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公开(公告)号：US20210111378A1
公开(公告)日：2021-04-15
申请号：US16937737
申请日：2020-07-24
发明人： Cheonmyeong LEE , YOUNGCHAN KIM , BYUNGCHOON YANG , JAEHO YOU , Jiwon LEE , Joo Woan CHO
摘要： An electronic device includes a display panel, a first optical part, and a second optical part including a diffraction optical element having a diffraction grating. The display panel include a first display area for displaying a first image having a first color, a second display area disposed adjacent to the first display area to display a second image having a second color different from the first color, and a third display area disposed adjacent to the second display area to display a third image having a third color different from the first color and the second color.
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公开(公告)号：US20210223524A1
公开(公告)日：2021-07-22
申请号：US16997400
申请日：2020-08-19
发明人： Jiwon Lee , Youngchan KIM , Byungchoon YANG , Jaeho YOU , Cheonmyeong LEE
摘要： A holographic display apparatus includes a light source disposed on a printed circuit board, a display panel diffracting light transferred from the light source, and an optical system disposed between the light source and the display panel. The optical system converts the light incident from the light source into a surface light source.
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公开(公告)号：US20220291460A1
公开(公告)日：2022-09-15
申请号：US17829523
申请日：2022-06-01
发明人： Jiwon LEE , YOUNGCHAN KIM , BYUNGCHOON YANG , Sang-Ho KIM , Cheonmyeong LEE
摘要： A hologram display device includes a light source unit, a light guide plate, a spatial light modulator, a sensing unit, and a light source driving unit. The light source unit includes a plurality of light sources and emits light when at least one of the plurality of light sources is turned on. The light guide plate converts the light emitted thereto from the light source unit to a planar light beam. The spatial light modulator spatially modulates the planar light beam to produce a hologram image. The sensing unit senses a position of a user watching the hologram image, and the light source driving unit turns on the at least one of the plurality of light sources, based on information on the position of the user obtained by the sensing unit.
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公开(公告)号：US20210157069A1
公开(公告)日：2021-05-27
申请号：US16987630
申请日：2020-08-07
发明人： Jiwon LEE , YOUNGCHAN KIM , BYUNGCHOON YANG , Sang-Ho KIM , Cheonmyeong LEE
摘要： A hologram display device includes a light source unit, a light guide plate, a spatial light modulator, a sensing unit, and a light source driving unit. The light source unit includes a plurality of light sources and emits light when at least one of the plurality of light sources is turned on. The light guide plate converts the light emitted thereto from the light source unit to a planar light beam. The spatial light modulator spatially modulates the planar light beam to produce a hologram image. The sensing unit senses a position of a user watching the hologram image, and the light source driving unit turns on the at least one of the plurality of light sources, based on information on the position of the user obtained by the sensing unit.
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