Title:
LIGHT SOURCE DEVICE
Document Type and Number:
Japanese Patent JP2015053449
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a light source device capable of achieving a desired illuminance distribution.SOLUTION: A light source device includes: a first light emission unit having a plurality of LEDs arranged in a form capable of integrally controlling a power supply amount; a second light emission unit having a plurality of LEDs and arranged independent of the first light emission unit at a place different from the first light emission unit, in a form capable of integrally controlling a power supply amount; a storage unit for storing information in which an illuminance distribution at a predetermined irradiated position when lit while each power supply amount to the first and second light emission units is changed is associated with an electric control value based on the power supply amount; and a control unit for calculating respective electric control values to the first and second light emission units on the basis of the information stored in the storage unit, and for independently controlling power supply to the first and second light emission units according to the calculation result.
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Inventors:
KINOSHITA JUNICHI
MATSUSHIMA TAKEO
MATSUSHIMA TAKEO
Application Number:
JP2013186593A
Publication Date:
March 19, 2015
Filing Date:
September 09, 2013
Export Citation:
Assignee:
USHIO ELECTRIC INC
International Classes:
H01L21/027; F21S2/00; F21V23/00; G02B3/00; G02B19/00
Attorney, Agent or Firm:
Patent business corporation ユニアス international patent firm