1. Wider viewing angle: COB lighting angle is about 175 degree. SMD lighting angle is about 120 degree.
COB

Ours: COB SMD

2. Ultra-thin:
2.1 Our LED chips soldered directly on the high-quality PCB and save more space especially for double-sided LED screen.
2.2 Good heat dissipation & less lighting attenuation: because COB dispensing chip is directly in the PCB, the area of heat dissipation is more wider than SMD technology, and it’s lighting attenuation is more better. The area of heat dissipation is the bottom neck to SMD, for its chip fixed on the bottom of the PPA bracket
2.3 Light Weight and even with outside aluminum or plastic frames, its thickness can be still 2-5cm only. Easy transportation and save freight cost.

COB and traditional one

(The left one is our COB item)

3. Flexible: flexibility is one of the excellent characteristics of COB modules. So COB modules can be shaped canopy screen, arc shaped screen, circle shaped screen and wave shaped screen. It is the ideal choose for bars and nightclubs. COB screen is with seamless splice, simple structure, and lower price which less than FPCB and traditional LED shaped screen. For example, P4 RGB modules can be made into circle shaped screen with min diameter 50CM. Because of the excellent performance, COB module was widely used in airport,station,mall and so on.
Shaped LED2

LIGHTKEY COB module
4. Better LED chips and other raw materials: key for long-term application with stability and reliability.
COB (Chip on Board), Encapsulating RGB chip on the PCB, It’s a totally new encapsulation technical which is different from DIP and SMD

	COB	SMD
Chip	Big chip	Small chip,not enough space for small size chip encapsulated on the welding basement
Bonding wire	Pure golden wire	copper wire,alloy wire for better, aluminum for worse
Bracket	Immersion gold process on welding basement	Copper bracket, steel bracket, immersion silver process on welding basement

5. Durability: can used in different harsh environments
5.1 Anti-collision&shock COB is not easily damaged in contrast to SMD
5.2 Anti-water&Damp COB can be wiped clean with a wet cloth,in contrast to SMD
5.3 Anti-dust&Oxidation COB is dust-proof,in contrast to SMD

LMS-1-P7622-16URUG
NO.	Item	Parameter
1	Pitch	7.62mm
2	Density	17222 Dot/M²
3	Color	1R1G
4	Unit panel /display size	244mm128mm/244mm122mm
5	Unit panel resolution	16*32
6	Unit panel Weight	113g
7	Scan Mode	1/16
8	Production methods	COB
9	Chip Brand	R:Epistar G:Silan
10	PCB specification	Immersion Gold finishing，Line Copper thick 40um，Hole copper thick 20um，Ni:120u″，Au:1u″
11	COB protection Glue	Epoxy resin，TG 135 degree
12	Driving Mode	constant current drive
13	constant-current source	TW MBI5124
14	Best Viewing distance	12m
15	Horizontal view angle	180°

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16x32 ultra-thin flexible indoor LED display module

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