Samsung Electronics Co., Ltd.

Kovalev Mikhail

Chung Kun Cho

Won Cheol Jung

Kalinina Fedosya

Yoon Seok Ko

Androsov Dmitry

Won-Cheol Jung

Sang Mock Lee

Young Suk Jung

Yoo Seong Yang

Tai Gyoo Park

A poly(amide-imide) block copolymer that includes: a first segment including a structural unit represented by Chemical Formula 1C, and a second segment including a structural unit represented by Chemical Formula 2:  In Chemical Formula 1C and Chemical Formula 2, Rto R, and n3 to n8 are the same as in the specification.

Poly(amide-imide) block copolymer, article including same, and display device including the article

A material for an optical film including a compound represented by Chemical Formula 1; a polymer including a repeating unit represented by Chemical Formula 10; a polymer including a repeating unit represented by Chemical Formula 20 and a repeating unit represented by Chemical Formula 21; an article prepared by using the polymer; and a display device including the article: 

Material for optical film, polymer, article prepared by using the polymer, and display device including the article

An article including a polymer element including a polymer, and inorganic particles having a concentration gradient which decreases in concentration from at least one surface of the polymer element to the inside thereof, wherein the inorganic particles have a refractive index that is greater than or equal to the refractive index of air and less than the refractive index of the polymer.

Article, method of preparing same, and display device including the same

A poly(amide-imide) block copolymer that includes: a first segment including a repeating unit represented by Chemical Formula 1A, a repeating unit represented by Chemical Formula 1B, a repeating unit represented by Chemical Formula 1C, or a combination thereof; and a second segment including a repeating unit represented by Chemical Formula 2: 

A poly(amide-imide) block copolymer that includes a first segment including a repeating unit represented by the following Chemical Formula 1 and a second segment including a repeating unit represented by the following Chemical Formula 2: 

Provided are a polyamide combination that includes: a first polyamide including a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, or a combination thereof; and a second polyamide including a repeating unit represented by Chemical Formula 3, and a film prepared using the polyamide combination. 

Polyamide combination film prepared by using same, and display device including the film

A polyamide block copolymer that includes a first segment including a repeating unit represented by Chemical Formula 1, a repeating unit represented by Chemical Formula 2, or a combination thereof; and a second segment including a repeating unit represented by Chemical Formula 3. The variables Rto R, and n1 to n8 are defined herein. 

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Suwon-si, South Korea

Kovalev Mikhail