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).

  • Patent number: 10038161
    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: April 3, 2017
    Date of Patent: July 31, 2018
    Assignee: 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: 20180159055
    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: January 15, 2018
    Publication date: June 7, 2018
    Inventors: Jun Namkung, Soon Ryong Park, Chul Woo Jeong
  • Patent number: 9991467
    Abstract: A display device includes a flexible substrate having a display area for displaying an image, and a pad area adjacent the display area, a circuit film coupled to the flexible substrate at the pad area, and a passivation layer on at least a part of the circuit film and at part of the pad area.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: June 5, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Soon Ryong Park, Chul Woo Jeong
  • Patent number: 9939846
    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: Grant
    Filed: October 24, 2014
    Date of Patent: April 10, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Soon-Ryong Park, Seok-Gi Baek, Chul-Woo Jeong
  • Patent number: 9882152
    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: Grant
    Filed: April 18, 2014
    Date of Patent: January 30, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Soon Ryong Park, Chul Woo Jeong
  • Patent number: 9741952
    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: Grant
    Filed: April 21, 2016
    Date of Patent: August 22, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Kwang-Hyeok Kim, Soon-Ryong Park, Jung-Ho So, Chul-Woo Jeong
  • Patent number: 9718263
    Abstract: Provided is a manufacturing method of a flexible display device, including locally deforming a transparent window; attaching a contractive film to a flexible display panel including a display area implementing an image; bending the flexible display panel by applying energy to the contractive film; and attaching the flexible display panel to the transparent window.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: August 1, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Namkung, Soon Ryong Park, Chul Woo Jeong
  • Publication number: 20170207412
    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: April 3, 2017
    Publication date: July 20, 2017
    Inventors: Chul Woo JEONG, Soon Ryong PARK, Jung Ho SO, Seok Gi BAEK, Kwang Hyeok KIM, Jeong Yong EOM
  • Publication number: 20170207423
    Abstract: An organic light emitting diode (OLED) display includes a substrate where OLEDs are formed and an encapsulation member fixed onto the substrate while covering the OLEDs. The encapsulation member includes a photochromic material so that the encapsulation member is colored by external light.
    Type: Application
    Filed: March 29, 2017
    Publication date: July 20, 2017
    Inventors: Soon-Ryong Park, Woo-Suk Jung, Hee-Chul Jeon, Eun-Ah Kim, Hee-Seong Jeong, Noh-Min Kwak, Chul-Woo Jeong, Joo-Hwa Lee
  • Patent number: 9658145
    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: Grant
    Filed: June 11, 2014
    Date of Patent: May 23, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul-Woo Jeong, Soon-Ryong Park, Seok-Gi Baek, Jung-Ho So, Tae-Eun Kim
  • Patent number: 9634284
    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: Grant
    Filed: July 29, 2014
    Date of Patent: April 25, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong Hoon Chun, Soon Ryong Park, Seok Gi Baek, Jung Ho So, Chul Woo Jeong
  • Patent number: 9614167
    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: November 30, 2015
    Date of Patent: April 4, 2017
    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: 9570693
    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: October 19, 2015
    Date of Patent: February 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Kwang-Hyeok Kim, Soon-Ryong Park, Jung-Ho So, Chul-Woo Jeong
  • Patent number: 9570042
    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: Grant
    Filed: September 14, 2013
    Date of Patent: February 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul-Woo Jeong, Soon-Ryong Park, Woo-Suk Jung, Jung-Ho So, Tae-Eun Kim
  • Publication number: 20160329520
    Abstract: A display device includes a flexible substrate having a display area for displaying an image, and a pad area adjacent the display area, a circuit film coupled to the flexible substrate at the pad area, and a passivation layer on at least a part of the circuit film and at part of the pad area.
    Type: Application
    Filed: December 1, 2015
    Publication date: November 10, 2016
    Inventors: Jun Namkung, Soon Ryong Park, Chul Woo Jeong
  • Publication number: 20160308152
    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: April 21, 2016
    Publication date: October 20, 2016
    Inventors: Jun Namkung, Kwang-Hyeok Kim, Soon-Ryong Park, Jung-Ho So, Chul-Woo Jeong
  • Patent number: 9466241
    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: Grant
    Filed: October 21, 2013
    Date of Patent: October 11, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chul-Woo Jeong, Soon-Ryong Park, Woo-Suk Jung, Jung-Ho So, Tae-Eun Kim
  • Patent number: 9324959
    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: Grant
    Filed: May 29, 2015
    Date of Patent: April 26, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Namkung, Kwang-Hyeok Kim, Soon-Ryong Park, Jung-Ho So, Chul-Woo Jeong
  • Publication number: 20160101610
    Abstract: Provided is a manufacturing method of a flexible display device, including locally deforming a transparent window; attaching a contractive film to a flexible display panel including a display area implementing an image; bending the flexible display panel by applying energy to the contractive film; and attaching the flexible display panel to the transparent window.
    Type: Application
    Filed: March 26, 2015
    Publication date: April 14, 2016
    Inventors: Jun NAMKUNG, Soon Ryong PARK, Chul Woo JEONG
  • Publication number: 20160087229
    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: November 30, 2015
    Publication date: March 24, 2016
    Inventors: Chul Woo JEONG, Soon Ryong PARK, Jung Ho SO, Seok Gi BAEK, Kwang Hyeok KIM, Jeong Yong EOM