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公开(公告)号：US12167658B2
公开(公告)日：2024-12-10
申请号：US18368569
申请日：2023-09-15
Applicant: Samsung Display Co., Ltd.
Inventor： Sunghwan Kim , Wonkyu Kwak
IPC: H01L29/08 , H10K59/121 , H10K59/124 , H10K59/131 , H10K59/65
Abstract: A display apparatus in which a display area is expanded so that an image may be displayed even in an area where components are arranged is provided. The display apparatus includes a substrate including a first area in which a transmissive portion is located and a second area adjacent to the first area, a pixel circuit unit arranged in the first area and including a pixel circuit, a first pixel electrode arranged in the first area and electrically connected to the pixel circuit, the first pixel electrode having a first portion overlapping the pixel circuit unit and a second portion not overlapping the pixel circuit unit, and a metal pattern layer arranged between the substrate and the first pixel electrode and corresponding to the second portion.
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公开(公告)号：US20240324366A1
公开(公告)日：2024-09-26
申请号：US18612089
申请日：2024-03-21
Applicant: Samsung Display Co., Ltd.
Inventor： Sunghwan Kim , Wonkyu Kwak , Daehyun Kim , Heyjin Shin , Changkyu Jin
IPC: H10K59/131 , H10K59/124
CPC classification number: H10K59/131 , H10K59/124
Abstract: A display apparatus includes a pixel electrode in which an emission area is defined, a first horizontal conductive layer extending in a first direction, a first vertical conductive layer extending in a second direction intersecting the first direction, and intersecting the first horizontal conductive layer, a second vertical conductive layer extending in the second direction and intersecting the first horizontal conductive layer, and an insulating layer disposed between the first horizontal conductive layer and the first vertical conductive layer and between the first horizontal conductive layer and the second vertical conductive layer. A first contact hole through which the first vertical conductive layer contacts the first horizontal conductive layer is defined in the insulating layer, and the first contact hole is spaced apart from the emission area.
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公开(公告)号：US11985879B2
公开(公告)日：2024-05-14
申请号：US18312937
申请日：2023-05-05
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sunghwan Kim , Chulkyu Kang , Soohee Oh , Dongsun Lee
IPC: H10K59/35 , H10K59/12 , H10K59/122 , H10K59/13 , H10K59/131
CPC classification number: H10K59/353 , H10K59/122 , H10K59/131
Abstract: A display panel includes a first unit pixel including a first pixel electrode for emitting red light, a first pixel electrode for emitting blue light, and a first pixel electrode for emitting green light. A second unit pixel neighbors the first unit pixel and includes a second pixel electrode for emitting red light, a second pixel electrode for emitting blue light, and a second pixel electrode for emitting green light. The first unit pixel further includes a first red emission layer disposed on the first pixel electrode for emitting red light. The second unit pixel further includes a second red emission layer disposed on the second pixel electrode for emitting red light. The first red emission layer is spaced apart from the second red emission layer in the first direction.
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公开(公告)号：US20240008328A1
公开(公告)日：2024-01-04
申请号：US18368569
申请日：2023-09-15
Applicant: Samsung Display Co., Ltd.
Inventor： Sunghwan Kim , Wonkyu Kwak
IPC: H10K59/131 , H10K59/65 , H10K59/124 , H10K59/121
CPC classification number: H10K59/131 , H10K59/65 , H10K59/124 , H10K59/1213 , H10K59/1216
Abstract: A display apparatus in which a display area is expanded so that an image may be displayed even in an area where components are arranged is provided. The display apparatus includes a substrate including a first area in which a transmissive portion is located and a second area adjacent to the first area, a pixel circuit unit arranged in the first area and including a pixel circuit, a first pixel electrode arranged in the first area and electrically connected to the pixel circuit, the first pixel electrode having a first portion overlapping the pixel circuit unit and a second portion not overlapping the pixel circuit unit, and a metal pattern layer arranged between the substrate and the first pixel electrode and corresponding to the second portion.
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公开(公告)号：US11749198B2
公开(公告)日：2023-09-05
申请号：US18045761
申请日：2022-10-11
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Dongwoo Kim , Sunghwan Kim , Kyoungju Shin , Cheol-Gon Lee , Sang-Uk Lim
IPC: G09G3/3233 , G09G3/3266 , G09G3/3283 , H01L27/12 , G01N11/02 , G01N27/416 , G01N33/18 , H10K59/131 , H10K59/121 , H01L29/786
CPC classification number: G09G3/3233 , G01N11/02 , G01N27/4161 , G01N27/4166 , G01N33/18 , G09G3/3266 , G09G3/3283 , H01L27/1222 , H10K59/1216 , H10K59/131 , G09G2300/0426 , G09G2300/0819 , G09G2300/0823 , G09G2300/0852 , G09G2300/0861 , G09G2320/0214 , G09G2320/0219 , G09G2320/0238 , H01L27/124 , H01L27/1225 , H01L27/1255 , H01L29/7869 , H01L29/78675 , H10K59/1213
Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.
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Patent Agency Ranking
公开(公告)号：US11678535B2
公开(公告)日：2023-06-13
申请号：US17115931
申请日：2020-12-09
Applicant: Samsung Display Co., Ltd.
Inventor： Junghoon Shim , Wonkyu Kwak , Sunghwan Kim
CPC classification number: H01L27/3276 , H01L27/3234 , H01L27/3262
Abstract: A display panel includes a substrate including a first area including a transmission area, a second area, and a third area, the second area and the third area being adjacent to the first area; a first pixel group and a second pixel group each disposed in the first area, the transmission area being disposed between the first pixel group and the second pixel group; first connection lines extending in a first direction and electrically connected to first pixels of the first pixel group; second connection lines extending in the first direction and electrically connected to second pixels of the second pixel group; and third connection lines extending in a second direction and disposed in the third area, the third connection lines being electrically connected to the first connection lines and the second connection lines.
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公开(公告)号：US11296183B2
公开(公告)日：2022-04-05
申请号：US16988764
申请日：2020-08-10
Applicant: Samsung Display Co., Ltd.
Inventor： Soyoung Lee , Chulkyu Kang , Sunghwan Kim , Hyunchol Bang , Soohee Oh , Dongsun Lee
Abstract: The present disclosure provides a display panel. In order to reduce a parasitic capacitance that may occur between a data line and a semiconductor layer and a crosstalk caused by the parasitic capacitance, a display panel includes a substrate, a driving thin film transistor on the substrate, including a driving semiconductor layer and a driving gate electrode, a compensation thin film transistor on the substrate, including a compensation semiconductor layer and a compensation gate electrode, a node connection line electrically connecting the driving thin film transistor to the compensation thin film transistor, a scan line extending in a first direction on the substrate, and a gate connection line electrically connected to the scan line, which includes the compensation gate electrode, wherein the compensation semiconductor layer is closer to the driving semiconductor layer than the scan line when viewed on a plane.
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公开(公告)号：US20210407412A1
公开(公告)日：2021-12-30
申请号：US17198068
申请日：2021-03-10
Applicant: Samsung Display Co., Ltd.
Inventor： Sunghwan Kim , Eunju Kim
IPC: G09G3/3233
Abstract: A pixel includes a light-emitting device, a driving TFT for controlling a magnitude of a current from a power line to the light-emitting device according to a gate-source voltage, a storage capacitor disposed between the power line and a gate of the driving TFT, a scan TFT to transfer a data voltage to a source of the driving TFT in response to a first signal, first and second compensation TFTs serially connected between a drain and the gate of the driving TFT, a gate initialization TFT to apply a first voltage to the gate of the driving TFT in response to a second signal, an anode initialization TFT to apply a second voltage to an anode of the light-emitting device in response to a third signal, and a shield capacitor disposed between a node between the first and second compensation TFTs and the power line or a second voltage line.
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公开(公告)号：US11120744B2
公开(公告)日：2021-09-14
申请号：US16551006
申请日：2019-08-26
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sunghwan Kim , Chulkyu Kang , Daehyun Kim , Soohee Oh , Dongsun Lee
IPC: G09G3/3275 , G09G3/3266 , G09G3/3258 , G09G3/3225
Abstract: A display device includes a pixel circuit including a first pixel and a second pixel. The first pixel arranged in a first row and the second pixel arranged in a second row are commonly connected to one scan line, the number of the scan lines required by the display device may be reduced to half. An active period of the first selection signal does not overlap an active period of the second selection signal. A scan on time of the scan signal overlaps one of the active period of the first selection signal and the active period of the second selection signal.
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公开(公告)号：US20210265456A1
公开(公告)日：2021-08-26
申请号：US16988764
申请日：2020-08-10
Applicant: Samsung Display Co., Ltd.
Inventor： Soyoung Lee , Chulkyu Kang , Sunghwan Kim , Hyunchol Bang , Soohee Oh , Dongsun Lee
IPC: H01L27/32
Abstract: The present disclosure provides a display panel. In order to reduce a parasitic capacitance that may occur between a data line and a semiconductor layer and a crosstalk caused by the parasitic capacitance, a display panel includes a substrate, a driving thin film transistor on the substrate, including a driving semiconductor layer and a driving gate electrode, a compensation thin film transistor on the substrate, including a compensation semiconductor layer and a compensation gate electrode, a node connection line electrically connecting the driving thin film transistor to the compensation thin film transistor, a scan line extending in a first direction on the substrate, and a gate connection line electrically connected to the scan line, which includes the compensation gate electrode, wherein the compensation semiconductor layer is closer to the driving semiconductor layer than the scan line when viewed on a plane.
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