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公开(公告)号：US10330861B2
公开(公告)日：2019-06-25
申请号：US15715341
申请日：2017-09-26
发明人： Nae-Won Jang , Young Chol Lee , Byoung-Jin Cho , Seung Hun Chae
摘要： Disclosed herein are a quantum dot unit having an improved structure for improving color reproducibility, a quantum dot sheet having the same, and a display device having the quantum dot unit or the quantum dot sheet. The display device includes a display panel configured to display an image, a light source provided to emit light to the display panel, a light guide plate provided to guide the light emitted from the light source to the display panel, and a quantum dot unit disposed between the light source and the light guide plate to change a wavelength of the light emitted from the light source and having ductility, wherein the quantum dot unit includes a glass fiber having a hollow portion and a quantum dot accommodated in the hollow portion.
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公开(公告)号：US10782463B2
公开(公告)日：2020-09-22
申请号：US16162943
申请日：2018-10-17
发明人： Nae-Won Jang , Byoung-Jin Cho , Seung Jun Jeong
IPC分类号： G02B5/30 , G02F1/1335 , G02B5/02 , G02F1/13357
摘要： A display panel and a display apparatus including the display panel are provided. The display apparatus includes: a display panel; and a backlight unit configured to supply light to the display panel, wherein the display panel includes: a liquid crystal layer; a first polarizing plate disposed between the backlight unit and the liquid crystal layer; and a second polarizing plate facing the first polarizing plate with the liquid crystal layer disposed therebetween, and containing a light absorbing agent for absorbing light of a specific wavelength band, wherein the first polarizing plate includes: a first polarizing layer including a plurality of refracting layers having different refractive indexes; and at least one second polarizing layer disposed on the first polarizing layer.
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公开(公告)号：US09939680B2
公开(公告)日：2018-04-10
申请号：US15171077
申请日：2016-06-02
发明人： Byoung-Jin Cho , Dae-Hee Lee , Yoon Ki Park , Ho Seok Lee , Nae-Won Jang , Han Mi Choi
IPC分类号： G02F1/1335 , G02B5/02
CPC分类号： G02F1/133606 , G02B5/021 , G02B5/0221 , G02B5/0257 , G02B5/0263 , G02B5/0278 , G02F1/133603 , G02F1/133605 , G02F1/133611 , G02F2001/133613
摘要： Provided is a display apparatus includes a display panel, a light source configured to emit light toward the display panel, a light diffusion plate disposed between the display panel and the light source such that light emitted from the light source is diffused and guided to the display panel, and at least one light diffusion layer provided on the light diffusion plate, having a light source corresponding portion corresponding to the light source, and including a plurality of light transmitting portions provided with a higher density at an edge portion of the light source corresponding portion than at a central portion of the light source corresponding portion.
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公开(公告)号：USRE48689E1
公开(公告)日：2021-08-17
申请号：US16901618
申请日：2020-06-15
发明人： Byoung-Jin Cho , Dae-hee Lee , Kye Hoon Lee , Nae-Won Jang
IPC分类号： F21V8/00 , G02F1/1335 , G02F1/13357 , G02F1/1333 , B82Y20/00
摘要： A display device includes a light source to emit light, a light guide plate on which the light emitted from the light source is incident and which irradiates light through a first and a second surface of the light guide plate, a quantum dot sheet on which the light irradiated through the first surface of the light guide plate is incident and which irradiates blue light, green light and red light, a reflective sheet for reflecting the irradiated light to the light guide plate, and a light-converting material at an edge portion of the light guide plate, the quantum dot sheet and the reflective sheet, for converting the light into a yellow light, green light or red light. The light incident on the quantum dot sheet includes the light emitted from the light source and the yellow light, the green light or the red light.
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公开(公告)号：US10444424B2
公开(公告)日：2019-10-15
申请号：US15875691
申请日：2018-01-19
发明人： Byoung-Jin Cho , Dae-hee Lee , Kye Hoon Lee , Nae-Won Jang
IPC分类号： F21V8/00 , G02F1/1335 , G02F1/1333 , B82Y20/00
摘要： A display device includes a light source to emit light, a light guide plate on which the light emitted from the light source is incident and which irradiates light through a first and a second surface of the light guide plate, a quantum dot sheet on which the light irradiated through the first surface of the light guide plate is incident and which irradiates blue light, green light and red light, a reflective sheet for reflecting the irradiated light to the light guide plate, and a light-converting material at an edge portion of the light guide plate, the quantum dot sheet and the reflective sheet, for converting the light into a yellow light, green light or red light. The light incident on the quantum dot sheet includes the light emitted from the light source and the yellow light, the green light or the red light.
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公开(公告)号：US20230146908A1
公开(公告)日：2023-05-11
申请号：US18150654
申请日：2023-01-05
发明人： Jong Pil JEON , Jong-hoi Kim , Kye Hoon Lee , Dae-hee Lee , Byoung-Jin Cho , Suk-Ju Choi
IPC分类号： G02F1/13357 , F21K9/64
CPC分类号： G02F1/133603 , F21K9/64 , G02F1/133606 , G02F1/133609 , H01L2224/16225 , F21Y2115/10
摘要： A white light emitting device, including a circuit board; a plurality of light sources mounted on the circuit board, each light source of the plurality of light sources configured to emit monochromatic light; a light converter spaced apart from the circuit board, the light converter configured to convert the monochromatic light emitted from the light sources to white light; and a compensator provided between the circuit board and the light converter, the compensator configured to convert the emitted monochromatic light to white light.
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公开(公告)号：US11112648B2
公开(公告)日：2021-09-07
申请号：US16723520
申请日：2019-12-20
发明人： Jong Pil Jeon , Jong-hoi Kim , Kye Hoon Lee , Dae-hee Lee , Byoung-Jin Cho , Suk-ju Choi
IPC分类号： G02F1/13357 , F21K9/64 , F21Y115/10 , G02F1/1335
摘要： A white light emitting device, including a circuit board; a plurality of light sources mounted on the circuit board, each light source of the plurality of light sources configured to emit monochromatic light; a light converter spaced apart from the circuit board, the light converter configured to convert the monochromatic light emitted from the light sources to white light; and a compensator provided between the circuit board and the light converter, the compensator configured to convert the emitted monochromatic light to white light.
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公开(公告)号：US09513427B2
公开(公告)日：2016-12-06
申请号：US14736686
申请日：2015-06-11
发明人： Byoung-Jin Cho , Dae-Hee Lee , Kye Hoon Lee , Nae-Won Jang
IPC分类号： G02B6/00 , F21V8/00 , G02F1/1335 , G02F1/1333 , B82Y20/00
CPC分类号： G02B6/0061 , B82Y20/00 , G02B6/0011 , G02B6/0023 , G02B6/0026 , G02B6/0031 , G02B6/0043 , G02B6/005 , G02B6/0053 , G02B6/0055 , G02B6/0088 , G02F1/133615 , G02F2001/133388 , G02F2001/133614 , Y10S977/774
摘要： A display device includes a display panel, a backlight unit outputting light to the display panel, and an optical member refracting or reflecting the light output from the backlight unit and providing the display panel with the light. The backlight unit includes a light source emitting the light, a light guide plate scattering the light emitted from the light source and irradiating the scattered light to a front surface of the backlight unit, a reflective sheet reflecting the light, which is irradiated to a rear surface of the light guide plate, to the light guide plate, a quantum dot sheet for converting the light, which is irradiated to the front surface of the light guide plate, into a white light, and a light-converting material provided on an edge portion of the reflective sheet to convert the light into the white light.
摘要翻译： 显示装置包括显示面板，向显示面板输出光的背光单元和折射或反射从背光单元输出的光并向显示面板提供光的光学构件。 背光单元包括发射光的光源，将从光源发射的光散射并将散射光照射到背光单元的前表面的导光板，反射照射到后面的光的反射片 导光板的表面，导光板，用于将照射到导光板的前表面的光转换成白光的量子点片，以及设置在导光板的边缘上的光转换材料 部分反射片将光转换成白光。
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公开(公告)号：US11237427B2
公开(公告)日：2022-02-01
申请号：US16760511
申请日：2018-10-05
发明人： Il Yong Jung , Young Chul Lee , Jong Bin Kim , Jong Pil Jeon , Byoung-Jin Cho , Jean Hur
IPC分类号： G02F1/13357 , C09D11/101 , C09D11/107 , F21V8/00
摘要： The disclosed embodiments relate to an ink composition for reflective sheet capable of preventing a luminance difference occurring at an upper or lower end of a display panel and display apparatus including the same and method of manufacturing the display apparatus.
The display apparatus of the disclosed embodiment comprises a display panel to display an image, a light source configured to supply light to the display panel, a light guide plate configured to guide light emitted from the light source, a reflective sheet movable between a first state close to the lower surface of the light guide plate and a second state farther away from the lower surface of the light guide plate than the first state, and a reflective pattern provided on the reflective sheet and configured to be disposed in contact with the light guide plate in the first state, wherein the reflective pattern on the reflective sheet is formed of an acrylate resin including a multi-functional acrylate monomer.-
公开(公告)号：US11237314B2
公开(公告)日：2022-02-01
申请号：US16994824
申请日：2020-08-17
发明人： Kilhong Lee , Youngchol Lee , Hyunho Lee , Taehee Jeon , Byoung-Jin Cho , Suk-Ju Choi
IPC分类号： G02F1/1335 , F21V8/00 , G02F1/13357
摘要： Provided is a display apparatus including: a liquid crystal panel configured to display an image; a light guide plate configured to guide light toward the liquid crystal panel; and a light source positioned adjacent to a side of the light guide plate, wherein the light guide plate includes a substrate having transparency, and a plurality of quantum dot capsules dispersed inside the substrate to change a color of light emitted from the light source.
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