A variable-focus lighting device and a variable-focus lighting system have one light source and are used to adjust the position and focus of light that is emitted, among various positions in an interior space. An installation space on an interior roof is reduced and manufacturing costs are reduced.


    Access

    Download


    Export, share and cite



    Title :

    VARIABLE-FOCUS LIGHTING DEVICE AND VARIABLE-FOCUS LIGHTING SYSTEM


    Contributors:

    Publication date :

    2022-12-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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 / F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / H05B ELECTRIC HEATING , Elektrische Heizung



    Variable-focus lighting device and variable-focus lighting system

    PARK SUNG HO / LIM JUNG WOOK | European Patent Office | 2024

    Free access

    Variable focus lighting device and variable focus lighting system

    PARK SUNG-HO / LIM JUNG-WOOK | European Patent Office | 2022

    Free access

    VARIABLE FOCUS LAMP APPARATUS AND VARIABLE FOCUS LAMP SYSTEM

    PARK SUNG HO / LIM JUNG WOOK | European Patent Office | 2022

    Free access

    Lighting device with multiple-focus mode

    CORNELISSEN HUGO JOHAN / HILGERS ACHIM / CROMPVOETS FLORIS MARIA HERMANSZ et al. | European Patent Office | 2021

    Free access

    LIGHTING DEVICE WITH MULTIPLE-FOCUS MODE

    CORNELISSEN HUGO JOHAN / HILGERS ACHIM / CROMPVOETS FLORIS MARIA HERMANSZ et al. | European Patent Office | 2018

    Free access