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Patent Searching and Data


Title:
LIGHT EMITTING MODULE AND LIGHT EMITTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/118258
Kind Code:
A1
Abstract:
[Problem] To provide a light emitting device and a light emitting module that can reduce luminance fluctuations and reduce the amount of an increase in voltage consumption. [Solution] In the present invention the following are provided: a current adjusting unit connected in parallel via a switch to at least one light emitting panel which emits light using luminance according to a supplied current value based on power supply, and for adjusting the current value supplied to the light emitting panel; a voltage measuring unit for measuring the voltage applied, based on the power supply, to the light emitting panel; and a switch control unit for turning the switch on or off in accordance with the applied voltage that was measured.

Inventors:
TSUJI TAISHI (JP)
Application Number:
PCT/JP2012/052856
Publication Date:
August 15, 2013
Filing Date:
February 08, 2012
Export Citation:
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Assignee:
PIONEER CORP (JP)
TSUJI TAISHI (JP)
International Classes:
H05B37/02; F21S2/00; H01L51/50; H05B44/00; F21Y105/00
Foreign References:
JP2008097994A2008-04-24
JP2011138716A2011-07-14
JP2010212116A2010-09-24
Attorney, Agent or Firm:
FUJIMURA PATENT BUREAU, P. C. (JP)
Patent business corporation Toson joint patent firm (JP)
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