Jnc Corporation

Jnc Petrochemical Corporation

Chisso Corporation

Chisso Petrochemical Corporation

Kwansei Gakuin Educational Foundation

Sk Materials Jnc Co., Ltd.

Other

National Institute of Advanced Industrial Science and Technology

Kyushu University

Chiba University

Kyulux, Inc.

Yasuyuki Sasada

Takuji Hatakeyama

Motoki Yanai

Takashi Kato

Jyun-ichi Inagaki

Toshiaki Ikuta

Etsuo Nakagawa

Hiroyuki Takeuchi

Shuichi Matsui

Yasuhiro Kubo

Mayumi Goto

Yasuhiro Kondo

Guofang Wang

Michiko Sawada

Soichiro Nakatsuka

Hajime Gotoh

Kazutoshi Miyazawa

Chihaya Adachi

Hitoshi Yamamoto

Takahiro Kobayashi

Hiroyuki Tanaka

Hiroaki Fujita

Hajime Nakanotani

Yoshitake Suzuki

Naoto Notsuka

Kazuhiko Saigusa

Tokifumi Masukawa

Takahiro Kubo

Kenji Hirata

Sayaka Fujimori

Kazushi Shiren

Hiroki Noda

Yo Shimizu

Yuko Yamaga

Michiko Takahashi

Hirosato Monobe

Mayumi Furuya

Daisuke Baba

Tetsuharu Miwa

Akihide Mizutani

Katsuyuki Kawano

Keiki Kishikawa

Syuichi Matsui

Yusuke Watanabe

Bungo Kawakami

Susumu Oda

Masaki Tanaka

Sang Ho Lee

Chin-Yiu Chan

Kohei Matsui

Akiko Kageyama

An organic light-emitting device containing both a compound represented by the following general formula (1) and a compound represented by the following general formula (2) has a high light emission efficiency. The rings a to c each are a benzene ring that can be optionally condensed, Rand Reach represent a substituted or unsubstituted aryl group, etc., four of Rto Reach are a substituted or unsubstituted carbazol-9-yl group, but all of these four are not the same, and the remaining one is a hydrogen atom, a cyano group, etc.

Organic light emitting element, composition and membrane

A polycyclic aromatic compound represented by Formula (1) is provided by the invention: wherein Aring, Aring, Aring, Bring, Bring, Cring, and Cring are an aryl or heteroaryl ring which may be substituted, Y, Y, Yare B or the like, X, X, X, X, X, Xare >O or >N—R, R in the above >N—R is an and which may be substituted or the like, R in the above >N—R or the like may be bonded to Aring, Aring, Aring, Bring, Bring, Cring, and/or Cring by a linking group or a single bond; and at least one hydrogen in the compound represented by Formula (1) may be replaced with deuterium, cyano, or a halogen.

Polycyclic aromatic compound

A polycyclic aromatic compound represented by general formula (1) described below and having a bulky substituent in a molecule is used as a material for an organic device, whereby, for example, an organic EL device excellent in quantum efficiency can be provided. In particular, concentration quenching can be suppressed even if a use concentration is comparatively high, and therefore the present art is advantageous in a device production process. In formula (1) described above, R, R, Rto R, Rto Rand Rto Rare independently hydrogen, aryl or the like, Xis &#x2014;O&#x2014; or &#x3e;N&#x2014;R (R is aryl or the like), Zand Zare a bulky substituent such as aryl, and at least one hydrogen in the compound represented by formula (1) may be replaced by halogen or deuterium.

Material for organic device and organic electroluminescent device using the same

By providing a novel polycyclic aromatic compound in which a plurality of aromatic rings are linked via a boron atom, a nitrogen atom, or the like, options of a material for an organic EL element are increased. In addition, by using the novel polycyclic aromatic compound as a material for an organic electroluminescent element, an excellent organic EL element is provided.

By providing a novel polycyclic aromatic amino compound having an amino substituent and having a plurality of aromatic rings linked via a boron atom, an oxygen atom, or the like, for example, as in the following formula, a selection range of a material for an organic EL element is widened. In addition, by using the novel polycyclic aromatic amino compound as a material for an organic electroluminescent element, an excellent organic EL element is provided 

Polycyclic aromatic amino compound

By providing a novel polycyclic aromatic compound in which a plurality of aromatic rings is linked via a nitrogen atom, a boron atom, or the like, options of a material for an organic EL element are increased. In addition, by using the novel polycyclic aromatic compound as a material for an organic electroluminescent element, an excellent organic EL element is provided.

Shown is a bimesogenic compound having high solubility in a liquid crystal compound, a liquid crystal composition, a chiral dopant, an additive including an antioxidant or an ultraviolet light absorber, and a polymerizable liquid crystal compound, each of which is used in other bimesogenic compounds or a liquid crystal display device, while maintaining desired physical properties. A compound is represented by formula (1), a liquid crystal composition contains the compound, conjugate fibers with an encapsulated liquid crystal obtained from the liquid crystal composition, and a liquid crystal display device is obtained from the conjugate fibers with the encapsulated liquid crystal.MG-Z-Sp-Z-MG&#x2003;&#x2003;(1)

Liquid crystal compound, liquid crystal composition, composite material with encapsulated liquid crystal, and liquid crystal display device using same

Provided is a liquid crystal compound that can obtain a high-speed response and a sufficient contrast ratio in switching of a display device. A compound represented by formula (1) described below is utilized.  In formula (1),

Liquid crystal compound, liquid crystal composition and liquid crystal display device using the same

Provided are a liquid crystal compound satisfying at least one of physical properties such as high stability to heat or light, high maximum temperature of a liquid-crystal phase, low minimum temperature thereof, small viscosity, suitable optical anisotropy, large dielectric anisotropy and good compatibility with other liquid-crystal compounds, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. A compound is represented by formula (1), a liquid crystal composition contains the compound and a liquid crystal display device includes the composition.  In formula (1), Ra and Rb are fluorine or alkyl; A, Aand Aare 1,4-phenylene; Zand Zare a single bond or alkylene; one of Yand Yis fluorine, and the other is hydrogen; Rc is alkyl; and a and b are independently 0, 1, 2 or 3, and a sum of a and b is 0, 1, 2 or 3.

Liquid crystal compound, liquid crystal composition and liquid crystal display device

To show a liquid crystal compound satisfying at least one of physical properties such as high chemical stability, a high clearing point, a low minimum temperature of a liquid crystal phase, low viscosity, large optical anisotropy, large dielectric anisotropy, a suitable elastic constant and excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. A compound is represented by formula (1). 

[object Object]

A solution is a compound represented by formula (1), a liquid crystal composition containing the compound and a liquid crystal display device including the composition.  In formula (1), Rand Rare independently alkyl having 1 to 30 carbons or the like; and X and Y are independently fluoroalkyl having 1 to 5 carbons, fluoroalkoxy having 1 to 5 carbons or pentafluorosulfanil, and one of X and Y may be fluorine.

A liquid crystal compound is provided that satisfies at least one physical properties such as high stability to ultraviolet light and heat, a high clearing point, low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy and excellent compatibility with other liquid crystal compounds A liquid crystal composition containing the compound, and a liquid crystal display device including the composition is also provided. The compound includes a compound represented by formula (1): wherein, Rand Rare alkyl; A, Aand Aare 1,4-cyclohexylene, 1,4-phenylene; G is a divalent group represented by formula (pr-1) or (pr-2); wherein, Z, Zand Zare a single bond or alkylene; and a and b are 0, 1, 2 or 3, and a sum of a and b is 4 or less.

Dihydropyran compound, liquid crystal composition and liquid crystal display device

To provide a liquid crystal compound having a large negative value of dielectric anisotropy (&#x394;&#x2208;). A compound is represented by formula (1): wherein, in formula (1), Rand Rare hydrogen, halogen or alkyl having 1 to 10 carbons, and in the alkyl, at least one of &#x2014;CH&#x2014; may be replaced by &#x2014;O&#x2014;, at least one of &#x2014;(CH)&#x2014; may be replaced by &#x2014;CH&#x2550;CH&#x2014;, and at least one of hydrogen may be replaced by halogen; ring Aand ring Aare 1,4-cyclohexylene or 1,4-phenylene; Zis a single bond, &#x2014;(CH)&#x2014;, &#x2014;CHO&#x2014;, &#x2014;OCH&#x2014;, &#x2014;CFO&#x2014;, &#x2014;OCF&#x2014;, &#x2014;COO&#x2014;, or &#x2014;OCO&#x2014;; Y is halogen, &#x2014;CF, &#x2014;CFH or &#x2014;CHF; and m, n and p are 0, 1 or 2, and a sum (m+n) of m and n is 0, 1 or 2.

Phenolic compound having carbonyl as neighboring group and application thereof

A liquid crystal compound is provided that satisfies at least one physical property, including high stability to ultraviolet light and heat, a high clearing point, low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy and excellent compatibility with other liquid crystal compounds. A liquid crystal composition containing the compound, and a liquid crystal display device including the composition is also provided. The composition contains the compound, and the liquid-crystal display device includes the composition: wherein, for example, Rand Rare alkyl; rings A, A, Aand Aare 1,4-cyclohexylene or 1,4-phenylene; and P is a divalent group represented by formula (pr-1) or (pr-2): wherein, for example, Z, Z, Zand Zare a single bond or alkylene; and a, b, c and d are 0, 1 or 2, and a sum of a, b, c and d is 5 or less.

Growing community of inventors

Chiba, Japan

Yasuyuki Sasada