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Light-emitting device having first and second wiring patterns

  • US 9,893,038 B2
  • Filed: 03/17/2016
  • Issued: 02/13/2018
  • Est. Priority Date: 03/18/2015
  • Status: Active Grant
First Claim
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1. A light-emitting device comprising:

  • a base;

    a plurality of wiring patterns formed on the base, the wiring patterns being formed using at least one method selected from the group consisting of vapor deposition, sputtering, printing, and plating;

    a plurality of light-emitting elements arranged on the base and/or the wiring patterns; and

    a plurality of wires;

    wherein the plurality of light-emitting elements include;

    a first group of light-emitting elements that are covered with a first sealing member and constitute a first light-emitting unit, anda second group of light-emitting elements that are covered with a second sealing member and constitute a second light-emitting unit, the second sealing member surrounding the first sealing member;

    wherein the plurality of wiring patterns include;

    a plurality of first wiring patterns that drive the light-emitting elements of the first light-emitting unit, anda plurality of second wiring patterns that drive the light-emitting elements of the second light-emitting unit;

    wherein the plurality of wires include;

    a plurality of first wires that connect the first wiring patterns to one another, and connect the light-emitting elements of the first light-emitting unit to one another, anda plurality of second wires that connect the second wiring patterns to one another, and connect the light-emitting elements of the second light-emitting unit to one another,wherein the second wiring patterns are separated from each other such that at least one of the first wiring patterns is interposed between adjacent ones of the second wiring patterns; and

    wherein at least one of the second wires connects said adjacent ones of the second wiring patterns and straddles said at least one first wiring pattern that is interposed between said adjacent ones of the second wiring patterns.

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