Abstract: According to one embodiment, a liquid crystal display device includes a first substrate unit including pixel electrodes arranged in a matrix configuration, a second substrate unit including counter electrodes, and a liquid crystal layer. The pixel electrodes include a first and a second pixel electrode arranged to be adjacent along one of the row direction or the column direction. An inter-pixel region is provided between the first and the second pixel electrodes. The counter electrodes include a first and a second opposing portion arranged to be adjacent along the other of the row direction or the column direction. An inter-counter electrode region is provided between the first and the second opposing portions. The inter-counter electrode region overlaps the inter-pixel region. A light-shielding layer is provided in the second substrate unit, and covers the inter-counter electrode region and the inter-pixel region.

Abstract: According to one embodiment, a liquid crystal display device includes a first substrate unit, a second substrate unit, and a liquid crystal layer. The first substrate unit includes a first pixel electrode and a second pixel electrode. The second pixel electrode is adjacent to the first pixel electrode in the first direction. The second pixel electrode is light-reflective. The second substrate unit includes a counter electrode. The counter electrode is light-transmissive. The liquid crystal layer is provided between the first substrate unit and the second substrate unit. The first pixel electrode includes a first electrode portion and a second electrode portion. The first electrode portion is light-reflective. At least a portion of the second electrode portion is provided between the first electrode portion and the second pixel electrode. A light reflectance of the second electrode portion is lower than a light reflectance of the first electrode portion.

Abstract: A display device includes a reflective image display unit having a sheet-like anisotropic scattering member. The sheet-like anisotropic scattering member has a surface in which both a low refractive index area and a high refractive index area exist. The sheet-like anisotropic scattering member is disposed so that a light enters from a first surface thereof and exits as scattered light from a second surface thereof, when an extent of refractive index difference at a boundary or vicinity thereof between the low refractive index area and the high refractive index area is relatively large in the first surface and relatively small in the second surface.

Abstract: According to an aspect, a semi-transmissive liquid crystal display device includes a plurality of pixels arranged in a matrix, a plurality of reflective electrodes, a counter electrode facing the reflective electrode, and a liquid crystal layer. The reflective electrodes are provided for each of the pixels, and each of them includes a plurality of electrodes, with a combination of the areas of which area coverage modulation is performed by using n bits. The electrodes are configured such that a ratio of the sum of the perimeter(s) of electrode(s) corresponding to each bit of the n bits satisfies 1:2: . . . :2n-1. The liquid crystal layer is provided between the reflective electrode and the counter electrode. The semi-transmissive liquid crystal display device is configured to carry out reflective display using the reflective electrode and carry out transmissive display using at least a space of the reflective electrode between the pixels.

Abstract: According to one embodiment, a specimen detection device includes a light source, a filter, a sensor, and a controller. The light source executes a first operation and a second operation. The first operation causes a first light of a first peak wavelength to be incident on a specimen. The second operation causes a second light of a second peak wavelength to be incident on the specimen. The filter attenuates the first and second lights and transmits at least a portion of a third light and at least a portion of a fourth light. The third light is emitted from the specimen. The fourth light is emitted from the specimen. The sensor outputs a first signal and a second signal. The first signal corresponds to the third. The second signal corresponds to the fourth light. The controller calculates a result value by processing the first and second signals.

Abstract: According to an aspect, a display device includes a display panel and a plurality of memory circuits. The display panel includes a plurality of pixels each including a plurality of sub-pixel electrodes arranged in a matrix, and the display panel is divided into at least a first region and a second region in which at least one of the predetermined maximum number of displayable gradations and maximum resolution is different from that of the first region. The memory circuits are located under the sub-pixel electrodes and each of the memory circuits stores therein pixel potential corresponding to gradation to be applied to at least one of the sub-pixel electrodes. The arrangement of the sub-pixel electrodes is the same in the first region and the second region of the display panel.

Abstract: A liquid crystal display is provided including an anisotropic scatterer provided on a front substrate side of a front substrate, wherein the anisotropic scatterer includes low refractive index regions and high refractive index regions, wherein high-low-index boundaries are disposed between the low refractive index regions and high refractive index regions, and wherein the anisotropic scatterer is disposed such that ambient light is scattered when light is incident from a direction substantially following the direction that the high-low-index boundaries extend, and such that the light is transmitted when light is incident from a direction substantially perpendicular to the direction that the high-low-index boundaries extends.

Abstract: A display apparatus including a display section including an array of pixels in a two-dimensional matrix, wherein each of the pixels of the display section includes a pair of a subpixel displaying a first primary color, and a subpixel displaying a second primary color being different from the first primary color.

Abstract: According to one embodiment, a liquid crystal display device includes a polarizing layer, first and second substrate units, and a liquid crystal layer. The first substrate unit has first and second surfaces. The first surface is on the polarizing layer side. The second surface is on a side opposite to the first surface. The first substrate unit includes first and second pixel electrodes, and an opening region. The first and second pixel electrodes are disposed on the first surface. The second substrate unit is provided between the first substrate unit and the polarizing layer. The second substrate unit has third and fourth surfaces. The third surface is on the first substrate unit side. The fourth surface is on a side opposite to the third surface. The second substrate unit includes an opposing electrode on the third surface. The liquid crystal layer is provided between the first and third surfaces.

Abstract: A display device includes a reflective image display unit having a sheet-like anisotropic scattering member. The sheet-like anisotropic scattering member has a surface in which both a low refractive index area and a high refractive index area exist. The sheet-like anisotropic scattering member is disposed so that a light enters from a first surface thereof and exits as scattered light from a second surface thereof, when an extent of refractive index difference at a boundary or vicinity thereof between the low refractive index area and the high refractive index area is relatively large in the first surface and relatively small in the second surface.

Abstract: A liquid crystal display which is a reflective liquid crystal display includes: a front substrate; a rear substrate; and a liquid crystal material layer disposed between the front substrate and the rear substrate, wherein an optical design is performed such that an extreme value of a liquid crystal applied voltage-reflectance curve in a state of being observed from a normal observing direction is shifted further to a lower voltage side than an extreme value of a liquid crystal applied voltage-reflectance curve in a state of being observed from a direction deviated from the normal observing direction, and wherein an anisotropic scatterer disposed such that a direction where scattering characteristics are the maximum is aligned with the normal observing direction is provided on the front substrate side.

Abstract: A display apparatus includes a display section including an array of pixels in a two-dimensional matrix, wherein each of the pixels of the display section includes a pair of a subpixel displaying a first primary color, and a subpixel displaying a second primary color being different from the first primary color.

Abstract: According to one embodiment, a liquid crystal display device includes a first polarizing layer, a second polarizing layer, a first substrate unit, a liquid crystal layer, and a second substrate unit. The first substrate unit is provided between the first and second polarizing layers. The first substrate unit includes a first pixel electrode, a second pixel electrode, and an inter-pixel region between the first and second pixel electrodes. The first and second pixel electrodes are light-reflective and disposed in a first major surface intersecting a direction from the first polarizing layer toward the second polarizing layer. The second substrate unit is provided between the first substrate unit and the second polarizing layer. An opposing electrode is provided in a second major surface of the second substrate unit. The opposing electrode is light-transmissive. The liquid crystal layer is provided between the first and second major surfaces.

Abstract: According to an aspect, a transflective liquid crystal display device includes: a first substrate on which reflective electrodes are arranged for pixels; a second substrate on which a transparent electrode is provided; a liquid crystal layer between the first and the second substrates; and a color filter that is provided closer to the transparent electrode than the reflective electrodes, and includes filters of a plurality of colors. The first substrate is provided with a first space between reflective electrodes of adjacent pixels and a second space between reflective electrodes of adjacent pixels, the first space extending in a first direction and overlapping a border between filters of different colors, the second space extending in a second direction and having transmittance higher than that of the first space. Transmissive display is performed by using the second space where a light shielding member is not positioned.

Abstract: According to an aspect, a display device includes: a display surface on which pixels each including sub-pixels of a plurality of colors are two-dimensionally arrayed; a reflective member; a first substrate provided with the reflective member; a second substrate arranged to face the first substrate; a color filter provided with filters of at least two colors corresponding to the sub-pixels; and a scattering member provided on the second substrate. A main viewing angle direction of the display device is a direction intersecting with the display surface. The color filter is formed such that a change in transmittance of the filters per pixel in the main viewing angle direction is smaller than a change in transmittance of the filters per pixel in a direction orthogonal to the main viewing angle direction in a direction parallel to the display surface.

Abstract: According to an aspect, a liquid crystal display device includes a first electrode having a plurality of electrode base portions that extend in a first direction; a plurality of first comb-shaped portions that protrude from each of the plurality of electrode base portions in a second direction; and a plurality of second comb-shaped portions that protrude from each of the plurality of electrode base portions in an opposite direction to the second direction. Front edges of the first comb-shaped portions and the second comb-shaped portions that extend from the adjacent electrode base portions face each other with a gap therebetween, respectively. Transmission ineffective areas are formed at portions between the front edges facing each other, respectively, and not continuously aligned.

Abstract: According to an aspect, a liquid crystal display device includes: a first substrate and a second substrate that face each other; a liquid crystal layer provided between the first substrate and the second substrate; and a first electrode and a second electrode provided between the first substrate and the liquid crystal layer. The first electrode includes: at least an electrode base portion that extends in a first direction; and a plurality of comb-shaped portions that protrude from the electrode base portion at a fixed distance away from each other, and extend in a second direction different from the first direction. Each comb-shaped portion has a coupling portion layered on or under the electrode base portion.

Abstract: According to an aspect, a display device includes a plurality of pixels each including a plurality of sub-pixels. Each of the sub-pixels is arranged around center of the corresponding pixel and divided into a plurality of display regions to perform N-bit area coverage modulation by a combination of the display regions. The display regions are arranged in such a manner that: a display region corresponding to a least significant bit of the area coverage modulation is arranged closest to the center of the corresponding pixel; and a display region corresponding to a higher significant bit of the area coverage modulation is arranged around the center of the pixel and further from the center of the corresponding pixel (N is a natural number of 2 or more).

Abstract: According an aspect, a liquid crystal display device includes: a first substrate on which a reflective electrode is arranged for each of a plurality of pixels; a second substrate; a liquid crystal layer arranged between the first substrate and the second substrate; and a wave plate in which liquid crystals are fixed so that an alignment direction of the liquid crystals is opposite to an alignment direction of the liquid crystal layer. The wave plate is arranged on a second substrate side of the liquid crystal layer.

Abstract: A liquid crystal display device includes a first substrate provided with a reflective electrode, a second substrate provided with a transparent electrode oppositely disposed to the reflective electrode, a liquid crystal layer disposed between the first second substrates, a polarization plate oppositely disposed to the first substrate with an interposition of the second substrate, and an anisotropic scattering member disposed between the second substrate and the polarization plate. A main view angle direction is set as a predetermined direction intersecting a display surface. The anisotropic scattering member has a scattering center and scatters light traveling along a scattering axis direction which is a direction having a predetermined angle range centered around the scattering center. The scattering axis direction coincides with the main view angle direction.