公开(公告)号：US09649791B2

公开(公告)日：2017-05-16

申请号：US14251789

申请日：2014-04-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Woo Hong ,  Woo-Jin Bae ,  Chan Jae Ahn ,  Won Suk Chang ,  A ra Jo ,  Sung Won Choi

IPC: B29C41/46 ,  C08G73/14 ,  B29D11/00 ,  B29C41/00 ,  C08L79/08 ,  B29C39/00 ,  C09D179/08 ,  C08G73/10 ,  B29K79/00

CPC classification number: B29C41/46 ,  B29C39/003 ,  B29C41/003 ,  B29D11/00788 ,  B29K2079/08 ,  C08G73/1039 ,  C08G73/1042 ,  C08G73/1067 ,  C08G73/14 ,  C08L79/08 ,  C09D179/08 ,  G02B1/041 ,  C08L33/24

Abstract: A method of preparing an optical film, preparing a coating composition including an amic acid-containing polymer represented by Chemical Formula 1 and at least one polymerization aid selected from an alkyl phosphite, an aryl phosphite, an alkyl phosphate, and an aryl phosphate; providing the coating composition on a substrate to form a coating layer; and applying heat to the coating layer to prepare a cured film: wherein, in Chemical Formula 1, are the same or different in each repeating unit, and are each independently at least one selected from an aromatic organic group, an aliphatic organic group, and an alicyclic organic group, and 0≦x≦1.

公开(公告)号：US09676910B2

公开(公告)日：2017-06-13

申请号：US14503695

申请日：2014-10-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chung Kun Cho ,  Fedosya Kalinina ,  Mikhail Kovalev ,  Woo-Jin Bae

IPC: C08G73/10 ,  C09D179/06 ,  C08G83/00 ,  C09D179/08

CPC classification number: C08G83/001 ,  C08G73/1007 ,  C08G73/1039 ,  C08G73/1042 ,  C08G73/1067 ,  C09D179/08 ,  C08K9/06

Abstract: A composition for preparing a polyimide including an oligomer including at least two termini, wherein the oligomer is selected from a polyimide, a polyamic acid, a poly(imide-amic acid), and a combination thereof, and wherein at least two of the at least two termini of the oligomer include a dicarboxylic acid group; and an inorganic particle having a surface, wherein the surface comprises two or more amino groups.

公开(公告)号：US09238751B2

公开(公告)日：2016-01-19

申请号：US14202182

申请日：2014-03-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woo-Jin Bae ,  Sung Woo Hong ,  Byung Hee Sohn ,  Won Suk Chang

IPC: C09D179/08 ,  C08G73/10 ,  C08K9/04 ,  C08K3/36 ,  C08K3/22

CPC classification number: C09D179/08 ,  C08G73/1039 ,  C08G73/1042 ,  C08G73/1067 ,  C08K3/36 ,  C08K9/04 ,  C08K2003/221 ,  C08K2003/2241 ,  C08K2003/2244 ,  C08L79/08

Abstract: A polyimide precursor composition, including a polyamic acid including a repeating unit represented by Chemical Formula 1 and transparent metal oxide nanoparticles coordinated to a ligand represented by RCOOH, wherein R is a linear or branched C1-C4 alkyl or a linear or branched C2-C4 alkenyl: wherein variables Cy, A3, R31, and n34 in Chemical Formula I are described in the specification.

Abstract translation: 一种聚酰亚胺前体组合物，包括包含由化学式1表示的重复单元的聚酰胺酸和与由RCOOH表示的配位体配位的透明金属氧化物纳米粒子，其中R是直链或支链C 1 -C 4烷基或直链或支链C 2 -C 4 烯基：其中在说明书中描述了化学式I中的变量Cy，A3，R31和n34。

公开(公告)号：US10316155B2

公开(公告)日：2019-06-11

申请号：US14625348

申请日：2015-02-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chung Kun Cho ,  Woo-Jin Bae ,  Fedosya Kalinina ,  Mikhail Kovalev

IPC: C08J5/18 ,  C08L79/08 ,  C09J179/08 ,  C09D179/08 ,  C09J177/10 ,  C08L77/10 ,  C09D177/10 ,  C08K3/36 ,  C08G73/10

Abstract: A composition for preparing a polyimide-inorganic composite material including: a polyamic acid represented by Chemical Formula 1, a polyimide represented by Chemical Formula 2, or a combination thereof; an inorganic particle precursor; and water, wherein the polyamic acid, the polyimide, or the combination thereof is a reaction product of a dicarboxylic acid anhydride and a diamine, wherein the mole ratio of the diamine to the dicarboxylic acid anhydride is greater than 0.93 and less than 0.95, and wherein the inorganic particle precursor is included in an amount to provide an inorganic particle in an amount of greater than or equal to about 30 weight % and less than or equal to about 60 weight % based the total weight of the polyimide-inorganic composite material prepared: wherein in Chemical Formulae 1 and 2, groups and variable are the same as defined in the specification.