lamp (Total 221101 Patents Found)

Lamp (221101 Patents Found)
In a flat luminescent lamp fitted to an under surface of the liquid crystalline TV display panel to backlight its image, a pair of the electrode plates 14 of cold cathode type are opposingly positioned in the cavity. The electrode plate has a concave cross section, auxiliary electrodes on each electrode plate project t...
A simplified electronic ballast for a discharge lamp which provides dimming by control of inverter frequency through modulation of magnetizing current in a transformer such that the switching frequency is made substantially independent of the load presented. The principle of frequency control in a manner independent of...
A high-pressure sodium vapor lamp with elevated color temperature, high light yield and improved color rendering properties for general illumination purposes uses sodium or sodium amalgam with mole fractions x Na >0.9 as the arc media. The lamp power supply supplies pulses with a duty cycle Γof 0.01>Γ>0.1 w...
An indicating lamp unit or the like is mounted on a wall of a motor vehicle body through mounting pins carried by the lighting unit and carrying retaining means which fit in holes formed in the body wall. Each mounting hole in the body wall is of banjo shape, having a first part through which the retaining means can fr...
A low profile socket assembly is provided for use with a wedge base type lamp bulb that has a reduced number of parts while providing uniform and reliable electrical contact. The socket assembly includes a housing having a socket adapted to receive the lamp bulb base, and a pair of substantially cylindrical barrel term...
A high pressure sodium discharge lamp includes first and second discharge devices electrically connected in series within an outer envelope. The discharge devices each include a discharge vessel enclosing a discharge space with an ionizable fill and first and second discharge electrode assemblies. The first discharge e...
Terbium-activated luminescent material with garnet crystal structure satisfying the formula Ln 3-x-p Tb p A 5-x-2y Me II x+y Me IV x+y O 12 , wherein Ln represents yttrium, gadolinium and/or lutecium, A aluminium and/or gallium, Me II magnesium, calcium, strontium and/or z...
A curved lamp manufacturing method including a curving process in which a straight glass tube sealed with reduced pressure inside is heated and curved. The curving process includes: a first step of holding a predetermined portion of the glass tube using a first chuck, and holding one end portion of the glass tube using...
A cold cathode tube lamp is fed with power from a first conductive member and a second conductive member provided outside in a mounted state, and includes a glass tube, first and second internal electrodes provided inside the glass tube, a first external electrode provided outside the glass tube and connected to the fi...
The present invention is directed to a LED lamp and the heat-dissipating structure thereof. The heat-dissipating structure is used to dissipate the heat generated by the LED and comprises a first heat-dissipating body and a second heat-dissipating body. The first heat-dissipating body has a casing with an opening forme...
A fluorescent lamp ( 2 ), in particular a backlight lamp of a display device, is supplied with an alternating voltage, a frequency and an amplitude of which being greater during ignition than during normal operation of the lamp. The voltage (V) across the lamp and the current (I) through the lamp are measured to provid...
A head lamp for a motor vehicle is disclosed with a reflector for reflecting light. A generally transparent lens is mounted to the reflector for enclosing the head lamp. A light bulb is oriented within the head lamp spaced apart from the reflector for providing illumination that is reflected from the reflector and out ...
A lamp assembly includes a lamp and a junction box. The lamp defines a front chamber and a rear chamber. A plurality of LED modules is received in the rear chamber. A receiving member is located at a top of the front chamber. The junction box is mounted on an outside of the receiving member. A junction base is received...
A light emitting lamp and a backlight unit having the same are disclosed. The light emitting lamp is capable of reducing a tube voltage thereof and increasing an effective light emitting region via an increased area of external electrodes. The light emitting lamp includes a linear lamp tube having a plurality of protub...
A fluorescent lamp including a tube, a fluorescent layer, a discharging gas and two electrodes is provided. The fluorescent layer is disposed on an inner wall of the tube. The fluorescent layer has a plurality of patterned grooves to form a serial number. The discharging gas is distributed in the tube. In addition, the...
The invention relates to a lamp base having fastening means for a lamp vessel, having a base part that consists of an electrically insulating material and that is equipped with at least two first electric contacts that serve the power supply of at least one luminous means, wherein said base part has at least two second...
A first set of orange LEDs with a peak wavelength emission of about 612 nanometers, a second set of red light emitting LEDs with a peak wavelength of about 660 nanometers, and blue light LEDs. Two beam spreads, 15° and 30°, were provided for both the 660 nm LEDs and 612 nm LEDs. When directed perpendicularly upon top...
A lamp including a first case, a second case, a lamp bottom and a pair of friction units is provided. The second case has a first sidewall and a second sidewall perpendicularly to the first sidewall. The first sidewall has a first positioning portion extending along a normal direction to the first sidewall, and the sec...
A method for operating a high pressure discharge lamp with the aid of a high frequency signal is disclosed. The high pressure discharge lamp comprises at least one first ( 14 a ) and one second electrode ( 14 b ), the first ( 14 a ) and the second electrodes ( 14 b ) being arranged in such a way that the electr...
An automotive lamp includes an LED, a substrate that mounts the LED, a reflector that reflects the light emitted from the LED, and an projection lens having an incident surface, which receives the light reflected by the reflector, and an emission surface that emits the light toward a front area of the automotive lamp. ...