Patents by Inventor Jin-Koo Chung

Jin-Koo Chung 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: 20150357382
    Abstract: An organic light emitting display device including: a first emission area including a first organic light emitting diode; a second emission area arranged adjacent to the first emission area and not overlapping with the first emission area, the second emission area including a second organic light emitting diode; a pixel circuit unit electrically connected to the first organic light emitting diode and the second organic light emitting diode; and a transmissive area adjacent to the first and second emission areas and not overlapping with the first and second emission areas, the transmissive area configured to transmit external light therethrough.
    Type: Application
    Filed: August 14, 2015
    Publication date: December 10, 2015
    Inventors: Jin-Koo Chung, Jun-Ho Choi, Seong-Min Kim
  • Publication number: 20150357383
    Abstract: An organic light emitting display device may include a substrate and a plurality of pixels. The plurality of pixels may be arranged on the substrate, and each of the pixels may include an opaque region and a transparent region. Here, the opaque region may include a first sub-pixel region in which a first sub-pixel is disposed, a second sub-pixel region in which a second sub-pixel is disposed, a third sub-pixel region in which a third sub-pixel is disposed, and a wiring region in which a plurality of wirings is arranged. A sub-pixel region among the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region is overlapped with the wiring region.
    Type: Application
    Filed: November 11, 2014
    Publication date: December 10, 2015
    Inventors: Jin-Koo CHUNG, Jun-Ho CHOI, Young-Woo SONG
  • Patent number: 9196833
    Abstract: A method of manufacturing an organic light-emitting display apparatus includes: forming light-emitting regions on a substrate; forming an organic light-emitting layer on the light-emitting regions; forming a counter electrode on the organic light-emitting layer; and forming an auxiliary electrode electrically connected to the counter electrode. A thickness of the auxiliary electrode is different from a thickness of the counter electrode. Formation of the counter electrode and formation of the auxiliary electrode are achieved via a small mask scanning (SMS) deposition method using the same mask.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: November 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Koo Chung, Jun-Ho Choi, Seong-Min Kim
  • Patent number: 9176359
    Abstract: A display apparatus may include a first substrate defined by a pixel region and a transmitting region adjacent to the pixel region, the pixel region emitting light in a first direction and the transmitting region transmitting external light; a second substrate that faces the first substrate and seals pixels defined on the first substrate; an optical filter arranged on a first side of the display apparatus through which light is emitted, the optical filter being configured to transmit circularly polarized light that rotates in a predetermined direction; and an optical reflectance conversion device arranged on a second side of the display apparatus, opposite the first side, the optical reflectance conversion device being configured to change a reflectance of the external light according to modes of operation of the display apparatus.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: November 3, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Hoon Yim, Young-Woo Song, Jin-Koo Chung
  • Publication number: 20150280166
    Abstract: An organic light-emitting display apparatus includes: a substrate; pixels defined on the substrate, where each pixel includes a first region including a light-emitting region and a second region including a transmission region; a third region defined on the substrate disposed between the pixels; first electrodes disposed in the pixels on the substrate, respectively, where each first electrode is disposed in the first region of a corresponding pixel; an organic emission layer disposed to cover the first electrodes; a first auxiliary layer disposed on the organic emission layer in the second region and which exposes the first region; a second electrode disposed on the organic emission layer in the first region; a second auxiliary layer disposed in the first and second regions and which exposes the third region; and a third electrode disposed in the third region and in contact with the second electrode.
    Type: Application
    Filed: June 16, 2015
    Publication date: October 1, 2015
    Inventors: Jin-Koo Chung, Jun-Ho Choi, Kwan-Hyun Cho
  • Patent number: 9147862
    Abstract: A method of manufacturing an organic light emitting display device includes defining pixels on a substrate, each of the pixels including a first area in which light is emitted in a first direction and a second area in which light is emitted in a second direction opposite the first direction; forming first electrodes respectively disposed in the first area of each of the pixels; forming a sacrificial layer in the first area and the second area of each pixel to cover the first electrodes; forming openings in the sacrificial layer to open a patterning area in the respective second area of each of the pixels; forming a conductive layer on the patterning areas and the sacrificial layer; removing the sacrificial layer; forming an intermediate layer including an organic emitting layer; and forming a third electrode on the intermediate layer.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: September 29, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung-Ho Kim, Jin-Koo Chung, Jun-Ho Choi
  • Patent number: 9141233
    Abstract: A touch controlled display device is disclosed. The device comprises: a display panel including a display panel including a first surface, a second surface opposing the first surface and a plurality of pixels between the first and second surfaces, each pixel including a transmission area and a display area, the transmission area being configured to transmit light therethrough, an infrared source located on the side of the second surface of the display panel and configured to irradiate infrared light toward the first surface through the second surface, and an infrared sensor located on the side of the second surface of the display panel and configured to detect infrared light from the first surface through at least one transmission area of the plurality of pixels.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: September 22, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Koo Chung, Sang-Soo Kim, Sung-Kee Kang
  • Patent number: 9136440
    Abstract: An organic light emitting display apparatus includes a substrate, an encapsulation member facing the substrate, a plurality of pixels between the substrate and the encapsulation member, each pixel including a light emission area and a non-emission area, a first electrode overlapping at least the light emission area, an intermediate layer on the first electrode and including an organic emission layer, a second electrode on the intermediate layer, and a reflective member on a bottom surface of the encapsulation member, the bottom surface of the encapsulation member facing the substrate, and the reflective member including an opening corresponding to the light emission area, and a reflective surface around the opening and corresponding to the non-emission area.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: September 15, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Hoon Yim, Seong-Min Kim, Kwan-Hyun Cho, Kyung-Ho Kim, Jun-Ho Choi, Jin-Koo Chung, Young-Woo Song
  • Patent number: 9128338
    Abstract: A display apparatus includes a transparent display device, a first polarizer on a first surface of the transparent display device, a first retarder between the first polarizer and the first surface of the transparent display device, a second polarizer on a second surface of the transparent display device opposite the first surface, and a conversion retarder between the second polarizer and the second surface of the transparent display device, the conversion retarder being configured to delay a wavelength of the external light within a range from a first phase to a second phase and to transmit the wavelength-delayed light therethrough when power is supplied to the conversion retarder.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: September 8, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Hoon Yim, Young-Woo Song, Jin-Koo Chung
  • Publication number: 20150243725
    Abstract: A method of manufacturing an organic light emitting display apparatus is provided. A plurality of first electrodes is formed on a substrate. An intermediate layer including an emission layer is formed on the plurality of first electrodes. A deposition mold including a plurality of auxiliary patterning lines is formed by performing a deposition process twice using a mask. The mask includes a plurality of aperture sets, each of the plurality of aperture sets corresponding to part of each of the plurality of auxiliary patterning lines. A plurality of second electrodes is formed on the intermediate layer by depositing a conductive material into the deposition mold.
    Type: Application
    Filed: May 8, 2015
    Publication date: August 27, 2015
    Inventors: Jin-Koo Chung, Jun-Ho Choi Choi, Seong-Min Kim
  • Patent number: 9111890
    Abstract: An organic light emitting display device including: a first emission area including a first organic light emitting diode; a second emission area arranged adjacent to the first emission area and not overlapping with the first emission area, the second emission area including a second organic light emitting diode; a pixel circuit unit electrically connected to the first organic light emitting diode and the second organic light emitting diode; and a transmissive area adjacent to the first and second emission areas and not overlapping with the first and second emission areas, the transmissive area configured to transmit external light therethrough.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: August 18, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Koo Chung, Jun-Ho Choi, Seong-Min Kim
  • Publication number: 20150228700
    Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a plurality of pixels and each pixel includes a first area configured to emit light and a second area configured to transmit external light therethrough. Each pixel also includes a first electrode formed in the first area and an organic layer formed in the first area and the second area, wherein the organic layer covers the first electrode. Each pixel further includes a second electrode covering at least the organic layer formed in the first area and having a first opening exposing at least a portion of the organic layer formed in the second area. A reflection prevention layer is formed substantially covering the organic layer formed in the second area. The reflection prevention layer has a refractive index lower than that of the organic layer.
    Type: Application
    Filed: August 26, 2014
    Publication date: August 13, 2015
    Inventors: Kwan-Hyun CHO, Jin-Koo Chung, Jun-Ho Choi
  • Patent number: 9105865
    Abstract: A method of manufacturing an organic light emitting display apparatus is provided. A plurality of first electrodes is formed on a substrate. An intermediate layer including an emission layer is formed on the plurality of first electrodes. A deposition mold including a plurality of auxiliary patterning lines is formed by performing a deposition process twice using a mask. The mask includes a plurality of aperture sets, each of the plurality of aperture sets corresponding to part of each of the plurality of auxiliary patterning lines. A plurality of second electrodes is formed on the intermediate layer by depositing a conductive material into the deposition mold.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: August 11, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Koo Chung, Jun-Ho Choi, Seong-Min Kim
  • Patent number: 9099674
    Abstract: An organic light-emitting display device which is transparent by improving a transmittance in transmitting regions and which reduces a voltage drop in an opposite electrode comprises: a substrate having a transmitting region and pixel regions separated from each other by the transmitting region; thin film transistors positioned on the substrate and disposed in the pixel regions, respectively; a passivation layer covering the thin film transistors, formed in the transmitting region and the pixel regions, and having a first opening formed in a location corresponding to at least a portion of the transmitting region; pixel electrodes formed on the passivation layer so as to be electrically connected to the thin film transistors, respectively, located in the pixel regions, and disposed so as to overlap and cover the thin film transistors, respectively; an opposite electrode facing the pixel electrodes, formed so as to be able to transmit light, and located in the transmitting region and the pixel regions; an organ
    Type: Grant
    Filed: February 14, 2011
    Date of Patent: August 4, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Heung Ha, Kyu-Hwan Hwang, Seok-Gyu Yoon, Young-Woo Song, Jong-Hyuk Lee, Jun-Ho Choi, Jin-Koo Chung
  • Patent number: 9093403
    Abstract: An organic light-emitting display apparatus includes a first substrate. Pixels are formed on the first substrate. The pixels have a light-emitting region and a non-light-emitting region. A second substrate faces the first substrate. A reflective member is disposed on the second substrate. The reflective member includes openings corresponding to the light-emitting regions of the pixels and reflective portions corresponding to the non-light-emitting regions of the pixels. Each pixel includes a first electrode in the light-emitting region, a second electrode facing the first electrode, an organic layer between the first electrode and second electrode, and a pixel-defining layer covering edges of the first electrode. The pixel-defining layer is formed in the non-light-emitting region, and has a sidewall slope that provides an external light reflection path that is similar to that of the light-emitting region.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: July 28, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kyung-Ho Kim, Jin-Koo Chung, Sang-Hoon Yim
  • Patent number: 9088004
    Abstract: An organic light-emitting display apparatus includes: a substrate; pixels defined on the substrate, where each pixel includes a first region including a light-emitting region and a second region including a transmission region; a third region defined on the substrate disposed between the pixels; first electrodes disposed in the pixels on the substrate, respectively, where each first electrode is disposed in the first region of a corresponding pixel; an organic emission layer disposed to cover the first electrodes; a first auxiliary layer disposed on the organic emission layer in the second region and which exposes the first region; a second electrode disposed on the organic emission layer in the first region; a second auxiliary layer disposed in the first and second regions and which exposes the third region; and a third electrode disposed in the third region and in contact with the second electrode.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: July 21, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Koo Chung, Jun-Ho Choi, Kwan-Hyun Cho
  • Publication number: 20150194638
    Abstract: An organic light-emitting display device and a method of manufacturing the organic light-emitting display device are provided. The organic light-emitting display device includes a plurality of pixels each including: a first region including a light-emitting region for emitting light, a first electrode and an emission layer covering the first electrode being located in the light-emitting region; and a second region including a transmissive region for transmitting external light through the display device. The display device also includes: a third region between the pixels; a first auxiliary layer in the first and third regions; a second electrode on the first auxiliary layer in the first and third regions; a second auxiliary layer covering the second electrode and located in the first and second regions and not in the third region; and a third electrode on the second electrode in the third region.
    Type: Application
    Filed: March 19, 2015
    Publication date: July 9, 2015
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Seong-Min Kim
  • Publication number: 20150168776
    Abstract: A display device that can control light transmittance is disclosed. One aspect is a display device for controlling light transmittance. The display device includes a light-emitting region and a light-transmitting region. The light-emitting region includes a light-emitting unit. The light-transmitting region includes a light-transmitting unit configured to adjust the transmittance of external light, wherein the light-emitting unit and the light-transmitting unit are formed over the same substrate.
    Type: Application
    Filed: April 30, 2014
    Publication date: June 18, 2015
    Inventors: Young-Woo Song, Sang-Hoon Yim, Jin-Koo Chung
  • Patent number: 8994010
    Abstract: An organic light-emitting display device and a method of manufacturing the organic light-emitting display device are provided. The organic light-emitting display device includes a plurality of pixels each including: a first region including a light-emitting region for emitting light, a first electrode and an emission layer covering the first electrode being located in the light-emitting region; and a second region including a transmissive region for transmitting external light through the display device. The display device also includes: a third region between the pixels; a first auxiliary layer in the first and third regions; a second electrode on the first auxiliary layer in the first and third regions; a second auxiliary layer covering the second electrode and located in the first and second regions and not in the third region; and a third electrode on the second electrode in the third region.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: March 31, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Seong-Min Kim
  • Publication number: 20150079710
    Abstract: A method of manufacturing an organic light emitting display device includes defining pixels on a substrate, each of the pixels including a first area in which light is emitted in a first direction and a second area in which light is emitted in a second direction opposite the first direction; forming first electrodes respectively disposed in the first area of each of the pixels; forming a sacrificial layer in the first area and the second area of each pixel to cover the first electrodes; forming openings in the sacrificial layer to open a patterning area in the respective second area of each of the pixels; forming a conductive layer on the patterning areas and the sacrificial layer; removing the sacrificial layer; forming an intermediate layer including an organic emitting layer; and forming a third electrode on the intermediate layer.
    Type: Application
    Filed: January 14, 2014
    Publication date: March 19, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Kyung-Ho Kim, Jin-Koo Chung, Jun-Ho Choi