US Patent Issued to Semiconductor Energy Laboratory on Sept. 1 for "Light-emitting device, light-emitting apparatus, electronic appliance, and lighting device" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,727,319, issued on Sept. 1, was assigned to Semiconductor Energy Laboratory Co. Ltd. (Japan).

"Light-emitting device, light-emitting apparatus, electronic appliance, and lighting 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 light-emitting device with high heat resistance in a manufacturing process is to be provided. The light-emitting device includes a second electrode over a first electrode with an EL layer sandwiched therebetween; the EL layer includes...