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201.
公开(公告)号:US20210294115A1
公开(公告)日:2021-09-23
申请号:US17060419
申请日:2020-10-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Kanghee Won , Young Kim , Jungkwuen An , Hongseok Lee
Abstract: Provided is a beam deflector including a first sub deflector configured to deflect light of a first wavelength band in a first direction and a second direction that intersects the first direction, and convert a polarization direction of the light of the first wavelength band, and a second sub deflector configured to deflect light of a second wavelength band, that is different from the first wavelength band in the first direction and the second direction, and convert a polarization direction of the light of the second wavelength band, wherein the first sub deflector and the second sub deflector are sequentially provided such that the light of the first wavelength band and the light of the second wavelength band sequentially pass through the first sub deflector and the second sub deflector.
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公开(公告)号:US20210263318A1
公开(公告)日:2021-08-26
申请号:US17039000
申请日:2020-09-30
Inventor: Changkun Lee , Seokil Moon , Byoungho Lee , Geeyoung Sung , Hongseok Lee
Abstract: An optical apparatus and a near-eye display apparatus including the same are provided. The optical apparatus includes a display panel configured to form an image, a first polarization rotator configured to electrically control a light emitted from the display panel to have a first polarization state, a first ¼ wave plate configured to convert the first polarization state of a light transmitted from the first polarization rotator to a second polarization state, and an optical element group configured to display a first image having a first viewing angle and a second image having a second viewing angle that is greater than the first viewing angle based on the second polarization state of a light transmitted from the first ¼ wave plate.
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公开(公告)号:US10996627B2
公开(公告)日:2021-05-04
申请号:US16139969
申请日:2018-09-24
Inventor: Yongkyu Kim , Kichul Kim , Hojung Kim , Hyunsik Park , Hongseok Lee , Hyunwook Ji
Abstract: With regard to image data processing, a method of obtaining a focus term by using periodicity of the focus term is provided. The focus term may be used in a plurality of operation processes for processing image data.
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公开(公告)号:US20210055546A1
公开(公告)日:2021-02-25
申请号:US16835763
申请日:2020-03-31
Inventor: Bongsu SHIN , Jesung Koh , Dongjin Kim , Geeyoung Sung , Hongseok Lee
Abstract: An image display device includes a display device configured to modulate light to form an image, a light transmitting unit that transmits the image formed by the display device to eyes of a viewer and includes a focusing member, a driving unit that applies a driving force to a central position of the display device in a direction to change a distance between the display device and the light transmitting unit in the direction, a processor configured to control the display device, a connector disposed between one end of the display device and the processor, the connector connecting the display device to the processor, and a tilt prevention unit that applies an elastic force in the direction to the one end of the display device and to another end of the display device opposite to the one end.
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公开(公告)号:US20210048677A1
公开(公告)日:2021-02-18
申请号:US17089038
申请日:2020-11-04
Inventor: Geeyoung Sung , Hongseok Lee , Byoungho Lee , Changkun Lee , Seokil Moon , Jongyoung Hong
Abstract: A see-through type display apparatus includes a see-through type optical system configured to transmit a first image via a first-path light, which is light traveling on a first path, to an ocular organ of a user, and a second image via a second-path light, which is light traveling on a second path, to the ocular organ of the user; and an incident light-dependent lens unit provided between the see-through type optical system and the ocular organ of the user and having different refractive powers according to characteristics of incident light, where the incident light-dependent lens unit has a positive first refractive power with respect to the first-path light and has a second refractive power different from the first refractive power with respect to the second-path light.
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公开(公告)号:US10915989B2
公开(公告)日:2021-02-09
申请号:US16032830
申请日:2018-07-11
Inventor: Hojung Kim , Kichul Kim , Yongkyu Kim , Hongseok Lee
Abstract: A method and apparatus for processing image data are provided. An image data processing apparatus includes: a receiver configured to receive image data that represents a current frame; and a processor configured to perform an inverse fast Fourier Transform (IFFT) computation with respect to a first region of the current frame, and to obtain an IFFT computation result with respect to a second region of the current frame by using a result of the IFFT computation with respect to the first region.
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公开(公告)号:US10908424B2
公开(公告)日:2021-02-02
申请号:US16130613
申请日:2018-09-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Changkun Lee , Wontaek Seo , Geeyoung Sung , Hongseok Lee
Abstract: A see-through type display apparatus includes an image forming unit; a relay optical system configured to transmit an image provided from the image forming unit and to form a primary imaging image; and an optical combiner configured to reimage the primary imaging image transmitted from the relay optical system and to form a multi-depth plane. The relay optical system includes a lens; a polarizer arranged at an angle with respect to an optical axis and configured to reflect light of light of a first polarization and transmit light of second polarization therethrough; a condensing mirror member configured to reflect and condense light incident from the polarizer; and a polarization converter configured to convert a polarization of light transmitted between the polarizer and the condensing mirror member.
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公开(公告)号:US10901367B2
公开(公告)日:2021-01-26
申请号:US15819656
申请日:2017-11-21
Inventor: Yongkyu Kim , Kichul Kim , Hojung Kim , Hongseok Lee
Abstract: A method of obtaining a focus term by using a periodicity of the focus term is provided. The focus term may be used in a plurality of operation processes for processing image data.
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公开(公告)号:US10761256B2
公开(公告)日:2020-09-01
申请号:US16374318
申请日:2019-04-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: German B. Dubinin , Sergey E. Dubynin , Aleksander V. Morozov , Andrey N. Putilin , Sergey S. Kopenkin , Yuriy P. Borodin , Jungkwuen An , Chilsung Choi , Hongseok Lee , Hoon Song , Sunil Kim
IPC: F21V8/00 , G02F1/13357 , G09G3/22 , G02B5/18 , G02B5/02
Abstract: Provided is a backlight unit including a light source emitting coherent light, a light guide plate propagating the light emitted by the light source, an input grating inputting the light from the light source into the light guide plate, an output grating provided on one surface of the light guide plate and diffracting light incident from inside the light guide plate and outputting the light, in a direction toward the outside of the light guide plate, a first recuperation element provided on one surface of the light guide plate and including a first recycle grating, and a second recuperation element provided opposite to the first recuperation element and directing, to the first recuperation element, incident light that is propagating inside the light guide plate.
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公开(公告)号:US10748249B2
公开(公告)日:2020-08-18
申请号:US16018323
申请日:2018-06-26
Inventor: Yongkyu Kim , Kichul Kim , Hojung Kim , Hongseok Lee
Abstract: A method and apparatus for converting first image data corresponding to a first depth and second image data corresponding to a second depth may be used for displaying a 3D image represented by the first image data and the second image data and performing FFT on the converted first image data and the converted second image data.
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