Method for reducing reflectance of bright decorative trim under high ambient light conditions

Method for reducing reflectance of bright decorative trim under high ambient light conditions

In a dimmable trim component for a vehicle interior, a trim article includes a reflective member having a photoreactive or an electro-optic coating disposed over the reflective member. The reflective member is configured to reflect ambient light. The coating is a bistable coating and is operable bet...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DONALD PAUL BILGER, MAHENDRA SOMASARA DASSANAYAKE, MEGAN MAY LOVEJOY
Format: Patent
Sprache:eng
Schlagworte:
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
FREQUENCY-CHANGING
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL LOGIC ELEMENTS
OPTICS
PERFORMING OPERATIONS
PHYSICS
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:In a dimmable trim component for a vehicle interior, a trim article includes a reflective member having a photoreactive or an electro-optic coating disposed over the reflective member. The reflective member is configured to reflect ambient light. The coating is a bistable coating and is operable between a first light transmissive state and a second light transmissive state. When in the first light transmissive state, ambient light is transmitted to the reflective member for reflection by the reflective member through the coating. When in the second light transmissive state, a portion of the ambient light is absorbed by the coating and therefore, not reflected by the reflective member, such that the coating provides a dimming effect to the trim article in high ambient conditions.