| http://www.w3.org/ns/prov#value | - Patent US7223958 - Device for and method of driving an electro-optical device - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsTo provide an electro-optical device, such as a display or a printer head having a self-luminous element, in which a light-emitting state of a light-emitting element is detected.
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