公开(公告)号：US11469283B2

公开(公告)日：2022-10-11

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 ,  H01L27/12 ,  H01L29/423

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：US12080826B2

公开(公告)日：2024-09-03

申请号：US17171451

申请日：2021-02-09

Applicant: Samsung Display Co., LTD.

Inventor： Joon Seok Park ,  Myoung Hwa Kim ,  Tae Sang Kim ,  Yeon Keon Moon ,  Geun Chul Park ,  Jun Hyung Lim ,  Hye Lim Choi

IPC: H01L33/12 ,  H01L27/15 ,  H01L33/00 ,  H01L33/56 ,  H01L33/62

CPC classification number: H01L33/12 ,  H01L27/156 ,  H01L33/0095 ,  H01L33/56 ,  H01L33/62

Abstract: A display device may include a first gate electrode on a substrate, a buffer layer on the first gate electrode, a first active pattern on the buffer layer, overlapping the first gate electrode, and including an oxide semiconductor, a source pattern and a drain pattern respectively on ends of the first active pattern, an insulation layer overlapping the source pattern and the drain pattern on the buffer layer, an oxygen supply pattern on the insulation layer, overlapping the first active pattern, and supplying oxygen to the first active pattern, a second active pattern on the insulation layer and spaced apart from the oxygen supply pattern, the second active pattern including a channel region, and a source region and a drain region, an insulation pattern on the channel region of the second active pattern, and a second gate electrode on the insulation pattern.

公开(公告)号：US11581517B2

公开(公告)日：2023-02-14

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 ,  G09G3/3291 ,  H01L29/786 ,  H01L29/49 ,  G09G3/325

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：US11335273B2

公开(公告)日：2022-05-17

申请号：US16849575

申请日：2020-04-15

Applicant: Samsung Display Co., LTD.

Inventor： Hye Lim Choi ,  Yeon Keon Moon ,  Joon Seok Park ,  Myoung Hwa Kim ,  Tae Sang Kim ,  Hyung Jun Kim ,  Geun Chui Park ,  Kyung Jin Jeon

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

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 and a first transistor configured to control a driving current supplied to the light emitting element according to a data voltage applied from a respective data line of the data lines, the first transistor includes a first active layer including an oxide semiconductor containing indium (In), and a content of the indium in the oxide semiconductor of the first active layer is 70 at % or more.

公开(公告)号：US11798493B2

公开(公告)日：2023-10-24

申请号：US17393298

申请日：2021-08-03

Applicant: Samsung Display Co., Ltd.

Inventor： Myoung Hwa Kim ,  Masataka Kano ,  Yeon Keon Moon ,  Joon Seok Park ,  Jun Hyung Lim ,  Hye Lim Choi

IPC: G09G3/30 ,  G09G3/36 ,  G06F3/038 ,  G09G5/00 ,  G09G3/3291 ,  G09G3/3266 ,  H10K50/81 ,  H10K71/00 ,  H10K102/10

CPC classification number: G09G3/3291 ,  G09G3/3266 ,  H10K50/81 ,  H10K71/00 ,  H10K2102/103

Abstract: A display device including: a pixel connected to a scan line and a data line intersecting the scan line. The pixel includes a light emitting element and a driving transistor which controls a driving current supplied to the light emitting element according to a data voltage applied from the data line. The driving transistor includes a first active layer including an oxide semiconductor doped with a metal.

公开(公告)号：US11227875B2

公开(公告)日：2022-01-18

申请号：US16836651

申请日：2020-03-31

Applicant: Samsung Display Co., Ltd.

Inventor： Myoung Hwa Kim ,  Joon Seok Park ,  So Young Koo ,  Tae Sang Kim ,  Yeon Keon Moon ,  Geun Chul Park ,  Jun Hyung Lim ,  Kyung Jin Jeon

IPC: H01L27/00 ,  H01L29/00 ,  H01L27/12 ,  H01L29/24 ,  H01L29/786 ,  H01L29/66 ,  G09G3/32 ,  H01L27/32

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 applied 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 that is applied to the scan line. The driving transistor includes a first active layer including an oxide semiconductor, and a first oxide layer disposed on the first active layer and including an oxide semiconductor. The first switching transistor includes a second active layer including an oxide semiconductor, and the first oxide layer is not disposed on the second active layer.

公开(公告)号：US11087696B2

公开(公告)日：2021-08-10

申请号：US16739012

申请日：2020-01-09

Applicant: Samsung Display Co., Ltd.

Inventor： Myoung Hwa Kim ,  Masataka Kano ,  Yeon Keon Moon ,  Joon Seok Park ,  Jun Hyung Lim ,  Hye Lim Choi

IPC: G09G3/30 ,  G09G3/36 ,  G06F3/038 ,  G09G5/00 ,  G09G3/3291 ,  G09G3/3266 ,  H01L51/56 ,  H01L51/52

Abstract: A display device including: a pixel connected to a scan line and a data line intersecting the scan line. The pixel includes a light emitting element and a driving transistor which controls a driving current supplied to the light emitting element according to a data voltage applied from the data line. The driving transistor includes a first active layer including an oxide semiconductor doped with a metal.

公开(公告)号：US09543336B2

公开(公告)日：2017-01-10

申请号：US14963769

申请日：2015-12-09

Applicant: Samsung Display Co., Ltd.

Inventor： Masataka Kano ,  Ji Hun Lim ,  Yeon Keon Moon ,  Jun Hyung Lim ,  So Young Koo ,  Myoung Hwa Kim

IPC: H01L27/14 ,  H01L29/04 ,  H01L29/15 ,  H01L31/036 ,  H01L27/12 ,  H01L29/417 ,  H01L29/423 ,  H01L29/786 ,  H01L29/66 ,  H01L29/788

CPC classification number: H01L27/1248 ,  H01L27/124 ,  H01L27/1259 ,  H01L29/41733 ,  H01L29/42384 ,  H01L29/4908 ,  H01L29/66742 ,  H01L29/66969 ,  H01L29/78606 ,  H01L29/78648 ,  H01L29/7869 ,  H01L29/788

Abstract: A thin-film transistor array panel includes a substrate, a first gate electrode disposed on the substrate, a first self-assembled monolayer disposed on the first gate electrode, a gate insulating layer disposed on the first self-assembled monolayer, a semiconductor disposed on the gate insulating layer, a drain electrode overlapping the semiconductor, the drain electrode being separated from and facing a source electrode with respect to the semiconductor, a first interlayer insulating layer disposed on the source electrode and the drain electrode, a second self-assembled monolayer disposed on the first interlayer insulating layer, a second gate electrode disposed on the second self-assembled monolayer, a second interlayer insulating layer disposed on the second gate electrode, and a pixel electrode disposed on the second interlayer insulating layer and connected to the drain electrode.

Abstract translation: 薄膜晶体管阵列面板包括基板，设置在基板上的第一栅极电极，设置在第一栅电极上的第一自组装单层，设置在第一自组装单层上的栅极绝缘层，设置在第一自组装单层上的半导体 所述栅极绝缘层，与所述半导体重叠的漏电极，所述漏电极相对于所述半导体分离并面对源电极，设置在所述源电极和所述漏电极上的第一层间绝缘层，第二自组装单层 设置在第一层间绝缘层上的第二栅电极，设置在第二自组装单层上的第二栅电极，设置在第二栅电极上的第二层间绝缘层，以及设置在第二层间绝缘层上并连接到漏极的像素电极 。

公开(公告)号：US11664386B2

公开(公告)日：2023-05-30

申请号：US16906948

申请日：2020-06-19

Applicant: Samsung Display Co., Ltd.

Inventor： Yeon Keon Moon ,  Tae Sang Kim ,  Joon Seok Park ,  Myoung Hwa Kim ,  Hyung Jun Kim ,  Sang Woo Sohn ,  Hye Lim Choi

IPC: H01L27/14 ,  H01L27/12

CPC classification number: H01L27/1237 ,  H01L27/124 ,  H01L27/1225 ,  H01L27/1255 ,  H01L27/1259

Abstract: A display device includes: a substrate; a first active layer of a first transistor and a second active layer of a second transistor on the substrate; a first gate insulating layer on the first active layer; a first gate electrode on the first gate insulating layer; a second gate insulating layer on the second active layer; and a second gate electrode on the second gate insulating layer, wherein a hydrogen concentration of the first gate insulating layer is lower than a hydrogen concentration of the second gate insulating layer.

公开(公告)号：US11521552B2

公开(公告)日：2022-12-06

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: H01L29/78 ,  G09G3/3266 ,  G09G3/3233 ,  G09G3/3291 ,  H01L29/786 ,  H01L29/49 ,  H01L27/32

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.