Light emitting panel assemblies
DC
First Claim
1. A light emitting assembly comprising at least a light emitting panel member having a light emitting surface, at least one light source, at least one film, sheet, plate or substrate positioned near the light emitting surface through which light from the panel member is emitted, and an air gap between the film, sheet, plate or substrate and the panel member, wherein at least one surface of the film, sheet, plate or substrate has one or more reflective or refractive surfaces, and at least one of the reflective or refractive surfaces has well defined optical elements or deformities for controlling the emitted light such that at least some of the light is redirected to pass through a liquid crystal display with low loss.
6 Assignments
Litigations
5 Petitions
Accused Products
Abstract
Light emitting assemblies include at least one light source and at least one film, sheet, plate or substrate having optical elements or deformities of well defined shape on at least one surface that have reflective or refractive surfaces for controlling the light output ray angle distribution of the emitted light. The film, sheet, plate or substrate may be positioned near the light emitting surface of a light emitting panel member with an air gap therebetween or over a cavity or recess in a tray through which light from a light source in the cavity or recess is emitted.
80 Citations
31 Claims
- 1. A light emitting assembly comprising at least a light emitting panel member having a light emitting surface, at least one light source, at least one film, sheet, plate or substrate positioned near the light emitting surface through which light from the panel member is emitted, and an air gap between the film, sheet, plate or substrate and the panel member, wherein at least one surface of the film, sheet, plate or substrate has one or more reflective or refractive surfaces, and at least one of the reflective or refractive surfaces has well defined optical elements or deformities for controlling the emitted light such that at least some of the light is redirected to pass through a liquid crystal display with low loss.
- 16. A light emitting assembly comprising at least a tray that forms a cavity or recess, at least one light source positioned within the cavity or recess, at least one film, sheet, plate or substrate positioned over the cavity or recess through which light from the light source is emitted, wherein at least one surface of the film, sheet, plate or substrate has one or more reflective or refractive surfaces, and at least one of the reflective or refractive surfaces has well defined optical elements or deformities for controlling the emitted light such that at least some of the light is redirected to pass through a liquid crystal display with low loss.
- 28. A light emitting assembly comprising at least one light source and at least one transparent film, sheet, plate or substrate having top and bottom surfaces, a plurality of optical elements or deformities of well defined shape on or in the top and bottom surfaces, at least some of the optical elements or deformities on or in at least one of the top and bottom surfaces having one or more reflective or refractive surfaces for controlling the emitted light such that at least some of the light is redirected to pass through a liquid crystal display with low loss.
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31. A light emitting assembly comprising at least a tray that forms a cavity or recess, at least one light source positioned within the cavity or recess, at least one film, sheet, plate or substrate positioned over the cavity or recess through which light from the light source is emitted, wherein at least one surface of the film, sheet, plate or substrate has one or more reflective or refractive surfaces that are well defined optical elements or deformities for controlling the light output ray angle distribution of the light emitted to suit a particular application.
Specification
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- Resources
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Current AssigneeInnovative Display Technologies LLC (Acacia Research Corporation)
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Original AssigneeSolid State Opto Limited (Global Lighting Technologies Inc.)
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InventorsParker, Jeffery R.
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Primary Examiner(s)O'Shea, Sandra
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Assistant Examiner(s)Ton, Anabel
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Application NumberUS11/245,408Publication NumberTime in Patent Office782 DaysField of Search362600-625US Class Current362/619CPC Class CodesA61B 2090/309 using white LEDsA61M 2021/0044 by the sight senseA61M 21/02 for inducing sleep or relax...A61N 2005/063 comprising light transmitti...A61N 2005/0652 Arrays of diodesA61N 5/0621 Hyperbilirubinemia, jaundic...F21V 5/10 comprising photoluminescent...G02B 6/0018 Redirecting means on the su...G02B 6/002 by shaping at least a porti...G02B 6/0021 for housing at least a part...G02B 6/0028 Light guide, e.g. taperG02B 6/0031 Reflecting element, sheet o...G02B 6/0036 2-D arrangement of prisms, ...G02B 6/0038 Linear indentations or groo...G02B 6/0043 provided on the surface of ...G02B 6/006 to produce indicia, symbols...G02B 6/0061 to provide homogeneous ligh...G02B 6/0068 Arrangements of plural sour...H01H 2219/062 Light conductorH01H 2221/07 transparentView All
