公开(公告)号：US20230090058A1

公开(公告)日：2023-03-23

申请号：US17836386

申请日：2022-06-09

Applicant: Samsung Display Co., Ltd.

Inventor： Myeong Ho KIM ,  Jay Bum KIM ,  Kyoung Seok SON ,  Seung Jun LEE ,  Seung Hun LEE ,  Jun Hyung LIM

IPC: H01L27/32

Abstract: Provided is display device comprising a substrate; a first semiconductor layer disposed on the substrate and having a plurality of transistors; a second semiconductor layer disposed on the first semiconductor layer and having a plurality of transistors; a first data conductive layer disposed on the second semiconductor layer; a first metal layer disposed on the first data conductive layer; and a second metal layer disposed on the first metal layer, wherein the first metal layer includes a first storage electrode and a first input electrode, the second metal layer includes a second storage electrode and a second input electrode, the first storage electrode and the second storage electrode configure a storage capacitor, and the first input electrode and the second input electrode configure an input capacitor.

公开(公告)号：US20220262883A1

公开(公告)日：2022-08-18

申请号：US17735617

申请日：2022-05-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jay Bum KIM ,  Myeong Ho KIM ,  Kyoung Seok SON ,  Seung Jun LEE ,  Seung Hun LEE ,  Jun Hyung LIM

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device includes a substrate, a first semiconductor pattern, a first gate insulating film covering the first semiconductor pattern, a first conductive layer and a second semiconductor pattern are on the first gate insulating film, a second gate insulating film on the second semiconductor pattern, a third gate insulating film covering the first gate insulating film and the second gate insulating film, a second conductive layer on the third gate insulating film, an interlayer insulating film covering the second conductive layer, and a third conductive layer on the interlayer insulating film, wherein the first and second semiconductor patterns respectively form semiconductor layers of the first and second transistors, wherein the first conductive layer includes a gate electrode of the first transistor and a first electrode of the capacitor, and wherein the second conductive layer includes a gate electrode of the second transistor and a second electrode of the capacitor.

公开(公告)号：US20220013549A1

公开(公告)日：2022-01-13

申请号：US17367198

申请日：2021-07-02

Applicant: Samsung Display Co., Ltd. ,  Industry-University Cooperation Foundation Hanyang University ERICA Campus

Inventor： Joon Seok PARK ,  Sae Roon Ter OH ,  Jun Hyung LIM ,  Su Hyun KIM ,  Young Joon CHOI

IPC: H01L27/12

Abstract: A display device includes: a substrate; a light blocking layer of a driving transistor and an active layer of a switching transistor on the substrate; a buffer layer on the light blocking layer, the buffer layer overlapping the light blocking layer; an active layer of the driving transistor on the buffer layer; a first gate insulating layer on the active layer of the driving transistor and the active layer of the switching transistor; and a first gate electrode on the first gate insulating layer and overlapping the active layer of the driving transistor and a second gate electrode overlapping the active layer of the switching transistor, wherein the light blocking layer and the active layer of the switching transistor are on a same layer.

公开(公告)号：US20210249443A1

公开(公告)日：2021-08-12

申请号：US17109601

申请日：2020-12-02

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Jin JEON ,  So Young KOO ,  Eok Su KIM ,  Hyung Jun KIM ,  Joon Seok PARK ,  Jun Hyung LIM

IPC: H01L27/12

Abstract: A display device includes: a substrate; a first conductive layer on the substrate and comprising a first signal line; an insulating layer pattern on the first conductive layer; a semiconductor pattern on the insulating layer pattern; a gate insulating layer on the semiconductor pattern; and a second conductive layer comprising a gate electrode on the gate insulting layer and a first source/drain electrode and a second source/drain electrode, each on at least a part of the semiconductor pattern, wherein the insulating layer pattern and the semiconductor pattern have a same planar shape, the semiconductor pattern comprises a channel region overlapping the gate electrode, a first source/drain region on a first side of the channel region and a second source/drain region on a second side of the channel region, and the first source/drain electrode electrically connects the first source/drain region and the first signal line.

公开(公告)号：US20210225878A1

公开(公告)日：2021-07-22

申请号：US17085976

申请日：2020-10-30

Applicant: Samsung Display Co., Ltd.

Inventor： So Young KOO ,  Jay Bum KIM ,  Kyung Jin JEON ,  Eok Su KIM ,  Jun Hyung LIM

IPC: H01L27/12 ,  H01L33/62

Abstract: A display device according to an embodiment of the present disclosure includes: a substrate; a first conductive layer on the substrate; a first insulating layer on the first conductive layer; an active pattern on the first insulating layer and including a semiconductor material; a second insulating layer on the active pattern; and a second conductive layer on the second insulating layer, wherein the first insulating layer has a first opening exposing the first conductive layer, the second insulating layer has a second opening exposing the first conductive layer, a breadth of the first opening is different than a breadth of the second opening, and a side surface of the first opening and a side surface of the second opening are formed to a top surface of the first conductive layer.

公开(公告)号：US20210193753A1

公开(公告)日：2021-06-24

申请号：US17115942

申请日：2020-12-09

Applicant: Samsung Display Co., LTD. ,  Industry-Academic Cooperation Foundation, Yonsei University

Inventor： Tae Sang KIM ,  Hyun Jae KIM ,  Hyuk Joon YOO ,  Jun Hyung LIM

IPC: H01L27/32 ,  H01L31/032 ,  H01L31/0368 ,  H01L31/0376 ,  H01L31/113 ,  H01L51/52 ,  G06F3/041

Abstract: A photo transistor and a display device employing the photo transistor are provided. The photo transistor includes a gate electrode disposed on a substrate, a gate insulating layer that electrically insulates the gate electrode, a first active layer overlapping the gate electrode and including metal oxide, wherein the gate insulating layer is disposed between the gate electrode and the active layer, a second active layer disposed on the first active layer and including selenium, and a source electrode and a drain electrode respectively electrically connected to the second active layer.

公开(公告)号：US20210098561A1

公开(公告)日：2021-04-01

申请号：US16885598

申请日：2020-05-28

Applicant: Samsung Display Co., Ltd.

Inventor： Joon Seok PARK ,  Myounghwa KIM ,  Tae Sang KIM ,  Hyungjun KIM ,  Yeon Keon MOON ,  Geunchul PARK ,  Sangwoo SOHN ,  Jun Hyung LIM ,  Kyung Jin JEON ,  Hye Lim CHOI

IPC: H01L27/32

Abstract: A display device includes a first pixel, a second pixel, a first data line connected to the first pixel, and a second data line connected to the second pixel. Each of the first pixel and the second pixel includes a transistor including a conductive layer, a semiconductor layer on the conductive layer, a gate electrode on the semiconductor layer, and a source/drain electrode connected to the semiconductor layer, a capacitor including a first capacitor electrode in a same layer as the gate electrode and a second capacitor electrode on the first capacitor electrode, and a light emitting device on the transistor and the capacitor. The first data line is in a same layer as the source/drain electrode, and the second data line is in a same layer as one of the conductive layer and the second capacitor electrode.

公开(公告)号：US20210066421A1

公开(公告)日：2021-03-04

申请号：US15930650

申请日：2020-05-13

Applicant: Samsung Display Co., Ltd.

Inventor： Kyoung Seok SON ,  Myeong Ho KIM ,  Jay Bum KIM ,  Seung Jun LEE ,  Seung Hun LEE ,  Jun Hyung LIM

IPC: H01L27/32 ,  H01L51/52 ,  H01L27/12 ,  H01L51/56

Abstract: A display device includes a substrate, a first semiconductor layer on the substrate, a first gate insulating film on the first semiconductor layer, a first conductive layer on the first gate insulating film and including a first gate electrode and a first electrode of a capacitor connected to the first gate electrode, a second semiconductor layer on the first gate insulating film and at a different layer from the first semiconductor layer, a second gate insulating film on the first conductive layer and the second semiconductor layer, a second conductive layer on the second gate insulating film and including a second gate electrode and a second electrode of the capacitor, a second interlayer insulating film on the second conductive layer, and a third conductive layer on the second interlayer insulating film and including a first source electrode, a first drain electrode, a second source electrode, and a second drain electrode.

公开(公告)号：US20210056898A1

公开(公告)日：2021-02-25

申请号：US16850775

申请日：2020-04-16

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: G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/32

Abstract: A display device includes a pixel including a light emitting element connected to a scan line and a data line; a driving transistor that 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 semiconductor layer, and a first gate electrode disposed on the first semiconductor layer. The display device includes a switching transistor that applies the data voltage to the driving transistor according to a scan signal applied to the scan line. The switching transistor includes a second semiconductor layer, and a second gate electrode disposed on the second semiconductor layer. The display device includes a light blocking layer and a first buffer layer disposed at a lower portion of the driving transistor. The light blocking layer and the first buffer layer do not overlap the switching transistor.

公开(公告)号：US20200265789A1

公开(公告)日：2020-08-20

申请号：US16782973

申请日：2020-02-05

Applicant: Samsung Display Co., Ltd. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)

Inventor： Joon Seok PARK ,  Jun Hyung LIM ,  Jin Seong PARK ,  Jiazhen SHENG ,  Tae Hyun HONG

IPC: G09G3/3291 ,  G09G3/3266 ,  H01L27/32 ,  H01L51/56

Abstract: A display device and a method of manufacturing the display device are provided. The display device comprises a pixel which is connected to a scan line and a data line intersecting the scan line, wherein the pixel comprises a light emitting element and a driving transistor controlling a driving current, which is supplied to the light emitting element, according to a data voltage received from the data line, wherein the driving transistor comprises a first active layer having an oxide semiconductor containing tin (Sn).