公开(公告)号：US20230063757A1

公开(公告)日：2023-03-02

申请号：US17880130

申请日：2022-08-03

Applicant: Universal Display Corporation

Inventor： William E. QUINN ,  Craig Anthony OUTTEN ,  Gregory MCGRAW ,  Kent Khuong NGUYEN ,  Steven Shigeki AOCHI ,  Neil D. NGUYEN ,  David SMILEY ,  Michael FILIPPI

IPC: B05B7/16

Abstract: 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.