US Patent Issued to STANLEY ELECTRIC on July 14 for "Light guide plate and its manufacturing method" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,227, issued on July 14, was assigned to STANLEY ELECTRIC Co. LTD. (Tokyo).

"Light guide plate and its manufacturing method" was invented by Yoji Oki (Tokyo-to, Japan), Takashi Miyamoto (Tokyo-to, Japan) and Lingwei Goh (Tokyo-to, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A light guide plate has a light distribution controlling surface. A concave pseudo half-spindle type reflection dot is provided in the light distribution controlling surface. The pseudo half-spindle type reflection dot includes a first curved sloped surface provided on a side of the light incident surface, and a second curved sloped surface provided on a side of the count...