TWI771999B - Iterative light-emitting diode color adjusting method and head light examination system - Google Patents

Abstract

A iterative light-emitting diode color adjusting method includes: (1) providing a light-emitting diode and configured with a driving circuit to drive the light-emitting diode to emit a light with a light uniformity and a first color. (2) utilizing a light sensor to sense the light of the light-emitting diode to obtain the light uniformity and the first color. (3) utilizing a electronic device to determine the light uniformity with a reference light uniformity range from the electronic device, if the light uniformity in the reference light uniformity range, the electronic device converting the first color to a first CIE coordinate. (4) utilizing the electronic device to compare the first CIE coordinate with a target CIE coordinate from the electronic device. (5)when the first CIE coordinate equal to the target CIE coordinate, finishing the color adjusting process. (6) if having a first difference between the first CIE coordinate and the target CIE coordinate, based on the first difference, resetting the driving circuit to control the light-emitting diode to emit a light with a second color. (7) utilizing the light sensor to sense the light with the second color, the electronic device converting the second color to a second CIE coordinate and comparing the second CIE coordinate with the target CIE coordinate.

Description

Iterative light-emitting diode color adjustment method and vehicle lamp detection system

The present invention relates to a color adjustment method for light emitting diodes, in particular, an iterative light emitting diode color adjustment method and a vehicle lamp detection system for making the light emitting diodes achieve the desired color by an iterative method.

Light-emitting diode (light-emitting diode) lighting is booming, which is spread all over the corner and is widely used in daily life, and the color is very important to the perception of the human eye, and the human eye has different levels of perception because of the color. At present, the color discrimination of car lights needs to be achieved by color detectors and filters. Although the results of color detection are accurate, the configuration of measuring instruments is complicated and the cost is high. How to improve the above-mentioned crux has become a problem to be solved. question.

In view of the foregoing, the inventors of the present invention have considered and designed an iterative light-emitting diode color adjustment method and a vehicle lamp detection system thereof, in order to improve the deficiencies of the prior art, thereby enhancing the implementation and utilization in the industry.

In view of the above-mentioned conventional problems, an object of the present invention is to provide an iterative light-emitting diode color adjustment method and a vehicle lamp detection system thereof, so as to solve the problems faced in the conventional technology.

Based on the above object, the present invention provides an iterative light emitting diode color adjustment method, which includes: (1) providing a light emitting diode, and configuring a driving circuit to make the light emitting diode emit light with light uniformity and a first color. (2) Using a light sensor to sense the light emission of the light emitting diode to obtain the light uniformity and the first color. (3) Using the electronic device to determine the light uniformity and the range of the reference light uniformity, if the first light uniformity falls within the reference light uniformity range, the electronic device is controlled to convert the first color into the first chromaticity coordinate, and the electronic device has a target Chromaticity coordinates. (4) Using the electronic device to compare the target chromaticity coordinates with the first chromaticity coordinates. (5) If the target chromaticity coordinates are consistent with the first chromaticity coordinates, the color adjustment procedure is completed. (6) If the target chromaticity coordinate and the first chromaticity coordinate have the first difference, the electronic device resets the driving circuit according to the first difference to control the light-emitting diode to emit light, so that the light-emitting diode has the second color. (7) The light-emitting diode is re-sensed by the light sensor, and the electronic device converts the second color into the second chromaticity coordinate and compares the second chromaticity coordinate with the target chromaticity coordinate.

Optionally, if the target chromaticity coordinates are consistent with the second chromaticity coordinates, the color adjustment procedure is completed.

Optionally, if the target chromaticity coordinate and the second chromaticity coordinate have a second difference, the electronic device resets the driving circuit according to the second difference to control the light-emitting diode to emit light, so that the light-emitting diode has a third color, The light-emitting diode is re-sensed by the light sensor, and the electronic device converts the third color into the third chromaticity coordinate and compares the third chromaticity coordinate with the target chromaticity coordinate.

Optionally, if the light uniformity does not fall within the reference light uniformity range, it is determined that the light-emitting diode is defective.

Based on the above object, the present invention provides a vehicle lamp detection system, which includes a vehicle lamp, a driving circuit, a light sensor and an electronic device. The vehicle lamp has a plurality of light emitting diodes. The driving circuit is electrically connected to a plurality of light-emitting diodes, and controls the plurality of light-emitting diodes to emit light, so that the vehicle lamp has a mixed light uniformity. Evenness and first mixed color. The light sensor is disposed adjacent to the vehicle lamp, and senses the light emission of the vehicle lamp to obtain the mixed light uniformity and the first mixed color. The electronic device is electrically connected to the optical sensor and the driving circuit and has a set chromaticity coordinate and a reference mixed light uniformity range. The electronic device determines the mixed light uniformity and the reference mixed light uniformity range. If the mixed light uniformity falls within the reference mixed light uniformity In the light uniformity range, the electronic device converts the first mixed color to the first mixed chromaticity coordinates. Wherein, if the electronic device compares the set chromaticity coordinates with the first mixed chromaticity coordinates, the color adjustment procedure is completed; if the electronic device compares the set chromaticity coordinates with the first mixed chromaticity coordinates and has the first mixed color difference value, the electronic device The device resets the drive circuit according to the first mixed color difference value to control the light emission of the car light, so that the car light has a second mixed color, the light sensor re-senses the light emission of the car light, and the electronic device converts the second mixed color into a second mixed color. The mixed chromaticity coordinates are compared and the second mixed chromaticity coordinates are compared with the set chromaticity coordinates.

Optionally, if the chromaticity coordinates set by the electronic device are consistent with the second mixed chromaticity coordinates, the color adjustment procedure is completed.

Optionally, if the electronic device compares the set chromaticity coordinate with the second mixed chromaticity coordinate and has a second mixed color difference value, the electronic device resets the drive circuit according to the second mixed color difference value to control the light emission of the vehicle light, so that the vehicle light is illuminated. With the third mixed color, the light sensor re-senses the light emission of the vehicle lamp, and the electronic device converts the third mixed color into the third mixed chromaticity coordinate and compares the third mixed chromaticity coordinate with the set chromaticity coordinate.

Optionally, if the mixed light uniformity does not fall within the reference mixed light uniformity range, the electronic device determines that the light-emitting diode is defective.

Optionally, the light sensor is arranged on the optical axis of the vehicle lamp.

Optionally, the present invention further includes a base that accommodates the vehicle light.

Continuing from the above, the iterative light-emitting diode color adjustment method of the present invention uses an iterative method to adjust the color of light-emitting diodes, so that the chromaticity coordinates of the light-emitting diodes are consistent with the target chromaticity coordinates, so as to achieve color adjustment. purpose.

As mentioned above, the vehicle lamp detection system of the present invention uses an iterative method to adjust the chromaticity coordinates of the vehicle lamps, so that the chromaticity coordinates of the vehicle lamps are consistent with the set chromaticity coordinates, so as to achieve the purpose of vehicle lamp detection and reduce the detection cost.

10: Car lights

11: Light Emitting Diodes

20: Drive circuit

30: Light sensor

40: Electronics

B: base

MC: Reference Mixed Light Uniformity Range

S: Shell

LS: Light Space

T: set chromaticity coordinates

S11~S26: Steps

FIG. 1 is a flowchart of an iterative light-emitting diode color adjustment method of the present invention.

FIG. 2 is a schematic diagram of the first chromaticity coordinate and the second chromaticity coordinate.

FIG. 3 is a block diagram of the vehicle lamp detection system of the present invention.

FIG. 4 is a configuration diagram of the vehicle lamp detection system of the present invention.

FIG. 5 is a configuration diagram of the vehicle lamp of the present invention.

The advantages, features, and technical means of achieving the present invention will be more easily understood by being described in more detail with reference to the exemplary embodiments and the accompanying drawings, and the present invention may be implemented in different forms, so it should not be construed as being limited to what is described herein. Rather, the embodiments are provided so that this disclosure will be thorough, complete and complete to convey the scope of the invention to those of ordinary skill in the art, and the invention will only be appended Defined by the scope of the patent application.

It will be understood that although the terms "first", "second", etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections You should not be limited by these terms. These terms are only used to refer to an element, component, region, A layer and/or section is distinguished from another element, component, region, layer and/or section. Thus, "first element", "first feature", "first region", "first layer" and/or "first portion" discussed below may be referred to as "second element", "second feature" , "Second Area", "Second Layer" and/or "Second Section" without departing from the spirit and teachings of the present invention.

Additionally, the terms "comprising" and/or "comprising" refer to the presence of stated features, regions, integers, steps, operations, elements and/or components, but do not exclude one or more other features, regions, integers, steps, operations , elements, components and/or the presence or addition of combinations thereof.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms such as those defined in commonly used dictionaries should be construed as having definitions consistent with their meanings in the context of the related art and the present invention, and will not be construed as idealized or overly formal meaning, unless expressly defined as such herein.

Please refer to FIG. 1 and FIG. 2 , which are a flowchart of an iterative light-emitting diode color adjustment method according to the present invention and a schematic diagram of a first chromaticity coordinate and a second chromaticity coordinate. As shown in FIG. 1, the iterative light-emitting diode color adjustment method of the present invention includes: step S11: providing light-emitting diodes, and configuring a driving circuit to make the light-emitting diodes emit light with light uniformity and first Color, the driving circuit is electrically connected to the light-emitting diodes and provides driving voltage or driving current to the light-emitting diodes, so that the light-emitting diodes emit light. The first color can be, for example, red, blue or Green, of course, can also be other colors, and is not limited to the scope of the present invention.

Step S12: use the light sensor to sense the light emission of the light emitting diode to obtain the light uniformity and the first color; wherein, the light sensor is arranged in the light emitting direction of the light emitting diode, preferably, the light sensor Set right above the light-emitting diode.

Among them, the light sensor can perform color correction with the chromaticity gun before sensing. Specifically, 6 sets of RGB parameters (which are {63,0,0}, {0,63 respectively) are input through the driving circuit. ,0},{0,0,63},{63,63,0},{63,0,63},{0,63,63}) in the light-emitting diode, the light-emitting diode is based on 6 groups of RGB The light sensor detects the light emission of the light-emitting diode, and the electronic device converts the 6 groups of RGB parameters into chromaticity coordinates O _n ( cx,cy ) (n=1~6) respectively, and the chromaticity gun is also input. The 6 sets of parameters are converted into T _n ( cx,cy ) (n=1~6), and the photo sensor and chromaticity gun can be corrected by the following relationship: T _n ( cx )= O _n ( cx ) a ₁ + O _n ( cx ) b ₁ + c ₁

T _n ( cy ) = On ( cx ) a ₂ + On ( _cx ) b _{2 +} c ₂

which is

Bring in 6 sets of RGB parameters, use the linear least square solution to calculate the transformation matrix, a ₁ , a ₂ , b ₁ , b ₂ , c ₁ and c ₂ are all coefficients

Abbreviated as Oa = T

Then a =( O ^T O ) ^-1 O ^T T

Step S13: use the electronic device to determine the light uniformity and the range of the reference light uniformity; the reference light uniformity range is set in the electronic device, and the reference light uniformity range is variable according to the general type of light-emitting diodes (the user can The operation sets the value of the first reference light uniformity in the electronic device). If the light uniformity falls within the reference light uniformity range, proceed to step S15; if the light uniformity does not fall within the reference light uniformity range, proceed to step S14.

Step S14: The electronic device determines that the light emitting diode is defective, that is, the light uniformity of the light emitting diode is poor and the light emitting condition is abnormal.

Step S15: Control the electronic device to convert the first color into the first chromaticity coordinates.

Step S16: use the electronic device to compare the target chromaticity coordinates with the first chromaticity coordinates; wherein, the target chromaticity coordinates are variable according to the general type of light-emitting diodes (the value of the target chromaticity coordinates is set by the user's own operation at electronic device). If the target chromaticity coordinates match the first chromaticity coordinates, proceed to step S17; if the target chromaticity coordinates do not match the first chromaticity coordinates, proceed to step S18.

Step S17: Complete the color adjustment procedure, that is, the light-emitting condition of the light-emitting diode is normal.

Step S18: Use the electronic device to calculate the first difference between the target chromaticity coordinates and the first chromaticity coordinates. .

Step S19: According to the first difference, reset the light-emitting parameters of the light-emitting diode, that is, the electronic device resets the driving circuit to change the driving voltage or driving current to control the light-emitting diode to emit light, so that the light-emitting diode has second color

Step S20 : re-sensing the light emission of the light emitting diode with the light sensor to obtain the second color.

Step S21: The electronic device converts the second color into second chromaticity coordinates and compares the second chromaticity coordinates with the target chromaticity coordinates.

Step S22: Use the electronic device to compare the target chromaticity coordinates with the second chromaticity coordinates. If the target chromaticity coordinates and the second chromaticity coordinates match, proceed to step S22; if the target chromaticity coordinates do not match the second chromaticity coordinates, proceed to step S23.

Step S23: Complete the color adjustment procedure, that is, the chromaticity coordinates of the light-emitting diodes are consistent with the target chromaticity coordinates set by the user.

Step S24: Use the electronic device to calculate the second difference between the target chromaticity coordinates and the second chromaticity coordinates.

Step S25; according to the second difference, reset the light-emitting parameters of the light-emitting diode, that is, the electronic device resets the driving circuit to change the driving voltage or driving current to control the light-emitting diode to emit light, so that the light-emitting diode has The third color, step S26 : re-sensing the light emission of the light emitting diode with the light sensor, the electronic device converts the third color into the third chromaticity coordinate, and compares the third chromaticity coordinate with the target chromaticity coordinate. Wherein, if the second difference is the same as the first difference (for example, the second difference and the first difference are both 0.0005), the second chromaticity coordinate of the light-emitting diode is quite close to the target chromaticity coordinate , the second difference is an allowable error, and the light-emitting condition of the light-emitting diode meets the user's expectation.

If the third chromaticity coordinate matches the target chromaticity coordinate, the color adjustment procedure is completed; if the third chromaticity coordinate and the target chromaticity coordinate have a third difference, the electronic device resets the driving circuit according to the third difference to change the driving voltage to control the light-emitting diodes to emit light, repeat steps S15~S20 until the chromaticity coordinates of the light-emitting diodes and the target chromaticity coordinates match or the difference is an allowable error, stop resetting the driving circuit to change the driving voltage or drive current.

It should be mentioned that the first chromaticity coordinate, the second chromaticity coordinate, the third chromaticity coordinate and the target chromaticity coordinate are the chromaticity coordinates set by the International Commission on Illumination (CIE) standard, and the CIE chromaticity coordinate can represent is (x, y, Y) (where x is the horizontal component of chrominance, y is the vertical component of chrominance, and Y is the luminance of the color). For example, as shown in Figure 2, the first chromaticity coordinates are (0.2805, 0.2196, 0.8774), the second chromaticity coordinates are (0.2394, 0.3216, 19.734), and the target chromaticity coordinates are (0.2426, 0.3226, 19.084) ), the first difference is 0.0034; or, the first chromaticity coordinate is (0.2786, 0.4069, 25.876), the second chromaticity coordinate is (0.3150, 0.3228, 31.000), the target chromaticity coordinate is (0.2426, 0.3226, 19.084), the first difference is 0.0047.

Please refer to FIGS. 3 to 4 , which are block diagrams of the vehicle lamp detection system of the present invention and configuration diagrams of the vehicle lamp detection system of the present invention. As shown in FIG. 3 and FIG. 4 , the vehicle lamp detection system of the present invention includes a vehicle lamp 10 , a driving circuit 20 , a light sensor 30 and an electronic device 40 . The vehicle lamp 10 has a plurality of light-emitting diodes 11 , the colors of the light-emitting diodes 11 are the same or different from each other, and the brightness of the light-emitting diodes is the same or different from each other. For example, the vehicle lamp 10 can emit white light. The driving circuit 20 is electrically connected to a plurality of light-emitting diodes 11, and controls the plurality of light-emitting diodes 11 to emit light, so that the vehicle lamp 10 has mixed light uniformity and a first mixed color; The received driving voltages may be the same or different from each other. The light sensor 30 is disposed adjacent to the vehicle lamp 10 and senses the light emission of the vehicle lamp 10 to obtain the mixed light uniformity and the first mixed color; wherein, the light sensor 30 may be, for example, a charge-coupled camera Device Camera, CCD camera). The electronic device 40 is electrically connected to the light sensor 30 and the driving circuit 20 and has a set chromaticity coordinate T and a reference mixed light uniformity range MC. The electronic device 40 determines the mixed light uniformity and the reference mixed light uniformity range MC. If the light uniformity falls within the reference mixed light uniformity range MC, the electronic device 40 converts the first mixed color into the first mixed chromaticity coordinate; if the mixed light uniformity is lower than the reference mixed light uniformity range MC, the electronic device 40 determines the vehicle The lamp 10 is defective, that is, the light uniformity of the vehicle lamp 10 is poor and the lighting conditions are abnormal.

The base B accommodates the lamp 10 , the housing S and the base B can be black, the shape of the opening of the housing S fits the shape of the base B, and the housing S and the base B define a light space when they are in close contact with each other. LS, the light space LS prevents the light emitted by the vehicle lamp 10 from leaking out and avoids the interference of external light (such as fluorescent lamps); the optical sensor 30 is arranged on the optical axis of the vehicle lamp 10 (in this embodiment, the optical sensor 30 is arranged above the headlight 10), light perception The detector 30 can completely collect the light emitted by the vehicle lamp 10 , and according to the sensing conditions of the optical sensor 30 , a plurality of lenses can be arranged between the optical sensor 30 and the vehicle lamp 10 to collect the light emitted by the vehicle lamp 10 . emitted light. The light sensor 30 and the driving circuit 20 are electrically connected to the electronic device 40 through wires. The electronic device 40 can be a notebook computer, a computer or a super computer, and can also be other preferred types of devices with computing functions, which are not limited to the scope of the present invention.

,

)_r、L_n(

,

)_g和L_n(

,

)_b，

其中，區塊數目為m²，L_n(

)_r、L_n(

)_g和L_n(

)_b為單個發光二極體11於紅光、藍光和綠光的測試期間的光均勻度的水平分量(x軸為車燈10的長邊方向)，L_n(

)_r、L_n(

)_g和L_n(

)_b為單個發光二極體11的光均勻度的垂直分量(y軸為車燈10的短邊方向)，燈具10的光均勻度於紅光、藍光和綠光的測試期間平均值Avg(r)、Avg(g)和Avg(b)，其中，

，其中N=發光二極體11的數目，L_N(

,

)_r為單個發光二極體11在紅光的光均勻度，L_N(

,

)_g為單個發光二極體11在綠光的光均勻度，L_N(

,

)_b為單個發光二極體11在藍光的光均勻度，則各發光二極體11和燈具10的光均勻度於紅光、藍光和綠光的測試期間平均值所對應的差值為Diffence(L_n,Avg)=(L_n(r)-Avg(r))²+(L_n(g)-Avg(g))²+(L_n(b)-Avg(b))²，參考混合光均勻度範圍MC可根據光均勻度差值而設定。 Please refer to FIG. 5 , which is a configuration diagram of the vehicle lamp of the present invention. As shown in FIG. 5 , for example, the vehicle lamp 10 includes nine light-emitting diodes 11 . If the light emitting surface of a single light emitting diode 11 is divided into multiple blocks, the light uniformity of each block is tested for red light, blue light and green light, and the light uniformity of each block is better than that of red light, blue light and green light The test periods of are L _n (

,

) _r , L _n (

,

) _g and L _n (

,

) _b ,

Among them, the number of blocks is m ² , L _n (

) _r , L _n (

) _g and L _n (

) _b is the horizontal component of the light uniformity of a single light-emitting diode 11 during the test period of red light, blue light and green light (the x-axis is the long-side direction of the lamp 10), L _n (

) _r , L _n (

) _g and L _n (

) _b is the vertical component of the light uniformity of a single light-emitting diode 11 (y-axis is the short-side direction of the lamp 10 ), and the light uniformity of the lamp 10 is the average value Avg ( r), Avg(g) and Avg(b), where,

, where N=the number of light-emitting diodes 11, L _N (

,

) _r is the light uniformity of a single light-emitting diode 11 in red light, L _N (

,

) _g is the light uniformity of a single light-emitting diode 11 in green light, L _N (

,

) _b is the light uniformity of a single light-emitting diode 11 in blue light, then the difference between the light uniformity of each light-emitting diode 11 and the lamp 10 and the average value of the red light, blue light and green light during the test period is Diffence (L _n ,Avg)=(L _n (r)-Avg(r)) ² +(L _n (g)-Avg(g)) ² +(L _n (b)-Avg(b)) ² , refer to The mixed light uniformity range MC can be set according to the light uniformity difference.

，第一混合色度座標之水平分量的色度差值Diffence_cx(P,T)=T(cx)-P(cx)，第一混合色度座標之垂直分量的色度差值Diffence_cy(P,T)=T(cy)-P(cy)，第一混合色度座標的亮度差Diffence_Y(P,T)=T(Y)-P(Y) Please refer to FIGS. 1 to 4 again, if the electronic device 40 compares the set chromaticity coordinate T with the first mixed chromaticity coordinate, the color adjustment procedure is completed; if the electronic device 40 compares the set chromaticity coordinate T with the first mixed chromaticity coordinate The mixed chromaticity coordinate has a first mixed color difference value. The electronic device 40 resets the driving circuit 20 according to the first mixed color difference value to control the light emitting of the vehicle lamp 10 . The lamp 10 has a second mixed color, the light sensor 30 re-senses the light emission of the vehicle lamp 10, the electronic device 40 converts the second mixed color into a second mixed chromaticity coordinate and compares the second mixed chromaticity coordinate with the set color Degree coordinate T. Among them, the first mixed chromaticity coordinate P(cx, cy) can be set, the chromaticity coordinate T(cx, cy) can be set, and the first mixed color difference value can be set.

, the chromaticity difference value of the horizontal component of the first mixed chromaticity coordinate Diffence _cx (P,T)=T(cx)-P(cx), the chromaticity difference value of the vertical component of the first mixed chromaticity coordinate Diffence _cy ( P,T)=T(cy)-P(cy), the luminance difference of the first mixed chromaticity coordinate Diffence _Y (P,T)=T(Y)-P(Y)

If the electronic device 40 compares the set chromaticity coordinate T with the second mixed chromaticity coordinate, the color adjustment procedure is completed; if the electronic device 40 compares the set chromaticity coordinate T with the second mixed chromaticity coordinate, there is a second mixed color difference value , the electronic device 40 resets the drive circuit 20 according to the second mixed color difference value to control the light 10 to emit light. The drive circuit 20 adjusts the light-emitting ratio of each light-emitting diode 11 so that the light 10 has the third mixed color. The controller 30 senses the light emission of the vehicle lamp 10 again, and the electronic device 40 converts the third mixed color into the third mixed chromaticity coordinate and compares the third mixed chromaticity coordinate with the set chromaticity coordinate T.

If the third mixed chromaticity coordinate matches the set chromaticity coordinate T, the color adjustment procedure is completed; if the third mixed chromaticity coordinate and the set chromaticity coordinate T have a third difference, the electronic device 40 resets the drive according to the third difference circuit 20 to change the driving voltage to control the light-emitting diode to emit light until the lamp When the chromaticity coordinate of 10 matches the target chromaticity coordinate or the difference is an allowable error, stop resetting the driving circuit 20 to change the driving voltage of each light-emitting diode 11 .

Continuing from the above, the iterative light-emitting diode color adjustment method of the present invention uses an iterative method to adjust the color of light-emitting diodes, so that the chromaticity coordinates of the light-emitting diodes are consistent with the target chromaticity coordinates, so as to achieve color adjustment. purpose. The vehicle lamp detection system of the present invention adjusts the chromaticity coordinates of the vehicle lamp 10 in an iterative manner, so that the chromaticity coordinates of the vehicle lamp 10 are consistent with the set chromaticity coordinate T, so as to achieve the purpose of vehicle lamp detection and reduce the detection cost.

The above description is exemplary only, not limiting. Any equivalent modifications or changes that do not depart from the spirit and scope of the present invention shall be included in the appended patent application scope.

S11~S24: Steps

Claims (10)

An iterative light-emitting diode color adjustment method, comprising: providing a light-emitting diode, configuring a driving circuit to make the light-emitting diode emit light with a light uniformity and a first color; using a light sensing The device senses the light emission of the light emitting diode to obtain the light uniformity and the first color; an electronic device is used to determine the light uniformity and a reference light uniformity range, if the light uniformity falls within the reference light uniformity chromaticity range, control the electronic device to convert the first color into a first chromaticity coordinate, the electronic device has a target chromaticity coordinate; use the electronic device to compare the target chromaticity coordinate with the first chromaticity coordinate; If the target chromaticity coordinates are consistent with the first chromaticity coordinates, a color adjustment procedure is completed; if the target chromaticity coordinates and the first chromaticity coordinates have a first difference, the electronic device is based on the first difference. Resetting the driving circuit to control the light-emitting diode to emit light, so that the light-emitting diode has a second color; and re-sensing the light-emitting of the light-emitting diode with the light sensor, the electronic device uses the first color The two colors are converted into a second chromaticity coordinate and the second chromaticity coordinate is compared with the target chromaticity coordinate. According to the iterative light-emitting diode color adjustment method described in claim 1, if the target chromaticity coordinate is consistent with the second chromaticity coordinate, the color adjustment procedure is completed. The iterative light-emitting diode color adjustment method as claimed in claim 1, if the target chromaticity coordinate and the second chromaticity coordinate have a second difference, the electronic device resets the second difference according to the second difference a driving circuit to control the light-emitting diode to emit light, so that the light-emitting diode The light-emitting diode has a third color, the light-emitting diode is re-sensed by the light sensor, and the electronic device converts the third color into a third chromaticity coordinate and compares the third chromaticity coordinates and the target chromaticity coordinates. According to the iterative light-emitting diode color adjustment method described in claim 1, if the light uniformity does not fall within the reference light uniformity range, the light-emitting diode is judged to be defective. A vehicle lamp detection system, comprising: a vehicle lamp with a plurality of light-emitting diodes; a driving circuit electrically connecting the plurality of light-emitting diodes and controlling the plurality of light-emitting diodes to emit light, so that the vehicle The lamp has a mixed light uniformity and a first mixed color; a light sensor is disposed adjacent to the vehicle lamp, and senses the light emission of the vehicle lamp to obtain the mixed light uniformity and the first mixed color; and an electronic device that is electrically connected to the light sensor and the driving circuit and has a set chromaticity coordinate and a reference mixed light uniformity range, the electronic device determines the mixed light uniformity and the reference mixed light uniformity range, If the mixed light uniformity falls within the reference mixed light uniformity range, the electronic device converts the first mixed color into a first mixed chromaticity coordinate; wherein, if the electronic device compares the set chromaticity coordinate with the The first mixed chromaticity coordinates match, and a color adjustment procedure is completed; if the electronic device has a first mixed color difference value compared with the set chromaticity coordinates and the first mixed chromaticity coordinates, the electronic device is based on the first mixed chromaticity coordinate. The color difference value resets the drive circuit to control the light of the vehicle light, so that the vehicle light has a second mixed color, the light sensor re-senses the light of the vehicle light, and the electronic device converts the second mixed color is a second mixed chromaticity coordinate and compares the second mixed chromaticity coordinate with the set chromaticity coordinate. According to the vehicle lamp detection system of claim 5, if the electronic device compares the set chromaticity coordinates with the second mixed chromaticity coordinates, the color adjustment procedure is completed. The vehicle lamp detection system according to claim 5, if the electronic device has a second mixed color difference value compared with the set chromaticity coordinate and the second mixed chromaticity coordinate, the electronic device is based on the second mixed color difference The value resets the driving circuit to control the light emission of the vehicle lamp, so that the vehicle lamp has a third mixed color, the light sensor re-senses the light emission of the vehicle lamp, and the electronic device converts the third mixed color into a mixed color. The third mixed chromaticity coordinates are compared with the third mixed chromaticity coordinates and the set chromaticity coordinates. According to the vehicle lamp detection system of claim 5, if the mixed light uniformity does not fall within the reference mixed light uniformity range, the electronic device determines that the vehicle lamp is defective. The vehicle lamp detection system according to claim 5, wherein the light sensor is arranged on the optical axis of the vehicle lamp. The vehicle lamp detection system of claim 5, further comprising a base for accommodating the vehicle lamp.

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