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Weng, Hsinchu
Chao-Hung Weng, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 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 |
| 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 |
| 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 |
Cheng-Chih Weng, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20100127428 | Fabrication of carbon nanotubes reinforced semi-crystalline polymer composite bipolar plates for fuel cell - A composite bipolar plate for a polymer electrolyte membrane membrane fuel cell (PEMFC) is prepared as follows: a) melt compounding a polypropylene resin and graphite powder at 100-250° C. and 30-150 rpm to form a melt compounding material, the graphite powder content ranging from 50 wt % to 95 wt % based on the total weight of the graphite powder and the polypropylene resin, and the polypropylene resin being a homopolymer of propylene or a copolymer of propylene and ethylene, wherein 0.05-20 wt % carbon nanotubes, based on the weight of the polypropylene resin, are added during the melt compounding; and b) molding the melt compounding material from step a) to form a bipolar plate having a desired shaped at 100-250° C. and 500-4000 psi. | 05-27-2010 |
Cheng Yen Weng, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20120075132 | METHOD AND APPARATUS FOR CALIBRATING SIGMA-DELTA MODULATOR - In a method of converting an analog signal to digital format, an analog input signal is received and processed using sigma-delta modulation to provide a first digital signal that represents the analog input signal in digital format and to provide a second digital signal that represents a first error introduced during the sigma-delta modulation. A second error that is error introduced during the sigma-delta modulation is estimated. A pre-correction signal is determined based on the first and second digital signals. A difference between the estimated second error and the pre-correction digital signal is determined to provide a digital output signal representing the analog input signal in digital format. An error correction element operable to adjust the digital output signal based on the analog input signal, the digital output signal, and the second digital signal is controlled. | 03-29-2012 |
| 20120081244 | METHOD AND APPARATUS FOR ANALOG TO DIGITAL CONVERSION - An analog to digital converter (ADC) comprises an input node having a variable analog input voltage, first and second switched capacitor circuits, an operational amplifier, and a control circuit. The first switched capacitor circuit has first and second capacitors and is coupled to the input node, and the second switched capacitor circuit has third and fourth capacitors and is coupled to the input node. The operational amplifier is configured to be conditionally coupled to only one of the first and second switched capacitor circuits at a time and configured to conditionally provide feedback to the switched capacitor circuits via an output node. The control circuit is coupled to the first and second switched capacitor circuits for conditional coupling to the operational amplifier. | 04-05-2012 |
Chi-Ming Weng, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20080225570 | OVER-DRIVEN ACCESS METHOD AND DEVICE FOR FERROELECTRIC MEMORY - An over-driven access method and device for ferroelectric memory. When accessing the data stored in a ferroelectric memory, the invention further provides an over-driven current to slightly reduce/raise the voltages in bit lines BL and BL′ to further enlarge the voltage difference therebetween after having raised the plate-line /bit-line voltage using the plate-line /bit-line driven method. | 09-18-2008 |
Ching-Liang Weng, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20100259338 | High frequency and wide band impedance matching via - A high frequency and wide band impedance matching via is provided, applicable to multi-layer printed circuit boards, for example. The multi-layer circuit board may include several signal transmission traces, several ground layers, signal transmission vias and ground vias. The signal transmission traces and the ground layers may be sited on different circuit layers, and each signal transmission trace may be opposite to one of the ground layers. The signal transmission vias may be connected between the signal transmission traces. The ground vias may be connected between the ground layers. The ground vias may be opposite to the signal transmission vias, and the ground vias corresponding to the signal transmission vias may be sited to stabilize the characteristic impedance of the transmission traces. | 10-14-2010 |
Chi Pei Weng, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20120224764 | METHOD FOR COLOR RECOGNITION - A color recognition method is provided, including a color learning phase and a color recognition phase. The color learning phase further includes the steps of: preparing a plurality of color images printed on at least a sheet of paper; for each color image of the plurality of color images, obtaining the digital signals representing the red, green and blue components of the color; associating the digital signals with an audio file related to the color image; and storing the digital signals with associated audio file to a database in the storage device. The color recognition phase further includes the steps of: obtaining the digital signals representing the red, green and blue components of an color image printed on a sheet of paper; comparing the digital signals representing the color image to a pre-stored database in a storage device; if a match is found, playing the associated audio file. | 09-06-2012 |
Fang-Bor Weng, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20080248366 | FUEL CELL WITH A COMBINED FUEL SUPPLY UNIT AND POWER GENERATING UNIT STRUCTURE - The present invention is a fuel cell with a combined fuel supply unit and power generating unit. The fuel cell includes a fuel supply unit, a power generating unit, and an enclosure. The fuel supply or fuel storage unit is incorporated laterally or internally into the power generating unit, thereby shortening the fuel pipeline. The performance of the fuel cell is improved, and the space required for fuel cell is reduced for greater applicability. | 10-09-2008 |
Fu-Tien Weng, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20090102005 | Wafer level package and mask for fabricating the same - An exemplary wafer level package comprises a semiconductor wafer with a plurality of semiconductor chips of perfect polygonal shapes thereon. A circuit-free area is defined over the semiconductor wafer to electrically isolate the semiconductor chips. A dam structure is substantially formed over the circuit-free area, wherein a portion of the dam structure formed around an edge of the semiconductor wafer is formed with a plurality via holes therein. A transparent substrate is formed over the semiconductor wafer, defining a plurality of cavities between the semiconductor chips and the transparent substrate, wherein the transparent substrate is supported by the dam structure. | 04-23-2009 |
Jen-Chung Weng, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20090018789 | IMAGE AUTO-CALIBRATION METHOD AND SYSTEM - An image auto-calibration method for an image capture device having an image sensor is provided. The method includes the steps of receiving an image matrix; transforming the image matrix into an image signal via the image sensor; generating n first sampling pulses and n second sampling pulses in response to the image signal, wherein one of the first sampling pulses and one of the second sampling pulses constitute a sampling pulse set; calculating an eigenvalue of the image signal according to each of the sampling pulse sets; and outputting an image according to the sampling pulse set with the largest eigenvalue. | 01-15-2009 |
Jeng-Chih Weng, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20100059718 | Fabrication of carbon nanotubes reinforced polymer composite bipolar plates for fuel cell - A composite bipolar plate for a polymer electrolyte membrane fuel cell (PEMFC) is prepared as follows: a) compounding vinyl ester and graphite powder to form bulk molding compound (BMC) material, the graphite powder content ranging from 60 wt % to 95 wt % based on the total weight of the graphite powder and vinyl ester, wherein carbon nanotubes together with a polyether amine dispersant or modified carbon nanotubes 0.05-10 wt %, based on the weight of the vinyl ester resin, are added during the compounding; b) molding the BMC material from step a) to form a bipolar plates having a desired shaped at 80-200° C. and 500-4000 psi. | 03-11-2010 |
| 20100283174 | Fabrication of polymer grafted carbon nanotubes/polypropylene composite bipolar plates for fuel cell - A composite bipolar plate for a proton exchange membrane fuel cell (PEMFC) is prepared as follows: a) melt compounding a polypropylene resin and graphite powder to form a melt compounding material, the graphite powder content ranging from 50 wt % to 95 wt % based on the total weight of the melt compounding material and the polypropylene resin being a homopolymer of propylene or a random copolymer of propylene and ethylene, butylenes or hexalene, wherein 0.01-15 wt % of polymer-grafted carbon nanotubes by an acyl chlorination-amidization reaction, based on the weight of the polypropylene resin, are added during the compounding; and b) molding the melt compounding material from step a) to form a bipolar plates having a desired shaped at 100-250° C. and 500-4000 psi. | 11-11-2010 |
Jeng-Chin Weng, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20100127424 | Fabrication of metal meshes/carbon nanotubes/polymer composite bipolar plates for fuel cell - A reinforced mesh structure containing bipolar plate for a polymer electrolyte membrane fuel cell (PEMFC) is prepared as follows: a) compounding vinyl ester and graphite powder to form bulk molding compound (BMC) material, the graphite powder content ranging from 60 wt % to 95 wt % based on the total weight of the graphite powder and vinyl ester, wherein 0.05-10 wt % reactive carbon nanotubes modified by acyl chlorination-amidization reaction, based on the weight of the vinyl ester resin, are added during the compounding; b) molding the BMC material from step a) with a metallic net being embedded in the molded BMC material to form a bipolar plates having a desired shaped at 80-200° C. and 500-4000 psi. | 05-27-2010 |
Lin-Chu Weng, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20090002989 | INTEGRALLY FORMED REFLECTOR STRUCTURE, BACKLIGHT MODULE USING THE SAME REFLECTOR STRUCTURE AND METHOD FOR ASSEMBLING THE SAME BACKLIGHT MODULE - The present invention discloses an integrally formed reflector structure, a backlight module using the same reflector structure and a method for assembling the same module. An accommodation spacer and a plurality of lamp-support members are formed on a reflector baseplate with a vacuum-forming method, and a plurality of extension portions extend from the edges of the accommodation space. Further, pluralities of support pins, reflecting members, lamp-fixing members, positioning members, bent portions, etc. are formed in the appropriate positions of the reflector baseplate or the extension portions with a vacuum-forming method. Besides, the extension portions are bent from the bent portions to form a plurality of grooves, which are used to secure optical films in cooperation with the positioning members. | 01-01-2009 |
Vincent Weng, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20090054785 | METHOD FOR DETECTING BODY TEMPERATURE OF LIVE BODY - The present invention discloses a method for detecting body temperature of a live body. Firstly, an infrared thermometer is used to scan a testee to obtain a plurality of infrared signals. Next, the infrared signals are sequenced to obtain the greatest one thereof. Next, several infrared signals closest to the greatest infrared signal are selected from the sequenced infrared signals. Next, an average infrared signal is worked out from the selected infrared signals. Then, the average infrared signal is converted into a temperature. Thereby, not only the test result is more precise, but also the testee can learn the test result sooner. | 02-26-2009 |
| 20090067472 | Infrared thermometer and detecting head component thereof - The present invention discloses an infrared thermometer and a detecting head component thereof. The novel detecting head component is located on the top of the infrared thermometer. The detecting head component includes a shell, n infrared detector inside the shell, and a sleeve unit, coupled to the part of the shell which contacts with a measuring object. The infrared thermometer in the present invention can increase the comfortableness of user during using the infrared thermometer. | 03-12-2009 |
| 20090116540 | Probe cover for ear thermometer - The present invention discloses a probe cover for an ear thermometer, which comprises: a film cover and a base. The film cover has a cover window able to contact the probe window at the front end of the ear thermometer, a hollow cone able to contact the sidewall of the probe and a strengthened element able to contact the cover window and the hollow cone. The thickness of the cover window is same as the thickness of the strengthened element and greater than the thickness of the hollow cone. Thereby, the present invention can prevent the variation of infrared transmittance caused by the misarrangement and non-uniform thickness of the probe cover film disposed at the front of the probe window. | 05-07-2009 |
| 20090129435 | Probe structure - The present invention discloses an improved probe structure, which is installed in the body of an infrared clinical thermometer and comprises a plastic hollow casing having an opening; a curved block annularly arranged inside the opening; a hollow sleeve arranged inside the casing and along the perimeter of the opening; a temperature sensor arranged inside sleeve and below the curved block; a support element arranged inside the sleeve and supporting the temperature sensor; and a thermal insulation ring encircling the temperature sensor and pressing against the inner wall of the sleeve. The thermal insulation ring has an outer diameter larger than a width of the temperature sensor, and an air gap is thus formed between the temperature sensor and the inner wall of the sleeve; the top of the thermal insulation ring has an altitude higher than the top of the temperature sensor, and another air gap is thus formed between the temperature sensor and the curved block. Thereby is effectively retarded heat conduction from the external to the temperature sensor. | 05-21-2009 |
| 20110216806 | EAR THERMOMETER WITH EAR CANAL SENSING DEVICE AND MEASUREMENT METHOD THEREOF - An ear thermometer with an ear canal sensing device and a measurement method thereof is disclosed. The ear thermometer mainly comprises two sensors. One is an approach sensor installed on a probe. The approach sensor used as the ear canal sensing device determines whether the probe is inserted into an ear canal. Also, the approach sensor is used as the basis to switch the measurement mode to an ear temperature mode or a second measurement mode, such as the forehead temperature mode, surface temperature mode, or room temperature mode. The other is an infrared sensor used to measure temperatures. After the approach sensor determines the measurement mode, the infrared sensor measures the temperature to obtain a signal. Then, the signal is processed through a control module to be shown on a display unit. | 09-08-2011 |
Wei-Kuang Weng, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20100133908 | USB DEVICE WITH INTERNAL ASSISTING POWER - An universal-serial-bus external device is connected to an universal-serial-bus port of a computer host and the universal-serial-bus port comprises a positive-power end from which a main current is outputted. The external device includes: a load circuit comprising a positive-power end to which a main current is outputted from the positive-power end of the universal-serial-bus port, wherein a load current, for driving the universal-serial-bus external device, is inputted to the positive-power end of the load circuit; and an assisting-power circuit comprising an output end from which an assisting current is outputted to the positive-power end of the load circuit; wherein the load circuit is only provided by the main current if the load current is lower than a first threshold current; and, the load circuit is provided by both the main current and the assisting current if the load current is higher than a second threshold current. | 06-03-2010 |
Wei-Tse Weng, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20110237019 | Method for Improving the Efficiency of Flexible Organic Solar Cells - The present invention discloses a method for improving the efficiency of flexible organic solar cells. The steps of the method comprise: a conductive film-coated flexible substrate is provided; and a hole blocking layer is formed on the flexible substrate by atomic layer deposition, or an active layer is formed first then a hole blocking layer is formed on the active layer by atomic layer deposition. Atomic layer deposition can control the thickness of the hole blocking layer precisely and form uniformly surface in a large area, so that the power conversion efficiency of the flexible organic solar cell is increasing effectively. | 09-29-2011 |