Abstract: A display device includes an organic EL element layer, a liquid crystal element layer disposed on top of the organic EL element layer, and a polarizing plate disposed at a side of the liquid crystal element layer that faces an observer. The liquid crystal element layer includes two transparent substrates and a liquid crystal layer disposed between the two transparent substrates. The liquid crystal element layer is configured to be able to, by applying a voltage to the liquid crystal layer, cause a substantially quarter-wavelength retardation in light passing through the liquid crystal layer.

Abstract: The display device of the present invention includes, in the following order toward a viewer: a display panel; a semi-transparent mirror; a Pancharatnam-Berry lens configured to cause one-handed circularly polarized light incident thereon that is left-handed circularly polarized light or right-handed circularly polarized light to converge while causing opposite-handed circularly polarized light incident thereon to diverge; and a circularly polarized light-selective reflector.

Abstract: A display device includes a display panel and a control unit. The display panel includes a first substrate, a light modulation layer configured to switch between transmissive display and non-transmissive display, and a second substrate in this order, and further includes an optical sensor configured to detect a luminance of light incident from a first space located on one main surface side of the display panel and from a second space located on the other main surface side of the display panel. The control unit calculates, based on the luminance, a relationship between brightness of the first space and brightness of the second space as a numerical value and switches display of the light modulation layer based on the numerical value.

Abstract: Provided is a liquid crystal lens including: a first substrate; a second substrate facing the first substrate; and a liquid crystal layer held between the first substrate and the second substrate and containing liquid crystal molecules. The first substrate includes a Fresnel lens and a first electrode sequentially toward the liquid crystal layer. The second substrate includes a second electrode. The Fresnel lens includes a Fresnel-shaped part including annular lens surfaces in a concentric circle pattern and a flat part including a flat surface that extends in a radial direction of the concentric circle and intersects at least one of the annular lens surfaces. The annular lens surfaces are on a liquid crystal layer-facing surface of the Fresnel-shaped part and defines an uneven surface. The flat surface is on the liquid crystal layer-facing surface of the flat part.

Abstract: Provided is a display device having a thin profile and a high light use efficiency and a head-mounted display including the display device. The display device includes a display panel; a circular polarizer configured to convert display light from the display panel into circularly polarized light and to transmit the circularly polarized light; a patterning mirror including light transmitters and a light reflector, the light transmitters being configured to transmit the circularly polarized light and the light reflector being provided on a surface opposite to a surface facing the circular polarizer; a lens configured to transmit the circularly polarized light transmitted through the patterning mirror; and a circularly polarized light selective reflector configured to selectively reflect the circularly polarized light transmitted through the lens.

Abstract: An electronic device includes a first display panel including a first display surface, and a second display panel including a second display surface and configured to be disposed such that light emitted from the first display surface is incident on the second display surface. The first display panel is configured such that light emitted from the first display surface and incident on the second display surface includes a large amount of P-polarization components. The second display panel is a reflection-type display panel, and includes a polarizer disposed on the second display surface and configured to absorb S-polarization components of incident light.

Abstract: A display device includes a display member, a lens, and a light intensity adjuster. The display member is configured to display an image by releasing relatively short-wavelength light and relatively long-wavelength light. The lens is configured to allow the image on the display member to be reproduced on an eye of the user and thicker in the middle thereof than at the periphery thereof. The light intensity adjuster is included in the display member. The light intensity is configured to allow short-wavelength light to be released from a middle of the display member in a larger amount than both short-wavelength light to be released from ends of the display member and long-wavelength light to be released from the middle of the display member.

Abstract: A display device includes an organic EL element layer, a liquid crystal element layer disposed on top of the organic EL element layer, and a polarizing plate disposed at a side of the liquid crystal element layer that faces an observer. The liquid crystal element layer includes two transparent substrates and a liquid crystal layer disposed between the two transparent substrates. The liquid crystal element layer is configured to be able to, by applying a voltage to the liquid crystal layer, cause a substantially quarter-wavelength retardation in light passing through the liquid crystal layer.

Abstract: A display device includes: a color filter including a first transmissive filter, a second transmissive filter, and a third transmissive filter, the first, second and third transmissive filters being configured to transmit respective light beams having peak wavelengths different from each other; a first selective-wavelength-reflection layer adjacent to an optical-input surface of the first transmissive filter, the first selective-wavelength-reflection layer being configured to reflect light of a wavelength band that passes through the third transmissive filter; a second selective-wavelength-reflection layer adjacent to an optical-input surface of the second transmissive filter, the second selective-wavelength-reflection layer being configured to reflect light of a wavelength band that passes through the third transmissive filter, the second selective-wavelength-reflection layer being identical in composition to the first selective-wavelength-reflection layer; and a light emitter configured to emit light that t

Abstract: Provided is a liquid crystal lens including: a first substrate; a second substrate facing the first substrate; and a liquid crystal layer held between the first substrate and the second substrate and containing liquid crystal molecules. The first substrate includes a Fresnel lens and a first electrode sequentially toward the liquid crystal layer. The second substrate includes a second electrode. The Fresnel lens includes a Fresnel-shaped part including annular lens surfaces in a concentric circle pattern and a flat part including a flat surface that extends in a radial direction of the concentric circle and intersects at least one of the annular lens surfaces. The annular lens surfaces are on a liquid crystal layer-facing surface of the Fresnel-shaped part and defines an uneven surface. The flat surface is on the liquid crystal layer-facing surface of the flat part.

Abstract: A display device includes a first display configured to display a plurality of objects, and a touch panel overlapped with the first display in a plan view. The touch panel includes a pressing force sensor configured to detect a pressing force in each of the plurality of objects. The display device controls display of a second display in accordance with a function of an object with a pressing force detected, among the plurality of objects.

Abstract: A display device includes: a color filter including a first transmissive filter, a second transmissive filter, and a third transmissive filter, the first, second and third transmissive filters being configured to transmit respective light beams having peak wavelengths different from each other; a first selective-wavelength-reflection layer adjacent to an optical-input surface of the first transmissive filter, the first selective-wavelength-reflection layer being configured to reflect light of a wavelength band that passes through the third transmissive filter; a second selective-wavelength-reflection layer adjacent to an optical-input surface of the second transmissive filter, the second selective-wavelength-reflection layer being configured to reflect light of a wavelength band that passes through the third transmissive filter, the second selective-wavelength-reflection layer being identical in composition to the first selective-wavelength-reflection layer; and a light emitter configured to emit light that t

Abstract: The present disclosure provides a display apparatus capable of suppressing screen-door effect without requiring alignment between an optical element and a pixel. A display apparatus (1) includes a CF substrate (13) that determines a color of a sub-pixel corresponding to a color element, for each of a plurality of pixels, and a lenticular lens (14) that widens a full width at half maximum of luminance of emitted light more than a full width at half maximum of luminance of light incident from the CF substrate, in which the lenticular lens has a periodic structure smaller than a periodicity of arrangement of sub-pixels.

Abstract: A display device includes a display member, a lens, and a light intensity adjuster. The display member is configured to display an image by releasing relatively short-wavelength light and relatively long-wavelength light. The lens is configured to allow the image on the display member to be reproduced on an eye of the user and thicker in the middle thereof than at the periphery thereof. The light intensity adjuster is included in the display member. The light intensity is configured to allow short-wavelength light to be released from a middle of the display member in a larger amount than both short-wavelength light to be released from ends of the display member and long-wavelength light to be released from the middle of the display member.

Abstract: A liquid crystal display device 10 includes a liquid crystal panel 11, a backlight device 12 supplying light to the liquid crystal panel 11, LEDs 13 included in the backlight device 12, a light guide plate 15 that is an optical member and included in the backlight device 12 and disposed opposite the liquid crystal panel 11 and has a light guide plate light exit surface 15a through which light from the LEDs 13 exits toward the liquid crystal panel 11, and a light guide plate side light collecting portion 20 included in the light guide plate 15, which is the optical member, and applying an anisotropic refracting action to at least light rays exiting an edge portion of the light guide plate light exit surface 15a to be directed to a middle section of the liquid crystal panel 11.

Abstract: A display device includes: a foldable display panel having flexibility; a touch detector disposed selectively on one panel face side of the display panel and capable of detecting a plurality of touch areas; and a determiner for detecting that the display panel is folded only if the touch areas detected by the touch detector are three or more in number, and a largest first touch area thereof is located between the touch areas other than the first touch area.

Abstract: A display device includes a display panel having a display surface and a lighting device that supplies light to the display panel. The lighting device includes a light source, and an optical member having at least a light exit surface through which the light emitted by the light source exits toward the display surface of the display panel. The optical member includes a light refraction portion that imparts an anisotropic refraction effect to at least light rays exiting through an edge section of the light exit surface to be oriented toward a center side of the display surface. The display device further includes a low refraction index layer interposed between the display panel and the optical member, and the low refraction index layer has a refraction index lower than at least a refraction index of the optical member.

Abstract: A display device includes a display panel, a lighting device having a light emission surface, a center directive light refraction member imparting a refraction effect to light exiting through the light emission surface to be directed to a middle section of the display panel to generate a much light emission angle range where an emission light quantity is much and a less light emission angle range where the light emission quantity is less in a luminance angle distribution, and an asymmetric light refraction member configured to impart an asymmetric refraction effect to the emission light such that among emission light rays exiting the center directive light refraction member, light rays in the less light emission angle range is directed toward the less light emission angle range while a part of light rays in the much light emission angle range is directed toward the less light emission angle range.

Abstract: In the display device, a display panel, a linearly polarized light reflection layer, and a light scattering layer are configured to satisfy at least two states selected from the group consisting of: a state where the display panel includes a display surface with divided regions involving a display region and a non-display region, a state where the linearly polarized light reflection layer includes divided regions involving first and second reflection regions, and a state where the light scattering layer includes divided regions involving a light scattering region and a light transmitting region. At least two regions are superimposed on each other. The regions are selected from the group consisting of one of the display region and the non-display region, one of the first and second reflection regions, and one of the light scattering region and the light transmitting region and satisfy the at least two states.

Abstract: A display device includes: a foldable display panel having flexibility; a touch detector disposed selectively on one panel face side of the display panel and capable of detecting a plurality of touch areas; and a determiner for detecting that the display panel is folded only if the touch areas detected by the touch detector are three or more in number, and a largest first touch area thereof is located between the touch areas other than the first touch area.