公开(公告)号：US10229965B2

公开(公告)日：2019-03-12

申请号：US15788665

申请日：2017-10-19

Applicant: LG Display Co., Ltd.

Inventor： Jong-Hoon Yeo ,  Seung-Han Paek ,  Hyo-Dae Bae ,  Young-Mu Oh ,  Jeong-Won Lee ,  Heon-Il Song

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

Abstract: An organic light emitting diode display device comprises a substrate including a pixel region, the pixel region including a first portion and a second portion, a first electrode in the second portion of the pixel region, a bank layer separating the first portion and the second portion of the pixel region, an emitting layer in the second portion of the pixel region but not in the first portion of the pixel region, an emission assisting layer extending in the first portion of the pixel region and in the second portion of the pixel region, the emission assisting layer in the first portion of the pixel region being more conductive than the emission assisting layer in the second portion of the pixel region, and a second electrode on the emission assisting layer in the first portion of the pixel region and in the second portion of the pixel region.

公开(公告)号：US20180114818A1

公开(公告)日：2018-04-26

申请号：US15850406

申请日：2017-12-21

Applicant: LG DISPLAY CO., LTD.

Inventor： Seung-Han PAEK ,  Hyo-Dae Bae ,  Young-Mu Oh ,  Jeong-Won Lee ,  Heon-Il Song ,  Jong-Hoon Yeo

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3246 ,  H01L27/3279 ,  H01L51/0005 ,  H01L51/5203 ,  H01L51/5228 ,  H01L2227/323

Abstract: An organic light emitting diode display device includes a substrate; a thin film transistor on the substrate; a first electrode on the thin film transistor and connected to a drain electrode of the thin film transistor; an auxiliary electrode on a same layer as the first electrode; a bank layer covering edges of the first electrode and edges of the auxiliary electrode and having a transmissive hole corresponding to the first electrode and an auxiliary contact hole corresponding to the auxiliary electrode; a light emitting layer on the first electrode in the transmissive hole; a residual layer on the auxiliary electrode in the auxiliary contact hole, wherein a thickness of a central portion of the residual layer is smaller than a thickness of an edge portion of the residual layer; and a second electrode on the light emitting layer and the residual layer.

公开(公告)号：US10297650B2

公开(公告)日：2019-05-21

申请号：US15927038

申请日：2018-03-20

Applicant: LG Display Co., Ltd.

Inventor： Hong-Ki Park ,  Hyo-Dae Bae

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/56 ,  H01L27/12 ,  H01L51/50

Abstract: Disclosed is an organic light emitting diode (OLED) display device including a substrate including a pixel region and a boundary region outside the pixel region. The pixel region comprises an area having a short side and a long side. The pixel region comprises an array of pixels to emit light. The OLED display device includes a substrate in the pixel region and in the boundary region The OLED display device further includes a first electrode of a light emitting device in the pixel region over the substrate, a first bank covering edges of the first electrode in the pixel region on the substrate in the boundary region, wherein a width of an edge of the first bank along the short side of the pixel region is different from a width of an edge of the first bank along the long side of the pixel region, and a second bank on a portion of the first bank in the boundary region.

公开(公告)号：US09831293B2

公开(公告)日：2017-11-28

申请号：US15250403

申请日：2016-08-29

Applicant: LG DISPLAY CO., LTD.

Inventor： Seung-Han Paek ,  Hyo-Dae Bae ,  Young-Mu Oh ,  Jeong-Won Lee ,  Heon-Il Song ,  Jong-Hoon Yeo

IPC: H01L27/32 ,  G02B5/22 ,  G02B5/20 ,  H01L51/52

CPC classification number: H01L27/322 ,  G02B5/201 ,  G02B5/223 ,  H01L27/3244 ,  H01L51/5284 ,  H01L2251/5338

Abstract: A color filter plate for a display device according to an embodiment includes a substrate including a first pixel region; a first color filter pattern over the substrate and transmitting light having a first wavelength range; and a first dye layer corresponding to the first color filter pattern and over the substrate, the first dye layer including first and second dyes, wherein the first dye absorbs light having a second wavelength range other than the first wavelength range, and the second dye absorbs light having a third wavelength range other than the first wavelength range and the second wavelength range.

公开(公告)号：US09735214B2

公开(公告)日：2017-08-15

申请号：US14939898

申请日：2015-11-12

Applicant: LG Display Co., Ltd.

Inventor： Hong-Ki Park ,  Hyo-Dae Bae ,  Soo-Jin Kim

IPC: H01L27/32 ,  H01L51/00

CPC classification number: H01L27/3246 ,  H01L51/0005

Abstract: An organic light emitting display (OLED) device, and a method for manufacturing the OLED device are discussed. The OLED device according to one embodiment includes a thin film transistor formed on a substrate; a planarization layer formed on the thin film transistor; a first bank layer including a first opening; a lower electrode formed in the first opening and connected to the thin film transistor, an end segment of the lower electrode being disposed on the first bank layer; a second bank layer formed on the first bank layer and covering the end segment of the lower electrode, the second bank layer including a second opening corresponding to the first opening; an organic emitting layer formed on the lower electrode and in the second opening; and an upper electrode formed on the organic emitting layer.

公开(公告)号：US10686156B2

公开(公告)日：2020-06-16

申请号：US15334997

申请日：2016-10-26

Applicant: LG Display Co., Ltd.

Inventor： Seung-Han Paek ,  Hyo-Dae Bae ,  Young-Mu Oh ,  Jeong-Won Lee ,  Heon-Il Song ,  Jong-Hoon Yeo

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/00 ,  H01L51/50 ,  H01L51/56

Abstract: An organic light emitting display device includes a substrate including a pixel region, and a first electrode over the substrate and in the pixel region. An auxiliary electrode is disposed over the substrate, and is spaced apart from the first electrode and disposed in between the pixel region and another pixel region. A second electrode is placed over the first electrode and the auxiliary electrode, and an organic layer is disposed between each of the first electrode and the second electrode, and the second electrode and the auxiliary electrode. A conductive member is placed between the auxiliary electrode and the second electrode and electrically connects the second electrode to the auxiliary electrode.

公开(公告)号：US10355061B2

公开(公告)日：2019-07-16

申请号：US15197538

申请日：2016-06-29

Applicant: LG Display Co., Ltd.

Inventor： Jong-Hoon Yeo ,  Seung-Han Paek ,  Hyo-Dae Bae ,  Young-Mu Oh ,  Jeong-Won Lee ,  Heon-Il Song

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56 ,  H01L27/12

Abstract: An organic light emitting display device includes a substrate including a pixel region and a non-pixel region; a first electrode over the substrate in the pixel region; an organic emitting layer over the first electrode in the pixel region; a bank over the substrate in the non-pixel region; an auxiliary conductive line covered by the bank in the non-pixel region, a thickness of the auxiliary line larger than a thickness of the first electrode; and a second electrode on the organic emitting layer in the pixel region and on the bank in the non-pixel region, the second electrode electrically connected to the auxiliary conductive line.

公开(公告)号：US09947732B2

公开(公告)日：2018-04-17

申请号：US15183727

申请日：2016-06-15

Applicant: LG Display Co., Ltd.

Inventor： Hong-Ki Park ,  Hyo-Dae Bae

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/56 ,  H01L27/12 ,  H01L51/50

CPC classification number: H01L27/3246 ,  H01L27/1214 ,  H01L27/3262 ,  H01L51/0004 ,  H01L51/5012 ,  H01L51/56

Abstract: Disclosed is an organic light emitting diode (OLED) display device including a substrate including a pixel region and a boundary region outside the pixel region. The pixel region comprises an area having a short side and a long side. The pixel region comprises an array of pixels to emit light. The OLED display device includes a substrate in the pixel region and in the boundary region The OLED display device further includes a first electrode of a light emitting device in the pixel region over the substrate, a first bank covering edges of the first electrode in the pixel region on the substrate in the boundary region, wherein a width of an edge of the first bank along the short side of the pixel region is different from a width of an edge of the first bank along the long side of the pixel region, and a second bank on a portion of the first bank in the boundary region.

公开(公告)号：US09780319B2

公开(公告)日：2017-10-03

申请号：US14918805

申请日：2015-10-21

Applicant: LG DISPLAY CO., LTD.

Inventor： Hyo-Dae Bae ,  Young-Mu Oh ,  Jeong-Won Lee

IPC: H01L51/50 ,  H01L51/52 ,  H01L27/32

CPC classification number: H01L51/5012 ,  H01L27/3206 ,  H01L27/3211 ,  H01L51/5088 ,  H01L51/5218 ,  H01L51/5265 ,  H01L2251/558

Abstract: An organic electroluminescent device includes a substrate having a plurality of pixel regions defined thereon; and, in each pixel region, at least first, second and third light emitting elements formed on the substrate, each of the first, second, and third light emitting elements including a lower first electrode, an upper first electrode, an organic-light emitting layer, and a second electrode. A ratio of a thickness of the upper first electrode to a thickness of the organic light emitting layer in the first light emitting element is 1:3 to 1:4. A ratio of a thickness of the upper first electrode to a thickness of the organic light emitting layer in the second light emitting element is 1:2.5 to 1:3. A ratio of a thickness of the upper first electrode to a thickness of the organic light emitting layer in the third light emitting element is 1:1.5 to 1:2.

公开(公告)号：US10243169B2

公开(公告)日：2019-03-26

申请号：US15242048

申请日：2016-08-19

Applicant: LG Display Co., Ltd.

Inventor： Young-Mu Oh ,  Seung-Han Paek ,  Hyo-Dae Bae ,  Jeong-Won Lee ,  Heon-Il Song ,  Jong-Hoon Yeo

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/56

Abstract: An organic light emitting diode display device includes a first substrate, a thin film transistor over the first substrate, a protection layer over the thin film transistor, a light emitting diode over the protection layer, a passivation layer over the light emitting diode, a second substrate over the passivation layer, and a plurality of polymeric nanoparticles disposed within at least one of the protection layer or the passivation layer, wherein a refractive index of the plurality of polymeric nanoparticles is different than both a refractive index of the protection layer and a refractive index of the passivation layer.