LED lamp device

Details LED lamp device LED lamp device

2007-08-14

2008-10-14

Ward, John A (Department: 2885)

Illumination

Plural light sources

With support

C362S218000, C362S294000

Reexamination Certificate

active

07434959

ABSTRACT:
An LED lamp device has a lamp seat, in which a lamp trough is formed by being recessed inwardly, and the inner edge surface of the lamp seat is formed as an arc surface. The front and rear parts in longitudinal direction of the lamp trough are also bent inwardly. Three rows of lamp set are arranged along the longitudinal sides in the lamp trough. These lamp sets have a plurality of LEDs as light-emitting elements. The lamp sets at left and right rows are inclined inwardly according to the curvature of the inner edge surface. In the meantime, the lamp sets at front and rear sides of one row are also inclined inwardly. Under this arrangement, the plural lamp sets not only can enhance the illumination of the lamp, but also can concentrate its light-emitting operation, for solving a shortcoming of light dispersal in most light sources.

REFERENCES:
patent: 6871993 (2005-03-01), Hecht
patent: 7314291 (2008-01-01), Tain et al.
patent: 2007/0070628 (2007-03-01), Chen
patent: 2008/0002399 (2008-01-01), Villard et al.
patent: 2008/0080188 (2008-04-01), Wang

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