Yu Chengdong once said: "When friends plagiarize, they say that they don't respect our (Huawei's) intellectual property rights, and they just make up a name and say their own."
Recently, the patent dispute between Huawei and Xiaomi has aroused widespread concern in the industry and the public.
Xiaomi's spokesperson official Weibo issued a statement on the 12th, saying: Recently, Mr. Yu Chengdong made untrue remarks about our company's "keel shaft" technology for no reason, which is seriously inconsistent with the facts. We ask Mr. Yu Chengdong to follow the basic rules of "science and rigor" and refrain from smearing his peers and misleading the public.
Previously, on December 9, at the 2023 pollen annual meeting, Yu Chengdong said with a smile: "When friends plagiarized, they said that they didn't respect our (Huawei's) intellectual property rights, and they just made up a name and said their own." The double-rotating droplet hinge directly becomes the keel hinge, and the keel does not exist. ”
And the "keel hinge" mentioned by Yu Chengdong happens to be similar to the name of the "Xiaomi keel hinge" of the Xiaomi Mi Mix Fold 3 mobile phone.
Xiaomi said in a statement: Xiaomi's self-developed "keel hinge" applied for a patent on September 18, 2020, and was granted a patent on January 5, 2021, and was first applied on Xiaomi Mi Mix Fold 3 in August 2023. The so-called "double-spin droplet hinge" claimed by Mr. Yu Chengdong applied for a patent on December 13, 2019, and was only disclosed on June 18, 2021. It can be seen from this that Mr. Yu Chengdong's remarks are completely inconsistent with the facts.
Xiaomi said that after studying the technical information and published patent information disseminated by Mr. Yu Chengdong's company, and verified by actual dismantling, the so-called double-spinning water drop chain adopts the design scheme of "2-level rod group, 3 components and 4 low pairs", while the mechanical structure of the keel shaft developed by Xiaomi adopts the innovative design of "3-level rod group, 5 components and 7 low pairs".
Previously, Yu Chengdong specially posted on Weibo to explain this technology in detail: As a leader in the folding machine era, Huawei has been breaking through key technologies and leading industry innovation. The hinge is one of the core components in the design of the folding screen mobile phone, and the double-spin waterdrop hinge not only achieves the smallest gap after folding through a multi-dimensional phased linkage mechanism, but also ensures the shallowest crease of the screen after unfolding. Not only that, but for the first time, aviation-grade super-strong steel and carbon fiber composite materials have been added, making the phone lighter and more durable.
*: Beijing Business Daily Comprehensive Daily Economic News, Shanghai ** News, Zhongxin Jingwei.