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Title:
MASK DEVICE AND MANUFACTURING METHOD THEREFOR, EVAPORATION METHOD AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/047610
Kind Code:
A1
Abstract:
A mask device and a manufacturing method therefor, an evaporation method and a display device. The mask device comprises: a mask frame; at least one first mask strip that extends in a first direction and at least one second mask strip that extends in a second direction, which are fixed on the mask frame; and a first mask plate that extends along the first direction and is fixed on the mask frame. The first mask strip and the second mask strip intersect one another to define at least one mask opening. The first mask plate comprises a mask pattern area, and the mask pattern area comprises multiple holes that are arranged in an array. The mask pattern area comprises a first region and a second region corresponding to the first region. The second region surrounds the first region. Each hole in the first region is a through hole, and each hole in the second region is a through hole or a blind hole. The orthographic projection of the mask opening on the first mask plate at least covers the first region in the mask pattern area, and the orthographic projections of the first mask strip and the second mask strip on the first mask plate at least partially cover the second region in the mask pattern area.

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Inventors:
JI FENGLI (CN)
Application Number:
PCT/CN2020/114594
Publication Date:
March 18, 2021
Filing Date:
September 10, 2020
Export Citation:
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Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
ORDOS YUANSHENG OPTOELECTRONICS CO LTD (CN)
International Classes:
H05B33/10; C23C14/04
Foreign References:
CN205556762U2016-09-07
CN205556762U2016-09-07
CN107815641A2018-03-20
CN106086782A2016-11-09
CN106480404A2017-03-08
CN1510971A2004-07-07
CN103014618A2013-04-03
CN101015234A2007-08-08
US20150101536A12015-04-16
US20040183435A12004-09-23
US20150007768A12015-01-08
Attorney, Agent or Firm:
LIU, SHEN & ASSOCIATES (CN)
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