Lg Chem, Ltd

Lg Energy Solution, Ltd.

So Young Choo

Bu Gon Shin

Eun Kyu Her

Jeong Ho Park

Jung Hwan Yoon

Song Ho Jang

Chung Wan Kim

Jin Soo Lee

Yeong Rae Chang

Boo Kyung Kim

Hye Min Kim

Yong Suk Kim

Ju Ryoun Kim

Yeon Jae Yoo

A smaller and lighter diffraction light guide plate, and a method of manufacturing the same.

Diffraction light guide plate and method of manufacturing diffraction light guide plate

A diffraction light guide plate, including: a first diffraction substrate; and a second diffraction substrate provided on the first diffraction substrate. The first diffraction substrate includes a first diffraction grating layer on one surface and a second diffraction grating layer on an opposite surface. The second diffraction substrate includes a third diffraction grating layer on one surface and a stress compensation layer on an opposite surface. The first diffraction grating layer separates light having a wavelength of 550 nm or more and 700 nm or less, the second diffraction grating layer separates light having a wavelength of 400 nm or more and 550 nm or less, the third diffraction grating layer separates light having a wavelength of 450 nm or more and 650 nm or less, and the stress compensation layer has stress in the same direction as a direction of stress of the third diffraction grating layer.

The present invention relates to a method for forming an amorphous layer on one surface of a second substrate through a simple method of performing laser irradiation on a multilayered metal layer provided on a first substrate.

Method for producing amorphous thin film

A wearable device which is lighter, relatively safer at the time of breakage, and smaller than a wearable device having a lens substrate that is a glass substrate.

Wearable device including a plastic lens substrate

A method of manufacturing a module having multiple pattern areas, a module having multiple pattern areas according to the method, and a method of manufacturing a diffraction grating module or a mold for a diffraction grating module. The method of manufacturing a module having multiple pattern areas comprises: disposing a first substrate having a first pattern on a first base substrate; forming a first cutting line on the first substrate; forming a second cutting line on the first substrate; removing any one of a first area defined by the first cutting line and a second area defined by the second cutting line from the first substrate to form a removed area on the first substrate; disposing a second base substrate having a second pattern different from the first pattern in the removed area; and removing the first substrate from the base substrate without removing the first and second areas.

Method of manufacturing module having multiple pattern areas, module having multiple pattern areas according to the method, and method of manufacturing diffraction grating module or mold for diffraction grating module

A plasma etching method using a Faraday cage, including: providing an etch substrate in a Faraday cage, where the etch substrate includes a metal mask provided on one surface thereof, and where an upper surface of the Faraday cage is provided with a mesh portion; a first patterning step of forming a first pattern area on the etch substrate; and a second patterning step of forming a second pattern area on the etch substrate after shielding at least a part of the mesh portion with a shutter. The first pattern area includes a first groove pattern having a depth gradient of 0 to 40 nm per 5 mm, and the second pattern area includes a second groove pattern having a depth gradient of 50 to 300 nm per 5 mm.

Plasma etching method using faraday cage

The present invention relates to a method of welding an electrode tab which welds an electrode tab and a current collecting layer by using a pulsed laser beam, and a cable type rechargeable battery including an electrode manufactured according to the same.

Method of welding electrode tab and cable type rechargeable battery including electrode manufactured according to the same

The present invention relates to a method of manufacturing a mold for a diffraction grating light guide plate by using two mask films, the mold having first to fourth pattern portions provided on one surface thereof, and to a method of manufacturing a diffraction grating light guide plate.

Method of manufacturing mold for diffraction grating light guide plate and method of manufacturing diffraction grating light guide plate

The present invention relates to a method of manufacturing a mold substrate for a diffraction lattice light guide plate, and a method of manufacturing a diffraction lattice light guide plate.

Method of manufacturing mold substrate for diffraction lattice light guide plate, and method of manufacturing diffraction lattice light guide plate

A plasma etching method using a Faraday cage, comprising: providing a Faraday cage having a mesh portion on an upper surface thereof in a plasma etching apparatus; providing a quartz substrate having a metal mask with an opening provided on one surface of the metal mask in the Faraday cage; and patterning the quartz substrate with plasma etching.

Plasma etching method using Faraday cage

Disclosed are a method for forming a pattern for liquid crystal orientation of a zenithal bi-stable liquid crystal panel, a liquid crystal orientation substrate including the pattern formed thereby, and a mask substrate used for forming the pattern. The method includes: (a) depositing a silicon-based compound on a silicon substrate, (b) forming a guide pattern on an upper portion of the deposited silicon-based compound layer by using an imprint lithography, (c) discontinuously exposing the silicon substrate by transferring a pattern from the guide pattern onto the silicon-based compound layer by dry etching, (d) forming a pattern in an asymmetrical form on the silicon substrate by wet etching, (e) removing the part of the remaining silicon-based compound layer, and then hydrophobically treating a pattern surface of the silicon substrate; and (f) transferring a pattern in an asymmetrical form onto a glass substrate by disposing the surface-treated silicon substrate to face the glass substrate, and supplying a dielectric therebetween.

Method for forming pattern for liquid crystal orientation of zenithal bi-stable liquid crystal panel, liquid crystal orientation substrate including pattern formed thereby, and mask substrate used for forming pattern

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Daejeon, South Korea

So Young Choo