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：US20160139453A1

公开(公告)日：2016-05-19

申请号：US14898150

申请日：2014-06-02

Applicant: SHARP KABUSHIKI KAISHA

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

IPC: G02F1/1335 ,  G02B5/02

CPC classification number: G02F1/133504 ,  G02B5/0221 ,  G02B5/0231 ,  G02B5/0236 ,  G02B5/0257 ,  G02B5/0263 ,  G02B5/0278 ,  G02F2001/133562

Abstract: A light diffusing member includes a base having light transmissivity, a light diffuser formed with a predetermined height on a surface of the base facing a display body, and a light blocking layer formed in a region other than the light diffuser on the surface of the base facing the display body. The light blocking layer has a thickness smaller than the height of the light diffuser. The light diffuser has a light exit end surface that is in contact with the base, and a light entrance end surface that is opposite the light exit end surface and that has an area larger than the area of the light exit end surface. The light entrance end surface is adhered to the adhesive layer, and the thickness of the adhesive layer is smaller than the height of a space formed between the light diffuser and the light blocking layer, the height extending from the light blocking layer to the light entrance end surface.

Abstract translation: 光扩散构件包括具有透光性的基底，在面向显示体的基底的表面上形成有预定高度的光漫射体，以及形成在基底表面上的光扩散器以外的区域中的遮光层 面向展示体。 遮光层的厚度小于光扩散器的高度。 光扩散器具有与基部接触的光出射端面和与光出射端面相对的面积大于光射出端面的面积的光入射端面。 光入射端面粘附到粘合剂层，粘合剂层的厚度小于光扩散器和遮光层之间形成的空间的高度，从遮光层延伸到光入口 端面。

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：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：US20150331276A1

公开(公告)日：2015-11-19

申请号：US14652917

申请日：2013-12-12

Applicant: Sharp Kabushiki Kaisha

Inventor： Shohei KATSUTA ,  Tsuyoshi MAEDA ,  Hideomi YUI ,  Yuhsuke TSUDA

IPC: G02F1/1335 ,  F21V8/00 ,  G02F1/1337

CPC classification number: G02F1/133504 ,  G02B6/0011 ,  G02B6/0051 ,  G02B6/0053 ,  G02F1/133512 ,  G02F1/133528 ,  G02F1/1337 ,  G02F2001/133742

Abstract: Provided is a liquid crystal device including: a liquid crystal panel including a first substrate having a first vertical alignment film, a second substrate having a second vertical alignment film, a liquid crystal layer which is interposed between the first vertical alignment film and the second vertical alignment film and has a negative dielectric anisotropy, a first polarizing plate that is disposed on a light-incident side of the liquid crystal layer, and a second polarizing plate that is disposed on a light-emitting side of the liquid crystal layer; an illuminating device which is disposed on a light-incident side of the liquid crystal panel, and emits light toward the liquid crystal panel; and a light control member which is disposed on a light-emitting side of the liquid crystal panel, and diffuses light that is emitted from the liquid crystal panel in an azimuth angle direction and a polar angle direction viewed from a normal direction of the liquid crystal panel to control an emission direction of the light. The liquid crystal panel includes a plurality of pixels, each being a basic unit of display, and each of the pixels has a plurality of regions in which a director direction or an alignment of liquid crystal molecules at a central portion of the liquid crystal layer in a thickness direction during application of a voltage is different.

Abstract translation: 本发明提供一种液晶装置，包括：液晶面板，包括具有第一垂直取向膜的第一基板，具有第二垂直取向膜的第二基板，介于第一垂直取向膜和第二垂直取向膜之间的液晶层 取向膜并具有负的介电各向异性，设置在液晶层的光入射侧的第一偏振片和设置在液晶层的发光侧的第二偏振片; 照明装置，其设置在所述液晶面板的光入射侧，朝向所述液晶面板发光; 以及配置在所述液晶面板的发光侧的光控制部件，使从所述液晶面板的法线方向观察的从所述液晶面板射出的方向角方向和极角方向的光漫射 面板来控制光的发射方向。 液晶面板包括多个像素，每个像素是基本显示单元，并且每个像素具有多个区域，其中在液晶层的中心部分处的液晶分子的导向方向或取向位于 在施加电压期间的厚度方向是不同的。

公开(公告)号：US20150301398A1

公开(公告)日：2015-10-22

申请号：US14648315

申请日：2013-11-27

Applicant: SHARP KABUSHIKI KAISHA

Inventor： Hideomi YUI ,  Tsuyoshi MAEDA ,  Shohei KATSUTA

IPC: G02F1/1335 ,  G02B5/02

CPC classification number: G02F1/133504 ,  B32B3/26 ,  B32B7/02 ,  B32B2307/416 ,  B32B2457/20 ,  B32B2457/202 ,  B32B2457/206 ,  G02B5/0231 ,  G02B5/0257 ,  G02B6/0053 ,  G02F1/133512 ,  G02F1/133524

Abstract: The light control film includes a base material with transparency and a light control layer that is provided on a side of a surface which faces a display surface of a display panel in the base material, has a light shielding portion which is formed on one surface of the base material, and controls an emission direction of light by diffusing light which is emitted from the display surface, in which the light control layer includes a light emission end surface that contacts with the base material, 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 reflection surface that contacts with the light emission end surface and the light incident end surface and reflects light which is incident from the light incident end surface, a height from the light incident end surface to the light emission end surface is larger than a layer thickness of the light shielding portion, and the reflection surface reflects light to allocate light at a polar angle with a relatively high light flux amount among directions along prescribed azimuth angles in the display surface to light at a polar angle with relatively low luminance among directions along prescribed azimuth angles.

Abstract translation: 光控膜包括具有透明性的基材和设置在与基材中的显示面板的显示面相对的面的一侧的光控制层，具有形成在基材的一个表面上的遮光部 并且通过使从所述显示面发射的光扩散到所述基材，所述光从所述显示面射出，所述光从所述显示面射出，所述光由所述光控制层包含与所述基材接触的发光端面，所述光入射端面与所述光 并且具有比所述发光端面的面积大的面积，以及与所述发光端面和所述光入射端面接触并反射从所述光入射端面入射的光的反射面， 从光入射端面到发光端面的高度大于遮光部的层厚，反射面ref 以规定的方位角的方向以相对较高的光通量的方式在显示面中以相对较高的光通量，以相对低的亮度以规定的方位角的方向以相对低的亮度进行点亮。

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：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。