公开(公告)号：US20240224756A1

公开(公告)日：2024-07-04

申请号：US18528449

申请日：2023-12-04

Applicant: LG Display Co., Ltd.

Inventor： Eun Young PARK ,  Yong Cheol KIM ,  Ju Won OH

IPC: H10K59/80 ,  H10K59/121 ,  H10K59/32 ,  H10K59/60

CPC classification number: H10K59/879 ,  H10K59/121 ,  H10K59/32 ,  H10K59/60

Abstract: A display device can include a first sub light-emitting element, a second sub light-emitting element and a third sub light-emitting element. The first sub light-emitting element includes a 1-1 hole transport layer, a 1-2 hole transport layer disposed on the 1-1 hole transport layer, and a first organic light-emitting layer disposed on the 1-2 hole transport layer. The second sub light-emitting element includes a 2-1 hole transport layer, a 2-2 hole transport layer disposed on the 2-1 hole transport layer, and a second organic light-emitting layer disposed on the 2-2 hole transport layer. The third sub light-emitting element includes a 3-1 hole transport layer, a 3-2 hole transport layer disposed on the 3-1 hole transport layer, and a third organic light-emitting layer disposed on the 3-2 hole transport layer.

公开(公告)号：US20240260325A1

公开(公告)日：2024-08-01

申请号：US18396659

申请日：2023-12-26

Applicant: LG Display Co., Ltd.

Inventor： Yong Cheol KIM ,  Mi Na KIM

IPC: H10K59/122 ,  H10K59/35 ,  H10K59/80

CPC classification number: H10K59/122 ,  H10K59/353 ,  H10K59/80518

Abstract: Disclosed is a light emitting display device including a substrate on which first to third sub-pixels are provided, and first to third light emitting devices that are respectively provided in the first to third sub-pixels to emit light of different wavelengths. The first to third light emitting devices each include first to third intermediate layers between a first electrode and a second electrode that face each other. The first to third intermediate layers include a red light emitting layer, a green light emitting layer, and a blue light emitting layer in order on the first electrode, in which the blue light emitting layer of the first intermediate layer has a vertical phase higher than those of the blue light emitting layers of the second and third intermediate layers.

公开(公告)号：US20240188345A1

公开(公告)日：2024-06-06

申请号：US18211063

申请日：2023-06-16

Applicant: LG Display Co., Ltd.

Inventor： Yong Cheol KIM ,  Eun Hyung LEE ,  Eun Young PARK

IPC: H10K59/124 ,  H10K59/122

CPC classification number: H10K59/124 ,  H10K59/122 ,  H10K59/352

Abstract: A display device can include a display panel having a first display area in which first pixels are disposed, and a second display area in which second pixels and a light-transmission area disposed between the second pixels are disposed, and a sensor disposed to correspond to the second display area. One of the second pixels includes sub-pixels. The display panel can include a circuit layer, a light emitting element layer disposed on the circuit layer, and an anti-reflection layer disposed between a planarization layer of the circuit layer and an anode electrode of the light emitting element layer. Further, a space is formed between an anode electrode of one sub-pixel and an anode electrode of another adjacent sub-pixel, and a path of light directed to the sensor through the space is changed by the anti-reflection layer. Accordingly, the display device can minimize the amount of light reaching the sensor.