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Light source module

  • US 10,458,605 B2
  • Filed: 11/17/2016
  • Issued: 10/29/2019
  • Est. Priority Date: 05/25/2016
  • Status: Active Grant
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Assignment
First Claim
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1. A light source module, comprising:

  • a wiring board; and

    an LED array electrically connected to the wiring board which is driven to emit a first group of emission peaks in 300 nm≤

    λ

    max<

    450 nm, a second group of emission peaks in 450 nm≤

    λ

    max<

    550 nm, and a third group of emission peaks in 550 nm≤

    λ

    max<

    600 nm, wherein the LED array includes a plurality of LED elements for emitting the first group of emission peaks, the second group of emission peaks and the third group of emission peaks, respectively; and

    a peak intensity Ia of each emission peak in the first group is in a range of 0<

    Ia≤

    0.9 and the peak intensity Ib of each emission peak in the third group is in a range of 0<

    Ib≤

    0.9 and at least three of the emission peaks in the second group have peak intensity in a range of 0.28 to 0.94 when a maximum peak intensity of the emission peaks in the second group is taken as 1.0;

    wherein the LED array is selected from the group consisting of;

    an array including at least two 390 nm LED elements, at least three 410 nm LED elements, at least three 430 nm LED elements for emitting the first group of emission peaks;

    at least one 450 nm LED element, at least six 470 nm LED elements at least eight 490 nm LED elements, at least seven 510 nm LED elements, at least nine 530 nm LED elements for emitting the second group of emission peaks; and

    at least seven 550 nm LED elements, and three 570 nm LED elements for emitting the third group of emission peaks;

    an array including at least one 390 nm LED element, least two 410 nm LED elements, at least two 430 nm LED elements for emitting the first group of emission peaks;

    at least three 450 nm LED elements, at least four 470 nm LED elements, at least six 490 nm LED elements, at least five 510 nm LED elements, at least six 530 nm LED elements for emitting the second group of emission peaks; and

    at least eight 550 nm LED elements, and twelve 570 nm LED elements for emitting the third group of emission peaks;

    an array including at least one 390 nm LED element, at least three 410 nm LED elements, and at least three 430 nm LED elements for emitting the first group of emission peaks;

    at least three 450 nm LED elements, at least six 470 nm LED elements, at least eight 490 nm LED elements, at least six 510 nm LED elements, and at least six 530 nm LED elements for emitting the second group of emission peaks; and

    at least six 550 nm LED elements, and at least seven 570 nm LED elements for emitting the third group of emission peaks; and

    an array including at least one 390 nm LED element, at least two 410 nm LED elements, and at least four 430 nm LED elements for emitting the first group of emission peaks;

    at least two 450 nm LED elements, at least six 470 nm LED elements, at least nine 490 nm LED elements, at least seven 510 nm LED elements, and at least six 530 nm LED elements for emitting the second group of emission peaks; and

    at least six 550 nm LED elements, and at least six 570 nm LED elements for emitting the third group of emission peaks.

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