2835 lamp beads LED fluorescent lighting effect
2835 single lamp beads have 0.12W 14-16LM (chip size is 10*23nm) and 0.2W 22-24LM (chip size is 10*30nm), both of which are suitable for daylight.
Analysis of advantages and disadvantages:
(1) The 2835 lamp bead uses a vertical packaging structure: the chip is directly connected to the heat sink, and the area of the heat sink is about twice that of 3014, which further improves the heat dissipation performance of the lamp bead itself, so that it can withstand greater current (40-60mA). ), the brightness is also higher, and the excellent heat dissipation performance design is also more guarantee for the light attenuation and life of the LED chip;
(2) Ultra-thin structure: The thickness of 2835 is also 0.8mm, which can solve the spot problem of 3528; super large light-emitting surface (square light-emitting surface): can increase the light output rate: up to 90%.
(3) Cost: Take 20W as an example: 1. If you choose to use the 2835 with 0.12W 14-16LM, then the 20W fluorescent lamp needs 144 lamp beads. The cost of the light source is: 144*0.17 yuan/cap = 24.48 yuan, do The brightness of the whole lamp is: 144*15LM (the middle value of the brightness of a single lamp bead) *0.9 (power factor) *0.9 (light output rate) = 1749LM (the brightness of the whole lamp is about 1749LM). 2. 1. If you choose to use the 2835 with 0.2W 22-24LM, then the 20W fluorescent lamp needs 100 lamp beads. The cost of the light source is: 100 pcs * 0.19 yuan/cap = 19 yuan, the brightness of the whole lamp is: 100 Particles * 22LM (the middle value of the brightness of a single lamp bead) * 0.9 (power factor) * 0.9 (light output rate) = 1782LM (the brightness of the whole lamp is about 1782LM).
20w light efficiency reaches 90lm/W, entering the ranks of high-end LED fluorescent lamps
