Phosphor based light source component

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US007394188B2

(12) United States Patent

Ouderkirk et al.

(io) Patent No.: (45) Date of Patent:

US 7,394,188 B2 *Jul. 1, 2008

(54) PHOSPHOR BASED LIGHT SOURCE COMPONENT

(75) Inventors: Andrew J. Ouderkirk, Woodbury, MN (US); John A. Wheatley, Lake Elmo, MN (US)

(73) Assignee: 3M Innovative Properties Company,

St. Paul, MN (US)

( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.

This patent is subject to a terminal disclaimer.

(21) Appl.No.: 11/735,137

(22) Filed: Apr. 13, 2007

(65) Prior Publication Data

US 2007/0182299 Al Aug. 9, 2007

Related U.S. Application Data

(62) Division of application No. 10/726,790, filed on Dec. 2, 2003, now Pat. No. 7,210,977.

(60) Provisional application No. 60/443,232, filed on Jan. 27, 2003, provisional application No. 60/443,235, filed on Jan. 27, 2003, provisional application No. 60/443,274, filed on Jan. 27, 2003.

(51) Int. CI.

H01J 5/16 (2006.01)
H01J1/62 (2006.01)

(52) U.S. CI 313/110; 313/113; 313/114;

313/512; 313/502; 313/487; 359/498; 359/500

(58) Field of Classification Search None

See application file for complete search history.

(56) References Cited

U.S. PATENT DOCUMENTS 4,882,617 A 11/1989 Vriens

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