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公开(公告)号：US11917899B2
公开(公告)日：2024-02-27
申请号：US17193078
申请日：2021-03-05
发明人： Masashi Tsuji , Takahiro Fujiyama , Yusaku Konishi , Dae Young Chung , Fumiaki Kato , Jaejun Chang , Keigo Furuta , Takao Motoyama , Eun Joo Jang , Hyo Sook Jang , Tae Ho Kim , Tomoyuki Kikuchi , Yuho Won
CPC分类号： H10K85/115 , C08G61/12 , C09K11/06 , H10K85/151 , C08G2261/124 , C08G2261/147 , C08G2261/148 , C08G2261/1412 , C08G2261/18 , C08G2261/228 , C08G2261/312 , C08G2261/3142 , C08G2261/3162 , C08G2261/95 , C09K2211/1416 , C09K2211/1425 , C09K2211/1433 , H10K50/15 , H10K50/17
摘要： An arylamine-fluorene alternating copolymer having a structural unit (A) is represented by Chemical Formula (1):
wherein Chemical Formula (1) is the same as described in the detailed description.-
2.发明授权公开(公告)号：US11910697B2
公开(公告)日：2024-02-20
申请号：US17470884
申请日：2021-09-09
发明人： Fumiaki Kato , Masashi Tsuji , Takao Motoyama , Yusaku Konishi , Keigo Furuta , Takahiro Fujiyama , Tae Ho Kim , Won Sik Yoon , Ha Il Kwon , Dae Young Chung , Eun Joo Jang
CPC分类号： H10K85/111 , C08G61/10 , C08L65/02 , C08G2261/11 , C08G2261/148 , C08G2261/149 , C08G2261/1434 , C08G2261/312 , C08G2261/3142 , C08G2261/95 , H10K50/15 , H10K50/17
摘要： A copolymer having a structural unit represented by Chemical Formula 1 is provided. The copolymer may improve performance, e.g., luminous efficiency, of an electroluminescence device.
In Chemical Formula 1, the definition of each substituent is as described in the detailed description.-
公开(公告)号：US11690242B2
公开(公告)日：2023-06-27
申请号：US17688201
申请日：2022-03-07
发明人： Moon Gyu Han , Kwanghee Kim , Heejae Lee , Eun Joo Jang , Dae Young Chung
CPC分类号： H01L51/5278 , C09K11/883 , H01L51/0072 , H01L51/502
摘要： Provided are a light emitting device includes a first electrode and a second electrode facing each other; an emissive layer disposed between the first electrode and the second electrode and a display device including the same. The emissive layer comprises: a first emission layer disposed on the first electrode and having a hole transporting property; a second emission layer and a third emission layer disposed on the first emission layer; wherein the second emission layer comprises an organic compound having a bipolar transport property and the third emission layer has a composition different from the first emission layer and the second emission layer; wherein the first emission layer, the second emission layer, and the third emission layer comprises a plurality of quantum dots, and wherein the first emission layer, the second emission layer, and the third emission layer are configured to emit light of a same color.
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公开(公告)号：US11271190B2
公开(公告)日：2022-03-08
申请号：US16857727
申请日：2020-04-24
发明人： Moon Gyu Han , Kwanghee Kim , Heejae Lee , Eun Joo Jang , Dae Young Chung
摘要： Provided are a light emitting device includes a first electrode and a second electrode facing each other; an emissive layer disposed between the first electrode and the second electrode and a display device including the same. The emissive layer comprises: a first emission layer disposed on the first electrode and having a hole transporting property; a second emission layer and a third emission layer disposed on the first emission layer; wherein the second emission layer comprises an organic compound having a bipolar transport property and the third emission layer has a composition different from the first emission layer and the second emission layer; wherein the first emission layer, the second emission layer, and the third emission layer comprises a plurality of quantum dots, and wherein the first emission layer, the second emission layer, and the third emission layer are configured to emit light of a same color.
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公开(公告)号：US11038136B2
公开(公告)日：2021-06-15
申请号：US16811637
申请日：2020-03-06
发明人： Moon Gyu Han , Dae Young Chung , Kwanghee Kim , Eun Joo Jang , Chan Su Kim , Kun Su Park , Won Sik Yoon
摘要： An 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 a plurality of quantum dots and a first hole transporting material having a substituted or unsubstituted C4 to C20 alkyl group attached to a backbone structure; a hole transport layer disposed between the emission layer and the first electrode and including a second hole transporting material; and an electron transport layer disposed between the emission layer and the second electrode.
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公开(公告)号：US10726228B2
公开(公告)日：2020-07-28
申请号：US15648320
申请日：2017-07-12
发明人： Hee Chang Hwang , Jae Jin Park , Min Chul Lee , Seung Hoon Lee , Dae Young Chung
IPC分类号： G06K9/00 , H01L23/528
摘要： A semiconductor device comprising a fingerprint sensor configured to generate first-direction sensing data and second-direction sensing data by sensing a fingerprint image in a first direction and a second direction, respectively, which is perpendicular to the first direction; a differential sensing circuit configured to generate first-direction first differential data and second-direction first differential data by performing a differential operation on the first-direction sensing data and the second-direction sensing data, respectively; and a fingerprint processing circuit configured to generate first-direction second differential data and second-direction second differential data by performing a differential operation on the first-direction first differential data and the second-direction first differential data, respectively, and generate fingerprint data by adding the first-direction second differential data and the second-direction second differential data.
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公开(公告)号：US10547018B2
公开(公告)日：2020-01-28
申请号：US15970296
申请日：2018-05-03
发明人： Dae Young Chung , Hyun A Kang , Eun Joo Jang , Oul Cho
摘要： 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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公开(公告)号：US11812627B2
公开(公告)日：2023-11-07
申请号：US17512067
申请日：2021-10-27
发明人： Hongkyu Seo , Eun Joo Jang , Moon Gyu Han , Tae Ho Kim , Dae Young Chung
IPC分类号： H10K50/115 , C09K11/88 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/18 , H10K50/17 , H10K71/00 , B82Y20/00 , H10K101/40 , H10K101/30
CPC分类号： H10K50/115 , C09K11/883 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/167 , H10K50/171 , H10K50/18 , H10K71/00 , B82Y20/00 , H10K2101/30 , H10K2101/40
摘要： A quantum dot device including an anode; a cathode disposed substantially opposite to the anode; a hole injection layer disposed on the anode between the anode and the cathode; a hole transport layer disposed on the hole injection layer between the hole injection layer and the cathode; and a quantum dot layer disposed on the hole transport layer between the hole transport layer and the cathode, wherein the quantum dot layer includes a plurality of quantum dots, wherein the hole transport layer includes a hole transport material and an electron transport material, and wherein a lowest unoccupied molecular orbital (LUMO) energy level of the electron transport material and a lowest unoccupied molecular orbital (LUMO) energy level of the quantum dot layer is about 0.5 electron volts or less.
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公开(公告)号：US11793011B2
公开(公告)日：2023-10-17
申请号：US17387281
申请日：2021-07-28
发明人： Sung Woo Kim , Tae Ho Kim , Eun Joo Jang , Hongkyu Seo , Sang Jin Lee , Dae Young Chung , Oul Cho
IPC分类号： H10K50/115 , H10K50/11 , H10K50/81 , H10K50/82 , H10K50/17 , H10K50/18 , H10K101/40 , H10K101/30 , H10K71/00 , H10K50/15 , H10K71/12 , H10K85/10 , H10K102/00
CPC分类号： H10K50/115 , H10K50/11 , H10K50/171 , H10K50/81 , H10K50/82 , H10K71/00 , H10K50/15 , H10K50/17 , H10K50/18 , H10K71/12 , H10K85/115 , H10K85/1135 , H10K2101/30 , H10K2101/40 , H10K2102/00 , H10K2102/331 , H10K2102/351 , H10K2102/361
摘要： 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 about 1.1 electronvolts.
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公开(公告)号：US11643597B2
公开(公告)日：2023-05-09
申请号：US17203872
申请日：2021-03-17
发明人： Tae Hyung Kim , Hyun A Kang , Eun Joo Jang , Dae Young Chung
CPC分类号： C09K11/703 , H01L51/5056 , H01L51/5072 , B82Y20/00 , B82Y40/00 , H01L51/502 , H01L2251/303 , H01L2251/5369
摘要： Disclosed are a semiconductor nanocrystal particle including indium (In), zinc (Zn), and phosphorus (P), wherein a mole ratio of the zinc relative to the indium is greater than or equal to about 25:1, and the semiconductor nanocrystal particle includes a core including a first semiconductor material including indium, zinc, and phosphorus and a shell disposed on the core and including a second semiconductor material including zinc and sulfur, a method of producing the same, and an electronic device including the same. The semiconductor nanocrystal particle emits blue light having a maximum peak emission at a wavelength of less than or equal to about 470 nanometers.
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