US 10,590,248 B2Granted

PDMS-polyurethane film for displays, and method for producing same

AssigneeLG Chem, Ltd.

InventorsJong-Won Lee, Hyeon Choi, Houng-Sik Yoo

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Abstract

The present invention relates to a PDMS-polyurethane film for displays, which has a dielectric constant/elastic modulus value of 2 to 15 mm2/N, and a production method thereof.

Claims7

Dependent claims

A polydimethylsiloxane (PDMS)-polyurethane film for displays, which has a ratio of a dielectric constant to elastic modulus of 2 to 15 mm2/N.

Dependencies are inferred from the claim text.

Facts

Application: 15/738,970Filed 22 Sep 2016
Priority: KR 10-2015-013686725 Sep 2015
Published: US 2018/0179350 A128 Jun 2018
Granted: 17 Mar 2020
Term ends: Not estimatedThe source records don’t support an estimate.

Classification23 codes

C08J 5/18
Manufacture of articles or shaped materials containing macromolecular substances: manufacture of films or sheets
C08G 18/61
High-molecular-weight compounds: polysiloxanes
C08G 18/73
Polyisocyanates or polyisothiocyanates: acyclic
C08G 18/7837
Containing ureum or ureum derivative groups: containing allophanate groups

Family

US 2018/0179350 A1Pre-grant publication · published 28 Jun 2018
US 10,590,248 B2This patent

From the US filing history. Foreign family members aren’t listed.

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