65results about "Vacuum tube vessels/containers/shields" patented technology

A new fluorescent lamp comprises a lamp tube and an electronic ballast, it is characterized in that it is provided with an outer tube, there are respectively an outer plug at both ends of the outer tube, in which inserts a socket for the lamp tube. The electronic ballast is between the outer plug and the socket for the lamp tube at one end, said lamp tube is disposed between two sockets for the lamp tube. There are advantages as follows: an urgent lighting, the electronic ballast and the compact lamp tube are integrated as one whole; it is convenient for mounting and exchanging, a cost for mounting is greatly reduced; it is possible for repacking to maintain an original means, to reduce a contamination of waste; its weight is light; its power factor is high, more than 95%, it is economical in power, a cost for transporting is low; the color rendering index (CRI) is more than 80%; it is ignited immediately after it is turned on, it does not flash; it is applied to lamps having deferent power; the life of the lamp tube is prolonged by 50%; its output brightness is higher than existing lamps by twice or more; the lamp tube still steadily operates when a power supply is unexpected to be shut off, which reduces accident cases; the whole distortion of a resonant wave becomes smaller than 30%.

The invention provides modular, interchangeable LED light bulbs configured to have an adjustable lateral emission direction. Such light bulbs overcome the drawbacks of conventional LED light bulbs that are not suited for use certain application, such as with sideway mounted light fixtures.

A high dose output, through transmission target X-ray tube and methods of use includes, in general an X-ray tube for accelerating electrons under a high voltage potential having an evacuated high voltage housing, a hemispherical shaped through transmission target anode disposed in said housing, a cathode structure to deflect the electrons toward the hemispherical anode disposed in said housing, a filament located in the geometric center of the anode hemisphere disposed in said housing, a power supply connected to said cathode to provide accelerating voltage to the electrons.

A backlight unit includes at least one cold cathode fluorescent lamp arranged at a lower end of a bottom cover, external electrode fluorescent lamps arranged on the bottom cover above the cold cathode fluorescent lamp, and inverters disposed on a rear side of the bottom cover for driving the at least one cold cathode fluorescent lamp and the external electrode fluorescent lamps.

Screw-on or slip-on covers, in the form of transparent or translucent plastic sleeves for CFLs functioning as diffusers and cups for handling bulbs during installation, removal and as a safety receptacle for mercury-contaminated broken bulbs. The covers have interior surfaces contoured to the various sizes of CFL tube configurations, spiral or axially folded tubes, so that they are securely retained when screwed or slipped onto the tubes. The inventive covers may be used in any orientation, open end up, down or horizontal, so that they are equally useful for upright CFLs in lamps, horizontally oriented CFLs screwed into wall sockets, or downwardly oriented or angled CFLs screwed into horizontal or sloped ceiling fixtures. The inventive covers function as light diffusers and hide the tubes in more pleasing external shapes. Attractive sleeve colors, designs and surface textures are disclosed. Shades and shade frames may be secured to the inventive CFL covers.

A lamp includes a main body and a removable cover, and the main body includes a lamp housing, a printed circuit board (PCB), at least one light emitting element, and a threaded base. The lamp housing defines a socket configured for receiving the PCB and the at least one light emitting element, and the PCB is electrically connected to the at least one light emitting element and fixed in the socket. The removable cover includes a light-transmission portion and a connection portion, the connection portion connects to the end of the lamp housing with the socket, and the light-transmission portion is opposite to the socket. Light from the at least one light emitting element is emitted from the light-transmission portion.