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21 | US2020194703A1 |
ELECTRIC DEVICE, AND DISPLAY DEVICE COMPRISING THE SAME
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Publication/Patent Number: US2020194703A1 | Publication Date: 2020-06-18 | Application Number: 16/797,380 | Filing Date: 2020-02-21 | Inventor： Chung, Dae Young Jang, Eun Joo Cho, Oul Kang, Hyun A Kim, Tae Hyung Woo, Yun Sung Lee, Jeong Hee | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: H01L51/50 | Abstract: An electronic device includes a first electrode and a second electrode facing each other, an emission layer comprising a plurality of quantum dots, wherein the emission layer is disposed between the first electrode and the second electrode; a first charge auxiliary layer disposed between the first electrode and the emission layer; and an optical functional layer disposed on the second electrode on a side opposite the emission layer, wherein the first electrode includes a reflecting electrode, wherein the second electrode is a light-transmitting electrode, wherein a region between the optical functional layer and the first electrode comprises a microcavity structure, and a refractive index of the optical functional layer is greater than or equal to a refractive index of the second electrode. | |||
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22 | US2020266373A1 |
ELECTROLUMINESCENT DISPLAY DEVICE
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Publication/Patent Number: US2020266373A1 | Publication Date: 2020-08-20 | Application Number: 16/863,164 | Filing Date: 2020-04-30 | Inventor： Kim, Tae Hyung Jang, Eun Joo Chung, Dae Young Kim, Yong Wook Won, Yuho Cho, Oul | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: H01L51/50 | Abstract: An electroluminescence display device, including a first electrode and a second electrode facing each other; a quantum dot emission layer disposed between the first electrode and the second electrode, the quantum dot emission layer including a plurality of quantum dots and not including cadmium, wherein the quantum dot emission layer includes a red emission layer disposed in a red pixel, a green emission layer disposed in a green pixel, and a blue emission layer disposed in a blue pixel, wherein the device has color reproducibility according to a DCI standard of greater than or equal to about 89%. | |||
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23 | EP3613826A1 |
LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
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Publication/Patent Number: EP3613826A1 | Publication Date: 2020-02-26 | Application Number: 19193423.1 | Filing Date: 2019-08-23 | Inventor： Chung, Dae Young Kim, Kwanghee Seo, Hongkyu Jang, Eun Joo Cho, Oul Kim, Tae Hyung Won, Yuho Lee, Heejae | Assignee: Samsung Electronics Co., Ltd. | IPC: C09K11/02 | Abstract: A light emitting device, a method of manufacturing the same, and a display device including the same are disclosed. The light emitting device including a first electrode and a second electrode facing each other, an emission layer disposed between the first electrode and the second electrode, the emission layer including quantum dots, and a charge auxiliary layer disposed between the emission layer and the second electrode, wherein the emission layer includes a first surface facing the charge auxiliary layer and an opposite second surface, the quantum dots include a first organic ligand on a surface of the quantum dots, in the emission layer, an amount of the first organic ligand in a portion adjacent to the first surface is larger than an amount of the first organic ligand in a portion adjacent to the second surface. | |||
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24 | US10559726B2 |
Layered structures and quantum dot sheets and electronic devices including the same
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Publication/Patent Number: US10559726B2 | Publication Date: 2020-02-11 | Application Number: 15/581,861 | Filing Date: 2017-04-28 | Inventor： Kang, Hyun A Won, Nayoun Jang, Eun Joo Kwon, Ha Il Lee, Jeong Hee Cho, Oul Kikuchi, Tomoyuki | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: C09K11/02 | Abstract: A layered structure having a first layer including a polymerization product of a monomer combination including a first monomer having at least two thiol groups at its terminal end and a second monomer having at least two carbon-carbon unsaturated bond-containing groups at its terminal end, wherein the first monomer includes a first thiol compound represented by Chemical Formula 1-1 including a thioglycolate moiety and a second thiol represented by Chemical Formula 1-2, and wherein the second monomer includes an ene compound represented by Chemical Formula 2: wherein in Chemical Formulae 1-1, 1-2, and 2, groups and variables are the same as described in the specification. | |||
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25 | US10808169B2 |
Methods of grinding semiconductor nanocrystal polymer composite particles
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Publication/Patent Number: US10808169B2 | Publication Date: 2020-10-20 | Application Number: 15/644,984 | Filing Date: 2017-07-10 | Inventor： Lee, Jeong Hee Kang, Hyun A Jang, Eun Joo Lee, Sang Eui Jun, Shin Ae Cho, Oul Kim, Tae Gon Kim, Tae Hyung | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: C09K11/02 | Abstract: A method of grinding a semiconductor nanocrystal-polymer composite, the method including obtaining a semiconductor nanocrystal-polymer composite including a semiconductor nanocrystal and a first polymer, contacting the semiconductor nanocrystal-polymer composite with an inert organic solvent; and grinding the semiconductor nanocrystal-polymer composite in the presence of the inert organic solvent to grind the semiconductor nanocrystal-polymer composite. | |||
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26 | US10386678B2 |
Strip, and backlight unit and liquid crystal display including the same
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Publication/Patent Number: US10386678B2 | Publication Date: 2019-08-20 | Application Number: 14/833,722 | Filing Date: 2015-08-24 | Inventor： Cho, Oul Kang, Hyun A Jang, Eun Joo | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: G02F1/1333 | Abstract: Disclosed is a mold frame including a first guide defining the position of a photoconversion layer and at least one of optical sheets disposed on the photoconversion layer, a backlight unit and a liquid crystal display including the same, and the like. The first guide includes a first surface facing the liquid crystal panel, a second surface opposite to the first surface, and a third surface extended from the edge of the first surface to the edge of second surface, wherein at least a portion of the second surface is provided with a strip, and wherein the strip is extended along the edge of the optical sheet or the photoconversion layer to overlap a region adjacent to the edge of the top surface of the optical sheet or adjacent to the edge of the top surface of the photoconversion layer. | |||
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27 | US2019369443A1 |
STRIP, AND BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY INCLUDING THE SAME
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Publication/Patent Number: US2019369443A1 | Publication Date: 2019-12-05 | Application Number: 16/543,118 | Filing Date: 2019-08-16 | Inventor： Cho, Oul Kang, Hyun A Jang, Eun Joo | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: G02F1/1335 | Abstract: Disclosed is a mold frame including a first guide defining the position of a photoconversion layer and at least one of optical sheets disposed on the photoconversion layer, a backlight unit and a liquid crystal display including the same, and the like. The first guide includes a first surface facing the liquid crystal panel, a second surface opposite to the first surface, and a third surface extended from the edge of the first surface to the edge of second surface, wherein at least a portion of the second surface is provided with a strip, and wherein the strip is extended along the edge of the optical sheet or the photoconversion layer to overlap a region adjacent to the edge of the top surface of the optical sheet or adjacent to the edge of the top surface of the photoconversion layer. | |||
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28 | US2019189945A1 |
ELECTROLUMINESCENT DEVICE, AND DISPLAY DEVICE COMPRISING THE SAME
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Publication/Patent Number: US2019189945A1 | Publication Date: 2019-06-20 | Application Number: 15/970,296 | Filing Date: 2018-05-03 | Inventor： Chung, Dae Young Kang, Hyun A Jang, Eun Joo Cho, Oul | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: H01L51/50 | Abstract: An electroluminescent device and a display device including the same are provided. The electroluminescent device includes a first electrode and a second electrode facing each other; an emission layer disposed between the first electrode and the second electrode and including at least two light emitting particles; a hole transport layer disposed between the first electrode and the emission layer; and an electron transport layer disposed between the emission layer and the second electrode and including at least two different organic semiconductor compounds, wherein a first root-mean surface roughness of a surface of the electron transport layer obtained using a laser interferometer is in a range from about 0.5 nanometers to about 3 nanometers. | |||
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29 | KR20190074153A |
ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE COMPRISING THEREOF
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Publication/Patent Number: KR20190074153A | Publication Date: 2019-06-27 | Application Number: 20170175567 | Filing Date: 2017-12-19 | Inventor： Kang, Hyun A Cho, Oul Chung, Dae Young Jang, Eun Joo | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: H01L51/00 | Abstract: The present invention provides an electroluminescent element and a display device including the same. The electroluminescent element comprises: a first electrode and a second electrode facing each other; a luminescent layer disposed between the first electrode and the second electrode and including at least two luminescent particles; a hole transporting layer disposed between the first electrode and the luminescent layer; and an electron transporting layer disposed between the luminescent layer and the second electrode and containing at least two organic semiconductor compounds different from each other. A first square mean roughness of a surface of the electron transporting layer obtained by using a Zygo laser interferometer is 0.5 to 3.0. | |||
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30 | EP3244458B1 |
LIGHT CONVERSION DEVICE, MANUFACTURING METHOD THEREOF, LIGHT SOURCE MODULE INCLUDING LIGHT CONVERSION DEVICE AND BACKLIGHT UNIT INCLUDING THE SAME
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Publication/Patent Number: EP3244458B1 | Publication Date: 2019-06-12 | Application Number: 17168234.7 | Filing Date: 2017-04-26 | Inventor： Cho, Oul Jang, Eun Joo Kang, Hyun A. Kim, Tae Hyung Lee, Jeong Hee | Assignee: Samsung Electronics Co., Ltd. | IPC: H01L33/50 | ||||
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31 | KR20190123694A |
LIGHT-EMITTING FILM PRODUCTION METHOD THEREOF AND A LIGHT EMITTING DEVICE INCLUDING THE SAME
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Publication/Patent Number: KR20190123694A | Publication Date: 2019-11-01 | Application Number: 20190047284 | Filing Date: 2019-04-23 | Inventor： Jang, Eun Joo Kim, Kwang Hee Kim, Tae Hyung Kim, Chan Su Cho, Oul Han, Moon Gyu | Assignee: Samsung Electronics Co., Ltd. | IPC: H01L33/16 | Abstract: 복수개의 양자점들을 포함하는 발광막과 이를 포함하는 전자 소자에 대한 것이다. 상기 복수개의 양자점들은 상기 발광막의 표면의 적어도 일부를 구성하고, 상기 복수개의 양자점들은 카드뮴 및 납을 포함하지 않고,상기 발광막의 상기 적어도 일부의 표면은, 상기 복수개의 양자점들에 결합되어 있는 금속 할라이드를 포함한다. | |||
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32 | US2019326533A1 |
LIGHT-EMITTING FILM, PRODUCTION METHOD THEREOF, AND A LIGHT EMITTING DEVICE INCLUDING THE SAME
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Publication/Patent Number: US2019326533A1 | Publication Date: 2019-10-24 | Application Number: 16/391,692 | Filing Date: 2019-04-23 | Inventor： Kim, Kwanghee Cho, Oul Kim, Chan Su Kim, Tae Hyung Jang, Eun Joo Han, Moon Gyu | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: H01L51/50 | Abstract: A light emitting film including a plurality of quantum dots and an electronic device including the same. The plurality of quantum dots constitute at least a portion of a surface of the light emitting film, the plurality of quantum dots do not include cadmium, and the at least a portion of a surface of the light emitting film includes a metal halide bound to at least one quantum dot of the plurality of quantum dots. | |||
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33 | KR20190110046A |
ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE COMPRISING THEREOF
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Publication/Patent Number: KR20190110046A | Publication Date: 2019-09-27 | Application Number: 20190030273 | Filing Date: 2019-03-18 | Inventor： Park, Su Jin Han, Moon Gyu Seo, Hong Kyu Cho, Oul Kim, Tae Hyung Chung, Dae Young Jang, Eun Joo | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: H01L51/50 | Abstract: 제1 전극과, 제1 전극 위에 위치한 정공 수송층과, 정공 수송층의 위에 위치하며, 정공 수송성을 갖는 제1 리간드가 부착되어 있는 제1 발광체 입자를 포함하는 제1 발광층과, 제1 발광층 위에 위치하며, 전자 수송성을 갖는 제2 리간드가 부착되어 있는 제2 발광체 입자를 포함하는 제2 발광층과, 제2 발광층 위에 위치하는 전자 수송층, 및 전자 수송층 위에 위치하는 제2 전극을 포함하며, 상기 제1 리간드의 용매에 대한 용해성과 상기 제2 리간드의 상기 용매에 대한 용해성은 서로 다른 전계 발광 소자 및 이를 포함하는 표시 장치가 제공된다. | |||
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34 | US2019280233A1 |
SEMICONDUCTOR NANOCRYSTAL PARTICLES, PRODUCTION METHODS THEREOF, AND DEVICES INCLUDING THE SAME
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Publication/Patent Number: US2019280233A1 | Publication Date: 2019-09-12 | Application Number: 16/298,357 | Filing Date: 2019-03-11 | Inventor： Kim, Tae Hyung Kim, Sung Woo Kim, Jin A Won, Yuho Lee, Jeong Hee Jang, Eun Joo Cho, Oul | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: H01L51/50 | Abstract: A quantum dot including a core including a first semiconductor nanocrystal including zinc, tellurium, and selenium and a semiconductor nanocrystal shell disposed on the core and including zinc, tellurium, selenium, and sulfur, a production method thereof, and an electronic device including the same. The quantum dot is free of cadmium, the quantum dot has a mole ratio of tellurium with respect to selenium of less than or equal to about 0.06:1, a photoluminescence peak wavelength of the quantum dot is greater than or equal to about 450 nm and less than or equal to about 470 nanometers (nm), and a full width at half maximum (FWHM) of a photoluminescence peak of the quantum dot is less than or equal to about 41 nm. | |||
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35 | EP3486964A1 |
QUANTUM DOT DEVICE AND DISPLAY DEVICE
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Publication/Patent Number: EP3486964A1 | Publication Date: 2019-05-22 | Application Number: 18202124.6 | Filing Date: 2018-10-23 | Inventor： Kim, Sung Woo Kim, Tae Ho Jang, Eun Joo Seo, Hongkyu Lee, Sang Jin Chung, Dae Young Cho, Oul | Assignee: Samsung Electronics Co., Ltd. | IPC: H01L51/54 | Abstract: A quantum dot device includes: a first electrode and a second electrode facing each other; a quantum dot layer between the first electrode and the second electrode, and an electron auxiliary layer between the quantum dot layer and the second electrode, the electron auxiliary layer including a first nanoparticle and a second nanoparticle which is larger than the first nanoparticle, wherein a work function of the first electrode is greater than a work function of the second electrode, and wherein a difference between a lowest unoccupied molecular orbital energy level of the quantum dot layer and a lowest unoccupied molecular orbital energy level of the electron auxiliary layer is less than 1.1 electronvolts. | |||
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36 | EP3575379A1 |
LIGHT-EMITTING FILM, PRODUCTION METHOD THEREOF, AND A LIGHT EMITTING DEVICE INCLUDING THE SAME
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Publication/Patent Number: EP3575379A1 | Publication Date: 2019-12-04 | Application Number: 19170579.7 | Filing Date: 2019-04-23 | Inventor： Kim, Kwanghee Cho, Oul Kim, Chan Su Kim, Tae Hyung Jang, Eun Joo Han, Moon Gyu | Assignee: Samsung Electronics Co., Ltd. | IPC: C09K11/88 | Abstract: A light emitting film including a plurality of quantum dots and an electronic device including the same. The plurality of quantum dots constitute at least a portion of a surface of the light emitting film, the plurality of quantum dots do not include cadmium, and the at least a portion of a surface of the light emitting film includes a metal halide bound to at least one quantum dot of the plurality of quantum dots. | |||
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37 | US2019280231A1 |
ELECTROLUMINESCENT DISPLAY DEVICE
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Publication/Patent Number: US2019280231A1 | Publication Date: 2019-09-12 | Application Number: 16/297,833 | Filing Date: 2019-03-11 | Inventor： Kim, Tae Hyung Jang, Eun Joo Chung, Dae Young Kim, Yong Wook Won, Yuho Cho, Oul | Assignee: SAMSUNG ELECTRONICS CO., LTD. | IPC: H01L51/50 | Abstract: An electroluminescence display device, including a first electrode and a second electrode facing each other; a quantum dot emission layer disposed between the first electrode and the second electrode, the quantum dot emission layer including a plurality of quantum dots and not including cadmium, wherein the quantum dot emission layer includes a red emission layer disposed in a red pixel, a green emission layer disposed in a green pixel, and a blue emission layer disposed in a blue pixel, wherein the device has color reproducibility according to a DCI standard of greater than or equal to about 89%. | |||
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38 | EP3537853A1 |
ELECTROLUMINESCENT DISPLAY DEVICE
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Publication/Patent Number: EP3537853A1 | Publication Date: 2019-09-11 | Application Number: 19161982.4 | Filing Date: 2019-03-11 | Inventor： Kim, Tae Hyung Jang, Eun Joo Chung, Dae Young Kim, Yong Wook Won, Yuho Cho, Oul | Assignee: Samsung Electronics Co., Ltd. | IPC: H05B33/14 | Abstract: An electroluminescence display device, including a first electrode and a second electrode facing each other; a quantum dot emission layer disposed between the first electrode and the second electrode, the quantum dot emission layer including a plurality of quantum dots and not including cadmium, wherein the quantum dot emission layer includes a red emission layer disposed in a red pixel, a green emission layer disposed in a green pixel, and a blue emission layer disposed in a blue pixel, wherein the device has color reproducibility according to a DCI standard of greater than or equal to about 89 %. | |||
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39 | EP3239197B1 |
LAYERED STRUCTURES AND QUANTUM DOT SHEETS AND ELECTRONIC DEVICES INCLUDING THE SAME
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Publication/Patent Number: EP3239197B1 | Publication Date: 2019-01-23 | Application Number: 17168408.7 | Filing Date: 2017-04-27 | Inventor： Kang, Hyun A Won, Nayoun Jang, Eun Joo Kwon, Ha Il Lee, Jeong Hee Cho, Oul Kikuchi, Tomoyuki | Assignee: Samsung Electronics Co., Ltd. | IPC: C08F222/26 | ||||
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40 | EP3544074A3 |
ELECTROLUMINESCENT DEVICE, AND DISPLAY DEVICE COMPRISING THEREOF
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Publication/Patent Number: EP3544074A3 | Publication Date: 2019-11-06 | Application Number: 19163844.4 | Filing Date: 2019-03-19 | Inventor： Chung, Dae Young Han, Moon Gyu Cho, Oul Kim, Tae Hyung Park, Sujin Seo, Hongkyu Jang, Eun Joo | Assignee: Samsung Electronics Co., Ltd. | IPC: H01L51/50 | Abstract: An electroluminescent device (10) including a first electrode (110), a hole transport layer (130) disposed on the first electrode, a first emission layer (140) disposed on the hole transport layer, the first emission layer including a first light emitting particle (141) on which a first ligand having a hole transporting property is attached, a second emission layer (150) disposed on the first emission layer, the second emission layer including a second light emitting particle (151) on which a second ligand having an electron transporting property is attached, an electron transport layer (160) disposed on the second emission layer, and a second electrode (170) disposed on the electron transport layer, wherein a solubility of the first ligand in a solvent is different than a solubility of the second ligand in the solvent and a display device including the same. |
3.Current Quota