公开(公告)号：US20210202911A1

公开(公告)日：2021-07-01

申请号：US17137897

申请日：2020-12-30

Applicant: LG Display Co., Ltd.

Inventor： Yeon KIM ,  Goeun KIM ,  HyeonTae SEO ,  Eunjin KIM ,  Jungyeon KIM ,  JinHo KIM ,  Tae-Hoon KIM ,  KyoungHoon KIM ,  KwangSeon LEE ,  Hongdae SHIN

IPC: H01L51/52

Abstract: A light emitting display device includes a lower substrate, a thin film transistor on the lower substrate, a passivation layer disposed on the thin film transistor and including hydrogen, an overcoating layer disposed on the passivation layer and planarizing the passivation layer, a light emitting element disposed on the overcoating layer and including an anode, a light emitting layer on the anode, and a cathode on the light emitting layer, a bank disposed on the overcoating layer and defining a light emitting area, an adhesive layer on the light emitting element and the bank, and a hydrogen absorbing layer disposed on the adhesive layer and including a hydrogen absorbing filler, wherein a side end of the bank is disposed more inwardly than side ends of the adhesive layer and the hydrogen absorbing layer, wherein the side ends of the adhesive layer and the hydrogen absorbing layer are disposed more inwardly than a side end of the overcoating layer.

公开(公告)号：US20230284477A1

公开(公告)日：2023-09-07

申请号：US18197406

申请日：2023-05-15

Applicant: LG DISPLAY CO., LTD.

Inventor： Yeon KIM ,  Goeun KIM ,  HyeonTae SEO ,  Eunjin KIM ,  Jungyeon KIM ,  JinHo KIM ,  Tae-Hoon KIM ,  KyoungHoon KIM ,  KwangSeon LEE ,  Hongdae SHIN

IPC: H10K50/84 ,  H10K50/844

CPC classification number: H10K50/846 ,  H10K50/844 ,  H10K10/88

Abstract: A light emitting display device includes a lower substrate, a thin film transistor on the lower substrate, a passivation layer disposed on the thin film transistor and including hydrogen, an overcoating layer disposed on the passivation layer and planarizing the passivation layer, a light emitting element disposed on the overcoating layer and including an anode, a light emitting layer on the anode, and a cathode on the light emitting layer, a bank disposed on the overcoating layer and defining a light emitting area, an adhesive layer on the light emitting element and the bank, and a hydrogen absorbing layer disposed on the adhesive layer and including a hydrogen absorbing filler, wherein a side end of the bank is disposed more inwardly than side ends of the adhesive layer and the hydrogen absorbing layer, wherein the side ends of the adhesive layer and the hydrogen absorbing layer are disposed more inwardly than a side end of the overcoating layer.

公开(公告)号：US20200075887A1

公开(公告)日：2020-03-05

申请号：US16512032

申请日：2019-07-15

Applicant: LG DISPLAY CO., LTD.

Inventor： Goeun KIM ,  YoungHoon SHIN

IPC: H01L51/52

Abstract: A light emitting display apparatus includes a passivation layer on a thin film transistor, a light emitting diode on the passivation layer, the light emitting diode having an anode, a light emitting layer on the anode, and a cathode on the light emitting layer, and a hydrogen absorbing layer on the light emitting diode, the hydrogen absorbing layer including an inorganic material having a mass percentage of 0.08% to 50%.