Abstract: An optical isolation element comprising, sequentially: a light control film; a first optical path changing element; and a second optical path changing element. The optical isolation element has an excellent optical isolation ratio, and can be manufactured simply and at low cost. Such an optical isolation element can be applied, for example, to the fields of optical communication or laser optics, security and privacy protection, and members for brightness enhancement in displays or military products requiring hiding and covering, and the like.

Abstract: A light source module includes a light guide plate, a light source, a first inverse prism sheet and a second inverse prism sheet. The light guide plate has a light incident surface and opposite first light exit surface and second light exit surface. The first inverse prism sheet is disposed beside the first light exit surface, and has a first bearing surface and a plurality of first prisms. Each of the first prisms has a first surface. A first included angle is formed between the first surface and the first bearing surface. The second inverse prism sheet is disposed beside the second light exit surface, and has a second bearing surface and a plurality of second prisms. Each of the second prisms has a second surface. A second included angle is formed between the second surface and the second bearing surface. A dual display device is also provided.

Abstract: Embodiments herein describe a sub-micron 3D diffractive optics element and a method for forming the sub-micron 3D diffractive optics element. In a first embodiment, a method is provided for forming a sub-micron 3D diffractive optics element on a substrate without planarization. The method includes depositing a material stack to be patterned on a substrate, depositing and patterning a thick mask material on a portion of the material stack, etching the material stack down one level, trimming a side portion of the thick mask material, etching the material stack down one more level, repeating trim and etch steps above ‘n’ times, and stripping the thick mask material from the material stack.

Abstract: A backlight module and a display device are provided. The backlight module includes a light source structure and at least one optical film. The optical film is disposed above the light source structure. The optical film includes a main body and plural optical structures. The optical structures are disposed on the main body. Each of the optical structures is a tapered structure. Each of the optical structures has plural side surfaces, and a portion of light emitted from the light source structure is guided toward plural primary directions when passing through the side surfaces of the optical structures, and therefore the light emitted from the light source is no longer concentrated on the top of each of the optical structures.

Abstract: A handheld spectrometer can be configured with a visible aiming beam to allow the user to determine the measured region of the object. When the visible aiming beam comprises the spectrometer measurement beam, the spectrometer measurement beam comprises sufficient energy for the user to see the measurement beam illuminating the object. When the visible aiming beam comprises a separate beam, the visible aiming beam comprises sufficient energy for the user to see a portion of the aiming beam reflected from the object. The visible aiming beam and measurement beam can be arranged to at least partially overlap on the sample, such that the user has an indication of the area of the sample being measured.

Abstract: The present invention relates to the technical area of lens, particularly discloses a lens for focusing or collimating light emitted from an extended light source, which comprises a front surface facing towards the extended light source and a back surface facing away from the extended light source, wherein at least one of the surfaces comprises a central section and a plurality of annular sections concentrically surrounding the central section; and wherein each of the annular section corresponds to a small portion of the extended light source. A method of designing the above lens is also disclosed. Additionally, the present invention provides a cost-effective lens design with high precision and more particularly, a lens design which meets the transmittance requirement for extended light source.

Abstract: A display panel and a method for manufacturing the same, an electronic paper and a driving method thereof are provided. The display panel includes: a first base substrate, a second base substrate arranged oppositely to the first base substrate, and multiple temperature-induced transmittance reversible components which not contacted with each other and arranged in an array between the first base substrate and the second base substrate. Each of the temperature-induced transmittance reversible components includes: a temperature-induced transmittance reversible unit and a temperature control unit. The temperature control unit is used to adjust temperature of the temperature-induced transmittance reversible unit to control transmittance of the temperature-induced transmittance reversible unit with respect to the visible light.

Abstract: A laser ignition device capable of achieving stable ignition, preventing deterioration of a semiconductor laser element is provided, by suppressing the intensity of oscillated light leakage leaking towards semiconductor laser side from the laser resonator with a simple configuration. A laser ignition device 7 includes an excitation light source 1 emitting coherent excitation light LPMP, an optical element 2 transmitting excitation light LPMP, a laser resonator 3 oscillating oscillated light having high energy density by being irradiated with excitation light LPMP, and condensing means 6 condensing the oscillated light LPLS oscillated by the laser resonator 3. Moreover, the laser ignition device 7 is provided with a light-transmissive-reflective film 5 disposed between the excitation light source 1 and the laser resonator 3. The light-transmissive-reflective film 5 permeating the excitation light LPMP having short wavelength and reflecting oscillated light leakage LLEAK having long wavelength.

Abstract: A sign displays moving, still, or blank images. In one aspect the sign is mounted over a roadway for viewing by occupants of vehicular traffic and pedestrians. In another aspect the sign is mounted on a vehicle. An associated sensor senses the motion of traffic in the vicinity of the sign. When traffic moves at less than a predetermined speed, the sign displays moving or changing information. At greater speeds the display on the sign is either still or blank, so as to avoid distracting nearby drivers. An electronic system provides various aspects that augment sign operation such as GPS, reception of signage information for use in particular locations, advertiser billing information based on sign usage, and collection and reporting of demographics that aid advertisers in maximizing their impact.

Abstract: A backlight includes a light source and one or more light recycling films. The light source generates light that exits the light source with an angular exit distribution. The light recycling films are oriented in relation to the light source so that the prism peaks of the recycling films are oriented away from the light source. The recycling films have a range of optimal incident angles that allow light to pass through the recycling films without recycling. The components of the light source, the characteristics of the recycling films, or both, are configured to control the overlap between the exit distribution of the light source and the optimal incident angle range of the recycling films.

Abstract: A lens array substrate includes a substrate provided with a plurality of concave portions in a first face thereof. The lens layer includes a first lens layer, a second lens layer, and a third lens layer which are sequentially laminated from a substrate side by reflecting the shape of the concave portion therein. A refractive index of the first lens layer is larger than a refractive index of the second lens layer, and a refractive index of the third lens layer is smaller than the refractive index of the second lens layer and is larger than a refractive index of the substrate. The third lens layer, the second lens layer, and the first lens layer are sequentially exposed to the surface of the lens layer toward the end from the central portion of the concave portion.

Abstract: A window panel includes a plurality of unit patterns arranged along a first direction, each of the plurality of unit patterns having a base surface portion, a plurality of inclined portions, the plurality of inclined portions being inclined upwardly from the base surface portion, and a top portion disposed at a top of the inclined portions, wherein a lower edge of a first inclined portion of each unit pattern of the plurality of unit patterns adjoins a lower edge of a second inclined portion of a neighboring unit pattern.

Abstract: An optical element 1 comprises a base 2 having a surface 2a formed with a depression 3 and a formed layer 4 disposed on the base 2. The formed layer 4 has a main part 5 located within the depression 3 when seen in the depth direction of the depression 3 and an overhang 6 located on the surface 2a of the base 2 while being connected to the main part 5. A curved surface 4b opposing a bottom face 3b of the depression 3 in the main part 5 is provided with an optical function part 10.

Abstract: A brightness enhancement film includes a substrate; and a microlens structure formed on the substrate, wherein the microlens structure comprises a plurality of microlenses, each of the microlenses comprising a bottom surface contacting with the substrate, the bottom surface of each of the plurality of microlenses being of a polygonal shape such that at the substrate each of the plurality of microlenses is in close contact with adjacent microlenses surrounding it, without gaps leaving between them. The present invention also discloses a backlight module and a display apparatus comprising the above brightness enhancement film. The brightness enhancement film can improve optical gain property, reduce the thickness of the display apparatus and expand the view angle.

Abstract: An object is to provide an image display sheet provided for position detection of an object to be observed so as to realize a smooth pseudo moving image. The image display sheet is provided for an object 3000 to be observed for position detection and constituted by laminating a lenticular sheet composed of arrangement of a plurality of cylindrical lenses and an image forming layer, and an image formed on the image forming layer from a convex shape side of the cylindrical lenses of the lenticular sheet is formed to be observable as virtual image provided with movement, or movement and deformation.

Abstract: Provided is a stack-type lens array capable of preventing a lens from peeling off due to stress during dicing or vibration and impact when used. The stack-type lens array is formed by stacking and bonding two lens sheets in which micro lenses are arranged on a flat portion at predetermined intervals. Antireflection films are vapor-deposited on a convex surface and a concave surface of the lens and a light shielding film is vapor-deposited such that a circular opening is formed at the center of the concave surface. The opening serves as a diaphragm aperture of the lens. An exposed surface in which neither the antireflection film nor the light shielding film is vapor-deposited is provided outside the light shielding film between adjacent lenses. A dicing line is set at the center of the exposed surface. An adhesive layer is formed in a predetermined pattern on the exposed surface.

Abstract: A lens array includes arranged lenses. Each of at least two adjacent lenses in the lens array includes a first region located at and around an optical axis of the lens and having a first curvature, and a second region located farther away from the optical axis than the first region and having a second curvature. The second curvature is larger than the first curvature.

Abstract: Provided is a lens array including plural lenses, wherein each lens has a curvature in a first direction and a curvature in a second direction which is different from the first direction, the curvatures being different from each other.

Abstract: An optical product that includes a transparent lens sheet, which has a first side with a plurality of side-by-side sets of linearly arranged lenses. Each of the sets of lenses is at a slant angle in the range of 10 to 46 degrees from a vertical or a horizontal axis of the lens sheet. The product includes an image layer that includes pixels from a number of digital images. The pixels are arranged in a pattern of pixel locations providing non-orthogonal interlacing of the digital images relative to each of the sets of the linearly arranged lenses. The pattern of pixel locations aligns a number of the pixels from each of the digital images to be parallel to a line extending through a center of the linearly arranged lenses in each set. Each of the linearly arranged lenses may have a round base, a hexagonal base, or a square base.

Abstract: A brightness enhancement film includes a substrate; and a microlens structure formed on the substrate, wherein the microlens structure comprises a plurality of microlenses, each of the microlenses comprising a bottom surface contacting with the substrate, the bottom surface of each of the plurality of microlenses being of a polygonal shape such that at the substrate each of the plurality of microlenses is in close contact with adjacent microlenses surrounding it, without gaps leaving between them. The present invention also discloses a backlight module and a display apparatus comprising the above brightness enhancement film. The brightness enhancement film can improve optical gain property, reduce the thickness of the display apparatus and expand the view angle.

Abstract: The present invention provides an optical surface which is able to mix different wavelengths into a light pattern which contains all wavelengths evenly distributed across the pattern. The novel optical surface extends in at least two Cartesian base dimensions (X, Y), whereby a cross-section of the surface taken in either of said two Cartesian base dimensions (X, Y) features a first plurality of protuberances which extend to the same direction in a third Cartesian dimension (Z). The cross-section of the optical surface also features a second plurality of protuberances which extend to the opposite direction as the first plurality of protuberances in the third Cartesian dimension (Z). The pluralities of protuberances form converging and diverging optical shapes for mixing different wavelengths scattering from the optical surface.

Abstract: A method interlacing of images into an interlaced print file for controlling an output device. The interlacing method involves arranging a set of pixels in a line that is traverse but non-orthogonal to the longitudinal axis of a slant lens or lenticule. Each of these pixels is associated with a different frame/image, e.g., six or more frames are used in each interlaced image, with one being visible through the lens or lenticule at a time by a viewer. The slant lens interlacing method does not involve slicing each frame and the splicing these slices together. Instead, individual pixels from each frame are combined within a digital print file in a unique pattern to provide the non-orthogonal interlacing described herein (e.g., the new interlacing may be considered “matrix interlacing” or “angular-offset interlacing”), and a significantly larger amount of information is presented under each slant lens.

Abstract: An optical raster element for an illumination system of a microlithographic projection exposure apparatus includes an array of refractive optical elements extending on a planar or curved surface. At least two of the optical elements are arranged side by side along a reference direction with a pitch of less than 2 mm. They have a height perpendicular to the surface of less than 50 ?m and a surface profile along the reference direction which includes a central section, two transition sections adjacent the central section and two end sections adjacent the transition sections. The curvatures in the two transition sections are greater than the curvatures in the central section and the end sections. The optical raster element is intended for being used as a first channel plate in an optical integrator (honeycomb condenser) and can reduce the maximum light intensities occurring in or behind the second channel plate.

Abstract: An object is to provide an image display sheet provided for position detection of an object to be observed so as to realize a smooth pseudo moving image. The image display sheet is provided for an object 3000 to be observed for position detection and constituted by laminating a lenticular sheet composed of arrangement of a plurality of cylindrical lenses and an image forming layer, and an image formed on the image forming layer from a convex shape side of the cylindrical lenses of the lenticular sheet is formed to be observable as virtual image provided with movement, or movement and deformation.

Abstract: A lighting assembly utilizing a reflective body for use with a light source to uniformly disperse the light from the light source. The reflective body includes a lower array of first reflectors arranged about a central axis. Each of the first reflectors form an obtuse angle with the next adjacent first reflector. The reflective body also includes an upper array of second reflectors arranged about the central axis. Each of said second reflectors include a left face and a right face. The upper array defines obtuse angles between next adjacent second reflectors. Additionally, reflex angles are defined between the left and right faces of the second reflectors. The combination of angles evenly disperse the light supplied from the light source to provide a pleasant glow for illuminating an area below the lighting assembly without causing hot spots.

Abstract: A condensing lens, compound-eye lens condenser, and compound-eye concentrating-type solar cell assembly. The condensing lens is a convex lens that can reflect mutually parallel incident lights (3) onto a receiving surface (4) on the outer side of the lens and thus form spots. If the vertical distance from the contact point of any incident lights (3) contacting the lens to a light axis (103) of the lens is x, the vertical distance between a projection point formed from the incident light (3) reflecting onto the receiving surface (4) and the center of the spot is m, the radius of the lens is a, and the radius of the spot is b, then the lens meets the following condition: x/m=a/b. The condensing lens has a high transmission rate, and the energy distribution of the spots is more even after condensing, the transmission rate is 90% to 93%, and the energy distribution curve of the spots transmitted through the condensing lens is similar to saddle-shaped.

Abstract: A lenticular sheet, in one exemplary embodiment, includes a first surface having at least two portions, an opposing second surface, and a plurality of lenticular lenses formed in the first surface. Each portion of the first surface includes a number of lenticular lenses per centimeter that is different from the number of lenticular lenses per centimeter of an adjacent portion of the first surface.

Abstract: A flat panel display is provided. The flat panel display includes a display panel, a light source module and an optical film. The display panel has a light incident surface. The light source module including a light guide plate which has a light emergent surface is disposed parallel to the display panel. The light emergent surface is opposite to the light incident surface. A light emitted from the light source module is transmitted from the light emergent surface to the light incident surface. The optical film is disposed between the display panel and the light source module. The optical film has a first surface and a second surface which are opposite to each other. A plurality of platform-shaped optical structures are formed on the first surface while each of them has a flat top surface. A first transparent glue layer and a second transparent glue layer are respectively formed on the light incident surface and the light emergent surface.

Abstract: Exemplary embodiments provide materials and methods for lenticular printing devices, wherein both a lenticular lens sheet and an interlaced composite image can be formed using an imaging device to provide a precise registration translated from a color-to-color registration.

Abstract: A multiple viewing-point floating imaging device is comprised of a plurality of dihedral corner reflectors 1 arranged along an optical device plane S and rotated around an axis of rotation perpendicular to said plane, to point in a plurality of directions along said plane, whereby light rays from an object O near to said plane are reflected once each by the two mirrors of said dihedral corner reflectors while passing through said plane, forming a real image P in a plane-symmetric position, visible from multiple viewing points V1 and V2 by multiple observers simultaneously.

Abstract: An apparatus for manufacturing an optical element includes: a flexible stamper having a transfer portion transferring a predetermined shape and having changeable curvature; a stamper holding mechanism holding the stamper; an element holding mechanism holding an optical element having a convex or concave curved surface, the curved surface serving as a transferred surface to which the shape of the transfer portion of the stamper is transferred; a curvature changing mechanism changing the curvature of the stamper in accordance with curvature of the transferred surface of the optical element; and a moving mechanism moving at least one of the stamper held by the stamper holding mechanism and the optical element held by the element holding mechanism in a direction in which the transfer portion of the stamper moves away from or closer to the transferred surface of the optical element.

Abstract: A lens array, a linear light exposure device, and an optical apparatus including the linear light exposure device. The lens array includes: an image side lens array unit in which a plurality of lens cells are arranged in at least one line along an arrangement direction to have optical axes parallel with each other; and a light blocking unit provided on an incidence surface of the image side lens array unit, the light blocking unit having light transmission regions, through which light is transmitted toward each lens cell, and blocking regions in regions other than the light transmission regions, wherein each lens cell of the image side lens array unit has a square formed effective optical region.

Abstract: A display panel, a display device, and a terminal device, which can achieve a high image quality by decreasing deterioration of the image quality that may be caused due to combining a reflection plate including an uneven structure with an image distributing device, are provided. The display panel includes a lenticular lens for distributing light emitted from each of pixels towards different directions from each other along an arranging direction (a first direction) of a pixel for displaying an image for a first viewpoint and a pixel for displaying an image for a second viewpoint within a pixel unit, wherein a reflection plate including an uneven structure is formed in each of the pixels, and a layout pattern of the uneven structure on the reflection plate is different to the lenticular lens.

Abstract: A light enhancement film provided in the disclosure includes a substrate and an optical microstructure having a plurality of hexagonal cylindrical lenses inseparably arranged on a surface of the substrate in accordance with a honeycombed arrangement. Each of the hexagonal cylindrical lenses has different cross-sectional areas that are gradually narrowed from the surface of the substrate in a direction away from the substrate, and every two adjacent lenses have a gap therebetween. Furthermore, a display device having the light enhancement film is provided as well.

Abstract: A process for making a microlens array or a microlens array masterform comprises (a) providing a photoreactive composition, the photoreactive composition comprising (1) at least one reactive species that is capable of undergoing an acid- or radical-initiated chemical reaction, and (2) at least one multiphoton photoinitiator system; and (b) imagewise exposing at least a portion of the composition to light sufficient to cause simultaneous absorption of at least two photons, thereby inducing at least one acid- or radical-initiated chemical reaction where the composition is exposed to the light, the imagewise exposing being carried out in a pattern that is effective to define at least the surface of a plurality of microlenses, each of the microlenses having a principal axis and a focal length, and at least one of the microlenses being an aspherical microlens.

Abstract: The present invention is to provide a beam homogenizer, a laser irradiation apparatus, and a method for manufacturing a semiconductor device, which can suppress the loss of a laser beam and form a beam spot having homogeneous energy distribution constantly on an irradiation surface without being affected by beam parameters of a laser beam. A deflector is provided at an entrance of an optical waveguide or a light pipe used for homogenizing a laser beam emitted from a laser oscillator. A pair of reflection planes of the deflector is provided so as to have a tilt angle to an optical axis of the laser beam, whereby the entrance of the optical waveguide or the light pipe is expanded. Accordingly, the loss of the laser beam can be suppressed. Moreover, by providing an angle adjusting mechanism to the deflector, a beam spot having homogeneous energy distribution can be formed at an exit of the optical waveguide.

Abstract: A micro-lens substrate having a precise micro-lens array suitable for higher resolution, the micro-lens array substrate of high quality without having a distortion, and a method for manufacturing thereof are provided. In the micro-lens array substrate of the present invention, a micro-lens array formed of a plurality of consecutive concave lens-shaped micro-lenses is directly formed in a surface of a quartz substrate or glass substrate, and the micro-lens array is formed by a transfer method based on dry-etching. In the micro-lens array substrate of the present invention, a taper portion is formed toward the surface of the substrate in a peripheral portion of the micro-lens array in the quartz substrate or glass substrate.

Abstract: In a system and method, the emitted beams of multiple diode bar array assemblies are combined to achieve an increase in the resulting power density in the combined output beam, while addressing the need for heat distribution in each of the individual assemblies. The present invention enables the combination of output planes of illumination, to form a single, merged beam of area Ag having intensity IM˜M*Istack and brightness BM˜M*Bstack, where Istack and Bstack refer respectively to the intensity and brightness of the output plane of illumination of a single stacked array, and where IM and BM refer respectively to the intensity and brightness of the combined output plane of illumination of M stacked arrays. In this manner, the present invention is useful in applications where there is a need for high-intensity, high-brightness light energy.

Abstract: An optical fiber micro array lens is provided along with an associated fabrication method. The micro array lens is fabricated from a mesh of optical fibers. The mesh includes a first plurality of cylindrical optical fibers. Each fiber from the first plurality has a flat bottom surface and a hemicylindrical top surface. The top and bottom surfaces are aligned in parallel with a central fiber axis. The mesh also includes a second plurality of cylindrical optical fibers. Each fiber from the second plurality has a hemicylindrical bottom surface overlying and in contact with the top surfaces of the first plurality of optical fibers, and a flat top surface. The top and bottom surfaces are aligned in parallel with a central fiber axis. Each contact of the first and second plurality of optical fibers forms a lens assembly in a micro array of lenses.

Abstract: An imaging device (3) including a plurality of pixels (3a) having a photoelectric conversion function, and a microlens array (1) including a plurality of microlenses (1a) that form subject images on these plurality of pixels (3a) and are arranged in a matrix are disposed so as to face each other. The microlens array (1) includes grooves (20) in a lattice form between the microlenses (1a) that are adjacent to each other. The depth of the grooves (20) is larger than a half of the thickness of the microlens array (1). Accordingly, it is possible to achieve an imaging apparatus that is easy to manufacture, has a simplified configuration and can capture a clear image and in which an influence of stray light and cross talk are reduced sufficiently.

Abstract: An autostereoscopic display includes a displaying panel, having a pixel array, the pixel array having a plurality of pixel units, and each of the pixel units including multiple view zones in a specific pixel pattern. A plurality of lenticular segments, corresponding to each of the pixel units, forms a plurality of lenticular rows with a number of the lenticular segments for each of the lenticular rows. The lenticular segments in adjacent two of the lenticular rows have an offset and a side edge of each of the lenticular segments does not form a slant straight line.

Abstract: An optical member 15 includes a planar light transmissive sheet 22 and a number of convex microlenses 23 provided in random settings within a surface of the light transmissive sheet 22. By providing a number of the convex microlenses 23 within the surface of the light transmissive sheet 22, moire patterns are less likely to be created even when the optical member 15 is overlaid on a liquid crystal panel 11 having pixels PE that are regularly arranged.

Abstract: In a diode laser having a beam-forming device, a plurality of functions are combined in a collimating and focusing lens. In particular, the functions of an SAC lens and a focusing lens are combined in the collimating and focusing lens.

Abstract: A parabolic lenticular collimating film system includes at least one film which is at least partially transmissive and one or more parabolic structures on a surface of the film.

Abstract: The invention concerns a multilayer body (5) and a process for producing a multilayer body (5). The multilayer body (5) has a transparent first layer (51) in which a multiplicity of cylindrical lenses of a length of more than 2 mm and a width of less than 400 ?m are shaped, which are arranged in accordance with a microlens grid spanning a first co-ordinate system having a co-ordinate axis X1 which is determined by the focal point lines of the cylindrical lenses, and a co-ordinate axis Y2 perpendicular thereto. In a second layer (52) arranged beneath the first layer in a fixed position with respect to the first layer there are a multiplicity of microscopic structures in the form of microimages which are distorted along a longitudinal axis with respect to a transverse axis in accordance with a transformation function and which are arranged in accordance with a microimage grid spanning a second co-ordinate system having a co-ordinate axis X2 and a co-ordinate axis Y2 perpendicular thereto.

Abstract: Systems and methods for displaying images to viewers in motion are provided. According to some embodiments, an image display system generally comprises an image source and a lensboard. The image source can be configured to present one or more images outwardly from the image source. The lensboard can comprise at least one curved lens. The curved lens can have a generally curved cross section and a focal distance. The curved lens may also be a cylinder. The lensboard can be spaced apart from the image source at a distance less than the focal distance. A method to display images that appear animated to a viewer in motion relative to the can generally comprise providing an image source configured to direct one or more images outwardly from said image source, and providing a lensboard having a focal distance spaced apart from the image source at a distance less than the focal distance. Other aspects, features, and embodiments are also claimed and described.

Abstract: An optical adjusting apparatus having a composite pattern structure is described. The optical adjusting apparatus include a substrate layer, at least one first pattern module and at least one second pattern module. The substrate has a first optical surface and a second optical surface opposite to the first optical surface. The first pattern module positioned on the first optical surface, wherein the first pattern module has a first structure unit along a first arrangement direction. The second pattern module which is adjacent to the first pattern module and positioned on the first optical surface. The second pattern module has the second structure unit along a second arrangement direction. The first structure unit of the first pattern module is connected to the second structure unit of the second pattern module. Therefore, the convergent angle of a light module is adjusted and the brightness of the light module is increased along specific direction.

Abstract: An optical sheet includes a first plane, a second plane facing the first plane and a plurality of optical patterns. The optical patterns are formed on the second plane along a plurality of columns. An optical pattern includes a plurality of convex light-condensing portions. End portions of the light-condensing portions are connected to each other continuously and form crests and troughs. The optical patterns disposed in adjacent columns share a common side.

Abstract: An optical fiber micro array lens is provided along with an associated fabrication method. The micro array lens is fabricated from a mesh of optical fibers. The mesh includes a first plurality of cylindrical optical fibers. Each fiber from the first plurality has a flat bottom surface and a hemicylindrical top surface. The top and bottom surfaces are aligned in parallel with a central fiber axis. The mesh also includes a second plurality of cylindrical optical fibers. Each fiber from the second plurality has a hemicylindrical bottom surface overlying and in contact with the top surfaces of the first plurality of optical fibers, and a flat top surface. The top and bottom surfaces are aligned in parallel with a central fiber axis. Each contact of the first and second plurality of optical fibers forms a lens assembly in a micro array of lenses.

Abstract: To suppress malshaping in a lenticular lens sheet formed by using ultraviolet curing resin, which is caused due to an increase in the aspect ratio of cylindrical lenses and anisotropy of curing contraction. Notch sections are provided to the cylindrical lenses for sectioning the cylindrical lenses in a pseudo manner in the major axis direction (extending direction) of the cylindrical lenses so as to suppress the anisotropy of the curing contraction of the resin.