| CORETRONIC CORPORATION Patent applications |
| Patent application number | Title | Published |
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| 20120127755 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate is adapted for guiding a light beam provided by a light emitting device. The light guide plate includes a light-transmissive substrate, a plurality of optical microstructures, and a plurality of diffusion particles. The light-transmissive substrate has a first surface, a second surface, and a light incident surface. The second surface is opposite to the first surface. The light incident surface connects the first surface and the second surface. The light beam is capable of entering the light-transmissive substrate through the light incident surface. The optical microstructures are disposed on the second surface. The diffusion particles are distributed in the light-transmissive substrate, and a haze value of the light guide plate is greater than or equal to 0.4% and smaller than or equal to 80%. A backlight module using the light guide plate is also provided. | 05-24-2012 |
| 20120099082 | ILLUMINATION APPARATUS AND PROJECTION APPARATUS - An illumination apparatus including a first light emitting device, a first phosphor layer, a second light emitting device and a second phosphor layer and a beam combining element is provided. The first light emitting device is capable of providing a first light beam and the first phosphor layer is disposed on the transmission path of the first light beam. The second light emitting device is disposed opposite to the first light emitting device and for providing a second light beam, wherein the second phosphor layer is disposed on the transmission path of the second light beam. The beam combining element is disposed between the first phosphor layer and the second phosphor layer. In addition, the invention also provides a projection apparatus. | 04-26-2012 |
| 20120091306 | PROJECTION DEVICE - A projection device including a turntable module and a projection module is provided. The turntable module includes a first turntable and a second turntable. The first turntable is disposed on a surface. The second turntable is disposed on the first turntable and connected to the first turntable, and rotates relative to the first turntable by revolving along a rotation axis. The projection module is disposed on the turntable module and fixed to the second turntable. | 04-19-2012 |
| 20120032776 | ELECTRONIC SYSTEM AND METHOD OF CONTROLLING THE SAME - An electronic system and a method of controlling the same are provided. The electronic system has an electronic device and a remote controller. The electronic device has a storage unit for storing a first password. The remote controller is used to control the operations of the electronic device. When a switch module of the remote controller is pressed, the remote controller generates a power on signal. The power on signal has a power on command and a second password. When the first password and the second password are the same, the electronic device is permitted to complete a power on operation according to the power on command. Accordingly, the electronic system has an anti-theft function. | 02-09-2012 |
| 20120032046 | ADJUSTING MECHANISM AND PROJECTOR HAVING THE SAME - An adjusting mechanism adapted to adjust a position of a projection unit relative to a fixing object is provided. The adjusting mechanism includes a base, a sliding plate, a first screw, and an elastic element. The base is adapted to be fixed to the fixing object. The sliding plate is slidably disposed on the base along a first axis and adapted to be fixed to the projection unit. The first screw is fixed to the sliding plate and screwed to the base, wherein the first screw drives the projection unit to move relatively to the base along the first axis when the first screw is rotated. The elastic element is compressed between the base and the sliding plate along the first axis. | 02-09-2012 |
| 20120019785 | LIGHT SOURCE MODULE, PROJECTION APPARATUS, AND METHOD OF CONTROLLING THE SAME - A light source module, a projection apparatus, and a method of controlling the projection apparatus are provided. The projection apparatus has the light source module. The light source module has a first light source, a wavelength transforming unit, and a driver. The first light source generates a first light beam having a first wavelength according to a first pulse width modulation (PWM) signal. The wavelength transforming unit transforms the first light beam into a second light beam having a second wavelength. The driver drives the wavelength transforming unit, such that the first light beam irradiates a start position on the wavelength transforming unit when a rising edge of the first PWM signal is detected. The start position is determined by a controller. | 01-26-2012 |
| 20110292680 | LIGHT GUIDE UNIT AND LIGHT SOURCE MODULE - A light guide unit having a planar portion, a first curved portion, and a second curved portion are disclosed. The first curved portion has a first optical surface, a second optical surface, and a light incident surface connecting the first and the second optical surfaces. The planar portion has a first and a second surfaces, respectively, connected to the first and the second optical surfaces. Absolute values of slopes of the first and second optical surfaces with respect to the first and second surfaces gradually increase near to the light incident surface, respectively. The planar portion connects the first and the second curved portions having a third surface and a third optical surface, and the second surface connects the second and the third optical surfaces. An absolute value of a slope of the third optical surface with respect to the second surface gradually increases away from the first surface. | 12-01-2011 |
| 20110273628 | OPTICAL DEVICE AND PROJECTION SYSTEM - An optical device for controlling a projector is provided. The projector projects a projection image. The optical device includes a receiving module, a mode switching module, and a transmission module. The receiving module is capable of sensing a reflected signal of the projection image. The mode switching module is capable of generating a control signal to control the projector to switch from a first mode to a second mode. The transmission module is capable of transmitting the reflected signal and the control signal to the projector. A projection system including the projector and the optical device is also provided. | 11-10-2011 |
| 20110273617 | OPTICAL DEVICE AND PROJECTION SYSTEM - An optical device is capable of controlling a projector, wherein the projector is capable of wirelessly receiving an image signal from a data source, combining an identification signal into the image signal to generate a projection signal, and projecting a projection image according to the projection signal. The optical device includes an optical sensor. The optical sensor is capable of sensing the identification signal of the projection image, outputting a detection signal corresponding to the identification signal and wirelessly transmitting the detection signal to the projector. A projection system including a projector and an optical sensor is provided as well. | 11-10-2011 |
| 20110267694 | OPTICAL FILM - An optical film includes a light transmissive substrate having a first surface and a second surface opposite thereto, strip protrusions on the first surface, and protruding structures on crest lines of the strip protrusions. Each strip protrusion has two strip surfaces. Each protruding structure has a protruding end protruding from the crest line of the corresponding strip protrusion and two wing portions on the strip surfaces of the corresponding strip protrusion. Each wing portion extends from the protruding end to a place between the crest line and a valley line. A length of the protruding structure parallel to an extension direction of the crest line is L, a width of the protruding structure perpendicular to the crest line is W, and L/W≧1.2. At least one of a moiré phenomenon, a local adherence phenomenon, a scratching phenomenon, and a wearing phenomenon with other optical devices is effectively mitigated. | 11-03-2011 |
| 20110261326 | ILLUMINATION MODULE, PROJECTION APPARATUS, AND LIGHT SOURCE CONTROL METHOD - An illumination module including a light emitting element, a wavelength conversion unit, a control unit, and a determining unit is provided. The light emitting element is capable of emitting an excitation light beam. The wavelength conversion unit is disposed on a transmission path of the excitation light beam for converting the excitation light beam into a color light beam. The control unit is connected to the wavelength conversion unit and capable of driving the wavelength conversion unit to rotate and to shift relative to the excitation light beam. The determining unit is electrically connected to the control unit. When the determining unit determines that a shifting condition is satisfied, the determining unit instructs the control unit to shift the wavelength conversion unit relative to the excitation light beam, so as to change the irradiation position of the excitation light beam on the wavelength conversion unit. | 10-27-2011 |
| 20110244728 | UNIVERSAL SERIAL BUS CONNECTOR AND ADAPTOR OF THE CONNECTOR - A USB connector includes a body and first to fifth pins. The body has the same size as a type A USB connector. The first to fifth pins are disposed in the body. The first pin is adapted to be electrically connected to a power voltage. The second and the third pins are capable of transmitting a differential data signal. The fifth pin is adapted to be electrically connected to a reference voltage. The fifth pin and the fourth pin are a predetermined distance apart, so that the fourth pin is connected to the fifth pin via a ground pin of the four pins of a type A USB connector when the type A USB connector is connected to the USB connector. Furthermore, an adaptor of the USB connector is also provided. | 10-06-2011 |
| 20110242791 | LIGHT SOURCE MODULE AND WAVELENGTH CONVERSION MODULE - A light source module and a wavelength conversion module are provided. The light source module includes a first light emitting device, a reflection unit, a wavelength conversion unit, a second light emitting device and a light combination unit. The first light emitting device emits an exciting beam. The reflection unit is disposed on a transmission path of the exciting beam. The wavelength conversion unit is disposed on the reflection unit and located on the transmission path of the exciting beam. The exciting beam is obliquely incident into the wavelength conversion unit along an optical axis of the first light emitting device, and the wavelength conversion unit converts the exciting beam into a first color beam. The second light emitting device emits a second color beam. The light combination unit is disposed on transmission paths of the first color beam and the second color beam. | 10-06-2011 |
| 20110242495 | LIGHT SOURCE MODULE AND PROJECTION APPARATUS - A light source module and a projection apparatus are provided. The light source module includes a first light-emitting device, a wavelength conversion device, a second light-emitting device and a light combination device. The first light-emitting device emits an exciting beam. The wavelength conversion device is disposed on a transmission path of the exciting beam, and converts the exciting beam into a first color beam. The wavelength conversion device is suitable for moving, so that the exciting beam illuminates into different positions of the wavelength conversion device at different time. The second light-emitting device emits a second color beam. Colors of the first color beam and the second color beam are different. The light combination device is disposed on transmission paths of the first color beam and the second color beam, and combines the first color beam and the second color beam. | 10-06-2011 |
| 20110241603 | PORTABLE POWER SUPPLY DEVICE - A portable power supply device including a power storage module, a charging module, and a power supply module is provided. The power storage module is electrically connected to the charging module and is used for storing electric power. The charging module wirelessly receives energy from a first power source and charges the power storage module by using the received energy. The power supply module is electrically connected to the power storage module, and is used for wirelessly supplying electric power stored in the power storage module to a first external device. Since the portable power supply device may wirelessly receive and wirelessly output power and a power connector is eliminated, a utilization range of the portable power supply device is not limited by a length of a power line and a situation of the portable power supply device being unusable due to mismatch of the power connector may be avoided. | 10-06-2011 |
| 20110241573 | LIGHT GUIDE PLATE AND LIGHT SOURCE MODULE - A light guide plate includes a first surface, a second surface, at least a light incident surface, and a plurality of groove sets. The second surface is opposite to the first surface. The light incident surface connects the first surface and the second surface. The groove sets are separately disposed on the second surface. Each of the groove sets includes a plurality of curved grooves. Each of the curved grooves has a curved inclined reflective surface and a curved light-back-surface. The curved inclined reflective surface is inclined with respect to the first surface. The curved grooves of each of the groove sets curve towards a same curving direction. The curved inclined reflective surface of one of two curved grooves is connected to the curved light-back-surface of the other one of the two curved grooves. A backlight module is also provided. | 10-06-2011 |
| 20110228560 | BACKLIGHT MOUDLE - A backlight module includes a light guide plate (LGP) and a light emitting unit. The LGP has a first surface, a second surface, a light incident surface, a first curved convex surface, a first plane, a second curved convex surface and a second plane. The first surface has a visual area. The second surface is opposite to the first surface. The light incident surface, the first curved convex surface, the first plane, the second curved convex surface, and the second plane connects the first surface and the second surface. The light incident surface connects the first plane and the second plane. The light emitting unit is disposed beside the light incident surface for emitting a light beam, wherein the light beam is capable of entering the LGP through the light incident surface, and being transmitted out of the LGP through the visual area of the first surface. | 09-22-2011 |
| 20110228387 | BACKLIGHT MODULE, STEREO DISPLAY APPARATUS, AND BEAM SPLITTING FILM - A beam splitting film including a light transmissive plate and a plurality of strip protrusion groups is provided. The light transmissive plate has a first surface and a second surface. The strip protrusion groups are disposed on the second surface. Each of the strip protrusion groups includes a first strip protrusion and a second strip protrusion. The first strip protrusion has a first strip surface and a second strip surface inclined relative to the second surface. The second strip protrusion has a third strip surface and a fourth strip surface inclined relative to the second surface. An average slope of the first strip surface is not equal to an average slope of the third strip surface. An average slope of the second strip surface is not equal to an average slope of the fourth strip surface. A backlight module and a stereo display apparatus are also provided. | 09-22-2011 |
| 20110228235 | PROJECTOR - A projector includes a supporting frame, a light source module, and an imaging module. The light source module is fixed with the supporting frame. The light source module is adapted to provide a light beam. The light source module has an optical axis. The optical axis is substantially horizontal. The imaging module is located at an optical path of the light beam. The imaging module has a free end and a connection end opposite to the free end. The free end is adjacent to the light source module. The connection end is connected with the supporting frame. The imaging module is capable of rotating relative to the supporting frame about the optical axis, and therefore a projection location of an emitted light is changed. | 09-22-2011 |
| 20110222216 | HANDHELD ELECTRONIC DEVICE - A handheld electronic device includes a main body and a cover. The main body has a bottom surface and a side surface adjacent to each other. A strap hole is formed in the side surface of the main body. A receiving slot and an observing opening are formed in the bottom surface. The observing opening is located at an edge of the bottom surface and is aligned and communicates with the strap hole. The cover is detachably disposed on the bottom surface to cover the receiving slot and the observing opening. | 09-15-2011 |
| 20110221999 | BEAM SPLITTING FILM, BACKLIGHT MODULE, AND STEREO DISPLAY APPARATUS - A beam splitting film includes a light transmissive plate, a plurality of cylindrical lenticular lenses, and a plurality of strip-shaped protrusion groups. The light transmissive plate has a first surface and a second surface. The cylindrical lenticular lenses are disposed on the first surface. The strip-shaped protrusion groups are disposed on the second surface. Each of the strip-shaped protrusion groups includes at least two strip-shaped protrusions. Each of the strip-shaped protrusion groups corresponds to one of the cylindrical lenticular lenses. A distance between an orthographic projection of a geometric center of each of the strip-shaped protrusion groups on the first surface and an orthographic projection of a geometric center of the corresponding cylindrical lenticular lens on the first surface is less than ten times of a distance between the geometric centers of two adjacent cylindrical lenticular lenses. A backlight module and a stereo display apparatus are also provided. | 09-15-2011 |
| 20110221996 | BACKLIGHT MODULE AND STEREO DISPLAY APPARATUS - A backlight module including a beam splitting film, a light guide plate, and two light emitting elements is provided. The beam splitting film includes a light transmissive plate and multiple strip-shaped protrusion structures. Each of the strip-shaped protrusion structures has a first inclined surface group and a second inclined surface group. The first inclined surface group includes a first inclined surface and a second inclined surface with different slopes. The second inclined surface group includes a third inclined surface and a fourth inclined surface with different slopes. The light guide plate is disposed beside the beam splitting film. The two light emitting elements are respectively disposed at two opposite sides of the light guide plate and capable of flickering alternately. A stereo display apparatus is also provided. | 09-15-2011 |
| 20110211171 | LIGHT SOURCE APPARATUS AND PROJECTION DEVICE - A light source apparatus adapted to a projection device having a casing and an optical engine base is provided. The light source apparatus includes a shell, a positioning element, a frame, and a light source. The shell is adapted to be disposed in the casing and lean against the optical engine base. The positioning element is assembled to the shell and has two positioning holes. The frame is disposed in the shell and has two positioning pins, wherein the two positioning pins are inserted into the two positioning holes respectively for positioning the frame with respect to the shell. The light source is fixed to the frame. A projection device is also provided. | 09-01-2011 |
| 20110210697 | WIRELESS RECHARGEABLE BATTERY - A wireless rechargeable battery includes a housing, a circuit module, an energy storage unit, and a plurality of electrodes. The wireless rechargeable battery is adapted to be disposed on a wireless charging device to be wirelessly charged. The circuit module includes a receiving unit and a power management unit. The receiving unit is disposed in the housing and adapted to receive electric energy from the wireless charging device. The power management unit is disposed in the housing and electrically coupled to the receiving unit. The energy storage unit is disposed in the housing and electrically coupled to the power management unit. The electric energy is adapted to be inputted to the energy storage unit via the power management unit. The electrodes are disposed on the housing and electrically coupled to the power management unit. The electric energy is adapted to be outputted to the electrodes via the power management unit. | 09-01-2011 |
| 20110199789 | LIGHT SOURCE APPARATUS - A light source apparatus including a light source, an optical fiber, a light guide module, and a light shape adjustment element is provided. The light source emits a light beam. The optical fiber disposed in a transmission path of the light beam has a light incident end and a light emitting end. The light beam enters the optical fiber through the light incident end and leaves the optical fiber through the light emitting end. The light guide module has a first surface, a second surface opposite to the first surface, and a light incident surface connecting the first surface and the second surface. The light beam from the light emitting end enters the light guide module through the light incident surface. The light shape adjustment element is connected to the light guide module and capable of changing a light shape of an emitted light from the light guide module. | 08-18-2011 |
| 20110188006 | ILLUMINATION MODULE AND PROJECTOR - An illumination module includes a light source, a supporting element, a guiding tube and an airflow generator. The supporting element is fixed relative to the light source. The guiding tube is pivoted to the supporting element and adjacent to the light source. The guiding tube is capable of moving between a first position and a second position relative to the light source. The airflow generator has an airflow outlet and is capable of generating an airflow. The airflow outlet is adjacent to the guiding tube. The airflow flows into the light source through the guiding tube. The invention also provides a projector with the illumination module. | 08-04-2011 |
| 20110176315 | BRIGHTNESS ENHANCEMENT SHEET - A brightness enhancement sheet including a light transmissive substrate, a plurality of strip prisms, and a plurality of protruding structures is provided. The light transmissive substrate has a first surface and a second surface opposite to the first surface. The strip prisms are disposed on the first surface. Each of the strip prisms has two prism surfaces, and a junction of the two prism surfaces forms a crest line, and a valley line is formed between each of the two adjacent strip prisms. Each of the protruding structures has two wing portions. The two wing portions are respectively disposed on two prism surfaces of the corresponding strip prism. A junction of the two wing portions forms a protruding end. The protruding end protrudes from the crest line of the corresponding strip prism. Each of the wing portions extends from the protruding end to the valley line. | 07-21-2011 |
| 20110157914 | BACKLIGHT MODULE - A backlight module includes a light guide plate, a reflecting unit, two light emitting units, and two light absorbing units. The light guide plate has a first surface, a second surface opposite to the first surface, and two light incident surfaces connecting the first surface and the second surface. The two light incident surfaces are respectively located at two adjacent corners of the light guide plate. The reflecting unit is disposed on the second surface. The two light emitting units are respectively disposed beside the two light incident surfaces. Light beams emitted by the two light emitting units are capable of entering the light guide plate respectively through the two light incident surfaces and being transmitted out of the light guide plate through the first surface. The light absorbing units are disposed between the second surface and the reflecting unit and are respectively adjacent to the two light incident surfaces. | 06-30-2011 |
| 20110157565 | LIGHT-EMITTING DEVICE AND PROJECTOR - A light-emitting device includes a circuit board, a light-emitting element, a light-condensing element, and a glue. The circuit board has through holes, a first surface, and a second surface. The through hole has a first pathway and a second pathway. The first pathway extends from the first surface into the circuit board. The second pathway extends from the second surface into the circuit board and communicates with the first pathway. An accommodating space of the second pathway is greater than that of the first pathway. The light-emitting element is disposed on and electrically connected to the first surface. The light-condensing element has positioning posts. A portion of the light-condensing element is disposed on the light-emitting element. The positioning post passes through the first pathway and is located inside the second pathway. The glue is disposed in the second pathway for fixing the positioning posts in the through hole. | 06-30-2011 |
| 20110148818 | OPTICAL TOUCH DISPLAY APPARATUS - An optical touch display apparatus includes the following. A light distribution adjustment device is disposed in a transmission path of a visible beam emitted by a visible light emitting device. A non-visible light guide module includes a light guide unit and a dichroic unit. A light guide unit is disposed in the transmission path of the visible beam from the light distribution adjustment device. The dichroic unit is disposed on a surface of the light guide unit. A non-visible light emitting device is disposed beside a side surface of the light guide unit. A display panel is disposed beside the light distribution adjustment device. A sensing space is located in front of the display panel, and the display panel is disposed between the light distribution adjustment device and the sensing space. An optical detector is disposed outside the display panel. | 06-23-2011 |
| 20110148816 | OPTICAL TOUCH DISPLAY APPARATUS - An optical touch display apparatus including a backlight module, a display panel, and at least an optical detector is provided. The backlight module is capable of providing a visible beam and an invisible beam. The display panel is disposed at one side of the backlight module. A sensing space is located in front of the display panel, and the display panel is located between the backlight module and the sensing space. The visible beam and the invisible beam are capable of passing through the display panel and then being transmitted to the sensing space. The optical detector is disposed outside the display panel for sensing the invisible beam from the sensing space. | 06-23-2011 |
| 20110141718 | BRIGHTNESS ENHANCEMENT FILM AND BACKLIGHT MODULE - A brightness enhancement film including a light transmissive substrate, convex lens portions, concave lens portions, and a reflective layer is provided. The light transmissive substrate has a first surface and a second surface opposite to the first surface. The convex lens portions are disposed on the first surface. Each of the convex lens portions has a curved convex surface facing away from the light transmissive substrate. The concave lens portions are disposed on the first surface. The convex lens portions and the concave lens portions are alternately arranged. Each of the concave lens portions has a curved concave surface facing away from the light transmissive substrate. A wavy continuous curve surface is formed by the curved convex surfaces and the curved concave surfaces. The reflective layer is disposed on the second surface and has light passing openings respectively on the optical axes of the convex lens portions. | 06-16-2011 |
| 20110128504 | ADJUSTMENT DEVICE AND PROJECTOR HAVING THE SAME - An adjustment device for adjusting an angle of a dichroic mirror of a projector with respect to an optical engine base of the projector is disclosed. The dichroic mirror is pivotably mounted to the optical engine base. The adjustment device includes a link and an eccentric screw. The link has a first end and a second end. The first end is adapted to be fixedly mounted to the dichroic mirror. The second end has an opening. The eccentric screw is adapted to extend through the opening to be screwed to the optical engine base. The eccentric screw includes an eccentric section disposed within the opening. The eccentric section pushes the link such that the link drives the dichroic mirror to pivot with respect to the optical engine base upon rotating of the eccentric screw. A projector including the adjustment device is also disclosed. | 06-02-2011 |
| 20110128256 | LIGHT GUIDE APPARATUS AND OPTICAL TOUCH DISPLAY APPARATUS - A light guide apparatus is adapted to a touch display apparatus. The touch display apparatus has a display area. The light guide apparatus includes a plurality of light guide units and a plurality of light sources. The light guide units are disposed beside a first side of the display area. Each of the light guide units has a light incident surface, and a space is between each two adjacent light guide units. The light sources are disposed beside the light incident surfaces of the light guide units. Each of the light sources is capable of providing a beam. The beam is capable of entering the light guide unit through the light incident surface and is capable of being transmitted to an external environment from the light guide unit. An optical touch display apparatus is also provided. | 06-02-2011 |
| 20110128255 | LIGHT SOURCE MODULE AND OPTICAL TOUCH APPARATUS - A light source module includes a light source, a light guide unit, an opaque reflective element, a reflective unit, and a patterned light-absorbing element. The light guide unit has first and second surfaces, a light incident surface, and third and fourth surfaces. A beam from the light source enters the light guide unit through the light incident surface and is transmitted to outside through the first surface. The opaque reflective element covers a portion of the first surface adjacent to the light incident surface. The patterned light-absorbing element is disposed on a surface of the reflective unit. A portion of the patterned light-absorbing element is between a portion of the third surface adjacent to the light incident surface and the reflective unit. Another portion of the patterned light-absorbing element is between a portion of the fourth surface adjacent to the light incident surface and the reflective unit. | 06-02-2011 |
| 20110127840 | POWER SWITCHING DEVICE AND METHOD THEREOF, AND PROJECTION DEVICE USING THE POWER SWITCHING DEVICE - A power switching device, a power switching method, and a projection device using the power switching device are provided. In the power switching method, a first power and a second power are received, and the voltage level of the first power is compared with the voltage level of the second power. One of the first power and the second power having the higher voltage level is sustained by using one of the first power and the second power having the lower voltage level until one of the first power and the second power having the higher voltage level stabilizes. At least one of the first power and the second power having the higher voltage level and being already stabilized is output as an output voltage. | 06-02-2011 |
| 20110122097 | OPTICAL TOUCH APPARATUS - An optical touch apparatus includes a light source capable of emitting a beam, a light guide unit disposed in a transmission path of the beam, and an optical detector. The light guide unit includes a light guide body having a first surface, a second surface, a third surface, a fourth surface, and a scattering structure disposed on at least one of the second surface, the third surface, and the fourth surface. The beam is capable of entering the light guide body, being scattered to the first surface by the scattering structure, and then being transmitted to a sensing space. The scattering structure includes separated scattering patterns including a resin composition and scattering particles dispersed in the resin composition. The ratio of the weight percentage of the scattering particles to the weight percentage of the resin composition is equal to or greater than 0.1. | 05-26-2011 |
| 20110122095 | TOUCH DISPLAY APPARATUS AND BACKLIGHT MODULE - A touch display apparatus including a light guide plate, a light emitting module, a display panel, a plurality of prism structures, an image transmission unit, and an image detector is provided. The light guide plate has a first surface, a second surface opposite to the first surface, and a light incident surface connecting the first surface and the second surface. The light emitting module includes at least one visible light source and at least one invisible light source. The prism structures are disposed between the first surface and the display panel. The image transmission unit includes a wedge portion and a light guide portion. The wedge portion is disposed between the prism structures and the display panel. The image detector is disposed beside the light guide portion for receiving the invisible light beam from the light guide portion. A backlight module is also provided. | 05-26-2011 |
| 20110122094 | OPTICAL TOUCH APPARATUS AND OPTICAL TOUCH DISPLAY APPARATUS - An optical touch apparatus includes a light source, light guide unit, and optical detector. The light source next to the display area emits a beam. The light guide unit next to the display area and in the transmission path of the beam includes a light guide body and a Lambertian scattering structure. The light guide body has first, second, third, fourth, and light incident surfaces. The beam enters the light guide body through the light incident surface and is transmitted from the first surface to a sensing space in front of the display area. The Lambertian scattering structure is disposed on at least one of the second, third, and fourth surfaces for scattering the beam to the first surface. The optical detector next to the display area senses a change in light intensity of the beam in the sensing space. An optical touch display apparatus is also provided. | 05-26-2011 |
| 20110116285 | BACKLIGHT MODULE - A backlight module includes a light guide plate, an optical film set, and at least one light emitting element. The light guide plate has a first light-emitting surface, a bottom surface, and a first light incident surface. The optical film set on the first light-emitting surface includes at least one optical film having a second light incident surface, a second light-emitting surface, and a side surface. The side surface of the optical film and the first light incident surface of the light guide plate are at the same side, and at least one notch is disposed on the side surface. The light emitting element is adjacent to the first light incident surface and capable of emitting a light beam. The light beam is capable of entering the light guide plate through the first light incident surface and being transmitted to the optical film set via the first light-emitting surface. | 05-19-2011 |
| 20110115993 | LIQUID CRYSTAL GLASSES, PROJECTION DISPLAY SYSTEM AND CONTROL METHOD THEREOF - A projection display system includes a glasses system, a driving unit and a projection apparatus. The driving unit is electrically connected to the glasses system for repeatedly applying or removing a voltage to/from the glasses system. The projection apparatus includes an illumination system and a color wheel. The color wheel is in a transmission path of a light beam provided by the illumination system. The color wheel has a compensation zone and a plurality of color zones. When the color wheel is rotated, the compensation zone and the color zones sequentially pass through the light beam. The compensation zone has first, second and third sub compensation zones. A time for the first sub compensation zone passing through the light beam is substantially equal to a time for the third sub compensation zone passing through the light beam. A liquid crystal glasses and a control method are also provided. | 05-19-2011 |
| 20110113272 | PROJECTOR AND POWER CONTROL METHOD THEREOF - A projector and a power control method thereof are provided. The projector includes a battery supplying a battery power; an interface receiving and transmitting an external power; a selection unit receiving the battery power and the external power, and selecting and outputting one of the battery power and the external power to be served as the operation voltage of the projector; a lighting element; a driver receiving a driving signal and driving the lighting element accordingly; and a central processing unit (CPU) outputting a control signal with a first state to control the selection unit to select and output the external power when the capacity of the battery is not sufficient and the interface receives the external power, and regulating the intensity of the driving signal outputted from the CPU according to the capacity of the external power so as to make the projector continuously maintain in operation. | 05-12-2011 |
| 20110109885 | PROJECTOR AND LENS COLLAR MODULE THEREOF - A projector includes a casing, a light source disposed in the casing and capable of providing an illumination beam, a light valve disposed in the casing and capable of converting the illumination beam into an image beam, a lens disposed in the casing and adapted to project the image beam, and the lens collar module. The lens collar module includes a fitting part and a lens collar. The fitting part is formed on the casing, and has a fitting opening and a first bump. The lens collar has a fitting periphery and a second bump. The fitting periphery is fitted to the fitting opening, the lens collar is adapted to be rotated and translated relative to the casing along an axial direction. Engagement of the first bump and the second bump limits rotation and translation of the lens collar relative to the casing along the axial direction. | 05-12-2011 |
| 20110102745 | STEREO DISPLAY APPARATUS - A stereo display apparatus includes a support member, at least one projector, a screen, first reflectors, and an actuator. The projector is connected to the support member, and includes a battery and an image memory module. The projector is capable of emitting an image beam. The screen is connected to the support member. The first reflectors surround the support member. The actuator is connected to the support member and is capable of driving the support member to rotate. The support member is capable of driving the projector and the screen to rotate. When the projector and the screen rotate, the image beam is projected onto the first reflectors in sequence, and the first reflectors reflect the image beam onto the screen in sequence. | 05-05-2011 |
| 20110102377 | OPTICAL TOUCH APPARATUS AND DRIVING METHOD - An optical touch apparatus including a first light emitting device, a second light emitting device, a third light emitting device, a fourth light emitting device, a first image detector, a second image detector, and a control unit is provided. The control unit controls the average brightness of the third light emitting device less than each of the average brightness of the second light emitting device and the fourth light emitting device when the control unit controls the first image detector to detect an image. The control unit controls the average brightness of the second light emitting device less than each of the average brightness of the first light emitting device and the third light emitting device when the control unit controls the second image detector to detect an image. A driving method is also provided. | 05-05-2011 |
| 20110096566 | BACKLIGHT MODULE - A backlight module includes a light guide plate, micro-structures, at least one light source, and a first prism sheet. The light guide plate includes a first surface, a second surface, and a light incident surface connecting the first surface and the second surface. The micro-structures are disposed on at least one of the first surface and the second surface. The light source is disposed beside the light incident surface and capable of emitting a light beam. The first prism sheet includes a first transparent substrate and first prism structures. The first surface is located between the second surface and the first transparent substrate. The first transparent substrate is disposed among the first surface and the first prism structures. Each first prism structure has a first vertex angle protruding away from the first transparent substrate, and the first vertex angle falls within a range of 67 degrees to 83 degrees. | 04-28-2011 |
| 20110096557 | LIGHT SOURCE MODULE - A light source module is adapted for a projection apparatus. The projection apparatus has a main board. The light source module includes a base, a lighting element, a flexible printed circuit, and a plurality of metal elastic elements. The base has a circuit layer. The lighting element is disposed on the base and electrically connected to the circuit layer. The flexible printed circuit is assembled on the base and electrically connected to the circuit layer. The metal elastic elements are adapted for being fixed to the main board to be contacted with the flexible printed circuit, such that the flexible printed circuit is electrically connected to the main board. The lighting element of the light source module is electrically connected to the main board via the flexible printed circuit and the metal elastic elements, such that a wiring space between the light source module and the main board is reduced. | 04-28-2011 |
| 20110085146 | PROJECTION SYSTEM, PROJECTION APPARATUS, AND IMAGING MODULE - A projection system including a light valve, a lens, an arc reflector, and an arc screen is provided. The light valve is capable of providing an image beam. The lens is disposed in the transmission path of the image beam. The arc reflector has an arc reflective surface. The arc reflective surface is disposed in the transmission path of the image beam from the lens, so as to reflect the image beam. The arc reflective surface is curved in a first direction and not curved in a second direction substantially perpendicular to the first direction. The arc screen is disposed in the transmission path of the image beam reflected by the arc reflective surface. The arc screen is curved in the first direction and not curved in a third direction substantially perpendicular to the first direction. A projection apparatus and an imaging module are also provided. | 04-14-2011 |
| 20110080374 | OPTICAL TOUCH APPARATUS, OPTICAL TOUCH DISPLAY APPARATUS, AND LIGHT SOURCE MODULE - An optical touch apparatus includes at least one light source, at least one light guide unit, at least one optical detector, and a light reducing structure. The light source is disposed beside a display area of a display and capable of providing a light beam. The light guide unit is disposed beside the display area and in a transmission path of the light beam. The light guide unit has a first surface, a second surface, and a light incident surface. The light beam is capable of entering the light guide unit through the light incident surface and being transmitted to a sensing space in front of the display area through the first surface. The optical detector is disposed beside the display area. The light reducing structure covers a portion of the first surface adjacent to the light incident surface. | 04-07-2011 |
| 20110069249 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY APPARATUS - A backlight module includes a lighting unit and a brightness enhancement sheet. The brightness enhancement sheet is disposed beside the lighting unit. The brightness enhancement sheet includes a light-transmissive substrate, a plurality of lenses, a reflective layer, and a diffusion layer. The light-transmissive substrate has a first surface and a second surface opposite to the first surface. The first surface is located between the second surface and the lighting unit. The lenses are disposed on the first surface. The reflective layer is disposed on the second surface. The reflective layer has a plurality of light-transmissive openings respectively located on the optical axes of the lenses. The diffusion layer is disposed on the reflective layer and covers the light-transmissive openings. The reflective layer is disposed between the diffusion layer and the second surface. A liquid crystal display apparatus is also provided. | 03-24-2011 |
| 20110069248 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) includes an outer cover, a backlight module, a liquid crystal panel, and a bezel. The backlight module includes a reflection sheet, a light guide plate (LGP), an edge reflector, and a light source. The reflection sheet is disposed on the outer cover and faces the outer cover. There is an interval between the outer cover and the reflection sheet. The LGP is stacked on the reflection sheet and the edge reflector is disposed on the outer cover, wherein a containing space is defined by the outer cover and the edge reflector. The light source is disposed in the containing space. The liquid crystal panel is stacked on the LGP. The bezel is assembled to the outer cover. The outer cover and the bezel enclose the backlight module and the liquid crystal panel and the bezel exposes the liquid crystal panel. | 03-24-2011 |
| 20110058389 | BRIGHTNESS ENHANCEMENT FILM AND BACKLIGHT MODULE - A brightness enhancement film (BEF) includes a light transmissive substrate, a plurality of optical structures, a reflective layer, and a prism layer. The light transmissive substrate has a first surface and a second surface opposite to the first surface. The optical structures are disposed on the first surface. The reflective layer is disposed on the second surface and has a plurality of light transmissive openings. The prism layer covers the reflective layer and the second surface and includes a plurality of prism structures protruded away from the second surface. A backlight module is also provided. | 03-10-2011 |
| 20110051103 | LENS-ADJUSTING MODULE - A lens-adjusting module includes a base, a lens device, a second tray, and an adjusting device. The lens device includes a first tray and a lens being fixed to and contacting the first tray. The first and the second trays are movably disposed on and contact the base. The first tray is movably disposed on the second tray and located between the second tray and the base. The adjusting device includes a first lever and a second lever pivoted to the base. A part of the first lever and a part of the second lever are slidingly disposed on the first tray. The first lever rotates to drive the first and the second trays to move relatively to the base along a first axis. The second lever rotates to drive the first tray to move relatively to the second tray and the base along a second axis. | 03-03-2011 |
| 20110051099 | ADJUSTING MECHANISM, PROJECTOR, ELECTRONIC WHITEBOARD, AND ADJUSTING METHODS OF PROJECTOR AND ELECTRONIC WHITEBOARD - An electronic whiteboard includes a projection unit, an adjusting mechanism, and a projection screen. The adjusting mechanism includes a fixing base, a rotary plate, and a first screw. The fixing base is adapted to be fixed to a fixing object. The rotary plate is pivotally connected to the fixing base, and is ball jointed to the projection unit. The first screw is locked on the rotary plate, and is ball jointed to the projection unit. The first screw drives the projection unit to rotate relatively to the rotary plate along a first axis when the first screw is rotated. The projection screen is adapted to be fixed to the fixing object. The projection unit is capable of projecting an image beam onto the projection screen. | 03-03-2011 |
| 20110050646 | OPTICAL TOUCH APPARATUS AND OPTICAL TOUCH DISPLAY APPARATUS - An optical touch apparatus is adapted to a display apparatus. The optical touch apparatus includes at least one light source, at least one light guide unit, and at least one optical detector. The light source is disposed beside a display area of the display apparatus and capable of providing a light beam. The light guide unit is disposed beside the display area in a transmission path of the light beam and has a first surface, a second surface opposite to the first surface, and a light incident surface. The light incident surface connects the first and second surfaces. The light beam is capable of entering the light guide unit through the light incident surface and is transmitted to a sensing space in front of the display area. The optical detector is disposed beside the display area to sense an intensity variation of the light beam in the sensing space. | 03-03-2011 |
| 20110044072 | BACKLIGHT MODULE AND LIGHT GUIDE UNIT - A light guide unit includes a light transmissive base, a plurality of scattering particles, and a plurality of reflective particles. The light transmissive base includes a scattering region and a reflective region. The scattering region has a light emitting surface, a boundary surface, and a light incident surface. The reflective region includes a lamp cover portion and a bottom portion. The lamp cover portion is disposed beside the light incident surface. The bottom portion is disposed at one side of the boundary surface and connected with the scattering region through the boundary surface. The light transmissive base is integrally formed. The scattering particles are doped in the scattering region, and the reflective particles are doped in the reflective region. The number density of the scattering particles in the scattering region is less than that of the reflective particles in the reflective region. A backlight module is also provided. | 02-24-2011 |
| 20110037923 | LIGHT CONDENSING FILM, BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY - A light condensing film includes a reflective unit, a light-transmissive substrate, a plurality of lenses, and a plurality of refractive units. The reflective unit has a plurality of holes passing through the reflective unit, wherein the holes are distributed at the reflective unit. The light-transmissive substrate is disposed on the reflective unit. The lenses are disposed on the light-transmissive substrate. Moreover, the lenses respectively cover the holes of the reflective unit, and the light-transmissive substrate is disposed between the reflective unit and each of the lenses. The refractive units are disposed on the light-transmissive substrate and distributed among the lenses. The light-transmissive substrate is disposed between the reflective unit and each of the refractive units. Each of the refractive units has a light refraction plane surface. A backlight module and a liquid crystal display are also provided. | 02-17-2011 |
| 20110019435 | Brightness enhancement film and backlight module - A brightness enhancement film (BEF) includes a substrate, a prism layer, a connection structure layer, and a micro lens layer. The prism layer is disposed on the substrate, the micro lens layer is disposed above the prism layer, and the connection structure layer is disposed between the prism layer and the micro lens layer. The prism layer includes a plurality of prisms. Each of the prisms includes a plurality of prism units. The micro lens layer includes a plurality of micro lens units. The connection structure layer includes a plurality of connection structure units. Each of the connection structure units connects the prism unit and the micro lens unit. A side surface of each of the connection structure units is a curved surface, and the curved surface extends from the micro lens unit to the prism unit. A backlight module including the brightness enhancement film is also provided. | 01-27-2011 |
| 20100309682 | Brightness enhancement film and backlight module - A brightness enhancement film (BEF) includes a light transmissive substrate having a first surface and a second surface, a plurality of lenses disposed on the first surface, and a reflective layer. Each of the lenses has a curved protruding surface facing away from the light transmissive substrate. The radius of curvature of the curved protruding surface in a first direction parallel to the first surface is R | 12-09-2010 |
| 20100302800 | Back light module and light guide plate thereof - A light guide plate adapted to a backlight module is provided. The backlight module has a plurality of point light sources providing a light beam of a predetermined wavelength. The light guide plate includes a light emitting surface, a bottom opposite to the light emitting surface, a light incident surface connecting the light emitting surface and the bottom, a plurality of grating structures, and a plurality of diffusion dots. The light incident surface is near the point light sources. The diffusion dots are disposed on the bottom. At least portions of the grating structures are disposed on the light incident surface. Each of the grating structures has a plurality of concave parts and a plurality of protruding parts. Each of the concave parts is disposed between two neighboring protruding parts. A ratio of the predetermined wavelength to a pitch between two neighboring protruding parts is ranged between 1.2 to 1.3. | 12-02-2010 |
| 20100290252 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate capable of guiding a light beam from a light emitting device and a backlight module using the light guide plate are provided. The light guide plate includes a light-transmissive substrate and optical structures. The light-transmissive substrate has a first surface, an opposite second surface, and an incident surface connecting the first and the second surface. The light beam enters the light-transmissive substrate through the incident surface and is emitted out of the light-transmissive substrate through the first surface. The optical structures are disposed on the second surface. Each optical structure has a first total internal reflection (TIR) surface, a second TIR surface, and a third TIR surface. The second TIR surface connects the first and third TIR surfaces. Part of the light beam from the incident surface is totally internally reflected by any adjacent two of the first, second, and third TIR surfaces in sequence. | 11-18-2010 |
| 20100283977 | ILLUMINATION SYSTEM AND ILLUMINATION CONTROL METHOD - An illumination system adapted to a projection apparatus is provided, including a light source module, a light color modulating module, and a control unit. The light color modulating module has a plurality of light color modulating units and is disposed in a transmission path of a light beam. The light color modulating module is capable of moving so that the light color modulating units move into the illumination region of the light beam. When the control unit determines that a boundary of any two adjacent light color modulating units has moved into the illumination region of the light beam, the control unit switches the light source module to an off-state. When the boundary of any two adjacent light color modulating units has moved away from the illumination region of the light beam, the control unit switches the light source module to an on-state. An illumination control method is also provided. | 11-11-2010 |
| 20100279189 | Fuel cell system - A fuel cell system having uniform temperature field, includes at least one fuel cell stack. The fuel cell stack includes a housing, a fuel cell module, and an air guiding device. The housing defines an internal receiving space, and has an air outlet zone and at least two air inlet zones. The fuel cell module is disposed in the receiving space and includes a plurality of membrane electrode assemblies are disposed at intervals along a first sidewall toward a second sidewall on a plane of the receiving space of the housing. Each of the membrane electrode assemblies corresponds to at least one of the air inlet zones. The air guiding device is disposed on of the housing for generating airflows via the air inlet zones into the housing. The airflows flow along cathode surfaces of the membrane electrode assemblies and finally flow out of the housing via the air outlet zone. | 11-04-2010 |
| 20100277949 | Light guide plate and backlight module - A light guide plate adapted to guide a beam emitted from at least one light emitting device and including a light transmissive substrate and a plurality of optical structures is provided. The light transmissive substrate has a light emitting surface, a bottom surface opposite to the light emitting surface, and a light incident surface connecting the light emitting surface and the bottom surface. The beam from the light emitting device enters the light transmissive substrate through the light incident surface and is emitted out. The optical structures are disposed on the bottom surface and each of the optical structures has a first total internal reflection (TIR) surface and a second TIR surface. A part of the beam from the light incident surface is totally internally reflected by the first TIR surface and the second TIR surface in sequence. A backlight module using the light guide plate is also provided. | 11-04-2010 |
| 20100255425 | Fabrication method of brightness enhancement film - A fabrication method of a brightness enhancement film (BEF) including the following steps is provided. A light transmissive substrate is provided and has a first surface and a second surface opposite to the first surface. Then, a plurality of first rod-shaped lenses are formed on the first surface. The rod-shaped lenses extend along a first direction and are arranged along a second direction. After that, a plurality of second stripe-shaped prisms are formed on the second surface. The stripe-shaped prisms extend along the second direction and are arranged along the first direction. Next, an electromagnetic wave beam is made to pass through the rod-shaped lenses, the light transmissive substrate and the stripe-shaped prisms in sequence. A first portion of each of the stripe-shaped prisms exposes and leaves a second portion of each of the stripe-shaped prisms unexposed. Then, the second portions of the stripe-shaped prisms are removed. | 10-07-2010 |
| 20100254159 | BRIGHTNESS ENHANCEMENT FILM AND BACKLIGHT MODULE - A brightness enhancement film (BEF) including a first surface, a second surface, and a side surface is provided. The first surface is a curved surface continuously fluctuant in two dimensions and includes a plurality of axisymmetric convex surfaces and a plurality of non-axisymmetric concave surfaces. Each of the axisymmetric convex surfaces is a curved surface. The axisymmetric convex surfaces and the non-axisymmetric concave surfaces are arranged alternately in the two dimensions and respectively form a plurality of wave crests and a plurality of wave troughs. Each of the non-axisymmetric concave surfaces is a curved surface. The second surface is opposite to the first surface and the side surface connects the first surface and the second surface. In addition, a backlight module employing the BEF is also provided. | 10-07-2010 |
| 20100244058 | Light emitting diode package - A light emitting diode package includes a substrate, a plurality of light emitting diode chips, a fluorescence layer, and a plurality of reflecting layers. The light emitting diode chips, the fluorescence layer, and the reflecting layers are disposed on the substrate. The fluorescence layer covers the light emitting diode chips, and the reflecting layers are disposed right above the light emitting diode chips, respectively. | 09-30-2010 |
| 20100231869 | Illuminating system and brightness control apparatus thereof - A brightness control apparatus applied to an illuminating system of a projector includes a plate and a slot portion. The slot portion is formed in the plate for a light beam of the illuminating system passing through. The slot portion has two opposite edges located at two sides of an arc locus. The center of the arc locus is a rotating center of the plate. The distance between the two edges of the slot portion is changed with the arc locus. The arc locus has a start point and an arbitrary point which are relative to the center of the arc locus, so as to form a central angle. The mathematics relationship between the distance of the two edges at the arbitrary point and the central angle is a polynomial function. The degree of the term with the highest degree is equal to or more than six. | 09-16-2010 |
| 20100211913 | Key control system and method - A key control system disposed in a display apparatus includes a hierarchical menu, a power key, and a key module. The hierarchical menu includes a first layer menu and a second layer menu. The first layer menu has an item corresponding to the second layer menu. The power key is adapted to turn on the power supply of the display apparatus. The key control system is used to execute a key control method includes steps of defining the function of the power key as opening the first layer menu of the hierarchical menu after the power supply is turned on; defining the function of the key module as selecting the item of the first layer menu when the first layer menu is opened; and defining the function of the power key as opening the second layer menu after the item of the first layer menu is selected. | 08-19-2010 |
| 20100195325 | DYNAMIC MASK AND ILLUMINATION SYSTEM - A dynamic mask adapted to an illumination system is provided. The illumination system includes at least one light source capable of emitting an illumination beam. The dynamic mask includes a board disposed in a transmission path of the illumination beam for adjusting a luminous flux of the illumination beam. The board has at least one strip-shaped opening. The strip-shaped opening has a first end and a second end opposite to the first end. The strip-shaped opening is mirror-symmetric with respect to a symmetrical axis, and the symmetrical axis is a straight line extending from the first end to the second end. A width of the strip-shaped opening increases from the first end to the second end, and the board is capable of moving along a direction parallel to the symmetrical axis. An illumination system using the dynamic mask is also provided. | 08-05-2010 |
| 20100141899 | Projection apparatus - A projection apparatus includes a housing, a connector, a control module, and an optical module. The housing provides a battery chamber. An interface aperture is inside the battery chamber. The connector is disposed in the housing and provides a signal transmitting interface located in the interface aperture inside the battery chamber. The control module includes an error-detecting circuit and a microprocessor. The error-detecting circuit is electrically connected to the signal transmitting interface and the microprocessor, and the microprocessor is electrically connected to the signal transmitting interface through the error-detecting circuit. The optical module is disposed in the housing and electrically connected to the control module. | 06-10-2010 |
| 20100123879 | LIGHT SOURCE MODULE - A light source module adapted to be used in a projection apparatus includes a first LED device, a second LED device, and a light switching element. The first LED device emits a first light beam along a first light path during a first time period. The second LED device emits a second light beam along a second light path during a second time period. The light switching element is disposed at an intersection of the first light path and the second light path for permitting one of the first light beam along the first light path and the second light beam along the second light path to be transmitted along a third light path. | 05-20-2010 |
| 20100110725 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate (LGP) including a first surface, a second surface, a light incident surface and a plurality of optical micro-structures is provided. The first surface is opposite to the second surface. The light incident surface connects the first surface and the second surface. The optical micro-structures are disposed on the second surface and include a plurality of round protrusive points and a plurality of curved protrusions. The curved protrusions are disposed among the round protrusive points. Each of the curved protrusions has a first arc side and a second arc side opposite to the first arc side, and an indentation of the first arc side and an indentation of the second arc side are substantially towards a same direction. In addition, a backlight module employing the above-mentioned LGP is also provided. | 05-06-2010 |
| 20100103514 | Projection screen - A projection screen is adapted to reflect the projection light generated by a projector. The projection screen includes a light absorbing layer, a light reflection layer connected adjacently to the light absorbing layer, and a light transparent layer. The light transparent layer is disposed on the light absorbing layer and the light reflection layer, and has a total reflection surface, a light emitting surface, and a light incident surface connected adjacently to the total reflection surface. The light incident surface provides a theoretical light convergence point, and the light convergence point and the location of the light reflection layer are in mirror symmetry relative to the total refection surface. The projection light enters into the light transparent layer through the light incident surface for refraction, and travels to the total reflection surface for totally reflection, and then to the light reflection layer for reflecting to the light emitting surface. | 04-29-2010 |
| 20100103513 | Projection screen - A projection screen includes a reflection layer, a light absorbing structure, a plurality of light diffusion layers, and a lens structure. The light absorbing structure is disposed on the reflection layer and has a plurality of apertures. A part of the reflection layer is exposed via the apertures. The light diffusion layers have a first index of refraction. Each of the light diffusion layer is disposed in the corresponding aperture and contacts the corresponding reflection layer exposed via the corresponding aperture. The lens structure is disposed on the light diffusion layers and the light absorbing structure. A light incidence side of the lens structure includes a plurality of convex lenses. The convex lenses are respectively corresponding with the light diffusion layers. The lens structure has a second index of refraction, and the second index of refraction is smaller than the first index of refraction. | 04-29-2010 |
| 20100103384 | PROJECTION APPARATUS - A projection apparatus adapted to be disposed on a surface and adapted to project an image frame onto the surface is provided. The projection apparatus includes a housing, an optical engine, a projection lens, a containing sink, an extension rod, and a curved surface reflection device. The optical engine is disposed in the housing, and capable of providing an image beam. The projection lens is disposed in the transmission path of the image beam. The containing sink is disposed on the housing and has a containing space. The extension rod is movably connected to the containing sink. The curved surface reflection device is pivotally connected to the extension rod. The extension rod and the curved surface reflection device are adapted to be contained in the containing space. The curved surface reflection device has a curved reflective surface capable of reflecting the image beam to the surface. | 04-29-2010 |
| 20100091366 | Screen of projector - A screen of a projector having a substrate and a plurality of asymmetric optical structures is provided. There is a plurality of light absorbing zones and a plurality of reflective zones alternatively disposed on a surface of the substrate facing the projector. The asymmetric optical structures are disposed on the surface of the substrate and correspond to the reflective zones, respectively. The asymmetric optical structure has a first curved surface and a second curved surface, and the first curved surface protrudes toward the projector for converging an incident light from the projector on the reflective zone, and the second curved surface is disposed at a side of the first curved surface away from the projector for refracting a reflective light from the reflective zones toward the normal direction of the surface of the substrate. | 04-15-2010 |
| 20100091365 | Screen - A screen adapted to a projection device having a transparent layer, a plurality of light-mixing chambers, and a plurality of lens structures is provided. The light-mixing chambers are located on a back surface of the transparent layer away from the projection device. The lens structures are disposed on a front surface of the transparent layer facing towards the projection device and corresponding to the light-mixing chambers respectively. The size of the opening of the light-mixing chamber is smaller than the size of the bottom surface of the corresponding lens structures. The lens structure is adapted to refract a light beam from the projection device, and the opening of the corresponding light-mixing chamber is adapt to allow the light beam pass through, such that the corresponding light-mixing chamber is adapted to concentrate the light beam therein and transform the light beam into a light beam projected out of the screen. | 04-15-2010 |
| 20100085705 | Keyboard set having a micro projector - A keyboard set includes a keyboard unit, and a micro projector. The keyboard unit has a first housing, a video signal port and a first lock structure. The video signal port and the first lock structure are disposed in the first housing. The micro projector has a second housing, a signal line, and a second lock structure. The signal line is connected to the video signal port of the keyboard unit. The second lock structure is disposed on the second housing, and capable of combining with the first lock structure, for the micro projector to be fixed to the keyboard unit. | 04-08-2010 |
| 20100073581 | PROJECTION SYSTEM AND EXPANSION MODULE - A projection system and an expansion module adapted to a projector are provided. The projection system includes a projector and an expansion module. The expansion module includes a housing, a logic circuit, and an output port. The logic circuit is disposed in the housing to control an operation of the expansion module. The output port is disposed in the housing and coupled to the logic circuit. The output port is connected to an input port of the projector and outputs a data stream to the input port, such that the projector generates an image and projects the image according to the data stream. | 03-25-2010 |
| 20100071199 | ASSEMBLING MECHANISM - An assembling mechanism for assembling a lens module of a projector to an optical engine base of the projector includes a supporting stage fixed to the optical engine base, a supporting flange fixed to the lens module, a first fastener fixed to the optical engine base, a second fastener selectively engaged with the first fastener and disposed on the lens module around an axis, a first electrical connector fixed to the optical engine base, and a second electrical connector selectively coupled with the first electrical connector and disposed on the lens module. When the supporting flange contacts against the supporting stage and then the second fastener is engaged with the first fastener, the displacement of the supporting flange along the axis and the rotation of the supporting flange about the axis relative to the supporting stage are limited, and the first electrical connector is coupled with the second electrical connector. | 03-25-2010 |
| 20100053997 | LIGHT GUIDE UNIT AND BACKLIGHT MODULE - A light guide unit including a light guide plate and a plurality of rod lenses is provided. The light guide plate has a first surface, a second surface opposite to the first surface, and a light incident surface connecting the first surface and the second surface. The light guide plate further has a plurality of diffusion net points located at the second surface. The rod lenses are disposed on the first surface. Each of the rod lenses extends along a first direction and has a curved surface curving in a second direction. The rod lenses are arranged along the second direction. Pitches of the adjacent diffusion net points in the first direction are smaller than pitches of the adjacent diffusion net points in the second direction. A backlight module using the light guide unit is also provided. | 03-04-2010 |
| 20100050579 | Filter housing structure of projector - A filter housing structure adapted to a projector having a first encircled hook-and-loop fastening layer, a housing, a filtering layer, and a second encircled hook-and-loop fastening layer is provided. The first encircled hook-and-loop fastening layer is fixed on the casing of the projector and surrounds the openings arrayed on the casing. The housing has a central portion and a boundary portion. The central portion has a plurality of through holes thereon corresponding to the openings of the casing. The boundary portion surrounds the central portion and is corresponding to the first encircled hook-and-loop fastening layer. The filtering layer is assembled in the central portion and is disposed between the through holes and the openings for shielding the through holes. The second encircled hook-and-loop fastening layer is fixed on the boundary portion for fastening the housing to the first encircled hook-and-loop fastening layer. | 03-04-2010 |
| 20100046102 | ASSEMBLING MECHANISM - An assembling mechanism adapted to assemble a lens module to an optical engine base of a projector includes a fixed base, a fixed bayonet, a movable bayonet, a fixed member, and a movable member. The fixed base is fixed to the optical engine base and includes a restricting cavity. The fixed bayonet is fixed to the fixed base and extends to an open end of the restricting cavity. The movable bayonet is fixed to the lens module. The fixed member is fixed to the optical engine base. The movable member is slidably connected to the lens module. Displacement and rotation of the movable bayonet about the axis relative to the fixed base are restricted when the movable bayonet is moved into the restricting cavity through the open end and rotated about an axis relatively to the fixed base, and the movable member is slid into engagement with the fixed member. | 02-25-2010 |
| 20100039627 | PROJECTING APPARATUS - A projecting apparatus includes a casing, a projector and a foldable arm set. The foldable arm set is connected with the projector and selectively in a folded state or an unfolded state. The projector is capable of performing a projecting operation when the foldable arm set is in the unfolded state. A containing space is defined by the foldable arm set and the casing for containing the projector therein when the foldable arm set is in the folded state. | 02-18-2010 |
| 20100020566 | Light guild plate structure and backlight module using the same - A light guide plate structure including a main body, a low-refraction index layer, and a collimation lens film is provided. The main body has a side incident surface on a sidewall thereof. The low-refraction index layer is bonded to an upper surface of the main body. A refraction index of the low-refraction index layer is smaller than a refraction index of the main body. The low-refraction index layer has a plurality of through holes therein. The through holes are filled with a material, and the refraction index of the material is close to the refraction index of the main body. The collimation lens film is disposed on an upper surface of the low-refraction index layer and has a plurality of lens structures aligned to the through holes respectively for transforming a light beam entering the collimation lens film via the through holes into a parallel light beam projecting upward. | 01-28-2010 |
| 20100007857 | Illuminating device and projecting apparatus using the same - An illuminating device adapted to a projecting apparatus including a lamp module, a power module, and a fan is provided. The lamp module is separately disposed in the projecting apparatus. The lamp module has a lamp, an igniting module and a plate. The igniting module is capable of generating a high voltage signal to drive the lamp. The plate is disposed between the lamp and the igniting module for shielding radiating heat generated by the lamp. The power module is capable of generating a low voltage signal transmitted to the igniting module through a low voltage power line. The igniting module transforms the low voltage signal into the high voltage signal to drive the lamp. The fan is disposed at a first side of the lamp for cooling the lamp. | 01-14-2010 |
| 20090316430 | BACKLIGHT MODULE - A backlight module including at least one light emitting element and a brightness enhancement diffuser is provided. The light emitting element is capable of emitting a light beam. The brightness enhancement diffuser is disposed in the transmission path of the light beam and has a first surface and a second surface opposite to the first surface. The light beam passes through the first surface and the second surface. The brightness enhancement diffuser includes a plurality of protrusions and a plurality of recesses. The protrusions are disposed on the first surface, and each of the protrusions has a curved surface. The recesses are disposed on the first surface, and each of the recesses has at least one plane surface. Each of the recesses is surrounded by several of the protrusions. | 12-24-2009 |
| 20090316117 | Lens adjusting device of projector - A lens adjusting device including a frame, a lens, a base, at least a positioning structure, and a locking device is provided. The lens is fixed on the frame. The base has a through hole with a predetermined shape formed thereon. The positioning structure is disposed on the base for movably positioning the frame on a plane above the base. The locking device including a screw, a nut, and a fixer is capable of fixing the frame to the base. The screw penetrates the frame and extends to below the base through the through hole of the base. The size of the through hole is greater than the size of a corresponding cross-section of the screw. The nut is disposed below the base and assembled to the screw to position the screw on the base. The fixer is disposed on the frame to constrain the rotation of the nut. | 12-24-2009 |
| 20090289538 | LAMP MODULE - A lamp module suitable for a projector has an insulating base, a lamp, electrode lines, electrode terminals, electrode strips, conductive lines, an electrical connector and conductive terminals. The lamp is mounted on the insulating base. Each of the electrode lines has an end connected to the lamp. The electrode terminals are respectively connected to the other ends of the electrode lines. Each of the electrode strips has a first end and a second end, wherein the electrode terminals and the first ends are fastened on the insulating base, and the electrode terminals respectively contact the first ends. The electrical connector is connected to one ends of the conductive lines. The conductive terminals are respectively connected to another ends of the conductive lines. The conductive terminals and the second ends herein are fastened on the insulating base, and the conductive terminals respectively contact the second ends. | 11-26-2009 |
| 20090279054 | Projector and maintenance system for ballast thereof - A maintenance system for a ballast is applied to a projector. The projector includes a housing. The maintenance system for the ballast includes an input/output interface and a ballast. The input/output interface is disposed on the housing, and has a first transmitting terminal, a first receiving terminal and an input/output connection port. The first transmitting terminal and the first receiving terminal are electrically connected to the input/output connection port. The input/output connection port is uncovered by the housing. The ballast is disposed inside the housing, and has a second transmitting terminal and a second receiving terminal. The second transmitting terminal is electrically connected to the first receiving terminal of the input/output interface, and the second receiving terminal is electrically connected to the first transmitting terminal of the input/output interface. | 11-12-2009 |
| 20090276491 | Management method for remote digital signage - A management method for a remote digital signage provides communication between a web server and the digital signage to make the web server collect a system information from the digital signage. The management method includes the steps of: transmitting a heartbeat every period to the web server by the digital signage; receiving the heartbeat to transmit a reply signal to the digital signage by the web server, wherein the reply signal includes a command; receiving the reply signal to execute the command, and to transmit the system information to the web server by the digital signage; and receiving and storing the system information by the web server. | 11-05-2009 |
| 20090268168 | PROJECTOR - A projector comprising a first light source, a second light source, a light combining element, a diffuser and an actuator is provided. The first light source provides a first light beam with high coherence. The second light source provides a second light beam with high coherence. The light combining element comprises a first surface, wherein the first and second light beams enter the light combining element, and are combined into a mixed light beam therein. The diffuser is disposed on the first surface of the light combining element, wherein the first and second light beams enter the diffuser. The actuator is connected to the light combining element, wherein the actuator actuates the light combining element to vary locations where the first and second light beams enter the diffuser. | 10-29-2009 |
| 20090262315 | PROJECTOR AND MODULE OF INTEGRATION ROD - A module of integration rod can be assembled on an optical engine base of a projector. The module of integration rod includes a holder, an integration rod, a cover, at least one elastic element, at least one fastening screw, and at least one adjusting screw. The holder has an accommodating space. The integration rod is inserted in the accommodating space. The integration rod and the holder are disposed on the optical engine base. The cover is disposed on the holder to locate the holder between the cover and the optical engine base. The elastic element is disposed between the holder and the optical engine base. The fastening screw passes through the cover from a first side of the cover and is fastened on the optical engine base. The adjusting screw is fastened on the cover from the first side of the cover and is suitable to lean on the holder. | 10-22-2009 |
| 20090262310 | PICTURE CORRECTION SYSTEMS AND METHODS - A picture correction systems and a method are provided. The system includes a circular variable resistance unit and a control unit. The circular variable resistance unit includes at least two circular resistance coils and a control stick. One of the circular resistance coils receives a voltage. The control stick is disposed on the inner rims of the circular resistance coils to be electrically connected with the circular resistance coils. The control stick rolls along the inner rims of the circular resistance coils. The circular variable resistance unit generates a loop voltage according to a position of the control stick being located at the inner rims of the circular resistance coils. The control unit receives the loop voltage, and performs a picture correction for a projector according to the loop voltage. | 10-22-2009 |
| 20090257598 | Audio processing system of projector - An audio processing system of projector including a microphone input, an audio input, an audio adjusting unit, and a mixer is provided. The microphone input is utilized for accessing a first audio signal. The audio input is utilized for accessing at least a second audio signal from an outside audio generating device. The audio adjusting unit accesses the first audio signal and the second audio signal and adjusts the first audio signal and the second audio signal according to a selected mode to generate a third audio signal and a fourth audio signal respectively. The mixer is utilized for mixing the third audio signal and the fourth audio signal with an adjustable mixing ratio to output a fifth audio signal. | 10-15-2009 |
| 20090251803 | Lens adjusting device of projector - A lens adjusting device of a projector is provided. The lens adjusting device has a base, a frame, and at least one positioning structure. A lens is fixed on the frame. The positioning structure is utilized for movably setting the frame on the base. The positioning structure has a groove, a slider, and a positioning unit. The groove is disposed on the frame. The slider is disposed in the groove and has a guiding hole defined therein. The extending direction of the guiding hole is substantially perpendicular to the extending direction of the groove. The positioning unit is slidably disposed in the guiding hole and penetrates the guiding hole to set the frame and the slider on the base. | 10-08-2009 |
| 20090251667 | Projector and color adjusting method thereof - A color adjusting method is applied to a projector. The projector has a light emitting element and a color wheel. The light emitting element supplies light, and makes the light pass through the color wheel so as to generate a plurality of different color lights. These different color lights are used to form a color image. The color adjusting method includes the steps of providing a plurality of driving waveforms which is dynamically switched for driving the light emitting element; defining a major color light of the color image, which is selected from the different color lights; and switching to one of these driving waveforms when the major color light is generated by the light passing through the color wheel. Thus, the light energy of the major color light is enhanced by means of driving the light emitting element through the switched driving waveform. | 10-08-2009 |
| 20090246588 | Planar fuel cell device - A planar fuel cell device including a fuel cell module, a first cathode channel plate, a second cathode channel plate, and a fixing structure is provided. The first cathode channel plate is adapted to be disposed on a first surface of the fuel cell module and includes a first curved surface and a first channel structure disposed on the first curved surface. The first curved surface protrudes toward the fuel cell module for pressing the first surface of the fuel cell module. The second cathode channel plate is adapted to be disposed on a second surface of the fuel cell module opposite to the first surface. The fixing structure is adapted to be disposed on the edge of the fuel cell module for fixing the first cathode channel plate and the second cathode channel plate on the first surface and the second surface respectively. | 10-01-2009 |
| 20090244722 | TURNING MECHANISM - A turning mechanism is adapted to a projector including a base and a zoom lens set in a base for turning a zoom bar of the zoom lens. The turning mechanism includes a fixed element and a movable element. The fixed element is suitable to be fastened to the base and has a pair of slide tracks. The movable element has a pair of slide edges, a pair of slide hooks, and a turn portion. The slide hooks lock the slide tracks respectively, and the slide edges are supported by the slide tracks respectively. Therefore, the movable element substantially slides around a light axis of the zoom lens relative to the fixed element, so as to move the turn portion to turn the zoom bar. | 10-01-2009 |
| 20090244491 | PROJECTOR AND LAMP MODULE LATERALLY EXTRACTED OUT - A projector includes a case, an optical engine, a lamp module, and a centrifugal fan. The optical engine, the lamp module, and the centrifugal fan are disposed in the case. The case has a side cover. The lamp module is disposed adjacent to the side cover to generate heat as well as light which is modulated by the optical engine into an image light. The centrifugal fan is disposed adjacent to the lamp module, impelling air into the lamp module from a side and out from the rear to dissipate heat from the lamp module. | 10-01-2009 |
| 20090241062 | Method for switching function menus in a projector - A method for switching function menus is applied to a projector for the function of on screen display (OSD). The method includes the first step of providing a first function menu, a second function menu and a fuzzy menu. The first function menu has a first picture. The second function menu has a second picture. The fuzzy menu has a fuzzy picture. Specially, the first and the second pictures have an edge which is distinguished by eyes of human beings, but the fuzzy picture has an edge which is undistinguished by eyes of human beings. Subsequently, the first, the fuzzy and the second function menus are switched in sequence at a frequency which is not detected by eyes of human beings, so that the first, the fuzzy and the second pictures are shown in sequence. | 09-24-2009 |
| 20090237630 | Open-closed structure applied to a lamp door of a projector - An open-closed structure is used to open or close a lamp door of a projector. The projector includes a main lid. The lamp door covers the outer side of the main lid. The open-closed structure includes a base and a knob. The base is disposed at the inner side of the main lid. The knob is rotatably disposed on the base, and has an axial portion, a hook portion and a stick-like portion. One end of the hook portion is connected to the axial portion, and another end of that is selectively engaged with or separated from the lamp door. One end of the stick-like portion is also connected to the axial portion. When the axial portion of the knob is rotated to make the another end of the hook portion separated from the lamp door, another end of the stick-like portion is dependently moved to push the lamp door. | 09-24-2009 |
| 20090219492 | DETECTING DEVICE - A detection device is mounted in a projector for detecting relations between an object and the projector. The detection device includes a detecting switch, a connector and a detecting circuit. When the object is placed into the detecting switch, the detecting switch is in an off state. When the object is withdrawn from the detecting switch, the detecting switch is in an on state. The connector is electrically connected to the detecting switch. The detecting circuit is electrically connected to the connector for activating the projector to be operated in a first mode in response to the off state of the detecting switch and activating the projector to be operated in a second mode in response to the on state of the detecting switch. The first mode and the second mode are associated with the temperature inside the projector. | 09-03-2009 |
| 20090213560 | OPTICAL PROJECTOR - An optical projector includes a casing, a partition element, an optical projection module and a main board. The casing includes a main body, a first cover and a second cover. The partition element is disposed at the main body, and the first cover is detachably disposed on the main body. The first cover, the partition element and the main body together define a first accommodating space. The second cover is detachably disposed on the main body. The second cover, the partition element and the main body together define a second accommodating space. The optical projection module is disposed in the first accommodating space and the main board is disposed in the second accommodating space. | 08-27-2009 |
| 20090213339 | Projector and optical engine thereof - An optical engine includes a light source system for providing an incident light beam, a reflective light valve, a first case, a projection lens and a second case. The reflective light valve is disposed in the first case for receiving the incident light beam, reflecting and outputting an image light beam or a dumped light beam. The first case provides a first opening located in the light path of the dumped light beam. The projection lens is connected to the first case for receiving and projecting the image light beam to form an image. The second case intercommunicates with the first case via the first opening. The dumped light beam enters the second case through the first opening, and is reflected twice or more inside the second case. Moreover, the inner wall of the second case applies to absorb the energy of the dumped light beam. | 08-27-2009 |
| 20090207584 | Backlight module of flat panel display - A backlight module disposed under a display panel and close to a polarizer on a lower surface of the display panel is provided. The backlight module has an illumination module and an optical film disposed above the illumination module. The optical film has a lower layer and an upper layer attached to the lower layer. The upper layer is close to the polarizer and has a plurality of first micro-protrusion structures formed on an upper surface thereof. The lower layer has a plurality of second micro-protrusion structures with various heights formed on an upper surface thereof. The higher second micro-protrusion structures support the upper layer, so as to form a gap with various dimensions between the upper layer and the lower layer. | 08-20-2009 |
| 20090201165 | ANGLE-ADJUSTABLE METHOD AND AUTOMATIC ANGLE-ADJUSTABLE DISPLAY DEVICE - An automatic angle-adjustable display device and an angle-adjustable method are provided. The automatic angle-adjustable display device includes a screen, three wireless transmitting and receiving sensors, an angle adjustment mechanism and a control unit. The wireless transmitting and receiving sensors are respectively disposed at first, second and third positions of the screen. In response to a control signal issued from the control unit, the angle adjustment mechanism is driven to adjust the viewing angle of the screen with respect to the viewer. The angle-adjustable method includes steps of triggering the wireless transmitting and receiving sensors to emit these wireless signals, measuring first, second and third distances between the first, second and third positions of the screen and the viewer according to the reflected wireless signals, and adjusting the viewing angle of the screen with respect to the viewer according to these distance differences. | 08-13-2009 |
| 20090197144 | Switch valve applied to a cartridge of a fuel cell - A switch valve applied to a cartridge of a fuel cell includes a first valve body and a second valve body. The first valve body has a first connecting member and a first slide member which may slide relative to the first connecting member. The second valve body has a second connecting member and a second slide member which may slide relative to the second connecting member. The second connecting member is used to lock the first connecting member. During assembling operation of the first and the second valve bodies, the first connecting member gets the second slide member moving to open the second valve body; and then the second connecting member gets the first slide member moving to open the first valve body. During disassembling operation of the first and the second valve bodies, the first valve body is closed before the second valve body is closed. | 08-06-2009 |
| 20090196040 | Light source module of projector - A light source module adapted to a projecting device including a light bulb, a fan, and an air tunnel structure is provided. The fan is located by the light bulb for cooling the light bulb. The air tunnel structure is located respective to the location of the light bulb, for removing the heat generated by the light bulb. The air tunnel structure has a curved inner wall, a plurality of fins, and a tank. The curved inner wall is located inside the air tunnel structure respective to the location of the light bulb. The fins are formed on the curved inner wall for blocking the fragments generated by the explosion of the light bulb. The tank is located by a side of the curved inner wall for carrying the fragments clashing the fins. | 08-06-2009 |
| 20090195752 | Projector and digital micor-mirror device module - A projector includes a light source system for providing an incident light, a digital micro-mirror device (DMD) module and a projection lens. The digital micro-mirror device module is disposed in the light path of the incident light for receiving and modulating the incident light before reflecting the incident light to form an image light. The projection lens is to receive and project the image light to form an image. The DMD module includes an active area plane and a cover glass. The active area plane has plural digital micro-mirror elements for reflecting the incident light to form an image light. The cover glass is disposed in the light paths of the incident light and image light, and has a first transparent surface and a second transparent surface. An included angle is formed between the extension direction of the first transparent surface and the extension direction of the active area plane. | 08-06-2009 |
| 20090185385 | Optical film applied to a side-emitting backlight module - An optical film is applied to a side-emitting backlight module. The side-emitting backlight module has a light guide plate for guiding a chief light beam. The light guide plate has a light emitting surface to define a normal direction thereof. The optical film includes a lower prism structure, an intermedium layer, and an upper prism structure. The lower prism structure is disposed on the light emitting surface. The intermedium layer is connected between the lower prism structure and the upper prism structure. When the chief light beam exits from the light emitting surface of the light guide plate, and then goes through the lower prism structure, it goes through the intermedium layer along a changed traveling direction. When the chief light beam exits from the intermedium layer, and goes through the upper prism structure, it turns from the changed traveling direction to the normal direction. | 07-23-2009 |
| 20090184670 | WAVEFORM MANAGEMENT SYSTEMS AND METHODS FOR BALLASTS - Waveform management systems and methods for ballasts are provided. The system includes a lamp, a ballast, a first interface, a storage unit, and a processing unit. The processing unit obtains at least one first waveform from the storage unit, and writes the first waveform to the ballast via the first interface. The processing unit transmits an illumination signal to the ballast via the first interface, such that the ballast controls the illumination of the lamp according to the first waveform. | 07-23-2009 |
| 20090181273 | FUEL CELL SYSTEM - A fuel cell system includes a first airflow generator, a first fuel cell module, a second airflow generator and a second fuel cell module. The first airflow generator is capable of providing a first airflow, which flows through the first fuel cell module. The second airflow generator is capable of providing a second airflow, which flows through the second fuel cell module. A heat exchange is proceeded between the first airflow departing from the first fuel cell module and the second airflow prior to entering the second fuel cell module, and another heat exchange is proceeded between the second airflow departing from the second fuel cell module and the first airflow prior to entering the first fuel cell module. | 07-16-2009 |
| 20090180076 | PROJECTOR WITH SERVICE INFORMATION DISPLAYING FUNCTION AND SERVICE INFORMATION DISPLAYING METHOD FOR USE WITH SUCH PROJECTOR - A projector with a service information displaying function and a service information displaying method for use with the projector are provided. The projector includes a data storage unit, a monitor and a controller. The service information displaying method includes steps of pre-storing a data file in the projector, showing a main menu contained in the data file in response to a call request, and selecting a first item from the main menu and showing at least one service information corresponding to the first item. | 07-16-2009 |
| 20090175002 | DISPLAY APPARATUS - A display apparatus includes a casing, a display module, a cooling device, and a dust-proof device. The casing has first and second openings. The display module disposed in the casing has a display area exposed by the first opening and a non-display area corresponding to the second opening. The cooling device disposed at the non-display area in the casing has an air inlet corresponding to the second opening. The dust-proof device includes a body disposed at the non-display area in the casing, a cover disposed at the body, and a dust-proof element disposed therebetween. The body has first holes corresponding to the air inlet. The second opening exposes second holes of the cover. Each second hole overlaps at least one of the first holes. An airflow produced by the cooling device flows through the second opening, the second holes, the dust-proof element, the first holes, and the air inlet. | 07-09-2009 |
| 20090169967 | Fuel cartridge of fuel cell system - A fuel cell system including a fuel cell stack and a fuel cartridge is provided. The fuel cartridge has a shell body and an air bag. The shell body forms a space for storing fuel. The shell body has a fuel outlet and an air inlet. The fuel outlet is connected to the fuel cell stack through a pipe. The air bag is assembled in the shell body with an opening thereof connected to and being in communication with the air inlet. | 07-02-2009 |
| 20090168392 | LENS ARRAY AND ILLUMINATION MODULE - A lens array includes a first lens group with rows of first lenses having first optical surfaces, a second lens group with rows of second lenses having second optical surfaces, and a reference plane. Each first and second lenses extend along a first axis. The second lenses are disposed at two sides of the first lens group along a second axis perpendicular to the first axis. An optical axis of the second optical surface is perpendicular to the first and second axis. An optical axis of the first optical surface is perpendicular to the first axis and has an angle larger than 0 degree and smaller than 6 degrees with the optical axis of the second optical surface. The reference plane perpendicular to the second axis passes through the first lens group. A normal vector of each first optical surface on the optical axis points away from the reference plane. | 07-02-2009 |
| 20090160834 | DISPLAY SCREEN AND SENSOR MODULE THEREOF - A display screen with a display area includes a frame and a sensor module. The frame surrounds the display area. The sensor module is mounted on the frame and includes a mount disposed on the frame and a slidable assembly slidably disposed on the mount and including an ambient light sensor and a screen light sensor, wherein the ambient light sensor and the screen light sensor are disposed on two opposite sides of the slidable assembly respectively. When a side of the slidable assembly on which the screen light sensor is disposed faces the display area, the screen light sensor detects brightness of the display area. When the side of the slidable assembly does not face the display area, the ambient light sensor detects brightness of an ambiance. | 06-25-2009 |
| 20090155059 | CENTRIFUGAL BLOWER - A centrifugal blower includes a casing, a motor fixed in the casing, a fan structure, and an anti-leakage element. The casing has a top portion having an inlet, a bottom portion, and a side wall respectively connecting the top and bottom portions and having an outlet. The fan structure disposed in the casing and driven by the motor has a body connected to the motor and blades surrounding the body and being connected to the body, and rotates about an axis in a first rotation direction. The anti-leakage element extends from at least part of an edge of the inlet to an interior of the casing, partially covers parts of the blades, and extends from neighborhood of the outlet in a second rotation direction against the first rotation direction. A range of the anti-leakage element extending to the interior of the casing is gradually reduced along the second rotation direction. | 06-18-2009 |
| 20090148747 | Water flow system for a fuel cell - Provided is a water flow system for a fuel cell. The fuel cell includes a battery module. The battery module has a cathode end and an anode end. The water flow system includes a water absorbing material and a pump. The water absorbing material has a first capillary structure and a second capillary structure. One end of the second capillary structure is connected to the first capillary structure. The first capillary structure contacts the cathode end of the battery module. The second capillary structure is disposed outside the battery module and is separated from the cathode end. One end of the pump is connected to the other end of the second capillary structure of the water absorbing material to pump the water in the second capillary structure. | 06-11-2009 |
| 20090147454 | Heat dissipation module - A heat dissipation module is used to cool a microprocessor. The heat dissipation module includes a base, a diversion pipeline, a plurality of heat conductive pieces and a fan. The base is assembled on the microprocessor. The diversion pipeline is connected to the base, provides a diversion direction, and has a heat insulated pipe-wall which partitions the diversion pipeline into an inside and an outside portions and reduces the heat conduction in the diversion direction of the diversion pipeline. The heat conductive pieces are fixed on the diversion pipeline, and have a heat dissipation direction from the inside portion to the outside portion of the diversion pipeline which crosses the diversion direction. Each two neighboring heat conductive pieces are separated with the heat insulated pipe-wall. The fan is assembled on the outside of the diversion pipeline and provides a cool air for the heat conductive pieces. | 06-11-2009 |
| 20090135564 | DIGITAL MICROMIRROR DEVICE MODULE - A digital micromirror device (DMD) module includes a circuit board, a DMD element, a soft elastic pad, a heat dissipation pad and a heat sink. The circuit board includes a first surface, a second surface and a through hole, wherein the first surface is opposite to the second surface. The DMD element is electrically connected to the circuit board. The soft elastic pad is disposed on the first surface of the circuit board and surrounds the through hole. The heat dissipation pad passes through the through hole and contacts the DMD element. The soft elastic pad is sandwiched between the circuit board and the heat sink, the heat dissipation pad is sandwiched between the heat sink and the DMD element, and the heat sink contacts the soft elastic pad and the heat dissipation pad, so as to apply a force to the soft elastic pad and the heat dissipation pad. | 05-28-2009 |
| 20090133227 | HANDLE MECHANISM - A handle mechanism is adapted to a projector having a case. The handle mechanism has a frame, a rod, a grip, a positioning element, and an elastic element. The frame is connected to the case and has a through hole. The rod penetrates through the through hole and is capable of moving relatively to the frame. The rod has a first end, a second end, an anchor portion at the first end thereof, a first positioning portion, and a second positioning portion. The grip is connected to the second end of the rod, wherein the anchor portions limit a movement range of the grip relative to the rods and the frame. The positioning element is located between the frame and the rod. The elastic element is located between the frame and the positioning element, and forces the positioning element to physically interfere with the first or the second positioning portion. | 05-28-2009 |
| 20090128524 | DISPLAY DEVICE CONTROL SYSTEMS AND METHODS - Display device control systems and methods are provided. The system includes at least a first display device and a control device wirelessly coupled to the first display device. The first display device has a first identification. The control device includes an input unit. The control device generates a second identification via the input unit, and wirelessly transmits the second identification to the first display device. The first display device determines whether the second identification conforms to the first identification, and if so, accepts the control from the control device. | 05-21-2009 |
| 20090115738 | Display with touch panel - A flat panel display having a display panel, a touch panel, a supporting structure and a frame is provided. The touch panel is assembled on the display panel. The supporting structure has a supporting unit and an elastic unit at least. The supporting unit is utilized for carrying the touch panel. The elastic unit has a fixed end and an extending end. The extending end is connected to the supporting unit. The elastic unit has a bending with a changeable bending angle varied with the impact force stressed to the supporting unit. The frame is assembled on the touch panel to restrict vertical movement of the touch panel. | 05-07-2009 |
| 20090109125 | IMAGE PROCESSING METHOD AND SYSTEM - An image processing method is disclosed. The method is applied to a display device including a plurality of series connection sub display devices. A video chip of each of the sub display devices sets a device ID for each of the corresponding sub display devices according to a setting signal. An image frame is retrieved from an image output device and is divided to a plurality of sub image frames according to the device IDs of each of the sub display devices. It is determined whether a switch signal has been detected. If the switch signal has not been detected, the sub image frames are respectively displayed in the sub display devices with a first video mode. If the switch signal has been detected, the sub image frames are respectively displayed in the sub display devices with a second video mode. | 04-30-2009 |
| 20090103057 | AUTOMATIC IRIS DIAPHRAGM MODULE - An automatic iris diaphragm module is adapted to a projector having a casing, and is capable of adjusting a size of luminous flux of a light source of the projector. The automatic iris diaphragm module is provided with a chassis, a fixed mask, a movable mask, a drive rack, and a motor. The chassis is fixed on the casing. The fixed mask is fixed on the chassis and has an opening. The movable mask is slidably disposed on the fixed mask. The drive rack is fixed on the movable mask. The motor is fixed on the chassis and has a driving gear engaging with the drive rack for driving the drive rack to make the movable mask slide relative to the fixed mask, for adjusting the size of the luminous flux of the light source through the opening. | 04-23-2009 |
| 20090103004 | BACKLIGHT MODULE AND LIGHT GUIDE PLATE - A backlight module includes a frame, a light guide plate, a light source, a reflective film, a diffusion film and a prism film. The light guide plate includes a first side, a second side, a hook, a light-emitting surface, a top side, and a bottom side. The first side is adjacent to the second side. The hook connects to the first side and engages the frame. The light-emitting surface is adjacent to the first and second sides and formed with a plurality of v-shaped grooves and a flat portion. The flat portion corresponds to the hook and abuts part of the v-shaped grooves. The light source is disposed on the second side. The reflective film is disposed on the bottom side. The prism film and the diffusion film are disposed on the top side. The frame accommodates the above-mentioned components. | 04-23-2009 |
| 20090095870 | STAND AND DISPLAY DEVICE USING THE SAME - A stand suitable for erecting a display unit of a display device on a platform is provided. The stand is provided with a base and at least a post. The post is provided with a base portion and a bar portion. The base portion is fastened to the base. The bar portion is fastened to the display unit, and has one end connected to the base portion. An orthographic projection area of the base portion to the base is greater than that of the bar portion to the base so as to increase the structure strength of the stand. | 04-16-2009 |
| 20090084921 | Universal holder - An universal holder is applied to a display for loading an auxiliary apparatus. The universal holder has a bottom plate, a first clamp and a second clamp. The bottom plate is combined with the display. The bottom plate has a first rail and a second rail. The first rail is not parallel to the second rail. The first clamp is disposed on the first rail. The second clamp is disposed on the second rail, and cooperates with the first clamp to fasten the auxiliary apparatus. | 04-02-2009 |
| 20090075151 | FUEL CELL AND MIXING MODULE THEREOF - A fuel cell is provided comprising a cell module and a mixing module. The mixing module is connected to the cell module. A vapor current enters the mixing module from the cell module. The mixing module comprises a condensing unit, a mixing sink, and a check valve. The vapor current enters the condensing unit to be condensed into a first liquid. The mixing sink comprises a sink body and a spacer, wherein the sink body receives a second liquid, the spacer spaces the sink body and the condensing unit, the spacer comprises a through hole, and the first liquid enters the mixing sink through the through hole. The check valve is disposed in the through hole, wherein the check valve comprises a valve body and a valve cover, the valve is disposed in the through hole, and the valve cover restricts the valve body in the through hole. | 03-19-2009 |
| 20090073390 | PROJECTOR AND OPERATING METHOD THEREOF - A projector comprising a light engine, a detector, and a control unit is disclosed. The light engine comprises a light source and generates a projection beam based on the light from the light source. The space which the projection beam passes through is defined as a projection area, and a security area is defined by the projector to include or overlap the projection area. The detector detects whether a living organism is in the security area or not. When the detector detects a living organism in the security area, the detector generates a warning signal and transmits the warning signal to the control unit. After receiving the warning signal, the control unit directs the projector to enter a security mode to protect the living organism from being hurt. | 03-19-2009 |
| 20090073146 | INTERFACE DEVICE AND DISPLAY DEVICE USING THE SAME - An interface device includes a first connector, a second connector, and a switch unit. The first connector and the second connector respectively have a first power pin and a second power pin. The switch unit is coupled between the first connector and the second connector. When one of the first and the second connectors receives a first multimedia signal, the switch unit controls whether or not to transmit the first multimedia signal to the other of the first and the second connectors according to a voltage level of the other of the first and the second power pins. | 03-19-2009 |
| 20090059186 | LAMP HOLDER OF A PROJECTION APPARATUS AND FABRICATION THEREOF - A method for forming a lamp holder. The lamp holder is applied in a projection apparatus. First, the lamp holder comprising metal is provided. An insulating layer is formed on one surface of the lamp holder to insulate the lamp holder from another element of the projection apparatus. | 03-05-2009 |
| 20090057534 | LIGHT SOURCE DEVICE - The invention discloses light source devices applied in backlight modules of image display panels. The light source device includes a current source unit generating a driving current, a plurality of light emitting units coupled in series to the current source unit, a plurality of current shunts corresponding to the light emitting units respectively and providing current bypasses for the driving current to bypass the corresponding light emitting units, a plurality of light sensing units sensing the brightness of the light emitting units, and a control unit generating a plurality of current shunt control signals for separately controlling the current shunts. Each of the current shunt control signals is generated according to the sensed brightness of the corresponding light emitting unit and is used in controlling the conduction statement of the current bypass provided by the corresponding current shunt. | 03-05-2009 |
| 20090051887 | Projector and cover plate thereof - A projector and a cover plate thereof are disclosed. The cover plate includes a main lid, a pivot member and an auxiliary lid. The main lid has a lock portion and a window portion. The auxiliary lid has a side connecting to the pivot member. By means of the pivot member, the auxiliary lid is capable of being opened by lifting relative to the main lid, so as to cover the window portion selectively. In addition, the auxiliary lid has a hook member disposed at a position corresponding to the lock portion. Therefore, when the auxiliary lid covers the window portion, it is capable of being moved parallel and relative to the main lid by means of the pivot member, and the hook member is locked by the lock portion selectively. | 02-26-2009 |
| 20090046256 | PROJECTOR AND PROJECTOR CIRCUIT BOARD THEREOF - One embodiment of the invention discloses projector circuit boards comprising an image receiving terminal, a central processing unit, a motor driving module, a DMD and a DMD control module. The image receiving terminal receives an image signal and transmits the received image signal to the central processing unit. The central processing unit processes the received image signal. The motor driving module drives a motor on the basis of the processed image signal to rotate a color wheel to generate a colored beam. The DMD, comprising a plurality of micro-mirrors, is used in reflecting the colored beam, transforming the colored beam into an image beam, and transmitting the image beam to a projection lens to project an image. The rotation angles of the micro-mirrors are controlled by the DMD control module coupled between the central processing unit and the DMD. The projector circuit board is perpendicular to a light path of the projection lens. | 02-19-2009 |
| 20090040788 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE USING THE SAME - A light guide plate has a bottom surface including flat surfaces (FSs) and a plurality of prism patterns (PPs) disposed alternately with the FSs, a light emitting surface (LES) and a light incident surface (LIS). Each FS is at a first distance respectively from the LES and the first distances gradually decrease along a direction away from the LIS. Each PP has a first slanted surface (FSS) and at least a groove having a second slanted surface (SSS) and a third slanted surface (TSS). The two opposite sides of the FSS are spaced out a second distance apart. The two opposite sides of the SSS are spaced out a third distance apart. The specific value of dividing a first orthogonal projection of the second distance on an axis perpendicular to the FSs by a second orthogonal projection of the third distance on the axis is between 0.5 and 1.5. | 02-12-2009 |
| 20090040784 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A light guide plate (LGP) adapted to a backlight module having a light emitting surface, a bottom surface opposite to the light emitting surface, and at least one light incident surface contacting with the light emitting surface and the bottom surface is provided. The bottom surface has a plurality of flat surfaces and a plurality of groove groups. The groove groups and the flat surfaces are arranged in an alternating fashion. Each of the groove groups has at least two grooves. Each of the grooves has a first slanted surface, a peak, and a second slanted surface intersecting with the first slanted surface at the peak. In each of the grooves, a first side of the first slanted surface away from the peak is at a first distance from a second side of the second slanted surface away from the peak. The luminance efficiency of the LGP is better. | 02-12-2009 |
| 20090040479 | ADJUSTMENT MODULE FOR ADJUSTING A POSITION OF A LENS OF A PROJECTOR - An adjustment module is capable of adjusting a position of a lens of a projector. The adjustment module includes a base, a first tray, a second tray, at least one guide roller, and at least one boundary constrainer. The first tray is slidably disposed on the base along a first axis. The second tray is slidably disposed on the first tray along a second axis substantially perpendicular to the first axis. The lens is fixed on the second tray. The guide roller is rotatably disposed on the second tray. The boundary constrainer is disposed on the base. The guide roller is capable of confining the lens within an image area of the lens by rotatably contacting the boundary constrainer. | 02-12-2009 |
| 20090040015 | REMOTE CONTROL SYSTEM CAPABLE OF SEARCHING ELECTRONIC APPARATUS - A remote control system capable of searching an electronic apparatus is provided. Transceivers are respectively disposed in a remote controller and the electronic apparatus, such that a two-way signal transmission between the remote controller and the electronic apparatus is achieved. The product information of the electronic apparatus is obtained via the remote controller, so as to identify whether the electronic apparatus is a desired electronic apparatus or not. | 02-12-2009 |
| 20090035641 | FUEL CELL DEVICE - A fuel cell device for being inserted into an expansion slot of an electronic device is provided. The fuel cell device includes a case, a first fuel cell module, second fuel cell modules, a connecting interface, and a power management module. The case is divided into a first part and a second part connected thereto. When the fuel cell device is inserted into the expansion slot, the first part is inside the expansion slot and the second part is outside the expansion slot. The first fuel cell module is disposed inside the first part and the second fuel cell modules are juxtaposed inside the second part. The connecting interface is disposed at the case, for being electrically connected to the expansion slot. The power management module is disposed inside the case, for being electrically connected to the first and the second fuel cell modules and the connecting interface. | 02-05-2009 |
| 20090033883 | PROJECTION APPARATUS AND METHOD FOR ACTIVATING A PROJECTION APPARATUS - A projection apparatus includes an illuminating unit, an imaging unit, a lens unit, and a control unit. The illuminating unit includes a light source, and a light source driving module operable to drive the light source to provide an illumination beam. The imaging unit is operable so as to modulate the illumination beam into an image beam. The lens unit is disposed on an optical path of the image beam for projecting the image beam. The control unit is coupled electrically to the illuminating unit and the imaging unit. The control unit is configured to execute an activating thread for initializing the imaging unit after controlling initial driving of the light source by the light source driving module, and a monitoring thread for monitoring the light source driving module for a success signal that indicates successful provision of the illumination beam by the light source. | 02-05-2009 |
| 20090033809 | PROJECTOR - A projector having a wheel module on its case is provided. The wheel module includes a wheel, an encoder, and a microswitch. When the wheel is pressed for a first time, the microswitch outputs a starting signal for turning on the projector. Then, the wheel is rotated for a first time, and the encoder outputs a menu signal for displaying the on screen display (OSD) menu on a screen. Then, when the wheel is rotated again, the encoder outputs a selection signal according to a rotation amount of the wheel for selecting a function or setting a parameter of the OSD menu. When the wheel is pressed again, the microswitch outputs a checking signal for executing a selected function, entering a sub-menu corresponding to the selected function, or storing the parameter. | 02-05-2009 |
| 20090029225 | Fuel cell system - A fuel cell system is adapted for use with at least one electrical power source. The fuel cell system includes: a fuel cell body for receiving a fuel, and for generating electrical power; a fuel supply unit adapted to be coupled electrically to the electrical power source, coupled to and in fluid communication with the fuel cell body, and having the fuel stored therein; and a manual driving unit coupled to the fuel supply unit, and operable to permit transfer of the fuel stored in the fuel supply unit to the fuel cell body when electrical power of the electrical power source is insufficient to drive the fuel supply unit for transferring the fuel to the fuel cell body. | 01-29-2009 |
| 20090029209 | FUEL CELL APPARATUS - A fuel cell apparatus includes a fuel cell module, a pump, a mixing tank, a circulating piping, a valve, a cartridge, and a pressing element. The circulating piping having a first opening is connected to the fuel cell module, pump, and mixing tank. The valve is disposed at the first opening for optionally covering it. The mixing tank stores first fuel. The cartridge connected to a sidewall of the first opening stores second fuel. The concentration of the second fuel is higher than that of the first fuel. The pressing element presses the cartridge to deform it. When the pump is turned on, the valve is closed to cover the first opening, and the first fuel is transported to the fuel cell module. When the pump is turned off, the valve is opened to expose the first opening, and the second fuel is transported to the mixing tank. | 01-29-2009 |
| 20090027919 | BACKLIGHT MODULE - A backlight module including a back plate, a reflection sheet, a light guiding plate, a reflector, and a first light source and a second light source is provided. The reflection sheet is disposed on the back plate, and one end of the reflection sheet is bent to form a lamp reflector. The light guiding plate is disposed on the reflection sheet, and has a first side and a corresponding second side. A first containing space is formed between the first side of the light guiding plate and the lamp reflector. The reflector is disposed at the second side of the light guide plate, and a second containing space is formed between the second side of the light guiding plate and the reflector. The first light source and the second light source are disposed within the first and the second containing space, respectively. | 01-29-2009 |
| 20090027631 | ILLUMINATION SYSTEM - An illumination system includes a first light source, a second light source, a light-uniforming component and a color wheel. The first light source is disposed at a side of the color wheel and provides a first light beam, and the second light source is disposed at another side of the color wheel and provides a second light beam. The light-uniforming component has a light incidence end and a light emitting end opposite to the light incidence end, and the first light source and the second light source are disposed beside the light incidence end. The color wheel includes a plurality of filter units with different colors, each includes a transmissive portion and a reflective portion for respectively making a part of the first light beam pass through to reach the light incidence end, and reflecting a part of the second light beam to reach the light incidence end. | 01-29-2009 |
| 20090027625 | Image Projection Apparatus and a Light Source Module Thereof - An image projection apparatus includes a light source module, a lens unit, a light valve, and a projection lens. The light source module includes at least one laser array, at least one reflecting unit, a diffusing member, and a light uniformizing unit. The laser array includes a plurality of laser units that are arranged in a matrix. The reflecting unit has a plurality of reflecting surfaces that are non-parallel to each other, and that are disposed to receive and reflect laser beams emitted by the laser units. The diffusing member is disposed to receive and diffuse the laser beams reflected from the reflecting surfaces so as to form an illumination beam. The light uniformizing unit is disposed to receive and uniformize the illumination beam from the diffusing member. | 01-29-2009 |
| 20090027409 | INTERFACE APPARATUS AND METHOD OF WRITING EXTENDED DISPLAY IDENTIFICATION DATA - An interface apparatus and a method of writing an extended display identification data (EDID) are provided. The interface apparatus includes a data processing unit, a memory unit and a switching unit. The memory unit is coupled to a connector corresponding to the memory unit and the data processing unit via the switching unit. When the interface apparatus is being initialized, the data processing unit detects whether or not the EDID stored in the memory unit is correct. If the EDID stored in the memory unit is incorrect, the data processing unit rewrites the EDID to the memory unit. | 01-29-2009 |
| 20090015999 | Housing for a display device - A housing for a display device includes a base housing part and a rear housing part. The rear housing part is installed on the base housing part and defines a receiving space. The rear housing part has a lower side portion, a recess portion formed in the lower side portion, at least one air inlet hole, an upper side portion, and a plurality of air outlet holes formed in the upper side portion. The recess portion has a first wall and a second wall relative to the first wall. The air inlet hole is formed in one of the first wall and the second wall, and is in fluid communication with the air outlet holes. The construction as such may increase air inflow and enhance the heat dissipating effect. | 01-15-2009 |
| 20090015802 | ADJUSTING MECHANISM OF LIGHT INTEGRATION ROD MODULE, OPTICAL ENGINE AND PROJECTION APPARATUS - An adjusting mechanism for a rod module adapted to an optical engine is provided. The adjusting mechanism utilizes two wedge-shaped blocks moving in perpendicular directions so as to convert the vertical adjustment of horizontal adjusting component into horizontal adjustment of an LIR module. Therefore, operators may adjust the horizontal and vertical position of the rod module from the same side of the projector, thus increasing the convenience in adjusting the position of the rod module. | 01-15-2009 |
| 20090011305 | Fuel cell system and membrane electrode assembly thereof - A membrane electrode assembly (MEA) of a three-edge configuration is provided for a fuel cell system. The MEA is tailored to have three edges and the three edges are embedded in an open space of a frame. The three-edge MEA is arranged between an anode collector plate and a cathode collector plate of the fuel cell system. A flow field plate is arranged at the anode side of the MEA with the anode collector plate interposed between the flow field plate and the MEA. The flow field plate forms a fuel transporting channel that is delimited by three side walls and has three vertices. The configuration of the fuel transporting channel corresponds in shape to the three-edge configuration of the MEA and is in communication with at least one fuel inlet and at least one fuel outlet corresponding to the fuel inlet. Anode fuel is fed through the fuel inlet into the fuel transporting channel of the flow field plate and then discharged through the fuel outlet whereby the anode fuel carries out catalytic reaction with the MEA. | 01-08-2009 |
| 20090004524 | FUEL CELL - A fuel cell including at least a fuel cell module is provided. The fuel cell module has a membrane electrode assembly (MEA), two base plates, an anode current collector and a cathode current collector. The two base plates are disposed on two opposite sides of the MEA to clamp the edge of the MEA. The anode current collector and the cathode current collector are respectively assembled in the central area of the MEA. Moreover, the cathode current collector protrudes from the corresponding base plate. Water produced by the cathode in the present invention flows out through the edge of the cathode current collector so as to improve electricity generation efficiency. | 01-01-2009 |
| 20090002646 | ANGLE-ADJUSTING ASSEMBLY AND ANGLE-ADJUSTING MECHANISM THEREOF - An angle-adjusting mechanism includes a first disk, a second disk, a fixing element and an elastic element. The first disk has a spindle hole and a plurality of positioning end notches disposed adjacent to the spindle hole. The second disk has a spindle fitting the spindle hole to enable the first disk to rotate around a rotation axis of the spindle relative to second disk, and has a positioning end bump located adjacent to the spindle to engage with one of the positioning end notches. The fixing element mounts the second disk onto the supporting bracket and limits the second disk to move along the rotation axis of the spindle within a preset range. The elastic element is mounted between the fixing element and the second disk to force the second disk to lean on the first disk. | 01-01-2009 |
| 20090002645 | LENS-SHIFTING DEVICE - A lens-shifting device including a base, two fixing rods, a sliding plate, a first and a second gear set is provided. The sliding plate is slidably mounted on the fixing rods via the fixing rods. A lens is fixed on the sliding plate and the sliding plate has a rack disposed on one side thereof. The first gear set has a first gear and a worm gear co-axial therewith. One of the fixing rods passes through the first gear such that the first gear and the worm gear may rotate relative to the fixing rod. The second gear set having a worm wheel and a second gear co-axial therewith is disposed between the fixing rod and the rack. The worm gear is for driving the worm wheel and the second gear is used for driving the rack such that the sliding plate moves relative to the fixing rods. | 01-01-2009 |
| 20090002592 | BACKLIGHT MODULE AND OPTICAL DISPLAY DEVICE HAVING THE SAME - A backlight module including a light source, a light guide plate and a prism sheet is provided. The light source is arranged along a first direction. The light guide plate having a light incident surface, a light refraction surface and a light emission surface is disposed on one side of the light source. The light refraction surface has a plurality of grooves parallel to one another in a second direction. The prism sheet is disposed on the light emission surface of the light guide plate, and has a plurality of prism portions parallel to one another in a third direction and on a surface of the prism sheet facing the light emission surface. The second direction is substantially perpendicular to the third direction, and an acute angle formed between the first direction and the third direction is less than or equal to 7 degrees. | 01-01-2009 |
| 20080318115 | FLOW CHANNEL PLATE - A flow channel plate suitable for use in a fuel cell including a plate body and at least a group of flow guiding blocks is provided. The plate body has a first side wall and a second side wall opposite to the first side wall. The first side wall has at least an inlet and the second side wall has at least an outlet. The group of flow guiding blocks is disposed in the plate body and is adjacent to the first side wall, and includes a plurality of flow guiding blocks. One of the flow guiding blocks is a first flow guiding block aligned with the inlet. The rest of flow guiding blocks are arranged into m rows between the first flow guiding block and the second side wall and the first row thereof is adjacent to the first flow guiding block. Where m is a nature number. | 12-25-2008 |
| 20080318113 | FUEL CELL APPARATUS - A fuel cell apparatus including a reaction unit for performing a chemical reaction, at least one fan for providing an airflow, and an airflow guiding device is provided. The airflow guiding device is connected to the fan and the reaction unit. The airflow guiding device includes an airflow rectification segment and a first airflow separation segment. The airflow rectification segment is connected to the fan and has one flow channel. The first airflow separation segment is connected to the airflow rectification segment and disposed between the airflow rectification segment and the reaction unit. A number of flow channels inside the first airflow separation segment is N | 12-25-2008 |
| 20080318112 | FUEL CELL MODULE - A fuel cell module including a membrane electrode assembly (MEA), a pressing plate, an anode collector, an anode flow channel plate, a cathode collector, and a cathode flow channel plate is provided. The MEA has a protrusion, and the pressing plate presses an edge of a cathode of the MEA. The pressing plate has a first opening to expose the protrusion. The anode collector is disposed on an anode of the MEA. The anode flow channel plate is disposed on anode collector. The anode collector is disposed between the anode and the anode flow channel plate. The cathode flow channel plate faces the cathode collector disposed on the cathode and the pressing plate to form a flow channel between an inner surface of the cathode flow channel plate and the cathode collector. The cathode flow channel plate has a concave portion corresponding to the protrusion. | 12-25-2008 |
| 20080318111 | FUEL CELL - A fuel cell including a plurality of first fuel cell modules is provided. Each of the fuel cell modules includes a cathode current collector, an anode current collector, a membrane electrode assembly (MEA) and a flow channel cover plate. The anode current collector is disposed above the cathode current collector. The MEA is disposed between the anode current collector and the cathode current collector. The flow channel cover plate is disposed on the anode current collector, for collecting a cathode product. A top side of the flow channel cover plate is adapted to transport a cathode reactant, and a bottom side of the flow channel cover plate is adapted to transport an anode reactant. In addition, the first fuel cell modules are stacked in a manner that the anode current collector faces upwards. | 12-25-2008 |
| 20080316472 | OPTICAL SENSING MODULE AND DISPLAY DEVICE USING THE SAME - An optical sensing module is adapted to be assembled to a frame of a display device. The display device comprises a display module and the frame, and the display module has a display area and the frame surrounds the display area. The optical sensing module comprises a casing and an optical sensor. The casing is pivoted to the frame and the optical sensor is configured in the casing for sensing external light projecting on a side of the casing. The optical sensor is capable of sensing a brightness of the display area when the side of the casing faces the display area and sensing a brightness of an ambient light when the side of the casing doesn't face the display area. | 12-25-2008 |
| 20080316377 | LIQUID CRYSTAL PROJECTION APPARATUS - A liquid crystal projection apparatus includes an illumination system, at least a light-transforming module and a projection lens. The illumination system provides a light beam having light polarized in a first direction and in a second direction. The light-transforming module and the projection lens are both disposed on a transmission path of the light beam. The light-transforming module includes a transmissive liquid crystal display (LCD) panel, a plurality of first polarizers and at least a second polarizer. The light polarized in a first direction passes through the first polarizers disposed at a side of the transmissive LCD panel, and the light polarized in a second direction is partially blocked by each of the first polarizers. The light polarized in the second direction passes through the second polarizer disposed at another side of the transmissive LCD panel, and the light polarized in the first direction is blocked by the second polarizer. | 12-25-2008 |
| 20080304020 | Projecting device - A projecting device includes a casing, an optical engine, and a heat-dissipating mechanism. The casing includes a lower casing body and an upper casing body covering the lower casing body. The optical engine is disposed in the casing, and includes a light source module. The heat-dissipating mechanism includes a first blower disposed uprightly in the casing and adjacent to one side of the light source module for driving airflow to cool the light source module and the casing. The first blower has a thickness greater than one half of a length thereof and greater than one half of a width thereof. With the arrangement of the first blower, a sufficient amount of airflow is provided to the system to improve the heat-dissipating effect and to enhance system reliability. | 12-11-2008 |
| 20080299438 | FLOW CHANNEL PLATE - A flow channel plate adapted to a fuel cell apparatus is provided. The flow channel plate includes a separating film and a plurality of bar supporting members. The separating film is disposed between two components of the fuel cell apparatus, and the bar supporting members lean against the separating film and the two components to maintain a distance between the two components. The flow channel plate has low flow resistance. | 12-04-2008 |
| 20080291401 | ILLUMINANT MODULE AND OPTICAL PROJECTION DEVICE - An illuminant module includes a lamp including a lampwick, a reflector and a guide cap, a lamp holder, a blower, and an axial fan. At least one portion of the lampwick is disposed in the reflector. The guide cap having a guide wall, a first air outlet, and a first air inlet is connected to the reflector and covers an opening of the reflector. The lamp holder has a space where the lamp is disposed, a second air inlet corresponding to the first one, a third air inlet adjacent to the second one, a fourth air inlet adjacent to the third one, a second air outlet corresponding to the first one, and a third air outlet adjacent to the second one. The blower outside the space is disposed at the second air inlet. The axial fan outside the space is disposed adjacent to the third and fourth air inlets. | 11-27-2008 |
| 20080286623 | FUEL CELL APPARATUS - A fuel cell apparatus including a fuel cell module, a heat exchanging assembly, and an airflow producing element is provided. The fuel cell module is used to perform chemical reactions of a fuel cell. The heat exchanging assembly includes a first heat exchanging part, a second heat exchanging part, and a connection part. The connection part connects the first heat exchanging part and the second heat exchanging part respectively. The airflow producing element is adapted to produce an airflow, and the airflow flows through the first heat exchanging part, the fuel cell module, and the second heat exchanging part sequentially. | 11-20-2008 |
| 20080278694 | COLOR WHEEL MODULE AND PROJECTION APPARATUS USING THE SAME - A color wheel module including a motor, a filter unit, and a magnetic sensor is provided. The motor has a rotating unit. An index mark is disposed on the rotating unit. The filter unit is connected to the rotating unit. The magnetic sensor is disposed adjacent to the motor. The magnetic sensor is adopted for sensing the change of the magnetic field caused by the index mark rotating with the rotating unit. Further, a projection apparatus with the color wheel module is provided. | 11-13-2008 |
| 20080259542 | PLASMA DISPLAY - A plasma display including a shielding cover, a plasma display panel (PDP) and a circuit board is provided. The shielding cover includes a back plate and a frame, and the frame is connected to the back plate. The PDP is disposed inside the shielding cover and a gap is maintained between the PDP and the shielding cover. The circuit board is disposed between the PDP and the back plate. The shielding cover is grounded through the circuit board. The PDP is grounded via a single point grounding system through the circuit board. | 10-23-2008 |
| 20080259290 | PROJECTION APPARATUS - A projection apparatus including an illumination system, a reflective light valve, at least one field lens and, an imaging system is provided. The illumination system is for providing an illumination beam and the reflective light valve is on a transmission path of the illumination beam to convert the illumination beam into an image beam. The field lens is disposed to face a reflective surface of the reflective light valve and on transmission paths of the illumination beam and the image beam. The imaging system includes a projection lens and a first reflective element, in which the first reflective element is on a transmission path of the image beam, and outside the transmission path of the illumination beam, so as to reflect the image beam to the projection lens. An optic axis of the projection lens is perpendicular to a normal vector of the reflective surface of the reflective light valve. | 10-23-2008 |
| 20080259287 | PROJECTION APPARATUS - A projection apparatus includes a prism set, a light source, a reflective element, a light valve and a projection lens. The prism set includes a first prism having a first surface, a second surface and a third surface, and a second prism having a fourth surface opposite to the second surface, a fifth surface and a sixth surface. The reflective element, light valve and projection lens are respectively disposed adjacent to the third, fifth and sixth surfaces. The light source emits an illumination beam to the first surface. The illumination beam is reflected by the second surface and the reflective element. The illumination beam passes through the third, second, fourth and fifth surfaces in sequence. The illumination beam is converted by the light valve into an image beam which is reflected by the fourth surface and passes through the sixth surface to the projection lens in sequence. | 10-23-2008 |
| 20080253146 | LIGHT UNIFORMING ELEMENT AND ILLUMINATION SYSTEM - A light uniforming element adapted to an illumination system with multiple lamps is provided. The light uniforming element includes a hollow rod and a plurality of solid rods. The hollow rod has a first light input end and a first light output end opposite to the first light input end. Each of the solid rods has a second light input end and a second light output end opposite to the second light input end. The second light output ends are inserted into the first light input end of the hollow rod. The light outputting efficiency of the light uniforming element is relatively high to improve an image quality of a projection apparatus. | 10-16-2008 |
| 20080252458 | ELECTRONIC DEVICE - An electronic device including an electronic device body, a remote unit, an identification unit and a tag is provided. The remote unit has a first switch. The identification unit is disposed in the electronic device body, and the tag is disposed in the remote unit. When the remote unit is close to the electronic device body and the first switch is turned on, the identification unit is capable of identifying the tag to activate the electronic device body. Because the electronic device body is activated after the tag is identified by the identification unit, the invention is able to reduce the theft rate of the electronic device body by separately storing the electronic device body and the remote unit. | 10-16-2008 |
| 20080251384 | MANUFACTURING METHOD FOR STAMPER AND MANUFACTURING METHOD FOR LIGHT GUIDE PLATE USING THE STAMPER - A manufacturing method for a stamper is provided. UV light cure adhesive is sprayed on a substrate and cured to form a three-dimensional pattern. Thereafter, a stamper is formed on the substrate and the three-dimensional pattern, such that the stamper has a first pattern opposite to the three-dimensional pattern. Afterwards, the stamper is separated from the substrate and the three-dimensional pattern. The stamper is disposed in a cavity of an injection molding machine to form a light guide plate. The light guide plate has a second pattern identical with the three-dimensional pattern. | 10-16-2008 |
| 20080247190 | HIGH BRIGHTNESS DIFFUSION PLATE - A high brightness diffusion plate for homogenizing light beams provided by at least one light source of a backlight module to a display panel is provided, which includes a diffusion layer, a transmittance layer, and a plurality of connecters. The transmittance layer is disposed above the diffusion layer, and the connecters are connected between the diffusion layer and the transmittance layer. Since the high brightness diffusion plate of the present invention is an integrated structure and is stronger, the present invention is not only easier for being assembled inside the backlight module, but also makes the light source provided by the backlight module being more homogeneous. | 10-09-2008 |
| 20080247168 | Light valve device - A light valve device includes a light valve disposed adjacent to a circuit board, and a heat-dissipating structure including a heat-dissipating main body and a heat-dissipating block. The heat-dissipating main body is disposed opposite to the light valve, and is formed with a groove defined by a first contacting surface and two engaging surfaces. The first contacting surface extends in a longitudinal direction perpendicular to the vertical direction and has two opposite longitudinal edges. The engaging surfaces respectively extend from the longitudinal edges and define an open side of the groove opposite to the first contacting surface in the vertical direction. The open side has a width in the transverse direction smaller than that of the first contacting surface. An engaging portion of the heat-dissipating block is disposed in the groove so that a second contacting surface is in contact with the first contacting surface. | 10-09-2008 |
| 20080241633 | Direct oxide fuel cell - A direct oxide fuel cell includes a membrane electrode assembly (MEA), an anode collector, a cathode collector, an anode flow channel plate, and an equalization structure. The anode collector and the cathode collector are disposed on two sides of the MEA respectively. The anode collector contains a plurality of through zones surrounded and a non-through zone. The anode flow channel plate is disposed on a side of the anode collector facing away from the MEA, and includes a fuel transmission channel. The equalization structure disposed in the fuel transmission channel has an end connected to the anode flow channel plate and an opposite end abutting against the anode collector. An area of non-through zones abutted by the equalization structure is bigger than an area of the through zones abutted by the equalization structure. | 10-02-2008 |
| 20080226963 | Flow field plate module for fuel cell system - A flow field plate module for a fuel cell system includes at least one flow field plate defining a fuel transporting channel thereon. The fuel transporting channel is divided into a middle converging zone having a group of first flow guiding plates arranged therein, and two diverging zones located at two lateral sides of the middle converging zone and each having a group of second flow guiding plates arranged therein. The second flow guiding plates are symmetrically arranged in the two diverging zones and are directed at respective inner end toward a space between two adjacent first flow guiding plates in the middle converging zone to thereby offset from each of the two adjacent first flow guiding plates by a predetermined distance in a fuel flowing direction, so that a fluid path is formed between any two adjacent first and second flow guiding plates. | 09-18-2008 |
| 20080226962 | WATER RECYCLING SYSTEM - A water recycling system for recycling water produced by a fuel cell module is provided. The water recycling system includes a fan, a mixing tank, and a duct. The fan has an exhaust opening and a suction opening adjacent to a cathode of the fuel cell module. The fan is used to vaporize water produced by the fuel cell module into vapor and exhaust the vapor from the exhaust opening. The mixing tank has a fuel inlet and a fuel outlet. A fuel for the fuel cell module is injected into the mixing tank via the fuel inlet, and the fuel outlet is connected to the fuel cell module. The duct has a first end and a second end. The first end is connected to the exhaust opening, and the second end is in contact with the fuel inside the mixing tank. | 09-18-2008 |
| 20080225525 | LIGHT SOURCE MODULE - A light source module for a projection apparatus including a light source unit, a fan, a temperature sensor and a temperature controller is provided. The fan is disposed towards the light source unit and is capable of cooling the light source unit. The temperature sensor is disposed adjacent to the light source unit and is capable of sensing an operating temperature of the light source unit. The temperature controller is electrically coupled to the fan and the temperature sensor, and is capable of adjusting a rotation speed of the fan according to the operating temperature of the light source unit. The invention is capable of keeping the operating temperature of the light source unit at or close to the predetermined operating temperature thereof by adjusting the rotation speed of the fan. | 09-18-2008 |
| 20080225243 | PROJECTION APPARATUS - A projection apparatus including a projection body and at least one adjusting leg is provided. The projection body has a casing, and the bottom of the casing has at least one accommodating cave. The adjusting leg includes a supporter and a pivoting rod. The supporter has a supporting portion and a screw connected to the supporting portion, and the projection body is capable of being supported on a surface by the supporting portion. The pivoting rod is pivoted to the casing and has a threaded hole, and the screw is screwed into the threaded hole. The pivoting rod is capable of being rotated along an axis of the pivoting rod to drive the supporter to rotate, so as to accommodate the supporting portion in the accommodating cave. | 09-18-2008 |
| 20080224638 | KEY MODULE HAVING LIGHT-INDICATING FUNCTIONALITY AND A METHOD FOR CONTROLLING THE SAME - A key module includes a key, a light emitting component, and a drive circuit. The key is operable between on and off states. The light emitting component is disposed adjacent to the key, and is capable of providing indicating light for the key. The drive circuit is electrically connected to the key and the light emitting component. The drive circuit is triggered upon switching of the key from the off state to the on state to provide a drive signal with an intensity that gradually decreases over time for driving the light emitting component such that the light emitting component provides the indicating light with a luminance that gradually decreases over time. | 09-18-2008 |
| 20080198340 | IMAGING MODULE - An imaging module includes a first housing, a projection lens, elastic members and lock members. The first housing has a first combination part having first lock holes. The projection lens has a lens barrel and at least one lens disposed inside the lens barrel. The lens barrel has a plurality of connection parts extending outward. Each connection part has a second lock hole. The elastic members are disposed between each connection part and the first combination part. Each elastic member has a first surface leant against the corresponding connection part and a second surface leant against the first combination part. The first surfaces form a first datum plane. The connection parts lean against the first datum plane. Each lock member is inserted into the corresponding second lock hole, the corresponding first lock hole and the elastic member between the corresponding second lock hole and first lock hole. | 08-21-2008 |
| 20080198336 | PROJECTION APPARATUS AND LAMP MODULE - A projection apparatus including a casing, a lamp module, an imaging system and an optical engine is provided. The lamp module is disposed in the casing and includes a frame, a first fan, a plurality of light sources and a wind guiding device. The first fan is disposed on the frame and provides a cooling airflow. The light sources provide a light beams. The wind guiding device is disposed between the first fan and the frame, and has a baffle disposed on a flowing path of the cooling airflow to divide the cooling airflow into a plurality of cooling sub-airflows for cooling the light sources respectively. The imaging system and the optical engine are received in the casing and disposed on the transmission path of the light beam, and the optical engine is positioned between the lamp module and the imaging system. | 08-21-2008 |
