公开(公告)号：US20230078957A1

公开(公告)日：2023-03-16

申请号：US17891882

申请日：2022-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： KYUNGEUN PARK ,  DONGHYUN HWANG ,  Dongkyu Lee

IPC: G09G3/20

Abstract: A data driver is disclosed that includes a first digital-to-analog converter, a second digital-to-analog converter, a third digital-to-analog converter, a first pseudo amplifier, a second pseudo amplifier, and a main amplifier. The first digital-to-analog converter includes a first resistor string including first resistors and a first decoder. The second digital-to-analog converter includes a second resistor string including second resistors and a second decoder, and is connected to the first digital-to-analog converter. The third digital-to-analog converter is connected to the second digital-to-analog converter. The first pseudo amplifier includes first and second driving transistors. The second pseudo amplifier includes third and fourth driving transistors. The main amplifier is connected to the first and second pseudo amplifiers, and is configured to generate a reference current. The second resistor string is connected between first and second nodes, and a first output node disposed between the first and second driving transistors is connected to the first node. A second output node disposed between the third and fourth driving transistors is connected to the second node.

公开(公告)号：US11527722B2

公开(公告)日：2022-12-13

申请号：US17391613

申请日：2021-08-02

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu Kang ,  Minkyung Kim ,  Minho Park ,  Huiju Park ,  Dongkyu Lee ,  Jongwon Lee ,  Hyunshik Lee

IPC: H01L51/50 ,  H01L51/00

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode. The emission layer includes a first emission layer and a second emission layer. The first emission layer includes a first compound, and the second emission layer includes a second compound. The first compound includes at least one deuterium (D), and the second compound does not include deuterium. An electronic apparatus including the light-emitting device is also provided.

公开(公告)号：US10424735B2

公开(公告)日：2019-09-24

申请号：US15059323

申请日：2016-03-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Suhwan Lee ,  Muhyun Kim ,  Dongkyu Lee ,  Eunho Kim

IPC: H01L51/00 ,  C23C14/04 ,  H01L21/67 ,  C23C14/56 ,  H01L21/677 ,  H01L27/32 ,  H01L51/56

Abstract: An organic layer deposition apparatus, including a deposition unit including at least one deposition assembly spaced apart from a substrate, the at least one deposition assembly depositing a material on the substrate, the at least one deposition assembly including a deposition source that discharges a deposition material; a deposition source nozzle unit mounted on the deposition source, the deposition source nozzle unit having a deposition source nozzle formed therein; and a plurality of pattern sheets facing the deposition source nozzle unit and spaced apart from one another so that the deposition material is deposited on a plurality of different regions of the substrate via the plurality of pattern sheets.

公开(公告)号：US09905813B2

公开(公告)日：2018-02-27

申请号：US15164922

申请日：2016-05-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaesoo Ha ,  Minsoo Kim ,  Mugyeom Kim ,  Muhyun Kim ,  Dongkyu Lee ,  Byungkook Lee ,  Suhwan Lee ,  Yonggu Lee ,  Jaeyoung Cho ,  Valeriy Prushinskiy

IPC: H01L51/56 ,  H01L51/00 ,  H01L21/677 ,  H01L27/32 ,  B05B15/04 ,  B05B13/02 ,  H01L27/12

CPC classification number: H01L51/56 ,  B05B12/22 ,  B05B13/0221 ,  H01L21/67742 ,  H01L27/1214 ,  H01L27/3248 ,  H01L27/3262 ,  H01L51/001

Abstract: An organic layer depositing apparatus includes a deposition unit which includes one or more deposition assemblies spaced a predetermined distance apart from a substrate to deposit a deposition material on the substrate, wherein the one or more deposition assemblies include: a deposition source; a deposition source nozzle unit; a first pattern sheet which includes a first patterning unit and a first overlap unit; and a second pattern sheet which includes a second patterning unit and a second overlap unit, wherein the first and second pattern sheets are arranged such that the first and second overlap units overlap each other.

公开(公告)号：US12035621B2

公开(公告)日：2024-07-09

申请号：US17988899

申请日：2022-11-17

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu Kang ,  Minkyung Kim ,  Minho Park ,  Huiju Park ,  Dongkyu Lee ,  Jongwon Lee ,  Hyunshik Lee

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/12 ,  H10K50/15 ,  H10K85/30 ,  H10K101/10 ,  H10K101/40

CPC classification number: H10K85/633 ,  H10K85/342 ,  H10K85/346 ,  H10K85/348 ,  H10K85/622 ,  H10K85/623 ,  H10K85/624 ,  H10K85/626 ,  H10K85/636 ,  H10K85/654 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/11 ,  H10K50/12 ,  H10K50/15 ,  H10K2101/10 ,  H10K2101/40

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer disposed between the first electrode and the second electrode. The emission layer includes a first emission layer and a second emission layer. The first emission layer includes a first compound, and the second emission layer includes a second compound. The first compound includes at least one deuterium (D), and the second compound does not include deuterium. An electronic apparatus including the light-emitting device is also provided.

公开(公告)号：US12295253B2

公开(公告)日：2025-05-06

申请号：US17351073

申请日：2021-06-17

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu Kang ,  Minho Park ,  Dongkyu Lee ,  Jongwon Lee ,  Hyunshik Lee

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18 ,  H10K50/19 ,  H10K101/10 ,  H10K101/30

Abstract: A light-emitting device includes: a first electrode; a second electrode; m emission units between the first electrode and the second electrode; and m−1 charge generation layer(s), each located between two adjacent emission units, and including m−1 n-type charge generation layer(s) and m−1 p-type charge generation layer(s). The m emission units each include a hole transport region, an emission layer, and an electron transport region. A first hole transport region in a first emission unit closest to the first electrode may include a hole transfer layer and a hole injection layer and/or a hole transport layer. The hole transfer layer may be a single layer consisting of an electron-transporting compound including a phosphine oxide group (P═O), a phosphine sulfide group (P═S), a π electron-deficient nitrogen-containing C1-C60 cyclic group, or any combination thereof. A highest occupied molecular orbital (HOMO) energy level of the hole transfer layer may be about −6.0 eV to about −5.3 eV.

公开(公告)号：US11944002B2

公开(公告)日：2024-03-26

申请号：US17004558

申请日：2020-08-27

Applicant: Samsung Display Co., Ltd.

Inventor： Namsu Kang ,  Jin Kim ,  Dongkyu Lee ,  Hyunshik Lee ,  Jungho Choi ,  Jaehoon Hwang

IPC: H10K85/00 ,  H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/19 ,  H10K101/10 ,  H10K101/30

CPC classification number: H10K85/631 ,  H10K85/626 ,  H10K85/654 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/19 ,  H10K2101/10 ,  H10K2101/30

Abstract: The present application relates to an organic light-emitting device and a flat display apparatus including the same. An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; light-emitting units in the number of m between the first electrode and the second electrode; and charge generation layers in the number of m−1 respectively between each pair of adjacent light-emitting units among the light-emitting units in the number of m, each charge generation layer including an n-type charge generation layer and a p-type charge generation layer, wherein m is an integer of 3 or more, the light-emitting units in the number of m each include a hole transport region, an emission layer, and an electron transport region, which are sequentially stacked, electron transport regions in the number of m included in the light-emitting units in the number of m each include an electron transport material, and an electron transport material included in at least one electron transport region among the electron transport regions in the number of m is different from an electron transport material included in at least one electron transport region among the other electron transport regions.

公开(公告)号：US20170117475A1

公开(公告)日：2017-04-27

申请号：US15130061

申请日：2016-04-15

Applicant: Samsung Display Co., Ltd.

Inventor： Minsoo KIM ,  Mugyeom Kim ,  Valeriy Prushinskiy ,  Muhyun Kim ,  Dongkyu Lee ,  Byungkook Lee ,  Jaesoo Ha

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/56

CPC classification number: H01L51/0013 ,  C23C14/042 ,  C23C14/12 ,  C23C14/243 ,  C23C14/56 ,  H01L27/3211 ,  H01L51/56 ,  H01L2227/323

Abstract: An apparatus for depositing an organic layer includes a deposition unit including a deposition assembly spaced apart from a substrate. The deposition assembly includes a deposition source configured to heat a deposition material, a deposition source nozzle unit installed on the deposition source, a plurality of pattern sheets facing the deposition source nozzle unit, and a source shutter disposed between the deposition source and the plurality of pattern sheets. The deposition source nozzle unit includes a deposition nozzle. The plurality of pattern sheets include at least one of a plurality of first patterning slits and a plurality of second patterning slits. The source shutter is configured to allow the deposition material to pass through one of the plurality of pattern sheets depending on a relative location between the deposition source and the substrate.