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    DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME
    1.
    发明公开
    DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME 审中-公开

    公开(公告)号：US20240260360A1

    公开(公告)日：2024-08-01

    申请号：US18520673

    申请日：2023-11-28

    Applicant: Samsung Display Co., LTD.

    Inventor： Duck Jung LEE ,  Hye Jin GWARK ,  Jae Ik KIM ,  Hwi KIM ,  Jung Sun PARK ,  Seung Yong SONG ,  Yeon Hwa LEE ,  Joon Gu LEE

    IPC: H10K59/131 ,  H10K59/12 ,  H10K59/122

    CPC classification number: H10K59/131 ,  H10K59/1201 ,  H10K59/122

    Abstract: A display device includes: a pixel circuit layer including a base layer, a pixel circuit, and a passivation layer including a well area and a protrusion area; and a light-emitting-element layer disposed on the pixel circuit layer, and including a light emitting element, and a connecting electrode, the light emitting element including a first electrode, a second electrode, and an emission part. The connecting electrode is disposed in the protrusion area, and at least a portion of the connecting electrode overlaps the well area and does not contact the passivation layer. The emission part includes a hole layer, an electron layer, and an emission layer. The hole layer connects the first electrode and the emission layer. The electron layer connects the second electrode and the emission layer. Each of the hole layer and the second electrode has an end portion on the connecting electrode.

    DISPLAY DEVICE
    3.
    发明公开
    DISPLAY DEVICE 审中-公开

    公开(公告)号：US20240276805A1

    公开(公告)日：2024-08-15

    申请号：US18435431

    申请日：2024-02-07

    Applicant: Samsung Display Co., LTD.

    Inventor： Jae Ik KIM ,  Hye Jin GWARK ,  Hwi KIM ,  Jungsun PARK ,  Yeon Hwa LEE ,  Joon Gu LEE

    IPC: H10K59/131

    CPC classification number: H10K59/131

    Abstract: A display device includes: a substrate including a display area and a non-display area; an external common voltage line disposed in the non-display area; a common voltage line disposed in the display area and connected to the external common voltage line; a plurality of pixels positioned in the display area, each of which includes a first electrode and an emission layer; and a second electrode positioned on the pixels. The common voltage line has a multi-layered structure including a first layer, a second layer, and a third layer, the second layer defines an undercut structure therein, a width of the second layer is narrower than a width of each of the first layer and the third layer, and a length of an undercut of the undercut structure is greater than a thickness of the common voltage line.

    DISPLAY DEVICE
    4.
    发明公开
    DISPLAY DEVICE 审中-公开

    公开(公告)号：US20240179955A1

    公开(公告)日：2024-05-30

    申请号：US18244535

    申请日：2023-09-11

    Applicant: Samsung Display Co., Ltd.

    Inventor： Jae Ik KIM ,  Hye Jin GWARK ,  Hwi KIM ,  Jung Sun PARK ,  Yeon Hwa LEE ,  Joon Gu LEE

    IPC: H10K59/122 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17

    CPC classification number: H10K59/122 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171

    Abstract: A display device includes a pixel electrode, a pixel defining layer disposed on the pixel electrode and forming an opening which exposes a portion of the pixel electrode, an auxiliary electrode disposed on the pixel defining layer and the pixel electrode, an intermediate layer disposed on the pixel defining layer and the auxiliary electrode and a common electrode disposed on the intermediate layer. The pixel defining layer includes a recessed portion recessed into the pixel defining layer, the auxiliary electrode includes a first undercut forming portion disposed on the recessed portion and contacting the portion of the pixel electrode, and the intermediate layer includes a hole injection layer, a light-emitting layer and an electron injection layer stacked sequentially. The hole injection layer includes a first portion disposed on the first undercut forming portion and a second portion separated from the first portion and disposed on the recessed portion.

    DISPLAY DEVICE
    6.
    发明申请
    DISPLAY DEVICE 有权

    公开(公告)号：US20230126073A1

    公开(公告)日：2023-04-27

    申请号：US17930967

    申请日：2022-09-09

    Applicant: Samsung Display Co., LTD.

    Inventor： Joon Gu LEE ,  HYE JIN GWARK ,  ARONG KIM ,  Jae Ik KIM ,  JUNGSUN PARK ,  HEEMIN PARK ,  Yeon Hwa LEE ,  KYU H. HWANG

    IPC: H01L33/38 ,  H01L33/62 ,  H01L33/20 ,  H01L33/00

    Abstract: A display device and a manufacturing method of a display device are provided. A display device includes: a substrate; a semiconductor layer on the substrate; a source electrode and a drain electrode on the semiconductor layer; an auxiliary electrode on a same layer as the source electrode and the drain electrode; a first electrode electrically connected with the source electrode or the drain electrode; a light emitting element layer on the first electrode; and a second electrode on the light emitting element layer, and the auxiliary electrode includes at least one groove located inside the auxiliary electrode.

    OPTICAL MASK
    7.
    发明申请
    OPTICAL MASK 有权
    光学面膜

    公开(公告)号：US20160064698A1

    公开(公告)日：2016-03-03

    申请号：US14668587

    申请日：2015-03-25

    Applicant: Samsung Display Co., Ltd.

    Inventor： Joon Gu LEE ,  Yeon Hwa LEE ,  Jin Baek CHOI ,  Young Gil KWON

    IPC: H01L51/56 ,  C23C14/04

    CPC classification number: H01L51/56 ,  B41M5/40 ,  B41M5/42 ,  B41M5/426 ,  B41M5/46 ,  B41M5/48 ,  C23C14/042 ,  H01L51/0013

    Abstract: An optical mask includes a light-to-heat conversion layer with an improved temperature profile. The optical masks may comprise a light-transmitting base substrate; a first reflective pattern layer which is formed on the light-transmitting base substrate comprising a first opening portion transmitting light emitted from under the light-transmitting base substrate and a first reflective portion reflecting the light; a second reflective pattern layer which is formed over the first opening portion comprising a second opening portion overlapping a first area of the first opening portion and a second reflective portion overlapping a second area of the first opening portion; and a light-to-heat conversion pattern layer which is formed on the light-transmitting base substrate, being disposed in the first area of the first opening portion, absorbing at least a part of the light, and converting the light absorbed into heat.

    Abstract translation: 光学掩模包括具有改进的温度分布的光热转换层。 光掩模可以包括透光基底; 形成在所述透光性基板上的第一反射图案层，具有透射从所述透光性基板下方射出的光的第一开口部和反射所述光的第一反射部; 第二反射图案层，形成在第一开口部分上，包括与第一开口部分的第一区域重叠的第二开口部分和与第一开口部分的第二区域重叠的第二反射部分; 以及形成在所述透光性基底基板上的光热转换图案层，设置在所述第一开口部的所述第一区域中，吸收至少一部分所述光，并将吸收的光转换成热。

    OPTICAL MASK
    8.
    发明申请
    OPTICAL MASK 有权
    光学面膜

    公开(公告)号：US20160062228A1

    公开(公告)日：2016-03-03

    申请号：US14716667

    申请日：2015-05-19

    Applicant: Samsung Display Co., Ltd.

    Inventor： Yeon Hwa LEE ,  Joon Gu LEE ,  Jin Baek CHOI

    IPC: G03F1/54

    CPC classification number: G03F1/54 ,  B41M5/46 ,  B41M5/465 ,  B41M5/48 ,  H01L51/0013

    Abstract: An optical mask including a transmissive base substrate, a reflective pattern layer, and a photothermal conversion pattern layer. The reflective pattern layer is disposed on the transmissive base substrate. The reflective pattern layer includes reflectors. The photothermal conversion pattern layer is disposed on the transmissive base substrate among the reflectors. The photothermal conversion pattern layer includes first regions with a first light absorptivity and second regions with a second light absorptivity. The second light absorptivity is greater than the first light absorptivity. The first regions are disposed among the second regions.

    Abstract translation: 一种光掩模，包括透射基底，反射图案层和光热转换图案层。 反射图案层设置在透射基底上。 反射图案层包括反射器。 光电转换图案层设置在反射器之间的透射基底基板上。 光热转换图案层包括具有第一光吸收率的第一区域和具有第二光吸收率的第二区域。 第二光吸收率大于第一光吸收率。 第一区域设置在第二区域中。

    DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
    9.
    发明申请
    DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF 有权

    公开(公告)号：US20250040375A1

    公开(公告)日：2025-01-30

    申请号：US18779082

    申请日：2024-07-22

    Applicant: Samsung Display Co., Ltd.

    Inventor： Hwi KIM ,  Hye Jin GWARK ,  Jae Ik KIM ,  Jung Sun PARK ,  Seung Yong SONG ,  Duck Jung LEE ,  Yeon Hwa LEE ,  Joon Gu LEE

    IPC: H10K59/131 ,  H01L27/12 ,  H10K59/12 ,  H10K59/121 ,  H10K59/88 ,  H10K71/60

    Abstract: A display device may include: a connection pattern and a dummy pattern disposed to be spaced apart from each other on a substrate; a via layer on the substrate; a pixel electrode on the via layer and electrically connected to the connection pattern; a light emitting layer disposed on the pixel electrode; a control layer disposed on the light emitting layer; and a common electrode disposed on the control layer. The dummy pattern may include a first conductive layer, a second conductive layer, a third conductive layer, a fourth conductive layer, and a fifth conductive layer sequentially disposed. The first conductive layer, the third conductive layer, and the fifth conductive layer may include the same material. The second conductive layer and the fourth conductive layer may include the same material. The first, third, fifth conductive layers and the second and fourth conductive layers may include different materials.

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