An optical apparatus includes first and second substrates disposed to oppose each other, the first substrate having a first electrode provided on a surface of the first substrate nearer to the second substrate, and the second substrate having a second electrode provided on a surface of the second substrate nearer to the first substrate, and an electrolyte layer sandwiched between the first and the second substrates, and containing electro-deposition material including silver, wherein when potential of the first electrode is used as reference, a first voltage of positive polarity is applied in a first period to the second electrode, and a second voltage of positive polarity lower than the first voltage is applied in a second period after the first period to the second electrode.
Optical apparatus and automobile lighting
2017-03-07
Patent
Electronic Resource
English
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / 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,... , Vorrichtungen oder Anordnungen, deren optische Arbeitsweise durch Änderung der optischen Eigenschaften des Mediums der Vorrichtungen oder Anordnungen geändert wird zum Steuern der Intensität, Farbe, Phase, Polarisation oder der Richtung von... |
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