Patents by Inventor Moo Choi

Moo Choi 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: 20190378887
    Abstract: An organic light emitting diode display includes a substrate, a semiconductor layer on the substrate, the semiconductor layer including a doped area and an undoped area, a first insulation layer that covers the semiconductor layer, a first conductor on the first insulation layer, a second insulation layer that covers the first conductor, a second conductor on the second insulation layer, a third insulation layer that covers the second conductor, and a third conductor on the third insulation layer, wherein, in the semiconductor layer that overlaps the first conductor, the doped area is between undoped areas.
    Type: Application
    Filed: June 6, 2019
    Publication date: December 12, 2019
    Inventors: Sung Hwan KIM, Won Kyu KWAK, Sang Moo CHOI, Ji-Hyun KA, Chul Kyu KANG, Dong Wook KIM, Won Se LEE
  • Patent number: 10495893
    Abstract: A hardware system for inputting a 3D image in a flat panel includes: a 3D image source input unit which is mounted on a 3D monitor equipped with a lenticular lens for transferring a left eye image and a right eye image on a front surface of an LCD panel, respectively, to viewer's left eye and right eye and receives a 3D image in a side by side form in which a left eye image and a right eye image are combined in parallel left and right from a 3D image reproducing device, which is externally connected to the 3D monitor, through an image input terminal; and a viewer position tracker which is mounted on the 3D monitor to track, in real time, a viewer's position from an image photographed by a camera photographing a front of the 3D monitor.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: December 3, 2019
    Assignees: CELLVIC CO., LTD., PNST CO., LTD.
    Inventors: Byung-Moo Choi, Yong-Seok Jin, Jong-In Noh, Kwang-Hwan Kim
  • Patent number: 10444270
    Abstract: A semiconductor integrated circuit test system can include a first semiconductor integrated circuit tester configured to conduct a first test of a first characteristic of one of a plurality of semiconductor integrated circuits, wherein the first test is completed by the first semiconductor integrated circuit tester within a first test time. A second semiconductor integrated circuit tester, can be coupled to the first semiconductor integrated circuit tester, where the second semiconductor integrated circuit tester can be configured to conduct a second test of a second characteristic of each of the plurality of the semiconductor integrated circuits simultaneously, wherein the second test is completed within a second test time that is at least about two orders of magnitude more than the first test time.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji Nyeong Yun, Jae Moo Choi, Jong Pill Park, Jae Hong Kim
  • Patent number: 10424629
    Abstract: A display device includes: a substrate: a first electrode and a second electrode disposed on the substrate and facing each other; an emission layer disposed between the first electrode and the second electrode; a common voltage line disposed on the substrate and connected to the second electrode to transmit a common voltage; a thin film encapsulation layer covering the second electrode; auxiliary wiring disposed on the thin film encapsulation layer and connected to the common voltage line; a covering layer covering the auxiliary wiring; and a touch panel disposed on the covering layer. Thus, a voltage drop of the common voltage ELVSS may be minimized, and the luminance uniformity may be improved.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: September 24, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Moo Choi, Won Kyu Kwak, Dong Wook Kim
  • Patent number: 10380943
    Abstract: An organic light emitting display device includes pixels connected to scan lines, data lines, and emission control lines to emit light components in response to amounts of current that flow from a first driving power source to a second driving power source, a sensing unit connected between the first or second driving power source and the pixels to measure to at least one of current and voltage, a controller to sense a control signal in response to at least one of the current and the voltage measured by the sensing unit, a timing controller to supply a plurality of emission start signals with different widths in a one frame period in response to the control signal when the organic light emitting display device is driven at a low frequency, and an emission driver to supply emission control signals to the emission control lines in response to the emission start signals.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: August 13, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Moo Choi, Ji Hyun Ka, Won Kyu Kwak, Jin Jeon, Jin Tae Jeong
  • Publication number: 20190181211
    Abstract: A display device, includes: a display area including an upper side, a lower side, a left side, a right side, and inclined corner portions where the upper, lower, left, and right sides meet; a demultiplexing circuit unit adjacent to the lower side of the display area and the corner portion connected thereto; and a scan transmission line which extends toward the display area from an outer side of the left side and overlaps with the demultiplexing circuit unit outside the corner portion, wherein the demultiplexing circuit unit includes a demultiplexer transistor, and the scan transmission line is formed of a different conductive layer from an electrode of a demultiplexer transistor.
    Type: Application
    Filed: October 30, 2018
    Publication date: June 13, 2019
    Inventors: Han Sung BAE, Se Ho KIM, Sun Ja KWON, Dong Wook KIM, Jun Yong AN, Sang Moo CHOI, Jun Won CHOI
  • Publication number: 20190172888
    Abstract: The organic light emitting display device includes a substrate having a display area in which a plurality of pixels including an organic light emitting diode is arranged and a peripheral area surrounding the display area; a pad disposed on the substrate in the peripheral area; a first conductive pattern disposed on one side of the display area in the peripheral area and electrically connected to the pad; a second conductive pattern disposed on the substrate in the peripheral area and disposed on an opposite side of the first conductive pattern with the display area interposed between the first conductive pattern and the second conductive pattern; a first connection electrode disposed on the first conductive pattern in the peripheral area and electrically connected to the first conductive pattern; and a second connection electrode disposed on the second conductive pattern in the peripheral area and electrically connected to the second conductive pattern, wherein a cathode electrode of the organic light emittin
    Type: Application
    Filed: July 12, 2018
    Publication date: June 6, 2019
    Inventors: Sang Moo CHOI, Mi Hae KIM, Sang Won SEOK, Hwan Soo JANG, Su Jin LEE
  • Publication number: 20190129193
    Abstract: A hardware system for inputting a 3D image in a flat panel includes: a 3D image source input unit which is mounted on a 3D monitor equipped with a lenticular lens for transferring a left eye image and a right eye image on a front surface of an LCD panel, respectively, to viewer's left eye and right eye and receives a 3D image in a side by side form in which a left eye image and a right eye image are combined in parallel left and right from a 3D image reproducing device, which is externally connected to the 3D monitor, through an image input terminal; and a viewer position tracker which is mounted on the 3D monitor to track, in real time, a viewer's position from an image photographed by a camera photographing a front of the 3D monitor.
    Type: Application
    Filed: April 23, 2018
    Publication date: May 2, 2019
    Inventors: Byung-Moo CHOI, Yong-Seok JIN, Jong-In NOH, Kwang-Hwan KIM
  • Patent number: 10215817
    Abstract: An RF coil has an improved structure to prevent an excessive heat from being transferred to an object, and a magnetic resonance imaging apparatus includes the same. The MRI apparatus includes an RF coil configured to receive an RF signal, wherein the RF coil may include a first cover configured to allow thermal insulation material to be injected into the inside thereof, a second cover configured to allow thermal insulation material to be injected into the inside thereof and detachably coupled to the first cover to form an inner space with the first cover, and at least one circuit board disposed in the inner space and on which a circuit element configured to receive the RF signal is mounted.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: February 26, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyung Moo Choi, Hae-Gweon Park, Ju Hyung Lee
  • Publication number: 20190057650
    Abstract: An organic light emitting display device includes pixels connected to scan lines, data lines, and emission control lines to emit light components in response to amounts of current that flow from a first driving power source to a second driving power source, a sensing unit connected between the first or second driving power source and the pixels to measure to at least one of current and voltage, a controller to sense a control signal in response to at least one of the current and the voltage measured by the sensing unit, a timing controller to supply a plurality of emission start signals with different widths in a one frame period in response to the control signal when the organic light emitting display device is driven at a low frequency, and an emission driver to supply emission control signals to the emission control lines in response to the emission start signals.
    Type: Application
    Filed: February 27, 2018
    Publication date: February 21, 2019
    Inventors: Sang Moo Choi, Ji Hyun Ka, Won Kyu Kwak, Jin Jeon, Jin Tae Jeong
  • Publication number: 20190022701
    Abstract: An interposer includes: a circuit board stack in which circuit boards are stacked; and an outer board arranged on at least one of outer side surfaces of the circuit board stack. The circuit boards are arranged include first conductive lines having first ends exposed through a first side portion of the circuit boards and second ends exposed through a second side portion opposite the first side portion of the circuit boards. The outer board includes second conductive lines having first ends exposed through a different side from the first side portion of the circuit boards and second ends exposed through a side portion located on a same side as the second side portion of the circuit boards.
    Type: Application
    Filed: July 18, 2018
    Publication date: January 24, 2019
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Dong Won SHIN
    Inventors: Kyung-moo CHOI, Dong Won SHIN
  • Publication number: 20190027675
    Abstract: The method of bonding an interposer and an integrated circuit chip includes preparing an interposer including an insulator and conductive lines each having one end exposed to a first surface of the insulator and another end exposed to a second surface opposite to the first surface; placing a bonding mask on the interposer; forming through-holes on the bonding mask before or after the placing of the bonding mask on the interposer; filling the plurality with a conductive material; and bonding an integrated circuit chip to the bonding mask.
    Type: Application
    Filed: July 18, 2018
    Publication date: January 24, 2019
    Applicants: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyung-moo Choi, Dong Won Shin
  • Publication number: 20190027093
    Abstract: A display device includes pixels, an auxiliary pixel, a controller, and an emission driver. The pixels are coupled to data lines and emission control lines. The auxiliary pixel is coupled to an auxiliary data line and auxiliary emission control lines. The controller is configured to measure an auxiliary current supplied from the auxiliary pixel through an auxiliary line, and to control a width of an emission start signal based on an accumulation amount of the auxiliary current. The emission driver is configured to, based on the emission start signal, supply emission control signals to the pixels and the auxiliary pixel through the emission control lines and the auxiliary emission control lines.
    Type: Application
    Filed: July 17, 2018
    Publication date: January 24, 2019
    Inventors: Sang Moo Choi, Jin Woo Park, Dong Sun Lee
  • Publication number: 20180308918
    Abstract: An organic light-emitting display device including: pixels disposed on each of horizontal lines, each of the pixels includes an organic light-emitting diode, and an auxiliary transistor coupled between an anode electrode of the organic light-emitting diode and an auxiliary power source; and at least one reference transistor disposed on each of the horizontal lines and coupled between a reference power source and at least one of the pixels. The auxiliary transistor and the reference transistor may be simultaneously turned on.
    Type: Application
    Filed: April 17, 2018
    Publication date: October 25, 2018
    Inventors: Sang Moo CHOI, Seung Kyu LEE
  • Publication number: 20180286937
    Abstract: A display device includes: a substrate: a first electrode and a second electrode disposed on the substrate and facing each other; an emission layer disposed between the first electrode and the second electrode; a common voltage line disposed on the substrate and connected to the second electrode to transmit a common voltage; a thin film encapsulation layer covering the second electrode; auxiliary wiring disposed on the thin film encapsulation layer and connected to the common voltage line; a covering layer covering the auxiliary wiring; and a touch panel disposed on the covering layer. Thus, a voltage drop of the common voltage ELVSS may be minimized, and the luminance uniformity may be improved.
    Type: Application
    Filed: January 11, 2018
    Publication date: October 4, 2018
    Inventors: Sang Moo CHOI, Won Kyu KWAK, Dong Wook KIM
  • Patent number: 10057541
    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: Grant
    Filed: May 6, 2011
    Date of Patent: August 21, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Koo Chung, Chan-Young Park, Jun-Ho Choi, Joo-Hyeon Lee, Seong-Min Kim, Sang-Moo Choi
  • Patent number: 10048528
    Abstract: A liquid crystal display (LCD) includes a thin film transistor positioned on a lower substrate; a plurality of color filters positioned on the thin film transistor and aligned to be spaced apart from each other; an insulation layer positioned on the plurality of color filters; a light-blocking layer positioned on the insulation layer; a transparent layer positioned on the light-blocking layer and having a convex shape; an upper substrate facing the lower substrate; and a liquid crystal layer interposed between the lower substrate and the upper substrate, wherein the light-blocking layer includes an organic black pigment, and the transparent layer having the convex shape has a different shape from the light-blocking layer.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: August 14, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Arum Yu, Do-Uk Kim, Ji-Hye Kim, Ho-Jeong Paek, Haeni Song, Kyung-Won Ahn, Young-Tai Lee, Jun-Ho Lee, Hye-Min Lee, Seung-Jib Choi, Hyun-Moo Choi
  • Publication number: 20180197480
    Abstract: A display device includes a display area to display an image in different areas, the display area including first, second, and third pixel areas that are sequentially arranged, first pixels and first scan lines in the first pixel area, second pixels and second scan lines in the second pixel area, third pixels and third scan lines in the third pixel area, a first scan driver to drive the first scan lines, a second scan driver to drive the second scan lines, and a third scan driver to drive the third scan lines, wherein the second scan lines are sequentially driven, and the third scan lines are driven for a first period during which the second scan lines are driven, and the first scan lines are driven by the first scan driver for a second period, which is after the first period, during which the second scan lines are driven.
    Type: Application
    Filed: December 28, 2017
    Publication date: July 12, 2018
    Inventors: Sang Moo Choi, Jae Du Noh, Seung Yeon Cho
  • Publication number: 20180197482
    Abstract: A display device including a display area, first-group pixels and first-group scan lines in a first pixel area, second-group pixels and second-group scan lines in a second pixel area, third-group pixels and third-group scan lines in a third pixel area, a first scan driver to drive the first-group scan lines, a second scan driver to drive the second-group scan lines, and a third scan driver to drive the third-group scan lines, wherein the second scan driver sequentially drives the second-group scan lines during one frame period, and the first and third scan drivers alternately drive the first-group scan lines and the third-group scan lines while the second-group scan lines are driven, and wherein at least one of the first and third scan drivers repeatedly drives at least some of the first-group scan lines and the third-group scan lines two times or more during said one frame period.
    Type: Application
    Filed: January 8, 2018
    Publication date: July 12, 2018
    Inventors: Sang Moo CHOI, Min Kyu WOO, Jae Sic LEE
  • Publication number: 20180197481
    Abstract: A display device includes first pixels in a first pixel area, a first scan driver configured to supply first scan signals to first scan lines, second pixels in a second pixel area, a second scan driver configured to supply second scan signals to second scan lines, third pixels in a third pixel area, a third scan driver configured to supply third scan signals to third scan lines, and a timing controller configured to supply a first start signal to the first scan driver, a second start signal to the second scan driver, and a third start signal to the third scan driver, wherein an order in which the first, second, and third start signal are supplied in a first mode, and an order in which the first, second, and third start signal are supplied in a second mode that is different from the first mode, are different from each other.
    Type: Application
    Filed: January 8, 2018
    Publication date: July 12, 2018
    Inventors: Sang Moo CHOI, Min Woo BYUN, Chae Han HYUN, Min Kyu WOO, Jae Du NOH, Jae Sic LEE, Seung Yeon CHO