Light emissive plastic glazing

• US 9,315,148 B2
• Filed: 09/10/2014
• Issued: 04/19/2016
• Est. Priority Date: 03/18/2005
• Status: Active Grant

• Current Assignee: Exatec, LLC (Government of Saudi Arabia)
• Original Assignee: Exatec, LLC (Government of Saudi Arabia)
• Inventors: Schwenke, Robert, Hedderich, Wilfried, Li, Chengtao, Lefaux, Christophe, Foster, Ken
• Primary Examiner(s): MAY, ROBERT J
• Application Number:
  US14/482,180
• Publication Number:
  US 20140376243A1
• Time in Patent Office: 587 Days
• Field of Search: 362/503
• US Class Current: 1/1
• 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

A window assembly having a first transparent area and a light emissive area. The panel includes a first transparent layer with an ultraviolet blocking layer and an abrasion layer. The light emissive area includes a light emissive layer that may be an organic light emitting display, an electroluminescent display, a polymer light emitting display or a light pipe configured to receive light from a light source.

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

a first transparent panel, wherein the first transparent panel comprises an abrasion layer with a first abrasion layer side and a second abrasion layer side, an ultraviolet blocking layer with a first UV layer side and a second UV layer side, and a base layer with a first base layer side and a second base layer side, wherein the second abrasion layer side is in contact with the first UV layer side and the second UV layer side is in contact with the first base layer side;

an emissive layer, wherein the emissive layer comprises a dielectric layer with a first dielectric layer side and a second dielectric layer side and a phosphor layer with a first phosphor layer side and a second phosphor layer side, wherein the second dielectric layer side is in contact with a first phosphor layer side;

a high conductive layer with a first high conductive layer side and a second high conductive layer side;

wherein the second high conductive layer side is in contact with the first dielectric layer side;

a low conductive layer with a first low conductive layer side and a second low conductive layer side, wherein the first low conductive layer side is in contact with the second phosphor layer side; and

a black out layer with a first black out layer side and a second black out layer side, wherein the first black out layer side is in contact with the second base layer side and the second blackout layer side is in contact with the first high conductive layer side.

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

3. The light emissive window assembly of claim 1, 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.

4. The light emissive window assembly of claim 1, wherein the base layer comprises polycarbonate, polymethyl methacrylate, polyester blends, glass, or any combination thereof.

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

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

7. The light emissive window assembly of claim 1, wherein the assembly further comprises a second transparent layer located on a same side of the emissive layer as the low conductive material.

8. The light emissive window assembly of claim 7, wherein the second transparent layer comprises a second ultraviolet blocking layer with a first blocking side and a second blocking side and a second abrasion layer with a first abrasion side and a second abrasion side, wherein the first blocking side is in contact with the low conductive layer second side and the second blocking side is in contact with the first abrasion side.

9. The light emissive window assembly of claim 1, wherein the emissive layer is a polymer light emitting display, an organic light emitting display, a light emitting diode used in conjunction with a light pipe, or an electroluminescent display.

10. The light emissive window assembly of claim 1, further comprising a voltage source connected to the high conductive layer and the low conductive layer.

11. The light emissive window assembly of claim 1, 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.

12. The light emissive window assembly of claim 1, further comprising a frame coupled to the perimeter of the first transparent panel.

13. The light emissive window assembly of claim 1, wherein the light emissive area is in the form of a line located in between two transparent areas.

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;

wherein the emissive area is opaque and comprises

a first transparent panel, wherein the first transparent panel comprises an abrasion layer with a first abrasion layer side and a second abrasion layer side, an ultraviolet blocking layer with a first UV layer side and a second UV layer side, and a base layer with a first base layer side and a second base layer side, wherein the second abrasion layer side is in contact with the first UV layer side and the second UV layer side is in contact with the first base layer side;

an emissive layer, wherein the emissive layer comprises a dielectric layer with a first dielectric layer side and a second dielectric layer side and a phosphor layer with a first phosphor layer side and a second phosphor layer side, wherein the second dielectric layer side is in contact with a first phosphor layer side;

a high conductive layer with a first high conductive layer side and a second high conductive layer side;

wherein the second high conductive layer side is in contact with the first dielectric layer side;

a low conductive layer with a first low conductive layer side and a second low conductive layer side, wherein the first low conductive layer side is in contact with the second phosphor layer side; and

a black out layer with a first black out layer side and a second black out layer side, wherein the first black out layer side is in contact with the second base layer side and the second blackout layer side is in contact with the first high conductive layer side;

a second transparent layer, wherein the second transparent layer comprises a second ultraviolet blocking layer with a first blocking side and a second blocking side and a second abrasion layer with a first abrasion side and a second abrasion side, wherein the first blocking side is in contact with the second low conductive layer side and the second blocking side is in contact with the first abrasion side.

15. The light emissive window assembly of claim 14, wherein the emissive area encircles the transparent viewing area.

16. The light emissive window assembly of claim 14, wherein 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.

17. The light emissive window assembly of claim 14, wherein the base layer comprises polycarbonate, polymethyl methacrylate, polyester blends, glass, or any combination thereof.

18. The light emissive window assembly of claim 14, wherein the base layer comprises polycarbonate.

19. The light emissive window assembly of claim 14, wherein the ultraviolet blocking layer has dispersed ultraviolet absorbing additives.

20. The light emissive window assembly of claim 14, further comprising a voltage source connected to the high conductive layer and the low conductive layer.