专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US10061150B2 Light control film, display device, and method for manufacturing light control film 有权
公开(公告)号：US10061150B2
公开(公告)日：2018-08-28
申请号：US14387895
申请日：2013-03-15
申请人： Sharp Kabushiki Kaisha
发明人： Emi Yamamoto , Tsuyoshi Maeda , Toru Kanno
IPC分类号： G02F1/1335 , G02B5/02 , G03F7/20
CPC分类号： G02F1/133504 , G02B5/0231 , G02B5/0236 , G02B5/0242 , G02B5/0294 , G02F1/133512 , G02F2001/133562 , G03F7/20
摘要： A light control film includes a light shielding layer and a light diffusion portion, and, when an area of a part where the light shielding layer is in contact with one surface of the base material is set to S1, and an area of a part where a low refractive index portion is exposed between light incidence end surfaces is set to S2, the light shielding layer and the light diffusion portion are formed so as to satisfy (S1−S2)/S1×100≥50.

2. 发明授权

US09904094B2 Liquid crystal display 有权
公开(公告)号：US09904094B2
公开(公告)日：2018-02-27
申请号：US15304111
申请日：2015-04-16
申请人： Sharp Kabushiki Kaisha
发明人： Shohei Katsuta , Tsuyoshi Maeda , Emi Yamamoto , Yasushi Asaoka , Hideomi Yui
IPC分类号： G02F1/1335 , F21V8/00
CPC分类号： G02F1/133504 , G02B6/0046 , G02B6/0051 , G02B6/0053 , G02F1/133512 , G02F1/133528 , G02F1/133553 , G02F2001/133562
摘要： 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.

3. 发明授权

US09453946B2 Light-diffusing member having polarizing plate, production method for light-diffusing member having polarizing plate, and display device 有权
标题翻译：具有偏光板的光漫射构件，具有偏光板的光漫射构件的制造方法和显示装置
公开(公告)号：US09453946B2
公开(公告)日：2016-09-27
申请号：US14438257
申请日：2013-10-24
申请人： Sharp Kabushiki Kaisha
发明人： Yasushi Asaoka , Tsuyoshi Maeda , Emi Yamamoto , Toru Kanno , Shohei Katsuta , Hideomi Yui
IPC分类号： G02B5/02 , G02B5/30 , G02F1/1335
CPC分类号： G02B5/0257 , G02B5/0242 , G02B5/0268 , G02B5/0278 , G02B5/3033 , G02F1/133504 , G02F1/133512 , G02F1/133524 , G02F2001/133562 , Y10T29/49885
摘要： Provided is a display device including a light-diffusing member that includes a substrate, a plurality of light-shielding layers, and a light-diffusing section, and a polarizing plate. The light-diffusing member is configured to diffuse light, which is incident from a polarizing plate side, in an anisotropic manner, the light-diffusing section has a light-emitting end surface that is in contact with the substrate, a light-incident end surface that is opposite to the light-emitting end surface and has an area larger than an area of the light-emitting end surface, and a reflective surface that is in contact with the light-emitting end surface and the light-incident end surface and reflects light incident from the light-incident end surface, a height of the light-diffusing section from the light-incident end surface to the light-emitting end surface is set to be larger than a layer thickness of the light-shielding layers, and an azimuth angle direction in which diffusibility of the light-diffusing member is relatively strong, and a transmission axis of the polarizing plate are approximately parallel with each other.
摘要翻译：提供了一种显示装置，其包括具有基板，多个遮光层和光扩散部的光扩散部件和偏振板。光扩散部件以各向异性的方式漫射偏振板侧的光，光扩散部具有与基板接触的发光端面，光入射端表面与发光端面相反并且具有比发光端面的面积大的面积，以及与发光端面和光入射端面接触的反射面，以及反射从光入射端面入射的光，从光入射端面到发光端面的光扩散部的高度被设定为大于遮光层的层厚度，光扩散构件的扩散性相对较强的方位角方向，偏振片的透射轴大致平行。

4. 发明授权

US09279919B2 Light diffusing member comprising hollow portions and a plurality of light-shielding layers dotted on one surface of a base material, method for manufacturing the same and display device 有权
标题翻译：光扩散构件包括中空部分和点状在基材的一个表面上的多个遮光层，其制造方法和显示装置
公开(公告)号：US09279919B2
公开(公告)日：2016-03-08
申请号：US14382859
申请日：2013-03-12
申请人： Sharp Kabushiki Kaisha
发明人： Toru Kanno , Emi Yamamoto , Tsuyoshi Maeda
IPC分类号： G02F1/1335 , G02B5/02 , G02B5/00 , G09F9/00 , G03F7/30 , B32B27/08 , B32B27/36 , B32B3/26
CPC分类号： G02B5/0247 , B32B3/266 , B32B27/08 , B32B27/36 , B32B27/365 , B32B2255/10 , B32B2255/26 , B32B2307/412 , B32B2307/418 , B32B2307/42 , B32B2457/20 , B32B2551/00 , G02B5/00 , G02B5/02 , G02B5/0257 , G02F1/133504 , G02F1/133524 , G02F2001/133562 , G03F7/30 , G09F9/00
摘要： A viewing angle extending film (a light diffusing member) includes a base material with optical transparency, a plurality of light-shielding layers dotted on one surface of the base material, and a transparent resin layer (optically transparent material layer) provided on the one surface of the base material. At least a light-shielding layer, which is part of the plurality of light-shielding layers, has a planar shape surrounded by a first figure and a second figure contained in the first figure or a planar shape surrounded by at least part of the first figure and at least part of the second figure overlaid with the first figure. Hollow portions are provided in a formation region of the light-shielding layers, each hollow portion being shaped so that a cross-sectional area obtained by cutting along a plane parallel to the one surface of the base material is large on the light-shielding layer side and is gradually decreased as being away from the light-shielding layer. A part other than the hollow portions is taken as a light transmitting portion.
摘要翻译：视角延伸膜（光扩散构件）包括具有光学透明性的基材，在基材的一个表面上点缀的多个遮光层和设置在该基材上的透明树脂层（透光材料层）基材表面。作为多个遮光层的一部分的至少遮光层具有由第一图形包含的第一图形和第二图形包围的平面形状，或者由第一图形的至少一部分包围的平面形状并且第二个图的至少部分与第一个图重叠。空心部设置在遮光层的形成区域中，每个中空部分被成形为使得沿着平行于基材的一个表面的平面切割而获得的横截面积在遮光层上大并且随着远离遮光层而逐渐减小。将除了中空部分之外的部分作为透光部分。

5. 发明申请

US20150286101A1 LIQUID CRYSTAL DISPLAY DEVICE 有权
标题翻译：液晶显示装置
公开(公告)号：US20150286101A1
公开(公告)日：2015-10-08
申请号：US14646773
申请日：2013-11-19
申请人： Sharp Kabushiki Kaisha
发明人： Shohei Katsuta , Tsuyoshi Maeda , Hideomi Yui , Emi Yamamoto
IPC分类号： G02F1/1337 , G02F1/1335
CPC分类号： G02F1/133753 , G02F1/133504 , G02F1/133528 , G02F1/133602 , G02F2001/133562 , G02F2001/133742 , G02F2001/133757
摘要： A liquid crystal display device includes: a liquid crystal panel that includes a first substrate having a first vertical alignment film, a second substrate having a second vertical alignment film, a liquid crystal layer having a negative dielectric anisotropy, a first polarizing plate, and a second polarizing plate; an illuminating device; and a light control member that is disposed on a light emission side of the liquid crystal panel. The light control member diffuses light that is emitted from the liquid crystal panel in an anisotropic manner in an azimuth angle direction viewed from a normal direction of the liquid crystal panel to control an emission direction of the light. A pixel, which is included in the liquid crystal panel, includes a first region in which a director of liquid crystal molecules at the central portion in a thickness direction of the liquid crystal layer during application of a voltage heads for a first orientation in a first direction, and a second region in which the director of the liquid crystal molecules at the central portion in the thickness direction of the liquid crystal layer during application of a voltage heads for a second orientation opposite to the first orientation in the first direction. An azimuth angle direction in which light-diffusibility of the light control member is relatively strong, and the first direction approximately match each other.
摘要翻译：一种液晶显示装置，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，具有负介电各向异性的液晶层，第一偏振片和第二偏振片; 照明装置; 以及设置在液晶面板的发光侧的光控制部件。光控制部件在从液晶面板的法线方向观察的方位角方向上以各向异性方式扩散从液晶面板射出的光，以控制光的发射方向。包括在液晶面板中的像素包括：第一区域，其在第一方向上施加用于第一取向的电压头的液晶分子在液晶层的厚度方向上的中心部分的导向器方向，以及第二区域，其中在施加与第一方向上的第一取向相反的第二取向的电压头时，液晶分子在液晶层的厚度方向上的中心部分的导向器。光控制部件的光扩散性比较强的方位角方向和第一方向大致相互一致。

6. 发明申请

US20150062491A1 LIQUID CRYSTAL DISPLAY DEVICE 审中-公开
标题翻译：液晶显示装置
公开(公告)号：US20150062491A1
公开(公告)日：2015-03-05
申请号：US14389419
申请日：2013-04-02
申请人： Sharp Kabushiki Kaisha
发明人： Kazuyoshi Sakuragi , Tsuyoshi Kamada , Toru Kanno , Shun Ueki , Tsuyoshi Maeda , Emi Yamamoto
IPC分类号： G02F1/1335
CPC分类号： G02F1/1336 , G02B5/3083 , G02F1/133504 , G02F2001/133562 , G02F2413/02
摘要： A liquid crystal display device includes a liquid crystal panel that includes a liquid crystal cell including a pair of substrates and a liquid crystal layer sandwiched between the pair of substrates, and a pair of polarizers arranged on a light incident side and a light emission side of the liquid crystal layer; an illumination device that is arranged on the light incident side of the liquid crystal cell, and emits light toward the liquid crystal cell; and a light control member that is arranged on the light emission side of the liquid crystal panel, and controls an emission direction of light emitted from the liquid crystal panel by anisotropically diffusing the light in an azimuthal direction as viewed from a direction normal to the liquid crystal panel. The light control member is arranged such that an azimuthal direction in which a luminance viewing angle of the liquid crystal panel is relatively narrow and an azimuthal direction in which diffusivity of the light control member is relatively high approximately coincide with each other.
摘要翻译：一种液晶显示装置，包括：液晶面板，包括：液晶单元，包括一对基板和夹在所述一对基板之间的液晶层;以及一对偏振器，其配置在光入射侧和发光侧液晶层; 照明装置，其设置在所述液晶单元的光入射侧，朝向所述液晶单元发光; 以及配置在所述液晶面板的发光侧的光控制部件，并且从与所述液晶面正交的方向观察时，通过使所述光在方位角方向上各向异性扩散来控制从所述液晶面板射出的光的发射方向水晶面板。光控制构件被布置成使得液晶面板的亮度视角相对窄的方位角方向和光控制构件的扩散率相对高的方位角大致相互一致。

7. 发明授权

US10656466B2 Wavelength conversion substrate, liquid-crystal element, liquid-crystal module, and liquid-crystal display device 有权
公开(公告)号：US10656466B2
公开(公告)日：2020-05-19
申请号：US16060907
申请日：2017-01-24
申请人： SHARP KABUSHIKI KAISHA
发明人： Koji Murata , Masakazu Kamura , Takashi Katayama , Mitsuru Chida , Takuya Ootani , Emi Yamamoto
IPC分类号： G02F1/1335 , G02F1/13357 , F21V8/00 , G02F1/1337 , G02F1/1343 , H01L33/50
摘要： A wavelength conversion substrate according to one aspect of the present invention includes: a first substrate having an optical transparency; and a light modulation unit provided on one surface of the first substrate and configured to modulate a spectrum of incident light in accordance with a polarization state of the incident light. The light modulation unit includes: a plurality of metallic structures periodically provided at intervals from one another on one surface of the first substrate and configured to exhibit plasmon resonance due to incident light; and a plurality of wavelength conversion units provided so that at least some wavelength conversion units are adjacent to the plurality of metallic structures and comprising a wavelength converting material configured to emit light in a wavelength band different from a wavelength band of the incident light.

8. 发明授权

US10338426B2 Light diffusion member, base material for light diffusion member production, display device using same and method for producing light diffusion member 有权
公开(公告)号：US10338426B2
公开(公告)日：2019-07-02
申请号：US15125621
申请日：2015-03-11
申请人： Sharp Kabushiki Kaisha
发明人： Yasushi Asaoka , Tsuyoshi Maeda , Shohei Katsuta , Emi Yamamoto , Sho Ochi
IPC分类号： G02B5/30 , G02B5/02 , G02F1/1335 , G02F1/13363
摘要： According to an aspect of the present invention, there is provided a light diffusion member which includes a light diffusion film, a polarizing film, and a retardation film. The light diffusion film includes a first substrate, a light diffusion portion, and a light shielding layer. The polarizing film includes a second substrate and a polarization layer. The retardation film includes a third substrate and a retardation layer. The retardation layer is formed from a birefringence body which has optically-negative uniaxiality. An alignment direction of the birefringence body is different in a thickness direction thereof. A slow axis of the retardation layer is positioned at azimuth between a transmission axis and an absorption axis of the polarization layer.

9. 发明授权

US09557597B2 Liquid crystal display device, light control film, and display device 有权
标题翻译：液晶显示装置，光控膜和显示装置
公开(公告)号：US09557597B2
公开(公告)日：2017-01-31
申请号：US14368565
申请日：2012-12-25
申请人： Sharp Kabushiki Kaisha
发明人： Toru Kanno , Emi Yamamoto , Tsuyoshi Maeda
IPC分类号： G02F1/1335 , G02B5/02
CPC分类号： G02F1/133504 , G02B5/02 , G02B5/0257
摘要： In a liquid crystal display device including a light control film utilizing total reflection, a liquid crystal panel, and a directional backlight, the light control film includes a transparent base material, a light blocking layer, and a light diffusing portion. The light diffusing portion has a light output end surface on side closer to the transparent base material and a light input end surface on side opposite to the transparent base material, the light input end surface having a larger area than the light output end surface. A film thickness of the light diffusing portion is larger than a thickness of the light blocking layer. A material having a smaller refractive index than the light diffusing portion is present in a cavity defined by the light diffusing portion, and the film anisotropically diffuses light.
摘要翻译：在包括使用全反射的光控制膜，液晶面板和方向性背光的液晶显示装置中，光控制膜包括透明基材，遮光层和光漫射部。光扩散部具有靠近透明基材侧的光输出端面和与透明基材相反一侧的光输入端面，光输入端面的面积比光输出端面大。光扩散部的膜厚比遮光层的厚度大。具有比光扩散部折射率小的材料存在于由光扩散部限定的空腔中，并且膜各向异性扩散光。

10. 发明授权

US09465146B2 Display apparatus 有权
标题翻译：显示装置
公开(公告)号：US09465146B2
公开(公告)日：2016-10-11
申请号：US14353050
申请日：2012-10-23
申请人： Sharp Kabushiki Kaisha
发明人： Toru Kanno , Emi Yamamoto , Tsuyoshi Maeda
IPC分类号： G02F1/1335 , G02F1/1333 , G02B5/02
CPC分类号： G02B5/0278 , G02B5/0242 , G02F1/133504 , G02F1/133526 , G02F1/133606
摘要： A display apparatus includes at least a light source, a display element, and an isotropic diffusion layer. When θ0 is an emission angle at which light from the light source has a maximum luminous flux ratio, θ1 is an average traveling angle at which light incident on the display element at the angle θ0 travels to the isotropic diffusion layer, T is a distance from an image formation surface to an interface between a light diffusing member and the isotropic diffusion layer, n0 is a refractive index of air, n1 is an average refractive index in a region between the image formation surface and the isotropic diffusion layer, P is a pixel pitch, and P′ is a distance between a position at which a portion of light emitted from an end portion of one of the pixels reaches the isotropic diffusion layer in a direction perpendicular to the isotropic diffusion layer and a position at which another portion of the light emitted from the end portion of the one of the pixels reaches the isotropic diffusion layer at the traveling angle θ1, the following Expressions (1), (2), and (3) are satisfied.
摘要翻译：显示装置至少包括光源，显示元件和各向同性扩散层。当θ0是来自光源的光具有最大光通量比的发射角时，θ1是以角度θ0入射到显示元件上的光行进到各向同性扩散层的平均行进角度，T是距离图像形成面到光漫射构件和各向同性扩散层之间的界面，n0是空气的折射率，n1是图像形成表面和各向同性扩散层之间的区域中的平均折射率，P是像素间距，P'是从一个像素的端部发射的光的一部分在垂直于各向同性扩散层的方向到达各向同性扩散层的位置与该各向同性扩散层的另一部分的位置之间的距离从一个像素的端部发射的光以行进角θ1到达各向同性扩散层，满足以下表达式（1），（2）和（3）。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式