Title:
LIGHT SOURCE
Document Type and Number:
Japanese Patent JPS6217904
Kind Code:
A
Abstract:
A light source which is capable of improving lightening efficiency is disclosed. The light source includes a phosphor layer provided at a part of a filter arranged adjacent to a light emitting lamp or arranged so as to serve as a reflection layer so that it may transmit light of the lamp required and be excited by a part of light of the lamp to emit light of a visible region to increase the intensity of light discharged from the light source.
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Inventors:
MORIMOTO KIYOSHI
TOKI HITOSHI
TOKI HITOSHI
Application Number:
JP15629085A
Publication Date:
January 26, 1987
Filing Date:
July 15, 1985
Export Citation:
Assignee:
FUTABA DENSHI KOGYO KK
International Classes:
F21S8/10; F21S10/02; F21V7/22; F21V9/08; F21V9/16; F21V11/00; H01K1/26; H01K1/32; (IPC1-7): F21V7/22; F21V9/08
Domestic Patent References:
| JPS5517213U | 1980-02-02 | |||
| JPS51180A | 1976-01-05 | |||
| JPS4735157A | ||||
| JPS50131880U | 1975-10-29 | |||
| JP29007791A |