Light emitting device mounting arrangement

Details Light emitting device mounting arrangement Light emitting device mounting arrangement

1975-10-23

1977-03-22

Kominski, John

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

313112, 313512, 350167, H05B 3302

Patent

active

040139158

ABSTRACT:
A mounting scheme designed to provide enhanced brightness and off-axis viewing of a discrete light emitting device is described. The device is placed within a cavity with reflecting side walls. Situated above the cavity is a contrast filter which has formed therein a plurality of spherical lenses. The lens arrangement is designed to produce an array of discrete images of the device separated by dark areas in order to increase the visibility of the device. The cavity side walls reflect onto the lenses light which would not normally be incident thereon thereby further enhancing visibility and permitting good off-axis viewing.

REFERENCES:
patent: 3512027 (1970-05-01), Kupsky
patent: 3555335 (1971-01-01), Johnson
patent: 3739217 (1973-06-01), Bergh et al.
patent: 3764862 (1973-10-01), Jankowski
patent: 3780357 (1973-12-01), Haitz
patent: 3786499 (1974-01-01), Jankowski et al.
patent: 3816847 (1974-06-01), Nagao
patent: 3821590 (1974-06-01), Kosman
patent: 3863075 (1975-01-01), Ironmonger
patent: 3876900 (1975-04-01), Amatsuka

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