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公开(公告)号：US11476447B2
公开(公告)日：2022-10-18
申请号：US16472605
申请日：2016-12-22
摘要： A foldable circular polarizing plate includes a polarizer and a foldable compensation film disposed on one surface of the polarizer, wherein in-plane retardations of the liquid crystal layer at 450 nm, 550 nm, and 650 nm wavelengths satisfy Relationship Equations 1 or 2, the compensation film is configured to absorb light in a wavelength region of less than or equal to 420 nm, and a reflection color in a CIE-Lab color coordinate system satisfies Δa*b*≤5.0 and a foldable organic light emitting diode display including the same. Re(450 nm)
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公开(公告)号：US11166351B2
公开(公告)日：2021-11-02
申请号：US16138120
申请日：2018-09-21
发明人： Sin-Yeob Lee , Dong-Woo Shin , Hyun-Seok Choi
IPC分类号： H05B6/64 , H01L21/263 , H01L21/324 , H01L21/67 , H01L25/00 , H01L25/10 , H05B6/80 , H01L23/00
摘要： In a method of manufacturing an electronic device, a solder paste is coated on a substrate pad of a substrate. An electronic product is disposed on the substrate such that a solder on an input/output pad of the electronic product makes contact with the solder paste. A first microwave is generated toward the solder paste during a reflow stage to heat the solder paste. A phase of the first microwave is changed during the reflow stage. Heating of the solder paste causes the solder to reflow, thereby forming a solder bump between the substrate pad and the input/output pad.
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公开(公告)号：US10303029B2
公开(公告)日：2019-05-28
申请号：US15925439
申请日：2018-03-19
发明人： Beom Seok Kim , Sangah Gam , Ju Hyun Kim , Hyun-Seok Choi
IPC分类号： G02F1/137 , H01L27/12 , G02F1/1335 , G02F1/1337 , G02F1/1362 , G02F1/1368
摘要： A liquid crystal display includes a lower substrate and an upper substrate facing each other, a liquid crystal layer disposed between the lower substrate and the upper substrate, a color conversion layer disposed on the liquid crystal layer, a first polarizing layer and a first phase difference layer disposed between the liquid crystal layer and the color conversion layer, and a second polarizing layer and a second phase difference layer disposed between a light source and the lower substrate, wherein the first phase difference layer has a refractive index satisfying Inequality 1 and the second phase difference layer has refractive indexes satisfying Inequality 2. nx1≥ny1≥nz1 [Inequality 1] nx2>nz2>ny2 [Inequality 2] In Inequalities 1 and 2, nx1, nx2, ny1, ny2, nz1, and nz2 are the same in the detailed description.
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公开(公告)号：US09835780B2
公开(公告)日：2017-12-05
申请号：US14751482
申请日：2015-06-26
发明人： Sang ah Gam , Hye Young Kong , Hyung Jun Kim , Hyun-Seok Choi , Myung Sup Jung
IPC分类号： G02F1/13363 , G02F1/1335 , G02B5/30 , B32B37/00
CPC分类号： G02B5/3016 , B32B37/025 , B32B2309/105 , B32B2457/202 , G02B5/3033 , G02F1/13363 , G02F2001/133541 , G02F2001/133637 , G02F2001/133638
摘要： An optical film includes a polarization film including a polymer resin and a dichroic dye, and a phase delay layer disposed on the polarization film and including a liquid crystal.
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公开(公告)号：US09812670B2
公开(公告)日：2017-11-07
申请号：US14751958
申请日：2015-06-26
发明人： Hyun-Seok Choi , Sangah Gam , Seong-Jun Yoon
CPC分类号： H01L51/5281 , G02B1/111 , G02B1/14 , G02B5/3033 , G02B5/305 , G02B5/3083 , G02F2001/133541 , H01L51/0035 , H01L51/0036 , H01L51/004 , H01L51/5012 , H01L51/5256
摘要： A polarization film includes a polarization layer including a polymer and a dichroic dye having a maximum absorption wavelength (λmax) at about 380 nm to about 780 nm, and a protective layer disposed on a surface of the polarization layer and having a cross-linking structure.
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公开(公告)号：US09720280B2
公开(公告)日：2017-08-01
申请号：US14209508
申请日：2014-03-13
发明人： Hyung Jun Kim , Sang ah Gam , Myung Sup Jung , Hyun-Seok Choi
IPC分类号： C09K19/00 , G02F1/13363 , G02B5/30
CPC分类号： G02F1/13363 , G02B5/3016 , G02B5/3083 , G02F2001/133633 , G02F2202/40 , Y10T428/10 , Y10T428/1005 , Y10T428/1036
摘要： A compensation film includes: a first retardation layer including a polymer; a second retardation layer including a liquid crystal having positive birefringence; and a compensation layer including a liquid crystal having a vertical alignment property, where an angle between slow axes of the first and second retardation layers is in a range of about 85 to about 95 degrees, an entire in-plane retardation (Re0) of the first retardation layer, the second retardation layer and the compensation layer for wavelengths of 450 nm, 550 nm and 650 nm satisfy the following inequation: Re0(450 nm)
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公开(公告)号：US10175534B2
公开(公告)日：2019-01-08
申请号：US14248052
申请日：2014-04-08
发明人： Hyung Jun Kim , Sang ah Gam , Myung Sup Jung , Hyun-Seok Choi
IPC分类号： G02F1/13363 , G02B5/30 , C09K19/02
摘要： A compensation film includes a first retardation layer including a polymer having negative birefringence, and a second retardation layer including a liquid crystal having positive birefringence, where the first retardation layer has an in-plane retardation (Re1) of 320 nm to 1050 nm for incident light having wavelength of 550 nm, the second retardation layer has an in-plane retardation (Re2) of 180 nm to 910 nm for the incident light, an entire in-plane retardation (Re0) of the first and second retardation layers for the incident light is a difference between the in-plane retardations of the first and second retardation layers, an angle between slow axes of the first and second retardation layers is 85 to 95 degrees, and the entire in-plane retardation (Re0) of the first and second retardation layers for the wavelength of 450 nm, 550 nm and 650 nm satisfies Re0 (450 nm)
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公开(公告)号：US10139534B2
公开(公告)日：2018-11-27
申请号：US15825860
申请日：2017-11-29
发明人： Sang ah Gam , Hye Young Kong , Hyung Jun Kim , Hyun-Seok Choi , Myung Sup Jung
IPC分类号： G02F1/13363 , G02F1/1335 , G02B5/30 , B32B37/00
摘要： An optical film includes a polarization film including a polymer resin and a dichroic dye, and a phase delay layer disposed on the polarization film and including a liquid crystal.
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