公开(公告)号：US20200309844A1

公开(公告)日：2020-10-01

申请号：US16832070

申请日：2020-03-27

申请人： Marelli Automotive Lighting Italy S.p.A.

发明人： Carlotta Burcovich ,  Giulio Manfreda ,  Sara Padovani

IPC分类号： G01R31/26 ,  B60Q1/02

摘要： An automobile lighting unit is provided that includes a lighting device provided with one or more OLED light sources, and an electronic device configured in such a way as to control an OLED light source by means of a pilot signal which has a trailing edge wherein the pilot signal varies between a high value and a low value, to determine an electrical quantity indicative of the electrical behaviour of the OLED light source in a measurement time interval (toff) following the trailing edge of said pilot signal, and to determine a failure condition of the OLED light source on the basis of an electrical quantity.

公开(公告)号：US11650243B2

公开(公告)日：2023-05-16

申请号：US16832070

申请日：2020-03-27

申请人： Marelli Automotive Lighting Italy S.p.A.

发明人： Carlotta Burcovich ,  Giulio Manfreda ,  Sara Padovani

IPC分类号： G01R31/26 ,  B60Q1/02

CPC分类号： G01R31/2635 ,  B60Q1/02

摘要： An automobile lighting unit is provided that includes a lighting device provided with one or more OLED light sources, and an electronic device configured in such a way as to control an OLED light source by means of a pilot signal which has a trailing edge wherein the pilot signal varies between a high value and a low value, to determine an electrical quantity indicative of the electrical behaviour of the OLED light source in a measurement time interval (toff) following the trailing edge of said pilot signal, and to determine a failure condition of the OLED light source on the basis of an electrical quantity.

公开(公告)号：US20200309863A1

公开(公告)日：2020-10-01

申请号：US16832051

申请日：2020-03-27

申请人： Marelli Automotive Lighting Italy S.p.A.

发明人： Carlotta Burcovich ,  Giulio Manfreda ,  Sara Padovani

IPC分类号： G01R31/52 ,  G01R31/26 ,  B60Q1/02

摘要： Automotive lighting unit is provided that includes a lighting device equipped with one or more OLED light sources, and an electronic device configured to determine a malfunctioning condition of an OLED light source. The electronic device is suitable to determine a leakage resistance of the OLED light source and determines a malfunctioning condition of the OLED light source based on the leakage resistance.

公开(公告)号：US11209498B2

公开(公告)日：2021-12-28

申请号：US16832051

申请日：2020-03-27

申请人： Marelli Automotive Lighting Italy S.p.A.

发明人： Carlotta Burcovich ,  Giulio Manfreda ,  Sara Padovani

IPC分类号： G01R31/52 ,  B60Q1/02 ,  G01R31/26

摘要： Automotive lighting unit is provided that includes a lighting device equipped with one or more OLED light sources, and an electronic device configured to determine a malfunctioning condition of an OLED light source. The electronic device is suitable to determine a leakage resistance of the OLED light source and determines a malfunctioning condition of the OLED light source based on the leakage resistance.