Patent application number | Description | Published |
20130190677 | PHOTO-STIMULATION METHOD AND KIT WITH AGONIST AGENT - Disclosed is a photo-stimulation method employing an agonist agent, and a kit for introducing same. The method includes the following steps: providing a light-emitting diode (LED) illuminant which is a yellow, red, green, blue LED or a mixture of two or more kinds thereof, and an agonist agent which contains 0.5% to 2% calcium ion; and adding the agonist agent to a subject and illuminating the subject by the LED illuminant to promote collagen synthesis, to suppress microbial growth, or to inhibit melanin synthesis, wherein the yellow LED is in an illuminance range from 1,000 to 3,500 lux, the red LED is in an illuminance range from 6,000 to 9,500 lux, the green LED is in an illuminance range from 1000 to 5000 lux, and the blue LED is in an illuminance range from 3,000 to 7,000 lux. | 07-25-2013 |
20130190843 | PHOTO-STIMULATION METHOD AND DEVICE - Disclosed is a photo-stimulation method and device. The method includes the following steps: providing a light-emitting diode (LED) illuminant which is a yellow, red, or blue LED; and illuminating a subject by the LED illuminant to promote collagen synthesis, to suppress microbial growth, or to inhibit melanin synthesis, wherein the yellow LED is in an illuminance range from 1,000 to 3,500 lux, the red LED is in an illuminance range from 6,000 to 9,500 lux, and the blue LED is in an illuminance range from 3,000 to 7,000 lux. | 07-25-2013 |
20130190844 | PHOTO-STIMULATION METHOD AND DEVICE WITH LIGHT MIXTURE - Disclosed is a photo-stimulation method and device with a light mixture. The method includes the following steps: providing a light-emitting diode (LED) illuminant which is a combination of a yellow LED and a red LED; and illuminating a subject by the LED illuminant to promote collagen synthesis, to suppress microbial growth, or to inhibit melanin synthesis, wherein the yellow LED is in an illuminance range from 1,000 to 3,500 lux, the red LED is in an illuminance range from 6,000 to 9,500 lux, and the number ratio of the yellow LED to the red LED is 0.5-2:0.5-2. | 07-25-2013 |
Patent application number | Description | Published |
20140300288 | LIGHT EMITTING DEVICE POWER SUPPLY CIRCUIT AND DAMPING CIRCUIT THEREIN AND DRIVING METHOD THEREOF - The present invention discloses a light emitting device power supply circuit and a damping circuit therein and a driving method thereof. The light emitting device power supply circuit includes: a tri-electrode AC switch (TRIAC) dimming circuit, a rectifier circuit, a light emitting device driver circuit, and a damping circuit. The damping circuit includes: an impedance circuit, which is electrically connected between the rectifier circuit and the light emitting device driver circuit; a silicon control rectifier (SCR) circuit, which is connected to the impedance circuit in parallel; and a delay circuit, which is coupled to the SCR circuit, for turning ON the SCR circuit after a delay time period from when the TRIAC diming circuit begins to start-up, wherein the delay circuit does not directly receive a full scale of the input voltage. | 10-09-2014 |
20150366028 | LIGHT EMITTING DEVICE DRIVER CIRCUIT AND DRIVING METHOD OF LIGHT EMITTING DEVICE CIRCUIT - The present invention discloses a light emitting device driver circuit and a driving method of a light emitting device circuit. The light emitting device driver circuit is for driving a light emitting device circuit with plural light emitting devices connected in series. The light emitting device driver circuit determines a number of the conductive light emitting devices according to a rectified input voltage. The light emitting device driver circuit includes: a switch module, a current source circuit, and a total harmonic distortion (THD) compensation circuit. The THD compensation circuit generates an adjustment current according to the rectified input voltage. The current source circuit provides a light emitting device current to the light emitting device circuit according to the adjustment current, such that the THD is reduced. | 12-17-2015 |
20150366032 | RETAINING CIRCUIT AND LIGHT EMITTING DEVICE DRIVER CIRCUIT WITH RETAINING CIRCUIT - A retaining circuit includes: a low dropout regulator (LDO) circuit for generating a primary operation voltage, a secondary operation voltage generation (SOVG) circuit, and a memory circuit. The SOVG circuit generates a secondary operation voltage, and the memory circuit is powered by the secondary operation voltage to store at least one operation parameter, such that when the primary operation voltage is lower than a non-controlled level, the memory circuit holds the operation parameter to sustain operation. | 12-17-2015 |
20160073461 | LIGHT EMITTING DEVICE DRIVER CIRCUIT - The present invention discloses a light emitting device driver circuit. The light emitting device driver circuit drives a light emitting device circuit. The light emitting device circuit includes plural light emitting devices connected in series and a diode circuit, wherein the plural light emitting devices are divided to plural groups. The light emitting device driver circuit includes: a first switch circuit, a second switch circuit, a current source circuit, and a control circuit. The first switch circuit includes plural first switches connected in parallel to the corresponding groups respectively. The second switch circuit includes plural second switches coupled to a forward end and a reverse end of the diode circuit respectively, wherein the second switch circuit determines whether to conduct the forward end or the reverse end to the current source circuit according to the voltages of the forward end and the reverse end. | 03-10-2016 |
20160100463 | LIGHT EMITTING DEVICE DRIVER CHIP - The present invention discloses a light emitting device driver chip for driving light emitting devices in series. The chip includes: plural pins electrically connected to corresponding light emitting devices, respectively, wherein an internal voltage is provided through a predetermined one of the pins; a voltage regulation circuit for providing an operation voltage according to the internal voltage; a switch circuit including plural switch groups electrically connected to corresponding pins, respectively; a current source circuit for providing a current to the light emitting devices; and a switch control circuit for controlling the switch groups to determine which light emitting device is turned ON. The light emitting device driver chip does not directly receive the rectified input voltage. | 04-07-2016 |
Patent application number | Description | Published |
20120313616 | AC DISCHARGE CIRCUIT FOR AN AC-TO-DC SWITCHING POWER CONVERTER - An AC discharge circuit is disclosed to eliminate the need of bleeding resistors for an AC-to-DC switching power converter. The AC-to-DC switching power converter has two AC power input terminals to be connected to an AC power source, and an AC input capacitor connected between the two AC power input terminals. The AC discharge circuit has a rectifier circuit to rectify a first voltage across the AC input capacitor to be a second voltage applied to an input terminal of a JFET, and a power removal detector to monitor a third voltage at an output terminal of the JFET to trigger a power removal signal to discharge the AC input capacitor when the third voltage has been remained larger than a threshold for a de-bounce time. | 12-13-2012 |
20140340949 | POWER CONVERTER AND POWER FACTOR CORRECTOR THEREOF - A power converter includes a rectifier and a power factor corrector. The rectifier is to be coupled to an alternating current power source and is configured to output a rectified signal. The power factor corrector includes a correcting circuit and a control circuit. The correcting circuit receives the rectified signal and is configured to generate an output voltage based on the rectified signal and a driving signal. The control circuit is configured to generate a first to-be-compared signal based on the rectified signal, to generate a second to-be-compared signal based on the output voltage, to compare the first and second to-be-compared signals, and to generate the driving signal based on a result of comparison performed thereby. | 11-20-2014 |
20140355320 | CONTROL CIRCUIT FOR AC-DC POWER CONVERTER - A control circuit for an AC-DC power converter includes a junction field effect transistor (JFET), a first resistor, a second resistor, and a third resistor. The JFET includes a substrate, a drain, a source, a gate, a first oxide layer, and a second oxide layer. The first oxide layer is attached to a region located between the drain and the gate of the JFET, and the second oxide layer is not attached to a region located between the drain and the gate of the JFET. The first resistor is positioned on the first oxide layer, and the second resistor and the third resistor are positioned on the second oxide layer. When the JFET and the first resistor receive an input power signal, the first, the second, and the third resistors divide the input power signal, and prevent from the breakdown of the first oxide layer and the second oxide layer. | 12-04-2014 |
20150048750 | LIGHT EMITTING SYSTEM AND VOLTAGE CONVERSION DEVICE THEREOF - A light emitting system includes a series connection of a light emitting unit and a variable current source, and a voltage conversion device that includes a rectifier circuit and an output circuit. The rectifier circuit rectifies an AC voltage to generate a rectified voltage across a first rectifier output coupled to one end of the series connection of the light emitting unit and the variable current source, and a second rectifier output. The output circuit is coupled between the second rectifier output and another end of the series connection of the light emitting unit and the variable current source, and is configured to generate a direct-current (DC) output voltage. | 02-19-2015 |
20150070951 | MULTIPLIER-DIVIDER CIRCUIT AND AC-TO-DC POWER CONVERTING APPARATUS INCORPORATING THE SAME - An AC-to-DC power converting apparatus includes a power factor correction circuit generating a DC output voltage based on a rectified voltage obtained through rectifying an AC input voltage and on a PWM signal generated based on an adjustment current and a predetermined ramp signal. A multiplier-divider circuit includes: a ramp generating unit generating a ramp signal based on a clock signal and on a first detection voltage associated with the rectified voltage; a control unit generating a control signal based on the clock signal, the ramp signal, and a detection voltage generated based on the DC output voltage; and an output unit generating an adjustment signal based on an input signal associated with the rectified voltage and the control signal. | 03-12-2015 |
20150117072 | SOFT-START SWITCHING POWER CONVERTER - A soft-start switching power converter includes a voltage converting circuit and a soft-start circuit. The voltage converting circuit includes a transformer, and a first switch which includes a first terminal connected to the transformer, a second terminal providing a trigger signal, and a control terminal receiving a control signal, and which is controlled to switch between conduction and nonconduction, such that the transformer generates a feedback voltage. The soft-start circuit receives the trigger signal, generates the control signal according to the trigger signal, and determines whether or not to clamp the control signal at a preset voltage level based on the trigger signal. | 04-30-2015 |
20160049865 | FAST START-UP CIRCUIT OF A FLYBACK POWER SUPPLY AND METHOD THEREOF - A fast start-up circuit and a method of a flyback power supply utilize a charging current that is related to an input voltage of the flyback power supply to charge a control terminal of a power switch of the flyback power supply during a start-up mode. Accordingly, the power switch can be switched, and a supply voltage of the flyback power supply rises. When an output terminal of the flyback power supply occurs a short circuit, the fast start-up circuit and the method of the present invention will decrease a maximum of a current through the power switch, thereby avoiding that the power switch is overheating. | 02-18-2016 |
Patent application number | Description | Published |
20130155758 | CIRCUIT AND METHOD FOR GENERATING A SENSE AMPLIFIER ENABLE SIGNAL BASED ON A VOLTAGE LEVEL OF A TRACKING BITLINE - A circuit is usable to generate a sense amplifier enable (SAE) signal for a static random access memory (SRAM) circuit. The circuit includes a first tracking bit line, a second tracking bit line, a tracking cell, and a control logic circuit. The second tracking bit line is electrically connected to the first tracking bit line. The tracking cell has a driving terminal and a non-driving terminal, where the non-driving terminal is connected to the second tracking bit line, and the driving terminal is connected to the first tracking bit line and configured to selectively charge or discharge a voltage on the first tracking bit line in response to a control signal. The control logic circuit is coupled to the first tracking bit line and configured to generate the SAE signal in response to the voltage level on the first tracking bit line. | 06-20-2013 |
20130222071 | Oscillator based on a 6T SRAM for measuring the Bias Temperature Instability - The present invention provides an oscillator which is based on a 6T SRAM for measuring the Bias Temperature Instability. The oscillator includes a first control unit, a first inverter, a second control unit, and a second inverter. The first control unit is coupled with the first inverter. The second control unit is coupled with the second inverter. The first control unit and the second control unit is used to control the first inverter and the second inverter being selected, biased, and connected respectively, so that the NBTI and the PBTI of the SRAM can be measured separately, and the real time stability of the SRAM can be monitored immediately. | 08-29-2013 |
20130223136 | SRAM based on 6 transistor structure including a first inverter, a second inverter, a first pass-gate transistor, and a second pass-gate transistor - The present invention provides a 6T SRAM including a first inverter, a second inverter, a first pass-gate transistor, and a second pass-gate transistor. The first inverter zs a first pull-up transistor and a first pull-down transistor. The second inverter includes a second pull-up transistor and a second pull-down transistor. The gate of the second pull-up transistor is coupled with the gate of the second pull-down transistor, and the drain of the second pull-up transistor is coupled with the drain of the second pull-down transistor. The SRAM can measure the trip voltage, the read disturb voltage, and the write margin by controlling the first bit line, the second bit line, the GND, the first word line, and the voltage source without changing of the physic parameter of the SRAM. | 08-29-2013 |
20130301343 | THRESHOLD VOLTAGE MEASUREMENT DEVICE - A threshold voltage measurement device is disclosed. The device is coupled to a 6T SRAM. The SRAM comprises two inverters each coupled to a FET. Power terminals of one inverter are in a floating state; the drain and source of the FET coupled to the inverter are short-circuited. Two voltage selectors, a resistor, an amplifier and the SRAM are connected in a negative feedback way. Different bias voltages are applied to the SRAM for measuring threshold voltages of two FETs of the other inverter and the FET coupled to the other inverter. The present invention uses a single circuit to measure the threshold voltages of the three FETs without changing the physical structure of the SRAM. Thereby is accelerated the measurement and decreased the cost of the fabrication process and measurement instruments. | 11-14-2013 |
Patent application number | Description | Published |
20100140091 | INTEGRATED ELECTROPHORESIS DEVICE AND OPERATION THEREOF - An integrated electrophoresis device includes a passage, a receiving opening, a removal opening, and a set of electric field generators. The passage is provided with gel and buffer solution. The receiving opening is disposed in the passage. The removal opening is also disposed in the passage. The electric field generators generate an electric field in the passage so that a plurality of charged substances in the passage migrates from the receiving opening to the removal opening. | 06-10-2010 |
20130087792 | PIXEL STRUCTURE OF REFLECTIVE TYPE ELECTROPHORETIC DISPLAY DEVICE AND METHOD OF MAKING THE SAME - The present invention provides a method of making a pixel structure of a reflective type electrophoretic display device. First, a first metal pattern layer, an insulating layer, a semiconductor pattern layer and a second metal pattern layer are formed sequentially on a substrate. Next, a passivation layer is formed on the substrate, the semiconductor pattern layer and the second metal pattern layer, and an organic photoresist layer is formed on the passivation layer, wherein the organic photoresist layer has a first contact hole exposing the passivation layer. Then, the organic photoresist layer is utilized as a mask to remove the exposed passivation layer and to form a second contact hole in the passivation layer to expose the second metal pattern layer. Subsequently, a third metal pattern layer and a transparent conductive pattern are formed sequentially on the organic photoresist pattern layer and the exposed second metal pattern layer. | 04-11-2013 |
Patent application number | Description | Published |
20140347572 | Near-Eye Display Systems, Devices And Methods - A near-eye display device includes (a) a display unit having a liquid-crystal-on-silicon (LCOS) display and a first polarizing beam splitter interface for (i) reflecting illumination light from an illumination module towards the liquid-crystal-on-silicon display and (ii) transmitting display light from the LCOS display based on the illumination light, and (b) a viewing unit having an imaging objective that forms an image of the LCOS display for the pupil based on the display light, and a second polarizing beam splitter interface for (i) reflecting reflected display light from the imaging objective towards the pupil and (ii) transmitting ambient light from an ambient scene towards a pupil, the second polarizing beam splitter interface and the first polarizing beam splitter interface being orthogonal to a common plane. | 11-27-2014 |
20140347736 | Systems And Methods For Aligning A Near-Eye Display Device - A near-eye display system includes (a) a near-eye display device, having a display and capable of providing, to a pupil of a user, an image from the display superimposed on an ambient scene, and (b) a fixture for coupling the near-eye display device to a holder mounted to the user, wherein the fixture has a plurality of degrees of freedom for alignment of the display device with respect to the pupil. | 11-27-2014 |
20150286064 | REDUCING SPECKLE IN PROJECTED IMAGES - A despeckle optical system for an image projector includes a diffuser, an in-plane vibrator, a microlens array, and a vibrator driver. The in-plane vibrator is coupled to vibrate the diffuser along a vibration plane. The vibrator driver is coupled to drive the in-plane vibrator and configured to drive the in-plane vibrator at different vibration amplitudes for averaging the intensity of speckle in display light that propagates through the diffuser via the microlens array. | 10-08-2015 |
20160091722 | Near-Eye Display Device And Methods With Coaxial Eye Imaging - A near-eye display device, with coaxial eye imaging, for mounting in field of view of an eye of a user, includes a display unit for displaying a display image, a viewing unit for (i) presenting the display image to the eye based upon polarized visible light received from the display unit and (ii) transmitting ambient light from an ambient scene toward the eye, and an eye imaging unit including (a) an illumination module for generating infrared light, (b) a first polarizing beamsplitter interface, disposed between the display unit and the viewing unit, for (i) merging a polarized infrared component of the infrared light with the polarized visible light and (ii) separating from the polarized visible light a portion of the polarized infrared component reflected by the eye, and (c) a camera for forming an image of the eye based upon the polarized infrared component reflected by the eye. | 03-31-2016 |