Light emitting device

Details Light emitting device Light emitting device

2008-09-09

2008-09-09

Ward, John A (Department: 2885)

Illumination

Illuminated scale or dial

Edge illuminated modifier or light rod/pipe

C362S249070, C362S800000, C257S099000

Reexamination Certificate

active

11709756

ABSTRACT:
A light emitting device comprises: a light emitting element; a plurality of lead frames to which the light emitting element is electrically connected; and a package that includes in its interior at least part of said lead frames which protrude outward at one end, that is equipped with an opening for taking off light from the light emitting element, and that extends in the lengthwise direction, wherein a concave portion is formed in the outer surface of at least part of the package wall, the lead frames protruding outward from the package are accommodated in this concave portion, and the walls that constitute said opening and are across from each other in the widthwise direction of the package comprise at least a first wall that is across from the light emitting element, a second wall that is raised up by a step from the first wall, and a third wall that links the first wall and the second wall, and the second wall and third wall are formed thicker than the first wall.

REFERENCES:
patent: 5769521 (1998-06-01), Osawa et al.
patent: 6531328 (2003-03-01), Chen
patent: 2005/0286299 (2005-12-01), Tomita et al.
patent: H09-298263 (1997-11-01), None
patent: 2006-24345 (2006-01-01), None

Affiliated with

Also associated with

Rating

Light emitting device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Light emitting device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Light emitting device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3937239