Patents by Inventor Jae-Yong Park

Jae-Yong Park 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: 6806504
    Abstract: An active matrix organic electroluminescent device includes a substrate, a buffer layer on the substrate, a thin film transistor on the buffer layer, a passivation layer on an entire surface of the substrate covering the thin film transistor, a first electrode disposed on the passivation layer to contact the thin film transistor through a contact hole formed in the passivation layer, a first bank layer disposed on the first electrode and on the passivation layer, the first bank layer having a first bank opening exposing a portion of the first electrode, a second bank layer disposed on the first bank layer to have a second bank opening aligned with the first bank opening, an organic electroluminescent layer formed within the first bank opening to electrically contact the first electrode and the first bank layer, and a second electrode formed on the organic electroluminescent layer and on the second bank layer within the first and second bank openings.
    Type: Grant
    Filed: December 30, 2002
    Date of Patent: October 19, 2004
    Assignee: LG.Philips LCD Co., Ltd.
    Inventor: Jae-Yong Park
  • Publication number: 20040195959
    Abstract: A dual panel-type active matrix organic electroluminescent device includes a gate line disposed along a first direction on a first substrate, a data line disposed along a second direction on the first substrate, a power line disposed along the second direction on the first substrate and spaced apart from the data line to define a pixel region with the gate and data lines, the power line and the gate line both formed of a same material during a same process, a switching thin film transistor disposed on the first substrate near a crossing of the gate and data lines, a driving thin film transistor disposed on the first substrate near a crossing of the gate and power lines, a connecting pattern within the pixel region on the first substrate formed of an insulating material, and a connecting electrode disposed within the pixel region on the first substrate to cover the connecting pattern and electrically interconnecting the driving thin film transistor to an organic electroluminescent diode.
    Type: Application
    Filed: December 24, 2003
    Publication date: October 7, 2004
    Applicant: LG.Philips LCD Co., Ltd.
    Inventors: Jae-Yong Park, So-Haeng Cho
  • Patent number: 6781306
    Abstract: An organic electro-luminescence device that is adapted to improve its characteristic by using materials being different from each other and corresponding to each function for a formation of data lines, gate lines and supply voltage lines. The organic electro-luminescence device includes a plurality of gate lines for receiving scanning signal; a plurality of data lines for receiving data signal; and a plurality of supply voltage lines arranged alternatively with the data lines, wherein at least one of the gate line, the data line and the supply voltage line is a wiring formed from a metal material having a high melting point. The organic electro-luminescence device allows metal materials of high melting points for forming the gate line, the data line and the supply voltage line to be different from each other. Accordingly, the organic electro-luminescence device reduces defects that can be generated at the wiring formation. As a result, the organic electro-luminescence device can be highly productive.
    Type: Grant
    Filed: June 25, 2002
    Date of Patent: August 24, 2004
    Assignee: LG.Philips LCD Co., Ltd.
    Inventor: Jae Yong Park
  • Patent number: 6781320
    Abstract: An active matrix organic electroluminescence display device includes a substrate, a gate line on the substrate, a data line crossing the gate line, a power line on the substrate, a first switching thin film transistor electrically connected to the gate line and the data line, a first driving thin film transistor electrically connected to the first switching thin film transistor and the power line, a storage capacitor electrically connected to the first switching thin film transistor, the first driving thin film transistor and the power line, and an electroluminescent diode electrically connected to the first driving thin film transistor, wherein the electroluminescent diode includes a first electrode and a second electrode over the first electrode, and the first electrode covers the storage capacitor.
    Type: Grant
    Filed: December 24, 2002
    Date of Patent: August 24, 2004
    Assignee: LG. Philips LCD Co., Ltd.
    Inventors: Jae-Yong Park, Tae-Joon Ahn
  • Patent number: 6771328
    Abstract: In a multi-layered structure of the organic EL diode, a gate insulating layer is formed on a buffer layer. A first insulating layer is formed on the gate insulating layer. An anode is formed on the first insulating layer. Second and third insulating layers commonly having an open portion are sequentially formed on the anode. An organic EL layer and a cathode are connected to the anode through the open portion. The anode is connected to a drain electrode of a TFT through an anode contact hole and the TFT is insulated from the organic EL layer by the third insulating layer.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: August 3, 2004
    Assignee: LG. Philips LCD Co., Ltd.
    Inventors: Jae-Yong Park, Juhn-Suk Yoo, Sung-Ki Kim, Yong-In Park
  • Publication number: 20040145306
    Abstract: An organic electroluminescent display (ELD) device having a first substrate having an array element layer and a second substrate having an organic electroluminescent diode includes a gate line formed on the first substrate in a first direction, a data line formed on the first substrate in a second direction perpendicular to the first direction, a power supply line spaced apart from the data line and formed on the first substrate in the second direction, the power supply line being formed with same material as the gate line in a same process as the gate line, the power supply line having an additional power supply link line near a crossing portion of the gate line and the power supply line, a switching thin film transistor formed near a crossing portion of the gate and data lines, the switching thin film transistor having a semiconductor layer formed of amorphous silicon, a driving thin film transistor formed near a crossing portion of the switching thin film transistor and the power supply line, the driving t
    Type: Application
    Filed: December 23, 2003
    Publication date: July 29, 2004
    Applicant: LG.Philips LCD Co., Ltd.
    Inventors: Jae-Yong Park, So-Haeng Cho
  • Publication number: 20040142502
    Abstract: An active matrix type organic light emitting diode device and a thin film transistor thereof are disclosed in the present invention. The driving thin film transistor for an active matrix type organic light emitting diode (AMOLED) device having first and second electrodes spaced apart from each other and an organic light emitting layer disposed between the first and second electrodes includes a gate electrode on a substrate, a semiconductor layer over the gate electrode, and source and drain electrodes on the semiconductor layer, wherein the source and drain electrodes are spaced apart from each other and respectively overlap portions of the gate electrode, and an overlapping area between the gate electrode and the source electrode is larger than an overlapping area between the gate electrode and the drain electrode.
    Type: Application
    Filed: June 30, 2003
    Publication date: July 22, 2004
    Applicant: LG.Philips LCD Co., Ltd.
    Inventors: Juhn-Suk Yoo, Jae-Yong Park
  • Publication number: 20040135520
    Abstract: An organic electroluminescent device includes first and second substrates spaced apart from and facing each other, an organic electroluminescent diode on an inner surface of the second substrate, a gate line formed on an inner surface of the first substrate in a first direction, a data line formed in a second direction crossing the first direction, a power supply line spaced apart from the data line and formed in the second direction, the power supply line made of the same material as the gate line, the power supply line having a power supply link line near a crossing portion of the gate line and the power supply line, a switching thin film transistor at a crossing portion of the gate and data lines, the switching thin film transistor including a first semiconductor layer made of amorphous silicon, a driving thin film transistor at a crossing portion of the switching thin film transistor and the power supply line, the driving thin film transistor including a second semiconductor layer made of amorphous silico
    Type: Application
    Filed: December 23, 2003
    Publication date: July 15, 2004
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Jae-Yong Park, Kwang-Jo Hwang
  • Publication number: 20040135496
    Abstract: An organic electroluminescent device and methodology of fabricating the same includes first and second substrates facing and spaced apart from each other, the first and second substrates having a display region and a peripheral region, the display region including a plurality of pixel regions and a dummy pixel region; driving thin film transistors respectively adjacent to each of the plurality of pixel regions on the inner surface of the first substrate; first connection electrodes respectively connected to the driving thin film transistors; a first electrode on an entire inner surface of the second substrate; a sidewall on the first electrode at a boundary of each of the plurality of pixel regions and the dummy pixel region; an organic electroluminescent layer on the first electrode; second electrodes on the organic electroluminescent layer so that a second electrode is present in each of the plurality of pixel regions and the dummy pixel region, respectively, the second electrodes in each of the plurality o
    Type: Application
    Filed: December 24, 2003
    Publication date: July 15, 2004
    Applicant: LG Philips LCD Co., Ltd.
    Inventors: Jae-Yong Park, Choong-Keun Yoo, Ock-Hee Kim, Nam-Yang Lee
  • Publication number: 20040135164
    Abstract: An organic light emitting diode device includes an array layer having a plurality of thin film transistors, an organic light emitting diode formed on a second substrate, a plurality of connection patterns disposed between the first and second substrates, the connection pattern connecting a respective thin film transistor to the corresponding organic light emitting diode and a sealant between the first and second substrates, wherein each thin film transistor includes: a gate electrode on the first substrate, the gate electrode having an opening in the middle thereof; a gate insulating layer over the gate electrode; a semiconductor layer on the gate insulating layer above the gate electrode; a drain electrode on the semiconductor layer corresponding to the opening of the gate electrode; and first and second source electrodes formed respectively on both sides of the semiconductor layer and spaced apart from the drain electrode.
    Type: Application
    Filed: December 23, 2003
    Publication date: July 15, 2004
    Applicant: LG.Philips LCD Co., Ltd.
    Inventors: Jae-Yong Park, So-Haeng Cho
  • Publication number: 20040129936
    Abstract: An organic electroluminescent device includes first and second substrates facing and spaced apart from each other; a gate line on an inner surface of the first substrate; a semiconductor layer over the gate line, the semiconductor layer overlying a surface of the first substrate; a data line crossing the gate line; a data ohmic contact layer under the data line, the data ohmic contact layer having the same shape as the data line; a power line parallel to, or substantially parallel to, and spaced apart from the data line, the power line including the same material as the gate line; a switching thin film transistor connected to the gate line and the data line, the switching thin film transistor using the semiconductor layer as a switching active layer; a driving thin film transistor connected to the switching thin film transistor and the power line, the driving thin film transistor using the semiconductor layer as a driving active layer; a connection pattern connected to the driving thin film transistor, the co
    Type: Application
    Filed: December 22, 2003
    Publication date: July 8, 2004
    Applicant: LG.Philips LCD. Co., Ltd.
    Inventors: Jae-Yong Park, Kwang-Jo Hwang
  • Patent number: 6744217
    Abstract: An organic electro luminescence device includes a gate line for supplying a gate signal, a data line for supplying image information that crosses the gate line, a pixel area adjacent to where the gate line and the data line cross over each other, an organic emitting layer formed in the pixel area, a switching unit for switching image information supplied from the data line in response to the gate signal supplied from the gate line, a driving unit for applying an electric field across the organic emitting layer according to the image information supplied through the switching unit and a power line for providing the driving unit with a source voltage, wherein at least one of the gate line, data line and power line is a three-layer structure having an intermediate layer made of copper.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: June 1, 2004
    Assignee: LG.Philips LCD Co., Ltd.
    Inventor: Jae Yong Park
  • Patent number: 6744197
    Abstract: An organic electroluminescent display (ELD) device includes a first substrate, a second substrate spaced apart and facing the first substrate, a plurality of switching thin film transistors and a plurality of driving thin film transistors interconnected on the first substrate, each of the switching thin film transistor and the driving thin film transistor having an active layer, a gate electrode, a source electrode, and a drain electrode, the drain electrode of the driving thin film transistor being extended to the pixel region to have an extended portion, a contact electrode contacting the extended portion of the drain electrode of the driving thin film transistor, a first electrode formed on the second substrate, an organic light-emitting layer on the first electrode, and a second electrode on the organic light-emitting layer.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: June 1, 2004
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Jae-Yong Park, Nam-Yang Lee
  • Publication number: 20040100191
    Abstract: An organic electroluminescent device includes first and second substrates having pixel regions and a peripheral region, a first common electrode at the peripheral region on the first substrate, a driving thin film transistor (TFT) at each of the pixel regions on the first substrate, a first connection electrode connected to a drain electrode of the TFT, a second connection electrode connected to the first common electrode, a first electrode on the second substrate, isolating patterns on the first electrode corresponding to each border between the pixel regions, a first insulating pattern on the first electrode corresponding to the second connection electrode, partition walls on the isolating patterns, an organic luminescent layer on the first electrode, a second electrode on the organic luminescent layer connected to the first connection electrode at each of the pixel regions, and a first contacting electrode on the first insulating pattern contacting the first electrode.
    Type: Application
    Filed: November 20, 2003
    Publication date: May 27, 2004
    Applicant: LG.Philips LCD Co., Ltd.
    Inventor: Jae-Yong Park
  • Publication number: 20040090173
    Abstract: An organic electroluminescent display device includes first and second substrates bonded together, the first and second substrates having a plurality of pixel regions, each pixel region includes a central portion and first and second portions at both sides of the central portion, a driving element on an inner surface of the first substrate within each of the plurality of pixel regions, the driving element being disposed in the central portion, first and second connection electrodes contacting the driving element and disposed in the first and second portions, a first electrode on an inner surface of the second substrate, an organic electroluminescent layer on the first electrode, and a second electrode on the organic electroluminescent layer, the second electrode contacting the first and second connection electrodes.
    Type: Application
    Filed: October 30, 2003
    Publication date: May 13, 2004
    Applicant: LG.Philips LCD Co., Ltd.
    Inventors: Jae-Yong Park, So-Haeng Cho
  • Publication number: 20040080262
    Abstract: An organic electroluminescent display (ELD) device includes first and second substrates having a plurality of sub-pixels defined thereon, the first and second substrates being spaced apart from and opposing each other, an array element layer on the first substrate, the array element layer having a plurality of thin film transistors corresponding to each sub-pixel, a first electrode on an inner side of the second substrate, an organic light-emitting layer beneath the first electrode, a second electrode corresponding to each sub-pixel beneath the organic light-emitting layer, a plurality of electrical connecting patterns corresponding to each sub-pixel between the array element layer and the second electrode, the electrical connecting pattern being formed of material having a plastic deformation property, and a seal pattern formed on one of the first and second substrates, wherein a height of the electrical connecting pattern is smaller than an original height of the electrical connecting pattern measured befor
    Type: Application
    Filed: October 16, 2003
    Publication date: April 29, 2004
    Applicant: LG.Philips LCD Co., Ltd.
    Inventors: Jae Yong Park, Nam-Yang Lee, Budiman Sastra
  • Publication number: 20040080266
    Abstract: An active matrix organic electroluminescent display device includes a substrate including a light emitting region having sub pixel regions, a plurality of switching elements on the substrate in the sub pixel regions, a first passivation layer covering the plurality of switching elements and having a plurality of first contact holes exposing the plurality of switching elements, a plurality of first electrodes on the first passivation layer, each first electrode connected to each switching element through each first contact hole, a second passivation layer on the plurality of first electrodes, the second passivation layer having a plurality of openings exposing the plurality of first electrodes and covering edge portions of the plurality of first electrodes, a plurality of organic electroluminescent layers on the second passivation layer, each organic electroluminescent layer contacting each first electrode through each opening, and a second electrode on the plurality of organic electroluminescent layers, where
    Type: Application
    Filed: June 27, 2003
    Publication date: April 29, 2004
    Applicant: LG.Philips LCD Co., Ltd.
    Inventors: Jae-Yong Park, Choong-Keun Yoo, Ock-Hee Kim, Tae-Joon Ahn
  • Publication number: 20040069986
    Abstract: A dual panel-type organic electroluminescent display device includes a first substrate and a second substrate bonded together to include a plurality of sub-pixel regions, a first electrode on an inner surface of the second substrate, an insulating pattern on the first electrode along a border portion between adjacent sub-pixel regions, a plurality of partition walls on the insulating pattern, a plurality of organic electroluminescent layers, each within one of the sub-pixel regions between adjacent partition walls, a second electrode on the organic electroluminescent layer, a plurality of thin film transistors on an inner surface of the first substrate each within one of the sub-pixel regions, and including a semiconductor layer, a gate electrode, a source electrode, and a drain electrode, a passivation layer covering the thin film transistors and including a contact hole exposing the drain electrode, and a plurality of connection patterns on the passivation layer, each including a first pattern and a second
    Type: Application
    Filed: July 17, 2003
    Publication date: April 15, 2004
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Jae-Yong Park, Choong-Keun Yoo, Ock-Hee Kim, Nam-Yang Lee, Kwan-Soo Kim
  • Publication number: 20040066146
    Abstract: An organic electroluminescent device of the present invention includes: a gate line and a data line formed over a substrate, the gate and data lines perpendicularly crossing each other and defining a pixel therebetween; a first driving unit formed in the pixel and comprised of a first switching TFT and a first driving TFT; a power line delivering a current signal to the first driving TFT; an organic electroluminescent diode contacting the first driving TFT and receiving the current signal from the first driving TFT; and a second driving unit formed in the pixel and comprised of a second switching TFT and a second driving TFT, the second driving unit being a backup circuit that can deliver the current signal from the power line to the organic electroluminescent diode when the first driving unit malfunctions.
    Type: Application
    Filed: June 30, 2003
    Publication date: April 8, 2004
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Jae-Yong Park, Nam-Yang Lee, Juhn-Suk Yoo, In-Jae Chung
  • Publication number: 20040041147
    Abstract: An organic electro-luminescent display device and a method of fabricating the same are disclosed in the present invention. The organic electro-luminescent display device includes a plurality of pixels on a substrate, a thin film transistor coupled to each pixel, an organic electro-luminescent device coupled to the thin film transistor, a packaging layer on the organic electro-luminescent device, wherein the packaging layer comprises first and second inorganic layers having opposite stresses, and a first organic layer between the first and second inorganic layers.
    Type: Application
    Filed: June 30, 2003
    Publication date: March 4, 2004
    Applicant: LG.Philips LCD Co., Ltd.
    Inventor: Jae-Yong Park