Chang, Jhongli City
Chia-Lun Chang, Jhongli City TW
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20090146166 | Structure Applying Optical Limit Guide Layer - A structure applying an optical wave guide layer includes an incident light source and at least one optical wave guide layer. The structure can be in any geometric shape such as a planar, hemispherical or conical shape. The geometric structure is designed for collecting and guiding the incident light source in specific directions. The light can be guided by a combination of materials having different optical properties. The incident angle of the collected light is controlled and the materials are selected to effectively overcome a drawback of the prior art that a portion of the light of some optical components cannot be extracted by a light extraction method. | 06-11-2009 |
Chih-Chang Chang, Jhongli City TW
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20100123351 | POWER DEVICE - A power device transforms input power into power for output, and includes an input unit, a power factor unit, a first electronic switch, an output unit, and a control signal port. The power factor unit includes a power factor correction circuit and a first detection circuit connected to an output end of the power factor unit and the power factor correction circuit. The first electronic switch is connected to the first detection circuit, and is under control of the control signal port. | 05-20-2010 |
20100181927 | MULTI-LAMP DRIVING CIRCUIT - A multi-lamp driving circuit includes a power supply, a booster converter including a first winding and a second winding, a plurality of current balance circuits and a plurality of balance converters. The first winding of the booster converter is coupled to the power supply. Each of the current balance circuits includes a plurality of current balance sub-circuits each including a capacitor and a lamp connected in series. One end of each of the current balance sub-circuits is connected to one end of the second winding of the booster converter. A first winding of each of the balance converters is electrically connected between the other end of the second winding of the booster converter and the other end of the current balance sub-circuits of corresponding current balance circuits. Second windings of the balance converters are connected in series. | 07-22-2010 |
Chih-Horng Chang, Jhongli City TW
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20080305354 | Filler Composition for Welding onto a Substrate - A filler composition for welding onto a substrate is composed of 82.5˜96.5 wt %, aluminum, 3.0˜10.0 wt % copper, 0.2˜1.5 wt % magnesium, 0.1˜1.5 wt % silver, 0.1˜2.0 wt % scandium, 0˜1.5 wt % zirconium, and 0˜1.0 wt % titanium, and can be welded with a high success rate to a substrate (such as an aluminum-copper alloy substrate) and avoiding a hot cracking phenomenon and a low welding strength, so as to achieve the effects of enhancing the yield rate and lowering the cost of a product. | 12-11-2008 |
Chih-Ju Chang, Jhongli City TW
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20140133730 | TIME SYNCHRONIZATION CALIBRATION METHOD AND SYSTEM FOR IMAGE TAKING AND COORDINATE READING AND DELAY TIME CALCULATION METHOD THEREOF - A time synchronization calibration method and system for image taking and coordinate reading and a delay time calculation method thereof are disclosed. The time synchronization calibration method is as follows. Firstly, every time point, a calibrator coordinate, an operation target coordinate and an image thereof are obtained. The image similarity index of every image and the image of previous time point thereof is calculated. When the image similarity index is lower than a preset similarity index, a reading time of the image is output followed with calculating the difference of the reading time and a time delay to obtain a taking time of the image. Finally, calculating the coordinate transformation of the calibrator coordinate and the operation target coordinate, and corresponding it to the image to output an image-coordinate correspondence relation. The time delay can be obtained correctly with only one test, and provided for the consequent synchronization calibration. | 05-15-2014 |
Ching-Hsin Chang, Jhongli City TW
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20150240356 | INLET SYSTEM FOR METAL-ORGANIC CHEMICAL VAPOR DEPOSITION APPARATUS - An inlet system for a metal-organic chemical vapor deposition (MOCVD) apparatus is provided. The inlet system includes an inlet module and a subsidiary inlet module. The inlet module admits a reactant gas. The subsidiary inlet module admits a carrier gas. The subsidiary inlet module is disposed outside the inlet module to reduce turbulent flow, prevent the reactant gas from contaminating the inner wall of a reactor chamber, and concentrate the reactant gas, so as to enhance the reaction rate of the reactant gas and the growth rate of films. | 08-27-2015 |
Hsiang-Chih Chang, Jhongli City TW
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20130100010 | Control Method and System of Brain Computer Interface with Stepping Delay Flickering Sequence - A control method of a brain computer interface (BCI) with a stepping delay flickering sequence is provided. First, a plurality of different flickering sequence signals are generated by encoding a static flashing segment and a plurality of stepping delay flashing segments divided in different time sequences. Then, a plurality of target images corresponding to the flickering sequence signals are displayed. Thereafter, a response signal generated by an organism evoked by the target images is acquired. Then, signal processing is performed on the response signal by using a mathematic method to distinguish which one of the target images is gazed by the organism. Thereafter, a controlling command corresponding to one of the target images is generated. A control system of a BCI with a stepping delay flickering sequence is also provided herein. | 04-25-2013 |
20150230721 | ACCURATELY INDETIFYING CRITCAL REGIONS IN ATRIAL FIBRILLATION BY IDENTIFYING ROTORS IN DIRECTIONAL SIMILARITY VECTOR FIELD - A computer-assisted method for quantitatively characterizing atrial fibrillation in a patient includes recording time series of bipolar atrial fibrillation signals at multiple sites in a patient's atria using two or more electrodes, calculating a similarity index vector by a computer system based on the bipolar atrial fibrillation signal between a first site and its neighboring sites, constructing an similarity-index vector field based on similarity-index vectors at different sites, calculating Curl and Divergence of the similarity-index vector field, calculating Rotor Identification using Curl and Divergence, calculating Focal Identification using Divergence, and determining one or more critical regions in the patient's atria if Rotor Identification is above a first predetermined threshold and Focal Identification is above a second predetermined threshold. | 08-20-2015 |
Hsin-Huei Chang, Jhongli City TW
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20140178898 | Method for Detecting Fat-Reducing Compounds - A method for detecting fat-reducing compounds comprises four steps, the first step is to provide a clone of adipocytes cultured on a culture dish; the second step is to add a dilution of a test compound to the culture dish for a first time; the third step is to add an insulin-like growth factor to the culture dish for a second time; and the fourth step is to collect the adipocytes for detecting the expression level of at least one specific protein to be a reference value for reducing fat or for decreasing the glucose transport by the test compound. A further method for detecting fat-reducing compounds is disclosed by modifying the last step which detects the levels of a particular protein translocated from the cytosol to the cell membrane of the adipocytes for testing whether the compounds have the ability to regulate or reduce adipocyte glucose uptake. | 06-26-2014 |
20150045358 | PHARMACEUTICAL COMPOSITION FOR TREATING DISORDERS ASSOCIATED WITH INSULIN RESISTANCE - A pharmaceutical composition for treating disorders associated with insulin resistance is disclosed, and the composition comprises at least one inhibitor which is an effective agent to suppress endothelin-1-stimulated resistin gene expression through decreasing the endothelin-1-stimulated phosphorylation of proteins downstream of endothelin type A receptor, wherein the downstream signaling molecules comprise ERK1/2, JNKs, AKT, and STAT3 proteins, and wherein the inhibitor is selected from at least one antagonist of the endothelin type A receptor or downstream signaling proteins. | 02-12-2015 |
Hui-Shan Chang, Jhongli City TW
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20100171205 | Stackable Semiconductor Device Packages - In one embodiment, a semiconductor device package includes: (1) a substrate unit; (2) connecting elements disposed adjacent to a periphery of the substrate unit and extending upwardly from an upper surface of the substrate unit; (3) a semiconductor device disposed adjacent to the upper surface of the substrate unit and electrically connected to the substrate unit; and (4) a package body disposed adjacent to the upper surface of the substrate unit and covering the semiconductor device. A lateral surface of the package body is substantially aligned with a lateral surface of the substrate unit. The package body defines openings that at least partially expose respective ones of the connecting elements. At least one of the connecting elements has a width W | 07-08-2010 |
20120086120 | STACKED SEMICONDUCTOR PACKAGE HAVING CONDUCTIVE VIAS AND METHOD FOR MAKING THE SAME - The present invention relates to a stacked semiconductor package and a method for making the same. The method includes the steps of: forming and curing a first protective layer to cover a plurality of first bumps of a first wafer; cutting the first wafer to form a plurality of first dice; forming a third protective layer to cover a plurality of second bumps of a second wafer; picking up the first dice through the first protective layer, and bonding the first dice to the second wafer; removing part of the first protective layer; cutting the second wafer to form a plurality of second dice; and bonding the first dice and the second dice to a substrate. Whereby, the first protective layer can protect the first bumps, and the first protective layer can increase the total thickness and the flatness. | 04-12-2012 |
20120175767 | SEMICONDUCTOR PACKAGE WITH THROUGH SILICON VIAS AND METHOD FOR MAKING THE SAME - The present invention relates to a stacked semiconductor package and a method for making the same. The method includes the steps of mounting a plurality of first dice to a wafer by conducting a reflow process; and thinning the wafer from the backside surface of the wafer, thereby reducing manufacturing time and preventing warpage. | 07-12-2012 |
20130175324 | THERMAL COMPRESSION HEAD FOR FLIP CHIP BONDING - The present invention provides a method and a thermal compression head for flip chip bonding. The thermal compression head includes a main body and a contact portion. The main body has a main body opening. The contact portion has a contact surface and a plurality of openings. The openings communicate with the main body opening. When the contact surface of the contact portion is used to adsorb a chip, the contact surface of the chip has a plurality of adsorbed zones corresponding to the contact surface openings. After the chip is bonded to a substrate, the protrusions of the adsorbed zones are relatively slight. Therefore, the interconnection between the chip and the substrate is ensured. | 07-11-2013 |
20140131876 | METHOD FOR DICING A SEMICONDUCTOR WAFER HAVING THROUGH SILICON VIAS AND RESULTANT STRUCTURES - The present invention provides a semiconductor device, a semiconductor package and a semiconductor process. The semiconductor process includes the following steps: (a) providing a semiconductor wafer having a first surface, a second surface and a passivation layer; (b) applying a first laser on the passivation layer to remove a part of the passivation layer and expose a part of the semiconductor wafer; (c) applying a second laser, wherein the second laser passes through the exposed semiconductor wafer and focuses at an interior of the semiconductor wafer; and (d) applying a lateral force to the semiconductor wafer. Whereby, the cutting quality is ensured. | 05-15-2014 |
Jenq-Yang Chang, Jhongli City TW
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20090001319 | Material Composition for Producing Blue Phosphor by Excitation of UV Light and Method for Making the same - A phosphor material composition for producing blue phosphor by the excitation of UV light and a method for making the same. The phosphor material is an alkaline-earth silicates compound with a chemical formula of A | 01-01-2009 |
20120100665 | METHOD FOR MANUFACTURING SILICON THIN-FILM SOLAR CELLS - The present invention relates to a method for manufacturing silicon thin-film solar cells, including: providing a substrate; forming a first electrode on the substrate; forming a first doped semiconductor layer on the first electrode by chemical vapor deposition; forming an intrinsic layer on the first doped semiconductor layer by chemical vapor deposition, where the intrinsic layer includes a plurality of amorphous/nanocrystalline silicon layers, and the intrinsic layer has various energy bandgaps formed by varying average grain sizes of the amorphous/nanocrystalline silicon layers; forming a second doped semiconductor layer on the intrinsic layer by chemical vapor deposition, where one of the first doped semiconductor layer and the second doped semiconductor layer is a p-type amorphous silicon layer and the other is an n-type amorphous/nano-microcrystalline silicon layer; and forming a second electrode on the second doped semiconductor layer. Accordingly, the present invention can achieve broadband absorption in a single junction structure. | 04-26-2012 |
Kuang-Ming Chang, Jhongli City TW
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20100271850 | POWER TRANSISTOR CHIP WITH BUILT-IN ENHANCEMENT MODE METAL OXIDE SEMICONDUCTOR FIELD EFFECT TRANSISTOR AND APPLICATION CIRCUIT THEREOF - A power transistor chip with built-in enhancement mode metal oxide semiconductor field effect transistor and application circuit thereof provides an enhancement mode metal oxide semiconductor field effect transistor in association with two series connected resistors to act as a start-up circuit for the AC/DC voltage converter. The start-up circuit can be shut off after the pulse width modulation circuit of the AC/DC voltage converter circuit works normally and still capable of offering a function of brown out detection for the pulse width modulation circuit as well. Besides, the enhancement mode metal oxide semiconductor field effect transistor is built in the power transistor chip without additional masks and processes during the power transistor chip being fabricated such that the entire manufacturing process is simplified substantively with the economical production cost. | 10-28-2010 |
Lung-Ch Chang, Jhongli City TW
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20080284820 | Highly-Efficient Ultrasonic Ink-Jet Head and Fabrication Method of for the same - A highly-efficient ultrasonic wave ink-jet head includes a piezoelectric transducer and a Fresnel lens provided on a supporting layer. A chamber structure is fabricated on the supporting layer by lithography etching, and further bonded with an ink-storing groove to form an ink-jet head. The design provides a total reflection of ultrasonic waves generated on the opposite side of the piezoelectric transducer through the deviation of acoustic impedance of ultrasonic waves at different media. The sound energy of the ultrasonic wave can be effectively reused. Moreover, the phase of the reflected ultrasonic wave is consistent with that of the direct ultrasonic wave generated by the piezoelectric transducer. This forms a highly-efficient ultrasonic wave ink-jet head. | 11-20-2008 |
Ming-Hua Chang, Jhongli City TW
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20090184248 | Thin type vacuum chamber device - The present invention is to provide a thin type vacuum chamber device, wherein two hollow slabs are fastened by a claw fastener to form a thin type simple structure that can maintain a high vacuum state, and wherein the air inside the chamber is pumped out to attain a vacuum state with a high pressure suction activity. The thin-chamber design of the present invention can decrease the number of the components and reduce the cost. The special assembly design of the vacuum chamber of the present invention can effectively decrease the length of the transmission cable and thus can reduce signal attenuation and noise interference. The present invention has the advantage of convenient operation and is very suitable to a two-dimensional infrared sensor. | 07-23-2009 |
Ming-Hung Chang, Jhongli City TW
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20150066390 | ERROR MEASURING METHOD OF GEAR - An error measuring method of gear includes: performing the single gear flank testing to the gear pair in order to produce a testing signal graph; the operation unit decomposing the testing signal graph by Empirical Mode Decomposition (EMD) to generate a plurality of intrinsic-mode-function graphs (IMFs), the intrinsic-mode-function graph (IMF) having a first function graph with a first range and a second function graph with a second range, the first range is greater than the second range; the operation unit selecting a plurality of third function graph from the intrinsic-mode-function graphs (IMFs), wherein the third range is greater than the second range but not greater than the first range; the operation unit combining the third function graphs to produce a graph of superposing function; the operation unit computing out a plurality of single pitch error, a plurality of adjacent pitch error and an accumulated pitch error. | 03-05-2015 |
Nai-Chun Chang, Jhongli City TW
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20100328837 | ION GENERATOR AND HEAT DISSIPATION DEVICE USING THE SAME - An ion generator to generate ion flow to ventilate heat comprises an emitter, a receiver and a power supply. The emitter comprises a needle electrode having one needle shaped tip configured as a discharging portion. The receiver comprises a plurality of flow channels for airflow and at least one receiving portion. The at least one receiving portion comprises a line edge arranged around a concave spherical surface, and the discharging portion is at a substantial center of the concave spherical surface. The power supply provides a voltage potential difference between the discharging portion of the emitter and the receiving portions of the receiver. | 12-30-2010 |
Po-Han Chang, Jhongli City TW
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20110186884 | LED Reflective Structure and Method of Fabricating the Same - A reflective structure is fabricated for a light emitting diode (LED). An ohmic contact layer of the LED is made into a netlike structure. Thus, a current is evenly distributed and a low contact resistance is remained. Furthermore, the reflective layer directly reflects light through holes of the netlike structure on emitting light. Thus, a reflectivity of the LED is enhanced. | 08-04-2011 |
Po Kuang Chang, Jhongli City TW
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20110181712 | METHOD AND APPARATUS FOR TRACKING OBJECTS - A method utilizing an ultrasonic distance sensor to measure distances between the sensor and an object includes the steps of: identifying an object using a first object tracking apparatus; adjusting a first rotation direction of the first object tracking apparatus to pinpoint the object; measuring a distance between the object and the first object tracking apparatus; and obtaining a location of the object in accordance with the distance and the first rotation direction. | 07-28-2011 |
Tso-Hung Chang, Jhongli City TW
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20150060033 | COOLING SYSTEM WITH A PASSIVE HEAT DISSIPATION STRUCTURE - The present invention discloses a cooling system with a passive heat dissipation structure, the cooling system includes plural heat conducting pipes, and a shielding tube included to surround the heat conducting pipes. The heat generated from a heat source placed below the cooling system heats the surrounding fluid (air) and turns it into heated fluid. The heated fluid is lower in density and is dissipated away through convection by the heat conducting pipes, leaves its original space to cooler fluid (at room temperature). The mixing of the heated fluid with the cooler fluid can be prevented by the heat conducting pipes, and the heat convection of the heat source by the cooler fluid is increased. With the implementation of the present invention, the benefits of easy implementing, easy to use, requiring no extra energy and saving costs are achieved, and the heat of the heat source is promptly dissipated away. | 03-05-2015 |
Wei-Cheng Chang, Jhongli City TW
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20100205985 | WEIGHING TYPE ICE VENDING MACHINE - A weighing type ice vending machine includes an ice cube formation device installed in a machine body for supplying a specific weight of ice cubes after coins are inputted, and a body composed of a storage bucket, an output device, a weight sensing module and a control loop. Pure water is put into an ice tray in the machine body and condensed into ice cubes which are gathered into a storage bucket for a cold storage. A user puts a user's container on a weighing scale of the weight sensing module at an outlet of the machine body outlet and inserts coins whose dollar amount information is displayed. The quantity of outputted ice cubes is calculated and outputted automatically, and then the ice supply is stopped. The quantity of remained ice cubes in the machine body is recorded automatically, such that the ice cube will be produced again timely and the supply of ice cubes will be stopped temporarily. | 08-19-2010 |
Yi-Chung Chang, Jhongli City TW
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20140031708 | SYSTEM AND METHOD FOR IMPROVED COMPLEX FRACTIONATED ELECTROGRAM ABLATION - A computer-assisted method for quantitative characterization and treatment of ventricular fibrillation includes preprocessing a time series of an atrial fibrillation signal obtained from a patient, segmenting the time series of the AF signal into activation segments by the computer system, obtaining local activation waveforms (LAW) from the activation segments, determining degrees of similarity between the LAWs, and identifying one or more critical regions in the patient's atria if the LAWs have degrees of similarity exceeding a first threshold value. | 01-30-2014 |
20150230721 | ACCURATELY INDETIFYING CRITCAL REGIONS IN ATRIAL FIBRILLATION BY IDENTIFYING ROTORS IN DIRECTIONAL SIMILARITY VECTOR FIELD - A computer-assisted method for quantitatively characterizing atrial fibrillation in a patient includes recording time series of bipolar atrial fibrillation signals at multiple sites in a patient's atria using two or more electrodes, calculating a similarity index vector by a computer system based on the bipolar atrial fibrillation signal between a first site and its neighboring sites, constructing an similarity-index vector field based on similarity-index vectors at different sites, calculating Curl and Divergence of the similarity-index vector field, calculating Rotor Identification using Curl and Divergence, calculating Focal Identification using Divergence, and determining one or more critical regions in the patient's atria if Rotor Identification is above a first predetermined threshold and Focal Identification is above a second predetermined threshold. | 08-20-2015 |
You-Hsian Chang, Jhongli City TW
Patent application number | Description | Published |
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20090146166 | Structure Applying Optical Limit Guide Layer - A structure applying an optical wave guide layer includes an incident light source and at least one optical wave guide layer. The structure can be in any geometric shape such as a planar, hemispherical or conical shape. The geometric structure is designed for collecting and guiding the incident light source in specific directions. The light can be guided by a combination of materials having different optical properties. The incident angle of the collected light is controlled and the materials are selected to effectively overcome a drawback of the prior art that a portion of the light of some optical components cannot be extracted by a light extraction method. | 06-11-2009 |