Recently, the circle of friends and the major public numbers have been swept by Japan. Whether it is the number of innovative companies or the layout of patents, Japan is far ahead. In fact, the number of patent rights cases from Japan in 2016 can be seen.
Writing this article is not to write about how powerful Japan is in LED patents, but when we are in this status quo, we don't know the status quo and ignore some things we should know. This article has a deeper understanding of the misunderstandings in the patents and products of LED phosphors.
Misunderstanding 1: Talking about patent barriers is phosphor
As we all know, phosphor patents have always been an important force affecting the LED industry. Phosphor patent litigation cases have had a great impact on the entire LED industry. In particular, in recent years, Nichia has shifted from the role of low-key research to the role of high-profile rights protection, "picked up" a number of patent cases, and upgraded the patent war, causing concern among some LED manufacturers.
The intensification of this patent rights warfare led to the misunderstanding caused by patent infringement, but this is not the case. Although phosphor is one of the key materials for LED packaging, it is only one of the necessary building materials for white light devices. In addition to phosphors such as individual new nitrides, in fact, other phosphors alone do not constitute infringement.
Misunderstanding 2: Application-type patents have little effect
In the current LED phosphor patent war, by obtaining new phosphor composition and structure and application patents, it has become an important way to crack the patents of foreign white light devices, and many companies basically use this approach to contain foreign invention patents, and also A certain effect has been achieved.
However, the market has come out that such a patent is useless and does not play a substantial role, but it is not. In essence, any patent protects intellectual property, but it does not limit the innovation of latecomers. The performance is that although foreign countries have taken the lead in the field of phosphors and white LED devices, they do not hinder the subsequent acquisition of intellectual property rights by relevant domestic units.
As far as patents are concerned, what we need to do is to respect existing intellectual property rights, but we cannot talk about intellectual property and change colors. Any patent has its limitations, and the technologies involved are constantly improving. It involves the specific analysis of specific patents, and it is possible to break through the limitations of existing patents through subsequent technological innovations.
In this regard, Dr. Liu Ronghui, a researcher of rare earths, said that his individual does not think that the follow-up patents for domestic applications are useless. Even if the utility model patents with low gold content are useful, they have a value for product performance and are valuable. Patent.
From the perspective of domestic phosphor patent application, in recent years, domestic patent applications in the field of LED phosphors are very active, and the original universities and research institutes applied for patents, and gradually turned to enterprises to pay attention to patent applications. The patent strength of Chinese phosphors and even LED devices is very important.
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