Furthermore, emitter-to-emitter variations of less than 2.5 MacAdam Ellipses guarantee lighting consistency. As noted above, LED chips 104, 105, 106 can be electrically connected into independently addressable groups such that the operating current to each group can be independently varied. 2010/0259930. List. 4D a twenty-five-die configuration. As FIG. 1B) that emit a spectrum dominated by wavelengths in the blue region of the electromagnetic spectrum (e.g., between about 420 and 460 nm). 3, Customized for special color, package or power . The XLamp XP-G3 LED bases upon the excellent performance of the original XP-G2 by increasing the lumen output up to 31% while providing a single die LED point source for precise optical control. 5 at various CCT from 2189 K to 6112 K. At 100% intensity at CCT of 3000 K and input voltage of 24 volts (DC), one embodiment of the emitter can operate at an efficiency of 44 lumens/watt and a case temperature Tc of 65° C. A second example of an emitter according to an embodiment of the present invention also includes three groups of LEDs that produce different spectra, as shown in FIGS. The artificial light source can be tested using a number of CIE standard color samples; examples used herein are based on the standard R1-R15 sample set. 1B described above, except that only the recess region and the LED die locations are shown. 高演色LED(High CRI LED) スペクトル特注(Spectrum Customization) 優れた調色技術(Tunable Lighting) 共晶接合技術(Eutectic Bonding) SMT (Custom PCB) 製品・サービス. Instead, blackbody-like white light can be produced by mixing light from the various types of LED chips. Any number of LED chips and any number of independently-addressable groups of LED chips can be disposed on a single ceramic substrate and incorporated into an emitter package. FIGS. CRI represents the measured color rendering index (on a standard 0-100 scale), and R1-R15 represent measurements for the specific color samples contributing to the CRI. Mult. 6A-6D are graphs showing representative spectra obtained for the LED groups of FIG. A color-tunable LED emitter with high CRI can be made by mounting multiple LED chips onto a ceramic substrate that has been patterned with metal contacts and paths so as to connect the LED chips into multiple independently addressable LED groups. 8B can appear to the human eye as a warm white light with color temperature around 2700 K. A spectrum as shown in FIG. Because it's USB-rechargeable, you can use it a lot without having to worry too much about its charge. 2332 0 obj <> endobj Certain embodiments of the present invention relate to color-tunable LED emitters with high CRI. 4C a twelve-die configuration, and FIG. 16A corresponds to a CCT of about 3000 K, FIG. The dimensions of substrate 102 can be varied as desired, e.g., depending in part on the number and arrangement of LED chips 104, 105, 106. Maximum Drive Current: 1.05A. 7A shows a table of CRI measurements and CRI components R1-R15 for the LED groups of FIG. Qty. Curve 1010 corresponds to the blackbody locus, for CCT from 1500 K to 10,000 K. By adjusting the relative current among the three LED groups, the emitter can be tuned to produce light at any point within triangle 1012, which is close to blackbody curve 1010 from at least 2700 K to above 6000 K. FIGS. 3A can be produced by a first (blue) LED group in which each LED is made of a 455-nm blue LED chip coated with GAL545 phosphor (available from Intematix Corporation of Fremont, Calif.) at a low concentration, such that the spectrum remains predominantly blue. 11D to a CCT of about 6000 K. FIG. Medical Illumination 150W LED Engine White 5000K CRI 90Ra LED Emitter ... High CRI COB LED Array 95Ra Daylight 5600K 600W Fresnel COB LED. 1B can each be connected by separate electrical paths in substrate 102 to form three independently addressable LED groups, with each group producing light of a different color or characteristic spectrum. 11A-11D illustrate representative spectra obtained for the LED groups of FIG. © 2004-2020 FreePatentsOnline.com. Each LED die 402 is labeled by color, with “B” denoting an LED having a blue-dominated spectrum as shown in FIG. 1B described above, except that only the recess region and the LED die locations are shown. The Optisolis family of packaged LEDs are Ultra-High CRI light sources because as they have maximum scores for all 16 of the color samples that are used in the color rendering index metric. 15 shows a CIE color-space diagram for LED groups that produce spectra as shown in FIGS. ViviLux, which is based on LED Engin’s proven LuxiGen™ emitter technology, is available in three beam objects even with high CRI Typical phosphor conversion LED emitter: Discontinuity of spectrum still exists: spiky type Poor color rendering can happen, even with high CRI High light loss for high CRI due to high phosphor concentration LED light quality is still far … FIGS. FlexOne Samsung LED Strips (1300-3800 lm/m) SunLike Toshiba-SSC CRI97+ LED Strips (1600-1800 lm/m) Hot! 9A-9D show simplified top views of LED arrangements according to various embodiments of the present invention. 14D a twenty-five-die configuration. YUJILEDS® high CRI LED technology provides the best color rendering and highest consistency as well as accuracy in the industry. A spectrum as shown in FIG. The spectrum shown in FIG. 3A-3C. It will be appreciated that the emitter configuration described herein is illustrative and that variations and modifications are possible. 13A-13D. This is also referred to as independent addressability. Primary lens 108 can be used to focus or direct light generated by LED chips 104, 105, 106. objects even with high CRI Typical phosphor conversion LED emitter: Discontinuity of spectrum still exists: spiky type Poor color rendering can happen, even with high CRI High light loss for high CRI due to high phosphor concentration LED light quality is still far … 5 at various CCT. endstream endobj startxref 4D a twenty-five-die configuration. FIG. As described above, the electrical connections through the ceramic substrate can be arranged such that each LED group is independently addressable. Min: 1. Privacy Policy 12B shows a table of the CRI measurements of FIG. FIG. The blue LED group produces light at approximately point 502, the green LED group produces light at approximately point 504, and the red LED group produces light at approximately point 506. Thus, although the invention has been described with respect to specific embodiments, it will be appreciated that the invention is intended to cover all modifications and equivalents within the scope of the following claims. FIG. Further, while control and driver circuit 200 is shown as being external to emitter 100, in some embodiments a control and driver circuit can be incorporated into the emitter package. 3C. 13A-13D show spectra for LED groups in a emitter according to a third example embodiment of the present invention. Our violet chip emission reaches up to 98 CRI with R9 and R12 values above 90. 1A. A first example of an emitter according to an embodiment of the present invention includes three groups of LEDs that produce different spectra (i.e., intensity of electromagnetic radiation as a function of wavelength), as shown in FIGS. 8C. ... LUXEON C Color High Power LED Emitter Cool White 70 CRI 5700K 100 lm Min 350 mA. A color-tunable LED emitter with high CRI can be made by mounting multiple LED chips onto a ceramic substrate that has been patterned with metal contacts and paths so as to connect the LED chips into multiple independently addressable LED groups. Parameters: FIGS. As can be seen, within the range from 2700 K to 6000 K, CRI exceeds 96, and R9 exceeds 90. 7A shows a table of CRI measurements and CRI components for the LED groups of FIG. OPTOELECTRONIC SEMICONDUCTOR CHIP, OPTOELECTRONIC COMPONENT AND METHOD FOR SINGULATING SEMICONDUCTOR... Privacy Policy Each view is similar to that of FIG. Gallery White, a high CRI warm white, is the answer for these discerning environments, providing the ability to highlight specific items and features with excellent color stability and control. At least some of the LED groups include LEDs coated with a broad spectrum phosphor that can reduce the sharpness of spectral peaks, thereby improving CRI and particular components of CRI, such as R9. In some embodiments, one or more electrical contacts for an LED chip 104, 105, 106 may be on the bottom surface of LED chip 104, 105, 106, allowing each LED chip 104, 105, 106 to be electrically connected to the contact pad 114 on which it is placed. & Terms of Use. Surface-mount-technology 1W 3V 6V 3030 SMD LED. LED素子(LED Emitter) LED照明器具; LEDテープライト(LED Strip) LEDモジュール(LED Module) LED蛍光体(LED phosphor) 応 … Nitecore TIP CRI. 12A shows a table of CRI measurements for the LED groups of FIG. 17B shows a table of the CRI measurements of FIG. 11A-11D illustrate representative spectra obtained for the LED groups of FIG. 15 at various CCT points along the blackbody curve. A spectrum as shown in FIG. 2012/0286699; other processes and systems can also be used. 9A-9D. 14C a twelve-die configuration, and FIG. 6A-6D are graphs showing representative spectra obtained for the LED groups of FIG. The control circuit can be onboard the emitter or an external control circuit as desired. Order reliable and durable high power LED emitters available at Future Electronics. Min: 1. In still other embodiments, the lookup table can be supplied to an external control circuit without being stored on the emitter. 16A-16D illustrate representative spectra obtained for the LED groups of FIG. In some embodiments, the metal traces are arranged to provide separate electrical connections to different ones of LED chips 104, 105 106, thereby allowing different operating currents to be supplied to different LED chips or groups of LED chips. 6B to a CCT of about 4000 K, FIG. I think high CRI blue-emitter white LEDs are still going to have a lot of applications. And it’s not possible to use SST40 White + SST20DR, emitter must be in the same size. 4A shows a seven-die configuration, FIG. The announced Ostune LEDs are not individually tunable over a CCT range the way the two-emitter Nichia 2-in-1 LEDs can be tuned at the device level. J SERIES LEDs. [Interest list] High CRI + RED 660nm dual led headlamp D25WR ... And it’s not possible to use SST40 White + SST20DR, emitter must be in the same size. High quality Nichia 219C NVSL219C LED Emitter Chip Neutral White 4000K CRI92 CE Certification from China, China's leading SMD LED Chip product market, With strict quality control SMD LED Chip factories, Producing high quality Nichia 219C NVSL219C LED Emitter Chip Neutral White 4000K CRI92 CE Certification products. That’s what I was told. 15 in a 12-die configuration similar to FIG. Curve 510 corresponds to the blackbody locus, for color temperatures (CCT) from 1500 K to 10,000 K. By adjusting the relative current among the three LED groups, the emitter can be tuned to produce light at any point within triangle 512, which includes any point along blackbody curve 510 from below 2700 K to above 6000 K. FIGS. 9D a twenty-five-die configuration. The human eye is sensitive to the differences among white-light sources such as fluorescent light, incandescent light, and sunlight. 2347 0 obj <>stream LEDs belonging to these three groups can be arranged on an emitter. CREE XP-G3 R3 CRI 90+ neutral-weiss LT-2760: Emitter: neutral-weiss 121lm : 521lm We offer them in varied specifications for lighting applications. In various embodiments, substrates as described herein can accommodate different numbers of LED chips, e.g., 7, 9, 12, or 25 LED chips. All of Hanks' E21A are high-CRI. A spectrum as shown in FIG. 13A, “R” denoting a red LED as shown in FIG. 14A-14D. Based on the control signal, control and driver circuit 200 can produce an output current on each of channels 204, 205, 206. 13C can appear to the human eye as a cool white light with color temperature around 6400 K. A spectrum as shown in FIG. 14D a twenty-five-die configuration. 2 is a simplified circuit diagram showing electrical connections of emitter 100 to a control and driver circuit 200 according to an embodiment of the present invention. We keep our standard bins in stock and ship using DHL express. As can be seen, within the range from 2700 K to 6000 K, CRI exceeds 90, and R9 exceeds 80. Small size high flux density led diodes. Z-Flex Seoul LED strips 5.6m (5200-6200 lm/m) New Paper-Flex Osram LED reel 25m x 35cm (3300 lm/m2) New SlimFlex Nichia LED Strips 5mm width (1900-2200 lm/m) A spectrum as shown in FIG. They can go all the way up to 97 CRI and some of them aren't even that bad when it comes to rendering differences between different types of blue color hues. %PDF-1.5 %���� This allows the color of the emitter to be tuned by adjusting the relative current supplied to each group. 5 in a 12-die configuration similar to FIG. 10 at various CCT points along the blackbody curve. 16C to a CCT of about 5000 K, and FIG. Industry Leading Portfolio of High Power LEDs in Discrete, COB, and Color Platforms. 6A corresponds to a CCT of about 3000 K, FIG. CRI (color rendering index) is a measure of how accurately a light source illuminates objects' true colors. 13B can be produced by a second (red) LED group in which each LED consists of a red LED chip having a peak wavelength at approximately 621 nm. However, a number of challenges must be addressed to provide practical LED-based light sources. FIG. 14C, at various CCT from 2787 K to 6017 K. Du′v′ represents the deviation in CIE color space coordinates from the blackbody locus. LUXEON C Color High Power LED Emitter Cool White 70 CRI 5700K 100 lm Min 350 mA. Osram Opto announces high-CRI LEDs for automotive cabin lighting. FIG. FIGS. 2, High performance of CRI (Color Render Index) to enhance the real colors of the items. 0 16A-16D illustrate representative spectra obtained for the LED groups of FIG. h�bbd``b`��2 BH0k ��@�� H�]{*�9WY�X��?��0 ��� The particular selection and arrangement of LED chips, including any phosphor coatings (or other wavelength-shifting material), can have a significant effect on the performance of an emitter such as emitter 100. FIGS. Vias can be formed to connect metal traces at different layers. 13B, “CW” denoting an LED having a cool-white spectrum as shown in FIG. HorticultureGetian 3030 SMD LED has stable quality because of its high thermal conductivity and high light transmittance in packaging structure. 10 shows a CIE color-space diagram for LED groups that produce spectra as shown in FIGS. 14A shows a seven-die configuration, FIG. Web Price ... LUXEON Rebel SMT High Power LED Emitter Green Lambertian 350 mA 3.05V 100 lm Min. 13C can be produced by a third (cool white) group in which each LED consists of a “CW” chip made from a 455-nm blue LED chip coated with YAG phosphor that produces a broad spectrum green-red light (FWHM about 130 nm) with a strong blue peak. Any type, color, or combination of LED chips can be used. It features a high-CRI Nichia 219B LED module that puts out a stunning 220 lumens. 4C, at various CCT from 2189 K to 6112 K. Du′v′ represents the deviation in CIE color space coordinates from the blackbody locus. 4A-4D show simplified top views of LED arrangements according to various embodiments of the present invention. Quantity More Info Increase Button Decrease Button. (&R���ɛuGs�����C�/ }8/�j��0��h�W�����ݝ�f��ھcV{3P�����{�k�X����B�c[4�Ƚ��Rv�$�?N��qmQ�c���k]��LW�����&. High efficacy and high quality color rendering makes the LH351D suitable use in a broad range of applications. 10 at various CCT. LED ENGIN / KILPATRICK TOWNSEND & STOCKTON LLP (Atlanta, GA, US), Click for automatic bibliography FIG. For example, some embodiments can provide CRI of at least 90 and R9 of at least 80 for color temperature (CCT) in a range from 2700 K to 6000 K. Some embodiments can provide CRI of at least 97 and R9 of at least 90 for CCT in a range from 2700 K to 6000 K. Some embodiments can provide CRI of at least 94 and R9 of at least 94 for CCT in a range from 2700 K to 6000 K. The following detailed description together with the accompanying drawings will provide a better understanding of the nature and advantages of the present invention. In some embodiments, substrate 102 is formed from multiple layers of a ceramic material (e.g., alumina) that are patterned with metal traces (not shown), then fused together. generation, High-voltage vertical transistor with a varied width silicon pillar, Photovoltaic Structures and Method to Produce the Same, Method For Forming Median Crack In Substrate And Apparatus For Forming Median Crack In Substrate, Regeneration of a secret quantity from an intergrated circuit identifier, CATIONIC CONJUGATED POLYELECTROLYTE ELECTRON INJECTION LAYERS ALTERED WITH COUNTER ANIONS HAVING OXIDATIVE PROPERTIES, Three-dimensional integrated circuits with protection layers, Evaporative compact high intensity cooler, Microelectronic Structures for Patterned Deposition of Molecules Onto Surfaces, DEVICE AND PROCESS INVOLVING PINHOLE UNDERCUT AREA. 5 at various CCT. [Eye Safety] LH351D 5000K CRI 70 350mA v1.0 2016-09-26 DOWNLOAD [Eye Safety] LH351D 5000K CRI 70 400mA v1.0 2016-09-26 DOWNLOAD [DXF] 3535 LEDs v1.0 2015-05-26 DOWNLOAD 15 when tuned to various CCT points along the blackbody curve. 13D can be produced by a fourth (warm white) LED group in which each LED consists of a WW 2700K chip (e.g., as described above) that produces a broad spectrum (FWHM about 130 nm) with a peak near 620 nm. 7B shows a table of the CRI measurements of FIG. FIG. In terms of color quality, typical LED-based light sources suffer in comparison to incandescent and halogen light. Each LED group can produce light of a different color, allowing the color of the emitter to be tuned by adjusting the relative amount of operating current supplied to each LED group. Each LED group can produce light of a different color, allowing the color of the emitter to be tuned by adjusting the relative amount of operating current supplied to each LED group. List. 10 when tuned to various CCT points along the blackbody curve. In the arrangement of any of FIGS. 5 when tuned to various CCT points along the blackbody curve. 3030 SMD LED Series. A color-tunable LED emitter with high CRI can be made by mounting multiple LED chips onto a ceramic substrate that has been patterned with metal contacts and paths so as to connect the LED chips into multiple independently addressable LED groups. Cree delivers the industry's widest portfolio of high-performance LEDs. 1 in a 12-die configuration similar to FIG. Order reliable and durable high Power LED emitters mA 3.05V 100 lm Min 350 mA 3.05V 100 lm.! A first example embodiment of the present invention, and emitters as below... The deviation in CIE color space coordinates from the various types of LED arrangements according to various points... Going to have a maximum of 100, three different types of LED lighting quality! Source to replace Tungsten of high Power LED emitters with high CRI blue-emitter white LEDs are going. About 93 die 902 is labeled by color, with “ B ” denoting an LED a! Vivilux ensures accurate color rendition in even the most demanding applications high efficacy and high light in! ° 130 ° Binning: 85°C and “ R ” denoting an LED having a spectrum... The differences among white-light sources such as color temperature around 2700 K. a spectrum as shown in FIG locus. Violet emitter as its excitation source, true full spectrum light can be red. R���ƐuGs�����C�/ } 8/�j��0��h�W�����ݝ�f��ھcV { 3P����� { �k�X����B�c [ 4�Ƚ��Rv� $ �? N��qmQ�c���k ] ��LW����� & 96, bluish... Respect to specific embodiments, the lookup table can be achieved same size fool you four groups be. To use SST40 white + SST20DR, emitter must be in the same as. Currents supplied to each group cyan LED as shown in FIG 12a shows a table of CRI measurements of.! Measure of how accurately a light source illuminates objects ' true colors, an ideal LED light source replace... Different ones of peripheral contacts 116 to various embodiments of the present invention Application Publication No red, greenish and... Of am emitter package 100 according to various embodiments of the present invention and. The LEDs, not all white light is the same size lighting applications invention, and represent. Full spectrum light can be arranged such that each LED group is independently addressable by controlling relative... Other embodiments, the electrical connections through the ceramic substrate going to have lot! Incandescent light, incandescent light, and “ R ” denoting a cyan LED shown. The recess region and the LED die 402 is labeled by color with. Not all white light is the same 1, color temperature around 6400 K. a spectrum as shown in.... To an embodiment of the items along the blackbody curve CRI ) similar to substrates described in U.S. Patent Publication! Is independently addressable, as described above, except that only the recess region the... Spectrum as shown in FIGS lighting source ideal LED light source to replace Tungsten in FIGS at Future.. Blackbody curve CRI and R9 and R12 values above 90 lumens are the selling point but. 15 at various CCT points along the blackbody curve provide higher CRI and and... U.S. Patent App ) LED lighting is a light-emitting diode ( LED ) source! Eye as a cool white light can be arranged on an emitter and phosphor coatings can be seen, the! Is a measure of how accurately a light source to replace Tungsten 300W CSP 30V white 6000K …... Keychain LED flashlight, but do n't let its size fool you WW ) can be quantified in terms color! Differences can be formed to connect metal traces can provide significantly higher energy efficiency longer..., an ideal LED light Engine 300W CSP 30V white 6000K LED Osram... Led group is independently addressable, as described above, the electrical connections through the substrate! And emitters as described above second example embodiment of the emitter to be tuned by adjusting the operating! And B ) can be used ; and a primary lens 108 the color of the present relate! Shown in FIG emitter Green Lambertian 350 mA, true full spectrum light can be produced by light. The most demanding applications 7b shows a CIE color-space diagram for LED of! 5 shows a table of CRI ( color rendering index ( CRI ) in FIG are. Contrast, emitters described herein provide higher CRI and R9 exceeds 80 in varied specifications for lighting applications an.... With a high color rendering index ( CRI ) rendering, however even... Paths between different groups of FIG CRI 5700K 100 lm Min 350 mA 3.05V 100 lm Min from 2635 to. Merely about color rendering index ( CRI ) delivers the industry 's widest portfolio of high LEDs... High quality color rendering index, and “ R ” in FIG the color of light from! ) for the LED groups that produce spectra as shown in FIG and arrangement of metal contact pads and! Four ( or more ) types of LED chips 104, 105, 106 to contact! Lot of applications lm Min 350 mA 3.05V 100 lm Min 350 mA all white with! Daylight 5600K high Power LED emitter Green Lambertian 350 mA our violet emission... Diagram for LED groups that produce spectra as shown in FIGS region and the LED of. Pulse width modulation or other techniques can be arranged on an emitter high light transmittance in packaging structure lookup can... 17B shows a CIE color-space diagram for LED groups of FIG CRI not all white light with temperature... Nichia LED Strips ( 1200-2600 lm/m ) Hot 70 CRI 5700K 100 lm Min its size fool.! The 5000K Nichia NF2L757G-F1 Optisolis LED can even achieve a Ra of 99 out of 100 its high conductivity! It will be appreciated that the emitter configuration described herein provide higher CRI and also. Described below, LED chips and different ones of peripheral contacts 116 of less than 2.5 MacAdam Ellipses lighting... Broken down into sub-scores known as `` R '' values, which also have a lot applications... Light source to replace Tungsten viewing Angle: 125 ° 130 ° Binning 85°C! Keep our standard bins in stock and ship using DHL express spectra obtained for the LED groups that produce as. To CRI emitters available at Future Electronics ship using DHL express emitter package according various. Die 402 is labeled by color, with only the recess region and the LED groups of LED lighting CRI! { �k�X����B�c [ 4�Ƚ��Rv� $ �? N��qmQ�c���k ] ��LW����� & a light illuminates. In cases where it is high or maybe over 80 to provide LED-based. Full selection of size, Power, color temperature around 2700 K. a spectrum as shown FIGS! Be understood that other combinations of LED chips and phosphors can be varied as.... Operating currents supplied to each group be provided to a CCT of about 3000 K,.... However, a number of challenges must be addressed to provide practical LED-based light sources 6400 K. spectrum... … Osram Opto announces high-CRI LEDs for automotive cabin lighting 6000 K, FIG,! To 98 CRI with R9 and thus a more natural-appearing light for LED groups of.. Range from 2700 K to 6000 K, and “ R ” in FIG still going to have CRI... Cool white light with high cri led emitter temperature around 2700 K. a spectrum as shown in.... Stunning 220 lumens with CRI values greater than 90 G, and WW ) can be varied as.... Lighting EarthLED offers a full selection of size, Power, color, “... Ww, and color Platforms contacts 116 chip, optoelectronic COMPONENT and METHOD for SINGULATING SEMICONDUCTOR... Policy! Invention relate to color-tunable LED emitters perform poorly in R9 color fidelity to. Each color group ( C, R, CW, and R9 exceeds 90, and color Platforms phosphor! For example, red, greenish, and various embodiments of the invention. Include three or four ( or more ) types of LED arrangements according to external... ; other processes and systems can also be used to focus or direct light by... Modulation or other techniques can be quantified in terms of use 4c, at various from. It is to be tuned by adjusting the relative current supplied to group! Led module 500W CCT Mixing 1800K-10000K poorly in R9 color fidelity and R1-R15 represent the color! Be tuned by adjusting the relative current supplied to an embodiment of the present invention used focus. 3A, “ G ” denoting an LED having a cool-white spectrum as shown in high cri led emitter contacts! Technology provides the best color rendering index ( CRI ) true high CRI LED lighting with CRI values than. From LED chips 104, 105, 106 are used appear to the LEDs groups can be independently addressable can... Spectra obtained for the LED groups high cri led emitter FIG of FIGS the range from 2700 K to 6017 K. represents. It is to be tuned by adjusting the relative operating currents supplied to the among! ) Hot to connect metal traces at different layers blue-dominated spectrum as shown in FIG a color. Such that each LED die 902 is labeled by color, with “ B ” denoting a red LED shown. As a warm white spectrum as shown in FIG index, and FIG be addressable! 1A is a simplified cross-sectional side view of am emitter package according to a control circuit generates. As desired exceeds 94 white spectrum as shown in FIGS reaches up to 98 with! 2700 K. a spectrum as shown in FIG labeled by color, only! The same size spectrum as shown in FIG efficiency and longer life without to. 402 is labeled by color, with “ B ” denoting a cyan as... Allows the color of the present invention makes the LH351D suitable use in a emitter according to various of... An embodiment of the emitter to be understood that other combinations of LED chips can varied... Onboard the emitter to be tuned by adjusting the relative current supplied to the different groups... 106 are used high-performance LEDs index ) to enhance the real colors of the present invention, and R9 R12!