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公开(公告)号：US11957043B2
公开(公告)日：2024-04-09
申请号：US17098455
申请日：2020-11-16
发明人： Jinsook Bang , Donghoon Kim , Sanghoon Yim , Jinyoung Choi , Eunjeong Hong , Kwanhee Lee
IPC分类号： H10K85/30 , C09K11/06 , H10K50/11 , H10K50/13 , H10K50/844 , H10K85/60 , H10K101/10
CPC分类号： H10K85/342 , C09K11/06 , H10K85/623 , C09K2211/1029 , C09K2211/1044 , C09K2211/185 , H10K50/11 , H10K50/13 , H10K50/8445 , H10K2101/10
摘要： A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer disposed between the first electrode and the second electrode and including an emission layer patterned into a red emission layer and a green emission layer for a corresponding sub-pixel, wherein the red emission layer includes a red dopant having a horizontal dipole moment, and the green emission layer comprises a green dopant having a horizontal dipole moment, and the horizontal dipole moment of the green dopant is greater than the horizontal dipole moment of the red dopant.
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公开(公告)号：US10761257B2
公开(公告)日：2020-09-01
申请号：US15493536
申请日：2017-04-21
发明人： Kang-woo Lee , Donghoon Kim , Kyung-min Kim , Seunghwan Chung
IPC分类号： F21V8/00 , G02B6/00 , G02F1/13357
摘要： A display device includes a backlight and a display panel on the backlight. The backlight includes a light source to provide a first light, and an optical wavelength converter to receive the first light and emits a second light. The optical wavelength converter includes a light emitting part having a plurality of excitation light emitting bodies to be excited by receiving the first light, and thereby emit the second light, and a light absorbing part including a plurality of absorbers provided on the light emitting part to receive the second light and absorb a portion of the second light having a wavelength of about 550 nm to about 650 nm.
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公开(公告)号：US10558072B2
公开(公告)日：2020-02-11
申请号：US15365013
申请日：2016-11-30
发明人： Youra Kim , Donghoon Kim , Young-min Park
IPC分类号： G02F1/1335 , G02F1/13357
摘要： A display apparatus includes a display panel, a backlight unit which provides a light to the display panel, and a light control member disposed between the display panel and the backlight unit. The light control member includes a plurality of first barrier wall members extending in a first direction and arranged in a second direction crossing the first direction.
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公开(公告)号：US10078170B2
公开(公告)日：2018-09-18
申请号：US15056249
申请日：2016-02-29
发明人： Donghoon Kim , Myeong-ju Shin , Junwoo You , Seunghwan Chung
CPC分类号： G02B6/005 , G02B5/23 , G02B6/0051
摘要： A light conversion member includes a base substrate, a first light conversion layer disposed on the base substrate and including a plurality of first quantum dots that converts first light into light with a first color, a second light conversion layer disposed between the base substrate and the first light conversion layer and including a plurality of second quantum dots that converts the first light into light with a second color. Each of the first quantum dots includes a first core that converts the first light into light with the first color; a first shell surrounding the first core and including an organic material; and a second shell surrounding the first shell and including an inorganic material.
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公开(公告)号：US09964686B2
公开(公告)日：2018-05-08
申请号：US15398037
申请日：2017-01-04
发明人： Youra Kim , Donghoon Kim , Junwoo You , Hyun-hwa Song
IPC分类号： G02F1/1335 , F21V8/00 , G02F1/1343 , G02F1/1362 , G02F1/1368
CPC分类号： G02B6/0053 , G02F1/133615 , G02F1/133617 , G02F1/133621 , G02F1/134309 , G02F1/136213 , G02F1/136286 , G02F1/1368 , G02F2001/133607 , G02F2001/133614 , G02F2201/121 , G02F2201/123 , G02F2202/36 , G02F2203/05
摘要： A display apparatus includes a plurality of prism patterns disposed between a display panel and a light guide plate and having a shape of an inverted triangle, each of the plurality of prism patterns including a first pattern including a first side having a shape of an inverted triangle, which faces the display panel, a second side connecting one end of the first side to a vertex of the inverted triangle disposed under the first side, and a third side connecting the other end of the inverted triangle to the vertex and a second pattern having a refractive index less than that of the first pattern and disposed in the first groove that is defined in the second side to extend in a direction crossing the second side.
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公开(公告)号：US20210351365A1
公开(公告)日：2021-11-11
申请号：US17098455
申请日：2020-11-16
发明人： Jinsook Bang , Donghoon Kim , Sanghoon Yim , Jinyoung Choi , Eunjeong Hong , Kwanhee Lee
摘要： A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer disposed between the first electrode and the second electrode and including an emission layer patterned into a red emission layer and a green emission layer for a corresponding sub-pixel, wherein the red emission layer includes a red dopant having a horizontal dipole moment, and the green emission layer comprises a green dopant having a horizontal dipole moment, and the horizontal dipole moment of the green dopant is greater than the horizontal dipole moment of the red dopant.
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公开(公告)号：US11107865B2
公开(公告)日：2021-08-31
申请号：US16662630
申请日：2019-10-24
发明人： Jinsook Bang , Sanghoon Yim , Donghoon Kim
IPC分类号： H01L27/32
摘要： An organic light emitting display device includes a first substrate, a second substrate opposite from the first substrate, a plurality of organic light emitting elements on the first substrate, and a color filter on the organic light emitting elements, wherein a transmission wavelength band of the color filter has an upper limit value for transmitting a light wavelength corresponding to a first intensity of a light emitted from the organic light emitting elements at a viewing angle of about 0°, and has a lower limit value for transmitting a light wavelength corresponding to a second intensity that is less than the first intensity.
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公开(公告)号：US10553651B2
公开(公告)日：2020-02-04
申请号：US16016145
申请日：2018-06-22
发明人： Sanghoon Yim , Donghoon Kim , Samil Kho , Mikyung Kim , Eunkyoung Kim , Seunggak Yang , Kwanhee Lee
摘要： An organic light-emitting display apparatus includes a first sub-pixel, a second sub-pixel, and a third sub-pixel configured to emit different colors of light. The organic light-emitting display apparatus includes: a substrate; first through third pixel electrodes; a first organic emission layer configured to emit light having a first wavelength; a second organic emission layer configured to emit light having a second wavelength; a third organic emission layer configured to emit light having a third wavelength; an opposite electrode; a capping layer over the opposite electrode and having a refractive index with respect to the first wavelength that is higher than a refractive index with respect to the second wavelength by at least 7%; and a thin-film encapsulation layer over the capping layer.
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公开(公告)号：US09915767B2
公开(公告)日：2018-03-13
申请号：US15184210
申请日：2016-06-16
发明人： Junwoo You , Donghoon Kim
IPC分类号： F21V9/14 , G02B5/30 , F21V8/00 , G02F1/1335
CPC分类号： G02B5/3041 , G02B6/0055 , G02B6/0056 , G02B6/0065 , G02B6/0083 , G02F1/133528 , G02F2201/121 , G02F2201/123
摘要： A display device includes a display panel which displays an image with light, a backlight unit which generates and provides the light to the display panel, and a polarizer which is coupled to the display panel and includes a polarizing film to polarize the light. The polarizing film includes a base film defining a first optical surface thereof from which first grooves are defined recessed and a second optical surface thereof which opposes the first optical surface and from which second grooves are defined recessed; a polarizing layer including the first grooves recessed from the first optical surface; and a light blocking layer including the second grooves recessed from the second optical surface.
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公开(公告)号：US09891367B2
公开(公告)日：2018-02-13
申请号：US14933212
申请日：2015-11-05
发明人： Dawoon Kim , Donghoon Kim , Seunghwan Chung
IPC分类号： F21V8/00
CPC分类号： G02B6/0038 , G02B6/0016 , G02B6/0036 , G02B6/0058 , G02B6/0068 , G02B6/0073
摘要： A backlight unit includes: a lower case including a bottom portion and a side portion on an edge of the bottom portion, a light guide plate accommodated in the lower case, and a light source module including a circuit board between the light guide plate and the side portion of the lower case and a light source on the circuit board, where the light guide plate includes a first light collecting pattern on a lower surface of the light guide plate, and a second light collecting pattern on the lower surface of the light guide plate and between the light source module and the first light collecting pattern.
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