公开(公告)号：US20240190905A1

公开(公告)日：2024-06-13

申请号：US18323291

申请日：2023-05-24

Applicant: Samsung Display Co., LTD.

Inventor： Dongsun Yoo ,  Sooryun Cho ,  Gyeongheon Kim ,  Sohae Kim ,  Jihye Kim ,  Hoilim Kim ,  Saerom Park ,  Yongsub Shim

IPC: C07F15/00 ,  H10K50/11 ,  H10K50/30 ,  H10K85/30

CPC classification number: C07F15/0033 ,  H10K50/11 ,  H10K50/30 ,  H10K85/342

Abstract: Provided are an organometallic compound, a light-emitting device including the same, and an electronic apparatus and electronic equipment that include the light-emitting device. The organometallic compound includes iridium and emits a first light, wherein a photoluminescence (PL) spectrum of the first light has a first peak (Imax) having a maximum intensity and a second peak (I2nd) having a second highest intensity, and the organometallic compound satisfies Condition 1 and at least one selected from Conditions 2 and 3: Condition 1: a wavelength of the first peak is in a range of 515 nm to 530 nm; Condition 2: an intensity of the second peak is at least 40% and not more than 60% compared to an intensity of the first peak; and Condition 3: a reorganization energy value of the organometallic compound is less than or equal to 0.22 eV.

公开(公告)号：US20240099044A1

公开(公告)日：2024-03-21

申请号：US18299825

申请日：2023-04-13

Applicant: Samsung Display Co., Ltd.

Inventor： Dongsun Yoo ,  Gyubong Kim ,  Sanghee Yu ,  Sehun Kim ,  Jihye Kim ,  Hoilim Kim ,  Yohan Suh ,  Yunku Jung

IPC: H10K50/115 ,  C09D5/22 ,  C09K11/08 ,  C09K11/70

CPC classification number: H10K50/115 ,  C09D5/22 ,  C09K11/0811 ,  C09K11/70

Abstract: Embodiments provide a mixed solvent for a quantum dot ink composition, wherein the mixed solvent includes at least two solvents, an R1 value of the mixed solvent is greater than or equal to about 7.3 Mpa0.5, an R2 value of the mixed solvent is greater than or equal to about 5.0 Mpa0.5, and a molar volume of the mixed solvent is greater than or equal to about 160 cm3/mol.

公开(公告)号：US20230225198A1

公开(公告)日：2023-07-13

申请号：US17933748

申请日：2022-09-20

Applicant: Samsung Display Co., Ltd.

Inventor： Sooryun Cho ,  Jihye Kim ,  Hoilim Kim ,  Saerom Park ,  Yongsub Shim ,  Dongsun Yoo

IPC: H01L51/00 ,  H01L51/52 ,  C09K11/06

CPC classification number: H01L51/0061 ,  H01L51/5253 ,  H01L51/5275 ,  C09K11/06 ,  H01L51/0087 ,  H01L27/3244

Abstract: Provided is a light-emitting device and an electronic apparatus including the same. The light-emitting device includes: a first electrode; a second electrode facing the first electrode; an interlayer between the first electrode and the second electrode and including an emission layer; and a capping layer, wherein the emission layer includes a first emitter, the first emitter emits a first light having a first emission spectrum, the capping layer is in a path along which the first light travels, an emission peak wavelength of the first light is about 520 nm to about 550 nm, the first emitter includes platinum, the capping layer includes an amine-containing compound, and a value of a ratio of CIEy to reflective index (RCR value) of the first light extracted to the outside through the capping layer is 38 or less, and the RCR value is calculated according to Equation 1.


CIEy/R(cap)×100  Equation 1

公开(公告)号：US20230225189A1

公开(公告)日：2023-07-13

申请号：US18095978

申请日：2023-01-11

Applicant: Samsung Display Co., Ltd.

Inventor： Sohae Kim ,  Sooryun Cho ,  Jihye Kim ,  Hoilim Kim ,  Dongsun Yoo ,  Youngmi Cho ,  Gyeongheon Kim ,  Saerom Park

IPC: H10K85/30 ,  C09K11/06 ,  C07F15/00

CPC classification number: H10K85/346 ,  C09K11/06 ,  C07F15/0086 ,  C09K2211/185 ,  C09K2211/1029 ,  C09K2211/1044 ,  H10K50/12

Abstract: A light-emitting device includes an organometallic compound represented by Formula 1, an electronic apparatus including the light-emitting device, and the organometallic compound represented by Formula 1 are provided:




wherein substituents of Formula 1 are the same as described in the present specification.

公开(公告)号：US20230225145A1

公开(公告)日：2023-07-13

申请号：US17963071

申请日：2022-10-10

Applicant: Samsung Display Co., Ltd.

Inventor： Hoilim Kim ,  Sooryun Cho ,  Jihye Kim ,  Saerom Park ,  Yongsub Shim ,  Dongsun Yoo

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/00

CPC classification number: H01L51/5036 ,  H01L51/5275 ,  H01L51/0087

Abstract: A light-emitting device and an electronic apparatus including the same are provided. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and a capping layer. The emission layer includes a first emitter, the first emitter emits a first light having a first emission spectrum, the capping layer is in a path on which the first light travels, an emission peak wavelength of the first light is about 510 nm to about 550 nm. The first emitter includes platinum, the capping layer includes an amine-free compound, and a value of a ratio of CIEy to a reflective index (RCR value) of the first light extracted to the outside through the capping layer is 38 or less, and the RCR value is calculated according to CIEy/R(cap)×100.

公开(公告)号：US20150168623A1

公开(公告)日：2015-06-18

申请号：US14306787

申请日：2014-06-17

Applicant: Samsung Display Co., Ltd.

Inventor： Beong-hun BEON ,  Seungbeom Park ,  Jihye Kim

IPC: G02B5/30 ,  H01L51/52 ,  G02B5/02 ,  H01L27/32 ,  G02B1/10 ,  G02B1/04

CPC classification number: G02B5/3016 ,  G02B1/04 ,  G02B1/10 ,  G02B1/105 ,  G02B1/14 ,  G02B5/0226 ,  G02B5/3041 ,  G02B5/3083 ,  H01L27/3244 ,  H01L51/5293

Abstract: A polarizing plate includes a base film and a polarizer. The polarizer includes a dichroic dye formed on the base film, oriented perpendicular to a plane of the base film, and having a discotic liquid crystal phase.

Abstract translation: 偏振片包括基膜和偏振片。 偏振片包括形成在基膜上的二色性染料，其垂直于基膜的平面取向并具有盘状液晶相。