Lg Philips Lcd Co., Inc.

Lg Display Co., Ltd.

Kyung-Su Chae

Hyun-Ho Song

Sang-Sun Shin

Jong-Go Lim

Hun-Jun Choo

Jong Go Lim

Young-Sang Byun

Heon-Do Yun

Yong-Sang Byun

A cutting assembly for cutting a substrate has two circular cutting wheels. The cutting wheels are bonded together as a unitary unit. Each cutting wheel has cutting protrusions on its circumference. The cutting assembly creates two lines of intermittent cuts on the substrate.

Cutting wheel for liquid crystal display panel

An apparatus for conveying a liquid crystal display panel for moving various size unit liquid crystal display panels. The present invention includes a horizontal driving unit controlling a revolution of a motor, a plurality of screw shafts protruding out of the horizontal driving unit. A pair of robot arms having first and second ends, the first ends are supported by corresponding screw shafts and extend from the screw shafts, and a plurality of clamping units connected to the second ends of the robot arms.

Apparatus for conveying liquid crystal display panel

In an apparatus and a method for correcting a grinding amount of a unit liquid crystal display panel, by grinding an edge of a unit liquid crystal display panel; generating grinding pictures of the unit liquid crystal display panel; calculating an error value by comparing the grinding pictures with a reference picture; and changing a set value of a grinding unit according to the error value. In addition, by disposing a grinding amount correcting apparatus in a grinding apparatus, correcting a grinding amount of a unit liquid crystal display panel can be performed by an automatic system.

Apparatus and method for correcting grinding amount of liquid crystal display panel

A fabrication system for a liquid crystal display device includes an alignment layer line for forming an alignment layer on a first substrate and a second substrate, the first substrate and the second substrate being separately supplied thereto, a spacer scattering line for scattering spacers on one of the first substrate and the second substrate, a sealant coating line for coating a sealant material on one of the first substrate and the second substrate, an assembling line for bonding the first and second substrates together, a cutting line for separating the bonded first and second substrates into a plurality of liquid crystal display cells, and a liquid crystal layer line for injecting liquid crystal material into each of the liquid crystal display cells, wherein the alignment layer line, the spacer scattering line, the sealant coating line, the assembling line, the cutting line, and the liquid crystal line are positioned along a single fabrication line.

Fabrication system for liquid crystal display device and method of fabricating liquid crystal display device using the same

A method of fabricating a liquid crystal display device includes providing a first substrate, forming an alignment layer on the first substrate using an ink jet method to form a plurality of holes that expose portions of the first substrate, and forming a spacer within each of the plurality of holes using the ink jet method.

Method of fabricating liquid crystal display device

A substrate transfer system is used in fabricating a liquid crystal display (LCD) device. The system includes a cassette having a bar code, a cassette stocker to store the cassette; an auto guided vehicle that is able to transfer the cassette; a moving path unit to determine a moving path of the auto guided vehicle, a plurality of process stages at which processes are conducted on a substrate during fabrication of the LCD device, and a host to control the cassette stocker, the auto guided vehicle and the process stages. At least one of the auto guided vehicle and the cassette stocker having a bar code reader.

Substrate transfer system

An indicator for deciding a grinding amount of a liquid crystal display panel and a method for detecting grinding failure using the same are disclosed in the present invention. The indicator includes at least one alignment mark formed at a gate pad unit and a data pad unit of a liquid crystal display panel, and at least one pattern for detecting a grinding amount between a first end portion of the gate pad unit and the alignment mark, and a second end portion of the data pad unit and the alignment mark.

Indicator for deciding grinding amount of liquid crystal display panel and method for detecting grinding failure using the same

A method for cutting a liquid crystal display panel is disclosed in the present invention. The method includes forming a plurality of unit liquid crystal display panels on first and second mother substrates, wherein the unit liquid crystal display panels have at least two different sizes, forming a plurality of first scribing lines on a surface of the first mother substrate, rotating the first and second mother substrates by 90&#xb0;, and forming a plurality of second scribing lines on the surface of the first mother substrate.

Method for cutting liquid crystal display panel

An apparatus for convening a liquid crystal display panel for moving various size unit liquid crystal display panels. The present invention includes a horizontal driving unit controlling a revolution of a motor, a plurality of screw shafts protruding out of the horizontal driving unit. A pair of robot arms having first and second ends, the first ends are supported by corresponding screw shafts and extend from the screw shafts, and a plurality of clamping units connected to the second ends of the robot arms.

A method of forming an alignment layer for a liquid crystal display device including: attaching a transfer film on a printing roll, the transfer film including a convex portion having first-sized halftone dots and second-sized halftone dots; positioning a substrate on a printing table; providing aligning solution on an anilox roll using a doctor roll; and transferring the aligning solution on the anilox roll to the transfer film while moving the printing table and rotating the printing roll, and then coating the aligning solution on the substrate to thereby form an alignment layer on the substrate.

Method of forming alignment layer for liquid crystal display device

An apparatus for inspecting rubbing inferiority of an alignment film of a liquid crystal display device by spraying moisture particles, the apparatus including a moisture storing unit for storing moisture, and a moisture particle generating unit for pelletizing moisture ejected from the moisture storing unit and spraying on a substrate.

Apparatus for inspecting rubbing inferiority of alignment film of liquid crystal display device

A method of fabricating a liquid crystal display device includes forming a first testing terminal along a side surface of a first substrate, forming a second testing terminal along a side surface of a second substrate, attaching the first and second substrates together to expose the first and second testing terminals, and conducting a lighting test using the first and second testing terminals.

Growing community of inventors

Daegu, South Korea

Kyung-Su Chae