Patents Assigned to Guangzhou Yajiang Photoelectric Equipment Co., Ltd.
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Patent number: 11330685Abstract: 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.Type: GrantFiled: June 25, 2019Date of Patent: May 10, 2022Assignee: GUANGZHOU YAJIANG PHOTOELECTRIC EQUIPMENT CO., LTD.Inventors: Zhiman Chen, Rongfeng Huang, Guohai Wang
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Patent number: 11219103Abstract: 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.Type: GrantFiled: April 24, 2018Date of Patent: January 4, 2022Assignee: GUANGZHOU YAJIANG PHOTOELECTRIC EQUIPMENT CO., LTD.Inventors: Rongfeng Huang, Zhiman Chen, Yunchou Chen
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Publication number: 20210410246Abstract: 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.Type: ApplicationFiled: June 25, 2019Publication date: December 30, 2021Applicant: GUANGZHOU YAJIANG PHOTOELECTRIC EQUIPMENT CO., LTD.Inventors: Zhiman Chen, Rongfeng Huang, Guohai Wang
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Publication number: 20210251058Abstract: 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.Type: ApplicationFiled: April 24, 2018Publication date: August 12, 2021Applicant: GUANGZHOU YAJIANG PHOTOELECTRIC EQUIPMENT CO., LTD.Inventors: Rongfeng Huang, Zhiman Chen, Yunchou Chen
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Patent number: 10948157Abstract: The invention discloses a reflector bowl and an optical system applicable for colorful spotlights. The reflector bowl comprises a reflector bowl body having a big end and a small end, wherein the small end of the reflector bowl body is arranged with a light source opening and the big end of the reflector bowl body is opened and serves as a light outlet, the reflector bowl body has a square shaped cross section, and an inner surface of the reflector bowl body is a smooth mirror surface. The reflector bowl body is configured to have a square shaped cross section and thus the light outlet has a square shape, and lights are reflected by the reflector bowl body and the reflected lights can be superimposed with direct lights of the light source, whereby the reflector bowl of the invention realizes uniform color mixture on the smooth surface.Type: GrantFiled: July 19, 2018Date of Patent: March 16, 2021Assignee: GUANGZHOU YAJIANG PHOTOELECTRIC EQUIPMENT CO., LTD.Inventors: Rongfeng Huang, Zhiman Chen, Guohai Wang, Zesong Yu
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Publication number: 20200386385Abstract: The invention discloses a reflector bowl and an optical system applicable for colorful spotlights. The reflector bowl comprises a reflector bowl body having a big end and a small end, wherein the small end of the reflector bowl body is arranged with a light source opening and the big end of the reflector bowl body is opened and serves as a light outlet, the reflector bowl body has a square shaped cross section, and an inner surface of the reflector bowl body is a smooth mirror surface. The reflector bowl body is configured to have a square shaped cross section and thus the light outlet has a square shape, and lights are reflected by the reflector bowl body and the reflected lights can be superimposed with direct lights of the light source, whereby the reflector bowl of the invention realizes uniform color mixture on the smooth surface.Type: ApplicationFiled: July 19, 2018Publication date: December 10, 2020Applicant: GUANGZHOU YAJIANG PHOTOELECTRIC EQUIPMENT CO., LTD.Inventors: Rongfeng Huang, Zhiman Chen, Guohai Wang, Zesong Yu
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Patent number: 10755448Abstract: A method for mixed color correction is provided. Based on the variations of the chromaticity coordinates required for adjusting between the target color and the actually-measured color, variations of illuminances of one or two of RGB of the three colors are calculated for adjusting the actually-measured color to achieve the variations of the chromaticity coordinates required for adjusting according to the correlation between the chromaticity coordinates and the tristimulus values, until the required variations of chromaticity coordinate are within a required range. This method can quickly and accurately correct and adjust the actually-measured color, guarantee the consistency of lamp colors, and is convenient for application.Type: GrantFiled: January 31, 2019Date of Patent: August 25, 2020Assignee: GUANGZHOU YAJIANG PHOTOELECTRIC EQUIPMENT CO., LTD.Inventor: Zhiman Chen
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Patent number: 10627062Abstract: A method for realizing fast color mixing of any colors is disclosed. When the number of colors to be mixed is three, the first illuminance ratio between the three colors to be mixed that required for obtaining the target color is calculated. When the number of colors to be mixed exceeds three, the mixed color of other colors except the first and second color is determined firstly according to a settled second illuminance ratio between other colors except for a first and a color, then a third illuminance ratio between the first color, the second color and the mixed color of other colors except for the first and second color for obtaining the target color is calculated. This method can quickly determine the first illuminance ratio between three or more colors to be mixed according to the target color and the illuminance ratio of certain mixed color.Type: GrantFiled: January 31, 2019Date of Patent: April 21, 2020Assignee: GUANGZHOU YAJIANG PHOTOELECTRIC EQUIPMENT CO., LTD.Inventor: Zhiman Chen
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Publication number: 20190162377Abstract: A method for realizing fast color mixing of any colors is disclosed. When the number of colors to be mixed is three, the first illuminance ratio between the three colors to be mixed that required for obtaining the target color is calculated. When the number of colors to be mixed exceeds three, the mixed color of other colors except the first and second color is determined firstly according to a settled second illuminance ratio between other colors except for a first and a color, then a third illuminance ratio between the first color, the second color and the mixed color of other colors except for the first and second color for obtaining the target color is calculated. This method can quickly determine the first illuminance ratio between three or more colors to be mixed according to the target color and the illuminance ratio of certain mixed color.Type: ApplicationFiled: January 31, 2019Publication date: May 30, 2019Applicant: GUANGZHOU YAJIANG PHOTOELECTRIC EQUIPMENT CO., LTD.Inventor: Zhiman Chen
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Patent number: 10139075Abstract: 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.Type: GrantFiled: December 31, 2015Date of Patent: November 27, 2018Assignee: GUANGZHOU YAJIANG PHOTOELECTRIC EQUIPMENT CO., LTDInventor: Zhiman Chen
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Publication number: 20170211777Abstract: 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.Type: ApplicationFiled: December 31, 2015Publication date: July 27, 2017Applicant: GUANGZHOU YAJIANG PHOTOELECTRIC EQUIPMENT CO., LTDInventor: Zhiman CHEN
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Patent number: 9447942Abstract: 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.Type: GrantFiled: November 18, 2011Date of Patent: September 20, 2016Assignee: GUANGZHOU YAJIANG PHOTOELECTRIC EQUIPMENT CO., LTDInventor: Chunrong Li
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Publication number: 20130301265Abstract: 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.Type: ApplicationFiled: November 18, 2011Publication date: November 14, 2013Applicant: GUANGZHOU YAJIANG PHOTOELECTRIC EQUIPMENT CO., LTDInventor: Chunrong Li
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Patent number: 8425091Abstract: 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.Type: GrantFiled: May 8, 2009Date of Patent: April 23, 2013Assignee: Guangzhou Yajiang Photoelectric Equipment Co., Ltd.Inventor: Jiaqiang Chen