Banner & Witcoff, Ltd.
Evaporation mask and evaporation device
An evaporation mask includes: shielding regions and evaporation regions arranged alternately, and a baffle at least covering the evaporation regions. The shielding regions are provided with shielding parts, and the baffle includes a plurality of evaporation sub-regions, and a plurality of openings are provided in each evaporation sub-region; the plurality of evaporation sub-regions include at least one first evaporation sub-region, and compared to rest evaporation sub-regions, a sum of areas of all openings in a unit area of the first evaporation sub-region is minimum; and the closer an evaporation sub-region to the first evaporation sub-region, the less a sum of areas of all openings in a unit area of the evaporation sub-region.
BOE Technology Group Co., Ltd.
H C C H H
H01L C23C C23C H01L H01L
additional inventional inventional additional additional
Xiaohu Zhongyuan
Li Sun