Optical stacks for sparkle reduction

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United States of America Patent

PATENT NO 9995944
SERIAL NO

15315947

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Abstract

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Optical stacks including a grating structure that generates diffraction in two in-plane dimensions. The optical stacks may include two gratings, which may be one-directional or two-directional, or may include a single two-directional grating. The optical stacks include particles selected to give controlled diffusion of light. The optical stacks are suitable for reducing sparkle in displays.

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYP O BOX 33427 SAINT PAUL MN 55133-3427

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hennen, Daniel W Cottage Grove, US 31 431
Hoffend,, Jr Thomas R Pleasanton, US 17 156
Liu, Lan H Rosemount, US 34 489
Ouderkirk, Andrew J St. Paul, US 421 17059
Radcliffe, Marc D Newport, US 55 1063
Sitter, Brett J Cottage Grove, US 48 143

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