摘要:
A LED dimming method includes obtaining an illumination set according to a preset dimming curve and an initial dimming grayscale set; obtaining an excitation signal set comprising a voltage signal set or a current signal set according to the illumination set; obtaining a measured illumination curve according to the excitation signal set and the initial dimming grayscale set; collecting a subdivision dimming grayscale set according to the measured illumination curve and the preset dimming curve, so that a dimming curve corresponding to the subdivided dimming grayscale set and the illumination set coincides with the preset dimming curve; and adjusting the excitation signal set according to the subdivision dimming grayscale set. The method can achieve an ideal and undistorted optical curve effect to meet the demands of the user, and therefore achieving an efficient and accurate dimming.
摘要:
A condensing system and method with a plurality of LEDs is disclosed. The LEDs are positioned on the same plane. A first condensing lens is disposed at front of each LED, a second condensing lens is disposed at front of each first condensing lens, a third condensing lens is disposed at front of each second condensing lens, and a fourth condensing lens is disposed at front of all the third condensing lenses. After the light emitted by each LED is condensed by the corresponding first condensing lens, second condensing lens and third condensing lens, the divergence angle of the light becomes smaller, forming a bunch of nearly parallel light beams. The bunches of nearly parallel light beams simultaneously transmit through the fourth condensing lens, and then combine. The condensing system can be used as the light source with imaging lenses disposed therebehind to form an imaging system.
摘要:
A reflective light guide includes a cylinder enclosed by more than three reflecting plates which connected with each other in turn. The reflecting plate includes a plate body and a reflecting layer arranged on the plate body, along the exit direction of light. The cylinder includes a light inlet part, a light reflecting part and a light outlet part in turn, wherein the light outlet part larger than the light inlet part such that the cylinder being cone shaped. The LED light source with a reflective light guide tube includes a LED light source and a reflective light guide tube. The optical system includes a reflective light guide tube, a LED light source and an optical assembly.
摘要:
A condensing system and method with a plurality of LEDs is disclosed. The LEDs are positioned on the same plane. A first condensing lens is disposed at front of each LED, a second condensing lens is disposed at front of each first condensing lens, a third condensing lens is disposed at front of each second condensing lens, and a fourth condensing lens is disposed at front of all the third condensing lenses. After the light emitted by each LED is condensed by the corresponding first condensing lens, second condensing lens and third condensing lens, the divergence angle of the light becomes smaller, forming a bunch of nearly parallel light beams. The bunches of nearly parallel light beams simultaneously transmit through the fourth condensing lens, and then combine. The condensing system can be used as the light source with imaging lenses disposed therebehind to form an imaging system.
摘要:
A color temperature control method in the present disclosure includes: obtaining color coordinates and illuminance of each monochromatic lamp, and obtaining, based on the illuminance and an illuminance proportion of a color temperature, initial illuminance data of the monochromatic lamp at a current color temperature; calculating a coordinate difference between target color coordinates and mixed color coordinates obtained by performing illuminance mixing on the initial illuminance data; when the coordinate difference is within a first difference range, calculating illuminance changes of R and B based on the mixed color coordinates, the target color coordinates, correction coordinates of R, and correction coordinates of B; and obtaining latest channel values of R and B based on the illuminance changes of R and B, and regulating, based on the latest channel values, the color temperature of each monochromatic lamp on which color mixing is performed.
摘要:
The present invention discloses a method, device, terminal setting and readable storage medium for correcting mixed color. The method first acquiring color coordinates of standard mixed color and color coordinates of mixed color to be corrected, when the first difference coordinates of the two color coordinates exceed preset threshold, calculating a ratio of Y coordinate and X coordinate of the first difference coordinates to obtain first ratio, calculating coordinates difference between the first color coordinates and color coordinates of each monochromatic light to obtain difference coordinates to be processed, calculating ratios of Y coordinate and X coordinate of each difference coordinates to be processed to obtain ratios to be processed, selecting monochromatic light corresponding to a ratio to be processed with the smallest difference from the first ratio as monochromatic light to be adjusted, then realizing color correction by adjusting color channel value of the monochromatic light to be adjusted.
摘要:
A divided LED lamp includes an LED assembly, a casing assembly, LED electronics, power and signal cables, a control panel including a display screen and operation buttons, and a bracket for mounting the lamp. The casing assembly includes a first casing member and a second casing member. At least one cable tube is formed between the first casing member and the second casing member. The power and signal cables that connect the LED assembly received in the first casing member and the LED electronics received in the second casing member are received through the cable tube. This arrangement allows the LED assembly and the LED electronics to be received in individual and independent casing members and are associated with respective individual heat dissipation fins or heat radiators, so as to realize high efficiency of heat dissipation, stabilized operation, and extended lifespan.
摘要:
Disclosed are a lamp color correction method and system, and a storage medium. The lamp color correction method includes: acquiring each monochromatic illuminance, each monochromatic chromaticity coordinate, a first panchromatic illuminance and first panchromatic chromaticity coordinates of a target lamp; acquiring a first parameter if the acquired monochromatic and panchromatic illuminances and chromaticity coordinates are acceptable; acquiring an output value of each monochromatic channel; acquiring a second panchromatic illuminance and second panchromatic chromaticity coordinates of the target lamp; and determining that the target lamp is acceptable and updating the output value of each monochromatic channel to the target lamp, if a ratio of the second panchromatic illuminance to the first panchromatic illuminance is greater than or equal to a preset first threshold and a difference between the second panchromatic chromaticity coordinate and a standard panchromatic chromaticity coordinate satisfies a preset third deviation range.
摘要:
The present invention discloses a method, device, terminal setting and readable storage medium for correcting mixed color. The method first acquiring color coordinates of standard mixed color and color coordinates of mixed color to be corrected, when the first difference coordinates of the two color coordinates exceed preset threshold, calculating a ratio of Y coordinate and X coordinate of the first difference coordinates to obtain first ratio, calculating coordinates difference between the first color coordinates and color coordinates of each monochromatic light to obtain difference coordinates to be processed, calculating ratios of Y coordinate and X coordinate of each difference coordinates to be processed to obtain ratios to be processed, selecting monochromatic light corresponding to a ratio to be processed with the smallest difference from the first ratio as monochromatic light to be adjusted, then realizing color correction by adjusting color channel value of the monochromatic light to be adjusted.
摘要:
A LED dimming method includes obtaining an illumination set according to a preset dimming curve and an initial dimming grayscale set; obtaining an excitation signal set comprising a voltage signal set or a current signal set according to the illumination set; obtaining a measured illumination curve according to the excitation signal set and the initial dimming grayscale set; collecting a subdivision dimming grayscale set according to the measured illumination curve and the preset dimming curve, so that a dimming curve corresponding to the subdivided dimming grayscale set and the illumination set coincides with the preset dimming curve; and adjusting the excitation signal set according to the subdivision dimming grayscale set. The method can achieve an ideal and undistorted optical curve effect to meet the demands of the user, and therefore achieving an efficient and accurate dimming.