公开(公告)号：US20210150984A1

公开(公告)日：2021-05-20

申请号：US17160488

申请日：2021-01-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young-In HWANG ,  Sung Ho KIM ,  Yong Ho YANG ,  Seong Min WANG

IPC: G09G3/3233 ,  H01L51/00 ,  H01L27/32 ,  G09G3/3258

Abstract: An organic light emitting diode display includes a driving transistor and a compensation transistor. The driving transistor includes a fist gate electrode disposed on a substrate, a polycrystalline semiconductor layer disposed on the first gate electrode of the driving transistor and including a first electrode, a second electrode, and a channel, and a second gate electrode disposed on the polycrystalline semiconductor layer of the driving transistor. The compensation transistor includes a polycrystalline semiconductor layer including a first electrode, a second electrode, and a channel, and a gate electrode disposed on the polycrystalline semiconductor layer of the compensation transistor.

公开(公告)号：US20210150982A1

公开(公告)日：2021-05-20

申请号：US17157768

申请日：2021-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Young-In HWANG ,  Sung Ho KIM ,  Eung Taek KIM ,  Yong Ho YANG ,  Seong Min WANG ,  Jung-Mi CHOI

IPC: G09G3/3233 ,  G09G3/3291 ,  G09G3/3266 ,  H01L27/32 ,  G09G3/3258

Abstract: A pixel includes: an organic light emitting diode; a first transistor including a gate that is connected to a first node, wherein the first transistor is connected between a second node and a third node; a second transistor including a gate that is connected to a corresponding scan line, wherein the second transistor is connected between a data line and the second node; a storage capacitor connected between the first node and a first voltage; a third transistor including a gate that is connected to the corresponding scan line, the third transistor is connected between the first node and the third node; and a fourth transistor connected between a first end of the first transistor and a second voltage.

公开(公告)号：US20220283454A1

公开(公告)日：2022-09-08

申请号：US17750509

申请日：2022-05-23

Applicant: Samsung Display Co., Ltd.

Inventor： Kang Bin YI ,  Dong Rak KO ,  Sung Ho KIM ,  Eun Ji SEO ,  Sung Hun SON ,  Hee Kyun SHIN ,  Seok Lyul YOON ,  Jeong Seok LEE ,  Sung Wook JUNG ,  Hwan Kyeong JEONG

IPC: G02F1/1333 ,  B24B7/24

Abstract: A display device includes first and second substrates each including a short side and a long side, ground parts located on at least one of the short and long sides of each of the first and second substrates and including at least one first ground surfaces, which are perpendicular to opposing surfaces of the first and second substrates, and at least one second ground surfaces, which are provided at at least one edge of the second substrate to define an obtuse angle with reference to the first ground surfaces, and unevenness disposed on the first ground surfaces along a first direction, where the unevenness defines an acute angle with reference to a normal line to the opposing surfaces.

公开(公告)号：US20210090494A1

公开(公告)日：2021-03-25

申请号：US16906688

申请日：2020-06-19

Applicant: Samsung Display Co., Ltd.

Inventor： Young In HWANG ,  Sung Ho KIM ,  Eung Taek KIM ,  Joo Hyeon JO ,  Jung Mi CHOI ,  Seong Baik CHU

IPC: G09G3/325 ,  G09G3/3266 ,  G09G3/3291

Abstract: A display device includes: a (k−1)-th scan line and a k-th scan line which are parallel to each other; a j-th data line which crosses the (k−1)-th scan line and the k-th scan line; and a subpixel connected to the (k−1)-th scan line, the k-th scan line, and the j-th data line, wherein the subpixel includes: a driving transistor configured to control a driving current flowing from a first electrode thereof to a second electrode thereof according to a data voltage applied to a first gate electrode thereof, the driving transistor having a second gate electrode connected to the (k−1)-th scan line; and a light emitting element configured to emit light according to the driving current.

公开(公告)号：US20240372045A1

公开(公告)日：2024-11-07

申请号：US18421690

申请日：2024-01-24

Applicant: Samsung Display Co., LTD.

Inventor： Kyeong Woo JANG ,  Se Wan SON ,  Sung Ho KIM ,  Min Woo WOO ,  Seung Hyun LEE ,  Wang Woo LEE ,  Ji Seon LEE ,  Sug Woo JUNG ,  Hye Ri CHO

IPC: H01L33/54 ,  H01L25/075

Abstract: A display device includes a substrate including a display area surrounded by a non-display area, a bank structure disposed on the substrate in the display area and including a plurality of openings, a plurality of light emitting elements disposed in the openings, a first dam disposed on the substrate in the non-display area and spaced apart from the bank structure, and a second dam spaced apart from the first dam in the non-display area, wherein the bank structure includes a first bank layer and a second bank layer disposed on the first bank layer, wherein the first dam includes a first sub-dam structure and a second sub-dam structure disposed on the first sub-dam structure, and the second bank layer includes tips protruding from sidewalls of the first bank layer, and the second sub-dam structure includes tips protruding from sidewalls of the first sub-dam structure.

公开(公告)号：US20230070775A1

公开(公告)日：2023-03-09

申请号：US17986018

申请日：2022-11-14

Applicant: Samsung Display Co., Ltd.

Inventor： Kang Bin YI ,  Dong Rak KO ,  Sung Ho KIM ,  Eun Ji SEO ,  Sung Hun SON ,  Hee Kyun SHIN ,  Seok Lyul YOON ,  Jeong Seok LEE ,  Sung Wook JUNG ,  Hwan Kyeong JEONG

IPC: G02F1/1333 ,  B24B7/24

Abstract: A display device includes first and second substrates each including a short side and a long side, ground parts located on at least one of the short and long sides of each of the first and second substrates and including at least one first ground surfaces, which are perpendicular to opposing surfaces of the first and second substrates, and at least one second ground surfaces, which are provided at at least one edge of the second substrate to define an obtuse angle with reference to the first ground surfaces, and unevenness disposed on the first ground surfaces along a first direction, where the unevenness defines an acute angle with reference to a normal line to the opposing surfaces.

公开(公告)号：US20210265579A1

公开(公告)日：2021-08-26

申请号：US17142818

申请日：2021-01-06

Applicant: Samsung Display Co., LTD.

Inventor： Wang Woo LEE ,  Sung Ho KIM ,  Hyeon Sik KIM ,  Joon Hyoung PARK ,  Seok Je SEONG ,  Jin Sung AN ,  Jin Seok OH ,  Min Woo WOO ,  Ji Seon LEE ,  Pil Suk LEE ,  Yun Sik JOO

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/56

Abstract: A display device includes a supporting substrate including a polymeric material, base substrate disposed on an upper surface of the supporting substrate, a pixel array disposed in a display area of the base substrate, a transfer wiring disposed in a bending area of the base substrate and electrically connected to the pixel array, and an organic filling portion disposed under the transfer wiring in the bending area. The base substrate includes an organic film including a polymeric material, and an inorganic barrier film overlapping the organic film and extending outwardly from an edge of the organic film. The organic filling portion contacts the organic film of the base substrate.

公开(公告)号：US20200166787A1

公开(公告)日：2020-05-28

申请号：US16775002

申请日：2020-01-28

Applicant: Samsung Display Co., Ltd.

Inventor： Kang Bin YI ,  Dong Rak KO ,  Sung Ho KIM ,  Eun Ji SEO ,  Sung Hun SON ,  Hee Kyun SHIN ,  Seok Lyul YOON ,  Jeong Seok LEE ,  Sung Wook JUNG ,  Hwan Kyeong JEONG

IPC: G02F1/1333 ,  B24B7/24

Abstract: A display device includes first and second substrates each including a short side and a long side, ground parts located on at least one of the short and long sides of each of the first and second substrates and including at least one first ground surfaces, which are perpendicular to opposing surfaces of the first and second substrates, and at least one second ground surfaces, which are provided at at least one edge of the second substrate to define an obtuse angle with reference to the first ground surfaces, and unevenness disposed on the first ground surfaces along a first direction, where the unevenness defines an acute angle with reference to a normal line to the opposing surfaces.

公开(公告)号：US20240363076A1

公开(公告)日：2024-10-31

申请号：US18770074

申请日：2024-07-11

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min WANG ,  Yong Ho YANG ,  Sung Ho KIM ,  Young-In HWANG

IPC: G09G3/3258 ,  H10K59/121 ,  H10K59/126 ,  H10K59/131 ,  H10K77/10 ,  H10K102/00

CPC classification number: G09G3/3258 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/126 ,  H10K59/131 ,  H10K77/111 ,  G09G2300/0809 ,  G09G2320/0219 ,  H10K2102/311

Abstract: An organic light emitting diode display includes a first transistor disposed on a substrate and including a gate electrode, an input electrode, and an output electrode, a second transistor electrically connected to a scan line, a data line, and the input electrode of the first transistor, a third transistor including a gate electrode, a first electrode electrically connected to the output electrode of the first transistor, and a second electrode electrically connected to the gate electrode of the first transistor, and an overlapping layer that overlaps the gate electrode of the third transistor in a plan view. The overlapping layer is disposed between the substrate and a semiconductor layer of the third transistor.

公开(公告)号：US20240179978A1

公开(公告)日：2024-05-30

申请号：US18437088

申请日：2024-02-08

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Sung AN ,  Sung Ho KIM ,  Yong Jae KIM ,  Yun Hwan PARK ,  Yoon Jee SHIN ,  Sug Woo JUNG ,  Hyun Wook CHOI

IPC: H10K59/131 ,  G09G3/3233 ,  H10K59/88

CPC classification number: H10K59/131 ,  G09G3/3233 ,  H10K59/88 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/02

Abstract: A display device comprises a substrate; a circuit array layer comprising pixel drivers, data lines, first dummy lines, and second dummy lines; and a light emitting array layer. The display area comprises middle, first side, and second side regions. The data lines comprise first, second, and third data lines disposed in the middle, first side, and second side regions, respectively. The first dummy lines comprise a first data detour line disposed in the first side region and adjacent to a part of the second data line, and auxiliary lines. The second dummy lines comprise a second data detour line configured to connect the first data detour line to the third data line, and additional lines. The auxiliary lines comprise a bias auxiliary line to which a bias power is applied; and a second power auxiliary line to which a second power is applied.