公开(公告)号：US20220223770A1

公开(公告)日：2022-07-14

申请号：US17611832

申请日：2020-05-15

Applicant: CORNING PRECISION MATERIALS CO., LTD. ,  CORNING INCORPORATED

Inventor： Sang-cheol Jung ,  Dae youn Kim ,  Goo Soo Lee ,  Kyung-jin Lee ,  Dong Keun Shin ,  Hong Yoon

IPC: H01L33/58 ,  H01L25/075

Abstract: An optical display device having a backplane substrate and a cover plate adjacent to and spaced apart from the backplane substrate is provided. The backplane substrate can include a plurality of electroluminescent elements disposed thereon and the cover plate can include a plurality of light absorbing wedge-shaped features arranged in rows thereon.

公开(公告)号：US20210305539A1

公开(公告)日：2021-09-30

申请号：US17262375

申请日：2018-07-23

Applicant: CORNING INCORPORATED

Inventor： Dipakbin Qasem Chowdhury ,  Sergey Anatol'evich Kuchinsky ,  Dmitri Vladislavovich Kuksenkov ,  JooYoung Lee ,  Michal Mlejnek ,  Hong Yoon

IPC: H01L51/52

Abstract: An organic light emitting diode (OLED) assembly (100), comprising: a diode superstructure (110) comprising a cathode (140), an anode (120) having a refractive index of na, and an organic light emitting semiconductor material (160) interposed between the cathode (140) and the anode (120); and a light diffracting substructure (150) providing a scattering cross section of light from the diode superstructure (110). The light diffracting substructure (150) comprises: a transparent substrate (156), a plurality of nanoparticles (154) in contact with the substrate (156) and having a refractive index of ns, and a planarization layer (152) over the nanoparticles (154) and having a refractive index of np. Further, np is within 25% of na and ns>np In addition, ns>about 1.9.

公开(公告)号：US20250020855A1

公开(公告)日：2025-01-16

申请号：US18712880

申请日：2022-11-15

Applicant: CORNING INCORPORATED

Inventor： Gun-sang Yoon ,  Hong Yoon

IPC: F21V8/00

Abstract: Provided is an illumination device including a light extraction film having a light guide plate including one or more edges and including a transparent substrate and a light extraction film on the light guide plate, where the film includes a matrix layer, and a plurality of scattering particles embedded in the matrix layer, and the plate includes first areas in which a volume density of the particles of the light extraction film is substantially constant, and second areas in which a volume density of the particles of the light extraction film varies along a Gaussian profile.

公开(公告)号：US20220137285A1

公开(公告)日：2022-05-05

申请号：US17430899

申请日：2020-02-17

Applicant: CORNING INCORPORATED

Inventor： Euisoo Kim ,  Hong Yoon

IPC: F21V8/00

Abstract: An optical structure for a light-emitting diode (LED) device, and an LED device for a lighting application including the same. The optical structure includes a light guide plate and a prism sheet, the light guide plate having first and second surfaces facing away from each other, the prism sheet is disposed on a peripheral portion of the first surface, and includes a plurality of prisms continuously arranged in one direction to form a pattern. At least some prisms have an asymmetrical structure in which light-refracting surfaces have different inclinations.

公开(公告)号：US20210210732A1

公开(公告)日：2021-07-08

申请号：US17056922

申请日：2019-05-24

Applicant: CORNING INCORPORATED

Inventor： Hong Yoon

IPC: H01L51/52 ,  H01L51/56

Abstract: Various aspects of a light extraction substrate, an organic light emitting device, and methods of fabrication are provided. A light extraction substrate of an organic light-emitting device includes a light-scattering layer disposed on a base substrate and contains a first material, and a number of holes (hole diameters ranging from 350 nm to 450 nm) extending between the first surface and the second surface. A planarization layer (thickness not greater than 200 nm) is disposed on the light-scattering layer and contains a second material.

公开(公告)号：US20240162276A1

公开(公告)日：2024-05-16

申请号：US18551077

申请日：2022-03-31

Applicant: CORNING INCORPORATED

Inventor： Dae youn Kim ,  Dong Keun Shin ,  Hong Yoon

IPC: H01L27/15

CPC classification number: H01L27/156

Abstract: A display area (100a) includes a plurality of tiles each tile including an optically transparent layer (208). Each of the plurality of tiles includes a substrate (202) and a plurality of light sources (204′) positioned on the substrate. In addition, each of the plurality of tiles includes a non-transparent layer (206) extending between the transparent layer and the plurality of light sources. The non-transparent layer includes an opening (214) extending over an area between at least one of the plurality of light sources and the transparent layer. In addition, a seam extends between adjacent tiles of the plurality of tiles and the non-transparent layer extends across the seam.

公开(公告)号：US11690249B2

公开(公告)日：2023-06-27

申请号：US17056922

申请日：2019-05-24

Applicant: CORNING INCORPORATED

Inventor： Hong Yoon

IPC: H01L51/52 ,  H10K50/854 ,  H10K71/00

CPC classification number: H10K50/854 ,  H10K71/00

Abstract: Various aspects of a light extraction substrate, an organic light emitting device, and methods of fabrication are provided. A light extraction substrate of an organic light-emitting device includes a light-scattering layer disposed on a base substrate and contains a first material, and a number of holes (hole diameters ranging from 350 nm to 450 nm) extending between the first surface and the second surface. A planarization layer (thickness not greater than 200 nm) is disposed on the light-scattering layer and contains a second material.

公开(公告)号：US20220260770A1

公开(公告)日：2022-08-18

申请号：US17618574

申请日：2020-06-10

Applicant: CORNING INCORPORATED

Inventor： Euisoo Kim ,  Eunho Lee ,  JooYoung Lee ,  Hong Yoon

IPC: F21V8/00 ,  G02B1/00 ,  G02B3/00

Abstract: Provided are an integrated light guide plate and a lighting device including the same. Micro-sized engraved lenses are provided on one surface of a transparent substrate, coated with a reflector pattern having a visually unrecognizable size, such that dual-surface lighting is realized and the ratio between intensities of dual-surface lighting is adjusted without the addition of a reflector plate and a diffuser plate. The transparent substrate includes a first surface, a second surface, and third surfaces connecting the first surface and the second surface to each other, the second surface provided with a lens pattern including engraved lenses.