Patents by Inventor Myung Jong Jung

Myung Jong Jung 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: 9705084
    Abstract: An organic light emitting diode (OLED) display includes a red pixel, a green pixel, and a blue pixel. The red pixel, the green pixel and the blue pixel each includes: a pixel electrode; a hole auxiliary layer on the pixel electrode; a blue organic emission layer on the hole auxiliary layer; an electron auxiliary layer on the blue organic emission layer; and a common electrode on the electron auxiliary layer. The red pixel and the green pixel include: a red boundary layer and a green boundary layer, respectively; a red resonance assistance layer and a green resonance assistance layer, respectively; and a red organic emission layer and a green organic emission layer formed between the red resonance assistance layer and the blue organic emission layer, and between the green resonance assistance layer and the blue organic emission layer, respectively.
    Type: Grant
    Filed: May 1, 2012
    Date of Patent: July 11, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Woo Pyo, Seung-Mook Lee, Byeong-Wook Yoo, Hyo-Yeon Kim, Myung-Jong Jung, Jin-Woo Park
  • Patent number: 9368724
    Abstract: A method of manufacturing an organic light-emitting display apparatus, which can minimize damage to an emission layer, and an organic light-emitting display apparatus manufactured using the method are provided. The method includes: preparing a backplane including a pixel electrode and a pixel-defining layer protruding further than an upper surface of the pixel electrode and exposing at least a part of the pixel electrode; placing a donor film for laser-induced thermal imaging (LITI) on the backplane; irradiating a predetermined portion of the donor film with a first light from a laser beam to transfer a part of a transfer layer at the predetermined portion of the donor film to the backplane; irradiating at least one of the donor film and the backplane with a second light having a weaker output than that of the first light from the laser beam; and detaching the donor film from the backplane.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: June 14, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Woo Park, Myung-Jong Jung
  • Patent number: 9024303
    Abstract: An OLED display and associated methods, including a substrate; a first electrode; a second electrode; and an organic emission layer between the first and second electrodes, the organic emission layer including first-third organic emission layers, wherein the third organic emission layer is commonly disposed on the first electrode in the first-third subpixels, the first organic emission layer is in the first subpixel, the second organic emission layer is on the third organic emission layer in the first to third subpixels, an intermediate layer is between the first organic emission layer and the third organic emission layer in the first subpixel and between the second organic emission layer and the third organic emission layer in the second subpixel, and a HTL is between the first organic emission layer and the intermediate layer in the first subpixel and between the second organic emission layer and the intermediate layer in the second subpixel.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: May 5, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Woo Park, Myung-Jong Jung, Sung-Woo Cho, Hyung-Tag Lim
  • Patent number: 9006713
    Abstract: In one aspect, an organic light-emitting display apparatus is provided including a first sub-pixel, a second sub-pixel, and a third sub-pixel that are each a different color, the apparatus including: a substrate; a first electrode disposed on the substrate; a second electrode disposed on the first electrode so as to face the first electrode; an organic emission layer disposed between the first electrode and the second electrode and comprising a first organic emission layer, a second organic emission layer, and a third organic emission layer; a hole transport layer disposed between the first electrode and the organic emission layer; and an electron accepting layer disposed between the first electrode and the second electrode. The organic light-emitting display apparatus has improved image quality and lifetime.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: April 14, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Woo Park, Myung-Jong Jung, Sung-Woo Cho, Sang-Woo Pyo, Hyo-Yeon Kim
  • Publication number: 20150028299
    Abstract: An organic light emitting diode display including: a pixel electrode; a hole auxiliary layer on the pixel electrode; a passivation layer on the hole auxiliary layer; an organic light emitting layer on the passivation layer; an electron auxiliary layer on the organic light emitting layer; and a common electrode on the electron auxiliary layer is disclosed. A method for manufacturing an organic light emitting diode display is also disclosed.
    Type: Application
    Filed: February 26, 2014
    Publication date: January 29, 2015
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Myung Jong Jung, Jin Woo Park
  • Publication number: 20140353621
    Abstract: A method of manufacturing an organic light-emitting display apparatus, which can minimize damage to an emission layer, and an organic light-emitting display apparatus manufactured using the method are provided. The method includes: preparing a backplane including a pixel electrode and a pixel-defining layer protruding further than an upper surface of the pixel electrode and exposing at least a part of the pixel electrode; placing a donor film for laser-induced thermal imaging (LITI) on the backplane; irradiating a predetermined portion of the donor film with a first light from a laser beam to transfer a part of a transfer layer at the predetermined portion of the donor film to the backplane; irradiating at least one of the donor film and the backplane with a second light having a weaker output than that of the first light from the laser beam; and detaching the donor film from the backplane.
    Type: Application
    Filed: December 3, 2013
    Publication date: December 4, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jin-Woo Park, Myung-Jong Jung
  • Publication number: 20140319487
    Abstract: Provided is a donor film for laser induced thermal imagining, a method of manufacturing an organic light-emitting display apparatus using the donor film, and an organic light-emitting display apparatus manufactured by using the same. The donor film includes a base film, a light to heat conversion layer on the base film, and a transfer layer on the light to heat conversion layer. The transfer layer includes a first color intermediate layer including a first color host and an emission layer between the first color intermediate layer and the light to heat conversion layer.
    Type: Application
    Filed: March 19, 2014
    Publication date: October 30, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Woo PARK, Myung-Jong JUNG
  • Publication number: 20140284565
    Abstract: An OLED display and associated methods, including a substrate; a first electrode; a second electrode; and an organic emission layer between the first and second electrodes, the organic emission layer including first-third organic emission layers, wherein the third organic emission layer is commonly disposed on the first electrode in the first-third subpixels, the first organic emission layer is in the first subpixel, the second organic emission layer is on the third organic emission layer in the first to third subpixels, an intermediate layer is between the first organic emission layer and the third organic emission layer in the first subpixel and between the second organic emission layer and the third organic emission layer in the second subpixel, and a HTL is between the first organic emission layer and the intermediate layer in the first subpixel and between the second organic emission layer and the intermediate layer in the second subpixel.
    Type: Application
    Filed: August 9, 2013
    Publication date: September 25, 2014
    Inventors: Jin-Woo PARK, Myung-Jong JUNG, Sung-Woo CHO, Hyung-Tag LIM
  • Patent number: 8581270
    Abstract: An organic light-emitting display apparatus is disclosed.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: November 12, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Woo Park, Myung-Jong Jung, Tae-Min Kang, Sang-Woo Pyo, Beom-Joon Kim, Hyo-Yeon Kim
  • Patent number: 8575649
    Abstract: A donor substrate for laser induced thermal imaging and a method of fabricating an organic light emitting diode (OLED) using the donor substrate are disclosed. In one embodiment, the donor substrate includes a base film, a light-to-heat conversion layer formed on the base film, a buffer layer formed on the light-to-heat conversion layer, and a transfer layer formed on the buffer layer. The buffer layer is formed of magnesium (Mg), an Mg alloy, or magnesium oxide. In the donor substrate for laser induced thermal imaging, the buffer layer is formed between the interlayer and the transfer layer or between the light-to-heat conversion layer and the transfer layer, so that surface characteristics between the donor substrate and the transfer layer can be improved.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: November 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Woo Park, Myung-Jong Jung, Sang-Woo Pyo, Hyo-Yeon Kim, Dae-Hoon Kim, Tae-Min Kang
  • Patent number: 8486857
    Abstract: Provided are a donor substrate for laser induced thermal imaging (LITI) and a method of fabricating an organic light emitting diode (OLED) using the same, which can prevent a transferred emission layer from being damaged by heat and thus prevent wrinkles from forming on the surface thereof. The donor substrate includes a base layer, a light-to-heat conversion layer disposed on the base layer, a first transfer layer disposed on the light-to-heat conversion layer and including an organic layer, an inorganic layer, or a double layer thereof, and a second transfer layer disposed on the first transfer layer and including an emission layer. The first transfer layer has an absolute value of lowest unoccupied molecular orbital energy level of 2.6 to 3.0 eV and a band gap energy of 2.8 to 3.4 eV.
    Type: Grant
    Filed: August 26, 2009
    Date of Patent: July 16, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seung-Mook Lee, Jin-Woo Park, Sang-Woo Pyo, Myung-Jong Jung, Do-Young Kim, Dae-Hoon Kim, Hyo-Yeon Kim
  • Publication number: 20130043498
    Abstract: An organic light emitting diode (OLED) display includes a red pixel, a green pixel, and a blue pixel. The red pixel, the green pixel and the blue pixel each includes: a pixel electrode; a hole auxiliary layer on the pixel electrode; a blue organic emission layer on the hole auxiliary layer; an electron auxiliary layer on the blue organic emission layer; and a common electrode on the electron auxiliary layer. The red pixel and the green pixel include: a red boundary layer and a green boundary layer, respectively; a red resonance assistance layer and a green resonance assistance layer, respectively; and a red organic emission layer and a green organic emission layer formed between the red resonance assistance layer and the blue organic emission layer, and between the green resonance assistance layer and the blue organic emission layer, respectively.
    Type: Application
    Filed: May 1, 2012
    Publication date: February 21, 2013
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Sang-Woo Pyo, Seung-Mook Lee, Byeong-Wook Yoo, Hyo-Yeon Kim, Myung-Jong Jung, Jin-Woo Park
  • Patent number: 8349416
    Abstract: A donor film and a method of manufacturing an organic light emitting device using the donor film. The donor film having a stack structure includes: a first layer comprising first transfer portions comprising a light emitting material of a first color, and first opening portions; a second layer that is formed on the first layer and comprising second transfer portions corresponding to the first opening portion and further comprising a light emitting material of a second color, and second opening portions; and a third layer that is formed on the second layer and comprising third transfer portions corresponding to the first and second opening portions and further comprising a light emitting material of a third color, and third opening portions.
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: January 8, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Woo Pyo, Jin-Woo Park, Myung-Jong Jung, Sok-Won Noh, Beom-Joon Kim
  • Publication number: 20130001531
    Abstract: In one aspect, an organic light-emitting display apparatus is provided including a first sub-pixel, a second sub-pixel, and a third sub-pixel that are each a different color, the apparatus including: a substrate; a first electrode disposed on the substrate; a second electrode disposed on the first electrode so as to face the first electrode; an organic emission layer disposed between the first electrode and the second electrode and comprising a first organic emission layer, a second organic emission layer, and a third organic emission layer; a hole transport layer disposed between the first electrode and the organic emission layer; and an electron accepting layer disposed between the first electrode and the second electrode. The organic light-emitting display apparatus has improved image quality and lifetime.
    Type: Application
    Filed: April 18, 2012
    Publication date: January 3, 2013
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jin-Woo Park, Myung-Jong Jung, Sung-Woo Cho, Sang-Woo Pyo, Hyo-Yeon Kim
  • Publication number: 20120329187
    Abstract: An apparatus for manufacturing an organic light-emitting display device, and a manufacturing method using the apparatus. An apparatus includes a roll drum unit configured to removably adhere a flexible substrate and a transfer film thereon such that the transfer film overlaps the flexible substrate, and a laser irradiation unit configured to irradiate a laser in a pattern toward the transfer film adhered on the roll drum unit and transfer a transfer layer of the transfer film onto the flexible substrate to form an emission layer.
    Type: Application
    Filed: March 23, 2012
    Publication date: December 27, 2012
    Inventors: Sang-Bong Lee, Myung-Jong Jung, Min-Soo Shin, Jin-Woo Park, Jae-Young Cho
  • Patent number: 8075693
    Abstract: A crucible heating apparatus and a deposition apparatus including the same. The crucible heating apparatus includes: a crucible including a main body to house a deposition material, and a cover disposed on the main body, having a nozzle; a band coupled to the crucible, through contact parts; a thermocouple coupled to the band; a housing to house the crucible and the band; and a heater disposed inside the housing, to heat the deposition material.
    Type: Grant
    Filed: August 22, 2008
    Date of Patent: December 13, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Sok-Won Noh, Tae-Min Kang, Jin-Wook Seong, Sang-Bong Lee, Seung-Mook Lee, Jin-Woo Park, Sun-Hoe Kim, Myung-Jong Jung
  • Publication number: 20110240970
    Abstract: An organic light-emitting display apparatus is disclosed.
    Type: Application
    Filed: March 22, 2011
    Publication date: October 6, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jin-Woo PARK, Myung-Jong JUNG, Tae- Min KANG, Sang-Woo PYO, Beom-Joon KIM, Hyo-Yeon KIM
  • Patent number: 8008851
    Abstract: An organic light emitting display (OLED) includes a substrate, first and second driving units positioned on the substrate, a first light emitting diode (LED) connected with the first driving unit and including a first organic light emitting layer and a second emitting diode electrically connected with the second driving unit and including a second organic light emitting layer. The second emitting diode is positioned on the first emitting diode.
    Type: Grant
    Filed: January 18, 2007
    Date of Patent: August 30, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Myeon Chang Sung, Changnam Kim, Sangkyoon Kim, Sun Kil Kang, Won Jae Yang, Honggyu Kim, Young Hoon Shin, Do Youl Kim, Honyun Lee, Myung Jong Jung
  • Publication number: 20110084286
    Abstract: A donor substrate for laser induced thermal imaging and a method of fabricating an organic light emitting diode (OLED) using the donor substrate are disclosed. In one embodiment, the donor substrate includes a base film, a light-to-heat conversion layer formed on the base film, a buffer layer formed on the light-to-heat conversion layer, and a transfer layer formed on the buffer layer. The buffer layer is formed of magnesium (Mg), an Mg alloy, or magnesium oxide. In the donor substrate for laser induced thermal imaging, the buffer layer is formed between the interlayer and the transfer layer or between the light-to-heat conversion layer and the transfer layer, so that surface characteristics between the donor substrate and the transfer layer can be improved.
    Type: Application
    Filed: October 13, 2010
    Publication date: April 14, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Jin-Woo Park, Myung-Jong Jung, Sang-Woo Pyo, Hyo-Yeon Kim, Dae-Hoon Kim, Tae-Min Kang
  • Publication number: 20100055343
    Abstract: Provided are a donor substrate for laser induced thermal imaging (LITI) and a method of fabricating an organic light emitting diode (OLED) using the same, which can prevent a transferred emission layer from being damaged by heat and thus prevent wrinkles from forming on the surface thereof. The donor substrate includes a base layer, a light-to-heat conversion layer disposed on the base layer, a first transfer layer disposed on the light-to-heat conversion layer and including an organic layer, an inorganic layer, or a double layer thereof, and a second transfer layer disposed on the first transfer layer and including an emission layer. The first transfer layer has an absolute value of lowest unoccupied molecular orbital energy level of 2.6 to 3.0 eV and a band gap energy of 2.8 to 3.4 eV.
    Type: Application
    Filed: August 26, 2009
    Publication date: March 4, 2010
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Seung-Mook Lee, Jin-Woo Park, Sang-Woo Pyo, Myung-Jong Jung, Do-Young Kim, Dae-Hoon Kim, Hyo-Yeon Kim