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    Display device and method of manufacturing the same
    1.
    发明授权
    Display device and method of manufacturing the same 有权

    公开(公告)号：US12118161B2

    公开(公告)日：2024-10-15

    申请号：US18314295

    申请日：2023-05-09

    Applicant: Samsung Display Co., LTD.

    Inventor： Dong Hyun Kim

    IPC: G06F3/041 ,  G06F3/044 ,  H01B7/04

    CPC classification number: G06F3/04164 ,  G06F3/0412 ,  G06F3/0443 ,  G06F3/0446 ,  H01B7/04 ,  G06F2203/04102 ,  G06F2203/04111

    Abstract: A display device includes a first forward roll, a second forward roll, a third forward roll, a rotary shaft in a housing and spaced apart from the third forward roll, and a display panel engaging with the rotary shaft, the first forward roll, the second forward roll, and the third forward roll to be inserted into, or retracted from, the housing, the display panel includes a main display region, retracted from the housing through a first opening to display an image, a first sub-region, extending from the first forward roll to the second forward roll, a sub-display region, extending from the second forward roll to the third forward roll and overlapping a second opening in a plan view to display an image, and a second sub-region, extending from the third forward roll to the rotary shaft and wound on an outside of the rotary shaft.

    Display device
    2.
    发明授权
    Display device 有权

    公开(公告)号：US11217176B2

    公开(公告)日：2022-01-04

    申请号：US16998504

    申请日：2020-08-20

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Seung Chan Lee ,  Dong Hyun Kim ,  Hyeong Seok Kim ,  Young Wan Seo

    IPC: G09G3/3258 ,  H01L27/32 ,  G09G3/3266 ,  H04N5/225 ,  G06K9/00

    Abstract: A display device includes: a display panel including a first area and a second area, wherein the first area includes first sub-pixels, and the second area includes second sub-pixels; and a power supply unit that generates a first driving voltage and a second driving voltage greater than the first driving voltage to supply the first and second driving voltages to the display panel. The first sub-pixels receive the first driving voltage, and the second sub-pixels receive the first driving voltage or the second driving voltage.

    ORGANIC LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
    3.
    发明申请
    ORGANIC LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME 审中-公开

    公开(公告)号：US20190088896A1

    公开(公告)日：2019-03-21

    申请号：US15957667

    申请日：2018-04-19

    Applicant: Samsung Display Co., Ltd.

    Inventor： Sung Wook Kim ,  Sung-Soo Bae ,  Hye In Jeong ,  Dong Hyun Kim ,  Seul Ong Kim ,  Tsuyoshi Naijo ,  Hwan Hee Cho

    IPC: H01L51/50 ,  H01L27/32 ,  H01L51/56

    Abstract: An organic light emitting device includes: a first electrode; a second electrode that overlaps the first electrode; and an organic layer that is disposed between the first electrode and the second electrode, wherein the organic layer comprises a hole transport region that includes a hole transport material and a p-dopant, and wherein when a doping amount of the p-dopant doped to the hole transport region exceeds 1 wt %, the following Equation 1 is satisfied, while when the doping amount of the p-dopant is 1 wt % or less than 1 wt %, the following Equation 2 is satisfied: HOMO_HTM−LUMO_p-dopant −0.05 eV   [Equation 2] In Equation 1 and Equation 2, HOMO_HTM denotes HOMO energy of the hole transport material and LUMO_p-dopant denotes LUMO energy of the p-dopant.

    Display device
    5.
    发明授权
    Display device 有权

    公开(公告)号：US11817474B2

    公开(公告)日：2023-11-14

    申请号：US17818345

    申请日：2022-08-08

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Hyun Min Cho ,  Dae Hyun Kim ,  Jin Oh Kwag ,  Dong Hyun Kim ,  Keun Kyu Song ,  Hyun Deok Im ,  Sung Chan Jo

    IPC: H01L27/15 ,  H01L33/38 ,  H01L33/62

    CPC classification number: H01L27/156 ,  H01L33/38 ,  H01L33/62

    Abstract: A display device comprises a first electrode, a second electrode disposed to be spaced apart from the first electrode and face the first electrode, a first insulating layer disposed to cover the first electrode and the second electrode, a second insulating layer disposed on at least a part of the first insulating layer and exposing at a part of a region where the first electrode and the second electrode overlaps the first insulating layer and at least one light emitting element on the exposed first insulating layer between the first electrode and the second electrode, wherein the second insulating layer includes at least one opening exposing the first insulating layer and disposed to be spaced apart from each other on a region where the first electrode and the second electrode face each other, and a bridge portion between the openings, and the light emitting element is disposed on the opening.

    Display device
    8.
    发明授权
    Display device 有权

    公开(公告)号：US11177341B2

    公开(公告)日：2021-11-16

    申请号：US16923932

    申请日：2020-07-08

    Applicant: SAMSUNG DISPLAY CO., LTD.

    Inventor： Dong Hyun Kim ,  Gun Hee Kim ,  Soo Hyun Moon ,  Seung Chan Lee ,  Joo Hee Jeon

    IPC: H01L27/32 ,  H01L51/00 ,  H01L51/56

    Abstract: A display device includes a flexible substrate which includes a first surface and a second surface opposite to the first surface and includes, sequentially, a first portion in the display region, a second portion in the non-display region, a third portion bent in a direction opposite to a display surface, a fourth portion, a fifth portion bent in a direction toward the display surface, and a sixth portion; a plurality of signal wirings on the first surface at the second to sixth portions; and a plurality of first connection wirings on the second surface at the second portion, and the second portion overlaps with the fourth portion, the fifth portion, and the sixth portion, and the signal wirings and the first connection wirings are coupled to each other on the second surface at the second portion.

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