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Chang, Jhongli City
Chia-Lun Chang, Jhongli City TW
| Patent application number | Description | Published |
|---|---|---|
| 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
| Patent application number | Description | Published |
|---|---|---|
| 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
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Hui-Shan Chang, Jhongli City TW
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Jenq-Yang Chang, Jhongli City TW
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Kuang-Ming Chang, Jhongli City TW
| Patent application number | Description | Published |
|---|---|---|
| 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
| Patent application number | Description | Published |
|---|---|---|
| 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
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Nai-Chun Chang, Jhongli City TW
| Patent application number | Description | Published |
|---|---|---|
| 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
| Patent application number | Description | Published |
|---|---|---|
| 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
| Patent application number | Description | Published |
|---|---|---|
| 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 |
Wei-Cheng Chang, Jhongli City TW
| Patent application number | Description | Published |
|---|---|---|
| 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 |
You-Hsian Chang, Jhongli City TW
| Patent application number | Description | Published |
|---|---|---|
| 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 |