US Patent No. 9,936,560

ORGANIC EL PANEL CONTROL DEVICE, LIGHT SOURCE DEVICE, ORGANIC EL PANEL CONTROL METHOD, PROGRAM, AND RECORDING MEDIUM


Patent No. 9,936,560
Issue Date April 03, 2018
Title Organic El Panel Control Device, Light Source Device, Organic El Panel Control Method, Program, And Recording Medium
Inventorship Yoshikazu Sakaguchi, Tokyo (JP)
Assignee NEC LIGHTING, LTD., Tokyo (JP)

Claim of US Patent No. 9,936,560

1. An organic EL panel control device comprising:a luminance control unit,
wherein the luminance control unit controls, among a plurality of organic EL elements with different emission colors in an organic EL panel to be controlled, luminances of organic EL elements other than a reference organic EL element having a shortest luminance life in such a manner that, with reference to a luminance of the reference organic EL element, white light produced by additive color mixture of different colors of light emitted from the plurality of organic EL elements has the same color temperature as a previously set color temperature.