Luckylight offers a full range of 7-segment displays ranging from standard brightness displays to ultra bright displays. Single Digit, Dual Digit, Three Digit and Four Digit displays are available in assorted character heights and colors.

Luckylight’s 7-segment LED displays are used in a wide variety of end products including test and measurement equipment, point-of-sale terminals, telecom systems, office equipment, consumer electronics, and medical equipment. Size options for Through Hole and surface mount packages include 7mm, 10mm, 14.2mm, 20.32mm, 25.4mm and 30.48mm. Color choices include green, red, yellow, white, blue and orange.

The highly integrated customization capability of Luckylight 7-segment displays also enables the products to fit well to specific customer design needs, making the products unique to the customers’ applications.

Luckylight offers many kinds of 7-segment LED displays which are categorized by Digit Number, Polarity, Face Color and Emitting Color. The parametric filters () on our website can help refine your search results depending on the required specifications.

Select Product Line

Part Number View Picture Emitting Color

Face Color

Digit Height
inch(mm)

Polarity Digit Number

λd(nm)
CIE(x,y)

DataSheet
KW4-361xxA Series KW4-361AGA
Yellow Green
Gray 0.36(9.20) Common Anode Four Digit 572 Download
KW4-361xxA Series KW4-361CGA
Yellow Green
Gray 0.36(9.20) Common Cathode Four Digit 572 Download
KW4-361xxA Series KW4-361AAA
Orange
Gray 0.36(9.20) Common Anode Four Digit 605 Download
KW4-361xxA Series KW4-361CAA
Orange
Gray 0.36(9.20) Common Cathode Four Digit 605 Download
KW4-361xxA Series KW4-361AVA
Red
Gray 0.36(9.20) Common Anode Four Digit 624 Download
KW4-361xxA Series KW4-361CVA
Red
Gray 0.36(9.20) Common Cathode Four Digit 624 Download
KW4-30GxxA Series KW4-30GAGA
Yellow Green
Gray 0.30(7.62) Common Anode Four Digit 572 Download
KW4-30GxxA Series KW4-30GCGA
Yellow Green
Gray 0.30(7.62) Common Cathode Four Digit 572 Download
KW4-30GxxA Series KW4-30GAAA
Orange
Gray 0.30(7.62) Common Anode Four Digit 605 Download
KW4-30GxxA Series KW4-30GCAA
Orange
Gray 0.30(7.62) Common Cathode Four Digit 605 Download
KW4-30GxxA Series KW4-30GAVA
Red
Gray 0.30(7.62) Common Anode Four Digit 624 Download
KW4-30GxxA Series KW4-30GCVA
Red
Gray 0.30(7.62) Common Cathode Four Digit 624 Download
KW3-401xxA Series KW3-401AWA
White
Gray 0.40(10.20) Common Anode Three Digit x=0.27, y=0.28 Download
KW3-401xxA Series KW3-401CWA
White
Gray 0.40(10.20) Common Cathode Three Digit x=0.27, y=0.28 Download
KW3-401xxA Series KW3-401ABA
Blue
Gray 0.40(10.20) Common Anode Three Digit 470 Download
KW3-401xxA Series KW3-401CBA
Blue
Gray 0.40(10.20) Common Cathode Three Digit 470 Download
KW3-401xxA Series KW3-401AGA
Yellow Green
Gray 0.40(10.20) Common Anode Three Digit 572 Download
KW3-401xxA Series KW3-401CGA
Yellow Green
Gray 0.40(10.20) Common Cathode Three Digit 572 Download
KW3-401xxA Series KW3-401AAA
Orange
Gray 0.40(10.20) Common Anode Three Digit 605 Download
KW3-401xxA Series KW3-401CAA
Orange
Gray 0.40(10.20) Common Cathode Three Digit 605 Download
KW3-401xxA Series KW3-401AVA
Red
Gray 0.40(10.20) Common Anode Three Digit 624 Download
KW3-401xxA Series KW3-401CVA
Red
Gray 0.40(10.20) Common Cathode Three Digit 624 Download
KW3-521xxA Series KW3-521AWA
White
Gray 0.52(13.20) Common Anode Three Digit x=0.30, y=0.31 Download
KW3-521xxA Series KW3-521CWA
White
Gray 0.52(13.20) Common Cathode Three Digit x=0.30, y=0.31 Download
KW3-521xxA Series KW3-521ABA
Blue
Gray 0.52(13.20) Common Anode Three Digit 470 Download
KW3-521xxA Series KW3-521CBA
Blue
Gray 0.52(13.20) Common Cathode Three Digit 470 Download
KW3-521xxA Series KW3-521AGA
Yellow Green
Gray 0.52(13.20) Common Anode Three Digit 572 Download
KW3-521xxA Series KW3-521CGA
Yellow Green
Gray 0.52(13.20) Common Cathode Three Digit 572 Download
KW3-521xxA Series KW3-521AAA
Orange
Gray 0.52(13.20) Common Anode Three Digit 605 Download
KW3-521xxA Series KW3-521CAA
Orange
Gray 0.52(13.20) Common Cathode Three Digit 605 Download
KW3-521xxA Series KW3-521AVA
Red
Gray 0.52(13.20) Common Anode Three Digit 624 Download
KW3-521xxA Series KW3-521CVA
Red
Gray 0.52(13.20) Common Cathode Three Digit 624 Download
KW1-1002xxB Series KW1-1002AWB
White
Black 1.00(25.40) Common Anode Single Digit x=0.30, y=0.31 Download
KW1-1002xxB Series KW1-1002CWB
White
Black 1.00(25.40) Common Cathode Single Digit x=0.30, y=0.31 Download
KW1-1002xxB Series KW1-1002ABB
Blue
Black 1.00(25.40) Common Anode Single Digit 470 Download
KW1-1002xxB Series KW1-1002CBB
Blue
Black 1.00(25.40) Common Cathode Single Digit 470 Download
KW1-1002xxB Series KW1-1002APGB
Pure Green
Black 1.00(25.40) Common Anode Single Digit 525 Download
KW1-1002xxB Series KW1-1002CPGB
Pure Green
Black 1.00(25.40) Common Cathode Single Digit 525 Download
KW1-1002xxB Series KW1-1002AAB
Orange
Black 1.00(25.40)
  • Common Anode
  • Common Cathode
Single Digit 605 Download
KW1-1002xxB Series KW1-1002CAB
Orange
Black 1.00(25.40) Common Cathode Single Digit 605 Download
KW1-1002xxB Series KW1-1002AVB
Red
Black 1.00(25.40) Common Anode Single Digit 624 Download
KW1-1002xxB Series KW1-1002CVB
Red
Black 1.00(25.40) Common Cathode Single Digit 624 Download
KW4-311xxA Series KW4-311AGA
Yellow Green
Gray 0.31(8.00) Common Anode Four Digit 572 Download
KW4-311xxA Series KW4-311CGA
Yellow Green
Gray 0.31(8.00) Common Cathode Four Digit 572 Download
KW4-311xxA Series KW4-311AAA
Orange
Gray 0.31(8.00) Common Anode Four Digit 605 Download
KW4-311xxA Series KW4-311CAA
Orange
Gray 0.31(8.00) Common Cathode Four Digit 605 Download
KW4-311xxA Series KW4-311AVA
Red
Gray 0.31(8.00) Common Anode Four Digit 624 Download
KW4-311xxA Series KW4-311CVA
Red
Gray 0.31(8.00) Common Cathode Four Digit 624 Download
KW4-281xxA Series KW4-281AGA
Yellow Green
Gray 0.28(7.00) Common Anode Four Digit 572 Download
KW4-281xxA Series KW4-281CGA
Yellow Green
Gray 0.28(7.00) Common Cathode Four Digit 572 Download
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