Patents by Inventor Jin-Koo Chung

Jin-Koo Chung 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: 7812527
    Abstract: An organic electro-luminescent display device includes barriers in a non-display area to protect a display area from water and oxygen. Barriers may include a permeation prevention barrier, a voltage contact portion, and a blocking layer. A permeation prevention barrier includes contact portions where a barrier layer having a lower permeability than a passivation layer penetrates through the passivation layer. A voltage contact portion penetrates the passivation layer so that a signal supply line contacts a conductive material. A blocking layer covers a wall, a planarization layer, and an inorganic insulation layer, and has a lower permeability than the planarization layer, the wall, and the inorganic insulation layer. The permeation prevention barrier, the voltage contact portion, and the blocking layer may be used in various combinations.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: October 12, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hoon Kim, Jin Koo Chung, Won Hoe Koo, Jung Mi Choi
  • Publication number: 20100240160
    Abstract: A method of manufacturing a display device includes forming a thin film transistor on an insulating substrate, forming an electrode which is electrically connected with the thin film transistor, forming a wall which surrounds the electrode, supplying a first solvent to the electrode that is surrounded by the wall, and supplying ink which comprises an organic material and a second solvent to the electrode which has previously received the first solvent. Thus, the manufacturing method produces a display device which has a uniform organic layer.
    Type: Application
    Filed: June 4, 2010
    Publication date: September 23, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-won LEE, Jung-soo RHEE, Jin-koo CHUNG
  • Publication number: 20100194268
    Abstract: An organic light emitting display according to an exemplary embodiment of the present invention includes a first pixel to represent a white color, a second pixel to represent a different color from the first pixel, a pixel electrode disposed in each of the first and the second pixels, an organic light emitting member disposed on the pixel electrode, and a common electrode disposed on the organic light emitting member. The first pixel includes a first emission area and a first optical filter, and the second pixel includes a second emission area and a second optical filter.
    Type: Application
    Filed: July 16, 2009
    Publication date: August 5, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jun-Ho Choi, Seong-Min Kim, Jin-Koo Chung, Jae-Kook Ha
  • Patent number: 7764013
    Abstract: The invention provides a display apparatus comprising: a plurality of thin film transistors; a protective film formed on the thin film transistor; a plurality of pixel electrodes formed on the protective film and electrically connected with the thin film transistors; a partition wall layer partitioning the pixel electrodes adjacent to each other, the partition wall layer including a main exposure portion exposing the pixel electrode and a sub-exposure portion protruded and extended from the main exposure portion whereby the problem of non-uniform coating of ink in the corners of pixel electrodes is overcome.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: July 27, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-won Lee, Jung-soo Rhee, Jin-koo Chung, Jianpu Wang, Song-mi Hong
  • Publication number: 20100143587
    Abstract: A vapor deposition apparatus includes a linear head including a plurality of nozzles, and an angle controller controlling an inclined angle of the linear head. The angle of inclination of the linear head can be varied so as to position different portions of the linear head at different distances from the surface of a substrate.
    Type: Application
    Filed: August 4, 2009
    Publication date: June 10, 2010
    Inventors: Joo-Hyeon Lee, Jin-Koo Chung, Sung-Soo Lee
  • Patent number: 7732857
    Abstract: A TFT substrate with reduced pixel defect rate is presented. The TFT substrate includes a pixel electrode, a negative line to apply a reverse voltage to the pixel electrode, and a recovery transistor including a drain electrode overlapping a part of the negative line with a insulating layer disposed between the negative line and the drain electrode. A contact hole is formed on the negative line and the drain electrode, and a bridge electrode connects the negative line and the drain electrode through the contact hole. The thin film transistor substrate and a display apparatus presented herein protect a data line assembly metal layer and decrease pixel defect. An improved reverse voltage efficiency is applied to a pixel electrode to protect a drain electrode.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: June 8, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Song-mi Hong, Jung-soo Rhee, Beohm-rock Choi, Jin-koo Chung, Jianpu Wang, Dong-won Lee
  • Publication number: 20100102320
    Abstract: A display device is provided. The display device includes a substrate, a light blocking member formed on the substrate as a plurality of light blocking portions separated from each other, a thin film transistor including a gate line, a data line, and a semiconductor layer formed on the light blocking member, a plurality of color filters formed on the gate line, the data line, and the thin film transistor, a pixel electrode formed on the color filters and connected to the thin film transistor, and a light blocking filter covering a portion of a separation region separating the light blocking portions.
    Type: Application
    Filed: March 30, 2009
    Publication date: April 29, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin-Koo CHUNG, Jun-Ho Choi, Sung-Soo Lee
  • Publication number: 20100102333
    Abstract: An organic light emitting display includes an insulating substrate having a first area, a second area, and a third area, an organic layer located in the second area, a pixel electrode located on the organic layer in the first area and the second area, and a partition wall including an opening exposing a portion of the pixel electrode. The organic light emitting display further includes an organic light emitting member located in the opening and a common electrode located on the organic light emitting member. The opening is disposed in the first area, and the third area includes a trench separating the second area from an adjacent second area.
    Type: Application
    Filed: September 16, 2009
    Publication date: April 29, 2010
    Inventors: Jun-Ho CHOI, Seong-Min Kim, Jin-Koo Chung, Jae-Kook Ha
  • Patent number: 7703911
    Abstract: In an apparatus of forming a thin film, the apparatus has a printing chamber that forms a thin film on a substrate. The apparatus has at least two drying chambers that receive the substrate on which the thin film is formed and dry the thin film on the substrate. The two drying chambers may be independently controlled. Accordingly, the apparatus may reduce process time for forming the thin film without contamination of the substrate.
    Type: Grant
    Filed: July 21, 2008
    Date of Patent: April 27, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Koo Chung, Joon-Hoo Choi, Dong-Won Lee
  • Publication number: 20100084969
    Abstract: An organic light emitting display (OLED) includes a substrate, a first electrode, an organic light emitting layer, and a second electrode, which are sequentially formed on the substrate. The second electrode is formed by an imprint method to have different thickness in different regions thereof. Thus, an amount of light exiting the OLED increases because the second electrode is thinner in an area where the light exits, and an electrical resistance of the second electrode is reduced because the second electrode is thicker in the peripheral area.
    Type: Application
    Filed: October 1, 2009
    Publication date: April 8, 2010
    Inventors: Jun-Ho Choi, Jin-Koo Chung
  • Patent number: 7677195
    Abstract: In an apparatus for supplying a droplet on a substrate and a method of manufacturing a display apparatus, the apparatus includes a base body, a dropping unit and a vapor supplying unit. The base body corresponds to the substrate disposed on a stage. The dropping unit is disposed on the base body. The dropping unit includes a nozzle to drop the droplet on the substrate. The vapor supplying unit is disposed adjacent to the dropping unit to supply the droplet dropped onto the substrate with a volatile solvent vapor. Therefore, an evaporation rate of the droplet dropped onto pixels is adjusted to uniformize a thickness of the layer, thereby improving the image display quality.
    Type: Grant
    Filed: July 19, 2004
    Date of Patent: March 16, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Won Lee, Joon-Hoo Choi, Jin-Koo Chung
  • Publication number: 20100019660
    Abstract: In a method of manufacturing an organic light emitting display, an organic light emitting layer and a second electrode are sequentially formed on a first sub-electrode, and a laser beam is irradiated onto the organic light emitting layer to partially remove the organic light emitting layer, so that the first sub-electrode is electrically connected to the second electrode. Thus, even though the second electrode is formed to have a small thickness in order to maximize an amount of light that is generated by the organic light emitting layer and exits to an exterior through the second electrode, the second electrode is electrically connected to the first sub-electrode, thereby reducing an electrical resistance of the second electrode.
    Type: Application
    Filed: April 9, 2009
    Publication date: January 28, 2010
    Inventors: Sung-Soo LEE, Chang-Woong CHU, Jin-Koo CHUNG
  • Publication number: 20100012928
    Abstract: The present invention relates to an organic light emitting device and a manufacturing method thereof. The organic light emitting device according to an exemplary embodiment of the present invention includes a first thin film transistor disposed on a substrate, an organic layer disposed on the first thin film transistor, a pixel electrode disposed on the organic layer and connected to the first thin film transistor, a partition disposed on the pixel electrode and the organic layer, and an organic emission layer disposed on the pixel electrode and contacting the partition. The partition has an organic layer exposing hole that exposes a portion of the organic layer and an opening that exposes a portion of the pixel electrode.
    Type: Application
    Filed: December 8, 2008
    Publication date: January 21, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang-Pil LEE, Chang-Woong Chu, Jin-Koo Chung, Chang-Mo Park
  • Patent number: 7649312
    Abstract: An organic light emitting diode (OLED) display device with improved hole injection efficiency is presented, along with a method of making the display device. A thin film transistor (TFT) is formed on an insulating substrate. A pixel electrode is electrically connected to the TFT, and a hydrophilic wall is formed between the pixel electrode and an adjacent pixel electrode. A hole injecting layer and a first organic light emitting layer covering the pixel electrode and the hydrophilic wall and formed. Then, a second organic light emitting layer and a third organic light emitting layer are formed to partly cover the first organic light emitting layer.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: January 19, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ameen Khalil Saafir, Jin-koo Chung, Nam-deog Kim
  • Patent number: 7642712
    Abstract: A display device including a substrate, a first electrode formed over the substrate, and a partition member having a first aperture is provided. The display device further includes an emitting control layer covering a portion of the first aperture, thereby providing a second aperture to expose a portion of the first electrode, wherein the second aperture has a quadrangular shape with chamfered corners which help disperse organic material uniformly. Advantageously, the emitting control layer is formed of a material having an affinity to an organic material forming an organic light emitting layer within the second aperture, thereby helping to disperse the organic material uniformly and improve brightness uniformity.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: January 5, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Won Lee, Jianpu Wang, Jung-Soo Rhee, Jin-Koo Chung, Song-Mi Hong, Beohm-Rock Choi
  • Publication number: 20090266479
    Abstract: A transfer substrate includes a base layer, a light-reflecting layer pattern, a light-to-heat conversion layer and a transfer layer. The transfer layer is formed on the light-to-heat conversion layer. A line shaped laser beam may be scanned over the entire area of the transfer substrate to transfer designated portions of the transfer layer onto designated electrodes on an array substrate to make an organic electroluminescent display. Thus, processing time may be reduced, and an organic electroluminescent element may be efficiently formed on a large-size substrate.
    Type: Application
    Filed: February 27, 2009
    Publication date: October 29, 2009
    Inventors: Jin-Koo Chung, Chang-Woong Chu, Joo-Hyeon Lee
  • Publication number: 20090256477
    Abstract: The present invention relates to an organic light emitting device including a substrate, a first pixel electrode disposed on the substrate, a second pixel electrode disposed on the first pixel electrode and having a groove, a partition disposed on the second pixel electrode and having an opening exposing the groove, an organic light emitting member, and a common electrode disposed on the partition and the organic light emitting member. At least a portion of the organic light emitting member is disposed in the groove. The partition overlaps the groove to form a gap, and at least a portion of the organic light emitting member is disposed in the gap.
    Type: Application
    Filed: November 10, 2008
    Publication date: October 15, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jin-Koo Chung, Dong-Won Lee, Chang-Woong Chu
  • Publication number: 20090243470
    Abstract: An organic light-emitting substrate includes; a base substrate including a display area and a peripheral area formed around the display area, an organic light-emitting diode including a pixel electrode, a common electrode and an organic light-emitting part, the pixel electrode being formed in a unit pixel of the display area, the common electrode being formed over the display area, and the organic light-emitting part being disposed between the pixel electrode and the common electrode, a driving circuit part which applies driving current to the pixel electrode and is electrically connected to the pixel electrode, and a common voltage subsidiary line formed on substantially the same layer as the pixel electrode, spaced apart from the pixel electrode, disposed under the common electrode, and electrically connected to the common electrode.
    Type: Application
    Filed: January 21, 2009
    Publication date: October 1, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Woong CHU, Jin-Koo CHUNG, Chang-Mo PARK, Seong-Min KIM
  • Patent number: 7592635
    Abstract: Disclosed is an organic electroluminescent (EL) device for enhancing the luminous efficiency. A first electrode is formed on a substrate. A CVD insulating film of low dielectric constant having an opening exposing the first electrode is formed on the first electrode and the substrate. An organic EL layer and a second electrode are sequentially stacked on the opening. A wall surrounding a region of the organic EL layer is formed of the CVD insulating film of low dielectric constant, the surface treatment of the pixel electrode can be performed using O2 plasma enhance luminance properties.
    Type: Grant
    Filed: December 24, 2002
    Date of Patent: September 22, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Koo Chung, Beom-Rak Choi, Joon-Hoo Choi, Sang-Gab Kim, Hee-Hwan Choe
  • Publication number: 20090221209
    Abstract: In accordance with one or more embodiments of the present disclosure, a method of manufacturing a light-emitting element includes forming an anode on a substrate, forming a first transport layer including one or more first polar compounds on the anode, forming a first non-polar solvent layer on the first transport layer, forming a first polar solution layer including one or more light-emitting compounds on the first non-polar solution layer, drying a polar solvent of the first polar solution layer and the first non-polar solvent layer so that a light-emitting layer including the one or more light-emitting compounds is formed on the first transport layer and forming a cathode on the light-emitting layer. The cathode is disposed opposite to the anode. As such, damage to the first transport layer may be reduced when forming the light-emitting layer, which may improve the reliability and productivity of a manufacturing process.
    Type: Application
    Filed: January 21, 2009
    Publication date: September 3, 2009
    Inventors: Jae-Kook HA, Chang-Woong Chu, Jin-Koo Chung, Joo-Hyeon Lee