Patents by Inventor Bon-Seog Gu
Bon-Seog Gu 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: 20240144875Abstract: A display device is disclosed that includes a pixel component configured to output an image based on a first driving frequency, a scan driver configured to sequentially provide a scan signal to each pixel row in each frame based on the first driving frequency, and a driving controller configured control the scan driver such that, in the case where image data includes data corresponding to a static image, a display area is divided into a first area for the static image, and a second area for a video, and the first area is driven at a second driving frequency, and the second area is driven at a third driving frequency. The driving controller may control the scan driver such that a driving frequency corresponding to the first area is reduced to the second driving frequency, and a driving frequency corresponding to the second area is increased to the third driving frequency.Type: ApplicationFiled: April 27, 2023Publication date: May 2, 2024Inventors: Bon Seog GU, Hae Kwan SEO, Jin Young ROH, Jae Keun LIM
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Publication number: 20240119896Abstract: A display device includes a display panel including a plurality of pixels and that displays an image in each of a plurality of frames, a driving controller that drives the plurality of frames with a plurality of driving frequencies, respectively, and a voltage controller that provides a first voltage and a second voltage, and the driving controller drives one of the plurality of frames with a first driving frequency and drives another one of the plurality of frames with a second driving frequency, and the voltage controller provides the second voltage to be repeated in a first period in the one of the plurality of frames and provides the second voltage to be repeated in a second period in the another one of the plurality of frames.Type: ApplicationFiled: August 15, 2023Publication date: April 11, 2024Inventors: SUKHUN LEE, BON-SEOG GU, HONGSOO KIM, MYUNGWOO LEE
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Patent number: 11955086Abstract: A display device includes a silicon substrate; a semiconductor layer provided on the silicon substrate and including a pixel circuit; an image sensor provided on the silicon substrate and activated based on an imaging instruction; light emitting elements disposed on the semiconductor layer and electrically connected to the pixel circuit; and a display driver electrically connected to the pixel circuit to control the pixel circuit and to control image luminance of an imaging frame in which the image sensor is activated.Type: GrantFiled: August 5, 2022Date of Patent: April 9, 2024Assignee: Samsung Display Co., Ltd.Inventor: Bon Seog Gu
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Patent number: 11955102Abstract: A display device includes: a display panel including a surrounding display area, below which at least one panel driving circuit is positioned, and a main display area surrounded by the surrounding display area, the display panel including first pixels having a first pixel density and disposed in the surrounding display area and second pixels having a second pixel density greater than the first pixel density and disposed in the main display area; and a display panel driver to divide an input image to be displayed on the display panel in each frame into a first image to be displayed on the surrounding display area and a second image to be displayed on the main display area, calculate a luminance deviation of the first image, and determine whether to display the first image in the surrounding display area based on the luminance deviation of the first image.Type: GrantFiled: January 29, 2023Date of Patent: April 9, 2024Assignee: Samsung Display Co., Ltd.Inventors: Sukhun Lee, Bon-Seog Gu
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Publication number: 20240105108Abstract: A source driver includes a digital-to-analog converter that converts signals corresponding to first and second colors included in digital image data into first and second analog color data voltages, respectively, an output buffer unit including a first output buffer that alternately outputs the first color data voltage and the second color data voltage during one horizontal period, and a controller that controls the digital-to-analog converter and the first output buffer to alternately output the first color data voltage and the second color data voltage corresponding to each horizontal period for each horizontal period. The controller controls the first output buffer such that the second color data voltage is output after the first color data voltage is first output during a first horizontal period, and the first color data voltage is output after the second color data voltage is first output during a subsequent second horizontal period.Type: ApplicationFiled: April 19, 2023Publication date: March 28, 2024Inventors: Hae Kwan SEO, Bon Seog GU, Jin Young ROH, Jae Keun LIM
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Patent number: 11942030Abstract: A source driver includes a digital-to-analog converter that converts signals corresponding to first and second colors included in digital image data into first and second analog color data voltages, respectively, an output buffer unit including a first output buffer that alternately outputs the first color data voltage and the second color data voltage during one horizontal period, and a controller that controls the digital-to-analog converter and the first output buffer to alternately output the first color data voltage and the second color data voltage corresponding to each horizontal period for each horizontal period. The controller controls the first output buffer such that the second color data voltage is output after the first color data voltage is first output during a first horizontal period, and the first color data voltage is output after the second color data voltage is first output during a subsequent second horizontal period.Type: GrantFiled: April 19, 2023Date of Patent: March 26, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hae Kwan Seo, Bon Seog Gu, Jin Young Roh, Jae Keun Lim
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Publication number: 20240087504Abstract: A display panel of a display device includes: first to fourth pixel circuits connected to first to fourth data lines, respectively; first to fourth light emitting elements for emitting light of different colors; a first connection line for connecting the first light emitting element to the second pixel circuit; a second connection line for connecting the second light emitting element to the first pixel circuit; a third connection line for connecting the third light emitting element to the fourth pixel circuit; and a fourth connection line for connecting the fourth light emitting element to the third pixel circuit.Type: ApplicationFiled: May 30, 2023Publication date: March 14, 2024Inventors: BON-SEOG GU, JAEKEUN LIM, HAE-KWAN SEO, JINYOUNG ROH
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Publication number: 20240062723Abstract: A display device includes a display panel, a scan driver outputting a scan signal, and a data driver. The scan driver includes a first sub-scan driver that receives a first start signal and an odd clock signal, and a second sub-scan driver that receives a second start signal and an even clock signal. The scan signal has an activation period corresponding to a horizontal period. The odd clock signal includes a first clock enable period and a first clock disable period, which are âkâ times greater than the horizontal period. The even clock signal includes a second clock enable period and a second clock disable period, which are âkâ times greater than the horizontal period. The first clock enable period and the second clock enable period alternate with one another.Type: ApplicationFiled: May 25, 2023Publication date: February 22, 2024Inventors: JINYOUNG ROH, BON-SEOG GU, HAE-KWAN SEO, JAEKEUN LIM
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Publication number: 20240062704Abstract: A display panel of a display device includes: first light emitting elements located in a first row, second light emitting elements located in a second row adjacent to the first row, first pixel circuits located in the first row, and second pixel circuits located in the second row. Each of the first pixel circuits drives a first light emitting element, located in a column the same as a column in which the each of the first pixel circuits is located, among the first light emitting elements. At least one second pixel circuit of the second pixel circuits drives a second light emitting element, located in a column different from a column in which the at least one second pixel circuit is located, among the second light emitting elements.Type: ApplicationFiled: April 19, 2023Publication date: February 22, 2024Inventors: JAEKEUN LIM, JIN-WOOK YANG, BON-SEOG GU, JINYOUNG ROH, HAE-KWAN SEO
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Patent number: 11910662Abstract: A display device includes a first pixel coupled to a first scan line and a data line, and including a first light emitting diode having a cathode coupled to a first power line, and a second pixel coupled to a second scan line and the data line, and including a second light emitting diode having a cathode coupled to a second power line. The first scan line and the second scan line are different from each other. The first power line and the second power line are different from each other. Emission start times and emission end times of the first pixel and the second pixel are synchronized.Type: GrantFiled: May 29, 2020Date of Patent: February 20, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hong Soo Kim, Bon Seog Gu, Woo Mi Bae
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Patent number: 11903267Abstract: An organic light-emitting display apparatus includes a plurality of first emission units, each including a first organic light-emitting device configured to emit light in at least a first direction and through a first display surface, a plurality of second emission units, each including a second organic light-emitting device configured to emit in a second direction opposite to the first direction and through a second display surface. The first emission units and the second emission units are alternately disposed. The apparatus further includes a transmissive area disposed adjacent to but not overlapping with the plurality of first emission units and the plurality of second emission units when viewed from a direction perpendicular to the first display surface, and capable of transmitting external light through the first and second display surfaces in the transmissive area.Type: GrantFiled: August 29, 2016Date of Patent: February 13, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hae-Kwan Seo, Do-Youb Kim, Bon-Seog Gu
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Publication number: 20240046873Abstract: A display device includes: a first light emitting element; a third light emitting element adjacent to the first light emitting element in a first direction; second light emitting elements respectively adjacent to the first and third light emitting elements in a second direction crossing the first direction; first pixel circuits respectively under the first and third light emitting elements; second pixel circuits respectively under the second light emitting elements; and a dummy pixel circuit in a dummy circuit area adjacent to a display area in which the first, second, and third light emitting elements and the first and second pixel circuits are arranged and connected to the third light emitting element, wherein the dummy pixel circuit has a width smaller than a width of each of the first pixel circuits in the second direction.Type: ApplicationFiled: May 24, 2023Publication date: February 8, 2024Inventors: JINYOUNG ROH, HAE-KWAN SEO, BON-SEOG GU, JAEKEUN LIM
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Publication number: 20230419882Abstract: A display device includes a display panel including a pixel including a pixel circuit and a light emitting element, a plurality of scan lines connected to the pixel circuit, an emission control line connected to the pixel circuit, and a data line connected to the pixel circuit. The pixel circuit includes a first capacitor connected to a first node and a second node opposite to the first node, a first circuit portion that includes a first transistor connected between the data line and the first node and a second transistor connected between the first transistor and the first node, and a second circuit portion connected to the second node and the light emitting element. Before the light emitting element emits light, a reference voltage is provided to a third node between the first transistor and the second transistor.Type: ApplicationFiled: May 2, 2023Publication date: December 28, 2023Inventors: JAEKEUN LIM, BON-SEOG GU, SANGAN KWON, SOON-DONG KIM, JINYOUNG ROH, HAE-KWAN SEO
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Publication number: 20230402013Abstract: A scan driver includes a control unit, a first output unit, a second output unit, and a masking control unit. The control unit outputs a first control signal to a first control node and outputs a second control signal to a second control node. The first output unit is connected to the first control node, a first output terminal, and a first voltage terminal, and operates in response to the first control signal. The second output unit is connected to the second control node, the first output terminal, and a second voltage terminal, and operates in response to the second control signal. The masking control unit is connected between an input terminal, to which a clock signal is input, and the first control node and controls a voltage level of the first control signal in response to a masking enable signal.Type: ApplicationFiled: April 10, 2023Publication date: December 14, 2023Inventors: JAEKEUN LIM, BON-SEOG GU, TAEHOON KIM, JINYOUNG ROH, HAE-KWAN SEO
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Publication number: 20230178051Abstract: A display device includes: a display panel including a surrounding display area, below which at least one panel driving circuit is positioned, and a main display area surrounded by the surrounding display area, the display panel including first pixels having a first pixel density and disposed in the surrounding display area and second pixels having a second pixel density greater than the first pixel density and disposed in the main display area; and a display panel driver to divide an input image to be displayed on the display panel in each frame into a first image to be displayed on the surrounding display area and a second image to be displayed on the main display area, calculate a luminance deviation of the first image, and determine whether to display the first image in the surrounding display area based on the luminance deviation of the first image.Type: ApplicationFiled: January 29, 2023Publication date: June 8, 2023Inventors: Sukhun Lee, Bon-Seog Gu
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Publication number: 20230104826Abstract: A display device includes a silicon substrate; a semiconductor layer provided on the silicon substrate and including a pixel circuit; an image sensor provided on the silicon substrate and activated based on an imaging instruction; light emitting elements disposed on the semiconductor layer and electrically connected to the pixel circuit; and a display driver electrically connected to the pixel circuit to control the pixel circuit and to control image luminance of an imaging frame in which the image sensor is activated.Type: ApplicationFiled: August 5, 2022Publication date: April 6, 2023Inventor: Bon Seog GU
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Patent number: 11594172Abstract: Disclosed is a display device. The display device includes a display panel having a base layer, a circuit element layer disposed on the base layer, a display panel including a plurality of first pixels disposed in a first display area, and a plurality of second pixels disposed in a second display area adjacent to the first display area. The display device further includes a gate driver disposed in the second display area of the display panel and configured to drive the first and second pixels and a diffraction pattern layer including a plurality of second diffraction patterns disposed on the second pixels.Type: GrantFiled: June 9, 2021Date of Patent: February 28, 2023Inventor: Bon-Seog Gu
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Patent number: 11568837Abstract: A display device includes: a display panel including a surrounding display area, below which at least one panel driving circuit is positioned, and a main display area surrounded by the surrounding display area, the display panel including first pixels having a first pixel density and disposed in the surrounding display area and second pixels having a second pixel density greater than the first pixel density and disposed in the main display area; and a display panel driver to divide an input image to be displayed on the display panel in each frame into a first image to be displayed on the surrounding display area and a second image to be displayed on the main display area, calculate a luminance deviation of the first image, and determine whether to display the first image in the surrounding display area based on the luminance deviation of the first image.Type: GrantFiled: August 24, 2021Date of Patent: January 31, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sukhun Lee, Bon-Seog Gu
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Patent number: 11521580Abstract: The present disclosure provides a display apparatus including a head tracker obtaining information of movement of a user and formed on a display substrate and generating a temporary image using the information of the movement of the user. The head tracker is configured to output information of movement of a user to the driving controller. The driving controller is configured to generate a temporary image based on the information of the movement of the user. The display panel is configured to selectively display an input image and the temporary image.Type: GrantFiled: July 2, 2020Date of Patent: December 6, 2022Inventors: Bon-Seog Gu, Hong Soo Kim, Woomi Bae, Sangho Park
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Publication number: 20220108669Abstract: A display device includes: a display panel including a surrounding display area, below which at least one panel driving circuit is positioned, and a main display area surrounded by the surrounding display area, the display panel including first pixels having a first pixel density and disposed in the surrounding display area and second pixels having a second pixel density greater than the first pixel density and disposed in the main display area; and a display panel driver to divide an input image to be displayed on the display panel in each frame into a first image to be displayed on the surrounding display area and a second image to be displayed on the main display area, calculate a luminance deviation of the first image, and determine whether to display the first image in the surrounding display area based on the luminance deviation of the first image.Type: ApplicationFiled: August 24, 2021Publication date: April 7, 2022Inventors: SUKHUN LEE, BON-SEOG GU