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公开(公告)号：US20230063757A1
公开(公告)日：2023-03-02
申请号：US17880130
申请日：2022-08-03
发明人： William E. QUINN , Craig Anthony OUTTEN , Gregory MCGRAW , Kent Khuong NGUYEN , Steven Shigeki AOCHI , Neil D. NGUYEN , David SMILEY , Michael FILIPPI
IPC分类号： B05B7/16
摘要： An organic vapor jet printing (OVJP) device is provided that includes an OVJP print head having a nozzle configured to eject an organic material entrained in a carrier gas, one or more heaters to heat the nozzle, and one or more heat sinks to remove heat from the region of the nozzle. OVJP deposition devices and techniques are also provided in which heat sinks are arranged in the region of one or more OVJP nozzle, which maintain an ambient temperature of not more than 40 C. when the print head is operated at an operating temperature of 450 C.
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公开(公告)号：US20230363244A1
公开(公告)日：2023-11-09
申请号：US18311550
申请日：2023-05-03
发明人： Steven Shigeki AOCHI , Vadim BOGUSLAVSKIY , Evan HERNANDEZ , Kent Khuong NGUYEN , Michael FILIPPI , Matthew KING , Daniel TOET
CPC分类号： H10K71/13 , H10K71/40 , H10K71/221 , H10K85/341 , H10K85/324
摘要： An organic vapor jet printing (OVJP) device is provided that includes an OVJP print die having one or more delivery channels to deliver organic material and carrier gas to a region below the print die and one or more exhaust channels to remove material from below the print die. A directly-heated delivery line connected to the one or more delivery channels and a source of the organic material external to the OVJP print die includes a resistive material and a plurality of electrical connections to the resistive material. When a current is applied to the resistive material via the plurality of electrical connections, the resistive material heats the interior of the directly-heated delivery line.
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