Abstract: Provided is an image display device including an optical scanner configured to scan light emitted from a light source, a parallel light generator configured to generate the scanned light as parallel light, a prism configured to refract the parallel light, and a light direction changer including a plurality of points whereon the parallel light refracted by the prism is incident and configured to reflect or diffract the parallel light and change a traveling direction of the parallel light, wherein the prism is provided on a path of each light traveling from the optical scanner to the light direction changer to adjust an optical path difference of parallel light incident on each of the plurality of points of the light direction changer.

Abstract: Provided are a light source device, a light emission control method, and a computer program for mitigating flickers. The light source device includes a plurality of light sources, and a controller configured to individually control the plurality of light sources to emit light. The controller controls one or more of the plurality of light sources to emit light at random in a time domain or controls such that light emission timings of the plurality of light sources do not overlap.

Abstract: An image display apparatus includes a scanning optical unit configured to scan a laser light, a beam shaper configured to receive the laser light scanned by the scanning optical unit in a direction normal to a surface of the beam shaper, an illumination optical unit configured to transmit the laser light emitted from the beam shaper to a display panel, the illumination optical unit including an anamorphic lens and two reflective optical elements having free-form surfaces, the display panel configured to display an image based on the laser light transmitted by the illumination optical unit, and an eyepiece optical unit configured to concentrate an image light emitted from the display panel to an eye of an observer, the eyepiece optical unit including three reflective optical elements having free-form surfaces.

Abstract: Provided are a light source device, a light emission control method, and a computer program for mitigating flickers. The light source device includes a plurality of light sources, and a controller configured to individually control the plurality of light sources to emit light. The controller controls one or more of the plurality of light sources to emit light at random in a time domain or controls such that light emission timings of the plurality of light sources do not overlap.

Abstract: An image display apparatus including a first light source, a spherical lens configured to receive light output from the first light source, an aspherical lens configured to receive light output from the spherical lens, a first free curved mirror configured to receive light output from the aspherical lens is incident, a second free curved mirror configured to receive light output from the first free curved mirror, a third free curved mirror configured to receive light output from the second free curved mirror, and an image display panel configured to receive light output from the third free curved mirror and configured to display image information, wherein a light path of the light output from the first free curved mirror, a light path of the light output from the second free curved mirror, and a light path of the light output from the third free curved mirror intersect each other.

Abstract: Provided is an image display device including an optical scanner configured to scan light emitted from a light source, a parallel light generator configured to generate the scanned light as parallel light, a prism configured to refract the parallel light, and a light direction changer including a plurality of points whereon the parallel light refracted by the prism is incident and configured to reflect or diffract the parallel light and change a traveling direction of the parallel light, wherein the prism is provided on a path of each light traveling from the optical scanner to the light direction changer to adjust an optical path difference of parallel light incident on each of the plurality of points of the light direction changer.

Abstract: Provided is an image display device including an optical scanner configured to scan light emitted from a light source, a parallel light generator configured to generate the scanned light as parallel light, a prism configured to refract the parallel light, and a light direction changer including a plurality of points whereon the parallel light refracted by the prism is incident and configured to reflect or diffract the parallel light and change a traveling direction of the parallel light, wherein the prism is provided on a path of each light traveling from the optical scanner to the light direction changer to adjust an optical path difference of parallel light incident on each of the plurality of points of the light direction changer.

Abstract: An optical member, a polarization member, and a display device are provided. The optical member includes a substrate, and a functional layer provided on the substrate, the functional layer including a high refractive layer and a low refractive layer, wherein the high refractive layer has a higher refractive index than that of the substrate and a diffraction grating structure, and the low refractive layer has a lower refractive index than that of the high refractive layer, wherein an interface between the substrate and the high refractive layer and an interface between the high refractive layer and the low refractive layer are in states in which components of the respective layers with the respective interfaces therebetween are compatible with each other.

Abstract: An image display apparatus including a first light source, a spherical lens configured to receive light output from the first light source, an aspherical lens configured to receive light output from the spherical lens, a first free curved mirror configured to receive light output from the aspherical lens is incident, a second free curved mirror configured to receive light output from the first free curved mirror, a third free curved mirror configured to receive light output from the second free curved mirror, and an image display panel configured to receive light output from the third free curved mirror and configured to display image information, wherein a light path of the light output from the first free curved mirror, a light path of the light output from the second free curved mirror, and a light path of the light output from the third free curved mirror intersect each other.

Abstract: Provided are a light emitting diode capable of improving contrast, a method for manufacturing a light emitting diode, a light emitting diode display device, and a method for manufacturing a light emitting diode display device. The light emitting diode according to an embodiment comprises a package substrate having an electrode provided therein; a light emitting diode chip provided on the package substrate; a power line electrically connecting the light emitting diode chip to the electrode; and a black layer covering the electrode including a part connected to the power line.

Abstract: Provide are a composite optical sheet used for a liquid crystal display (LCD) device and a method of manufacturing the composite optical sheet. The LCD device includes: a liquid crystal panel; a surface light-emitting module; a base layer disposed between the liquid crystal panel and the surface light-emitting module; a diffusion pattern layer disposed on a surface of the base layer facing the surface light-emitting module and configured to diffuse light incident from the surface light-emitting module; a prism pattern layer disposed on a surface of the base layer facing the liquid crystal panel and including a plurality of first unit prisms; and a prism film adhered to the prism pattern layer and including a plurality of second unit prisms.

Abstract: An image display apparatus includes a scanning optical unit configured to scan a laser light, a beam shaper configured to receive the laser light scanned by the scanning optical unit in a direction normal to a surface of the beam shaper, an illumination optical unit configured to transmit the laser light emitted from the beam shaper to a display panel, the illumination optical unit including an anamorphic lens and two reflective optical elements having free-form surfaces, the display panel configured to display an image based on the laser light transmitted by the illumination optical unit, and an eyepiece optical unit configured to concentrate an image light emitted from the display panel to an eye of an observer, the eyepiece optical unit including three reflective optical elements having free-form surfaces.

Abstract: Provided is an image display device including an optical scanner configured to scan light emitted from a light source, a parallel light generator configured to generate the scanned light as parallel light, a prism configured to refract the parallel light, and a light direction changer including a plurality of points whereon the parallel light refracted by the prism is incident and configured to reflect or diffract the parallel light and change a traveling direction of the parallel light, wherein the prism is provided on a path of each light traveling from the optical scanner to the light direction changer to adjust an optical path difference of parallel light incident on each of the plurality of points of the light direction changer.

Abstract: An optical member, a polarization member, and a display device are provided. The optical member includes a substrate, and a functional layer provided on the substrate, the functional layer including a high refractive layer and a low refractive layer, wherein the high refractive layer has a higher refractive index than that of the substrate and a diffraction grating structure, and the low refractive layer has a lower refractive index than that of the high refractive layer, wherein an interface between the substrate and the high refractive layer and an interface between the high refractive layer and the low refractive layer are in states in which components of the respective layers with the respective interfaces therebetween are compatible with each other.

Abstract: Provided are a light emitting diode capable of improving contrast, a method for manufacturing a light emitting diode, a light emitting diode display device, and a method for manufacturing a light emitting diode display device. The light emitting diode according to an embodiment comprises a package substrate having an electrode provided therein; a light emitting diode chip provided on the package substrate; a power line electrically connecting the light emitting diode chip to the electrode; and a black layer covering the electrode including a part connected to the power line.

Abstract: Provide are a composite optical sheet used for a liquid crystal display (LCD) device and a method of manufacturing the composite optical sheet. The LCD device includes: a liquid crystal panel; a surface light-emitting module; a base layer disposed between the liquid crystal panel and the surface light-emitting module; a diffusion pattern layer disposed on a surface of the base layer facing the surface light-emitting module and configured to diffuse light incident from the surface light-emitting module; a prism pattern layer disposed on a surface of the base layer facing the liquid crystal panel and including a plurality of first unit prisms; and a prism film adhered to the prism pattern layer and including a plurality of second unit prisms.

Abstract: Provided are: an agent for suppressing an undesirable effect of an opioid-type analgesic (opioid), which comprises a compound having adenosine A2A receptor antagonistic activity or a pharmaceutically acceptable salt thereof as an active ingredient; the agent for suppressing an undesirable effect of an opioid-type analgesic (opioid), wherein the undesirable effect of the opioid-type analgesic (opioid) is analgesic tolerance or constipation; the agent for suppressing an undesirable effect of an opioid-type analgesic (opioid), wherein the undesirable effect of the opioid-type analgesic (opioid) is analgesic tolerance; and the like.

Abstract: The present invention provides a novel polypeptide having a ?1,3-N-acetylglucosaminyltransferase activity; a method for producing the polypeptide; a DNA which encodes the polypeptide; a recombinant vector into which the DNA is inserted; a transformant comprising the recombinant vector; a method for producing a sugar chain or complex carbohydrate, using the polypeptide; a method for producing a sugar chain or complex carbohydrate, using the transformant; an antibody which recognizes the polypeptide; a method for screening a substance which changes the expression of the gene which encodes the polypeptide; and a method for screening a substance which changes the activity of the polypeptide.

Abstract: This invention relates to a process for producing a sugar nucleotide, in which a) a culture broth of a microorganism capable of producing NTP from a nucleotide precursor, or a treated product of the culture broth, and b) a culture broth of a microorganism capable of producing a sugar nucleotide from a sugar and NTP, or a treated product of the culture broth, are used as enzyme sources; a process for producing a complex carbohydrate, in which the above-described a) and b) and c) a culture broth of a microorganism, an animal cell or an insect cell capable of producing a complex carbohydrate from a sugar nucleotide and a complex carbohydrate precursor, or a treated product of the culture broth, are used as enzyme sources; a process for producing a complex carbohydrate, in which a culture broth of a microorganism, an animal cell or an insect cell capable of producing a complex carbohydrate from a sugar nucleotide and a complex carbohydrate precursor, or a treated product of the culture broth, is as an enzyme sour

Abstract: A lens barrel configured such that an optical image stabilization lens in the lens barrel is retreated from the optical axis of the lens barrel to be accommodated in a desired position through a series of operations is provided. The lens barrel includes a lens group configured to be moved in the direction of the optical axis in response to a zooming or focusing operation, an Optical Image Stabilization (OIS) lens movable in a direction perpendicular to the optical axis, and an OIS lens assembly which is equipped with the OIS lens, the OIS lens assembly being arranged to retreat the OIS lens from the optical axis and to move the OIS lens in a direction following the optical axis at the time of retraction of the lens group.