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US 6,888,723 B2Granted
LED lamp apparatus
AssigneeToyoda Gosei Co., Ltd.
InventorsTakayuki Kamiya, Kazushi Noda, Mitsuhiro Nawashiro, Hiroshi Ito, Akihiro Misawa
Life of this patent
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Abstract
An LED lamp apparatus comprises LED, a circuit member, and a case member. The case member has an LED seat for holding the LED. The circuit member has metal plates embedded in the case member. The metal plates have LED connection members exposed from the case member. The LED connection members have been resistance welded respectively to leads of the LED.
Claims26
A light-emitting diode (LED) lamp apparatus, comprising:
- an LED;
- a circuit member, and
- a case member, said case member including an LED seat for holding said LED,
- wherein said circuit member includes metal plates embedded in said case member, said metal plates including LED connection members that are exposed and extend beyond said case member and are disposed directly beneath said LED, said LED connection members being electrically connected respectively to leads of said LED, and
- wherein said LED seat comprises an inner tapered surface surrounding said LED at its upper end, the inner tapered surface being extended upwardly.
2 more elements
A light-emitting diode (LED) lamp apparatus, comprising:
- an LED including leads;
- a case member, said case member comprising an LED seat for holding said LED;
- and
- a circuit member comprising a metal plate,
- wherein said circuit member includes first lead connection members that are exposed and disposed directly beneath said LED and to which said leads of said LED are connected, second lead connection members to which leads of an electrical element are connected, and terminals that are connected to an outer circuit,
- wherein said LED seat comprises an inner tapered surface surrounding said LED at its upper end, the inner tapered surface being extended upwardly, and
- wherein said first lead connection members radiate heat from said LED.
4 more elements
A light-emitting diode (LED) lamp apparatus, comprising:
- an LED including leads;
- a case member, said case member comprising an LED seat for holding said LED;
- and
- a circuit member embedded in a case member,
- wherein said circuit member includes LED connection members, which extend beyond said case member and are disposed directly beneath said LED, and
- wherein said LED seat comprises an inner tapered surface surrounding said LED at its upper end, the inner tapered surface being extended upwardly.
3 more elements
A light-emitting diode (LED) lamp apparatus, comprising:
- an LED;
- a circuit member;
- and
- a case member, said case member including an LED seat for holding said LED,
- wherein said circuit member includes metal plates embedded in said case member, said metal plates including LED connection members that are exposed and, extend beyond said case member to dissipate heat, said LED connection members and corresponding leads of said LED including a weld portion that electrically connects said LED connection members and said corresponding leads, and
- wherein said LED seat comprises an inner tapered surface surrounding said LED at its upper end, the inner tapered surface being extended upwardly.
3 more elements
A light-emitting diode (LED) lamp apparatus, comprising:
- an LED including leads;
- a case member, said case member comprising an LED seat for holding said LED;
- and
- a circuit member comprising a metal plate,
- wherein said circuit member includes:
- first lead connection members that are exposed, in which first weld portions connect said first lead connection members and said leads,
- second lead connection members, in which second weld portions connect said second lead connection members and said leads;
- and
- terminals that are connected to an outer circuit.
- wherein said first lead connection members radiate heat from said LED, and
- wherein said LED seat comprises an inner tapered surface surrounding said LED at its upper end, the inner tapered surface being extended upwardly.
8 more elements
A light-emitting diode (LED) lamp apparatus, comprising:
- an LED including leads;
- a case member said case member comprising an LED seat for holding said LED;
- and
- a circuit member embedded in a case member,
- wherein said circuit member includes LED connection members, which extend beyond said case member, and said LED connection members and said leads include weld portions that connect said LED connection members and said leads, and
- wherein said LED seat comprises an inner tapered surface surrounding said LED at its upper end, the inner tapered surface being extended upwardly.
3 more elements
Dependencies are inferred from the claim text.