On January 11, the Ministry of Industry and Information Technology submitted a batch of electronic industry standards (29 industry standards, 37 national standards), including 3 LED/lighting related standards, respectively, the industry standard "Indoor Indoor LED Display Multimedia System Acceptance Specification", National standard "Light-emitting diode chip point measurement method" and "Semiconductor lighting terminology". Industry Standard Indoor LED display multimedia system acceptance specification Main content of the standard: This standard specifies the terms and definitions, requirements, acceptance procedures, acceptance inspection conditions, acceptance inspection methods and acceptance rules for indoor light-emitting diode (LED) displays and LED display multimedia systems. This standard applies to the design, procurement, construction and acceptance of LED display and display systems. Plan number: SJ/T 11711-2018 National standard LED chip spot measurement method Main content of the standard: This standard specifies the light-emitting diode chip (hereinafter referred to as the chip) optical parameters, direct current parameters and electrostatic discharge sensitivity point measurement conditions and point measurement methods. This standard applies to visible light emitting diodes and chip chips. The spot measurement of the ultraviolet light, the infrared light emitting diode chip, and the epitaxial wafer can also be referred to. Plan number: 20151775-T-339 nature: recommend Semiconductor lighting terminology Main content of the standard: This standard specifies the general terminology for semiconductor lighting. This standard applies to the field of illumination using solid luminescent materials as the light source. Plan number: 20130002-T-339 nature: recommend
12V Adapter also called 12V AC DC adapter, the input of 12V power adapter is 100v-240v 50/60HZ suit for worldwide use.
All
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equipment.
Usually our dc Cable and ac cable compatible with the 12v power adapter is 1.2m, we can also customized the length as your requests according to your devices.
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Yidashun can produce 12v power supply from 12V 1A~12V 16A MAX. This power adapter mostly make as dc size 5.5*2.1mm, 5.5*2.5mm, round 4 pin used for led lights, CCTV camera, LCD TV, set-top box and so on. All our adapter with full power and can be used for different devices run constantly each day.
