Sharp Kabushiki Kaisha Corporation

Daikin Industries, Ltd.

Fuence Co., Ltd.

Emi Yamamoto

Tsuyoshi Maeda

Toru Kanno

Shohei Katsuta

Yasushi Asaoka

Hideomi Yui

Tsuyoshi Kamada

Tohru Sonoda

Sho Ochi

Hidefumi Yoshida

Hideki Uchida

Yoshimasa Fujita

Hidenori Ogata

Yuhsuke Tsuda

Mitsuru Chida

Makoto Yamada

Koji Murata

Shun Ueki

Takeshi Hirase

Meiten Koh

Takashi Katayama

Taku Yamanaka

Yuhki Kobayashi

Taketo Kato

Kenzou Takahashi

Hirotoshi Yoshida

Yoshinori Nanba

Tokiyoshi Umeda

Kenji Ichikawa

Kazuya Ishida

Kazuyoshi Sakuragi

Yohei Fujimoto

Masakazu Kamura

Katsumi Kondoh

Mai Koyama

Takuya Yamabe

Takuya Ootani

Kazuya Nitta

Yasumasa Nakamura

A composition containing a polytetrafluoroethylene, a polymer (I) containing a polymerization unit (I) based on a monomer represented by the general formula (I), a nonionic surfactant, and an aqueous medium, wherein a content of the polytetrafluoroethylene in the composition is 10% by mass or more based on the composition, and a content of the nonionic surfactant in the composition is 1.0% by mass or more based on the polytetrafluoroethylene,CXX═CXR(—CZZ-A)  (I)wherein Xand Xare each independently F, Cl, H, or CF; Xis H, F, an alkyl group, or a fluorine-containing alkyl group; Ais an anionic group; R is a linking group; Zand Zare each independently H, F, an alkyl group, or a fluorine-containing alkyl group; and m is an integer of 1 or more.

Composition and method for producing the same

The present invention makes it possible to reduce an afterimage phenomenon while preventing an increase in driving voltage. A liquid crystal display device () includes: a liquid crystal layer () and a pair of substrates which face each other across the liquid crystal layer (); and an upper electrode (), a lower electrode (), and a first insulating layer () which are provided in a stack on one substrate () of the pair of substrates so that the upper electrode () and the lower electrode () overlap each other via the first insulating layer (), the upper layer electrode () having an end surface which constitutes an opening of the upper electrode (), the end surface being forward tapered and forming, with the one substrate (), an average angle of inclination of not more than 30 degrees.

Liquid crystal display device

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.

Wavelength conversion substrate, liquid-crystal element, liquid-crystal module, and liquid-crystal display device

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.

Light diffusion member, base material for light diffusion member production, display device using same and method for producing light diffusion member

A light-diffusion member () includes: a substrate () having light-transmitting properties; a light-diffusion portion () on a face of the substrate () facing a display medium (); and a light-blocking layer () on a part of the face of the substrate () facing the display medium () other than where the light-diffusion portion () is provided. The light-diffusion portion () includes: a light-emitting end face () in contact with the substrate (); and a light-incident end face () facing, and being larger in area than, the light-emitting end face (). The adhesive layer () adheres to light-incident end face () and partly () encroaches into a space () between the light-diffusion portion () and light-blocking layer ().

Display device, adhesive-layer-including light-diffusion member, and method of manufacturing the light-diffusion member

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 (), 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&#xb0;. 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 () when seen from a normal line direction of the base has a straight line part parallel to the absorption axis (P, P) of one of the first polarizing sheet and the second polarizing sheet and a straight line part forming an angle of less than 45&#xb0; with the absorption axis (P, P) of one polarizing sheet.

Liquid crystal display device, optical control member, and base material for manufacturing optical control member

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.

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&#x2212;S2)/S1&#xd7;100&#x2265;50.

Light control film, display device, and method for manufacturing light control film

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.

Light-diffusing member, method for manufacturing light-diffusing member, and display device

A liquid crystal display () includes a liquid crystal panel (), a backlight (), and a light-diffusing member (). There exist azimuths in which a transmittance of the liquid crystal panel () and a luminance of the backlight () 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 () is higher coincides with the azimuth in which the luminance of the backlight () is higher.

Liquid crystal display

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.

Light diffusion member, method for manufacturing same, and display device

A liquid crystal display device includes: a liquid crystal panel; 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 a first azimuth angle direction viewed from a normal direction of the liquid crystal panel to control an emission direction of the light. A pixel includes a first region in which a director of liquid crystal molecules is in a first direction, and a second region in which the director of the liquid crystal molecules is in a second orientation opposite to the first orientation in the first direction. A second azimuth angle direction in which light-diffusibility of the light control member is relatively strong, and the first direction approximately match each other.

A light control film (light control member) includes a light transmissive base, a plurality of light shielding portions scattered over one surface of the base, and a light diffusing portion formed on the one surface of the base in a region other than regions in which the light shielding portions are formed. The light diffusing portion has a light exit end face and a light incident end face having a larger area than the light exit end face, and the height of the light diffusing portion is greater than the thickness of the light shielding portions. At least part of the opening of at least some of a plurality of air-cavities has a protrusion which is formed of a portion of the light diffusing portion that projects toward the inner side of the opening.

Light control member, method for manufacturing same, and display device

A light diffusion member includes a light transmissive substrate, a plurality of light diffusion sections formed on one surface of the substrate, a light shielding layer formed in a region other than formation regions of the light diffusion sections on the one surface of the substrate, and light scattering bodies. The light diffusion sections have a light emitting end surface on the substrate side and a light incident end surface having an area greater than an area of the light emitting end surface on a side opposite to the substrate side. A height from the light incident end surface to the light emitting end surface of each of the light diffusion sections is greater than a thickness of the light shielding layer. The light scattering bodies are disposed further on a light emitting side than the light diffusion sections.

Light diffusion member, method for producing same, and display device

A light diffusion member includes a substrate having light transmissivity, a plurality of light shielding layers, and light diffusion portions. The light diffusion portions have a light-emitting end surface, a light incident end surface which has a larger area than the area of the light-emitting end surface, and a reflecting face. Light which enters from the light incident end surface is anisotropically diffused in an azimuth direction seen from a normal direction of the substrate, and 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 hollow portion of the light diffusion portion is formed in the formation region of the light shielding layers, and air is present in the hollow portion.

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Osaka, Japan

Emi Yamamoto