Inktec Co., Inc.

Haeun Chemtec Co., Ltd.

Other

Dong-A University Research Foundation for Industry-Academy Cooperation

Intek Co., Ltd.

Inktek Co., Ltd.

Kwang Choon Chung

Ji Hoon Yoo

Hyun Nam Cho

Myoung Seon Gong

Yun-Ho Jung

Hyun-Nam Cho

Kyung Soo Kim

Chung Il Kim

Hae Sung Jung

Ki Yong Kim

Sung Chul Jeon

Sang Pil Kim

Byung Hun Kim

Jeong Woo Lee

Nam-Boo Cho

Jae Joon Shim

Chang Soo Kim

Su-Han Kim

Su Han Kim

Young-Kwan Seo

Sung-Ho Jin

Nam Boo Cho

Myung Sun Gong

Moon Bok Lee

Yun Ho Jung

Ki Bong Suh

Kee In Son

Curtis Rhodes

Myung Bong Yoo

Chang Soo Yu

Young-Koo Han

Myung-Bong Yoo

Kwang-Baek Yoon

Su Phil Kim

Ji-Hoon Yoo

Hyung Ho Gil

Seong Hoon No

Byung Hoon Im

Dong Rip Kim

Jeong Guck Lee

Jung Hwan Kim

Yoo Seong Kim

Young-Ho Han

Young Choul Shin

Ik-Kyu Park

Jae Ho Baek

Kyong-Min Lee

Ae-Ran Hyun

Hoo Shick Kim

Hee-Yong Ahn

Jae Wook Lee

Ju Yeon Lee

Young Ho Chung

Yi Sup Han

Nam Bu Cho

Jae Ho Beak

Ju Jin Choi

Seok Pil Jin

In Ha Kim

Seong Yong Uhm

The present invention relates to a method for fabricating blackened conductive patterns, which includes (i) forming a resist layer on a non-conductive substrate; (ii) forming fine pattern grooves in the resist layer using a laser beam; (iii) forming a mixture layer containing a conductive material and a blackening material in the fine pattern grooves; and (iv) removing the resist layer remained on the non-conductive substrate.

Method for fabricating blackened conductive patterns

The invention relates to methods for fabricating an optoelectronic device, including: directly applying a printing ink composition to a patterning process, wherein the printing ink composition includes (1) at least one compound selected from the group of compounds represented by Chemical Formula 1, Chemical Formula 2, Chemical Formula 3, and mixtures thereof as disclosed herein in an amount of 0.01-90 wt % based on the total weight of the composition and (2) at least one material for an optoelectronic device.

Methods for fabricating an optoelectronic device

The present invention relates to a method for producing a transparent conductive film in a form of complex multi-layer film comprising at least one layer using a silver complex compound having special structure and an organic acid metal salt. The method for producing the transparent conductive film, using one or more solution processes, comprises steps of (1) forming a transparent layer over a transparent substrate to improve transmittance; and (2) forming the conductive layer allowing conductivity, and further comprises a step of (3) forming a protective layer to prevent a change over time of the conductive layer. According to the present invention, it is possible to achieve large-scaled transparent conductive film having excellent conductivity and transmittance, as well as simple processes.

Transparent conductive layer and preparation method thereof

Provided are a phosphaphenanthrene-carbazole-based organic light-emitting compound having superior light emitting properties, and an organic light-emitting device including the same.

Phosphaphenanthrene-carbazole-based organic light-emitting compound, and organic light-emitting device comprising same

The present invention provides an etching solution for silver or silver alloy comprising one at least ammonium compound represented by the formula (1), (2) or (3) below and an oxidant: wherein each of the variables is as defined herein.

Etching solutions

Disclosed is a method for manufacturing a double-sided printed circuit board (PCB) having a circuit pattern by printing a conductive paste. According to the method of the present invention, a circuit pattern that is precise and highly conductive can be formed, and a reduction in raw materials and the simplification of processes are made possible. Also, due to the printing of the conductive paste, short-circuit can be prevented even when a conductive layer is bent or exposed to heat or physical impact.

Method for manufacturing a double-sided printed circuit board

Provided are a method for manufacturing a transparent conductive film and a transparent conductive film manufactured thereby, the method including: a) forming a coating film by coating a transparent conductive film coating solution on a substrate, the transparent conductive film coating solution including a non-polar solvent; a polar solvent; a conductive metal ink; and a surfactant; and b) forming a conductive pattern having a hole type transmissive part and a pattern part formed of the conductive metal ink, on the substrate, by drying and burning the coating film.

Method for manufacturing transparent conductive film

Provided is a method for manufacturing a metal film, including: coating or printing a metal ink containing an organic metal complex on a substrate; and necessarily parallel-performing a pressure process during a procedure of forming metal particles by firing the metal ink, thereby forming a conductive metal film. The present invention can provide a method for manufacturing a metal film capable of improving film characteristics such as conductivity, reflectance, and uniformity in thickness, and the like, as well as remarkably shortening the time for forming the metal film, thereby efficiently manufacturing a superior-quality metal film.

Method for preparing metallic thin film

Provided are a method for preparing a transparent conductive layer and a transparent conductive layer prepared by the method. The method for preparing a transparent conductive layer includes: 1) forming a cellulose derivative film by coating a transparent substrate with a cellulose derivative coating liquid; 2) hydrolyzing the cellulose derivatives by treating the cellulose derivative film using an alkaline agent; 3) forming a metal film by coating the hydrolyzed cellulose derivative film with an organic metal ink and reducing metals on the cellulose derivative; and 4) forming a conductive metal layer by heat-treating the cellulose derivative film with the metal film formed, and a transparent conductive layer prepared by the method. According to the present invention, a process can be simplified, and also a transparent conductive layer having excellent conductivity, transmittance, bending resistance, and low haze can be prepared.

Transparent conductive film-preparing method and transparent film prepared therefrom

Provided is a production method for a transparent conductive film wherein: a substrate has formed thereon a transparent conductive oxide, a conductive metal body, and a conductive polymer comprised in a transparent composite conductive layer; or else a substrate has formed thereon a transparent conductive oxide layer; a conductive metal body layer, and a conductive polymer layer comprised in a transparent composite conductive layer; or a substrate has formed thereon a transparent conductive oxide layer, and also a conductive metal body and a conductive polymer comprised in an organic-inorganic hybrid layer in a transparent composite conductive layer. Also provided is a transparent conductive film produced by means of the method.

Production method for a transparent conductive film and a transparent conductive film produced thereby

Provided is a method for manufacturing an electromagnetic interference (EMI) shielding film, including: (a) providing a single insulating layer on a first protective film, the insulating layer being made of an insulating layer composition including at least one resin selected from a thermoplastic resin and a thermosetting resin and at least one filler selected from a flame-retardant filler and an abrasion-resistant filler; (b) providing a metal layer on the insulating layer; (c) providing a conductive adhesive layer on the metal layer, the conductive adhesive layer being made from a conductive adhesive layer composition including at least one resin selected from a thermoplastic resin and a thermosetting resin and a conductive filler; and (d) providing a second protective film on the conductive adhesive layer, and an EMI shielding film manufactured by the method.

Method for manufacturing electromagnetic interference shielding film

The present invention relates to synthetic resin composition containing nano silver particles, in which a silver complex having a specific structure that allows formation of the nano silver particles is dissolved in monomer for the resin composition and the organic silver complex is decomposed with polymerization to prepare the synthetic resin composition containing the nano silver particles. The present invention can provide a method for resin compositions, which has simple and economic preparation process and allows uniform dispersion of the nano silver particles in the resin composition.

Method for preparing resin compositions containing nano silver particles

Disclosed herein is a method of manufacturing a metal flake, including the steps of: applying metal ink containing an organic metal compound onto a substrate; calcining the metal ink applied on the substrate to form a thin metal film; separating the formed thin metal film from the substrate; and pulverizing the separated thin metal film. The method of manufacturing a metal flake is characterized in that the thickness and size of metal flakes can be easily adjusted, metal flakes having excellent conductivity and gloss can be obtained, and metal flakes can be mass-produced using environmentally friendly and economical methods.

Method for manufacturing metal flakes

An ink jet printer bed in which a printing object placed on a bed is stably fixed by means of air suction and is printed, is disclosed, which comprises a plurality of upper plates having a plurality of air suction ports on their front surfaces; an intermediate plate which is formed of a guide space of which intermediate portion is open via its upper lower sides, the intermediate plate being assembled to a lower side of the upper plate; a lower plate which is assembled to a lower side of the intermediate portion and is formed of at least one air passage; a connection part which is assembled to each air passage of the lower plate and is connected with a suction pump; and a sensor which detects an air pressure in the interior of the bed and transmits a result of the detection to a controller which controls the operation of the suction pump, so the air pressure of the interior of the bed by the suction pump can be adjusted.

Printer bed and ink jet printer using the same

Growing community of inventors

Yongin-si, South Korea

Kwang Choon Chung