Patent ID: 11953780
Assignee: SUZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 7:
8. The backlight module according to claim 6, wherein a contour curve of a cross-sectional shape of each of the plurality of grooves parallel to a light-emitting plane of the LED lamp boards satisfies a following curve equation:, X
      2
     
     
      a
      2
     
    
    +
    
     
      Y
      2
     
     
      b
      2
     
    
   
   =
   1
  
  ,, where a is greater than 0, b is greater than 0, X is a coordinate value of a point on the contour curve on an x-axis, and Y is a coordinate value of the point on the contour curve on a y-axis.