What's 7 segment led display ?

2025-07-18

What's 7 segment led display ？

7 Segment LED Display is a digital display device composed of multiple light-emitting diodes packaged. It displays the numbers from 0 to 9 and some letters by controlling the on and off of different segments of leds. The standard seven-segment digital tube consists of seven strip-shaped leds (A-G segments) and one circular decimal point (DP segment), and is connected in a common cathode or common anode manner.

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Composition: 7 segments + decimal point ("8.")

Display principle: Different combinations of segments can display 16 types of characters

Drive mode: It needs to be used in conjunction with driver IC (such as 74HC595)

Technical parameters: Common size 0.3-1.8 inches, working voltage 2-3V/per LEDs

Application of Segment LED Displays:

1.Home appliance (Ovens,Refrigerator, air conditioner, range hood etc.)

2.industrial instruments

3.Traffic countdown sign

4.LED clock display

5.Elevator

Technical parameters of Segment LED Display:

LEDs CODE	EMITTINGCOLOUR	WAVELENGTH(NM)	LUMINOUS INTENSITY(MCD)	FORWARD VOLTAGE(V)	FORWARD CURRENT(mA)
R	SUPER BRIGHT RED	630-635	50-60	1.8-2.2	5-10
UR	ULTRA BRIGHT RED	620-625	90-100	1.8-2.2	5-10
J	YELLOW GREEN	569-573	30-40	1.8-2.4	5-10
Y	YELLOW (AMBER)	585-595	50-60	1.8-2.4	5-10
F	ORANGE	600-605	50-60	1.8-2.4	5-10
G	PURE GREEN	515-525	120-160	2.5-3.0	5-10
BH(B)	BLUE	460-470	100-120	2.6-3.0	5-10
WH(W)	WHITE	/	120-140	2.6-3.0	5-10

Absolute Maximum Ratings(Ta=25℃)

Parameter	Symbol	Ratings	Unit
Forward Current(per dice)	Ipm	20	mA
Reverse Voltage(per dice)	Vr	5	V
Power Dissipation(per dice)	Pm	80	mW
Operating Temperature Range	Topr	-40～+85/120	℃
Storage Temperature Range	Tstg	-40～+85/120	℃
Solder Temperature(3 sec)	Th	260	℃

LED working lifetime 100,000hrs, Absolute Maximum Rating at Ta=25℃

7 Segment LED Display

14 Segment LED Display

16 Segment LED Display

Alphanumeric LED Display

5x7 Dot Matrix LED Display

8x8 Dot Matrix LED Display

Dot Matrix LED Display

Custom LED Display

Oven Timer LED Display

Temperature Control LED Display

Electric Scooter LED Display

Numeric LED Display

LED Clock Display

Arrow LED Display

LED Backlight

LED Light Bar

SMD LED Display

7 Segment LED Display

14 Segment LED Display

16 Segment LED Display

Alphanumeric LED Display

5x7 Dot Matrix LED Display

8x8 Dot Matrix LED Display

Dot Matrix LED Display

Custom LED Display

Oven Timer LED Display

Temperature Control LED Display

Electric Scooter LED Display

Numeric LED Display

LED Clock Display

Arrow LED Display

LED Backlight

LED Light Bar

SMD LED Display

What's 7 segment led display ?

What's 7 segment led display ?