US Patent Issued to Citizen Electronics, Citizen Watch on Aug. 19 for "Light-emitting device and method of manufacturing the same" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,396,300, issued on Aug. 19, was assigned to Citizen Electronics Co. Ltd. (Fujiyoshida, Japan) and Citizen Watch Co. Ltd. (Nishitokyo, Japan).

"Light-emitting device and method of manufacturing the same" was invented by Kiyokazu Watanabe (Fujiyoshida, Japan) and Katsuya Aoshima (Fujiyoshida, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light-emitting device includes a dam member disposed around an LED element. The dam member includes a base resin, a first-particle-size filler, and a second-particle-size filler. The dam member contains 10 to 50 wt % of the first-particle-size filler with respect to the base resin. The first-particle-size filler ...