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: 20160043337
    Abstract: A display device includes a display panel, a top member, and a bottom member. The top member is disposed on the display panel, and has a first groove region where at least a portion of an upper surface of the display panel is exposed. The bottom member is disposed under the display panel, and has a second groove region where at least a portion of a lower surface of the display panel is exposed. The first and second groove regions are located at a bending region of the display device.
    Type: Application
    Filed: October 19, 2015
    Publication date: February 11, 2016
    Inventors: Jun Namkung, Kwang-Hyeok Kim, Soon-Ryong Park, Jung-Ho So, Chul-Woo Jeong
  • Patent number: 9257677
    Abstract: An organic light emitting diode display is provided. The organic light emitting diode display includes a flexible substrate, an organic light emitting diode disposed on the flexible substrate, a thin film encapsulator disposed on the organic light emitting diode, a plurality of low refraction protrusions disposed on at least one of a surface of the flexible substrate and the thin film encapsulator, wherein each of the low refraction protrusions is formed having an isosceles trapezoid shape, and a high refraction layer disposed covering the plurality of low refraction protrusions.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: February 9, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Soon-Ryong Park, Tae-Eun Kim, Hye-Jung Park, Woo-Suk Jung, Chul-Woo Jeong
  • Patent number: 9203050
    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: Grant
    Filed: March 20, 2014
    Date of Patent: December 1, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Chul Woo Jeong, Soon Ryong Park, Jung Ho So, Seok Gi Baek, Kwang Hyeok Kim, Jeong Yong Eom
  • Patent number: 9196848
    Abstract: A display device includes a display panel, a top member, and a bottom member. The top member is disposed on the display panel, and has a first groove region where at least a portion of an upper surface of the display panel is exposed. The bottom member is disposed under the display panel, and has a second groove region where at least a portion of a lower surface of the display panel is exposed. The first and second groove regions are located at a bending region of the display device.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: November 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Kwang-Hyeok Kim, Soon-Ryong Park, Jung-Ho So, Chul-Woo Jeong
  • Publication number: 20150263300
    Abstract: A display device includes a display panel, a top member, and a bottom member. The top member is disposed on the display panel. The bottom member is disposed under the display panel, and includes a plurality of layers. At least one of the layers has an opening at a bending region of the display device.
    Type: Application
    Filed: May 29, 2015
    Publication date: September 17, 2015
    Inventors: Jun Namkung, Kwang-Hyeok Kim, Soon-Ryong Park, Jung-Ho So, Chul-Woo Jeong
  • Publication number: 20150263301
    Abstract: A display device includes a display panel, a top member, and a bottom member. The top member is disposed on the display panel, and has a first groove region where at least a portion of an upper surface of the display panel is exposed. The bottom member is disposed under the display panel, and has a second groove region where at least a portion of a lower surface of the display panel is exposed. The first and second groove regions are located at a bending region of the display device.
    Type: Application
    Filed: May 29, 2015
    Publication date: September 17, 2015
    Inventors: Jun Namkung, Kwang-Hyeok Kim, Soon-Ryong Park, Jung-Ho So, Chul-Woo Jeong
  • Patent number: 9130192
    Abstract: A organic light emitting diode display including an organic light emitting display panel displaying an image, and a lower passivation film attached to a bottom of the organic light emitting panel and including a polymer resin and an antistatic agent, wherein the lower passivation film includes a plurality of stress adjustment patterns disposed to be adjacent to each other wherein decreasing the bending interval between the bending stress adjustment patterns formed at the lower passivation film processed with the antistatic agent and attached at the position corresponding to the bending portion of the organic light emitting panel, thereby selectively minimizes the stress of the bending portion of the organic light emitting panel, therefore, asymmetry of strains of the bending portions of the organic light emitting display panel can be prevented to remove a picture abnormality, and static electricity may be prevented.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: September 8, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Woo Kim, Soon Ryong Park, Ju Yeop Seong, Yong Hoon Chun, Chul Woo Jeong
  • Publication number: 20150227172
    Abstract: Provided is a display device including: a bottom member; a display panel on the bottom member, the display panel configured to emit light; a top member on the display panel; a touch screen panel on the top member; and a groove region formed by removing at least a portion of at least one of the top member and the bottom member at a bent portion of the display device.
    Type: Application
    Filed: October 24, 2014
    Publication date: August 13, 2015
    Inventors: Jun Namkung, Soon-Ryong Park, Seok-Gi Baek, Chul-Woo Jeong
  • Publication number: 20150212548
    Abstract: A flexible display device includes a display panel including a flexible substrate, a display layer on the flexible substrate and including an electro-optical active layer, an encapsulation layer on the display layer, and a touch electrode layer. The touch electrode layer may include a first touch electrode layer under the display layer and including a plurality of first touch electrodes and a plurality of first touch signal lines coupled to the first touch electrodes, and a second touch electrode layer on the display layer such that the display layer is between the first touch electrode layer and the second touch electrode layer and including a plurality of second touch electrodes and a plurality of second touch signal lines coupled to the second touch electrodes.
    Type: Application
    Filed: August 6, 2014
    Publication date: July 30, 2015
    Inventors: Jun Namkung, Soon Ryong Park, Chul Woo Jeong
  • Patent number: 9048443
    Abstract: A display device includes a bottom member, a display panel, a top member and a groove region. The display panel is disposed on the bottom member, and includes an organic layer. The top member is disposed on the display panel. The groove region is formed by removing at least one of the top member or the bottom member at a bending region of the display device.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: June 2, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Kwang-Hyeok Kim, Soon-Ryong Park, Jung-Ho So, Chul-Woo Jeong
  • Publication number: 20150115248
    Abstract: A display device includes a display panel configured to display an image, and a protection film coupled to a lower portion of the display panel. The protection film includes a support film contacting the display panel and a stress control layer below the support film, and the stress control layer includes a plurality of nanobeads.
    Type: Application
    Filed: July 29, 2014
    Publication date: April 30, 2015
    Inventors: Yong Hoon Chun, Soon Ryong Park, Seok Gi Baek, Jung Ho So, Chul Woo Jeong
  • Publication number: 20150102296
    Abstract: A organic light emitting diode display including an organic light emitting display panel displaying an image, and a lower passivation film attached to a bottom of the organic light emitting panel and including a polymer resin and an antistatic agent, wherein the lower passivation film includes a plurality of stress adjustment patterns disposed to be adjacent to each other wherein decreasing the bending interval between the bending stress adjustment patterns formed at the lower passivation film processed with the antistatic agent and attached at the position corresponding to the bending portion of the organic light emitting panel, thereby selectively minimizes the stress of the bending portion of the organic light emitting panel, therefore, asymmetry of strains of the bending portions of the organic light emitting display panel can be prevented to remove a picture abnormality, and static electricity may be prevented.
    Type: Application
    Filed: March 24, 2014
    Publication date: April 16, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Sang Woo Kim, Soon Ryong Park, Ju Yeop Seong, Yong Hoon Chun, Chul Woo Jeong
  • Publication number: 20150102298
    Abstract: A flexible display panel and a manufacturing method which is capable of removing a non-display area without damaging a display element layer, the flexible display panel includes a flexible substrate which includes a display area and a peripheral area outside of the display area, a display element layer disposed on the flexible substrate, and a neutral plane balancing layer disposed on the display element layer in the peripheral area, wherein the peripheral area of the flexible substrate in which the neutral plane balancing layer is disposed is folded towards a rear side of the display area along a first bending line, and the neutral plane balancing layer overlaps the first bending line.
    Type: Application
    Filed: April 18, 2014
    Publication date: April 16, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Namkung, Soon Ryong Park, Chul Woo Jeong
  • Patent number: 8998446
    Abstract: An optical film and an organic light emitting display apparatus including the optical film are disclosed. In one embodiment, the optical film is formed on a substrate of the organic light emitting display, and the substrate is configured to transmit light, emitted from an organic light emission unit of the display, toward the optical film. Further, the optical film is configured to absorb ambient light via a first portion, and the optical film is further configured to at least partially transmit light emitted from the organic light emission unit to the environment via a second portion.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: April 7, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul-Woo Jeong, Soon-Ryong Park, Hee-Seong Jeong, Woo-Suk Jung, Tae-Kyu Kim, Il-Ryong Cho, Duk-Jin Lee, Sung-Soo Koh
  • Publication number: 20150077953
    Abstract: A display apparatus may include a substrate, a pad unit on the substrate, a display panel on the substrate, an encapsulation layer covering the display panel, and a protective layer on the pad unit. The protective layer may have an elastic coefficient ranging from about 10 MPa to about 200 GPa.
    Type: Application
    Filed: July 1, 2014
    Publication date: March 19, 2015
    Inventors: Jun NAMKUNG, Soon-Ryong PARK, Ju-Yeop SEONG, Jung-Ho SO, Eun-Yong JEON, Seok-Gi BAEK, Kwang-Hyeok KIM, Chul-Woo JEONG
  • Patent number: 8981349
    Abstract: An organic light emitting diode display device constructed with an organic light emitting element including a first electrode, an organic emission layer, and a second electrode sequentially laminated together, a transmittance control layer formed on the organic light emitting element, a selective reflective layer formed on the transmittance control layer, a polarizing plate formed on the selective reflective layer, and a phase retardation plate disposed between the organic light emitting element and the polarizing plate.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: March 17, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-Ryong Park, Hee-Seong Jeong, Woo-Suk Jung, Jae-Yong Kim, Joo-Hwa Lee, Chul-Woo Jeong, Hee-Chul Jeon, Eun-Ah Kim, Noh-Min Kwak
  • Patent number: 8957437
    Abstract: An OLED display including: a substrate main body; a first transflective electrode formed on the substrate main body; an organic emission layer formed on the first transflective electrode; a second transflective electrode formed on the organic emission layer; and a dual brightness enhancement film (DBEF) disposed on a dual brightness enhancement film (DBEF) on at least one of a side of the first transflective electrode facing away from the organic emission layer, or a side of the second transflective electrode facing away from the organic emission layer.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: February 17, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Soo Koh, Hee-Seong Jeong, Chul-Woo Jeong, Soon-Ryong Park, Woo-Suk Jung, Il-Ryong Cho, Tae-Kyu Kim, Jae-Yong Kim
  • Publication number: 20150041779
    Abstract: An organic light emitting diode display is provided. The organic light emitting diode display includes a flexible substrate, an organic light emitting diode disposed on the flexible substrate, a thin film encapsulator disposed on the organic light emitting diode, a plurality of low refraction protrusions disposed on at least one of a surface of the flexible substrate and the thin film encapsulator, wherein each of the low refraction protrusions is formed having an isosceles trapezoid shape, and a high refraction layer disposed covering the plurality of low refraction protrusions.
    Type: Application
    Filed: July 24, 2014
    Publication date: February 12, 2015
    Inventors: Soon-Ryong PARK, Tae-Eun KIM, Hye-Jung PARK, Woo-Suk JUNG, Chul-Woo JEONG
  • Publication number: 20150014644
    Abstract: A display device includes a bottom member, a display panel, a top member and a groove region. The display panel is disposed on the bottom member, and includes an organic layer. The top member is disposed on the display panel. The groove region is formed by removing at least one of the top member or the bottom member at a bending region of the display device.
    Type: Application
    Filed: December 23, 2013
    Publication date: January 15, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Kwang-Hyeok Kim, Soon-Ryong Park, Jung-Ho So, Chul-Woo Jeong
  • Publication number: 20150007669
    Abstract: A measurement pigment composition including pigment particles may be coated on a surrounding area of a display panel to form a strain measuring part. A strain of the display device may be measured by using 3D images of the strain measuring part.
    Type: Application
    Filed: June 11, 2014
    Publication date: January 8, 2015
    Inventors: Chul-Woo Jeong, Soon-Ryong Park, Seok-Gi Baek, Jung-Ho So, Tae-Eun Kim