Patents by Inventor Duk-Jin Lee

Duk-Jin Lee 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: 10627963
    Abstract: A display device according to an exemplary embodiment of the present system and method includes a substrate; a display active layer disposed on the substrate, the display active layer including a plurality of pixels that are configured to display a first color, a second color, and a third color, respectively, and a touch sensing layer disposed on the display active layer. The touch sensing layer includes first touch electrodes and second touch electrodes, which are separated from each other, and gaps between the first touch electrodes and the second touch electrodes. The gaps are formed to expose first color pixels configured to display the first color and non-pixel areas.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: April 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Duk Jin Lee, In Young Han, Hye Jung Park, Jung Hee Son, Woo Suk Jung
  • Patent number: 10145990
    Abstract: An optical film includes a polarizer and a first adhesive layer on the polarizer, where the first adhesive layer has a haze value of 90% or more.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: December 4, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jung Hee Son, Nam Seok Baik, Jang Seok Ma, Sang Woo An, Gyeong Im Lee, Duk Jin Lee
  • Patent number: 9874666
    Abstract: An optical film, a display device including the same, and a method of manufacturing the optical film, the film including a first refractive index layer including a plurality of protrusions; a second refractive index layer covering the plurality of protrusions, the second refractive index layer having a refractive index that is different from a refractive index of the first refractive index layer; and a support layer on the first refractive index layer or the second refractive index layer, wherein a ratio of a height to a width of the protrusion is 0.5 or more.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: January 23, 2018
    Assignees: SAMSUNG DISPLAY CO., LTD., SEKONIX CO., LTD
    Inventors: Duk Jin Lee, Nam Seok Baik, Jang Seok Ma, Jung Hee Son, Gyeong-Im Lee, Jung Chul Seo, Seok Il Yoon, Chan Hee Lee
  • Publication number: 20170346043
    Abstract: An organic light emitting diode display including: a plurality of pixels on a substrate; an encapsulation substrate facing the substrate; a color filter on one surface of the encapsulation substrate facing the substrate and including a red filter, a green filter, and a blue filter; and an overcoat layer including a first region covering the red filter, a second region covering the green filter, and a third region covering the blue filter. At least one of the first region, the second region, and the third region has an optimized refractive index and/or an optimized thickness.
    Type: Application
    Filed: August 11, 2017
    Publication date: November 30, 2017
    Inventors: Duk Jin LEE, Woo Suk JUNG, Tae Eun KIM, Ji Eun PARK
  • Patent number: 9829611
    Abstract: An optical film may include a light diffusion portion including light scattering particles dispersed in a light transmissive media, and a light transmission portion including the light transmissive media. The light diffusion portion may be adjacent the light transmission portion.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: November 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Duk Jin Lee, Jang Seok Ma, Nam Seok Baik, Jung Hee Son, Sang Woo An, Gyeong Im Lee
  • Publication number: 20160226029
    Abstract: An organic light emitting diode display including: a plurality of pixels on a substrate; an encapsulation substrate facing the substrate; a color filter on one surface of the encapsulation substrate facing the substrate and including a red filter, a green filter, and a blue filter; and an overcoat layer including a first region covering the red filter, a second region covering the green filter, and a third region covering the blue filter. At least one of the first region, the second region, and the third region has an optimized refractive index and/or an optimized thickness.
    Type: Application
    Filed: September 15, 2015
    Publication date: August 4, 2016
    Inventors: Duk Jin Lee, Woo Suk Jung, Tae Eun Kim, Ji Eun Park
  • Publication number: 20160202814
    Abstract: A display device according to an exemplary embodiment of the present system and method includes a substrate; a display active layer disposed on the substrate, the display active layer including a plurality of pixels that are configured to display a first color, a second color, and a third color, respectively, and a touch sensing layer disposed on the display active layer. The touch sensing layer includes first touch electrodes and second touch electrodes, which are separated from each other, and gaps between the first touch electrodes and the second touch electrodes. The gaps are formed to expose first color pixels configured to display the first color and non-pixel areas.
    Type: Application
    Filed: July 21, 2015
    Publication date: July 14, 2016
    Inventors: Duk Jin LEE, In Young HAN, Hye Jung PARK, Jung Hee SON, Woo Suk JUNG
  • Publication number: 20160041313
    Abstract: An optical film may include a light diffusion portion including light scattering particles dispersed in a light transmissive media, and a light transmission portion including the light transmissive media. The light diffusion portion may be adjacent the light transmission portion.
    Type: Application
    Filed: June 30, 2015
    Publication date: February 11, 2016
    Inventors: Duk Jin Lee, Jang Seok Ma, Nam Seok Baik, Jung Hee Son, Sang Woo An, Gyeong Im Lee
  • Publication number: 20160033693
    Abstract: An optical film includes a polarizer and a first adhesive layer on the polarizer, where the first adhesive layer has a haze value of 90% or more.
    Type: Application
    Filed: May 15, 2015
    Publication date: February 4, 2016
    Inventors: Jung Hee Son, Nam Seok Baik, Jang Seok Ma, Sang Woo An, Gyeong Im Lee, Duk Jin Lee
  • Patent number: 9224978
    Abstract: An organic light emitting diode (OLED) display device includes a first substrate; a first electrode positioned on the first substrate; an organic light emission layer positioned on the first electrode; a second electrode positioned on the organic light emission layer; and a capping layer positioned on the second electrode to cover the organic light emission layer and including an ultraviolet (UV) interception material intercepting UV rays irradiated to the organic light emission layer from the exterior.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: December 29, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Woo-Suk Jung, Soon-Ryong Park, Duk-Jin Lee, Sa-Bang Um, Jae-Yong Kim
  • 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: 20150043221
    Abstract: An optical film, a display device including the same, and a method of manufacturing the optical film, the film including a first refractive index layer including a plurality of protrusions; a second refractive index layer covering the plurality of protrusions, the second refractive index layer having a refractive index that is different from a refractive index of the first refractive index layer; and a support layer on the first refractive index layer or the second refractive index layer, wherein a ratio of a height to a width of the protrusion is 0.5 or more.
    Type: Application
    Filed: July 3, 2014
    Publication date: February 12, 2015
    Inventors: Duk Jin LEE, Nam Seok BAIK, Jang Seok MA, Jung Hee SON, Gyeong-Im LEE, Jung Chul SEO, Seok Il YOON, Chan Hee LEE
  • Patent number: 8947467
    Abstract: A display device receiving a video signal including grayscale data and displaying images according to the input video signal includes: a photosensor measuring illuminance of external light; a timing controller processing the data signal according to a target gamma value corresponding to the measured illuminance among a plurality of gamma values for a reference curved line representing a relationship of a lightness variation according to a change of grayscale data to be applied to the measured illuminance environment; a data driver applying the processed data signal to a plurality of pixels; and a scan driver applying a scan signal to the plurality of pixels for the data signal to be applied to the plurality of pixels. Accordingly, an image or a motion picture may be displayed with a desired grayscale without influence of external light, and the display quality may be obtained in an external light environment without increasing power consumption.
    Type: Grant
    Filed: January 25, 2011
    Date of Patent: February 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gi-Na Yoo, Duk-Jin Lee, Seung-Jae Jeong
  • Publication number: 20140347728
    Abstract: An optical member includes a polarization film configured to polarize light. The optical member may further include a sealing member that overlaps the polarization film. The optical member may further include a retardation film disposed between the polarization film and the sealing member and configured to cause phase retardation. The optical member may further include a lens film disposed between the retardation film and the sealing member and includes a plurality of concave lens units that defines a plurality of air units, which may be sealed by the sealing member.
    Type: Application
    Filed: October 21, 2013
    Publication date: November 27, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventor: Duk-jin LEE
  • Patent number: 8890779
    Abstract: An organic light emitting display includes a display unit divided into a plurality of fields (regions), data and scan drivers, a power supply, and a driving voltage calculator. The display unit has a plurality of cathode electrodes corresponding to the respective fields, and is configured to display an image in response to data and scan signals. The data and scan drivers respectively supply the data and scan signals to the display unit. The power supply has a first output terminal for outputting a first power and a plurality of second output terminals for outputting a plurality of second powers to the plurality of cathode electrodes. The driving voltage calculator calculates the voltage of each of the second powers for a respective one of the cathode electrodes based on a magnitude of a respective one of the data signals.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: November 18, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Duk-Jin Lee, Soon-Ryong Park, Woo-Suk Jung, Min-Jae Kim
  • Patent number: 8851952
    Abstract: An organic light emitting diode (OLED) display and a method of manufacturing the same are provided. The OLED display includes: a display panel assembly including a first substrate having a display area and a mounting area, a second substrate coupled to the display area of the first substrate, and an integrated circuit chip mounted in the mounting area of the first substrate; a cover window disposed opposite the second substrate and the integrated circuit chip and covering the display panel assembly; and an adhesive layer which fills up a space between the second substrate and the cover window, and a space between the mounting area of the first substrate and the cover window.
    Type: Grant
    Filed: July 3, 2013
    Date of Patent: October 7, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Duk-Jin Lee, Woo-Suk Jung, Sang-Hun Park, Kyu-Ho Jung, Noh-Min Kwak
  • Patent number: 8730427
    Abstract: A flat panel display apparatus including a transparent bezel including a floor part and a sidewall part protruding from the floor part and being capable of transmitting ultraviolet (UV) light, a display panel including a first substrate located on the bezel and having a display unit on one surface thereof and a second substrate facing the first substrate, a transparent window on the bezel, and a resin layer between the second substrate and the transparent window and between the first substrate and the bezel.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: May 20, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: Duk-Jin Lee
  • Patent number: 8711308
    Abstract: Provided are a flat panel display device including a protection board configured to prevent damage of a display panel from external impact, and a method of fabricating the same. The display panel and the protection board are closely attached, and distortion of an image displayed on the display panel due to a space between the display panel and the protection board can be prevented. The flat panel display device includes a display panel including a lower substrate, an upper substrate and at least one light emitting element disposed between the lower and upper substrates, a protection board disposed on the display panel, and an adhesive layer disposed between the display panel and the protection board.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: April 29, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Noh-Min Kwak, Dai-Han Cho, Gi-Na Yoo, Min-Jae Kim, Jeong-No Lee, Woo-Suk Jung, Duk-Jin Lee
  • Patent number: 8687025
    Abstract: A display device includes: a panel including a plurality of pixel circuits, each of the pixel circuits including a light emitting element having one end coupled to a first voltage source for supplying a first voltage and another end coupled to a second voltage source for supplying a second voltage; a controller for reducing image data for one frame and for outputting a control signal and a data signal to display an image corresponding to the reduced image data on the panel; a voltage difference setting unit for detecting a peak value of the reduced image data and for calculating a driving voltage for generating a peak driving current corresponding to the peak value; and a power supply for generating the first and second voltages and for providing the first and second voltages to the panel in accordance with the driving voltage.
    Type: Grant
    Filed: August 26, 2010
    Date of Patent: April 1, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Duk-Jin Lee, Soon-Ryong Park, Woo-Suk Jung
  • Patent number: 8674597
    Abstract: Provided are a polarizer and an organic light-emitting display device including the same. The organic light-emitting display device may be protected by enabling the polarizer to effectively absorb external impact.
    Type: Grant
    Filed: April 29, 2010
    Date of Patent: March 18, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Woo-Suk Jung, Soon-Ryong Park, Duk-Jin Lee, Sa-Bang Um, Jung-Jun Im