公开(公告)号：US11927787B2

公开(公告)日：2024-03-12

申请号：US17987890

申请日：2022-11-16

Applicant: Japan Display Inc.

Inventor： Hiroaki Kijima ,  Shinichi Komura ,  Koichi Okuda ,  Ken Onoda

IPC: F21V8/00 ,  G02F1/13357

CPC classification number: G02B6/002 ,  G02B6/0021 ,  G02B6/0028 ,  G02B6/0068 ,  G02B6/0076 ,  G02B6/0091 ,  G02F1/133615

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：US11892675B2

公开(公告)日：2024-02-06

申请号：US18169896

申请日：2023-02-16

Applicant: Japan Display Inc.

Inventor： Yuji Maede ,  Shinichi Komura ,  Hiroaki Kijima

IPC: F21V8/00

CPC classification number: G02B6/0061 ,  G02B6/0036 ,  G02B6/0068

Abstract: According to one embodiment, an illumination device comprises a light guide, a light source, a reflective layer, a first prism and a second prism, wherein the light guide has a thickness in a second direction increasing toward a second side surface, the first prism and the second prism have cross-sectional shapes being formed in a triangle shape, a first height of the first prism in the second direction is smaller than a second height of the second prism in the second direction.

公开(公告)号：US11726253B2

公开(公告)日：2023-08-15

申请号：US17657400

申请日：2022-03-31

Applicant: Japan Display Inc.

Inventor： Shinichi Komura ,  Koichi Okuda ,  Ken Onoda ,  Hiroaki Kijima

IPC: F21V8/00

CPC classification number: G02B6/0045 ,  G02B6/0036 ,  G02B6/0046 ,  G02B6/0055 ,  G02B6/0091 ,  G02B6/0048

Abstract: According to an embodiment, an illumination device includes a light guide having a first plane, a second plane opposed to the first plane and substantially parallel to the first plane, and a tilted plane opposed to the first plane and tilted to the first plane, the tilted plane and the second plane being arranged in a first direction, and a light emitting device including a first light emitting part, a second light emitting part, and a third light emitting part which are located directly below the tilted plane, arranged in the first direction, and configured to emit light having wavelengths different from each other.

公开(公告)号：US11054569B2

公开(公告)日：2021-07-06

申请号：US16984393

申请日：2020-08-04

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：US10429664B2

公开(公告)日：2019-10-01

申请号：US15955852

申请日：2018-04-18

Applicant: Japan Display Inc.

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

IPC: G02B27/48 ,  H01S5/042 ,  H01S5/00 ,  H01S5/40 ,  H01S5/30 ,  F21V8/00 ,  G02F1/1335

Abstract: According to one embodiment, a semiconductor laser includes a semiconductor laser element. A drive current which is composed of a direct current and an alternating current superposed thereon is applied to the semiconductor laser element. A waveform of the alternating current is a non-square wave. A frequency of the alternating current is from 50 Hz to 500 kHz.

公开(公告)号：US09599853B2

公开(公告)日：2017-03-21

申请号：US15082283

申请日：2016-03-28

Applicant: Japan Display Inc.

Inventor： Tatsuya Sugita ,  Shinichiro Oka ,  Shinichi Komura ,  Toshio Miyazawa ,  Terunori Saitou

IPC: G02F1/1335 ,  G02B27/22 ,  H04N13/04 ,  G02B3/12 ,  G02B27/26 ,  G02F1/1337 ,  G02F1/29

CPC classification number: G02F1/133528 ,  G02B3/12 ,  G02B27/22 ,  G02B27/2214 ,  G02B27/26 ,  G02F1/1337 ,  G02F2001/133531 ,  G02F2001/133548 ,  G02F2001/294 ,  H04N13/305 ,  H04N13/359

Abstract: In order to provide a display device capable of improving the display quality at the time of 2D display and 3D display, the present invention provides a display device that includes: a display panel that displays an image; and a liquid crystal lens panel that is arranged on the display surface side of the display panel, controls a refractive index in a cylindrical lens manner to form parallax barriers, and switches 2D display and 3D display, and the liquid crystal lens panel includes: a first transparent substrate that is arranged on the display panel side; a second transparent substrate that is arranged to face the first substrate through a liquid crystal layer; and a first polarizing plate that is formed on the display surface side of the second transparent substrate to control a polarization direction of light transmitting through the liquid crystal lens panel.

公开(公告)号：US09552784B2

公开(公告)日：2017-01-24

申请号：US14449444

申请日：2014-08-01

Applicant: Japan Display Inc.

Inventor： Daiichi Suzuki ,  Yukio Tanaka ,  Kenji Nakao ,  Kazuhiro Nishiyama ,  Shinichi Komura ,  Shinichiro Oka ,  Mika Oiwa

IPC: G06F3/045 ,  G09G3/36

CPC classification number: G09G3/3614 ,  G09G3/3648 ,  G09G2310/0281 ,  G09G2310/06 ,  G09G2320/0247 ,  G09G2330/021 ,  G09G2340/0435

Abstract: According to one embodiment, a lateral electric-field type of liquid crystal display device includes a display panel including a plurality of liquid crystal pixels arranged in a matrix, and a controller configured to perform intermittent driving to rewrite an image signal to the liquid crystal pixels, wherein a frame frequency falls within a range of 10 Hz to 20 Hz, and an absolute value of a flexo coefficient (e11, e33) of a liquid crystal applied to the liquid crystal pixels is 1.6 pC/m or less.

Abstract translation: 根据一个实施例，液晶显示装置的横向电场型包括：显示面板，包括以矩阵形式排列的多个液晶像素;以及控制器，被配置为执行间歇驱动以将图像信号重写到液晶像素 其中帧频落在10Hz至20Hz的范围内，并且施加到液晶像素的液晶的柔性系数（e11，e33）的绝对值为1.6pC / m以下。

公开(公告)号：US09442297B2

公开(公告)日：2016-09-13

申请号：US13956472

申请日：2013-08-01

Applicant: Japan Display Inc.

Inventor： Shinichiro Oka ,  Shinichi Komura

IPC: G02B27/22 ,  G02B26/08 ,  H04N13/04

CPC classification number: G02B27/2214 ,  G02B26/0875 ,  H04N13/305 ,  H04N13/373

Abstract: A stereoscopic display apparatus comprising: a display element, a liquid crystal lens being set in front of the display element. The liquid crystal lens comprises a first electrode made of a plane-like transparent electrode, and a second electrode having plural comb-like transparent electrodes, a liquid crystal layer is held between the first electrode and the second electrode. A pitch of the liquid crystal lens is changed, by changing the pattern of voltage to be applied to the comb-like transparent electrodes, an individual voltage according to the pattern of voltage is applied to each of the plural comb-like transparent electrodes, the pitch of the liquid crystal lens is changed depending on a position of an observer with respect to the stereoscopic display panel, in front/back direction. Thus, the stereoscopic display apparatus can provide proper images even as a viewer moves in the front/back direction with respect to the stereoscopic display panel.

Abstract translation: 一种立体显示装置，包括：显示元件，设置在所述显示元件前方的液晶透镜。 液晶透镜包括由平面状透明电极构成的第一电极和具有多个梳状透明电极的第二电极，液晶层保持在第一电极和第二电极之间。 改变液晶透镜的间距，通过改变施加到梳状透明电极的电压图案，根据电压图案的单独电压施加到多个梳状透明电极中的每一个， 液晶透镜的间距根据观察者相对于立体显示面板的位置在前后方向上变化。 因此，即使观察者相对于立体显示面板在前后方向上移动，立体显示装置也可以提供适当的图像。

公开(公告)号：US08988619B2

公开(公告)日：2015-03-24

申请号：US14197881

申请日：2014-03-05

Applicant: Japan Display Inc. ,  Miyuki Sugita

Inventor： Shinichiro Oka ,  Tatsuya Sugita ,  Shinichi Komura ,  Toshio Miyazawa ,  Terunori Saitou

IPC: G02F1/1335 ,  G02F1/1333 ,  G02F1/13 ,  G02B27/22 ,  H04N13/04

CPC classification number: G02B27/2214 ,  H04N13/31

Abstract: There is provided a technology capable of reducing crosstalk at the time of 3D display in a display device using a liquid crystal lens that forms cylindrical lenses by controlling a voltage applied to a liquid crystal panel. The display device includes a liquid crystal display panel which includes a substrate including a plurality of strip-shaped transparent electrodes and a plurality of strip-shaped light shielding portions overlapping with the electrodes. The display device displays an image by switching a two-dimensional display and a three-dimensional display, and the cylindrical lenses making up a parallax barrier, are formed by controlling a refraction index of a liquid crystal layer.

Abstract translation: 提供了一种能够通过控制施加到液晶面板的电压来形成柱面透镜的液晶透镜的显示装置中能够减少3D显示时的串扰的技术。 显示装置包括液晶显示面板，其包括具有多个条状透明电极的基板和与电极重叠的多个条状遮光部。 显示装置通过切换二维显示器和三维显示器以及构成视差屏障的圆柱形透镜来显示图像，通过控制液晶层的折射率来形成。

公开(公告)号：US20140192283A1

公开(公告)日：2014-07-10

申请号：US14197881

申请日：2014-03-05

Applicant: Japan Display Inc.

Inventor： Shinichiro OKA ,  Tatsuya Sugita ,  Shinichi Komura ,  Toshio Miyazawa ,  Terunori Saitou

IPC: G02B27/22

CPC classification number: G02B27/2214 ,  H04N13/31

Abstract: There is provided a technology capable of reducing crosstalk at the time of 3D display in a display device using a liquid crystal lens that forms cylindrical lenses by controlling a voltage applied to a liquid crystal panel. The display device includes a liquid crystal display panel which includes a substrate including a plurality of strip-shaped transparent electrodes and a plurality of strip-shaped light shielding portions overlapping with the electrodes. The display device displays an image by switching a two-dimensional display and a three-dimensional display, and the cylindrical lenses making up a parallax barrier, are formed by controlling a refraction index of a liquid crystal layer.

Abstract translation: 提供了一种能够通过控制施加到液晶面板的电压来形成柱面透镜的液晶透镜的显示装置中能够减少3D显示时的串扰的技术。 显示装置包括液晶显示面板，其包括具有多个条状透明电极的基板和与电极重叠的多个条状遮光部。 显示装置通过切换二维显示器和三维显示器以及构成视差屏障的圆柱形透镜来显示图像，通过控制液晶层的折射率来形成。