Patents by Inventor Jun-Sik Oh

Jun-Sik Oh 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: 8183562
    Abstract: An organic light emitting display apparatus includes an organic light emitting diode, a photo sensor, and a light blocking portion. The light blocking portion is at at least a side of the photo sensor so that light emitted from the organic light emitting diode is not directly incident on the photo sensor.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: May 22, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Ki-Ju Im, Yong-Sung Park, Yong-Woo Park, Moo-Jin Kim, Han-Hee Yoon, Kwang-Hae Kim, Sung-Won Doh, Kyoung-Bo Kim, Gun-Shik Kim, Jun-Sik Oh
  • Patent number: 8175124
    Abstract: A frit sealing system for combining a first substrate and a second substrate using frit comprises a laser generating a laser beam, and a homogenizer normalizing the intensity of the laser beam within a cross section of the laser beam in the transverse direction. The frit sealing system further comprises a support apparatus configured to hold a first and a second substrate with frit interposed between them, wherein the frit is configured to be cured by heat generated from the laser beam and thereby solidifying and binding the first and the second substrates.
    Type: Grant
    Filed: August 4, 2008
    Date of Patent: May 8, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Jung-Min Lee, Hee-Seong Jeong, Choong-Ho Lee, Jun-Sik Oh, Je-Kil Ryu, Won-Kyu Choe
  • Publication number: 20120104372
    Abstract: An organic light-emitting display device for suppressing external light reflection and reducing pixel blurring by disposing a scattering structure in a direction a light is extracted at a distance equal to or below an adjacent pixel pitch.
    Type: Application
    Filed: October 28, 2011
    Publication date: May 3, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Gun-Shik Kim, Jun-Sik Oh, Jang-Seok Ma
  • Publication number: 20120104430
    Abstract: An organic light emitting diode (OLED) display is disclosed. In one embodiment, the OLED display includes i) a substrate having first and second surfaces opposing each other and ii) an organic light emitting diode (OLED) formed over the substrate, wherein the OLED is closer to the first surface than the second surface of the substrate. The display may also include i) a light scattering layer formed between the first surface of the substrate and the organic light emitting diode and ii) a light absorbing layer formed between the first surface of the substrate and the light scattering layer or on the second surface of the substrate.
    Type: Application
    Filed: March 23, 2011
    Publication date: May 3, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Gun-Shik Kim, Jun-Sik Oh, Jang-Seok Ma
  • Patent number: 8154684
    Abstract: A light emission device including: a light emission panel including at least two emissive regions spaced apart from each other and a non-emissive region between the emissive regions; and a light diffuser located in front of the light emission panel, the light diffuser including at least two first diffusion parts corresponding to the emissive regions and a second diffusion part corresponding to the non-emissive region, wherein the second diffusion part has diffusion transmittance that is greater than diffusion transmittance of the first diffusion parts.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: April 10, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dong-Gun Moon, Jae-Woo Bae, Myun-Gi Shim, Do-Hyung Park, Kyu-Chan Park, Gyeong-Jae Heo, Sang-Yeol Hur, Jun-Sik Oh, Hee-Seong Jeong, Gun-Shik Kim, Jae-Kwang Ryu
  • Publication number: 20110297943
    Abstract: An organic light-emitting display device including an insulating layer having an uneven portion formed in an emission area so as to reduce changes in color characteristics due to a viewing angle, and a method of manufacturing the same. The organic light-emitting display device includes: a substrate including an emission area and a circuit area including at least one thin film transistor (TFT); an insulating layer having a contact hole located at the circuit area, and including an uneven portion located at the emission area, the contact hole exposing the at least one TFT; a first electrode located on the uneven portion and coupled to the at least one TFT through the contact hole; an organic layer located on the first electrode; and a second electrode located on the organic layer.
    Type: Application
    Filed: April 27, 2011
    Publication date: December 8, 2011
    Inventors: Gun-Shik Kim, Jun-Sik Oh
  • Publication number: 20110291550
    Abstract: A pixel arrangement of an organic light emitting display device with a plurality of repeatedly arranged sub-pixel groups, each of the sub-pixel groups includes two first sub-pixels in i-th and (i+2)-th columns (i is a natural number), two second sub-pixels in the i-th and (i+2)-th columns, the second sub-pixels being arranged in different rows with respect to the first sub-pixels, and two third sub-pixels in (i+1)-th and (i+3)-th columns, each third sub-pixel being arranged to overlap at least two adjacent rows of the first and second sub-pixels.
    Type: Application
    Filed: January 31, 2011
    Publication date: December 1, 2011
    Inventors: Gun-Shik Kim, Jun-Sik Oh, Jae-Shin Kim
  • Publication number: 20110291549
    Abstract: A pixel arrangement of an organic light emitting display device includes first sub-pixels and second sub-pixels alternately arranged in a first direction to define a plurality of first columns along the first direction, and third sub-pixels arranged along the first direction to define a plurality of second columns along the first direction among the first columns, two second columns of the third sub-pixels being arranged among three first columns of the alternating first and second sub-pixels.
    Type: Application
    Filed: January 31, 2011
    Publication date: December 1, 2011
    Inventors: Gun-Shik Kim, Jae-Shin Kim, Jun-Sik Oh
  • Patent number: 7955709
    Abstract: An organic light emitting display device and a method of fabricating the same, in which a resonance effect is suppressed and transmittance is substantially the same in a wavelength band of visible light. The organic light emitting display device includes: a substrate; a first electrode disposed on the substrate and including a reflection layer; an organic layer disposed on the first electrode and including a white emission layer; a second electrode disposed on the organic layer; a transmittance controlled layer disposed on the second electrode; and a metal layer disposed on the transmittance controlled layer.
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: June 7, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Hee-Seong Jeong, Sam-Il Kho, Byeong-Wook Yoo, Seong-Taek Lee, Jun-Sik Oh, Gun-Shik Kim
  • Publication number: 20110123707
    Abstract: A thin film deposition apparatus including a deposition source having a crucible to contain a deposition material and a heater to heat and vaporize the deposition material; a nozzle unit disposed at a side of the deposition source along a first direction and having a plurality of nozzle slits to discharge the deposition material that was vaporized; a plurality of emission coefficient increasing units disposed toward the nozzle unit within the deposition source and increasing a quantity of motion of the deposition material that is discharged toward the nozzle unit; a patterning slit sheet disposed opposite to the nozzle unit and having a plurality of patterning slits arranged along the first direction; and a barrier plate assembly disposed between the nozzle unit and the patterning slit sheet along the first direction, and having a plurality of barrier plates that partition a space between the nozzle unit and the patterning slit sheet into a plurality of sub-deposition spaces.
    Type: Application
    Filed: November 19, 2010
    Publication date: May 26, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Choong-Ho LEE, Jung-Min Lee, Jun-Sik Oh
  • Publication number: 20110109782
    Abstract: A display device and a driving method thereof for easily determining photographing timing and recognizing text by improving field visibility. The display device includes: a signal controller generating image data and an image control signal in accordance with an input signal; and a display unit including scan lines transmitting scan signals, data lines transmitting data signals, and pixels connected to the scan lines and data lines and displaying an image corresponding to the image data. Here, when the input signal is an image signal for displaying a photographed image or text, the signal controller generates the image data to correspond to a unit frame period composed of frames as weighted image data corresponding to one of the frames, and the display device displays an image corresponding to the weighted image data to have an energy proportional to a number of the frames in the unit frame period.
    Type: Application
    Filed: September 1, 2010
    Publication date: May 12, 2011
    Inventors: Soon-Ryong Park, Shingo Kawashima, Hee-Seong Jeong, Woo-Suk Jung, Gun-Shik Kim, Jae-Shin Kim, Joo-Hwa Lee, Jun-Sik Oh
  • Publication number: 20110062427
    Abstract: An organic light emitting display device (OLED) suppressing a resonance effect and having an enhanced luminance, and a method of fabricating the same, are disclosed. One embodiment of the OLED includes: a substrate; a first electrode disposed over the substrate and having a reflective layer; an organic layer disposed over the first electrode and having a white emission layer; a second electrode disposed over the organic layer; and a transmittance controlled layer (TCL) disposed over the second electrode and having an optical path length of about 260 to about 1520 ?.
    Type: Application
    Filed: November 19, 2010
    Publication date: March 17, 2011
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Hee-Seong Jeong, Sam-II Kho, Byeong-Wook Yoo, Seong-Taek Lee, Jun-Sik Oh, Gun-Shik Kim
  • Publication number: 20110012820
    Abstract: A pixel arrangement structure for an organic light emitting display including a plurality of sub-pixel groups repeatedly arranged, wherein each of the sub-pixel groups includes: four first sub-pixels for emitting light of a first color and each having a hexagonal structure, two second sub-pixels for emitting light of a second color and each including two hexagonal structures sharing one side, and two third sub-pixels for emitting light of a third color and each including two hexagonal structures sharing one side. Two of the four first sub-pixels are arranged in a same column and share a symmetrical axis, and the two second sub-pixels and the two third sub-pixels are alternately arranged on either side of the symmetrical axis.
    Type: Application
    Filed: April 14, 2010
    Publication date: January 20, 2011
    Inventors: Gun-Shik Kim, Jae-Shin Kim, Jun-Sik Oh
  • Patent number: 7872256
    Abstract: An organic light emitting display that includes a substrate, a plurality of first electrodes arranged in a corresponding plurality of pixels, the plurality of pixels including red pixels, blue pixels and green pixels, a hole injection layer arranged on the first electrodes arranged on the substrate, the hole injection layer having different respective thicknesses in correspondence with the pixels, a hole transport layer entirely covering the hole injection layer, a white light emitting layer entirely covering the hole transport layer, an electron transport layer arranged on the white light emitting layer, a second electrode arranged on the electron transport layer and a color filter arranged on the second electrode.
    Type: Grant
    Filed: March 26, 2007
    Date of Patent: January 18, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Yeun-Joo Sung, Hee-Seong Jeong, Byeong-Wook Yoo, Jun-Sik Oh, Sam-Il Kho
  • Publication number: 20100148163
    Abstract: An organic light emitting display apparatus includes an organic light emitting diode, a photo sensor, and a light blocking portion. The light blocking portion is at at least a side of the photo sensor so that light emitted from the organic light emitting diode is not directly incident on the photo sensor.
    Type: Application
    Filed: December 11, 2009
    Publication date: June 17, 2010
    Inventors: Ki-Ju Im, Yong-Sung Park, Yong-Woo Park, Moo-Jin Kim, Han-Hee Yoon, Kwang-Hae Kim, Sung-Won Doh, Kyoung-Bo Kim, Gun-Shik Kim, Jun-Sik Oh
  • Patent number: 7682061
    Abstract: A display device is provided. The display device includes a display panel comprising a display surface configured to display an image thereon, the display surface having an edge; a light source spaced apart from the display panel to form a space therebetween and configured to emit light to the display panel, wherein the display panel is configured to generate image on the display surface using the light from the light source; and a reflective surface arranged so as to reflect light emitted from the light source and to direct the reflected light to the edge.
    Type: Grant
    Filed: June 13, 2007
    Date of Patent: March 23, 2010
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kyu-Won Jung, Hun-Soo Kim, Ju-Eel Mun, Dong-Gun Moom, Gun-Shik Kim, Gyeong-Jae Heo, Jae-Kwang Ryu, Myun-gi Shim, Jae-Woo Bae, Do-Hyung Park, Sang-Yeol Hur, Hee-Seong Jeong, Kyu-Chan Park, Jun-Sik Oh, Jong-Hoon Shin
  • Publication number: 20100051925
    Abstract: An organic light emitting diode (OLED) display device which can improve emission efficiency and reduce (or minimize) resonance effect, and a method of fabricating the same. The OLED display device includes a substrate; a first electrode disposed on the substrate and including a reflective layer; an organic layer disposed on the first electrode and including a white emission layer and a hole injection layer having a thickness between 200 and 300 ?; and a second electrode disposed on the organic layer.
    Type: Application
    Filed: August 28, 2009
    Publication date: March 4, 2010
    Inventors: Sam-Il Kho, Hee-Seong Jeong, Byeong-Wook Yoo, Gun-Shik Kim, Seong-Taek Lee, Jun-Sik Oh
  • Publication number: 20100001639
    Abstract: An organic light-emitting display apparatus having a touch panel operation. The organic light-emitting display apparatus includes: a substrate; a display unit disposed on the substrate; an encapsulation substrate disposed above the display unit; a reflection layer formed on the substrate; and a photo sensor interposed between the reflection layer and the encapsulation substrate, and to detect light striking an object disposed on the encapsulation substrate.
    Type: Application
    Filed: April 22, 2009
    Publication date: January 7, 2010
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Young-Dae KIM, Kyoung-Bo KIM, Moo-Jin KIM, Cheol-Su KIM, Hye-Dong KIM, Ki-Ju IM, Yong-Sung PARK, Gun-Shik KIM, Jun-Sik OH, Brent JANG, Sang-Uk KIM
  • Publication number: 20090267962
    Abstract: A flat panel display, which can save manufacturing costs and allow various types of dither masks to be applied, and a driving method thereof are disclosed. The flat panel display includes a look-up table (LUT) storing one dither mask, which is used to algorithmically generate additional dither masks. The dither masks are applied to image data to improve image quality.
    Type: Application
    Filed: April 10, 2009
    Publication date: October 29, 2009
    Inventors: Gun-Shik Kim, Jae-Shin Kim, Jun-Sik Oh
  • Publication number: 20090233513
    Abstract: A frit sealing system for combining a first substrate and a second substrate using frit comprises a laser generating a laser beam, and a homogenizer normalizing the intensity of the laser beam within a cross section of the laser beam in the transverse direction. The frit sealing system further comprises a support apparatus configured to hold a first and a second substrate with frit interposed between them, wherein the frit is configured to be cured by heat generated from the laser beam and thereby solidifying and binding the first and the second substrates.
    Type: Application
    Filed: August 4, 2008
    Publication date: September 17, 2009
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jung-Min Lee, Hee-Seong Jeong, Choong-Ho Lee, Jun-Sik Oh, Je-Kil Ryu, Won-Kyu Choe