Lg Display Co., Ltd.

Lg Philips Lcd Co., Inc.

Hyun Sik Seo

Chang Dong Kim

Kwang Hoon Shin

Nack Bong Choi

Jeong Hyun Kim

Jaesung You

Yun Ho Jung

Seung Han Paek

Dae Hyun Nam

Heung Lyul Cho

Young Dug Kim

Byoung Ho Lim

Hong Sik Kim

Hae Yeol Kim

Young Joo Kim

Yong In Park

Jung Jae Lee

Su Hyun Park

Sang Soo Kim

Hee Chun Boo, Legal Representative

A method for forming an alignment layer is disclosed, to prevent light leakage generated by a physical contact between a rubbing roll and a substrate, which includes preparing a substrate; coating an alignment material on the substrate, for initial alignment of liquid crystal; applying an electric field or a magnetic field to the alignment material, for determination of alignment direction in the alignment material; and curing the alignment material.

Method and apparatus of forming alignment layer for liquid crystal display device

A fabricating method of a flexible display device includes forming first and second jig substrates that have a first groove and a second groove formed in a lower part of an edge of the first groove; spreading an adhesive over the second groove; fixing first and second flexible substrates to the first groove and the adhesive; fabricating an upper array substrate on the first flexible substrate and a lower array substrate on the second flexible substrate; bonding the upper array substrate to the lower array substrate and injecting a liquid crystal; and peeling the first and second flexible substrates from the first and second jig substrates.

Fabricating method of flexible display

A method for manufacturing a flexible display device in which a flexible substrate is acquired by forming display devices on one side of the substrate and thinning the substrate by removing surface portions on an opposite side of the substrate. The thickness of the substrate is changed from a first thickness, which gives rigidity to the substrate to the second thickness, which gives flexibility to the substrate.

Manufacturing method of the flexible display device

A thin film transistor array substrate device includes a gate line formed on a substrate, a data line crossing the gate line with a gate insulating pattern position therebetween, a thin film transistor at a crossing of the gate line and the data line, a pixel electrode formed at a pixel region defined by the crossing of the gate line and the data line and connected to the thin film transistor, a gate pad part having a lower gate pad electrode connected to the gate line and an upper gate pad electrode connected to the lower gate pad electrode, a data pad part having a lower data pad electrode connected to the date line and an upper data pad electrode connected to the lower data pad electrode, and a passivation film pattern formed at a region besides the region including the pixel electrode, the upper data pad electrode, and the upper gate pad electrode, wherein the pixel electrode is formed on the gate insulating pattern of the pixel region exposed by the passivation film pattern.

Thin film transistor array substrate and method of fabricating the same

A method for forming an alignment layer for a liquid crystal display includes preparing a substrate, applying an alignment material for initial alignment of a liquid crystal, and applying a field flux (e.g., an electric or magnetic field) to the alignment material to determine the alignment direction of the alignment material. Further disclosed is an apparatus for forming an alignment layer for a liquid crystal display. The apparatus comprises a substrate stage on which a substrate is mounted, and an electric or magnetic field generator installed at the periphery of the substrate stage. According to the method and the apparatus, since the alignment direction of an alignment material is determined by using an electric or magnetic field, no physical contact with a substrate is required and thus the problem of light leakage caused by rubbing alignment is solved.

Apparatus for fabricating liquid crystal display panels

A fabricating method of a flexible display device includes the steps of providing an adhesive layer including a first adhesive material on a first surface of a support film, a second adhesive material on a second surface of the support film such that an adhesive strength of the second adhesive material is lower than an adhesive strength of the first adhesive material, and a third adhesive material encompassing an edge of the second adhesive material such that an adhesive strength of the third adhesive material is higher than the adhesive strength of the second adhesive material; a first passivation film adhered to the first surface of the support film with the first adhesive material therebetween; and a second passivation film adhered to the second surface of the support film with the second adhesive material and the third adhesive material therebetween; peeling the first passivation film from the adhesive layer; adhering a rigid substrate to the first adhesive material; peeling the second passivation film from the adhesive layer; and adhering a flexible substrate onto the second and third adhesive materials.

An organic TFT array substrate and a fabricating method thereof are disclosed. In the organic TFT array substrate, a data line is disposed on a substrate and a gate line crosses the data line. A source electrode is connected to the data line. A drain electrode is disposed a predetermined distance from the source electrode. An organic semiconductor layer forms a channel between the source electrode and the drain electrode. An organic gate insulating film is disposed on the organic semiconductor layer with the same pattern as the organic semiconductor layer. A gate electrode overlies the organic semiconductor layer on the organic gate insulating film. A gate photo-resist pattern disposed on the gate electrode is used to form the gate electrode. A pixel electrode is connected to the drain electrode.

Organic thin film transistor array substrate and fabrication method thereof

An embodiment of a laser crystallization method includes providing a substrate on which an amorphous silicon thin film is deposited, positioning a laser mask over the substrate, the laser mask including a mask pattern that contains transmitting regions and a blocking region, irradiating a first laser beam onto a surface of the substrate through the pattern of the laser mask to first crystallize a predetermined region of the silicon thin film, moving the laser mask or a stage on which the substrate is loaded in an X-axis direction to perform second crystallization using the laser mask, repeatedly performing the crystallization to an end of the substrate in the X-axis direction, moving the laser mask or the stage in a Y-axis direction, and repeatedly performing the crystallization in the Y-axis direction to complete crystallization.

Laser mask and crystallization method using the same

A crystallization method and system are provided which improve a crystallization process by deciding a best-fit focal plane for a laser beam using a test mask and then applying the decided best-fit focal plane to the crystallization process. The crystallization method includes loading a test mask on a mask stage; deciding a best-fit focal plane by performing a crystallization test using the test mask, checking the test result and deciding conditions of a best-fit focal plane from the test result; moving the mask stage to a position corresponding to the best-fit focal plane; loading a mask for crystallization process onto the moved mask stage; and performing the crystallization process using the mask for crystallization process.

Method of deciding focal plane and method of crystallization using thereof

Method and apparatus for forming alignment layer for liquid crystal display

A method for forming an alignment layer for a liquid crystal display is disclosed. The method includes preparing a substrate and depositing an alignment layer on the substrate. The method also includes applying one of an electric field and a magnetic field to the alignment layer to set an alignment direction of the alignment layer.

Method of forming alignment layer for liquid crystal display and liquid crystal display fabricated using the same

A liquid crystal display (LCD) device includes a first substrate and a second substrate, an organic light emitting element formed by interposing a first insulating layer on an outer surface of the first substrate, a second insulating layer and a protective layer formed in order over an entire surface of the organic light emitting element, a thin film transistor formed on the first substrate, a passivation layer formed over an entire surface of the first substrate including the thin film transistor, a pixel electrode formed on the passivation layer to be connected to the thin film transistor, a common electrode formed on the second substrate, and a liquid crystal layer formed between the first substrate and the second substrate. A method for fabricating the LCD includes the steps of forming a first insulating layer on an outer surface of a first substrate, forming an organic light emitting element on the first insulating layer, forming a second insulating layer over an entire surface of the organic light emitting element, forming a protective layer on the second insulating layer, forming a thin film transistor on the first substrate, forming a passivation layer over an entire surface of the first substrate including the thin film transistor, forming a pixel electrode on the passivation layer, and forming a liquid crystal layer between the first substrate and a second substrate.

Liquid crystal display device and method for fabricating the same

A laser mask includes a mask pattern with edges having inverted shapes to alleviate the effects of diffraction of laser beams to reduce overlap regions such that crystallization characteristics are improved. The laser mask includes a mask pattern that includes transmitting regions and a blocking region. The edges of the mask have shapes inverted to the shapes of the edges of a silicon thin film crystallized by the pattern.

Growing community of inventors

Anyang-si, South Korea

Hyun Sik Seo