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Patent Searching and Data


Title:
METAL MASK, EVAPORATION METHOD, DISPLAY PANEL AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/028182
Kind Code:
A1
Abstract:
Provided are a metal mask, an evaporation method, a display panel and a display device. The metal mask comprises: a metal frame, the metal frame being provided with a hollowed-out area; and an alignment metal strip, the alignment metal strip being located at the edge of one side of the metal frame and being provided with a first alignment mark and a first image capture mark. The first alignment mark and the first image capture mark are arranged in the extending direction of the edge, the metal frame is provided with a first hole, and an orthographic projection of the first image capture mark on the metal frame is located within the area in which the first hole is located.

Inventors:
HO HSINJU (CN)
LI GUANGJIN (CN)
DING QINGYANG (CN)
PENG HONGLIN (CN)
FENG YONGSHAN (CN)
Application Number:
PCT/CN2021/104509
Publication Date:
February 10, 2022
Filing Date:
July 05, 2021
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
MIANYANG BOE OPTOELECTRONICS TECH CO LTD (CN)
International Classes:
C23C14/24; C23C14/04; G03F1/64
Foreign References:
CN111876726A2020-11-03
CN105887010A2016-08-24
CN108064316A2018-05-22
JP2007311257A2007-11-29
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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