Whose patent is the infrared ray of mobile phone?

This is not anyone's patent. Mobile phone infrared technology is not the patent of any company or individual, but the result of research and development and improvement by many companies and inventors. In addition, many other companies and inventors are constantly developing and improving the infrared technology of mobile phones to enhance the user experience and promote the development of the mobile phone industry. Therefore, the infrared technology of mobile phone is not the patent of any company or individual, but the achievement of the whole technology industry.