Abstract: A detection circuit, a method for detecting light source flicker, a device for detecting light source flicker, and a photoelectric detection device are provided by the examples of the present disclosure, and the detection circuit includes a power supply; a photodiode configured to output a current based on a light source; a driving circuit connected in series with the photodiode and configured to generate an output voltage based on the current output by the photodiode, a current output by the power supply, and a resistive component, the driving circuit includes a plurality of circuits with different illumination correlation coefficients; and a control unit connected with the driving circuit and configured to select a circuit with a matched illumination correlation coefficient from the driving circuit to control the output voltage within a designate voltage range.

Abstract: A light source module and a lighting device including the light source module are provided. The light source module includes a first luminous element and a package part covering the first luminous element. The package part includes a first additional illuminant, a second additional illuminant, and a third additional illuminant. The light emitted by the illuminants is mixed to form positive white light which serves as the emitted light of the light source module. The light source module provided by the present disclosure provides an LED positive white light (5000K) light source with high light efficiency, high CS value and high color rendering property by controlling the proportion of luminous energy in different wavelength regions in the total luminous energy. Under the same illumination, the spectrum with high CS value is especially suitable for people to concentrate on learning and working.

Abstract: A light source module includes a blue light generation portion, a cyan light generation portion, a yellow-green light generation portion and a red light generation portion. The red light generation portion includes a first additional light emitter and a second additional light emitter, the first additional light emitter emits a light having a main emission peak in the red light wave band, the second additional light emitter emits a light having a secondary emission peak in the red light wave band, and a spectral intensity of the secondary emission peak is 30.0%˜80.0% of a spectral intensity of the main emission peak. An emitted light of the light source module is a white light with a color temperature of 3000K˜6000K, and in a CIE1931 color space, a distance between the emitted light and a blackbody locus BBL is duv=?0.007˜0.007.

Abstract: A light source module and a lighting device using the light source module. The light source module includes a first light-emitting element and a packaging part covering the first light-emitting element. The packaging part includes a first additional luminous body, a second additional luminous body, and a third additional luminous body, the light emitted by each luminous body is mixed into day white light, which is used as the emitted light of the light source module. The light source module provided by the present disclosure provides a cold white LED (5700K) light source with high luminous efficiency, high CS values and high color rendering by controlling the ratio of luminous energy of different wavelength ranges in the total luminous energy.

Abstract: A wake-up light includes a shade, a housing, a power driver, a controller, a light source, and a timer. The power driver, the light source, the controller, and the timer are installed in a space enclosed by the shade and the housing; the power driver is externally connected to an alternating current, and supplies power to the timer and the light source; the timer is configured for real-time timing; the controller is connected to the light source and the timer; the controller receives timing information of the timer; when a first time set by a user is reached, the controller sends a light-source light-up signal to the light source so that a light intensity of the light source is gradually increased; and when a second time set by the user is reached, the controller sends an impulsive light signal to the light source so that the light source uninterruptedly emits impulsive light.

Abstract: A wake-up light includes a shade, a housing, a power driver, a controller, a light source, and a timer. The power driver, the light source, the controller, and the timer are installed in a space enclosed by the shade and the housing; the power driver is externally connected to an alternating current, and supplies power to the timer and the light source; the timer is configured for real-time timing; the controller is connected to the light source and the timer; the controller receives timing information of the timer; when a first time set by a user is reached, the controller sends a light-source light-up signal to the light source so that a light intensity of the light source is gradually increased; and when a second time set by the user is reached, the controller sends an impulsive light signal to the light source so that the light source uninterruptedly emits impulsive light.

Abstract: A light source module and a lighting device using the light source module. The light source module includes a first light-emitting element and a packaging part covering the first light-emitting element. The packaging part includes a first additional luminous body, a second additional luminous body, and a third additional luminous body, the light emitted by each luminous body is mixed into day white light, which is used as the emitted light of the light source module. The light source module provided by the present disclosure provides a cold white LED (5700K) light source with high luminous efficiency, high CS values and high color rendering by controlling the ratio of luminous energy of different wavelength ranges in the total luminous energy.

Abstract: A light source module and a lighting device including the light source module are provided. The light source module includes a first luminous element and a package part covering the first luminous element. The package part includes a first additional illuminant, a second additional illuminant, and a third additional illuminant. The light emitted by the illuminants is mixed to form positive white light which serves as the emitted light of the light source module. The light source module provided by the present disclosure provides an LED positive white light (5000K) light source with high light efficiency, high CS value and high color rendering property by controlling the proportion of luminous energy in different wavelength regions in the total luminous energy. Under the same illumination, the spectrum with high CS value is especially suitable for people to concentrate on learning and working.

Abstract: A light source and an illumination device including the light source are provided. By adjusting peak wavelengths, peak intensities and color coordinates of blue light, red light and green light in the illumination light emitted by the light source to preset ranges, the illumination light emitted by the light source has a specific spectral distribution. In another embodiment, a specific light color is achieved by a specific phosphor ratio. Not only the color theory is considered for the evaluation of the lighting effect, but also the influence of the spectrum on the actual lighting effect is considered. At the same time, the influence of the luminescent material on the spectrum is considered. Thus, a light source having a high comfort, a high preference, a high color rendering index, and a high color gamut index is obtained, and the light source has a similar effect to the sunlight.

Abstract: A detection circuit, a method for detecting light source flicker, a device for detecting light source flicker, and a photoelectric detection device are provided by the examples of the present disclosure, and the detection circuit includes a power supply; a photodiode configured to output a current based on a light source; a driving circuit connected in series with the photodiode and configured to generate an output voltage based on the current output by the photodiode, a current output by the power supply, and a resistive component, the driving circuit includes a plurality of circuits with different illumination correlation coefficients; and a control unit connected with the driving circuit and configured to select a circuit with a matched illumination correlation coefficient from the driving circuit to control the output voltage within a designate voltage range.

Abstract: The examples of the disclosure disclose measurement method and device of light source parameters, an illumination system and a terminal apparatus. The method includes: collecting signal values of a light source to be measured from a color sensor, the color sensor including at least six response channels; preprocessing the signal values that have been collected, the preprocessing including normalization processing and standardization processing; constructing model features according to the signal values that have been preprocessed, and determining a light source type of the light source to be measured according to the model features; inputting the model features and the light source type that has been determined into a color rendering index prediction model to obtain a color rendering index of the light source to be measured.

Abstract: The present disclosure discloses a light source module and an illumination device using the light source module. The light source module includes at least one of a first light emitting body, a second light emitting body, and a third light emitting body, three light emitting bodies have different characteristics of luminescence. The light source module and the illumination device using the light source module, provided by the example of the disclosure, adjust a peak wavelength, a peak intensity and a color coordinate of a light emitting body in the light source module into a preset range.

Abstract: A light source and an illumination device including the light source are provided. By adjusting peak wavelengths, peak intensities and color coordinates of blue light, red light and green light in the illumination light emitted by the light source to preset ranges, the illumination light emitted by the light source has a specific spectral distribution. In another embodiment, a specific light color is achieved by a specific phosphor ratio. Not only the color theory is considered for the evaluation of the lighting effect, but also the influence of the spectrum on the actual lighting effect is considered. At the same time, the influence of the luminescent material on the spectrum is considered. Thus, a light source having a high comfort, a high preference, a high color rendering index, and a high color gamut index is obtained, and the light source has a similar effect to the sunlight.

Abstract: The present disclosure discloses a light source module and an illumination device using the light source module. The light source module includes at least one of a first light emitting body, a second light emitting body, and a third light emitting body, three light emitting bodies have different characteristics of luminescence. The light source module and the illumination device using the light source module, provided by the example of the disclosure, adjust a peak wavelength, a peak intensity and a color coordinate of a light emitting body in the light source module into a preset range.

Abstract: A light source and an illuminating device utilizing the same are disclosed. The light source includes a blue light-generating unit, a green light-generating unit, and a red light-generating unit. The blue light-generating unit is configured to emit blue light, where the blue light-generating unit is a blue LED chip. The green light-generating unit is configured to emit green light, where the green light-generating unit contains a green fluorophore which absorbs light emitted by the blue light-generating unit and emits green light through wavelength conversion. The red light-generating unit is configured to emit red light.

Abstract: The present disclosure discloses a light source module and an illuminating device. The light source module and the device include adjusting the peak wavelength, the peak intensity and the chromaticity coordinate of the blue light, the red light and the yellow-green light in the irradiation light emitted by the light source module to be within the preset ranges, respectively.

Abstract: An example of the present disclosure discloses a light source circuit and an illumination apparatus using the same. By adjusting peak wavelengths, peak intensity and color coordinates of blue light, red light and yellow-green light in the illumination light emitted by the light source to preset ranges, an effect that the illumination light emitted by the light source circuit can improve the sense of skin color of people is achieved.

Abstract: Embodiments of the present disclosure disclose an illuminating device, a control method thereof and a control system thereof, which can acquire the color of an illuminated object and adjust irradiating light emitted by the illuminating device according to the color of the object. The control method includes switching on the illuminating device to project initial detection light to an illuminated object, acquiring initial reflected light of the illuminated object, obtaining an initial color of the illuminated object according to the initial reflected light, switching off the illuminating device projecting the initial detection light to the illuminated object, acquiring an environment color of an environment provided with the illuminating device, correcting the initial color according to the environment color to obtain a corrected color, acquiring target irradiating light according to the corrected color, and controlling the illuminating device to project the target irradiating light to the illuminated object.

Abstract: Embodiments of the present disclosure disclose an illuminating device, a control method thereof and a control system thereof, which can precisely adjust the color of irradiating light according to the color of an object. In the embodiment of the present disclosure, a next detection light is obtained according to reflected light of a previous detection light. When the color difference of reflected light of the previous detection light and the next detection light is less than a preset color difference range, the illuminating device is controlled to project the next detection light to an illuminated object.

Abstract: The present disclosure discloses a light source circuit and an illumination apparatus using the same. By adjusting peak wavelengths, peak intensity and color coordinates of blue light, red light and yellow-green light in the illumination light emitted by the light source circuit to preset ranges, an effect that the illumination light emitted by the light source circuit can improve the sense of skin color of people is achieved.