Abstract: This invention provides a methyl methacrylate resin light guide for use in a surface light source device. The methyl methacrylate resin light guide can reduce the occurrence of dark lines and can improve the screen image quality of a surface light source device. The light guide characterized by including a methyl methacrylate resin and fine particles. Herein, not less than 0.01 parts by mass and not more than 0.5 parts by mass of the fine particles are dispersed in 100 parts by mass of the methyl methacrylate resin. In addition, the absolute value of a difference in refractive index between the fine resin particles and the methyl methacrylate resin is not less than 0.001 and not more than 0.02, the fine resin particles have an average particle size of not less than 1 ?m and not more than 10 ?m.

Abstract: An electrical connector includes an entry slot, first and second transmitter electrical pins, and first and second receiver electrical pins. The first and second transmitter electrical pins and the first and second receiver electrical pins are provided on the entry slot. The entry slot accepts a multi form-factor pluggable transceiver which has first and second optical transmitter channels and first and second optical receiver channels. The first transmitter electrical pins are electrically connected to first transmitter electrical pads of the first optical transmitter channel. The second transmitter electrical pins are electrically connected to second transmitter electrical pads of the second optical transmitter channel. The first receiver electrical pins are electrically connected to first receiver electrical pads of the first optical receiver channel. The second receiver electrical pins are electrically connected to second receiver electrical pads of the second optical receiver channel.

Abstract: A liquid crystal display device includes an array substrate having reflective and transmissive regions in a pixel region, wherein the array substrate includes a reflective electrode corresponding to the reflective region and a pixel electrode on a first substrate. A color filter substrate defines the reflective region and the transmissive region in the pixel region. The color filter substrate includes a color filter with first and second portions that correspond to the respective transmissive and reflective regions on a second substrate. The thickness of the second portion is less than a thickness of the first portion. The combined thickness of the scatter and the thickness of the second portion is greater than the thickness of the first portion; and a liquid crystal layer between the array and color filter substrates.

Abstract: An optical communication device includes a substrate which has electro-optical effect; a first optical modulator which has a pair of waveguides formed in the substrate; a second optical modulator which has a pair of waveguides formed in the substrate; a waveguide coupler which is provided in an output of the first optical modulator, the waveguide coupler being able to couple and branch light propagating through the pair of waveguides of the first optical modulator; and a delay connecting section which gives differential delay to the output branched by the waveguide coupler and inputs the output to the pair of waveguide of the second optical modulator. As a result, the optical communication device and optical device in which insertion loss is reduced compared with the conventional optical modulator can be provided.

Abstract: Provided are a photonic-crystal plate that forms an optical waveguide and an optical device assembly using the same, and more particularly, a vertical-type photonic-crystal plate and an optical device assembly configured to be easily integrated with surface-emitting light source devices and surface-receiving light detector devices. The photonic-crystal plate includes a plurality of cylindrical through holes formed in a thickness direction and arranged in a periodic crystal lattice structure. The plate further includes: a main crystal lattice defect that forms a main optical waveguide for passing lights in a direction perpendicular to the photonic-crystal plate; and a sub-crystal lattice defect that forms a sub-optical waveguide for causing light in a specific wavelength band among the lights passing through the main optical waveguide to be optically coupled and passing the coupled light in the direction perpendicular to the photonic-crystal plate.

Abstract: A multi-core optical fiber sensor is described, which sensor includes an optical fiber having at least two cores, wherein the cores have collocated measurement portions, for example in-fiber interferometers or Bragg grating portions. In an exemplary embodiment, the fiber is provided with collocated measurement portions during fiberization to eliminate drift factors and to provide temperature corrected parameter measurement capabilities.

Abstract: An optical fiber cable management panel includes drawer assemblies, each including a drawer slidable within a chassis. The drawer assemblies are secured together by a bracket that includes an interlock arrangement with the chassis. Such an interlock arrangement includes a non-threaded stud engaging a hole. Radius limiters may be part of the drawer assembly and include a cable entry aperture have a closed perimeter and a flared cable guide surface around most of, and preferably all of, the closed perimeter to allow for the entry of cables from all directions. A control mechanism controls movement of the radius limiter relative to the drawer assembly. The control mechanism includes a rotating member that has an axis of rotation transverse to the slidable motion of the radius limiter and normal to the radius limiter.

Abstract: A direct light type backlight unit and a liquid crystal panel employing the same. The backlight unit includes a plurality of light emitting devices disposed at a predetermined angle on a substrate; and a grating which diffracts incident light from the light emitting devices at different diffraction angles to separate the incident light into a plurality of colored light beams. The backlight unit and the liquid crystal display include direct light type light sources emitting light at an optimal angle to provide maximum diffraction efficiency of the grating, which allows color image realization without the use of a color filter.

Abstract: An optical fiber connector has a rear housing, a reinforcing sleeve and a front housing. The rear housing has a front end, a rear end, a top, a bottom, two opposite sides and two slits longitudinally defined respectively through the top and the bottom at the front end. The reinforcing sleeve is mounted in the rear housing. The front housing is mounted around and the rear housing from the front end of the rear housing and completely covers the slits of the rear housing. The optical fiber connector with the slits has high resistance to the external transverse pulling force and is excellently durable.

Abstract: An optical system includes an optical device having waveguides defined in a first light transmitting medium. The optical device includes stops extending upward from a laser platform. The system also includes a laser bar having a plurality of lasers. The laser bar is positioned on the platform such that each laser is aligned with one of the waveguides. The laser bar includes alignment trenches that each includes a secondary stop extending upward from a bottom of the alignment trench. The secondary stop includes layers of material having different composition. The stops each extend into an alignment trenches such that each stop contacts one of the secondary stops.

Abstract: Methods and systems for optical interconnection.

Abstract: Provided is a liquid crystal display enabling well-balanced improvement of contrast and the response speed against voltage application, in vertical alignment mode using a vertical alignment type liquid crystal. A liquid crystal display includes a couple of substrates disposed facing each other, and a liquid crystal layer disposed between the pair of substrates, the liquid crystal layer containing liquid crystal molecules having a negative dielectric anisotropy, each pixel in the liquid crystal layer having more than two regions, the liquid crystal molecules in one of the regions having a pre-tilt angle different from that of the liquid crystal in another region.

Abstract: A coupler with an optical element for passing signals between a signaling device and an optical fiber in one direction along a fiber axis and away from the fiber axis in the opposite direction. A molded housing with the optical element houses the signaling device with the optical fiber aligned thereto.

Abstract: An array substrate for an in-plane switching mode liquid crystal display device includes a substrate, a gate line along a first direction on the substrate, a data line along a second direction and crossing the gate line to define a pixel region, a thin film transistor connected to the gate and data lines, a pixel electrode in the pixel region and connected to the thin film transistor, and a common electrode in the pixel region and arranged in an alternating pattern with the pixel electrode, wherein each of the pixel electrode and the common electrode includes a transparent conductive pattern, and one of the pixel electrode and the common electrode further includes an opaque conductive pattern having a more narrow width than the transparent conductive pattern.

Abstract: A liquid crystal display and a method for fabricating the same are disclosed. The method for fabricating a liquid crystal display includes preparing an insulating substrate defining a pixel portion divided into a thin film transistor region and a storage region, sequentially forming a polycrystalline silicon film and a storage electrode film on an entire surface of the substrate, selectively patterning the storage electrode film and the polycrystalline silicon film to form a pixel pattern that covers the pixel portion, and selectively removing the storage electrode film in the thin film transistor region to simultaneously form a first active layer in the thin film transistor region and form a storage electrode in the storage region, wherein the active layer is formed of the polycrystalline silicon film and the storage electrode is formed of the storage electrode film.

Abstract: A reflective polarizer contains: (a) a light-entrance medium having a light-entrance surface and a microstructured surface with a series of prismatic structures, wherein first and second sidewalls of each prismatic structure have an inclination angle of more than 53 degrees with respect to the light-entrance surface; (b) a polarization-selective thin film optical coating on the series of prismatic structures, for transmitting a first polarization of light and reflecting a second polarization; and (c) a light-exit medium on the polarization-selective thin film optical coating that provides a smooth light-exit surface.

Abstract: This invention relates to a liquid crystal display device that bias-aging is possible even after spreading silicon over an on/off pad. A liquid crystal display device according to an embodiment of the present invention includes a liquid crystal display panel where liquid crystal cells are arranged in an active matrix pattern between an upper substrate and a lower substrate, and where a plurality of gate lines and a plurality of data lines are formed; an on/off pad formed on the lower substrate for supplying bias aging signals to the gate line and the data line and checking whether or not the liquid crystal cells are turned on; a drive IC formed on the lower substrate for supplying drive signals to the gate line and the data line; and a printed circuit board which is connected to the lower substrate and which has a signal pad for supplying the drive signal to the drive IC and a bias aging pad for supplying the bias aging signal to the on/off pad.

Abstract: An optical transmission fiber includes a central core having an index difference ?n1 with an outer optical cladding; a first inner cladding having an index difference ?n2 with the outer cladding; and a second buried inner cladding having an index difference ?n3 with the outer cladding of less than ?3.10?3. The second buried inner cladding moreover contains Germanium in a weight concentration of between 0.5% and 7%. The fiber shows reduced bending and microbending losses whilst exhibiting the optical performances of a standard single-mode fiber (SSMF).

Abstract: A method of fabricating a sensor probe comprises: placing the end of an optical fiber 10 in a polymerization space 2; applying a drop of hydrogel pre-gel solution 30 to the end of the fiber; exposing said pre-gel solution to an ultra-violet light source 24 to cause polymerization therein; and monitoring a light signal that has passed down said optical fiber 10 in order to monitor said polymerization.

Abstract: An optically coupled device and an optical module including the optically coupled device are provided in which a photoelectric conversion device can be easily and appropriately positioned, and reduction in manufacturing costs and improvement in productivity can be achieved. A configuration is made in which, when a photoelectric conversion device 7 is attached to an optically coupled device 1, sufficient optical coupling efficiency can be achieved simply by a mechanical operation in which a photoelectric conversion device 7-side positioning mechanism 12 is engaged with an optically coupled device 1-side positioning mechanism 11, without requiring alignment in any of an emission or irradiation direction of light in a photoelectric conversion element 5 and a direction perpendicular thereto.