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US 10,883,693 B2Granted
Vehicle lamp
AssigneeKoito Manufacturing Co., Ltd.
InventorsTomoaki Harada, Masaya Shido, Toru Ito
Life of this patent
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Abstract
A vehicle lamp 100 includes: an organic EL element 120; a lighting circuit 200 configured to switch between lighting and lighting-off of the organic EL element 120; and a lighting control unit 202 configured to control the lighting circuit 200 so as to repeat instantaneous lighting-off in a state in which the organic EL element 120 is to be lighted. The lighting circuit 200 includes a discharge path 210 formed at least during the instantaneous lighting-off so as to discharge accumulated charges from the organic EL element 120.
Claims7
A vehicle lamp, comprising:
- an organic EL element;
- a lighting circuit configured to switch between lighting and lighting-off of the organic EL element;
- and
- a lighting control unit configured to control the lighting circuit so as to repeat instantaneous lighting-off in a state in which the organic EL element is to be lighted,
- wherein the lighting circuit includes a discharge path formed at least during the instantaneous lighting-off so as to discharge an accumulated charge from the organic EL element, and
- a repetition interval of the instantaneous lighting-off is set to 2 minutes or longer.
3 more elements
Dependencies are inferred from the claim text.