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Driving platform for OLED lighting investigations

机译：OLED照明调查的驱动平台

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摘要

OLED technology may be excellently suitable for lighting applications by combining high efficiency, cost effective manufacturing and the use of low cost materials. Certain issues remain to be solved so far, including OLED brightness, color, lifetime, large area uniformity & encapsulation. Another aspect, that might be capable in addressing some of the mentioned issues, is OLED lighting electrical driving. We report on the design of a driving platform for OLED lighting test panels or substrates. It is intended for being a test environment for lighting substrates as well as demonstration/presentation environment. It is based on a 128-channel passive-matrix driver/controller ASIC OC2. Its key component is an MSP430-compatible 16-bit micro-controller core including embedded Flash memory (program), EEPROM (parameter), and RAM (data memory). A significant feature of the device is an electronic approach for improving the lifetime/uniformity behavior of connected OLED. The embedded micro-controller is the key to the high versatility of OC2, since by firmware modification it can be adapted to various applications and conditions. Here its application for an OLED lighting driving platform is presented. Major features of this platform are PC-control mode (via USB interface), stand-alone mode (no external control necessary, just power supply), on-board OLED panel parameter storage, flat geometry of OLED lighting panel carrier (board), AC and DC driving regimes, adjustable reverse voltage, dedicated user SW (PC/Windows-based), sub-tile patterning and single subtile control, combination of multiple channels for increasing driving current. This publication contains results of the project "High Brightness OLEDs for ICT & Next Generation Lighting Applications" (OLLA), funded by the European Commission.
机译：OLED技术可以通过结合高效率，具有成本效益的制造和使用低成本材料而非常适合照明应用。到目前为止，某些问题仍有待解决，包括OLED的亮度，颜色，寿命，大面积均匀性和封装。 OLED照明电驱动可以解决某些上述问题。我们报告了用于OLED照明测试面板或基板的驱动平台的设计。它旨在用作照明基板的测试环境以及演示/演示环境。它基于128通道无源矩阵驱动器/控制器ASIC OC2。它的关键组件是MSP430兼容的16位微控制器内核，包括嵌入式闪存（程序），EEPROM（参数）和RAM（数据存储器）。装置的重要特征是用于改善所连接的OLED的寿命/均匀性的电子方法。嵌入式微控制器是OC2多功能性的关键，因为通过固件修改，它可以适应各种应用和条件。这里介绍了其在OLED照明驱动平台中的应用。该平台的主要功能包括PC控制模式（通过USB接口），独立模式（无需外部控制，只需电源），板载OLED面板参数存储，OLED照明面板载体（板）的扁平几何形状，交流和直流驱动方式，可调节的反向电压，专用用户软件（基于PC / Windows），子图块图案化和单个子图块控制，以及用于增加驱动电流的多个通道的组合。该出版物包含由欧洲委员会资助的“用于ICT和下一代照明应用的高亮度OLED”项目（OLLA）的结果。

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