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Light emitting display panel and light emitting display apparatus including the same

專(zhuān)利號(hào)
US12144214B2
公開(kāi)日期
2024-11-12
申請(qǐng)人
LG DISPLAY CO., LTD.(KR Seoul)
發(fā)明人
YoungIn Jang; Ji-Heun Lee; EunJi Park
IPC分類(lèi)
H10K59/131; G09G3/3291; H10K59/122
技術(shù)領(lǐng)域
electrode,cathode,layer,auxiliary,emitting,152a,159c,may,light,be
地域: Seoul

摘要

A light emitting display panel and a light emitting display apparatus including the same, in which a cathode is connected to an auxiliary cathode electrode through an undercut region provided under a planarization layer, are provided. The light emitting display panel includes a substrate, an auxiliary cathode electrode provided in the substrate, a passivation layer covering the auxiliary cathode electrode, an anode provided on the passivation layer, a bank surrounding an outer portion of the anode, a light emitting layer provided on the anode, and a cathode provided on the light emitting layer, the cathode is connected to the auxiliary cathode electrode through a connection electrode exposed at an undercut region passing through the bank and the passivation layer.

說(shuō)明書(shū)

FIG. 8 is a plan view corresponding to the blocking portion Y4 illustrated in FIGS. 3 and 4;

FIGS. 9A to 9J are diagrams for describing a method of manufacturing a light emitting display panel according to an aspect of the present disclosure; and

FIG. 10 is another diagram for describing a method of manufacturing a light emitting display panel according to an aspect of the present disclosure.

DETAILED DESCRIPTION

Reference will now be made in detail to the exemplary aspects of the present disclosure, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts.

Advantages and features of the present disclosure, and implementation methods thereof will be clarified through following aspects described with reference to the accompanying drawings. The present disclosure may, however, be embodied in different forms and should not be construed as limited to the aspects set forth herein. Rather, these aspects are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the present disclosure to those skilled in the art. Further, the present disclosure is only defined by scopes of claims.

權(quán)利要求

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