1. Classification by Application.
LED display could be used for indoor, outdoor or semi-outdoor applications.
Indoor LED display generally ranges from less than 1 square meter to over 10 square meters. It's usually used for indoor applications. This type of LED display has a moderate brightness, large viewing angle, but light weight. It's suitable for watching at a close range.
Outdoor LED display's area is from several square meters to 10 or even hundreds of square meters. Its brightness is around 5500~8500cd/sqm. This display sreen can be used under the direct sunlight. It's better for watching from a certain distance, say tens of meters. Besides, this outdoor LED display is weather-proof and lightning-resistant.
|LED Display (Times Square, NY)|
Semi-outdoor LED display screen has a relatively higher brightness than indoor LED display. It can be used for outdoor application in condition that there's no direct sunlight. It's generally used under eaves or in shop window.
2. Classification by ColorMonochrome LED display, Biocolor LED display, Full-color LED display
Monochrome LED display has only one color light-emitting materials, which usually is red. Yellowgreen is also used for some special circumstance, such as in funeral parlour.
Biocolor LED display is composed by the red and green LED lights. 256 biocolor display can display 65,536 colors.
Full-color LED display is consisted of red, green and blue LED lights. It could white balance and 16,777,216 colors.
3. Classification by Control: Synchronous and Asynchronous
Synchronization means that LED display works basically like a computer monitor. The display screen updates pictures at a rate of at least 30 fields/sec.
Asynchronous refers that LED display screen has storage and auto-play function. You could edit text content and images with PC, and upload to LED screen via the serial interface or other network; then the display would play offline automatically. This kinds of display is generally used for displaying text information.
4. Classification by Pixels
Indoor LED display:
∮3.0mm 62500 pixels/sqm
∮3.75mm 44321 pixels/sqm
∮5.0mm 17222 pixels/sqm
Indoor Surface-mount Pixels:
P2.5 160000 pixels/sqm
P3 111111 pixels/sqm
P4 62500 pixels/sqm
P5 40000 pixels/sqm
P6 27777 pixels/sqm
P7.62 17222 pixels/sqm
P8 15625 pixels/sqm
P10 10000 pixels/sqm
Outdoor LED display's Pixels:
P10 10000 pixels/sqm
P12.5 6400 pixels/sqm
P16 3906 pixels/sqm
P20 2500 pixels/sqm
P25 1600 pixels/sqm
P31.25 1024 pixels/sqm
5. Classification by Display ContentVideo Display: usually full-color LED display
Text Display: usually monochrome LED display
Graphic Display: generally biocolor LED display
Market Quotations Display: generally digital or monochrome LED display
6. Classification by Display
LED Digital Display: the display mainly applied 7-segment digital tube; it's suitable for production of clock screens,interest rate screens, or other electronic display.
LED Matrix Display: the display unit is a matrix module composed by numbers of light-emitting diodes in lines; it's suitable for displaying text or image information.
LED Video Display: the display unit is consisted of many light-emitting diodes; it's a good choice to display animation and other video files.
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