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公开(公告)号：US20160020202A1
公开(公告)日：2016-01-21
申请号：US14804830
申请日：2015-07-21
Applicant: SAMSUNG ELECTRONICS CO., LTD. , SNU R&DB FOUNDATION
Inventor： Yeonsang PARK , Byoungho LEE , Sungwoo HWANG , Younggeun ROH , Changwon LEE
IPC: H01L27/02 , H01L23/373 , H01L23/367
CPC classification number: H01L27/0248 , H01L23/373 , H01L23/3733 , H01L23/3738 , H01L2924/0002 , H01L2924/00
Abstract: An apparatus configured to control a heat flow is provided. The apparatus may include a semiconductor device region formed in a matrix; a heat rectifier region formed adjacent to the semiconductor device region; and a heat flow blocker formed in at least one region contacting the semiconductor device region and the heat rectifier region.
Abstract translation: 提供了一种配置成控制热流的装置。 该装置可以包括形成在矩阵中的半导体器件区域; 与所述半导体器件区域相邻形成的热交换器区域; 以及形成在与半导体器件区域和热整流器区域接触的至少一个区域中的热流阻塞器。
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2.发明公开公开(公告)号：US20240288608A1
公开(公告)日：2024-08-29
申请号：US18654937
申请日：2024-05-03
Inventor： Jeonggeun YUN , Byoungho LEE , Chulsoo CHOI , Kyookeun LEE , Taewon CHOI
CPC classification number: G02B1/002 , G02B27/0172 , G02B2027/0132
Abstract: An atypical metasurface, includes: a 2-dimensional plane; and a plurality of atypical unit structures periodically arranged on the 2-dimensional plane, wherein each of the plurality of atypical unit structures has an atypical pattern that is not periodic.
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公开(公告)号：US20200264441A1
公开(公告)日：2020-08-20
申请号：US16683643
申请日：2019-11-14
Inventor： Changkun LEE , Seokil MOON , Byoungho LEE , Sunil KIM , Bongsu SHIN , Hongseok LEE
Abstract: Provided is a multi-image display apparatus including a light source configured to emit a first wavelength light, a second wavelength light, and a third wavelength light, a spatial light modulator configured to modulate the first wavelength light, the second wavelength light, and the third wavelength light to form a first image including a first color holographic image, a second color holographic image, and a third color holographic image, a polarization selective lens configured to focus the first image having only a first polarization component and transmit a second image having only a second polarization component without refraction, the second image being provided to the polarization selective lens along a different path from the first image, wherein chromatic aberration of the polarization selective lens is offset by adjusting a depth of the first color holographic image, the second color holographic image, and the third color holographic image.
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公开(公告)号：US20230400811A1
公开(公告)日：2023-12-14
申请号：US18116528
申请日：2023-03-02
Inventor： Seokil MOON , Dongheon YOO , Changkun LEE , Byoungho LEE , Minseok CHAE
CPC classification number: G03H1/32 , G03H1/2645 , G06T7/168 , G06T5/002 , G03H2226/02 , G03H2225/32 , G03H2001/2655 , G06T2207/20021 , G06T2200/24 , G06T2207/20048
Abstract: A hologram profile optimization method includes: setting a first hologram profile as a variable; and performing an optimization cycle a predetermined number of times, wherein the optimization cycle includes encoding the first hologram profile into a binary hologram profile by using an ApproxSign function; calculating a field value of a holographic image on a display surface for the binary hologram profile, considering high-order diffraction term noise of the holographic image by using a tiling function; calculating an intensity of the holographic image on the display surface; calculating a loss function value based on a difference between the intensity of the holographic image and an intensity of a target image; and updating the first hologram profile to a second hologram profile based on the loss function value.
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公开(公告)号：US20210191129A1
公开(公告)日：2021-06-24
申请号：US17131131
申请日：2020-12-22
Inventor： Changkun LEE , Byoungho LEE , Jinsoo JEONG , Seokil MOON , Geeyoung SUNG , Hongseok LEE
Abstract: A display apparatus including a volume grating-based combiner is disclosed. The display apparatus includes: an image providing device; and a combiner, wherein the combiner includes a plurality of volume gratings configured to diffract light containing an image, which is emitted from the image providing device, each volume grating has a first surface and a second surface facing each other, and each volume grating is further configured to diffract light incident on the first surface and transmit therethrough light incident on the second surface without diffraction.
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Patent Agency Ranking
公开(公告)号：US20220390749A1
公开(公告)日：2022-12-08
申请号：US17879469
申请日：2022-08-02
Inventor： Jeonggeun YUN , Byoungho LEE , Kiseung BANG , Chanhyung YOO , Kyookeun LEE , Minseok CHAE
Abstract: Provided is a waveguide-type display device including a waveguide, an input coupler provided on the waveguide and configured to transmit an image to travel into the waveguide, an output coupler provided on the waveguide and configured to output the image traveling in the waveguide to an outside of the waveguide, and a field-of-view (FOV) expander configured to output an image having an expanded FOV by deflecting and outputting the image output from the output coupler in a certain direction based on polarization characteristics of the image.
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7.发明公开公开(公告)号：US20240210008A1
公开(公告)日：2024-06-27
申请号：US18597336
申请日：2024-03-06
Inventor： Yeoreum YOON , Byoungho LEE , Hanjin CHO , Yongsung KIM , Taeeun KIM , Siwoo LEE , Jiyong JANG
IPC: F21V5/00 , F21V19/00 , G01B11/24 , F21Y115/10
CPC classification number: F21V5/00 , F21V19/003 , G01B11/24 , F21Y2115/10
Abstract: A method of designing an optical system including a dome light and coaxial light, includes: determining a distance between the dome light and the coaxial light based on a radius reduction according to a hole of the dome light; determining a size of the coaxial light based on an optical path of a light ray emitted from the coaxial light; and determining a structure of a printed circuit board (PCB) in the dome light based on an optical path through which the light ray emitted from the coaxial light is reflected by an object.
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公开(公告)号：US20230400683A1
公开(公告)日：2023-12-14
申请号：US18117122
申请日：2023-03-03
Inventor： Seokil MOON , Minseok CHAE , Changkun LEE , Dongheon YOO , Byoungho LEE
CPC classification number: G02B27/0081 , G02B5/32 , G03H1/2645 , G03B21/2066 , H04N9/3155 , H04N9/3173 , H04N9/312 , H04N9/3179 , G03H2260/12
Abstract: A retinal projection display device is provided. The retinal projection display device includes a light source configured to emit light, a spatial light modulator configured to generate diffracted light by diffracting the emitted light, a holographic optical element configured to reflect the diffracted light by duplicating the diffracted light into a plurality of complex wavefronts, and a field lens configured to focus the plurality of complex wavefronts to a plurality of respective focal points in an eye-box, wherein the plurality of complex wavefronts overlap each other.
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公开(公告)号：US20210146476A1
公开(公告)日：2021-05-20
申请号：US16906410
申请日：2020-06-19
Applicant: Samsung Electronics Co., Ltd.
Inventor： Youngchul KWON , Changhyun KIM , Byoungho LEE , Jangwoon SUNG , Junhyeok JANG , Chulsoo CHOI , Manhee HAN
IPC: B23K26/06 , B23K26/073
Abstract: A stealth dicing apparatus may include a laser light source, and a linearly focusing lens configured to linearly focus a beam output from the laser light source. The linearly focusing lens includes a horizontal surface, and an inclined surface forming an inclination angle with the horizontal surface. The inclination angle satisfies an expression 34.97R2−146.6R+162.5
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公开(公告)号：US20190079218A1
公开(公告)日：2019-03-14
申请号：US16122012
申请日：2018-09-05
Inventor： Young-yoon LEE , Jonghyun KIM , Byoungho LEE , Jong-Young HONG , Seokil MOON , Chanhyung YOO
CPC classification number: G02B5/0205 , G02B3/005 , G02B5/0215 , G02B5/3083 , G02B27/01 , G02B27/286
Abstract: A transparent panel is provided. The transparent panel includes a polarization plate, a transparent diffusion plate which is disposed on one side of the polarization plate and is configured to transmit light incident from a side of the polarization plate and to reflect and diffuse a light incident from an opposite side of the polarization plate, a ¼ wavelength plate which is disposed on one side of the transparent diffusion plate and is configured to convert a polarization direction of an incident light, and a lens part which is disposed on one side of the ¼ wavelength plate. The lens part includes a lens array comprising a birefringent material having different refractive indexes according to a polarization direction of an incident light, and a refractive index alignment member configured to transmit or refract the light according to a polarization direction of a light that penetrates the lens array.
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