公开(公告)号：US20170153376A1

公开(公告)日：2017-06-01

申请号：US15363055

申请日：2016-11-29

Applicant: Japan Display Inc.

Inventor： Ken ONODA ,  Shinichi KOMURA ,  Youichi ASAKAWA ,  Toshihiko FUKUMA

IPC: F21V8/00 ,  G02F1/1335

CPC classification number: G02B6/0031 ,  G02B6/0023 ,  G02B6/0028 ,  G02B6/003 ,  G02B6/0038 ,  G02B6/0056 ,  G02B6/0068 ,  G02F1/133504 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/13362 ,  G02F2001/133562

Abstract: In one embodiment, a light-emitting device includes a light source unit which emits polarized light in a first direction, a bending portion which is irradiated with the polarized light in the first direction and bends the light in a second direction, and a lightguide member which is irradiated with the polarized light caused to bend in the bending portion. The lightguide member comprises an exit surface, bends the polarized light in a third direction, and emits the light through the exit surface. The light source unit includes a first source which emits first light, and a second source which emits second light. The bending portion includes a first incident portion which the first light enters, and a second incident portion which the second light enters.

公开(公告)号：US20240004238A1

公开(公告)日：2024-01-04

申请号：US18342841

申请日：2023-06-28

Applicant: Japan Display Inc.

Inventor： Masafumi OKADA ,  Shinichi KOMURA ,  Ken ONODA

IPC: G02F1/13357 ,  G02F1/1335

CPC classification number: G02F1/133621 ,  G02F1/133609 ,  G02F1/133613 ,  G02F1/133603

Abstract: According to one embodiment, an illumination device includes red light emitting elements, green light emitting elements and blue light emitting elements opposing a first side surface of a first light guide, and the red light emitting elements, the green light emitting elements and the blue light emitting elements are disposed along the first side surface in a third direction that intersects the first direction and the second direction, and, arranged to be symmetrical with respect to a central axis of the third direction of the first side surface.

公开(公告)号：US20230408751A1

公开(公告)日：2023-12-21

申请号：US18336054

申请日：2023-06-16

Applicant: Japan Display Inc.

Inventor： Koji FUJISAWA ,  Ken KAGABU ,  Hiroaki KIJIMA ,  Ken ONODA

IPC: F21V8/00

CPC classification number: G02B6/0076 ,  G02B6/0055 ,  G02B6/0053

Abstract: According to one embodiment, an illumination device includes a first light guide, a second light guide and a plurality of light sources. The first light guide includes a first main surface, a second main surface facing the first main surface, and a first side surface connected to the second light guide. The first side surface further includes a first connection surface and a second connection surface. The first connection surface extends from an end portion of the first main surface to the second main surface and obliquely extends so as to move away from the second side surface. The second connection surface perpendicularly extends from an end portion of the first connection surface to an end portion of the second main surface.

公开(公告)号：US20230185007A1

公开(公告)日：2023-06-15

申请号：US18073566

申请日：2022-12-02

Applicant: Japan Display Inc.

Inventor： Shinichi KOMURA ,  Koichi OKUDA ,  Ken ONODA ,  Hiroaki KIJIMA

IPC: G02B5/30 ,  G02B3/02

CPC classification number: G02B5/3016 ,  G02B3/02

Abstract: According to one embodiment, a lens portion includes a first lens element converging while converting first circularly polarized light into second circularly polarized light and a second lens element converging while converting the second circularly polarized light into the first circularly polarized light. Each of the first lens element and the second lens element includes first liquid crystal molecules, and the alignment direction of the first liquid crystal molecules of the first lens element is line symmetry with the alignment direction of the first liquid crystal molecules of the second lens element.

公开(公告)号：US20230152630A1

公开(公告)日：2023-05-18

申请号：US17987890

申请日：2022-11-16

Applicant: Japan Display Inc.

Inventor： Hiroaki KIJIMA ,  Shinichi KOMURA ,  Koichi OKUDA ,  Ken ONODA

IPC: G02F1/13357 ,  G02F1/1335 ,  F21V8/00

CPC classification number: G02F1/133615 ,  G02F1/133504 ,  G02F1/13362 ,  G02F1/133524 ,  G02B6/0076 ,  G02B6/0028 ,  G02B6/0068 ,  G02B6/0021

Abstract: According to one embodiment, an illumination device includes a first light guide having a first side surface, a second side surface located on a side opposite to the first side surface in a first direction, a first main surface, and a first opposed surface located on a side opposite to the first main surface in a second direction intersecting the first direction and a first light source opposed to the first side surface to emit first P-polarized light to the first side surface, the first side surface is inclined to the first main surface and the first opposed surface, the first light source is inclined to a first straight line perpendicular to the first side surface.

公开(公告)号：US20220320818A1

公开(公告)日：2022-10-06

申请号：US17657379

申请日：2022-03-31

Applicant: Japan Display Inc.

Inventor： Shinichi KOMURA ,  Koichi OKUDA ,  Ken ONODA ,  Hiroaki KIJIMA

IPC: H01S5/00 ,  F21V8/00 ,  H01S5/40

Abstract: According to one embodiment, an illumination device includes a light guide having a first plane, a second plane, a side plane, a first tilted plane, and a second tilted plane, an angle formed between the side plane and the first tilted plane and an angle formed between the side plane and the second tilted plane being acute angles, a first semiconductor laser element including a first light emitting part, and a second semiconductor laser element including a second light emitting part. The first light emitting part is opposed to a first intersection part of the side plane and the first tilted plane, and the second light emitting part is opposed to a second intersection part of the side plane and the second tilted plane.

公开(公告)号：US20220113595A1

公开(公告)日：2022-04-14

申请号：US17450477

申请日：2021-10-11

Applicant: Japan Display Inc.

Inventor： Shinichi KOMURA ,  Koichi OKUDA ,  Ken ONODA ,  Hiroaki KIJIMA

IPC: G02F1/13363 ,  G02F1/1335

Abstract: According to one embodiment, a display device including a display panel emitting display light of linearly polarized light, a semi-transparent layer, a first retardation film, a reflective polarizer transmitting first linearly polarized light and reflecting second linearly polarized light orthogonal to the first linearly polarized light, a second retardation film, an element, and a third retardation film arranged between the reflective polarizer and the element, wherein the first retardation film, the second retardation film, and the third retardation film are quarter-wave plates, and the element has a lens action of condensing first circularly polarized light.

公开(公告)号：US20210294023A1

公开(公告)日：2021-09-23

申请号：US17340651

申请日：2021-06-07

Applicant: Japan Display Inc.

Inventor： Hiroaki KIJIMA ,  Shinichi KOMURA ,  Yoichi ASAKAWA ,  Ken ONODA

IPC: F21V8/00

Abstract: According to one embodiment, the illumination device includes a first area, a second area, a first light guide, a plurality of first light sources, a second light guide, a plurality of second light sources, a first layer and a second layer. The first layer extends from the first area over a boundary between the first area and the second area, to between a second side surface of the first light guide and the boundary. The second layer extends from the second area over the boundary to between a third side surface of the second light guide and the boundary.

公开(公告)号：US20180074247A1

公开(公告)日：2018-03-15

申请号：US15699316

申请日：2017-09-08

Applicant: Japan Display Inc.

Inventor： Youichi ASAKAWA ,  Toshihiko FUKUMA ,  Ken ONODA ,  Shinichi KOMURA

IPC: F21V8/00

CPC classification number: G02B6/003 ,  G02B6/0018 ,  G02B6/0021 ,  G02B6/0038 ,  G02B6/0068

Abstract: According to one embodiment, an illumination device includes a light guide, a plurality of light sources, and a plurality of light diffusion structures. The light guide extends in a first direction and a second direction and having a thickness in a third direction. The plurality of light sources includes a first laser element and a second laser element. The plurality of light diffusion structures provides to correspond to the respective light sources, and located on an incidence surface of the light guide or between the incidence surface and the light sources. The light sources are arranged in the second direction. The first laser element and the second laser element are arranged in the first direction or the third direction, in each of the light sources.

公开(公告)号：US20170242302A1

公开(公告)日：2017-08-24

申请号：US15442185

申请日：2017-02-24

Applicant: Japan Display Inc.

Inventor： Youichi ASAKAWA ,  Toshihiko FUKUMA ,  Ken ONODA ,  Shinichi KOMURA

IPC: G02F1/1335 ,  G02F1/13363

CPC classification number: G02F1/133615 ,  G02F1/133504 ,  G02F1/133528 ,  G02F1/13362 ,  G02F1/133621 ,  G02F1/13363 ,  G02F2001/133614 ,  G02F2001/133638 ,  G02F2413/03 ,  G02F2413/07

Abstract: According to one embodiment, a display device includes a display panel including a first substrate, a second substrate, and an optical element layer provided between the substrates, a light directing unit facing the first substrate of the display panel, and including a first main surface disposed on a side facing the first substrate, and a second main surface disposed on a side reverse to the first main surface, and a light source unit disposed on the first substrate side with respect to the display panel, and emitting polarized light toward the first or second main surface. The polarized light is made incident on the first or second main surface, and directed perpendicularly to the optical element layer.