Lg Display Co., Ltd.

Lg Philips Lcd Co., Inc.

Sang Hee Yu

Sung Hyun Cho

Hun Jeoung

Sung Wook Chang

Bo Sun Lee

Deuk Su Lee

Won Seok Kang

Sang Chul Han

Kyo Seop Choo

Jae Sung Yu

Hee Kwang Kang

Bu Yeol Lee

Hoon Jeong

Kyung Eon Lee

Joon Dong Lee

Seung Ryull Park

Sang Woon Kim

Present invention is related to a display device and a driving method thereof, and particularly, to a display device and a driving method thereof, which control an output timing of a scan signal output to gate lines by using two or more external start signals having different timings.

Display device and method for driving same

Present invention relates to a display device and a driving method thereof. In particular, the present invention is to provide a display device and a driving method thereof, which block at least one of scan signals output from gate lines according to an enable signal.

Display device and a method for driving same

Present invention is related to a display device and a driving method thereof. In particularly, the present invention is to provide a display device and a driving method thereof, in which a data driver driven at a low frequency which is capable of inverting a polarity of a data voltage in each frame.

Display device

Disclosed is an electrostatic discharge (ESD) protection circuit. The ESD protection circuit includes a transistor structure having at least five thin film transistors (TFTs), said transistor structure configured in view of changes in operating characteristics that depend on a channel length of a back channel etched (BCE) type oxide transistor.

Electrostatic discharge circuit and liquid crystal display device including the same

The present invention relates to an array substrate for a liquid crystal display (LCD) and a manufacturing method thereof. The array substrate comprises gate lines crossing data lines on a transparent substrate to define pixel areas; thin film transistors connected to a gate line and a data line; pixel electrodes overlapping the gate and data lines, the pixel electrodes being connected to one of the thin film transistors through a contact hole, and stretched over two adjacent pixel areas to form an electric field; and storage electrodes overlapping with the gate lines, connected to a pixel electrode through a contact hole, wherein the storage electrodes maintain an intensity of the electric field formed by the pixel electrodes at a level equal to or higher than a predetermined level.

Array substrate for liquid crystal display and manufacturing method thereof

A method for fabricating an LCD device includes providing first and second substrates; forming an active layer on the first substrate and forming first and second ohmic contact layers on the active layer; forming a first insulation film on the first substrate; forming a gate electrode on the first substrate; forming a second insulation film on the first substrate; forming a pixel electrode on the first substrate; forming a third insulation film on the first substrate; removing a portion of the first to third insulation film to form first and second contact holes, wherein the first contact hole exposes a portion of the first ohmic contact layer and the second contact hole exposes a portion of the second ohmic contact layer; forming a source electrode electrically connected with the first ohmic contact layer within the first contact hole; forming a drain electrode electrically connected with the second ohmic contact layer and the pixel electrode within the second contact hole; and attaching the first and second substrates.

Liquid crystal display device and fabrication method thereof

A liquid crystal display device having optical sensors, for sensing a touch, embedded in a liquid crystal panel to improve touch sensitivity is disclosed. The liquid crystal display device includes pixel regions spaced from each other on a first substrate, gate lines formed to separate the pixel regions in a first direction, driving voltage lines parallel to the gate lines, data lines formed between the pixel regions in a second direction intersecting the first direction, storage lines parallel to the driving voltage lines, read-out lines separated from neighboring data lines by one pixel region in the second direction, display transistors formed at intersections of the gate and data lines, pixel electrodes formed in the pixel regions, output switching transistors formed between the gate and read-out lines, capacitors formed between the output switching transistors and storage lines, and photo sensing transistors formed on the output switching transistors and storage lines.

Liquid crystal display device

The present invention relates to a liquid crystal display panel and a method for fabricating the same which can improve aperture and prevent a brightness deviation between lots. The liquid crystal display panel includes a thin film transistor formed on a lower substrate and connected to a gate line and a data line, a pixel electrode connected to a drain electrode of the thin film transistor, a common electrode forming a horizontal electric field with the pixel electrode, a connection electrode overlapped with and connected to the data line, and a black matrix on an upper substrate opposite to the lower substrate for forming a vertical electric field with the connection electrode.

Liquid crystal display panel and method for fabricating the same

A liquid crystal display device includes a gate line and a data line intersecting each other on a substrate. The liquid crystal display device further includes a photo sensing device and a first thin film transistor ('TFT') located at an intersection area of the gate line. The photo sensing device operates to sense an ambient light and includes a storage capacitor to store charge generated by light. The photo sensing device is drive by a driving voltage other than the data voltage.

Liquid crystal display device having image sensing function

A method for fabricating a color-filter on transistor (COT) type LCD device, to improve the yield by simplifying the fabrication process with diffraction exposure, which includes the steps of forming a gate line, a gate electrode, a gate pad and a data pad on a substrate; depositing a gate insulating layer and an active layer; forming a data line intersecting the gate line to define a unit pixel region, source and drain electrode on the active layer, and first and second connection conductive layers forming an insulating interlayer on the remaining portions except the first and second connection conductive layers and the drain electrode; forming a color filter layer and a black matrix layer on the insulating interlayer; forming an overcoat layer on the remaining portions of the color filter layer except the first and second connection conductive layers and the drain electrode.

Method for fabricating liquid crystal display device of color-filter on transistor type

A liquid crystal display panel and a fabricating method thereof for reducing the number of data lines and the capacitance of a parasitic capacitor between pixel electrodes are disclosed. A first switching part has at least two thin film transistors for applying a first pixel signal that is supplied to a first data line to a first pixel electrode under control of the second control line and the gate line. A second switching part has at least two thin film transistors for applying a second pixel signal supplied to the second data line to the second pixel electrode under control of the first control line and the gate line. A turn-on current value of wither of the two thin film transistors, in each of the first and second switching parts, is more than that of the other thin film transistor.

Growing community of inventors

Paju-si, South Korea

Sang Hee Yu