公开(公告)号：US10908452B2

公开(公告)日：2021-02-02

申请号：US16168996

申请日：2018-10-24

Applicant: Japan Display Inc.

Inventor： Takayuki Nakanishi ,  Tatsuya Yata ,  Takeo Koito

IPC: G02F1/1335 ,  G02F1/1337 ,  G02F1/13363 ,  G02F1/1347

Abstract: According to one embodiment, an optical element, including a first liquid crystal lens formed of liquid crystal molecules, a polarizer opposed to the first liquid crystal lens, a first modulating portion located between the first liquid crystal lens and the polarizer to modulate incident light and a first unmodulating portion located between the first liquid crystal lens and the polarizer and adjacent to the first modulating portion.

公开(公告)号：US10585329B2

公开(公告)日：2020-03-10

申请号：US15917961

申请日：2018-03-12

Applicant: Japan Display Inc.

Inventor： Takayuki Nakanishi ,  Tatsuya Yata ,  Takeo Koito

IPC: G02F1/29 ,  G02F1/133 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1333

Abstract: According to one embodiment, a photodetector includes a sensor unit including at least one photosensor, a liquid crystal element including a first substrate includes a plurality of first control electrodes, a second substrate including a second control electrode, and a liquid crystal layer held between the first substrate and the second substrate, a liquid crystal controller which controls a voltage to be applied to the liquid crystal layer for forming a first lens that is opposed to the photosensor in the liquid crystal layer, and a sensor controller which controls the sensor unit.

公开(公告)号：US10573252B2

公开(公告)日：2020-02-25

申请号：US15598552

申请日：2017-05-18

Applicant: Japan Display Inc.

Inventor： Shigenori Aoki ,  Tatsuya Yata ,  Tsutomu Harada

IPC: G09G3/34 ,  G02F1/1335 ,  G09G3/36

Abstract: According to one embodiment, a display device includes a display panel including a first sub display area and a second sub display area, and an illumination device, wherein the illumination device includes a first light source opposed to the first sub display area, a second light source opposed to the second sub display area, and a partition positioned between the first and second light sources and the display panel, and the partition includes a first side surface surrounding the first light source, a second side surface surrounding the second light source, and a connector which connects the first side surface and the second side surface, and the connector is formed of curved surfaces, or two or more flat surfaces, or a combination of curved surfaces and flat surfaces.

公开(公告)号：US10514570B2

公开(公告)日：2019-12-24

申请号：US15912007

申请日：2018-03-05

Applicant: Japan Display Inc.

Inventor： Chikyu Nakaoka ,  Masaaki Kabe ,  Tatsuya Yata ,  Kojiro Ikeda

IPC: G02F1/1335 ,  G02F1/1362 ,  G02F1/13 ,  G02B5/30 ,  G02B5/18 ,  G02B5/02 ,  G02B5/04 ,  F21V8/00 ,  G02B5/20 ,  G02B6/293 ,  G02B6/34

Abstract: According to one embodiment, a display device includes a first arrangement layer and a second arrangement layer. The first layer includes a first pixel, a second pixel, and a third pixel are arranged periodically in one direction. The second layer is opposed to the first layer, and the second layer includes a first element, a second element, and a third element which are arranged periodically to correspond to the first pixel, the second pixel, and the third pixel, respectively, and separate emission light to light of wavelength corresponding to a first color, light of wavelength corresponding to a second color, and light of wavelength corresponding to a third color to be emitted on the first pixel, the second pixel, and the third pixel, respectively.

公开(公告)号：US20190250460A1

公开(公告)日：2019-08-15

申请号：US16393368

申请日：2019-04-24

Applicant: Japan Display Inc.

Inventor： Tatsuya Yata ,  Kazunari Tomizawa

IPC: G02F1/1335 ,  G09G3/36 ,  G02F1/133 ,  G02F1/1343 ,  G02F1/1362

Abstract: According to an aspect, a display device includes: a controller; and a pixel including: first to fourth sub-pixels including respective first to fourth color filters transmitting light having respective spectrum peaks falling on a spectrum of reddish green, a spectrum of bluish green, a spectrum of red, and a spectrum of blue, respectively. The first to fourth sub-pixels each include a reflective electrode reflecting light transmitted through the color filter. The first to fourth sub-pixels are each divided into sub-divided pixels having different areas to perform multiple gradation expression through a combination of whether each of the sub-divided pixels reflects light. The controller stores patterns of combinations of whether each of the sub-divided pixels reflects light according to an input signal, and controls operations of the sub-divided pixels through use of any one of the patterns based on a predetermined condition including light intensity.

公开(公告)号：US10254541B2

公开(公告)日：2019-04-09

申请号：US15797717

申请日：2017-10-30

Applicant: Japan Display Inc.

Inventor： Tatsuya Yata ,  Naoyuki Takasaki

IPC: G03B21/28 ,  G02B27/01 ,  G02B27/28 ,  G02F1/01 ,  G02F1/1335 ,  G02F1/1368 ,  G02F1/137 ,  G09G3/34 ,  G09G3/00 ,  G02B5/30

Abstract: According to one embodiment, a display device includes a polarization separation element which transmits first polarized light, and reflects second polarized light, a first optical modulation unit which displays a first image by using transmitted light, a second optical modulation unit which displays a second image by using reflected light, and a projector which projects the first image onto a first projection area of a projection plane, and projects the second image onto a second projection area different from the first projection area of the projection plane.

公开(公告)号：US20190033663A1

公开(公告)日：2019-01-31

申请号：US16144852

申请日：2018-09-27

Applicant: Japan Display Inc.

Inventor： Tatsuya Yata ,  Kentaro Okuyama

IPC: G02F1/1335 ,  G02F1/1334

CPC classification number: G02F1/133615 ,  G02F1/1334 ,  G02F1/133514 ,  G02F1/136286 ,  G02F2001/133618 ,  G02F2201/58

Abstract: According to one embodiment, a display device comprises first and second substrate having light transmissivity and opposing each other, a light-modulating layer arranged between the first substrate and the second substrate, a light source unit which illuminates the light-modulating layer from an outer side of a position which opposes a display area, along a normal direction, first to third color filters of different colors arranged on the first substrate, and first to third electrodes which oppose the first to third color filters, respectively, the light-modulating layer being able to change light dispersibility of each of regions which oppose the first to third color filters according to the electric field produced by each respective one of the first to third electrodes.

公开(公告)号：US10139946B2

公开(公告)日：2018-11-27

申请号：US15142325

申请日：2016-04-29

Applicant: Japan Display Inc.

Inventor： Takayuki Nakanishi ,  Tatsuya Yata ,  Masaya Tamaki

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/36

Abstract: An input device includes a first substrate, a light-emitting element unit, and third conductive layers. The first substrate includes first and second surfaces. The light-emitting element unit includes: first conductive layers formed in one layer on the second surface side; second conductive layers formed in one layer on the second surface side different from the layer of the first conductive layers; and a luminescent layer provided between the first and the second conductive layers and electrically in contact therewith. The third conductive layers are formed to be insulated from the first and the second conductive layers and not to intersect with the second conductive layers in planar view, and are configured to detect a change in an electric field between the first and the third conductive layers depending on coordinates of a proximity object at a position overlapping with the first conductive layers and the first surface in planar view.

公开(公告)号：US20180314108A1

公开(公告)日：2018-11-01

申请号：US15959446

申请日：2018-04-23

Applicant: Japan Display Inc.

Inventor： Tatsuya Yata ,  Kazunari Tomizawa

IPC: G02F1/1335 ,  G02F1/1343

Abstract: According to an aspect, a display device includes a pixel including: a first sub-pixel including a first color filter transmitting light having a spectrum peak falling on a spectrum of reddish green; a second sub-pixel including a second color filter transmitting light having a spectrum peak falling on a spectrum of bluish green; a third sub-pixel including a third color filter transmitting light having a spectrum peak falling on a spectrum of red; and a fourth sub-pixel including a fourth color filter transmitting light having a spectrum peak falling on a spectrum of blue. The first, second, third, and fourth sub-pixels each include a reflective electrode reflecting light transmitted through the color filter. Each of the third and fourth sub-pixels is greater in size than the first and second sub-pixels. The first sub-pixel with the second sub-pixel has a size equal to or greater than that of the third sub-pixel.

公开(公告)号：US10102810B2

公开(公告)日：2018-10-16

申请号：US14982465

申请日：2015-12-29

Applicant: Japan Display Inc.

Inventor： Takayuki Nakanishi ,  Tatsuya Yata

IPC: G09G3/34 ,  G09G3/20 ,  G09G3/36 ,  G09G3/3225 ,  G09G3/32

Abstract: A display device includes: an image display panel including a plurality of pixels each including a first sub-pixel, a second sub-pixel, and a third sub-pixel that display a first color to a third color; and a signal processing unit. The signal processing unit stores an expanded color space, acquires an expansion coefficient for expanding a color displayed by the image display panel to a color that can be extended in the expanded color space, obtains output signals of the first sub-pixel to the third sub-pixel based on at least input signals of the first sub-pixel to the third sub-pixel and the expansion coefficient, and outputs the output signals to the first sub-pixel to the third sub-pixel. The expanded color space is a color space that can extend a color the brightness of which is higher than brightness in a standard color space.