CN111561667A - Manufacturing method of LED lamps and LED lamps thereof - Google Patents

Abstract

The present invention proposes a method for manufacturing an LED lamp and an LED lamp thereof. The LED lamp is provided for telecommunication connection with a setting device and includes a receiving module, a control module and a light-emitting module. The receiving module receives a control instruction from the setting device, and the control module is electrically connected to the receiving module, and the control module includes a circadian rhythm switching module and adjusts the phosphor concentration to form a high circadian rhythm factor mode. and the low circadian factor mode; and the light-emitting module is electrically connected to the control module, and the light-emitting module has at least one blue LED and a variety of phosphors with different emission wavelengths for receiving the light emitted by the blue LED. Excitation; thereby causing the control module to drive the light-emitting module through the control instruction, thereby forming a light-emitting pattern with circadian rhythm factors having different high and low values at a predetermined color temperature.

Description

Manufacturing method of LED lamps and LED lamps thereof

technical field

The present invention is related to the field of lighting lamps, and particularly relates to a manufacturing method of an LED lamp and an LED lamp thereof which can further set the performance of different high and low circadian rhythm factors under the same color temperature.

Background technique

In daily life, in addition to the most common exposure to natural light, the most common light source that most people come into contact with is the part of artificial lighting. Light-emitting diodes (LEDs) made of semiconductor components are currently the most energy-saving and power-saving light sources, and LEDs have high luminous efficiency, long life, and are superior to traditional light sources in color tunability and robustness. Therefore, many current lighting fixtures take light-emitting diodes as the priority.

Whether visible to the human eye or not is the basis for the classification of light, which can be divided into visible light and invisible light. The wavelength range of visible light is about 380-760 nm, and electromagnetic waves outside this range are invisible light. Due to the existence of different light-sensitive cells such as cones and columns in the human eye, these cells have different perceptions of light. For example, cone photosensitive cells are color-sensitive photosensitive cells and are less sensitive to light, so they only have photosensitive effects in generally brighter environments. On the other hand, human eyes have different sensitivities to light of different wavelengths, and the sensitivity curve of cone cells to light of different wavelengths is theoretically called the Photopic curve (Chromatic perception atnormal state), or Luminosity function. Generally speaking, the peak of the photopic sensitivity curve is located at a wavelength of about 555nm, which means that the cone cells of the human eye have the highest sensitivity to light with a wavelength of 555nm, and 1 watt of green light with a wavelength of 555nm is approximately equal to 683 lumens (Lumen, Lm ). As for the columnar photosensitive cells, they are photosensitive cells that cannot sense color, but their light sensitivity is quite sensitive. The sensitivity curve of columnar cells to light of different wavelengths is called the scotopic sensitivity curve (Scotopic curve; Achromatic perception at low level of illuminance). The peak of the scotopic sensitivity curve is located at a wavelength of about 507 nm, and 1 watt of light with a wavelength of 507 nm is about 1700 lumens (Lumen, Lm). Incidentally, for light with a wavelength of 555nm, 1 watt is equal to 683 lumens regardless of whether it is applied to photopic sensitivity or implied sensitivity.

In the evolution of life on Earth, the sun and its spectrum, as well as the alternation of day and night, play an important role in human adaptation to the natural environment. As a light receptor, the human eye is deeply affected by standard light, and the structure and function of the human eye are more accustomed to long-term daily work. Therefore, LED-based artificial light sources are expected to exhibit properties comparable to standard light, such as color temperature and circadian rhythm factor performance. Most of the previous studies have focused on the well-known parameters of luminance and chromaticity, color coordinates, color rendering, radiant luminescence efficiency, etc., and less about the adjustment settings of circadian rhythm factors.

In view of this, the inventor of the present application proposes a manufacturing method of an LED lamp and an LED lamp thereof that can further set the performance of different high and low circadian rhythm factors at the same color temperature, in order to improve the above-mentioned deficiencies in the prior art.

SUMMARY OF THE INVENTION

In view of the above problems, the present invention aims to provide a manufacturing method of an LED lamp and an LED lamp thereof, so as to be effective in a certain fixed color temperature, and there are two or more different circadian rhythm factors, thereby facilitating various environments or various types of circadian rhythm factors. Effective application of the purpose of use.

In order to achieve the above object, the present invention provides a method for manufacturing an LED lamp, including: providing at least one blue LED; providing a variety of phosphors with different emission wavelengths, and the multiple phosphors with different emission wavelengths are used to receive the blue color The light emitted by the LED is excited; a predetermined color temperature is selected, and at least two kinds of phosphors are selected from the phosphors with different emission wavelengths, so that the at least two kinds of phosphors are excited by the blue LED and mixed to emit the predetermined color temperature. color temperature light; set a high circadian rhythm factor mode to increase the concentration for the previously selected phosphors with an emission wavelength close to 480nm; or decrease the concentration for the previously selected phosphors with an emission wavelength close to 550nm; and set a low In the circadian rhythm factor mode, the concentration is reduced for the previously selected phosphors with an emission wavelength close to 480nm; or increases in concentration for the above-selected phosphors with an emission wavelength close to 550nm; thereby maintaining the predetermined concentration by adjusting the phosphor concentration LED lamps with color temperature and at least two modes of high and low circadian rhythm factors.

Wherein, at the predetermined color temperature, the high circadian rhythm factor mode has a high circadian rhythm factor H, the low circadian rhythm factor mode has a low circadian rhythm factor L, and when the predetermined color temperature is 2500K, the high circadian rhythm factor H The maximum is 0.35; the minimum of the low circadian factor L is 0.24.

Wherein, at the predetermined color temperature, the high circadian rhythm factor mode has a high circadian rhythm factor H, the low circadian rhythm factor mode has a low circadian rhythm factor L, and when the predetermined color temperature is 2700K, the high circadian rhythm factor H The maximum is 0.41; the minimum of the low circadian factor L is 0.27.

Wherein, at the predetermined color temperature, the high circadian rhythm factor mode has a high circadian rhythm factor H, the low circadian rhythm factor mode has a low circadian rhythm factor L, and when the predetermined color temperature is 3000K, the high circadian rhythm factor H The maximum is 0.46; the minimum of the low circadian factor L is 0.35.

Wherein, at the predetermined color temperature, the high circadian rhythm factor mode has a high circadian rhythm factor H, the low circadian rhythm factor mode has a low circadian rhythm factor L, and when the predetermined color temperature is 4000K, the high circadian rhythm factor H The maximum is 0.71; the minimum of the low circadian factor L is 0.51.

Wherein, at the predetermined color temperature, the high circadian rhythm factor mode has a high circadian rhythm factor H, the low circadian rhythm factor mode has a low circadian rhythm factor L, and when the predetermined color temperature is 5000K, the high circadian rhythm factor H The maximum is 0.82; the minimum of the low circadian factor L is 0.65.

Wherein, at the predetermined color temperature, the high circadian rhythm factor mode has a high circadian rhythm factor H, the low circadian rhythm factor mode has a low circadian rhythm factor L, and when the predetermined color temperature is 6000K, the high circadian rhythm factor H The maximum is 0.90; the minimum of the low circadian factor L is 0.75.

Wherein, at the predetermined color temperature, the high circadian rhythm factor mode has a high circadian rhythm factor H, the low circadian rhythm factor mode has a low circadian rhythm factor L, and when the predetermined color temperature is 6500K, the high circadian rhythm factor H The maximum is 0.94; the minimum of the low circadian factor L is 0.80.

Furthermore, the present invention also provides an LED lamp for telecommunication connection with a setting device, comprising: a receiving module for receiving a control command from the setting device in a wired or wireless manner; a control module, and the receiving module Electrically connected, the control module includes a circadian rhythm switching module, wherein the circadian rhythm switching module has a high circadian rhythm factor mode and a low circadian rhythm factor mode; and the high circadian rhythm factor mode and the low circadian rhythm factor mode are respectively used It is formed by adjusting the concentration of phosphor powder; and at least one light-emitting module is electrically connected to the control module, the light-emitting module has at least one blue LED and a plurality of phosphor powders with different emission wavelengths, and the plurality of phosphor powders with different emission wavelengths are used for It is excited by receiving the light emitted by the blue LED; thereby, the control module drives the light-emitting module through the control instruction, thereby forming a light-emitting pattern with different high and low circadian rhythm factors at a predetermined color temperature.

Wherein, the control module further includes: a color temperature switching module, the color temperature switching module is used for switching different predetermined color temperatures, and can further choose to execute the high circadian rhythm factor mode or the low circadian rhythm factor mode at the predetermined color temperature.

Wherein, the control module further includes: a time zone calibration switching module, the time zone calibration switching module confirms the time zone by using the global positioning system, and automatically adjusts the corresponding predetermined color temperature according to the average sunrise and average sunset times of the local season, and The high circadian factor mode or the low circadian factor mode is further selected at the predetermined color temperature.

Wherein, the control module further includes: a timing switching module, the timing switching module is used to set a plurality of switching periods, and automatically adjust the corresponding predetermined color temperature during the plurality of switching periods, and further select the predetermined color temperature The high circadian factor pattern or the low circadian factor pattern.

Further, the circadian rhythm switching module further comprises: a standard circadian rhythm factor pattern, and under the fixed predetermined color temperature, the circadian rhythm factor size of the standard circadian rhythm factor pattern is between the high circadian rhythm factor pattern and the low circadian rhythm factor pattern. between rhythm factor patterns.

To sum up, the manufacturing method of the LED lamp and the LED lamp provided by the present invention can make the LED lamp achieve extremely high and extremely low day and night under the same color temperature only by modulating the concentration of the phosphor powder. The rhythm factor performance allows users to select the size of the circadian rhythm factor at the predetermined color temperature according to environmental or time requirements, so as to improve the human body's vigilance and excitement through high circadian rhythm factors, or through low circadian rhythm factors. People can relax. Through the present invention, the lamp can not only provide the lighting effect of visual information identification, but also can enhance the influence of the lighting light on the physiological and psychological systems of human beings. Specific preferred implementations of the predetermined color temperature, the high circadian rhythm factor value, and the low circadian rhythm factor value are as illustrated in the previous paragraphs. The LED lighting fixture can be further provided with the color temperature switching module, the time zone calibration module, the timing switching module, etc., so that the LED lighting fixture has more diversified lighting state settings and selections.

Description of drawings

FIG. 1 is a flow chart of steps of a manufacturing method of an LED lamp according to a preferred embodiment of the present invention.

FIG. 2 is a schematic block diagram of an LED lamp according to a preferred embodiment of the present invention.

FIG. 3 is a schematic diagram (1) of the application of the LED lamp according to the preferred embodiment of the present invention.

FIG. 4 is a schematic diagram (2) of the application of the LED lamp according to the preferred embodiment of the present invention.

FIG. 5 is a schematic diagram of the spectral curve of a standard LED at a color temperature of 2700K.

6 is a schematic diagram (1) of the spectrum curve of the LED lamp according to the preferred embodiment of the present invention at a color temperature of 2700K and a low circadian rhythm factor mode.

7 is a schematic diagram (2) of the spectral curve of the LED lamp according to the preferred embodiment of the present invention at a color temperature of 2700K and a low circadian rhythm factor mode.

FIG. 8 is a schematic diagram of the spectral curve of a standard LED at a color temperature of 4000K.

9 is a schematic diagram (1) of the spectral curve of the LED lamp according to the preferred embodiment of the present invention at a color temperature of 4000K and a high circadian rhythm factor mode.

10 is a schematic diagram (2) of the spectral curve of the LED lamp according to the preferred embodiment of the present invention at a color temperature of 4000K and a high circadian rhythm factor mode.

11 is a schematic diagram (3) of the spectral curve of the LED lamp according to the preferred embodiment of the present invention at a color temperature of 4000K and a high circadian rhythm factor mode.

12 is a schematic diagram of a spectral curve of an LED lamp according to a preferred embodiment of the present invention at a color temperature of 2500K and a low circadian rhythm factor mode.

13 is a schematic diagram of the spectral curve of the LED lamp according to the preferred embodiment of the present invention at a color temperature of 3000K and a low circadian rhythm factor mode.

14 is a schematic diagram of the spectral curve of the LED lamp according to the preferred embodiment of the present invention at a color temperature of 4000K and a low circadian rhythm factor mode.

15 is a schematic diagram of a spectral curve of an LED lamp according to a preferred embodiment of the present invention at a color temperature of 4000K and a high circadian rhythm factor mode.

FIG. 16 is a schematic diagram of a spectral curve of an LED lamp according to a preferred embodiment of the present invention at a color temperature of 5000K and a high circadian factor mode.

17 is a schematic diagram of the spectral curve of the LED lamp according to the preferred embodiment of the present invention at a color temperature of 6500K and a high circadian rhythm factor mode.

Description of reference numerals: 1-LED lamps; 10-receiving module; 11-control module; 111-circadian rhythm switching module; 1111-high circadian factor mode; 1112-low circadian factor mode; 1113-standard circadian factor mode ; 112-color temperature switching module; 113-time zone calibration switching module; 114-timing switching module; 12-light emitting module; 2-setting device; S01-S04-steps.

Detailed ways

According to medical research, optical information not only provides visual information recognition to the human physiological system, but also affects its physical, physiological and psychological behavior. When light enters the human eye, it will produce non-visual biological effects at the same time. This effect plays an important role in the formation and release of melatonin, cortisol, and other hormones, which ultimately affect human health or work performance. For example, different degrees of stimulation should be received during the day and night to prevent adverse effects on the human circadian rhythm. In order to simply characterize the non-visual biological effects of white light sources, the melatonin suppression spectrum was theoretically combined with the spectral luminescence sensitivity function, and an impact factor, Circadian action factor (CAF), was defined. For example, in the workplace, white light with high circadian factor values can increase worker alertness and excitement, while in bedrooms, white light with low circadian factor values is needed to help people relax.

In order to effectively control the variable factors of the circadian rhythm factor, the present invention does not aim at the correlation study between the driving current and the circadian rhythm factor. The present invention further achieves lighting performance with high and low circadian rhythm factors at a predetermined color temperature by using the specific gravity adjustment method of the fluorescent powder. Basically, the circadian factor can be expressed as CAF={∫P(λ)C(λ)dλ}/{∫P(λ)V(λ)dλ}. Among them, C(λ) is the melanopic sensitivity function, P(λ) is the highest luminous efficiency, V(λ) is the photopic sensitivity function, and CAF is obtained by dividing the luminous flux of the two. Therefore, based on this, the present invention further proposes a manufacturing method of an LED lamp and an LED lamp thereof, which can further set the performance of different high and low circadian rhythm factors at the same color temperature.

Please refer to FIG. 1 , which is a flow chart of the steps of a manufacturing method of an LED lamp according to a preferred embodiment of the present invention. The LED lamp manufacturing method includes the following steps. First, at least one blue LED is provided (step S01 ). A variety of phosphors with different emission wavelengths are provided, and the phosphors with different emission wavelengths are excited to receive the light emitted by the blue LED (step S02 ). Next, a predetermined color temperature is selected, and at least two kinds of phosphor powders are selected from the plurality of phosphor powders with different emission wavelengths, so that the at least two kinds of phosphor powders are excited by the blue LED and then mixed to emit light of the predetermined color temperature (step S03) . Then, set a high circadian rhythm factor mode, increase the concentration for the previously selected phosphors with an emission wavelength close to 480nm; or decrease the concentration for the previously selected phosphors with an emission wavelength close to 550nm; and set a low circadian In the rhythm factor mode, the concentration is reduced for the previously selected phosphor with an emission wavelength close to 480 nm; or the concentration is increased for the previously selected phosphor with an emission wavelength close to 550 nm (step S04 ), whereby the concentration of the phosphor is adjusted by adjusting the concentration of the phosphor. It is an LED lamp that maintains the predetermined color temperature and has at least two modes of high and low circadian rhythm factors. Through the above-mentioned manufacturing method of LED lamps, it is possible to make LED lamps that can maintain the predetermined color temperature and at least have both high and low circadian rhythm factor modes by adjusting the concentration of phosphor powder, so that the LED lamps can meet various requirements. Purpose and time to choose different circadian rhythm factor modes to greatly improve the applicability of LED lamps. Moreover, by adjusting the concentration ratio of phosphor powder, it is different from other adjustment methods in the past, so as to have more effective and accurate adjustment performance. At the same time, adjusting the structure of the light source used to emit light can reduce the influence of other control conditions. the resulting adjustment bias.

The following continues to describe the LED lamp 1 that can further select the performance of different high and low circadian rhythm factors at the same color temperature. Please refer to FIG. 2 to FIG. 4 , which are schematic block diagrams and schematic diagrams of each application of the LED lamp according to the preferred embodiment of the present invention. . The LED lamp 1 is for telecommunication connection with a setting device 2 , and includes a receiving module 10 , a control module 11 and at least one light-emitting module 12 . The receiving module 10 receives a regulation command from the setting device 2 in a wired or wireless manner, the light-emitting module 12 is electrically connected to the receiving module 10, and the control module 11 includes a circadian rhythm switching module 111, wherein the circadian rhythm switching module The module 111 has a high circadian rhythm factor pattern 1111 and a low circadian rhythm factor pattern 1112; and the high circadian rhythm factor pattern 1111 and the low circadian rhythm factor pattern 1112 are respectively formed by adjusting the phosphor concentration. The light-emitting module 12 is electrically connected to the control module 11 , and the light-emitting module 12 has at least one blue LED and a variety of phosphors with different emission wavelengths, and the phosphors with different emission wavelengths are used to receive the emission from the blue LED excited by light. Thereby, the control module drives the light-emitting module 12 through the control instruction, thereby forming a light-emitting mode with circadian rhythm factors having different high and low values respectively at a predetermined color temperature. The LED lamp 1 can provide at least two circadian rhythm factor modes at the same predetermined color temperature, so that the user can choose the high circadian rhythm factor at the predetermined color temperature according to time, location or other needs. The mode 1111 or the low circadian rhythm factor mode 1112 enables the LED lamp 1 to provide illumination light more suitable for the user.

And the control module 11 of the LED lamp 1 can further include a color temperature switching module 112, the color temperature switching module 112 is used for switching different predetermined color temperatures, and can further choose to execute the high circadian rhythm factor mode at the predetermined color temperature 1111 or the low circadian factor pattern 1112. In this way, the user can issue the control instruction for switching the LED lamp 1 to different color temperatures through the setting device 2 , so that the LED lamp 1 can further switch the color temperature, and can switch to the desired predetermined color temperature after switching to the desired predetermined color temperature. The high circadian rhythm factor mode 1111 or the low circadian rhythm factor mode 1112 is then selected to be executed, thereby improving the use efficiency of the LED lamp 1 .

In addition, the control module 11 may further include a time zone calibration switching module 113, the time zone calibration switching module 113 confirms the time zone by using the global positioning system, and automatically adjusts the corresponding predetermined time according to the average sunrise and average sunset times of the local seasons color temperature, and further select the high circadian rhythm factor mode 1111 or the low circadian rhythm factor mode 1112 at the predetermined color temperature. In this way, the user can choose to automatically detect the time zone where the LED lamp is located, and automatically adjust the predetermined color temperature according to the average sunrise and sunset time, so that the user can automatically obtain the most appropriate corresponding lighting as time changes. , and when the predetermined color temperature changes, the high circadian rhythm factor mode 1111 or the low circadian rhythm factor mode 1112 can be further selected under the predetermined color temperature, allowing the user to choose a suitable circadian rhythm factor mode according to the location and environment.

In order to enhance the user's flexibility in adjusting the LED lamp 1 and set the lighting state according to their preferences, the control module 11 may further include a timing switching module 114 for setting a plurality of switching periods , and automatically adjust the corresponding predetermined color temperature during the plurality of switching periods, and further select the high circadian rhythm factor mode 1111 or the low circadian rhythm factor mode 1112 under the predetermined color temperature. In this way, the user can make the LED lamp 1 form a desired lighting state within a specified time interval according to his own daily routine or schedule. For example, a certain period of time is the user's reading time. The LED lamp 1 is set to emit light at the lower predetermined color temperature and the corresponding high circadian rhythm factor pattern 1111 during the switching period, so as to improve the reading efficiency of the user.

In addition to the aforementioned high circadian rhythm factor mode 1111 and the low circadian rhythm factor mode 1112 for modulation selection, the circadian rhythm switching module 111 may further include a standard circadian rhythm factor mode 1113, And under the fixed predetermined color temperature, the circadian rhythm factor size of the standard circadian rhythm factor pattern 1113 is between the high circadian rhythm factor pattern and the low circadian rhythm factor pattern. In this way, if the user does not need a high or low circadian rhythm factor, the LED lamp 1 can also achieve the desired lighting effect.

As shown in FIG. 3 and FIG. 4 , the setting device 2 can preferably be a portable electronic device such as a smart phone, a tablet computer, etc., so that the user can easily set the desired lighting state at any time. Of course, the setting device 2 can also be a setting structure directly disposed on the LED lamp 1. In this embodiment, the setting device 2 is a tablet computer, and the setting for the LED lamp 1 in the distance is taken as an example. Through the user interface of the setting device 2, the user can select the desired luminous color temperature, the corresponding high, standard or low circadian rhythm factor mode, or turn on the global positioning system to make the LED lamp 1 calibrate the switching module according to the time zone 113 to automatically adjust the color temperature, and to set the switching period by itself, so that the LED lamp 1 emits light in the set color temperature and circadian rhythm factor mode during the corresponding switching period. For example, after the user selects the predetermined color temperature at the top of the screen and the low circadian rhythm factor mode in the center, the setting device 2 sends the control command to the LED lamp 1, and the receiving module 10 of the LED lamp 1 receives the control After receiving the regulation command, the control module 11 drives the light-emitting module 12 according to the color temperature value and the low circadian rhythm factor mode selected by the regulation command, so that it is based on the set predetermined color temperature and the low circadian rhythm. The factor pattern glows to provide the required illumination. Or select the button to enable the global positioning mode, the time zone calibration switching module 113 can be used to perform positioning and time zone detection, so that the LED lamp 1 can adjust the lighting state by itself. Or as shown in FIG. 4 , the user can set the color temperature and circadian rhythm factor mode state in the multiple switching periods by himself. Color temperature and the standard circadian rhythm factor mode, at this time, the setting device 2 sends the regulation command to the LED lamp 1, the receiving module 10 of the LED lamp 1 receives the regulation command, and the control module 11 receives the regulation command Then, the light-emitting module 12 is driven according to the predetermined color temperature of 2500K and the standard circadian rhythm factor mode selected by the regulation instruction, so that it emits light according to the set predetermined color temperature and the standard circadian rhythm factor mode, providing the required illumination. Of course, in addition to adjusting and setting the LED lighting fixture 1 through the setting device 2 as shown in the figure, the LED lighting fixture 1 can also be easily controlled by a DIP switch structure such as provided on the lighting fixture. The high and low circadian rhythm factor modes under the fixed predetermined color temperature, thereby achieving the set effect. Wherein, the user interface of the setting device 2 shown in the figure is only a better schematic illustration, and does not represent an actual interface design.

In practical application, the aforementioned LED lamp manufacturing method and LED lamp 1 can have various color temperatures and corresponding presentations of the high circadian factor mode 1111 and the low circadian rhythm factor mode 1112 . Preferably, at the predetermined color temperature of the LED lamp 1, the high circadian rhythm factor mode 1111 has a high circadian rhythm factor H, and the low circadian rhythm factor mode 1112 has a low circadian rhythm factor L. In the color temperature, the high circadian rhythm factor H and the low circadian rhythm factor L are different. For example, when the predetermined color temperature is 2500K, the maximum circadian rhythm factor H is 0.35, and the minimum circadian rhythm factor L is 0.24; the When the predetermined color temperature is 2700K, the maximum circadian rhythm factor H is 0.41, and the minimum circadian rhythm factor L is 0.27; when the predetermined color temperature is 3000K, the maximum circadian rhythm factor H is 0.46, and the low circadian rhythm factor L is the minimum. When the predetermined color temperature is 4000K, the maximum circadian rhythm factor H is 0.71, and the minimum circadian rhythm factor L is 0.51; when the predetermined color temperature is 5000K, the maximum circadian rhythm factor H is 0.82, and the low circadian rhythm factor The minimum rhythm factor L is 0.65; when the predetermined color temperature is 6000K, the maximum circadian rhythm factor H is 0.90, and the minimum circadian rhythm factor L is 0.75; when the predetermined color temperature is 6500K, the maximum circadian rhythm factor H is 0.94 , the minimum circadian factor L is 0.80.

The high circadian rhythm factor and the low circadian rhythm factor of the LED lamp 1 of the present invention at various color temperatures are different from the circadian rhythm factors of sunlight, standard LEDs and lamps of various brands currently on the market at various color temperatures (CCT). (CAF) comparison results, as shown in Table 1 below.

Table 1

It can be seen from Table 1 that the LED lamp 1 of the present invention has both the high circadian rhythm factor mode and the low circadian rhythm factor mode under the same predetermined color temperature, so that it can be selected and changed according to the environment or time. It can be seen that the present invention can make the LED lamp 1 have the lighting performance of extremely high and extremely low circadian rhythm factors at the same time only by adjusting the phosphor concentration technology.

The comparison of the LED lamp 1 with the standard LED under some color temperatures and the adjustment results derived from the LED lamp 1 under different lighting considerations will be described below. Please refer to FIG. 5 to FIG. 7 . FIG. 5 is a spectral curve diagram of a standard LED when the color temperature is 2700K, the color rendering index (CRI)>80, and the circadian rhythm factor is 0.36. When the main adjustment focus is to reduce the value of the circadian rhythm factor, as shown in FIG. 6 , it shows that the LED lamp 1 made by adjusting the phosphor concentration of the present invention is at the predetermined color temperature of 2700K and the low CRI>76. In the circadian rhythm factor mode, the spectral curve graph when the low circadian rhythm factor is 0.27. It can be seen that the color temperature can be maintained at 2700K and the circadian rhythm factor can be maintained by reducing the concentration of phosphors with an emission wavelength close to 480nm or increasing the concentration of phosphors with an emission wavelength close to 550nm. Further, considering the color rendering problem, the present invention can also fine-tune the phosphor concentration to make LED lamps 1 that maintain the same color temperature and color rendering and whose circadian rhythm factor is smaller than that of standard LEDs, as shown in FIG. 7 . That is, the spectrum curve of the predetermined color temperature of the LED lamp 1 at 2700K, CRI>80, and the low circadian rhythm factor of 0.27.

Please refer to FIG. 8 to FIG. 11. FIG. 8 is a spectral curve diagram of a standard LED when the color temperature is 4000K, the CRI>80, and the circadian rhythm factor is 0.55. Similarly, when improving the value of the circadian rhythm factor is the main adjustment point, as shown in FIG. 9 , it shows that the LED lamp made by adjusting the phosphor concentration of the present invention is in the predetermined color temperature of 4000K and CRI>70. In the high circadian rhythm factor mode, the spectral curve diagram when the high circadian rhythm factor is 0.83, it can be seen that by reducing the concentration of phosphors with an emission wavelength close to 550nm or increasing the concentration of phosphors with an emission wavelength close to 480nm, the The color temperature is maintained at 4000K and has a high circadian rhythm factor. When adjusting the phosphor concentration, in addition to increasing the circadian rhythm factor, the color rendering problem must also be taken into account, the LED lamp 1 can be adjusted to the state of the spectrum graph as shown in FIG. 10 , which is the LED lamp 1 in the Spectral graph of the predetermined color temperature of 4000K, CRI>80 and the high circadian factor of 0.63. After the initial adjustment to the color rendering of CRI>80, the high circadian rhythm factor can also be increased by adjusting the phosphor concentration. As shown in FIG. 11 , it is the predetermined value of the LED lamp 1 at 4000K. Color temperature, CRI>80 and the high circadian rhythm factor to 0.71 spectral curve,

Please refer to FIG. 12 to FIG. 14 and also refer to FIG. 7 , which are spectral curves of the LED lamp 1 in the low circadian factor mode of each predetermined color temperature. Fig. 12 shows the spectral curve of the LED lamp 1 when the predetermined color temperature is 2500K, CRI>80, and the low circadian rhythm factor of the low circadian rhythm factor mode is 0.24; Fig. 7 shows the LED lamp 1 when the The spectral curve diagram when the predetermined color temperature is 2700K, CRI>80, and the low circadian rhythm factor of the low circadian rhythm factor mode is 0.27; Fig. 13 shows the LED lamp 1 when the predetermined color temperature is 3000K, CRI>80 and The spectral curve diagram of the low circadian rhythm factor mode when the low circadian rhythm factor is 0.37; Fig. 14 shows the low circadian rhythm factor of the LED lamp 1 when the predetermined color temperature is 4000K, CRI>80 and the low circadian rhythm factor mode Spectral plot with a rhythm factor of 0.51.

Please refer to FIGS. 15-17 , which are spectral curves of the LED lamp 1 under the high circadian rhythm factor mode of each predetermined color temperature. Fig. 15 shows the spectral curve of the LED lamp 1 when the predetermined color temperature is 4000K, CRI>80, and the high circadian rhythm factor of the high circadian rhythm factor mode is 0.71; Fig. 16 shows the LED lamp 1 in The spectral curve diagram when the predetermined color temperature is 5000K, CRI>80, and the high circadian rhythm factor of the high circadian rhythm factor mode is 0.85; FIG. 17 shows the LED lamp 1 when the predetermined color temperature is 6500K, CRI>80 and Spectral plot of the high circadian factor pattern when the high circadian factor is 0.96.

To sum up, the manufacturing method of the LED lamp and the LED lamp 1 proposed by the present invention can make the LED lamp 1 achieve the same color temperature by modulating the concentration of the phosphor powder, and at the same time have extremely high and extremely low The performance of circadian rhythm factor can allow the user to select the size of the circadian rhythm factor at the predetermined color temperature according to the needs of the environment or time, so as to improve the human body's vigilance and excitement through a high circadian rhythm factor, or through a low circadian rhythm factor Factors allow people to relax. Through the present invention, the lamp can not only provide the lighting effect of visual information identification, but also can enhance the influence of the lighting light on the physiological and psychological systems of human beings. Specific preferred implementations of the predetermined color temperature, the high circadian rhythm factor value, and the low circadian rhythm factor value are as illustrated in the previous paragraphs. The LED lighting fixture 1 can be further provided with the color temperature switching module 112 , the time zone calibration module 113 , and the timing switching module 114 , so that the LED lighting fixture 1 has more diversified lighting state settings and selections.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention; therefore, equivalent changes and modifications made without departing from the spirit and scope of the present invention shall be included in the present invention within the scope of the patent.

Claims (20)

1. A method for manufacturing an LED lamp is characterized by comprising the following steps:

providing at least one blue LED;

providing a plurality of phosphors with different emission wavelengths, wherein the phosphors with different emission wavelengths are used for receiving the light emitted by the blue LED and being excited;

selecting a preset color temperature, and selecting at least two kinds of fluorescent powder from the fluorescent powder with different emission wavelengths, so that the at least two kinds of fluorescent powder are excited by the blue LED and then mixed to emit light with the preset color temperature; and

setting a high circadian rhythm factor mode, and increasing the concentration of the selected fluorescent powder with the emission wavelength close to 480 nm; or reducing the concentration of the selected fluorescent powder with the emission wavelength close to 550 nm; setting a low circadian rhythm factor mode, and reducing the concentration of the selected fluorescent powder with the emission wavelength close to 480 nm; or increasing the concentration of the selected fluorescent powder with the emission wavelength close to 550 nm; therefore, the LED lamp which maintains the preset color temperature and has at least two modes of high and low circadian rhythm factors is manufactured by adjusting the concentration of the fluorescent powder.

2. The method of claim 1, wherein the high circadian factor mode has a high circadian factor H at the predetermined color temperature, the low circadian factor mode has a low circadian factor L, and the high circadian factor H is at most 0.35 at the predetermined color temperature of 2500K; the low circadian factor L is at least 0.24.

3. The method of claim 1, wherein the high circadian factor mode has a high circadian factor H at the predetermined color temperature, the low circadian factor mode has a low circadian factor L, and the high circadian factor H is at most 0.41 at the predetermined color temperature of 2700K; the low circadian factor L is at least 0.27.

4. The method of claim 1, wherein the high circadian factor mode has a high circadian factor H at the predetermined color temperature, the low circadian factor mode has a low circadian factor L, and the high circadian factor H is at most 0.46 at the predetermined color temperature of 3000K; the low circadian factor L is at least 0.35.

5. The method of claim 1, wherein the high circadian factor mode has a high circadian factor H at the predetermined color temperature, the low circadian factor mode has a low circadian factor L, and the high circadian factor H is at most 0.71 at the predetermined color temperature of 4000K; the low circadian factor L is at least 0.51.

6. The method of claim 1, wherein the high circadian factor mode has a high circadian factor H at the predetermined color temperature, the low circadian factor mode has a low circadian factor L, and the high circadian factor H is at most 0.82 at the predetermined color temperature of 5000K; the low circadian factor L is at least 0.65.

7. The method of claim 1, wherein the high circadian factor mode has a high circadian factor H at the predetermined color temperature, the low circadian factor mode has a low circadian factor L, and the high circadian factor H is at most 0.90 at the predetermined color temperature of 6000K; the low circadian factor L is at least 0.75.

8. The method of claim 1, wherein the high circadian factor mode has a high circadian factor H at the predetermined color temperature, the low circadian factor mode has a low circadian factor L, and the high circadian factor H is at most 0.94 at the predetermined color temperature of 6500K; the low circadian factor L is at least 0.80.

9. An LED lamp for telecommunication connection with a setting device, comprising:

a receiving module, which receives a regulation instruction from the setting device in a wired or wireless way;

a control module electrically connected to the receiving module, the control module comprising a circadian rhythm switching module, wherein the circadian rhythm switching module has a high circadian factor mode and a low circadian factor mode; the high circadian rhythm factor mode and the low circadian rhythm factor mode are respectively formed by adjusting the concentration of fluorescent powder; and

the light-emitting module is electrically connected with the control module and is provided with at least one blue LED and a plurality of fluorescent powders with different emission wavelengths, and the fluorescent powders with the different emission wavelengths are used for receiving the light emitted by the blue LED and being excited; therefore, the control module drives the light-emitting module through the regulating instruction, and a light-emitting mode with circadian rhythm factors with different high and low values at a preset color temperature is formed.

10. The LED lamp of claim 9, wherein the control module further comprises: a color temperature switching module for switching different predetermined color temperatures and further selecting to execute the high circadian factor mode or the low circadian factor mode at the predetermined color temperatures.

11. The LED lamp of claim 9, wherein the control module further comprises: a time zone calibration switching module, which uses global positioning system to confirm the time zone, and automatically modulates the corresponding preset color temperature according to the average sunrise and average sunset time of the local season, and further selects the high circadian factor mode or the low circadian factor mode at the preset color temperature.

12. The LED lamp of claim 9, wherein the control module further comprises: a timing switching module for setting multiple switching periods, automatically modulating the corresponding preset color temperature in the switching periods, and further selecting the high circadian factor mode or the low circadian factor mode at the preset color temperature.

13. The LED lamp of claim 9, wherein the circadian rhythm switching module further comprises: a standard circadian factor mode having a circadian factor magnitude between the high circadian factor mode and the low circadian factor mode at the fixed predetermined color temperature.

14. The LED lamp of claim 9, wherein the high circadian factor mode has a high circadian factor H at the predetermined color temperature, the low circadian factor mode has a low circadian factor L, and the high circadian factor H is at most 0.35 at the predetermined color temperature of 2500K; the low circadian factor L is at least 0.24.

15. The LED lamp of claim 9, wherein the high circadian factor mode has a high circadian factor H at the predetermined color temperature, the low circadian factor mode has a low circadian factor L, and the high circadian factor H is at most 0.41 at the predetermined color temperature of 2700K; the low circadian factor L is at least 0.27.

16. The LED lamp of claim 9, wherein the high circadian factor mode has a high circadian factor H at the predetermined color temperature, the low circadian factor mode has a low circadian factor L, and the high circadian factor H is at most 0.46 at the predetermined color temperature of 3000K; the low circadian factor L is at least 0.35.

17. The LED lamp of claim 9, wherein the high circadian factor mode has a high circadian factor H at the predetermined color temperature, the low circadian factor mode has a low circadian factor L, and the high circadian factor H is at most 0.71 at the predetermined color temperature of 4000K; the low circadian factor L is at least 0.51.

18. The LED lamp of claim 9, wherein the high circadian factor mode has a high circadian factor H at the predetermined color temperature, the low circadian factor mode has a low circadian factor L, and the high circadian factor H is at most 0.82 at the predetermined color temperature of 5000K; the low circadian factor L is at least 0.65.

19. The LED lamp of claim 9, wherein the LED lamp manufacturing method of claim 2, wherein at the predetermined color temperature, the high circadian factor mode has a high circadian factor H, the low circadian factor mode has a low circadian factor L, and the predetermined color temperature is 6000K, the high circadian factor H is at most 0.90; the low circadian factor L is at least 0.75.

20. The LED lamp of claim 9, wherein the high circadian factor mode has a high circadian factor H at the predetermined color temperature, the low circadian factor mode has a low circadian factor L, and the high circadian factor H is at most 0.94 at the predetermined color temperature of 6500K; the low circadian factor L is at least 0.80.

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