ORGANIC LIGHT-EMITTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME

    公开(公告)号:US20230006163A1

    公开(公告)日:2023-01-05

    申请号:US17931285

    申请日:2022-09-12

    Abstract: An organic light-emitting display apparatus and a manufacturing method thereof have improved process stability and reliability by reducing damage to the organic light-emitting display apparatus during a manufacturing process. The organic light-emitting display apparatus includes: a substrate, a plurality of pixel electrodes, a pixel defining film, a plurality of hole control layers respectively arranged on the pixel electrodes, a plurality of emission layers respectively arranged on the hole control layers, a plurality of buffer layers respectively arranged on the emission layers, each of the buffer layers having a highest occupied molecular orbital (HOMO) energy level greater than the HOMO energy level of each of the plurality of emission layers, and an opposite electrode integrally provided over the buffer layers.

    DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME

    公开(公告)号:US20200343321A1

    公开(公告)日:2020-10-29

    申请号:US16854773

    申请日:2020-04-21

    Abstract: A display apparatus includes: a first substrate and a display unit. The display unit includes a display region and a transmissive region. The display unit further includes: an auxiliary layer disposed in correspondence with the transmissive region; and a second electrode disposed in correspondence with the display region and at least a portion of the transmissive region. The auxiliary layer includes a first material, the second electrode includes a second material, and the first material and the second material each satisfy Equation 1 below: ST2−ST1>0 mJ/m2, wherein, in Equation 1, ST1 is a surface energy of the first material at 25° C., and ST2 is a surface energy of the second material at 25° C.

    ORGANIC LIGHT-EMITTING DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME

    公开(公告)号:US20190326535A1

    公开(公告)日:2019-10-24

    申请号:US16363813

    申请日:2019-03-25

    Abstract: An organic light-emitting display apparatus and a manufacturing method thereof have improved process stability and reliability by reducing damage to the organic light-emitting display apparatus during a manufacturing process. The organic light-emitting display apparatus includes: a substrate, a plurality of pixel electrodes, a pixel defining film, a plurality of hole control layers respectively arranged on the pixel electrodes, a plurality of emission layers respectively arranged on the hole control layers, a plurality of buffer layers respectively arranged on the emission layers, each of the buffer layers having a highest occupied molecular orbital (HOMO) energy level greater than the HOMO energy level of each of the plurality of emission layers, and an opposite electrode integrally provided over the buffer layers.

    METHOD OF MANUFACTURING ORGANIC LIGHT-EMITTING DISPLAY APPARATUS
    15.
    发明申请
    METHOD OF MANUFACTURING ORGANIC LIGHT-EMITTING DISPLAY APPARATUS 审中-公开
    制造有机发光显示装置的方法

    公开(公告)号:US20160079537A1

    公开(公告)日:2016-03-17

    申请号:US14630679

    申请日:2015-02-25

    Abstract: A method of manufacturing an organic light-emitting display apparatus includes preparing a substrate with a plurality of pixel electrodes, preparing a donor mask, such that the donor mask includes a base substrate, a light-thermal conversion layer on the base substrate, and a reflective layer between the base substrate and the light-thermal conversion layer and having through-holes, depositing a transfer layer on the light-thermal conversion layer of the donor mask, aligning the substrate and the donor mask, preheating at least a portion of the donor mask or the transfer layer, and irradiating a light source toward the preheated portion of the donor mask or the transfer layer, such that a portion of the transfer layer is transferred from the donor mask to the pixel electrodes of the substrate, the transferred portion of the transfer layer corresponding to the through holes in the reflective layer.

    Abstract translation: 一种制造有机发光显示装置的方法包括制备具有多个像素电极的基板,制备施主掩模,使得施主掩模包括基底基板,在基底基板上的光热转换层和 在基底基板和光热转换层之间并具有通孔的反射层,在施主掩模的光热转换层上沉积转移层,对准衬底和施主掩模,预热至少部分 施主掩模或转印层,并且将光源朝向施主掩模或转印层的预热部分照射,使得转印层的一部分从施主掩模转印到基板的像素电极,转印部分 对应于反射层中的通孔的转印层。

    DISPLAY DEVICE
    16.
    发明申请

    公开(公告)号:US20230078043A1

    公开(公告)日:2023-03-16

    申请号:US17737132

    申请日:2022-05-05

    Abstract: A display device includes an auxiliary wiring located on a substrate; an insulating layer arranged on the auxiliary wiring, overlapping the auxiliary wiring in a plan view, and including an opening having a width greater than a width of the auxiliary wiring; a first electrode located on the insulating layer; a bank layer including an emission opening that overlaps the first electrode in a plan view; an intermediate layer overlapping the first electrode through an emission opening in a plan view and including an emission layer; a second electrode on the intermediate layer; and an auxiliary layer arranged on the second electrode, wherein the auxiliary wiring includes sub-layers, and each of the second electrode and the auxiliary layer contacts a side surface of one of the sub-layers through the opening of the insulating layer.

    DISPLAY APPARATUS AND METHOD OF MANUFACTURING THE SAME

    公开(公告)号:US20230029289A1

    公开(公告)日:2023-01-26

    申请号:US17937720

    申请日:2022-10-03

    Abstract: A display apparatus having improved reliability and preventing or reducing damage to an organic light-emitting diode (OLED), and a method of manufacturing the display apparatus by arranging a protective layer on an opposite electrode during a photo-patterning process, are provided. The display apparatus includes: a substrate; a pixel electrode on the substrate; a pixel defining layer on the pixel electrode, the pixel defining layer having a first opening that exposes a center of the pixel electrode; an auxiliary electrode on the pixel defining layer; an intermediate layer on the pixel electrode; an opposite electrode facing the pixel electrode with the intermediate layer therebetween; a first protective layer on the opposite electrode; and a contact electrode on the first protective layer, the contact electrode electrically contacting the auxiliary electrode and the opposite electrode.

    DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME

    公开(公告)号:US20220209164A1

    公开(公告)日:2022-06-30

    申请号:US17700026

    申请日:2022-03-21

    Abstract: A display device includes: a circuit element layer comprising a transistor; a display element layer comprising a first electrode connected to the transistor, a second electrode facing the first electrode, an organic pattern between the first electrode and the second electrode, a pixel defining layer having an opening exposing the first electrode, an auxiliary electrode spaced apart from the opening to cover a portion of the pixel defining layer and connected to the second electrode, a first protection pattern covering the second electrode, and a second protection pattern covering the first protection pattern; and an encapsulation layer covering the display element layer, wherein the first protection pattern and the second protection pattern have stress in directions different from each other.

    DISPLAY DEVICE AND ELECTRONIC APPARATUS INCLUDING THE SAME

    公开(公告)号:US20210376300A1

    公开(公告)日:2021-12-02

    申请号:US17147955

    申请日:2021-01-13

    Abstract: A display device may include a pixel area and a transmission area adjacent to the pixel area, a circuit element disposed in the pixel area and including a transistor and a capacitor, a pixel electrode layer disposed in the pixel area and electrically connected to the circuit element, an emission layer disposed on the pixel electrode layer, an opposite electrode layer disposed on the emission layer, and a surface energy control layer disposed between the emission layer and the opposite electrode layer and including a perfluorinated material. The surface energy control layer may have a portion extending into the transmission area.

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