LED lamp and LED lamp apparatus

• US 20060261362A1
• Filed: 05/17/2006
• Published: 11/23/2006
• Est. Priority Date: 05/19/2005
• Status: Abandoned Application

• Current Assignee: Toyoda Gosei Company Limited (Toyota Motor Corporation)
• Original Assignee: Toyoda Gosei Company Limited (Toyota Motor Corporation)
• Inventors: Kamiya, Takayuki, Sano, Yoshio, Noda, Kazushi
• Application Number:
  US11/435,278
• Publication Number:
  US 20060261362A1
• Time in Patent Office: Days
• US Class Current: 257/98
• CPC Class Codes: H01L 2224/48091 Arched
• CPC Class Codes: H01L 2224/48247 connecting the wire to a bond pad of the item
• CPC Class Codes: H01L 25/167 comprising optoelectronic devices, e.g. LED, photodiodes
• CPC Class Codes: H01L 2924/00014 the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
• CPC Class Codes: H01L 33/62 Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls

Abstract

An LED lamp has: a sealing member; first, second and third leads, a part of the first, second and third leads being surrounded by the sealing member; an LED chip mounted on the first lead; and a wire disposed connecting the second lead and the LED chip. The third lead is connected through an electrical path to the first or second lead.

Claims

1. An LED lamp, comprising:

a sealing member;

first, second and third leads, a part of the first, second and third leads being surrounded by the sealing member;

an LED chip mounted on the first lead;

a wire disposed connecting the second lead and the LED chip,

wherein the third lead is connected through an electrical path to the first or second lead.

2. The LED lamp according to claim 1, wherein:

a terminal is formed by an end of the third lead and an end of the first or second lead not connected through the electrical path to the third lead.

3. The LED lamp according to claim 1, wherein:

the electrical path comprises a resistor element, and

the resistor element is disposed connecting the first or second lead and the third lead.

4. The LED lamp according to claim 1, wherein:

the first lead comprises its end surrounded by the sealing member and disposed at a center of the LED lamp.

5. An LED lamp apparatus, comprising:

the LED lamp as defined in claim 2;

and

a case portion that houses the firsts second and third leads,

wherein the terminal protrudes from the case portion.

6. The LED lamp apparatus according to claim 5, wherein:

the first, second and third leads form a circuit portion inside the case portion.