Korea Electronics Technology Institute

Seoul National University

Chul Jong Han

Soon Hyung Kwon

Won Keun Kim

Youn Sang Kim

Jun Woo Park

Jeongno Lee

Jeong No Lee

Jeong In Han

Younsang Kim

The present invention relates to a method and a device for converting energy using a change of a contact area and a contact angle of liquid and, more specifically, to a method and a device for converting mechanical energy into electric energy by applying a reciprocal phenomenon of electrowetting, wherein liquid and gas are positioned between two facing substrates and energy is converted by using a volume change of a fluid, such that the present invention has the advantages of preventing channel-blocking without requiring all facing electrodes to be patterned, simplifying a device configuration, implementing easy control, and removing the need to apply an external power source.

Energy conversion device using change of contact area and contact angle of liquid

The present invention relates to a flexible energy conversion device using a liquid, and more specifically, to a method and a device for converting mechanical energy into electric energy by applying an opposite phenomenon of electrowetting, which can change a surface contacting the liquid between one pair of electrodes, and use the change of the surface contacting the liquid to generate electric energy, so as to prevent channel blocking or so that a lubricating layer or electrodes patterned onto a channel in a complicated manner are not required, thereby enabling simplification of the device, reduction of manufacturing cost, and the energy conversion device that is less faulty.

Flexible energy conversion device using liquid

An ultra-thin edge-type backlight unit allowing a local dimming driving and a scanning driving and using a low-cost light source, and a display device of excellent screen quality are provided. The backlight unit includes a light guide plate, a light source disposed in a side of the light guide plate and a reflective-type display panel disposed on an opposite side of a surface where a light radiated from the light source is extracted.

Backlight unit and display device using the same

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Seoul, South Korea

Chul Jong Han