Throughout the domestic LED lighting industry investment scale continues to expand, the emergence of listed companies and the rapid increase in production capacity, as well as the rapid growth of the LED consumer market, it is not difficult to foresee that in the near future, the domestic LED industry is very likely to encounter patent infringement lawsuits. Therefore, you must take precautions and take precautions.
In this article, the author would like to analyze some of the key patents held by Nichia, in order to help the domestic LED lighting industry.
According to the statistics of the Taiwan Science and Technology Policy Research and Information Center and the author's survey, Nichia has obtained about 74 basic patents so far. These basic patents exist in the United States, Japan, Europe, Korea and other countries or regions. A large number of family patents, and Nichia relies on these patents to build a solid patent barrier and a rigorous patent network, which in turn has a huge market share and high profits. In the past eight years, Nichia has repeatedly used the patents shown in Table 2 or a combination thereof for litigation. Therefore, the domestic LED lighting industry should pay special attention to these patents.
Specifically (see Table 2), these key patents can be roughly divided into the following three technical topics: a white LED package based on YAG phosphors; 2. an LED structure with an ohmic electrode; and a manufacturing method; Graphical substrate based LED structure.
Among them, the first technical topic is one of Nichia's most advantageous technical fields, and the patents related to the technical subject are easier to prove. Therefore, such patents are most frequently used in the infringement lawsuit filed by Nichia. In addition, the impact level of such patents is mainly LED packaging and application plants, and about 80% of domestic manufacturers are engaged in LED packaging and application related work. Therefore, the domestic LED lighting industry needs especially for such patents. Pay attention to it. Furthermore, in fact, in 2006 and 2010, Nichia accused British retailer Argos and Wilmar of the United States of infringement of patents EP0936682 and US5,998,925, and forced Argos and Wilmar to replace their suppliers of white LED products ( Also known as Nichia's third-party Asian manufacturers, including Mulinsen, Fujian Wanbang, Ningbo Shengpu, Cixi Ruijian, Ningbo Kanghong and Dongguan Yongxing Company, and turned to Nichia to purchase white LED products. Although the lawsuit did not directly target the domestic LED lighting industry, it also caused the overseas sales channels of some domestic LED companies to be blocked. Subsequently, in 2009, Nichia filed an infringement allegation against Shenzhen Weiwei and its overseas branches directly in the US East German court in US$5,998,925. Although the case ended with a settlement between the two parties, it is believed that Shenzhen Weiwei paid quite The price.
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For more information, please refer to the "High-tech LED - Technology and Applications" January issue
D-sub Connector Contacts
A D-sub connector is a form of connector commonly found in electronic and computer systems. It consists of a D shaped metal band and two or more parallel rows of either pin contacts (male) or socket contacts (female). D-sub connector contacts can vary in size, material, current rating, length and resistance.
The most common type of connector is the crimp contact. These are assembled by inserting a stripped wire end into the cavity at the rear of the contact. The cavity is then crushed using a crimp tool, gripping the contact to the wire.
What are D-sub connector contacts used for?
The D-sub connector contacts carry the signal from the source to the destination across the D–sub connection.
Types of D-sub connector contacts
Most D-sub connectors are supplied with contacts ready in place. Contacts can be replaced if damaged or if the application of the D-sub connector is to be changed from the original design specification.
High-current, high-voltage, or co-axial inserts require larger contacts. The material of the D-sub connector contact can be changed if the robustness or quality of the connection needs to be improved.
D-sub Connector Contacts
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