Patents by Inventor Il Nam

Il Nam 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: 20160179194
    Abstract: A method of driving a display device, including: counting the number of times of input of a user event; calculating an event input rate defined as the number of times of input of the user event per unit time; and displaying a subliminal image when the event input rate is equal to or greater than a first reference value.
    Type: Application
    Filed: September 9, 2015
    Publication date: June 23, 2016
    Inventor: Il-Nam KIM
  • Patent number: 9293737
    Abstract: An organic light emitting diode (OLED) display includes a substrate, a light path guide layer formed on the substrate and having an inclined side wall, an organic light emitting diode (OLED) formed on the substrate and the light path guide layer, and a phase transition layer formed on the OLED and formed so as to correspond to the inclined side wall. Therefore, in the OLED display, the phase transition layer is formed in the light path guide layer so that it is possible to minimize external light reflectance increased by the light path guide layer.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: March 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo-Min Baek, Won-Sang Park, Min-Woo Kim, Il-Nam Kim, Jae-Kyoung Kim, Hae-Yun Choi
  • Publication number: 20160079570
    Abstract: Disclosed are an organic light emitting diode display and a manufacturing method thereof, and more particularly, an organic light emitting diode display capable of minimizing resistance increase of a second electrode and improving light extraction efficiency at the same time by forming a separate reflector, and a manufacturing method thereof.
    Type: Application
    Filed: November 20, 2015
    Publication date: March 17, 2016
    Inventors: Il-Nam Kim, Won-Sang Park, Min-Woo Kim
  • Patent number: 9219251
    Abstract: An organic light emitting display apparatus includes a substrate divided into a first light emission region, and a transmission region adjacent to the first light emission and through which an external light is transmitted, an organic light emitting device on the substrate and in the first light emission region, and including a pixel electrode, an intermediate layer on the pixel electrode and including an organic light emission layer, and an opposite electrode on the intermediate layer; and a light scattering layer on the substrate and in the transmission region, and configured to scatter a light incident thereto from the intermediate layer in the first light emission region.
    Type: Grant
    Filed: May 28, 2014
    Date of Patent: December 22, 2015
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seock-Hwan Kang, Jae-Kyoung Kim, Min-Woo Kim, Il-Nam Kim, Sung-Kook Park
  • Publication number: 20150364091
    Abstract: A display device and method of driving the display device are disclosed. In one aspect, the display device includes a display panel including a plurality of pixels and a scan driver configured to apply a scan signal having activation and deactivation levels to the pixels. Each of the pixels includes a storage capacitor, a switching transistor, a driving transistor and an emitting element configured to emit light based on an emission current received from the driving transistor. The scan driver is configured to selectively control the activation level of the scan signal so as to control the amount of charge stored in the storage capacitor. The driving transistor is configured to control the emission current based on the amount of charge stored in the storage capacitor.
    Type: Application
    Filed: December 17, 2014
    Publication date: December 17, 2015
    Inventors: Byeong-Hee Won, Il-Nam Kim, Jong-In Baek, Min-Gyeong Jo
  • Patent number: 9214206
    Abstract: A method of testing a non-volatile memory device and a method of managing the non-volatile memory device are provided. The method of testing the non-volatile memory device includes calculating first and second values based on program loop frequencies corresponding to word lines of a memory area. A characteristic value of the memory area may be calculated based on the first and second values, and may be compared to a reference value to determine whether the memory area is defective.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: December 15, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-In Park, Boh-Chang Kim, Bu-il Nam, Dong-Ku Kang
  • Publication number: 20150356954
    Abstract: A method of operating an electronic device includes displaying a first image, extracting a user-interested region from a region including the first image, and displaying a bioeffect image at the user-interested region. The first image and bioeffect image are different images.
    Type: Application
    Filed: January 5, 2015
    Publication date: December 10, 2015
    Inventors: Chang-Hoon LEE, IL-Nam KIM, Jong-In BAEK, Yi-Joon AHN
  • Publication number: 20150324981
    Abstract: An electronic device includes a processor configured to control an operation of the electronic device, a memory device coupled to the processor, where the memory device is configured to operate as a main memory of the electronic device, and a display device coupled to the processor, where the display device is configured to display an original image based on first image data for the original image at a first frame, and to display a bioeffect image based on second image data for the bioeffect image at a second frame.
    Type: Application
    Filed: October 31, 2014
    Publication date: November 12, 2015
    Inventors: Il-Nam KIM, Hak-Sun KIM, Won-Sang PARK, Jong-Sung BAE, Jong-In BAEK
  • Publication number: 20150303407
    Abstract: An organic light emitting diode (OLED) display includes a substrate, a light path guide layer formed on the substrate and having an inclined side wall, an organic light emitting diode (OLED) formed on the substrate and the light path guide layer, and a phase transition layer formed on the OLED and formed so as to correspond to the inclined side wall. Therefore, in the OLED display, the phase transition layer is formed in the light path guide layer so that it is possible to minimize external light reflectance increased by the light path guide layer.
    Type: Application
    Filed: June 4, 2015
    Publication date: October 22, 2015
    Inventors: Soo-Min BAEK, Won-Sang PARK, Min-Woo KIM, Il-Nam KIM, Jae-Kyoung KIM, Hae-Yun CHOI
  • Patent number: 9142793
    Abstract: An OLED display includes: a substrate; a thin film transistor on the substrate; a first insulation layer on the thin film transistor; a second insulation layer on the first insulation layer, the second insulation layer having a first opening exposing a portion of the first insulation layer; a first electrode electrically connected with the thin film transistor and contacting the second insulation and contacting the first insulation layer through the first opening; a pixel defining layer disposed on the first electrode and having a second opening exposing a portion of the first electrode in a region corresponding to the first opening, the second opening being smaller than the first opening; an organic emission layer on the first electrode in a region corresponding to the second opening; and a second electrode on the organic emission layer in a region corresponding to the second opening.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: September 22, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hae-Yun Choi, Jae-Kyoung Kim, Min-Woo Kim, Il-Nam Kim
  • Publication number: 20150248855
    Abstract: An organic light emitting display device includes: a display panel including a red sub-pixel, a green sub-pixel, a first blue sub-pixel, and a second blue sub-pixel connected to scan lines and data lines; a scan driver configured to drive the plurality of scan lines; a data driver configured to output a data output signal in response to a data signal; a de-multiplexer circuit configured to sequentially provide the data output signal to a first data line, a second data line, a third data line, and a fourth data line, respectively to the red sub-pixel, the green sub-pixel, the first blue sub-pixel, and the second blue sub-pixel, in response to selection signals; and a timing controller configured to provide the data signal to the data driver, control the scan driver, and output the selection signals in response to an image signal and a control signal.
    Type: Application
    Filed: September 4, 2014
    Publication date: September 3, 2015
    Inventor: Il Nam KIM
  • Patent number: 9082997
    Abstract: An organic light emitting diode (OLED) display includes a substrate, a light path guide layer formed on the substrate and having an inclined side wall, an organic light emitting diode (OLED) formed on the substrate and the light path guide layer, and a phase transition layer formed on the OLED and formed so as to correspond to the inclined side wall. Therefore, in the OLED display, the phase transition layer is formed in the light path guide layer so that it is possible to minimize external light reflectance increased by the light path guide layer.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: July 14, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Soo-Min Baek, Won-Sang Park, Min-Woo Kim, Il-Nam Kim, Jae-Kyoung Kim, Hae-Yun Choi
  • Publication number: 20150194634
    Abstract: An organic light emitting display apparatus includes a substrate divided into a first light emission region, and a transmission region adjacent to the first light emission and through which an external light is transmitted, an organic light emitting device on the substrate and in the first light emission region, and including a pixel electrode, an intermediate layer on the pixel electrode and including an organic light emission layer, and an opposite electrode on the intermediate layer; and a light scattering layer on the substrate and in the transmission region, and configured to scatter a light incident thereto from the intermediate layer in the first light emission region.
    Type: Application
    Filed: May 28, 2014
    Publication date: July 9, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Seock-Hwan Kang, Jae-Kyoung Kim, Min-Woo Kim, Il-Nam Kim, Sung-Kook Park
  • Patent number: 9040193
    Abstract: In a cap assembly and a rectangular type secondary battery having the cap assembly, the cap assembly includes a cap plate made of a metallic or nonmetallic material, a hollow, low-melting point glass metal tube inserted into a hole formed in the cap plate, and a metallic or nonmetallic pin inserted into the hollow glass metal tube, wherein the cap plate, the glass metal tube and the pin are atomically bonded with one another at their contact areas by high-temperature heating.
    Type: Grant
    Filed: August 12, 2002
    Date of Patent: May 26, 2015
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jung-Il Nam, Heang-Lea Cho, Young-Hoon Kim
  • Patent number: 9029838
    Abstract: An organic light emitting display device comprises a first substrate, an insulation layer having an inclined structure, a first electrode, a pixel defining layer defining a luminescent region and a non-luminescent region, an organic light emitting structure, a second electrode and a second substrate. Lateral portions of the first electrode, the second electrode and/or the pixel defining layer may have an inclination angle for preventing a total reflection of light generated from the organic light emitting structure, so that the organic light emitting display device may ensure a light efficiency substantially larger than that of the conventional organic light emitting display device by about at least 30 percent.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: May 12, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Ik Lim, Won-Sang Park, Soo-Min Baek, Min-Woo Kim, Il-Nam Kim, Jae-Kyoung Kim
  • Patent number: 8982166
    Abstract: A display device includes a display panel having a plurality of source and gate lines and a plurality of pixels at intersection points of the gate lines and source lines, a gate driver configured to output a plurality of gate driving signals for driving the gate lines, a source driver configured to output a plurality of source driving signals for driving the source lines, a gray voltage generator configured to supply a plurality of gray scale voltages to the source driver, and a common voltage generator configured to generate a plurality of common voltages having different levels and to alternately supply one of the generated common voltages in sequence to the pixels per frame, the source driver being configured to output a source driving signal in response to a data signal in accordance with a level of the common voltage supplied by the common voltage generator.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: March 17, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Il Nam Kim, Minwoo Kim, Soomin Baek, Jae-Kyoung Kim
  • Patent number: 8975636
    Abstract: An organic light emitting display device may include a substrate having a switching device, a first electrode including a reflection structure and being electrically connected to the switching device, a pixel defining layer disposed on the first electrode to define a luminescent region and a nonluminescent region, an organic light emitting structure disposed over the pixel defining layer, and a second electrode disposed over the organic light emitting structure. The first electrode may include the reflection structure such as a recess structure or a protrusion structure, so that the organic light emitting display device may ensure an enhanced light efficiency. Additionally, pixels of the organic light emitting display device may have improved uniformity because an opening of the pixel defining layer may have a rounded shape.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: March 10, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Il-Nam Kim, Won-Sang Park, Min-Woo Kim, Soo-Min Baek, Jae-Kyoung Kim
  • Publication number: 20150063030
    Abstract: A method of testing a non-volatile memory device and a method of managing the non-volatile memory device are provided. The method of testing the non-volatile memory device includes calculating first and second values based on program loop frequencies corresponding to word lines of a memory area. A characteristic value of the memory area may be calculated based on the first and second values, and may be compared to a reference value to determine whether the memory area is defective.
    Type: Application
    Filed: August 26, 2014
    Publication date: March 5, 2015
    Inventors: Sang-In PARK, Boh-Chang KIM, Bu-il NAM, Dong-Ku KANG
  • Patent number: 8964275
    Abstract: A display apparatus may include a first substrate having one or more unit pixel regions defined and including a driving thin film transistor, a second substrate disposed on the first substrate and facing the first substrate, and a color absorbing layer disposed on the first substrate.
    Type: Grant
    Filed: November 1, 2011
    Date of Patent: February 24, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Woo Kim, Soo-Min Baek, Il-Nam Kim, Jae-Kyoung Kim, Won-Sang Park
  • Patent number: 8957887
    Abstract: An electrophoretic display apparatus and a method of driving the same. Gradation display using pulse amplitude modulation (PAM) may be achieved using a gate pulse having a pulse width and a voltage level that are set not to fully charge a parasitic capacitance component of a switching transistor included in each pixel.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: February 17, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Il-Nam Kim, Min-Woo Kim, Soo-Min Baek, Jae-Kyoung Kim