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: 20120327331
    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: February 21, 2012
    Publication date: December 27, 2012
    Inventors: Sang-Hoon YIM, Young-Woo SONG, Jin-Koo CHUNG
  • Publication number: 20120313099
    Abstract: The organic light emitting display device includes a substrate, a thin film transistor (TFT) formed on the substrate, a first insulating layer covering the TFT, a first electrode formed on the first insulating layer and electrically connected to the TFT, a second insulating layer formed on the first insulating layer to cover the first electrode and has an opening to expose a portion of the first electrode, an organic layer formed on a portion of the second insulating layer and the first electrode, a second electrode formed on the second insulating layer and the organic layer includes a first region and a second region, a capping layer formed on a first region of the second electrode and having first edges, and a third electrode formed on a second region of the second electrode and having second edges whose side surfaces contact side surfaces of the first edges.
    Type: Application
    Filed: December 12, 2011
    Publication date: December 13, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jin-Koo Chung, Jun-Ho Choi, Seong-Min Kim
  • Publication number: 20120299472
    Abstract: An organic light emitting display apparatus includes a substrate and a sealing member that are separated from each other; a pixel electrode on the substrate; a pixel defining layer on the pixel electrode and exposing a portion of the pixel electrode; an intermediate layer including a light emitting layer on the exposed portion of the pixel electrode; a facing electrode on the pixel defining layer and the intermediate layer; and a reflection member on a surface of the sealing member facing the substrate and patterned to have an opening portion that exposes the pixel electrode, wherein the opening portion is formed such that a boundary portion of the opening portion is closer to a center of the intermediate layer than a boundary portion of the portion of the pixel electrode exposed by the pixel defining layer.
    Type: Application
    Filed: August 3, 2012
    Publication date: November 29, 2012
    Inventors: Jin-Koo Chung, Sang-Hoon Yim, Jun-Ho Choi, Seong-Min Kim, Seung-Wook Chang, Hye-Dong Kim, Mu-Hyun Kim
  • Publication number: 20120280215
    Abstract: An organic light-emitting display apparatus including: a substrate; a plurality of pixels on a first surface of the substrate, each pixel of the pixels having a first region in which visible rays are emitted and a second region through which external light penetrates, such that the plurality of pixels provide a plurality of first and second regions; a plurality of pixel circuit units in the first region of each pixel, each pixel circuit unit of the pixel circuit units including at least one thin film transistor (TFT); a plurality of first electrodes independently disposed in the first region of each pixel, each first electrode of the first electrodes being electrically connected to each pixel circuit unit; a second electrode facing the first electrodes, the second electrode being electrically connected throughout the pixels; and an intermediate layer including an organic emitting layer between the first electrodes and the second electrode.
    Type: Application
    Filed: October 7, 2011
    Publication date: November 8, 2012
    Inventors: Jun-Ho CHOI, Jin-Koo Chung, Gun-Shik Kim
  • Publication number: 20120267643
    Abstract: Embodiments relate to an organic light-emitting display device, comprising a first substrate defined by a plurality of pixels each including a pixel area and a transmittance area adjacent to the pixel area, the pixel area emitting light in a first direction and the transmittance area transmitting external light, and the first substrate including a pair of optical pattern units for transmitting or blocking the external light for each transmittance area according to coded patterns corresponding to the plurality of pixels, a second substrate facing the first substrate and encapsulating the plurality of pixels on the first substrate, and a pair of sensor units corresponding to the pair of optical pattern units, the pair of sensor units being arranged in a second direction that is opposite to the first direction in which the light is emitted, the pair of sensor units receiving the external light passing through the pair of optical pattern units.
    Type: Application
    Filed: September 22, 2011
    Publication date: October 25, 2012
    Inventors: Sang-Hoon Yim, Jin-Koo Chung
  • Publication number: 20120268696
    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: Application
    Filed: September 22, 2011
    Publication date: October 25, 2012
    Inventors: Sang-Hoon Yim, Young-Woo Song, Jin-Koo Chung
  • Publication number: 20120267611
    Abstract: Embodiments may disclose an organic light-emitting display device including a first substrate including a pixel area emitting light in a first direction, and a transmittance area that is adjacent to the pixel area and transmits external light; a second substrate facing the first substrate and encapsulating a pixel on the first substrate; an optical pattern array on the first substrate or the second substrate to correspond to the transmittance area, the optical pattern array being configured to transmit or block external light depending on the transmittance area according to a coded pattern; and a sensor array corresponding to the optical pattern array, the sensor array being arranged in a second direction that is opposite to the first direction in which the light is emitted, the second array receiving the external light passing through the optical pattern array.
    Type: Application
    Filed: September 22, 2011
    Publication date: October 25, 2012
    Inventors: Jin-Koo Chung, Sang-Hoon Yim, Chan-Young Park, Jun-Ho Choi, Seong-Min Kim
  • Patent number: 8274090
    Abstract: An organic light-emitting display device includes: a substrate; pixels on a first side of the substrate, each of the pixels comprising a first region for emitting light and a second region for transmitting external light; pixel circuits on the first regions of the pixels, each of the pixel circuits comprising at least one thin film transistor; an insulating layer covering the pixel circuits; first electrodes on the insulating layer, spaced from each other on the first regions, and electrically connected to the pixel circuits; a second electrode opposite the first electrodes and formed throughout the first and second regions of all the pixels; an organic layer between the first electrodes and the second electrode; a sealing member facing the first side of the substrate; and an anti-reflection layer located on at least one of a second side of the substrate or an outer side of the sealing member.
    Type: Grant
    Filed: July 6, 2011
    Date of Patent: September 25, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Chan-Young Park, Sung-Min Kim, Young-Woo Song, Sung-Chul Kim, Jae-Heung Ha, Kyu-Hwan Hwang, Seok-Gyu Yoon, Jong-Hyuk Lee
  • Patent number: 8226450
    Abstract: A method of manufacturing a display device includes forming a thin film transistor on an insulating substrate, forming an electrode which is electrically connected with the thin film transistor, forming a wall which surrounds the electrode, supplying a first solvent to the electrode that is surrounded by the wall, and supplying ink which comprises an organic material and a second solvent to the electrode which has previously received the first solvent. Thus, the manufacturing method produces a display device which has a uniform organic layer.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: July 24, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-won Lee, Jung-soo Rhee, Jin-koo Chung
  • Patent number: 8212474
    Abstract: In a display device and a method of manufacturing the display device, the display device has a substrate having a first region and a second region disposed at a peripheral portion of the first region. The substrate includes a plurality of first electrodes disposed on the first region and an insulation member selectively disposed in the first region. The insulating member has a plurality of openings that expose a portion corresponding to the first electrodes. The substrate includes light emitting patterns are disposed on the first electrodes through the openings and the substrate has a second electrode disposed on the light emitting patterns. Accordingly, the thickness of the light emitting patterns is uniformity so that the quality of an image generated from the light emitting patterns is improved.
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: July 3, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin-Koo Chung, Joon-Hoo Choi, Dong-Won Lee
  • Patent number: 8211491
    Abstract: In accordance with one or more embodiments of the present disclosure, a method of manufacturing a light-emitting element includes forming an anode on a substrate, forming a first transport layer including one or more first polar compounds on the anode, forming a first non-polar solvent layer on the first transport layer, forming a first polar solution layer including one or more light-emitting compounds on the first non-polar solution layer, drying a polar solvent of the first polar solution layer and the first non-polar solvent layer so that a light-emitting layer including the one or more light-emitting compounds is formed on the first transport layer and forming a cathode on the light-emitting layer. The cathode is disposed opposite to the anode. As such, damage to the first transport layer may be reduced when forming the light-emitting layer, which may improve the reliability and productivity of a manufacturing process.
    Type: Grant
    Filed: January 21, 2009
    Date of Patent: July 3, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-Kook Ha, Chang-Woong Chu, Jin-Koo Chung, Joo-Hyeon Lee
  • Publication number: 20120162490
    Abstract: In an image capturing apparatus and a photographing method using the same, the image capturing apparatus comprises: a transparent display panel; and a camera facing a bottom surface of the transparent display panel for synchronizing a shutter time with a period when the transparent display panel displays a black image, and for capturing an image positioned in front of the transparent display panel, thereby capturing a clear image without interference between images due to light-leakage property.
    Type: Application
    Filed: May 6, 2011
    Publication date: June 28, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jin-Koo Chung, Chan-Young Park, Jun-Ho Choi, Joo-Hyeon Lee, Seong-Min Kim, Sang-Moo Choi
  • Publication number: 20120153321
    Abstract: An OLED display is disclosed. The display includes a substrate main body where a plurality of pixel areas are formed. Each pixel area includes an opaque area and a transparent area, and the opaque area includes a display area that emits light. The display area and the transparent area are separated by a conductive line disposed therebetween.
    Type: Application
    Filed: May 4, 2011
    Publication date: June 21, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Jin-Koo Chung, Jun-Ho Choi, Joo-Hyeon Lee, Seong-Min Kim, Byoung-Hee Park
  • Publication number: 20120120007
    Abstract: A method of controlling a transparent display apparatus and a transparent display apparatus are disclosed. According to one aspect, the method includes detecting a subject, defining a subject area corresponding to the subject, and displaying a single color image in the subject area.
    Type: Application
    Filed: August 12, 2011
    Publication date: May 17, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Sang-Moo Choi, Jin-Koo Chung
  • Patent number: 8178867
    Abstract: An organic light emitting display includes an insulating substrate having a first area, a second area, and a third area, an organic layer located in the second area, a pixel electrode located on the organic layer in the first area and the second area, and a partition wall including an opening exposing a portion of the pixel electrode. The organic light emitting display further includes an organic light emitting member located in the opening and a common electrode located on the organic light emitting member. The opening is disposed in the first area, and the third area includes a trench separating the second area from an adjacent second area.
    Type: Grant
    Filed: September 16, 2009
    Date of Patent: May 15, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun-Ho Choi, Seong-Min Kim, Jin-Koo Chung, Jae-Kook Ha
  • Publication number: 20120104422
    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: September 9, 2011
    Publication date: May 3, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Joo-Hyeon Lee, Byoung-Hee Park, Jin-Koo Chung, Jun-Ho Choi, Seong-Min Kim
  • Publication number: 20120080680
    Abstract: An organic light emitting display device includes a substrate, a plurality of unit pixels on the substrate, each unit pixel including a first region that emits light and a second region that transmits external light, thin film transistors (TFTs) disposed in the first region of each unit pixel, first electrodes disposed in the first region of each unit pixel, each first electrode being electrically connected to one of the TFTs, a second electrode facing the first electrodes, and commonly disposed in the unit pixels, and an organic layer interposed between the first electrodes and the second electrode, and including an emissive layer. With respect to two adjacent pixels of the plurality of unit pixels, the first region and the second region in one unit pixel are symmetrical with the first region and the second region in another adjacent unit pixel, and the second regions are connected to each other.
    Type: Application
    Filed: June 1, 2011
    Publication date: April 5, 2012
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Seong-Min Kim
  • Publication number: 20120049207
    Abstract: A thin film deposition apparatus, which has high external light transmittance and a cathode having a uniform thickness, is disclosed. In one embodiment, the thin film deposition apparatus includes a deposition source spaced apart from a center of the substrate and configured to emit a deposition material toward the substrate and a blocking member disposed on the substrate and configured to block at least part of the deposition material emitted from the deposition source, wherein an opening is defined on at least one side of the blocking member.
    Type: Application
    Filed: July 7, 2011
    Publication date: March 1, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Seong-Min Kim, Jae-Kook Ha, Jin-Koo Chung, Jun-Ho Choi
  • Publication number: 20120049206
    Abstract: An organic light-emitting display device includes: a substrate; pixels on a first side of the substrate, each of the pixels comprising a first region for emitting light and a second region for transmitting external light; pixel circuits on the first regions of the pixels, each of the pixel circuits comprising at least one thin film transistor; an insulating layer covering the pixel circuits; first electrodes on the insulating layer, spaced from each other on the first regions, and electrically connected to the pixel circuits; a second electrode opposite the first electrodes and formed throughout the first and second regions of all the pixels; an organic layer between the first electrodes and the second electrode; a sealing member facing the first side of the substrate; and an anti-reflection layer located on at least one of a second side of the substrate or an outer side of the sealing member.
    Type: Application
    Filed: July 6, 2011
    Publication date: March 1, 2012
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Chan-Young Park, Sung-Min Kim, Young-Woo Song, Sung-Chul Kim, Jae-Heung Ha, Kyu-Hwan Hwang, Seok-Gyu Yoon, Jong-Hyuk Lee
  • Publication number: 20120018679
    Abstract: A display device includes an insulating substrate, barriers surrounding predetermined regions on the insulating substrate, wherein ink composition is supplied in the predetermined regions, the ink composition including a first solvent which remains in a solid state in a temperature range between 10° C. and 30° C., a second solvent which remains in a liquid state in a temperature range between 10° C. and 30° C., and an organic material, and an organic layer formed in the predetermined regions by volatilizing the first solvent and the second solvent. Thus, the present invention provides a display device with an organic layer of regular quality.
    Type: Application
    Filed: October 5, 2010
    Publication date: January 26, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soon-wook CHA, Jin-koo CHUNG, Joo-hyeon LEE, Jae-kook HA, Jung-soo RHEE, Soo-yeon LEE, Seong-min KIM