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    INKJET PRINTING APPARATUS AND DISPLAY PANEL MANUFACTURING METHOD USING THE SAME
    2.
    发明申请
    INKJET PRINTING APPARATUS AND DISPLAY PANEL MANUFACTURING METHOD USING THE SAME 有权

    公开(公告)号：US20250050602A1

    公开(公告)日：2025-02-13

    申请号：US18922728

    申请日：2024-10-22

    Applicant: Samsung Display Co., Ltd.

    Inventor： JINHO HYUN ,  HEECHANG YOON ,  HYOUNG SUB LEE ,  HYEMIN LEE

    IPC: B29D11/00 ,  B41J2/045 ,  G02B5/20

    Abstract: An inkjet printing apparatus includes: a stage, which reciprocates in forward and reverse directions opposite to each other and has a target substrate disposed thereon; an inspection device including a film disposed outside the stage and a measurement unit which measures an inspection pattern provided on the film; and a head assembly, which moves along one direction crossing the forward direction and has a plurality of heads which supplies a liquid composition to the target substrate. The head assembly moves in the one direction to overlap the film and sprays the composition onto the film to form an inspection pattern.

    DISPLAY DEVICE
    4.
    发明申请
    DISPLAY DEVICE 有权

    公开(公告)号：US20230122827A1

    公开(公告)日：2023-04-20

    申请号：US17886793

    申请日：2022-08-12

    Applicant: Samsung Display Co., Ltd.

    Inventor： JINHO HYUN ,  HEECHANG YOON ,  HYOUNG SUB LEE ,  HYEMIN LEE ,  WOO YONG SUNG ,  SEUNGYONG SONG

    IPC: H01L27/32

    Abstract: A display device includes a first region including a first light emitting element including a first electrode, a second region including a second light emitting element including a second electrode, a pixel defining layer including a first sidewall defining a first opening corresponding to the first electrode and a second sidewall defining a second opening corresponding to the second electrode, a first spacer which protrudes from the pixel defining layer in the first region and includes a first edge closest to the first opening, and a second spacer which protrudes from the pixel defining layer in the second region and includes a second edge closest to the second opening. A distance between the first sidewall and the first edge, is smaller than a distance between the second sidewall and the second edge.

    HEAD CLEANING METHOD AND HEAD CLEANER PERFORMING THE SAME
    5.
    发明申请
    HEAD CLEANING METHOD AND HEAD CLEANER PERFORMING THE SAME 有权

    公开(公告)号：US20250018718A1

    公开(公告)日：2025-01-16

    申请号：US18613128

    申请日：2024-03-22

    Applicant: Samsung Display Co., Ltd.

    Inventor： HYEMIN LEE ,  JAESIK KIM ,  JUNGHAN SEO ,  KWANHYUCK YOON ,  SEUNGHO YOON ,  BYEONGJUN LEE ,  SEUNGGUN CHAE

    IPC: B41J2/165

    Abstract: A head cleaning method includes contacting a nozzle surface of a head in which nozzle holes are defined with an absorbent on a pressurizer, starting a wiping operation at a first edge portion of the head closest to the pressurizer at a first position, and ending the wiping operation at a second edge portion of the head furthest away from the pressurizer at the first position, positioning the pressurizer at a second position to define a first angle between a first imaginary line parallel to a longitudinal direction of the head and a second imaginary line parallel to a longitudinal direction of the pressurizer, and starting the wiping operation at a third edge portion of the head closest to the pressurizer at the second position, and ending the wiping operation at a fourth edge portion of the head furthest away from the pressurizer at the second position.

    INKJET PRINTER HEAD AND INKJET PRINTER INCLUDING INKJET PRINTER HEAD
    6.
    发明公开
    INKJET PRINTER HEAD AND INKJET PRINTER INCLUDING INKJET PRINTER HEAD 审中-公开

    公开(公告)号：US20240286407A1

    公开(公告)日：2024-08-29

    申请号：US18405333

    申请日：2024-01-05

    Applicant: Samsung Display Co., Ltd.

    Inventor： JAESIK KIM ,  WOO YONG SUNG ,  SEUNGYONG SONG ,  SEUNGHO YOON ,  HYOUNG SUB LEE ,  HYEMIN LEE

    IPC: B41J2/14 ,  B41J29/02

    CPC classification number: B41J2/1433 ,  B41J2/14201 ,  B41J29/02

    Abstract: An inkjet printer includes a stage part and an inkjet printer head disposed on the stage part and including a plurality of head parts. Each of the head parts includes a chamber plate part including a chamber part, a nozzle plate part including a nozzle part, an outer side surface, an inner side surface, and a nozzle surface, an inorganic layer disposed on the outer side surface, a first metal oxide layer including a first portion, a second portion, and a third portion, a second metal oxide layer including a first metal portion and a second metal portion, a first self-assembled layer disposed on the first metal portion and having a first contact angle, and a second self-assembled layer disposed on the third portion and having a second contact angle smaller than the first contact angle.

    DISPLAY DEVICE AND MANUFACTURING METHOD OF THE SAME
    7.
    发明公开
    DISPLAY DEVICE AND MANUFACTURING METHOD OF THE SAME 审中-公开

    公开(公告)号：US20240107853A1

    公开(公告)日：2024-03-28

    申请号：US18534811

    申请日：2023-12-11

    Applicant: Samsung Display Co., Ltd.

    Inventor： JINHO HYUN ,  HYOUNG SUB LEE ,  HYEMIN LEE ,  WOO YONG SUNG

    IPC: H10K59/40 ,  G06F3/044 ,  H10K59/12 ,  H10K59/131 ,  H10K59/80

    CPC classification number: H10K59/40 ,  G06F3/0446 ,  H10K59/1201 ,  H10K59/131 ,  H10K59/873

    Abstract: A display device includes: a display panel including a base layer, a light emitting element layer, and an encapsulation layer; and an input detection unit disposed on the display panel, wherein the display panel includes: a first side and a second side, wherein the encapsulation layer includes an organic encapsulation layer including: an inclined part adjacent to the first side and the second side; and a flat part extending from the inclined part, wherein a first angle formed by the inclined part with respect to an upper surface of the base layer in a first part of the display panel and input detection unit adjacent to the first side is less than a second angle formed by the inclined part with respect to the upper surface of the base layer in a second part of the display panel and input detection unit adjacent to the second side.

    DISPLAY DEVICE AND MANUFACTURING METHOD OF THE SAME
    8.
    发明公开
    DISPLAY DEVICE AND MANUFACTURING METHOD OF THE SAME 审中-公开

    公开(公告)号：US20230217780A1

    公开(公告)日：2023-07-06

    申请号：US18088549

    申请日：2022-12-24

    Applicant: Samsung Display Co., Ltd.

    Inventor： JINHO HYUN ,  HYOUNG SUB LEE ,  HYEMIN LEE ,  WOO YONG SUNG

    IPC: H10K59/40 ,  H10K59/80 ,  H10K59/131 ,  H10K59/12 ,  G06F3/044

    CPC classification number: H10K59/40 ,  H10K59/873 ,  H10K59/131 ,  H10K59/1201 ,  G06F3/0446

    Abstract: A display device includes: a display panel including a base layer, a light emitting element layer, and an encapsulation layer; and an input detection unit disposed on the display panel, wherein the display panel includes: a first side and a second side, wherein the encapsulation layer includes an organic encapsulation layer including: an inclined part adjacent to the first side and the second side; and a flat part extending from the inclined part, wherein a first angle formed by the inclined part with respect to an upper surface of the base layer in a first part of the display panel and input detection unit adjacent to the first side is less than a second angle formed by the inclined part with respect to the upper surface of the base layer in a second part of the display panel and input detection unit adjacent to the second side.

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