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公开(公告)号：US09541693B2
公开(公告)日：2017-01-10
申请号：US14039924
申请日：2013-09-27
Applicant: LG CHEM, LTD.
Inventor： Tae Su Kim , Jeong Ho Park , Bu Gon Shin , Jae Jin Kim , Jong Byung Lee , Jin Mi Jung
CPC classification number: G02B5/3091 , B01J19/12 , B29D11/00 , B29D11/00644 , G02B5/1838 , G02B5/3058 , G02B5/3075 , G02B27/283
Abstract: Provided are a polarized light splitting element, a method of manufacturing the same, a light radiating device, a method of radiating light, and a method of manufacturing an ordered photo-alignment film. The polarized light splitting element has excellent durability with respect to UV rays and heat, and low pitch dependence of polarization characteristics, so that it is easily manufactured. In addition, the polarized light splitting element may realize a high polarization degree and extinction ratio even in a short wavelength region.
Abstract translation: 本发明提供一种偏振光分离元件及其制造方法，发光装置，照明方法以及有序光取向膜的制造方法。 偏振光分离元件相对于紫外线和热量具有优异的耐久性，以及极化特性的低音调依赖性，因此易于制造。 此外，偏振光分离元件即使在短波长区域中也可实现高偏振度和消光比。
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公开(公告)号：US20150219918A1
公开(公告)日：2015-08-06
申请号：US14424915
申请日：2013-08-29
Applicant: LG Chem, Ltd.
Inventor： Tae Su Kim , Jae Jin Kim , Jong Byung Lee , Jeong Ho Park , Jin Mi Jung , Bu Gon Shin
CPC classification number: G02B27/283 , G02B5/20 , G02B5/30 , G02B5/3058 , G02B5/3075 , G02F1/133788 , G21K1/16 , G21K5/04
Abstract: The present application relates to a polarized ultraviolet light splitting element and to the use thereof. The present application may provide a polarized ultraviolet light splitting element which exhibits excellent splitting efficiency within a wide range of the ultraviolet light region and which has excellent durability. The element can be used, for example, in a photoalignment process of a liquid crystal alignment film.
Abstract translation: 本发明涉及一种偏振紫外光分解元件及其用途。 本申请可以提供在紫外光区域的宽范围内显示出优异的分离效率并且具有优异的耐久性的偏振紫外光分离元件。 该元件可以用于例如液晶取向膜的光取向处理。
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公开(公告)号：US20240329406A1
公开(公告)日：2024-10-03
申请号：US18698458
申请日：2022-09-30
Applicant: LG Chem, Ltd.
Inventor： Bu Gon Shin , Jae Jin Kim , Hye Won Hwang , Joon Young Lee
CPC classification number: G02B27/0172 , G02B27/0037 , G02B2027/011
Abstract: The present disclosure provides a display apparatus. The display apparatus includes a light source; a compensating diffraction optical element which reflects a light incident from the light source; and an off-axis reflection diffraction optical element which reflects a light reflected from the compensating diffraction optical element to the outside, wherein the compensating diffraction optical element reflects the light incident from the light source toward the off-axis reflection diffraction optical element while adjusting the reflection angle of the light incident from the light source so as to compensate for the reflection angle distortion of the light reflected from the off-axis reflection diffraction optical element.
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公开(公告)号：US20240126074A1
公开(公告)日：2024-04-18
申请号：US18277299
申请日：2022-09-30
Applicant: LG Chem, Ltd.
Inventor： Jae Jin Kim , Bo Ra Jung , Hye Won Hwang , Yeon Jae Yoo , Joon Young Lee , Bu Gon Shin , Min Soo Song
CPC classification number: G02B27/0037 , G02B27/4205
Abstract: The present disclosure provides a waveguide display apparatus. The waveguide waveguide display apparatus of the present disclosure is a waveguide display apparatus for correcting curved surface reflection distortion, the waveguide display apparatus including a waveguide for guiding light inputted from the outside; a first diffractive optical element disposed at the waveguide, and diffracting the light inputted from the outside to the inside of the waveguide; and a second diffractive optical element disposed at the waveguide, and diffracting the light guided by the waveguide to output a plurality of diffracted lights in a direction of a curved surface reflector located outside, wherein the second diffractive optical element has a structure of a diffraction grating corresponding to a curvature of the curved surface reflector such that the diffracted lights are reflected at different locations of the curved surface reflector in directions parallel to each other.
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公开(公告)号：US11768461B2
公开(公告)日：2023-09-26
申请号：US17254706
申请日：2019-09-10
Applicant: LG CHEM, LTD.
Inventor： Dae Han Seo , Jae Jin Kim , Min Soo Song , Bu Gon Shin
IPC: G03H1/04
CPC classification number: G03H1/0402 , G03H2001/0415 , G03H2001/0439 , G03H2222/34
Abstract: A method of manufacturing a holographic optical element, including: irradiating a first surface of a photosensitive substrate with a first layer, and irradiating a second surface of the photosensitive substrate with a second laser. The light emitted by the first laser is spread in an irradiation direction and the light emitted by the second laser is collected in the irradiation direction to form a plurality of groups and a plurality of overlapping angles formed by a progress direction of the light emitted by the first laser and the progress direction of the light emitted by the second laser at a predetermined location of a photosensitive area, and each of the plurality of the overlapping angles are different from each other. A display device including the holographic optical element measured using this method.
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Patent Agency Ranking
公开(公告)号：US20220221719A1
公开(公告)日：2022-07-14
申请号：US17607196
申请日：2020-10-06
Applicant: LG Chem, Ltd.
Inventor： Eun Ho Kho , Jae Jin Kim , Bu Gon Shin , Dae Han Seo , Min Soo Song
Abstract: Disclosed is a holographic waveguide including a light guide unit configured to guide lights; a first holographic optical element disposed on one surface or the other surface of the light guide unit and configured to diffract an input light; a second holographic optical element disposed on any one of the one surface and the other surface, and configured to receive a light diffracted by the first holographic optical element and to direct a part of the received light to the other one of the one surface and the other surface; a third holographic optical element disposed on a surface, and configured to receive diffracted lights by the second holographic optical element and to guide the lights; and a fourth holographic optical element configured to receive a diffracted light by the third holographic optical element, and to allow the light to be output from the light guide unit.
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公开(公告)号：US20220214549A1
公开(公告)日：2022-07-07
申请号：US17607663
申请日：2020-09-23
Applicant: LG Chem, Ltd.
Inventor： Jae Jin Kim , Byung Mook Kim , Dae Han Seo , Min Soo Song , Bu Gon Shin
Abstract: An embodiment according to an aspect of the present disclosure provides a device for manufacturing a display lens, a method for manufacturing a display lens using the device, and a head-mounted display device including the display lens manufactured thereby. The device for manufacturing a display lens including a holographic optical element formed by recording a hologram on a photosensitive substrate, in which a substrate is coated with a photosensitive material, through irradiation of laser beams includes: a first laser light incidence unit configured to cause first laser light, converging along an irradiation direction, to be incident on one surface of the photosensitive substrate; and a second laser light incidence unit configured to cause second laser light, diverging at a plurality of points along an irradiation direction, to be incident on the other surface of the photosensitive substrate.
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公开(公告)号：US20210182524A1
公开(公告)日：2021-06-17
申请号：US16760884
申请日：2018-10-11
Applicant: LG CHEM, LTD.
Inventor： Min Soo Song , Jae Jin Kim , Ji Young Hwang , Dae Han Seo , Se Woo Yang , Sang Choll Han , Tae Hee Kim
IPC: G06K9/00
Abstract: The present application relates to a sheet comprising, in a single layer, a first light control part capable of providing light always totally reflected only in a specific interlayer laminate structure among sheet constructions; and a second light control part capable of providing light whose total reflection is determined according to a fingerprint pattern in contact with the surface layer of the sheet by changing a part of the light provided from the first light control part and totally reflected in the specific interlayer laminate structure at a predetermined angle and emitting it to reach the surface layer of the sheet without being totally reflected in the specific interlayer laminate structure, and a device thereof. The sheet has excellent user identification or authentication capability through a fingerprint and can be applied to a large area display device to recognize a plurality of fingerprint patterns without being influenced by each other.
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公开(公告)号：US10344385B2
公开(公告)日：2019-07-09
申请号：US14910966
申请日：2014-08-07
Applicant: LG CHEM, LTD.
Inventor： Jae Hyun Kim , Shin Hee Jun , Jae Jin Kim , Chee-Sung Park , Eun Kyu Seong , Su Jeong Lee , Cheol-Hee Park , Han Nah Jeong , Sang Yun Jung
IPC: C23C18/22 , C23C18/30 , C23C18/31 , C23C18/16 , C23C18/32 , C23C18/38 , C09D5/24 , C25D5/02 , C25D5/56 , C23C18/20 , H05K1/02 , H05K1/09 , H05K3/02 , H05K3/18
Abstract: Provided are a method for forming conductive pattern by direct radiation of an electromagnetic wave capable of forming fine conductive patterns on various kinds of polymer resin products or resin layers by a simplified process, and appropriately implementing the polymer resin products having white color or various colors, and the like, even without containing specific inorganic additives in the polymer resin itself, and a resin structure having the conductive pattern formed therefrom.The method for forming the conductive pattern by direct radiation of the electromagnetic wave includes: forming a first region having a predetermined surface roughness by selectively radiating the electromagnetic wave on a polymer resin substrate containing titanium dioxide (TiO2); forming a conductive seed on the polymer resin substrate; forming a metal layer by plating the polymer resin substrate having the conductive seed formed thereon; and removing the conductive seed and the metal layer from a second region of the polymer resin substrate, wherein the second region has surface roughness smaller than that of the first region.
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公开(公告)号：US20170285459A1
公开(公告)日：2017-10-05
申请号：US15476267
申请日：2017-03-31
Applicant: LG CHEM, LTD.
Inventor： Dae Han SEO , Dong Chang Choi , Kwang Han Park , Sang Choll Han , Jae Jin Kim , Eun Joo Choi , Min Soo Song
CPC classification number: G03F1/38 , G03F1/50 , G03F1/58 , G03F7/0007 , G03F7/038 , G03F7/16 , G03F7/20
Abstract: The present invention relates to a photomask and a method for manufacturing a column spacer for a color filter using the same, and according to one aspect of the present invention, a photomask is provided, which comprises a central region having a first transmittance, a first perimeter region surrounding the central region and having a second transmittance lower than the first transmittance, and a second perimeter region surrounding the first perimeter region and having the first transmittance.
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