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公开(公告)号：US20240172504A1
公开(公告)日：2024-05-23
申请号：US18461015
申请日：2023-09-05
Applicant: Samsung Display Co., Ltd.
Inventor： Kwangchul Jung , Yongjun Jo , Sungmin Son , Jaejin Song
IPC: H10K59/131 , H10K59/121
CPC classification number: H10K59/131 , H10K59/1213 , H10K59/1216
Abstract: A display apparatus includes a substrate, a scan line disposed over the substrate and extending in a first direction, an initialization voltage line disposed over the substrate and extending in the first direction, a first thin-film transistor including a first semiconductor layer and a first gate electrode insulated from the first semiconductor layer, the first semiconductor layer including a silicon semiconductor, and a second thin-film transistor including a second semiconductor layer and a second gate electrode insulated from the second semiconductor layer, the second semiconductor layer including an oxide semiconductor, wherein the second semiconductor layer is disposed between the scan line and the initialization voltage line in a plan view, and the second gate electrode extends from the scan line in a second direction perpendicular to the first direction.
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公开(公告)号：US11217128B2
公开(公告)日：2022-01-04
申请号：US15854260
申请日：2017-12-26
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kwangchul Jung , Jaeyoon Jung , Joungpyo Park , Boogyo Shin , Hyunsuk Yang
Abstract: A display panel includes: a substrate including a display area and a non-display area around the display area; a plurality of scan lines and a plurality of data lines crossing each other on the substrate at the display area; a plurality of pixels connected to the plurality of scan lines and the plurality of data lines; and a test circuit portion on the substrate at the non-display area, the test circuit portion connected to the plurality of data lines. The test circuit portion includes: a lighting test signal line which applies a lighting signal to each of the plurality of data lines; and a crack detection circuit line connected between the plurality of data lines and the lighting test signal line. The crack detection circuit line includes a plurality of signal lines connected to different data lines among the plurality of data lines.
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公开(公告)号：US20220199747A1
公开(公告)日：2022-06-23
申请号：US17551754
申请日：2021-12-15
Applicant: Samsung Display Co., Ltd.
Inventor： Kwangchul Jung , Mina Kim , Seulbee Lee , Yongjun Jo
IPC: H01L27/32
Abstract: A display apparatus includes first to third pixels sequentially arranged in a first direction, a first voltage line which transfers a first initialization voltage, a second voltage line which transfers a second initialization voltage, a first contact plug connecting the first pixel and the second pixel to the first voltage line, and a second contact plug connecting the second pixel and the third pixel to the second voltage line.
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公开(公告)号：US20220123215A1
公开(公告)日：2022-04-21
申请号：US17468526
申请日：2021-09-07
Applicant: Samsung Display Co., Ltd.
Inventor： Yongjun Jo , Kwangchul Jung , Mina Kim , Seulbee Lee
Abstract: A method of manufacturing a display panel having an opening, a display area surrounding the opening, and a non-display area between the opening and the display area, the method includes the steps of: forming a pixel circuit including a at least one thin-film transistor in the display area, forming a first electrode electrically connected to the at least one thin-film transistor, forming a first layer having a plurality of slits in the non-display area, forming, on the first electrode, an intermediate layer and a second electrode that form a light-emitting element, the intermediate layer and the second electrode being disposed on the display area and the non-display area, and covering the first layer, lifting the second electrode off from the intermediate layer by irradiating a first laser beam having a first energy density toward the first layer, the intermediate layer, and the second electrode, which are stacked, and lifting off the first layer and the intermediate layer by irradiating a second laser beam having a second energy density greater than the first density toward the first layer.
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公开(公告)号：US12178091B2
公开(公告)日：2024-12-24
申请号：US17551754
申请日：2021-12-15
Applicant: Samsung Display Co., Ltd.
Inventor： Kwangchul Jung , Mina Kim , Seulbee Lee , Yongjun Jo
IPC: H10K59/131 , H10K59/12 , H10K59/121 , H10K59/123
Abstract: A display apparatus includes first to third pixels sequentially arranged in a first direction, a first voltage line which transfers a first initialization voltage, a second voltage line which transfers a second initialization voltage, a first contact plug connecting the first pixel and the second pixel to the first voltage line, and a second contact plug connecting the second pixel and the third pixel to the second voltage line.
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Patent Agency Ranking
公开(公告)号：US11127921B2
公开(公告)日：2021-09-21
申请号：US16456346
申请日：2019-06-28
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kwangchul Jung
Abstract: An organic light-emitting display apparatus including a substrate having a display area and a peripheral area; a TFT in the display area; an organic insulating layer on the TFT; an OLED that includes a pixel electrode electrically connected to the TFT, an emission layer on the pixel electrode, and a counter electrode facing the pixel electrode with the emission layer therebetween; a pixel-defining layer on the organic insulating layer and having an opening overlying the pixel electrode; a first dam in the peripheral area; a second dam in the peripheral area to surround an outer periphery of the first dam; a metal-containing layer covering the first dam and including a same material as the pixel electrode; and a thin-film encapsulator on the substrate to cover the OLED and including a first and second inorganic films, and an organic film between the first and second inorganic films.
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公开(公告)号：US11889744B2
公开(公告)日：2024-01-30
申请号：US17468526
申请日：2021-09-07
Applicant: Samsung Display Co., Ltd.
Inventor： Yongjun Jo , Kwangchul Jung , Mina Kim , Seulbee Lee
IPC: H10K71/20 , H10K50/844 , H10K59/12 , H10K59/65 , H10K71/00
CPC classification number: H10K71/221 , H10K50/844 , H10K59/12 , H10K59/65 , H10K71/00 , H10K71/621 , H10K59/1201
Abstract: A method of manufacturing a display panel having an opening, a display area surrounding the opening, and a non-display area between the opening and the display area, the method includes the steps of: forming a pixel circuit including a at least one thin-film transistor in the display area, forming a first electrode electrically connected to the at least one thin-film transistor, forming a first layer having a plurality of slits in the non-display area, forming, on the first electrode, an intermediate layer and a second electrode that form a light-emitting element, the intermediate layer and the second electrode being disposed on the display area and the non-display area, and covering the first layer, lifting the second electrode off from the intermediate layer by irradiating a first laser beam having a first energy density toward the first layer, the intermediate layer, and the second electrode, which are stacked, and lifting off the first layer and the intermediate layer by irradiating a second laser beam having a second energy density greater than the first density toward the first layer.
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8.发明授权公开(公告)号：US11600797B2
公开(公告)日：2023-03-07
申请号：US17169837
申请日：2021-02-08
Applicant: Samsung Display Co., Ltd.
Inventor： Kwangchul Jung
Abstract: An organic light-emitting display apparatus including a substrate having a display area and a peripheral area; a TFT in the display area; an organic insulating layer on the TFT; an OLED that includes a pixel electrode electrically connected to the TFT, an emission layer on the pixel electrode, and a counter electrode facing the pixel electrode with the emission layer therebetween; a pixel-defining layer on the organic insulating layer and having an opening overlying the pixel electrode; a first dam in the peripheral area; a second dam in the peripheral area to surround an outer periphery of the first dam; a metal-containing layer covering the first dam and including a same material as the pixel electrode; and a thin-film encapsulator on the substrate to cover the OLED and including a first and second inorganic films, and an organic film between the first and second inorganic films.
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公开(公告)号：US20250089501A1
公开(公告)日：2025-03-13
申请号：US18954153
申请日：2024-11-20
Applicant: Samsung Display Co., Ltd.
Inventor： Kwangchul Jung , Mina Kim , Seulbee Lee , Yongjun Jo
IPC: H10K59/131 , H10K59/121
Abstract: A display apparatus includes first to third pixels sequentially arranged in a first direction, a first voltage line which transfers a first initialization voltage, a second voltage line which transfers a second initialization voltage, a first contact plug connecting the first pixel and the second pixel to the first voltage line, and a second contact plug connecting the second pixel and the third pixel to the second voltage line.
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公开(公告)号：US20240244942A1
公开(公告)日：2024-07-18
申请号：US18404862
申请日：2024-01-04
Applicant: Samsung Display Co., Ltd.
Inventor： Yongjun Jo , Kwangchul Jung , Mina Kim , Seulbee Lee
IPC: H10K71/20 , H10K50/844 , H10K59/12 , H10K59/65 , H10K71/00
CPC classification number: H10K71/221 , H10K50/844 , H10K59/12 , H10K59/65 , H10K71/00 , H10K71/621 , H10K59/1201
Abstract: A display panel includes a substrate including an opening and a display area surrounding the opening, a light-emitting element in the display area and including a first electrode, an intermediate layer, and a second electrode, a multi-layered dam in a non-display area between the opening and the display area, an encapsulation layer extending substantially over the display area and the non-display area, and a first layer pattern disposed in one area of the non-display area.
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