公开(公告)号：US20220223772A1

公开(公告)日：2022-07-14

申请号：US17445801

申请日：2021-08-24

Applicant: Samsung Display Co., Ltd.

Inventor： Chang Hee LEE ,  Young Il KIM ,  Hyo Jin KO ,  Dong Hoon KWAK ,  Dong Uk KIM ,  Se Hun KIM ,  Ji Yoon KIM

IPC: H01L33/62 ,  H01L25/075 ,  H01L27/12 ,  H01L33/00 ,  H01L33/24

Abstract: A light emitting diode includes: a first semiconductor layer; an active layer located on one surface of the first semiconductor layer; a second semiconductor layer located on one surface of the active layer; an electrode layer located on one surface of the second semiconductor layer; and a bonding electrode layer located on the other surface of the first semiconductor layer.

公开(公告)号：US20220165786A1

公开(公告)日：2022-05-26

申请号：US17454459

申请日：2021-11-10

Applicant: Samsung Display Co., Ltd.

Inventor： Se Hun KIM ,  Chang Hee LEE ,  Jae Kook HA ,  In Pyo KIM ,  Jun Bo SIM ,  Hyo Jin KO ,  Chan Woo JOO ,  Na Mi HONG

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44

Abstract: A method of manufacturing a light emitting element includes: forming a plurality of light emitting patterns on a stack substrate; forming a polysilazane layer on the plurality of light emitting patterns; forming a first insulating film by curing the polysilazane layer; and forming a second insulating film on the first insulating film. The forming of the first insulating film includes photocuring the polysilazane layer by irradiating ultraviolet rays onto the polysilazane layer. The forming of the plurality of light emitting patterns includes: forming a light emitting stack structure on the stack substrate; and etching the light emitting stack structure.

公开(公告)号：US20220158039A1

公开(公告)日：2022-05-19

申请号：US17350949

申请日：2021-06-17

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Bo SIM ,  Chang Hee LEE ,  Yun Hyuk KO ,  Sang Ho JEON ,  Jae Kook HA

IPC: H01L33/44 ,  H01L33/00 ,  H01L25/075 ,  H01L25/16 ,  H01L33/62

Abstract: A light emitting element includes: a light emitting stack pattern including a first semiconductor layer, an active layer, and a second semiconductor layer that are sequentially stacked along one direction; and an insulating film surrounding an outer surface of at least one of the first semiconductor layer, the active layer, and the second semiconductor layer. The insulating film including a zinc oxide (ZnO) thin film layer.

公开(公告)号：US20220093817A1

公开(公告)日：2022-03-24

申请号：US17476993

申请日：2021-09-16

Applicant: Samsung Display Co., LTD.

Inventor： Hyo Jin KO ,  Duk Ki KIM ,  Yong Hwi KIM ,  Jun Bo SIM ,  Na Mi HONG ,  Jong Hyuk KANG ,  Gyu Bong KIM ,  Hoi Lim KIM ,  Sae Na YUN ,  Chang Hee LEE ,  Hyun Deok IM ,  Eun A CHO ,  Jae Kook HA

IPC: H01L33/00 ,  H01L27/15 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  B82B3/00 ,  C09D11/52 ,  C09D11/50 ,  C09D11/033

Abstract: An ink includes a solvent, and light-emitting elements dispersed in the solvent, each of the light-emitting elements comprising semiconductor layers and an insulating film partially surrounding outer surfaces of the semiconductor layers, wherein the solvent has Hansen solubility parameters of a polarity parameter between about 4 and about 9 and a hydrogen bonding parameter between about 6 and about 11.