Road sign plate

• US 10,347,161 B2
• Filed: 07/31/2014
• Issued: 07/09/2019
• Est. Priority Date: 07/31/2014
• Status: Active Grant

• Current Assignee: Interlight SP, SL.
• Original Assignee: Interlight SP S L
• Inventors: Ruiz Cuenca, Jose Carlos
• Primary Examiner(s): Han, Jason M
• Application Number:
  US15/500,902
• Publication Number:
  US 20170229048A1
• Time in Patent Office: 1,804 Days
• Field of Search: 36224902, 36231102, 362330, 362612, 362812, 40541-583
• CPC Class Codes: B32B 15/08 of synthetic resin
• CPC Class Codes: B32B 2250/03 3 layers
• CPC Class Codes: B32B 2307/402 Coloured
• CPC Class Codes: B32B 2307/414 Translucent
• CPC Class Codes: B32B 2457/20 Displays, e.g. liquid crystal displays, plasma displays
• CPC Class Codes: B32B 27/08 of synthetic resin
• CPC Class Codes: B32B 27/36 comprising polyesters
• CPC Class Codes: B32B 3/085 spaced apart pieces on the surface of a layer
• CPC Class Codes: B32B 3/30 characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs apertured layer B32B3/266; layer with cavities or internal voids B32B3/26
• CPC Class Codes: E01C 17/00 Pavement lights, i.e. translucent constructions forming part of the surface blocks specially designed for marking roads E01F9/524
• CPC Class Codes: E01F 9/559 illuminated
• CPC Class Codes: E01F 9/582 illuminated
• CPC Class Codes: F21V 15/01 Housings, e.g. material or assembling of housing parts F21V15/02 takes precedence housings forming signs or letters G09F13/04
• CPC Class Codes: F21V 23/06 the elements being coupling devices , e.g. connectors
• CPC Class Codes: F21Y 2103/10 comprising a linear array of point-like light-generating elements
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]
• CPC Class Codes: G08G 1/095 Traffic lights
• CPC Class Codes: G09F 13/22 electroluminescent electroluminescent light sources per se H05B33/00
• CPC Class Codes: G09F 19/228 Ground signs, i.e. display signs fixed on the ground
• CPC Class Codes: G09F 2013/222 with LEDs

Abstract

Disclosed is a road sign plate comprising: a base plate (2); a series of LEDs (4) disposed on said base plate; and power-supply means connected to said series of LEDs. In particular, the road sign plate comprises: a first resin layer (1) that covers at least the base plate (2); and a second resin layer (7) disposed on said first resin layer, said second resin layer (7) being of a translucent material. The road sign plate is a low cost plate, with high electro-mechanical strength and improved translucency properties.

Claims

1. Road sign plate comprising a base plate (2), a series of LEDs (4) arranged on said base plate (2) and a power supply strip associated to said series of LEDs (4), a first resin layer (1) which covers, at least, the base plate (2) and a second resin layer (7) arranged over said first resin layer (1), said second resin layer (7) being of a translucent material characterized in that both the base plate (2) and the series of LEDs (4) are embedded in said first (1) resin layer and that the base plate (2) comprises, in its lower area, a series of transversal projections (8), wherein the second resin layer (7) is white in colour and comprised of translucent and long ultraviolet (UVA) resistant unsaturated polyester resin having a rough finish, and wherein the first resin layer (1) incorporates chemical elements which enhance electrical resistance.

2. Road sign plate according to claim 1, wherein the power supply strip (6) is arranged on at least one of the sides of the base plate (2).

3. Road sign plate, according to claim 1, characterized in that the first resin layer (1) is made of a translucent material.

4. Road sign plate, according to claim 1, characterized in that the base plate (2) is a metallic plate.

5. Road sign plate, according to claim 1, characterized in that it comprises means for connecting to other road sign plates.

6. Road sign plate, according to claim 5, characterized in that said means for connecting to other plates comprise electrical connection means (5) for connecting plates power supply means to each other.

7. Road sign plate, according to claim 1, characterized in that it comprises means for communicating with external devices.

8. Road sign plate, according to claim 7, characterized in that said external devices are devices selected from:

mobile devices, traffic lights, cameras and/or presence sensors.

9. Road sign plate, according to claim 7, characterized in that said means for communicating with external devices consist of Bluetooth, Wi-Fi, NFC, or a combination thereof.

10. The road sign plate, according to claim 1, wherein the rough finish of the second resin layer is formed by a series of engravings.