Invention Grant
- Patent Title: Light emissive display based on lightwave coupling in combination with visible light illuminated content
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Application No.: US15015436Application Date: 2016-02-04
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Publication No.: US10309615B2Publication Date: 2019-06-04
- Inventor: Erick Christopher Couch , Andrew Michael Bakaysza
- Applicant: Sun Chemical Corporation
- Applicant Address: US NJ Parsippany
- Assignee: Sun Chemical Corporation
- Current Assignee: Sun Chemical Corporation
- Current Assignee Address: US NJ Parsippany
- Agency: Ostrolenk Faber LLP.
- Agent Charles C. Achkar
- Main IPC: F21V8/00
- IPC: F21V8/00 ; F21V9/08 ; F21V23/04

Abstract:
A display with a first emissive image and a second image. The display includes a waveguide that includes an image formed from photoluminescent dyes on a surface of the waveguide which is activated by a first light source. A second light source behind said waveguide produces a second image. A light filter is positioned between the waveguide and the second light source. The second light source can illuminate a transparency, such as a translight, or a physical object providing an image that is viewable from the display when the second light source is illuminated and the first light source is not illuminated. The first image is viewable when the first light source associated with the waveguide is activated, emitting, for example, an ultraviolet light that activates the photoluminescent dyes, causing the first image to be viewable. The light filter behind the waveguide enhances the quality of the emissive image and prevents the image on the transparency or the physical object from being seen when the second light source is not illuminated.
Public/Granted literature
- US20160231491A1 LIGHT EMISSIVE DISPLAY BASED ON LIGHTWAVE COUPLING IN COMBINATION WITH VISIBLE LIGHT ILLUMINATED CONTENT Public/Granted day:2016-08-11
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