The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 12, 2010
Filed:
Oct. 19, 2005
Jeffrey P. Spindler, Rochester, NY (US);
Tukaram K. Hatwar, Penfield, NY (US);
Jeffrey P. Spindler, Rochester, NY (US);
Tukaram K. Hatwar, Penfield, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
A method of making an OLED device includes providing an anode and a spaced cathode, and a hole-transporting layer provided between the anode and cathode, such hole-transporting layer including a first hole-transporting material having a first glass transition temperature Tg. The method further includes providing a first light-emitting layer including as a main component, a second hole-transporting material having a second glass transition temperature Tg, such light-emitting layer disposed between the hole transporting layer and the cathode and in contact with the hole-transporting layer, and wherein Tgis greater than Tg