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
AUTOMOTIVE LIGHTING UNIT WITH OLED LIGHT SOURCE AND RELATED OPERATING METHOD
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
2020-10-08
Patent
Elektronische Ressource
Japanisch
IPC: | H05B ELECTRIC HEATING , Elektrische Heizung / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein |
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