Lg Philips Lcd Co., Inc.

Lg Display Co., Ltd.

Kyung Su Chae

Sang Ho Park

Yong Sang Byun

Jong Woo Kim

Sang Seok Lee

Sung Su Jung

Hae Joon Son

Moo Yeol Park

Hyug Jin Kweon

Young Hun Ha

Sung Chun Kang

Jong Go Lim

Hun Jun Choo

Ji Heum Uh

Sang Sun Shin

Young Sang Byun

Joung Ho Ryu

Se Joon Baek

Wan Soo Kim

Im Su Lee

Young Hun Jeung

Jeong Joon Lee

Hyun Ho Song

Hong Seok Lee

A substrate bonding apparatus for use in fabricating LCD devices substantially prevents substrates held to upper stages from sagging. The substrate bonding apparatus may, for example, include upper and lower stages having a plurality of passages for holding respective substrates; suction force applying means having one end mounted within each passage for transmitting a suction force to operably proximate portions of a substrate, wherein the one end of the suction force applying means is projectable from within each passage to a predetermined distance from the stage; and a vacuum pump for providing a suction force to the suction force applying means.

Structure for loading substrate in substrate bonding apparatus for fabricating liquid crystal display device

An apparatus for dispensing a liquid crystal display panel includes a table for holding a substrate, the substrate having a plurality of picture display regions; and at least one dispenser installed at a side of the table, the dispenser having at least one dispensing material to be supplied to the substrate. A dispensing method for a liquid crystal display panel in accordance with the present invention includes providing at least one substrate on a table, wherein a plurality of unit panels are to be formed from the at least one substrate; supplying a dispensing material to a plurality of dispensers; and supplying at least one dispensing material to the plurality of unit panels on at least one substrate through nozzles.

Dispensing apparatus for liquid crystal display panel and dispensing method using the same

A liquid crystal display device including opposite first and second substrates, and column spacers between the first and second substrates, the column spacers formed such that the column spacers differ in size as positions of the column spacers differ, thereby accommodating the variation in gap between substrates when liquid crystal is concentrated at a lower end of the display due to gravity when a large LCD panel is in a vertical position.

Liquid crystal display device

Disclosed is a system for fabricating a liquid crystal display using liquid crystal dropping and a method of fabricating a liquid crystal display using the same. The present invention includes a liquid crystal forming line dropping liquid crystals on the first substrate, a sealant forming line forming the sealant on the second substrate, and a bonding and hardening line bonding the two substrates to each other and hardening the sealant, printing a sealant, bonding the substrates each other, and hardening the sealant and an inspection process line of cutting the bonded substrates into panel units and grinding and inspecting the unit panels. And, the GAP process line includes And, the present invention includes the processes of dropping LC on a first substrate using a dispenser, forming a main UV hardening sealant on a second substrate, bonding the first and second substrates to each other in a vacuum state, UV-hardening the main UV hardening sealant, cutting the bonded substrates into cell units, grinding the cut substrates, and inspecting the grinded substrates finally.

System and method for manufacturing liquid crystal display devices

System for fabricating liquid crystal display with calculated pattern of liquid crystal drops that do not contact sealant and method of fabricating liquid crystal display using the same

A system for fabricating a liquid crystal display using liquid crystal dropping and a method of fabricating a liquid crystal display using the same includes a liquid crystal forming line dropping liquid crystals on the first substrate, a sealant forming line forming the sealant on the second substrate, and a bonding and hardening line bonding the two substrates to each other and hardening the sealant, printing a sealant, bonding the substrates each other, and hardening the sealant and an inspection process line of cutting the bonded substrates into panel units and grinding and inspecting the unit panels. The present invention includes the processes of dropping LC on a first substrate using a dispenser, forming a main UV hardening sealant on a second substrate, bonding the first and second substrates to each other in a vacuum state, UV hardening the main UV hardening sealant, cutting the bonded substrates into cell units, grinding the cut substrates, and finally inspecting the grinded substrates.

Loader and bonding apparatus for fabricating a liquid crystal display device, and a loading method thereof are disclosed, the method for loading a substrate by using a loader having an arm with a plurality of robot fingers, and a plurality of adsorption pads on each of the robot fingers at regular intervals for adsorbing a substrate, and a bonding apparatus having a plurality of adsorption pins mounted on the upper stage movable in up/down direction for adsorption of the substrate being loaded, including the steps of the loader adsorbing, and holding the substrate at a back side thereof, and inverting the substrate, by using the adsorption pads, positioning the inverted substrate under the upper stage of the bonding apparatus, moving down the adsorption pins on the upper stage, and adsorbing the substrate at the back side thereof through the adsorption pins, removing adsorption force of the adsorption pads, and the loader being moved out of the bonding apparatus, and moving up the adsorption pins, and securing the substrate to the upper stage, whereby permitting inversion of the substrate without using an inverting device, and to prevent sagging of a large sized substrate to enable easy loading of the substrate on the bonding apparatus.

Loader and bonding apparatus for fabricating liquid crystal display device and loading method thereof

Disclosed is a system for fabricating a liquid crystal display (LCD) using liquid crystal dropping (LC) and a method of fabricating an LCD using the same. The invention includes an LC forming line dropping LC on a first substrate, a sealant forming line forming sealant on a second substrate, a bonding and hardening line printing a sealant, bonding the substrates each other, and hardening the sealant, and an inspection process line cutting the bonded substrates into panel units and grinding and inspecting the unit panels. The present invention drops LC on a first substrate using a dispenser, forms a main UV hardening sealant on a second substrate, bonds the first and second substrates to each other in a vacuum state, UV-hardens the main UV hardening sealant, cuts the bonded substrates into cell units, grinds the cut substrates, and inspects the grinded substrates.

A conveyor system is disclosed, having a width adjustment unit capable of adjusting a width according to the size of goods to transfer semiprocessed goods in the process line, which includes a transfer unit for transferring goods; conveyor plates provided at both sides of the transfer unit, and guiding the goods by supporting both sides of the goods; and the width adjustment unit including a wire connected with the conveyor plates, a driving pulley operating the wire, and a driven connected with the wire.

Conveyor system having width adjustment unit

A processing line for liquid crystal display fabrication. The process line reduces unnecessary processing steps by removing known defective (NG) individual liquid crystal panels before subsequent processing, with the knowledge about defects depending on stored information.

Apparatus and method for manufacturing liquid crystal display device

System for fabricating liquid crystal display and method of fabricating liquid crystal display using the same

A liquid crystal display device including opposite first and second substrates, and column spacers between the first and second substrates, the column spacers formed such that the column spacers differ in size as positions of the column spacers differ, thereby accommodating the variation in the gap between substrates when liquid crystal is concentrated at a lower end of the display due to gravity when a large LCD panel is in a vertical position.

Growing community of inventors

Taegu-kwangyokshi, South Korea

Kyung Su Chae