illuminating display systems, illuminating display devices, system, device

Illuminating display systems, illuminating display products and equipments

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Illuminating Display Device

An illuminating device and an information-processing device are projected to increase the portability of the reflex liquid crystal display. According to the present invention, in the display unit prepared with the reflex liquid crystal display of the notebook PC which is an information processing device, since the illuminating device, that is the front light unit having the predetermined light source and the light guiding plate to guide the light to be obtained from the light source is attached removable free so that the light will be irradiated evenly over the entire surface of the display screen of the reflex liquid crystal display via the light guiding plate.

Incandescent Lamps:

Relatively high power consumption (mostly heat).
Prone to catastrophic failure due to vibration
Low cost, but needs light guide for uniformity
Size/space limitations

LED – Light Emitting Diodes
Low cost, but needs light guide for uniformity
Long life, solid state
Relatively high power consumption
Portable phone keypad & LCD >= 60m A v. 20mA for EL
Size/space limitations

Neon

Requires high voltage
Fragile glass
Difficult to ship
Cant' be used near food service
Expensive to repair/maintain
Size/space limitations

Illuminating Display Device

The present invention includes an illuminated sign display assembly comprising, a transparent panel having two oppositely facing planar surfaces separated by a surface forming a linear edge between said oppositely faced surfaces, one of said oppositely facing surfaces adapted to support a sign; a light source on or adjacent to said linear edge for transmitting light between said opposite facing surfaces; characterized in that at least one of said oppositely facing surfaces has applied thereon at least one single continuous line forming a matrix extending substantially over the entire surface of said at least one of said oppositely facing surfaces. The applicants have found that the sign display assembly of the present invention enables even distribution of transmitted light and effectively illuminates the entire panel even at distances remote from the light source.

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