| CPC F21V 5/007 (2013.01) [F21V 17/101 (2013.01); F21Y 2115/10 (2016.08)] | 17 Claims | 

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               1. A lighting apparatus, comprising: 
            a light source plate; 
                multiple LED chips mounted on the light source plate; 
                a driver module surrounded by the multiple LED chips; and 
                multiple lens units, wherein each lens unit has an interior space for enclosing one corresponding LED chip, wherein a bottom ratio between a horizontal dimension of the LED chip and a bottom area of the interior space is between 60% to 80%, wherein an air passage of the light source plate corresponding to the LED chip is disposed aside the LED chip, wherein a top opening of the air passage is within the interior space. 
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