公开(公告)号：US20200105838A1

公开(公告)日：2020-04-02

申请号：US16586955

申请日：2019-09-28

Applicant: LG Display Co., Ltd.

Inventor： Sooin KIM ,  Seungbum LEE ,  Wonrae KIM

IPC: H01L27/32

Abstract: A self-light emitting display device comprises at least one pixel comprising a first region, a second region and a third region; a blue light emitting diode disposed in the at least one pixel and configured to emit blue light; partitions disposed over the blue light emitting diode and spaced apart from one another, the partitions defining the first region, the second region and the third region; a color conversion pattern disposed over the blue light emitting diode and including a red color converting unit disposed between the partitions in the first region and configured to convert the blue light into red light and a green color converting unit disposed between the partitions in the second region and configured to convert the blue light into green light; and a selective transmission layer configured to transmit the blue light and to reflect the green light and the red light and comprising a first selective transmission region corresponding to the first and second regions, wherein the first selective transmission region includes a first bottom portion disposed between the color conversion pattern and the blue light emitting diode, and a first wall portion disposed between the color conversion pattern and partitions and extending from the first bottom portion.

公开(公告)号：US20210202636A1

公开(公告)日：2021-07-01

申请号：US17121362

申请日：2020-12-14

Applicant: LG Display Co., Ltd.

Inventor： Seungbum LEE ,  Wonrae KIM ,  Jungmin YOON ,  Sooin KIM

IPC: H01L27/32 ,  H01L51/56

Abstract: An organic light-emitting display device includes a substrate; a thin-film transistor layer disposed on the substrate, and including a thin-film transistor including a gate electrode, a source electrode, and a drain electrode; a color filter layer disposed on the thin-film transistor layer and including a red color filter, a green color filter, and a blue color filter; an organic light-emitting element disposed on the color filter layer; and a plurality of out-coupling enhancing members formed in the thin-film transistor layer, wherein the out-coupling enhancing members are spaced from each other at a predetermined spacing and each of the out-coupling enhancing members extends in a stripe shape, and the out-coupling enhancing members vertically overlap the red color filter.

公开(公告)号：US20200111842A1

公开(公告)日：2020-04-09

申请号：US16593415

申请日：2019-10-04

Applicant: LG Display Co., Ltd.

Inventor： Wonrae KIM ,  Seungbum LEE ,  Sooin KIM

IPC: H01L27/32 ,  H01L51/52

Abstract: A self-light emitting display device comprises at least one pixel including a first region and a second region; blue walls spaced apart from each other and dividing the first region and the second region to reflect and scatter blue light; a blue light-emitting layer configured to output the blue light and including a first blue light-emitting unit disposed between the blue walls in the first region, and a second blue light-emitting unit disposed between the blue walls in the second region; and a color conversion layer disposed over the blue light-emitting layer and including a green conversion unit disposed between the blue walls in the first region and configured to convert the blue light into green light, and a red conversion unit disposed between the blue walls in the second region and configured to convert the blue light into red light.