Nothing Special   »   [go: up one dir, main page]

CN115190668A - RGBWCL seven-color-in-one LED full-spectrum color mixing method - Google Patents

RGBWCL seven-color-in-one LED full-spectrum color mixing method Download PDF

Info

Publication number
CN115190668A
CN115190668A CN202210807613.0A CN202210807613A CN115190668A CN 115190668 A CN115190668 A CN 115190668A CN 202210807613 A CN202210807613 A CN 202210807613A CN 115190668 A CN115190668 A CN 115190668A
Authority
CN
China
Prior art keywords
color
led
light source
mixed
colors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210807613.0A
Other languages
Chinese (zh)
Inventor
卢迎辉
魏靓
刘长军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Xinlong Photoelectric Technology Co ltd
Original Assignee
Shanghai Xinlong Photoelectric Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Xinlong Photoelectric Technology Co ltd filed Critical Shanghai Xinlong Photoelectric Technology Co ltd
Priority to CN202210807613.0A priority Critical patent/CN115190668A/en
Publication of CN115190668A publication Critical patent/CN115190668A/en
Priority to PCT/CN2023/101061 priority patent/WO2024007848A1/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/10Controlling the intensity of the light
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20Controlling the colour of the light
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30Driver circuits
    • H05B45/32Pulse-control circuits
    • H05B45/325Pulse-width modulation [PWM]

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Device Packages (AREA)

Abstract

The invention discloses an LED full-spectrum color mixing method based on seven-color integration of RGBWPAL, and relates to the technical field of LED illumination. The specific method is to provide at least one color mixing module, wherein each color mixing module comprises an RGBWCL seven-color-in-one LED light source, a PCB used for welding the light source and an optical lens arranged on each LED light source. The color of the LED light source is seven, a PWM dimming mode is adopted, target color or white light is mixed by adjusting the duty ratio of each color R, G, B, W, C, L, A, the numerical relation between the chromaticity coordinate of the mixed target color or white light and the seven colors can be controlled and adjusted through DMX512, and the gray scale numerical values of the seven colors correspond to the duty ratio relation of the target color or white light. Seven arbitrary single chips in the LED light source are ignited, and the color emitted by the LED chips can be obtained; when any two LED chips in the LED light source are ignited, the colors between two colors can be mixed; lighting any three or more LED chips in an LED light source mixes three or more arbitrary colors that make up the chromaticity space in the CIE1976 chromaticity diagram. The invention can realize wider color gamut area, wider correlated color temperature range of the mixed white light, full spectrum white light can be realized by the spectrum of the mixed white light, the quality of the mixed white light is better, the color rendering index can realize Ra is more than 95, and R9 is more than 90. The core competitiveness of the LED lighting product is effectively improved.

Description

RGBWCL seven-color-in-one LED full-spectrum color mixing method
Technical Field
The invention relates to the technical field of LED lighting, in particular to an LED full-spectrum color mixing method based on seven-color integration of RGBWCL and RGBWCL.
Background
The early LED lighting colored LED outdoor lamp is mainly applied by developing RGBW (red green blue) based on RGB (red green blue) three primary colors, the color expression range of the LED lighting lamp is only a smaller range, the performance of mixed white light is poorer, the white light generated by mixing is poor in brightness and light quality, the spectrogram of the white light is more prominent in peaks and troughs, and has obvious difference compared with the spectrum of full-spectrum sunlight! Moreover, the quality of white light generated by mixing is extremely poor, the color rendering index is difficult to reach 60 basically, and the brightness of mixed color is also low. Core competitiveness of LED-illuminated luminaires!
Disclosure of Invention
In view of the above drawbacks of the prior art, an LED full spectrum color mixing method based on RGBWCLA seven-color-in-one is provided, which realizes a high-brightness target color and a wider range of target colors!
The invention discloses an LED full-spectrum color mixing method based on seven-color integration of RGBWPAL, and relates to the technical field of LED light source packaging. An LED full-spectrum color mixing method based on RGBWCL seven-color unification. The specific method is to provide at least one color mixing module, wherein each color mixing module comprises an RGBWCL seven-color-in-one LED light source, a PCB used for welding the light source and an optical lens arranged on each LED light source. The color of the LED light source is seven, a PWM dimming mode is adopted, target color or white light is mixed by adjusting the duty ratio of each color R, G, B, W, C, L, A, the numerical relation between the chromaticity coordinate of the mixed target color or white light and the seven colors can be controlled and adjusted through DMX512, and the gray scale numerical values of the seven colors correspond to the duty ratio relation of the target color or white light. Seven arbitrary single chips in the LED light source are ignited, and the color emitted by the LED chips can be obtained; when any two LED chips in the LED light source are ignited, the colors between two colors can be mixed; the lighting of any three or more LED chips in an LED light source mixes three or more arbitrary colors that make up the chromaticity space in the CIE1976 chromaticity diagram. The invention can realize wider color gamut area, wider correlated color temperature range of the mixed white light, full spectrum white light can be realized by the spectrum of the mixed white light, the quality of the mixed white light is better, the color rendering index can realize Ra being more than 95, and R9 being more than 90.
Preferably, seven LED chips (3) are respectively three primary colors RGB, three complementary colors CLA and white balance W, in a CIE1976 chromaticity diagram, the color gamut coverage rate is higher, and the selection of white light can effectively increase the brightness;
preferably, an LED full-spectrum color mixing method based on RGBWCL seven-color unification is adopted, a PWM dimming mode is adopted to respectively adjust the duty ratios of R, G, B, W, C, L and an A LED chip to adjust the brightness of each color, the requirement of a target color is realized, and the duty ratios and the brightness or current values of seven colors are respectively adjusted;
preferably, according to the RGBWCL seven-color-in-one LED full-spectrum color mixing method, the duty ratios of R, G, B, W, C, L and an A LED chip are respectively adjusted by a PWM dimming mode, namely the basic color of a target color, and a high-quality target color is obtained by a lens mixing mode;
preferably, the RGBWCL seven-color-in-one based LED full-spectrum color mixing method is characterized in that any two LED chips in an LED light source are adjusted, and the color between two colors can be mixed;
preferably, in the RGBWCLA seven-color-in-one based full-spectrum color mixing method for the LED, any three or more LED chips in an LED light source can mix three or more arbitrary colors constituting a chromaticity space in a CIE1976 chromaticity diagram;
preferably, an LED full-spectrum color mixing method based on RGBWCLA seven-color unification, the seven-color wavelength color temperatures are respectively: r:620-630nm, G:520-535nm, B:450-465nm, C:490-510nm, L:560-570nm, A:1750 to 1820K, W:3000K-6500K;
preferably, each color mixing module at least comprises an LED light source, a PCB and an optical lens, and light rays emitted by the LED light source and passing through the optical lens are mixed to reach a target color;
preferably, the RGBWLA seven-color-in-one LED full-spectrum color mixing method is characterized in that the correlated color temperature range of white light mixed by the color mixing module is 1800-8000K, the color rendering index Ra is more than 90, and R9 is more than 90;
preferably, the method for mixing the color of the LED full spectrum based on the RGBWLA seven-color-in-one is implemented inside the LED lighting device!
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
compared with an RGB (red, green and blue) integrated LED or more RGBW (red, green and blue) integrated LEDs on the market, the RGBW integrated LED full-spectrum color mixing method based on RGBW integrated seven colors is larger in the chromaticity space of a CIE1976 chromaticity diagram;
the spectrum of the mixed white light can realize full-spectrum white light, the quality of the mixed white light is better, the color rendering index can realize Ra is more than 95, and R9 is more than 90.
Drawings
FIG. 1 is an exploded view of a single color mixing module of the present invention;
FIG. 2 is a diagram showing a distribution of a spectrum of an RGBWLA seven-color-in-one LED mixed white light in an embodiment of the present invention;
FIG. 3 is a comparison of an RGBWCL seven-color in one LED of the present invention with a conventional four-color, three-color spectrum CIE1976 chromaticity diagram;
FIG. 4 is a color gamut diagram of seven-color-in-one LED dual-color mixed light in RGBWCL;
FIG. 5 is a schematic diagram of a seven-color RGBWLA LED dual-color mixed light path according to an embodiment of the present invention;
FIG. 6 is a graph of correlated color temperature of white light according to an embodiment of the present invention;
FIG. 7 is a mixed white light color rendering index detection diagram in an embodiment of the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Referring to fig. 1, the invention provides a seven-color-in-one full spectrum color mixing method for an LED based on RGBWCLA, which comprises the following steps:
color mixing of led lighting fixtures requires at least one module, as shown in fig. 1; the LED lamp mainly comprises an RGBWCL seven-color integrated LED light source (2), a PCB (1) for welding the light source and a light-emitting lens (3);
b. in this example, the colors selected are, respectively, R:620-630nm, G:520-535nm, B:450-465nm, C:490-510nm, L:560-570nm, A:1820K, W:4500K chip, used for packaging the LED light source of this example, the choice of color is three primary colors, three complementary colors and white balance, effectively increasing the chromaticity space of the light source itself, as shown in fig. 3, compared to the traditional three colors and the chromaticity space of the present invention in CIE1976;
light emitted by the RGBWCL seven-color integrated LED light source (2) can be effectively mixed through the optical lens (3) to realize target color, and a light path diagram is shown in FIG. 5;
d. in this example, taking the mixed light of two colors C and R as an example of color mixing, as shown in the CIE1976 chromaticity diagram of fig. 4, a connecting line of the two colors is a dotted line, and the color of any point on the connecting line can be realized;
e. the method for implementing the above steps is a PWM dimming manner, i.e. the color on the line can be described by the duty ratio of C and R, and the corresponding DMX512 is the gray scale value of R and C;
f. in step d, e, the brightness of C is high, i.e. the gray scale or duty ratio of C is higher, the color is close to C, otherwise, the color is close to R;
g. in steps d, e, and f, the color mixing manner of R and C is shown in this example, and the corresponding light path diagram is shown in fig. 5;
h. the way of mixing the white light is similar to the above steps d, e, f, g, the white light with different correlated color temperatures can be mixed by using the gray scale values with different seven colors, and the black body curve of the white light is shown in FIG. 6 (601), so that the color temperature range of the white light is 1800-8000K!
i. As shown in step h, the spectrum of the mixed color white light is a full spectrum, as shown in fig. 2;
j. as shown in step h, j, the color rendering index of the mixed color white light is detected as shown in FIG. 7, and the white light has better quality.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. An LED full-spectrum color mixing method based on RGBWCL seven-color unification. The specific method is to provide at least one color mixing module, wherein each color mixing module comprises an RGBWCL seven-color-in-one LED light source, a PCB (1) for welding the light source and an optical lens (3) arranged on each LED light source (2). The color of the LED light source is seven, a PWM dimming mode is adopted, target color or white light is mixed by adjusting the duty ratio of each color R, G, B, W, C, L, A, the numerical relation between the chromaticity coordinate of the mixed target color or white light and the seven colors can be controlled and adjusted through DMX512, and the gray scale numerical values of the seven colors correspond to the duty ratio relation of the target color or white light. Seven arbitrary single chips in the LED light source are ignited, and the color emitted by the LED chips can be obtained; when any two LED chips in the LED light source are ignited, the colors between two colors can be mixed; the lighting of any three or more LED chips in an LED light source mixes three or more arbitrary colors that make up the chromaticity space in the CIE1976 chromaticity diagram. The invention can realize wider color gamut area, wider correlated color temperature range of the mixed white light, full spectrum white light can be realized by the spectrum of the mixed white light, the quality of the mixed white light is better, the color rendering index can realize Ra being more than 95, and R9 being more than 90.
2. The RGBWLA seven-color-in-one based LED full-spectrum color mixing method as claimed in claim 1, wherein seven LED chips (3) are RGB, CLA and W, respectively, and in CIE1976 chromaticity diagram, the color gamut coverage is larger, and the white light is selected to effectively increase the brightness.
3. The RGBWCL seven-color-in-one LED full spectrum color mixing method of claim 1, which adopts a PWM dimming mode to adjust the duty ratios of R, G, B, W, C, L and an A LED chip respectively to adjust the brightness of each color, so as to realize the requirement of target color, and adjust the duty ratios and the brightness or current values of seven colors respectively.
4. The RGBWCL A seven-color-in-one LED full-spectrum color mixing method as claimed in claims 1 and 3, wherein the PWM dimming mode respectively adjusts the duty ratios of R, G, B, W, C, L and an A LED chip, namely the basic color of the target color, and the high-quality target color is obtained through the mixing mode of the lens.
5. The RGBWWCLA seven-color-in-one based LED full spectrum color mixing method as claimed in claims 1, 3 and 4, any two LED chips in the LED light source are adjusted, and the color between two colors can be mixed.
6. The RGBWCL A seven-color-in-one based LED full spectrum color mixing method as claimed in claims 1, 3 and 4, wherein any three or more LED chips in the LED light source mix three or more arbitrary colors that constitute the chromaticity space in the CIE1976 chromaticity diagram.
7. The RGBWCL A seven-color-in-one based LED full spectrum color mixing method as claimed in claims 1 and 2, wherein the seven colors are respectively: r:620-630nm, G:520-535nm, B:450-465nm, C:490-510nm, L:560-570nm, A:1750 to 1820K, W:3000K-6500K.
8. The RGBWCL A seven-color-in-one based LED full-spectrum color mixing method as claimed in claim 1, wherein each color mixing module at least comprises an LED light source, a PCB and an optical lens, and light emitted from the LED light source is mixed by light rays passing through the optical lens to reach a target color.
9. The RGBWCL LA seven-color-in-one based LED full-spectrum color mixing method as claimed in claim 1, wherein the correlated color temperature range of the white light mixed by the color mixing module is 1800-8000K, the color rendering index Ra is > 90, and R9 is > 90.
10. The RGBWCL A seven-color-in-one based LED full spectrum color mixing method as claimed in claim 1, which is inside the LED lighting device.
CN202210807613.0A 2022-07-08 2022-07-08 RGBWCL seven-color-in-one LED full-spectrum color mixing method Pending CN115190668A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202210807613.0A CN115190668A (en) 2022-07-08 2022-07-08 RGBWCL seven-color-in-one LED full-spectrum color mixing method
PCT/CN2023/101061 WO2024007848A1 (en) 2022-07-08 2023-06-19 Rgbwcla-based seven color-in-one led full-spectrum color mixing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210807613.0A CN115190668A (en) 2022-07-08 2022-07-08 RGBWCL seven-color-in-one LED full-spectrum color mixing method

Publications (1)

Publication Number Publication Date
CN115190668A true CN115190668A (en) 2022-10-14

Family

ID=83516582

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210807613.0A Pending CN115190668A (en) 2022-07-08 2022-07-08 RGBWCL seven-color-in-one LED full-spectrum color mixing method

Country Status (2)

Country Link
CN (1) CN115190668A (en)
WO (1) WO2024007848A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024007848A1 (en) * 2022-07-08 2024-01-11 上海芯龙光电科技股份有限公司 Rgbwcla-based seven color-in-one led full-spectrum color mixing method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002122794A (en) * 2000-10-13 2002-04-26 Asahi Optical Co Ltd Light source for electronic endoscope
US20080225135A1 (en) * 2005-01-31 2008-09-18 Takami Mizukura Imaging Device Element
CN101587702A (en) * 2008-05-20 2009-11-25 索尼株式会社 Display device, drive method therefor, and electronic apparatus
CN106162981A (en) * 2016-05-22 2016-11-23 上海大学 Light mixing method based on three-primary color LED
CN107038995A (en) * 2017-04-19 2017-08-11 京东方科技集团股份有限公司 A kind of white point color-complementing method, device and the display device of WOLED devices
CN112004454A (en) * 2018-04-11 2020-11-27 富士胶片株式会社 Endoscope system
CN112312122A (en) * 2020-02-12 2021-02-02 北京字节跳动网络技术有限公司 Method and device for detecting protective film of camera

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6238163B2 (en) * 2013-11-05 2017-11-29 パナソニックIpマネジメント株式会社 Lighting device and lighting fixture
TWI720893B (en) * 2020-05-19 2021-03-01 華碩電腦股份有限公司 Color-mixing lighting control method and color-mixing lighting system
CN212719507U (en) * 2020-08-06 2021-03-16 阮永杰 Seven-color solar lawn lamp
CN112584573A (en) * 2020-12-11 2021-03-30 浙江金缘光电有限公司 Seven-primary-color LED mixed light source and drive control circuit thereof
CN115190668A (en) * 2022-07-08 2022-10-14 上海芯龙光电科技股份有限公司 RGBWCL seven-color-in-one LED full-spectrum color mixing method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002122794A (en) * 2000-10-13 2002-04-26 Asahi Optical Co Ltd Light source for electronic endoscope
US20080225135A1 (en) * 2005-01-31 2008-09-18 Takami Mizukura Imaging Device Element
CN101587702A (en) * 2008-05-20 2009-11-25 索尼株式会社 Display device, drive method therefor, and electronic apparatus
CN106162981A (en) * 2016-05-22 2016-11-23 上海大学 Light mixing method based on three-primary color LED
CN107038995A (en) * 2017-04-19 2017-08-11 京东方科技集团股份有限公司 A kind of white point color-complementing method, device and the display device of WOLED devices
CN112004454A (en) * 2018-04-11 2020-11-27 富士胶片株式会社 Endoscope system
CN112312122A (en) * 2020-02-12 2021-02-02 北京字节跳动网络技术有限公司 Method and device for detecting protective film of camera

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024007848A1 (en) * 2022-07-08 2024-01-11 上海芯龙光电科技股份有限公司 Rgbwcla-based seven color-in-one led full-spectrum color mixing method

Also Published As

Publication number Publication date
WO2024007848A1 (en) 2024-01-11

Similar Documents

Publication Publication Date Title
US9786639B2 (en) Solid state light fixtures suitable for high temperature operation having separate blue-shifted-yellow/green and blue-shifted-red emitters
US7821194B2 (en) Solid state lighting devices including light mixtures
US8143777B2 (en) LED lighting unit with LEDs and phosphor materials
CN103185220B (en) Sony ericsson mobile comm ab color temperature adjusting method and the illuminator of use the method
WO2018157539A1 (en) Light emitting diode circuit having color temperature adjustment function
US20090224693A1 (en) Illumination source, illumination system, and dimming control method for the production of different colour temperatures
CN109862659B (en) Color temperature adjusting method and lamp
CN104137650A (en) Led lighting unit with color and dimming control
CN109982478B (en) Dimming Method of White Light Emitting Diode
CN117337368B (en) Light-emitting module and lighting device
CN115190668A (en) RGBWCL seven-color-in-one LED full-spectrum color mixing method
CN117062272A (en) Light source module and lamp
CN110769541B (en) White light source and lighting device
JP2007227678A (en) White lighting system using light-emitting diode
US12238840B2 (en) Lighting control method, lighting control device and lighting device
CN221570309U (en) Light source module, lighting system and lamp
JPH097774A (en) Color temperature variable light source device
CN217608008U (en) Light source module and lamp
CN208041638U (en) The lighting system of comprehensive a variety of lighting effects
CN110265386A (en) A kind of LED light of the color enhancement of adjustable color
CN115767850A (en) Method for reducing blue light hazard by using silicon-based golden yellow lamp beads
CN211743149U (en) Color temperature adjustable color enhanced LED lamp
CN210771671U (en) LED array, LED lamp and photographic lamp
US6062706A (en) Variable color fluorescent lighting
CN208605952U (en) A kind of LED light and its lamp plate

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination