LED SOLAR SIMULATOR
First Claim
Patent Images
1. An LED based solar simulator comprising:
- a test plane for a solar cell or module to be tested;
an emitter plane comprising an array of quarter panels below the test plane fanning at least one panel, each quarter panel including;
multiple LEDs of different wavelengths in an array,a plurality of LEDs for select wavelengths per quarter panel, andtwo or more different wavelength LEDs in a plurality of class A wavelength intervals; and
mirrored sidewalls running from the emitter plane to the test plane.
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Abstract
An LED based solar simulator and method. An emitter plane includes an array of quarter panels below a test plane. Each quarter panel includes multiple close pitch LEDs of different wavelengths in an array, a plurality of LEDs for select wavelengths per quarter panel, and one or more different wavelength LEDs in a plurality of class A wavelength intervals in order to more closely match the solar spectrum.
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Citations
23 Claims
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1. An LED based solar simulator comprising:
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a test plane for a solar cell or module to be tested; an emitter plane comprising an array of quarter panels below the test plane fanning at least one panel, each quarter panel including; multiple LEDs of different wavelengths in an array, a plurality of LEDs for select wavelengths per quarter panel, and two or more different wavelength LEDs in a plurality of class A wavelength intervals; and mirrored sidewalls running from the emitter plane to the test plane. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of fabricating an LED based solar simulator comprising:
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populating a quarter panel to include multiple LEDs of different wavelengths; joining quarter panels to form a panel; joining panels to form an emitter plane; and forming a test plane spaced from the emitter plane via sidewalls including mirrored surfaces. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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22. A method of simulating the solar spectrum comprising:
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connecting an LED driver subsystem to individual quarter panels of an image plane including numerous said quarter panels each including a plurality of LEDs of different wavelengths a number of which include multiple LEDs; using the LED driver subsystem to control the power applied to individual LEDs and/or strings of LEDs of the same wavelength; monitoring the output at the image plane; and adjusting the LED driver subsystem in response. - View Dependent Claims (23)
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Specification