摘要:
In one embodiment, when the current density at the cathode is less than 0.2 mA/mm2, cathode sputtering is avoided or reduced to such an extent that the life time of the CCFL is not significantly adversely affected. In another embodiment, the internal diameter (ID) of the CCFL tube is within the range of 3 to 16 mm. Preferably, the distance between the anode and cathode is within a range of about 200˜1000 times of the internal diameter of the CCFL tube, and the distances between at least one section of the CCFL tube and two adjacent sections of the CCFL tube is less than about 5 times an outside diameter of the CCFL tube. Preferably, the efficiency of the CCFL is not less than about 55 lm/W.
摘要翻译:在一个实施例中,当阴极处的电流密度小于0.2mA / mm 2时,避免或减少阴极溅射到CCFL的寿命没有受到显着不利影响的程度。 在另一个实施例中,CCFL管的内径(ID)在3至16mm的范围内。 优选地,阳极和阴极之间的距离在CCFL管的内径的约200〜1000倍的范围内,并且CCFL管的至少一个部分与CCFL管的两个相邻部分之间的距离较小 比CCFL管的外径的约5倍。 优选地,CCFL的效率不低于约55lm / W。
摘要:
The present invention provides a ceramic-glass composite electrode and a fluorescent lamp having the same. The ceramic-glass composite electrode according to the present invention is a ceramic-glass composite, which is disposed at the ends of a glass tube of the fluorescent lamp. A stopper is disposed at the end of the glass tube for pushing against the ceramic-glass composite electrode and limiting the position of the ceramic-glass composite electrode slipped on the glass tube. Thereby, flowing of adhesives into the glass tube is avoided when the adhesives are used for gluing the glass tube and the ceramic-glass composite electrode, and hence extending the lifetime of the fluorescent lamp.
摘要:
A lighting device 12 for a display device of the present invention includes tubular light sources 17 provided in a parallel arrangement and covering members 20 that covers respective ends of the tubular light sources 17. Electrodes 41 are provided at ends of the tubular light sources 17. Electrical terminals 24 for electrically connecting to the electrodes 41 are assembled to the covering members 20. Namely, the covering members 20 have an electrical connection function for connecting the tubular light sources 17 to an external power source in addition to a covering function that is its primary function for covering the ends of the tubular light sources 17 so that they are not viewed. With this configuration, efficiency of the assembly work can be improved and reliable power supply to the tubular light sources 17 can be provided.
摘要:
An electrode for a discharge lamp is provided with a mayenite compound in at least a part of the electrode that emits secondary electrons, and the mayenite compound is fired in a vacuum atmosphere with an oxygen partial pressure of 10−3 Pa or less, an inert gas atmosphere with an oxygen partial pressure of 10−3 Pa or less, or a reducing atmosphere with an oxygen partial pressure of 10−3 Pa or less.
摘要:
A cold cathode fluorescent lamp for a backlight of a liquid crystal display device includes a light-transmitting glass tube in which a rare gas and mercury are sealed, and a phosphor film which is formed on an inner peripheral surface of the glass tube. The phosphor film is formed such that a phosphor suspension is formed by mixing phosphors into a suspension produced by strongly stirring a mixed solvent made of butyl acetate and nitrocellulose and by re-stirring the mixture, and the phosphor suspension is applied to the inner peripheral surface of the glass tube by coating.
摘要:
An illumination apparatus includes a base and a C/U-shaped spiral fluorescence tube. The C/U-shaped spiral fluorescence tube is disposed on the base and has a first spiral part, a second spiral part and a C/U-shaped bending part. One end of the first spiral part connects to one end of the C/U-shaped bending part, and the other end of the first spiral part is disposed with an electrode. One end of the second spiral part connects to the other end of the C/U-shaped bending part, and the other end of the second spiral part is disposed with another electrode.
摘要:
A method for manufacturing a cold cathode fluorescent lamp (CCFL) is disclosed. The CCFL includes a light transmitting shell and an electrode disposed at one end of the light transmitting shell. The method includes the steps of exhausting a gas existing inside the light transmitting shell via a vent of the light transmitting shell, charging at least one inert gas into the light transmitting shell, and removing an amalgam, which is initially disposed in a gas adjusting instrument, into a temporal region of the light transmitting shell after the step of exhausting.
摘要:
A cold cathode fluorescent lamp includes: a working gas, a transparent tube, a fluorescent layer, an anode, a cold cathode and a light cut filter film. The transparent tube receives a working gas, and has an inner surface and an outer surface. The fluorescent layer is formed on the inner surface of the transparent tube. The light cut filter film is formed on the outer surface of the transparent tube. The cold cathode is disposed at one end of the transparent tube and the anode is disposed at the other end of the transparent tube. The cold cathode fluorescent lamp can block most part of the ultraviolet lights and infrared lights to irradiate at the light guide plate, whereby the light guide plate has a long service life without following problems such as thermal deformation, deflection, turn color and transformation.
摘要:
A cold cathode fluorescent lamp has an improved heat dissipation characteristic without an overall increase in size, and a lead wire thereof does not readily break.The cold cathode fluorescent lamp (20) includes electrodes (28 and 30) composed of electrode main bodies (28a and 30a) that are located in an interior of a glass bulb (21), a lead wire (28b and 30b), the glass bulb (21) having ends into which the lead wires are sealed, and a heat dissipater (32 and 34) that is provided on an other portion of the lead wire, the other portion being outside the glass bulb 21. The portion of the heat dissipater surrounding the lead wire (28b and 30b) are in contact with the end surfaces (21c and 21d) of the glass bulb, when viewed externally along an extending direction of the lead wire.
摘要:
A monochromic, multi-color and full-color cold cathode fluorescent display (CFD), comprises of some shaped white or multi-color or red, green blue color cold cathode fluorescent lamps (CCFL), reflector, base plate, temperature control means, luminance and contrast enhancement face plate, shades and its driving electronics. CFD is a large screen display device which has high luminance, high efficiency, long lifetime, high contrast and excellent color. CFD can be used for both outdoor and indoor applications even at direct sunlight, to display a character, or graphic and video image.