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: 20160218321
    Abstract: An organic light emitting display apparatus and a method of manufacturing the same are provided. The apparatus includes a substrate, a first electrode formed on the substrate, an intermediate layer formed on the first electrode. The intermediate layer includes an organic emission layer. A second electrode is formed on the intermediate layer, and a capping layer is formed on the second electrode in a first region. The capping layer includes a first edge portion and at least two layers. A third electrode is formed on the second electrode in a second region. The second region is not overlapped with the first region, and the third electrode includes a second edge portion having a side portion facing a side portion of the first edge portion of the capping layer. Electric properties and image quality may be improved.
    Type: Application
    Filed: April 4, 2016
    Publication date: July 28, 2016
    Inventors: Jun-Ho Choi, Kwan-Hyun Cho, Jin-Koo Chung
  • Patent number: 9391127
    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: Grant
    Filed: April 30, 2014
    Date of Patent: July 12, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Woo Song, Sang-Hoon Yim, Jin-Koo Chung
  • Publication number: 20160155789
    Abstract: A display panel includes a substrate including a plurality of pixel regions having sub-pixel regions and a reflective region surrounding the sub-pixel regions, light emitting structures in the pixel regions, the light emitting structures being on the substrate, an encapsulation substrate over the light emitting structures, a reflective member on a lower surface of the encapsulation substrate, the reflective member having openings, each of the openings being located at a corresponding one of the sub-pixel regions, and a light blocking member on an upper surface of the encapsulation substrate, the light blocking member partially blocking a light of a first wavelength.
    Type: Application
    Filed: May 26, 2015
    Publication date: June 2, 2016
    Inventors: Joon-Youp Kim, Jin-Koo Chung
  • Publication number: 20160133680
    Abstract: An organic light emitting display and a method of manufacturing the same. The organic light-emitting display is a transparent display where one can see through the display to view an image on the other side of the display. Each pixel of the display has a first region that includes an organic light emitting diode and a thin film transistor, and a larger second region that is transparent. The second region is made of either transparent layers or ultra-thin layers so that light is not blocked. A second electrode of the display may include magnesium and may be produced by a selective deposition process, so that use of a fine metal mask may be avoided.
    Type: Application
    Filed: December 28, 2015
    Publication date: May 12, 2016
    Inventors: Joo-Hyeon LEE, Byoung-Hee PARK, Jin-Koo CHUNG, Jun-Ho CHOI, Seong-Min KIM
  • Patent number: 9331308
    Abstract: An organic light emitting display apparatus and a method of manufacturing the same are provided. The apparatus includes a substrate, a first electrode formed on the substrate, an intermediate layer formed on the first electrode. The intermediate layer includes an organic emission layer. A second electrode is formed on the intermediate layer, and a capping layer is formed on the second electrode in a first region. The capping layer includes a first edge portion and at least two layers. A third electrode is formed on the second electrode in a second region. The second region is not overlapped with the first region, and the third electrode includes a second edge portion having a side portion facing a side portion of the first edge portion of the capping layer. Electric properties and image quality may be improved.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: May 3, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ho Choi, Kwan-Hyun Cho, Jin-Koo Chung
  • Patent number: 9318544
    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: May 8, 2015
    Date of Patent: April 19, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Koo Chung, Jun-Ho Choi, Seong-Min Kim
  • Publication number: 20160099438
    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: December 10, 2015
    Publication date: April 7, 2016
    Inventors: Kwan-Hyun CHO, Jin-Koo CHUNG, Jun-Ho CHOI
  • Patent number: 9299950
    Abstract: An organic light emitting display apparatus includes a lower substrate and an upper substrate. The lower substrate includes a light emitting device having an organic emission layer between first and second electrodes, and an auxiliary electrode under and electrically connected to the second electrode. The upper substrate includes an embossing member contacting the second electrode. The embossing member is coupled to the upper substrate to face the lower substrate and applies a pressure to establish an electrical connection between the auxiliary electrode and the second electrode.
    Type: Grant
    Filed: November 4, 2013
    Date of Patent: March 29, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young-Woo Song, Jin-Koo Chung, Kyu-Hwan Hwang
  • Patent number: 9293515
    Abstract: An organic light-emitting display device and a method of manufacturing the organic light-emitting display device. The organic light-emitting display device is a dual emission display capable of displaying differing images on either side of the display, and includes a facing electrode that is selectively deposited in the first area but not in the second area, the selectivity being brought about by a varying an underlying material having differing adhesive forces with the material of the facing electrode. In addition, the underlying materials of the facing electrode and other intermediate layers of the organic light emitting diode device provide extra distance between the organic light emitting layer and a reflective electrode, so that exciton quenching is reduced, resulting in improved light emitting efficiency.
    Type: Grant
    Filed: February 5, 2014
    Date of Patent: March 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Kwan-Hyun Cho
  • Patent number: 9287339
    Abstract: An organic light emitting display and a method of manufacturing the same. The organic light-emitting display is a transparent display where one can see through the display to view an image on the other side of the display. Each pixel of the display has a first region that includes an organic light emitting diode and a thin film transistor, and a larger second region that is transparent. The second region is made of either transparent layers or ultra thin layers so that light is not blocked. A second electrode of the display may include magnesium and may be produced by a selective deposition process, so that use of a fine metal mask may be avoided.
    Type: Grant
    Filed: September 9, 2011
    Date of Patent: March 15, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Hyeon Lee, Byoung-Hee Park, Jin-Koo Chung, Jun-Ho Choi, Seong-Min Kim
  • Publication number: 20160064692
    Abstract: An organic light emitting display device includes a first substrate, a light emitting structure, a light transmitting member, and a second substrate. The first substrate includes a pixel region and a transparent region. The light emitting structure is positioned in the pixel region of the first substrate. The light transmitting member is positioned in the transparent region. The second substrate is disposed on the light emitting structure and the light transmitting member. The light is not refracted in interfaces between the light transmitting member and the first substrate and between the light transmitting member and the second substrate.
    Type: Application
    Filed: March 19, 2015
    Publication date: March 3, 2016
    Inventors: Jung-Woo MOON, Joon-Youp KIM, Kyung-Ho KIM, Jin-Koo CHUNG, Jun-Ho CHOI
  • Patent number: 9263711
    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: March 19, 2015
    Date of Patent: February 16, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Seong-Min Kim
  • Publication number: 20160043154
    Abstract: An OLED device and a method of manufacturing the same, the OLED device including a substrate having a pixel area and a transmission area; a pixel circuit on the pixel area; a first electrode on the pixel area and being electrically connected to the pixel circuit; a first organic layer extending continuously on the pixel area and the transmission area and covering the first electrode; an emitting layer selectively on a portion of the first organic layer on the pixel area; a second organic layer extending continuously on the pixel and transmission areas and covering the emitting layer; and a third organic layer selectively on the transmission area, the third organic layer including a non-emitting material that has a different transmittance from that of the emitting layer; and a second electrode extending continuously on the pixel area and the transmission area and covering the second and third organic layers.
    Type: Application
    Filed: February 12, 2015
    Publication date: February 11, 2016
    Inventors: Jun-Ho CHOI, Jin-Koo CHUNG, Eun-Kyoung NAM, Young-Woo SONG
  • Patent number: 9257667
    Abstract: An organic light-emitting display apparatus includes a substrate including a display area and a peripheral area surrounding the display area, a plurality of pixels being disposed in the display area, a plurality of first electrodes in the display area, a plurality of stripe-shaped second electrodes in the display area, the second electrodes extending in a first direction and being spaced apart from each other in a second direction crossing the first direction, and each of the plurality of the second electrodes having an uneven thickness along a third direction inside the display area, an intermediate layer between corresponding first and second electrodes, the intermediate layer having a light-emitting layer, and a connection wiring in the peripheral area, the connection wiring electrically connecting the plurality of the second electrodes with each other.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: February 9, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Kwan-Hyun Cho, Jin-Koo Chung, Jun-Ho Choi
  • Patent number: 9245931
    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: Grant
    Filed: August 26, 2014
    Date of Patent: January 26, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwan-Hyun Cho, Jin-Koo Chung, Jun-Ho Choi
  • Patent number: 9246123
    Abstract: Provided is an organic light-emitting display device comprising a substrate, an insulating layer disposed on the substrate, a first electrode disposed on the insulating layer, an organic layer disposed on the first electrode, a second electrode disposed on the organic layer, an auxiliary electrode disposed on the insulating layer and a metal layer disposed adjacent to the auxiliary electrode and connected to the auxiliary electrode and the second electrode.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: January 26, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyung Ho Kim, Jin Koo Chung
  • Patent number: 9245934
    Abstract: An organic light-emitting display apparatus includes a plurality of pixels, a plurality of first electrodes, a plurality of second electrodes, an intermediate layer, a third electrode, an auxiliary layer, and a fourth electrode. Each pixel includes a first region that emits light in a first direction and a second region that emits light in a second direction that is opposite to the first direction. The first electrodes are respectively located in the first region of each of the pixels. The second electrodes are respectively located in the second region of each of the plurality of pixels. The intermediate layer is on the plurality of first electrodes and the plurality of second electrodes, and includes an organic emission layer. The third electrode is on the intermediate layer and in the first and second regions. The fourth electrode is in the first region and contacts the third electrode.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: January 26, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Koo Chung, Sang-Hoon Yim, Jun-Ho Choi, Kyung-Ho Kim, Seong-Min Kim, Kwan-Hyun Cho
  • Patent number: 9245936
    Abstract: Provided is a multi-display apparatus. The multi-display apparatus includes a first display including a region configured to allow external light to pass therethrough, a first module electrically coupled to the first display unit, a second display coupled to the first display, the second display overlapping the first module and being configured to not allow external light to pass therethrough, and a second module electrically coupled to the second display.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: January 26, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Sang-Hoon Yim, Seong-Min Kim
  • Patent number: 9231030
    Abstract: An organic light-emitting display device includes a thin film transistor, a first insulating layer, a first electrode a second insulating layer, an organic emission layer, a second electrode, a first auxiliary layer in a first region on the second electrode and having a first edge, a third electrode in a second region, on the second electrode and having a second edge contacting the first edge of the first auxiliary layer, and a second auxiliary layer on at least the first region and having a refractive index higher than the first auxiliary layer.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: January 5, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Seong-Min Kim
  • Publication number: 20150378201
    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: Application
    Filed: September 3, 2015
    Publication date: December 31, 2015
    Inventors: Sang-Hoon YIM, Young-Woo SONG, Jin-Koo CHUNG