色偷偷色噜噜狠狠网站30根,午夜福利视频合集1000,国语对白农村老太婆bbw,人人妻人人澡人人爽欧美一区九九

CONTACT US
760117650
1178152560
TEL :
400-0519-050
LOCATION : HOME > NEWS > TECHNICAL SUPPORT
TECHNICAL SUPPORT News Center

Teach you how to judge the quality of LED transparent screen

2019-07-17 1254TIMES BACK

     LED transparent screen has been selling like a raging fire, and the manufacturers of LED transparent screen have been everywhere from few to now. How to judge the quality of LED transparent screen? Some people say that the quality of the box can be roughly judged by the appearance. Is that true? At present, many manufacturers produce transparent LED panels similar, even though the appearance is different, the structure is different. The principle is the same, circuit boards, beads, wires and so on. If we can find a good transparent LED display screen with our real gold eyes, Xiaobian will make a brief introduction here.

     1. Brightness comparison, the acrylic board will be closely attached to the same number of modules and then slowly raise a small distance, this time to see whether the brightness of the beads can meet their own requirements. Of course, it is more direct to put the module directly in the word. The higher the brightness, the higher the requirement for the lamp beads, and the higher the Chen Ben. Pure indoor environment can use low brightness, but if it is window LED transparent screen or LED glass curtain wall screen, then it requires a high brightness LED transparent screen can be.

     2. While looking at the brightness, we should pay attention to the uniformity of the light of the beads. When looking at the white light, we must pay attention to whether there is color difference (this is quite important) - if you cover it with a thin white paper, you may not see it, so you should use a certain thickness of acrylic. Colorimetric aberration is the most important part of distinguishing the quality, and it is also one of the main reasons leading to the price difference of LED transparent screen.

     3. Wire identification. High quality wire, through UL certification, these through the LED transparent screen manufacturer instructions are unreliable, so the most direct way is to pull out the outer skin, count the number of cores inside! With 15, 17, 19 cores or even more than 20, 30 core modules should not be worse than 14, 11 core modules, and vice versa.

     4. bulb temperature. After lighting up for a period of time, touch the LED beads with your hand, the temperature is very high and even hot hands are certainly not as stable as low temperature.

     5. Weld joint quality. Full solder joint proves good welding technology, high brightness proves good solder use; serious is virtual soldering, prone to poor contact, follow-up maintenance troubles.

     6. LED transparent screen sticker mode: At present, there are two ways to make LED transparent screen, one is positive light, the other is side light. Although the side light transmittance is relatively high, the packaging technology of the lamp beads needs to be tested in the market, while the positive light-emitting lamp beads use the traditional LED display beads, which have been tested by the market and the quality is very stable.

Source: Huicong LED screen



CopyRight ? 2019 Jiangsu Liangcai Electronics Co., Ltd. ICP:蘇ICP備16047866號-1 LINKS:

Jiangsu electronic display>Jiangsu LED display>Indoor led display >Changzhou led display>Outdoor led display

主站蜘蛛池模板: 昭通市| 永州市| 师宗县| 松原市| 德安县| 蓬溪县| 无极县| 高安市| 科尔| 苏州市| 武强县| 宾川县| 衢州市| 罗源县| 灵川县| 余干县| 囊谦县| 莱西市| 镇远县| 新巴尔虎左旗| 菏泽市| 东城区| 格尔木市| 进贤县| 水富县| 贵德县| 浠水县| 邓州市| 元朗区| 樟树市| 贵定县| 修水县| 洞头县| 神池县| 汝南县| 抚州市| 巩留县| 渝中区| 登封市| 永登县| 河源市|