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公开(公告)号：US20230006163A1
公开(公告)日：2023-01-05
申请号：US17931285
申请日：2022-09-12
Applicant: Samsung Display Co., Ltd.
Inventor： Jaeik KIM , Jaesik KIM , Yeonhwa LEE , Joongu LEE , Sehoon JEONG , Jiyoung CHOUNG
Abstract: An organic light-emitting display apparatus and a manufacturing method thereof have improved process stability and reliability by reducing damage to the organic light-emitting display apparatus during a manufacturing process. The organic light-emitting display apparatus includes: a substrate, a plurality of pixel electrodes, a pixel defining film, a plurality of hole control layers respectively arranged on the pixel electrodes, a plurality of emission layers respectively arranged on the hole control layers, a plurality of buffer layers respectively arranged on the emission layers, each of the buffer layers having a highest occupied molecular orbital (HOMO) energy level greater than the HOMO energy level of each of the plurality of emission layers, and an opposite electrode integrally provided over the buffer layers.
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公开(公告)号：US20210217998A1
公开(公告)日：2021-07-15
申请号：US17250662
申请日：2019-01-25
Applicant: Samsung Display Co., Ltd.
Inventor： Ji-hee SON , Sungchul KIM , Jiyoung CHOUNG
Abstract: A method of manufacturing a display apparatus includes: forming a first lower lift-off layer, a first upper lift-off layer, and a first photoresist layer on a substrate on which a first pixel electrode is formed; forming a first masking layer including a first photoresist pattern, a first upper lift-off pattern, and a first lower lift-off pattern, which expose the first pixel electrode, by partially removing the first photoresist layer, the first upper lift-off layer, and the first lower lift-off layer; forming a first light emitting layer and a first counter electrode on the first pixel electrode by using the first masking layer; forming a first passivation layer on the first counter electrode; and removing the first masking layer.
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公开(公告)号：US20200343321A1
公开(公告)日：2020-10-29
申请号：US16854773
申请日：2020-04-21
Applicant: Samsung Display Co., Ltd.
Inventor： Jaesik KIM , Joongu LEE , Jaeik KIM , Yeonhwa LEE , Chanho MOON , Sehoon JEONG , Jiyoung CHOUNG
Abstract: A display apparatus includes: a first substrate and a display unit. The display unit includes a display region and a transmissive region. The display unit further includes: an auxiliary layer disposed in correspondence with the transmissive region; and a second electrode disposed in correspondence with the display region and at least a portion of the transmissive region. The auxiliary layer includes a first material, the second electrode includes a second material, and the first material and the second material each satisfy Equation 1 below: ST2−ST1>0 mJ/m2, wherein, in Equation 1, ST1 is a surface energy of the first material at 25° C., and ST2 is a surface energy of the second material at 25° C.
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公开(公告)号：US20200295300A1
公开(公告)日：2020-09-17
申请号：US16688784
申请日：2019-11-19
Applicant: Samsung Display Co., Ltd.
Inventor： Jinkoo CHUNG , Beohmrock CHOI , Jiyoung CHOUNG
Abstract: A display apparatus including a substrate including a display area and a sensor area, the sensor area including a transmission portion that transmits light, a plurality of first display devices arranged in the display area, a display device group including a plurality of second display devices, the display device group being arranged in the sensor area, and a passivation layer covering the display device group and having a first hole corresponding to the transmission portion.
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Patent Agency Ranking
公开(公告)号：US20190326535A1
公开(公告)日：2019-10-24
申请号：US16363813
申请日：2019-03-25
Applicant: Samsung Display Co., Ltd.
Inventor： Jaeik KIM , Jaesik KIM , Yeonhwa LEE , Joongu LEE , Sehoon JEONG , Jiyoung CHOUNG
Abstract: An organic light-emitting display apparatus and a manufacturing method thereof have improved process stability and reliability by reducing damage to the organic light-emitting display apparatus during a manufacturing process. The organic light-emitting display apparatus includes: a substrate, a plurality of pixel electrodes, a pixel defining film, a plurality of hole control layers respectively arranged on the pixel electrodes, a plurality of emission layers respectively arranged on the hole control layers, a plurality of buffer layers respectively arranged on the emission layers, each of the buffer layers having a highest occupied molecular orbital (HOMO) energy level greater than the HOMO energy level of each of the plurality of emission layers, and an opposite electrode integrally provided over the buffer layers.
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公开(公告)号：US20190189972A1
公开(公告)日：2019-06-20
申请号：US16031246
申请日：2018-07-10
Applicant: Samsung Display Co., Ltd.
Inventor： Younggil KWON , Jiyoung CHOUNG
Abstract: A method of manufacturing a display device includes forming a pixel-defining layer including an opening corresponding to a pixel electrode and a bank defining the opening, forming a first non-photosensitive layer on the pixel-defining layer, forming a temporary layer including a second non-photosensitive material different from a material of the first non-photosensitive layer on a portion of the first non-photosensitive layer, forming an inorganic material layer on the first non-photosensitive layer using the temporary layer such that the inorganic material layer includes a first open region corresponding to the opening, forming a second open region overlapping the first open region in the first non-photosensitive layer, wherein a width of the second open region is greater than a width of the first open region, and forming an intermediate layer on the pixel electrode by using the first non-photosensitive layer and the inorganic material layer as a template.
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公开(公告)号：US20190157615A1
公开(公告)日：2019-05-23
申请号：US16260116
申请日：2019-01-29
Applicant: Samsung Display Co., Ltd.
Inventor： Jungsun PARK , Hyunsung BANG , Duckjung LEE , Jiyoung CHOUNG , Arong KIM
CPC classification number: H01L51/5253 , H01L27/3246 , H01L51/5225 , H01L51/5228
Abstract: A method of manufacturing an organic light-emitting display apparatus includes: forming a pixel electrode on a substrate; forming a pixel-defining layer (PDL) having an opening exposing at least a part of the pixel electrode; forming an intermediate layer including a central portion disposed on the pixel electrode, an edge portion that extends from the central portion and contacts the PDL, at least one common layer, and an organic emission layer; forming a protective layer including a central portion disposed on the central portion of the intermediate layer and an edge portion that extends from the central portion of the protective layer and contacts the PDL; and forming an opposite electrode on the PDL, the opposite electrode having an opening exposing at least a part of the protective layer and electrically connected to the protective layer.
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公开(公告)号：US20170373132A1
公开(公告)日：2017-12-28
申请号：US15245881
申请日：2016-08-24
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jiyoung CHOUNG
CPC classification number: H01L27/3279 , H01L27/3216 , H01L27/3218 , H01L51/5225 , H01L51/5228
Abstract: An organic light-emitting display device includes a substrate including a display area and a peripheral area surrounding the display area. The display area includes a plurality of pixel regions including a plurality of pixels including pixel electrodes and non-pixel regions between the pixel regions. The pixel electrodes are spaced apart from each other, with a pixel-defining layer above the plurality of pixel electrodes and exposing the plurality of pixel electrodes. A plurality of intermediate layers respectively above the plurality of pixel electrodes include an emission layer. A plurality of opposite electrodes respectively face the plurality of pixel electrodes and are spaced apart from each other. A plurality of connection electrodes that connect the plurality of opposite electrodes are in the non-pixel regions. A power line electrically connected to at least one of the plurality of connection electrodes is in the peripheral area.
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公开(公告)号：US20160079537A1
公开(公告)日：2016-03-17
申请号：US14630679
申请日：2015-02-25
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Joongu LEE , Yeonhwa LEE , Jinbaek CHOI , Jiyoung CHOUNG
CPC classification number: H01L51/0013 , H01L27/3211 , H01L27/3246 , H01L51/5012 , H01L51/56
Abstract: A method of manufacturing an organic light-emitting display apparatus includes preparing a substrate with a plurality of pixel electrodes, preparing a donor mask, such that the donor mask includes a base substrate, a light-thermal conversion layer on the base substrate, and a reflective layer between the base substrate and the light-thermal conversion layer and having through-holes, depositing a transfer layer on the light-thermal conversion layer of the donor mask, aligning the substrate and the donor mask, preheating at least a portion of the donor mask or the transfer layer, and irradiating a light source toward the preheated portion of the donor mask or the transfer layer, such that a portion of the transfer layer is transferred from the donor mask to the pixel electrodes of the substrate, the transferred portion of the transfer layer corresponding to the through holes in the reflective layer.
Abstract translation: 一种制造有机发光显示装置的方法包括制备具有多个像素电极的基板，制备施主掩模，使得施主掩模包括基底基板，在基底基板上的光热转换层和 在基底基板和光热转换层之间并具有通孔的反射层，在施主掩模的光热转换层上沉积转移层，对准衬底和施主掩模，预热至少部分 施主掩模或转印层，并且将光源朝向施主掩模或转印层的预热部分照射，使得转印层的一部分从施主掩模转印到基板的像素电极，转印部分 对应于反射层中的通孔的转印层。
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