公开(公告)号：US12256584B2

公开(公告)日：2025-03-18

申请号：US17546738

申请日：2021-12-09

Applicant: Samsung Display Co., LTD.

Inventor： Hae Yun Choi ,  Sung Kook Park ,  Sung Eun Baek ,  Jin Woo Choi

IPC: H01L27/15 ,  H01L33/38

Abstract: A display device includes a pixel, the pixel includes at least one light emitting element including a first end and a second end; a first electrode overlapping the at least one light emitting element and electrically connected to the first end of the at least one light emitting element; and a second electrode overlapping the at least one light emitting element and the first electrode and electrically connected to the second end of the at least one light emitting element, and the first electrode includes area electrodes divided according to a number and a position of area electrodes overlapping the at least one light emitting element.

公开(公告)号：US12148861B2

公开(公告)日：2024-11-19

申请号：US17718869

申请日：2022-04-12

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo Choi ,  Sung Kook Park ,  Sung Eun Baek ,  Byung Choon Yang ,  So Yeon Yoon

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/00 ,  H01L33/42 ,  H01L33/62

Abstract: A display device includes a pixel electrode disposed on a substrate and including a reflective electrode layer and an upper electrode layer, a contact electrode disposed on the pixel electrode, light-emitting elements disposed on the contact electrode and disposed perpendicular to the pixel electrode, a planarization layer disposed on the pixel electrode, the planarization layer filling a space between the light-emitting elements, and a common electrode disposed on the planarization layer and the light-emitting elements, and a size of the contact electrode is equal to a size of each of the light-emitting elements in a plan view, and the upper electrode layer is disposed on the reflective electrode layer and is in a polycrystalline phase.

公开(公告)号：US12191340B2

公开(公告)日：2025-01-07

申请号：US17558079

申请日：2021-12-21

Applicant: Samsung Display Co., LTD.

Inventor： Dae Ho Song ,  Sung Eun Baek ,  Ki Seong Seo ,  Byung Choon Yang ,  Tae Hee Lee ,  Byeong Hwa Choi

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/50 ,  H01L33/58 ,  H01L33/60 ,  H01L33/62

Abstract: A display device includes: a plurality of light emitting elements on a first substrate; a second substrate facing the first substrate; a partition wall on one surface of the second substrate facing the first substrate, and including a plurality of openings; a plurality of color filters in the plurality of openings; wavelength conversion layers on the plurality of color filters, respectively, and to convert wavelengths of light emitted from the plurality of light emitting elements; and an adhesive layer adhering the first substrate and the second substrate to each other. The partition wall includes a silicon single crystal.