Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Young Jae Kang

Hyunseok Choi

Won Joon Cho

Eun Sung Lee

Wooyoung Yang

Changseung Lee

Sang Soo Jee

Dmitry Androsov

Won Cheol Jung

Dongho Ahn

Byung Hee Sohn

Hyunjeong Jeon

Fedosya Kalinina

Kiyeon Yang

Byunghee Sohn

Bonwon Koo

Minwoo Choi

Yongyoung Park

Hyun Seok Choi

Hyun Jeong Jeon

Hajun Sung

A memory device includes a memory cell including a selection layer and a phase change material layer, and a controller, wherein the selection layer includes a switching material, the phase change material layer includes a phase change material, and the controller is configured to apply a write pulse to the selection layer and the phase change material layer and control a polarity, a peak value, and a shape of the write pulse.

Memory device including switching material and phase change material

An oligomer including two ends and a main chain located between the two ends, a group represented by Chemical Formula 1 at one end and a structural unit represented by Chemical Formula 2 or Chemical Formula 3 in the main chain: 

Oligomer, composition including oligomer, article prepared from the composition, method for preparing article, and display device including the article

A composition including a polymer including at least one of an amic acid structural unit and an imide structural unit, inorganic particles, and a compound represented by Chemical Formula 1, a polymer-inorganic particle composite prepared from the composition, an article, and an optical device including the article:  In Chemical Formula 1, Ris a linear or branched, substituted or unsubstituted C1 to C30 alkyl group, a substituted or unsubstituted C3 to C10 cycloalkyl group, a substituted or unsubstituted C6 to C30 aryl group, or a combination thereof, and n is an integer of 1 or more.

Composition comprising polymer and inorganic particles, polyimide-inorganic particles composite, article including the composite, and optical device including the article

A composition including a polymer including at least one of an amic acid structural unit and an imide structural unit and an inorganic particle surface-treated with a compound represented by Chemical Formula 1, a polymer-inorganic particle nanocomposite prepared using the composition an article and an optical device including the article: In Chemical Formula 1, Rto Rare independently a C1 to C30 alkyl group, a C3 to C10 cycloalkyl group, a C6 to C30 aryl group, or a combination thereof, and n is an integer of 1 or more.

A polymer composition includes a polymer, a nanostructured filler, and a silane dispersing agent represented by Chemical Formula 1:R&#x2014;(Ar)&#x2014;(O-L)-(O-L)-(O-L-O-L)-O-(L)-(L)-(CRR)&#x2014;Si(RRR)&#x2003;&#x2003;Chemical Formula 1wherein, in Chemical Formula 1, Rto R, Ar, Lto L, p, q, r, s, t, and w are the same as described in the detailed description.

Polymer composition and polymer composite and optical film

A composition for preparing a polyimide-inorganic particle composite, including a tetracarboxylic acid dianhydride represented by Chemical Formula 1, a diamine represented by Chemical Formula 2, and an inorganic particle having an amino group on its surface: 

Composition for preparing polyimide-inorganic particle composite, article prepared therefrom, and optical device comprising same

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Suwon-si, South Korea

Young Jae Kang