Patents by Inventor Shiharu HIRAOKA

Shiharu HIRAOKA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • COMPOSITION CONTAINING SEMICONDUCTOR NANOPARTICLES, COLOR FILTER, AND IMAGE DISPLAY DEVICE
    Publication number: 20220411692
    Abstract: Provided is a semiconductor nanoparticle-containing composition capable of forming a wavelength conversion layer that efficiently converts the wavelength of excitation light and exhibits sufficient luminescence intensity. An aspect of the semiconductor nanoparticle-containing composition of the present invention contains semiconductor nanoparticles (A) and a coloring matter (B) and further contains a polymerizable compound (C), in which the semiconductor nanoparticles (A) have a maximum emission wavelength in the range of 500 to 670 nm over a wavelength range of 300 to 780 nm, and the coloring matter (B) contains at least one selected from coloring matters (B1) to (B5) having specific structures.
    Type: Application
    Filed: August 5, 2022
    Publication date: December 29, 2022
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Koki ISHII, Masaaki NISHIMURA, Takashi FUJIWARA, Tomotaka TANIGUCHI, Shigeki HATTORI, Shiharu HIRAOKA, Yasushi SHIGA, Hiroko INAGAKI