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Mu00e0n hu00ecnh LED (Light Emitting Diodes) lu00e0 mu1ed9t cu00f4ng nghu1ec7 hiu1ec3n thu1ecb u0111u01b0u1ee3c su1eed du1ee5ng ru1ed9ng ru00e3i trong nhiu1ec1u u1ee9ng du1ee5ng, tu1eeb tivi, mu00e0n hu00ecnh mu00e1y tu00ednh, mu00e0n hu00ecnh quu1ea3ng cu00e1o cho u0111u1ebfn biu1ec3n bu00e1o. Vu1edbi nhu1eefng u01b0u u0111iu1ec3m vu01b0u1ee3t tru1ed9i nhu01b0 tiu1ebft kiu1ec7m nu0103ng lu01b0u1ee3ng, u0111u1ed9 phu00e2n giu1ea3i cao vu00e0 khu1ea3 nu0103ng hiu1ec3n thu1ecb mu00e0u su1eafc u0111u1ed9ng, mu00e0n LED u0111u00e3 tru1edf thu00e0nh lu1ef1a chu1ecdn hu00e0ng u0111u1ea7u cu1ee7a nhiu1ec1u ngu01b0u1eddi du00f9ng.
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