公开(公告)号：US10054819B2

公开(公告)日：2018-08-21

申请号：US15011922

申请日：2016-02-01

Applicant: Japan Display Inc.

Inventor： Hirohisa Miki ,  Shigesumi Araki

IPC: G02F1/1335

CPC classification number: G02F1/133617 ,  G02F1/133524 ,  G02F2202/36

Abstract: According to one embodiment, a display device includes an insulating substrate, a wavelength conversion element, a light propagation layer including a light-path portion formed between the insulating substrate and the wavelength conversion element, wherein an area of a surface on the insulating substrate side is greater than an area of a surface on the wavelength conversion element side, and a non-light-path portion formed of a material having a refractive index less than the light-path portion, the light-path portion being sandwiched between the non-light-path portions, and a reflective film formed between the non-light-path portion and the wavelength conversion element.

公开(公告)号：US20160209706A1

公开(公告)日：2016-07-21

申请号：US14986341

申请日：2015-12-31

Applicant: Japan Display Inc.

Inventor： Hirohisa Miki ,  Shigesumi Araki ,  Kazuhiro Nishiyama

IPC: G02F1/1335 ,  G02F1/1368

CPC classification number: G02F1/133617 ,  B82Y30/00 ,  G02F2001/136222 ,  Y10S977/765 ,  Y10S977/952

Abstract: There is provided a display device that can improve the use efficiency of light from a light source and achieve low power consumption with a simple configuration even in the case in which no color filter is used. A display device includes a substrate having a display region and a TFT disposed on the display region, wavelength conversion layers each including a columnar quantum rod and disposed on a region corresponding to the display region, and a light source that excites the quantum rods.

Abstract translation: 提供了一种能够提高来自光源的光的使用效率的显示装置，即使在不使用滤色器的情况下也能以简单的结构实现低功耗。 显示装置包括具有显示区域的基板和设置在显示区域上的TFT，各自包括柱状量子棒的波长转换层，并且设置在与显示区域相对应的区域上，以及激发量子棒的光源。

公开(公告)号：US09664959B2

公开(公告)日：2017-05-30

申请号：US14644565

申请日：2015-03-11

Applicant: Japan Display Inc.

Inventor： Hirohisa Miki ,  Shigesumi Araki

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

CPC classification number: G02F1/134309 ,  G02F1/133514 ,  G02F2001/133331 ,  G02F2001/133388 ,  G02F2001/134345

Abstract: In the case of a pixel including four and more sub pixels, the area of one pixel is larger than that in the case of a pixel including three sub pixels; therefore, high definition becomes difficult. When a central display area has a structure of four and more sub pixels, in a display device, the pixel structure in a peripheral display area for use in creating a virtual image is reduced to three sub pixels, to allocate the vacant space for high density assignment. Only the pixel density in the vicinity of a frame of a lens portion is compressed, in order to apparently resolve the discord with the image of a non-lens portion. The pixel side in the peripheral display area may be even or gradually narrowed.

公开(公告)号：US09726937B2

公开(公告)日：2017-08-08

申请号：US14680183

申请日：2015-04-07

Applicant: Japan Display Inc.

Inventor： Shiro Sumita ,  Hirohisa Miki

IPC: G02F1/1339 ,  B32B3/30 ,  B32B7/14 ,  B32B27/08

CPC classification number: G02F1/1339 ,  B32B3/30 ,  B32B7/14 ,  B32B27/08 ,  B32B2457/202 ,  G02F1/13394 ,  Y10T428/24612

Abstract: Recently, with an increasing demand for narrowing a frame, the seal line width is inclined to get finer, which deteriorates the seal adhesive strength. One or a plurality of grooves are formed in a resin layer that is a foundation of a seal area. A direction of forming a groove (lateral surface) is preferably in a vertical direction to the external stress. In a seal straight portion, a groove is preferably formed not only in a parallel direction to the seal but also in the vertical direction. In a seal corner portion, a groove is preferably formed in a shape curved convexly toward a direction of a display area (active area).

公开(公告)号：US09341901B2

公开(公告)日：2016-05-17

申请号：US14801265

申请日：2015-07-16

Applicant: Japan Display Inc.

Inventor： Noriyoshi Kanda ,  Shigesumi Araki ,  Mitsutaka Okita ,  Hirohisa Miki

IPC: H01L29/84 ,  G02F1/1362 ,  G02F1/1333 ,  G02F1/1368 ,  G02F1/1337 ,  G02F1/1343 ,  H01L27/12

CPC classification number: G02F1/133512 ,  G02F1/133371 ,  G02F1/13338 ,  G02F1/1337 ,  G02F1/134309 ,  G02F1/134363 ,  G02F1/136209 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/133357 ,  G02F2001/134345 ,  H01L27/124

Abstract: A display device is provided that inhibits color mixture between adjacent subpixels and allows for obtaining a high-quality image. The display device includes a display area on which a light-blocking metal layer, a black matrix, and a plurality of subpixels are arranged, wherein the plurality of subpixels are arranged adjacent to one another via a black matrix as seen vertically from above, the black matrix and the light-blocking metal layer are arranged to overlap each other as seen vertically from above, and the light-blocking metal layer 130 is arranged on the bank of an organic flattened film.

Abstract translation: 提供一种抑制相邻子像素之间的颜色混合并且允许获得高质量图像的显示装置。 显示装置包括：显示区域，其上配置有阻光金属层，黑矩阵和多个子像素，其中，多个子像素经由黑色矩阵彼此相邻布置，如从上方垂直观察的， 黑矩阵和遮光金属层被布置成从上方垂直地彼此重叠，并且遮光金属层130布置在有机平坦化膜的堤上。

公开(公告)号：US09983439B2

公开(公告)日：2018-05-29

申请号：US15185959

申请日：2016-06-17

Applicant: Japan Display Inc.

Inventor： Tatsuro Mizunuma ,  Shigesumi Araki ,  Hirohisa Miki

IPC: G02F1/1335 ,  G02F1/1343 ,  G02F1/1362

CPC classification number: G02F1/133617 ,  G02F1/133514 ,  G02F1/133526 ,  G02F1/133528 ,  G02F1/133555 ,  G02F1/134363 ,  G02F2001/133614 ,  G02F2001/136222 ,  G02F2202/36

Abstract: According to one embodiment, a wavelength converter includes a microlens which condenses excitation light, a reflective layer which is opposed to the microlens and includes an aperture, and a wavelength conversion element which is opposed to the microlens via the reflective layer, absorbs the excitation light, and emits emission light whose wavelength is different from that of the excitation light.

公开(公告)号：US09810946B2

公开(公告)日：2017-11-07

申请号：US14992185

申请日：2016-01-11

Applicant: Japan Display Inc.

Inventor： Tatsuro Mizunuma ,  Shigesumi Araki ,  Hirohisa Miki

IPC: G02F1/1335 ,  G02F1/1333

CPC classification number: G02F1/133617 ,  G02F1/133345 ,  G02F1/133553 ,  G02F2001/133565

Abstract: According to one embodiment, a display device includes a first insulating substrate, a second insulating substrate, a first pixel electrode and a second pixel electrode, a wavelength conversion element to convert light of a first wavelength polarized in a first polarization direction into light of a second wavelength polarized in a second polarization direction, and a liquid crystal layer having a first thickness in an area opposed to the first pixel electrode, and having a second thickness greater than the first thickness in an area opposed to the second pixel electrode.

公开(公告)号：US09810828B2

公开(公告)日：2017-11-07

申请号：US15276862

申请日：2016-09-27

Applicant: Japan Display Inc.

Inventor： Hirohisa Miki ,  Shigesumi Araki

IPC: F21V8/00 ,  G02F1/1335

CPC classification number: G02B6/0026 ,  G02B6/0001 ,  G02B6/0003 ,  G02B6/0023 ,  G02B6/0031 ,  G02F1/133615 ,  G02F2001/133614 ,  G02F2202/108

Abstract: A liquid crystal display device includes a liquid crystal display panel and a backlight. The backlight includes a light guide plate, an LED, and a wavelength converter between the light guide plate and the LED. The wavelength converter includes semiconductor quantum dots in a supporter, to which a reflection film is applied except surfaces that face the LED and the light guide plate.

公开(公告)号：US09784900B2

公开(公告)日：2017-10-10

申请号：US15217163

申请日：2016-07-22

Applicant: Japan Display Inc.

Inventor： Hirohisa Miki ,  Shigesumi Araki

IPC: F21V7/04 ,  F21V8/00 ,  G02F1/1335

CPC classification number: G02B6/0026 ,  G02B6/0023 ,  G02B6/003 ,  G02B6/0031 ,  G02B6/0073 ,  G02F1/133514 ,  G02F2001/133614

Abstract: According to one embodiment, an illumination device including a light source unit including a light-emitting element having a light-emitting surface, a reflective surface formed around the light-emitting surface and having higher optical reflectivity than the light-emitting surface, a wavelength conversion member which converts a wavelength of emitted light from the light-emitting surface, an optical member located between the light source unit and the wavelength conversion member and including a light path adjustment mechanism which guides, to the reflective surface, light returned from the wavelength conversion member to the light-emitting surface, and a lightguide opposed to the wavelength conversion member.