Illumination of a vehicle storage compartment through electroluminescent material

• US 10,343,600 B2
• Filed: 06/30/2017
• Issued: 07/09/2019
• Est. Priority Date: 06/30/2017
• Status: Expired due to Fees

• Current Assignee: Honda Motor Co., Ltd. (Honda Motor Company)
• Original Assignee: Honda Motor Co., Ltd. (Honda Motor Company)
• Inventors: Verwys, Nichole A., Segraves, Zachary
• Primary Examiner(s): May, Robert J
• Application Number:
  US15/639,306
• Publication Number:
  US 20190001876A1
• Time in Patent Office: 739 Days
• CPC Class Codes: B60Q 3/225 Small compartments, e.g. glove compartments
• CPC Class Codes: B60Q 3/51 for mounting lighting devices onto vehicle interior, e.g. onto ceiling or floor
• CPC Class Codes: B60Q 3/54 Lighting devices embedded in interior trim, e.g. in roof liners
• CPC Class Codes: B60Q 3/57 Retractable or concealable lighting devices
• CPC Class Codes: B60Q 3/745 using lighting panels or mats, e.g. electro-luminescent panels, LED mats
• CPC Class Codes: B60Q 3/80 Circuits; Control arrangements for dashboards B60Q3/16; for mass transit vehicles B60Q3/47

Abstract

An electroluminescent assembly for a vehicle storage compartment and a method for installing the same on a vehicle storage compartment includes a transparent panel and a door, each at least partially defining the storage compartment. Light emitted by the electroluminescent assembly illuminates the interior of the storage compartment, and is also transmitted through the transparent panel to thereby illuminate a portion of the vehicle that is at an exterior of the storage compartment.

Claims

1. A storage compartment of a vehicle, comprising:

a transparent panel at least partially defining the storage compartment,

a door movable between an open position allowing access to an interior of the storage compartment, and a closed position; and

an electroluminescent assembly disposed on the transparent panel that emits light when activated;

wherein, light emitted by the electroluminescent assembly illuminates the interior of the storage compartment, and is transmitted through the transparent panel to thereby illuminate a portion of the vehicle that is exterior of the storage compartment.

2. The storage compartment of claim 1, wherein:

the electroluminescent assembly has two major light emitting surfaces that are oppositely directly from each other and emit light upon activation of the electroluminescent assembly;

wherein, light emitted by one of the two major light emitting surfaces illuminates the interior of the storage compartment, and light emitted by the other of the two major light emitting surfaces is transmitted through the transparent panel to thereby illuminate the portion of the vehicle that is exterior of the storage compartment.

3. The storage compartment of claim 1, wherein the electroluminescent assembly is activated to emit light by one or more of:

i) movement of the door between the open position and the closed position,

ii) a passenger being within a passenger compartment of the vehicle,

iii) operation of the vehicle,

iv) movement of a vehicle passenger door between open and closed positions, and

v) proximity of a passenger relative to the electroluminescent assembly.

4. The storage compartment of claim 1, further comprising:

a second transparent panel disposed on the door, and a second electroluminescent assembly disposed on the second transparent panel,

wherein, when the door is in the open position, the second electroluminescent assembly emits light that is directed towards the interior of the storage compartment, and when the door is in the closed position, the second electroluminescent assembly emits light through the second transparent panel to illuminate a handle assembly on the door, the illuminated handle assembly being on an outside surface of the door and facing a passenger compartment of the vehicle.

5. The storage compartment of claim 4, wherein:

the electroluminescent assembly is activated to emit light when the door of the storage compartment is in the open position, and

the second electroluminescent assembly is activated to emit light when the vehicle is operational.

6. The storage compartment of claim 4, wherein:

the storage compartment is located in a dashboard assembly of the vehicle, and

the transparent panel is located on a bottom wall of the storage compartment such that light emitted by the electroluminescent assembly is transmitted through the transparent panel to thereby illuminate a footwell in the vehicle.

7. The storage compartment of claim 6, further comprising a third electroluminescent assembly disposed on an upper interior wall of the storage compartment,

wherein the third electroluminescent assembly emits light downward to illuminate the interior of the storage compartment.

8. The storage compartment of claim 7, wherein the third electroluminescent assembly is activated to emit light when the door of the storage compartment is in the open position.

9. The storage compartment of claim 4, wherein the storage compartment is located in a center console assembly of the vehicle.

10. The storage compartment of claim 9, wherein the transparent panel is located on a front wall of the storage compartment facing a front of the vehicle such that light emitted by the electroluminescent assembly is transmitted through the transparent panel to thereby illuminate a console component in front of the storage compartment.

11. The storage compartment of claim 10, wherein the electroluminescent assembly is activated to emit light when the vehicle is operational.

12. The storage compartment of claim 9, wherein the transparent panel is located on a rear wall of the storage compartment facing a back of the vehicle such that light emitted by the electroluminescent assembly is transmitted through the transparent panel to thereby illuminate a vehicle component behind the storage compartment.

13. The storage compartment of claim 9, wherein the transparent panel is located on as side wall of the storage compartment facing towards a lateral side of the vehicle such that light emitted by the electroluminescent assembly is transmitted through the transparent panel to thereby illuminate a vehicle component at a lateral side of the storage compartment.

14. The storage compartment of claim 1, wherein light emitted from the electroluminescent assembly that illuminates the interior of the storage compartment has different chromaticity coordinates than light emitted from the electroluminescent assembly that illuminates the portion of the vehicle that is exterior of the storage compartment.

15. The storage compartment of claim 14, wherein the electroluminescent assembly includes a first face and an oppositely directed second face, the electroluminescent assembly comprising:

an electroluminescent phosphor layer including a first side and an oppositely directed second side, the first side of the electroluminescent phosphor layer being closest to the first face of the electroluminescent assembly, and

a photoluminescent layer positioned on the first side of the electroluminescent phosphor layer,

wherein, when the electroluminescent phosphor layer emits light of a first color from the first side of the electroluminescent phosphor layer and towards the photoluminescent layer, the photoluminescent layer converts light of the first color and emits light of a second color from the first face of the electroluminescent assembly,

wherein light of the second color emitted from the from the first face of the electroluminescent assembly has different chromaticity coordinates than light emitted from the second face of the electroluminescent assembly.

16. A method of installing an electroluminescent feature on a storage compartment of a vehicle, the method comprising:

providing a vehicle with a storage compartment having a transparent panel and a door movable between an open position allowing access to an interior of the storage compartment and a closed position,

providing an electroluminescent assembly having two major light emitting surfaces that are oppositely directly from each other and emit light upon activation of the electroluminescent assembly,

mounting the electroluminescent assembly relative to the transparent panel such that light emitted from the electroluminescent assembly illuminates the interior of the storage compartment, and is transmitted through the transparent panel to illuminate a portion of the vehicle that is exterior of the storage compartment.

17. The method of claim 16, wherein the electroluminescent assembly is activatable to emit light by one or more of:

i) movement of the door between the open position and the closed position,

ii) a passenger being within a passenger compartment of the vehicle,

iii) operation of the vehicle,

iv) movement of a vehicle passenger door between open and closed positions, and

v) proximity of a passenger relative to the electroluminescent assembly.

18. The method of claim 16, wherein:

a second transparent panel is disposed on the door, and

a second electroluminescent assembly is disposed on the second transparent panel,

wherein, when the door is in the open position, the second electroluminescent assembly emits light that is directed towards the interior of the storage compartment, and when the door is in the closed position, the second electroluminescent assembly emits light through the second transparent panel to illuminate a handle assembly on the door, the illuminated handle assembly being on an outside surface of the door and facing a passenger compartment of the vehicle.

19. The method of claim 16, wherein light emitted from the electroluminescent assembly that illuminates the interior of the storage compartment has different chromaticity coordinates than light emitted from the electroluminescent assembly that illuminates the portion of the vehicle that is exterior of the storage compartment.

20. The method of claim 19, wherein the two major light emitting surfaces are a first face and a second face of the electroluminescent assembly, the electroluminescent assembly comprising:

an electroluminescent phosphor layer including a first side and an oppositely directed second side, the first side of the electroluminescent phosphor layer being closest to the first face of the electroluminescent assembly, and

a photoluminescent layer positioned on the first side of the electroluminescent phosphor layer,

wherein, when the electroluminescent phosphor layer emits light of a first color from the first side of the electroluminescent phosphor layer and towards the photoluminescent layer, the photoluminescent layer converts light of the first color and emits light of a second color from the first face of the electroluminescent assembly,

wherein light of the second color emitted from the from the first face of the electroluminescent assembly has different chromaticity coordinates than light emitted from the second face of the electroluminescent assembly.