Dongbu Hitek Co., Ltd.

Yuhan Corporation

Jeong-Seok Chae

Tai-Au Lee

Doo-Byung Lee

Beom-Joo Maeng

Sang-Seon Park

A touch screen, a touch panel, and a driving method thereof are provided. The touch panel recognizes a user's touch, and includes a plurality of driving lines arranged in a first direction. A plurality of sensing lines are arranged in a direction crossing the first direction. Pixels are at locations where the driving lines and the sensing lines cross each other. Some of the pixels include mutual capacitance type pixels that recognize the user's touch by mutual capacitance, and at least part of the remainder of the pixels include self-capacitance type pixels that recognize the user's touch by self-capacitance.

Touch screen and touch panel including mutual capacitance type and self-capacitance type pixels, and driving method thereof

The present invention provides a process for preparing an imidazole derivative or its salt which comprises reacting a tetrahydrofuran or tetrahydropyran derivative with formamidine or its salt in the presence of a base.

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Seoul, South Korea

Jeong-Seok Chae