Abstract:
본 발명은 광학 점착제 조성물 및 이를 포함하는 광학 점착제 필름에 관한 것이다. 보다 구체적으로 본 발명은 자외선 비경화성 화합물을 포함하는 광학 점착제 조성물 및 이를 포함하는 광학 점착제 필름에 관한 것이다. 본 발명은 경화수축율을 줄임으로써 광경화시 발생하는 가장자리 부분의 수축에 이한 빛샘 현상과 같은 leakage 문제를 해결할 수 있고 디스플레이 구동시 온도에 의한 접착력 저하 문제를 해결할 수 있다.
Abstract:
PURPOSE: An acrylic adhesive composition is provided to improve light leakage phenomenon, and to have excellent thermal resistance, and to have high release strength, thereby capable of restraining excitation phenomenon. CONSTITUTION: An acrylic adhesive composition comprises an acrylic copolymer comprising a monomer having a pyrrolidonyl group, and a hardener. The comprised amount of the monomer having pyrrolidonyl group is 11-40 parts by weight in 100.0 parts by weight of the acrylic copolymer. The acrylic copolymer is polymerized of 60-83 parts by weight of (meth)acrylic acid alkyl ester having an alkyl group, 1-10 parts by weight of (meth)acrylic ester having a hydroxy group, and 11-40 parts by weight of a monomer having a pyrrolidonyl group. The acrylic copolymer additionally comprises a silane group. The weight average molecular weight of the acrylic copolymer is 800,000-1,500,000 g/mol.
Abstract:
PURPOSE: An optical adhesive composition for display is provided to have excellent outdoor visibility and impact strength, and to have little overflowing phenomenon. CONSTITUTION: An optical adhesive composition has the glass transition temperature of (-100) - 0 °C, and comprises a binder containing isoprene monomers. The binder is polyisoprene (meth)acrylate oligomer. The polyisoprene (meth)acrylate oligomer comprises a vinyl group. The binder has a structure in chemical formula 1. In chemical formula 1, m is 1-300, n is 0-60, and p is 1-10. The comprised amount of the binder in the optical adhesive composition is 50-80 weight%. The optical adhesive composition comprises the binder, a photo-curable monomer, a photo-initiator, a UV blocking agent, and thermal stabilizer.
Abstract:
A bottom anti-reflective coating composition and a method for making a patterned material form on a substrate are provided to minimize the reflectivity between a resist and back layer in performing lithography technique. A bottom anti-reflective coating composition comprises a compound of the chemical formula 3. In the chemical formula 3, Q- is anion and contains one on the chemical formula 4. The composition also contains: a polymer containing an aromatic ring of the chemical formula 1; a compound of the chemical formula 3; and an organic solvent. In the chemical formula 1, 1
Abstract:
A hard mask composition having anti-reflective property is provided to minimize reflection between a resist layer and a backside layer, to realize excellent optical and mechanical properties and high etching selectivity during a lithographic process. A hard mask composition having anti-reflective property comprises: (a) an aromatic ring-containing polymer including at least one compound represented by the following formula 1 or 2; and (b) an organic solvent. In formula 1, n ranges from 1 to 190; R1 is a specific fused aromatic ring radical; R2 is an ethylene radical containing an aromatic ring or not; and each of X and Y represents H or OH. In formula 2, each of m and n is equal to or greater than 1 and less than 190 and m+n is equal to or greater than 3 and equal to or less than 190; each of R1 and R2 represents a specific fused aromatic ring radical; each of R3 and R4 represents an ethylene radical containing an aromatic ring or not; and each of X, Y and Z represents H or OH.
Abstract:
본 발명은 리쏘그래픽 공정에 유용한 반사방지성을 갖는 하드마스크 조성물에 관한 것으로, 본 발명에 따른 조성물은 매우 우수한 광학적 특성, 기계적 특성 및 에칭 선택비 특성을 제공하며, 동시에 스핀-온 도포 기법을 이용하여 도포 가능한 특성을 제공한다. 유리하게도, 본 발명의 조성물은 보다 짧은 파장 리쏘그래픽 공정에 유용하고 최소 잔류 산 함량을 보유한다. 리쏘그래픽, 반사방지성, 하드마스크, 방향족 고리
Abstract:
Hard-mask composition having minimum residual acid content and anti-reflective property is provided to give extremely excellent optical and mechanical properties and etching selectivity by comprising aromatic-ring containing polymer with strong absorbance at short wavelength. The hard-mask composition comprises: (a) 1 to 20wt.% of at least one of aromatic ring containing polymer represented by any one of formulae(1) to (3) wherein for the formula(1), n ranges from 1 to 190, R1 and R2 are independently hydroxyl group(-OH), alkyl or aryl group having carbon atoms ranging from 1 to 10, allyl group or halogen atoms, and R3 and R4 are independently hydrogen or include active fraction reacting with cross-linkable component or chromophore fraction; (b) 0.1 to 5wt.% of the cross-linkable component; (c) 0.001 to 0.05wt.% of acid catalyst; and the balance of organic solvent. The aromatic ring containing polymer has weight average molecular weight ranging from 1,000 to 30,000.