Lighting apparatus for vehicle and vehicle having the same

• US 10,093,224 B2
• Filed: 05/16/2017
• Issued: 10/09/2018
• Est. Priority Date: 05/16/2016
• Status: Active Grant

• Current Assignee: ZKW Group GmbH (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Kim, Ana, Kim, Geunhyeong
• Primary Examiner(s): Tweel, Jr., John A
• Application Number:
  US15/596,897
• Publication Number:
  US 20180009374A1
• Time in Patent Office: 511 Days
• Field of Search: 340464
• CPC Class Codes: B60K 2360/334 Projection means
• CPC Class Codes: B60Q 1/085 due to special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers B60Q1/10, B60Q1/12, B60Q1/1423 take precedence
• CPC Class Codes: B60Q 1/2607 comprising at least two indicating lamps
• CPC Class Codes: B60Q 1/507 specific to autonomous vehicles
• CPC Class Codes: B60Q 1/543 for indicating other states or conditions of the vehicle indicating taxis' state of hire or fare G07B13/045
• CPC Class Codes: B60Q 1/545 for indicating other traffic conditions, e.g. fog, heavy traffic
• CPC Class Codes: B60Q 2300/112 Vehicle speed
• CPC Class Codes: B60Q 2300/314 Ambient light
• CPC Class Codes: B60Q 2300/322 Road curvature
• CPC Class Codes: B60Q 2300/335 Number or size of road lanes
• CPC Class Codes: B60Q 2300/41 preceding vehicle
• CPC Class Codes: B60Q 2300/43 following vehicle
• CPC Class Codes: B60Q 2300/45 Special conditions, e.g. pedestrians, road signs or potential dangers
• CPC Class Codes: B60Q 2300/47 Direct command from other road users, i.e. the command for switching or changing the beam is sent by other vehicles or road devices
• CPC Class Codes: B60Q 2400/50 Projected symbol or information, e.g. onto the road or car body
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: G03B 21/008 using micromirror devices
• CPC Class Codes: G03B 21/147 Optical correction of image distortions, e.g. keystone
• CPC Class Codes: G03B 21/2013 Plural light sources
• CPC Class Codes: G03B 21/2053 Intensity control of illuminating light controlled by video signal processing H04N5/74 or H04N9/31
• CPC Class Codes: G03B 21/206 : Control of light source other than position or intensity
• CPC Class Codes: G03B 21/2066 : Reflectors in illumination beam in projection beam G03B21/28

Abstract

A lighting apparatus for a vehicle may include a light output unit; an interface unit; and at least one processor. The at least one processor may be configured to control the light output unit to generate light that illuminates an exterior of the vehicle. The at least one processor may also be configured to receive first information via the interface unit; and control the light output unit to display, via the light that illuminates the exterior of the vehicle, a visual image corresponding to the received first information. The at least one processor may further be configured to receive second information via the interface unit; and control the light output unit based on the received second information to change the visual image displayed by the light that illuminates the exterior of the vehicle.

Claims

1. A lighting apparatus for a vehicle comprising:

a light output unit;

an interface unit; and

at least one processor configured to;

control the light output unit to generate light that illuminates an exterior of the vehicle;

receive first information via the interface unit;

control the light output unit to display, via the light that illuminates the exterior of the vehicle, a visual image corresponding to the received first information;

receive second information via the interface unit; and

control the light output unit based on the received second information to change the visual image displayed by the light that illuminates the exterior of the vehicle,

wherein the at least one processor is further configured to control the light output unit based on the second information to change a shape, a color, a size, or a brightness of the visual image, and

wherein the at least one processor is further configured to;

determine whether external light is emitted onto a display region for the visual image; and

based on a determination that the external light is emitted onto the display region for the visual image, control the light that illuminates the exterior of the vehicle to display the visual image with greater brightness or in a color different from a color of the external light.

2. The lighting apparatus according to claim 1, further comprising:

a beam pattern unit configured to change a pattern of the light that illuminates the exterior of the vehicle,

wherein the at least one processor is further configured to control the beam pattern unit to change the visual image displayed by the light that illuminates the exterior of the vehicle.

3. The lighting apparatus according to claim 2, wherein the beam pattern unit comprises a Digital Micro-mirror Device (DMD) or a Micro Electro Mechanical System (MEMS) scanner.

4. The lighting apparatus according to claim 3, wherein the DMD comprises a plurality of micro-mirrors, and

the at least one processor is further configured to change the visual image displayed by the light that illuminates the exterior of the vehicle by controlling a position of each of the plurality of micro-mirrors in the DMD.

5. The lighting apparatus according to claim 3, wherein the MEMS scanner is configured to create a scanning path, and

the at least one processor is further configured to:

generate a pattern of the light that is output onto the scanning path; and

change the visual image displayed by the light that illuminates the exterior of the vehicle by controlling the scanning path created through the MEMS scanner and the pattern of the light output onto the scanning path.

6. The lighting apparatus according to claim 1, wherein the light output unit comprises a plurality of micro light emitting diodes (LEDs),

wherein the at least one processor is configured to change the visual image displayed by the light that illuminates the exterior of the vehicle by controlling the plurality of the micro LEDs.

7. The lighting apparatus according to claim 1, wherein the at least one processor is configured to display the visual image by adjusting a color or an intensity of the light that illuminates the exterior of the vehicle.

8. The lighting apparatus according to claim 1, wherein the first information comprises at least one of travel speed information of the vehicle, detected object information, navigation information, turn signal information, or on-board diagnostics (OBD) information.

9. The lighting apparatus according to claim 8, wherein the at least one processor is further configured to, based on the travel speed information of the vehicle, adjust a display region for the visual image or a color of the visual image.

10. The lighting apparatus according to claim 1, wherein the second information comprises at least one of road information, external light information, or information about another vehicle located around the vehicle.

11. The lighting apparatus according to claim 1, wherein the at least one processor is further configured to:

receive vehicle position information via the interface unit; and

change a display region for the visual image further based on the vehicle position information received via the interface unit.

12. The lighting apparatus according to claim 1, wherein the at least one processor is further configured to:

determine a lane in which the vehicle travels; and

control the light that illuminates the exterior of the vehicle to display the visual image outside the vehicle within the lane in which the vehicle travels.

13. The lighting apparatus according to claim 1, wherein the at least one processor is further configured to control the light that illuminates the exterior of the vehicle to display the visual image outside the vehicle within a region corresponding to a width of the vehicle.

14. The lighting apparatus according to claim 1, wherein the at least one processor is further configured to control the light output unit based on the second information to change the shape, the color, the size, or the brightness of the visual image in a gradual manner.

15. The lighting apparatus according to claim 1, wherein the at least one processor is further configured to:

receive, via the interface unit, information about other vehicles around the vehicle;

determine, based on the received information about other vehicles around the vehicle, whether another vehicle is travelling in a lane next to a lane in which the vehicle travels and approaches the vehicle from behind; and

based on a determination that another vehicle is travelling in the lane next to the lane in which the vehicle travels and approaches the vehicle from behind, control the light that illuminates the exterior of the vehicle to display the visual image with greater brightness or in a color different from the color of the external light.

16. The lighting apparatus according to claim 15, wherein the at least one processor is further configured to:

receive, via the interface unit, light intensity information regarding light that is output from a lighting apparatus of the another vehicle; and

control a brightness of the visual image according to the received light intensity information.

17. The lighting apparatus according to claim 1, wherein the at least one processor is further configured to:

receive, via the interface unit, distance information regarding another vehicle that is ahead of the vehicle; and

control the light that illuminates the exterior of the vehicle to change a display region for the visual image according to the received distance information.

18. The lighting apparatus according to claim 17, wherein the at least one processor is further configured to:

determine whether a distance between the vehicle and the another vehicle is within a first threshold distance; and

based on a determination that the distance between the vehicle and the another vehicle is within the first threshold distance, control the light that illuminates the exterior of the vehicle to display the visual image on a body of the another vehicle.

19. The lighting apparatus according to claim 18, wherein the at least one processor is further configured to:

receive distorted display information regarding the visual image via the interface unit;

determine, based on the distorted display information, whether the visual image is distorted and displayed; and

based on a determination that the visual image is distorted and displayed, adjust a display position or size of the visual image on the body of the another vehicle.

20. The lighting apparatus according to claim 18, wherein the at least one processor is further configured to:

receive information regarding a flat region of the body of the another vehicle via the interface unit; and

based on the received information regarding the flat region of the body of the another vehicle, control the light that illuminates the exterior of the vehicle to display the visual image in the flat region.

21. The lighting apparatus according to claim 1, wherein the at least one processor is further to configured to:

receive distorted display information regarding the visual image via the interface unit; and

perform a control operation based on the received distorted display information to correct the visual image that is displayed by the light that illuminates the exterior of the vehicle.

22. The lighting apparatus according to claim 1, wherein the at least one processor is further configured to control the light that illuminates the exterior of the vehicle such that a first width corresponding to a first point of the visual image is less than a second width corresponding to a second point of the visual image on a longitudinal line of the visual image.

23. The lighting apparatus according to claim 1, wherein the at least one processor is further configured to control the light that illuminates the exterior of the vehicle to adjust a length and a width of the visual image based on a distance between the vehicle and a display region for the visual image.

24. The lighting apparatus according to claim 1, further comprising:

a communication unit,

wherein the at least one processor is further configured to control the light that illuminates the exterior of the vehicle to change the visual image further based on information received via the communication unit.

25. A vehicle comprising,

a sensing unit configured acquire first information and second information;

and

a lighting apparatus that comprises;

an interface unit; and

at least one processor configured to;

generate light that illuminates an exterior of the vehicle;

control the light that illuminates the exterior of the vehicle to display a visual image corresponding to the first information received via the interface unit; and

control the light that illuminates the exterior of the vehicle to change the displayed visual image based on the second information received via the interface unit,

wherein the at least one processor is further configured to control the light output unit based on the second information to change a shape, a color, a size, or a brightness of the visual image, and

wherein the at least one processor is further configured to;

determine whether external light is emitted onto a display region for the visual image; and

based on a determination that the external light is emitted onto the display region for the visual image, control the light that illuminates the exterior of the vehicle to display the visual image with greater brightness or in a color different from a color of the external light.