ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,312, issued on May 20, was assigned to TOYODA GOSEI Co. LTD. (Aichi-pref., Japan).
"Lighting device and display panel" was invented by Yoshinori Masatsugu (Kiyosu, Japan) and Yusuke Ueshima (Kiyosu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is technology that enables a lighting device to luminously display a clear sign. A display panel 3 of a lighting device 1 has a layered structure including a transparent base layer 30, a decorative layer 33 having a general decorative portion 33g and a display decorative portion 33d, and a blocking layer 35 having a general blocking portion 35g and a display blocking portion 35d. A blocking ou...