Most of the impact of LED companies on the Sino-US trade war can calmly deal with
On May 10, the US raised tariffs on US$200 billion of Chinese goods exported to the US from 10% to 25%. In this regard, China has also made a counterattack. Among them, the Ministry of Commerce of China announced that China will establish a list of unreliable entities. The Tariff Commission of the State Council also announced that starting from June 1st, it will impose additional levies on some of the goods originating in the United States in the list of approximately US$60 billion in imported goods. %, 20%, 10% tariffs.
On April 2, the National Standardization Management Committee issued an announcement announcing the postponement of the implementation of 13 national standards including the "Limited Values and Energy Efficiency Ratings of Unitary Air Conditioners".
0603, 0805, 1210, 3528, 5050 refer to the size of surface mount SMD LEDs. For example, 0603 refers to a length of 0.06 inches and a width of 0.03 inches. But please note that the 3528 and 5050 units are metric. The following is a detailed introduction of these specifications:
Seoul Viosys and SETi announced that Vio LEDs UV LED technology successfully killed 99.9% of the new coronavirus (COVID-19) within 30 seconds. According to the news, the research team of Seoul Viosys and Korea University (Korea University) used the Violeds compound semiconductor technology in mass production for testing.
When it comes to the grievances and hatreds of white LEDs, we cannot fail to mention RGB and white LEDs. The two have the same goal in different ways. They all hope to achieve the effect of white light, but one is directly presented in white light, and the other is in red, green and blue. Mixed light; one said that the other party's purity was not enough and the price was too expensive, the other retorted that he was beautiful in color, and criticized the other party for being old and declining. I am afraid that such a war will not stop in the short term. However
Many packages, like some 0603, 0805 and other SMD LEDs, will have a green "T" symbol on the bottom. One horizontal side of the "T" is the positive pole, and the other side is the negative pole. Some SMD LEDs will be marked with a silk screen similar to a triangle symbol, so the bottom side of the triangle is close to the positive pole, and the top corner is close to the negative pole. The lead of the light-emitting diode is generally longer at the anode and shorter at the cathode.
Light-emitting diodes are commonly used light-emitting devices that emit energy through the recombination of electrons and holes to emit light. They are widely used in the field of lighting. Light-emitting diodes can efficiently convert electrical energy into light energy. LED lamps and lanterns generally have the characteristics of long life, good lighting effect, and energy saving. Because of so many characteristics that are superior to other traditional lamps, they have a wide range of uses in modern society, such as lighting, flat panel displays, and medical devices.