公开(公告)号：US12016210B2

公开(公告)日：2024-06-18

申请号：US17705107

申请日：2022-03-25

Applicant: Samsung Display Co., Ltd.

Inventor： Kyoungju Shin ,  Seohee Ha ,  Jahyun Im

IPC: H10K59/122 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K59/124 ,  H10K59/35 ,  H10K59/84 ,  H10K59/88 ,  H10K71/00 ,  H10K59/12 ,  H10K59/121

CPC classification number: H10K59/124 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K59/122 ,  H10K59/353 ,  H10K59/84 ,  H10K59/88 ,  H10K71/00 ,  H10K59/1201 ,  H10K59/121 ,  H10K59/352

Abstract: An OLED device may include the following elements: a common electrode; a first pixel electrode overlapping the common electrode; a first emission layer positioned between the first pixel electrode and the common electrode; a second pixel electrode; a second emission layer positioned between the second pixel electrode and the common electrode; and a pixel defining layer including a first opening, a second opening, a first flat face, and an uneven surface structure, wherein the first opening partially exposes the first pixel electrode, wherein the second opening partially exposes the second pixel electrode, wherein the first flat face may be opposite the uneven surface and may be positioned between the first pixel electrode to the second electrode, and wherein the uneven surface may be positioned between the first opening and the second opening.

公开(公告)号：US11315994B2

公开(公告)日：2022-04-26

申请号：US16727798

申请日：2019-12-26

Applicant: Samsung Display Co., Ltd.

Inventor： Kyoungju Shin ,  Seohee Ha ,  Jahyun Im

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/56

Abstract: An OLED device may include the following elements: a common electrode; a first pixel electrode overlapping the common electrode; a first emission layer positioned between the first pixel electrode and the common electrode; a second pixel electrode; a second emission layer positioned between the second pixel electrode and the common electrode; and a pixel defining layer including a first opening, a second opening, a first flat face, and an uneven surface structure, wherein the first opening partially exposes the first pixel electrode, wherein the second opening partially exposes the second pixel electrode, wherein the first flat face may be opposite the uneven surface and may be positioned between the first pixel electrode to the second electrode, and wherein the uneven surface may be positioned between the first opening and the second opening.