From the electrical safety point of view, should comply with the relevant international and national standards. As LED is a new product, China's national standard lags behind, but the country provides product qualification test. LED lighting with international safety certificates, such as GS, CE, UL, etc.
Orange Seven Segment LED Display
0.28 inch 0.28" Three Digit 3 Common Anode
Orange Seven Segment LED Display
0.4 inch 0.4" Four Digit 4 Common Anode 0.40inch
White 7seg Display Seven Segment
LED 0.8 inch 0.8" 3 Digit Three CA CC 0.80inch
Green 7 Segment LED Display
5 inch 5" Single Digit 1 7-seg CC CA 5inch
Orange Seven Segment LED Display
1.8inch 1.8" Single Digit Common Anode CA
Green 7 Segment LED Display
0.4 inch 0.4 Four Digit 4 7-seg CC CA
Yellow Green LED 7 Segment
2.3-inch 2.3" 1 Digit Single Display Common Cathode CC
Orange Seven Segment LED Display
5.0inch 5.0" Single Digit Common Anode CA 5inch
Yellow Green 7 Segment LED
Display 0.32-inch 1 Digit Single Common Cathode CC
Orange Seven Segment LED Display
0.3 inch 0.3" Dual Digit 2 Common Anode
LED solar street lamps, LED projection lights, LED ceiling lights, LED fluorescent lights have been mass production. For example, a 10-watt LED fluorescent lamp can replace a 40-watt ordinary fluorescent lamp or energy-saving lamp.More and more LED energy-saving lamps have entered ordinary people's homes, but they are not yet popular. There are many kinds of LED energy-saving lamps. There are basically three kinds of LED energy-saving lamps on the market.
3022AGG LED
3022AGG 7-Segment
3022BGG Display
3022BGG 0.30 inch
This parameter should not be forgotten (especially for beginners) when designing and receiving orders. Because the color is different, the related parameters also vary greatly. LED current: the positive limit (IF) current of LED is mostly 20MA, and the light decay current of LED cannot be greater than IF/3, about 15MA and 18MA. The luminous intensity of LED is only proportional to IF within a certain range. When IF is 20MA, the enhancement of luminance can not be distinguished by the inner eye. Therefore, the working current of LED is generally selected in 17-19mA is more reasonable. The above is for common low power leds (0.04-0.08W), except for some piranha leds (some around 40MA ratings).
3942AGG LED
3942AGG 0.39 inch
3942BGG 7-Segment
3942BGG Display
Complete the thermal stress analysis at the system level of the LED module, study the influence of the thermal expansion coefficient mismatch, thermal conductivity difference and structural parameters between materials on the reliability of the system, and further avoid the problems of separation or splitting between materials through the front-end design, and guide the structural design and preparation process research of the module. matrix laser headlight LED, Mercedes-Benz digital headlight LED. Daimler's intelligent pixel headlamp LEDs are embedded with pixels, and these controllable pixels are packaged into a "chip".
Red
3521AW LED
3521AW 5-digit
3521BW Segment
3521BW 
