Patents by Inventor Ho Kwack

Ho Kwack 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: 20130181602
    Abstract: An organic light emitting display apparatus includes a substrate, an organic light emitting portion comprising a plurality of organic light emitting devices formed on the substrate, and an encapsulation portion for encapsulating the organic light emitting portion. The encapsulation portion includes a porous layer formed on the organic light emitting portion, a planarization layer formed on the porous layer, and a barrier layer formed on the planarization layer. The porous layer prevents impurities from being concentrated at a part of the porous layer.
    Type: Application
    Filed: August 23, 2012
    Publication date: July 18, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae-Wook Kang, Dong-Won Han, Young-Seo Choi, Jin-Ho Kwack
  • Publication number: 20130127917
    Abstract: A display device includes a flexible display including a flexible display panel and a flexible touch panel, and a housing configured to enclose the flexible display while allowing the flexible display to move relative to the housing such that a portion of the flexible display is drawn out of the housing and retracted into the housing. The display device further includes a marker configured to contact a location of the flexible touch panel when a portion of the flexible display is drawn out of the housing. The marker is provided such that the contact location changes as the flexible display moves relative to the housing. The display device also includes at least one processor configured to compute the contact location on the flexible display and to adjust the size of an image displayed on the flexible display panel based on the computed contact location.
    Type: Application
    Filed: March 21, 2012
    Publication date: May 23, 2013
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jun-Ho KWACK, Dae-Won KIM, Young-Sik KIM
  • Publication number: 20130109438
    Abstract: A mobile terminal includes a first body including a transparent display; a second body including another display; and a hinge unit hingedly interconnecting the first body and the second body. The first and second bodies are configured to move relative to each other between a folded state and an unfolded state. At the folded state, the mobile terminal is configured to operate such that the transparent display is in a transparent mode, in which an image displayed on the other display is shown through the transparent display. At the unfolded state, the mobile terminal is configured to operate such that each of the transparent display and the other display displays an image.
    Type: Application
    Filed: March 7, 2012
    Publication date: May 2, 2013
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD
    Inventors: Jun Ho KWACK, Young Sik KIM
  • Patent number: 8419494
    Abstract: A flat panel display device and a method of manufacturing the same. The method of manufacturing the flat panel display device includes: forming a display on a substrate; preparing an organic layer mask comprising a first mask body, a regulator extending from the first mask body and contacting the organic layer, and a tunnel having a space between the first mask body and the regulator; forming an organic layer covering the display in a region divided by the regulator of the organic layer mask, and condensing a part of the organic layer permeating through the tunnel; preparing an inorganic layer mask; and forming an inorganic layer covering the organic layers formed in the region divided by the regulator through the inorganic layer mask and in the tunnel.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: April 16, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Ho Kwack, Seung-Yong Song, Dong-Won Han, Jae-Ho Lee
  • Patent number: 8415882
    Abstract: An organic light emitting diode (OLED) display is disclosed. In one embodiment, the display includes i) a substrate, ii) a driving circuit formed on the substrate, iii) an organic light emitting diode formed on the substrate and electrically connected to the driving circuit, iv) an encapsulation thin film formed on the driving circuit and organic light emitting diode and v) a spacer formed on the substrate and surrounding the encapsulation thin film.
    Type: Grant
    Filed: March 16, 2011
    Date of Patent: April 9, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Hun Kang, Min-Chul Suh, Dong-Won Han, Jin-Ho Kwack, Dae-Beom Shin, Hyo-Jin Kim
  • Patent number: 8376017
    Abstract: A flexible substrate bonding and debonding apparatus is disclosed. In one embodiment, the apparatus includes i) a chamber, ii) a lower chuck disposed in a lower portion of the chamber and having a lower heating unit and a cooling conduit built therein, iii) an upper chuck disposed above the lower chuck and having an upper heating unit built therein, iv) a pressurizing unit disposed above the upper chuck and v) a separating unit corresponding to either side of bonding surfaces of a support substrate and a flexible substrate which are disposed between the lower chuck and the upper chuck. The flexible substrate bonding and debonding apparatus can pressurize the flexible substrate and the support substrate simultaneously using a heat-treatment process. Therefore, the flexible substrate can be more reliably bonded and debonded even at low temperature.
    Type: Grant
    Filed: June 12, 2008
    Date of Patent: February 19, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Seob Lee, Jin-Ho Kwack, Tae-Kyung Ahn
  • Publication number: 20130036638
    Abstract: A display device includes: a flexible display panel including a recognition pattern; a housing for holding the flexible display panel, wherein varying amounts of a display area of the flexible display panel are exposable to the outside to display an image; and a sensor in the housing for sensing an amount of the exposed display area corresponding to the recognition pattern.
    Type: Application
    Filed: March 23, 2012
    Publication date: February 14, 2013
    Inventors: Jun-Ho Kwack, Hyun-Jae Lee
  • Patent number: 8367436
    Abstract: A manufacturing method of an organic light emitting diode (OLED) display device includes forming a thin film transistor and an organic light emitting diode in a display area of a first substrate, forming a thin film encapsulation layer that has a layering structure of an organic film and an inorganic film on one substrate of the first substrate and a second substrate, forming a sealing member by coating a sealing material that includes an inorganic sealant and an organic compound on an edge of the second substrate, removing the organic compound of the sealing member by baking the sealing member, layering the second substrate on the first substrate so that the sealing member contacts the first substrate, dissolving the sealing member by using a laser beam, solidifying the sealing member, attaching the sealing member to the first substrate, and removing the second substrate from the sealing member.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: February 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Ho Kwack, Dae-Beom Shin, Dong-Hun Kang, Hyo-Jin Kim
  • Publication number: 20120256218
    Abstract: An organic light-emitting diode (OLED) display according to an exemplary embodiment may include: a substrate and an organic light emitting element on the substrate; a thin film encapsulation layer on the substrate and covering the organic light emitting element; and one or more scattering materials dispersed in the thin film encapsulation layer. According to the exemplary embodiment, light efficiency may be improved by dispersing scattering materials in at least one of an organic layer or an inorganic layer forming a thin film encapsulation layer with a large refractive index difference.
    Type: Application
    Filed: November 18, 2011
    Publication date: October 11, 2012
    Inventors: Jin-Ho Kwack, Dong-Won Han
  • Publication number: 20120235207
    Abstract: An organic light emitting diode display includes: a substrate; a display area including an organic light emitting element on the substrate; an organic encapsulation layer covering the organic light emitting element and having a second boundary spaced from a first boundary of the display area by a first distance; and an inorganic encapsulation layer having a peripheral area contacting the substrate and covering the organic encapsulation layer.
    Type: Application
    Filed: November 8, 2011
    Publication date: September 20, 2012
    Inventors: Jin-Ho Kwack, Dong-Won Han, Dae-Beom Shin, Seung-Yong Song
  • Publication number: 20120146492
    Abstract: In an organic light-emitting display apparatus and a method of manufacturing the same, the organic light-emitting display apparatus comprises: a substrate; a light-emitting unit formed on the substrate; and an encapsulation film, which covers the light-emitting unit on the substrate, and which includes a plurality of organic layers and a plurality of inorganic layers which are alternately stacked.
    Type: Application
    Filed: September 23, 2011
    Publication date: June 14, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Ji-Hun Ryu, Dong-Won Han, Young-Seo Choi, Jae-Ho Lee, Oh-June Kwon, Jin-Ho Kwack, Dae-Beom Shin, Dong-Hun Kang, Hyo-Jin Kim, Seung-Yong Song
  • Publication number: 20120133275
    Abstract: In a flat panel display device and a method of manufacturing the same, the flat panel display device is manufactured by forming a display unit on a substrate, forming a hydrophobic barrier layer for preventing a material of an organic layer from flowing around the display unit, and forming a thin film sealing layer by alternately stacking an inorganic layer and the organic layer on the display unit. Accordingly, formation of an edge tail of the organic layer is prevented, thereby preventing penetration of external moisture.
    Type: Application
    Filed: September 22, 2011
    Publication date: May 31, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jae-Ho Lee, Dong-Won Han, Seung-Yong Song, Jin-Ho Kwack, Dae-Beom Shin, Dong-Hun Kang, Hyo-Jin Kim
  • Patent number: 8188652
    Abstract: Provided is a method of manufacturing an organic light emitting display device in which a laser beam is used. The method includes forming an organic light emitting unit on a substrate; forming a sealing unit that seals the organic light emitting unit; forming an protective film which is opaque on the sealing unit to protect the organic light emitting unit or the sealing unit by blocking the transmission of the laser beam; forming an optical pattern on the opaque protective film using the laser beam; and forming a transparent film from the opaque protective film by oxidizing the opaque protective film.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: May 29, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Jin-Ho Kwack, Min-Chul Suh, Jae-Ho Lee
  • Patent number: 8187960
    Abstract: A method of joining a flexible layer and a support includes forming a first metal layer on one surface of the flexible layer, forming a second metal layer on one surface of the support, cleaning the first metal layer and the second metal layer, and joining the first metal layer to the second metal layer, such that the first metal layer is between the flexible layer and the second metal layer.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: May 29, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Jae-Seob Lee, Kyu-Sung Lee, Hyo-Jin Kim, Jae-Kyeong Jeong, Jin-Ho Kwack
  • Patent number: 8188651
    Abstract: Provided is an organic light emitting apparatus that prevents voltage drop due to thin electrode and improves shock resistance. The organic light emitting apparatus includes a substrate, a first electrode formed on the substrate, an organic light emitting layer formed on the first electrode, a second electrode formed on the organic light emitting layer, and a conductive component disposed on the second electrode. The conductive component includes carbon nano-tubes.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: May 29, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Kyu-Sung Lee, Jin-Ho Kwack, Hyo-Jin Kim
  • Publication number: 20120098026
    Abstract: An organic light emitting diode (OLED) display comprises: a substrate; an organic light emitting element positioned on the substrate; an organic layer covering the organic light emitting element; and an inorganic layer including an outer portion in contact with the substrate and covering the organic layer, and an end positioned on the same line as an end of the substrate.
    Type: Application
    Filed: September 22, 2011
    Publication date: April 26, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jin-Ho Kwack, Dong-Won Han, Seung-Yong Song, Hyo-Jin Kim
  • Publication number: 20120062104
    Abstract: A flat panel display device and a method of manufacturing the same. The method of manufacturing the flat panel display device includes: forming a display on a substrate; preparing an organic layer mask comprising a first mask body, a regulator extending from the first mask body and contacting the organic layer, and a tunnel having a space between the first mask body and the regulator; forming an organic layer covering the display in a region divided by the regulator of the organic layer mask, and condensing a part of the organic layer permeating through the tunnel; preparing an inorganic layer mask; and forming an inorganic layer covering the organic layers formed in the region divided by the regulator through the inorganic layer mask and in the tunnel.
    Type: Application
    Filed: March 21, 2011
    Publication date: March 15, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jin-Ho KWACK, Seung-Yong SONG, Dong-Won HAN, Jae-Ho LEE
  • Patent number: 8106583
    Abstract: Provided is an organic light emitting display apparatus in which process efficiency and contrast are increased. The organic light emitting display apparatus includes a substrate, a display unit that is formed on the substrate and includes an organic light emitting device, an encapsulation layer that is formed on the display unit so as to encapsulate the display unit, a color filter layer that is formed on the encapsulation layer, a protection layer that is formed on the color filter layer, and a black matrix that is formed on the protection layer. The black matrix is aligned not to overlap the color filter layer.
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: January 31, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Dae-Bum Shin, Min-Chul Suh, Dong-Won Han, Dong-Kyu Lee, Jin-Ho Kwack, Dong-Hun Kang, Hyo-Jin Kim
  • Publication number: 20110315314
    Abstract: A method of joining a flexible layer and a support includes forming a first metal layer on one surface of the flexible layer, forming a second metal layer on one surface of the support, cleaning the first metal layer and the second metal layer, and joining the first metal layer to the second metal layer, such that the first metal layer is between the flexible layer and the second metal layer.
    Type: Application
    Filed: September 7, 2011
    Publication date: December 29, 2011
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jae-Seob LEE, Kyu-Sung LEE, Hyo-Jin KIM, Jae-Kyeong JEONG, Jin-Ho KWACK
  • Publication number: 20110291117
    Abstract: A manufacturing method of an organic light emitting diode (OLED) display device includes forming a thin film transistor and an organic light emitting diode in a display area of a first substrate, forming a thin film encapsulation layer that has a layering structure of an organic film and an inorganic film on one substrate of the first substrate and a second substrate, forming a sealing member by coating a sealing material that includes an inorganic sealant and an organic compound on an edge of the second substrate, removing the organic compound of the sealing member by baking the sealing member, layering the second substrate on the first substrate so that the sealing member contacts the first substrate, dissolving the sealing member by using a laser beam, solidifying the sealing member, attaching the sealing member to the first substrate, and removing the second substrate from the sealing member.
    Type: Application
    Filed: March 21, 2011
    Publication date: December 1, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Jin-Ho Kwack, Dae-Beom Shin, Dong-Hun Kang, Hyo-Jin Kim