Patent application number | Description | Published |
20120281417 | DIRECTIONAL LIGHT SOURCE DEVICE - A highly directional light source device, more specifically, a light emitting element electrically connected on a substrate to produce light, and one interior having a photon recycler with a reflective surface, covered and set on one side of this substrate, and an opening set in the center of the top of the cover which corresponds with the light emitting element, thereby allowing the light from the light emitting element to be directly emitted out the opening, and then to be reflected back to the light emitting element through the reflective surface of the photon recycler, and after light is reflected or refracted according to the structure of the light emitting element, again through the opening the light is emitted onto the photon recycler, thereby achieving increased Étendue of the highly directional light source device and achieving the goal of effective light emission. | 11-08-2012 |
20130250572 | LIGHTING APPARATUS - A lighting apparatus includes a circuit board, a plurality of light-emitting diode (LED) units and an optical element. The optical element is transflective. The LED units and the optical element are disposed on the circuit board. The optical element has at least one reflective surface so that lights emitted from the LED units to the optical element partially penetrate through and are partially reflected by the optical element. | 09-26-2013 |
20150243657 | SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE PACKAGE USING THE SAME - A semiconductor device includes an active layer, a source electrode, a drain electrode, a gate electrode, an interlayer dielectric, an inter-source layer, an inter-source plug, an inter-drain layer, an inter-drain plug, an inter-gate layer, and an inter-gate plug. The active layer is made of III-V group semiconductors. The source electrode, the drain electrode, and the gate electrode are disposed on the active layer. The gate electrode is disposed between the source electrode and the drain electrode. The interlayer dielectric covers the source electrode, the drain electrode, and the gate electrode. The inter-source layer, the inter-drain layer, and the inter-gate layer are disposed on the interlayer dielectric. The inter-source plug is electrically connected to the source electrode and the inter-source layer. The inter-drain plug is electrically connected to the drain electrode and the inter-drain layer. The inter-gate plug is electrically connected to the gate electrode and the inter-gate layer. | 08-27-2015 |
Patent application number | Description | Published |
20120326173 | LIGHT EMITTING DIODE ELEMENT, METHOD OF FABRICATION AND LIGHT EMITTING DEVICE - A light emitting diode comprises a multi-layer semiconductor, a first electrode and a second electrode. The multi-layer semiconductor has a light emitting active layer substantially perpendicular to the predetermined surface, a first semiconductor layer located on a surface of the light emitting active layer and a second semiconductor layer located on an opposite surface of the light emitting active layer. The first electrode is provided adjacent to and electrically connect to the first semiconductor layer. The second electrode is provided adjacent to and electrically connect to the second semiconductor layer. In addition, a method of fabricating LED element and a light emitting device having the LED elements are provided. | 12-27-2012 |
20130240920 | MULTI-DIRECTION BULB-TYPE LAMP - A multi-directional bulb-type lamp is disclosed. The multi-directional bulb-type lamp includes a carrying body, a flexible substrate, and a plurality of LED dies. The flexible substrate is a substrate extending toward multi-directions and attached to the carrying body along a surface thereof. The LED dies are directly disposed on the flexible substrate and electrically connected thereto. Whereby, structures of the bulb-type lamp will be simplified for easy assembly, and multi-directional lighting will be reached. | 09-19-2013 |
20130314931 | LIGHT EMITTING SEMICONDUCTOR ELEMENT AND METHOD OF MANUFACTURING THE SAME - A light emitting semiconductor element includes at least two electrically conductive units, at least a light emitting semiconductor die and a light transmitting layer. A groove is located between the two electrically conductive units. The light emitting semiconductor die is cross over the electrically conductive units. The light transmitting layer covers the light emitting semiconductor and partially fills within the groove for linking the electrically conductive units. | 11-28-2013 |
20140209957 | LIGHT-EMITTING ELEMENT AND MANUFACTURING METHOD THEREOF - A light-emitting element includes two electrically conductive layers, a flexible insulating layer, a light-emitting chip and an encapsulating body. A groove is formed between the electrically conductive layers. The flexible insulating layer is disposed within the groove and links the electrically conductive layers. The light-emitting chip is placed on one of the electrically conductive layers or crossing over the flexible insulating layer. The light-emitting chip is electrically connected to the electrically conductive layers and covered by the encapsulating body. | 07-31-2014 |
20150014714 | LIGHT EMITTING SEMICONDUCTOR - A light emitting semiconductor element includes at least two electrically conductive units, at least a light emitting semiconductor die and a light transmitting layer. A groove is located between the two electrically conductive units. The light emitting semiconductor die is cross over the electrically conductive units. The light transmitting layer covers the light emitting semiconductor and partially fills within the groove for linking the electrically conductive units. | 01-15-2015 |
Patent application number | Description | Published |
20120032749 | DIFFERENTIAL SIGNAL LINE STRUCTURE - A differential signal line structure is disposed on a substrate including a signal layer, a filter layer and a grounding layer. The signal layer, the filter layer and the grounding layer are arranged from up to down and in parallel manner. The differential signal line structure accordingly includes a differential signal line group, a first wire and a first grounding circuit; the differential signal line group is disposed in the signal layer; and the first wire is disposed in the filter layer and is arranged in a corresponding position right underneath the differential signal line group. The first grounding circuit is disposed in the grounding layer and is electrically connected to an end point of the first wire through a first via. | 02-09-2012 |
20120032754 | DELAY LINE STRUCTURE - A delay line structure includes a flat spiral delay line and two grounding guard traces. The flat spiral delay line is disposed in the layout layer in a manner of extending from an input end, bending clockwise inward until reaching a U-turn part, continuously extending and bending counterclockwise outward to an out put end so as to form two coupling areas, which are spiral and have an opening respectively. The two grounding guard traces are disposed in the layout layer in a manner of extending from the openings respectively toward the coupling areas, having an interval between the grounding guard traces and the flat spiral delay line, wherein the grounding guard traces close to the openings of the coupling areas are electrically connected to the grounding circuit through a via respectively. | 02-09-2012 |
20120032755 | DELAY LINE STRUCTURE - A delay line structure includes a serpentine delay line, a first grounding guard trace and a second grounding guard trace. The serpentine delay line is disposed in a layout layer of a substrate in a manner of extending from an input end to an out put end in serpentine so as to form at least a first coupling area having a first opening toward a first direction and at least a second coupling area having a second opening toward a direction opposite to the first direction. The first grounding guard trace is disposed in the layout layer in a manner of extending from the first opening toward the first coupling area and an end of the first grounding guard trace close to the first opening is electrically connected to the grounding circuit through a first via. The second grounding guard trace is disposed in the layout layer in a manner of extending from the second opening toward the second coupling area and an end of the second grounding guard trace close to the second opening is electrically connected to the grounding circuit through a second via. | 02-09-2012 |
20130015925 | DELAY LINE STRUCTUREAANM SHIUE; GUANG-HWAAACI CHUNG LIAACO TWAAGP SHIUE; GUANG-HWA CHUNG LI TWAANM SHIU; JIA-HUNGAACI CHUNG LIAACO TWAAGP SHIU; JIA-HUNG CHUNG LI TW - A delay line structure has a serpentine delay line pair, a first and second grounding guard trace and two third grounding guard traces. The delay line pair is located in a layout layer extending from an input to an output end, The first and second grounding guard traces are connected to the grounding circuit through respective vias and are located in the layout layer. The third grounding guard traces are respectively located in the layout layer by an upper and lower edge of the delay line pair and are connected to the grounding circuit through respective vias. | 01-17-2013 |
20130037315 | DELAY LINE STRUCTURE - A delay line structure disposed on a substrate having a dielectric base layer formed with a via, a layout layer and a grounding layer with a grounding circuit, includes two parallel spiral delay lines having a first outer straight section, a first outer bent section, an inner spiral region, a second outer bent section and a second outer straight section. The inner spiral region bends reciprocally between the first and second outer straight sections to form several inner bent parts and several inner straight parts. A grounding guard trace is disposed among the first and second outer straight sections and the inner straight parts and is coupled electrically to the grounding circuit, wherein each of the first and second outer bent sections and the inner bent parts has a width smaller than each of the first and second outer straight sections and the inner straight parts. | 02-14-2013 |
20150288050 | SERPENTINE DELAY LINE STRUCTURE - A serpentine delay line structure for reducing the common-mode noise is provided to a substrate having a layout layer, a first dielectric layer, a second dielectric layer, and a grounding layer. The serpentine delay line structure includes a first serpentine delay line pair, a second serpentine delay line pair, a third serpentine delay line pair, a first transition serpentine delay line pair, and a second transition serpentine delay line pair. The first serpentine delay line pair and the second serpentine delay line pair on the layout layer are electrically connected to the first transition serpentine delay line pair on the first dielectric layer through corresponding vertical vias. The second serpentine delay line pair and the third serpentine delay line pair on the layout layer are electrically connected to the second transition serpentine delay line pair on the first dielectric layer through corresponding vertical vias. | 10-08-2015 |
20150382450 | TRANSMISSION LINE STRUCTURE - A transmission line structure emplaces at a substrate which includes a first layout layer, a first dielectric layer, a second dielectric layer, a second dielectric layer, and a grounding layer includes a first transmission line pair and at least one second transmission line. The first transmission line pair is set on the first layout layer. The second transmission line is set on the second layout layer. A line of first transmission line pair and a line of the second transmission line cross each other and form a crossing area. A width of the line is narrow. A distance between the first transmission line pair and the second transmission line at the crossing area is less than a distance at an outstanding area. | 12-31-2015 |
Patent application number | Description | Published |
20130049878 | DIFFERENTIAL MODE TRANSMISSION LINES WITH WEAK COUPLING STRUCTURE - A differential mode transmission line with a weak coupling structure is presented. The differential mode transmission line with a weak coupling structure includes a first transmission line and a second transmission line. The first transmission line includes a first wiring portion, a second wiring portion, and a third wiring portion. The second transmission line also includes a first wiring portion, a second wiring portion, and a third wiring portion. The wiring portions of the present disclosure are connected through connection portions, and the connection portions are designed as a corner structure. Due to the characteristics of the corner structure of the present disclosure, a pitch between the second wiring portions is greater than that between the first wiring portions or the third wiring portions, thereby generating a weak coupling structure to suppress common mode noises. | 02-28-2013 |
20160006097 | FILTER DEVICE - Disclosed herein is a filter device for suppressing ground bounce and electromagnetic interference. The filter device comprises a dielectric substrate, a signal transmission layer, a signal via, a plurality of ground vias, and first, second, and third metal layers. The signal transmission layer is located on the dielectric substrate, the vias and the first and second metal layers in the dielectric substrate, and the third metal layer underneath it. The first metal layer has a filter portion and a resonance portion. The ground vias connect the second and third metal layers and are disposed perpendicularly to them. The signal via, disposed in a via space defined by the ground vias, connects the first metal layer and the signal transmission layer. As a result, the resonance portion is able to reduce noise of a certain frequency band, the ground vias abate ground bounce, and electromagnetic interference is minimized. | 01-07-2016 |
Patent application number | Description | Published |
20080198531 | CAPACITIVE DEIONIZATION SYSTEM FOR WATER TREATMENT - A capacitive deionization (CDI) system for deionizing water is disclosed. The CDI system comprises at least a flow through capacitor (FTC) module, at least a first supercapacitor, at least a second supercapacitor, at least a third supercapacitor and a controller. The FTC module comprises a plurality electrodes for removing ions from water flowing between the electrodes under an electric field applied between the electrodes. The first supercapacitor is connected between the potential source and the FTC module for amplifying energy provided by the potential source. The second supercapacitor is connected to the FTC module for receiving energy from the FTC module for regenerating the electrodes of the FTC module. The third supercapacitor is adapted for exchanging energy with the FTC module for regenerating the electrodes of the FTC module. The controller is adapted for regulating deionization rate of the water and regeneration of the electrodes of the FTC module. | 08-21-2008 |
20100135869 | OZONE GENERATORS - An ozone generator for in-situ sterilization of water, which may be pocket-sized, is disclosed. The ozone generator includes a power source, at least a supercapacitor, a switching circuitry and at least a pair of electrodes. The power source is adapted for providing a reaction energy to generate ozone gas within the water to be treated. The supercapacitor is adapted for amplifying the reaction energy provided by the power source. The circuitry is adapted for controlling the supercapacitor to deliver consistent power supply to generate ozone. The electrodes are adapted for receiving the amplified reaction energy from the supercapacitor to generate ozone within the water to be treated. | 06-03-2010 |
20100302708 | BIPOLAR SUPERCAPACITORS AND METHODS FOR MAKING SAME - The present invention relates to a bipolar element for energy storage, which facilitates the manufacturing thereof with high working voltage. The bipolar element for energy storage includes two end electrodes with a dedicated means for connecting to a potential source; at least one intervening electrode disposed between the said end electrodes wherein the said intervening electrode has no connection to a potential source; and a separator disposed after each electrode for concentrically winding the said electrodes and separators into a jelly roll; or a separator disposed between every two electrode for stacking the said electrode and separator into a prismatic form; an organic electrolyte solution is added to the said separators for storing energy with a potential applied to the said end electrodes by the said power supply, wherein the bipolar element is partially sealed. The said assemblies of making high voltage supercapacitors in single units or modules can facilitate the usage of the devices as power managers in high power applications for automobiles, power tools, machineries and automatic system. | 12-02-2010 |
20130134080 | NOVEL METHOD FOR TREATING WASTE WATERS - A chemical-free and no-microbe method for pre-treating a broad range of waste waters is presented. The said method involves electrocoagulation (EC) operated in synchronization with electrolytic ozone (EO | 05-30-2013 |
20140110316 | Flow Through Adsorber for TDS Ablation - Using seawater as a benchmark of water with high TDS (total dissolved solids) Raw seawater can be instantly and significantly desalted just by passing a flow through adsorber (FTA) without applying electricity to the adsorbent therein. Various precursors may be converted to dual-functional adsorbents for the FTA. A cation-adsorbing group and an anion-adsorbing group are grafted onto the surface of the adsorbents by phosphorylation and amination, respectively. Based on the applications, the adsorbent may be configured as membrane form or packed bed in the FTA. When the adsorbent becomes saturated, it can be regenerated online using liquids cleaner than the intake. Besides seawater, the FTA may be utilized for treating other TDS-infested wastewaters at very minimal cost. | 04-24-2014 |
Patent application number | Description | Published |
20090114632 | Remote control operated heater for water sports garments - An aquatic garment-heating device employs a conductive rubber-heating device, which obviates the troublesome wiring of the prior art heating devices. It also employs a wireless switch control, which provides a number of advantages. By using a wireless switch, the on/off mechanism for activating or deactivating the heater, may be worn on a diver's wrist where it can be readily located when needed without requiring wires hanging in inconvenient places. Moreover, because the wireless switch may be located in plain view, rather than hidden in a pocket for example, it may be implemented with meaningful visual devices to convey useful information about the status of the heater. For example, in the preferred embodiment, an observable light provides various different colors to indicate whether the heater is in a low, medium or high temperature condition. Finally, the present invention uses especially thin profile batteries and heating elements to preclude any discomfort for the user. An alternative embodiment is provided on an external, detachable belt, which may still employ the wireless switch and thin profile heating element and batteries, but in an implementation, which permits the diver to add a heating system to an otherwise conventional wetsuit. | 05-07-2009 |
20100279565 | Life vest made with a thicker and more elastic fiber - A life vest manufactured from an improved fabric, having a thickness ranging from 1.4 mm to 3.0 mm, and high elasticity provided by knitting with a double circular knitting machine under the setting of 20-28 gauges per inch. The improved thickness and high elasticity fabric is made of non-elastic yarns, selected from polyester, polyamide, or polypropylene, and from elastic yarns, of polyurethane. The combination of woven elastic and non-elastic yarns provides an intricate yet highly comfortable fabric which is soft and “furry” to the touch. | 11-04-2010 |
20110000002 | Wetsuit made with a low-absorbent, good wicking and quick drying fabric - An improved low-absorbent, good wicking and quick drying wetsuit fabric is made of non-absorbent fiber, processed with water repellent before being knitted, and high-absorbent fiber, processed with absorbent agent while being dyed and/or heat set, then knitted by a circular knitting machine under a setting of 18˜42 gauge per inches to form a structure of two-layer fabric. The outer side (the non-absorbent fiber) touches the skin of the wetsuit wearer to wick out the water, leaked into the space between the wearer and the wetsuit, quicker and make the wearer feel dry and comfortable. The inner side (the high-absorbent fiber) is laminated with rubber sponge to absorb the water, leaked from the body of the wetsuit, and wick the water out through the outer side (the non-absorbent fiber). Appropriate cutting and sewing steps are employed to finish the formation of the wetsuit. In an alternative embodiment, the outer side may comprise a fiber made of a combination of non-absorbent yarn and absorbent yarn. | 01-06-2011 |
20110000003 | Wetsuit made with a non-absorbent and quick drying fabric - A wetsuit having an outer and/or inner surface is manufactured from an improved non-absorbent and quick drying fabric. The improved non-absorbent and quick drying fabric is made of 100% non-absorbent fiber, selected from polyester, having a fineness ranging from 30 denier to 75 denier, and pre-processed with water repellent before being knitted, then knitted by a single circular knitting machine under a setting of 18˜44 gauge per inch. The result is an improved fine, thin, non-absorbent, and quick drying fabric, which prevents the penetration of water molecules. The improved non-absorbent and quick drying fabric is laminated with a rubber sponge material to form an improved non-absorbent and quick drying wetsuit material. Appropriate cutting and sewing processes are employed to finish the formation of a wetsuit and the improved non-absorbent and quick drying wetsuit is lighter and dries quicker when the wearer leaves the water since less water is absorbed by the wetsuit fabric as compared to a conventional wetsuit. | 01-06-2011 |
20110265233 | Water sports garments fabricated using stitchless seams reinforced by vulcanization and cross-linking - A method of fabricating wetsuits and boots or gloves, made from rubber sponge material especially used for water sports, adheres each piece of the composition of the wetsuit or boots/gloves to be free from the problems of leaking or breaking caused by sewing or stitching. The method makes the finished garment not only strong and flexible, but also watertight so that the garment wearer feels dry and comfortable. The new method comprises the step of making an adhesion to form a cover, with the width of 1-25 mm and thickness of 0.3-1 mm, on the glued seams of the garment outer and/or inner surface in order to make each piece of the garment adhered completely with no sewing or stitching. The new method includes the additional step of putting the adhered panels of the garment into an oven at a temperature of 80-130° C., and for a time of 5-60 minutes, to make the adhesion vulcanized and cross-linked. That step forms a soft and firm cover of the seams and makes the finished products equivalent in strength to sewing or stitching but avoids the defects of leaking, breaking or discomfort caused by needle holes, thread breaking or unraveling from sewing or stitching. | 11-03-2011 |
Patent application number | Description | Published |
20100239033 | Joint carrier synchronization and channel equalization method for OFDM systems - A joint carrier synchronization and channel equalization method for OFDM systems, that is suitable for use in a receiver of said orthogonal frequency division multiplexer (OFDM) systems, comprising the following steps: firstly, receiving a reception signal sample of an OFDM symbol, and obtaining simultaneously a phase error and a gain error on each sub-channel in a frequency domain, through outputting a sub-channel signal on each said sub-channel in said frequency domain; next, obtaining an execution carrier frequency offset factor, an execution phase compensation factor, and an execution gain compensation factor based on said phase error and said gain error; and finally, eliminating a phase offset of said reception signal sample of a next symbol in a time domain based on said factors, and compensating a magnitude distortion and a phase distortion on each said sub-channel in said frequency domain for said reception signal of said next symbol. | 09-23-2010 |
20110007556 | SRAM Architecture - A SRAM architecture comprises a read/write control signal, a read/write control transistor block, an equalize transistor block, a 6-T SRAM cell, a sense amplifier block, a column selection transistor block and a write driver. The 6-T SRAM cell can store and write data. The sense amplifier block is used to read out the data stored in the 6-T SRAM cell correctly when the SRAM architecture performs a read operation and makes bit lines BL (bit line) and BLB( | 01-13-2011 |
20110249709 | DHT-Based OFDM Transmitter and Receiver - A DHT-based OFDM transmitter and receiver use discrete Hartley transform to implement multicarrier transmission. A transmission terminal (or a receiving terminal) of a transmitter and receiver comprises two IDHT (or DHT) processors and a diagonal processing device. The two IDHT processors make the DHT-OFDM system transmit the 2D modulation signal to increase the bandwidth efficiency. The diagonal processing device is used to diagonalize the circulant channel matrix into discrete memoryless subchannels, and thus only one-tap frequency domain equalizer can compensate the channel effects. Besides, the proposed DHT-OFDM transmitter and receiver are also compatible with a conventional DFT-OFDM system, and they can flexibly works with the conventional DFT-OFDM transmitter and receiver. | 10-13-2011 |
20130069716 | TUNABLE VOLTAGE-CONTROLLED PSEUDO-RESISTOR - A tunable voltage-controlled pseudo-resistor structure, comprising: a symmetric PMOS transistor circuit and an auto-tuning circuit connected in series. Input of the auto-tuning circuit is connected to a central position V | 03-21-2013 |
20140194951 | ELECTRICAL STIMULATION APPARATUS AND METHOD - An electrical stimulation apparatus and an electrical stimulation method are provided. The electrical stimulation apparatus may include an electrode unit, a measurement unit and a stimulation unit. The electrode unit is used for contacting a tissue of interest (target tissue). The measurement unit is coupled to the electrode unit. The measurement unit measure a tissue characteristic of the target tissue. The stimulation unit is coupled to the measurement unit and the electrode unit. The stimulation unit stimulates the target tissue through the electrode unit by using an electrical stimulation signal, and the stimulation unit determines an amount of charge of the electrical stimulation signal according to the tissue characteristic measured by the measurement unit. | 07-10-2014 |
Patent application number | Description | Published |
20130308199 | BI-TELECENTRIC CONTINUOUS ZOOM IMAGING DEVICE - A bi-telecentric continuous zoom imaging device, comprising: a collimation object lens set, to convert parallel light beams of interference patterns into a convergent light beam, and to guide it onto an imaging route through optical route adjusting means. A telecentric imaging module converts interference pattern on imaging route into a telecentric image paralleling to an optical axis. Then, a bi-telecentric continuous zoom module adjusts a magnification ratio of telecentric image, and then outputs an object image. Finally, object image is formed on a charge coupled device (CCD). Through application of bi-telecentric continuous zoom imaging device, deficiency of conventional measurement system can be improved, even if the object distance is changed the magnification ratio of image can be kept, minimum optical distortion and good resolution can also be maintained. | 11-21-2013 |
20130335829 | BI-TELECENTRIC INTERFEROMETER CONTINUOUS ZOOM IMAGING DEVICE - A bi-telecentric interferometer continuous zoom imaging device, wherein a collimation object lens set, a telecentric imaging module, a telecentric continuous zoom module, and a CCD of modular design are formed on an integral circular tube main body, and can be calibrated and positioned separately. Then, a multi-partition isolation design is used to partition a housing into independent space for said various modules, to facilitate maintenance and also achieve customization. Collimation object lens set converts parallel light beams of interference pattern into a convergent light beam, and guides it to an imaging route through optical route adjusting means. Then, telecentric imaging module converts interference pattern on imaging route into an telecentric image parallel to optical axis, and telecentric continuous zoom module adjusts a magnifying ratio of telecentric image, then outputs an object image to form it on CCD, thus improving optical distortion and inferior resolution of the prior art. | 12-19-2013 |
20150098118 | DUAL-SLOPE LIGHT GUIDE, LIGHT SOURCE MODULE AND OPTICAL ASSEMBLY FOR SCANNER - A dual-slope light guide includes a first surface, a second surface and a curved surface. The first surface has first reflecting structures. The second surface, connected to the first surface, has second reflecting structures. An included angle between the first surface and the second surface is unequal to 180 degrees. The curved surface connects the first surface to the second surface. The first surface, the second surface and the curved surface extend from a first end of the light guide to a second end of the light guide. A light beam incident to the first end of the light guide is reflected and converted by the first reflecting structure and the second reflecting structure into linear light emitted from the curved surface. A light source module and an optical assembly for a scanner are also disclosed. | 04-09-2015 |
Patent application number | Description | Published |
20130258216 | PICO PROJECTION LIGHT SYSTEM - A pico projection light system for improving an optical engine of a pico projector and enhancing effects of lighting. The improved pico projection light system comprises a light-emitting diode acting as a light source, a set of three collimators arranged with spaces therebetween and converting light emitted by the light-emitting diode into a parallel light, a set of two lens arrays arranged with spaces therebetween and uniformizing the parallel light, a set of two positive lenses arranged with spaces therebetween and magnifying light emitted from the lens arrays, a polarizing beam splitter receiving the magnified light and having a horizontal polarized light pass therethrough, and a reflective liquid crystal panel reflecting light and modulating optical signals projecting on a screen. | 10-03-2013 |
20130258491 | PROJECTION LENS ASSEMBLY WITH SIX LENSES - A projection lens assembly with six lenses, suitable for being applied to a pico projector projecting vivid and clear images. The projection lens assembly comprises six lenses, that is, a first lens having a minus focal distance, a second lens having a positive focal distance, a third lens having a minus focal distance, a fourth lens having a positive focal distance, a fifth lens having a positive focal distance and a sixth lens having a positive focal distance arranged in sequence and with spaces therebetween, an aperture stop between the second lens having the positive focal distance and the third lens having the minus focal distance, a reflective liquid-crystal panel behind the sixth lens having the positive focal distance, wherein the front sixth lens having the positive focal distance has a greater area than that of the rear reflective liquid-crystal panel. | 10-03-2013 |
Patent application number | Description | Published |
20110261274 | STRUCTURE OF PICO PROJECTOR - A pico projector includes a light-emitting diode module, collimators, a lens array, magnification lenses, a reflection mirror, a polarizing beam splitter, an LCoS (light crystal on silicon) panel, and an image lens module, wherein the light-emitting diode module emits red, green, and blue lights. The collimators convert light from the light-emitting diode module into collimated light. The lens array homogenizes the collimated light. The magnification lenses magnify the homogenized light from the lens array with a predetermined ratio to be projected onto the LCoS panel. The reflection mirror changes direction of the light path. The polarizing beam splitter allows for transmission of a horizontal polarization light component and reflects a vertical polarization light component. The LCoS panel reflects and modulates the light to form an optic signal. The image lens module includes, in sequence, positive, positive, negative, positive, and positive lenses to project the optical signal to a screen. | 10-27-2011 |
20110317134 | MODULAR STRUCTURE OF PICO PROJECTOR - The structure of a projector contains a light path module, a projection lens module, a source lens module, a reflection mirror module, a reflection panel module, and a light source module. The light path module has a U-shaped body. The source lens module and the light source module are configured along a left side of the light path module. The projection lens module is configured along a right side of the light path module. The projection lens module is for projecting image to a screen. The source lens module is for modulating the light from the light source module. The reflection mirror module is installed at a left corner of the light path module to reflect the incident light from the light source module towards the reflection panel module. The reflection panel module is installed from the outside of a right corner of the light path module. | 12-29-2011 |
20120002171 | PROJECTION LENS MODULE OF PICO PROJECTOR - The projection lens module contains a number of lenses, a stop, a PBS (polarizing beam splitter), and a LCoS (liquid crystal on silicon) panel. The lenses, from outside towards inside, contains a negative first lens, a positive second lens attached to the negative first lens, a negative third lens, a positive fourth lens forming a doublet structure with the negative third lens, and a positive fifth lens. The stop is positioned between the positive second lens and the negative third lens. The PBS is positioned between the positive fifth lens and the LCoS panel, and the positive fifth lens has an area larger than that of the LCoS panel. The LCoS panel is positioned behind the PBS. The projection module is able to overcome the size issue of the projection lens module, to enhance image resolution and to reduce image distortion. | 01-05-2012 |
20120002174 | LIGHT SOURCE SYSTEM OF PICO PROJECTOR - The a light source system of pico projector is composed of a light-emitting diode module, collimators, a lens array, magnification lenses, and an LCoS (light crystal on silicon) panel, arranged in sequence with appropriate spacing in-between. The light-emitting diode module, as the light source, emits red, green, and blue lights. The collimators convert light from the light-emitting diode module into collimated light. The lens array homogenizes the collimated light. The magnification lenses magnify the homogenized light from the lens array with a predetermined ratio onto the LCoS panel. The LCoS panel reflects and modulates the light to form an optic signal to be projected to a screen. | 01-05-2012 |
20120069251 | DUAL PANEL MICRO REFLECTIVE LIQUID CRYSTAL PROJECTION DEVICE - A dual-panel micro reflective liquid crystal projection device is provided for improving brightness of projected image, including a set of two reflective liquid crystal panels respectively arranged at top side and right side of a polarizing beam splitter so that a light beam emitting from a light source located at bottom side of the beam splitter is received and split by the beam splitter into a horizontal polarization component and a vertical polarization component, which are then respectively reflected and modulated by the two reflective panels into vertically polarized light and horizontal polarized light for simultaneously transmitting identical image signals to a projection system arranged at left side of the beam splitter to thereby double the brightness of the image projected onto a screen. | 03-22-2012 |