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    Organic vapor jet print head with orthogonal delivery and exhaust channels
    51.
    发明授权
    Organic vapor jet print head with orthogonal delivery and exhaust channels 有权

    公开(公告)号：US11033924B2

    公开(公告)日：2021-06-15

    申请号：US16254998

    申请日：2019-01-23

    Applicant: Universal Display Corporation

    Inventor： Gregory McGraw ,  William E. Quinn ,  Matthew King

    IPC: B05C5/02 ,  G03F7/00 ,  H01L51/00 ,  B05B7/00 ,  H01L51/50

    Abstract: Embodiments of the disclosed subject matter provide a device that may have a first depositor that includes one or more delivery apertures surrounded by one or more exhaust apertures, where the one or more delivery apertures and the one or more exhaust apertures are enclosed within a perimeter of a boss that protrudes from a substrate-facing side of the one or more delivery apertures. The delivery channels for the one or more delivery apertures and exhaust channels for the one or more exhaust apertures may be routed orthogonally to each other. The one or more delivery apertures may be configured to permit jets of delivery gas pass through a lower surface of the first depositor. The lower surface of the first depositor may include the one or more exhaust apertures to remove surplus vapor from a delivery zone. Embodiments may also provide a method of forming a print head.

    Hermetically sealed isolated OLED pixels
    52.
    发明授权
    Hermetically sealed isolated OLED pixels 有权

    公开(公告)号：US10910590B2

    公开(公告)日：2021-02-02

    申请号：US14661335

    申请日：2015-03-18

    Applicant: UNIVERSAL DISPLAY CORPORATION

    Inventor： Siddharth Harikrishna Mohan ,  William E. Quinn ,  Ruiqing Ma ,  Emory Krall ,  Luke Walski

    IPC: H01L51/52 ,  H01L27/32 ,  H01L51/00 ,  H01L51/50 ,  H01L51/56

    Abstract: A novel thin film encapsulated OLED panel architecture and a method for making the panels with improved shelf life is disclosed. The OLED panel consists of a plurality of OLED pixels; each OLED pixel is individually hermetically sealed and isolated from its neighboring pixels. The organic stack of the OLED pixel is contained within its own hermetically sealed structure, achieved by making the structure on a barrier coated substrate and using a first barrier material as the grid and a second barrier for encapsulating the entire OLED pixel. The first barrier material provides the edge seal while the second barrier disposed over the pixel provides protection from top down moisture diffusion. By isolating and hermetically sealing individual pixels; any damage such as moisture and oxygen ingress due to defects or particles, delamination, cracking etc. can be effectively contained within the pixel thereby protecting other pixels in the panel.

    HIGH VACUUM OLED DEPOSITION SOURCE AND SYSTEM
    56.
    发明申请
    HIGH VACUUM OLED DEPOSITION SOURCE AND SYSTEM 有权
    高真空OLED沉积源和系统

    公开(公告)号：US20150140832A1

    公开(公告)日：2015-05-21

    申请号：US14081161

    申请日：2013-11-15

    Applicant: Universal Display Corporation

    Inventor： William E. Quinn ,  Siddharth Harikrishna Mohan ,  Gregory McGraw

    IPC: H01L51/00 ,  C23C14/12 ,  H01L51/56 ,  C23C14/04

    CPC classification number: H01L51/0011 ,  C23C14/042 ,  C23C14/12 ,  H01L51/56

    Abstract: Sources, devices, and techniques for deposition of organic layers, such as for use in an OLED, are provided. A vaporizer may vaporize a material between cooled side walls and toward a mask having an adjustable mask opening. The mask opening may be adjusted to control the pattern of deposition of the material on a substrate, such as to correct for material buildup that occurs during deposition. Material may be collected from the cooled side walls for reuse.

    Abstract translation: 提供了用于沉积有机层的源，器件和技术，例如用于OLED。 蒸发器可以将冷却的侧壁之间的材料蒸发并且朝向具有可调节的掩模开口的掩模蒸发。 可以调节掩模开口以控制材料在衬底上的沉积图案，以便校正在沉积期间发生的材料堆积。 可以从冷却的侧壁收集材料以供重新使用。

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