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US 2018/0003347 A1Published application
Led lamp
AssigneeRohm Co., Ltd.
InventorYasaku KAWABATA
Life of this patent
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Abstract
An LED lamp A includes a plurality of LED modules 2 each including an LED chip 21, and a support member 1 including a support surface 1a on which the LED modules 2 are mounted. The LED modules 2 include a plurality of kinds of LED modules, or a first through a third LED modules 2A, 2B and 2C different from each other in directivity characteristics that represent light intensity distribution with respect to light emission directions. This arrangement ensures that the entire surrounding area can be illuminated with sufficient brightness.
Claims17
1-20. (canceled)
An LED module comprising:
- a substrate having a first surface and a second surface opposite to the first surface;
- an LED chip disposed on the first surface of the substrate;
- and
- first and second terminals that are disposed on the second surface of the substrate,
- wherein the first terminal has a first side and a second side opposite to the first side, the second terminal has a third side and a fourth side opposite to the third side,
- the second side of the first terminal has first and second projections that project to a side opposite to the second terminal side,
- the fourth side of the second terminal has third and fourth projections that project to a side opposite to the first terminal side,
- the first projection comprises a first projection edge facing the second projection, and a second projection edge opposite to the first projection edge,
- the second projection comprises a third projection edge facing the first projection, and a fourth projection edge opposite to the third projection edge,
- the second projection edge is parallel to the fourth projection edge,
- the third projection comprises a fifth projection edge facing the fourth projection, and a sixth projection edge opposite to the fifth projection edge,
- the fourth projection comprises a seventh projection edge facing the third projection, and an eighth projection edge opposite to the seventh projection edge, and
- the sixth projection edge is parallel to the eighth projection edge.
10 more elements
Dependencies are inferred from the claim text.