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An electronic device that is used as an effective light source is called led or LEDs. These diodes are used to constitute a video display that is known as LED display. LEDs are used in everyday devices ranging from remote control to traffic lights. LED display can be used in store signs and billboards.LED panels are used for illumination instead of displaying purposes. An LED panel includes number of LEDs and a typical LED display consists of many LED panels. Surface mounted device (SMD) panel and conventional LED panel will be the two classes of LED panels within the market. The conventional panel uses discrete LEDs which are employed specifically for display screens in large outdoors. Conventional panels are more common as compared with others and in this sort of panel, the cluster of LEDs of different color are grouped to create a square-shaped pixels used for displaying.The LED displays which are used indoors make use of SMD technology. SMD technology utilizes red, green and blue LEDs in panel which are themselves used to create lighting and illumination however, not for display. Pixels are formed mounted over circuit boards and chips. The pixels formed are smaller than a pinhead. Therefore in SMD, the utmost viewing distance is decreased together with there is slight decrease in the brightness. The both previously listed featured make the SMD technology better for indoor applications.The LEDs used to make up an LED display are probably one of the most important technologies of electronics. The light emitting diode offers several benefits over other light emitting sources. This diode is made of a semiconductor chip surrounded by the transparent plastic case. The plastic case allows the light to pass through it. As negative and positive terminals of the diode is linked to the supply, the electrons starts following through the semiconductor due to its chemical nature. The collision of electrons emits energy by means of photons or light. The emission of different colors including infrared and ultraviolet light depends upon the semiconductor material found in the diode.Nowadays, LEDs are preferred over traditional light sources because of many advantages over them. In traditional light sources a great deal of heat is produced and nearly 1 / 2 of energy is wasted by means of heat. Alternatively, LED consumes very less energy and incredibly less quantity of heat is produced in comparison with traditional light sources. These are the reasons for which the LEDs are used in traffic lights and all other devices.JYLED's main LED full-color display engineering manufacturing,We offers reliable products: indoor series LED display, outdoor series LED display , stage rental series LED display, floor tile interactive LED display, transparent screen and affordable price.