公开(公告)号：US20200212275A1

公开(公告)日：2020-07-02

申请号：US16716388

申请日：2019-12-16

Applicant: LG Display Co., Ltd.

Inventor： Mingeun CHOI ,  KeumKyu MIN ,  Soyoung JO ,  Yonghoon CHOI

IPC: H01L33/58 ,  H01L33/38 ,  H01L25/075 ,  H01L33/50

Abstract: A light emitting display apparatus is disclosed, which can improve light extraction efficiency of light emitted from a light emitting diode. The light emitting display apparatus comprises a substrate including a plurality of pixel areas having an opening area, an uneven portion arranged in the opening area, and a light emitting diode arranged over the uneven portion, the uneven portion may have roughness average value of about 0.19 to about 0.29 for a unit size.

公开(公告)号：US20200185655A1

公开(公告)日：2020-06-11

申请号：US16704806

申请日：2019-12-05

Applicant: LG Display Co., Ltd.

Inventor： Soyoung JO ,  Sookang KIM ,  KeumKyu MIN ,  HeeJung YANG ,  Mingeun CHOI

IPC: H01L51/52

Abstract: A light emitting display apparatus is disclosed, which can improve visual characteristic of a black image in accordance with reduction of diffuse reflectance while improving light emission efficiency of light emitted from a light emitting diode. The light emitting display apparatus comprises a substrate including a plurality of pixel areas, a light emission pattern arranged in each of the plurality of pixel areas, a light emitting device layer arranged over the light emission pattern, and a selective wavelength absorbing member overlapped with at least one of the plurality of pixel areas, wherein the selective wavelength absorbing member may reduce transmittance of light of a long wavelength, which is incident.

公开(公告)号：US20240423048A1

公开(公告)日：2024-12-19

申请号：US18820065

申请日：2024-08-29

Applicant: LG Display Co., Ltd.

Inventor： Yonghoon CHOI ,  KeumKyu MIN ,  Mingeun CHOI

IPC: H10K59/131 ,  H10K50/842 ,  H10K59/121

Abstract: A light emitting display apparatus includes a substrate configured to include a display area with a plurality of pixel areas, and a non-display area surrounding the display area, and a planarization layer disposed at the display area and partially at the non-display area. The planarization layer is configured to include an uneven pattern portion disposed at the non-display area, and the uneven pattern portion is configured to include a plurality of concave portions.

公开(公告)号：US20220069053A1

公开(公告)日：2022-03-03

申请号：US17410372

申请日：2021-08-24

Applicant: LG Display Co., Ltd.

Inventor： Yonghoon CHOI ,  KeumKyu MIN ,  Mingeun CHOI

IPC: H01L27/32 ,  H01L51/52

Abstract: A light emitting display apparatus includes a substrate configured to include a display area with a plurality of pixel areas, and a non-display area surrounding the display area, and a planarization layer disposed at the display area and partially at the non-display area. The planarization layer is configured to include an uneven pattern portion disposed at the non-display area, and the uneven pattern portion is configured to include a plurality of concave portions.