Abstract:
An illumination system that includes a light source device and an algorithm unit is provided. The algorithm unit is coupled to the light source device and outputs a control signal to the light source device according to a reflection spectrum of an object, a visual color matching function, a visual preference correction function, or a combination of the above. The light source device outputs an illumination beam according to the control signal, so as to develop target visual perception of the object while the object is being irradiated by the illumination beam. A method for developing target visual perception of an object is also provided.
Abstract:
An illuminating device includes a first light module and a second light module. The first light module emits a first light beam to a first illuminating area, and the second light module emits a second light beam to a second illuminating area. The first light module includes a first blue chip emitting a blue light with a main wave peak from 461 nm to 480 nm.
Abstract:
The disclosure is directed to an air purifier and an automobile air conditioner with an air purifier. The air purifier includes a reactor, a column, an air guider and a plurality of light emitting elements. The reactor includes an air inlet and an air outlet. The column is disposed in the reactor, and the column has a N-side walls. The air guider is disposed on the column, and the air guider is coated with a photocatalyst. The light emitting elements are placed on the N side walls of the column configured to irradiate on the photocatalyst, where each of the light emitting elements has an emitting angle of θ and θ*N>360°.
Abstract:
A light source apparatus including a light-emitting module and a control unit is provided. The light-emitting module is configured to provide a light. The control unit is configured to make the light switched between a first light and a second light so that at least one of a blue-light hazard and a circadian stimulus value of the light is changed. A wavelength of a blue light main peak in a spectrum of the first light is different from a wavelength of a blue light main peak in a spectrum of the second light.
Abstract:
An embodiment of the disclosure provides a light source apparatus including a light-emitting module and a control unit. The light-emitting module is configured to provide a light. The control unit is configured to change proportion of a first sub-light and a second sub-light to form the light so that a circadian action factor (CAF) and a correlated color temperature (CCT) of the light varies along a CAF vs. CCT locus of the light different from a CAF vs. CCT locus of sunlight. A CAF vs. CCT coordinate of one of the first sub-light and the second sub-light is below the CAF vs. CCT locus of sunlight, and a CAF vs. CCT coordinate of the other one of the first sub-light and the second sub-light is above the CAF vs. CCT locus of sunlight. A display apparatus is also provided.
Abstract:
A package structure of an ultraviolet light emitting diode is provided, which includes a substrate, a transparent body, at least one ultraviolet light emitting diode, a connecting element and an ultraviolet shielding layer. The transparent body is disposed on the substrate. The transparent body has a space inside thereof. The at least one ultraviolet light emitting diode is disposed on the substrate and inside the space. The connecting element is disposed between the substrate and the transparent body. The ultraviolet shielding layer is disposed between the transparent body and the connecting element.
Abstract:
In an embodiment, a sterilization apparatus, adapted to sterilize a liquid to be sterilized, comprises a first sterilization light source, a first container and a sterilization container. The first sterilization light source includes a carrier, a plurality of LED packages and a plurality of collimating units, wherein the plurality of LED packages are disposed on and electrically connected to the plurality of carriers, and each of the plurality of collimating units separately is disposed on a corresponding LED package. The first container accommodates the first sterilization light source, and defines a first light-mixing space. The sterilization container includes an accommodating space for accommodating the liquid, wherein the first container is assembled together with the sterilization container, and the first light-mixing space is disposed between the first sterilization light source and the accommodating space.
Abstract:
A light source apparatus including a light-emitting module and a control unit is provided. The light-emitting module is configured to provide a light. The control unit makes the light emitted from the light-emitting module switched between a first light and a second light. A spectrum of the first light is different from a spectrum of the second light, and color temperatures of the first light and the second light are substantially the same as each other.
Abstract:
A light emitting device and a fabricating method thereof are described, wherein the light emitting device includes a substrate, a wall, a first LED chip and a light conversion filling. The first LED chip is disposed on a surface of the substrate. The wall is disposed on the surface of the substrate, and surrounds the first LED chip. A first angle between a central axis of the wall and an inner surface of the wall is 0 degree or is acute, a second angle between the central axis of the wall and an outer surface of the wall is 0 degree or is acute, and the outer surface of the wall and the substrate has a space therebetween. The light conversion filling is surrounded by the light conversion wall, and is disposed on the first LED chip.
Abstract:
An illuminating device includes a first light module and a second light module. The first light module emits a first light beam to a first illuminating area, and the second light module emits a second light beam to a second illuminating area. The first light module includes a first blue chip emitting a blue light with a main wave peak from 461 nm to 480 nm.