Lg Display Co., Ltd.

Lg Philips Lcd Co., Inc.

Myoung Kee Baek

Kwon Shik Park

Han Wook Hwang

Kyung Eon Lee

Kwang Ho Jang

Woo Hyun Kim

Yong-jin Cho

Young Wan Kwon

Disclosed herein are a liquid crystal display device including a photosensor for sensing brightness of external light such that the photosensor can stably sense the external light without influence of temperature or external noise, and a method for automatically controlling the brightness, the liquid crystal display device includes a liquid crystal panel having a display area and a non-display area defined therein and including first and second substrates facing each other and a liquid crystal layer filled between the first and second substrates, the first substrate having an outer portion protruding from the second substrate, a gate driver and a data driver formed in the non-display area of the first substrate, a photosensor formed in the outer portion of the first substrate, a dummy sensor formed in the non-display area of the first substrate covered by the second substrate, a backlight unit formed below the liquid crystal panel, and a control unit including a timing controller for controlling the gate driver, the data driver and the backlight unit, and a power supply unit for supplying a power voltage.

Liquid crystal display device and method for automatically controlling brightness

A method for repairing a liquid crystal display. The method includes preparing a liquid crystal panel including a signal pad part and a repair pad part connected to signal lines; testing a driving circuit connected to the signal pad part on the liquid crystal panel; opening signal links connecting the signal lines and the signal pad part, connected to the driving circuit, if the driving circuit is detected in a defect as a result of the test; and mounting a repair driving circuit to be connected to the repair signal pad part on the liquid crystal panel.

Liquid crystal display and method for repairing the same

A liquid crystal display device comprises a liquid crystal panel including first and second substrates bonded to each other with a liquid crystal layer positioned therebetween, and the photosensor, formed on the second substrate, for sensing an external light from the surroundings, wherein the photosensor includes a semiconductor layer formed on the second substrate and provided with n-type ion implantation region, ion non-implantation region and lightly doped region; an insulation film, formed on the second substrate, for covering the semiconductor layer; a passivation film, formed on the second substrate, for covering the insulation film; a first contact hole passing through the insulation film and the passivation film, to expose source and drain regions of the semiconductor layer; source and drain electrodes connected with the source and drain regions of the semiconductor layer through the first contact hole; an ion implanting prevention film formed on the insulation film and overlapped with the ion non-implantation region; and a second contact hole passing through the passivation film and the ion implanting prevention film above the ion non-implantation region, so as to provide the external light to the ion non-implantation region.

Liquid crystal display device with photosensor and method of fabricating the same

A liquid crystal display device and a method of manufacturing the same are disclosed. The liquid crystal display device includes a liquid crystal panel including gate pads connected to gate lines and data pads connected to data lines; at least one driving circuit mounted on a circuit substrate including poly-silicon thin-film transistors, formed by a low temperature poly-silicon (LTPS) process, and including circuit pads to be connected to the gate pads or data pads; and a conductive film to electrically connect the driving circuit and the gate pads or data pads.

Liquid crystal display device and method of manufacturing the same

Liquid crystal display with photosensor and method of fabricating the same

A method for forming a pattern includes forming a resist pattern on a printing roll, printing a multi-stepped resist pattern on an etching object layer formed on a substrate by using the printing roll and etching the etching object layer by using the printed resist pattern as a mask.

Fabrication method of liquid crystal display device

A printing apparatus of the present invention includes a mother clich&#xe9; having a plurality of sub-clich&#xe9;s and where a groove for a printing pattern is formed at each of the sub-clich&#xe9;s, a substrate for obtaining panels that correspond to the plurality of sub-clich&#xe9;s, respectively, and a printing means for printing the substrate using the mother clich&#xe9;.

Clich&#xe9; unit, printing apparatus, and printing method using the same

A method for fabricating a color filter of an LCD device includes: providing a clich&#xe9; having a plurality of grooves; filling Red, Green and Blue colored inks into the grooves of the clich&#xe9;; and repositioning the Red, Green and Blue colored inks onto a substrate of the LCD device.

Method for fabricating color filter of liquid crystal display device

A method of manufacturing an array substrate for an IPS mode LCD device includes: forming a gate electrode, a gate line, a data line and a common line using a printing process; forming an active layer on the substrate including the gate electrode using a printing process; forming a source electrode, a drain electrode, a pixel electrode including a plurality of zigzag-shaped pixel electrode bars, and a common electrode including a plurality common electrode bars arranged in an alternating pattern with the pixel electrode bars using a photo process; forming at least one contact hole on the substrate including the thin film transistor using a printing process to expose a portion of the common electrode line and a portion of the common electrode; and forming a connecting metal using a printing process to electrically connect the common electrode line and the common electrode through the at least one contact hole. Accordingly, it is possible to reduce a cost and simplify manufacturing procedures using one photo process and four printing processes.

Array substrate for in plane switching mode liquid crystal display device and method for manufacturing the same

Disclosed is a method for forming a pattern of a LCD device using a printing process, in which additive for detachment corresponding to detachment accelerant is coated in a groove of a clich&eacute; filled with ink, thereby easily transferring ink to a layer to be processed. A surface of the layer to be processed is processed chemically or physically to enhance an adhesive force with the ink.

Growing community of inventors

Gyeonggi-do, South Korea

Myoung Kee Baek