Lg Display Co., Ltd.

Choon Ho Park

Chul Ho Kim

Tae Young Oh

Yong In Park

Seung Han Paek

Sang Il Shin

Kyoung-Mook Lee

Jung Jae Lee

Jin Ho Choi

Hong Suk Yoo

Kuk Hwan Kim

Ki Sul Cho

Sang Kug Han

Soo Hong Kim

Eun Ji Ham

Byoung Cheol Song

Disclosed is a thin film transistor (TFT) of a display apparatus which reduces a leakage current caused by a hump and decreases screen defects. The TFT includes an active layer and a first gate electrode with a gate insulator therebetween, and a source electrode and a drain electrode respectively disposed at both ends of the active layer. The gate electrode branches as a plurality of lines and overlaps the active layer. The active layer includes one or more channel areas between the source electrode and the drain electrode, one or more dummy areas, and a plurality of link areas between the one or more channel areas to connect the one or more channel areas in one pattern. A length of each of the one or more dummy areas extends from an edge of a corresponding channel area.

Thin film transistor of display apparatus

An electrophoretic display device includes a lower substrate having a plurality of pixel electrodes on the lower substrate, having a lower organic layer on the pixel electrodes and the lower substrate, and having partition walls formed on the lower organic layer to surround the pixel electrodes, the pixel electrodes and partition walls defining a plurality of sub-pixels; an upper substrate bonded with the lower substrate, the upper substrate having a common electrode formed thereon with an upper organic layer on the common electrode; and electrophoretic dispersion liquid comprising a plurality of charged particles colored to display colors, the electrophoretic dispersion liquid disposed in the plurality of the sub-pixels defined by the pixel electrodes and the partition walls.

Electrophoretic display device and method for manufacturing the same

A patterning method and a method for manufacturing an LCD device using the same are disclosed. The patterning method includes preparing a printing plate having concave and convex portions; coating a pattern material in the concave portion of the printing plate; rolling a printing roller on the printing plate to print the pattern material of the concave portion on the printing roller; and rolling the printing roller on a substrate to print the pattern material of the printing roller on the substrate.

Patterning method and method for manufacturing liquid crystal display device using the same

A pattern forming method using printing device and method of manufacturing LCD device using the same is disclosed, which uses a cleaning dry film to remove a pattern material from a printing plate, the printing device comprising a printing roller coated with a pattern material; a printing plate including embossing and depressed patterns for patterning the pattern material of the printing roller; a substrate to which the pattern material on the embossing patterns of the printing roller is transcribed; and a cleaning unit, for removing the pattern material from the printing plate, provided with a film-supplying roller, a cleaning roller and a film-collecting roller combined with one another by one cleaning dry film.

Pattern forming method using printing device and method of manufacturing liquid crystal display device using the same

An electrophoretic display device includes a lower substrate having a plurality of pixel electrodes formed on the lower substrate and having partition walls formed on the lower substrate surrounding the pixel electrodes, the pixel electrodes and partition walls defining a plurality of sub-pixels; an upper substrate bonded with the lower substrate, the upper substrate having a common electrode formed thereon with an encapsulation layer formed on an area of the common electrode corresponding to the plurality of the sub-pixels; an electrophoretic dispersion liquid comprising a plurality of charged particles colored to display predetermined colors, the electrophoretic dispersion liquid injected into the plurality of the sub-pixels defined by the pixel electrodes and the partition walls; and an interlayer formed between the encapsulation layer and the electrophoretic dispersion liquid.

A printing device, a patterning method using the same and a method of fabricating an LCD device using the same are disclosed. The printing device includes a printing roll having a blanket adhered to an outer surface thereof; and an absorption nozzle to absorb solvent from the blanket. The absorption nozzle may include an absorber having a slit, a vacuum controller connected to the absorber, and a pipe connected to the vacuum controller.

Printing device, patterning method using the same, and method of fabricating a liquid crystal display device using the same

A method of manufacturing a liquid crystal display device includes attaching a flexible substrate and a base substrate using an adhesive therebetween, the base substrate including substantially pure iron; forming a plurality of thin films on a surface of the flexible substrate attached to the base substrate, the surface of the flexible substrate opposite to the attached surface of the flexible substrate; and etching the base substrate after forming the plurality of thin films.

Growing community of inventors

Gyeonggi-do, South Korea

Choon Ho Park