Industrial Technology Research Institute

Daily Polymer Corporation

Chih-Lung Chin

Kung-Lung Cheng

Shih-Hsien Liu

Chun-Ming Wu

Wan-Chi Chen

Chien-Hsien Cheng

Yi-Rong Wang

An-Cheng Chen

Chao-Wu Liaw

Jian-Wen Lin

Hui-Fang Tseng

Kuo-Chang Wang

Chien-Wen Lin

Kevin Lin

Wan Chi Chen

Ann-Cheng Chen

Peu-Jane Haung

Chang-Hung Wu

Yi-Liang Tsai

Chun-Ming Wei

A chiral catalyst represented by formula (II) is provided. In formula (II), Y independently includes hydrogen, fluorine, trifluoromethyl, isopropyl, tert-butyl, CHor OCH, wherein m=1-10 and n=1-10. A heterogeneous chiral catalyst is also provided. The heterogeneous chiral catalyst includes the chiral catalyst represented by formula (II), and a substrate connected to the chiral catalyst. 

Chiral catalyst and heterogeneous chiral catalyst comprising the same

A device for continuously manufacturing acrylate compound and a method for continuously manufacturing acrylate compound are provided. The device for continuously manufacturing acrylate compound includes a reaction system, a feed tank and a collection tank. The feed tank connects to the inlet port of the reaction system, in order to introduce an alcohol compound and acrylic acid compound into the reaction system. The collection tank connects to the outlet port of the reaction system, in order to collect the acrylate compound. In particular, the reaction system includes at least two reaction units, an inlet port and an outlet port, wherein each reaction unit includes a microreactor and a centrifugal element.

Device and method for continuously manufacturing acrylate compound

A method for preparing a nitrate ester is provided. The method includes providing a first solution including a compound (which has at least one hydroxyl group) and a carboxylic acid having 2-5 carbon atoms; providing a second solution including nitric acid, acetic anhydride, and acetic acid; and transferring the first solution and the second solution to a microreactor, obtaining a nitrate ester after a residence time. In particular, the ratio of the weight of nitric acid to the total volume of the acetic anhydride and acetic acid is 1:1 to 1:3.5. The ratio of the molar amount of nitric acid to the hydroxyl group equivalent of the compound is from 1:1 to 15:1.

Method for preparing nitrate ester

A compound and a liquid-crystal composition employing the same are provided. The compound has a structure represented by Formula (I) wherein Zand Zare independently A, A, Aand Aare independently single bond, Z, Z, Z, and Zare independently single bond, R is independently hydrogen, or Calkyl group; Rand Rare independently single bond, &#x2014;O&#x2014;(CH)&#x2014;, &#x2014;CH&#x2550;CH&#x2014;(CH)&#x2014;, &#x2014;(CH)&#x2014;CH&#x2550;CH&#x2014;, &#x2014;CH&#x2550;CH&#x2014;, or &#x2014;C&#x2261;C&#x2014;; n is an integer from 1 to 6; Band Bare independently and, Ris hydrogen, or methyl group.

Compound and liquid-crystal composition employing the same

Organic metal compounds, organic light-emitting devices, and lighting devices employing the same are provided. The organic metal compound has a chemical structure represented by Formula (I): wherein M is Ir, Pt, Ru, Os, Cu, Au, or Pd; n is 1, 2, or 3; m is 0, 1, or 2, and the sum of m and n is equal to a valence of M; L is a bidentate ligand; Ris hydrogen, Calkyl group, Ccycloalkyl group, or Caromatic group; each of Ris independent and can be hydrogen, halogen, cyano group, Calkyl group, Cfluoroalkyl group, Ccycloalkyl group, or Caromatic group; Ris halogen; and, Rand Rare independently the same or different hydrogen, hydroxyl group, amine group, alkyl amine group, halogen, cyano group, Calkyl group, Cfluoroalkyl group, Ccycloalkyl group, or Caromatic group.

Organic metal compound, organic light-emitting device, and lighting device employing the same

In an embodiment of the present disclosure, a liquid crystal display is provided. The liquid crystal display includes an upper substrate, a lower substrate opposite to the upper substrate, and a liquid crystal layer disposed between the upper substrate and the lower substrate, wherein the liquid crystal layer includes a first chiral compound and a second chiral compound, and the first chiral compound and the second chiral compound are enantiomeric and separated from each other.

Liquid crystal displays

An embodiment of the disclosure provides a liquid crystal compound having the following formula: 

Liquid crystal compound and liquid crystal display

A chiral compound of formula (I) or (II) is provided, wherein each of Rand Rindependently, is hydrogen, hydroxyl, halogen, amino, nitrile, Calkyl, or Calkoxyl. A liquid crystal composition comprising 80-99.5 parts by weight of a liquid crystal host; and 0.5-20 parts by weight of the chiral compound as described above is also provided.

Chiral compound and liquid crystal composition containing the same

An embodiment of the invention provides a liquid crystal compound having the following formula: 

Liquid crystal compound, and liquid crystal display

A liquid crystal compound of Formula (I) is provided.  In Formula (I), A is benzene, naphthalene, pyridine, furan, thiophene or a single bond, D is benzene, naphthalene, pyridine, furan, thiophene or a single bond, Rand Rare C1-10 alkyl, C1-10 alkoxy, fluoro or trifluoro methyl, E is benzene, naphthalene, pyridine, furan, thiophene or a single bond, W is &#x2014;CO&#x2014;O&#x2014;, &#x2014;O&#x2014;CO&#x2014;, &#x2014;O&#x2014;, &#x2014;CH&#x2014;CH&#x2014;, &#x2014;CH&#x2550;CH&#x2014;, &#x2014;CH&#x2014;O&#x2014; or a single bond, Z is benzene, naphthalene, pyridine, furan, thiophene or a single bond, Y is hydrogen, methyl, ethyl or propyl, m is 0, 1 or 2, p is 0, 1 or 2, r is 0, 1 or 2, q is 0, 1 or 2, and n is 0, 1, 2 or 3. The invention also provides a liquid crystal display and photochromic material including the compound.

Liquid crystal compounds, and liquid crystal displays and photochromic materials comprising the liquid crystal compounds

An embodiment of the invention provides a chiral dopant having the following formula:  

Chiral dopants, liquid crystal matrix and manufacturing method thereof and liquid crystal display

A liquid crystal composition and a liquid crystal display employing the same are provided. The liquid crystal composition includes: 100 parts by weight of at least one nematic liquid crystal; 1-20 parts by weight of at least one photosensitive chiral compound; and 1-20 parts by weight of at least one non-photosensitive chiral compound.

Liquid crystal composition and liquid crystal display employing the same

An isosorbide derivative of Formula (I) is provided.  In Formula (I), Z is &#x2014;CH&#x2014;CH&#x2014;, &#x2014;CH&#x2550;CH&#x2014;, &#x2014;C&#x2261;C&#x2014;, &#x2014;CH&#x2014;O&#x2014;, &#x2014;CH&#x2014;S&#x2014;, &#x2014;CH&#x2550;N&#x2014;O&#x2014;, &#x2014;CO&#x2014;O&#x2014;, &#x2014;CO&#x2014;S&#x2014;, single bond, -ph-, &#x2014;CO&#x2014;O-ph- or &#x2014;CO&#x2014;O-ph-CO&#x2014;O&#x2014;, and ph represents benzene, Rand Rare, independently, C1-25 alkyl, &#x2014;CN, &#x2014;NCS, &#x2014;CXor &#x2014;OCX, and X represents halogen, and m and n are, independently, 0, 1 or 2. The invention also provides a liquid crystal display including the isosorbide derivative.

Isosorbide derivatives and liquid crystal displays comprising the same

A liquid crystal display (LCD) and a fabrication method thereof are provided. The LCD includes a first substrate and a second substrate opposite to the first substrate. At least two layers of cholesteric liquid crystal layers are disposed between the first and the second substrates, wherein chiral dopants with different optical activities are respectively added in the cholesteric liquid crystal layers, and the chiral dopants have the same chemical structure. The fabrication method includes providing a first substrate and a second substrate opposite to the first substrate. A plurality of chiral dopants with different optical activities and having the same chemical structure are mixed into the same liquid crystal host respectively to form at least two kinds of cholesteric liquid crystal materials. Then, the cholesteric liquid crystal materials are disposed between the first and the second substrates to form at least two layers of cholesteric liquid crystal layers.

Liquid crystal display and fabrication method thereof

An organic metal complex is provided. The organic metal complex has formula (I): wherein Rincludes hydrogen, C1&#x2dc;C9 alkyl, C5&#x2dc;C8 cycloalkyl, or substituted or non-substituted aromatic groups, Rand Rcomprise hydrogen, fluorine, trifluoromethyl, C1&#x2dc;C9 alkyl, C5&#x2dc;C8 cycloalkyl, or substituted or non-substituted aromatic groups, Y comprises C&#x2014;R or carbonyl, wherein R comprises hydrogen, C1&#x2dc;C9 alkyl, C5&#x2dc;C8 cycloalkyl, or substituted or non-substituted aromatic groups, L is a ligand, M comprises iridium, platinum, ruthenium, gold, or palladium, m is 1&#x2dc;3, and n is 0&#x2dc;2, wherein m+n is equal to the valence of M.

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Hsinchu, Taiwan

Chih-Lung Chin