Title:
LIGHTING SYSTEM FOR MEDICAL CARE
Document Type and Number:
Japanese Patent JP3149402
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a lighting system with safety and long life having a light source advantageous at cost.
SOLUTION: The lighting system is constituted by a LED array 11; a heat slinger in which the LED array 11 is placed on a surface center; an approximately cone cup shaped transparent case 13 projected on a surface side of the heat slinger 12, including the LED array 11; a non-spherical lens 14 as a dimmer means provided on a tip end of the transparent case 13. A silicone oil is filled and sealed in the transparent case 13 and the LED array 11 is immersed therein. An uncomfortable heat sense included in a beam of the array 11 is reduced by the silicone oil and is effectively removed by an infrared releasing by the heat slinger 12.
Inventors:
Shosaku Kawada
Hiroshi Ishihata
Hiroshi Ishihata
Application Number:
JP3126199A
Publication Date:
March 26, 2001
Filing Date:
February 09, 1999
Export Citation:
Assignee:
NAKANISHI INC.
International Classes:
F21S2/00; F21S8/00; F21S8/10; F21V5/04; F21V7/22; F21V9/04; F21V9/12; F21V29/00; H01L33/08; H01L33/58; F21W131/20; F21Y101/02; (IPC1-7): F21S2/00
Domestic Patent References:
| JP10233534A | ||||
| JP10208521A | ||||
| JP10165423A | ||||
| JP558909U | ||||
| JP377674B2 |
Attorney, Agent or Firm:
Hajime Sakai