Light emissive plastic glazing having a multilayered configuration for illuminating passenger compartment

• US 9,871,199 B2
• Filed: 03/10/2016
• Issued: 01/16/2018
• Est. Priority Date: 03/18/2005
• Status: Active Grant

• Current Assignee: Exatec, LLC (Government of Saudi Arabia)
• Original Assignee: SABIC Global Technologies BV (Government of Saudi Arabia)
• Inventors: Schwenke, Robert, Hedderich, Wilfried, Li, Chengtao, Lefaux, Christophe, Foster, Ken
• Primary Examiner(s): MAY, ROBERT J
• Application Number:
  US15/066,466
• Publication Number:
  US 20160185287A1
• Time in Patent Office: 677 Days
• Field of Search: 362503
• CPC Class Codes: B32B 2255/10 on synthetic resin layer or on natural or synthetic rubber layer
• CPC Class Codes: B32B 2255/20 Inorganic coating
• CPC Class Codes: B32B 2255/205 Metallic coating
• CPC Class Codes: B32B 2255/26 Polymeric coating
• CPC Class Codes: B32B 2255/28 Multiple coating on one surface
• CPC Class Codes: B32B 2307/202 Conductive
• CPC Class Codes: B32B 2307/412 Transparent
• CPC Class Codes: B32B 2307/42 Polarizing, birefringent, filtering
• CPC Class Codes: B32B 2307/422 Luminescent, fluorescent, phosphorescent
• CPC Class Codes: B32B 2307/554 Wear resistance
• CPC Class Codes: B32B 2457/206 Organic displays, e.g. OLED
• CPC Class Codes: B32B 2605/006 Transparent parts other than made from inorganic glass, e.g. polycarbonate glazings
• CPC Class Codes: B32B 27/08 of synthetic resin
• CPC Class Codes: B32B 27/30 comprising vinyl (co)polymers; comprising acrylic (co)polymers
• CPC Class Codes: B32B 27/36 comprising polyesters
• CPC Class Codes: B32B 27/365 comprising polycarbonates
• CPC Class Codes: B60J 1/00 Windows; Windscreens; Accessories therefor B60J10/00 takes precedence; air curtains instead of windows B60J9/04 ; sealing strips for windshields B60J10/70; sealing sash guides for sliding window panes B60J10/74; glass partitions inside vehicles to protect occupants against personal attack B60R21/12
• CPC Class Codes: B60J 1/08 arranged at vehicle sides
• CPC Class Codes: B60Q 3/208 Sun roofs; Windows
• CPC Class Codes: B60Q 3/64 for a single lighting device
• CPC Class Codes: B60Q 3/745 : using lighting panels or mats, e.g. electro-luminescent panels, LED mats
• CPC Class Codes: G02B 6/0038 : Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
• CPC Class Codes: G02B 6/0096 : the lights guides being of the hollow type
• CPC Class Codes: H10K 50/805 : Electrodes
• CPC Class Codes: H10K 50/813 : characterised by their shape
• CPC Class Codes: H10K 50/84 : Passivation; Containers; Encapsulations
• CPC Class Codes: H10K 50/841 : Self-supporting sealing arrangements
• CPC Class Codes: H10K 50/86 : Arrangements for improving contrast, e.g. preventing reflection of ambient light
• CPC Class Codes: H10K 50/865 : comprising light absorbing layers, e.g. light-blocking layers
• CPC Class Codes: H10K 85/111 : comprising aromatic, heteroaromatic, or aryl chains, e.g. polyaniline, polyphenylene or polyphenylene vinylene
• CPC Class Codes: H10K 85/113 : Heteroaromatic compounds comprising sulfur or selene, e.g. polythiophene
• CPC Class Codes: H10K 85/114 : Poly-phenylenevinylene; Derivatives thereof
• CPC Class Codes: H10K 85/115 : Polyfluorene; Derivatives thereof
• CPC Class Codes: Y02E 10/549 : Organic PV cells
• CPC Class Codes: Y02P 70/50 : Manufacturing or production processes characterised by the final manufactured product

Abstract

In an embodiment, a light emissive window assembly for providing illumination to an occupant compartment of an automobile comprises a window panel comprising a transparent viewing area and an emissive area, wherein the emissive area is configured to emit light into the occupant compartment and the transparent viewing area is not configured to emit light; wherein the emissive area comprises an abrasion resistant layer, an ultraviolet protective layer, a base layer, and an emissive layer; wherein the ultraviolet protective layer is located in between the abrasion resistant layer and the base layer; and wherein the base layer is located in between the ultraviolet protective layer and the emissive layer.

Claims

1. A light emissive window assembly for providing illumination to an occupant compartment of an automobile comprising:

a window panel comprising a transparent viewing area and an emissive area, wherein the emissive area is configured to emit light into the occupant compartment and the transparent viewing area is not configured to emit light;

wherein the emissive area comprises

an abrasion resistant layer,

an ultraviolet protective layer,

a base layer, and

an emissive layer;

wherein the ultraviolet protective layer is located in between the abrasion resistant layer and the base layer; and

wherein the base layer is located in between the ultraviolet protective layer and the emissive layer; and

wherein the transparent viewing area comprises a first transparent area separated from a second transparent area by the emissive area which encircles both the first and second transparent areas or wherein the emissive area is in the form of a line located in between a first transparent viewing area and a second transparent viewing area.

2. The light emissive window assembly of claim 1, further comprising a black out layer located in between the base layer and the emissive layer.

3. The light emissive window assembly of claim 1, wherein the emissive area encircles the transparent viewing area.

4. The light emissive window assembly of claim 1, wherein the transparent viewing area comprises the first transparent area separated from the second transparent area by the emissive area which encircles both the first and second transparent areas.

5. The light emissive window assembly of claim 1, wherein the base layer comprises a polycarbonate, poly(methyl methacrylate), a polyester, glass, or a combination comprising at least one of the foregoing.

6. The light emissive window assembly of claim 1, wherein the base layer comprises a polycarbonate.

7. The light emissive window assembly of claim 1, wherein the ultraviolet protective layer has dispersed ultraviolet absorbing additives.

8. The light emissive window assembly of claim 1, wherein the emissive layer comprises a dielectric layer and a phosphor layer;

wherein the dielectric layer is located in between the base layer and the phosphor layer.

9. The light emissive window assembly of claim 1, wherein the emissive layer comprises a polymer light emitting display, an organic light emitting display, a light emitting diode, or an electroluminescent display.

10. The light emissive window assembly of claim 1, further comprising a frame coupled to a perimeter of the emissive area.

11. The light emissive window assembly of claim 1, further comprising a high conductive layer located in between the base layer and the emissive layer;

and a low conductive layer;

wherein the emissive layer is located in between the high conductive layer and the low conductive layer.

12. The light emissive window assembly of claim 11, further comprising a voltage source connected to the high conductive layer and the low conductive layer.

13. The light emissive window assembly of claim 11, wherein one or both of the high conductive layer and the low conductive layer comprises at least one of a conductive ink and a conductive wire.

14. A light emissive window assembly for providing illumination to an occupant compartment of an automobile comprising:

a window panel comprising a transparent viewing area and an emissive area, wherein the emissive area is configured to emit light into the occupant compartment and the transparent viewing area is not configured to emit light;

wherein the emissive area comprises

an abrasion resistant layer,

an ultraviolet protective layer,

a base layer, and

an emissive layer;

a further ultraviolet protective layer and a further abrasion resistant layer;

wherein the ultraviolet protective layer is located in between the abrasion resistant layer and the base layer; and

wherein the base layer is located in between the ultraviolet protective layer and the emissive layer; and

wherein the further abrasion resistant layer is located on an opposite side of the emissive layer as the abrasion resistant layer; and

wherein the further ultraviolet protection layer is located in between the emissive layer and the further abrasion resistant layer.

15. A light emissive window assembly for providing illumination to an occupant compartment of an automobile comprising:

a window panel comprising a transparent viewing area and an emissive area, wherein the emissive area is configured to emit light into the occupant compartment and the transparent viewing area is not configured to emit light;

wherein the emissive area comprises

an abrasion resistant layer;

an ultraviolet protective layer;

a base layer;

a black out layer;

an emissive layer;

a further ultraviolet protective layer; and

a further abrasion resistant layer;

wherein the ultraviolet protective layer is located in between the abrasion resistant layer and the base layer;

wherein the base layer is located in between the ultraviolet protective layer and the emissive layer;

wherein the black out layer located in between the base layer and the emissive layer;

wherein the further abrasion resistant layer is located on an opposite side of the emissive layer as the abrasion resistant layer; and

wherein the further ultraviolet protection layer is located in between the emissive layer and the further abrasion resistant layer.

16. The light emissive window assembly of claim 15, wherein the emissive layer comprises a dielectric layer and a phosphor layer;

wherein the dielectric layer is located in between the base layer and the phosphor layer.

17. The light emissive window assembly of claim 15, further comprising a high conductive layer located in between the base layer and the emissive layer;

and a low conductive layer;

wherein the emissive layer is located in between the high conductive layer and the low conductive layer.

18. The light emissive window assembly of claim 15, wherein the emissive layer comprises a polymer light emitting display, an organic light emitting display, a light emitting diode, or an electroluminescent display.

19. The light emissive window assembly of claim 15, wherein the emissive area encircles the transparent viewing area.