Abstract: A light emitting diode lamp comprises a power supply, a lampshade, a light emitting diode circuit board, and an optical filter. The power supply has a housing and a power circuit board, wherein a conductive adhesive is mounted in the housing, and the power circuit board is embedded in the conductive adhesive. The lampshade is connected with the power supply, and the light emitting diode circuit board is coupled with the power circuit board and is mounted in the lampshade. The optical filter is mounted in the lampshade and is located below the light emitting diode circuit.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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).

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: The present invention is related to an illumination device capable of producing ambient light and whose structure can be efficiently manufactured and assembled. The illumination device comprises: a substrate electrically connect to a power supply, a plurality of light sources attached to a surface of the substrate, a reflection body with a reflection surface situated a distance from said plurality of light sources, a shell having a diffusion surface situated a distance from said reflection surface. The illumination device may further comprise a housing for receiving and supporting the substrate and the reflection body. The housing is configured to join with the shell and can be further attached to an external device receiving the ambient light. The light emitted from the light sources is reflected by the reflection body to the diffusion member and then radiates outwardly to the surrounding environment of the shell. The reflection surface of the reflection body is inclined at angle relative to the substrate.

Abstract: 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.

Abstract: 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.