Electrochromic-photovoltaic film for light-sensitive control of optical transmittance

Branz, Howard M; Crandall, Richard S; Tracy, C Edwin

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Title: Electrochromic-photovoltaic film for light-sensitive control of optical transmittance

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Abstract

A variable transmittance optical component includes an electrochromic material and a photovoltaic device-type thin film solar cell deposited in a tandem type, monolithic single coating over the component. A bleed resistor of a predetermined value is connected in series across the electrochromic material and photovoltaic device controlling the activation and deactivation of the electrochromic material. The electrical conductivity between the electrochromic material and the photovoltaic device is enhanced by interposing a transparent electrically conductive layer.

Inventors:

Branz, Howard M ^[1]; Crandall, Richard S ^[2]; Tracy, C Edwin ^[2]

Boulder, CO
Golden, CO

Issue Date:: Sat Jan 01 00:00:00 EST 1994

Research Org.:: Midwest Research Institute, Kansas City, MO (United States)

OSTI Identifier:: 869685

Patent Number(s):: 5377037

Assignee:: Midwest Research Institute (Kansas City, MO)

Patent Classifications (CPCs):: G - PHYSICS G02 - OPTICS G02C - SPECTACLES

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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G - PHYSICS G02 - OPTICS G02C - SPECTACLES
G02C7/101 - {having an electro-optical light valve

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
G02F1/1354 - {having a particular photoconducting structure or material}
G02F1/155 - Electrodes
G02F1/163 - Operation of electrochromic cells, e.g. electrodeposition cells

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DOE Contract Number:: AC02-83CH10093

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: electrochromic-photovoltaic; film; light-sensitive; control; optical; transmittance; variable; component; electrochromic; material; photovoltaic; device-type; solar; cell; deposited; tandem; type; monolithic; single; coating; bleed; resistor; predetermined; value; connected; series; device; controlling; activation; deactivation; electrical; conductivity; enhanced; interposing; transparent; electrically; conductive; layer; transparent electrically; transparent electrical; film solar; solar cell; electrically conductive; photovoltaic device; electrical conductivity; predetermined value; conductive layer; electrochromic material; bleed resistor; optical component; variable transmittance; sensitive control; /359/351/

Citation Formats


                    Branz, Howard M, Crandall, Richard S, and Tracy, C Edwin. Electrochromic-photovoltaic film for light-sensitive control of optical transmittance.  United States: N. p., 1994. 
        Web.

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                    Branz, Howard M, Crandall, Richard S, & Tracy, C Edwin. Electrochromic-photovoltaic film for light-sensitive control of optical transmittance.  United States.

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                    Branz, Howard M, Crandall, Richard S, and Tracy, C Edwin. Sat .  
        "Electrochromic-photovoltaic film for light-sensitive control of optical transmittance".  United States.  https://www.osti.gov/servlets/purl/869685.

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@article{osti_869685,

  title        = {Electrochromic-photovoltaic film for light-sensitive control of optical transmittance},

  author       = {Branz, Howard M and Crandall, Richard S and Tracy, C Edwin},

  abstractNote = {A variable transmittance optical component includes an electrochromic material and a photovoltaic device-type thin film solar cell deposited in a tandem type, monolithic single coating over the component. A bleed resistor of a predetermined value is connected in series across the electrochromic material and photovoltaic device controlling the activation and deactivation of the electrochromic material. The electrical conductivity between the electrochromic material and the photovoltaic device is enhanced by interposing a transparent electrically conductive layer.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Sat Jan 01 00:00:00 EST 1994},

  month        = {Sat Jan 01 00:00:00 EST 1994}

}

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