Title: Optically configurable charge-transfer materials and methods thereof

Abstract

The present invention relates to an optical code including a film of a charge-transfer material, as well as methods thereof. Described herein are optical codes having anisotropic and/or isotropic regions within the film, which can be provided in a pattern that serves as an optical code.

Inventors:

Kaehr, Bryan James; Reczek, Joseph J.

Issue Date:

Tue May 18 00:00:00 EDT 2021

Research Org.:

Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

Sponsoring Org.:

USDOE National Nuclear Security Administration (NNSA)

OSTI Identifier:

1823975

Patent Number(s):

11010651

Application Number:

16/200,413

Assignee:

National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)

Patent Classifications (CPCs):

C - CHEMISTRY C09 - DYES C09K - MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE

G - PHYSICS G02 - OPTICS G02F - DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING

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C - CHEMISTRY C09 - DYES C09K - MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE

C09K19/322 - {Compounds containing a naphthalene ring or a completely or partially hydrogenated naphthalene ring}
C09K19/3483 - {the heterocyclic ring being a non-aromatic ring}
C09K19/3804 - {with mesogenic groups in the main chain}
C09K19/582 - {Electrically active dopants, e.g. charge transfer agents}
C09K2019/328 - {containing a triphenylene ring system}

G - PHYSICS G02 - OPTICS G02F - DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING

G02F1/133362 - {Optically addressed liquid crystal cells

G - PHYSICS G06 - COMPUTING G06K - RECOGNITION OF DATA

G06K19/02 - characterised by the selection of materials, e.g. to avoid wear during transport through the machine
G06K19/022 - {Processes or apparatus therefor}
G06K19/06037 - {multi-dimensional coding}
G06K19/0615 - {the marking being of the rewritable type, e.g. thermo-chromic barcodes}

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DOE Contract Number:  

NA0003525

Resource Type:

Patent

Resource Relation:

Patent File Date: 11/26/2018

Country of Publication:

United States

Language:

English