Patents by Inventor Jin-Hwan Jeon

Jin-Hwan Jeon 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: 7841919
    Abstract: Disclosed is a method of manufacturing the organic light emitting display apparatus. The method includes preparing a substrate and placing a mask over the substrate. A frit paste composition is disposed on the mask which has a patterned opening. The frit paste composition is pressed to land on the substrate to form a frit paste structure. The frit paste structure is pre-sintered. Another substrate on which an array of pixels is formed is arranged to oppose the substrate on which the frit structure is formed, and then the substrates are coupled with the frit structure.
    Type: Grant
    Filed: May 29, 2007
    Date of Patent: November 30, 2010
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Seung-Han Lee, Dong-Hyun Kang, Jin-Hwan Jeon, Jin-Woo Park, Sang-Wook Sin
  • Patent number: 7804480
    Abstract: A hybrid backlight driving apparatus for a liquid crystal display device for driving a backlight assembly is provided. The hybrid backlight assembly has a plurality of lamps and a plurality of light emitting diodes. The hybrid backlight driving apparatus, as embodied, includes: a lamp inverter for converting a first DC voltage into a lamp driving voltage and supplying the lamp driving voltage to the plurality of lamps; and a light emitting diode driver for converting the first DC voltage into a light emitting diode driving voltage and supplying the light emitting diode driving voltage to the plurality of light emitting diodes.
    Type: Grant
    Filed: June 12, 2006
    Date of Patent: September 28, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Jin Hwan Jeon, Hoon Jang
  • Publication number: 20100227524
    Abstract: A method of manufacturing an organic light emitting diode (OLED) display device including a first substrate having a pixel region, and a second substrate attached to the first substrate, to seal the pixel region, the method including: applying a frit to a region of the second substrate; applying a laser beam to the frit, to plasticize the frit; aligning the first substrate and the second substrate; and applying a laser beam to the frit, to attach the first and second substrates.
    Type: Application
    Filed: February 26, 2010
    Publication date: September 9, 2010
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Sun-Young Jung, Seung-Han Lee, Seung-Yong Song, Young-Seo Choi, Jin-Hwan Jeon, Oh-June Kwon, Young-Cheol Joo, Ji-Hun Ryu, Ji-Young Moon, Chang-Suk Park
  • Publication number: 20100134464
    Abstract: A liquid crystal display (LCD) device includes: a liquid crystal panel; a plurality of fluorescent lamps disposed under the liquid crystal panel, supplying light to the liquid crystal panel, and having electrodes provided at both ends thereof; a balance printed circuit board (PCB) disposed at both ends of the plurality of fluorescent lamps and including a clip fastened to be electrically connected with the electrodes of the fluorescent lamps; a power supply line printed on the balance PCB so as to be electrically connected to the clip and supplying power to the electrodes of the fluorescent lamps; a first voltage induction line printed with a first area on the balance PCB at a first interval from the power supply line; a second voltage induction line printed with a second area on the balance PCB at a second interval from the power supply line; and a light emitting diode (LED) mounted on the balance PCB and having an anode connected to the first voltage induction line and a cathode connected to the second volt
    Type: Application
    Filed: August 17, 2009
    Publication date: June 3, 2010
    Inventors: Jin-Hwan Jeon, Jong-Ho Lim, Byung-Sam Min
  • Patent number: 7717600
    Abstract: Disclosed is a backlight unit and an LCD device having the same. The backlight unit comprises a plurality of light sources for generating light, a light guide plate for converting linear light generated from the light source into planar light and irradiating the light onto an LCD panel, a plurality of optical patterns formed on the light guide plate, wherein the optical patterns have different sizes for uniformly applying light incident onto the LCD panel to the entire LCD panel, and a diffusion sheet for transmitting light emitted from the light guide plate in a direction substantially perpendicular to the LCD panel.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: May 18, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Dae-San Lim, In-Jae Chung, Jin-Hwan Jeon
  • Publication number: 20090283725
    Abstract: A photosensitive paste composition is provided. The photosensitive paste composition contains conductive powder, an inorganic binder, and an organic vehicle, wherein, assuming that 10% by weight of the particles consisting the conductive powder have a diameter less than D10 and 90% by weight of the particles have a diameter greater than D90, a difference between D10 and D90 is about 2.0 ?m or less. The photosensitive paste composition solves problems arising with use of conductive powder having a broad particle diameter distribution and satisfy requirements for an electrode's main characteristics, such as resistance, the anti-sanding property of terminal portions, and withstanding voltage characteristic. In addition, a PDP electrode using the photosensitive paste composition and a PDP including the PDP electrode can be manufactured.
    Type: Application
    Filed: July 30, 2009
    Publication date: November 19, 2009
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Beom-Wook Lee, Dong-Hee Han, Sang-Wook Sin, Jin-Hwan Jeon
  • Publication number: 20090278349
    Abstract: A tube connector for connecting a fluid supplying device to a tube for supplying the fluid from the fluid supplying device to the tube is provided, which comprises: a connector body comprising a penetration hole that is formed therein, a mounting portion for connecting the fluid supplying device thereto, and a tube connecting portion for connecting the tube thereto; a connecting unit disposed within the penetration hole for connecting the tube to the connector body; a valve unit disposed inside the penetration hole for controlling inflow of the fluid supplied from the fluid supplying device; a spacer having one end that contacts the tube inserted into the penetration hole within the penetration hole so as to operate the valve unit, and the other end that forms a passage between the other end and the valve unit; and a pressure control unit that is disposed between the valve unit and the spacer for controlling flow from the fluid supplying device in a predetermined pressure range.
    Type: Application
    Filed: November 17, 2008
    Publication date: November 12, 2009
    Applicant: HYUNDAI MOTOR COMPANY
    Inventor: Jin Hwan Jeon
  • Patent number: 7582404
    Abstract: A photosensitive paste composition is provided. The photosensitive paste composition contains conductive powder, an inorganic binder, and an organic vehicle, wherein, assuming that 10% by weight of the particles consisting the conductive powder have a diameter less than D10 and 90% by weight of the particles have a diameter greater than D90, a difference between D10 and D90 is about 2.0 ?m or less. The photosensitive paste composition solves problems arising with use of conductive powder having a broad particle diameter distribution and satisfy requirements for an electrode's main characteristics, such as resistance, the anti-sanding property of terminal portions, and withstanding voltage characteristic. In addition, a PDP electrode using the photosensitive paste composition and a PDP including the PDP electrode can be manufactured.
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: September 1, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Beom-Wook Lee, Dong-Hee Han, Sang-Wook Sin, Jin-Hwan Jeon
  • Patent number: 7442488
    Abstract: There is provided a positive type photosensitive paste composition for a plasma display panel (PDP) electrode, including a conductive powder, an inorganic binder, and a photosensitive vehicle. The photosensitive vehicle includes an organic binder represented by formula (1), a photoacid generator, a solvent, and other additives: where R1 is H or CH3; R2 is a saturated or unsaturated C1-C6 alkyl group or a C1-C6 group containing an ether group, a carbonyl group or an ester group; R3 is a group having a hydroxyl group; R4 is hydrogen or a group having a carboxylic group; and R5 is a protecting group. Further embodiments provide a film prepared with such a paste; as well as a PDP electrode prepared with such a paste and a PDP having one or more such electrodes.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: October 28, 2008
    Inventors: Beom-Wook Lee, Dong-Hee Han, Sang-Wook Sin, Jin-Hwan Jeon
  • Publication number: 20080164462
    Abstract: A light emitting device includes: a first substrate; a second substrate; a light emitting unit interposed between the first substrate and the second substrate; and a sealing material bonding the first substrate to the second substrate and sealing the light emitting unit. The sealing material comprises V+4. In addition, a glass frit, a composition for forming a sealing material, and a method of manufacturing a light emitting device using the composition for forming a sealing material are provided to obtain the light emitting device. The sealing material of the light emitting device can be easily formed by coating and irradiation of electro-magnetic waves, so that manufacturing costs are low and deterioration of the light emitting unit occurring when sealing material is formed can be substantially prevented. The sealing material has good sealing properties and thus a light emitting device including the sealing material has a long lifetime.
    Type: Application
    Filed: April 30, 2007
    Publication date: July 10, 2008
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Seung-Han Lee, Jong-Seo Choi, Jin-Hwan Jeon, Sang-Wook Sin
  • Publication number: 20080138653
    Abstract: Disclosed is a method of manufacturing the organic light emitting display apparatus. The method includes preparing a substrate and placing a mask over the substrate. A frit paste composition is disposed on the mask which has a patterned opening. The frit paste composition is pressed to land on the substrate to form a frit paste structure. The frit paste structure is pre-sintered. Another substrate on which an array of pixels is formed is arranged to oppose the substrate on which the frit structure is formed, and then the substrates are coupled with the frit structure.
    Type: Application
    Filed: May 29, 2007
    Publication date: June 12, 2008
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: SEUNG-HAN LEE, DONG-HYUN KANG, JIN-HWAN JEON, JIN-WOO PARK, SANG-WOOK SIN
  • Patent number: 7378801
    Abstract: A driving circuit for an inverter, including a rectification/smoothing unit rectifying and smoothing a first AC voltage to generate a DC voltage, and a DC/AC inverter inverting the DC voltage from the rectification/smoothing unit to a second AC voltage higher than the first AC voltage.
    Type: Grant
    Filed: June 24, 2005
    Date of Patent: May 27, 2008
    Assignee: LG. Philips LCD Co., Ltd.
    Inventor: Jin-Hwan Jeon
  • Patent number: 7274159
    Abstract: A backlight comprising a plurality of lamps, an A/D converter connected to the lamps in parallel to convert an inputted alternating current into a direct current and to provide the converted direct current to the lamps, a current measuring unit connected to the lamps in parallel to measure currents outputted from the lamps, and a controlling unit to control a current value to be applied to the lamps according to a current value inputted from the current measuring unit.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: September 25, 2007
    Assignee: LG.Philips LCD Co., Ltd.
    Inventor: Jin-Hwan Jeon
  • Publication number: 20070146565
    Abstract: A hybrid backlight driving apparatus for a liquid crystal display device for driving a backlight assembly is provided. The hybrid backlight assembly has a plurality of lamps and a plurality of light emitting diodes. The hybrid backlight driving apparatus, as embodied, includes: a lamp inverter for converting a first DC voltage into a lamp driving voltage and supplying the lamp driving voltage to the plurality of lamps; and a light emitting diode driver for converting the first DC voltage into a light emitting diode driving voltage and supplying the light emitting diode driving voltage to the plurality of light emitting diodes.
    Type: Application
    Filed: June 12, 2006
    Publication date: June 28, 2007
    Inventors: Jin Hwan Jeon, Hoon Jang
  • Publication number: 20060291252
    Abstract: Disclosed is a backlight unit and an LCD device having the same. The backlight unit comprises a plurality of light sources for generating light, a light guide plate for converting linear light generated from the light source into planar light and irradiating the light onto an LCD panel, a plurality of optical patterns formed on the light guide plate, wherein the optical patterns have different sizes for uniformly applying light incident onto the LCD panel to the entire LCD panel, and a diffusion sheet for transmitting light emitted from the light guide plate in a direction substantially perpendicular to the LCD panel.
    Type: Application
    Filed: December 30, 2005
    Publication date: December 28, 2006
    Inventors: Dae-San Lim, In-Jae Chung, Jin-Hwan Jeon
  • Publication number: 20060166113
    Abstract: A photosensitive paste composition for forming a black layer on top of plasma display panel (PDP) barrier ribs includes black pigment nanoparticles for contrast enhancement and a cyclic acid anhydride for fundamentally preventing the gelation of the paste composition. The photosensitive paste composition prevents electrical or optical crosstalk between adjacent discharge cells to achieve better contrast. The fundamental prevention of the gelation of the paste composition permits the paste composition to have good storage stability.
    Type: Application
    Filed: January 4, 2006
    Publication date: July 27, 2006
    Inventors: Beom-Wook Lee, Dong-Hee Han, Sang-Wook Sin, Jin-Hwan Jeon
  • Publication number: 20060145630
    Abstract: A driving circuit for an inverter, including a rectification/smoothing unit rectifying and smoothing a first AC voltage to generate a DC voltage, and a DC/AC inverter inverting the DC voltage from the rectification/smoothing unit to a second AC voltage higher than the first AC voltage.
    Type: Application
    Filed: June 24, 2005
    Publication date: July 6, 2006
    Inventor: Jin-Hwan Jeon
  • Publication number: 20060146567
    Abstract: A backlight comprising a plurality of lamps, an A/D converter connected to the lamps in parallel to convert an inputted alternating current into a direct current and to provide the converted direct current to the lamps, a current measuring unit connected to the lamps in parallel to measure currents outputted from the lamps, and a controlling unit to control a current value to be applied to the lamps according to a current value inputted from the current measuring unit.
    Type: Application
    Filed: June 29, 2005
    Publication date: July 6, 2006
    Inventor: Jin-Hwan Jeon
  • Publication number: 20060073412
    Abstract: There is provided a positive type photosensitive paste composition for a plasma display panel (PDP) electrode, including a conductive powder, an inorganic binder, and a photosensitive vehicle. The photosensitive vehicle includes an organic binder represented by formula (1), a photoacid generator, a solvent, and other additives: where R1 is H or CH3; R2 is a saturated or unsaturated C1-C6 alkyl group or a C1-C6 group containing an ether group, a carbonyl group or an ester group; R3 is a group having a hydroxyl group; R4 is hydrogen or a group having a carboxylic group; and R5 is a protecting group. Further embodiments provide a film prepared with such a paste; as well as a PDP electrode prepared with such a paste and a PDP having one or more such electrodes.
    Type: Application
    Filed: September 29, 2005
    Publication date: April 6, 2006
    Inventors: Beom-Wook Lee, Dong-Hee Han, Sang-Wook Sin, Jin-Hwan Jeon
  • Publication number: 20050287472
    Abstract: A photosensitive paste composition is provided. The photosensitive paste composition contains conductive powder, an inorganic binder, and an organic vehicle, wherein, assuming that 10% by weight of the particles consisting the conductive powder have a diameter less than D10 and 90% by weight of the particles have a diameter greater than D90, a difference between D10 and D90 is about 2.0 ?m or less. The photosensitive paste composition solves problems arising with use of conductive powder having a broad particle diameter distribution and satisfy requirements for an electrode's main characteristics, such as resistance, the anti-sanding property of terminal portions, and withstanding voltage characteristic. In addition, a PDP electrode using the photosensitive paste composition and a PDP including the PDP electrode can be manufactured.
    Type: Application
    Filed: June 22, 2005
    Publication date: December 29, 2005
    Inventors: Beom-Wook Lee, Dong-Hee Han, Sang-Wook Sin, Jin-Hwan Jeon