公开(公告)号：US20230014363A1

公开(公告)日：2023-01-19

申请号：US17860731

申请日：2022-07-08

Applicant: Japan Display Inc.

Inventor： Masanobu IKEDA ,  Yoshinori TANAKA ,  Jin HIROSAWA

IPC: H01L33/58 ,  H01L27/15

Abstract: A display device includes a substrate, a plurality of first light-emitting elements and a plurality of second light-emitting elements provided in a display region of the substrate, a first lens provided overlapping each of the first light-emitting elements and having a first diameter in planar view seen from a direction perpendicular to the substrate, and a second lens provided overlapping each of the second light-emitting elements and having a second diameter smaller than the first diameter in planar view seen from the direction perpendicular to the substrate.

公开(公告)号：US20240329294A1

公开(公告)日：2024-10-03

申请号：US18613218

申请日：2024-03-22

Applicant: Japan Display Inc.

Inventor： Yoshinori TANAKA ,  Keita Ono

IPC: F21V8/00 ,  G02F1/1333

CPC classification number: G02B6/0091 ,  G02F1/133302

Abstract: According to one embodiment, an illumination device emits light toward a display panel and includes a transparent substrate having a first main surface opposed to the display panel, a second main surface on a side opposite to the first main surface, and a first side surface connecting the first main surface with the second main surface, and a light source emitting light toward the first side surface. The first side surface has a first intersection surface intersecting a thickness direction from the first main surface to the second main surface.

公开(公告)号：US20230022736A1

公开(公告)日：2023-01-26

申请号：US17861264

申请日：2022-07-11

Applicant: Japan Display Inc.

Inventor： Yoshinori TANAKA ,  Jin HIROSAWA ,  Masanobu IKEDA

IPC: H01L25/16 ,  H01L33/60 ,  H01L27/12

Abstract: A display device includes a first planarization film including an opening, a reflective film provided on an inclined surface inside the opening in the first planarization film, an LED chip surrounded by the reflective film and provided inside the opening, and a second planarization film provided on the first planarization film, surrounding the LED chip, and filling the opening, wherein a height from an upper end of the inclined surface of the first planarization film to an interface with air in the second planarization film is 20 μm or less.

公开(公告)号：US20220302096A1

公开(公告)日：2022-09-22

申请号：US17695126

申请日：2022-03-15

Applicant: Japan Display Inc.

Inventor： Masanobu IKEDA ,  Yoshinori TANAKA ,  Jin HIROSAWA

IPC: H01L25/16 ,  H01L33/60 ,  H01L27/12 ,  H01L23/00

Abstract: A display device includes a substrate, a plurality of light-emitting elements and a plurality of transistors provided to the substrate, a first organic insulating film that is provided covering the transistors and is in direct contact with at least one of a source electrode and a drain electrode of the transistors, an anode electrode provided on the first organic insulating film and electrically coupled to each of the light-emitting elements, a cavity formed in the first organic insulating film and recessed toward the substrate, and a reflective layer provided covering a side and a bottom of the cavity formed in the first organic insulating film