Patents by Inventor Chul-Woo Jeong

Chul-Woo Jeong 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).

  • Publication number: 20140362126
    Abstract: An organic light emitting diode (OLED) display includes a substrate and a display unit. The substrate includes a flat portion and a curved portion. The display unit includes pixels configured to display an image. At least some of the pixels are disposed in association with the flat portion and at least some of the pixels are disposed in association with the curved portion. The display unit includes first driving power lines connected to the pixels disposed in association with the flat portion and second driving power lines connected to the pixels disposed in association with the curved portion. The first driving power lines are configured to transmit a first power source voltage and the second driving power lines are configured to transmit a second power source voltage. The first power source voltage and the second power source voltage are different.
    Type: Application
    Filed: October 21, 2013
    Publication date: December 11, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Chul-Woo JEONG, Soon-Ryong PARK, Woo-Suk JUNG, Jung-Ho SO, Tae-Eun KIM
  • Publication number: 20140347576
    Abstract: In an aspect, a display device including a display panel, a first protecting film attached under the display panel, and a second protecting film attached on the second protecting film, in which at least any one of the first and second protecting films includes a retardation layer is provided.
    Type: Application
    Filed: September 18, 2013
    Publication date: November 27, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Chul-Woo Jeong, Soon-Ryong Park, Seok-Gi Baek, Jung-Ho So, Tae-Eun Kim
  • Publication number: 20140346474
    Abstract: Disclosed is an organic light emitting diode display including an organic light emitting display panel configured to display an image, and a lower passivation film attached to a bottom of the organic light emitting diode display panel. The lower passivation film includes a support film that is in contact with the organic light emitting diode display panel, and a stress adjustment layer formed beneath the support film and configured to reduce a bending stress to be induced in the organic light emitting display panel when the organic light emitting display panel and the lower passivation film are bent.
    Type: Application
    Filed: March 20, 2014
    Publication date: November 27, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Chul Woo JEONG, Soon Ryong PARK, Jung Ho SO, Seok Gi BAEK, Kwang Hyeok KIM, Jeong Yong EOM
  • Publication number: 20140306985
    Abstract: Provided are a flexible display device and a method of controlling the same. The flexible display device includes: a display unit including a first display area and a second display area bendable with respect to the first display area; and a control unit correcting at least one of a brightness and color coordinate of an image to be displayed in at least one of the first display area and the second display area according to a degree of bending between the first display area and the second display area.
    Type: Application
    Filed: September 14, 2013
    Publication date: October 16, 2014
    Inventors: Chul-Woo Jeong, Soon-Ryong Park, Woo-Suk Jung, Jung-Ho So, Tae-Eun Kim
  • Patent number: 8809838
    Abstract: Embodiments provide an organic light emitting diode display. The display includes a substrate, a pixel electrode formed on the substrate, and an organic emissive layer formed on the pixel electrode. A common electrode is formed on the organic emissive layer. In addition, a crystallized light scattering layer is formed on the common electrode. The crystallized light scattering layer may be a crystallized organic or crystallized inorganic layer having a rough surface in order to effectively scatter light and prevent phenomenon, such as Newton's Rings from occurring in the display.
    Type: Grant
    Filed: February 8, 2010
    Date of Patent: August 19, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Seong Jeong, Hee-Chul Jeon, Woo-Suk Jung, Chul-Woo Jeong, Noh-Min Kwak, Eun-Ah Kim, Soon-Ryong Park, Joo-Hwa Lee
  • Patent number: 8803167
    Abstract: An organic light emitting diode (OLED) display according to an exemplary embodiment includes a display substrate on which a plurality of organic light emitting diodes are formed; a conducting material layer contacting one of electrodes included in the organic light emitting diode; an encapsulation substrate facing the display substrate; and an anti-reflective light transmission layer that is formed on a surface of the encapsulation substrate and is connected to the conducting material layer.
    Type: Grant
    Filed: September 24, 2011
    Date of Patent: August 12, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Soo Koh, Chul-Woo Jeong, Tae-Gon Kim, Hee-Seong Jeong, Soon-Ryong Park, Woo-Suk Jung, Il-Ryong Cho, Tae-Kyu Kim, Jae-Yong Kim
  • Patent number: 8754404
    Abstract: An organic light emitting diode display including: a substrate; pixel electrodes formed on the substrate; a pixel defining layer having openings exposing the plurality of pixel electrodes, formed on the substrate; spacers formed on the pixel defining layer; organic emission layers formed on the pixel electrodes; a common electrode formed on the organic emission layers; and color filters formed on the common electrode, in the openings of the pixel defining layer.
    Type: Grant
    Filed: December 31, 2009
    Date of Patent: June 17, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Woo-Suk Jung, Hee-Seong Jeong, Soon-Ryong Park, Eun-Ah Kim, Hee-Chul Jeon, Chul-Woo Jeong, Joo-Hwa Lee, Noh-Min Kwak
  • Patent number: 8735872
    Abstract: An organic light emitting diode (OLED) display includes: a substrate including a first area and a second area; a first electrode at the first area of the substrate, and a first electrode at the second area of the substrate; a reflective electrode on the first electrode at the first area; a barrier rib on the substrate, the barrier rib having openings exposing the reflective electrode and the first electrode at the second area; an organic emission layer on the reflective electrode and the first electrode at the second area; a second electrode on the organic emission layer; and a reflective layer on the second electrode at the second area.
    Type: Grant
    Filed: August 2, 2011
    Date of Patent: May 27, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Gon Kim, Chul-Woo Jeong, Chi-Wook An
  • Patent number: 8717675
    Abstract: A polarizing film having a polyvinyl alcohol-based resin film on which an iodine-first component composite particle is absorbed and oriented. A first component is included in the iodine-first component composite particle prevents iodine having high sublimation characteristics from being sublimated and prevents a molecular structure of the iodine of the iodine-first component composite particle from being destroyed.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: May 6, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Soo Koh, Soon-Ryong Park, Chul-Woo Jeong, Hee-Seong Jeong, Woo-Suk Jung, Il-Ryong Cho, Tae-Kyu Kim, Jae-Yong Kim
  • Patent number: 8684780
    Abstract: An organic light emitting diode (OLED) display, a display device including the same, and associated methods, the OLED display including a substrate member, an organic light emitting element on the substrate member, and a liquid crystal polymer layer on the organic light emitting element, wherein the liquid crystal polymer layer is configured to delay a phase of light passing therethrough.
    Type: Grant
    Filed: August 21, 2009
    Date of Patent: April 1, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Ryong Park, Hee-Seong Jeong, Woo-Suk Jung, Hee-Chul Jeon, Eun-Ah Kim, Noh-Min Kwak, Chul-Woo Jeong, Joo-Hwa Lee
  • Patent number: 8680513
    Abstract: An organic light emitting diode display including: a substrate; a plurality of pixel electrodes formed on the substrate; a pixel defining layer formed on the substrate, having openings exposing the pixel electrodes; a plurality of spacers disposed on the pixel defining layer; organic emission layers formed on the pixel electrodes; a common electrode formed on the organic emission layers; and a capping layer formed on the common electrode, to cover the organic emission layers.
    Type: Grant
    Filed: December 31, 2009
    Date of Patent: March 25, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Woo-Suk Jung, Eun-Ah Kim, Soon-Ryong Park, Hee-Seong Jeong, Hee-Chul Jeon, Chul-Woo Jeong, Joo-Hwa Lee, Noh-Min Kwak
  • Patent number: 8664848
    Abstract: An organic light emitting display device comprises: a substrate; a plurality of thin film transistors (TFTs) formed on a first surface of the substrate; a passivation layer covering the plurality of TFTs; a plurality of first pixel electrodes formed on the passivation layer and respectively electrically connected to the plurality of TFTs, and overlapping with the plurality of TFTs so as to cover the plurality of TFTs, and including a reflection layer formed of a light-reflecting conductive material; a second pixel electrode formed of a light-transmitting conductive material and disposed on the passivation layer so as to be electrically connected to the plurality of first pixel electrodes; an opposite electrode formed such that light is transmitted or reflected therethrough, and disposed opposite the plurality of first pixel electrodes and the second pixel electrode; and an organic layer interposed between the plurality of first pixel electrodes and the second pixel electrode, and including an emission layer.
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: March 4, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Seong Jeong, Sung-Soo Koh, Chul-Woo Jeong, Soon-Ryong Park, Chi-Wook An, Moo-Soon Ko, Ok-Byoung Kim, Woo-Suk Jung, Il-Ryong Cho, Tae-Kyu Kim, Duk-Jin Lee
  • Patent number: 8610149
    Abstract: An organic light emitting diode display is disclosed. The display includes: a substrate; a first electrode positioned on the substrate; an organic emission layer positioned on the first electrode; a second electrode positioned on the organic emission layer; and a semi-transmissive layer positioned between the substrate and the first electrode and having a plurality of refractive layers having different refractive indices.
    Type: Grant
    Filed: December 9, 2010
    Date of Patent: December 17, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Seong Jeong, Sung-Soo Koh, Tae-Gon Kim, Seung-Yeon Cho, Chul-Woo Jeong, Jae-Yong Kim, Chi-Wook An, Moo-Soon Ko, Ok-Byoung Kim
  • Patent number: 8569947
    Abstract: An organic light emitting diode display includes a pixel having a plurality of sub-pixels. Each of the plurality of sub-pixels includes a first sub-pixel having a first anode and a first organic emission layer, a second sub-pixel having a second anode and a second organic emission layer, and a third sub-pixel having a third anode and a third organic emission layer. The first, second, and third anodes satisfy the following condition: W ? ? 1 + W ? ? 2 < 2 ? W ? ? 3 < 2 3 ? P where W1, W2, and W3 respectively denote the width of the first anode, the width of the second anode, and the width of the third anode measured along a direction traversing the first sub-pixel, the second sub-pixel, and the third sub-pixel and where P denotes a width of the pixel measure along the direction traversing the first sub-pixel, the second sub-pixel, and the third sub-pixel.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: October 29, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Chul Jeon, Noh-Min Kwak, Eun-Ah Kim, Soon-Ryong Park, Joo-Hwa Lee, Woo-Suk Jung, Chul-Woo Jeong, Hee-Seong Jeong
  • Patent number: 8550667
    Abstract: An optical film capable of preventing reflection of external light, and an organic light emitting display (OLED) apparatus including the same, are disclosed. The optical film is disposed on a substrate of an organic light emitting display, and comprises a first substrate, a first electrode, a light emitting unit comprising a plurality of organic light emitting elements, and a second electrode sequentially formed on the first substrate. The second substrate concentrates light emitted from the light emitting unit so as to emit outward, and absorbs external light so as to prevent the external light from being reflected.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: October 8, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Kyu Kim, Soon-Ryong Park, Chul-Woo Jeong, Hee-Seong Jeong, Woo-Suk Jung, Il-Ryong Cho, Sung-Soo Koh, Jae-Yong Kim
  • Patent number: 8525404
    Abstract: An OLED display includes: a thin film transistor including a gate electrode, a source electrode, and a drain electrode; a planarization layer on the thin film transistor and including a contact hole at least partially exposing the drain electrode; a pixel electrode on the planarization layer and coupled to the drain electrode of the thin film transistor through the contact hole; a pixel defining layer on the planarization layer and having an opening that exposes the pixel electrode; an organic emission layer on the pixel electrode; and a common electrode on the organic emission layer and the pixel defining layer. The pixel defining layer includes a corner-cube pattern facing the common electrode.
    Type: Grant
    Filed: June 4, 2009
    Date of Patent: September 3, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Chul Jeon, Eun-Ah Kim, Woo-Suk Jung, Soon-Ryong Park, Hee-Seong Jeong, Chul-Woo Jeong, Noh-Min Kwak, Joo-Hwa Lee
  • Patent number: 8525406
    Abstract: An OLED display includes a first substrate including a thin film transistor and an organic light emitting element and a second substrate facing the first substrate and having a gully pattern recessed on a surface facing the first substrate. By having the gully pattern on the second substrate, a mechanical strength of the OLED may be improved, and thus, the OLED may minimize the thickness without reducing the mechanical strength.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: September 3, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun-Ah Kim, Chul-Woo Jeong, Joo-Hwa Lee, Hee-Seong Jeong, Noh-Min Kwak, Soon-Ryong Park, Hee-Chul Jeon, Woo-Suk Jung
  • Patent number: 8525157
    Abstract: An OLED display and a manufacturing method thereof are disclosed. The OLED display includes: a first substrate, an organic light emitting diode formed over the first substrate, the organic light emitting diode including a reflective surface configured to reflect light incident to the organic light emitting diode, a phase delay capping layer formed over the organic light emitting diode, configured to input linearly polarized light and output circularly polarized light, a second substrate disposed over the phase delay capping layer, and a polarizing plate formed over the second substrate, configured to pass through only linearly polarized light.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: September 3, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Seong Jeong, Sung-Soo Koh, Tae-Gon Kim, Seung-Yeon Cho, Chul-Woo Jeong, Jae-Yong Kim
  • Patent number: 8519413
    Abstract: An organic light emitting diode display is disclosed. The display includes a substrate, a first electrode placed on the substrate, an organic emissive layer placed on the first electrode, a second electrode placed on the organic emissive layer, and a refractive layer disposed between the substrate and the first electrode. The refractive layer is greater in refractive index than the first electrode.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: August 27, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Seong Jeong, Sung-Soo Koh, Tae-Gon Kim, Seung-Yeon Cho, Chul-Woo Jeong, Jae-Yong Kim, Chi-Wook An, Moo-Soon Ko, Ok-Byoung Kim
  • Patent number: 8502753
    Abstract: An organic light emitting diode display is disclosed. The display includes a first semitransparent electrode, an organic emissive layer placed on the first semitransparent electrode, a second semitransparent electrode placed on the organic emissive layer, and a first selective reflection layer placed on the second semitransparent electrode.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: August 6, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hee-Seong Jeong, Sung-Soo Koh, Soon-Ryong Park, Woo-Suk Jung, Chul-Woo Jeong, Il-Ryong Cho, Tae-Kyu Kim, Jae-Yong Kim