• 专利标题:   Light valve device useful in dimming glass assembly, comprises first transparent substrate and second transparent substrate i.e. glass plates or plastic sheets, first transparent electrode formed on first transparent substrate and second transparent electrode formed on second transparent substrate.
  • 专利号:   CN113759627-A, WO2023035864-A1
  • 发明人:   LIANG B, ZHANG Y, XIAO S, ZHANG D, LI Y, ZHAO S
  • 专利权人:   ZHEJIANG JINGYI NEW MATERIAL TECHNOLOGY, ZHEJIANG JINGYI NEW MATERIAL TECHNOLOGY
  • 国际专利分类:   G02F001/1516, G02F001/155, G02F001/15, G02F001/17, G02F001/19
  • 专利详细信息:   CN113759627-A 07 Dec 2021 G02F-001/155 202247 Chinese
  • 申请详细信息:   CN113759627-A CN11049286 08 Sep 2021
  • 优先权号:   CN11049286

▎ 摘  要

NOVELTY - Light valve device comprises a first transparent substrate, a first transparent electrode formed on the first transparent substrate, a second transparent substrate, a second transparent electrode formed on the second transparent substrate; the first transparent electrode and the second transparent electrode are arranged oppositely, and a light control layer disposed between the first transparent electrode and the second transparent electrode; the light control layer includes polymer matrix; a suspension medium liquid drop (G30) are dispersed in the polymer matrix and solid light-controlling particles (G40) are distributed in the suspension medium liquid drop; the solid light-controlling particles are formed from raw materials including iodine, main group metal iodide, transition metal organic complex and/or rare earth metal organic complex, nitrogen-containing organic ligand and nitrocellulose. USE - The light valve device is useful in dimming glass assembly (claimed). ADVANTAGE - The light valve device: has non-blue tone in dark state; is transparent in bright state; the non-blue tone having L of 10-40, a of -5 to 5 and b of -1.5 to 5 in the CIELAB color coordinates; is non-blue solid particle; utilizes solid light-controlling particles in the suspension medium liquid drop, which are randomly dispersed due to Brownian motion and the light beam entering the light valve is absorbed and/or scattered, the light valve has poor light transmittance, is relatively dark, and the dark state is a non-blue tone when no electric field is applied (off state) and utilized solid light-controlling particles are polarized by the electric field, and their morphology and state are changed and thus affecting the absorption/scattering and transmission of light by the light valve when an electric field is applied (on state); majority of the light can pass through the light valve; enhances the light transmittance of the light valve; is relatively bright; and realizes the modulation of the dark state primary color. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) Preparing light valve device. The method utilizes solid light-controlling particles, polymer matrix precursor and initiator; (2) Preparing solid light-controlling particles. The method utilizes iodine, main group metal iodide, transition metal organic complex and/or rare earth metal organic complex, nitrocellulose and organic solvent, low-carbon alcohol, distilled water and nitrogen-containing organic compound; and (3) Dimming glass assembly, comprises a first glass plate, a second glass plate, and a light valve device disposed between the first glass plate and the second glass plate; the first transparent substrate and the second transparent substrate are transparent plastic sheets; a first adhesive layer is provided between the first glass plate and the light valve device and/or a second adhesive layer is provided between the second glass plate and the light valve device. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of the light valve device for dimming glass assembly. Suspension medium liquid drop (G30) Solid light-controlling particles (G40)