United States
US 12,702,990 B2
Actively cooled heat sink for OVJP print head
US 12,702,990 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-11. Applicant: Universal Display Corporation. Its PDF downloads from this page without an account, up to 5 a day.
- Applicant
- Universal Display Corporation
- Inventors
- William E. QUINN; Craig Anthony OUTTEN; Gregory MCGRAW; Kent Khuong NGUYEN; Steven Shigeki AOCHI; Neil D. NGUYEN; David SMILEY; Michael FILIPPI
- Publication date
- 2026-08-11
- Filing date
- 2022-08-03
- Document type
- B2 Granted patent
- Also written as
- US 12,702,990 B2 · US12702990 · 12702990
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.
The opening of the abstract. The full text is in the PDF.
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Patent office website: United States Patent and Trademark Office (USPTO)
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