JPH01241702A - Small size cathode fluorescent lamp unit - Google Patents

Abstract

PURPOSE:To obtain a small size fluorescent tube unit of a low cost and a high efficiency by using a reflection plate as a proximity conductor of the cathode fluorescent tube concurrently. CONSTITUTION:A fluorescent lamp unit is formed of a resin, and consists of a reflection plate box 10 having a cuttings 11 to hold a fluorescent lamp and applying a coating to the inner side and the cuttings 11, and a cathode fluorescent tube with no proximity conductor. As a result, when the fluorescent tube 12 is inserted to the cuttings 11 of the reflection plate box 10, an electrode at one side of the fluorescent tube is linked electrically to the reflection plate box. Since the reflection plate box acts as the proximity conductor ot the fluorescent tube concurrently, the loss of luminous light owing to the presence of the proximity conductor is eliminated, and the cost of parts and the cost of installation of the proximity conductor can be curtailed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a compact cathode fluorescent lamp unit.

[Conventional technology]

In conventional compact cathode fluorescent tubes built into equipment, a reflector plate, which is a separate component from the cathode fluorescent tube, is disposed behind the light source in order to efficiently utilize the light from the light source.

Furthermore, in the case of cathode tubes, a nearby conductor was placed outside the IZ 1M tube to facilitate discharge during lighting.

[Problem to be solved by the invention]

Therefore, relative positioning of the cathode fluorescent tube and the reflector is important, and problems include the cost of fixtures for fixing them at optimal positions, and the cost of the process required for positioning.

Furthermore, regarding the adjacent conductor of the cathode tube, a conductor tape is glued to the outside of the cathode ray tube, which is a manual process, which increases the cost of the cathode tube. Furthermore, since the proximity conductor tape adhered to the surface of the cathode tube does not transmit light, there is a problem in that light from the light source is lost.

In view of the above-mentioned problems, the present invention is an inexpensive and high-performance method that forms a proximal conductor without adhering a proximal 4-piece tape to the surface of the cathode tube, and that allows easy positioning of the reflector and the cathode fluorescent tube. The purpose is to provide 22 efficient compact fluorescent tubes.

[Means to solve the problem]

The small cathode fluorescent lamp unit of the present invention is formed of resin and has a notch for holding the small cathode fluorescent lamp,
and a reflector box whose inside and the notch are plated, and a cathode fluorescent tube in which electrodes are formed with a constant width on both outer ends of the tube, and there are no adjacent four bodies, and the reflector box as described above. By holding the cathode tube in the notch, the electrode on one side of the cathode tube is electrically connected to the reflector box.

〔Example〕

Examples will be described below with reference to the drawings.

FIG. 1 is an external view of a compact cathode fluorescent lamp unit of the present invention. Reference numeral 10 denotes a reflector box, and the curved inner surface thereof is formed in a curved shape so as to most efficiently reflect light from the light source of the cathode fluorescent tube 12 to the front. Furthermore, notches are formed at both ends of the reflector box 10,
The width of the cut is set to a value that allows the cathode fluorescent tube to be installed smoothly, based on the diameter of the target cathode fluorescent tube. Furthermore, the depth of the cut is such that when the cathode fluorescent tube is inserted all the way along the cut, the reflector box 1
The cutting depth value is set so as to optimally position the light reflectance to the maximum value with respect to the curved shape of the internal reflection surface of 0.

Further, the inner surface of the reflector box 10 and the small cathode tube mounting surface 11 in the notch at the end are plated and electrically connected.

12 is small! ! ! It is a cathode fluorescent tube, and 13 and 14 indicate its electrodes.

In the small cathode fluorescent lamp unit of the present invention, one of the small fluorescent tubes 12 is ? I! The pole 13 is in contact with the plated notch of 11, and the other electrode 14 is disposed at a position not in contact with the notch of the reflector box 1o. Therefore, only one electrode of the cathode fluorescent tube 12 is electrically connected to the plated portion on the inner surface of the reflector box.

Furthermore, the small cathode tube used in the small cathode fluorescent lamp unit of the present invention does not use a proximal conductor tape on its surface.

〔Effect of the invention〕

By adopting the structure of the present invention for a compact cathode fluorescent lamp unit to be incorporated into equipment, the reflector box is small and doubles as four adjacent cathode fluorescent lamps, so 1. Loss of emitted light due to the conventional four adjacent lamps is reduced. 2. Conventional near-If! 'It is possible to reduce parts costs and casting costs for the W body, and since the reflector box also serves as a fixture for the small cathode fluorescent tube, it is easy to fix the fluorescent tube and the reflector in accurate relative positions. can.

[Brief explanation of the drawing]

FIG. 1 is a diagram illustrating a compact cathode fluorescent lamp unit of the present invention. 10...Reflector box 11...Fluorescent tube holder 12...Fluorescent tube 13.14...Electrodes of a small cathode fluorescent tube Figure 2 shows a conventional small cathode fluorescent tube. Figure 20: 4 or more objects in close proximity Applicant: Seiko Epson Corporation

Claims (1)

[Claims] A compact cathode fluorescent tube having no adjacent conductor and a reflective plate made of resin and plated on the surface are integrated, and an electrode at one end of the small cathode fluorescent tube and the reflective plate A compact cathode fluorescent lamp unit characterized in that it is arranged and configured so that the lamps are electrically connected to each other.