ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,674, issued on Nov. 18, was assigned to HKC CORPORATION LIMITED (Shenzhen, China).
"Scroll type display device" was invented by Ye Wan (Shenzhen, China) and Rongrong Li (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A scroll type display device related to the field of displaying technologies, and the device includes: a housing, a flexible screen scroll shaft, and a flexible display screen; the housing is provided with an opening configured for extending and retracting the flexible display screen; the flexible screen scroll shaft is rotatably arranged in the housing, and the flexible screen scroll shaft is connected with the flexible...