Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate
2011-08-23
2011-08-23
Patel, Nimeshkumar D (Department: 2879)
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
C313S498000
Reexamination Certificate
active
08004174
ABSTRACT:
A light-emitting device includes four or more rows of element groups each having light-emitting elements arranged in a first direction, the element groups being arranged in parallel in a second direction different from the first direction. In each of a plurality of unit regions arranged in the first direction, the light-emitting elements belonging to the four or more rows of element groups are arranged at different positions by ones. The four or more rows of element groups includes a first element group, a second element group, and a third element group adjacent to the second element group. In each of the plurality of unit regions, the light-emitting element belonging to the second element group is disposed on one side in the first direction when viewed from the light-emitting element belonging to the first element group, and the light-emitting element belonging to the third element group is disposed on the other side in the first direction when viewed from the light-emitting element belonging to the first element group.
REFERENCES:
patent: 7439667 (2008-10-01), Ohtani
patent: 2005/0127819 (2005-06-01), Ohtani
patent: A-08-108568 (1996-04-01), None
Oliff & Berridg,e PLC
Patel Nimeshkumar D
Raleigh Donald L
Seiko Epson Corporation
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