公开(公告)号：US20240251623A1

公开(公告)日：2024-07-25

申请号：US18521814

申请日：2023-11-28

Applicant: LG Display Co., Ltd.

Inventor： SeoHyun NAM ,  SeHong PARK ,  Wonrae KIM ,  Inae CHOI ,  Sejong SEONG

IPC: H10K59/35 ,  H10K50/15 ,  H10K50/16 ,  H10K59/122 ,  H10K59/80

CPC classification number: H10K59/351 ,  H10K50/15 ,  H10K50/16 ,  H10K59/122 ,  H10K59/873

Abstract: Discussed is a display apparatus including at least one pixel on a substrate and having a plurality of subpixels, a pattern portion disposed on the substrate and formed to be concave between the plurality of subpixels, and a reflective portion on the pattern portion. The plurality of subpixels include a first layer having a plurality of concave portions adjacent to the reflective portion and an organic light emitting layer having a lower organic layer on the first layer and a light emitting layer on the lower organic layer, and light efficiency of light emitted from the light emitting layer and output to the substrate through a concave portion of the plurality of concave portions is proportional to a thickness change value of the lower organic layer.

公开(公告)号：US20240224757A1

公开(公告)日：2024-07-04

申请号：US18530688

申请日：2023-12-06

Applicant: LG Display Co., Ltd.

Inventor： SeoHyun NAM ,  SeHong PARK ,  Wonrae KIM ,  Hyemin PARK ,  Sejong SEONG

IPC: H10K59/80 ,  H10K59/122 ,  H10K59/35

CPC classification number: H10K59/879 ,  H10K59/122 ,  H10K59/351 ,  H10K59/873 ,  H10K59/878 ,  H10K59/38

Abstract: A display apparatus may include a substrate, subpixels, a concave pattern portion, and a reflective portion on the pattern portion. Subpixels include a light emission area including a light emitting layer and a bank in a non-light emission area. A total amount of light emitted from the light emitting layer and output to the substrate satisfies





η


total


=


A
⁢


∫
0


sin

-
1


(


n
b



n
OLED

·


1
+


(

h
v

)

2





)





I
OLED

(

θ

)

⁢
d
⁢
θ



+

B
.






A is a light conversion constant, nOLED is a refractive index of the light emitting layer, nb is a refractive index of the bank, V is a vertical length from an upper surface of the light emitting layer to an ending point of the bank, h is a horizontal length from an end of the light emission area to the ending point of the bank, IOLED(θ) is the amount of light emitted from the inside of the light emitting layer, and B is a total output amount of light without a reflective portion.

公开(公告)号：US20240224741A1

公开(公告)日：2024-07-04

申请号：US18386371

申请日：2023-11-02

Applicant: LG Display Co., Ltd.

Inventor： Hyeonhye YU ,  SeHong PARK ,  Wonrae KIM ,  Hyemin PARK ,  Sejong SEONG

IPC: H10K59/80 ,  H10K59/122 ,  H10K59/123 ,  H10K59/35 ,  H10K59/38

CPC classification number: H10K59/878 ,  H10K59/122 ,  H10K59/123 ,  H10K59/351 ,  H10K59/38 ,  H10K59/80518 ,  H10K2102/351

Abstract: A display apparatus is provided, which may improve light extraction efficiency of light emitted from a light emitting element layer. The display apparatus may include a substrate, pixels having a plurality of subpixels, a pattern portion disposed on the substrate and formed to be concave between the plurality of subpixels, and a reflective portion disposed to be inclined on the pattern portion. The plurality of subpixels may include a first layer and a second layer. The first layer may be adjacent to the reflective portion on the substrate and may include a plurality of concave portions. The second layer may be on the first layer. An inclination angle θ of the reflective portion may satisfy






Taper
⁢

Angle
⁢


(
θ
)


=


180
×
log
⁢



0.11
×

T
L
2


+

T
H
2




π


,




wherein TH is a maximum thickness of the second layer in the concave portion, TL is a thickness of the first layer on an extension line of TH, and π is a circular constant.

公开(公告)号：US20240215404A1

公开(公告)日：2024-06-27

申请号：US18371863

申请日：2023-09-22

Applicant: LG Display Co., Ltd.

Inventor： Sejong SEONG ,  SeHong PARK ,  Wonrae KIM ,  Inae CHOI ,  SeoHyun NAM

IPC: H10K59/80 ,  H10K59/122 ,  H10K59/131 ,  H10K59/35 ,  H10K59/38

CPC classification number: H10K59/878 ,  H10K59/122 ,  H10K59/131 ,  H10K59/351 ,  H10K59/38

Abstract: A display apparatus is provided, which can improve light extraction efficiency of light emitted from a light emitting element layer. In one example, the display apparatus includes a substrate having a plurality of pixels with a plurality of subpixels, a pattern portion disposed on the substrate and formed to be concave between the plurality of subpixels, a reflective portion on the pattern portion, and a plurality of lines for driving the plurality of subpixels. The plurality of subpixels include a light emission area and a non-light emission area adjacent to the light emission area, and the plurality of lines are disposed in the non-light emission area. Further, the pattern portion is provided to surround the light emission area, and at least one of the plurality of lines partially overlaps the pattern portion.

公开(公告)号：US20230189604A1

公开(公告)日：2023-06-15

申请号：US17984142

申请日：2022-11-09

Applicant: LG Display Co., Ltd.

Inventor： Wonrae KIM ,  Jungmin YOON ,  SeungBum LEE ,  Seungcheol YOU

IPC: H01L31/12

CPC classification number: H01L27/3218 ,  H01L51/5271 ,  H01L51/5275

Abstract: A transparent display apparatus is provided, which may improve visibility of an image with respect to external light. The transparent display apparatus comprises a substrate including a plurality of pixels, each of which has a light emission area and a transmissive area, and a reproducing plate disposed in parallel with the substrate, wherein the reproducing plate includes a plurality of reproducing portions at least partially overlapped with the transmissive area.

公开(公告)号：US20240224742A1

公开(公告)日：2024-07-04

申请号：US18474766

申请日：2023-09-26

Applicant: LG Display Co., Ltd.

Inventor： SeoHyun NAM ,  SeHong PARK ,  Wonrae KIM ,  Inae CHOI ,  Sejong SEONG

IPC: H10K59/80 ,  H10K59/122

CPC classification number: H10K59/878 ,  H10K59/122

Abstract: A display apparatus is provided, which may improve light extraction efficiency of light emitted from a light emitting element layer. The display apparatus comprises a substrate having a plurality of pixels having a plurality of subpixels, a pattern portion disposed on the substrate and formed to be concave between the plurality of subpixels, and a reflective portion on the pattern portion, wherein the plurality of subpixels include a light emission area and a non-light emission area adjacent to the light emission area, and a light extraction portion that overlaps the light emission area and includes a plurality of concave portions, and the reflective portion is adjacent to the light extraction portion in the non-light emission area and is disposed to be spaced apart from the light emission area.

公开(公告)号：US20240215406A1

公开(公告)日：2024-06-27

申请号：US18462045

申请日：2023-09-06

Applicant: LG Display Co., Ltd.

Inventor： Sejong SEONG ,  SeHong PARK ,  Wonrae KIM ,  Inae CHOI ,  SeoHyun NAM

IPC: H10K59/80 ,  H10K59/122 ,  H10K59/124

CPC classification number: H10K59/878 ,  H10K59/122 ,  H10K59/124

Abstract: A display apparatus is provided, which may improve light extraction efficiency of light emitted from a light emitting element layer. The display apparatus comprises a substrate having a plurality of pixels having a plurality of subpixels, a pattern portion disposed on the substrate and formed to be concave between the plurality of subpixels, and a reflective portion on the pattern portion, wherein the plurality of subpixels include a light emission area and a non-light emission area adjacent to the light emission area, and the pattern portion is disposed in the periphery of the non-light emission area.

公开(公告)号：US20230417698A1

公开(公告)日：2023-12-28

申请号：US18339196

申请日：2023-06-21

Applicant: LG Display Co., Ltd.

Inventor： Wonrae KIM ,  MuSun KWAK ,  KyeongJin KIM

IPC: G01N27/327 ,  B82Y15/00

CPC classification number: G01N27/3278 ,  B82Y15/00

Abstract: According to an aspect of the present disclosure, a DNA analysis device includes a substrate; a photosensitive organic layer configured to be disposed on the substrate, and expanded or contracted by reacting to light; a pair of sensing electrodes disposed on the photosensitive organic layer, and spaced apart from each other with a nano gap; and a light irradiation unit configured to irradiate the light to the photosensitive organic layer, and when the photosensitive organic layer is deformed, the nano gap between the pair of sensing electrodes is varied. Accordingly, the nano gap is simply and precisely adjusted by using the photosensitive organic layer which reacts to light to enhance DNA analysis accuracy.

公开(公告)号：US20230217725A1

公开(公告)日：2023-07-06

申请号：US17988596

申请日：2022-11-16

Applicant: LG Display Co., Ltd.

Inventor： Wonrae KIM ,  SeongHan HWANG ,  JuHyuk KIM

IPC: H01L27/32

CPC classification number: H01L27/3246

Abstract: An organic light emitting display panel and an organic light emitting display device including the panel are discussed. The organic light emitting display device can include a planarization layer disposed on a substrate, a first electrode disposed on a portion of an upper surface of the planarization layer, a protective pattern surrounding a portion of an upper surface and a side surface of the first electrode, a bank disposed to expose the portion of the upper surface of the first electrode and to be in contact with the portion of the upper surface of the planarization layer while surrounding the protective pattern, a light emitting layer disposed on the bank and disposed on the upper surface of the first electrode that does not overlap the bank, and a second electrode disposed on the light emitting layer. The display device is capable of preventing the first electrode from being contaminated by foreign substances.

公开(公告)号：US20220199678A1

公开(公告)日：2022-06-23

申请号：US17528762

申请日：2021-11-17

Applicant: LG DISPLAY CO., LTD

Inventor： Seungcheol YOU ,  Wonrae KIM ,  SeungBum LEE

IPC: H01L27/15 ,  H01L33/10 ,  H01L33/50

Abstract: A display apparatus includes a display panel on which a plurality of pixels are displayed, a plurality of signal lines to which a signal required to drive the display panel is supplied, and an electrostatic discharge circuit connected between each of the plurality of signal lines and the electrostatic discharge line, and the electrostatic discharge circuit includes first and second current paths between the signal line and the electrostatic discharge line, a first electrostatic discharge circuit connected to the first current path, including a plurality of first thin film transistors having a first gate electrode connected to the second current path and a second gate electrode connected to the first current path, and a second electrostatic discharge circuit connected to the second current path, including at least one second thin film transistor having a first gate electrode connected to the first current path and a second gate electrode connected to the first current path.