Patents by Inventor Min-Ho Ko
Min-Ho Ko 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: 20240206257Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.Type: ApplicationFiled: January 22, 2024Publication date: June 20, 2024Applicant: Samsung Display Co., Ltd.Inventors: Mi Hae KIM, Min Ho KO, Seung Woo SUNG, Ki Myeong EOM, Jin JEON
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Patent number: 11903271Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.Type: GrantFiled: April 23, 2021Date of Patent: February 13, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Mi Hae Kim, Min Ho Ko, Seung Woo Sung, Ki Myeong Eom, Jin Jeon
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Publication number: 20210242302Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.Type: ApplicationFiled: April 23, 2021Publication date: August 5, 2021Applicant: Samsung Display Co., Ltd.Inventors: Mi Hae KIM, Min Ho KO, Seung Woo SUNG, Ki Myeong EOM, Jin JEON
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Patent number: 10991792Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.Type: GrantFiled: February 17, 2020Date of Patent: April 27, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Mi Hae Kim, Min Ho Ko, Seung Woo Sung, Ki Myeong Eom, Jin Jeon
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Publication number: 20200185487Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.Type: ApplicationFiled: February 17, 2020Publication date: June 11, 2020Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Mi Hae KIM, Min Ho KO, Seung Woo SUNG, Ki Myeong EOM, Jin JEON
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Patent number: 10672332Abstract: A pixel compensation circuit and a driving method thereof, and a display device. The pixel compensation circuit includes: a driving sub-circuit; a light-emitting device; an initialization sub-circuit, configured to initialize a control electrode of the driving sub-circuit; a data writing sub-circuit, configured to provide a data signal to the control electrode of the driving sub-circuit; a voltage input sub-circuit, configured to provide a signal of the first power supply terminal to the first electrode of the driving sub-circuit; a storage and voltage division sub-circuit, configured to store a voltage of the first electrode of the driving sub-circuit, and when the control electrode of the driving sub-circuit is floating, maintain stability of a voltage difference between the control electrode and the first electrode of the driving sub-circuit; and a threshold compensation sub-circuit, configured to write a threshold voltage of the driving sub-circuit into the first electrode of the driving sub-circuit.Type: GrantFiled: May 16, 2018Date of Patent: June 2, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Sangwon Lee, Min Ho Ko, Sang Hun Kang, Young Yik Ko, Wanli Dong
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Patent number: 10566406Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.Type: GrantFiled: September 27, 2018Date of Patent: February 18, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Mi Hae Kim, Min Ho Ko, Seung Woo Sung, Ki Myeong Eom, Jin Jeon
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Publication number: 20190114960Abstract: A pixel compensation circuit and a driving method thereof, and a display device. The pixel compensation circuit includes: a driving sub-circuit; a light-emitting device; an initialization sub-circuit, configured to initialize a control electrode of the driving sub-circuit; a data writing sub-circuit, configured to provide a data signal to the control electrode of the driving sub-circuit; a voltage input sub-circuit, configured to provide a signal of the first power supply terminal to the first electrode of the driving sub-circuit; a storage and voltage division sub-circuit, configured to store a voltage of the first electrode of the driving sub-circuit, and when the control electrode of the driving sub-circuit is floating, maintain stability of a voltage difference between the control electrode and the first electrode of the driving sub-circuit; and a threshold compensation sub-circuit, configured to write a threshold voltage of the driving sub-circuit into the first electrode of the driving sub-circuit.Type: ApplicationFiled: May 16, 2018Publication date: April 18, 2019Inventors: Sangwon LEE, Min Ho KO, Sang Hun KANG, Young Yik KO, Wanli DONG
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Patent number: 10192492Abstract: An organic light emitting diode display including: a substrate including a pixel part for displaying an image and a peripheral part enclosing the pixel part; a plurality of scan lines formed on the substrate, each for transferring a scan signal; a plurality of data lines for transferring a data voltage, and a plurality of driving voltage lines intersecting the plurality of scan lines for transferring a driving voltage, respectively; a plurality of pixels connected to the plurality of scan lines and the plurality of data lines, respectively and formed in the pixel part; and at least one dummy pixel connected to the plurality of scan lines and the plurality of data lines and formed in the peripheral part.Type: GrantFiled: April 27, 2018Date of Patent: January 29, 2019Assignee: Samsung Display Co., Ltd.Inventors: Jin Sung An, Min Ho Ko
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Publication number: 20190027552Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.Type: ApplicationFiled: September 27, 2018Publication date: January 24, 2019Inventors: Mi Hae KIM, Min Ho KO, Seung Woo SUNG, Ki Myeong EOM, Jin JEON
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Patent number: 10121803Abstract: A semiconductor device includes a substrate, a first conductive layer on the substrate and including a main pattern, and substantially symmetrical auxiliary patterns extending from two sides of the main pattern, an insulating layer on the substrate and the first conductive layer, and a second conductive layer on the insulating layer and overlapping at least a portion of the main pattern and the auxiliary patterns.Type: GrantFiled: May 19, 2017Date of Patent: November 6, 2018Assignee: Samsung Display Co., Ltd.Inventors: Chang-Soo Pyon, Min-Ho Ko, Hyun-Chol Bang, Kwang-Min Kim, Won-Kyu Kwak
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Patent number: 10090371Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.Type: GrantFiled: June 22, 2017Date of Patent: October 2, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Mi Hae Kim, Min Ho Ko, Seung Woo Sung, Ki Myeong Eom, Jin Jeon
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Publication number: 20180247597Abstract: An organic light emitting diode display including: a substrate including a pixel part for displaying an image and a peripheral part enclosing the pixel part; a plurality of scan lines formed on the substrate, each for transferring a scan signal; a plurality of data lines for transferring a data voltage, and a plurality of driving voltage lines intersecting the plurality of scan lines for transferring a driving voltage, respectively; a plurality of pixels connected to the plurality of scan lines and the plurality of data lines, respectively and formed in the pixel part; and at least one dummy pixel connected to the plurality of scan lines and the plurality of data lines and formed in the peripheral part.Type: ApplicationFiled: April 27, 2018Publication date: August 30, 2018Inventors: Jin Sung An, Min Ho Ko
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Patent number: 9959813Abstract: An organic light emitting diode display including: a substrate including a pixel part for displaying an image and a peripheral part enclosing the pixel part; a plurality of scan lines formed on the substrate, each for transferring a scan signal; a plurality of data lines for transferring a data voltage, and a plurality of driving voltage lines intersecting the plurality of scan lines for transferring a driving voltage, respectively; a plurality of pixels connected to the plurality of scan lines and the plurality of data lines, respectively and formed in the pixel part; and at least one dummy pixel connected to the plurality of scan lines and the plurality of data lines and formed in the peripheral part.Type: GrantFiled: July 1, 2015Date of Patent: May 1, 2018Assignee: Samsung Display Co., Ltd.Inventors: Jin Sung An, Min Ho Ko
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Publication number: 20170294503Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.Type: ApplicationFiled: June 22, 2017Publication date: October 12, 2017Inventors: Mi Hae KIM, Min Ho KO, Seung Woo SUNG, Ki Myeong EOM, Jin JEON
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Publication number: 20170256566Abstract: A semiconductor device includes a substrate, a first conductive layer on the substrate and including a main pattern, and substantially symmetrical auxiliary patterns extending from two sides of the main pattern, an insulating layer on the substrate and the first conductive layer, and a second conductive layer on the insulating layer and overlapping at least a portion of the main pattern and the auxiliary patterns.Type: ApplicationFiled: May 19, 2017Publication date: September 7, 2017Inventors: Chang-Soo Pyon, Min-Ho Ko, Hyun-Chol Bang, Kwang-Min Kim, Won-Kyu Kwak
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Patent number: 9691837Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.Type: GrantFiled: April 30, 2015Date of Patent: June 27, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Mi Hae Kim, Min Ho Ko, Seung Woo Sung, Ki Myeong Eom, Jin Jeon
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Patent number: 9659970Abstract: A semiconductor device includes a substrate, a first conductive layer on the substrate and including a main pattern, and substantially symmetrical auxiliary patterns extending from two sides of the main pattern, an insulating layer on the substrate and the first conductive layer, and a second conductive layer on the insulating layer and overlapping at least a portion of the main pattern and the auxiliary patterns.Type: GrantFiled: August 20, 2012Date of Patent: May 23, 2017Assignee: Samsung Display Co., Ltd.Inventors: Chang-Soo Pyon, Min-Ho Ko, Hyun-Chol Bang, Kwang-Min Kim, Won-Kyu Kwak
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Patent number: 9520085Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a substrate and odd and even-numbered pixels adjacent to each other in a column direction and respectively formed in odd and even-numbered rows. The OLED display also includes a common pixel driver connected to the odd and even-numbered pixels and driving each of the odd and even-numbered pixels. The OLED display further includes a selection unit selecting one of the odd and even-numbered pixels to be driven by the common pixel driver. The common pixel driver is formed in either the odd-numbered row or the even-numbered row.Type: GrantFiled: March 20, 2014Date of Patent: December 13, 2016Assignee: Samsung Display Co., Ltd.Inventors: Min Ho Ko, Jae Won Choi
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Publication number: 20160217746Abstract: An organic light emitting diode display including: a substrate including a pixel part for displaying an image and a peripheral part enclosing the pixel part; a plurality of scan lines formed on the substrate, each for transferring a scan signal; a plurality of data lines for transferring a data voltage, and a plurality of driving voltage lines intersecting the plurality of scan lines for transferring a driving voltage, respectively; a plurality of pixels connected to the plurality of scan lines and the plurality of data lines, respectively and formed in the pixel part; and at least one dummy pixel connected to the plurality of scan lines and the plurality of data lines and formed in the peripheral part.Type: ApplicationFiled: July 1, 2015Publication date: July 28, 2016Inventors: Jin Sung An, Min Ho Ko