公开(公告)号：US12161030B2

公开(公告)日：2024-12-03

申请号：US17408534

申请日：2021-08-23

Applicant: Samsung Display Co., Ltd.

Inventor： Min Woo Woo ,  Sung Ho Kim ,  Seok Je Seong ,  Jin Sung An ,  Wang Woo Lee ,  Ji Seon Lee

IPC: H10K59/131 ,  H10K59/121 ,  H10K59/65

Abstract: An embodiment provides a light emitting display device, including a display panel including a display area, wherein the display area of the display panel includes: a transparent display area; an intermediate display area that is disposed at one side or both sides of the transparent display area along a first direction and includes a pixel circuit part for a transparent display area; and a normal display area, and wherein the transparent display area includes: a first anode; and a transmission transistor that transmits an emission current outputted from the pixel circuit part for the transparent display area to the first anode.

公开(公告)号：US12154505B2

公开(公告)日：2024-11-26

申请号：US18226355

申请日：2023-07-26

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 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291 ,  H10K59/131

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：US11937476B2

公开(公告)日：2024-03-19

申请号：US18143402

申请日：2023-05-04

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.

公开(公告)号：US11340483B2

公开(公告)日：2022-05-24

申请号：US17208372

申请日：2021-03-22

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 ,  G02F1/133

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：US11335260B2

公开(公告)日：2022-05-17

申请号：US17191782

申请日：2021-03-04

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 ,  H01L27/12 ,  H01L29/786

Abstract: An organic light emitting diode display includes a driving transistor and a compensation transistor. The driving transistor includes a first 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：US10955693B2

公开(公告)日：2021-03-23

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：US10885847B2

公开(公告)日：2021-01-05

申请号：US16269858

申请日：2019-02-07

Applicant: Samsung Display Co., Ltd.

Inventor： Seong Min Wang ,  Yong Ho Yang ,  Sung Ho Kim ,  Young-In Hwang

IPC: G09G3/32 ,  G09G3/3258 ,  G09G3/20 ,  H01L27/32 ,  H01L51/00

Abstract: An organic light emitting diode display includes a flexible substrate, a semiconductor layer on the flexible substrate, and an overlapping layer. The transistor includes a driving transistor, a second transistor to transmit a data voltage transmitted through the data line to an input electrode of the driving transistor, and a third transistor including a gate electrode connected to the scan line, a first electrode connected to an output electrode of the driving transistor, and a second electrode connected to a gate electrode of the driving transistor. The third transistor includes two transistors connected in series to each other and connected to each other at a third node, the third node is formed in the semiconductor layer, an additional capacitance portion is formed in the semiconductor layer in the vicinity of the third node, and the overlapping layer overlaps the third node and the capacitance portion of the semiconductor layer.

公开(公告)号：US10861385B2

公开(公告)日：2020-12-08

申请号：US15155165

申请日：2016-05-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Won Kim ,  Sung Ho Kim ,  Jong Moo Huh

IPC: G09G3/3233 ,  G09G3/3225 ,  H01L27/32 ,  H01L29/786 ,  H01L27/12

Abstract: A display device includes: a first pixel including a first organic light emitting diode and a first driving transistor for controlling a driving current flowing to the first organic light emitting diode; a second pixel including a second organic light emitting diode and a second driving transistor for controlling a driving current flowing to the second organic light emitting diode; and a third pixel including a third organic light emitting diode and a third driving transistor for controlling a driving current flowing to the third organic light emitting diode, wherein the first driving transistor, the second driving transistor, and the third driving transistor include a different number of unit transistors from one another, and the first pixel, the second pixel, and the third pixel have different colors from one another.

公开(公告)号：US10591759B2

公开(公告)日：2020-03-17

申请号：US15584975

申请日：2017-05-02

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：US10032849B2

公开(公告)日：2018-07-24

申请号：US15400387

申请日：2017-01-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sung Ho Kim ,  Jong Moo Huh

IPC: H01L29/08 ,  H01L21/00 ,  H01L27/32 ,  H01L51/56 ,  H01L27/12 ,  H01L33/32 ,  H01L51/50 ,  H01L51/05

Abstract: An organic light emitting diode display includes a substrate, a semiconductor, a gate electrode, a source electrode connected to a first portion of the semiconductor, a drain electrode connected to a second portion of the semiconductor, and a pixel electrode connected to the drain electrode. Each of the source electrode, the drain electrode, and the pixel electrode includes a barrier metal layer, a low resistance metal layer, a metal oxide layer, and a contact assistant layer disposed between the low resistance metal layer and the metal oxide layer. The source electrode, the drain electrode, and the pixel electrode each have a step shape.