Lg Display Co., Ltd.

Kum Mi Oh

Han Seok Lee

Hee Sun Shin

Jae Young Oh

Jae Kyun Lee

Dong Su Shin

Won Keun Park

Sung Hoon Kim

Joon Young Yang

Myoung Su Yang

In Sang Jung

Jae Hoon Park

Hyun Jin Kim

Deuk Ho Yeon

Sun Wook Ko

Seung Hyo Ko

A stretchable display apparatus can include a transistor substrate having a plurality of first regions corresponding to a plurality of pixel substrates disposed on a base substrate, and a second region between the plurality of first regions; a connection line disposed in the second region, the connection line electrically connecting two adjacent pixel substrates among the plurality of pixel substrates; and a reduction pattern disposed in the second region. Also, the reduction pattern can include a first reduction pattern overlapping with the connection line; and a second reduction pattern spaced apart from the first reduction pattern by a first distance and having a shape corresponding to at least a portion of the connection line.

Stretchable display apparatus

Discussed is a method of manufacturing a LCD device, the method including: forming a gate in each of a plurality of pixel areas on a substrate; forming a gate insulator to cover the gate; forming a semiconductor layer on the gate insulator, and forming a photoresist (PR) on the semiconductor layer; doping high-concentration impurities at the semiconductor layer by using the photoresist (PR) as a mask to form an active layer, a source, and a drain; and doping low-concentration impurities at the semiconductor layer by using the photoresist (PR) as the mask to form a lightly doped drain (LDD) between the active layer and the source and between the active layer and the drain.

Method of manufacturing liquid crystal display device using first and second photoresists

Discussed are a liquid crystal display (LCD) device and a method of manufacturing the LCD device. The LCD device can include a plurality of pixel areas defined by intersections of a plurality of gate lines and a plurality of data lines, a gate disposed in each of the plurality of pixel areas, a gate insulator disposed to cover the gate, an active layer disposed on only the gate with the gate insulator therebetween, a thin film transistor (TFT) configured to include a source, which is disposed at a first side of the active layer, and a drain disposed at a second side of the active layer, a pixel electrode connected to the drain of the TFT and configured to supply a data voltage to a corresponding pixel area, a common electrode configured to supply a common voltage to the corresponding pixel area, and a lightly doped drain (LDD) disposed between the active layer and the source and between the active layer and the drain. At least a portion of the LDD can be disposed on the gate.

Liquid crystal display device and method of manufacturing the same

A liquid crystal display device with a built-in touch screen with improved contact efficiency between the data electrode and the pixel electrode on the lower substrate, and a method for manufacturing such a device with reduced cost and excellent efficiency by making use of a half-tone mask are disclosed.

Liquid crystal display device with a built-in touch screen and method for manufacturing the same

Disclosed is LCD device and a method of manufacturing the same, which increases a margin between the channel width and length (W/L) of a thin film transistor having a multi-gate structure, wherein the device comprises a substrate where a plurality of pixel regions are defined by a data line and a gate line; an active layer formed at each of a plurality of pixel regions of the substrate; a gate electrode comprising a plurality of multi-patterns overlapping with the active layer with an insulation layer therebetween; and a data electrode electrically connected to the active layer, wherein the multi-patterns are formed in straight by compensating pattern distortion of an edge portion of a gate pattern, and formed with the gate pattern which is designed to comprise a plurality of compensation patterns.

A polysilicon thin film transistor device includes a gate metal pattern including a gate electrode and a gate line formed on a substrate, the gate metal pattern having a stepped portion, a gate insulating film formed on the gate metal pattern, a polysilicon semiconductor layer formed on the gate insulating film, the polysilicon semiconductor layer including an active region, lightly doped drain regions, a source region, and a drain region, a source electrode connected to the source region and a drain electrode connected to the drain region on the polysilicon semiconductor layer, and a pixel electrode connected with the drain electrode.

Polysilicon thin film transistor device and method of fabricating the same

A liquid crystal display device with a built-in touch screen comprising a substrate having a pixel region, a thin film transistor formed at the pixel region, the thin film transistor including at least an active layer, a gate electrode, an insulating layer, and a data electrode, a first passivation layer formed on the thin film transistor, a first contact hole formed through a portion of the first passivation layer to expose the data electrode, a common electrode formed on at least one portion of the first passivation layer including inside the first contact hole, the common electrode operable to sense touch, a conductive line formed on at least one portion of the first passivation layer including inside the first contact hole, a second passivation layer formed on the common electrode and the conductive line, a second contact hole formed through a portion of the second passivation layer to expose the conductive line corresponding to the data electrode, and a pixel electrode electrically connected with the conductive line, the pixel electrode formed on the second passivation layer and inside the second contact hole, wherein the data electrode and the pixel electrode are electrically connected via the common electrode and the conductive line.

A liquid crystal display device includes a substrate; gate and data lines disposed on the substrate crossing each other to define a plurality of pixel regions; a plurality of pixel electrodes disposed in the pixel regions; a common electrode which is patterned to have common electrode pattern portions, each common electrode pattern portion corresponding to a respective pixel region; a plurality of sensing lines disposed on the common electrode and electrically connected with the common electrode; and at least one an electric field shield layer disposed over a region between adjacent common electrode pattern portions.

Liquid crystal display device

A liquid crystal display device with a built-in touch screen, which uses a common electrode as a touch-sensing electrode including an intersection of a gate line and a data line to define a pixel region, a bridge line disposed in a central portion of the pixel, an insulating layer formed on the bridge line, a first contact hole disposed through the insulating layer to expose a predetermined portion of an upper surface of the bridge line, a contact metal on the insulating layer and inside the first contact hole, the contact metal electrically connected with the bridge line, a first passivation layer on the contact metal, a second contact hole disposed through the first passivation layer to expose a predetermined portion of an upper surface of the contact metal, a common electrode on the first passivation layer and inside the second contact hole, a conductive line electrically connected with the common electrode, and a second passivation layer on the first passivation layer and the conductive line, wherein the bridge line and the common electrode are electrically connected via the contact metal.

Liquid crystal display device and method for manufacturing the same

Disclosed is a liquid crystal display device with a built-in touch screen, which facilitates enhanced driving performance, and reduces manufacturing cost by a simplified manufacturing process, and a method for manufacturing the same. The device comprises a first substrate with a plurality of pixel regions defined by gate lines and data lines; an active layer in each pixel region of the first substrate; a gate pattern including a plurality of gate electrodes, a portion of the gate electrodes overlapping with a predetermined portion of the active layer with an insulating layer interposed in-between; a plurality of channel regions in the areas of the active layer overlapped with the plurality of gate electrodes; a plurality of lightly doped drain regions in the active layer and directly adjacent to the plurality of channel regions; and a data electrode electrically connected to the active layer.

A liquid crystal display device includes a display panel including a display area and a non-display area surrounding the display area, a plurality of gate lines and data lines arranged on the display area to intersect each other, so as to define a plurality of pixel regions, a plurality of thin-film transistors formed at respective intersections of the gate lines and the data lines, a plurality of pixel electrodes formed on the respective pixel regions and connected to the thin film transistors, and at least one first common line provided between the data lines and arranged parallel to the data lines.

An LCD device includes a substrate including an active region and a dummy region; gate and data lines disposed on the substrate crossing each other to define a plurality of pixel regions in the active region; a pixel electrode disposed in each of the plural pixel regions; a common electrode which is patterned in the active region to define common electrode pattern portions, respective common electrode pattern portions and the pixel electrodes each forming an electric field; a first sensing line disposed on the common electrode and electrically connected with the common electrode to sense a user's touch; and at least one dummy electrode disposed in the dummy region adjacent one of the common electrode pattern portions.

An in-plane switching mode LCD having a plurality of pixels arranged in a matrix includes a gate line formed on a lower substrate, a data line formed such that the data line intersect the gate line to define a pixel region, a TFT (Thin Film Transistor) formed at the intersection of the gate line and the data line, a pixel electrode connected to the TFT, a common electrode to generate a horizontal electric field with the pixel electrode, and a common line supplying common voltage to the common electrode, wherein the common line comprises a first common line formed parallel to the gate line, a second common line formed parallel to the date line in a side portion of the pixel region adjacent to the data line, and a third common line formed parallel to the gate line and disposed between a first row and a second row of the matrix.

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Seoul, South Korea

Kum Mi Oh