Pei-Yuan
Pei-Yuan Chang, Taichung City TW
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20130265215 | LIGHT-EMITTING COMPONENT DRIVING CIRCUIT AND RELATED PIXEL CIRCUIT - A pixel circuit relating to an organic light emitting diode (OLED) is provided by the invention, and if the circuit configuration (5T1C) thereof collocates with suitable operation waveforms, the current flowing through an OLED in the OLED pixel circuit is not varied along with the variation of the conducting voltage (Voled_th) of the OLED in a long time driving current stress, and is not varied with the threshold voltage (Vth) shift of a TFT used for driving the OLED. Accordingly, not only the brightness decay of the OLED in the long time stress is mitigated or compensated, but also the brightness uniformity of the applied OLED display is substantially improved. | 10-10-2013 |
Pei-Yuan Chen, Taoyuan County TW
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20100123501 | ACTIVE-LOAD DOMINANT CIRCUIT FOR COMMON-MODE GLITCH INTERFERENCE CANCELLATION - “An active-load dominant circuit for common-mode glitch interference cancellation, biased between a first voltage potential and a second voltage potential with an accompanying common-mode glitch interferer. The active-load dominant circuit includes a pair of pull-up networks and a pair of active-load networks. The common-mode glitch interferer is cancelled out due to a symmetric structure of the pair of pull-up networks. At least one set signal and at least one reset signal are provided to a latch in response to a clock signal or a complemented clock signal. At least one of the set signal and the reset signal can be pulled up to the first voltage potential or pulled down to the second voltage potential. The voltage difference of the set signal and the reset signal is large enough for a latch.” | 05-20-2010 |
20140167647 | POWER CONVERTER CIRCUIT FOR LOW POWER ILLUMINATION DEVICE, CONTROL CIRCUIT THEREOF AND METHOD THEREOF - A power converter circuit for a low power illumination device includes a boost converter circuit, a buck converter circuit, and a control circuit. The control circuit configures the boost converter circuit to alternately operate in a current conducting mode and an off mode, to draw different values of the current from an electric transformer in different periods in the current conducting mode, and to stop drawing current from the electric transformer in the off mode. The control circuit further configures the buck converter circuit to generate the required output signals to the low power illumination device according to the output of the boost converter circuit so that the low power illumination device may function normally. | 06-19-2014 |
20140167648 | POWER CONVERTER CIRCUIT FOR LOW POWER ILLUMINATION DEVICE, CONTROL CIRCUIT THEREOF AND METHOD THEREOF - A power converter circuit of a low power illumination device includes a boost converter circuit, a buck converter circuit, and a control circuit, for cooperating with a dimmer and an electric transformer. The control circuit configures the boost converter circuit to alternatively operate in a current conducting mode and an off mode, to draw current from the electric transformer in the current conducting mode, and to stop drawing current from the electric transformer in the off mode. The control circuit further configures the buck converter circuit to generate the required output signals to the low power illumination device according to the configuration of the dimmer so that the low power illumination device may perform the required dimming function. | 06-19-2014 |
Pei-Yuan Chen, Taipei County TW
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20110199024 | SINGLE CHIP BALLAST CONTROLLER CAPABLE OF PROVIDING BRIGHTNESS LEVELS OVERVIEW AND BRIGHTNESS SETTING OF A FLUORESCENT LAMP - The present invention discloses a single chip ballast controller, capable of providing brightness levels overview and brightness setting of a fluorescent lamp during power-on period, having: a switching detection circuit, used to generate a set signal, which changes from an inactive state to an active state when a supply voltage falls below a threshold voltage; a time-varying reference voltage generator, used to generate a time-varying reference voltage varying between a first level and a second level during a power-on period, wherein the time-varying reference voltage can be fixed at a level by the active state of the set signal during the power-on period; and a gating signal generator, used to generate a high side driving signal and a low side driving signal according to an error voltage between the time-varying reference voltage and a current sensing voltage. | 08-18-2011 |
20110285322 | GAS-DISCHARGE LAMP CONTROLLER UTILIZING A NOVEL PREHEATING PHASE CONTROL MECHANISM - A gas-discharge lamp controller utilizing a novel preheating phase control mechanism, having: a supply voltage tracking reference voltages generator, biased between a supply voltage and a reference ground, for generating a first reference voltage which is proportional to the supply voltage; and a control unit, for generating a high threshold signal according to the first reference voltage and a saw-tooth signal, the peak value of the saw-tooth signal being proportional to the supply voltage, wherein the control unit has a preheating phase, the high threshold signal is coupled with the first reference voltage during the preheating phase, and the time duration of the preheating phase is set by a predetermined number of periods of the saw-tooth signal. | 11-24-2011 |
Pei-Yuan Chen, Hsin-Chu TW
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20110006828 | DIFFERENTIAL TYPE LEVEL SHIFTER - This patent discloses a differential type level shifter, comprising: a differential pair of transistors, having a pair of gate terminals, a pair of drain terminals and a common source terminal, with the pair of gate terminals coupled to a first clock signal and a second clock signal; a current source, coupled between the common source terminal and a reference ground, used to provide a bias current; and a pair of loading resistors, having a common end and a pair of output ends, with the common end coupled to a power line, the pair of output ends coupled to the pair of drain terminals; wherein the pair of drain terminals are used to generate a set signal and a reset signal in response to the first clock signal and the second clock signal. | 01-13-2011 |
Pei-Yuan Chen, Longtan Twnship TW
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20140077703 | Control Circuit and Control Method of Light Emitting Device Circuit - The present invention discloses a control circuit and a control method of a light emitting device circuit. When the light emitting device circuit is normally connected in normal operation, an output current is regulated to a predetermined current. When the light emitting device circuit is removed, an output voltage is regulated to a predetermined voltage. When the light emitting device circuit is reconnected, the output current is regulated to the predetermined current. The output voltage is at or above a level when the light emitting device circuit is normally connected in normal operation, and the predetermined voltage is lower than this level. | 03-20-2014 |
Pei-Yuan Chou, Taipei City TW
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20140072177 | Methods for Identifying Vehicle License Plates - A method for identifying vehicle license plate, comprising: mounting a server apparatus, and establishing a vehicle database and a vehicle license plate identification library in the server apparatus so as to generate a vehicle data and a vehicle license plate identification program; establishing a communication link, and receiving the vehicle data and the vehicle license plate identification program by the mobile device, and installing the vehicle license plate identification program and storing the vehicle data; capturing plate number of a vehicle by a camera module mounted in the mobile device for generating an image and then analyzing the plate number in the image by an analyzing program to generate an analysis result; comparing the analysis result with the vehicle data by a comparison module of the mobile device for generating a comparison result; and displaying the comparison result. | 03-13-2014 |
Pei-Yuan Huang, Taipei TW
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20150204010 | FLUORINE-FREE WATER REPELLENT, PREPARATION THEREOF, AND APPLICATIONS THEREOF - The present invention provides a preparation method for a fluorine-free water repellent, comprising (A) a homogenization step in which the raw materials are mixed in single step to obtain a mixture; and (B) a polymerization step to react said mixture into said water repellent. The operation of the present method is simple, and the water repellent produced has the advantage of high stability and high washing durability. | 07-23-2015 |
Pei-Yuan Lee, Huatan Hsiang TW
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20100162507 | Mop - A mop includes a base ( | 07-01-2010 |
Pei-Yuan Lee, Changhua City TW
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20140119510 | X-RAY IMAGING SYSTEM FOR GRNERATING SPACE TRANSFER FUNCTIONS AND METHOD THEREOF - An X-ray imaging system for generating space transfer functions has an X-ray machine, a check board and a host. The X-ray machine has an X-ray camera and an image camera to respectively take an X-ray image and a reference image for a calibration pattern on the check board. The host has a controller electrically connected to the X-ray camera and the image camera to receive the X-ray image and the reference image. The controller generates parameters and space transfer functions according to the X-ray image and the reference image. The check board of the present invention is easy to be manufactured and is convenient to use in an X-ray imaging machine | 05-01-2014 |
Pei-Yuan Lee, Changhua TW
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20140366346 | Polyester Fiber and Lightweight Woven Nylon Yarn Blended Process - A polyester fiber and lightweight woven nylon yarn blended process may include a lightweight weaving procedure, a secondary lightweight procedure, a dyeing procedure; and a water rinsing and drying procedure. In one embodiment, in the lightweight weaving procedure, a plurality of chemical monofilament fibers is twirled into bunched chemical monofilament fibers by a kneading process, the bunched chemical monofilament fibers and a woven complex yarn (polyester fiber and woven nylon yarn) are fed into a loom simultaneously, the loom is equipped with a fiber opening knife for performing a fiber opening process for the woven complex yarn, the fiber opening knife performs the fiber opening process to cut the woven complex yarn into a plurality of equal sized furcal structures longitudinally to cause wear and tear to achieve lightweight preliminarily, then the furcal structures and the bunched chemical monofilament fibers are undergone a knitting process to obtain a lightweight fabric; | 12-18-2014 |
Pei-Yuan Lee US
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20130226180 | Support Instrument with Modular Intramedullary nail - A supporting instrument with a modular intramedullary nail includes a plurality of intramedullary nails and a coupling module. Each intramedullary nail is in a form of a long rod and has a coupling portion arranged between two ends of the intramedullary nail and an abutting surface along a longitudinal face of the intramedullary nail. The coupling module is mounted to the coupling portions of the plurality of intramedullary nails for the abutting surfaces of the plurality of intramedullary nails to abut against each other and for assembling the plurality of intramedullary nails. | 08-29-2013 |
20130231666 | Support instrument with modular intramedullary nail - A supporting instrument with a modular intramedullary nail includes a plurality of intramedullary nails and a coupling module. Each intramedullary nail is in a form of a long rod and has a coupling portion arranged between two ends of the intramedullary nail and an abutting surface along a longitudinal face of the intramedullary nail. The coupling module is mounted to the coupling portions of the plurality of intramedullary nails for the abutting surfaces of the plurality of intramedullary nails to abut against each other and for assembling the plurality of intramedullary nails. | 09-05-2013 |
Pei-Yuan Lee, Taichung City TW
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20140187912 | POSITIONING DEVICE, IMAGE PROJECTING SYSTEM AND METHOD FOR OVERLAPPING IMAGES - A positioning device, an image projecting system and a method for overlapping images are provided. The positioning device is applied to a Computed Tomography process and a Magnetic Resonance Imaging process. The positioning device includes a patch and a positioning mark. The positioning mark is adapted to be mounted on the patch, and includes a Computed Tomography mark and a Magnetic Resonance Imaging mark. | 07-03-2014 |
Pei-Yuan Qian, Hong Kong CN
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20140296161 | DIDEMNIN BIOSYNTHETIC GENE CLUSTER IN TISTRELLA MOBILIS | 10-02-2014 |
Pei-Yuan Tsai, Nantou County TW
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20140109897 | APPARATUS FOR CONUTIOUSLY PROCESSING LIGNOCELLULOSIC MATERIAL - Disclosed is an apparatus for continuously processing a lignocellulosic material, and particularly to an apparatus for continuously processing a lignocellulosic material by using of a single-stage or two-stage pretreatment processing with related to the acid-catalyzed steam explosion processing combined with dilute acid hydrolysis and steam explosion, in which parameters are adjusted to maintain in a state where lignocellulosic material feeding, acid mixing pre-heating, dilute acid hydrolysis reaction, steam explosion and flash discharge, to solid and liquid separation are simultaneously and continuously operated, so as to achieve in the results of acquiring xylose hydrolyzate by hydrolyzing hemicellulose, destroying lignocellulosic material structure, increasing surface area and porosity. | 04-24-2014 |