公开(公告)号：US20250035819A1

公开(公告)日：2025-01-30

申请号：US18708412

申请日：2022-01-10

Applicant: LG ELECTRONICS INC.

Inventor： Naree KIM ,  Dongjin YOON ,  Seunghwan CHA ,  Sangtae PARK

IPC: G02B1/11 ,  G02B1/14 ,  H01L25/075 ,  H01L33/58

Abstract: The present disclosure is applicable to the technical field of display devices and relates to, for example, a display device which uses a composite optical film and a light-emitting diode (LED). To achieve the aforementioned objective, the present disclosure comprises: a display panel; and a composite optical film which is positioned on the display panel, wherein the composite optical film includes an adhesive layer which is attached to the display panel and includes a light scattering agent. The refractive index of the light scattering agent may be greater than that of the adhesive layer.

公开(公告)号：US20240372047A1

公开(公告)日：2024-11-07

申请号：US18285792

申请日：2021-04-06

Applicant: LG ELECTRONICS INC.

Inventor： Naree KIM ,  Kiseok KIM ,  Dongkyu LEE ,  Jeongsik CHOI ,  Sangtae PARK

IPC: H01L33/58 ,  G09F9/302 ,  H01L25/075 ,  H01L27/15 ,  H01L33/62

Abstract: Disclosed is a display device. The display device may include: a display panel; and a module cover to which the display panel is coupled, wherein the display panel may include: a flat substrate; a plurality of electrode pads formed on the substrate; a plurality of light emitting elements mounted on each of the plurality of electrode pads; an optical layer covering the plurality of light emitting elements, and formed on the substrate; and a plurality of fillers formed of a spherical particle, and distributed inside the optical layer, wherein 75 to 80 percent of the plurality of fillers may have a diameter of 2 to 16 micrometers, and a weight ratio of the plurality of fillers compared to the optical layer may be 15 to 23 percent.

公开(公告)号：US20240421272A1

公开(公告)日：2024-12-19

申请号：US18734962

申请日：2024-06-05

Applicant: LG ELECTRONICS INC.

Inventor： Hongkey PARK ,  Naree KIM ,  Hyunjong KIM ,  Dongkyu LEE ,  Jeongsik CHOI

IPC: H01L33/58 ,  H01L25/16 ,  H01L33/52

Abstract: The present disclosure is applicable to a display device related technical field and relates to a display device using a composite optical film and a light emitting element for example. The present disclosure may include a wiring substrate, an electrode pad partitioned on the wiring substrate, a multitude of light emitting elements forming a unit pixel by being connected to the electrode pad, an optical film layer forming a film on a multitude of the light emitting elements and including a filler, and an encapsulation layer positioned on the optical film layer.