US Patent No. 11,071,223

SEALING RING AND LED DISPLAY SCREEN


Patent No. 11,071,223
Issue Date July 20, 2021
Title Sealing Ring And Led Display Screen
Inventorship Xianfeng Zhang, Guangdong (CN)
Yongjun Zhang, Guangdong (CN)
Guoqiang Li, Guangdong (CN)
Zhiqiang Gao, Guangdong (CN)
Assignee SHENZHEN GLOSHINE TECHNOLOGY CO., LTD., Shenzhen (CN)

Claim of US Patent No. 11,071,223


1. An LED display screen, comprising: a module, a box and a power box, wherein the module is fixed to a side of the box, the power box is fixed to another opposite side of the box; and further comprising: a plurality of the sealing rings, wherein the sealing ring disposed between the power box and the box is a first sealing ring, and the sealing ring disposed between the box and the module is a second sealing ring;each of the plurality of sealing rings comprising a ring body, wherein the ring body comprises a ring groove formed by a bottom wall and opposite side walls, at least one first convex ring is disposed on each of upper and lower surfaces of the bottom wall of the ring groove, and each of the at least one first convex ring is a closed ring with a same extension direction as the ring groove; the ring body further comprises a flange formed by bending outwards from a top of the side wall of the ring groove opposite to the bottom wall, at least one second convex ring is disposed on each of upper and lower surfaces of the flange, and each of the at least one second convex ring is a closed ring with a same extension direction as the flange; wherein the number of the first convex rings on the upper surface of the bottom wall of the ring groove is less than the number of the first convex rings on the lower surface of the bottom wall of the ring groove; a perpendicular bisector of the connection line of all the first convex rings on the upper surface of the bottom wall of the ring groove coincides with a perpendicular bisector of the connection line of all the first convex rings on the lower surface of the bottom wall of the ring groove.