ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,320, issued on April 15, was assigned to STANLEY ELECTRIC Co. LTD. (Tokyo).
"Light emitting device and manufacturing method therefor" was invented by Yoshiaki Yasuda (Tokyo), Hirofumi Chiba (Tokyo), Mitsuyasu Kumagai (Tokyo), Yukio Suzuki (Miyagi, Japan) and Shuji Tanaka (Miyagi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a light emitting device, in a bottom surface of a cavity of a Si substrate, slit-shaped through holes and through electrodes that fill the through holes are provided at a position facing a first element electrode of a light emitting element. A length of an upper surface of the through electrode in a long axis direction ...