Title:
LED電球
Document Type and Number:
Japanese Patent JP5566822
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an LED lamp with improved color rendering and reduced glaring.SOLUTION: The LED lamp 1 includes an LED module 2, a substrate section 3 on which the LED module is mounted, and a globe 4 attached to the substrate section 3. The LED module 2 is equipped with LED chips 8 mounted on a base plate 7 for ultraviolet or violet emission. A lighting circuit and a base 6 are arranged in the substrate section 3. On an inner face of the globe 4, an ultraviolet or violet light absorption layer 9 including at least one kind out of particles selected from zinc oxide, cerium oxide, and titanium oxide is arranged, as well as a fluorescent film 10 which emits white light by absorbing the ultraviolet or violet light emitted from the LED chips 8.
Inventors:
Hajime Takeuchi
Kyomasa Oya
Hiroyasu Kondo
Tatsunori Itaga
Kyomasa Oya
Hiroyasu Kondo
Tatsunori Itaga
Application Number:
JP2010205205A
Publication Date:
August 06, 2014
Filing Date:
September 14, 2010
Export Citation:
Assignee:
Toshiba Corporation
Toshiba Materials Co., Ltd.
Toshiba Materials Co., Ltd.
International Classes:
F21S2/00; C09K11/00; C09K11/08; C09K11/59; C09K11/73; C09K11/84; F21V3/04; F21V9/06; F21V9/16; F21V23/00; F21Y101/02
Domestic Patent References:
| JP2010129300A |
Attorney, Agent or Firm:
Patent Business Corporation Sakura International Patent Office