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LED BACKLIGHT MODULE, DISPLAY SCREEN AND DETECTION METHOD OF LED BACKLIGHT MODULE

  • US 20200133069A1
  • Filed: 09/30/2019
  • Published: 04/30/2020
  • Est. Priority Date: 10/26/2018
  • Status: Active Grant
First Claim
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1. A LED backlight module, comprising a substrate and a plurality of LED chips arranged on the substrate, wherein one first detection group is arranged on the substrate for each LED chip of more than one LED chip arranged at an interval of N LED chips connected in series, N is greater than or equal to 0, wherein the first detection group comprises a first positive electrode detection point and a first negative electrode detection point, the first positive electrode detection point and the first negative electrode detection point of the first detection group are respectively connected to a positive electrode and a negative electrode of the each LED chip.

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