| CPC G02F 1/133614 (2021.01) [G02B 6/0001 (2013.01)] | 20 Claims | 

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               1. A device comprising: 
            a photonic integrated circuit configured to transmit light of a first color; 
                a pair of spaced-apart reflectors; 
                a color conversion layer, located within an optical cavity defined by the pair of spaced-apart reflectors, configured to: 
                receive the light of the first color from the photonic integrated circuit; and 
                  convert at least a portion of the light of the first color into light of a second color that is different from the first color; and 
                a display configured to be illuminated by the light of the first color and the light of the second color. 
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