Lg Display Co., Ltd.

Si-Hyun Kim

Hyun-Ho Park

Nak-Yoon Kim

You-Sung Nam

Ji-Hoon Yu

Sai-Chang Yun

Key-Young Yang

Kyoung-Seok Park

Hye-Ji Jeon

A liquid crystal display device includes first and second substrates facing and spaced apart from each other; a liquid crystal layer between the first and second substrates; a thin film transistor in a subpixel on an inner surface of first substrate; a pixel electrode connected to the thin film transistor; a common electrode generating an electric field with the pixel electrode; a black matrix in a border portion of the subpixel on an inner surface of the second substrate, the black matrix including a metallic material, and a voltage applied to the black matrix; and a color filter layer in a center portion of the subpixel on the black matrix.

Liquid crystal display device

A touch display device includes a substrate; a thin film transistor over the substrate; a planarization layer over the thin film transistor; a touch line over the planarization layer; a touch insulation layer over the touch line; a touch electrode over the touch insulation layer; a pixel electrode over the touch electrode and connected to the thin film transistor, wherein the planarization layer has a first hole corresponding to a drain electrode of the thin film transistor, and the touch insulation layer has a second hole corresponding to the drain electrode, and wherein the second hole includes a first hole portion and a second hole portion connected to each other along a first direction, the first hole is disposed within the first hole portion, and the touch electrode is in contact with the touch line through the second hole portion.

Touch display device

A driving circuit for a display device, for reducing power consumption of a data driver, and a method of driving the driving circuit are disclosed. The driving circuit includes a data driver for maintaining buffers of the data driver in an on state every preset specific frame period and maintaining the buffers in an off state every remaining period except for specific frame periods in a refresh mode for processing image data of one image for the specific frame periods only.

Driving circuit for display device and method of driving the same

Growing community of inventors

Paju-si, South Korea

Si-Hyun Kim