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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: KEM
  • Model Number: KEM-12057-A/BW
  • Usage: Semi-outdoor
  • Tube Chip Color: Ultra white
  • Display Function: Graphics
  • Pixels: 11mm
  • Screen Dimension: 31.8*22.75mm
  • Key words: dot matrix led display
  • Dimension: 31.8*22.75*8.5mm
  • Dot Color: white or water clear
  • Dot array: 5x7
  • Face color: Black, grey or red
  • Dot Dia.: 3mm
  • OEM: Yes
  • Package: EPE or as your request
  • Feature: Energy saving & long life
  • Origin: China

Packaging & Delivery

Packaging Details EPE
Dot Matrix LED Display
Dot Matrix LED Display
Dot Matrix LED Display
3mm 5x7 led Dot Matrix
Pictures of products

Light on:


Light off:

All of single colors and Bi-color are available controled by yourself:


Product Description


Part No

Dot array5x7
Surface colorBlack/gray
Segment colorwhite / water clear
Emitting colorUltra White
Luminous intensity180mcd/chip
Pin configurationcommon anode/common cathode

Dimension and Internal Circuit Diagram:


 Note: If this PCB layout don't meet your requirements, please contact me for other choices.






What we can do?

 Our Services

Our Services


1. We can supply you all kinds of Dot Matrix Display:

---Dot Dia. from 1.9mm to 10mm

---Array type: 5x7 dots, 5x8 dots, 8x8 dots

2. Available Emitting color: Red, green, blue, yellow, amber, white, RGB,etc

3. Available surface color: black and grey

4. Dot exposy color: milky white, water clear or same with emitting color


7 segments led display range:

 1. We can supply you all kinds of 7 segment LED display:


---Digit size: from 0.25" to 16"


---Digit Numer: 1, 2, 3, 4, 5 and 6 digits


2. Segment : 7 segment and 16 segment both available


3. Available Emitting color: Red, green, blue, yellow, amber, white, bi-color


4. Available surface color: black,grey or red


5. Lens color: white or same as emitting color







All of our led products made of Epistar led chips with 3 years warranty.


Factory Images

Main Processes of Our Segment Display(Factory pictures):


Delivery Time:


Quantity              Lead time


1-10K pcs           3-7 days


10.1K-50K pcs    7-15 days


Our safety packing for your goods:

Small carton size:40*27*40cm.
Export carton size:50*43*43cm(two small cartons packed inside)


Shipping way


 LED professional manufacturer KEM with over 11 years experience in led field,

we do believe we can become your reliable supplier!




Contact details:









Transaction History of the Supplier

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Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
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Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
73 Transactions 200,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $202,000
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