| US 7,578,955 B2 | ||
| In-mold separated light guides | ||
| Michael E. Caine, Needham, Mass. (US) | ||
| Assigned to Motorola, Inc., Schaumburg, Ill. (US) | ||
| Filed on Jul. 30, 2007, as Appl. No. 11/830,300. | ||
| Prior Publication US 2009/0034273 A1, Feb. 05, 2009 | ||
| Int. Cl. B28B 1/48 (2006.01) | ||
| U.S. Cl. 264—155 [264/254; 264/154] | 21 Claims |
| 1. A molded plastic structure, comprising:
an in-mold decoration comprising at least a first illumination feature positioned at a first portion of the molded plastic
structure;
a first substrate positioned proximate to the in-mold decoration;
a substantially optically clear or translucent second substrate positioned proximate to the in-mold decoration, the second
substrate extending from the first portion of the molded plastic structure to a second portion of the molded plastic structure,
the second portion distal from the first portion; and
a separation layer positioned between at least a portion of the first substrate and at least a portion of the second substrate,
the separation layer backscattering a substantial portion of light incident on at least a first side of the separation layer.
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