公开(公告)号：US11195471B2

公开(公告)日：2021-12-07

申请号：US17082840

申请日：2020-10-28

Applicant: LG Display Co., Ltd.

Inventor： Eunil Cho ,  Sul Lee ,  JeongHyeon Choi

IPC: G09G3/3258 ,  G09G3/3266 ,  G09G3/3275

Abstract: A display device is provided. The display device includes a light emitting display panel. The display panel includes a plurality of pixels. Each of the pixels include a first, second, third, and fourth pixel circuit layers and a light emitting device layer. Each of the layers are sequentially mounted on each other from the first pixel circuit layer to the light emitting device layer. The first pixel circuit layer includes a first pixel circuit configuring a pixel driving circuit. The second pixel circuit layer includes a second pixel circuit configuring the pixel driving circuit. The third pixel circuit layer includes a third pixel circuit configuring the pixel driving circuit. The fourth pixel circuit layer includes a fourth pixel circuit configuring the pixel driving circuit. The light emitting device layer includes a light emitting device electrically connected to the fourth pixel circuit.

公开(公告)号：US11139343B2

公开(公告)日：2021-10-05

申请号：US16688254

申请日：2019-11-19

Applicant: LG DISPLAY CO., LTD.

Inventor： Eunil Cho ,  Howon Choi ,  YongBaek Lee

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: A display device includes a substrate provided with a first subpixel and a second subpixel; a first electrode provided on the substrate, including a first sub electrode provided on the first subpixel and a second sub electrode provided on the second subpixel; a transparent electrode including a first transparent electrode provided to cover the first sub electrode and a second transparent electrode provided to cover the second sub electrode; an organic light emitting layer including a first organic light emitting layer arranged on the first transparent electrode and a second organic light emitting layer arranged on the second transparent electrode; a second electrode arranged on the organic light emitting layer; a first bank provided between the first transparent electrode and the second transparent electrode to partition the first subpixel and the second subpixel from each other; and a first color filter arranged to correspond to the first subpixel.

公开(公告)号：US11749688B2

公开(公告)日：2023-09-05

申请号：US17132884

申请日：2020-12-23

Applicant: LG Display Co., Ltd.

Inventor： Sul Lee ,  JeongHyeon Choi ,  Eunil Cho

IPC: H01L27/12 ,  G09G3/3275 ,  G09G3/3266 ,  H10K59/65 ,  H10K59/131

CPC classification number: H01L27/124 ,  G09G3/3266 ,  G09G3/3275 ,  H10K59/131 ,  H10K59/65

Abstract: A light emitting display panel includes a transparent area corresponding to an area where a camera is provided. The transparent area includes a first pixel circuit layer including a first pixel circuit, a second pixel circuit layer provided on the first pixel circuit layer, the second pixel circuit layer including a second pixel circuit, and a light emitting device layer provided on the second pixel circuit layer, the light emitting device layer including at least one light emitting device. A driving transistor for controlling the amount of current flowing to the light emitting device is included in at least one of the first pixel circuit layer and the second pixel circuit layer.

公开(公告)号：US11751463B2

公开(公告)日：2023-09-05

申请号：US17132561

申请日：2020-12-23

Applicant: LG Display Co., Ltd.

Inventor： Jeonghyeon Choi ,  Sul Lee ,  Eunil Cho

IPC: H10K59/65 ,  H10K59/131

CPC classification number: H10K59/65 ,  H10K59/131

Abstract: An organic light emitting display apparatus and an electronic device including the same are provided. The organic light emitting display apparatus comprises an organic light emitting display panel including a display area and a non-display area, the display area including a transparent area, a buffer area provided outside the transparent area, and an opaque area provided outside the buffer area, a camera provided in the transparent area in a rear surface of the organic light emitting display panel to photograph a region in a forward direction with respect to the organic light emitting display panel, and a transparent area pixel driving circuit provided in the buffer area to drive a transparent area organic light emitting diode provided in the transparent area. The transparent area organic light emitting diode is connected to the transparent area pixel driving circuit through a transparent area electrode line.

公开(公告)号：US11574593B2

公开(公告)日：2023-02-07

申请号：US17082796

申请日：2020-10-28

Applicant: LG Display Co., Ltd.

Inventor： JeongHyeon Choi ,  Sul Lee ,  Eunil Cho

IPC: G09G5/00 ,  G09G3/3258 ,  G09G3/20 ,  G09G3/3266 ,  G09G3/3291 ,  H01L27/32 ,  H01L51/52

Abstract: A light emitting display panel having a high resolution is provided. The light emitting display panel includes a plurality of pixels. Each of the plurality of pixels includes a first pixel circuit layer, a second pixel circuit layer, and a light emitting device layer. The first pixel circuit layer includes a first pixel circuit that includes a first layer electrode. The second pixel circuit layer includes a second pixel circuit that includes a second layer electrode which configures a first capacitor along with the first layer electrode. The light emitting device layer includes a light emitting device electrically connected to a driving transistor provided in the second pixel circuit layer.

公开(公告)号：US11158696B2

公开(公告)日：2021-10-26

申请号：US16527593

申请日：2019-07-31

Applicant: LG Display Co., Ltd.

Inventor： Howon Choi ,  YongBaek Lee ,  Eunil Cho

IPC: H01L27/32 ,  H01L27/12

Abstract: An electroluminescent display apparatus includes: a substrate, a plurality of subpixels on the substrate, a first electrode respectively in each of the plurality of subpixels, the first electrode including: a first sub-electrode, and a second sub-electrode, a light-emitting layer on the first electrode, and a second electrode on the light-emitting layer, wherein a whole upper surface of each of the first sub-electrode and the second sub-electrode contacts a lower surface of the light-emitting layer.