Industrial Technology Research Institute

An-Cheng Chen

Kung-Lung Cheng

Shih-Hsien Liu

Pei-Chen Huang

Chun-Ming Wu

Chih-Lung Chin

Chien-Hsien Cheng

Heng-Yin Chen

Shyue-Ming Jang

Kuo-Liang Yeh

Kuo-Chang Wang

Tai-Ann Chen

Chiao-Nan Huang

Kevin Lin

Peu-Jane Huang

The invention discloses a reflective liquid crystal material formulation, wherein a liquid crystal component of high dielectric anisotropy is employed to lower the driving voltage. By modulating the addition ratio of the high dielectric anisotropy components, reflective liquid crystal compositions of different reflective colors can be driven by a single driving voltage. The invention also provides a reflective bistable display using the above formulation.

Liquid fluorescent composition and light emitting device

A liquid crystal compound of Formula (1) is provided below: wherein R is hydrogen, linear or branching C1-15 alkyl, linear or branching C1-15 alkyl (wherein any one of &#x2014;CH&#x2014; is replaced by &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;CO&#x2014;, &#x2014;CO&#x2014;O&#x2014;, or &#x2014;O&#x2014;CO&#x2014;), linear or branching C2-15 alkenyl, or linear or branching C2-15 alkenyl (wherein any one of &#x2014;CH&#x2014; is replaced by &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;CO&#x2014;, &#x2014;CO&#x2014;O&#x2014;, or &#x2014;O&#x2014;CO&#x2014;), A and B are, independently, cyclohexane, cyclohexane (wherein any one of &#x2014;CH&#x2014; is replaced by &#x2014;O&#x2014; or &#x2014;NH&#x2014;), benzene, or benzene (wherein any one of &#x2014;CH&#x2550; is replaced by &#x2014;N&#x2550;), X is a single bond, &#x2014;CO&#x2014;O&#x2014;, &#x2014;O&#x2014;CO&#x2014;, &#x2014;CHO&#x2014;, &#x2014;OCH&#x2014;, &#x2014;CHCH&#x2014;, &#x2014;C&#x2550;C&#x2014;, &#x2014;C&#x2261;C&#x2014;, &#x2014;CFO&#x2014;, or &#x2014;OCF&#x2014;, Q is oxygen or CH, Y is CF, CFH, or CFH, L, L, and Lare, independently, hydrogen or fluorine, and m is 0, 1, or 2.

Liquid crystal compounds and compositions and liquid crystal displays and photoelectric devices comprising the compounds and compositions

A display device including a gate driver, a data driver and a plurality of sub-pixels is disclosed. The gate driver sequentially asserts a first scan signal and a second scan signal. The data driver provides a first data signal and a second data signal. When the first scan signal is asserted, the first scan signal and the first data signal respond with a first response signal. When the second scan signal is asserted, the second scan signal and the second data signal respond with a second response signal. The pulse of the first response signal is different from the pulse of the second response signal. A first sub-pixel among the sub-pixels displays a first color according to the first response signal. A second sub-pixel among the sub-pixels displays a second color according to the second response signal, and the first color is different from the second color.

Driving method and display device utilizing 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

The disclosed is a liquid crystal compound and method for manufacturing the same. The liquid crystal compound can be used alone or mixed with commercially available liquid crystal compounds. Because low rotational viscosity of the liquid crystal compound of the invention, it can be used as positive or negative dielectric anisotropic liquid crystal composition.

Liquid crystal compound and liquid crystal display utilizing the same

A liquid crystal compound of Formula (I) is provided.  In Formula (I), Y, Yand Yare, independently, hydrogen, halogen, cyano or thiocyano, and R is C1-12 alkyl or C1-12 alkoxy, preferably C3-6 alkyl. The liquid crystal compound is colorless. The invention also provides a liquid crystal composition including the liquid crystal compound.

Growing community of inventors

Hsinchu, Taiwan

An-Cheng Chen