Abstract: Technologies for detecting a passive object through the use of frequency diversity to find at least a resonant peak are disclosed. For example, a radar system may illuminate a suspect area with a pulsed radio wave based on a large number of frequency bands and based on parameters associated with the passive object. The reflected radio wave may be processed to generate synthetic aperture radar (SAR) maps associated with the frequency bands. The SAR maps may be analyzed and compared to determine large deviation amplitudes that may indicate a location of the passive object.

Abstract: A system and method is provided that displays graphical symbology that enables a pilot to rapidly discern (1) that a neighboring aircraft is a rotorcraft, and (2) whether the rotorcraft is hovering. The provided system and method enables a user to define hovering, by editing a position change (distance) within a predetermined time.

Abstract: A system for detecting driver vehicle travelling in an unsafe manner comprising a radar system configured to generate a sequence of frames of radar data. A target trajectory system configured to receive the sequence of frames of radar data and to generate target trajectory data for a vehicle. An alarm system configured to receive the target trajectory data and to generate an alarm as a function of the target trajectory data, a probability of collision, a degree of erratic driving or other suitable data.

Abstract: Embodiments relate to integrated sonic sensors having a transmitter, a receiver and driver electronics integrated in a single, functional package. In one embodiment, a piezoelectric signal transmitter, a silicon microphone receiver and a controller/amplifier chip are concomitantly integrated in a semiconductor housing. The semiconductor housing, in embodiments, is functional in that at least a portion of the housing can comprise the piezoelectric element of the transmitter, with an inlet aperture opposite the silicon microphone receiver.

Abstract: The present invention is direction to systems and methods of determining statistics or metrics relating to player performance in a sporting event. Preferred systems herein comprise (a) an object device affixed to a sports object wherein the object device includes one or more object sensors; (b) a player device affixed to at least one of a player and a player sports equipment wherein the player device includes one or more player sensors; (c) wherein the object device: (i) detects the player device using the one or more object sensors and one or more player sensors; (ii) acquires player information from the player device.

Abstract: Provided is an ultrasonic imaging apparatus including an ultrasonic probe configured to receive a first ultrasonic signal and a second ultrasonic signal corresponding an object; and an image processor configured to obtain second ultrasonic volume data based on the second ultrasonic signal and relationship information between first information and second information, configured to apply the relationship information to the second ultrasonic volume data and configured to obtain a second ultrasonic cross-sectional image from the second ultrasonic volume data based on the relationship information, where the first information comprises a first position and a first direction corresponding to a position and a direction of the ultrasonic probe receiving the first ultrasonic signal and the second information comprises a second position and a second direction corresponding to a position and a direction of the ultrasonic probe receiving the second ultrasonic signal.

Abstract: Some embodiments of the invention relate to a coordinate measuring machine for determining the position and/or for continuous tracking of a target embodied as a retroreflector or at least having a retroreflector. In some embodiments, the coordinate measuring machine may be a laser tracker. The coordinate measuring machine may include comprising at least a base defining a vertical axis, a support swivelable relative thereto and, tiltable thereto a beam guiding unit for emitting measurement radiation for receiving at least some of the measurement radiation reflected at the target. In some embodiments, the coordinate measuring machine includes a heat influence reduction component that may be configured to prevent and/or actively reduce heat emission, and/or obstruct or prevent warm air from passing through the near region free beam path.

Abstract: A distance-measuring imaging device includes: a drive control unit; a light source unit; an image processing unit including light receiving units and charge reading units arranged one-to-one; and an image processing unit. The charge reading units are arranged partly at the left side of corresponding ones of the light receiving units and partly at the right side of corresponding ones of the same. In each of a period in which the exposure is performed when the exposure control signal is received after a first delay time since when the light emission control signal is received and a period in which the exposure is performed when the exposure control signal is received after a second delay time longer than the first delay time, since when the light emission control signal is received, the left-side charge reading units read charge leftward, and the right-side charge reading units read charge rightward.

Abstract: A three dimensional imaging camera comprises a system controller, pulsed laser transmitter, receiving optics, an infrared focal plane array light detector, and an image processor. The described invention is capable of developing a complete 3-D scene from a single point of view. The 3-D imaging camera utilizes a pulsed laser transmitter capable of illuminating an entire scene with a single high power flash of light. The 3-D imaging camera employs a system controller to trigger a pulse of high intensity light from the pulsed laser transmitter, and counts the time from the start of the transmitter light pulse. The light reflected from the illuminated scene impinges on a receiving optics and is detected by a focal plane array optical detector. An image processor applies image enhancing algorithms to improve the image quality and develop object data for subjects in the field of view of the flash ladar imaging camera.

Abstract: A receiver is arranged to receive a plurality of Global Navigation Satellite System (GNSS) signals from up to four different satellite navigation systems including a GLONASS system, a BeiDou system, a GPS system, and a Galileo system. Received GNSS signals are mixed with a first local frequency signal to generate a plurality of mixed signals. The mixed signals are processed in up to three parallel branches. In a first branch, a first portion of the mixed signals are transformed by passing the first portion through a band-pass filter having a bandwidth between about 0 MHz and 46 MHz and by amplifying the filtered signals with an AGC circuit. In a second branch, a second portion of the mixed signals are transformed by rejecting image signals of the second portion with an image rejection filter and mixing image rejection filter output signals with a second local frequency signal to derive first remixed signals.

Abstract: Device (100) has: a low-speed interval extraction unit (120) for extracting, from GPS information, a low-speed interval extending from the location at a first time point at which the measured speed of a vehicle has fallen below a prescribed value, to the location at a second time point at which the speed has exceeded the prescribed value; a vehicle speed transition model generating unit (130) for generating a model having, as constraint condition, the length and the amount of time of the low-speed interval, for indicating temporal transition of the speed in such a way that the speed continuously increases to the second time point after having decreased from the first time point; and a stop determination unit (140) for determining that the vehicle has stopped within the low-speed interval, on the condition that an interval in which the speed is zero or less is present within the model.

Abstract: An apparatus and method for measuring three-dimensional radiation dose distributions with high spatial and temporal resolution using a large-volume scintillator. The scintillator converts the radiation dose distribution into a visible light distribution. The visible light is transported to one or more photo-detectors, which measure the light intensity. The light signals are processed to correct for optical artifacts, and the three-dimensional light distribution is reconstructed. The reconstructed light distribution is post-processed to convert light amplitudes to measured radiation doses. The high temporal resolution of the detector makes it possible to observe the evolution of a dynamic dose distribution as it changes over time. Integral dose distributions can be measured by summing the dose over time.

Abstract: A measurement device for measuring radiation of a radiation source is provided. The measurement device comprises a container for receiving a liquid, at least one detector arranged in the container and a detector arrangement outside the container for determining the size of a radiation field and/or the energy of radiation emitted by the radiation source.

Abstract: The present invention provides a radiographic imaging device, radiographic imaging system, a program for controlling the radiographic imaging device, and a method for controlling the radiographic imaging device that may accurately detect start of irradiation of radiation even noises are generated by interference or the like. When radiation is irradiated, electric signals outputted from radiation detection pixels in charge accumulation period are detected by signal detection circuit during detection period. Control section determines whether time variation of the electric signals feature pre-specified characteristics of noise. If not, the start of the irradiation of radiation has been properly detected, the charge accumulation period continues, and radiographic image is imaged.

Abstract: An apparatus and an analytical method for detecting and measuring alpha particle emissions from liquid samples using direct detectors. The apparatus may include a partition that is vapor-impermeable and alpha-permeable such that vapor from the liquid sample is substantially or entirely prevented from escaping through the partition, while alpha particles are able to escape through the partition for detection. The method may offer improved accuracy, flexibility, and quality in detecting and measuring alpha particle emissions.

Abstract: A radiation image acquisition device includes: a radiation source which emits radiation; a wavelength conversion member of a flat plate shape which generates scintillation light according to incidence of the radiation emitted from the radiation source and transmitted by an object; first imaging means which condenses and images the scintillation light emitted from an entrance surface for the radiation in the wavelength conversion member; and second imaging means which condenses and images the scintillation light emitted from a surface opposite to the entrance surface in the wavelength conversion member, wherein one of the first imaging means and the second imaging means condenses the scintillation light emitted from the entrance surface or the opposite surface in a direction of a normal thereto, and wherein the other of the first imaging means and the second imaging means condenses the scintillation light emitted from the entrance surface or the opposite surface in a direction inclined with respect to a direct

Abstract: The present disclosure relates to a process for fabricating a crystalline scintillator material with a structure of elpasolite type of theoretical composition A2BC(1-y)MyX(6-y) wherein A is chosen from among Cs, Rb, K, Na, B is chosen from among Li, K, Na, C is chosen from among the rare earths, Al, Ga, M is chosen from among the alkaline earths, X is chosen from among F, Cl, Br, I, y representing the atomic fraction of substitution of C by M and being in the range extending from 0 to 0.05, comprising its crystallization by cooling from a melt bath comprising r moles of A and s moles of B, the melt bath in contact with the material containing A and B in such a way that 2s/r is above 1. The process shows an improved fabrication yield. Moreover, the crystals obtained can have compositions closer to stoichiometry and have improved scintillation properties.

Abstract: A method of manufacturing an organic-inorganic composite thin film may include: forming a thin film from a paste that includes an inorganic powder and an organic compound binder by using a screen printing process; and/or performing a pressing process and a heating process with respect to the thin film. The heating process may be performed at a glass transition temperature of the organic compound binder or in a temperature range higher than the glass transition temperature of the organic compound binder. An X-ray detector configured to detect X-rays irradiated from an outside of the X-ray detector may include: a photoconductive material layer in which electron-hole pairs are formed due to absorption of the X-rays. The photoconductive material layer may be formed of an organic-inorganic composite thin film that includes an inorganic powder and an organic compound binder.

Abstract: An X-ray detector may comprise: a substrate; a plurality of pixel electrodes on the substrate; a photoconductor covering the plurality of pixel electrodes; and/or a common electrode on the photoconductor. The photoconductor may comprise: at least two photoconductor layers; and/or a current resistance layer, between the at least two photoconductor layers, configured to reduce current flow between the at least two photoconductor layers. An X-ray detector may comprise: a plurality of photoconductor layers; and/or a current resistance layer, between the plurality of photoconductor layers, configured to reduce current flow between the plurality of photoconductor layers.

Abstract: A method to generate a tube wave in a tubular system involves reciprocating a plunger in a chamber system to alternatingly increase and decrease net volume, drawing fluid from and returning the fluid to a tubular system and into and from the chamber system, to generate a tube wave, and guiding the tube wave to the tubular system. Also, a tube wave generator-sensor system has a chamber system, a plunger, a driver to reciprocate the plunger within the chamber system to generate a tube wave, a flow passage to guide the tube wave into a tubular system, and a sensor to receive the tube wave signal and/or response from the tubular system. The method and system can work with or without a firing valve and or accumulator, without adding or subtracting fluid from the tubular system.

Abstract: A system. At least some illustrative embodiments are a system including a first survey vessel and a first tow line coupled to the first survey vessel. A first sensor streamer is coupled to the first tow line. Also includes are a second survey vessel and a second tow line coupled to the second survey vessel. A second sensor streamer is coupled to the second tow line and a pulling line is connected between the first tow line and the second tow line.

Abstract: Method and system for high-accurate position determination of control devices arranged in connection with instrumented cables towed behind a survey vessel by at least one autonomous surface vessel provided with acoustic communication means, where the control devices are provided with acoustic elements, and where the acoustic communication means and acoustic elements are used for accurate positioning of the surface vessel above the control device.

Abstract: Systems, methods, and devices for evaluating proper cement installation in a well are provided. In one example, a method includes receiving acoustic cement evaluation data parameterized using a first parameterization. A subset of the acoustic cement evaluation data is compared to expected nominal values of the acoustic cement evaluation data. When the subset of the acoustic cement evaluation data does not substantially conform to the expected nominal values of the acoustic cement evaluation data, all or part of the acoustic cement evaluation data is corrected to cause the subset of the acoustic cement evaluation data to more closely match the expected nominal values of the acoustic cement evaluation data. The corrected acoustic cement evaluation data may be used to estimate a presence of solids, liquids, and/or gases behind the casing.

Abstract: Disclosed are methods and apparatus for electromagnetic surveying using dynamically-selected source waveforms. In accordance with an embodiment of the invention, a source waveform is adapted by dynamically selecting a source waveform from the set of pre-calculated waveform sequences. The dynamic selection of the source waveform may depend on a measured background noise level. Other embodiments, aspects, and features are also disclosed.

Abstract: Apparatus, systems, and methods may operate to couple a power supply to a ground point associated with a well, and to a lower portion of a conductive casing disposed within the well, where the lower portion of the conductive casing is separated by an insulating gap from an upper portion of the conductive casing, the upper portion of the conductive casing being at a higher elevation of the first well than the lower portion of the conductive casing. Further activity may include injecting an excitation signal into the lower portion of the conductive casing to induce a magnetic field in a geological formation surrounding the first well. Additional apparatus, systems, and methods are disclosed.

Abstract: The disclosure provides a multi-power multi-dosage accelerator. The multi-power multi-dosage accelerator comprises an electron gun configured to provide a first voltage of the electron gun and a second voltage of the electron gun, and an accelerating tube configured to generate a first X-ray having a first dosage and first power according to the first voltage of the electron gun and generate a second X-ray having a second dosage and second power according to the second voltage of the electron gun, wherein the first dosage is a dosage which can be accepted by human bodies and is much less than the second dosage, the first X-ray is used for inspecting a first area where a person is located, and the second X-ray is used for inspecting a second area where goods are located.

Abstract: Provided is a detection system for a luminaire fixture including a sensor and a laser meter to allow positioning of a sensor for precise positioning toward a viewing area. The sensor includes a sensor mount to attach the detection system to an existing luminaire, a sensor lens to perceive a viewing area, and a sensor housing to protect the sensor lens. The laser meter includes a laser to project a focused light path for positioning, and a laser housing to protect the laser. The sensor lens is positioned with respect to the laser, causing the sensor lens to move with respect to the laser. Also provided is a method for configuring an adjustable detection system for a luminaire.

Abstract: This detection terminal (2) includes a fastening element (3) intended to be fastened in or on a support, electrical connection means for the connection of the propagation means arranged to propagate an electrical signal along an optically invisible network, and a protection element (29) comprising at least one electrically conductive portion. The protection element (29) is movable relative to the fastening element (3) between a first position wherein the electrically conductive portion is in electrical contact with the electrical connection means and is electrically connected to the grounding means, and a second position wherein the electrically conductive portion is electrically insulated from the electrical connection means.

Abstract: A tank inventory signaling apparatus that has gas cylinder tanks stored on a pad having an array of spots to mark tank placement. Tanks are placed directly over the spots in a grid of rows and columns. Sensors below each spot act as weight or proximity sensors indicating the presence or absence of a tank. The sensors are connected to logic that monitors the state of all sensors. Tank inventory is inferred by changes of state of the sensor grid since it is necessary to change sensor state to remove a tank. Sensor states are reported to a remote server having associated tank management and supply software and route management software. In this manner, local tank usage can be tracked at remote locations for resupply of tanks and delivery of replacement tanks can be optimized.

Abstract: A computer-based method of conditioning reservoir model data includes performing a modeling process within a 3D stratigraphic grid to generate an initial model including one or more facies objects within the model volume, the modeling process including parametric distributions, initial and boundary conditions as well as depositional and erosional events to define the facies objects within the model volume. The mismatch between this initial model and the conditioning well data and potential input trend model is applied to compute a locally variable constraint model. The method further includes executing a multiple point statistics simulation with this constraint model that varies between completely constrained by the initial model at locations where the initial model is consistent with known well data and potential input trend models, and unconstrained by the initial model at locations where the initial model does not match known well data or potential input trend models to allow conformance to the known data.

Abstract: A method can include mapping a stairstepped grid to a surface where the stairstepped grid and the surface represent a discontinuity in a geologic environment; based at least in part on the mapping, adjusting properties associated with the stairstepped grid to compensate for spatial discrepancies between the stairstepped grid and the surface; and simulating flow in the geologic environment using the stairstepped grid and the adjusted properties.

Abstract: Provided are a near infrared radiation-absorbing composition capable of forming a cured film having excellent heat resistance while maintaining high near infrared radiation-shielding properties, a near infrared radiation cut-off filter and a production method therefor, and a camera module and a production method therefor. The near infrared radiation-absorbing composition includes a copper compound obtained from a reaction between a siloxane (A1) having an acid group or a salt thereof and a copper component.

Abstract: The present invention relates to a process comprising the steps of reacting a reactive mixture comprising at least one silicone-containing component, at least one hydrophilic component, and at least one diluent to form an ophthalmic device having an advancing contact angle of less than about 80°; and contacting the ophthalmic device with an aqueous extraction solution at an elevated extraction temperature, wherein said at least one diluent has a boiling point at least about 10° higher than said extraction temperature.

Abstract: A flexible display device includes an antireflective film on an image display surface of the flexible display device, wherein the antireflective film includes an antireflective layer disposed on at least one surface of a transparent resin film having flexibility and including inorganic particles and matrix resin, wherein a volumetric ratio of the inorganic particles in the antireflective layer is equal to or larger than 40 vol %, wherein a diameter of each of the inorganic particles is within a range of 5 to 200 nm, wherein a thickness of the antireflective layer is within a range of 50 to 200 nm, and wherein there is no crack when a bending test of the antireflective film is performed based on JIS K 5600-5-1 and using a cylindrical mandrel with a diameter of 2 mm.

Abstract: The present invention relates to protection films comprising an optical film suitably sized for an illuminated display device, the optical film having perimeter surface portions defining a central region. The protection film further comprises a pressure sensitive adhesive layer at the perimeter surface portions of the optical film. The optical film and/or pressure sensitive adhesive layer has been adapted such that the at least the central region of the optical film contacts the illuminated display device or the central region of the optical film is bonded to the illuminated display device by means of a self-wetting layer. The protection film may be preassembled or may be provided as a kit, the kit comprising an optical film and a double-faced pressure sensitive tape.

Abstract: A device is provided, which includes at least one optical area sensor having an optical semiaxis and an entrance pupil. The device also includes an optical element including at least one pair of parallel surfaces. The device is characterized in that the optical element has a refractive index which decreases as the distance from the center increases at least along a direction in parallel to the surfaces at least between one edge of the optical element and a center of the optical element. The optical element is situated with respect to the area sensor in such a way that the surfaces are situated perpendicularly to the optical semiaxis. The increase of the refractive index perpendicular to the optical semiaxis makes it possible to situate the optical element having the parallel surfaces perpendicular to the optical semiaxis, so that the block requires minimal installation space.

Abstract: A fluidic lens may include an optical surface configured for deflection dominated by bending stress. An adjustable concentric load may be applied to the optical surface to cause a clear aperture region of the optical surface to deflect with generally spherical curvature. Adjusting the concentric load controls the radius of curvature. An adjustable uniformly-distributed load may be applied to the optical surface by fluid pressure that causes the clear aperture region to deflect with an aspheric shape. Adjusting the pressure controls the asphericity of curvature. First and second fluids having similar densities and different refractive indexes may be disposed on either side of a deflectable optical surface to help balance gravitational loading on either side of the optical surface, thereby reducing gravity-associated aberrations.

Abstract: A varifocal lens capable of exhibiting high lens performance even with low lens power, and also capable of realizing a comparatively large aperture includes a first elastic membrane arranged between a first medium and a second medium. The first elastic membrane is capable of elastic deformation by pressure from the first medium or the second medium. A drive section causes change in curvature of the first elastic membrane by causing variation in pressure or volume of the first medium or the second medium. The first tensile force applying section applies isotropic tensile force to the first elastic membrane.

Abstract: A diffusion plate includes a substrate and a diffusion layer attached to at least one surface of substrate. The diffusion layer includes an adhesive and a plurality of calcium carbonate nanoparticles dispersed in the adhesive and mainly used for diffusing light. A method for making the diffusion plate, and a backlight module using the diffusion plate are also provided.

Abstract: Tooling and optic elements for a retro-imaging system may be formed on order near atomic level of accuracy by making use of either etching or growth techniques of a cubic crystal lattice, such as silicon. The elements may be formed directly using selective etching or epitaxial growth by coating and clear resin lamination, or replicated to avoid shrinkage and curvature by use of low shrinkage resins or double-fill molding techniques. Through the use of these highly accurate reflection/diffraction elements, floating images may be formed with relatively high resolution in retro-reflective imaging systems, for example.

Abstract: Embodiments described herein provide for terahertz tags and methods of making and using them. A tag may include a terahertz reflective material; and a saturated hygroscopic material positioned on the terahertz reflective material. A tag may include a terahertz reflective material; and an anhydrous hygroscopic material positioned on the terahertz reflective material. A humidity sensor may include a terahertz reflective material; and an anhydrous hygroscopic material positioned on the terahertz reflective material. A temperature sensor may include a terahertz reflective material; an anhydrous hygroscopic material positioned on the terahertz reflective material; and a polymer overlay having thermally controlled water permeability disposed on the anhydrous hygroscopic material. Some embodiments relate to a tag identification device configured to transmit an incident signal toward the tag, and to receive a reply signal from the tag in response to the incident signal.

Abstract: A display apparatus includes a substrate, a display device on the substrate, the display device including a display area and a non-display area, an encapsulation member covering the display device, a surface treatment pattern layer on the encapsulation member, the surface treatment pattern layer selectively corresponding to one of the display area and the non-display area, and a photo-functional layer corresponding to a pattern of the surface treatment pattern layer.

Abstract: Disclosed is a method of producing a roll of an optical film laminate strip including a polarizing film which has a thickness of 10 ?m or less. The method comprises the steps of: forming a continuous web of optical film laminate including a polarizing film which consists of a polyvinyl alcohol type resin layer and has a thickness of 10 ?m or less, wherein the polarizing film is formed by performing an stretching sub-step of subjecting a laminate comprising a continuous web of thermoplastic resin substrate and a polyvinyl alcohol type resin layer formed on the substrate, to a uniaxial stretching in a lengthwise direction of the laminate based on 2-stage stretching consisting of preliminary in-air stretching and in-boric-acid-solution stretching, to attain a stretching ratio of 5 to 8.

Abstract: A method of manufacturing a thin film polarizer includes forming a film laminate by allowing a non-oriented polyvinyl alcohol-based film to be bonded to and sandwiched between two or more non-oriented polymer films using attractive force or an adhesive layer, orienting the film laminate so that the polyvinyl alcohol-based film has a thickness of 10 ?m or less, and separating the polymer films and the polyvinyl alcohol-based film of the oriented film laminate from each other.

Abstract: There are provided a thin film polarizer having superior optical properties and a method of manufacturing the same. The thin film polarizer includes: forming a film laminate by attaching a non-stretched polyvinyl alcohol (PVA)-based film to at least one surface of a thermoplastic polyurethane film, using attractive force therebetween or using an adhesive; stretching the film laminate at a temperature of 45° C. to 55° C.; and separating the PVA-based film from the thermoplastic polyurethane film.

Abstract: An illumination system configured to produce color movement along the length of an optical fiber. The system can include a light-diffusing optical fiber having a first input end and a second input end, a glass core, a cladding surrounding the glass core, and an outer surface. Nano-sized structures are situated within the glass core or at the core-cladding boundary in order to scatter light. A first light source is optically coupled to the first input end, and a second light source is optically coupled to the second input end. A color variation forms within the optical fiber at the junction of the light emitted from each end of the fiber, and adjusting the intensity of light emitted from one or more of the first light source and the second light source causes the location of the color variation to move along the length of the optical fiber.

Abstract: Provided is an image source unit for improving use efficiency of the image light, including: a light source; and an optical sheet, the optical sheet including: a base material layer; an optical functional layer; and an adhesive layer, the optical functional layer including: light-transmissive portions arranged in parallel; and light-absorbing portions arranged between the light-transmissive portions, whose refractive index is set smaller than that of the light-transmissive portions, the light source side face of the light-transmissive portions includes unit light input control elements so that the elements project towards the light source side, the light-absorbing portions not being arranged between the unit light input control elements, the light source side face of the light-absorbing portions having a recess so that the bottom of the recess faces the opposite side from the light source, the adhesive layer is laminated on a light source side face of the optical functional layer.

Abstract: A display including an architecture for illuminating pixels with light having consistent brightness and/or color. In an embodiment, a light transmission device of a display includes a light integration body comprising a first integration rod portion to mix light from multiple light sources, and to direct at least a portion of the integrated light toward a microlens array of the light transmission device. The microlens array receives and directs the portion of the integrated light from the light transmission unit toward pixels of the display. In another embodiment, the light transmission unit includes a plurality of integration rod portions and a plurality of microlens arrays each coupled to variously direct integrated light from a respective one of the plurality of integration rod portions toward a different respective pixel array of the display.

Abstract: A light guide plate receives light and guides the light to a display panel. The light guide plate includes a body and protruding portions. The body includes a first side surface disposed adjacent to the light source, a second side surface facing the first side surface, and an upper surface. Protruding portions are protruded from the upper surface. Each of the protruding portions includes first and second protruding portions sequentially arranged from the first side surface to the second side surface. A width of the first protruding portion in a direction substantially parallel to the first side surface becomes smaller as a distance from the first side surface becomes larger, and a width of the second protruding portion in the direction substantially parallel to the first side surface becomes larger as the distance from the first side surface becomes larger.

Abstract: A backlight module includes a bottom plate, a light guide and a light source assembly. The bottom plate has a first loading surface and a recess adjacent to each other. The recess has a second loading surface and a reflective surface inclined to the first and second loading surfaces. The light guide has a light inputting surface and a light outputting surface. The light guide is disposed on the first loading surface and covers the reflective surface. The light outputting surface faces away from the bottom plate. The light source assembly has a light emitting surface and disposed on the second loading surface. The light emitting surface faces the light inputting surface and the reflective surface, and comprises a side edge away from the second loading surface. The light source assembly is disposed inside the recess so the side edge is not higher than the light outputting surface.