# US 11,310,928 B2 · LED display waterproof structure > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,310,928 B2 - Document ID: US11310928B2 - Status: Granted - Kind: B2 - Application number: 16/917,849 - Filed: 2020-06-30 - Published: 2021-06-17 - Granted: 2022-04-19 - Earliest claimed: 2019-12-12 - Assignees: Unilumin Group Co., Ltd - Applicants: Unilumin Group Co., Ltd - Inventors: Yuanxian Liu; Kuang Yang - Web page: https://patentgrep.com/patent/US11310928B2 ## CPC - H05K 5/0217: {Mechanical details of casings (covers, lids, hoods or members for covering apertures H05K5/03)} - H10W 90/00: Package configurations - H05K 5/0247: {Electrical details of casings, e.g. terminals, passages for cables or wiring} - H05K 5/03: Covers - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 ## Abstract The present disclosure provides an LED display waterproof structure including a display bottom case, a first sealing ring and a waterproof cover. A side surface of the display bottom case is provided with a first U-shaped ring groove, a side surface of the first sealing ring towards the waterproof cover is provided with a second U-shaped ring groove, a first surface of the waterproof cover is provided with a ring protrusion matching the second U-shaped ring groove, the waterproof cover is provided on the first U-shaped ring groove through the first sealing ring, the ring protrusion is connected to the second U-shaped ring groove through interference fit, and the second U-shaped ring groove is connected to the first U-shaped ring groove through interference fit. ## Claims ### Claim 1 An LED display waterproof structure comprising a display bottom case, a first sealing ring and a waterproof cover, wherein: a side surface of the display bottom case is provided with a first U-shaped ring groove; a side surface of the first sealing ring towards the waterproof cover is provided with a second U-shaped ring groove; a first surface of the waterproof cover is provided with a ring protrusion matching the second U-shaped ring groove; the waterproof cover is provided on the first U-shaped ring groove through the first sealing ring; the ring protrusion is connected to the second U-shaped ring groove through interference fit; the second U-shaped ring groove is connected to the first U-shaped ring groove through interference fit; a surface of the display bottom case is provided with a first signal seat via hole; and the first U-shaped ring groove is configured to surround the first signal seat via hole. ### Claim 2 (depends on 1) The LED display waterproof structure of claim 1, wherein: both an inner side wall and an outer side wall of the second U-shaped ring groove are provided with protrusions; and each of the protrusions is configured to surround the inner side wall of the second U-shaped ring groove or the outer side wall of the second U-shaped ring groove. ### Claim 3 (depends on 1) The LED display waterproof structure of claim 1, wherein a bottom wall of the second U-shaped ring groove is provided with vent holes. ### Claim 4 (depends on 1) The LED display waterproof structure of claim 1, wherein: a groove of the second U-shaped ring groove is provided with first ribs, two ends of each of the first ribs are respectively connected to two inner side walls of the second U-shaped ring groove; and a top of the ring protrusion is provided with grooves configured to correspond one-to-one with the first ribs. ### Claim 5 (depends on 1) The LED display waterproof structure of claim 1, wherein the waterproof cover is provided with second signal seat via holes configured to correspond one-to-one with the first signal seat via hole. ### Claim 6 (depends on 5) The LED display waterproof structure of claim 5, further comprising a power supply box bottom plate, wherein: the power supply box bottom plate is provided with a third signal seat via hole configured to correspond one-to-one with the second signal seat via hole; and the power supply box bottom plate is connected to a second surface of the waterproof cover opposite to the first surface. ### Claim 7 (depends on 6) The LED display waterproof structure of claim 6, further comprising a second sealing ring between the power supply box bottom plate and the waterproof cover. ### Claim 8 (depends on 7) The LED display waterproof structure of claim 7, wherein the ring protrusion of the waterproof cover is configured to form a third U-shaped ring groove on the second surface of the waterproof cover. ### Claim 9 (depends on 8) The LED display waterproof structure of claim 8, wherein: a groove of the third U-shaped ring groove is provided with a cylindrical blind hole; and a first surface of the second sealing ring is provided with a second convex pillar configured to be inserted into the cylindrical blind hole. ### Claim 10 (depends on 8) The LED display waterproof structure of claim 8, wherein: second ribs are provided in the groove of the third U-shaped ring groove; and two ends of each of the second ribs are respectively connected to two inner side walls of the third U-shaped ring groove. ### Claim 11 (depends on 7) The LED display waterproof structure of claim 7, wherein: the first surface of the second sealing ring is provided with a first flat annular protrusion; and the second surface of the waterproof cover is provided with a circular groove configured to be inserted into the first flat annular protrusion. ### Claim 12 (depends on 11) The LED display waterproof structure of claim 11, wherein: the second sealing ring is provided with two concentric first flat annular protrusions; and a first groove body is between the two first flat annular protrusions. ### Claim 13 (depends on 11) The LED display waterproof structure of claim 11, wherein: a second surface of the second sealing ring opposite to the first surface is provided with two concentric second flat annular protrusions; and a second groove body is between the two second flat annular protrusions. ### Claim 14 (depends on 1) The LED display waterproof structure of claim 1, wherein: the first U-shaped ring groove is a circular ring groove; or the second U-shaped ring groove is a circular ring groove.