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1.发明公开公开(公告)号：US20240279542A1
公开(公告)日：2024-08-22
申请号：US18424088
申请日：2024-01-26
发明人： Sunyoung Kwon , Wanki Bae , Kyuri Kim , Seongbin Im , Keunchan Oh , Hyeokjin Lee
IPC分类号： C09K11/62 , B82Y20/00 , B82Y40/00 , H10K50/115
CPC分类号： C09K11/621 , H10K50/115 , B82Y20/00 , B82Y40/00
摘要： Embodiments provide a quantum dot, an optical member including the quantum dot, an electronic apparatus including the quantum dot, and a method of preparing the quantum dot. The quantum dot includes a core including indium (In) and A1, and a first shell covering the core, not including In, and including A1. A1 is a Group I element, an atomic ratio of A1 to In in the quantum dot is in a range of about 0.9 to about 2.4, and the quantum dot emits visible light other than blue light.
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公开(公告)号：US20230209962A1
公开(公告)日：2023-06-29
申请号：US18009558
申请日：2020-09-11
发明人： Jaemin Seong , Sunkyu Joo , Keunchan Oh , Inok Kim , Yousik Shin , Byungchul Kim , Jaecheol Park , Gakseok Lee
CPC分类号： H10K59/38 , H10K59/877 , H10K59/8792
摘要： A display apparatus including a first pixel, a second pixel, and a third pixel includes: a first color conversion layer located disposed on a substrate to correspond to an emission area of the first pixel and including first quantum dots; a second color conversion layer located to corresponding to an emission area of the second pixel and including second quantum dots; and a partition wall disposed between the first color conversion layer and the second color conversion layer and including partition wall-scattering particles and a first pigment.
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公开(公告)号：US11195885B2
公开(公告)日：2021-12-07
申请号：US16835870
申请日：2020-03-31
发明人： Gak Seok Lee , Byung-Chul Kim , Inok Kim , Jaemin Seong , Inseok Song , Keunchan Oh , Jieun Jang , Chang-Soon Jang , Sun-Kyu Joo
摘要： A display device includes: a first substrate; a second substrate on the first substrate; a pixel between the first substrate and the second substrate and including a pixel area and a non-pixel area around the pixel area; a color filter between the pixel and the second substrate and overlapping with the pixel area; and a plurality of protrusions between the second substrate and the color filter, and each of the protrusions has a width that decreases as a distance from the second substrate increases.
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公开(公告)号：US20200152704A1
公开(公告)日：2020-05-14
申请号：US16522526
申请日：2019-07-25
发明人： Chang-Soon Jang , Keunchan Oh , Sun-kyu Joo , Byungchul Kim , Inok Kim , lnseok Song , Gakseok Lee
摘要： A display device including a base layer including a thin film transistor, a pixel definition layer including an opening, first to third organic light emitting elements each including a first electrode, a second electrode, and a light emitting layer therebetween, an encapsulation member including a first inorganic layer covering the organic light emitting elements, a second inorganic layer disposed thereon, a first color conversion pattern disposed between the inorganic layers and overlapping the first organic light emitting element, and a second color conversion pattern disposed between the inorganic layers and overlapping the second organic light emitting element, and first and second color filter patterns having different colors from each other and overlapping the first and second color conversion patterns, respectively, in which colors of light emitted from the first and second color conversion patterns are substantially the same as colors of the first and second color filter patterns, respectively.
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公开(公告)号：US20160155390A1
公开(公告)日：2016-06-02
申请号：US14816738
申请日：2015-08-03
发明人： Jongho Son , Kyunghee Lee , Kangseob Jeong , Joonhyung Park , Keunchan Oh
IPC分类号： G09G3/34 , G02F1/1335 , F21V8/00
CPC分类号： G09G3/3413 , G02B6/0068 , G02B6/0073 , G02F1/133514 , G02F1/133603 , G02F1/133621 , G02F2001/133624 , G09G3/2003 , G09G2300/0452 , G09G2320/0238 , G09G2320/0242 , G09G2320/0666 , G09G2360/145
摘要： A liquid crystal display apparatus includes a backlight configured to emit red light, green light, and blue light for forming an image, a liquid crystal panel including a plurality of pixels through which light components supplied by the backlight respectively pass, configured to control transmittances of the plurality of pixels to form an image, and a backlight controller configured to control respective intensities of the red light, the green light, and the blue light emitted by the backlight. The backlight controller is configured to compensate for a black color coordinate value generated with respect to a predetermined color by controlling the backlight such that a second red light intensity and a second green light intensity are larger than a first red light intensity and a first green light intensity and a second blue light intensity are smaller than a first blue light intensity. A black color coordinate value may be made correspond to a white color coordinate value.
摘要翻译： 一种液晶显示装置，包括配置为发射红光的背光，绿光和用于形成图像的蓝光，液晶面板包括多个像素，通过该多个像素，由背光分配的光分量通过该像素配置成控制透射率 所述多个像素形成图像，以及背光控制器，被配置为控制由所述背光源发射的红光，绿光和蓝光的各自的强度。 背光控制器被配置为通过控制背光来补偿相对于预定颜色生成的黑色坐标值，使得第二红光强度和第二绿光强度大于第一红光强度和第一绿光 强度和第二蓝光强度小于第一蓝光强度。 黑色坐标值可以对应于白色坐标值。
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公开(公告)号：US20240324414A1
公开(公告)日：2024-09-26
申请号：US18520977
申请日：2023-11-28
发明人： Inok Kim , Chansu Kim , Keunchan Oh , Gakseok Lee , Sanghun Lee , Soyun Lee , Jieun Jang , Changsoon Jang
CPC分类号： H10K59/877 , H10K59/1201 , H10K59/35
摘要： A display device includes a first pixel, a third pixel, and a third pixel emitting light of different colors, light-emitting diodes corresponding to the first pixel, the second pixel, and the third pixel and emitting light of a same color, and a function layer disposed in a direction in which the light-emitting diodes emit light and including a first color conversion layer corresponding to a first emission area of the first pixel, a second color conversion layer corresponding to a second emission area of the second pixel, and a transmitting layer corresponding to a third emission area of the third pixel. The first color conversion layer includes first quantum dots, the second color conversion layer includes second quantum dots, and each of the first color conversion layer, the second color conversion layer, and the transmitting layer include a base resin in which a plurality of pores are defined.
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公开(公告)号：US12065603B2
公开(公告)日：2024-08-20
申请号：US17365887
申请日：2021-07-01
发明人： Sunyoung Kwon , Wan Ki Bae , Donghyo Hahm , Keunchan Oh , Hyeokjin Lee , Seong-Pil Huh
CPC分类号： C09K11/883 , C09K11/0883 , C09K11/7492 , H10K50/115 , H10K59/38 , B82Y20/00 , B82Y40/00
摘要： A quantum dot includes a first core layer and a shell layer surrounding the first core layer, wherein a difference in lattice constants between the first core layer and the shell layer is controlled to be 3% or less. The quantum dot according to an embodiment may be applied to a light emitting element and a display device, thereby providing improved luminous efficiency.
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公开(公告)号：US20230180533A1
公开(公告)日：2023-06-08
申请号：US18061946
申请日：2022-12-05
发明人： Minjae Kim , Inok Kim , Yousik Shin , Youyoung Jin , Jaecheol Park , Keunchan Oh , Changhun Lee , Sunkyu Joo
IPC分类号： H10K59/122 , H10K59/38 , H10K71/00 , H10K50/84
CPC分类号： H01L27/3246 , H01L27/322 , H01L51/56 , H01L51/5237 , H01L2227/323
摘要： A display apparatus includes: a lower substrate; a light-emitting element on the lower substrate and including an emission layer; an upper substrate over the lower substrate with the light-emitting element therebetween; a bank on a lower surface of the upper substrate facing the lower substrate, the bank including a central opening and a peripheral opening; a functional layer in the central opening and including at least one of a color-converting material or a scatterer; and a column spacer on the bank and facing the lower substrate. A distance from an outer surface of the column spacer to an inner surface of the bank is 15 μm or more in a plan view. The inner surface of the bank defines the peripheral opening.
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公开(公告)号：US11424296B2
公开(公告)日：2022-08-23
申请号：US17179773
申请日：2021-02-19
发明人： Sun-kyu Joo , Keunchan Oh , Byung-Chul Kim , Inok Kim , Jaemin Seong , Gakseok Lee , Jieun Jang , Inseok Song , Chang-Soon Jang
摘要： A display panel includes: an upper display substrate including a plurality of pixel areas arranged in each of a plurality of pixel columns and a light blocking area disposed adjacent to the pixel areas; and a lower display substrate including a plurality of display elements respectively overlapping the pixel areas, wherein the upper display substrate includes: a base substrate; a color filter layer disposed on the base substrate; and a light control layer disposed on the color filter layer and including transmission portions respectively at least partially overlapping first pixel areas arranged in a first one of the pixel columns and first conversion portions respectively at least partially overlapping second pixel areas arranged in a second one of the pixel columns, wherein the light blocking area includes a first light blocking area defined between the transmission portion and the first conversion portion, and a second light blocking area defined between the first conversion portions, and a first shortest distance from the base substrate to a lower surface of a first portion of the light control layer overlapping the first light blocking area is substantially equal to a second shortest distance from the base substrate to a lower surface of a second portion of the light control layer overlapping the second light blocking area.
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公开(公告)号：US11063092B2
公开(公告)日：2021-07-13
申请号：US16532279
申请日：2019-08-05
发明人： Sun-Kyu Joo , Keunchan Oh , Byung-Chul Kim , Inok Kim , Gak Seok Lee , Jieun Jang , Inseok Song , Chang-Soon Jang
摘要： A display device includes: a first base layer; a circuit element layer on the first base layer; a pixel definition layer on the circuit element layer and comprising a plurality of light-emitting openings which are spaced apart from each other and define a plurality of light-emitting regions; a second base layer spaced apart from and facing the first base layer; a light-shielding layer on the second base layer and comprising a plurality of openings respectively overlapping the light-emitting regions, wherein on a plane of the first base layer, shapes of first to third openings along one direction among the openings are different from each other.
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