公开(公告)号：US20180122837A1

公开(公告)日：2018-05-03

申请号：US15797835

申请日：2017-10-30

Applicant: LG Display Co., Ltd. ,  LG INNOTEK Co., Ltd. ,  LG Electronics Inc.

Inventor： HanSaem KANG ,  HyeonHo SON ,  KyungHan SEO ,  Sangyoul LEE ,  Hwankuk YUH ,  Seung Ouk NOH

IPC: H01L27/12 ,  H01L33/38

CPC classification number: H01L27/1248 ,  H01L25/0753 ,  H01L27/124 ,  H01L33/38

Abstract: Disclosed is a light emitting diode display device in which a time taken in a process of connecting a light emitting device to a pixel circuit is shortened. The light emitting diode display device includes a thin film transistor (TFT) array substrate including a concave portion and a light emitting device disposed in the concave portion. The light emitting device includes a first electrode and a second electrode. The light emitting device further includes a first portion, including the first and second electrodes, and a second portion opposite to the first portion, and a distance between the first portion to a floor surface of the concave portion is greater than a distance between the second portion to the floor surface of the concave portion.

公开(公告)号：US20210012716A1

公开(公告)日：2021-01-14

申请号：US17033033

申请日：2020-09-25

Applicant: LG Display Co., Ltd.

Inventor： JinYeong KIM ,  HyeonHo SON ,  HanSaem KANG

IPC: G09G3/3241 ,  H01L27/15 ,  H01L33/06 ,  H01L33/32 ,  H01L33/60 ,  H01L33/42 ,  G09G3/3233

Abstract: Discussed is a light emitting diode display device including a plurality of pixels displaying an image based on a data signal, the plurality of pixels each including: a first and second light emitting diode devices emitting light, a first and second driving transistors electrically connected to the first and second light emitting diode devices respectively, an insulation layer covering the first and second driving transistors and a planarization layer on the insulation layer and an adhesive member between the insulation layer and the first and the second light emitting diode devices, wherein each of the first and second light emitting diode devices includes: a first portion including a first electrode and a second electrode and a second portion opposite to the first portion, and wherein the adhesive member is interposed between the second portion of each of the first and the second light emitting diode devices and the insulation layer.

公开(公告)号：US20190019816A1

公开(公告)日：2019-01-17

申请号：US16123694

申请日：2018-09-06

Applicant: LG DISPLAY CO., LTD.

Inventor： HanSaem KANG ,  HyeonHo SON

IPC: H01L27/12 ,  H01L33/50 ,  H01L25/16 ,  H01L33/60 ,  H01L33/54 ,  H01L25/075 ,  H01L33/48 ,  H01L33/08 ,  H01L33/52 ,  H01L33/62

Abstract: A display device includes a pixel including a thin film transistor (TFT) on a substrate, a planarization layer on the thin film transistor (TFT), a light emitting device including a first electrode and a second electrode, the light emitting device embedded in the planarization layer, a pixel electrode electrically connected to the TFT and the first electrode of the light emitting device; and a common electrode electrically connected to the second electrode of the light emitting device.

公开(公告)号：US20180174519A1

公开(公告)日：2018-06-21

申请号：US15845771

申请日：2017-12-18

Applicant: LG DISPLAY CO., LTD.

Inventor： JinYeong KIM ,  HyeonHo SON ,  HanSaem KANG

IPC: G09G3/3241 ,  H01L27/15 ,  H01L33/06 ,  H01L33/32 ,  H01L33/42 ,  H01L33/60

Abstract: Disclosed is a light emitting diode display device for minimizing a screen defect caused by a defect of a light emitting diode device. The light emitting diode display device includes a plurality of subpixels which each include first to Nth (where N is a natural number equal to or greater than two) light emitting diode devices emitting light with the data current and a pixel circuit including first to Nth driving transistors respectively supplying the data current corresponding to a data signal to the first to Nth light emitting diode devices.

公开(公告)号：US20180122836A1

公开(公告)日：2018-05-03

申请号：US15794741

申请日：2017-10-26

Applicant: LG DISPLAY CO., LTD.

Inventor： HanSaem KANG ,  HyeonHo SON

IPC: H01L27/12 ,  H01L33/08 ,  H01L33/48 ,  H01L33/60 ,  H01L33/50 ,  H01L33/54

CPC classification number: H01L27/1248 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/124 ,  H01L33/08 ,  H01L33/486 ,  H01L33/502 ,  H01L33/505 ,  H01L33/52 ,  H01L33/54 ,  H01L33/60 ,  H01L33/62

Abstract: Disclosed is a light emitting diode display device in which a process time taken in a process of connecting a light emitting device to a pixel circuit is shortened. The light emitting diode display device includes a pixel including a driving thin film transistor (TFT) on a substrate, a first planarization layer covering the pixel, a concave portion in the first planarization layer, a light emitting device in the concave portion and including a first electrode and a second electrode, a second planarization layer covering the first planarization layer and the light emitting device, a pixel electrode electrically connected to the driving TFT and the first electrode of the light emitting device, and a common electrode electrically connected to the second electrode of the light emitting device. The pixel electrode and the common electrode are on the second planarization layer.