Illumination – Light source or light source support and luminescent material
Reexamination Certificate
1999-09-10
2001-05-01
Sember, Thomas M. (Department: 2875)
Illumination
Light source or light source support and luminescent material
C362S806000, C362S235000, C362S249070, C362S184000, C362S230000
Reexamination Certificate
active
06224224
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a large distributed cold-light pattern device, especially to a large distributed cold-light pattern device such as the large cold-light signboard with size exceeding working range of general printing machines and the cold-light signboard having distributed luminous regions.
BACKGROUND OF THE INVENTION
The mass production technology of conventional large electrically excited luminescent devices is mature. There are already signboards using electrically excited luminescent devices. Due to their characteristics of ultra-thinness and softness, the electrically excited luminescent devices have difficulty when used in commercialized signboards. Moreover, the cold-light plate usually can not be separated into several cold-light units for assembly. Therefore, the size of cold-light signboards can not be large due to limited material cost. The lead-out line terminal on the back of the cold-light plate usually exceeds outer edge of the cold-light plate, so more space is needed and the ensemble delicacy is destroyed. It is not suitable to the assembly line process. Also, accessory devices such as the converter used in the cold-light signboard usually can not be integrated with the cold-light signboard, resulting in inconvenient usage.
SUMMARY OF THE PRESENT INVENTION
Accordingly, the primary object of the present invention is to provide a large distributed cold-light pattern device comprising from front to back a transparent plate, a color excited layer, a plurality of cold-light units, a plurality of soft cables, a back plate, a cold-light control circuit board, at least a converter, and a power supply. The color excited layer covers on the back of the thicker transparent plate having supporting function. Each cold-light unit is affixed to its desired place on the back of the transparent plate and is linked with the color excited layer. The lead-out line terminal of each cold-light unit is individually connected outwards to each soft cable to let the lead-out line terminal not exceed outer edge of each cold-light unit. The overlapping part of each cold-light unit and each soft cable is then laminated to maintain the ensemble delicacy and to save material for production process. Several holes are dug on the back plate to place the cold-light control circuit board and each converter for assembling into a single body.
The various objects and advantages of the present invention will be more readily understood from the following detailed description when read in conjunction with the appended drawing, in which:
REFERENCES:
patent: 4443832 (1984-04-01), Kanamori et la.
patent: 4494326 (1985-01-01), Kanamori
patent: 5416674 (1995-05-01), Murai
patent: 5557869 (1996-09-01), Douglas
patent: 5957564 (1999-09-01), Bruce et al.
Limate Corporation
Rosenberg , Klein & Lee
Sember Thomas M.
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