Patents by Inventor Joung Ho

Joung Ho 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: 7884001
    Abstract: Embodiments relate to an image sensor and a method of manufacturing an image sensor. According to embodiments, an image sensor may include a gate over a semiconductor substrate, a first impurity region over the semiconductor substrate, a second impurity region over the semiconductor substrate, the second impurity region being shallower than the first impurity region, and a third impurity region formed in the first impurity region, and bent toward the gate at a predetermined angle. According to embodiments, the third impurity region may be an n-type impurity region. According to embodiments, an area of a photodiode may be increased and a transfer efficiency of electrons generated from a photodiode may be increased.
    Type: Grant
    Filed: December 27, 2008
    Date of Patent: February 8, 2011
    Assignee: Dongbu HiTek Co., Ltd.
    Inventor: Joung-Ho Lee
  • Publication number: 20100300354
    Abstract: A liquid crystal dispensing system includes a container to contain liquid crystal to be dispensed, a discharge pump to receive the liquid crystal from the container and to discharge the liquid crystal, a nozzle to dispense the liquid crystal discharged from the discharge pump onto a substrate, and a control unit to control a dispensing amount of liquid crystal discharged from the discharge pump and to compensate the dispensing amount when the dispensing amount of liquid crystal exceeds a limitation value.
    Type: Application
    Filed: August 5, 2010
    Publication date: December 2, 2010
    Inventors: Joung Ho RYU, Soo-Min Kwak, Hae-Joon Son, Man-Ho An, Joon-Young Kim, Do-Hyun Ryu, Seung-Soo Lee
  • Patent number: 7785655
    Abstract: A liquid crystal dispensing system includes a container to contain liquid crystal to be dispensed, a discharge pump to receive the liquid crystal from the container and to discharge the liquid crystal, a nozzle to dispense the liquid crystal discharged from the discharge pump onto a substrate, and a control unit to control a dispensing amount of liquid crystal discharged from the discharge pump and to compensate the dispensing amount when the dispensing amount of liquid crystal exceeds a limitation value.
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: August 31, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Joung-Ho Ryu, Soo-Min Kwak, Hae-Joon Son, Man-Ho An, Joon-Young Kim, Do-Hyun Ryu, Seung-Soo Lee
  • Publication number: 20100164932
    Abstract: An address driving circuit includes a driving device unit and an energy recovery circuit. The driving device unit drives an address electrode to an address voltage or a reference voltage in response to driving control signals during an address period. The energy recovery circuit recovers a voltage charged to the address electrode in response to switching control signals such that a voltage of the address electrode transitions to the address voltage or the reference voltage via at least two intermediate voltages including first and second intermediate voltages during the address period.
    Type: Application
    Filed: December 9, 2009
    Publication date: July 1, 2010
    Inventors: Joung-Ho Kim, Hyo-Sang Youn, Tae-Ho Kwon
  • Patent number: 7713808
    Abstract: A complementary metal oxide semiconductor (CMOS) image sensor (CIS) and a method for fabricating the same. A method for fabricating a CIS includes implanting first conductive type dopants in a semiconductor substrate to form a photodiode region in a surface of the semiconductor substrate, implanting second conductive type dopants in the photo diode region to form a second conductive type diffusion region, and implanting fluorine ions in the second conductive type diffusion region to form a fluorine diffusion region.
    Type: Grant
    Filed: August 28, 2007
    Date of Patent: May 11, 2010
    Assignee: Dongbu Hitek Co., Ltd.
    Inventor: Joung Ho Lee
  • Patent number: 7710534
    Abstract: Disclosed is a system for fabricating a liquid crystal display using liquid crystal dropping and a method of fabricating a liquid crystal display using the same. The present invention includes a liquid crystal forming line dropping liquid crystals on the first substrate, a sealant forming line forming the sealant on the second substrate, and a bonding and hardening line bonding the two substrates to each other and hardening the sealant, printing a sealant, bonding the substrates each other, and hardening the sealant and an inspection process line of cutting the bonded substrates into panel units and grinding and inspecting the unit panels.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: May 4, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Yong Sang Byun, Moo Yeol Park, Sung Su Jung, Sung Chun Kang, Jong Woo Kim, Young Hun Ha, Sang Seok Lee, Sang Ho Park, Hun Jun Choo, Hyug Jin Kweon, Kyung Su Chae, Hae Joon Son, Sang Sun Shin, Jong Go Lim, Wan Soo Kim, Young Hun Jeung, Joung Ho Ryu, Ji Heum Uh, Im Su Lee
  • Patent number: 7678212
    Abstract: A liquid crystal dispensing system includes a liquid crystal material container to contain liquid crystal, the liquid crystal material container provided with a first code corresponding to liquid crystal information; a reading unit to read the recognition code; a discharge pump to draw in and discharge liquid crystal from the liquid crystal material container; and a nozzle to dispense liquid crystal from the discharge pump onto a substrate.
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: March 16, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Joung-Ho Ryu, Soo-Min Kwak, Hae-Joon Son
  • Publication number: 20100006911
    Abstract: Disclosed are a CMOS image sensor and a manufacturing method thereof.
    Type: Application
    Filed: September 22, 2009
    Publication date: January 14, 2010
    Inventor: Joung Ho LEE
  • Patent number: 7646212
    Abstract: A memory system includes a memory controller, a transmission bus, a power divider, a first memory chip, and a second memory chip. The transmission bus is coupled from the memory controller to a first node of the power divider for transferring signals. The first node of the power divider is coupled to a second node of the power divider via a first line, and the first node is also coupled to a third node of the power divider via a second line. The first memory chip is coupled to the second node via a first branch bus and the second memory chip is coupled to the third node via a second branch bus. Accordingly, reflected wave due to an impedance mismatching can be reduced to enhance the signal integrity.
    Type: Grant
    Filed: January 29, 2007
    Date of Patent: January 12, 2010
    Assignees: Samsung Electronic Co., Ltd., Korea Advanced Institute of Science and Technology (KAIST)
    Inventors: Myung-Hee Sung, Jin-Gook Kim, Joung-Ho Kim, Jong-Hoon Kim
  • Patent number: 7611940
    Abstract: Disclosed are a CMOS image sensor and a manufacturing method thereof.
    Type: Grant
    Filed: August 10, 2006
    Date of Patent: November 3, 2009
    Assignee: Dongbu Electronics Co., Ltd.
    Inventor: Joung Ho Lee
  • Publication number: 20090267148
    Abstract: A semiconductor integrated circuit device may include: a substrate that includes a high-voltage device region and a low-voltage device region defined on the substrate; a first buried impurity layer formed in at least a portion of the high-voltage device region and coupled to a first voltage; a second buried impurity layer formed in at least a portion of the low-voltage device region and coupled to a second voltage less than the first voltage; and a well formed on the second buried impurity layer in the low-voltage device region and coupled to a third voltage less than the second voltage.
    Type: Application
    Filed: March 19, 2009
    Publication date: October 29, 2009
    Inventors: Yong-Don Kim, Yong-Chan Kim, Joung-Ho Kim, Mueng-Ryul Lee, Eung-Kyu Lee, Jong-Wook Lim
  • Publication number: 20090166777
    Abstract: Embodiments relate to an image sensor and a method of manufacturing an image sensor. According to embodiments, an image sensor may include a gate over a semiconductor substrate, a first impurity region over the semiconductor substrate, a second impurity region over the semiconductor substrate, the second impurity region being shallower than the first impurity region, and a third impurity region formed in the first impurity region, and bent toward the gate at a predetermined angle. According to embodiments, the third impurity region may be an n-type impurity region. According to embodiments, an area of a photodiode may be increased and a transfer efficiency of electrons generated from a photodiode may be increased.
    Type: Application
    Filed: December 27, 2008
    Publication date: July 2, 2009
    Inventor: Joung-Ho Lee
  • Patent number: 7545020
    Abstract: Embodiments relate to a CMOS image sensor. In embodiments, the CMOS image sensor may include a semiconductor substrate, a photodiode, a first conduction type impurity region, a first insulating layer, a conduction layer, and a second insulating layer. The semiconductor substrate may have a trench in which a device isolation layer is to be formed. The photodiode may be formed in an active region of the semiconductor substrate, and the first conduction type impurity region may be formed in sidewalls of the trench. The first insulating layer may be formed inside the trench, and a conduction layer may be formed inside the trench and doped with second conduction type impurities. A second insulating layer may be formed inside the trench.
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: June 9, 2009
    Assignee: Dongbu HiTek Co., Ltd.
    Inventor: Joung Ho Lee
  • Publication number: 20090009434
    Abstract: An address driver includes an energy recovery circuit and an output stage connected to the energy recovery circuit. The output stage is connected to the energy recovery circuit and is formed of a pull-up MOS transistor and a pull-down MOS transistor in series. A source terminal of the pull-up MOS transistor is connected to the energy recovery circuit, and a bulk terminal of the pull-up MOS transistor is connected to a node providing a reverse bias between the source terminal and the bulk terminal of the pull-up MOS transistor. A display device employing the address driver is also provided.
    Type: Application
    Filed: June 26, 2008
    Publication date: January 8, 2009
    Inventors: Yong-Don Kim, Joung-Ho Kim, Mueng-Ryul Lee, Yong-Chan Kim, Sun-Hak Lee
  • Patent number: 7405799
    Abstract: An LCD device and a method of manufacturing the same are disclosed, which prevents a liquid crystal from being filled imperfectly or excessively in an active region, thereby obtaining a uniform cell gap and improving picture quality characteristics. The LCD device includes a lower substrate and an upper substrate, a UV sealant between the lower and upper substrates, the UV sealant having a portion for controlling a liquid crystal flow at four corner regions, and a liquid crystal layer between the lower and upper substrates.
    Type: Grant
    Filed: December 6, 2004
    Date of Patent: July 29, 2008
    Assignee: LG Display Co., Ltd.
    Inventors: Joung Ho Ryu, Hyug Jin Kweon, Hae Joon Son
  • Publication number: 20080170197
    Abstract: Disclosed is a system for fabricating a liquid crystal display using liquid crystal dropping and a method of fabricating a liquid crystal display using the same. The present invention includes a liquid crystal forming line dropping liquid crystals on the first substrate, a sealant forming line forming the sealant on the second substrate, and a bonding and hardening line bonding the two substrates to each other and hardening the sealant, printing a sealant, bonding the substrates each other, and hardening the sealant and an inspection process line of cutting the bonded substrates into panel units and grinding and inspecting the unit panels.
    Type: Application
    Filed: May 31, 2007
    Publication date: July 17, 2008
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Yong Sang Byun, Moo Yeol Park, Sung Su Jung, Sung Chun Kang, Jong Woo Kim, Young Hun Ha, Sang Seok Lee, Sang Ho Park, Hun Jun Choo, Hyug Jin Kweon, Kyung Su Chae, Hae Joon Son, Sang Sun Shin, Jong Go Lim, Wan Soo Kim, Young Hun Jeung, Joung Ho Ryu, Ji Heum Uh, Im Su Lee
  • Publication number: 20080160731
    Abstract: A method for fabricating a Complementary Metal Oxide Semiconductor (CMOS) image sensor includes implanting first conductive type dopants into a semiconductor substrate and forming a photodiode region in a surface of the semiconductor substrate, performing spike annealing to the semiconductor substrate having the photodiode region formed thereon, to thereby suppress diffusion of the first conductive type dopants and remove an interstitial between lattices, and implanting second conductive type dopants into an upper part of the photo diode region to form a second conductive type diffusion region.
    Type: Application
    Filed: July 16, 2007
    Publication date: July 3, 2008
    Applicant: Dongbu HiTek Co., Ltd.
    Inventor: Joung Ho LEE
  • Publication number: 20080157138
    Abstract: A complementary metal oxide semiconductor (CMOS) image sensor (CIS) and a method for fabricating the same. A method for fabricating a CIS includes implanting first conductive type dopants in a semiconductor substrate to form a photodiode region in a surface of the semiconductor substrate, implanting second conductive type dopants in the photo diode region to form a second conductive type diffusion region, and implanting fluorine ions in the second conductive type diffusion region to form a fluorine diffusion region.
    Type: Application
    Filed: August 28, 2007
    Publication date: July 3, 2008
    Applicant: DONGBU HITEK CO., LTD.
    Inventor: Joung Ho LEE
  • Patent number: 7384485
    Abstract: A liquid crystal dispensing system includes a liquid crystal material container to contain liquid crystal, the liquid crystal material container provided with a first code corresponding to liquid crystal information; a reading unit to read the recognition code; a discharge pump to draw in and discharge liquid crystal from the liquid crystal material container; and a nozzle to dispense liquid crystal from the discharge pump onto a substrate.
    Type: Grant
    Filed: June 24, 2004
    Date of Patent: June 10, 2008
    Assignee: LG Display Co., Ltd.
    Inventors: Joung-Ho Ryu, Soo-Min Kwak, Hae-Joon Son
  • Publication number: 20080118654
    Abstract: A liquid crystal dispensing system includes a container to contain liquid crystal to be dispensed, a discharge pump to receive the liquid crystal from the container and to discharge the liquid crystal, a nozzle to dispense the liquid crystal discharged from the discharge pump onto a substrate, and a control unit to control a dispensing amount of liquid crystal discharged from the discharge pump and to compensate the dispensing amount when the dispensing amount of liquid crystal exceeds a limitation value.
    Type: Application
    Filed: December 4, 2007
    Publication date: May 22, 2008
    Inventors: Joung-Ho Ryu, Soo-Min Kwak, Hae-Joon Son, Man-Ho An, Joon-Young Kim, Do-Hyun Ryu, Seung-Soo Lee