Automotive lighting device and a vehicle having the same

• US 9,784,839 B2
• Filed: 11/26/2014
• Issued: 10/10/2017
• Est. Priority Date: 11/26/2014
• Status: Active Grant

• Current Assignee: MAGNA Electronics Solutions GmbH (Magna International Incorporated)
• Original Assignee: MAGNA Electronics Solutions GmbH (Magna International Incorporated)
• Inventors: Graf, Stefan
• Primary Examiner(s): RATCLIFFE, LUKE D
• Application Number:
  US14/554,808
• Publication Number:
  US 20160144770A1
• Time in Patent Office: 1,049 Days
• CPC Class Codes: B60Q 1/0023 the element being a sensor, e.g. distance sensor, camera
• CPC Class Codes: G01S 17/87 Combinations of systems using electromagnetic waves other than radio waves
• CPC Class Codes: G01S 17/931 of land vehicles
• CPC Class Codes: G01S 2013/93277 in the lights

Abstract

An automotive lighting device includes a housing and at least one optical sensor disposed in the housing. The at least one optical sensor is configured to emit an optical signal and generating a data signal in response to a received reflected optical signal.

Claims

1. An automotive lighting device with external obstacle detection, said automotive lighting device comprising:

a headlight disposed at a vehicle equipped with an external obstacle detection system;

wherein said headlight comprises a housing that contains a light source operable to illuminate ahead of the equipped vehicle;

wherein said external obstacle detection system comprises an optical sensor;

wherein said optical sensor is disposed in said housing of said headlight;

wherein said optical sensor is operable to emit an optical signal ahead of the equipped vehicle, and wherein a data signal is generated by said external obstacle detection system in response to a received optical signal reflected back from an obstacle present ahead of the equipped vehicle; and

wherein, responsive to generation of said data signal indicative of presence of the obstacle ahead of the equipped vehicle, brightness of illumination by said light source ahead of the equipped vehicle is increased from a first brightness value to a higher second brightness value to enhance illumination of the obstacle.

2. The automotive lighting device of claim 1, wherein said optical sensor comprises a light detection and ranging sensor.

3. The automotive lighting device of claim 1, wherein said optical sensor is disposed at a reflecting mirror contained in said housing of said headlight, and wherein said reflecting mirror is configured to reflect light emitted from said light source through a transparent surface of said headlight.

4. The automotive lighting device of claim 1, wherein responsive to generation of said data signal indicative of presence of the obstacle ahead of the equipped vehicle, said light source changes a coverage distance of a lighting area ahead of the equipped vehicle for enhancing illumination of the obstacle.

5. The automotive lighting device of claim 1, wherein brightness and at least one of (i) light beam direction and (ii) focus of said headlight is adjusted in response to generation of said data signal indicative of presence of the obstacle ahead of the equipped vehicle.

6. The automotive lighting device of claim 1, wherein a detection angle of said optical sensor includes a degree from 0°

to 180°

horizontally.

7. The automotive lighting device of claim 1, wherein a detection angle of said optical sensor includes a degree from 0°

to 180°

vertically.

8. A vehicular obstacle detection system, said vehicular obstacle detection system comprising:

a plurality of automotive lighting devices installed at a body of a vehicle equipped with said vehicular obstacle detection system;

wherein each of said plurality of automotive lighting devices comprises a housing that contains a light source operable to illuminate exterior of the equipped vehicle;

an optical sensor disposed at the equipped vehicle;

wherein said optical sensor is operable to emit an optical signal exterior of the equipped vehicle and a data signal is generated in response to a received optical signal reflected back from an obstacle present exterior of the equipped vehicle; and

a controller that is operable, responsive to generation of said data signal indicative of presence of the obstacle exterior of the equipped vehicle, to increase brightness of illumination by at least one of said plurality of automotive lighting devices exterior of the equipped vehicle from a first brightness value to a higher second brightness value to enhance illumination of the obstacle.

9. The vehicular obstacle detection system of claim 8, wherein said controller is operable, responsive to generation of said data signal indicative of presence of the obstacle exterior of the equipped vehicle, to extend a coverage distance of a lighting area by at least one of said plurality of automotive lighting devices exterior of the equipped vehicle for enhancing illumination of the obstacle.

10. The vehicular obstacle detection system of claim 8, wherein at least one of (i) light beam direction and (ii) focus of at least one of said plurality of automotive lighting devices is adjusted in response to generation of said data signal to enhance illumination of the obstacle.

11. The vehicular obstacle detection system of claim 8, wherein a detection angle of said optical sensor includes a degree from 0°

to 180°

horizontally.

12. The vehicular obstacle detection system of claim 8, wherein a detection angle of said optical sensor includes a degree from 0°

to 180°

vertically.

13. The vehicular obstacle detection system of claim 8, further comprising a separate control configured to control said optical sensor.

14. The vehicular obstacle detection system of claim 8, wherein said controller is configured to adjust light beam direction of at least one of said plurality of automotive lighting devices in response to said data signal.

15. The vehicular obstacle detection system of claim 8, wherein said controller is operable to deliver an alert message when a distance between the equipped vehicle and the obstacle exterior of the equipped vehicle is shorter than a threshold value.

16. The vehicular obstacle detection system of claim 8, wherein said controller is operable, responsive to generation of said data signal indicative of presence of the obstacle exterior of the equipped vehicle, to generate a 3D image of the obstacle for displaying to a driver of the equipped vehicle.

17. The vehicular obstacle detection system of claim 8, wherein one of said plurality of automotive lighting devices comprises said optical sensor disposed thereat.

18. The vehicular obstacle detection system of claim 8, wherein said optical sensor is disposed at an upper portion of a reflecting mirror of one of said plurality of automotive lighting devices, and wherein a second optical sensor is disposed at a lower portion of said reflecting mirror.

19. An automotive lighting system for a vehicle, said automotive lighting device comprising:

an automotive lighting device disposed at a vehicle equipped with said automotive lighting system;

wherein said automotive lighting device comprises a housing that contains a light source operable to emit a light beam exterior of the equipped vehicle;

a LIDAR sensor disposed in said housing, wherein said LIDAR sensor is operable to emit an optical signal exterior of the equipped vehicle and generate a data signal in response to a received optical signal reflected back from an obstacle present in a scanned field of said LIDAR sensor exterior of the equipped vehicle;

wherein said data signal generated by said LIDAR sensor is indicative of the presence and location of the obstacle in the scanned field exterior of the equipped vehicle; and

a controller that is operable, responsive to generation of said data signal by said LIDAR sensor, to at least one of (i) increase brightness of illumination by said light source exterior of the equipped vehicle from a first brightness value to a higher second brightness value for enhancing illumination of the obstacle and (ii) change coverage distance of a lighting area exterior of the equipped vehicle generated by said light source for enhancing illumination of the obstacle.

20. The automotive lighting system of claim 19, wherein said automotive lighting device comprises a headlight.

21. The automotive lighting system of claim 19, wherein said controller is operable, responsive to generation of said data signal by said LIDAR sensor, to (i) increase brightness of illumination by said light source exterior of the equipped vehicle from a first brightness value to a higher second brightness value for enhancing illumination of the obstacle and (ii) change coverage distance of a lighting area exterior of the equipped vehicle generated by said light source for enhancing illumination of the obstacle.