公开(公告)号：US20210036086A1

公开(公告)日：2021-02-04

申请号：US16880792

申请日：2020-05-21

Applicant: Samsung Display Co., Ltd.

Inventor： Sangwoo SOHN ,  Myounghwa KIM ,  TaeSang KIM ,  Hyungjun KIM ,  Yeon Keon MOON ,  Joon Seok PARK ,  Sangwon SHIN ,  Jun Hyung LIM ,  Hyelim CHOI

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52 ,  H01L29/786

Abstract: A display panel includes a base layer, a first thin film transistor on the base layer, a second thin film transistor electrically coupled to the first thin film transistor, and a light emitting element electrically coupled to the second thin film transistor. The first thin film transistor includes a first semiconductor pattern on the base layer, a first barrier pattern on the first semiconductor pattern and including a gallium (Ga) oxide and a zinc (Zn) oxide, and a first control electrode on the first barrier pattern and overlapping the first semiconductor pattern. Accordingly, a signal transmission speed of the display panel may be improved, and electrical characteristics and reliability of the thin film transistor included in the display panel may be improved.

公开(公告)号：US20210020110A1

公开(公告)日：2021-01-21

申请号：US16846195

申请日：2020-04-10

Applicant: Samsung Display Co., Ltd.

Inventor： Joon Seok PARK ,  So Young KOO ,  Myoung Hwa KIM ,  Eok Su KIM ,  Tae Sang KIM ,  Hyung Jun KIM ,  Yeon Keon MOON ,  Geun Chul PARK ,  Jun Hyung LIM ,  Kyung Jin JEON ,  Hye Lim CHOI

IPC: G09G3/3266 ,  G09G3/3233 ,  G09G3/3291 ,  H01L27/32 ,  H01L29/786 ,  H01L29/49

Abstract: A display device, includes: a pixel connected to a scan line and a data line crossing the scan line, wherein the pixel includes a light emitting element, a driving transistor configured to control a driving current supplied to the light emitting element according to a data voltage received from the data line, and a first switching transistor configured to apply the data voltage of the data line to the driving transistor according to a scan signal applied to the scan line; wherein the driving transistor includes a first active layer including an oxide semiconductor and a first oxide layer on the first active layer and including an oxide semiconductor; and wherein the first switching transistor includes a second active layer on the first active layer and including the same oxide semiconductor as the first oxide layer.

公开(公告)号：US20190252478A1

公开(公告)日：2019-08-15

申请号：US16254297

申请日：2019-01-22

Applicant: Samsung Display Co., Ltd.

Inventor： Kyoung Seok SON ,  Jaybum KIM ,  Yeon Keon MOON ,  Jun Hyung LIM

IPC: H01L27/32

CPC classification number: H01L27/3262 ,  H01L27/1251 ,  H01L27/3246 ,  H01L27/3248 ,  H01L27/3258

Abstract: An organic light emitting display device includes a substrate, a first semiconductor element, a second semiconductor element, an insulation layer structure, and a light emitting structure. The substrate has a first region and a second region that is adjacent to the first region. The insulation layer structure is disposed between a second gate electrode and a second active layer of the second semiconductor element. The insulation layer structure includes a first insulation layer having a first etching rate, a second insulation layer disposed on the first insulation layer and having a second etching rate that is greater than the first etching rate, and a third insulation layer disposed on the second insulation layer and having a third etching rate that is less than the second etching rate in a same etching process. The light emitting structure is disposed on the insulation layer structure.

公开(公告)号：US20160300859A1

公开(公告)日：2016-10-13

申请号：US14856405

申请日：2015-09-16

Applicant: Samsung Display Co., Ltd.

Inventor： Yeon Keon MOON ,  Masataka KANO ,  So Young KOO ,  Myoung Hwa KIM ,  Jun Hyung LIM

IPC: H01L27/12 ,  H01L29/66 ,  H01L29/423 ,  H01L29/786

CPC classification number: H01L27/1225 ,  H01L27/0705 ,  H01L27/124 ,  H01L27/1251 ,  H01L27/127 ,  H01L29/42356 ,  H01L29/42384 ,  H01L29/66969 ,  H01L29/78603 ,  H01L29/78648 ,  H01L29/7869

Abstract: A thin film transistor display panel including: a first insulating substrate; a first semiconductor disposed between the first insulating substrate and a first gate insulating layer; a gate electrode disposed on the first gate insulating layer, the gate electrode overlapping the first semiconductor; a second gate insulating layer disposed on the gate electrode; a second semiconductor disposed on the second gate insulating layer, the second semiconductor overlapping the gate electrode; an interlayer insulating layer disposed on the second semiconductor; and a source electrode and a drain electrode disposed on the interlayer insulating layer spaced apart from each other, the source electrode and the drain electrode connected to the first semiconductor and the second semiconductor.

Abstract translation: 一种薄膜晶体管显示面板，包括：第一绝缘基板; 布置在第一绝缘基板和第一栅极绝缘层之间的第一半导体; 设置在所述第一栅极绝缘层上的栅电极，所述栅电极与所述第一半导体重叠; 设置在所述栅电极上的第二栅极绝缘层; 布置在第二栅绝缘层上的第二半导体，第二半导体与栅电极重叠; 设置在所述第二半导体上的层间绝缘层; 以及设置在层间绝缘层彼此间隔开的源电极和漏电极，源电极和漏电极连接到第一半导体和第二半导体。

公开(公告)号：US20220278135A1

公开(公告)日：2022-09-01

申请号：US17745427

申请日：2022-05-16

Applicant: Samsung Display Co., Ltd.

Inventor： Kyoung Seok SON ,  Myounghwa KIM ,  Jaybum KIM ,  Yeon Keon MOON ,  Masataka KANO

IPC: H01L27/12 ,  H01L27/32

Abstract: A display apparatus includes a base substrate, a polysilicon active pattern disposed on the base substrate, including polycrystalline silicon, including a source region and a drain region each doped with impurities and a channel region between the source region and the drain region, and including indium, a first gate electrode overlapping the channel region, and a source electrode electrically connected to the source region and a drain electrode electrically connected to the drain region.

公开(公告)号：US20210327983A1

公开(公告)日：2021-10-21

申请号：US16952762

申请日：2020-11-19

Applicant: Samsung Display Co., LTD.

Inventor： Myoung Hwa KIM ,  Joon Seok PARK ,  Tae Sang KIM ,  Yeon Keon MOON ,  Geun Chul PARK ,  Sang Woo SOHN ,  Jun Hyung LIM ,  Hye Lim CHOI

IPC: H01L27/32

Abstract: A display device is provided. The display device includes a substrate, a first active layer of a first transistor and a second active layer of a second transistor which are disposed on the substrate, a first gate insulating layer disposed on the first active layer, an oxide layer disposed on the first gate insulating layer and including an oxide semiconductor, a first gate electrode disposed on the oxide layer, a second gate insulating layer disposed on the first gate electrode and the second active layer, and a second gate electrode which overlaps the second active layer in a thickness direction of the substrate and is disposed on the second gate insulating layer, where the oxide layer overlaps the first active layer and does not overlap the second active layer in the thickness direction.

公开(公告)号：US20210020872A1

公开(公告)日：2021-01-21

申请号：US16837540

申请日：2020-04-01

Applicant: Samsung Display Co., Ltd.

Inventor： Joon Seok PARK ,  Yeon Keon MOON ,  Myoung Hwa KIM ,  Tae Sang KIM ,  Hyung Jun KIM ,  Geun Chul PARK ,  Sang Woo SOHN ,  Jun Hyung LIM ,  Kyung Jin JEON ,  Hye Lim CHOI

IPC: H01L51/56 ,  G09G3/3266 ,  G09G3/325 ,  H01L29/786 ,  H01L29/49 ,  G09G3/3291

Abstract: A display device includes pixels connected to scan lines and data lines intersecting the scan lines, wherein each of the pixels includes a light-emitting element, a driving transistor to control a driving current supplied to the light-emitting element according to a data voltage applied from the data lines, and a switching transistor to apply the data voltage of the data line to the driving transistor according to a scan signal applied from the scan lines. The driving transistor includes a first active layer having an oxide semiconductor and a first gate electrode below the first active layer. The switching transistor includes a second active layer having a same oxide semiconductor as the oxide semiconductor of the first active layer and a second gate electrode below the second active layer. At least one of the driving transistor and the switching transistor includes an oxide layer above each of the active layers.

公开(公告)号：US20200006387A1

公开(公告)日：2020-01-02

申请号：US16453976

申请日：2019-06-26

Applicant: Samsung Display Co., Ltd.

Inventor： Yeon Keon MOON ,  Kano MASATAKA ,  Myoung Hwa KIM ,  Jun Hyung LIM

IPC: H01L27/12 ,  H01L29/786 ,  G09G3/36

Abstract: A display device in which a display area and a non-display area are defined, the display device including a wiring substrate, the wiring substrate including: a base substrate; a first thin film transistor disposed on the base substrate, located in the non-display area, and including a first gate pattern, a first semiconductor pattern disposed on the first gate pattern, a first source pattern disposed on the first semiconductor pattern, and a first drain pattern disposed on the first semiconductor pattern and spaced apart from the first source pattern; and a second thin film transistor disposed on the base substrate and located in the display area. A first channel width of the first thin film transistor is greater than a first overlap length of the first gate pattern, the first semiconductor pattern, and the first drain pattern.

公开(公告)号：US20160155753A1

公开(公告)日：2016-06-02

申请号：US14664589

申请日：2015-03-20

Applicant: Samsung Display Co. Ltd.

Inventor： MASATAKA KANO ,  Yeon Keon MOON ,  Jung Hun NOH ,  Jun Hyung LIM ,  So Young KOO ,  Myoung Hwa KIM

IPC: H01L27/12 ,  H01L29/786

CPC classification number: H01L27/124 ,  H01L27/1222 ,  H01L27/1225

Abstract: The display device includes a substrate, a first gate line extending in a first direction on the substrate, a gate insulating layer formed on the substrate to cover the first gate line, a first semiconductor pattern formed on the gate insulating layer to overlap the first gate line, and including a first region and a second region, a first data line extending in a second direction that is crossing the first gate line on the gate insulating layer, and including a source electrode region that overlaps the first region of the first semiconductor pattern, a drain electrode spaced apart from the source electrode region and formed on the second region of the first semiconductor pattern, and a pixel electrode formed on the drain electrode and electrically connected to the drain electrode. The first semiconductor pattern is arranged in a third direction between the first direction and the second direction.

Abstract translation: 显示装置包括基板，在基板上沿第一方向延伸的第一栅极线，形成在基板上以覆盖第一栅极线的栅极绝缘层，形成在栅极绝缘层上以与第一栅极重叠的第一半导体图案 并且包括第一区域和第二区域，在与栅极绝缘层上的第一栅极线交叉的第二方向上延伸的第一数据线，并且包括与第一半导体图案的第一区域重叠的源极区域 与源电极区间隔开并形成在第一半导体图案的第二区上的漏电极，以及形成在漏电极上并电连接到漏电极的像素电极。 第一半导体图案在第一方向和第二方向之间沿第三方向排列。

公开(公告)号：US20250089454A1

公开(公告)日：2025-03-13

申请号：US18629271

申请日：2024-04-08

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Jun JEONG ,  Kwang Soo KO ,  Myeong Ho KIM ,  Yeon Keon MOON ,  Hyun Mo LEE ,  Kun Hee JO

IPC: H10K59/121 ,  H10K59/12

Abstract: A display device includes a substrate including a display area and a driving circuit area, a first transistor in the display area, and including a first active layer on the substrate and a first gate electrode on the first active layer, a first gate insulating layer between the first active layer and the first gate electrode, and entirely covering the first active layer, a second transistor in the driving circuit area, and including a second active layer on the substrate and a second gate electrode on the second active layer, a second gate insulating layer between the second active layer and the second gate electrode, covering a part of the second active layer overlapping the second gate electrode, and exposing another part of the second active layer, and a first oxide semiconductor layer between the first gate insulating layer and the first gate electrode.