Patents by Inventor Tae-Hoon Kwon
Tae-Hoon Kwon 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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Patent number: 11763709Abstract: A display device includes a substrate having a display area and a non-display area. A plurality of pixels is disposed in the display area of the substrate. A plurality of data lines is connected to the plurality of pixels. A crack sensing line is connected to at least one of the plurality of data lines. The crack sensing line is disposed in the non-display area of the substrate. A dummy pattern layer is connected to the crack sensing line.Type: GrantFiled: May 17, 2021Date of Patent: September 19, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung-Kyu Lee, Seung Ji Cha, Tae Hoon Kwon
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Patent number: 11735083Abstract: A display device is provided. The display device comprises a display panel including a plurality of signal pads and one or more dummy pads, and at least one flexible wiring board providing signals to the signal pads, wherein a maximum bias period of signals provided to a pair of adjacent signal pads with at least one dummy pad interposed therebetween is longer than a maximum bias period of signals provided to a pair of adjacent signal pads with no dummy pad disposed therebetween.Type: GrantFiled: October 14, 2021Date of Patent: August 22, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Hoon Kwon, Ji Hyun Ka, Byung Sun Kim, Yang Wan Kim, Hyung Jun Park, Su Jin Lee, Jae Yong Lee, Jin Tae Jeong, Seung Ji Cha
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Publication number: 20230260455Abstract: A stage including: an output circuit connected to a first node and a second node; an input connected to a third node and a fourth node; and a plurality of signal processors between the output and the input, the plurality of signal processors electrically connecting the first node and the third node and electrically connecting the second node and the fourth node, wherein the input includes: a seventh transistor connected between a first input terminal and the fourth node and having a gate electrode connected to a second input terminal; a plurality of eighth transistors serially connected between the third node and the second input terminal and having gate electrodes connected to the fourth node; and a ninth transistor connected between the third node and a second power source and having a gate electrode connected to the second input terminal.Type: ApplicationFiled: April 28, 2023Publication date: August 17, 2023Inventors: SEUNG KYU LEE, Seung Ji Cha, Ji Hyun Ka, Tae Hoon Kwon, Min Ku Lee, Jin Tae Jeong
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Publication number: 20230245605Abstract: A display device includes: a display area including a plurality of pixels arranged to have a non-uniform horizontal resolution in a first direction; a peripheral area extending around the display area; a circuit area at a side of the peripheral area; a first main crack detection line in the peripheral area and extending along a first edge of the peripheral area; a first switching element in the circuit area and connected to a first end of the first main crack detection line; and a first data line connected to the first switching element and extending in a second direction that is different from the first direction through the display area. Twice a distance between the first data line and a center of the display area is equal to or greater than a length of the first data line in the second direction.Type: ApplicationFiled: January 11, 2023Publication date: August 3, 2023Inventors: CHOONGHEE OH, Tae Hoon KWON
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Patent number: 11710455Abstract: A pixel includes an organic light emitting diode (OLED), a pixel circuit, and first and second transistors. The OLD includes a cathode electrode connected to a second power source. The pixel circuit includes a driving transistor having a gate electrode initialized by a third power source. The driving transistor controls the amount of current flowing from a first power source to the second power source via the OLED. The first transistor is connected between a fourth power source and the second power source and an anode electrode of the OLED. The first transistor is turned on based on a scan signal is supplied to a scan line. The second transistor is connected between a data line and the pixel circuit. The second transistor is turned on when the scan signal is supplied to the ith scan line.Type: GrantFiled: June 10, 2019Date of Patent: July 25, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Tae Jeong, Min Ku Lee, Ji Hyun Ka, Tae Hoon Kwon, Seung Kyu Lee, Seung Ji Cha
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Patent number: 11700754Abstract: A display device includes a substrate having a display area and a non-display area, a plurality of pixels in the display area, scan lines for supplying a scan signal to the pixels, the scan lines extending in a first direction, data lines for supplying a data signal to the pixels, the data lines extending in a second direction crossing the first direction, and a first dummy part in the non-display area, adjacent to an outermost pixel, connected to an outermost data line of the display area, forming a parasitic capacitor with the outermost pixel, and including a first dummy data line and a first dummy power pattern extending in parallel to the data lines.Type: GrantFiled: September 4, 2020Date of Patent: July 11, 2023Assignee: Samsung Display Co., Ltd.Inventors: Yang Wan Kim, Ji Hyun Ka, Tae Hoon Kwon, Byung Sun Kim, Hyung Jun Park, Su Jin Lee, Jae Yong Lee, Jin Tae Jeong, Seung Ji Cha
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Publication number: 20230217756Abstract: An organic light-emitting display device includes: a substrate on which a display area and a non-display area surrounding the display area are defined, the display area includes a main area and at least one protruding area, and a plurality of pixels is in the display area; a first signal line on the substrate in the main area to provide signals to the plurality of pixels; a second signal line on the substrate in the protruding area to provide signals to the plurality of pixels; a compensation line on the substrate in the non-display area and electrically connected to the second signal line; and a bridge pattern over the second signal line and the compensation line in the non-display area and electrically connecting the second signal line with the compensation line, the bridge pattern including a double-bridge structure.Type: ApplicationFiled: March 10, 2023Publication date: July 6, 2023Inventors: Ji Hyun Ka, Seung Ji Cha, Tae Hoon Kwon
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Publication number: 20230206831Abstract: A display device including: a display region including a first pixel region, a second pixel region, and a third pixel region; a dummy region including a first dummy region disposed between the second pixel region and the third pixel region; first, second, and third pixels respectively arranged in the first pixel region, the second pixel region, and the third pixel region in a matrix of vertical lines and horizontal lines; a data converter configured to receive first image data including effective data corresponding to the display region and dummy data corresponding to the dummy region and generate second image data by converting a gray scale value of dummy data corresponding to at least one region of the first dummy region in the first image data into a predetermined first gray scale value, the first gray scale value being between a lowest gray scale value and a highest gray scale value.Type: ApplicationFiled: February 17, 2023Publication date: June 29, 2023Inventors: Ji Hyun KA, Tae Hoon KWON, Ki Myeong EOM, Chung YI, Se Byung CHAE, Deok Jun CHOI, Moon Sang HWANG
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Patent number: 11690268Abstract: A display device includes a substrate having a first region in which an image is displayed, a second region in which an image is not displayed, and a bending region connecting the first region and the second region. The bending region is configured to bend along a bending axis which extends in a first direction. A plurality of pad terminals is disposed within the second region. A first width of the bending region, measured along the first direction, is narrower than a second width of the second region, measured along the first direction.Type: GrantFiled: December 22, 2020Date of Patent: June 27, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Tae Hoon Kwon, Won Kyu Kwak, Kwang-Min Kim, Hey Jin Shin, Seung-Kyu Lee
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Patent number: 11640788Abstract: A stage including: an output circuit connected to a first node and a second node; an input connected to a third node and a fourth node; and a plurality of signal processors between the output and the input, the plurality of signal processors electrically connecting the first node and the third node and electrically connecting the second node and the fourth node, wherein the input includes: a seventh transistor connected between a first input terminal and the fourth node and having a gate electrode connected to a second input terminal; a plurality of eighth transistors serially connected between the third node and the second input terminal and having gate electrodes connected to the fourth node; and a ninth transistor connected between the third node and a second power source and having a gate electrode connected to the second input terminal.Type: GrantFiled: August 20, 2021Date of Patent: May 2, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Kyu Lee, Seung Ji Cha, Ji Hyun Ka, Tae Hoon Kwon, Min Ku Lee, Jin Tae Jeong
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Publication number: 20230119752Abstract: A pixel includes an organic light emitting diode (OLED), a pixel circuit, and first and second transistors. The OLD includes a cathode electrode connected to a second power source. The pixel circuit includes a driving transistor having a gate electrode initialized by a third power source. The driving transistor controls the amount of current flowing from a first power source to the second power source via the OLED. The first transistor is connected between a fourth power source and the second power source and an anode electrode of the OLED. The first transistor is turned on based on a scan signal is supplied to a scan line. The second transistor is connected between a data line and the pixel circuit. The second transistor is turned on when the scan signal is supplied to the ith scan line.Type: ApplicationFiled: December 8, 2022Publication date: April 20, 2023Inventors: JIN TAE JEONG, MIN KU LEE, JI HYUN KA, TAE HOON KWON, SEUNG KYU LEE, SEUNG JI CHA
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Patent number: 11616111Abstract: An organic light-emitting display device includes: a substrate on which a display area and a non-display area surrounding the display area are defined, the display area includes a main area and at least one protruding area, and a plurality of pixels is in the display area; a first signal line on the substrate in the main area to provide signals to the plurality of pixels; a second signal line on the substrate in the protruding area to provide signals to the plurality of pixels; a compensation line on the substrate in the non-display area and electrically connected to the second signal line; and a bridge pattern over the second signal line and the compensation line in the non-display area and electrically connecting the second signal line with the compensation line, the bridge pattern including a double-bridge structure.Type: GrantFiled: June 8, 2020Date of Patent: March 28, 2023Assignee: Samsung Display Co., Ltd.Inventors: Ji Hyun Ka, Seung Ji Cha, Tae Hoon Kwon
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Patent number: 11587505Abstract: A display device includes: a display region including a first pixel region, a second pixel region, and a third pixel region; a dummy region including a first dummy region disposed between the second pixel region and the third pixel region; first, second, and third pixels respectively arranged in the first pixel region, the second pixel region, and the third pixel region in a matrix of vertical lines and horizontal lines; a data converter configured to: receive first image data including effective data corresponding to the display region and dummy data corresponding to the dummy region; and generate second image data by converting a gray scale value of dummy data corresponding to at least one region of the first dummy region in the first image data into a predetermined first gray scale value, the first gray scale value being between a lowest gray scale value and a highest gray scale value.Type: GrantFiled: March 11, 2022Date of Patent: February 21, 2023Assignee: Samsung Display Co., Ltd.Inventors: Ji Hyun Ka, Tae Hoon Kwon, Ki Myeong Eom, Chung Yi, Se Byung Chae, Deok Jun Choi, Moon Sang Hwang
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Publication number: 20230027500Abstract: A gate driver including a plurality of stages, each of the plurality of stages including an eighth transistor connected between a third power input terminal and an output terminal, the eighth transistor including a gate electrode connected to a fourth node, a seventh transistor connected between a second power input terminal and the output terminal, the seventh transistor including a gate electrode connected to a third node, an eleventh transistor connected between the third power input terminal and the fourth node, the eleventh transistor including a gate electrode connected to a first node, a twelfth transistor connected between the first node and the third node, the twelfth transistor including a gate electrode connected to the second power input terminal, and a third capacitor connected between the third power input terminal and the fourth node.Type: ApplicationFiled: October 3, 2022Publication date: January 26, 2023Inventors: Tae Hoon KWON, Ji Hyun KA, Nack Hyeon KEUM, Jae Jin SONG, Kwang Sae LEE
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Publication number: 20220358898Abstract: The present disclosure relates to a display device including first pixels disposed in a first pixel area, and connected to first scan lines; second pixels disposed in a second pixel area, and connected to second scan lines; a timing controller configured to supply a first clock signal and a second clock signal to a first clock line and a second clock line, respectively; a first scan driver configured to receive the first clock signal through the first clock line, and to supply a first scan signal to the first scan lines; and a second scan driver configured to receive the second clock signal through the second clock line, and to supply a second scan signal to the second scan lines, wherein the second pixel area has a smaller width than the first pixel area.Type: ApplicationFiled: July 22, 2022Publication date: November 10, 2022Inventors: Jin Tae JEONG, Tae Hoon KWON, Min Ku LEE, Ji Hyun KA, Seung Kyu LEE, Seung Ji CHA
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Patent number: 11476319Abstract: A display device includes a substrate having a pixel area with at least a first rounded corner portion and first to third non-pixel areas arranged sequentially along an outer circumference of the pixel area. An internal circuit in the first non-pixel area has a first end portion adjacent to the first rounded corner portion of the pixel area. The first end portion of the internal circuit is rounded in accordance with the first rounded corner portion. A plurality of routing wires are in the third non-pixel area below the pixel area. The routing wires extending to the pixel area via the second non-pixel area and the first non-pixel area. The routing wires include at least a first routing wire connected to the pixel area passing an area of the first end portion of the internal circuit.Type: GrantFiled: April 23, 2021Date of Patent: October 18, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Kyu Lee, Yang Wan Kim, Sun Ja Kwon, Byung Sun Kim, Hyun Ae Park, Su Jin Lee, Jae Yong Lee, Tae Hoon Kwon, Seung Ji Cha
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Patent number: 11462173Abstract: A display device includes: a substrate including a display area and a non-display area; pixels connected to first scan lines, second scan lines, third scan lines, and emission control lines; a first scan driver supplying a first scan signal to the first scan lines; a second scan driver supplying a second scan signal to some of the second scan lines and supplying a third scan signal to the third scan lines; an emission driver supplying an emission control signal to the emission control lines; a first pad and a second pad provided in the non-display area; a first power line connected to the first pad, the first power line transferring a first voltage to the first scan driver and the emission driver; and a second power line connected to the second pad, the second power line transferring a second voltage to the second scan driver.Type: GrantFiled: January 11, 2021Date of Patent: October 4, 2022Assignee: Samsung Display Co., Ltd.Inventors: Tae Hoon Kwon, Ji Hyun Ka, Nack Hyeon Keum, Jae Jin Song, Kwang Sae Lee
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Patent number: 11423836Abstract: A display device including a first pixel area including first pixels, a second pixel area including second pixels, a third pixel area including third pixels, and a display driver configured to control image display operations of the first pixel area, the second pixel area, and the third pixel area according to a first mode or a second mode, wherein the first pixel area includes a first sub-pixel area, and a second sub-pixel area between the first sub-pixel area and the second pixel area, and wherein the first sub-pixel area is configured to display a black image in the first mode, and the second sub-pixel area is configured to display a dummy image.Type: GrantFiled: February 8, 2021Date of Patent: August 23, 2022Assignee: Samsung Display Co., Ltd.Inventors: Tae Hoon Kwon, Ji Hyun Ka, Min Ku Lee, Seung Ji Cha, Hyun Uk Oh, Jin Tae Jeong
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Publication number: 20220199011Abstract: A display device includes: a display region including a first pixel region, a second pixel region, and a third pixel region; a dummy region including a first dummy region disposed between the second pixel region and the third pixel region; first, second, and third pixels respectively arranged in the first pixel region, the second pixel region, and the third pixel region in a matrix of vertical lines and horizontal lines; a data converter configured to: receive first image data including effective data corresponding to the display region and dummy data corresponding to the dummy region; and generate second image data by converting a gray scale value of dummy data corresponding to at least one region of the first dummy region in the first image data into a predetermined first gray scale value, the first gray scale value being between a lowest gray scale value and a highest gray scale value.Type: ApplicationFiled: March 11, 2022Publication date: June 23, 2022Inventors: Ji Hyun KA, Tae Hoon KWON, Ki Myeong EOM, Chung YI, Se Byung CHAE, Deok Jun CHOI, Moon Sang HWANG
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Publication number: 20220173204Abstract: A display device is disclosed, and the display device includes a substrate including first to third display regions, the second and the third display regions being spaced from each other, each of the second and third display regions having an area smaller than that of the first display region and being continuous to the first display region, first to third pixels in the first to third display regions, first to third lines connected to the first to third pixels, and a dummy part configured to compensate for a difference between a load value of the first lines and load values of the second and third lines, wherein the second display region includes a first sub-region adjacent to the first display region and a second sub-region spaced from the first display region, and the third display region includes a third sub-region adjacent to the first display region and a fourth sub-region spaced from the first display region.Type: ApplicationFiled: February 18, 2022Publication date: June 2, 2022Inventors: Hyung Jun PARK, Yang Wan KIM, Byung Sun KIM, Su Jin LEE, Jae Yong LEE, Ji Hyun KA, Tae Hoon KWON, Jin Tae JEONG, Seung Ji CHA