Patents by Inventor Heung Sik Tae

Heung Sik Tae 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: 11209698
    Abstract: A display device includes: a first pixel, a second pixel, and a third pixel from which lights of different colors are respectively emitted; in the first pixel, a first light conversion layer overlapping a first color filter; in the second pixel, a second light conversion layer overlapping a second color filter; and in the third pixel, a third light conversion layer overlapping a third color filter. The first light conversion layer, the second light conversion layer, and the third light conversion layer respectively include a quantum dot, and an amount of the quantum dot included in the first light conversion layer is larger than each of amounts of the quantum dot respectively included in the second light conversion layer and the third light conversion layer.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: December 28, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bo Seong Kim, Duk-Hwan Kang, Si Woong Lee, Hyo Taek Lim, Jae Jin Choi, Heung-Sik Tae
  • Patent number: 11048133
    Abstract: Provided is a liquid crystal display device. The liquid crystal display device includes a display panel including a liquid crystal layer, wherein a first pixel region, a second pixel region, and a third pixel region are defined in the display panel and a backlight unit configured to provide light to the display panel. A first color light emitted from the first pixel region has a red color, a second color light emitted from the second pixel region has a green color, and a third color light emitted from the third pixel region has a blue color. A first ratio at which the light passes through the first pixel region and a second ratio at which the light passes through the second pixel region is greater than a third ratio at which the light passes through the third pixel region.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: June 29, 2021
    Inventors: Heung-sik Tae, Yoonseop Shim
  • Patent number: 11011352
    Abstract: An atmospheric pressure plasma device is disclosed. The atmospheric pressure plasma device includes a conductive tube connected to a power device, an electrode formed as a plate and receiving power supplied from the conductive tube and a dielectric configured to control discharge instability by being formed to surround a side surface of the electrode.
    Type: Grant
    Filed: February 12, 2020
    Date of Patent: May 18, 2021
    Assignee: Kyungpook National University Industry-Academic Cooperation Foundation
    Inventors: Heung-Sik Tae, Choon-Sang Park, Gyu Tae Bae, Hyung-Kun Lee, Do Yeob Kim
  • Publication number: 20200258721
    Abstract: An atmospheric pressure plasma device is disclosed. The atmospheric pressure plasma device includes a conductive tube connected to a power device, an electrode formed as a plate and receiving power supplied from the conductive tube and a dielectric configured to control discharge instability by being formed to surround a side surface of the electrode.
    Type: Application
    Filed: February 12, 2020
    Publication date: August 13, 2020
    Applicants: Kyungpook National University Industry-Academic Cooperation Foundation, Electronics and Telecommunications Research Institute
    Inventors: Heung-Sik TAE, Choon-Sang PARK, Gyu Tae BAE, Hyung-Kun LEE, Do Yeob KIM
  • Publication number: 20200124920
    Abstract: A display device includes: a first pixel, a second pixel, and a third pixel from which lights of different colors are respectively emitted; in the first pixel, a first light conversion layer overlapping a first color filter; in the second pixel, a second light conversion layer overlapping a second color filter; and in the third pixel, a third light conversion layer overlapping a third color filter. The first light conversion layer, the second light conversion layer, and the third light conversion layer respectively include a quantum dot, and an amount of the quantum dot included in the first light conversion layer is larger than each of amounts of the quantum dot respectively included in the second light conversion layer and the third light conversion layer.
    Type: Application
    Filed: July 3, 2019
    Publication date: April 23, 2020
    Inventors: Bo Seong KIM, Duk-Hwan KANG, Si Woong LEE, Hyo Taek LIM, Jae Jin CHOI, Heung-Sik TAE
  • Publication number: 20200081282
    Abstract: Provided is a liquid crystal display device. The liquid crystal display device includes a display panel including a liquid crystal layer, wherein a first pixel region, a second pixel region, and a third pixel region are defined in the display panel and a backlight unit configured to provide light to the display panel. A first color light emitted from the first pixel region has a red color, a second color light emitted from the second pixel region has a green color, and a third color light emitted from the third pixel region has a blue color. A first ratio at which the light passes through the first pixel region and a second ratio at which the light passes through the second pixel region is greater than a third ratio at which the light passes through the third pixel region.
    Type: Application
    Filed: July 15, 2019
    Publication date: March 12, 2020
    Inventors: Heung-sik TAE, Yoonseop SHIM
  • Publication number: 20130265347
    Abstract: A display apparatus a display panel that includes pixels arranged in rows by columns, which are connected to gate lines and data lines, a timing controller that outputs control signals and data signals, a gate driver that applies gate signals to the pixels through the gate lines, and a data driver that receives the data signals and applies data voltages corresponding to the data signals to the pixels through the data lines. The timing controller checks whether a pattern of data values corresponds to a checker pattern, in which black and white patterns are alternately repeated in a row direction and a column direction, checks whether an area of the checker pattern is equal to or greater than a predetermined area of the display panel, and compensates for the data signals in accordance with the checked result.
    Type: Application
    Filed: March 5, 2013
    Publication date: October 10, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyeon Seok BAE, Jae-Yong KWON, Duckyong AHN, Jaeeun UM, Kwangyoul LEE, Sangchul LEE, Heung-Sik TAE
  • Patent number: 8471796
    Abstract: An apparatus for providing grayscale voltages and a display device using the same are provided. The display device includes a grayscale voltage provider that provides grayscale voltages using a first reference voltage and a second reference voltage in accordance with a selection signal. A data driver applies data voltages to data lines using the grayscale voltages and an image signal. A gate driver successively provides a gate-on voltage to the gate lines. A display panel displays an image for each frame using the data voltages and the gate-on voltage.
    Type: Grant
    Filed: April 24, 2009
    Date of Patent: June 25, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyu-Min Kwon, Ho-Sup Choi, Sang-Youn Kim, Byoung-Haw Park, Cheal-Gi Kim, Heung-Sik Tae
  • Publication number: 20100149144
    Abstract: A plasma display is disclosed. In one aspect, the display includes a scan driving board that applies a sustain pulse to a scan electrode during a sustain period and a sustain driving board that applies a sustain pulse to a sustain electrode during the sustain period. The scan driving board and the sustain driving board are connected by a harness. Ground wires are disposed at both sides of the harness and main path wires are disposed between the ground wires.
    Type: Application
    Filed: December 15, 2009
    Publication date: June 17, 2010
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Jae-Kwang LIM, Chan-Kyu Jang, Suk-Jae Park, Heung-Sik Tae, Suk-Ki Kim, Jung-Pil Park
  • Publication number: 20100123653
    Abstract: An apparatus for providing grayscale voltages and a display device using the same are provided. The display device includes a grayscale voltage provider that provides grayscale voltages using a first reference voltage and a second reference voltage in accordance with a selection signal. A data driver applies data voltages to data lines using the grayscale voltages and an image signal. A gate driver successively provides a gate-on voltage to the gate lines. A display panel displays an image for each frame using the data voltages and the gate-on voltage.
    Type: Application
    Filed: April 24, 2009
    Publication date: May 20, 2010
    Inventors: Kyu-Min Kwon, Ho-Sup Choi, Sang-Youn Kim, Byoung-Haw Park, Cheal-Gi Kim, Heung-Sik Tae
  • Patent number: 7612742
    Abstract: In a plasma display panel, a sustain discharge pulse voltage is applied to the scan or sustain electrodes while the address electrode is biased with a ground voltage, and a negative assistant pulse voltage is applied to an electrode that is not receiving the sustain discharge pulse. At least a part of a period for applying the negative assistant pulse is positioned prior to a period of applying the sustain discharge pulse. Discharge efficiency can be improved by applying the negative assistant voltage to the sustain electrode when the sustain discharge is applied to the scan electrode across a long discharge gap.
    Type: Grant
    Filed: April 18, 2006
    Date of Patent: November 3, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dong-Young Lee, Byung-Gwon Cho, Heung-Sik Tae
  • Publication number: 20090102754
    Abstract: A method for driving a single frame of a plasma display device, the frame including a plurality of subfields, and each subfield including a reset period, an address period, and a sustain period. The method shortens an increasing time of at least one sustain pulse including the last sustain pulse among a plurality of sustain pulses, to be supplied to the sustain period of the respective subfields, and lengthens the increasing times of the rest of the sustain pulses.
    Type: Application
    Filed: October 14, 2008
    Publication date: April 23, 2009
    Applicants: Samsung SDI Co., LTD., Industry-University Cooperation Foundation Kyungpook National University
    Inventors: Jae-Kwang LIM, Heung-Sik TAE
  • Publication number: 20060244679
    Abstract: A Plasma Display Panel (PDP) is driven with a long discharge gap between display electrodes to generate a positive column. The PDP includes first and second substrates disposed opposite to each other, barrier ribs partitioning discharge cells, address electrodes positioned on the first substrate, and display electrodes extending in a second direction and crossing with the address electrodes in regions corresponding to the discharge cells. A long distance gap between display electrodes in a discharge cell is greater than a distance between a display electrode and the address electrode, and discharge is initiated between the address electrode and the first display electrode. Discharge diffuses along the address electrode until main discharge is generated in the long discharge gap between display electrodes to increase panel efficiency. Furthermore, the address electrodes are curved and have a path longer than a discharge cell length to increase a high intensity brightness region.
    Type: Application
    Filed: March 28, 2006
    Publication date: November 2, 2006
    Inventors: Hyun Kim, Heung-Sik Tae
  • Publication number: 20060232513
    Abstract: In a plasma display panel, a sustain discharge pulse voltage is applied to the scan or sustain electrodes while the address electrode is biased with a ground voltage, and a negative assistant pulse voltage is applied to an electrode that is not receiving the sustain discharge pulse. At least a part of a period for applying the negative assistant pulse is positioned prior to a period of applying the sustain discharge pulse. Discharge efficiency can be improved by applying the negative assistant voltage to the sustain electrode when the sustain discharge is applied to the scan electrode across a long discharge gap.
    Type: Application
    Filed: April 18, 2006
    Publication date: October 19, 2006
    Inventors: Dong-Young Lee, Byung-Gwon Cho, Heung-Sik Tae
  • Publication number: 20060114185
    Abstract: A driving method of a plasma display, where in order to initialize a discharge cell having a larger distance between a scan electrode and a sustain electrode in the plasma display, a negative voltage is applied to the scan electrode and a positive voltage is applied to the address electrode so that a discharge occurs between the scan electrode and the address electrode. Next, the negative voltage is applied to the sustain electrode and the positive voltage is applied to the address electrode so that the discharge occurs between the sustain electrode and the address electrode. The voltage applied to the address electrode is reduced while the voltages applied to the scan electrode and the sustain electrode are maintained.
    Type: Application
    Filed: November 30, 2005
    Publication date: June 1, 2006
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Hyun Kim, Heung-Sik Tae
  • Patent number: 6744215
    Abstract: Control method and system for improving the color temperature of an alternating current (AC) plasma display panel (PDP) are disclosed. The method and apparatus controls the color temperature of an AC PDP, and can maintain high luminance and luminous efficiency even in an XGA class discharge cell as well as a VGA class discharge cell because a discharge space is dispersed from a sustain electrode to the direction of a writing electrode, to thus obtain strong sustain discharge having a large discharge space when a pulse is simultaneously applied to the writing electrode while a sustain pulse waveform is applied during a sustain period of the AC PDP, improves only the bright of a blue cell whose luminance is relatively low regardless of a cell structure because different pulses can be independently applied to the writing electrodes of red, blue, and green cells during the application of the sustain pulse, and controls a color temperature by increasing the luminance of the blue and green cells.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: June 1, 2004
    Assignee: Yeint Co., Ltd.
    Inventors: Heung Sik Tae, Sung Il Chien, Ki Duck Cho
  • Publication number: 20030117346
    Abstract: Control method and system for improving the color temperature of an alternating current (AC) plasma display panel (PDP) are disclosed. The method and apparatus controls the color temperature of an AC PDP and can maintain high luminance and luminous efficiency even in an XGA class discharge cell as well as a VGA class discharge cell because a discharge space is dispersed from a sustain electrode to the direction of a writing electrode, to thus obtain strong sustain discharge having a large discharge space when a pulse is simultaneously applied to the writing electrode while a sustain pulse waveform is applied during a sustain period of the AC PDP improves only the bright of a blue cell whose luminance is relatively low regardless of a cell structure because different pulses can be independently applied to the writing electrodes of red, blue, and green cells during the application of the sustain pulse, and controls a color temperature by increasing the luminance of the blue and green cells.
    Type: Application
    Filed: January 31, 2003
    Publication date: June 26, 2003
    Inventors: Heung Sik Tae, Sung II Chien, Ki Duck Cho