Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Woo Seok Jeon

Eun Jeong Cho

Sung Hoon Yang

Bo Geon Jeon

Yung Bin Chung

Hi Kuk Lee

Byung Uk Kim

Tae Young Ahn

Hyoc Min Youn

Joo Pyo Yun

Provided are liquid crystal display and the method for manufacturing the same. According to an aspect of the present invention, there is provided a liquid crystal display device, including a first substrate; a gate electrode disposed on the first substrate; a semiconductor pattern layer disposed on the gate electrode; and a source electrode and a drain electrode disposed on the semiconductor pattern layer and facing each other, wherein a diffusion prevention pattern is disposed on the semiconductor pattern layer to prevent diffusion into the semiconductor pattern layer or to maintain uniform thickness of the semiconductor pattern layer.

Liquid crystal display device and method of manufacturing the same

A photoresist composition capable of forming a high resolution pattern without an additional heating process includes an alkali-soluble phenol polymer in an amount of 10 to 70 parts by weight, including at least one unit of Formula 1, a photo-acid generator in an amount of 0.5 to 10 parts by weight, a dissolution inhibitor in an amount of 5 to 50 parts by weight, including at least one unit of Formula 2, and a solvent in an amount of 10 to 90 parts by weight, wherein the amounts of the foregoing components is based on a total of 100 parts by weight of alkali-soluble phenol polymer, photo-acid generator, dissolution inhibitor, and solvent, and wherein Formulas 1 and 2 have the structures:  

Photoresist composition, method of patterning thin film using the same, and method of manufacturing liquid crystal display panel using the same

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Seoul, South Korea

Woo Seok Jeon