Cheil Industries Inc.

Samsung Fine Chemicals Co., Ltd.

Shenzhen Wote Advanced Materials Co., Ltd.

Sang Mi Kang

Dae Yeon Kim

Sun Hwa Chang

Jin Kyu Lee

Dong Yoon Shin

Kil Seuk Byun

Ki Cheol Yoon

Seong Joong Kim

Ji Soo Ahn

Methods of preparing an aromatic liquid crystalline polyester resin and an aromatic liquid crystalline polyester resin compound are disclosed. A method of preparing an aromatic liquid crystalline polyester resin may include: acetylating a first monomer including an amino group by a reaction with a carboxylic acid anhydride; acetylating a second monomer including a hydroxyl group and not including an amino acid group with an additional carboxylic acid anhydride; and synthesizing an aromatic liquid crystalline polyester prepolymer by a condensation polymerization reaction of the acetylated first and second monomers with dicarboxylic acid. A method of preparing an aromatic liquid crystalline polyester resin compound may use the aromatic liquid crystalline polyester resin prepared according to the forgoing method.

Method for preparing an aromatic liquid crystal polyester resin and method for preparing a compound of aromatic liquid crystal polyester resin

A method of preparing a wholly aromatic liquid crystalline polyester amide resin and a method of preparing a wholly aromatic liquid crystalline polyester amide resin compound. The method of preparing a wholly aromatic liquid crystalline polyester amide resin is performed using a monomer having both a hydroxyl group and an acetylamino group or using a monomer having a hydroxyl group and a monomer having an acetylamino group. In addition, the method of preparing a wholly aromatic liquid crystalline polyester amide resin compound is performed using a wholly aromatic liquid crystalline polyester amide resin that is prepared using the method.

Method for preparing wholly aromatic liquid crystalline polyester amide resin and method for preparing wholly aromatic liquid crystalline polyester amide resin compound

A prism sheet, a backlight unit, and a liquid crystal display device, the prism sheet including a transparent substrate; and at least one prism on the transparent substrate, wherein a refractive index (n) and a basic angle (&#x3b8;) of the at least one prism satisfies the following condition: 1&#x2266;n/sin &#x3b8;&#x2266;4.

Prism sheet having prisms with wave pattern, black light unit including the prism sheet, and liquid crystal display device including the black light unit

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Daejeon, South Korea

Sang Mi Kang