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Title:
DISPLAY PANEL, FLEXIBLE DISPLAY SCREEN, ELECTRONIC APPARATUS, AND PREPARATION METHOD FOR DISPLAY PANEL
Document Type and Number:
WIPO Patent Application WO/2021/103979
Kind Code:
A1
Abstract:
A display panel, a flexible display screen, an electronic apparatus, and a preparation method for the display panel. The display panel comprises a substrate, a thin film transistor layer, a pixel definition layer (412), at least two package structures, and at least two pixel units. The at least two package structures encapsulate the at least two pixel units. The substrate, the thin film transistor layer, and the pixel definition layer are stacked together. The pixel definition layer has a pixel region (4121), and a side encapsulation region (4122) disposed around the pixel units encapsulated by the package structures. OLED light-emitting devices of the pixel units are disposed in the pixel region (4121). A first encapsulation layer (410) of the package structures is disposed on the side of the OLED light-emitting devices close to the thin film transistor layer. A second encapsulation layer (420) of the package structures is disposed on the side of the OLED light-emitting devices located away from the thin film transistor layer, and contacts the first encapsulation layer (410) in a sealing manner in the side encapsulation region (4122). The at least two package structures are provided to encapsulate the pixel units, so as to prevent cracking of the package structures during a bending procedure, thus enabling blocking of water and oxygen.

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Inventors:
WEI SHANSHAN (CN)
LONG HAOHUI (CN)
FANG JIANPING (CN)
Application Number:
PCT/CN2020/126867
Publication Date:
June 03, 2021
Filing Date:
November 05, 2020
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H01L27/32
Foreign References:
CN110473978A2019-11-19
CN103413897A2013-11-27
US20160293886A12016-10-06
CN106876328A2017-06-20
Attorney, Agent or Firm:
TDIP & PARTNERS (CN)
Download PDF:
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