- Patent Title: Vehicle lighting device including circuit portions having at least one light emitting diode, and control portion that controls connection state of circuit portions
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Application No.: US15454037Application Date: 2017-03-09
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Publication No.: US10654404B2Publication Date: 2020-05-19
- Inventor: Daisuke Kosugi , Atsushi Heike
- Applicant: Toshiba Lighting & Technology Corporation
- Applicant Address: JP Yokosuka-shi, Kanagawa-ken
- Assignee: Toshiba Lighting & Technology Corporation
- Current Assignee: Toshiba Lighting & Technology Corporation
- Current Assignee Address: JP Yokosuka-shi, Kanagawa-ken
- Agency: Banner & Witcoff, Ltd.
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@2d8fe8f6
- Main IPC: H05B45/50
- IPC: H05B45/50 ; B60Q1/26 ; H05B45/44
Abstract:
A vehicle lighting device includes a plurality of circuit portions that have at least one light emitting element; and a control portion that is electrically connected to the plurality of circuit portions. The control portion detects an input voltage and connects the plurality of circuit portions in series when the detected input voltage exceeds a predetermined value and connects at least a part of the plurality of circuit portions in parallel when the detected input voltage is equal to or less than the predetermined value.
Public/Granted literature
- US20180029527A1 Vehicle Lighting Device and Vehicle Lamp Public/Granted day:2018-02-01
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