LED lamp having particular lead arrangement

Active solid-state devices (e.g. – transistors – solid-state diode – Encapsulated

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257666, 257 81, 257 82, 313499, H01L 2348, H01L 2312

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active

052182339

ABSTRACT:
The semiconductor of the present invention includes the first lead electrode having a tip portion on which a plurality of semiconductor elements are arranged, a plurality of the second lead electrodes each having a tip portion located close to the tip portion of the first lead electrode, bonding wires for electrically connecting the semiconductor elements and the tip portions of the second lead electrodes with each other, and a mold resin for covering at least the tip ends of the first and second lead electrodes. Further, the invention is characterized in that the second lead electrodes are not arranged in a straight line in the plane common to the end surfaces thereof, and that the second lead electrodes are arranged in a straight line in a plane which is parallel to any of the end surfaces thereof.

REFERENCES:
patent: 3444440 (1969-05-01), Bell et al.
patent: 3564352 (1968-12-01), Lehner
patent: 4375606 (1983-03-01), DiLeo et al.
patent: 4878107 (1989-10-01), Hopper et al.
Patent Abstracts of Japan, vol. 10, No. 332, (E-453) [2388], Nov. 12, 1986, & JP-A-61-139079, Jun. 26, 1986, I. Matsumoto, "Semiconductor Light-Emitting Display Device".
Patent Abstracts of Japan, vol. 9, No. 10, (E-290) [1733], Jan. 17, 1985, & JP-A-59-159577, Sep. 10, 1984, I. Matsumoto, "Electrode Member for Semiconductor Light Emitting Display and Manufacture Thereof".
Patent Abstracts of Japan, vol. 10, No. 145, (E-407) [2202], May 28, 1986, & JP-A-61-7673, Jan. 14, 1986, S. Tsuru, et al. "Lead Frame".
Patent Abstracts of Japan, vol. 7, No. 158, (E-186) [1303], Jul. 12, 1983, & JP-A-58-66374, Apr. 20, 1983, I. Fukuda, "Light Emitting Diode".

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