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公开(公告)号：US20220006015A1
公开(公告)日：2022-01-06
申请号：US17213726
申请日：2021-03-26
发明人： Junhyeuk KO , Euigyu KIM , Minseok KIM , Bongjun KIM , Haram YOO , Kyunghoon CHUNG
IPC分类号： H01L51/00 , H01L21/683
摘要： An apparatus for manufacturing a display apparatus includes a substrate. A mask assembly includes an opening, a mask frame surrounding the opening, and at least one mask coupled to the mask frame. An electrostatic chuck is configured to attach the substrate to the at least one mask. A first driver is configured to drive the electrostatic chuck. At least a partial portion of the mask frame does not overlap the electrostatic chuck in a thickness direction of the substrate.
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公开(公告)号：US20230206855A1
公开(公告)日：2023-06-29
申请号：US18089790
申请日：2022-12-28
发明人： Gyungsoon PARK , Sunhwa LEE , Hyunjoon KIM , Jaeyong JANG , Kyunghoon CHUNG
IPC分类号： G09G3/3266 , H10K59/121 , H10K59/131 , H10K59/123
CPC分类号： G09G3/3266 , H10K59/1213 , H10K59/131 , H10K59/1216 , H10K59/123
摘要： A display apparatus includes a pixel part including a plurality of pixels, and a gate driving circuit. Each of the plurality of pixels is driven in one first scan period and one or more second scan periods during one frame in a driving mode driven at a first driving frequency lower than a maximum driving frequency.
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公开(公告)号：US20240071317A1
公开(公告)日：2024-02-29
申请号：US18502554
申请日：2023-11-06
发明人： Gyungsoon PARK , Sunhwa LEE , Hyunjoon KIM , Jaeyong JANG , Kyunghoon CHUNG
IPC分类号： G09G3/3266 , G09G3/36 , H10K59/121 , H10K59/123 , H10K59/131
CPC分类号： G09G3/3266 , G09G3/3677 , H10K59/1213 , H10K59/1216 , H10K59/123 , H10K59/131 , G09G2310/0202
摘要： A display apparatus includes a pixel part including a plurality of pixels, and a gate driving circuit. Each of the plurality of pixels is driven in one first scan period and one or more second scan periods during one frame in a driving mode driven at a first driving frequency lower than a maximum driving frequency.
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公开(公告)号：US20230389382A1
公开(公告)日：2023-11-30
申请号：US18446429
申请日：2023-08-08
发明人： Sunhwa LEE , Hyeongseok KIM , Youngwan SEO , Gyungsoon PARK , Mukyung JEON , Kyunghoon CHUNG
IPC分类号： H10K59/131 , H10K59/88 , H10K59/121 , H10K59/122
CPC分类号： H10K59/131 , H10K59/88 , H10K59/121 , H10K59/122 , H10K59/35
摘要： A display apparatus having a display area enlarged to display an image in an area where a component is arranged includes a substrate including a first area having a transmission portion, and a second area surrounding the first area, a first data line extending in a first direction on the second area, and including a first line and a second line spaced from each other with the first area therebetween, a connection line on the second area, adjacent to, and bypassing, the first area, and including an end connected to the first line, and another end connected to the second line, a pixel circuit on the second area, including a thin-film transistor, and a node connection line electrically connected to the thin-film transistor, and a first pixel electrode above the pixel circuit, wherein the connection line is spaced from the node connection line.
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公开(公告)号：US20230005418A1
公开(公告)日：2023-01-05
申请号：US17734320
申请日：2022-05-02
申请人： SAMSUNG DISPLAY CO., LTD. , IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
发明人： Oh-Kyong KWON , Minjae JEONG , Kyunghoon CHUNG
IPC分类号： G09G3/32
摘要： A display device is provided including a display panel. A pixel of the display panel includes a light emitting element, first through sixth transistors, and a capacitor. The first transistor is connected between a power line and the light emitting element and operates depending on a potential of a first node. The second transistor is connected between a data line and a second node. The capacitor is connected between the first node and the second node. The third transistor is connected between the first transistor and the first node. The fourth transistor is connected between the first node and a reference voltage line. The fifth transistor is connected between the second node and the reference voltage line. The sixth transistor is connected between the power line and the second node.
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公开(公告)号：US20210312856A1
公开(公告)日：2021-10-07
申请号：US17147768
申请日：2021-01-13
发明人： Minjae JEONG , Keechan PARK , Joonho LEE , Kyunghoon CHUNG , Chongchul CHAI
IPC分类号： G09G3/32
摘要： A display panel includes sub-pixels each including a light-emitting element and a pixel circuit including a first transistor and a second transistor; a timing control unit to generate bias data based on first characteristic information of the first transistor, and generate correction data based on second characteristic information of the second transistor; and a data sensing driving unit configured to receive the bias data and the correction data, and output a bias voltage and a grayscale voltage to the pixel circuit. The pixel circuit includes the first transistor to output a driving current to the light-emitting element; a first driving circuit to control a magnitude of the driving current based on the bias voltage; and a second driving circuit including the second transistor and configured to control a pulse width of the driving current based on the grayscale voltage.
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公开(公告)号：US20180357965A1
公开(公告)日：2018-12-13
申请号：US15949363
申请日：2018-04-10
发明人： Kyunghoon CHUNG , Hyunjoon KIM , Kyung-Bae KIM
IPC分类号： G09G3/3266
CPC分类号： G09G3/3266 , G09G2310/0286 , G09G2310/06 , G09G2310/08
摘要： A scan driver includes circuit stages for sequentially outputting scan signals, each one of the circuit stages including a signal generator for generating signals provided at a first node and a third node based on a carry signal and a second clock signal, the signal generator including a (2-1)-th transistor including a control electrode connected to the third node and a first electrode for receiving the second clock signal, and a (2-2)-th transistor including a control electrode for receiving a low driving voltage, a first electrode connected to a second electrode of the (2-1)-th transistor, and a second electrode connected to the first node, a first node controller for applying a boosting voltage to the first node based on a first clock signal, and a pull up/down circuit for pulling the scan signal up/down to a high/low voltage based on a signal applied to a second node.
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