公开(公告)号：US11567364B2

公开(公告)日：2023-01-31

申请号：US17550862

申请日：2021-12-14

Applicant: LG Display Co., Ltd.

Inventor： DongHwi Kim ,  MyungWon Seo

IPC: G02F1/13357 ,  G02F1/1339 ,  G02F1/1335

Abstract: A backlight unit can include a light emitting unit including a plurality of light emitting devices, a light conversion sheet disposed on the light emitting unit and including a plurality of light conversion patterns overlapping with the plurality of light emitting devices, a phosphor film disposed on the light conversion sheet, and a phosphor layer disposed in a position corresponding to a rim portion of the light conversion sheet.

公开(公告)号：US11003025B2

公开(公告)日：2021-05-11

申请号：US16914223

申请日：2020-06-26

Applicant: LG Display Co., Ltd.

Inventor： MyungWon Seo ,  Donghwi Kim

IPC: G02F1/13357 ,  G02F1/1335

Abstract: The disclosure relates to backlight unit and display device including the same. The backlight unit includes an array substrate having a first surface on which a plurality of light emitting devices are disposed, and a second surface on which a plurality of Zener diodes are disposed corresponding to the plurality of light emitting devices, a driver substrate having a third surface contacting the second surface of the array substrate, and a fourth surface on which a plurality of driver integrated circuits are disposed, and a cover bottom accommodating the array substrate and the driver substrate.

公开(公告)号：US11852922B2

公开(公告)日：2023-12-26

申请号：US17857577

申请日：2022-07-05

Applicant: LG Display Co., Ltd.

Inventor： RokHee Lee ,  Hyunmin Park ,  MyungWon Seo

IPC: G02F1/13357 ,  F21V8/00

CPC classification number: G02F1/133611 ,  G02B6/0065 ,  G02F1/133605 ,  G02F1/133606 ,  G02B6/0051 ,  G02B6/0055 ,  G02F1/133603

Abstract: A backlight unit and a display device including the backlight unit is disclosed The backlight unit includes a light source protective element located on light sources, a base film located on the light source protective element, and a plurality of optical path control patterns, each of which is located to overlap a corresponding one of the light sources, that are disposed on at least one of both surfaces of the base film and configured to direct traveling paths of at least some of incident light rays, the optical path control patterns including an acrylic-based resin or a polyester-based resin and at least one type of inorganic particles dispersed in the resins, thereby enabling a thickness of the backlight unit to be reduced and image quality to improve.

公开(公告)号：US11231618B2

公开(公告)日：2022-01-25

申请号：US16934561

申请日：2020-07-21

Applicant: LG Display Co., Ltd.

Inventor： DongHwi Kim ,  MyungWon Seo

IPC: G02F1/13357 ,  G02F1/1339 ,  G02F1/1335

Abstract: Embodiments of the present disclosure provide a backlight unit comprising a light emitting unit including a plurality of light emitting devices, a light conversion sheet disposed on the light emitting unit and including a plurality of light conversion patterns overlapping with the plurality of light emitting devices, and a phosphor layer disposed in a rim portion of the light conversion sheet and including a phosphor film disposed on the light conversion sheet. A display device including the backlight unit is also provided.

公开(公告)号：US10606122B2

公开(公告)日：2020-03-31

申请号：US15835166

申请日：2017-12-07

Applicant: LG Display Co., Ltd.

Inventor： MyungWon Seo ,  Jaeyong Choi ,  Kiyong Yang ,  MinJae Kang ,  SeungJun Lee

IPC: G02F1/1335 ,  F21V8/00 ,  G02F1/1343

Abstract: Disclosed are a light source module, a backlight unit including the same, and a liquid crystal display device including the same, which prevent image quality and reliability from being degraded. The light source module includes a printed circuit board (PCB), a plurality of light sources mounted on the PCB, an optical member provided on the PCB to surround the plurality of light sources, an antistatic cover supported to the optical member to cover the plurality of light sources, and a ground member grounding the antistatic cover.

公开(公告)号：US20240164127A1

公开(公告)日：2024-05-16

申请号：US18235221

申请日：2023-08-17

Applicant: LG Display Co., Ltd.

Inventor： KiSung Lim ,  JinSu Moon ,  MyungWon Seo

IPC: H10K50/115 ,  H10K59/38 ,  H10K59/80

CPC classification number: H10K50/115 ,  H10K59/38 ,  H10K59/8792 ,  H10K2102/351

Abstract: A display device includes a substrate; a light emitting element disposed on the substrate; and a photoconversion layer disposed on the light emitting element and including a photoconversion structure body, of which a viewing angle and color purity are improved by preventing degradation of the quantum dot according to moisture and oxygen in accordance with the photoconversion structure body including a quantum dot and an inorganic protection layer coating a surface of the quantum dot in the photoconversion layer may be provided.

公开(公告)号：US11803083B2

公开(公告)日：2023-10-31

申请号：US17978808

申请日：2022-11-01

Applicant: LG Display Co., Ltd.

Inventor： KiSung Lim ,  JinSu Moon ,  MyungWon Seo ,  Hyunmin Park

IPC: G02F1/1335 ,  F21V8/00 ,  F21V9/30

CPC classification number: G02F1/133614 ,  G02B6/0031 ,  F21V9/30

Abstract: A backlight unit and a display device are disclosed. There may be provided a backlight unit and a display device with enhanced light absorption of light of an absorption wavelength band and enhanced color gamut, by including a color conversion layer (or color conversion film) for converting the wavelength band of the light emitted from a light source and a light absorption layer (or light absorption film) for absorbing light of a specific absorption wavelength band, in an area adjacent the light source.

公开(公告)号：US10566381B2

公开(公告)日：2020-02-18

申请号：US16154949

申请日：2018-10-09

Applicant: LG Display Co., Ltd.

Inventor： YongSeok Kwak ,  Kiyong Yang ,  JinSu Moon ,  MyungWon Seo

IPC: H01L27/15 ,  H01L25/18 ,  H01L33/50 ,  H01L33/00 ,  H01L33/44 ,  G09G3/3225 ,  H01L27/12 ,  G09G3/32 ,  H01L25/075

Abstract: A light-emitting diode (LED) chip and a display device having the same are provided. A green LED is regrown on a blue LED to produce blue and green light, and a red phosphor is disposed on the blue or green LED to produce red light. Red light, green light, and blue light are to be produced using a single LED chip. The single LED chip forms three subpixels therein so as to facilitate a transfer process of the LED chip to a display panel. The LED chip is configured based on the blue, green, and blue LEDs so as to facilitate the fabrication and driving of the LED chip.

公开(公告)号：US20230205009A1

公开(公告)日：2023-06-29

申请号：US17978808

申请日：2022-11-01

Applicant: LG Display Co., Ltd.

Inventor： KiSung Lim ,  JinSu Moon ,  MyungWon Seo ,  Hyunmin Park

IPC: G02F1/1335 ,  F21V8/00

CPC classification number: G02F1/133614 ,  G02B6/0031

Abstract: A backlight unit and a display device are disclosed. There may be provided a backlight unit and a display device with enhanced light absorption of light of an absorption wavelength band and enhanced color gamut, by including a color conversion layer (or color conversion film) for converting the wavelength band of the light emitted from a light source and a light absorption layer (or light absorption film) for absorbing light of a specific absorption wavelength band, in an area adjacent the light source.

公开(公告)号：US20230026878A1

公开(公告)日：2023-01-26

申请号：US17857577

申请日：2022-07-05

Applicant: LG Display Co., Ltd.

Inventor： RokHee Lee ,  Hyunmin Park ,  MyungWon Seo

IPC: G02F1/13357

Abstract: A backlight unit and a display device including the backlight unit is disclosed The backlight unit includes a light source protective element located on light sources, a base film located on the light source protective element, and a plurality of optical path control patterns, each of which is located to overlap a corresponding one of the light sources, that are disposed on at least one of both surfaces of the base film and configured to direct traveling paths of at least some of incident light rays, the optical path control patterns including an acrylic-based resin or a polyester-based resin and at least one type of inorganic particles dispersed in the resins, thereby enabling a thickness of the backlight unit to be reduced and image quality to improve.