Ambilight Inc.

Purdue Research Foundation

Furcifer Inc.

Lannray Advanced Materials Co., Ltd

Jianguo Mei

Liyan You

Yan Zhou

Jiazhi He

Yan Zhao

Zhiyang Wang

Vaidehi Pandit

Wenting Wu

Aristide Gumyusenge

Ke Chen

Ashkan Abtahi

Zhifan Ke

John Andjaba

Jinhyo Hwang

Christopher Uyeda

Kuluni Perera

Xuefei Li

Christopher Rybak

Inho Song

A transparent conductor (TC) is disclosed. The TC includes an n-doped conducting polymer on a transparent substrate. Thickness of the n-doped polymerized agent is between about 10 to about 200 nm.

Methods of making n-doped transparent organic conductors and conductors made therefrom

An electrochromic device includes a first insulating substrate; a first conducting layer disposed over the first insulating substrate; an electrochromic layer disposed over the first conducting layer, an electrolyte layer disposed over the electrochromic layer; a second conducting layer disposed over the electrolyte layer; and a second insulating substrate disposed over the second conducting layer. The electrochromic layer includes an electrochromic polymer having a polymer backbone comprising one or more meta-conjugated linkers (MCLs) and one or more aromatic moieties (Ars). Each of the one or more MCLs is partially conjugated with one of the one or more Ars at a meta position of the one or more MCLs. The thickness of the electrochromic layer is from 10 nm to 5800 nm resulting in transmittance of 70%-99.9% at a wavelength of 550 nm at a neutral state of the electrochromic layer.

High transparency electrochromic polymers

A new electrochromic polymer with high optical contrast and an electrochromic device incorporating the electrochromic polymer are presented. The electrochromic polymer includes side chains selected from C-Clinear or branched alkyl.

Electrochromic polymers with high optical contrasts

An electrochromic device includes: a first insulating substrate; a first conducting layer disposed over the first insulating substrate; an electrochromic layer disposed over the first conducting layer, wherein the electrochromic layer comprises an electrochromic polymer having a polymer backbone comprising one or more meta-conjugated linkers (MCLs) and one or more aromatic moieties (Ars), wherein each of the one or more MCLs is partially conjugated with one of the one or more Ars at a meta position of the one or more MCLs; an electrolyte layer disposed over the electrochromic layer; a second conducting layer disposed over the electrolyte layer; and a second insulating substrate disposed over the second conducting layer. A thickness of the electrochromic layer is from 10 nm to 1500 nm resulting in transmittance of 85%-99.9% at a wavelength of 550 nm at a neutral state of the electrochromic layer.

This disclosure relates generally to electrochromic polymers that include a plurality of π-conjugated chromophores in spaced relation with one another, and a plurality of conjugation-break spacers (CBSs), where at least one CBS separates adjacent chromophores. The chromophores may be colored in the neutral state, and multicolored to transmissive in different oxidization states.

Multicolored electrochromic polymer compositions and methods of making and using the same

An all-donor black color electrochromic polymer is disclosed as well as a method for preparing the all-donor black color electrochromic polymer. The electrochromic polymer comprises conjugated polymers, and the conjugated polymers are chemically linked, or physically blended, or both.

All-donor black electrochromic polymer and method for preparing same

An electrochromic polymer with polar side chains is disclosed. The viscosity of the electrochromic polymer is controllable by adjusting a ratio between polar side chains and alkyl side chains for forming the electrochromic polymer. The disclosed electrochromic polymer with polar side chains can be also made into a film with a controllable thickness by coating.

Electrochromic polymers with polar side chains

This disclosure presents electrochromic devices that incorporate an n-doped organic conductive polymer, which can function as a transparent conductor, and/or ion storage material, and/or an electrochromic material in the electrochromic devices.

Electrochromic devices having n-doped conductive polymer as transparent conducting layer, ion storage layer, and/or electrochromic layer

A transistor device that includes a substrate comprising metallic gate contacts, a dielectric layer on the substrate comprising a polyimide or derivative thereof, a semiconductor layer on the dielectric layer comprising a semiconducting polymer confined in a host matrix material comprising a polyimide or derivative thereof, and source and drain contacts on the semiconductor layer.

Polyimide-based transistor devices and methods of fabricating the same

An electrochromic device includes a charge balancing thin film comprised of a new vanadium oxide with a formula of VO, which provides a high charge density, low coloration efficiency, an electroactive voltage in close proximity to those of some electrochromic materials, and high chemical and electrochromic stability. Vanadium oxide can be without doping or doped with others. The VOcharge balancing thin film has a porous nanostructure and is amorphous or a combination of amorphous and polycrystalline, and can work with electrochromic conjugated polymer in the device in a minimally color changing mode. A method to design a material for a charge balancing thin film to pair with a working electrode and obtain a low device voltage in an electrochromic device is disclosed. Methods to prepare related charge balancing thin films are also disclosed.

Vanadium oxide with a formula of VOas charge balancing material for electrochromic devices

An electrochromic polymer is comprised of a repeat unit comprising one or more meta-conjugated linkers (MCLs) and one or more aromatic moieties (Ars). Each of the one or more MCLs is partially conjugated with the one or more Ars at meta positions of the MCLs to form a polymer backbone of the electrochromic polymer. The electrochromic polymer undergoes an optical switching and a color change in an electrochromic device, which shows a high transparency and a high optical contrast.

A light-emitting electrochromic device with both electrochromic properties and light-emitting properties is disclosed. The light-emitting electrochromic device also shows multiple color-switching properties.

Light-emitting electrochromic device

This disclosure relates generally to electrochromic polymers that include a plurality of &#x3c0;-conjugated chromophores in spaced relation with one another, and a plurality of conjugation-break spacers (CBSs), where at least one CBS separates adjacent chromophores. The chromophores may be colored in the neutral state, and multicolored to transmissive in different oxidization states.

A thermally stable and solvent resistant conductive polymer composite and its manufacturing friendly preparation method are disclosed. The disclosed composite presents great electrical conductivity with thermal stability and solvent resistance. A method of mixing a host thiophene conjugated polymer and a crosslinkable silane precursor simultaneously introduces both dopant and rigid cross-linked siloxane network into polymer system. The thin film made by the disclosed thermally stable and solvent resistant conductive polymer composite can be applied to fabricate various devices.

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West Lafayette, IN, United States of America

Jianguo Mei