Abstract: A light-emitting diode (LED) display module including a back panel substantially formed of a material having a thermal expansion that is less than plastic used in injection molding, a housing that frames the back panel comprised of one or more plastic molded parts, and a front face having a louver is disclosed.

Abstract: An electronic device may include electrical components and other components mounted within an interior of a housing. The device may have a display on a front face of the device and may have a glass layer that forms part of the housing on a rear face of the device. The glass layer may be provided with regions having different appearances. The regions may be textured, may have coatings such as thin-film interference filter coatings formed from stacks of dielectric material having alternating indices of refraction, may have metal coating layers, and/or may have ink coating layers. Textured surfaces may be formed on thin glass layers and polymer films that are coupled to the glass layer. A glass layer may be formed from a pair of coupled glass layers. The coupled layers may have one or more recesses or other structures to visually distinguish different regions of the glass layer.

Abstract: The portable multi-color fluorescence detection device includes a plurality of wells, an illumination module and a detection module. The plurality of wells configured for accommodating fluorescent mixture. The illumination module comprises at least two light sources and a color combination prism, the color combination prism being configured for combing different frequency light emitting form the at least two light sources into combination beams in parallel toward the plurality of wells for exciting the fluorescent mixture to generate fluorescent light. The detection module comprises a plurality of fiber bundles and an imaging unit, each of the fiber bundles be coupled with the corresponding well, wherein the fluorescent light is transmitted to the imaging unit through the plurality of fiber bundles and converted into an electrical signal by the imaging unit.

Abstract: A secure item including a revealing screen and a combined image, or an assembly comprising a secure item and another object. The secure item including one of the revealing screen and the combined image, and the object including or forming the other one of the revealing screen and the combined image. The combined image being made up of a plurality of interlaced images each interlaced image and/or the revealing screen being made up of a plurality of elements. The revealing screen making it possible, when placed on top of the combined image, to observe various revealed images by moving the revealing screen relative to the combined image and/or by changing the observation angle, the revealed images each including a certain proportion of each interlaced image, and the elements being made up of one or more micro-patterns.

Abstract: An optical device may include a pinhole array layer having pinhole array apertures therein. The pinhole array layer may have a first side to be directed toward incoming electromagnetic (E/M) radiation, and a second side opposite the first side. The optical device may also include image sensors. Each image sensor may include image sensing pixels adjacent the second side of the pinhole array layer. The optical device may also include mirrors. Each mirror may be associated with a respective image sensor and respective pinhole array aperture defining a camera. Each mirror may reflect incoming E/M radiation passing through the respective pinhole array aperture to the respective image sensor. A respective baffle may be between adjacent cameras.

Abstract: An exposure device according to an embodiment may include: a holding member provided with a reference surface; an optical system being in contact with the reference surface and slidable in a first direction parallel to the reference surface; and a board including a light emitting element and being fixed to the holding member such that the optical system is sandwiched between the reference surface and the board.

Abstract: A marker (10) includes a lenticular lens (11) formed from a translucent material to have a plurality of convex portions (13) positioned to line up in, for example, at least one direction. The optical axes (OA1) of the convex portions (13) all intersect with an optical reference point (OP) on the product optical axis (PA). The optical axes (OA1) of the convex portions (13) are all orthogonal with and pass through the center of the bottom surfaces of grooves (14). Colored portions (15) are accommodated in the grooves (14).

Abstract: A multi-display system (e.g., a display including multiple display panels) includes at least first and second displays (e.g., display panels or display layers) arranged substantially parallel to each other in order to display three-dimensional (3D) features to a viewer(s). An optical element(s) such as at least a refractive beam mapper (RBM) is utilized in order to reduce moiré interference.

Abstract: A method for manufacturing a stepped spacer wafer for a wafer-level camera includes a step of measuring a plurality of focal lengths f1,2, . . . , N of a respective one of a plurality of lenses L1,2, . . . , N of a lens wafer. The method also includes a step of fabricating a stepped spacer wafer including (i) a plurality of apertures A1,2, . . . , N therethrough, and (ii) a plurality of thicknesses T1,2, . . . , N defining a respective thickness of the stepped spacer wafer at least partially surrounding a respective one of the plurality of apertures A1,2, . . . , N. Each of the plurality of thicknesses T1,2, . . . , N is equal to a difference between (a) a respective one of the plurality of focal lengths f1,2, . . . , N, and (b) a uniform thickness that is the same for each of the plurality of thicknesses.

Abstract: Disclosed is an LCD device with a sub screen capable of minimizing power consumption for a driving mode of the sub screen, and an electronic device comprising the same, wherein the LCD device includes a liquid crystal display panel, and a backlight unit including a light guiding plate for guiding light from a light source toward the liquid crystal display panel, wherein the light guiding plate includes a base member having a first light-emission portion, and a second light-emission portion adjacent to the first light-emission portion, a first optical pattern part prepared in some area of the first light-emission portion adjacent to the second light-emission portion, and a second optical pattern part prepared in the second light-emission portion.

Abstract: A reflective liquid crystal panel including a first substrate and a second substrate disposed opposite to each other and a liquid crystal layer. A reflection layer is provided on the first substrate, and a polarizing plate is provided the second substrate. A unidirectional wavelength converting layer and a quantum dot thin film layer are sequentially laminated between the second substrate and the liquid crystal layer. The unidirectional wavelength conversion layer made of an up conversion material is used to convert the incident ambient light into a blue light or an ultraviolet light. The quantum dot thin film layer includes a plurality of light emitting areas which are arranged in array and can be excited to emit light with different colors. A display device including the reflective liquid crystal panel as mentioned above is also disclosed.

Abstract: The present invention relates to a security element (16) for security papers, value documents and the like, having a microoptical moiré-type magnification arrangement for depicting a moiré image (84) having one or more moiré image elements (86), having a motif image that includes a periodic or at least locally periodic arrangement of a plurality of lattice cells (24) having micromotif image portions (28, 28?, 28?), for the moiré-magnified viewing of the motif image, a focusing element grid (22) that is arranged spaced apart from the motif image and that includes a periodic or at least locally periodic arrangement of a plurality of lattice cells having one microfocusing element (22) each, wherein, taken together, the micromotif image portions (28, 28?, 28?) of multiple spaced-apart lattice cells (24) of the motif image each form one micromotif element (50) that corresponds to one of the moiré image elements (86) of the magnified moiré image (84) and whose dimension is larger than one lattice cell (24) of t

Abstract: Methods for forming high aspect-ratio conductive regions of a metallization network with reduced grain boundaries are described. Aspects of the invention include forming a trench in a dielectric material on the substrate. A conductive material is formed in the trench, wherein the conductive material includes a first grain boundary level. Portions of the dielectric material are removed to expose sidewalls of the conductive material. The conductive material is annealed to reduce the first grain boundary level.

Abstract: Illumination optical unit for illuminating an object field in a projection exposure apparatus, comprising a first facet mirror with a structure, which has a spatial frequency of at least 0.2 mm?1 in at least one direction, and a second facet mirror, comprising a multiplicity of facets, wherein the facets are respectively provided with a mechanism for damping spatial frequencies of the structure of the first facet mirror.

Abstract: An optical space transmission system includes a first optical collimator configured to transmit collimated light and change a directivity of transmitted collimated light, a second optical collimator configured to receive collimated light and change a directivity of received collimated light, and a reflector that is fixed and arranged on an optical path through which the first optical collimator and the second optical collimator are optically connected to each other.

Abstract: In some designs, an eye-mounted display includes multiple femtoprojectors contained inside a contact lens. Femtoprojectors that project to peripheral regions of the retina can have lower resolution. In some designs, these peripheral femtoprojector optical system includes an optically transparent core with two ends. The image source is located at one end, and a lens element is located at the other end. The end with the image source is the same size or larger than the end with the lens element. The core may be a cylinder or a frustum, for example. The sidewall structure extending between the two ends is designed to reduce stray rays from the image source. For example, the sidewall structure may absorb stray rays or may redirect rays so that they do not exit the core or so that they do not enter the pupil of the eye.

Abstract: Lit image projection lamp and method. In an exemplary embodiment of a projection device of the present disclosure, the projection device comprises a light source; a first lens positioned at a first distance from the light source; and a second lens at a second distance from the first lens; wherein the first lens and the second lens are lenticular lenses, each having an optical axis; and wherein the projection device is configured to generate a three-dimensional image from light emitted from the light source that passes through the first lens and the second lens.

Abstract: An image sensor includes: a plurality of microlenses arranged in a two-dimensional pattern; and a plurality of pixels that are provided in correspondence to each of the microlenses and receive lights of different color components, respectively. Pixels that are provided at adjacent microlenses among the microlenses and that receive lights of same color components, are adjacently arranged.

Abstract: An illuminator optical system combines, homogenizes, and shapes light spatially and angularly from one or more high power fiber coupled lasers. It may include a multichannel fiber cable, collimation and beam shaping optics, a multiple lens array (e.g., fly's eye lens array), and an objective lens. The multichannel fiber collects the light from the high power fiber coupled lasers and produces an aligned array of one or more optical fibers at the output of the cable. The light output from the cable is collimated and relayed to a multiple lens array that spatially divides and shapes the light into an array of beams. The objective lens homogenizes the light by collimating and overlapping the beams into a uniform top hat irradiance distribution in at least one dimension, resulting in the illumination pattern having the required spatial size and desired angular distribution at the illumination plane.

Abstract: The present invention provides a diffuser plate in a simple structure capable of achieving optical properties with less luminance irregularity and color irregularity and good quality of appearance. A diffuser plate is a diffuser plate where a plurality of microlenses are placed on a principal surface, shapes of the plurality of microlenses along a cross-section perpendicular to the principal surface are different from one another and do not have an axis of symmetry. A method for designing the diffuser plate includes steps of determining a specific reference microlens; placing the reference microlens on the principal surface; forming a specific phase modulation shape; and determining a shape of the plurality of microlenses by combining the specific reference microlens and the specific phase modulation shape.

Abstract: Substrates with lenses having lenses disposed therein are aligned with high accuracy. A stacked lens structure has a configuration in which substrates with lenses having a lens disposed on an inner side of a through-hole formed in the substrate are direct-bonded and stacked. In particular, one or more air grooves formed in surfaces of the substrates reduces an influence of air inside a void portion between adjacent lenses of a layered lens structure.

Abstract: The invention relates to an optical system for measuring the absorption of light in a medium, comprising at least one light source for sending light and at least one optical detector, which receives the light and converts it into an electrical signal. The system is characterized in that the system comprises at least one light guide, wherein, in the region of the light source, light is coupled as reference light into the light guide, wherein the light guide is guided, at least in sections, past the medium, and wherein the light guide guides the reference light onto the detector.

Abstract: An image display device including a laser light source; an optical element; and a transmitting-reflecting member, the image display device which displays an image by forming the image by light which is emitted from the laser light source and making image light after forming the image to be incident on the transmitting-reflecting member, wherein the laser light source is arranged such that there are more S polarization components of the image light which is incident on the transmitting-reflecting member with respect to the transmitting-reflecting member than P polarization components, and a mobile object including the image display device.

Abstract: An optical assembly, and in particular an optical assembly which uses a microlens array or a micromirror array to reduce speckle. It further concerns an optical component which comprises a micromirror array.

Abstract: Aspects of the disclosed apparatuses, methods, and systems provide enhanced display of images for personal wearable display devices. The display systems include various system components to implement one or more of: re-directing the maximal brightness of a display device towards the center of the eye-box of a user; selectively narrowing the viewing angle of light emitted by the display device; and by spatially optimizing the backlight of the display device based on the specification of the wearable optical system thereby optimizing and/or maximizing the amount of light entering the eye for a range of gaze rotation of a user of the wearable display system. In one example, the following description provides a display device including a light optimizing or directing layer. The light optimizing layer includes one or more films that optimize the amount of light directed to the eye box of a user of the wearable display system.

Abstract: Provided is a signal detection method of a staggered two-dimensional bit-patterned media and a recording medium and an apparatus for performing the method.

Abstract: After selecting two or more image series for comparison, images of the image series are interleaved so that they are alternatively displayed in a comparison pane on a display device. In one embodiment, after one or more image series are selected for comparison, an interleaved image series is created containing each of the images of the one or more selected image series, or, alternatively, the interleaved image series comprises links to the images arranged in the interleaved pattern. If differences exist in the images of the multiple image series, these differences may be more easily detectable as the display device cycles between the images. Comparison of images in an interleaved image series may be more advantageous if the images of each selected image series are of a common anatomical area, common image size, and the images are in the same order.

Abstract: A light converting optical system employing a planar light trapping optical structure illuminated by a monochromatic light source. The light trapping optical structure includes a photoresponsive layer including semiconductor quantum dots. The photoresponsive layer is configured at a relatively low thickness and located between opposing broad-area surfaces that confine and redistribute light within the structure and cause multiple transverse propagation of unabsorbed light through the photoresponsive layer to enhance absorption. The light trapping optical structure further incorporates various microstructured surfaces including light-distributing surface relief features such as linear microlenses, prismatic surface relief features and/or linear grooves.

Abstract: A laminated type optical member used in a display device for displaying an image based on pixels arrange in a matrix includes a first optical member, a second optical member, and spacers. The second optical member is disposed on a light entering side relative to the first optical member with a gap between the first optical member and the second optical member to overlap the first optical member. The spacers are disposed between the first optical member and the second optical member to hold the gap between the first optical member and the second optical member to form an air layer. The spacers are formed in linear shapes along a plate surface of the second optical member with axes tilted relative to an arrangement direction of the pixels.

Abstract: An optical device that produces flicker-like optical effects is provided. The inventive device employs directionally cured image icons. Specifically, the optical device is made up of at least one arrangement of image icons formed from one or more cured pigmented materials, and at least one arrangement of optionally embedded focusing elements positioned to form one or more synthetic images of at least a portion of the arrangement(s) of image icons. Some or all of the pigmented material(s) is cured using collimated light directed through the focusing elements toward the arrangement(s) of image icons at one or more angles relative to a surface of the optical device to form directionally cured image icons. The synthetic image(s) of the directionally cured image icons is viewable at the cure angle(s) and therefore visually appears and disappears, or turns on and off, as the viewing angle of the device moves through the cure angle(s).

Abstract: An image display device includes a light source, a screen, a scanning unit, an optical system, a drive unit, a support base, and a fixed base. The screen is irradiated with light from the light source, and an image is thus formed on the screen. The scanning unit scans the light from the light source along multiple scanning lines on the screen. The optical system forms a virtual image using the light from the screen. The drive unit moves the screen in an optical axis direction. The support base supports the drive unit. The fixed base supports the support base via a damper. The support base is supported by the fixed base such that the support base has support rigidity higher in a first direction in which a visual distance of a display image is changed in association with the movement of the screen than in directions other than the first direction.

Abstract: An optical system may include a lens assembly that has two or more single-sided wafer level optics (WLO) lenses arranged to propagate light. The optical system can further include an image sensor, wherein the lens assembly is arranged relative to the image sensor to propagate light received at a first surface of the lens assembly, through the two or more single-sided WLO lenses and to the image sensor. In some embodiments, the optical system further includes a camera which includes the lens assembly and the image sensor. In various embodiments, a smart phone, a tablet computer, or another mobile computing device may include such a camera. In some embodiments, the at least two single-sided wafer level optics (WLO) lenses are each separated by a gap G, wherein the gap may be different between each of the single-sided lenses, and the gap G may be zero.

Abstract: Methods and devices for a lenticular image product include a print media, a printed faceted surface disposed on the print media, an interlaced image printed on the printed faceted surface, and a printed lenticular lens printed on the printed interlaced image and the printed faceted surface. The lenticular lens can be disposed over the print media selectively.

Abstract: Optical device for adjusting the spatial distribution of a laser beam. The device (1) comprises an assembly (2) of two matrices (3, 4) of lenses (5a), said matrices (3, 4) being identical and arranged parallel to one another with a uniform spacing between them, said assembly (2) being traversable by a laser beam (6), and controllable activating means (10) capable of modifying the spacing between the two matrices (3, 4) to create a zoom effect.

Abstract: A first electrode having light transmissivity is formed on a first surface of a first light transmissive substrate and. An organic functional layer includes a light-emitting layer and is located on an opposite side to the first light transmissive substrate with the first electrode interposed therebetween. A second electrode is located on an opposite side to the first electrode with the organic functional layer interposed therebetween. A second surface which is a surface of the first light transmissive substrate on an opposite side to the above-mentioned first surface is fixed to the second light transmissive substrate, which has a bending rigidity higher than that of the first light transmissive substrate. First irregularities are present in the second surface of the first light transmissive substrate, and second irregularities are positioned in a surface of the second light transmissive substrate which faces the first light transmissive substrate.

Abstract: A light field image capturing apparatus including a shifted microlens array, the light field image capturing apparatus including: an objective lens focusing light incident from an external object; an image sensor including a plurality of pixels, the image sensor outputting an image signal by detecting incident light; and a microlens array disposed between the objective lens and the image sensor and including a plurality of microlenses arranged in a two-dimensional manner, the plurality of microlenses corresponding to the plurality of pixels, wherein at least a part of the plurality of microlenses is shifted in a direction with respect to the pixels corresponding to the at least a part of the plurality of microlenses.

Abstract: A lens array includes a plurality of lenses arranged in at least two rows parallel with each other. The plurality of lenses are arranged in a first direction in each row. Each of the plurality of lenses allows light to pass in a second direction. An arrangement center is defined at a center position between the two rows in a third direction perpendicular to both of the first direction and the second direction. Each of the plurality of lenses includes an incident surface and an emission surface. A surface apex of the emission surface is displaced with respect to a surface apex of the incident surface in a direction away from the arrangement center in the third direction.

Abstract: Provided is a lenticular printed material including: a lenticular lens in which a plurality of convex lenses respectively having a semicylindrical surface are arranged in parallel; and a lenticular image which is disposed on a side opposite to the semicylindrical surface of each convex lens and includes character information to be displayed in a plurality of languages independently from each other, in which the languages for displaying the character information are switched between one another according to an observation angle in a case where the lenticular image is observed through the lenticular lens.

Abstract: An image display device includes: an input unit that inputs image data constituted with pixel data, each set of the pixel data being generated based upon a plurality of image signals output from a plurality of image-capturing pixels arrayed in correspondence to a plurality of photographic micro-lenses distinct from one another; a generation unit that generates display image data containing three-dimensional information based upon the image data; a display unit constituted with a plurality of display pixels disposed in a two-dimensional pattern, which emits light fluxes from the plurality of display pixels in correspondence to the display image data; and a micro-lens array that includes a plurality of micro-lenses, via which a three-dimensional image is formed by combining the light fluxes emitted from the plurality of display pixels, disposed in a two-dimensional array pattern.

Abstract: Embodiments of the present invention relates to a thin film transistor and a method for manufacturing the same, a display substrate and a display device. The thin film transistor comprises an active layer, a source electrode, a drain electrode and an ohmic contact layer, wherein the ohmic contact layer is disposed between the active layer and the source electrode and/or between the active layer and the drain electrode to improve an ohmic contact property of the active layer with the source electrode and/or the drain electrode. The present invention solves the problem of poor ohmic contact effect between the active layer and the source and drain electrodes in the existing thin film transistor, thereby improving the ohmic contact property of the active layer with the source and drain electrodes and meanwhile improving display effect of images of a display.

Abstract: A stereoscopic sheet having a variable perspective viewing angle and a thin-layered stereoscopic sheet having a three-dimensional decorative effect. The portions of the sheet, viewed three-dimensionally, create dynamic changes according to the perspective distance. The stereoscopic sheet includes convex lenses arrayed on the top surface of the stereoscopic sheet to intersect at regular intervals. A printed layer is formed at the focal distance of the convex lenses. The focal distance of the convex lenses is formed to be approximately 3.5 times longer than the pitch. A repetition gap of a printed pattern formed on a portion of a printed area is determined as a pattern gap to allow the impression of depth or protrusion to be sensed at a short-sighted distance. The repetition gap of the printed pattern is less than a parallax gap at a minimum proximity distance within the short-sighted distance by approximately 80%-98%.

Abstract: A vehicle display device includes a projector which emits display light of an image indicating vehicle information, a controller that controls luminance of the display light, and a screen that displays the image when the display light is projected to the screen. The screen has a convex portion that protrudes to a near side in a direction in which the image is visually recognized, and a concave portion that is recessed to a far side. In addition, the controller controls the luminance of the display light so that the display light projected to the convex portion (first parts) has higher luminance than that of the display light projected to the concave portion (second parts).

Abstract: A chip scale package (CSP) structure for an image sensor comprises an image sensor chip, wherein the image sensor chip comprises a semiconductor substrate having a top surface to receive light, a plurality of color filters disposed over the top surface, and a plurality of micro lenses disposed on the plurality of color filters. A low refractive index material is disposed over the image sensor chip, wherein the low refractive index material covers the plurality of micro lenses, and wherein a refractive index of the low refractive index material is lower than a refractive index of the plurality of micro lenses. A cover glass is disposed directly on the low refractive index material, wherein no air gap is between the cover glass and the low refractive index material, and between the low refractive index material and the image sensor chip. Therefore, the cover glass is fully supported by the low refractive index material without any dams.

Abstract: Disclosed is a radiation source module and a radiation collector for the module with the radiation collector comprising a substrate coated with at least one reflective layer and a plurality of perforations within the reflective layer, with the plurality of holes forming vertices of a grid substantially covering the surface, and wherein the coating may comprise multiple layers.

Abstract: An optical sheet (1) includes a pinhole mask including a plurality of pinholes and a microlens array including a plurality of microlenses. Positions and sizes of the plurality of pinholes and the plurality of microlenses allow light emitted from the sub-pixels of all kinds to enter a specific pinhole and be diffracted by the specific pinhole, thereby allowing each thus-diffracted light outputted from the specific pinhole to enter a specific microlens.

Abstract: Disclosed is a lighting fixture comprising at least three light functions, said lighting fixture being a trifunctional projector. In particular, a vehicle headlight is disclosed, which has in addition to a dipped beam and a main beam a daytime running light and/or a position light as a further light function.

Abstract: Submerged combustion methods and systems including a melter equipped with an exhaust passage through the ceiling or the sidewall having an aggregate hydraulic diameter. Submerged combustion burners configured to create turbulent conditions in substantially all of the material being melted, and produce ejected portions of melted material. An exhaust structure including a liquid-cooled exhaust structure defining a liquid-cooled exhaust chamber having a cross-sectional area greater than that of the exhaust stack but less than the melter.

Abstract: A display apparatus providing a multi-view image is provided, which may include a panel unit to provide light through a plurality of pixels corresponding respectively to a plurality of viewpoints, and an optical unit to provide the light to a left eye position and a right eye position at a pre-designated viewing distance, respectively, wherein the optical unit may be configured for light from pixels for view images having discontinuous viewing indices, among the plurality of pixels, to be transferred to the left eye position and the right eye position.

Abstract: The present disclosure provides an optical membrane, a backlight module, a display device and a device for manufacturing the optical membrane. The optical membrane includes a strip-like strengthening member arranged on at least one edge of the optical membrane. The backlight module includes the optical membrane. The display device includes the backlight module. The device for manufacturing the optical membrane with a wave-shaped edge includes: a cutter, configured to cut an edge of the optical membrane; and linear members, arranged between two parallel blades of the cutter and configured to press the edge of the optical membrane into a wave shape. Alternatively, the device for manufacturing the optical membrane with a wave-shaped edge includes: a cutter, configured to cut an edge of the optical membrane; and a roller, configured to press the edge of the optical membrane into a wave shape.

Abstract: A 3-D label is disclosed including moving patterns using fine patterns and microlenses, including a lens layer in which a pattern display unit having microlenses that are convex in a semicircumferential form arranged at specific intervals and to represent patterns formed in a pattern layer regardless of a visual field focal length and a secret unit placed on one side of the pattern display unit and displaying intended patterns formed in the pattern layer when a predetermined visual field focal length is reached are integrated and formed; and the pattern layer disposed under the lens layer and having patterns formed thereon so that the distance between the central point of each of the microlenses and the central point of an adjacent microlens is matched with the distance between the central point of each of pattern cells and the central point of an adjacent pattern cell in the state.