Invention Grant
- Patent Title: Light control filter
-
Application No.: US17053355Application Date: 2019-05-08
-
Publication No.: US12001037B2Publication Date: 2024-06-04
- Inventor: Shinji Hotta
- Applicant: Shin-Etsu Polymer Co., Ltd.
- Applicant Address: JP Tokyo
- Assignee: SHIN-ETSU POLYMER CO., LTD.
- Current Assignee: SHIN-ETSU POLYMER CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: HAUPTMAN HAM, LLP
- Priority: JP 18091448 2018.05.10
- International Application: PCT/JP2019/018402 2019.05.08
- International Announcement: WO2019/216342A 2019.11.14
- Date entered country: 2021-01-07
- Main IPC: G02B5/22
- IPC: G02B5/22

Abstract:
A light control filter includes a sheet having a sea-island structure including a light-transmitting portion and a light-shielding portion, wherein the light-transmitting portion and the light-shielding portion each extend from a first principal surface to a second principal surface, wherein any one of the light-transmitting portion and the light-shielding portion forms a plurality of island portions configured to penetrate through the sheet from the first principal surface to the second principal surface, and another of the light-transmitting portion and the light-shielding portion forms a sea portion configured to separate the plurality of island portions from one another, and wherein the sea portion has an MD-1 rubber hardness of 25 or more and 80 or less.
Public/Granted literature
- US20210231848A1 LIGHT CONTROL FILTER Public/Granted day:2021-07-29
Information query