73 results about "Polycyclic group" patented technology

There is provided a positive type resin composition comprising (A) a resin component comprising within the principal chain a structural unit derived from a (meth)acrylate ester and incorporating an acid dissociable, dissolution inhibiting group containing a polycyclic group on an ester side chain section, for which the solubility in alkali increases under the action of acid, (B) an acid generator component which generates acid on exposure, and (C) an organic solvent, wherein the component (A) comprises both a structural unit derived from a methacrylate ester and a structural unit derived from an acrylate ester. According to such a resist composition, a resist pattern can be formed which displays little surface roughness and line edge roughness on etching, and also offers excellent resolution and a wide depth of focus range.

There is provided a positive type resist composition formed by dissolving (A) a resin component with a unit derived from a (meth)acrylate ester in the principal chain, for which the solubility in alkali increases under the action of acid, and (B) an acid generator component which generates acid on exposure, in an organic solvent component (C), wherein the resin component (A) is a copolymer comprising (a1) a unit derived from a (meth)acrylate ester comprising an acid dissociable, dissolution inhibiting group containing a polycyclic group, (a2) a unit derived from a (meth)acrylate ester comprising a lactone containing monocyclic group or polycyclic group, (a3) a unit derived from a (meth)acrylate ester comprising a hydroxyl group containing polycyclic group, and (a4) a unit derived from a (meth)acrylate ester comprising a polycyclic group which is different from the unit (a1), the unit (a2) and the unit (a3). This composition provides a chemically amplified positive type resist composition which displays excellent resolution, enables the depth of focus range of an isolated resist pattern to be improved, and enables the proximity effect to be suppressed.

A phenylcarbazole compound of formula (1) below is provided,

where each of R₁ and R₂ is independently a monosubstituted or polysubstituted functional group selected from the group consisting of hydrogen atom, a substituted or unsubstituted C₁-C₃₀ alkyl group, a substituted or unsubstituted C₆-C₃₀ aryl group, a substituted or unsubstituted C₄-C₃₀ heterocyclic group, a substituted or unsubstituted C₆-C₃₀ condensed polycyclic group, wherein groups adjacent to R₁ and R₂ bind and form a saturated or unsaturated cyclic hydrocarbon group, and Ar is a substituted or unsubstituted C₆-C₃₀ aryl group or a C₆-C₃₀ heteroaryl group, wherein the substituent R₄ is defined herein. Also included is an organic electroluminescence device comprising the above phenylcarbazole compounds.

Compounds for organic EL devices which emit light of red, have a high light emission brightness and have a long lifetime of light emission, and organic EL devices using the above compounds, the light-emitting materials being compounds of the formula [1],wherein each of Ar3 to Ar10 is independently a substituted or non-substituted aromatic monocyclic group, a substituted or non-substituted fused polycyclic group or a substituted or non-substituted aromatic heterocyclic group, provided that Ar3 and Ar4 may integrally bond to each other, that Ar5 and Ar6 may integrally bond to each other, that Ar7 and Ar8 may integrally bond to each other, and that Ar9 and Ar10 may integrally bond to each other.

A fluorine-containing compound is represented by Formula 1 below:

A method of forming a pattern including applying a resist composition to a substrate to form a resist film, and then subjecting the resist film to exposure and development, thereby forming a first pattern containing a resist film; forming a SiO₂ film on the surface of the first pattern and the substrate; subjecting the SiO₂ to etching such that the SiO₂ film remains only on a side wall portion of the first pattern; and removing the first pattern, thereby forming a second pattern containing the SiO₂ film. Thr resist composition contains a base component that exhibits changed solubility in a developing solution under action of an acid, and an acid generator component that generates acid upon exposure, the base component containing a resin component containing a structural unit having an acid decomposable group which exhibits increased polarity by the action of acid and has no polycyclic group.

A material for an organic electroluminescence device represented by the following formula (I):

The invention relates to a phenanthroimidazole symmetric derivative host material. The structure of the host material is represented by formula I, and can be used to form an organic electroluminescent device with the advantages of high luminescence efficiency, low driving voltage, long life, high brightness and high color purity. In the formula I, R1 and R2 are respectively independently selected from the hydrogen atom, substituted or unsubstituted C1-C30 alkyl groups, C1-C30 cycloalkyl groups, C1-C30 saturated alkyl groups, substituted or unsubstituted C1-C30 alkyloxy groups, substituted or unsubstituted C6-C30 aryl groups, substituted or unsubstituted C6-C30 aryloxy groups, substituted or unsubstituted C6-C30 arylamino groups, substituted or unsubstituted C2-C30 heterocyclic groups, substituted or unsubstituted C6-C30 fused polycyclic groups, hydroxy groups, cyan groups or substituted or unsubstituted amino groups.

There is provided a positive resist composition which, during resist pattern formation, can prevent the collapse of very fine resist patterns during the drying step following developing. This positive resist composition is used in a resist pattern formation method comprising a step, within the lithography process, for substituting a liquid remaining on the substrate following alkali developing with a critical drying liquid, and then drying this critical drying liquid by causing passage through a critical state. The positive resist composition comprises a resin component (A), which has an alkali-soluble unit content of less than 20 mol %, contains an acid dissociable, dissolution inhibiting group, and displays increased alkali solubility under action of acid, an acid generator component (B) that generates acid on exposure, and an organic solvent (C) for dissolving the components (A) and (B), and moreover, the component (A) comprises a structural unit (a1) containing an acid dissociable, dissolution inhibiting group, a structural unit (a2) containing a lactone unit, and a structural unit (a3) containing a polycyclic group with an alcoholic hydroxyl group.

Provided are a polymer compound having high transparency for use in a photoresist composition for microfabrication of the next generation, a resist composition using the polymer compound as a base polymer, and a dissolution inhibitor agent composed of the polymer compound.

To ensure etching resistance, an alicyclic group is introduced into a side chain portion. Hydrogen atoms on the ring of the alicyclic group are highly fluorinated to ensure transparency to light of 157 nanometer wavelength, represented by an adsorption coefficient equal to or less than 3.0 μm⁻¹. As the alicyclic group, a polycyclic group is preferably used. Hydrogen atoms are highly fluorinated by preferably substituting all hydrogen atoms on the ring by fluorine atoms, that is, forming a perfluoroalicyclic group. The resist composition is formed by using the polymer compound as a base polymer and further, the dissolution inhibitor agent is formed of the polymer compound.

The invention discloses an organic compound. The organic compound has a structure represented by a formula I shown in descriptions, wherein R1 is substituted or unsubstituted C6-C30 aryl, substituted or unsubstituted C6-C30 aryloxy, phenyl, biphenyl, naphthyl or anthryl; R2 is independently selected from a monosubstituted or polysubstituted substituent, a hydrogen atom, substituted or unsubstituted C1-C30 alkyl, substituted or unsubstituted C1-C30 alkoxy, substituted or unsubstituted C6-C30 aryl, substituted or unsubstituted C6-C30 aryloxy, substituted or unsubstituted C6-C30 arylamino, a substituted or unsubstituted C2-C30 heterocycle, a substituted or unsubstituted C6-C30 fused polycyclic group, hydroxyl, cyan and substituted or unsubstituted amino. The invention further discloses an electroluminescent device using the organic compound.

A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the heterocyclic compound are described.

In Formula 1, R1 to R4 may be each independently one of a hydrogen atom, a deuterium atom, C5-C60 alkyl, C5-C60 aryl and C6-C60 condensed polycyclic; L1 and L2 may be each independently one of a single bond, C5-C60 aryl, C3-C60 heteroaryl and C6-C60 condensed polycyclic; Ar1 and Ar2 may be each independently one of C5-C60 aryl, C3-C60 heteroaryl and C6-C60 condensed polycyclic; A, B, C and D may be each independently one of —CH═ and —N═, excluding that all A, B, C and D are —CH═; and m and n may be each independently an integer of 0 to 3, excluding that all m and n are zero, wherein any of the above alkyl groups, aryl groups, condensed polycyclic groups and heteroaryl groups may be substituted or unsubstituted.

A heterocyclic compound represented by Formula 1 below:

X is selected from the group consisting of nitrogen, boron, and phosphorous; and Ar₁, Ar₂, Ar₃ and Ar₄ are each independently selected from the group consisting of a C6-C30 substituted or unsubstituted aryl group, a C6-C30 substituted or unsubstituted aryloxy group, a C4-C20 substituted or unsubstituted heterocyclic group, and a C6-C20 fused polycyclic group.

The heterocyclic compound can be included in emission layers of top emission and bottom emission organic light emitting devices.

Provided are a novel benzo[a]fluoranthene compound and an organic light emitting device having extremely good light emitting efficiency, extremely good luminance, and durability. The benzo[a]fluoranthene compound is represented by the following general formula (I):

wherein: at least one of R₁₁ to R₂₂ represents R_m represented by the following general formula (i):

R_m=—X₁—Ar₁  (i)

wherein X₁ represents a substituted or unsubstituted phenylene group, or a substituted or unsubstituted, divalent monocyclic heterocyclic group, and Ar₁ represents one of the following groups (a) and (b): (a) a substituted or unsubstituted fused polycyclic group, and (b) a composite substituent formed by combining two or more of a benzene ring, a monocyclic heterocyclic ring, and a fused polycyclic ring, the composite substituent being permitted to have a substituent.

A resist composition containing a base component (A) which generates an acid upon exposure and exhibits changed solubility in a developing solution by the action of acid, wherein the base component (A) contains a copolymer (A1) having a structural unit (a0) containing a group represented by the following general formula (a0-1) or (a0-2), a structural unit (a11) containing an acid-decomposable group which exhibits increased polarity by the action of acid and contains a polycyclic group, and a structural unit (a12) containing an acid-decomposable group which exhibits increased polarity by the action of acid and contains a monocyclic group. Each of the groups —R³—S⁺(R⁴)(R⁵) and M^m+ in the formula has only one aromatic ring as a whole or has no aromatic ring.

A liquid crystal display device according to the present invention includes an illuminator and a liquid crystal panel for performing displaying by using light which is emitted from the illuminator. The liquid crystal panel includes a pair of substrates and a liquid crystal layer provided therebetween. The liquid crystal layer is formed of a liquid crystal material which contains molecules having at least one of a carbon-carbon triple bond and a polycyclic group. The illuminator includes a light source causing primary generation of at least blue light, among other light which is used for displaying.

A positive resist composition includes a resin component (A) that exhibits increased alkali solubility under the action of acid, and an acid generator component (B) that generates acid upon exposure, wherein the resin component (A) is a mixture of a copolymer (A1) that includes a structural unit (a1) derived from an acrylate ester that contains an acid-dissociable, dissolution-inhibiting group, a structural unit (a2) derived from a methacrylate ester that contains a lactone-containing monocyclic group, and a structural unit (a3) derived from an acrylate ester that contains a polar group-containing polycyclic group, and a copolymer (A2) that has a different structure from the copolymer (A1) and has a lower hydrophilicity than the copolymer (A1).

A polymeric compound including a structural unit (a0) represented by general formula (a0-1) shown below and a polycyclic group-containing structural unit (a2m) other than the structural unit (a0), the structural unit (a2m) containing a lactone-containing polycyclic group, a —SO₂-containing polycyclic group or a carbonate-containing polycyclic group, and a resist composition including the same:

wherein R⁰ represents a hydrocarbon group of 1 to 6 carbon atoms which may have a substituent, or a hydrogen atom; Ya⁰ represents a single bond or a divalent linking group; L represents an ester bond; and Ra⁰ represents a polycyclic group having a bridged ring polycyclic skeleton or a condensed ring polycyclic skeleton, which has in its skeleton —C(═O)O— or —SO₂—, and at least one of an alkyl group, an alkoxy group, a halogen atom and a halogenated alkyl group.

The present invention is intended to provide a thermoplastic resin composition which is inhibited from suffering phase separation and from which an optical film having excellent transparency is readily obtained, an optical film containing the composition as a main component, a retardation film which is a film obtained by stretching the optical film and exhibits positive wavelength dependence and has a small coefficient of photoelasticity and transparency, and a process for producing the retardation film. The thermoplastic resin composition contains (A) a cycloolefin-based polymer and (B) a vinyl-based polymer having a unit represented by the following formula (II):

wherein at least one of R¹ to R⁴ is a group represented by the formula (III), the remainder of R¹ to R⁴ if any, and R⁵ and R⁶ are each a hydrogen atom, a halogen atom, a substituted) hydrocarbon group which may have a linkage containing a hetero atom, or a polar group, R⁵ and R⁶ may be bonded to each other to form a monocyclic or polycyclic group which may have a hetero atom, or may be united to form a divalent hydrocarbon group and Y is a divalent hydrocarbon group.