Lg Display Co., Ltd.

Lg Philips Lcd Co., Inc.

Nack Bong Choi

Hyun Sik Seo

Min Joo Kim

Seung Han Paek

Byung Chul Ahn

Soon Sung Yoo

Seung Hee Nam

Youn Gyoung Chang

Jeong Hyun Kim

Oh Nam Kwon

Juhn Suk Yoo

Jung Il Lee

Hyun Kyu Lee

Yong Bum Kim

Jae Hong Jun

Hyun Sang Chung

Dae Hyun Nam

A flexible organic electroluminescent device is disclosed which includes: a flexible substrate; a buffer layer entirely formed on the flexible substrate; a thin film transistor formed on the buffer layer and configured to include an active layer; a planarization film formed to cover the thin film transistor; an organic light emitting diode formed on the planarization film and configured to include a first electrode, an organic emission layer and a second electrode; and at least one silicon nitride layer formed above the active layer of the thin film transistor but under the planarization film and patterned into a plurality of island patterns.

Flexible organic electroluminescent device and method of fabricating the same

Flexible organic electroluminescent device having an island patterned silicon nitride layer

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

Provided are an organic semiconductor structure and a method of manufacturing the same, an organic thin film transistor (OTFT) using the organic semiconductor structure and a method of manufacturing the OTFT, and a display apparatus using the same. The OTFT includes: an oxide layer formed on a base substrate; a source electrode on the oxide layer, wherein the source electrode includes a first source electrode portion and a second source electrode portion; a drain electrode on the oxide layer, wherein the drain electrode includes a first drain electrode portion and a second drain electrode portion; an organic layer pattern having an opening that exposes the first source electrode portion and the first drain electrode portion; an organic semiconductor pattern electrically connected to the first source electrode portion and the first drain electrode portion through the opening, wherein the organic semiconductor pattern has a conductive or an insulating property depending on an applied electric field in a location; a gate insulating layer covering the organic semiconductor pattern; and a gate electrode formed on the gate insulating layer corresponding to the organic semiconductor pattern.

Organic thin film transistor and method of manufacturing the organic thin film transistor, and display apparatus using the same

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.

A flexible organic electro-luminescence device is adapted to improve its flexibility and to completely and substantially exclude the intrusion of external moisture and/or oxygen. The flexible organic electro-luminescence device includes: a substrate of a thickness of about 0.05 mm&#x2dc;0.2 mm; a planarization layer on the substrate; a thin film transistor on the planarization layer; a passivation layer on the planarization layer and the thin film transistor, with a contact hole exposing a drain electrode of the thin film transistor; a reflective layer on the passivation layer; an anode electrode on the reflective layer, electrically connected to the drain electrode of the thin film transistor; a bank layer on the edge region of the anode electrode and the passivation layer, including an organic material; an organic light emitting layer on the anode electrode; a cathode electrode on the bank layer and the organic light emitting layer; and a seal layer on the cathode electrode, including an organic film, an inorganic film, an adhesive film and a protective film.

Flexible organic electro-luminescence display device and manufacturing method thereof

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 organic thin film transistor and a method for fabricating the same are disclosed. The method for fabricating the organic thin film transistor includes forming a gate electrode on a substrate. A gate insulating layer is formed on an entire surface of the substrate including the gate electrode, and source and drain electrodes are formed at a predetermined interval from each other on the gate insulating layer. An organic semiconductor layer is formed on the entire surface of the substrate and a first protection layer is formed on the organic semiconductor layer. The first protection layer is patterned and the organic semiconductor layer etched using the remaining first protection layer as a mask. A second protection layer is then formed on the entire surface of the substrate.

Organic thin film transistor, method for fabricating the same, and liquid crystal display device with the same

An in plane switching (IPS) mode liquid crystal display (LCD) panel is fabricated with a reduced number of mask processes and includes a thin film transistor (TFT) array substrate with a TFT provided at a crossing of gate and data lines, a protective film protecting the TFT, a pixel electrode connected to the TFT, a common line substantially parallel to the pixel electrode, a common electrode connected to the common line to generate a horizontal electric field with the pixel electrode, and a pad including a transparent conductive material and connected to the gate line, the data line and/or the common line. A color filter array substrate is joined to, and overlaps a portion of, the TFT array substrate. Portions of the protective film where the color filter array substrate which do not overlap the TFT array substrate are removed to expose the transparent conductive material included in the pad.

Liquid crystal display panel of horizontal electronic field applying type and fabricating method thereof

A liquid crystal display device includes an upper substrate, a lower substrate, a liquid crystal layer between the upper and lower substrates, a transparent electrode consisting of at least two layers of transparent material provided on at least one of the upper and lower substrates and a spacer material jetted onto the transparent electrode by an ink-jet system, wherein the spacer material has a hydrostatic property different from one of the at least two layers of the transparent electrode.

Growing community of inventors

Gyeonggi-do, South Korea

Nack Bong Choi