Samsung Electronics Co., Ltd.

Korea University of Technology and Education Industry-University Cooperation Foundation

Hyundai Mobis Co., Ltd.

Jin Woo Bae

Jin Sung Kim

Bo Un Yoon

Il Young Yoon

Choul Ho Lee

Kyu Cheol Kang

Seung Ju Oh

Jong Yang Choo

Jong Hyuk Park

Wuk Chul Joung

Bong Sik Choi

Hye Sung Park

Won Hoe Koo

Chang Hoon Baek

Yun Seok Woo

Hee Sook Cheon

Yang Hee Lee

Young Ho Koh

Su Young Shin

The present invention relates to a poly(butyl acrylate)-based composition for an electrochromic device having transparency and elasticity and a manufacturing method of an electrochromic member, wherein the composition for an electrochromic device according to an embodiment of the present invention includes a light-transmitting polymer resin, a cross-linking agent, an initiator, an ionic liquid, and an electrochromic material, wherein the light-transmitting polymer resin is poly(butyl acrylate).

Poly(butyl acrylate)-based composition for electrochromic device having transparency and elasticity and manufacturing method of electrochromic member

The present invention relates to a composition for an electrochromic device having improved optical transmission and elasticity, and a manufacturing method of an electrochromic member, wherein the composition for an electrochromic device according to an embodiment of the present invention includes a light-transmitting polymer resin, a plasticizer, and an electrochromic material.

Composition for electrochromic device having optical transmission, high flexibility, and high moisture resistance, and manufacturing method of electrochromic member

The present invention relates to a method for manufacturing a stretchable electrochromic device and a stretchable electrochromic device manufactured thereby, and more specifically, the present invention is characterized in that a stretchable electrochromic device, which is manufactured by stretching color changeable polymer gel, and then coating one surface and/or the other surface thereof with a metal solution, has excellent water resistance and initial transmittance.

Method for manufacturing stretchable electrochromic device, and stretchable electrochromic device manufactured thereby

An electro-responsive gel lens having automatic multifocal and image stabilization functions according to the present invention comprises: a first electrode and a second electrode formed on a substrate and having different polarities; and a transmissive part which is formed of an electroactive polymer, and the shape of which is deformed when a voltage is applied to the first electrode and the second electrode, wherein at least one of the first electrode and the second electrode is formed in the plural, and a voltage is individually applied so as to change the shape of the transmissive part in three dimensions, such that the location of the focal point of light passing through the transmissive part is changed in three dimensions.

Electro-responsive gel lens having automatic multifocal and image stabilization functions

A method of manufacturing a semiconductor device includes forming a first pattern structure having a first opening and a second pattern structure having a second opening on a substrate, forming a gap fill layer in the second opening, forming fences and contact structures in the first opening, removing the gap fill layer in the second opening, forming an upper conductive layer to cover the first and second pattern structures, the fences, and the contact structures, forming a mask pattern based on a photolithography process using the second pattern structure covered by the upper conductive layer as an align mark, and etching the upper conductive layer using the mask pattern to form upper conductive patterns. A width of the second opening is larger than a width of a first opening. A thickness of the upper conductive layer is smaller than a depth of the second opening.

Methods of manufacturing semiconductor devices

A method of forming a semiconductor device includes forming a mold structure on a substrate, forming a first mask layer having a deposition thickness on the mold structure and patterning the first mask layer to form first mask openings which expose the mold structure. The mold structure is etched to form holes that penetrate the mold structure. The first mask layer is thinned to form mask portions having thickness smaller than the deposition thickness. Conductive patterns are formed to fill the holes and the first mask openings. The first mask layer including the mask portions is etched to expose the mold structure. The conductive patterns include protrusions. A chemical mechanical polishing process is performed to remove the protrusions of the conductive patterns.

Method of forming semiconductor device

An apparatus for molding a lens for a vehicle lamp may include: a lower mold including a first lower mold part for molding a primary injection-molded product and a second lower mold part for molding a secondary injection-molded product; a rotating mold including a first middle mold part for molding the middle part of the primary injection-molded product and a second middle mold part for molding the middle part of the secondary injection-molded product; a first movement prevention stopper fixing the primary injection-molded product; a second movement prevention stopper fixing the primary injection-molded product; a movement/rotation device moving the rotating mold and rotating the rotating mold; and an upper mold including a first upper mold part for molding the upper part of the primary injection-molded product and a second upper mold part for molding the upper part of the secondary injection-molded product.

Apparatus for molding lens for vehicle lamp and method for manufacturing lens for vehicle lamp using the same

There is provided a light source for an illumination apparatus and a method of manufacturing the same. The light source includes a light emitting device; a power unit module supplying an electrical signal to the light emitting device; a support unit having the light emitting device thereon and discharging heat generated by the light emitting device to the outside; and a housing unit covering and protecting the light emitting device, the power unit module and the support unit. The light emitting device is disposed to have a height greater than that of a contact region between the power unit module and the housing unit with relation to a lower edge of the housing unit.

Light source for illumination apparatus and method of manufacturing the same

A method of manufacturing a power supply unit (PSU) is provided. The method includes providing at least one PSU supplying a dimming signal to at least one light source, performing a first test for electrical characteristics of the at least one PSU, detecting light emitted from the at least one light source, measuring a flicker of the at least one light source, and performing a second test for a state of the at least one PSU based on a flicker measurement result, and packing a PSU determined to be in a normal state among the at least one PSU, as a result of the first test and the second test.

System for manufacturing power supply unit and method for manufacturing supply unit, and flicker measurement apparatus

A test apparatus for a power supply unit is provided, which includes a body unit configured to define a space to receive a light emitting diode (LED) and to provide a test environment to test a supply state of power applied to the LED; and a test unit mounted in the body unit to face the LED and configured to detect flicker of the LED occurring when a power supply is abnormal. According to the foregoing structure, power supply with respect to the LED may be regularly detected and analyzed, thereby increasing quality of power supply with respect to the LED.

Apparatus for testing power supply units based on light emitting diode flickers

System for manufacturing power supply unit and method for manufacturing power supply unit, and flicker measurement apparatus

There is provided an illuminating device. The illuminating device includes a light source unit including a substrate and one or more light emitting devices mounted on the substrate, and a heat radiating unit including a sealed inner space into which a working fluid is injected, the working fluid being evaporated and condensed within the inner space due to heat of the light source unit, and emitting the heat of the light source unit to the outside through repeated phase changes according to evaporation and condensation of the working fluid.

Growing community of inventors

Seoul, South Korea

Jin Woo Bae