US Patent Issued to Semiconductor Energy Laboratory on Oct. 27 for "Mixed material for light-emitting device" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,777,846, issued on Oct. 27, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Japan).

"Mixed material for light-emitting device" was invented by Yui Yoshiyasu (Atsugi, Japan), Naoaki Hashimoto (Sagamihara, Japan), Tatsuyoshi Takahashi (Atsugi, Japan), Sachiko Kawakami (Atsugi, Japan) and Satoshi Seo (Sagamihara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A novel mixed material for a light-emitting device with improved heat resistance is provided. The mixed material for a light-emitting device includes a first heteroaromatic compound and a second heteroaromatic compound. The first heteroaromatic compound includes a first heteroaromatic ...