公开(公告)号：US10559634B2

公开(公告)日：2020-02-11

申请号：US16049515

申请日：2018-07-30

Applicant: LG DISPLAY CO., LTD.

Inventor： Seungmin Baik ,  Hojin Kim ,  Goeun Jung

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/56 ,  G09G3/3291 ,  H01L51/52

Abstract: An organic light emitting diode display device can include a substrate; a plurality of pixels disposed on the substrate; a plurality of anodes corresponding to the plurality of pixels, respectively; an organic light emitting layer disposed on the plurality of anodes; a cathode layer disposed on the organic light emitting layer; and a step difference compensation layer partitioning at least two adjacent pixels among the plurality of pixels, in which the step difference compensation layer includes a base layer, and a plurality of spike patterns disposed on the base layer, the plurality of spike patterns including protrusions that extend into at least a portion of the organic light emitting layer in a region between the at least two adjacent pixels.

公开(公告)号：US10254452B2

公开(公告)日：2019-04-09

申请号：US14747900

申请日：2015-06-23

Applicant: LG Display Co., Ltd.

Inventor： YoungHoon Noh ,  Goeun Jung

IPC: G02B5/28 ,  G02F1/167 ,  G02B5/20 ,  G02F1/1335

Abstract: A reflector is discussed. A reflector can include a first reflective layer pair reflecting red light, a second reflective layer pair reflecting green light and a third reflective layer pair reflecting blue light, wherein the first to third reflective layer pairs are formed as a plurality of inorganic layers, the first, second and third reflective layer pair are sequentially stacked iteratively, the first reflective layer pair includes a stop band corresponds to red color wavelength, the second reflective layer pair includes a stop band corresponds to green color wavelength, and the third reflective layer pair includes a stop band corresponds to blue color wavelength.

公开(公告)号：US10135028B2

公开(公告)日：2018-11-20

申请号：US15332242

申请日：2016-10-24

Applicant: LG Display Co., Ltd.

Inventor： JongSung Kim ,  JongGeun Yoon ,  Goeun Jung ,  HyungGeun Kwon

IPC: H01L29/08 ,  H01L35/24 ,  H01L51/00 ,  H01L51/52 ,  H01L27/32

Abstract: A flexible display device includes a base substrate defining a display area and a non-display area; a thin film transistor in the display area of the base substrate; an organic light emitting diode on and connected with the thin film transistor; an encapsulation layer on the organic light emitting diode; and a crack preventing portion in the non-display area defined by the base substrate.