公开(公告)号：US20210358393A1

公开(公告)日：2021-11-18

申请号：US17277264

申请日：2019-07-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sin Chul KANG ,  Won Sik OH ,  Yo Han LEE ,  Hee Keun LEE ,  Hyun Min CHO

IPC: G09G3/32 ,  H01L33/62 ,  H01L25/075 ,  H01L33/00

Abstract: A method for manufacturing a display device including a substrate including a display area and a non-display area located outside the display area, the display area including pixel areas, is provided. First switching elements are formed in the pixel areas, respectively, and a circuit element layer that includes reference voltage wire in the non-display area and electrically connected to the first switching elements is formed. Pixel electrodes that include first pixel electrodes in the pixel areas on the circuit element layer, respectively, and electrically connected through the first switching elements to the reference voltage wire, and second pixel electrodes facing the first pixel electrodes, are formed. A plurality of light emitting elements are arranged between the first pixel electrodes and the second pixel electrodes. A first source voltage is applied to the reference voltage wire and a second source voltage is applied to the second pixel electrodes

公开(公告)号：US20210343894A1

公开(公告)日：2021-11-04

申请号：US17377266

申请日：2021-07-15

Applicant: Samsung Display Co. Ltd.

Inventor： Jung Hong MIN ,  Dae Hyun KIM ,  Hyun Min CHO ,  Jong Hyuk KANG ,  Dong Uk KIM ,  Seung A LEE ,  Hyun Deok IM ,  Hyung Rae CHA

IPC: H01L33/00 ,  H01L33/30

Abstract: Provided is a method of manufacturing a light-emitting element, the method including positioning a substrate, forming a first separation layer, which includes a first sacrificial layer, an etching control layer on the first sacrificial layer, and a second sacrificial layer on the etching control layer, on the substrate, forming at least one first light-emitting element on the first separation layer, and separating the first light-emitting element from the substrate.

公开(公告)号：US20210320231A1

公开(公告)日：2021-10-14

申请号：US17263871

申请日：2019-01-30

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Uk KIM ,  Je Won YOO ,  Hyun Min CHO ,  Jung Hong MIN

IPC: H01L33/50 ,  H01L25/16

Abstract: A light emitting device may include: a substrate; a light emitting element located on the substrate and configured to emit light; a first electrode and a second electrode spaced from each other with the light emitting element interposed therebetween; a color conversion layer located on the substrate and configured to convert light emitted from the light emitting element into light having a specific color; a first contact electrode configured to electrically couple the first electrode with a first end of the light emitting element; and a second contact electrode configured to electrically couple the second electrode with a second end of the light emitting element. In a plan view, the color conversion layer may be spaced from the light emitting element and overlaps with at least one of the first and the second contact electrodes.

公开(公告)号：US20210091255A1

公开(公告)日：2021-03-25

申请号：US17110574

申请日：2020-12-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Hong MIN ,  Dae Hyun KIM ,  Seung A LEE ,  Hyun Min CHO ,  Jong Hyuk KANG ,  Dong Uk KIM ,  Hyun Deok IM ,  Hyung Rae CHA

IPC: H01L33/00 ,  H01L27/15 ,  H01L33/32 ,  H01L21/302

Abstract: A light emitting element, a method of manufacturing a light emitting element, and a display device including a light emitting element are provided. A method of manufacturing a light emitting element includes: preparing a lower panel including a substrate and a first sub conductive semiconductor layer on the substrate; forming a first mask layer including at least one mask pattern on at least a part of the lower panel to be spaced apart from each other and an opening region in which the mask patterns are spaced apart from each other; laminating a first conductive semiconductor layer, an active material layer, and a second conductive semiconductor layer on the first mask layer to form an element laminate; etching the element laminate in a vertical direction to form an element rod; and removing the mask pattern to separate the element rod from the lower panel.

公开(公告)号：US20210057504A1

公开(公告)日：2021-02-25

申请号：US16894953

申请日：2020-06-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyeong Su KO ,  Joon Yong PARK ,  Gyung Min BAEK ,  Hyun Min CHO ,  Dae Won CHOI

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52

Abstract: An organic light emitting diode display including: a substrate; a TFT on the substrate; a planarization layer on the TFT; a pixel electrode on the planarization layer, wherein the pixel electrode includes upper and lower layers including a transparent conductive oxide and an intermediate layer including silver; an etch stop layer on the pixel electrode, wherein an upper surface of the pixel electrode is exposed by the etch stop layer; a partition on the etch stop layer, wherein the upper surface of the pixel electrode is exposed by the partition; an organic emission layer on the upper surface of the pixel electrode where the upper surface of the pixel electrode is exposed by the etch stop layer and the partition; and a common electrode on the organic emission layer and the partition, wherein the etch stop layer covers an edge and a side surface of the pixel electrode.

公开(公告)号：US20200075707A1

公开(公告)日：2020-03-05

申请号：US16409991

申请日：2019-05-13

Applicant: Samsung Display Co., Ltd.

Inventor： Kyeong Su KO ,  Joon Geol LEE ,  Shin Il CHOI ,  Sang Gab KIM ,  Hyun Min CHO ,  Hyun Eok SHIN

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/00 ,  H01L51/05

Abstract: An OLED display according to an exemplary embodiment includes: a substrate; a gate insulation layer that is disposed on the substrate; and a gate wire that is disposed on the gate insulation layer, and includes a gate electrode, wherein the gate wire includes a single layer of aluminum or an aluminum alloy, and an angle formed by side surfaces of the gate wire and the gate insulation layer is less than 65°.

公开(公告)号：US20200058727A1

公开(公告)日：2020-02-20

申请号：US16521394

申请日：2019-07-24

Applicant: Samsung Display Co., Ltd. ,  POSTECH ACADEMY-INDUSTRY FOUNDATION

Inventor： Sang Gab KIM ,  Hyun Min CHO ,  Tae Sung KIM ,  Yu-Gwang JEONG ,  Su Bin BAE ,  Jin Seock KIM ,  Sang Gyun KIM ,  Hyo Min KO ,  Kil Won CHO ,  Han Sol LEE

IPC: H01L27/32

Abstract: An manufacturing method of a display device may include the following steps: forming a transistor on a substrate; forming an insulating layer on the transistor; forming a conductive layer including silver on the insulating layer; forming a photosensitive member on the conductive layer; forming an electrode of a light-emitting element by etching the conductive layer; performing plasma treatment on a structure that comprises the electrode, the plasma treatment using a gas including a halogen; and removing a product that is resulted from the plasma treatment.

公开(公告)号：US20190378953A1

公开(公告)日：2019-12-12

申请号：US16274109

申请日：2019-02-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Hong MIN ,  Dae Hyun KIM ,  Seung A LEE ,  Hyun Min CHO ,  Jong Hyuk KANG ,  Dong Uk KIM ,  Hyun Deok IM ,  Hyung Rae CHA

IPC: H01L33/00 ,  H01L33/32 ,  H01L27/15

Abstract: A light emitting element, a method of manufacturing a light emitting element, and a display device including a light emitting element are provided. A method of manufacturing a light emitting element includes: preparing a lower panel including a substrate and a first sub conductive semiconductor layer on the substrate; forming a first mask layer including at least one mask pattern on at least a part of the lower panel to be spaced apart from each other and an opening region in which the mask patterns are spaced apart from each other; laminating a first conductive semiconductor layer, an active material layer, and a second conductive semiconductor layer on the first mask layer to form an element laminate; etching the element laminate in a vertical direction to form an element rod; and removing the mask pattern to separate the element rod from the lower panel.

公开(公告)号：US20190245005A1

公开(公告)日：2019-08-08

申请号：US16389200

申请日：2019-04-19

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hyuk KANG ,  Hyun Min CHO ,  Dae Hyun KIM ,  Joo Yeol LEE ,  Hyun Deok IM

IPC: H01L27/15 ,  F21K9/68 ,  H01L33/40 ,  H01L25/075 ,  H01L33/00

CPC classification number: H01L27/15 ,  F21K9/68 ,  H01L25/0753 ,  H01L33/005 ,  H01L33/405 ,  H01L33/60 ,  H01L33/62

Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.

公开(公告)号：US20190244559A1

公开(公告)日：2019-08-08

申请号：US16191306

申请日：2018-11-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min CHO ,  Sung Chul KIM ,  Hye Yong CHU ,  Jong Hyuk KANG ,  Dae Hyun KIM ,  Keun Kyu SONG ,  Hyun Deok IM

IPC: G09G3/32

Abstract: A display device includes a plurality of data lines to supply data voltages, a plurality of scan lines to supply scan signals, and a first pixel connected to at least one of the plurality of data lines, and connected to at least one of the plurality of scan lines, the first pixel including a first light-emitting diode of a first color, in which an anode is connected to a first node and a cathode is connected to a reference voltage line, and a second light-emitting diode of a second color that is different from the first color, in which an anode is connected to the reference voltage line, and a cathode is connected to the first node.