公开(公告)号：US20230127372A1

公开(公告)日：2023-04-27

申请号：US17970681

申请日：2022-10-21

Applicant: Japan Display Inc.

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

IPC: G03H1/22 ,  G02B5/30

Abstract: According to one embodiment, a display device includes a display panel, a holographic element which reflects light having a specific incident angle and transmits light having an incident angle different from the specific incident angle, a retardation film provided between the display panel and the holographic element, a transflective element which reflects, of the light which passed through the holographic element, first circularly polarized light, and transmits second circularly polarized light rotating in an opposite direction of the first circularly polarized light, and a lens element which has a lens effect of condensing the second circularly polarized light which passed through the transflective element.

公开(公告)号：US20220113544A1

公开(公告)日：2022-04-14

申请号：US17450482

申请日：2021-10-11

Applicant: Japan Display Inc.

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

IPC: G02B27/01 ,  G02F1/1335 ,  G02F1/13363

Abstract: According to one embodiment, a display device including a display panel configured to emit display light of linear polarization, a first retardation plate, a second retardation plate, a reflective polarizer configured to pass first linear polarized light, and to reflect second linear polarized light, a transflective layer including a concave surface opposed to the second retardation plate, and a transparent solid with almost zero refractive anisotropy, wherein the first retardation plate and the second retardation plate are a quarter-wave plate, and the transparent solid includes a first surface shaped convex to be opposed to the concave surface, and a second surface opposed to the reflective polarizer.

公开(公告)号：US20210149243A1

公开(公告)日：2021-05-20

申请号：US17159800

申请日：2021-01-27

Applicant: Japan Display Inc. ,  Panasonic Liquid Crystal Display Co., Ltd.

Inventor： Shoichi HIROTA ,  Shinichi KOMURA ,  Yoshifumi SEKIGUCHI ,  Tsunenori YAMAMOTO ,  Masaya ADACHI

IPC: G02F1/1335 ,  H01L27/32 ,  G09G3/36 ,  G02F1/1343 ,  G02F1/1362 ,  G09G3/20

Abstract: A color display device comprises an array of a plurality of sub-pixels including a red sub-pixel, a blue sub-pixel, a first green sub-pixel and a second green sub-pixel. The first green sub-pixel and the second green sub-pixel are smaller than that of the red sub-pixel or the blue sub-pixel. The two adjacent first green sub-pixels are arranged in a first direction, the two adjacent second green sub-pixels are arranged in the first direction. The blue sub-pixel is directly adjacent to the red sub-pixel in a second direction; the blue sub-pixel is directly adjacent to the two first green sub-pixels and the two second green sub-pixels.

公开(公告)号：US20170139111A1

公开(公告)日：2017-05-18

申请号：US15349542

申请日：2016-11-11

Applicant: Japan Display Inc.

Inventor： Shinichi KOMURA ,  Toshihiko Fukuma ,  Youichi Asakawa ,  Ken Onoda

IPC: F21V8/00 ,  G02F1/1335

CPC classification number: G02B6/0056 ,  G02B6/005 ,  G02B6/0051 ,  G02B6/0055 ,  G02F1/133615 ,  G02F1/133617 ,  G02F1/13362 ,  G02F2001/133614 ,  G02F2201/123 ,  G02F2202/36

Abstract: According to one embodiment, a display device includes a light source unit, a light guide unit, a lens, and a light emitting layer. The light source unit emits light to the light guide unit. The lens concentrates the light emitted from the light source unit. The light guide unit guides the light concentrated by the lens toward the light emitting layer. The light guided by the light guide unit is transmitted to the light emission layer without any intervening prism layer.

公开(公告)号：US20140306879A1

公开(公告)日：2014-10-16

申请号：US14249475

申请日：2014-04-10

Applicant: Japan Display Inc.

Inventor： Shinichiro OKA ,  Shinichi KOMURA ,  Tomohiko NAGANUMA

IPC: G06F3/01 ,  G09G3/36 ,  H04N13/04

CPC classification number: G06F3/013 ,  G09G3/003 ,  G09G3/3406 ,  G09G3/36 ,  G09G2320/0626 ,  G09G2354/00 ,  H04N13/305 ,  H04N13/31 ,  H04N13/351 ,  H04N13/366 ,  H04N13/383 ,  H04N13/398

Abstract: Two-parallax autostereoscopic display device using eye tracking has a problem in which the brightness is varied depending on the direction of viewing angle. A 3D display device is provided with a detection part for recognizing a position of eyes from an image taken by a camera; a separation mechanism which enables a 3D image to be regenerated at the optimum position for eyes based on information on the position of eyes detected by the detection part; a display device for displaying a plurality of different parallax images at the same time; a backlight attached to the display device; and a backlight control part for controlling the backlight, wherein the backlight control part determines brightness of the backlight in accordance with the position of eyes determined by the detection part.

Abstract translation: 使用眼睛跟踪的双视差自动立体显示装置存在亮度根据视角的方向而变化的问题。 3D显示装置设置有用于从由照相机拍摄的图像识别眼睛的位置的检测部分; 基于由所述检测部检测出的眼睛的位置的信息，能够使3D图像在眼睛的最佳位置再生的分离机构; 显示装置，用于同时显示多个不同的视差图像; 附接到显示装置的背光; 以及用于控制背光的背光控制部，其中，所述背光控制部根据由所述检测部确定的眼睛的位置来确定所述背光的亮度。

公开(公告)号：US20240255688A1

公开(公告)日：2024-08-01

申请号：US18419586

申请日：2024-01-23

Applicant: Japan Display Inc.

Inventor： Yasuhiro TAKAHASHI ,  Shinichi KOMURA

IPC: F21V8/00

CPC classification number: G02B6/0036 ,  G02B6/0056 ,  G02B6/0076 ,  G02B6/0031

Abstract: According to one embodiment, an illumination includes a first light guide including a first main surface, a second main surface, and a first side surface, a first light source applying a first linearly polarized light toward the first side surface, and a first retardation film provided on the first side surface and providing a phase difference to light emitted from the first light source. The first side surface is an inclined surface including a first end portion and a second end portion, and a distance between the second end portion and the first light source is smaller than a distance between the first end portion and the first light source.

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：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.