating a semiconductor device includes forming a plurality of field oxide layers on a semiconductor substrate to define an active region; forming a plurality of gate electrodes each having sidewall spacers on the active region of the semiconductor substrate, depositing a metal layer on the semiconductor substrate including the plurality of gate electrodes, defining a first region and a second region, removing the metal layer over the second region, and forming a silicide layer on the gate electrode and on the semiconductor substrate over the first region with a first annealing process.
    Type: Grant
    Filed: November 5, 1997
    Date of Patent: November 16, 1999
    Assignee: LG Semicon Co., Ltd.
    Inventor: Jong Wan Jung