公开(公告)号：US20210036253A1

公开(公告)日：2021-02-04

申请号：US16981480

申请日：2018-03-22

Applicant: SHARP KABUSHIKI KAISHA

Inventor： Yasushi ASAOKA ,  Shigeru AOMORI

IPC: H01L51/50 ,  H01L51/00

Abstract: A display device is provided with a light-emitting element layer including an anode electrode, a cathode electrode, and a quantum dot light-emitting layer sandwiched between the anode electrode and the cathode electrode, wherein the quantum dot light-emitting layer includes at least quantum dots and nanofibers. A method for manufacturing a display device includes forming a quantum dot light-emitting layer by applying a colloidal solution including at least quantum dots and nanofibers by ink-jet.

公开(公告)号：US20160291218A1

公开(公告)日：2016-10-06

申请号：US15033684

申请日：2014-11-07

Applicant: SHARP KABUSHIKI KAISHA

Inventor： Yasushi ASAOKA ,  Shohei KATSUTA ,  Hideomi YUI ,  Sho OCHI ,  Tsuyoshi MAEDA

IPC: G02B5/02 ,  G02B5/20 ,  G02F1/1335

CPC classification number: G02B5/0278 ,  G02B5/003 ,  G02B5/0236 ,  G02B5/0268 ,  G02B5/201 ,  G02B5/208 ,  G02F1/133504 ,  G02F1/133606

Abstract: A light-control member (13) includes a substrate (39); light-shielding layers (40) provided in a first area (A1) on one surface (39a) of the substrate (39); a light-diffusion section (41) provided in an area other than the light-shielding layers (40) in the first area (A1) and formed of light transmitting material; and a support section(45) provided in a second area (A2) positioned on an outer side of the first area (A1) on the one surface (39a), in which the light-diffusion section (41) has a light emitting end surface (41a) in contact with the one surface (39a) of the substrate (39), a light incident end surface (41b) opposing the light emitting end surface (41a) and having an area greater than an area of the light emitting end surface (41a), and a reflective surface (41c) which is in contact with the light emitting end surface (41a) and the light incident end surface (41b) and on which light incident from the light incident end surface (41b) is reflected, and a formation area of the support section (45) per unit area in the second area (A2) is greater than a formation area of the support section (45) per unit area in the first area (A1).

Abstract translation: 光控构件（13）包括衬底（39）; 设置在基板（39）的一个表面（39a）上的第一区域（A1）中的遮光层（40）; 设置在所述第一区域（A1）中的除了所述遮光层（40）以外的区域并由透光材料形成的光扩散部（41） 以及设置在位于所述一个表面（39a）上的所述第一区域（A1）的外侧的第二区域（A2）中的支撑部（45），所述光扩散部（41）具有发光端 与基板（39）的一个表面（39a）接触的表面（41a），与发光端面（41a）相对的面积大于发光端面积的光入射端面（41b） 以及与发光端面（41a）和光入射端面（41b）接触并且从光入射端面（41b）入射的光被反射的反射面（41a）和反射面（41c） 并且第二区域（A2）中每单位面积的支撑部分（45）的形成面积大于第一区域（A1）中每单位面积的支撑部分（45）的形成面积。

公开(公告)号：US20170038634A1

公开(公告)日：2017-02-09

申请号：US15304111

申请日：2015-04-16

Applicant: SHARP KABUSHIKI KAISHA

Inventor： Shohei KATSUTA ,  Tsuyoshi MAEDA ,  Emi YAMAMOTO ,  Yasushi ASAOKA ,  Hideomi YUI

IPC: G02F1/1335 ,  F21V8/00

CPC classification number: G02F1/133504 ,  G02B6/0046 ,  G02B6/0051 ,  G02B6/0053 ,  G02F1/133512 ,  G02F1/133528 ,  G02F1/133553 ,  G02F2001/133562

Abstract: A liquid crystal display (1) includes a liquid crystal panel (4), a backlight (2), and a light-diffusing member (7). There exist azimuths in which a transmittance of the liquid crystal panel (4) and a luminance of the backlight (2) are higher than a transmittance and a luminance in a direction of a normal. The azimuth in which the transmittance of the liquid crystal panel (4) is higher coincides with the azimuth in which the luminance of the backlight (2) is higher.

Abstract translation: 液晶显示器（1）包括液晶面板（4），背光源（2）和光扩散构件（7）。 存在液晶面板（4）的透射率和背光源（2）的亮度高于正常方向的透射率和亮度的方位角。 液晶面板（4）的透射率越高的方位角与背光源（2）的亮度越高的方位角一致。

公开(公告)号：US20150378069A1

公开(公告)日：2015-12-31

申请号：US14767986

申请日：2014-02-19

Applicant: Sharp Kabushiki Kaisha

Inventor： Emi YAMAMOTO ,  Yuhsuke TSUDA ,  Tsuyoshi MAEDA ,  Yasushi ASAOKA ,  Shohei KATSUTA

IPC: G02B5/02 ,  G03F7/20 ,  G03F7/32 ,  G03F7/00

CPC classification number: G02B5/0294 ,  B32B7/02 ,  B32B27/08 ,  B32B27/20 ,  B32B27/36 ,  B32B2307/418 ,  G02B5/0236 ,  G02B5/0242 ,  G02B5/0247 ,  G02B5/0268 ,  G02B5/0278 ,  G02F1/133504 ,  G03F7/0005 ,  G03F7/0007 ,  G03F7/0047 ,  G03F7/038 ,  G03F7/105 ,  G03F7/20 ,  G03F7/32

Abstract: This light-diffusing member includes a light-transmissive substrate, a plurality of wavelength-controlling layers formed on one surface of the light-transmissive substrate, and a light-diffusing portion formed on the one surface of the light-transmissive substrate in a region other than a region where the wavelength-controlling layers are formed. The light-diffusing portion includes a light-emitting end-surface that makes contact with the light-transmissive substrate and a light-incident end-surface that is opposite to the light-emitting end-surface and that has an area greater than an area of the light-emitting end-surface, and is made of a photosensitive resin; a height of the light-diffusing portion from the light-incident end-surface to the light-emitting end-surface is greater than a thickness of the wavelength-controlling layers; and the wavelength-controlling layers have characteristics that an optical absorptance at a first wavelength in a ultraviolet wavelength band is higher than an optical absorptance at a second wavelength in a visible-light wavelength band.

Abstract translation: 该光扩散构件包括透光基板，形成在透光基板的一个表面上的多个波长控制层和形成在透光基板的一个表面上的区域中的光扩散部分 除了形成波长控制层的区域之外。 光扩散部包括与透光性基板接触的发光端面和与发光端面相反并且面积大于面积的光入射端面 的发光端面，由感光性树脂构成; 从光入射端面到发光端面的光扩散部的高度大于波长控制层的厚度; 并且波长控制层具有紫外波长带中的第一波长的光吸收率高于可见光波长带中的第二波长处的光吸收率的特性。

公开(公告)号：US20200212122A1

公开(公告)日：2020-07-02

申请号：US16724547

申请日：2019-12-23

Applicant: Sharp Kabushiki Kaisha

Inventor： Yasushi ASAOKA ,  Tsuyoshi KAMADA

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50

Abstract: A light absorbing member includes a first dichroic dye and a second dichroic dye. The first dichroic dye has an absorption peak wavelength between a first emission peak wavelength of the first light-emitting layer and a second emission peak wavelength of a second light-emitting layer. The second dichroic dye has an absorption peak wavelength between the second emission peak wavelength of the second light-emitting layer and a third emission peak wavelength of the third light-emitting layer. An angle of a molecule of the first dichroic dye in an absorption axis and an angle of a molecule of the second dichroic dye in an absorption axis with respect to a normal direction of the reflective layer are from 70 degrees to 90 degrees.

公开(公告)号：US20160139454A1

公开(公告)日：2016-05-19

申请号：US14903140

申请日：2014-07-24

Applicant: SHARP KABUSHIKI KAISHA

Inventor： Shohei KATSUTA ,  Yasushi ASAOKA ,  Toru KANNO ,  Hideomi YUI ,  Emi YAMAMOTO

IPC: G02F1/1335 ,  G02B1/11 ,  G02B5/02

CPC classification number: G02F1/133504 ,  G02B1/11 ,  G02B5/0231 ,  G02B5/0242 ,  G02B5/0268 ,  G02B5/0278 ,  G02B5/0294 ,  G02B5/226 ,  G02B6/005 ,  G02B6/0051 ,  G02F1/133502 ,  G02F1/133512 ,  G02F1/133524 ,  G02F2001/133562

Abstract: A light diffusion member includes a substrate that has optical transparency, a light diffusion portion that is formed with a prescribed height on one surface of the substrate, a light shielding layer that is formed with a thickness less than the height of the light diffusion portion in another region of the one surface of the substrate than the light diffusion portion, and an antiglare layer that is formed on the other surface of the substrate. The light diffusion portion includes a light emission end surface that contacts with the substrate, a light incident end surface that faces the light emission end surface and has a larger area than an area of the light emission end surface, and a side surface that is formed between the light emission end surface and the light incident end surface, and the antiglare layer includes a binder layer and plural light diffusion particles that are dispersedly arranged in the binder layer.

Abstract translation: 光漫射构件包括具有光学透明度的基板，在基板的一个表面上形成有规定高度的光扩散部，形成有比光扩散部的高度小的厚度的遮光层 基板的一个表面的另一区域比光扩散部分，以及形成在基板的另一个表面上的防眩光层。 光扩散部包括与基板接触的发光端面，面向发光端面且具有比发光端面的面积大的面积的光入射端面和形成的侧面 在光发射端面和光入射端面之间，防眩光层包括分散配置在粘合剂层中的粘合剂层和多个光扩散粒子。

公开(公告)号：US20180348412A1

公开(公告)日：2018-12-06

申请号：US16041857

申请日：2018-07-23

Applicant: Sharp Kabushiki Kaisha

Inventor： Yasushi ASAOKA ,  Shohei KATSUTA ,  Tsuyoshi MAEDA ,  Tsuyoshi KAMADA

IPC: G02B5/02 ,  G02B5/30 ,  G03F7/20 ,  G03F7/32 ,  G02F1/1335 ,  G03F7/00

CPC classification number: G02B5/0294 ,  G02B5/0226 ,  G02B5/0231 ,  G02B5/0257 ,  G02B5/0278 ,  G02B5/3033 ,  G02F1/133504 ,  G02F1/133512 ,  G02F1/133528 ,  G03F7/0005 ,  G03F7/20 ,  G03F7/32

Abstract: Provided is a display device including a substrate that has light transmissivity, a plurality of light shielding layers that is formed at a recurring period on one face of the substrate, and a light-diffusing unit that is formed in an area of the one face of the substrate except for the area where the light shielding layers are formed, in which the light-diffusing unit includes a light emitting end face on the substrate side and includes a light incident end face having an area larger than the area of the light emitting end face on the side opposite to the substrate side, the height of the light-diffusing unit from the light incident end face to the light emitting end face is greater than the thickness of the light shielding layer, and the periodic direction at which the light shielding layers are recurrently formed is non-parallel to the direction of a pixel pitch of a display body.

公开(公告)号：US20170115524A1

公开(公告)日：2017-04-27

申请号：US15315734

申请日：2015-06-03

Applicant: Sharp Kabushiki Kaisha

Inventor： Sho OCHI ,  Yasushi ASAOKA ,  Tsuyoshi MAEDA

IPC: G02F1/1335 ,  G03F7/20 ,  G02B5/02 ,  B32B7/12

CPC classification number: G02F1/133504 ,  B29D11/0073 ,  B29D11/00788 ,  B32B7/02 ,  B32B7/06 ,  B32B7/12 ,  B32B17/00 ,  B32B23/04 ,  B32B23/08 ,  B32B23/20 ,  B32B27/06 ,  B32B27/08 ,  B32B27/285 ,  B32B27/286 ,  B32B27/36 ,  B32B27/365 ,  B32B2255/10 ,  B32B2255/24 ,  B32B2255/26 ,  B32B2307/306 ,  B32B2307/412 ,  B32B2307/42 ,  B32B2307/50 ,  B32B2307/538 ,  B32B2307/732 ,  B32B2307/748 ,  B32B2457/20 ,  B32B2457/202 ,  B32B2457/204 ,  B32B2457/206 ,  G02B5/0247 ,  G02B5/0278 ,  G02F1/133512 ,  G02F1/133526 ,  G02F2001/133562 ,  G02F2001/133635 ,  G02F2202/28 ,  G02F2413/02 ,  G02F2413/05 ,  G03F7/70191 ,  G09F9/00

Abstract: A light control member of the invention includes a light-transmissive first substrate, a light diffusing portion which is formed on a first surface of the first substrate, and a light shielding layer which is formed in a region other than a region in which the light diffusing portion is formed on the first surface of the first substrate. The light diffusing portion includes a light emitting end surface being in contact with the first substrate, and a light incident end surface opposite the light emitting end surface and having an area larger than an area of the light emitting end surface, and is configured such that a height from the light incident end surface to the light emitting end surface is larger than a layer thickness of the light shielding layer. The light shielding layer includes an enlarged portion in a portion of the light shielding layer in a layer thickness direction, the enlarged portion being configured such that a sectional area which is cut by a plane parallel to the first surface of the first substrate is larger than an area of a substrate side end surface of the light shielding layer.

公开(公告)号：US20170082894A1

公开(公告)日：2017-03-23

申请号：US15311628

申请日：2015-05-15

Applicant: SHARP KABUSHIKI KAISHA

Inventor： Shohei KATSUTA ,  Yasushi ASAOKA ,  Sho OCHI ,  Emi YAMAMOTO ,  Hideomi YUI ,  Tsuyoshi MAEDA ,  Tsuyoshi KAMADA ,  Yuhsuke TSUDA ,  Katsumi KONDOH

IPC: G02F1/1335 ,  G02F1/1337

CPC classification number: G02F1/133528 ,  G02B1/118 ,  G02B6/0053 ,  G02F1/1335 ,  G02F1/133504 ,  G02F1/133512 ,  G02F1/133526 ,  G02F1/1337 ,  G02F1/13624 ,  G02F2001/133354 ,  G02F2001/133531 ,  G02F2001/133562 ,  G02F2001/133742 ,  G02F2001/133757 ,  G02F2001/134345 ,  G02F2201/52 ,  G03F7/0007

Abstract: A liquid crystal display device according to one aspect of the present invention includes a liquid crystal panel of a vertical alignment mode, and an optical control member disposed on a light-exiting side of the liquid crystal panel. The liquid crystal panel includes a plurality of pixels having at least two domains (50a, 50b), in which directors of liquid crystal molecules are in a first direction. An absorption axis of a first polarizing sheet and an absorption axis of a second polarizing sheet are a mutually orthogonal and form angle that is approximately 45°. The optical control member includes a base, a light diffusion part, a light blocking layer and a low refractive index part. A planar shape of the light blocking layer (40) when seen from a normal line direction of the base has a straight line part parallel to the absorption axis (P1, P2) of one of the first polarizing sheet and the second polarizing sheet and a straight line part forming an angle of less than 45° with the absorption axis (P1, P2) of one polarizing sheet.

公开(公告)号：US20160018572A1

公开(公告)日：2016-01-21

申请号：US14767636

申请日：2014-02-24

Applicant: Sharp Kabushiki Kaisha

Inventor： Shohei KATSUTA ,  Yasushi ASAOKA ,  Hideomi YUI ,  Tsuyoshi MAEDA

IPC: G02B5/02 ,  G02F1/1335

CPC classification number: G02B5/0247 ,  G02B5/0242 ,  G02B5/0278 ,  G02F1/133504 ,  G02F1/133512 ,  G02F2001/133562

Abstract: This light diffusion member includes: a substrate having light transmissivity; a plurality of light shielding layers formed on one face of the substrate; and light diffusion portions formed on the one face of the substrate at regions other than the regions where the light shielding layers have been formed. The light diffusion portions have a light-emitting end surface coming into contact with the substrate, a light incident end surface which faces the light-emitting end surface and has a larger area than the area of the light-emitting end surface, and a reflecting face coming into contact with the light-emitting end surface and the light incident end surface, and reflecting light entering from the light incident end surface. The height from the light incident end surface to the light-emitting end surface of the light diffusion portion is greater than the thickness of the light shielding layers. A scattering intensity at an azimuth φ0+Δφ and a scattering intensity at an azimuth φ0−Δφ across a strong scattering azimuth φ0 as a center axis are generally the same.

Abstract translation: 该光漫射构件包括：具有透光性的基板; 形成在所述基板的一个面上的多个遮光层; 以及形成在除了形成有遮光层的区域之外的区域的基板的一个面上的光扩散部。 光扩散部具有与基板接触的发光端面，面向发光端面并具有比发光端面的面积大的面积的光入射端面，以及反射 面与发光端面和光入射端面接触，反射从光入射端面入射的光。 从光入射端面到光扩散部的发光端面的高度大于遮光层的厚度。 方位角的散射强度为0 +＆Dgr;＆phgr; 并且在方位角处的散​​射强度＆phgr; 0＆Dgr;＆phgr; 跨越强散射方位角0作为中心轴通常是相同的。