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Patent Searching and Data


Title:
LIGHT EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/040372
Kind Code:
A1
Abstract:
Disclosed is a light emitting device that enables a small and lightweight semiconductor package to be precisely mounted on a packaging substrate. The light emitting device is provided with a semiconductor package (10), which is provided with a first and second conductive member (11, 12), connected to a packaging substrate (20), which is provided with a first and second wiring section (21, 22) with wiring being separately connected to the first and second conductive member. The semiconductor package (10) is equipped with a light emitting element (13), the first conductive member (11) on which the light emitting element (13) is mounted, and the second conductive member (12) which has a smaller area than the first conductive member (11). The reverse of the first and second conductive members (11, 12) form the underside of the semiconductor package (10), and the first and second wiring sections (12, 22) are provided with narrow sections (21b, 22b) and wide sections (21a, 22a) which are wider than the narrow sections and extend in a direction away from the first and second conductive members (11, 12). At least the narrow sections (21b, 22b) are connected in some way to the first and second conductive members (11, 12) and the first wiring section (21) has a recess (21c) inside.

Inventors:
NAKABAYASHI TAKUYA (JP)
Application Number:
PCT/JP2010/066701
Publication Date:
April 07, 2011
Filing Date:
September 27, 2010
Export Citation:
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Assignee:
NICHIA CORP (JP)
NAKABAYASHI TAKUYA (JP)
International Classes:
H01L33/48
Domestic Patent References:
WO2007015426A12007-02-08
Foreign References:
JP2003324214A2003-11-14
JPH0236073U1990-03-08
JP2000012728A2000-01-14
JP2008053423A2008-03-06
JP2006303388A2006-11-02
JP2006156704A2006-06-15
Other References:
See also references of EP 2485284A4
Attorney, Agent or Firm:
Shinjyu Global IP (JP)
fresh green -- a global IP patent business corporation (JP)
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