Sharp Kabushiki Kaisha Corporation

Tomoegawa Co., Ltd.

Future Vision Inc.

Masahiro Hasegawa

Akira Sakai

Kiyoshi Minoura

Yuichi Kawahira

Koji Murata

Takako Koide

Hiroyuki Hakoi

Kozo Nakamura

Hidefumi Yoshida

Shigeaki Mizushima

Miho Yamada

Yuichiro Yamada

Takayuki Nishiyama

Kensaku Higashi

Kazuyoshi Sakuragi

Hiroto Katagiri

Junichi Tanimoto

Aiji Suetake

Ikuo Ninomiya

Tsuyoshi Kamada

Kenji Okamoto

Takashi Ochi

Mitsuhiro Murata

Nobuaki Yamada

Hiroshi Yokota

Tsuyoshi Maeda

Kazuhiko Tsuda

Atsushi Ban

Tokihiko Shinomiya

Shoji Okazaki

Kohzoh Nakamura

Hiroshi Sugimoto

Atsushi Ogawa

Takayuki Yuasa

Yosuke Iwata

Kenji Misono

Yuki Yasuda

Akira Hirai

Yasuhiro Nasu

Narakazu Shimomura

Yuji Yano

Takayuki Natsume

Yoji Yoshimura

Yasuhiko Motoda

Akira Tsuruta

Shigeru Yasukawa

Takaharu Kanai

Takako Shimizu

Yuuki Itou

In a flexible display device, a transistor layer, a light-emitting element layer, a sealing layer, a first flexible substrate, a λ/4 layer, a linear polarizer, an overcoat layer, and a water repellent layer are provided in this order on a second flexible substrate, and the water repellent layer is provided so as to overlap with at least an end portion of the overcoat layer.

Flexible display device, method for manufacturing flexible display device, and foldable display device

Provided is a liquid crystal display device and a polarizing plate capable of improving the contrast ratio in the front direction. The polarizing plate includes a pair of polarizers including a first polarizer and a second polarizer whose transmission axes are parallel to each other; a retarder between the paired polarizers; and a diffusion layer in at least one of a region between the paired polarizers or a region on a side without the retarder of the first polarizer.

Liquid crystal display device and polarizing plate

An optical stack for a display device includes multiple layers that are incorporated into a display device that further includes a display panel. The optical stack includes a resin layer, an alignment film, an optical compensation layer, a polarizer, and a hard coat layer that are stacked in this order from a panel side. The optical stack is formed by preparing and coating a solution for each layer, and then curing and otherwise treating each layer as warranted for a particular layer, in turn to form the optical stack.

Optical stack including multiple optical layers, display device including the optical stack disposed on a panel, and method for producing optical stack

The liquid crystal display device includes, sequentially from a viewing surface side to a back surface side: a linearly polarizing plate and a circularly polarizing plate including a first &#x3bb;/4 retardation layer; a thin-film transistor substrate including a pair of electrodes disposed in a pixel region and a metal line disposed outside the pixel region; a liquid crystal layer containing liquid crystal molecules aligned parallel to the thin-film transistor substrate, alignment of the liquid crystal molecules varying in response to an electric field generated by application of voltage to the pair of electrodes; a color filter substrate including a color filter layer; and a backlight, the thin-film transistor substrate including a second &#x3bb;/4 retardation layer, the color filter substrate including a reflective layer disposed outside the pixel region and configured to reflect incident light from the backlight toward the back surface.

Liquid crystal display device

A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a first polarizer plate, and a second polarizer plate. The first substrate includes a first dielectric substrate, a first electrode, a second electrode, and a first alignment film. The second electrode includes a plurality of slits and a conductive portion. The second substrate includes a second dielectric substrate and a second alignment film. The first substrate further includes a resin layer disposed between the second electrode and the first alignment film. The resin layer within the plurality of slits is as thick as or thicker than the second electrode. The plurality of slits are filled with the resin layer. A difference in height between the resin layer over the conductive portion of the second electrode and the resin layer within the plurality of slits of the second electrode is 10 nm or more.

Liquid crystal display panel comprising a resin layer having a height difference between a portion over an electrode and a portion within a slit and method for manufacturing the same

A liquid crystal display device of the present invention includes in the following order from a viewing surface side a first polarizer, a first positive A plate having an in-plane retardation of 120 nm or greater and 155 nm or smaller, a positive C plate having a thickness retardation of 80 nm or greater and 100 nm or smaller, a first substrate, a second positive A plate having an in-plane retardation of 120 nm or greater and 155 nm or smaller, a horizontally aligned liquid crystal layer, a second substrate, a viewing angle compensation layer, and a second polarizer. The device further includes between the first polarizer and the first positive A plate a positive C plate having a thickness retardation of 30 nm or greater and 80 nm or smaller.

In order to make a step of forming an coated-type polarizer easier, provided is a display device including, from a lower layer, a TFT layer, a light-emitting layer, a sealing layer, and a polarization layer in this order, in which the polarization layer includes a polymerizable liquid crystal layer containing a polymerizable liquid crystal into which a dichroic pigment is mixed and an alignment film coming in contact with a portion of the polymerizable liquid crystal layer to align the polymerizable liquid crystal contained in the polymerizable liquid crystal layer with which the alignment film is in contact, and in a display region, a region in which the polymerizable liquid crystal layer and the alignment film of the polarization layer come into contact with each other is a polarization portion, and

Display device, method for producing display device, and apparatus for producing display device

The present invention provides: (I) a display device including a display panel, a retardation layer, and a polarizer which are stacked in the stated order from a back surface side to a viewing surface side and integrated without an adhesive layer; and (II) a method for producing a display device including: forming a first alignment film on a display panel, applying a solution containing first polymerizable liquid crystal to the first alignment film, and curing the first polymerizable liquid crystal to produce a retardation layer; and forming a second alignment film on the retardation layer, applying a solution containing second polymerizable liquid crystal and a dichroic material to the second alignment film, and curing the second polymerizable liquid crystal to produce a polarizer.

Display device and method for manufacturing display device

A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer, a first polarizing plate, and a second polarizing plate. The first substrate includes a first dielectric substrate, first and second electrodes, provided over the first dielectric substrate and configured to generate a transverse electric field in the liquid crystal layer, at least either of which has a plurality of slits, and a first alignment film placed in contact with the liquid crystal layer. The first substrate further includes an inorganic insulating layer provided between the second electrode and the first alignment film. The difference between the refractive index of the inorganic insulating layer and the refractive index of the second electrode is smaller than or equal to 0.20. The thickness of the inorganic insulating layer is greater than or equal to 50% of the thickness of the second electrode and greater than or equal to 40 nm.

Liquid crystal display panel and method for manufacturing same

A photo-alignment film of the present invention includes a polymer layer containing a photoreactive polymer and metal nanoparticles dispersed in the polymer layer at a concentration of 10particles/(cm&#xd7;100 nm) or more and 10particles/(cm&#xd7;100 nm) or less. The metal nanoparticles have an absorption peak in a wavelength region of 420 nm or less. An absorbance A1 at the absorption peak of the metal nanoparticles and an absorbance A2 at an absorption peak of the polymer layer satisfy a relationship represented by the following formula 1:0.2&#x2264;1/2&#x2264;25&#x2003;&#x2003;(Formula 1).

Photo-alignment film, retardation substrate, liquid crystal display device, and method for producing photo-alignment film

The present invention provides a liquid crystal display device of a transverse electric field mode that may inhibit internal reflection and realize proper black display to which coloring does not occur. The present invention provides a liquid crystal display device including a first linear polarizer, a first &#x3bb;/4 retardation layer, a first substrate, a second &#x3bb;/4 retardation layer configured with a different material from the first &#x3bb;/4 retardation layer, a liquid crystal layer that contains liquid crystals which are horizontally aligned in a case where no voltage is applied, plural electrode pairs that generate a transverse electric field in the liquid crystal layer by a voltage being applied, a second substrate, a second linear polarizer, and a backlight. In a case where a color of light emitted from the backlight is expressed by using chromaticity coordinates (x, y) of an XYZ color system, both of x and y are 0.32 or greater. The plural electrode pairs include a red electrode pair arranged in a red sub-pixel, a green electrode pair arranged in a green sub-pixel, and a blue electrode pair arranged in a blue sub-pixel. A white display applied voltage of the blue electrode pair is different from the white display applied voltage of the red electrode pair and the white display applied voltage of the green electrode pair.

A liquid crystal display device includes: a liquid crystal panel; a backlight; an illuminance sensor; and a display controller. The liquid crystal panel includes, in order toward the backlight, an antireflection layer, a first linearly polarizing plate, a first &#x3bb;/4 retardation layer, a first substrate, a second &#x3bb;/4 retardation layer, a liquid crystal layer, a second substrate, and a second linearly polarizing plate. The liquid crystal panel has a reflectance within a predetermined range in irradiating the liquid crystal panel with light from an antireflection layer side. The liquid crystal display device satisfies a predetermined relation in the following X and Y, where X (unit: lx) is defined as an environmental illuminance detected by the illuminance sensor, and Y (unit: nit) is defined as a luminance of the backlight, adjusted by the display controller.

The present invention relates to a method for producing a liquid crystal panel. The method includes curing a first reactive mesogen layer with ultraviolet light at an illuminance within a range of 40 to 90 mW/cm. The liquid crystal panel includes a first transparent base material, a TFT layer and a first alignment film stacked in order on the first transparent base material, a second transparent base material, a color filter layer, an in-cell retardation layer, and a second alignment film stacked in order on the second transparent base material, a liquid crystal layer sandwiched between the first alignment film and the second alignment film, an out-cell retardation layer disposed on a side opposite to a color filter layer side of the second transparent base material, and a pair of linearly polarizing plates arranged so as to sandwich the first transparent base material and the out-cell retardation layer and having transmission axes orthogonal to each other. The in-cell retardation layer includes the first reactive mesogen layer and a second reactive mesogen layer. The first reactive mesogen layer and the second reactive mesogen layer have different material wavelength dispersibilities and have slow axes arranged orthogonal to each other.

Method for producing liquid crystal panel, and liquid crystal panel

Growing community of inventors

Sakai, Japan

Masahiro Hasegawa