Bulb lamp with LED lamp beads distributed on double sides

• Main Author: WANG LIANGYUN
• Format: Patent
• Language: English
• Published: 07.01.2015
• Subjects: BLASTING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED; LIGHTING; MECHANICAL ENGINEERING; NON-PORTABLE LIGHTING DEVICES; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

Provided is a bulb lamp with LED lamp beads distributed on the double sides. A lamp cap, a first heat radiator, a second heat radiator and a lampshade are connected in sequence. A first containing cavity is formed by connecting the first radiator with the second radiator, and an LED power source is contained in the first containing cavity. A second containing cavity is formed by connecting the second radiator with the lampshade, and a substrate and the LED lamp beads are contained in the second containing cavity. The second radiator is provided with a through hole. A wire penetrates through the through hole, one end of the wire is electrically connected with the substrate, and the other end of the wire is electrically connected with the LED power source. The substrate is connected with the second radiator. The LED lamp beads are installed on the two end faces of the substrate and distributed in an annular array mode along the axis of the substrate. The LED lamp beads include positive light lamp beads and side light lamp beads, and the positive light lamp beads and the side light lamp beads are arranged at intervals. When the bulb lamp with the LED lamp beads distributed on the double sides, the positive light lamp beads and the side light lamp beads installed on the substrate emit light in different directions, light is not likely to be converged on one point, and the luminance uniformity of the bulb lamp with the LED lamp beads distributed on the double sides is improved.