Light display and method of forming the same

Details Light display and method of forming the same Light display and method of forming the same

1996-10-02

1999-05-11

Nguyen, Chanh

Computer graphics processing and selective visual display system

Plural physical display element control system

Segmented display elements

345 34, G09G3/14

Patent

active

059032448

ABSTRACT:
An alpha-numeric display arrangement, designed to be vandal-proof, has an opaque mould plate mounted on the reverse of a metal front plate. Elongate apertures in the front plate each form one of a plurality of segments of the alpha-numeric display. Elongate apertures in the mould plate are each accurately aligned with a respective one of the apertures in the front plate. Molten transparent material is introduced to a required level in each of the contiguous aperture pairs. A space is left above the solidified material in which a light emitting diode mounted on a lighting board is received. Thus, each of the apertures is provided with a light emitting diode which is in optical communication with the transparent material provided within each of the apertures.

REFERENCES:
patent: 3204234 (1965-08-01), Nakauchi
patent: 3675242 (1972-07-01), Hammell
patent: 3837102 (1974-09-01), Golay
patent: 3911423 (1975-10-01), Arndt et al.
patent: 3918053 (1975-11-01), Towne et al.
patent: 4623882 (1986-11-01), Nixon
patent: 5036440 (1991-07-01), Takii et al.

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