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公开(公告)号：US11823624B2
公开(公告)日：2023-11-21
申请号：US17964893
申请日：2022-10-12
Applicant: Samsung Display Co., LTD.
Inventor： Kyoungjin Park , Jongwon Park
IPC: G06F1/32 , G09G3/3233 , G09G3/32 , G09G3/3266
CPC classification number: G09G3/3233 , G09G3/32 , G09G3/3266 , G09G2300/0842 , G09G2310/061 , G09G2320/0233
Abstract: A pixel includes a light emitting element, a driving transistor configured to control a driving current provided to the light emitting element, and an initialization transistor configured to provide a first initialization voltage to a gate of the driving transistor, and turned on in response to an initialization gate signal. A voltage level of the first initialization voltage in a blank period of a low-frequency driving mode is higher than a voltage level of the first initialization voltage in the blank period of a high-frequency driving mode.
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公开(公告)号：US11640793B2
公开(公告)日：2023-05-02
申请号：US17400589
申请日：2021-08-12
Applicant: Samsung Display Co., Ltd.
Inventor： Sungjin Kim , Jongwon Park , Myeonghee Seo , Huigyeong Yun , Seung-Kyu Lee , Younguk Hwang
IPC: G09G3/3266 , G09G3/3233 , G09G3/3275
Abstract: A display device may include a display panel including a plurality of pixels, a data driver which applies data signals to the display panel, a scan driver including scan stages, which sequentially applies scan signals to the display panel, an emission driver including an emission stage which sequentially applies emission signals to the display panel, and a power supply voltage generator which generates a power supply voltage including high voltages and low voltages, and provides the high voltages having different voltage levels from each other or the low voltages having different voltage levels from each other to at least one selected from the scan stages and the emission stage. The power supply voltage generator generates a first high voltage, a first low voltage, a second high voltage lower than the first high voltage, and a second low voltage higher than the first low voltage based on an input voltage.
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公开(公告)号：US12087229B2
公开(公告)日：2024-09-10
申请号：US18136458
申请日：2023-04-19
Applicant: Samsung Display Co., Ltd.
Inventor： Sungjin Kim , Jongwon Park , Myeonghee Seo , Huigyeong Yun , Seung-Kyu Lee , Younguk Hwang
IPC: G09G3/3266 , G09G3/3233 , G09G3/3275
CPC classification number: G09G3/3266 , G09G3/3233 , G09G3/3275 , G09G2300/0842 , G09G2310/0213 , G09G2310/08 , G09G2330/021 , G09G2330/028
Abstract: A display device may include a display panel including a plurality of pixels, a data driver which applies data signals to the display panel, a scan driver including scan stages, which sequentially applies scan signals to the display panel, an emission driver including an emission stage which sequentially applies emission signals to the display panel, and a power supply voltage generator which generates a power supply voltage including high voltages and low voltages, and provides the high voltages having different voltage levels from each other or the low voltages having different voltage levels from each other to at least one selected from the scan stages and the emission stage. The power supply voltage generator generates a first high voltage, a first low voltage, a second high voltage lower than the first high voltage, and a second low voltage higher than the first low voltage based on an input voltage.
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公开(公告)号：US11569448B2
公开(公告)日：2023-01-31
申请号：US16277758
申请日：2019-02-15
Applicant: Samsung Display Co., Ltd.
Inventor： Dongwoo Shin , Dukki Kim , Sehun Kim , Jaeyun Kim , Jongwon Park , Seungmook Lee , Jaekook Ha , Naoyuki Ito
IPC: H01L51/54 , H01L51/00 , H01L51/05 , H01L51/50 , C08F112/34
Abstract: Provided is a cross-linkable arylamine-based compound represented by Formula 1a or 1b, a polymer obtained therefrom, a light-emitting device including the polymer, and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode; a second electrode facing the first electrode; and an intermediate layer between the first electrode and the second electrode and comprising an emission layer, wherein the intermediate layer includes at least one of the arylamine-based polymer formed by cross-linking a cross-linkable arylamine-based compound represented by Formula 1a or 1b.
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公开(公告)号：US10453901B2
公开(公告)日：2019-10-22
申请号：US15944636
申请日：2018-04-03
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunwoong Kim , Seungkyu Lee , Wonkyu Kwak , Jongwon Park
Abstract: A display device and a method of manufacturing the display device are provided. A display device includes: a plurality of first emission areas and a plurality of second emission areas alternately arranged at centers of virtual quadrangles aligned adjacent to each other in a row direction and a column direction; and a plurality of third areas respectively arranged at vertexes of the virtual quadrangles, and a difference between planar areas of the first to third emission areas is less than 25% of a largest planar area among the planar areas of the first to third emission areas.
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Patent Agency Ranking
公开(公告)号：US20190074329A1
公开(公告)日：2019-03-07
申请号：US15944636
申请日：2018-04-03
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunwoong Kim , Seungkyu Lee , Wonkyu Kwak , Jongwon Park
CPC classification number: H01L27/3216 , H01L27/3213 , H01L27/3218 , H01L27/3246 , H01L27/326 , H01L27/3262 , H01L27/3276 , H01L27/3283 , H01L51/525
Abstract: A display device and a method of manufacturing the display device are provided. A display device includes: a plurality of first emission areas and a plurality of second emission areas alternately arranged at centers of virtual quadrangles aligned adjacent to each other in a row direction and a column direction; and a plurality of third areas respectively arranged at vertexes of the virtual quadrangles, and a difference between planar areas of the first to third emission areas is less than 25% of a largest planar area among the planar areas of the first to third emission areas.
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公开(公告)号：US11468841B2
公开(公告)日：2022-10-11
申请号：US17146303
申请日：2021-01-11
Applicant: Samsung Display Co., Ltd.
Inventor： Minwoo Byun , Jongwon Park
IPC: G09G3/3258 , G09G5/10
Abstract: An emission control driver includes: a plurality of stages having: a first circuit portion configured to generate a first control signal at a first node and a second control signal at a second node; a second circuit portion configured to control a voltage level of the first control signal; a third circuit portion configured to generate a third control signal based on the first control signal, the second control signal, and the second clock signal; a first output transistor configured to output a first voltage as the emission control signal in response to the first control signal; and a second output transistor configured to output a second voltage as the emission control signal, and wherein the third circuit portion comprises a first capacitor configured to maintain a substantially constant voltage between both electrodes while each of the plurality of stages outputs the emission control signal.
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公开(公告)号：US20190393275A1
公开(公告)日：2019-12-26
申请号：US16562987
申请日：2019-09-06
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunwoong Kim , Seungkyu Lee , Wonkyu Kwak , Jongwon Park
Abstract: A display device and a method of manufacturing the display device are provided. A display device includes: a plurality of first emission areas and a plurality of second emission areas alternately arranged at centers of virtual quadrangles aligned adjacent to each other in a row direction and a column direction; and a plurality of third areas respectively arranged at vertexes of the virtual quadrangles, and a difference between planar areas of the first to third emission areas is less than 25% of a largest planar area among the planar areas of the first to third emission areas.
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公开(公告)号：US11453628B2
公开(公告)日：2022-09-27
申请号：US16518917
申请日：2019-07-22
Applicant: Samsung Display Co., Ltd.
Inventor： Sehun Kim , Eungdo Kim , Eunju Nam , Seunguk Noh , Jongwon Park , Hyunwoo Lee , Jaekook Ha
IPC: C07C13/58 , H01L51/00 , C07D209/94 , C07D307/91 , C07D333/76 , C07C43/263 , C07D403/04 , C07D471/04 , C07D491/048 , C07D495/04 , C07D403/14 , H01L51/50 , C07C13/66
Abstract: Provided are a condensed cyclic compound, a composition including the same, and an organic light-emitting device including a thin film formed from the composition. The condensed cyclic compound is represented by following Formula, has a molecular weight of about 400 to about 10,000, and comprises at least one cross-linkable group:
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公开(公告)号：US10804467B2
公开(公告)日：2020-10-13
申请号：US15721332
申请日：2017-09-29
Applicant: Samsung Display Co., Ltd.
Inventor： Sehun Kim , Jongwon Park , Jaekook Ha , Jaehong Kim , Seunguk Noh
Abstract: A method of manufacturing an organic light-emitting device by using a solution process is provided. The method entails forming a first organic layer between a first electrode and a second electrode, and forming a second organic layer between the first organic layer and the second electrode. The forming of the first organic layer comprises performing a solution process using a composition comprising a first compound, a second compound, and a solvent. The forming of the second organic layer comprises depositing a third compound on the first organic layer. An absolute value of a difference between a relative polarity of the first compound and a relative polarity of the solvent is about 0.03 or less.
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