公开(公告)号：US20240027831A1

公开(公告)日：2024-01-25

申请号：US18353941

申请日：2023-07-18

Applicant: Japan Display Inc.

Inventor： Chikyu NAKAOKA

IPC: G02F1/1335 ,  G02F1/13357

CPC classification number: G02F1/133607 ,  G02F1/133504 ,  G02F1/133603

Abstract: According to one embodiment, in the display device, on the substrate opposed the liquid crystal panel, an element is formed by grooves having steps in a minute and periodic pattern, and the element separates the backlight from the light source unit into light of different color wavelengths and diffract them toward the corresponding color subpixels of the liquid crystal panel. In the light source unit, the first lens shapes the incident light from the light source according to the shape of the display surface of the panel, and the second lens irradiates the light incident surface of the substrate with the light shaped by the first lens as the backlight.

公开(公告)号：US20220377305A1

公开(公告)日：2022-11-24

申请号：US17875410

申请日：2022-07-28

Applicant: Japan Display Inc.

Inventor： Daisuke OZEKI ,  Takeo KOITO ,  Chikyu NAKAOKA

IPC: H04N13/117 ,  H04N13/31 ,  G02B27/01

Abstract: According to one embodiment, an image processing device includes an acquisition unit which obtains a target image, a generation unit which generates a three-dimensional image by reordering a plurality of video signals corresponding to the obtained target image such that each of the video signals is written to one of a plurality of pixels arranged in a horizontal direction while skipping a predetermined number of pixels, and an output unit which outputs the generated three-dimensional image to a display device.

公开(公告)号：US20220342258A1

公开(公告)日：2022-10-27

申请号：US17860387

申请日：2022-07-08

Applicant: Japan Display Inc.

Inventor： Chikyu NAKAOKA ,  Masaaki KABE

IPC: G02F1/1335 ,  G02F1/13357

Abstract: According to one embodiment, a display device includes a display panel that includes a display portion including pixels and a non-display portion including an opening, an illumination device, and a color separation element provided between the display panel and the illumination device. The color separation element includes a first element overlapping the pixel and a second element overlapping the opening, the first element separates illumination light from the illumination device into light of a plurality of colors and irradiates the pixel with the light, and the second element separates illumination light from the illumination device into light of a plurality of colors and irradiates the opening with the light.

公开(公告)号：US20180122332A1

公开(公告)日：2018-05-03

申请号：US15727931

申请日：2017-10-09

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Masaaki KABE ,  Chikyu NAKAOKA

IPC: G09G5/02

Abstract: According to one embodiment, a display device, includes a first main pixel, wherein the first main pixel comprises a first sub-pixel displaying a first color, a second sub-pixel displaying a second color different from the first color, and a third sub-pixel displaying a third color different from the first and second colors, the first and second sub-pixels are arranged in a second direction, the first and third sub-pixels are arranged in a first direction, and the second and third sub-pixels are arranged in the first direction, and each of the first and second sub-pixels has a first length in the first direction, and the third sub-pixel has a second length smaller than the first length in the first direction.

公开(公告)号：US20230314864A1

公开(公告)日：2023-10-05

申请号：US18329934

申请日：2023-06-06

Applicant: Japan Display Inc.

Inventor： Chikyu NAKAOKA ,  Masaaki KABE

IPC: G02F1/1335 ,  G02F1/13357 ,  G02F1/1333

CPC classification number: G02F1/133504 ,  G02F1/133567 ,  G02F1/133512 ,  G02F1/133602 ,  G02F1/133621 ,  G02F1/133354 ,  G02F1/133528 ,  G02F2202/28 ,  G02F2201/305

Abstract: According to one embodiment, a display device includes a display panel that includes a display portion including pixels and a non-display portion including an opening, an illumination device, and a color separation element provided between the display panel and the illumination device. The color separation element includes a first element overlapping the pixel and a second element overlapping the opening, the first element separates illumination light from the illumination device into light of a plurality of colors and irradiates the pixel with the light, and the second element separates illumination light from the illumination device into light of a plurality of colors and irradiates the opening with the light.

公开(公告)号：US20220026761A1

公开(公告)日：2022-01-27

申请号：US17450604

申请日：2021-10-12

Applicant: Japan Display Inc.

Inventor： Chikyu NAKAOKA ,  Masaaki KABE

IPC: G02F1/1335

Abstract: According to one embodiment, a display device includes a display panel that includes a display portion including pixels and a non-display portion including an opening, an illumination device, and a color separation element provided between the display panel and the illumination device. The color separation element includes a first element overlapping the pixel and a second element overlapping the opening, the first element separates illumination light from the illumination device into light of a plurality of colors and irradiates the pixel with the light, and the second element separates illumination light from the illumination device into light of a plurality of colors and irradiates the opening with the light.

公开(公告)号：US20180315385A1

公开(公告)日：2018-11-01

申请号：US15962612

申请日：2018-04-25

Applicant: Japan Display Inc.

Inventor： Kojiro IKEDA ,  Masaaki KABE ,  Chikyu NAKAOKA

IPC: G09G3/36 ,  G02F1/133 ,  G02F1/1335

CPC classification number: G09G3/3607 ,  G02F1/13306 ,  G02F1/133514 ,  G02F2201/52 ,  G02F2203/30 ,  G09G3/3611 ,  G09G3/364

Abstract: According to an aspect, a display device includes a plurality of pixels. Each pixel includes two sub-pixels adjacent to each other in a first direction. Each sub-pixel has one of three colors allocated thereto. Two colors of the two sub-pixels included in the pixel are different. The two colors of the two sub-pixels and a positional relation between the two sub-pixels are the same in each of the pixels arrayed in a second direction. One color not allocated to the two sub-pixels included in a first pixel out of the three colors is allocated to at least one of the sub-pixels included in second pixels adjacent to the first pixel in the first direction. The sub-pixels having the same color allocated thereto are arranged along the first direction with one sub-pixel interposed therebetween, the one sub-pixel having another color allocated thereto.

公开(公告)号：US20250146928A1

公开(公告)日：2025-05-08

申请号：US19018010

申请日：2025-01-13

Applicant: Japan Display Inc.

Inventor： Tomoyuki ISHIHARA ,  Akihiko FUJISAWA ,  Chikyu NAKAOKA ,  Tsutomu HARADA ,  Kaoru ITO ,  Norio MAMBA

IPC: G01N21/17

Abstract: According to an aspect, a detection device includes: a plurality of photodiodes provided on a substrate; a plurality of light emitters arranged so as to face the photodiodes; and a collimating lens that is located between the photodiodes and the light emitters and is configured to emit parallel light toward the photodiodes. At least one of the light emitters is configured to be brought into a lit state and other of the light emitters are configured to be brought into an unlit state. The collimating lens is configured to emit the parallel light at a different emission angle depending on a position of the light emitter in the lit state.

公开(公告)号：US20250138312A1

公开(公告)日：2025-05-01

申请号：US18925431

申请日：2024-10-24

Applicant: Japan Display Inc.

Inventor： Kazunari TOMIZAWA ,  Chikyu NAKAOKA ,  Takeo KOITO ,  Yuta HAGA

IPC: G02B27/01

Abstract: According to an aspect, a display device includes: a backlight, first and second image display panels. The first image display panel includes: a first polarizing plate configured to transmit light polarized in a first direction and block light polarized in a direction different from the first direction; and a first color filter provided between the first polarizing plate and the second image display panel. The second image display panel includes: a second polarizing plate configured to transmit light polarized in a second direction and block light polarized in a direction different from the second direction; and a second color filter provided between at least the second polarizing plate and the first image display panel. The thickness of the first color filter is different from the thickness of the second color filter. Another polarizing plate is not provided between the first image display panel and the second image display panel.

公开(公告)号：US20250110335A1

公开(公告)日：2025-04-03

申请号：US18899315

申请日：2024-09-27

Applicant: Japan Display Inc.

Inventor： Kazunari TOMIZAWA ,  Chikyu NAKAOKA ,  Takeo KOITO

IPC: G02B27/01

Abstract: According to an aspect, a head-up display causes an image reflected by a light transmitting member to be superimposed on a real image transmitted by the light transmitting member and causes the superimposed image to be visually recognized as a virtual image by an viewer. The head-up display includes a display device and a magnification optical system. The display device includes a backlight, a first image display panel that receives direct light from the backlight, and a second image display panel that is disposed with a gap between the second image display panel and the first image display panel and receives light transmitted by the first image display panel. The first image display panel includes a first polarizer provided between the first image display panel and the backlight. The second image display panel includes a second polarizer provided between the second image display panel and the magnification optical system.