Display apparatus

Details Display apparatus Display apparatus

1998-07-30

2001-01-16

Nguyen, Thong (Department: 2872)

Illumination

Illuminated scale or dial

C362S800000

Reexamination Certificate

active

06174063

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to a new and improved display apparatus and more specifically to a display apparatus having a solid state light-emitting element which provides light transmitted to a viewer.
Many different known types of display apparatus have utilized solid state light emitting elements, such as light emitting diodes, as light sources. These solid state light emitting elements (LEDs) have previously been surface mounted with a major side surface of the light emitting element facing toward a base. This results in the base blocking the transmittal of light from one side of the solid state light-emitting element to a viewer.
SUMMARY OF THE INVENTION
The present invention relates to a new and improved display apparatus having solid state light emitting element as a source of light. The solid state light emitting element is mounted on a base with opposite major sides of the solid state light emitting element exposed. This enables light to be transmitted from opposite sides of the solid state light-emitting element to a viewer. A housing of the display apparatus includes a base on which the solid state light emitting element is supported in an on-edge orientation by a pair of support pins.
A display section of the housing may contain a recess in which the solid state light emitting element and, if desired, a filter assembly, are disposed. Light transmitted from opposite major side surfaces of the solid state light emitting element is conducted through transparent material of the display section to a translucent display surface.


REFERENCES:
patent: 4803599 (1989-02-01), Trine et al.
patent: 5140220 (1992-08-01), Hasegawa
patent: 5531181 (1996-07-01), Cookingham

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