Abstract: A microscope objective lens includes, in order from an object side, a first lens group having positive refractive power, a second lens group having positive refractive power, and a third lens group having negative refractive power, and is configured such that the first lens group includes, on the most object side, a positive meniscus lens whose concave surface is directed to the object side, such that the second lens group includes a diffractive optical element having positive refractive power, and such that the diffractive optical element is arranged at a position closer to the image than a portion at which the diameter of a light flux passing through the first lens group and the second lens group is the largest.

Abstract: A photographing optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The third lens element with positive refractive power has an object-side surface being convex and an image-side surface being concave in a paraxial region thereof. The fourth lens element with negative refractive power has an object-side surface being concave and an image-side surface being convex in a paraxial region thereof. The fifth lens element has an image-side surface being concave in a paraxial region thereof. The sixth lens element has an object-side surface being convex and an image-side surface being concave in a paraxial region thereof.

Abstract: The present invention relates to a touch panel comprising a structure body comprising: a substrate; a conducting pattern that is provided on at least one surface of the substrate; and a light absorption pattern provided on at least one surface of the conducting pattern and provided on at least a portion of regions corresponding to the conducting pattern, and a method for manufacturing the same.

Abstract: Embodiments of the invention provide a color filter substrate and a manufacturing method for the same, and a display device. The color filter substrate comprises a plurality of spacers. The spacer has a cross-sectional shape in a direction parallel to the color filter substrate, and the cross-sectional shape including a first supporting portion extending along a first direction and a second supporting portion extending along a second direction, which is connected to an end portion of the first supporting portion, the first direction being perpendicular to the second direction.

Abstract: A photographing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has negative refractive power. The third lens element has positive refractive power, wherein both surfaces thereof are aspheric. The fourth lens element has refractive power, wherein both surfaces thereof are aspheric. The fifth lens element has negative refractive power, wherein both surfaces thereof are aspheric. The sixth lens element with positive refractive power has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof, wherein both of the two surfaces are aspheric.

Abstract: An image capturing lens system includes, in order from an object side to an image side, a first lens element with positive refractive power having an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, a second lens element with negative refractive power having an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof, a third lens element with positive refractive power having an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof, and a fourth lens element with negative refractive power having an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof.

Abstract: The present invention provides a stereoscopic display device, comprising: a display panel and a lens grating, wherein further comprising: a waveform lens disposed between said display panel and said lens grating; the wave crest of said waveform lens corresponds to the black matrix area of said display panel, the wave trough of said waveform lens corresponds to the pixel area of said display panel. In the solution of the present invention, by employing the waveform lens disposed in front of the display panel, the crosstalk between images can be decreased and the stereoscopic image display effect can be improved while the luminance of the display panel does not become darken.

Abstract: An optical system and methods are disclosed. In an aspect, an optical system can comprise a display device configured to emit an image information and an image guide optically coupled to the display device, wherein the image guide is configured to receive the image information and transmit the image information along a longitudinal axis of the image guide, and wherein the image guide has a thickness along a lateral axis between about 0.3 mm and about 1 mm. The optical system can further comprise a beam combiner disposed in the image guide, the beam combiner configured to transmit at least a portion of the received image information to exit the image guide.

Abstract: In a mirror drive device, a first and second actuator sections are arranged on both sides of a mirror supporting section that supports a mirror section so as to sandwich the mirror supporting section. Division of an upper and lower electrodes of each of the first and second actuator sections is performed correspondingly to stress distribution of principal stresses in a piezoelectric body in resonant mode vibration, and a piezoelectric body portion corresponding to positions of a first and third upper electrode sections, and a piezoelectric body portion corresponding to positions of a second and fourth upper electrode sections have stresses in opposite directions to each other. Division of the lower electrodes is performed similar to the upper electrodes, and drive voltages having the same phase can be respectively applied to the upper and lower electrode sections of the piezoelectric body portions that are different due to a division arrangement.

Abstract: Provided is an optical system, which retains enhanced optical performance at any object distance, and has compact and light-weight focus lens units. Provided is an optical system including a plurality of lens units, in which an interval between adjacent lens units changes during focusing, the optical system including: a positive lens unit arranged closest to an object side; first and second focus lens units having negative refractive powers configured to move during focusing; and an intermediate lens unit having a positive refractive power and arranged between the first and second focus lens units. The first and second focus lens units are configured to move toward an image side during focusing.

Abstract: An ophthalmic surgical microscope includes a beam coupler positioned along an optical path of the surgical microscope between a first eyepiece and magnifying/focusing optics, the beam coupler operable to direct the OCT imaging beam along a first portion of the optical path of the surgical microscope between the beam coupler and a patient's eye (an OCT image being generated based on a reflected portion of the OCT imaging beam). The surgical microscope additionally includes a real-time data projection unit operable to project the OCT image generated by the OCT system and a beam splitter positioned along the optical path of the surgical microscope between a second eyepiece and the magnifying/focusing optics. The beam splitter is operable to direct the projected OCT image along a second portion of the optical path of the surgical microscope between the beam splitter and the second eyepiece such that the projected OCT image is viewable through the second eyepiece.

Abstract: A broadband partial reflector includes a multilayer polymeric optical film having a total number of optical repeating units that monotonically increases in thickness value from a first side to a second side of the multilayer polymeric optical film. A baseline optical repeating unit thickness profile is defined by a first plurality of optical repeating units and having a first average slope, and a first apodized thickness profile of the multilayer polymeric optical film is defined by a second plurality of optical repeating units having a second average slope being at least 5 times greater than the first average slope. The second plurality of optical repeating units define the first side of the multilayer polymeric optical film and join the first plurality of optical repeating units. The second plurality of optical repeating units are in a range from 3-15% of the total number of optical repeating units.

Abstract: An eyepiece optical system includes a focal-plane plate, having a positive refractive power on one side and a diffusion surface on the other side thereof; a reflector which reflects light rays of an object image, formed on the diffusion surface, a predetermined number of times; an optical lens group, by which the object image is observed, in that order along an optical path from the object side to the viewing side; and a condenser lens element, having a positive refractive power, provided between the focal-plane plate and the reflector, the condenser lens element having an aspherical surface formed on at least one side thereof. At least one of the aspherical surface of the condenser lens element has a profile, when viewed macroscopically, such that the positive refractive power thereof increasingly weakens with respect to a direction away from the optical axis.

Abstract: Three-dimensional display systems may include polarized displays that polarize light emitted from a first set of areas of the display with a first polarization for a first eye of the viewer and that polarizes light emitted from a second set of areas of the display with a second polarization for a second eye of the viewer. This may result in dark areas being perceived by a viewer when viewed through polarized 3D glasses. Systems and technologies according to this disclosure may include 3D glasses that have a lenses configured to redirect a portion of incoming light in a first axis to at least partially illuminate the dark areas.

Abstract: A method and a device for producing multi-view images optical films used therein are disclosed. The method and device use an optical film 2, comprising a superlens array 3 with between 0.5 to 225 superlenses per inch, formed by two arrays of positive microlenses which are fixed relative to one another. In order to produce a multi-view image 1 between a viewer 11 and the optical film 2, an array 10 of elemental images is arranged between the focal plane 9 of the superlenses 3 and the optical film 2.

Abstract: An eyepiece lens (EL) used for a viewfinder optical system (VF) for viewing, using the eyepiece lens (EL), an image formed by an objective lens (OL), an image displayed by a display member, or an object, wherein an antireflection coating (101) is disposed on at least one surface among the optical surfaces constituting the eyepiece lens (EL), and the antireflection coating (101) includes at least one layer (101g) formed by a wet process.

Abstract: An F? lens and a laser processing device for far-infrared laser processing are provided. The F? lens for far-infrared laser processing comprises a first lens (L1), a second lens (L2) and a third lens (L3) which are coaxially arranged successively along a transmission direction of incident light beams, wherein the first lens is a negative meniscus lens, and the second lens and the third lens are positive meniscus lenses; and all the middle parts of the first lens, the second lens and the third lens protrude towards the transmission direction of incident light beams. The F? lens can improve the imaging quality and the resolution distance, effectively calibrate the astigmatism and distortion of the lens, reduce the influence of high-order aberrations, and has a high degree of energy concentration of laser focus points and high processing accuracy, thereby meeting the requirements for cutting or drilling. The F? lens is miniaturized, so that the volume of the lens is effectively controlled, and costs are reduced.

Abstract: An overhead support includes a transparent structure to support a visual medium for display to a supine viewer. The support is suspended from a ceiling over a location where the viewer wishes to recline. The support includes a positioning mechanism for easily adjusting the height of the visual medium above the viewer. In an embodiment, the positioning mechanism has a lock for fixing the height. In another embodiment, the support includes a light source. In another embodiment, the support includes an optical prescription.

Abstract: Lenses incorporate freeform power profiles that at least one of slow, retard or preventing myopia progression. An ophthalmic lens includes a first zone at a center of the lens; a first peripheral region continuously extending from the center, the first peripheral region having a different dioptric power than at the center; and a second peripheral region continuously extending from the first peripheral region and having a different dioptric power than the first peripheral region, thereby providing a continuous freeform power profile having substantially equivalent visual performance to a single vision lens, and having a depth of focus and reduced retinal image quality sensitivity that slows, retards, or prevents myopia progression.

Abstract: A zoom lens, including, in order from object side: a positive first unit which is fixed during zooming; a negative second unit which moves for zooming; a positive third unit which moves for zooming; a positive fourth unit which moves for zooming; and a positive fifth unit which is fixed during zooming, in which 1.50<LN(Z2)/LN(Z34)<2.30 and 0.70<f34w/f34t<0.96 are satisfied, where LN(Z2) is natural logarithm of Z2 obtained by dividing a lateral magnification ?2t of the second unit at telephoto end by a lateral magnification ?2w at wide angle end, LN(Z34) is natural logarithm of Z34 obtained by dividing a combined lateral magnification ?34t of the third unit and the fourth unit at telephoto end by a combined lateral magnification ?34w at wide angle end, and f34w and f34t are combined focal lengths of the third unit and the fourth unit at wide angle end and telephoto end, respectively.