Abstract: A lens module includes a barrel defining a through hole, at least one plastic lens accommodated in the through hole and a UV/IR cut filter mounted on the barrel and configured for preventing entry of both UV light and IR light into the barrel. The lens module has a UV/IR cut filter mounted on the barrel configured for preventing entry of both UV light and IR light into the barrel, so it can prevent UV light damaging plastic lenses, and accordingly can improve the useful life of the lens module.

Abstract: A field emission element includes at least one supporting wire and at least one carbon nanotube wire. The supporting wire and the carbon nanotube wire are twisted together. A method for manufacturing the described field emission element is also provided. The method includes the steps of: (a) providing at least one carbon nanotube wire and at least one supporting wire; (b) twisting the carbon nanotube wire and the supporting wire together to form a multi-strand structure by a spinning process; and (c) cutting the multi-strand structure according to a predetermined length to form a field emission element.

Abstract: A heat pipe (20) includes a pipe (21), a wick (22), and an operating fluid. The wick is fixedly engaged with an inside wall of the pipe. The operating fluid is sealed in the pipe and soaks the wick. The operating fluid includes a pure liquid, and a plurality of carbon nanocapsules (23) suspended in the pure liquid. The pure liquid can be selected from the group consisting of pure water, ammonia, methanol, acetone and heptane. Each carbon nanocapsule is a polyhedral carbon cluster (231), with a metal (232) having high thermal conductivity filled therein. The operating fluid has high thermal conductivity and uniform operation, and is recyclable with no pollution of the environment. The heat pipe has correspondingly high thermal conductivity.

Abstract: A lighting device includes a cathode (11), a cover (12), an insulation layer (13), an emitter base (18), a molybdenum tip (19), a phosphor layer (15), an anode (16), and a silicon oxide layer (17). The cover is formed on the cathode. The insulation layer is formed on the cover. The base is formed on the insulation layer. The molybdenum tip is formed on the base. The phosphor layer is spaced apart from the molybdenum tip. The anode is formed on the phosphor layer. The silicon oxide layer is formed on the anode.

Abstract: An integrated circuit package includes a die mounted on a substrate, an integrated heat spreader set above the die, and an array of carbon nanotubes mounted between the die and the integrated heat spreader. The integrated heat spreader is fixed on the substrate, and includes an inner face. The array of carbon nanotubes is formed on the inner face of the integrated heat spreader. Top and bottom ends of the carbon nanotubes perpendicularly contact the integrated heat spreader and the die respectively. Each carbon nanotube can be capsulated in a nanometer-scale metal having a high heat conduction coefficient.

Abstract: An optical pickup head includes a light emitting and receiving unit (1), a first lens (2), a second lens (3), and a beam splitter (4). The light emitting and receiving unit (1) includes a semiconductor laser (10) generating laser beams with different wavelengths which irradiate an optical disk, and a photo detector (11) receiving laser beams reflected by the optical disk. The first lens faces the light emitting and receiving unit. The first lens includes an aspheric lens portion (20) with a pair of opposite surfaces, and a diffraction grating (21) formed on the surface of the aspheric lens portion which faces the light emitting and receiving unit. The second lens is similar to the first lens, and faces the optical disk for converging laser beams thereto. The beam splitter is located between the first and second lenses.

Abstract: A wear resistant EMI shield includes a metallic film or multiple metallic films, and a carbon-nanotube coating (14) formed on the metallic film or multiple metallic films. The metallic films may include nickel film (12), copper film (13) and NixCu1?x (x=0.62˜0.99) (15) alloy film. In a preferred embodiment, the structure of the wear resistant EMI shield is CNT/Ni/Cu/Ni/. The thickness of metallic film is in the range from 20 to 100 nm and the thickness of carbon-nanotube coating is in the range from 10 to 200 nm. The wear resistant EMI shield may apply to various substrate surfaces (10) of electronic equipment, such as the shell of computer, play-station, wireless equipment, mobile phones, automobiles, airplanes, commercial appliance and consumer products, etc. The wear resistant EMI shield has good wear resistance, EMI shield effect, thin thickness and lightweight.

Abstract: A method for making a mold used for press-molding glass articles, comprising: providing a mold base with a press surface in a vacuum chamber; producing a plasma in the vacuum chamber; bombarding a target electrode containing carbon material with ions in the plasma and ejecting carbon atoms from the target electrode; and depositing the carbon atoms onto the press surface, thereby forming a thin layer of diamond like carbon on the press surface.

Abstract: A composite mold comprising a main body, a molding layer formed on the main body, and a protective layer formed on the molding layer, the protective layer being made from diamond-like carbon. A method for manufacturing the composite mold comprising the following steps: providing a main body; forming a molding layer on the main body; and forming a protective layer on the molding layer, the protective layer being comprised of diamond-like carbon.

Abstract: A light source (100) provided herein generally includes a substrate (110), a cathode (120), an isolating layer (122), a light-permeable anode (152), and at least one fluorescent layer (154). The substrate has a surface, and the cathode, with at least one solid electron emitter formed thereon, is located on the surface of the substrate. The isolating layer is formed on the cathode. The light-permeable anode faces the field emitters and is spaced from the cathode to form a vacuum chamber. The at least one fluorescent layer is formed on the anode. Such a light source can then be incorporated, e.g., into a backlight module (300) for an LCD device.

Abstract: An optical processor includes a light source (20), a grating device (23), a first lens (24), a reflector (25), a second lens (26), an array of mirror cells (28), a color wheel (29), and a third lens (30). The light source is for generating a number of light beams. The grating device is for reflecting and dispersing the generated light beams. The first lens is for imaging the reflected and dispersed light beams. The reflector is for reflecting the imaged light beams. The second lens is for correcting any aberration of the reflected light beams. The array of mirror cells is for reflecting the light beams received from the second lens. The color wheel is for coloring the reflected light beams. The third lens is for projecting the colored light beams onto a display.

Abstract: A light guide plate (20) includes a light incident surface (21) having a meso-nano pore structure (210) formed thereat, a bottom surface (22) adjacent to the incident surface. The meso-nano pore structure includes a plurality of meso-nano pores (211) which are less than 50 nm in size, a plurality of first meso-nano particles (212) disposed in the meso-nano pores, and a plurality of second meso-nano particles (213) disposed generally between the meso-nano pores. The meso-nano pores are considerably less than a wavelength (400˜700 nm) of visible light in size, so that a nano-coupling effect occurs between photons of the lightbeams. Therefore, light loss caused by scattering is reduced, and a rate of utilization of light is improved.

Abstract: An exemplary auto-focus imaging system having a compact configuration and a high-focusing accuracy includes a lens assembly, an image sensor, a locator, a control unit, and a voice coil actuator. The lens assembly is configured for picking up and manipulating optical information. The image sensor is configured for sensing the optical information and producing corresponding electronic signals. The locator is configured for producing a first position signal representative of an actual position of the lens assembly. The locator includes a magnet and a magnetic sensor. A relative positional relationship between the magnet and the magnetic directly varies with a movement of the lens assembly. The control unit is configured for receiving the electronic signals and the first position signal and outputting a control signal. The voice coil actuator is configured for receiving the control signal and moving the lens assembly to a desired position.

Abstract: A thermally conductive material includes a supercritical fluid and a number of carbon nanotubes incorporated in the supercritical fluid. The supercritical fluid may be selected from a group consisting of carbon dioxide, water, ammonia, ethane, ethane, nitrous oxide, propane, butane, pentane, and so on. The carbon nanotubes may be selected from the group consisting of single-wall carbon nanotubes, double-wall carbon nanotubes, mult-wall carbon nanotubes, or other kinds of carbon nanotubes. The carbon nanotubes have an average length of less than 1 micron and an average diameter of less than 100 nanometers. The supercritical fluid has dual characteristices of a liquid and a gas, and the carbon nanotubes have excellent thermal conductivity. As a result, the thermally conductive material becomes a nano-super heat conductor with excellent thermal conductivity and high efficiency of thermal conductivity, and is suitable for heat dissipation of various heat sources.

Abstract: A light-emitting diode (LED) (10) includes a chip body (103), an encapsulation can (105) surrounding the chip body, and a base (106) supporting the encapsulation can and the chip body thereon. Numerous fluorescent particles (1050) are provided in the encapsulation can. With the fluorescent particles, light beams from the chip body are diffused and attain wider irradiation angles. A backlight system (900) includes a light guide plate (20), and a number of the above-described LEDs disposed adjacent to the light guide plate. Light beams having wide irradiation angles are emitted from the LEDs and enter the light guide plate. This enables a light emitting surface of the light guide plate to have highly uniform brightness.

Abstract: A safety alarm system includes an imaging module configured for capturing images of surroundings of a user and producing an image signal associated with the images; a signal transmitting module electronically connected to the imaging module; and an alarm generating module electronically connected to the signal transmitting module, the alarm generating module being configured for generating an alarm signal, the transmitting module being configured for receiving the image signal and the alarm signal and sending the image signal and the alarm signal to a receiving terminal.

Abstract: An optical system (10) operatively associated with incident light (50) is provided. The incident light is essentially comprised of a first part (52) and a second part (54). The optical system includes: a photo catalytic reactor (30) comprising a photo catalyst (36) operatively associated with the first part of the incident light, an optical device (20) operatively associated with the second part of the incident light, and a beam splitter (40) for separating the incident light into the first part which is directed to the photo catalyst and the second part which is directed to the optical device.

Abstract: An apparatus for forming an antireflection film includes a chamber, a rocking device, a substrate holder, at least one evaporation source, and at least one electron beam source. The substrate holder is disposed in the chamber and configured for holding the optical substrate thereon. The evaporation source is arranged in the chamber and opposite to the substrate holder. The at least one electron beam source is configured for producing electrons for bombarding the at least one evaporation source thereby dislodging material therefrom, the dislodged material is then deposited onto the optical substrate at an incident angle relative to a main plane of the optical substrate. The rocking device is configured for tilting the optical substrate onto the substrate holder so as to adjust the incident angle of the dislodged material.

Abstract: A mold 50 for forming optical lenses has a molding portion 10 having a molding surface 12, a thin film 30 is formed on the molding surface, which is made from SiCHxNy, wherein x is in the range of 0.02˜0.10, y is in the range of 0.05˜0.30. A method for manufacturing the mold is also provided.

Abstract: An edge-lighting type backlight module (10) includes a light guide plate (12), at least one light sources (14), a reflector (16), a thermally conductive layer (18), and a plurality of heat pipes (20). The light guide plate has a light incident surface (120). The at least one light source is disposed adjacent to the light incident surface, and partly surrounded by the reflector. The thermally conductive layer is formed on an inner surface of the reflector near to the at least one light source, and the heat pipes attached to an outer surface of the reflector facing away from the at least one light source. A direct type backlight module (30) includes a diffuser plate (32), a reflector (34), at least one light sources (36), a thermally conductive layer (38), and a plurality of heat pipes (40).