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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：US11057611B2
公开(公告)日：2021-07-06
申请号：US16934269
申请日：2020-07-21
发明人： Beomshik Kim , Rangkyun Mok , Jiwon Lee , Youngsang Ha , SuJung Huh
IPC分类号： H04N13/351 , H04N13/167 , H04N13/324 , H04N13/305
摘要： A display panel includes a plurality of pixels including a first type pixel, a second type pixel, and a third type pixel, and a lens array disposed on a first surface of the display panel and having an inclination angle. The first type pixel and the second type pixel are disposed adjacent to each other in a second direction. The third type pixel is disposed adjacent to the first type pixel and the second type pixel in a first direction. A pitch of the third type pixel in the second direction is less than or equal to a sum of a pitch of the first type pixel in the second direction and a pitch of the second type pixel in the second direction.
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公开(公告)号：US20180154569A1
公开(公告)日：2018-06-07
申请号：US15830257
申请日：2017-12-04
发明人： Juhwa Ha , Jiwon Lee , Sangho Hwang
摘要： An extrusion molding apparatus for a light guide plate of a display device includes: a first surface of a first body and a second surface of a second body facing each other, the first body including a first side opposite to a second side thereof in a first direction, and a gap between the first and second surfaces, from which a light guide plate material is discharged along a second direction crossing the first direction. In the second direction, each of the first and second surfaces includes, in order: a first land portion; a manifold portion at a height different from the height of a first land portion; and a discharge portion from which the light guide plate material is discharged from the extrusion molding apparatus. Along the first direction, the gap at the discharge portion increases, and a width of the manifold portion in the second direction increases.
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公开(公告)号：US09989804B2
公开(公告)日：2018-06-05
申请号：US15040332
申请日：2016-02-10
发明人： Jiwon Lee , Sangwon Lee
IPC分类号： G09F13/08 , G02F1/1335
CPC分类号： G02F1/133609 , G02F1/133603 , G02F1/133605 , G02F1/133608
摘要： A display device includes a display panel curved in a first direction, a light source comprising driving circuit boards and light emitting elements disposed on the driving circuit boards, a reflective sheet disposed on the driving circuit boards and including a first edge area, a second edge area spaced apart from the first edge area in the first direction, and a center area disposed between the first and second edge areas, where holes are defined in the center area to expose the light emitting elements, a cover member including a bottom portion on which the driving circuit boards are disposed and sidewalls bent from the bottom portion, a first correction tape disposed on the first edge area, and a second correction tape disposed on the second edge area.
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公开(公告)号：US09798186B2
公开(公告)日：2017-10-24
申请号：US14690186
申请日：2015-04-17
发明人： Jiwon Lee , Sangwon Lee , Young-Min Park
IPC分类号： G02F1/1335 , G09G3/34 , H05B33/08
CPC分类号： G02F1/133603 , G02F1/133609 , G02F2001/133612 , G02F2001/133613 , G09G3/3413 , G09G3/342 , G09G2320/0233 , G09G2320/0242 , H05B33/0827
摘要： A backlight unit according to an embodiment of the inventive concept includes a driving substrate and a plurality of first clusters and a plurality of second clusters arranged in rows and columns on the driving substrate, wherein the first clusters and the second clusters are alternately arranged in each row on the driving substrate, wherein at least one of the first clusters and at least one of the second clusters are repeatedly disposed in each column on the driving substrate, wherein each of the first clusters and each of the second clusters includes a plurality of light emitting diodes (LEDs), the first and second clusters having structures inverted to each other, wherein each of LEDs that are most adjacent to a row directional edge of the driving substrate, among the LEDs of the first and second clusters, is connected in parallel to a resistor.
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公开(公告)号：US11846814B2
公开(公告)日：2023-12-19
申请号：US17829523
申请日：2022-06-01
发明人： Jiwon Lee , Youngchan Kim , Byungchoon Yang , Sang-Ho Kim , Cheonmyeong Lee
IPC分类号： G02B6/42 , G02F1/1334 , F21V8/00
CPC分类号： G02B6/4204 , G02B6/0023 , G02F1/13342
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：US11747602B2
公开(公告)日：2023-09-05
申请号：US16997400
申请日：2020-08-19
发明人： Jiwon Lee , Youngchan Kim , Byungchoon Yang , Jaeho You , Cheonmyeong Lee
CPC分类号： G02B19/0061 , G02B6/003 , G02B6/005 , G02B19/0009 , G03H1/2286 , G03H1/2294 , G03H2001/2234 , G03H2222/12 , G03H2223/16 , G03H2225/22 , G03H2250/38
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：US11515509B2
公开(公告)日：2022-11-29
申请号：US16802540
申请日：2020-02-26
发明人： Soomin Baek , Jaejoong Kwon , Jiwon Lee , SuJung Huh
摘要： A virtual image display device including a display panel including a plurality of pixels and configured to display an image, a window disposed on the display panel, and a multi-viewpoint layer provided between the display panel and the window, and including a plurality of lenses.
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19.发明授权公开(公告)号：US11385519B2
公开(公告)日：2022-07-12
申请号：US16706360
申请日：2019-12-06
发明人： SuJung Huh , Jaejoong Kwon , Soomin Baek , Jiwon Lee
IPC分类号： G02F1/29
摘要： A display device includes: a display panel having a central part and a peripheral part surrounding the central part, the display panel comprising a plurality of pixels; and a lens array on the display panel, wherein: the lens array comprises a first lens on the central part and a second lens on the peripheral part; a first focal length of the first lens is smaller than a second focal length of the second lens; and each of the first lens and the second lens overlaps at least two pixels among the plurality of pixels.
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公开(公告)号：US11017704B1
公开(公告)日：2021-05-25
申请号：US16933040
申请日：2020-07-20
发明人： Youngsang Ha , Rangkyun Mok , Jiwon Lee
IPC分类号： G09G3/00
摘要： A display device includes a display panel which displays an image according to an image display mode including a first display mode and a second display mode and includes a surface on which the image is displayed, a rollable lens including a first lens array and a second lens array spaced apart from the first lens array, and a roller disposed inside the rollable lens. Here, the roller rotates the rollable lens so that the first lens array is disposed on a surface of the display panel in the first display mode, and the roller rotates the rollable lens so that the second lens array is disposed on the surface of the display panel in the second display mode.
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