Patents by Inventor Minchae KWAK
Minchae KWAK 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: 11957016Abstract: A display apparatus includes: a plurality of pixel circuits at a display area, the display area having a non-quadrangular shape; a first signal line extending on the display area in a first direction, and electrically connected to a first pixel circuit from among the plurality of pixel circuits; a first voltage line extending on the display area in the first direction; a first load compensation capacitor adjacent to an end portion of the first signal line and an end portion of the first voltage line; a test circuit outside the display area; an output line electrically connected to the test circuit; and a connection portion configured to electrically connect the output line, the first signal line, and an electrode of the first load compensation capacitor to each other.Type: GrantFiled: December 16, 2021Date of Patent: April 9, 2024Assignee: Samsung Display Co., Ltd.Inventors: Minchae Kwak, Ilgoo Youn, Byungsun Kim, Jieun Lee, Seunghan Jo, Junyoung Jo, Minhee Choi
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Publication number: 20240099062Abstract: A display device includes a circular display area and a non-display area surrounding the circular display area. The display device may further include a load matcher disposed adjacent to an edge of the circular display area in the circular display area, a pixel disposed in the circular display area, spaced apart from the non-display area by the load matcher, and connected to the load matcher, and a repair pixel disposed adjacent to the edge of the circular display area in the non-display area, and connected to the pixel.Type: ApplicationFiled: November 27, 2023Publication date: March 21, 2024Inventors: SUMI JANG, MINCHAE KWAK, KYEONGHWA KIM, MIHAE KIM, KYONGHWAN OH, SEUNGHAN JO, JAE-HO CHOI
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Patent number: 11853132Abstract: A display apparatus includes a display unit having a display area and a non-display area, a first driver in the non-display area, a second driver in the non-display area and space apart from the first driver, a bending portion connected to the display unit, and a connector connected to the bending portion, wherein a first wire part connected to the first driver and a second wire part connected to the second driver are disposed in the non-display area, and the first wire part and the second wire part are connected to each other via a connection wire part.Type: GrantFiled: May 27, 2022Date of Patent: December 26, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Minhee Choi, Minchae Kwak, Byungsun Kim, Ilgoo Youn, Jieun Lee, Seunghan Jo, Junyoung Jo
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Publication number: 20230403879Abstract: A display device includes a substrate including a shift area, a main display area, and an extended display area, a first pixel circuit disposed in the shift area, a second pixel circuit and third pixel circuit which are disposed in the main display area, a first display element disposed in the main display area and including a first pixel electrode electrically connected to the first pixel circuit and a first emission layer, a second display element disposed in the main display area and including a second pixel electrode electrically connected to the second pixel circuit and a second emission layer, a third display element disposed in the extended display area and including a third pixel electrode electrically connected to the third pixel circuit and a third emission layer, and a dummy electrode disposed in the shift area and electrically connected to the first pixel circuit.Type: ApplicationFiled: May 17, 2023Publication date: December 14, 2023Inventors: Hwayoung SONG, Sukyoung KIM, Ahyoung KIM, Minchae KWAK, Jaeho CHOI
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Patent number: 11832478Abstract: A display device includes a circular display area and a non-display area surrounding the circular display area. The display device may further include a load matcher disposed adjacent to an edge of the circular display area in the circular display area, a pixel disposed in the circular display area, spaced apart from the non-display area by the load matcher, and connected to the load matcher, and a repair pixel disposed adjacent to the edge of the circular display area in the non-display area, and connected to the pixel.Type: GrantFiled: May 27, 2021Date of Patent: November 28, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sumi Jang, Minchae Kwak, Kyeonghwa Kim, Mihae Kim, Kyonghwan Oh, Seunghan Jo, Jae-Ho Choi
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Publication number: 20230133807Abstract: A display device including: a substrate including a display area and a peripheral area adjacent to the display area; a plurality of data lines extending in a first direction in the display area; a fan-out unit arranged in the peripheral area and connected to the plurality of data lines; a first signal line arranged in the peripheral area; and a common power supply line arranged in the peripheral area and overlapping the fan-out unit.Type: ApplicationFiled: December 30, 2022Publication date: May 4, 2023Inventors: Minchae Kwak, Hwayoung Song, Junyoung Jo, Jihyun Ka, Byungsun Kim, Ilgoo Youn, Jieun Lee, Seunghan Jo, Minhee Choi
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Publication number: 20230126345Abstract: A display device may include a substrate including a circular display area and a non-display area, a plurality of pixels including a first pixel and a second pixel disposed on the display area of the substrate, a first sub-demux circuit connected to the first pixel and disposed on the non-display area, a second sub-demux circuit connected to the second pixel and disposed on the non-display area, a first connection line connected to the first sub-demux circuit and the second sub-demux circuit and disposed on the non-display area to transfer first and second data input signals to the first and second sub-demux circuits, and a plurality of gate stages connected to the pixels and disposed on the non-display area to transfer gate signals to the pixels. Some of the gate stages are disposed between the first sub-demux circuit and the second sub-demux circuit.Type: ApplicationFiled: December 26, 2022Publication date: April 27, 2023Inventors: MINCHAE KWAK, KYEONGHWA KIM, MIHAE KIM, KYONGHWAN OH, SUMI JANG, SEUNGHAN JO, JAE-HO CHOI
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Patent number: 11581393Abstract: An electronic apparatus includes a base substrate having a first region, a second region at least partially surrounded by the first region, and a display region at least partially surrounding the first region, a plurality of pixels disposed on the base substrate, each of which includes a transistor and a light emitting element connected to the transistor, a hole line connecting pixels with the second region interposed therebetween, and a hole pattern electrically insulated from the hole line, disposed in the first region, and at least partially surrounding the second region.Type: GrantFiled: July 1, 2021Date of Patent: February 14, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Wonkyu Kwak, Jinhee Jang, Jae-Sic Lee, Minchae Kwak, Byungsun Kim, Hansol Kim, Changsoo Pyon, Jae Yong Lee, Jae-Ho Choi
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Patent number: 11545534Abstract: A display device including: a substrate including a display area and a peripheral area adjacent to the display area; a plurality of data lines extending in a first direction in the display area; a fan-out unit arranged in the peripheral area and connected to the plurality of data lines; a first signal line arranged in the peripheral area; and a common power supply line arranged in the peripheral area and overlapping the fan-out unit.Type: GrantFiled: July 28, 2020Date of Patent: January 3, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Minchae Kwak, Hwayoung Song, Junyoung Jo, Jihyun Ka, Byungsun Kim, Ilgoo Youn, Jieun Lee, Seunghan Jo, Minhee Choi
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Patent number: 11538420Abstract: A display device may include a substrate including a circular display area and a non-display area, a plurality of pixels including a first pixel and a second pixel disposed on the display area of the substrate, a first sub-demux circuit connected to the first pixel and disposed on the non-display area, a second sub-demux circuit connected to the second pixel and disposed on the non-display area, a first connection line connected to the first sub-demux circuit and the second sub-demux circuit and disposed on the non-display area to transfer first and second data input signals to the first and second sub-demux circuits, and a plurality of gate stages connected to the pixels and disposed on the non-display area to transfer gate signals to the pixels. Some of the gate stages are disposed between the first sub-demux circuit and the second sub-demux circuit.Type: GrantFiled: June 22, 2021Date of Patent: December 27, 2022Inventors: Minchae Kwak, Kyeonghwa Kim, Mihae Kim, Kyonghwan Oh, Sumi Jang, Seunghan Jo, Jae-Ho Choi
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Publication number: 20220367601Abstract: A display device includes a display area having a curved outer edge, a non-display area extended along the curved outer edge of the display area, the non-display area including a driver, a first non-display area including a first fan-out line having a first resistivity value; and a second non-display area extended along the curved outer edge of the display area and in a direction away from the first non-display area, the second non-display area including a first connection line which connects the driver to the first fan-out line, the first connection line having a second resistivity value less than the first resistivity value of the first fan-out line.Type: ApplicationFiled: March 8, 2022Publication date: November 17, 2022Inventors: MINCHAE KWAK, BYUNGSUN KIM, KYEONGHWA KIM, MIHAE KIM, KYONGHWAN OH, SUMI JANG, SEUNGHAN JO, JAE-HO CHOI
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Publication number: 20220328601Abstract: A display apparatus includes: a substrate including a display area and a peripheral area outside the display area; a first data line extending from the display area into the peripheral area; a 1-1st lower load located in the peripheral area and electrically connected to the first data line; a 1-2nd lower load located in the peripheral area and electrically connected to the 1-1st lower load; a 1-1st upper load located in the peripheral area and above the 1-1st lower load, where the 1-1st upper load is insulated from the 1-1st lower load; and a 1-2nd upper load located in the peripheral area and above the 1-2nd lower load, where the 1-2nd upper load is insulated from the 1-2nd lower load and electrically connected to the 1-1st upper load.Type: ApplicationFiled: October 28, 2021Publication date: October 13, 2022Inventors: Minchae Kwak, Mihae Kim, Wando Lee, Seungyeon Cho, Jaeho Choi
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Publication number: 20220283616Abstract: A display apparatus includes a display unit having a display area and a non-display area, a first driver in the non-display area, a second driver in the non-display area and space apart from the first driver, a bending portion connected to the display unit, and a connector connected to the bending portion, wherein a first wire part connected to the first driver and a second wire part connected to the second driver are disposed in the non-display area, and the first wire part and the second wire part are connected to each other via a connection wire part.Type: ApplicationFiled: May 27, 2022Publication date: September 8, 2022Applicant: Samsung Display Co., Ltd.Inventors: Minhee CHOI, Minchae KWAK, Byungsun KIM, Ilgoo YOUN, Jieun LEE, Seunghan JO, Junyoung JO
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Patent number: 11393893Abstract: A display device includes: a plurality of pixels arranged in a display area that has a non-quadrangular shape; and a plurality of driving circuits arranged in a peripheral area outside the display area and connected to the plurality of pixels, wherein a plurality of sub-driving circuits included in each of the plurality of driving circuits are distributed in a line in the peripheral area.Type: GrantFiled: June 18, 2020Date of Patent: July 19, 2022Assignee: Samsung Display Co., Ltd.Inventors: Junyoung Jo, Byungsun Kim, Minhee Choi, Minchae Kwak, Ilgoo Youn, Jieun Lee, Seunghan Jo
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Publication number: 20220208933Abstract: A display device includes a substrate on which a display area including a plurality of pixels and a non-display area surrounding the display area are defined, a first voltage line disposed on the substrate in the non-display area, where the first voltage line provides a first voltage to the pixels, a second voltage line disposed on the substrate in the non-display area, where the second voltage line provides a second voltage to the pixels, and a first demux circuit area and a second demux circuit area disposed on the substrate in the non-display area, where the first demux circuit area and the second demux circuit area transmit data signals to the pixels. The first voltage line passes an area between the first demux circuit area and the second demux circuit area.Type: ApplicationFiled: November 23, 2021Publication date: June 30, 2022Inventors: JAE-HO CHOI, MINCHAE KWAK, KYEONGHWA KIM, MIHAE KIM, KYONGHWAN OH, SUMI JANG, SEUNGHAN JO
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Patent number: 11347283Abstract: A display apparatus includes a display unit having a display area and a non-display area, a first driver in the non-display area, a second driver in the non-display area and space apart from the first driver, a bending portion connected to the display unit, and a connector connected to the bending portion, wherein a first wire part connected to the first driver and a second wire part connected to the second driver are disposed in the non-display area, and the first wire part and the second wire part are connected to each other via a connection wire part.Type: GrantFiled: July 24, 2020Date of Patent: May 31, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Minhee Choi, Minchae Kwak, Byungsun Kim, Ilgoo Youn, Jieun Lee, Seunghan Jo, Junyoung Jo
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Publication number: 20220109043Abstract: A display apparatus includes: a plurality of pixel circuits at a display area, the display area having a non-quadrangular shape; a first signal line extending on the display area in a first direction, and electrically connected to a first pixel circuit from among the plurality of pixel circuits; a first voltage line extending on the display area in the first direction; a first load compensation capacitor adjacent to an end portion of the first signal line and an end portion of the first voltage line; a test circuit outside the display area; an output line electrically connected to the test circuit; and a connection portion configured to electrically connect the output line, the first signal line, and an electrode of the first load compensation capacitor to each other.Type: ApplicationFiled: December 16, 2021Publication date: April 7, 2022Inventors: Minchae Kwak, Ilgoo Youn, Byungsun Kim, Jieun Lee, Seunghan Jo, Junyoung Jo, Minhee Choi
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Publication number: 20220102436Abstract: A display device includes a circular display area and a non-display area surrounding the circular display area. The display device may further include a load matcher disposed adjacent to an edge of the circular display area in the circular display area, a pixel disposed in the circular display area, spaced apart from the non-display area by the load matcher, and connected to the load matcher, and a repair pixel disposed adjacent to the edge of the circular display area in the non-display area, and connected to the pixel.Type: ApplicationFiled: May 27, 2021Publication date: March 31, 2022Inventors: SUMI JANG, MINCHAE KWAK, KYEONGHWA KIM, MIHAE KIM, KYONGHWAN OH, SEUNGHAN JO, JAE-HO CHOI
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Publication number: 20220093713Abstract: Provided is a display apparatus including: a substrate in which a display element is arranged; a first thin film transistor arranged in the display area and including a first semiconductor layer including silicon and a first control electrode insulated from the first semiconductor layer; a first interlayer insulating layer covering the first control electrode; a second thin film transistor arranged on the first interlayer insulating layer and including a second semiconductor layer including an oxide semiconductor and a second control electrode insulated from the second semiconductor layer; a second interlayer insulating layer covering the second control electrode; a node connection line arranged on the second interlayer insulating layer and connected to the first control electrode via a first contact hole; a first planarization layer covering the node connection line; and a shielding electrode arranged on the first planarization layer to overlap the node connection line.Type: ApplicationFiled: December 6, 2021Publication date: March 24, 2022Inventors: JIEUN LEE, MINCHAE KWAK, BYUNGSUN KIM, ILGOO YOUN, SEUNGHAN JO, JUNYOUNG JO, MINHEE CHOI
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Publication number: 20220068218Abstract: A display device may include a substrate including a circular display area and a non-display area, a plurality of pixels including a first pixel and a second pixel disposed on the display area of the substrate, a first sub-demux circuit connected to the first pixel and disposed on the non-display area, a second sub-demux circuit connected to the second pixel and disposed on the non-display area, a first connection line connected to the first sub-demux circuit and the second sub-demux circuit and disposed on the non-display area to transfer first and second data input signals to the first and second sub-demux circuits, and a plurality of gate stages connected to the pixels and disposed on the non-display area to transfer gate signals to the pixels. Some of the gate stages are disposed between the first sub-demux circuit and the second sub-demux circuit.Type: ApplicationFiled: June 22, 2021Publication date: March 3, 2022Inventors: MINCHAE KWAK, KYEONGHWA KIM, MIHAE KIM, KYONGHWAN OH, SUMI JANG, SEUNGHAN JO, JAE-HO CHOI