Ultra-clear Indoor COB Display Led Small Pixel Pitch Screen
COB LED Display description:
|R Series Models|
|Certification||CE ETL FCC RoHS|
Light weight, low burden to installation area
Duplicate power supply & double signals warm backup,signals detective and alarm function
Q1: why should you buy from us not from other suppliers?
* A member of Ledman Group(stock code: 300162), more than 13 years in Led history
* 130000m² manufacture bases in Shenzhen City & Huizhou City
* National Hi-tech Certificate Enterprise with ISO9001- 2008 standard
* 40+ R&D engineers & 60+ invention, industrial design and utility model patents
* OEM & ODM optional, multi-solutions provider
* On-time delivery, consistent supply, competitive prices, perfect after-sale service
Q2: Do you provide any free spare parts in each order?
Yes, a certain amount of spare parts will be provided for free spare parts , including module,power supply,receiving card,led lamp,IC etc.
Q3: If have quality problems, how do you solve them?
Please provide relevant videos and photos within one month of receipt of the shipment. We will verify it at first. If it is really quality problem, we will work with the engineer to assist you in solving the problem. If we Can not solve it, we will give you a refund or resend you new one for free, but we will not bear the freight.
Q4:What is LED?
LED is sanded for Light Emitting Diode, a kind of semiconductor which is used to give and receive the electronic signal into infrared rays or light, using the characteristics of compound semiconductor. This is used for household appliances, remote controller, electric bulletin board, various kinds of automation appliances.
Q5:What is Drive Method, driving IC and Power supply?
Drive Method: always we use static, 1/4 s, 1/8 s, 1/16 s, the latter one contributes to less brightness than the former. We always use the static outdoor, and use the different kinds of Cube indoor.
Driving IC is the generic term for several kinds of IC, that are used to control the LED lamps, and as a bridge between the control system and lamps.
Power supply: a kind of device that used as a transfer from 220V AC into 5V DC. It always seems like a box in the cabinet.
Q6: What is viewing angle?
Viewing angle is the maximum angle at which a display Cube be viewed with acceptable visual performance. It includes horizontal viewing angle and vertical viewing angle.