Invention Application
- Patent Title: ELECTROPHORETIC PARTICLE AND LIGHT ROUTE CONTROL MEMBER HAVING THE SAME
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Application No.: US17754012Application Date: 2020-09-14
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Publication No.: US20220373852A1Publication Date: 2022-11-24
- Inventor: Jin Gyeong PARK , Byung Sook KIM , Moo Seong KIM , Jeung Ook PARK
- Applicant: LG INNOTEK CO., LTD.
- Applicant Address: KR Seoul
- Assignee: LG INNOTEK CO., LTD.
- Current Assignee: LG INNOTEK CO., LTD.
- Current Assignee Address: KR Seoul
- Priority: KR10-2019-0115633 20190919,KR10-2019-0124600 20191008
- International Application: PCT/KR2020/012350 WO 20200914
- Main IPC: G02F1/1676
- IPC: G02F1/1676 ; G02F1/167

Abstract:
An electrophoretic particle according to an embodiment contains carbon black, and the electrophoretic particle comprises: a core portion; and a shell portion disposed to surround the outer surface of the core portion, wherein a protrusion portion is formed on the surface of the core portion, the core portion has a chromaticity index of 2 or less, the core portion has a light absorption rate of 90% to 99%, and the particle diameter of the electrophoretic particles is 50 nm to 800 nm.
Public/Granted literature
- US12228837B2 Electrophoretic particle and light route control member having the same Public/Granted day:2025-02-18
Information query