AUTOMOTIVE LIGHTING UNIT WITH OLED LIGHT SOURCE AND RELATED OPERATING METHOD

To provide an automotive lighting unit with an OLED light source and a related operating method.SOLUTION: An automotive lighting unit 1 includes a lighting device 4 with one or more OLED light sources 8, and an electronic device 12 configured to control the OLED light source 8 by a pilot signal P1 h...

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Hauptverfasser:	GIULIO MANFREDA, CARLOTTA BURCOVICH, SARA PADOVANI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING ORSUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES INGENERAL ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	To provide an automotive lighting unit with an OLED light source and a related operating method.SOLUTION: An automotive lighting unit 1 includes a lighting device 4 with one or more OLED light sources 8, and an electronic device 12 configured to control the OLED light source 8 by a pilot signal P1 having a falling interval in which the pilot signal P1 changes between a high value Vmax and a low value Vmin, determine an electricity amount VS indicating the electrical behavior of the OLED light source 8 at a measurement time interval toff following the falling interval of the pilot signal P1, and determine the failure state of the OLED light source 8 on the basis of the electricity amount VS.SELECTED DRAWING: Figure 2 【課題】ＯＬＥＤ光源を備えた自動車照明ユニット及び関連する操作方法の提供。【解決手段】１つ又は複数のＯＬＥＤ光源８を備えた照明装置４と、パイロット信号Ｐ１が高値Ｖｍａｘと低値Ｖｍｉｎとの間で変化する立ち下がり区間を有するパイロット信号Ｐ１によってＯＬＥＤ光源８を制御し、パイロット信号Ｐ１の立ち下がり区間に続く測定時間間隔ｔｏｆｆでのＯＬＥＤ光源８の電気的挙動を示す電気量ＶＳを判定し、電気量ＶＳに基づいてＯＬＥＤ光源８の故障状態を判定するように構成された電子装置１２と、を備える自動車照明ユニット１。【選択図】図２