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US 11,906,759 B2Granted
Optical film with light control edge
Assignee3M Innovative Properties Company
InventorsDaniel J. Theis, Tri D. Pham, Bradley S. English, Steven J. Botzet, Qingbing Wang, Shu-Ching Fan
Life of this patent
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Abstract
An optical film having a first surface, an opposing second surface, and a thickness normal to the first and second surfaces is cut. Cutting the film forms a channel at least partially through the thickness of the film. A light control material is printed proximate to a surface of the film. The ink traverses through the channel by capillary motion.
Claims14
A method comprising:
- cutting an optical film having a first surface, an opposing second surface, and a thickness normal to the first and second surfaces, the cutting forming a channel at least partially through the thickness of the film;
- printing a light control material proximate to a surface of the film, the light control material traversing through the channel by capillary motion, and
- controlling movement of the light control material such that the light control material moves a predetermined distance through the channel or onto the first surface of the film,
- wherein controlling the movement of the light control material comprises partially curing the light control material.
1 more element
Dependencies are inferred from the claim text.