UPEC ELECTRONICS CORP.
|UPEC ELECTRONICS CORP. Patent applications|
|Patent application number||Title||Published|
|20120230025||LIGHTING DEVICE AND THE FIXING MECHANICS THEREOF - Example embodiments relate to a lighting device comprising a shell, at least one LED positioned at the bottom of the shell, and at least one fixing mechanics. The fixing mechanics comprises a base and a fixing element. An end of the base forms a plurality of pins which is ended with a hook. The fixing element connected with the base is fixed on the bottom of the shell.||09-13-2012|
|20120230006||LIGHTING DEVICE - Example embodiments relate to a lighting device comprising a shell, a plurality of white LEDs and at least one red LED. The white LEDs and red LED(s) are all positioned at the bottom of the shell. The white LEDs, which amount is in a range of 2M to 8M, and red LED, which amount is in a range of 1M to 4M, M represents a constant, are positioned to form an LED array. The light emitted by the white LEDs and red LED(s) forms a combined light to be emitted from the lighting device. The combined light shows the nature which falls within a closed region of CIE 1931 color space, where is defined by a plurality of line segments which intersect each other at points (0.36, 0.55), (0.45, 0.55), (0.55, 0.45), (0.4, 0.3), (0.3, 0.3), (0.32, 0.398), (0.36, 0.378), (0.421, 0.419), (0.431, 0.451) and (0.36, 0.482).||09-13-2012|
|20110080099||DUTY CYCLE ADJUSTING CIRCUIT OF A LIGHTING SYSTEM AND METHOD THEREOF - The present disclosure relates to a duty cycle adjusting circuit of a lighting system and method thereof for sensing light of a first color and a second color emitted by a light emitting device of the first color and a light emitting device of the second color to generate corresponding intensity values. Then a first pulse width correcting value and a second pulse width correcting value can be calculated for adjusting a first duty cycle and a second duty cycle of a driving current to adjust the illuminating intensity of the light emitting devices of the first and the second colors. Through these adjusting steps, the light of the first and the second colors is within a predetermined range of color temperature. Therefore, light source for stable light in color temperature is provided.||04-07-2011|
|20110062332||Charge-Coupled Device Monitor and Lighting Device Thereof - The present invention discloses a charge-coupled device monitor, comprising a lighting device, at least one charge-coupled unit and a processing unit. The lighting device comprises an infrared light emitting diode, an electrical conducting unit and a light guiding unit. The infrared light emitting diode receives a power to emit a light. The electrical conducting unit is positioned on a side of the infrared light emitting diode, electrically connecting to the infrared light emitting diode to provide the power. The light guiding unit, positioned on the other side of the infrared light emitting diode, changes the projecting profile of the light to a predetermined projecting profile, which comprises at least one straight edge. The charge-coupled unit receive the light emitted by the lighting device in the predetermined projecting profile and transforms the light to at least one electrical signal. The processing unit electrically connecting to the charge-coupled unit transmits an image according to the electrical signal.||03-17-2011|
|20110001432||LIGHT EMITTING DEVICE WITH COMPENSATION CAPABILITY - A light emitting device with compensation capability is disclosed herein which includes a plurality of light emitting diodes, when a light emitting diode is out of order, the remaining of the light emitting diodes can still working properly; a status detecting unit; a power controlling unit; a processing unit to provide the control signals to the power controlling unit in order to dynamically provide the power to the light emitting diodes. By utilizing the LED device with light compensation capability, it can provide the stable power compensate.||01-06-2011|
|20090153062||LIGHT EMITTING DIODE DRIVING DEVICE AND LIGHT SYSTEM - A light emitting diode driving device and light system are provided. The light emitting diode driving device drives a light source by a received alternating current voltage. The light emitting diode driving device includes a rectifier, a feedback unit, a protection unit, a switch unit, a timing unit, and a control unit. The rectifier is electrically coupled to an alternating current voltage source and the light source for providing the alternating current voltage to the light source. The feedback unit is used to detect a loading state and generate a feedback signal according the loading state for outputting the feedback signal. The protection unit is used to receive the feedback signal and compare the feedback signal with a reference voltage built in the protection unit for outputting a switch signal. The switch unit is used to receive the switch signal and connect or disconnect the alternating current voltage source and the light source. Therefore, the protection unit can avoid a burnout due to an exceeding current of the light source.||06-18-2009|
|20090015172||LIGHT SOURCE APPARATUS AND DRIVING APPARATUS THEREOF - A light source driving apparatus to drive at least one light source module includes a switch unit for coupling in series with an AC power source and the light source module; a clock synchronization unit for coupling to the AC power source and to provide a clock synchronization signal in accordance with an AC voltage of the AC power source; a control unit coupled to receive the clock synchronization signal and to provide to the switch unit an adjusting signal according to a timing of the clock synchronization signal; and a feedback unit coupled to the control unit and to detect a load state of the light source module, the feedback unit configured to provide to the control unit a feedback signal having a value representative of the detected load state of the light source module. The control unit is configured to modulate a pulse width of the adjusting signal according to the feedback signal and a preset brightness value of the light source module, the switch unit responsive to the adjusting signal to open and close to apply the AC voltage to the light source module in accordance with the modulated pulse width.||01-15-2009|
|20080304284||LIGHTING DEVICE - A lighting device may include light sources at one or two distal ends; wherein LEDs may be used as a light source. The lighting device may comprise a housing, at least one light-entering plane, at least one light-emitting plane and at least one guiding surface attached to the housing. A plurality of guiding blocks are configured and disposed on the guiding surface, and at least one distal end of the guiding surface is adjacent to the light source such that as light travels into and within the housing, light may be reflected and/or deflected by the guiding blocks and exits the housing via the light emitting plane. The illumination area opposite the light emitting plane may therefore receive substantially uniform lighting from the lighting device. The device may further comprise a reflector covering a portion of the guiding surface and a diffuser covering a portion of the light emitting plane.||12-11-2008|
Patent applications by UPEC ELECTRONICS CORP.