Multicolor integrated LED light source for film and television light supplement

Abstract

The utility model relates to the technical field of LEDs, in particular to a multicolor integrated LED light source for film and television light supplement, which comprises a support and a plurality of CSP light sources. The support comprises a circuit substrate and a CSP light source carrier substrate, the CSP light sources are arranged on the CSP light source carrier substrate, conductive terminals are further arranged on the CSP light source carrier substrate, the circuit substrate is provided with CSP light source receding holes, conductive circuits are arranged in the circuit substrate, the circuit substrate is welded to the CSP light source carrier substrate, the CSP light sources are exposed through the receding holes, and the CSP light sources are arranged on the CSP light source carrier substrate. And each CSP light source is communicated with the conductive terminal through a conductive circuit. The five CSP light sources are combined to form the high-power LED light source, the high-power LED light source is particularly suitable for being used as a film and television light supplementing lamp, and the effects of controllable color temperature, adjustable color gamut and adjustable color quality can be achieved through current adjustment.

Description

Technical Field

[0001] The utility model relates to the technical field of LEDs, and particularly relates to an integrated multi-color LED light source for film and television fill light. Background Art

[0002] Film and television lights are a type of lighting fixtures used in stage performances and film and television shootings for lighting and achieving certain lighting effects. Currently, film and television lights actually consist of high-power flashlights and modeling lights. To achieve high power, existing film and television lights are mostly three-primary-color lights, halogen lights, or quartz lights. The existing film and television lights generally have the following technical defects: limited brightness, inability to control color temperature, adjust color gamut, adjust color quality, and poor heat dissipation effect. Content of the Utility Model

[0003] To solve the above-mentioned technical problems existing in the prior art, the utility model provides an integrated multi-color LED light source for film and television fill light, which can control color temperature, adjust color gamut, and adjust color quality through current adjustment.

[0004] The utility model adopts the following technical solutions to solve the above technical problems: An integrated multi-color LED light source for film and television fill light, characterized in that: it includes a bracket and a plurality of CSP light sources arranged on the bracket. The plurality of CSP light sources are arranged in a parallel and series circuit layout. The plurality of CSP light sources include a plurality of white-to-red CSP light sources, a plurality of white-to-green CSP light sources, a plurality of blue CSP light sources, a plurality of 2500K CSP light sources, and a plurality of 8000K CSP light sources;

[0005] The bracket includes a circuit board and a CSP light source carrier board. Each CSP light source is arranged on the CSP light source carrier board. The CSP light source carrier board is also provided with conductive terminals. The circuit board is provided with CSP light source avoidance holes. The circuit board is internally provided with conductive circuits. The circuit board is welded to the CSP light source carrier board. Each CSP light source is exposed through the avoidance hole, and each CSP light source is connected to the conductive terminal through the conductive circuit.

[0006] Optionally, the number of white-to-red CSP light sources is 240 - 312, the number of white-to-green CSP light sources is 240 - 300, the number of blue CSP light sources is 240 - 300, the number of 2500K CSP light sources is 960 - 1200, and the number of 8000K CSP light sources is 960 - 1200.

[0007] Optionally, the number of the white-to-red CSP light sources is 26 strings in parallel with 12 strings per group, and the wattage is 600 W; the number of the white-to-green CSP light sources is 26 strings in parallel with 10 strings per group, and the wattage is 600 W; the number of the blue CSP light sources is 26 strings in parallel with 10 strings per group, and the wattage is 600 W; the number of the 2500K CSP light sources is 26 strings in parallel with 40 strings per group, and the wattage is 1800 W; the number of the 8000K CSP light sources is 26 strings in parallel with 40 strings per group, and the wattage is 1800 W.

[0008] Optionally, both the circuit substrate and the CSP light source carrier substrate are made of aluminum nitride ceramics.

[0009] Compared with the prior art, the multi-color integrated LED light source for film and television fill light of the present utility model forms a high-power LED light source through a combination of five CSP light sources, and is particularly suitable for use as a film and television fill light, and can achieve controllable color temperature, adjustable color gamut, and adjustable color quality through current adjustment. Description of the Drawings

[0010] Figure 1 is a schematic structural diagram of the multi-color integrated LED light source for film and television fill light provided by the embodiment of the present utility model.

[0011] Figure 2 is a combined light landing point distribution diagram of the multi-color integrated LED light source for film and television fill light provided by the embodiment of the present utility model.

[0012] Figure 3 is a combined light spectrum distribution diagram of the multi-color integrated LED light source for film and television fill light provided by the embodiment of the present utility model.

[0013] Figure 4 is an enclosed color gamut diagram of the multi-color integrated LED light source for film and television fill light provided by the embodiment of the present utility model.

[0014] Figure 5 is a color gamut calculation result diagram of the multi-color integrated LED light source for film and television fill light provided by the embodiment of the present utility model.

[0015] Figure 6 is a spectrum diagram of the white-to-red CSP light source of the multi-color integrated LED light source for film and television fill light provided by the embodiment of the present utility model.

[0016] Figure 7 is a spectrum diagram of the white-to-green CSP light source of the multi-color integrated LED light source for film and television fill light provided by the embodiment of the present utility model.

[0017] Figure 8 is a spectrum diagram of the blue CSP light source of the multi-color integrated LED light source for film and television fill light provided by the embodiment of the present utility model.

[0018] Figure 9 It is the spectrogram of the 2500K CSP light source of the multi-color integrated LED light source for film and television fill light provided by the embodiment of the present utility model.

[0019] Figure 10 It is the spectrogram of the 8000K CSP light source of the multi-color integrated LED light source for film and television fill light provided by the embodiment of the present utility model.

[0020] Reference numerals:

[0021] 1 - Conductive terminal 2 - Circuit substrate 3 - CSP light source carrier substrate

[0022] 4 - White-to-red CSP light source 5 - White-to-green CSP light source 6 - Blue CSP light source

[0023] 7 - 2500K CSP light source 8 - 8000K CSP light source. Specific embodiments

[0024] The following combines the attached Figures 1 to 10 Make a further detailed description of the technical solution of the present utility model. It should be understood that these embodiments are only used to illustrate the present utility model and not to limit the scope of the present utility model. Although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0025] As Figure 1 As shown, the embodiment of the present utility model provides a multi-color integrated LED light source for film and television fill light, including a bracket and a plurality of CSP light sources arranged on the bracket. The plurality of CSP light sources are arranged in a parallel and series circuit manner. The plurality of CSP light sources include a plurality of white-to-red CSP light sources 4, a plurality of white-to-green CSP light sources 5, a plurality of blue CSP light sources 6, a plurality of 2500K CSP light sources 7, and a plurality of 8000K CSP light sources 8; wherein, CSP is the abbreviation of Chip Scale Package, and the Chinese name is chip-level packaging.

[0026] In this embodiment, further, the bracket includes a circuit board 2 and a CSP light source carrier board 3. Each CSP light source is disposed on the CSP light source carrier board 3. A conductive terminal 1 is further provided on the CSP light source carrier board 3. The circuit board 2 is provided with CSP light source avoidance holes. The circuit board 2 is internally provided with conductive circuits. The circuit board is welded to the CSP light source carrier board 3. Each CSP light source is exposed through the avoidance holes. Each CSP light source is connected to the conductive terminal 1 through the conductive circuits. Thus, the circuit board 2 dissipates the heat generated by the circuit, and the CSP light source carrier board 3 dissipates the heat generated by the CSP light source. This can optimize the heat dissipation of the entire LED light source, maximize the service life of the LED light source, and can effectively dissipate heat even when its luminous wattage is 5400W or above, with a long service life.

[0027] The multi-color integrated LED light source for film and television fill light in this embodiment can achieve a color temperature adjustment between 2000 - 10000K, and Duv is between -0.003 - 0.001. When the color temperature of the multi-color integrated LED light source for film and television fill light is between 2300 - 10000K, the color quality meets the following:

[0028] Ra > 95, R9 > 80;

[0029] TM-30-18, Rg > 98, Rf > 95;

[0030] Color quality index CQS > 95;

[0031] Television lighting index TLCI-2012 > 95.

[0032] Combined Figures 2 to 5 As shown, the multi-color integrated LED light source for film and television fill light in the embodiment of the present invention forms a high-power LED light source through a combination of five CSP light sources, and is particularly suitable for use as a film and television fill light, and can achieve controllable color temperature, adjustable color gamut, and adjustable color quality through current adjustment.

[0033] As can be seen from Table 1 below, the chromaticity center points of the five CSP light sources in the multi-color integrated LED light source for film and television fill light in the embodiment of the present invention satisfy:

[0034]

[0035] Continue to see Table 2 below, which is the five-color combined light color quality parameter table of the multi-color integrated LED light source for film and television fill light in the embodiment of the present invention.

[0036]

[0037]

[0038] As can be seen from Table 2 above, the light mixing data of the multi-color integrated LED light source for film and television fill light in the embodiments of the present utility model meet the following requirements:

[0039] 1. Between 2000 - 2300K, it meets the following requirements:

[0040] Ra > 90, R9 > 90, TLCI - 2012 > 90, TM - 30 - 18 Rg > 90, Rf > 98, CQS > 93, and Duv is between -0.003 - 0.001;

[0041] 2. Between 2300 - 10000K, it meets the following requirements:

[0042] Ra > 95, R9 > 85, TLCI - 2012 > 95, TM - 30 - 18 Rg > 92, Rf > 98, CQS > 93, and Duv is between -0.003 - 0.001.

[0043] In an embodiment of the present utility model, the number of the white - to - red CSP light sources 4 is 240 - 312, the number of the white - to - green CSP light sources 5 is 240 - 300, the number of the blue CSP light sources 6 is 240 - 300, the number of the 2500K CSP light sources 7 is 960 - 1200, and the number of the 8000K CSP light sources 8 is 960 - 1200. By integrally arranging the CSP light sources in this embodiment, it can achieve high - power light emission, and the light - emitting power is between 5400W and 10000W.

[0044] Preferably, the number of the white - to - red CSP light sources 4 is 26 strings in parallel with 12, and the wattage is 600W; the number of the white - to - green CSP light sources 5 is 26 strings in parallel with 10, and the wattage is 600W; the number of the blue CSP light sources 6 is 26 strings in parallel with 10, and the wattage is 600W; the number of the 2500K CSP light sources 7 is 26 strings in parallel with 40, and the wattage is 1800W; the number of the 8000K CSP light sources 8 is 26 strings in parallel with 40, and the wattage is 1800W.

[0045] Preferably, both the circuit substrate 2 and the CSP light source carrier substrate 3 are made of aluminum nitride ceramics. The substrate made of aluminum nitride ceramics has better heat dissipation effect.

[0046] In an embodiment of the present utility model, as Figure 6 shown, the white - to - red CSP light source 4 is a CSP LED light source made by exciting a red phosphor with a peak wavelength of 600 - 660nm using a wafer with a main wavelength of 450 - 460nm, and its spectrum meets the following requirements:

[0047] Blue light height 430 - 480 nm < 0.05;

[0048] The peak is between 610 - 640 nm;

[0049] The dominant wavelength is between 610 - 630 nm, and the half - wave width is between 60 - 80 nm. The white - to - red CSP light source 4 of this embodiment can improve the combined - light spectral color quality parameters of the entire LED light source.

[0050] In an embodiment of the present utility model, as Figure 7 shown, the white - to - green CSP light source 5 is a CSP LED light source made by exciting a green phosphor with a peak wavelength of 500 - 540 nm using a wafer with a dominant wavelength of 450 - 460 nm, and its spectrum meets the following requirements:

[0051] Blue light height 430 - 480 nm < 0.05;

[0052] The peak is between 510 - 540 nm;

[0053] The dominant wavelength is between 510 - 540 nm, and the half - wave width is between 30 - 80 nm; the white - to - green CSP light source 5 of this embodiment can improve the combined - light spectral color quality parameters of the entire LED light source.

[0054] In an embodiment of the present utility model, as Figure 8 shown, the blue CSP light source 6 is a CSP LED light source made by using a wafer with a dominant wavelength of 450 - 460 nm, and its spectrum meets the following requirements:

[0055] The peak is between 440 - 460 nm;

[0056] The dominant wavelength is between 445 - 465 nm, and the half - wave width is between 15 - 30 nm; the blue CSP light source 6 of this embodiment can improve the combined - light source color temperature of the entire LED light source.

[0057] In an embodiment of the present utility model, as Figure 9 shown, the 2500K CSP light source 7 is a CSP LED light source made by exciting a variety of phosphors with a peak wavelength of 500 - 660 nm using a wafer with a dominant wavelength of 450 - 460 nm, and its color quality parameters meet the following requirements:

[0058] The color temperature is between 2400 - 2600K, and Duv is between 0 - 0.008;

[0059] Ra > 98, R9 > 80, R12 > 80;

[0060] TM - 30 - 18, Rg > 98, Rf > 94;

[0061] The color quality index CQS > 94;

[0062] The television lighting index TLCI - 2012 > 95;

[0063] In an embodiment of the present utility model, as Figure 10 shown, the 8000K CSP light source 8 is a CSP LED light source made by exciting a variety of phosphors with a peak wavelength of 500 - 660nm using a wafer with a dominant wavelength of 450 - 460nm. Its color quality parameters meet the following requirements:

[0064] The color temperature is between 7500 - 8500K, and Duv is between 0 - 0.008;

[0065] Ra > 93, R9 > 80, R12 > 70;

[0066] TM - 30 - 18, Rg > 98, Rf > 90;

[0067] The color quality index CQS > 93;

[0068] The television lighting index TLCI - 2012 > 95.

[0069] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A multi-color integrated LED light source for film and television fill light, characterized in that: It includes a bracket and a plurality of CSP light sources arranged on the bracket, wherein the plurality of CSP light sources are arranged in parallel and series circuits, and the plurality of CSP light sources include a plurality of white-to-red light CSP light sources, a plurality of white-to-green light CSP light sources, a plurality of blue light CSP light sources, a plurality of 2500K CSP light sources, and a plurality of 8000K CSP light sources; The bracket includes a circuit substrate and a CSP light source carrier substrate, each of the CSP light sources is arranged on the CSP light source carrier substrate, and the CSP light source carrier substrate is also provided with a conductive terminal. The circuit substrate is provided with a CSP light source avoidance hole, and the circuit substrate has a conductive circuit built therein. The circuit substrate is welded to the CSP light source carrier substrate, and each of the CSP light sources is exposed through the avoidance hole, and each of the CSP light sources is connected to the conductive terminal through the conductive circuit.

2. The multi-color integrated LED light source for film and television fill light according to claim 1, characterized in that: The number of the white-to-red CSP light sources is 240-312, the number of the white-to-green CSP light sources is 240-300, the number of the blue CSP light sources is 240-300, the number of the 2500K CSP light sources is 960-1200, and the number of the 8000K CSP light sources is 960-1200.

3. The multi-color integrated LED light source for film and television fill light according to claim 2, characterized in that: The number of the white-to-red CSP light sources is 26 in series and 12 in parallel, with a wattage of 600W; the number of the white-to-green CSP light sources is 26 in series and 10 in parallel, with a wattage of 600W; the number of the blue CSP light sources is 26 in series and 10 in parallel, with a wattage of 600W; the number of the 2500K CSP light sources is 26 in series and 40 in parallel, with a wattage of 1800W; the number of the 8000K CSP light sources is 26 in series and 40 in parallel, with a wattage of 1800W.

4. The multi-color integrated LED light source for film and television fill light according to claim 1, characterized in that: The circuit substrate and the CSP light source carrier substrate are both made of aluminum nitride ceramics.

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