Patents by Inventor Hyoung-hak Kim
Hyoung-hak Kim 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).
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Publication number: 20230354658Abstract: An embodiment provides a light emitting display device including a pixel circuit disposed on a substrate, a repair line disposed on the substrate, a connection electrode overlapping the repair line in a thickness direction of the substrate, an insulating layer disposed on the pixel circuit and the connection electrode, a pixel electrode disposed on the insulating layer, and a connection portion disposed on the insulating layer. The pixel electrode includes a first electrode portion electrically connected to the pixel circuit through a first contact hole formed in the insulating layer and a second electrode portion electrically connected to the connection electrode through a second contact hole formed in the insulating layer. The connection portion electrically connect the first electrode portion and the second electrode portion.Type: ApplicationFiled: January 18, 2023Publication date: November 2, 2023Applicant: Samsung Display Co., LTD.Inventors: Chun Gi YOU, Hyoung Hak KIM, Hyun Young KIM
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Publication number: 20230267880Abstract: A display device includes: a substrate including a display area configured to display images and a non-display area around the display area; a plurality of driving voltage lines in the display area; a plurality of initialization voltage lines in the display area; a plurality of driving voltage transmission lines in the non-display area and configured to transmit a driving voltage to the driving voltage line, and including a first driving voltage transmission line and a second driving voltage transmission line adjacent to each other; an initialization voltage transmission line in the non-display area and configured to transmit an initialization voltage to the initialization voltage line; and a bridge connecting the first driving voltage transmission line and the second driving voltage transmission line and overlapping the initialization voltage transmission line.Type: ApplicationFiled: May 1, 2023Publication date: August 24, 2023Inventors: Sang-Ho MOON, Chun Gi YOU, Hyoung Hak KIM
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Patent number: 11640789Abstract: A display device includes: a substrate including a display area configured to display images and a non-display area around the display area; a plurality of driving voltage lines in the display area; a plurality of initialization voltage lines in the display area; a plurality of driving voltage transmission lines in the non-display area and configured to transmit a driving voltage to the driving voltage line, and including a first driving voltage transmission line and a second driving voltage transmission line adjacent to each other; an initialization voltage transmission line in the non-display area and configured to transmit an initialization voltage to the initialization voltage line; and a bridge connecting the first driving voltage transmission line and the second driving voltage transmission line and overlapping the initialization voltage transmission line.Type: GrantFiled: August 26, 2022Date of Patent: May 2, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sang-Ho Moon, Chun Gi You, Hyoung Hak Kim
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Publication number: 20220415252Abstract: A display device includes: a substrate including a display area configured to display images and a non-display area around the display area; a plurality of driving voltage lines in the display area; a plurality of initialization voltage lines in the display area; a plurality of driving voltage transmission lines in the non-display area and configured to transmit a driving voltage to the driving voltage line, and including a first driving voltage transmission line and a second driving voltage transmission line adjacent to each other; an initialization voltage transmission line in the non-display area and configured to transmit an initialization voltage to the initialization voltage line; and a bridge connecting the first driving voltage transmission line and the second driving voltage transmission line and overlapping the initialization voltage transmission line.Type: ApplicationFiled: August 26, 2022Publication date: December 29, 2022Inventors: Sang-Ho MOON, Chun Gi YOU, Hyoung Hak KIM
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Patent number: 11436976Abstract: A display device includes: a substrate including a display area configured to display images and a non-display area around the display area; a plurality of driving voltage lines in the display area; a plurality of initialization voltage lines in the display area; a plurality of driving voltage transmission lines in the non-display area and configured to transmit a driving voltage to the driving voltage line, and including a first driving voltage transmission line and a second driving voltage transmission line adjacent to each other; an initialization voltage transmission line in the non-display area and configured to transmit an initialization voltage to the initialization voltage line; and a bridge connecting the first driving voltage transmission line and the second driving voltage transmission line and overlapping the initialization voltage transmission line.Type: GrantFiled: June 16, 2021Date of Patent: September 6, 2022Assignee: Samsung Display Co., Ltd.Inventors: Sang-Ho Moon, Chun Gi You, Hyoung Hak Kim
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Publication number: 20220020325Abstract: A display device includes: a substrate including a display area configured to display images and a non-display area around the display area; a plurality of driving voltage lines in the display area; a plurality of initialization voltage lines in the display area; a plurality of driving voltage transmission lines in the non-display area and configured to transmit a driving voltage to the driving voltage line, and including a first driving voltage transmission line and a second driving voltage transmission line adjacent to each other; an initialization voltage transmission line in the non-display area and configured to transmit an initialization voltage to the initialization voltage line; and a bridge connecting the first driving voltage transmission line and the second driving voltage transmission line and overlapping the initialization voltage transmission line.Type: ApplicationFiled: June 16, 2021Publication date: January 20, 2022Inventors: Sang-Ho MOON, Chun Gi YOU, Hyoung Hak KIM
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Publication number: 20160182858Abstract: A multivision display apparatus which enables participants who conduct a video conference to conduct the video conference in a manner in which the participants keep eye contact with each other. The multivision display apparatus includes a plurality of display apparatuses which output images, a bezel provided on an edge of each of the plurality of display apparatuses, a light receiving device which is provided on the bezel positioned at the center of a screen formed with the plurality of display apparatuses to have a vertical length, and receives an image, and an image receiving device which is provided on an upper end of the bezel to be connected to the light receiving device, receives the image received by the light receiving device, generates image data, and transmits the image data to the display apparatuses.Type: ApplicationFiled: October 16, 2015Publication date: June 23, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung Hyun CHOI, Hyoung Hak Kim, Dai Boong Lee
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Patent number: 8614697Abstract: A display apparatus includes a timing controller which outputs image data, a data control signal and a first gate control signal, a data driving circuit which receives the image data and converts the image data into data voltages, a control signal converting circuit which delays the first gate control signal by a reference time period to convert the first gate control signal into a second gate control signal based on a reference signal, a gate driving circuit which outputs gate signals based on the second gate control signal, and a display panel which displays an image corresponding to the one line of the data voltages based on the gate signals. Each gate signal rises at a point in time delayed from a starting point of a corresponding horizontal scanning period by the reference time period and falls before an ending point of the corresponding horizontal scanning period.Type: GrantFiled: April 1, 2009Date of Patent: December 24, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hyoung-Hak Kim, Sang-Hoon Park, Kyu-Jin Park, Kyu-Hun Lim, Sun-Mi Son
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Patent number: 8471978Abstract: A driving device including a board on which a timing controller for signal processing and a memory are mounted, the board having a conductive field, in which the conductive field has a non-contact region which is coated with an insulating material, and an exposed contact region which is not covered with the insulating material, the exposed contact region formed adjacent to the timing controller or the memory, a conductive member disposed in the exposed contact region, and a shield covering the board and electrically connected to the conductive field via the conductive member.Type: GrantFiled: January 26, 2011Date of Patent: June 25, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hyoung-Hak Kim, Tae-Hyeong Park, Dong-Ho Lee
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Patent number: 8373646Abstract: In a backlight device and a driving method thereof, a voltage controller controls a voltage level of a first input voltage in response to a dimming signal to output a second input voltage. A pulse generator receives the second input voltage from the voltage controller and generates a pulse signal having a duty ratio corresponding to the dimming signal and a high voltage level corresponding to the second input voltage. An inverter generates a lamp driving signal based on the pulse signal. At least one lamp included in the backlight device is turned on or turned off in response to a lamp driving signal to adjust luminance of the backlight device.Type: GrantFiled: November 24, 2009Date of Patent: February 12, 2013Assignee: Samsung Display Co., Ltd.Inventors: Kyu-Jin Park, Hyoung-Hak Kim, Sang-Hoon Park
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Publication number: 20110122597Abstract: A driving device including a board on which a timing controller for signal processing and a memory are mounted, the board having a conductive field, in which the conductive field has a non-contact region which is coated with an insulating material, and an exposed contact region which is not covered with the insulating material, the exposed contact region formed adjacent to the timing controller or the memory, a conductive member disposed in the exposed contact region, and a shield covering the board and electrically connected to the conductive field via the conductive memberType: ApplicationFiled: January 26, 2011Publication date: May 26, 2011Inventors: Hyoung-Hak Kim, Tae-Hyeong Park, Dong-Ho Lee
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Patent number: 7894035Abstract: A driving device including a board on which a timing controller for signal processing and a memory are mounted, the board having a conductive field, in which the conductive field has a non-contact region which is coated with an insulating material, and an exposed contact region which is not covered with the insulating material, the exposed contact region formed adjacent to the timing controller or the memory, a conductive member disposed in the exposed contact region, and a shield covering the board and electrically connected to the conductive field via the conductive member.Type: GrantFiled: January 19, 2010Date of Patent: February 22, 2011Assignee: Samsung Electronics Co., Ltd.Inventor: Hyoung-hak Kim
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Publication number: 20100302289Abstract: In a backlight device and a driving method thereof, a voltage controller controls a voltage level of a first input voltage in response to a dimming signal to output a second input voltage. A pulse generator receives the second input voltage from the voltage controller and generates a pulse signal having a duty ratio corresponding to the dimming signal and a high voltage level corresponding to the second input voltage. An inverter generates a lamp driving signal based on the pulse signal. At least one lamp included in the backlight device is turned on or turned off in response to a lamp driving signal to adjust luminance of the backlight device.Type: ApplicationFiled: November 24, 2009Publication date: December 2, 2010Inventors: Kyu-Jin PARK, Hyoung-Hak KIM, Sang-Hoon PARK
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Publication number: 20100110049Abstract: A driving device including a board on which a timing controller for signal processing and a memory are mounted, the board having a conductive field, in which the conductive field has a non-contact region which is coated with an insulating material, and an exposed contact region which is not covered with the insulating material, the exposed contact region formed adjacent to the timing controller or the memory, a conductive member disposed in the exposed contact region, and a shield covering the board and electrically connected to the conductive field via the conductive member.Type: ApplicationFiled: January 19, 2010Publication date: May 6, 2010Inventor: Hyoung-hak Kim
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Publication number: 20100066708Abstract: A display apparatus includes a timing controller which outputs image data, a data control signal and a first gate control signal, a data driving circuit which receives the image data and converts the image data into data voltages, a control signal converting circuit which delays the first gate control signal by a reference time period to convert the first gate control signal into a second gate control signal based on a reference signal, a gate driving circuit which outputs gate signals based on the second gate control signal, and a display panel which displays an image corresponding to the one line of the data voltages based on the gate signals. Each gate signal rises at a point in time delayed from a starting point of a corresponding horizontal scanning period by the reference time period and falls before an ending point of the corresponding horizontal scanning period.Type: ApplicationFiled: April 1, 2009Publication date: March 18, 2010Applicant: SAMSUNG ELECTRONICS CO., LTDInventors: Hyoung-Hak KIM, Sang-Hoon PARK, Kyu-Jin PARK, Kyu-Hun LIM, Sun-Mi SON
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Patent number: 7663725Abstract: A driving device including a board on which a timing controller for signal processing and a memory are mounted, the board having a conductive field, in which the conductive field has a non-contact region which is coated with an insulating material, and an exposed contact region which is not covered with the insulating material, the exposed contact region formed adjacent to the timing controlling or the memory, a conductive member disposed in the exposed contact region, and a shield covering the board and electrically connected to the conductive field via the conductive member.Type: GrantFiled: January 10, 2007Date of Patent: February 16, 2010Assignee: Samsung Electronics Co., Ltd.Inventor: Hyoung-hak Kim
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Patent number: 7573541Abstract: An LCD comprising an LCD panel on which an electrode pad is provided; a light source irradiating light to a portion of the LCD panel; a bottom chassis accommodating the light source; a driving part connected to the electrode pad and applying a driving signal to the LCD panel; a driving circuit part controlling the driving part and comprising a first driving circuit board connected to the driving part and disposed on a lateral side of the bottom chassis and a second driving circuit board connected to the first driving circuit board and disposed on portion of the bottom chassis; and an FPC connecting the first driving circuit board to the second driving circuit board and comprising a ground member electrically connected to the bottom chassis, and exposed to the outside. Accordingly, the present invention provides a liquid crystal display decreasing an EMI level of the FPC.Type: GrantFiled: April 7, 2006Date of Patent: August 11, 2009Assignee: Samsung Electronics Co., Ltd.Inventor: Hyoung-hak Kim
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Publication number: 20070279568Abstract: A driving device including a board on which a timing controller for signal processing and a memory are mounted, the board having a conductive field, in which the conductive field has a non-contact region which is coated with an insulating material, and an exposed contact region which is not covered with the insulating material, the exposed contact region formed adjacent to the timing controlling or the memory, a conductive member disposed in the exposed contact region, and a shield covering the board and electrically connected to the conductive field via the conductive member.Type: ApplicationFiled: January 10, 2007Publication date: December 6, 2007Inventor: Hyoung-hak Kim
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Publication number: 20070103416Abstract: An LCD and method for driving the LCD that can prevent hue distortion and variation in color temperature in which the LCD includes a memory storing G (green) gray scale correction values for each gray scale level so that the G gray gamma value for each gray scale measured from the liquid crystal panel without application of the reference gray scale voltage provided from the outside can have the same gamma value as that of the target gamma curve, and a timing controller correcting the G image data among externally input R (red), G, and B (blue) image data according to the G gray scale correction values for each gray scale level stored in the memory and transmitting the corrected G image data and the R and B image data to a data driver at a predetermined timing.Type: ApplicationFiled: November 2, 2006Publication date: May 10, 2007Inventor: Hyoung-hak KIM
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Publication number: 20060267863Abstract: An LCD comprising an LCD panel on which an electrode pad is provided; a light source irradiating light to a portion of the LCD panel; a bottom chassis accommodating the light source; a driving part connected to the electrode pad and applying a driving signal to the LCD panel; a driving circuit part controlling the driving part and comprising a first driving circuit board connected to the driving part and disposed on a lateral side of the bottom chassis and a second driving circuit board connected to the first driving circuit board and disposed on portion of the bottom chassis; and an FPC connecting the first driving circuit board to the second driving circuit board and comprising a ground member electrically connected to the bottom chassis, and exposed to the outside. Accordingly, the present invention provides a liquid crystal display decreasing an EMI level of the FPC.Type: ApplicationFiled: April 7, 2006Publication date: November 30, 2006Inventor: Hyoung-hak Kim