Patent ID: 9416437
Filing Date: 2016-08-16
CPC Classification: C23C

Claim Text:
1. An evaporation device, composing: a gas guiding element; an evaporation tray received in the gas guiding element to define a receiving space between the evaporation tray and the gas guiding element; the evaporation tray comprising a first bottom wall, two opposite first sidewalls and two opposite second sidewalls extending from the first bottom wall, at least one of the first sidewalls and/or at least one of the second sidewalls defining a plurality of gas holes, the gas holes communicating with the receiving space, wherein the plurality of gas holes each have an extension line that inclines towards the first bottom wall; and wherein the gas guiding element comprises a second bottom wall, two opposite third sidewalls, and two opposite fourth sidewalls; the two third sidewalls and the two fourth sidewalls extend from the second bottom wall, the second bottom wall, the two third sidewalls and the two fourth sidewalls cooperatively define a cavity; wherein the two first sidewalls each inclined toward the two third sidewalls respectively, and the distal end of the two third sidewalls abuts against the free end of the two first sidewalls, respectively; a gas channel, one end of the gas channel connecting to the gas guiding element and communicating with the receiving space to feed gas into the receiving space.