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公开(公告)号：US20210367167A1
公开(公告)日：2021-11-25
申请号：US17306593
申请日：2021-05-03
Applicant: Samsung Display Co., Ltd.
Inventor： Eunyoung LEE , Sunwoo KANG , Soobyung KO , Sungbum KIM , Jaejin LYU
IPC: H01L51/00
Abstract: An organometallic compound is represented by Formula 1 and an organic light-emitting device includes the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer located between the first electrode and the second electrode and including an emission layer, wherein the interlayer includes at least one of the organometallic compound represented by Formula 1.
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公开(公告)号：US20210257575A1
公开(公告)日：2021-08-19
申请号：US17162538
申请日：2021-01-29
Applicant: Samsung Display Co., Ltd.
Inventor： Seokgyu YOON , Mieun JUN , Hyeongu CHO , Jaejin LYU
Abstract: A light-emitting device includes an emission layer that includes a host, a first dopant, and a second dopant, and an electronic apparatus includes the same. In the emission layer, a) the first dopant is a phosphorescent dopant, b) a Stokes shift of the second dopant is less than or equal to 15 nm, and c) a spectral overlap integral of an emission spectrum of the first dopant and an absorption spectrum of the second dopant may be greater than or equal to 1.5×1015 M−1 cm−1 nm4, and accordingly, the emission efficiency (for example, external quantum efficiency) and lifespan of the light-emitting device may be improved.
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公开(公告)号：US20210159278A1
公开(公告)日：2021-05-27
申请号：US16931197
申请日：2020-07-16
Applicant: Samsung Display Co., Ltd.
Inventor： Baek Hee LEE , Minwoo KIM , Jaejin LYU , Donghee LEE , Junwoo LEE , Taekjoon LEE , Hyung-Il JEON
Abstract: Disclosed are display panels and methods of fabricating the same. The display panel includes a base substrate having a pixel area and a peripheral area adjacent to the pixel area, a light emitting element on the base substrate to generate a first light and overlapping the pixel area, a light control layer on the light emitting element to convert the first light into a white light, and a color filter layer on the light control layer and includes a first color filter that allows penetration of the first light, a second color filter that allows penetration of a second light different from the first light, and a third color filter that allows penetration of a third light different from the first light and the second light.
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公开(公告)号：US20200075682A1
公开(公告)日：2020-03-05
申请号：US16440768
申请日：2019-06-13
Applicant: Samsung Display Co., Ltd.
Inventor： Seungyeon JEONG , Ohjeong KWON , Suk-kung CHEI , Minju HAN , Duckjong SUH , Bongsung SEO , Jaejin LYU
Abstract: A display device includes: a display panel including an organic electroluminescent element; and a color filter on the display panel and including a plurality of color filter portions spaced from each other on a plane, wherein at least one color filter portion of the color filter portions comprises a scattering agent having an average diameter of 50 nanometers (nm) or more and 500 nm or less.
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公开(公告)号：US20230119261A1
公开(公告)日：2023-04-20
申请号：US18064787
申请日：2022-12-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyojeong KIM , Minje KIM , Eungdo KIM , Hyunyoung KIM , Hyosup SHIN , Seokgyu YOON , Youngki LEE , Jungsub LEE , Jiyoung LEE , Hyejin JUNG , Kunwook CHO , Hyeongu CHO , Minsoo CHOI , Youngeun CHOI , Jaejin LYU
Abstract: An organic light-emitting device having improved efficiency and lifespan includes: a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound includes a metal element having an atomic number of 40 or more, the fourth compound includes boron (B), the third compound and the fourth compound each satisfy Conditions 1-1 and 1-2 below, and the fourth compound satisfies Condition 2 or 3: T1(C3)onset≥S1(C4)onset Condition 1-1 T1(C3)max≥S1(C4)max Condition 1-2 KRISC(C4)≥103 S−1 Condition 2 f(C4)≥0.1. Condition 3
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Patent Agency Ranking
公开(公告)号：US20220024958A1
公开(公告)日：2022-01-27
申请号：US17305557
申请日：2021-07-09
Applicant: Samsung Display Co., Ltd.
Inventor： Soobyung KO , Sujin SHIN , Eunsoo AHN , Jaejin LYU , Jihyung LEE , Junghoon HAN
Abstract: A light-emitting device includes a first compound represented by Formula 1; and a second compound, a third compound, a fourth compound, or any combination thereof, each having a specific formula: emitting device may have excellent driving voltage, current density, high luminescence efficiency, and long lifespan, and may be used in the manufacture of a high quality electronic apparatus.
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公开(公告)号：US20210391395A1
公开(公告)日：2021-12-16
申请号：US17165789
申请日：2021-02-02
Applicant: Samsung Display Co., Ltd.
Inventor： Beomsoo SHIN , Sukhoon KANG , Jaejin LYU , Hyungguen YOON , Sunghwan HONG
Abstract: A display apparatus includes: a first substrate on which a plurality of light-emitting devices are arranged; a plurality of light controllers arranged above the first substrate and corresponding to the plurality of light-emitting devices; and a plurality of banks between the plurality of light controllers, wherein each bank of the plurality of banks includes a black pigment and a scattering agent. Because the display apparatus according to an embodiment includes a bank including a black pigment and a scattering agent, color mixing between pixels is prevented or reduced, and light efficiency is increased.
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18.发明申请公开(公告)号：US20210261806A1
公开(公告)日：2021-08-26
申请号：US17033403
申请日：2020-09-25
Applicant: Samsung Display Co., Ltd.
Inventor： Sujeong KIM , Yunho LEE , Baekhee LEE , Jaejin LYU
IPC: C09D11/52 , C09D11/101 , C09D11/102 , C09D11/107 , C09K11/88 , H01L51/50 , H01L51/56
Abstract: A quantum dot ink composition includes a thiol compound, a photopolymerizable monomer, a photopolymerization initiator, a scatterer, and quantum dots. An amount of the thiol compound is greater than or equal to about 0.1 parts by weight and less than 10 parts by weight based on 100 parts by weight of the quantum dot ink composition. An apparatus is formed utilizing the quantum dot ink composition, and a light-emitting device is formed utilizing the quantum dot ink composition.
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公开(公告)号：US20210249606A1
公开(公告)日：2021-08-12
申请号：US17160205
申请日：2021-01-27
Applicant: Samsung Display Co., Ltd.
Inventor： Seokgyu YOON , Eungdo KIM , Hyosup SHIN , Jaejin LYU , Jaeyong LEE , Hyeongu CHO
IPC: H01L51/00
Abstract: A light-emitting device includes: a first electrode; a hole injection layer; a hole transport layer; an emission layer; an electron transport region; and a second electrode, stacked in order, wherein the hole transport layer and the hole injection layer are different from each other, the hole injection layer includes a first inorganic material, the first inorganic material is an oxide of at least one metal selected from tungsten (W), molybdenum (Mo), zinc (Zn), copper (Cu), nickel (Ni), cobalt (Co), gallium (Ga), and germanium (Ge), the first inorganic material has a work function with an absolute value of about 4.3 eV to about 5.3 eV, and the hole injection layer and the hole transport layer satisfy Equations 1 and 2: |ELUMO_HIL|>|ELUMO_HTL|+0.1 eV Equation 1 |EHOMO_HIL|>|EHOMO_HTL|+0.1 eV. Equation 2
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20.发明申请公开(公告)号：US20210242404A1
公开(公告)日：2021-08-05
申请号：US17022839
申请日：2020-09-16
Applicant: Samsung Display Co., LTD.
Inventor： Jang Yeol BAEK , Jaejin LYU , Sun Young PAK , Junha PARK , Hankyu PAK , Mun-Ki SIM , Chanseok OH , Hyoyoung LEE , Minjung JUNG
Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer disposed between the first electrode and the second electrode, wherein the emission layer includes a polycyclic compound represented by Formula 1, and long-life device characteristics may be shown.
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