公开(公告)号：US20220013743A1

公开(公告)日：2022-01-13

申请号：US17146845

申请日：2021-01-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jin-Suk SEO ,  Eung Taek KIM ,  Tae Sik KIM ,  Hee Yeon KIM ,  Jong Hyun YUN ,  Na Lae LEE ,  Jin-Suk LEE ,  Joo Hyeon JO

IPC: H01L51/50 ,  H01L51/00

Abstract: A display device includes: a substrate; a transistor positioned on the substrate; and a light-emitting device electrically connected to the transistor, wherein the substrate includes a first layer, a second layer positioned between the first layer and the transistor, and a third layer positioned between the second layer and the transistor, the first layer and the third layer include organic materials, and the organic material included by the first layer and the organic material included by the third layer have different half-lives for a corona discharge.

公开(公告)号：US20210257426A1

公开(公告)日：2021-08-19

申请号：US17160562

申请日：2021-01-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Tetsuhiro TANAKA ,  Yeong-Gyu KIM ,  Tae Sik KIM ,  Hee Yeon KIM ,  Ki Seong SEO ,  Seung Hyun LEE ,  Kyeong Woo JANG ,  Sug Woo JUNG

IPC: H01L27/32 ,  H01L29/786

Abstract: A display device includes a first thin film transistor disposed on a substrate. A first insulating interlayer covers lire first thin film transistor. An active pattern is disposed on the first insulating interlayer. The active pattern includes indium-gallium-zinc oxide (IGZO) having a thickness in a range of about 150 Å to about 400 Å. A gate insulation layer covers the active pattern A gate pattern is disposed on the gate insulation layer. A second insulating interlayer covers the gate pattern.

公开(公告)号：US20240021770A1

公开(公告)日：2024-01-18

申请号：US18336200

申请日：2023-06-16

Applicant: Samsung Display Co., LTD.

Inventor： Hwang Sup SHIN ,  Suk Hoon KU ,  Eung Taek KIM ,  Hee Yeon KIM ,  Na Lae LEE ,  Joo Hyeon JO ,  Jung-Mi CHOI ,  HONGJUN CHOI

IPC: H01L33/62 ,  H01L25/16 ,  H01L33/02 ,  H01L33/00

CPC classification number: H01L33/62 ,  H01L25/167 ,  H01L33/025 ,  H01L33/0095

Abstract: An embodiment of the invention provides a display device including: a substrate; a first transistor comprising a first semiconductor layer and a second transistor comprising a second semiconductor layer, the first and second semiconductor layers positioned on the substrate; a light emitting diode connected to the first transistor, wherein: the first transistor is a driving transistor; the second transistor is a switching transistor; a first concentration of fluorine included in the first semiconductor layer is higher than a second concentration of fluorine in the second semiconductor layer; and a first difference between the first and second concentrations substantially at or near a first interface of the first and second semiconductor layers is larger than a second difference between the first and second concentrations at a second interface of the first and second semiconductor layers, the second interface further from the substrate than the first interface.

公开(公告)号：US20220140033A1

公开(公告)日：2022-05-05

申请号：US17398742

申请日：2021-08-10

Applicant: Samsung Display Co., Ltd.

Inventor： Eung Taek KIM ,  Kohei EBISUNO ,  Suk Hoon KU ,  Jin Suk LEE ,  Jung Mi CHOI ,  Young In HWANG ,  Tae Sik KIM ,  Jin Suk SEO ,  Hwang Sup SHIN ,  Taek Geun LEE ,  Joo Hyeon JO ,  Hong Jun CHOI ,  Hee Yeon KIM ,  Na Lae LEE

IPC: H01L27/32 ,  H01L29/792

Abstract: A display device is provided. The display device includes a first substrate, a first charge trap layer disposed on the first substrate and including silicon nitride, a semiconductor layer disposed on the first charge trap layer and including a first active layer of a first transistor and a second active layer of a second transistor, and an organic light emitting element electrically connected to the first transistor, wherein a ratio of a content of a Si element to a content of an N element in the first charge trap layer is in a range of 1.6 to 2.5.

公开(公告)号：US20220059031A1

公开(公告)日：2022-02-24

申请号：US17397878

申请日：2021-08-09

Applicant: Samsung Display Co., Ltd.

Inventor： Eung Taek KIM ,  Hee Yeon KIM ,  Hwang Sup SHIN ,  Na Lae LEE ,  Jin Suk LEE ,  Taek Geun LEE ,  Joo Hyeon JO ,  Jung Mi CHOI ,  Hong Jun CHOI ,  Young In HWANG

IPC: G09G3/3233 ,  H01L27/32

Abstract: A display device includes a base substrate including a first substrate and a second substrate sequentially laminated, a lower semiconductor layer disposed on at least one of the first substrate and the second substrate, a buffer layer disposed on the base substrate, an active semiconductor layer disposed on the buffer layer and including a first active layer of a first transistor and a second active layer of a second transistor, a first insulating layer disposed on the active semiconductor layer, and a first conductive layer disposed on the first insulating layer and including a first gate electrode of the first transistor and a second gate electrode of the second transistor, wherein the lower semiconductor layer overlaps the first active layer, and does not overlap the second active layer.

公开(公告)号：US20160204356A1

公开(公告)日：2016-07-14

申请号：US14728141

申请日：2015-06-02

Applicant: Samsung Display Co. Ltd.

Inventor： Seung Gak YANG ,  Hee Yeon KIM

IPC: H01L51/00 ,  H01L51/52 ,  H01L51/50

CPC classification number: H01L51/0072 ,  H01L51/0054 ,  H01L51/0067 ,  H01L51/0081 ,  H01L51/0085 ,  H01L51/5016 ,  H01L2251/5384

Abstract: An organic light emitting diode comprises a first electrode; a second electrode; and an organic layer comprising a first hole-transporting host, a second electron-transporting host, and a phosphorescent guest, and arranged between the first electrode and the second electrode, wherein the first hole-transporting host comprising at least one selected from the group consisting of compounds expressed by chemical formulas 1 and 2 below, wherein in the chemical formulas 1 and 2, A, L, and R1 to R20 are defined the same as in the specification.

Abstract translation: 有机发光二极管包括第一电极; 第二电极; 以及包含第一空穴传输性主体，第二电子传输性主体和磷光客体的有机层，并配置在所述第一电极与所述第二电极之间，其中，所述第一空穴传输性主体包含选自所述第一空穴传输性基团， 由以下化学式1和2表示的化合物组成，其中在化学式1和2中，A，L和R 1至R 20定义与说明书中相同。