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).

  • Patent number: 8860027
    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: Grant
    Filed: September 22, 2011
    Date of Patent: October 14, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Koo Chung, Sang-Hoon Yim, Chan-Young Park, Jun-Ho Choi, Seong-Min Kim
  • Patent number: 8854578
    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 22, 2011
    Date of Patent: October 7, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hoon Yim, Young-Woo Song, Jin-Koo Chung
  • Publication number: 20140291637
    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: Application
    Filed: December 17, 2013
    Publication date: October 2, 2014
    Applicant: 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: 8822998
    Abstract: An organic light emitting display device includes a substrate, a plurality of sub-pixels on the substrate, each sub-pixel including a first region configured to emit light and a second region configured to transmit external light, a plurality of thin film transistors disposed in the first region of the each sub-pixel, a plurality of first electrodes disposed in the first region of each sub-pixel and electrically connected to the thin film transistors, a first insulating layer on at least a portion of the first region of each sub-pixel to cover a portion of the first electrode, an organic emission layer on the first electrode, a second insulating layer on at least a portion of the second region of each sub-pixel, the second insulating layer including a plurality of openings therein, and a second electrode covering the organic emission layer, the first insulating layer, and the second insulating layer.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: September 2, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong-Min Kim, Jun-Ho Choi, Jin-Koo Chung
  • Publication number: 20140242737
    Abstract: Provided is a cathode deposition mask. The cathode deposition mask includes a plurality of first columns and a plurality of second columns arranged alternately, the plurality of first columns and the plurality of second columns being parallel to each other and defining a column dimension along the length of each column, the first columns and the second columns each comprising a plurality of openings, the plurality of openings included in each first column being arranged alternately along the column dimension with respect to the openings in each adjacent first column, and the plurality of openings included in each second column being arranged alternately along the column dimension with respect to the openings in each adjacent second column.
    Type: Application
    Filed: November 22, 2013
    Publication date: August 28, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Koo CHUNG, Kyung Ho KIM, Kwan Hyun CHO
  • Patent number: 8816331
    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: Grant
    Filed: October 7, 2011
    Date of Patent: August 26, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Gun-Shik Kim
  • Patent number: 8809873
    Abstract: A display device is provided. The display device includes a substrate, a light blocking member formed on the substrate as a plurality of light blocking portions separated from each other, a thin film transistor including a gate line, a data line, and a semiconductor layer formed on the light blocking member, a plurality of color filters formed on the gate line, the data line, and the thin film transistor, a pixel electrode formed on the color filters and connected to the thin film transistor, and a light blocking filter covering a portion of a separation region separating the light blocking portions.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: August 19, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Koo Chung, Jun-Ho Choi, Sung-Soo Lee
  • Publication number: 20140183502
    Abstract: An OLED display includes a substrate; a first electrode on the substrate; an organic emission layer on the first electrode; a second electrode on the organic emission layer; an organic layer on the second electrode and corresponding to the first electrode; and an auxiliary electrode contacting the second electrode and neighboring the organic layer.
    Type: Application
    Filed: December 26, 2013
    Publication date: July 3, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young-Woo Song, Jin-Koo Chung
  • Publication number: 20140183483
    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: Application
    Filed: December 16, 2013
    Publication date: July 3, 2014
    Inventors: Kyung Ho Kim, Jin Koo Chung
  • Publication number: 20140145152
    Abstract: A display device including a substrate; an organic light emission unit, which is arranged on the substrate, wherein light emission regions arranged in a first direction emit light of a same color and light emission regions adjacent to one another from among light emission regions arranged in a second direction crossing the first direction emit light of different colors; a counter electrode, which is arranged to cover at least the light emission regions; and an auxiliary electrode, which is formed on the auxiliary electrode, does not overlap the light emission regions, and extends in the second direction.
    Type: Application
    Filed: March 12, 2013
    Publication date: May 29, 2014
    Applicant: C/O SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin-Koo CHUNG, Jun-Ho CHOI, Seong-Min KIM
  • Publication number: 20140145156
    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: Application
    Filed: July 24, 2013
    Publication date: May 29, 2014
    Inventors: Jun-Ho CHOI, Jin-Koo CHUNG, Seong-Min KIM
  • Publication number: 20140138643
    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: Application
    Filed: July 26, 2013
    Publication date: May 22, 2014
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Sang-Hoon Yim, Seong-Min Kim
  • Patent number: 8632635
    Abstract: A vapor deposition apparatus includes a linear head including a plurality of nozzles, and an angle controller controlling an inclined angle of the linear head. The angle of inclination of the linear head can be varied so as to position different portions of the linear head at different distances from the surface of a substrate.
    Type: Grant
    Filed: August 4, 2009
    Date of Patent: January 21, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Hyeon Lee, Jin-Koo Chung, Sung-Soo Lee
  • Patent number: 8629463
    Abstract: An organic light-emitting display device, formed to be transparent, includes a substrate; a plurality of thin film transistors disposed on the substrate; a passivation layer covering the plurality of thin film transistors; a plurality of pixel electrodes disposed on the passivation layer and connected electrically to the plurality of thin film transistors, and overlapping and covering the plurality of thin film transistors; a first conductive unit disposed on the passivation layer to be disconnected electrically from the pixel electrodes; a pixel defining layer formed on the passivation layer to cover edges of the pixel electrodes; an opposite electrode facing the plurality of pixel electrodes, and covering at least part of the first conductive unit; an organic layer, including an emission layer, disposed between the pixel electrodes and the opposite electrode; and a second conductive unit connected electrically to a portion of the opposite electrode and the first conductive unit.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: January 14, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventor: Jin-Koo Chung
  • Publication number: 20130328022
    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: January 10, 2013
    Publication date: December 12, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Seong-Min Kim
  • Patent number: 8598582
    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: Grant
    Filed: June 1, 2011
    Date of Patent: December 3, 2013
    Assignee: Samsung Display
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Seong-Min Kim
  • Patent number: 8585454
    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: Grant
    Filed: October 5, 2010
    Date of Patent: November 19, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soon-wook Cha, Jin-koo Chung, Joo-hyeon Lee, Jae-kook Ha, Jung-soo Rhee, Soo-yeon Lee, Seong-min Kim
  • Patent number: 8569773
    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: Grant
    Filed: September 22, 2011
    Date of Patent: October 29, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hoon Yim, Jin-Koo Chung
  • Publication number: 20130161656
    Abstract: An organic light-emitting display apparatus including: a substrate; a plurality of pixels that are formed on the substrate and each have a light emission area from which visible rays are emitted and a transmission area through which external light is transmitted; a pixel circuit portion disposed in each light emission area of the plurality of pixels; a first electrode that is disposed in each light emission area and is electrically connected to the pixel circuit portion; an intermediate layer that is formed on the first electrode and includes an organic emissive layer; a second electrode formed on the intermediate layer; and a capping layer that is disposed on the second electrode and includes a first capping layer corresponding to the light emission area and a second capping layer corresponding to the transmission area. Accordingly, electrical characteristics and image quality of the organic light-emitting display apparatus may be improved.
    Type: Application
    Filed: April 10, 2012
    Publication date: June 27, 2013
    Inventors: Jun-Ho Choi, Jin-Koo Chung, Seong-Min Kim
  • Patent number: 8399284
    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: Grant
    Filed: July 7, 2011
    Date of Patent: March 19, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong-Min Kim, Jae-Kook Ha, Jin-Koo Chung, Jun-Ho Choi