Individual led lights are not lit

Individual led lights are not lit

The led tube lights incorporate a “constant-current” circuit design; meaning single led lights operate independently from other leds on the circuit board. a few individual unlit led lights will not greatly impact the overall light output and do not affect the other leds on the board. 

OBS offer 5 years warranty, when first installed, has more than 5 individual leds that are not lit, please contact with us.

LED tube light is blinking?

LED tube light is blinking

a.  Bad contact 

ensure that the contact points on both sides of the fluorescent bracket have a good connection to the contacts on the end of the led tube light. gently rotate the led tube light or adjust the lamp stand spacing.

b.  input voltages are wrong 

Please confirm that the voltage used under right scope. if ballast inside lamp holder, please make sure the voltage output of ballast match that of led tubes.

c  damaged during transport or handling 

Gently shake the led tube and listen for any rattling sounds. if there is, it may indicate that the tube has been damaged during transit or handling. 

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LED tube light is not working after installation.

LED tube light is not working after installation.

a. Confirm that power is switched on. 
If required, use a multimeter to confirm that power is running to the inputs and that it is the correct voltage.

b. Bad contact 
Ensure that the contact points on both sides of the fluorescent bracket have a good connection to the contacts on the end of the led tube light. gently rotate the led tube light or adjust the lamp stand spacing.

c. Damaged during transport or handling 
Gently shake the led tube and listen for any rattling sounds. if there is, it may indicate that the tube has been damaged during transit or handling.

Why LED Tube price difference?

Today LED Tube market price of the so-called changeable.

      Take LED Tube examples. 1.2 m the T8 18WLED in fluorescent light, it was sold for the price of $7, and some company was sold for $66, why not so much price volatility? Here I will explain it.

Price different reasons:

First, the radiator: radiator cooling speed of decision lamp beads light fades.

Second, the power drive: power-driven quality determines the overall life of the lamp beads, lamp beads almost does not matter, but drive with low-grade, LED fluorescent tube can easily be burned. Lamp beads by differential is light fades faster than normal.

Third, lamp beads: Chip differences, different packaging skills determines their different prices, many customers concerned about the specifications of lamp beads 3528 or 3014, in fact, really should be concerned about is the size of the chip and manufacturers.

      Is caused by more than a few reasons to order gap between big and small, probably you do not believe, well I use practical examples to example. 3528 beads cheap dime a 288 is $5, the better Taiwan wafer lamp beads is $2.3, the gap 14.4 $2.8; the cheap driver is $2.3 a, isolated power supply is $4.6, the inexpensive $ 26.5. We know why the price gap, right?

LED Power Driver for LED Tube

OBS offer 3 LED Power Driver for Tube Light as follow:



Internal Isolated LED Power Driver



Internal Un-isolated LED Power Driver



External Isolated LED Power Driver

What is A LED tube made of ?

What is A LED tube made of?

Part 1.


1. Market Barrier (Safety Certificate - Entrance to Market)

2. LED Tube_Metrics -

A. Performance (1200mm tube lumen light output -

Min 1400lm~1500lm

Std 1800lm~2200lm

Max 2400lm~2800lm
B. Luminaries Efficiency Performance
Min 80lm/W~85lm/W
Std 90lm/W~105lm/W
Max 120lm/W~125lm/W

C. CRI
Worst 65~68 R9<0
Std 70~80 0<R9<10
Best 87~90 R9>30
D. Warranty
Worst 1 year or no guarantee
Std 2 years
Best 3 years

E. Power Factor & Total Harmonic Distortion

Worst 90,
Std 95, 25
Best 99, 10


Part 2.

How to choose LED package?
1. LED Package
Lumen Maintenance
- Component-level performance through TM-21 protocols
A. Driving Current
B. LM-80-08
C. In-situ Temperature

LED Bulb Lighting for Indoor

Proper indoor lighting creates a mood that welcomes you and your friends to home. OBS' energy efficient solid state LED interior lighting solutions offers you both the quality and choice to turn your house into a home while cutting your rising electric bill. OBS' indoor LED lighting uses about 10% of the electricity of traditional incandescent bulbs. That results in up to a 90% savings on your lighting electric costs!

With a wide range of color temperatures from the golden glow of warm whites to brighter natural white and daylight white LED colors OBS interior LED lights can set the mood for your home and office.

LED lighting is being billed as the best long-term solution for all lighting needs. Its environmental benefits and energy efficiency make it worthwhile for the world.

OBS commercial lighting engineers and sale professionals will work with you to show you how to incorporate the latest sustainable, energy efficient lighting systems.