LED lamp bead and LED for RGBWW single bowl cup

Abstract

The present application relates to an RGBWW single-bowl cup LED lamp bead and LED. The RGBWW single-bowl cup LED lamp bead includes a single-bowl cup bracket, a first chip, a second chip, a third chip, a fourth chip and a fifth chip. The first chip, the second chip and the third chip respectively realize the emission of red, green and blue colors based on the different light wavelengths of the chips themselves; the surface of the fourth chip is provided with a first phosphor coating, and the surface of the fifth chip is provided with a second phosphor coating. The fourth chip and the fifth chip are based on the blue light of the chip itself to stimulate the phosphor to emit white light; the first chip, the second chip, the third chip, the fourth chip and the fifth chip are all arranged on the single-bowl cup bracket. The present application arranges five chips on the same single-bowl cup bracket. When the chips are activated to emit light at the same time, the light-emitting apertures of all the chips are complete circles, the five colors have a good light mixing effect, and no polarization occurs.

Description

Technical Field

[0001] The present application relates to the field of LED lighting, and more particularly to an RGBWW single bowl cup LED lamp bead and LED. Background Art

[0002] RGBWW lamp beads refer to an LED lamp bead that realizes five color combinations, including red, green, blue and double white, to achieve five-color mixed light.

[0003] At present, RGBWW is achieved by setting three cups in the same lamp bead on the LED bracket, two of which are dotted with different phosphors to achieve color temperature luminescence, and the other cup is fixed with RGB chip to achieve RGB mixed light, thus achieving five-color luminescence. However, the light mixing effect of this technology is poor, especially for lens products, the mixed light of white light will have polarization phenomenon.

[0004] Regarding the above-mentioned related technologies, there are problems with the RGBWW lamp beads, such as poor light mixing effect and polarization. Summary of the invention

[0005] In order to improve the light mixing effect of RGBWW lamp beads and eliminate the polarization phenomenon, the present application provides an RGBWW single bowl cup LED lamp bead and LED.

[0006] The present application provides an RGBWW single bowl cup LED lamp bead, which adopts the following technical solution:

[0007] An RGBWW single-cup LED lamp bead comprises a single-cup bracket, a first chip, a second chip, a third chip, a fourth chip and a fifth chip;

[0008] The first chip, the second chip and the third chip respectively realize red, green and blue light emission based on different light wavelengths of the chips themselves;

[0009] The surface of the fourth chip is provided with a first phosphor coating, the surface of the fifth chip is provided with a second phosphor coating, and the fourth chip and the fifth chip excite the phosphors to emit white light based on the blue light of the chips themselves;

[0010] The first chip, the second chip, the third chip, the fourth chip and the fifth chip are all arranged on the single bowl cup support.

[0011] By adopting the above technical solution, five chips are set on the same single bowl cup bracket. When the chips are activated to emit light at the same time, the light spots of all the chips are complete circles, and the five colors have a good mixed light effect. There will be no phenomenon of one side being white and the other half being yellowish, especially when a lens is installed on the lamp bead, there will be no polarization. In addition, the lamp bead of the present application only needs a single bowl cup bracket. Compared with the lamp bead that requires three bowl cup brackets, the lamp bead of the present application can be designed to be smaller in size, which is convenient for the miniaturization of the lamp bead. The five chips are connected in parallel on the same circuit. When the input voltage remains unchanged, the chip has greater power and a stronger luminous effect.

[0012] Preferably, the ratio of phosphors in the first phosphor coating layer and the second phosphor coating layer is inconsistent, so as to realize white light emission with different color temperatures.

[0013] By adopting the above technical solution and setting different proportions of phosphors, when the fourth chip and the fifth chip excite the phosphors to emit white light, different color temperatures will be presented to achieve the emission of cold white light and warm white light, making the mixed light effect richer.

[0014] Preferably, the outermost layers of the surfaces of the first chip, the second chip, the third chip, the fourth chip and the fifth chip are all provided with a transparent adhesive coating.

[0015] By adopting the above technical solution, the transparent adhesive coating is used as the packaging adhesive of the chip to fix the chip on the single bowl cup bracket, which can protect the chip from corrosion such as moisture and dust, and prevent the chip from falling off or poor contact due to vibration, thereby improving the service life and reliability of the chip.

[0016] Preferably, the lamp bead further includes a wire for supplying power to the first chip, the second chip, the third chip, the fourth chip and the fifth chip, so as to activate the aforementioned five chips to emit light.

[0017] By adopting the above technical solution, each chip has a wire that connects the circuit separately, so that the chip can be individually controlled to emit light, so as to realize the transformation between different luminous colors and the free mixing combination between different colors, so that the lamp beads have rich luminous colors.

[0018] Preferably, the fourth chip and the fifth chip are arranged adjacent to each other.

[0019] Preferably, the fourth chip and the fifth chip are arranged between any two of the first chip, the second chip and the third chip.

[0020] By adopting the above technical solution, two white light emitting chips are placed side by side between the chips of the other three colors, so that when the chips of the five colors are lit up at the same time, the best mixed light effect can be achieved.

[0021] Preferably, the first phosphor coating layer and the second phosphor coating layer are arranged on the surface of the fourth chip and the fifth chip by any one of a phosphor glue application process, a phosphor film application process or a phosphor powder spraying process.

[0022] The present application also discloses an LED, which uses the RGBWW single-bowl LED lamp bead in any of the above technical solutions, so that the LED has a good lighting effect.

[0023] In summary, the technical solution of the embodiment of the present application includes at least one of the following beneficial technical effects:

[0024] 1. Set the five chips on the same single bowl cup holder. When the chips are activated to emit light at the same time, the light apertures of all the chips are complete circles. The five colors have a good light mixing effect. There will be no phenomenon of one half being white and the other half being yellow. Especially when a lens is installed on the lamp bead, there will be no polarization, and the lamp bead will have a smaller size and the chip will have a greater luminous power.

[0025] 2. The transparent adhesive coating is used as the chip encapsulation adhesive to improve the service life and reliability of the chip;

[0026] 3. Two white light emitting chips are placed side by side between the other three color chips, so that when the five color chips are lit up at the same time, the best mixed light effect can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 Draw a schematic diagram of the structure of the RGBWW lamp bead.

[0028] Figure numerals: 10, single bowl cup holder; 20, first chip; 30, second chip; 40, third chip; 50, fourth chip; 51, first phosphor coating; 60, fifth chip; 61, second phosphor coating; 70, wire. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments for understanding the concept of the present application, and cannot represent all the embodiments, nor are they interpreted as the only embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field on the premise of understanding the concept of the present application are within the scope of protection of the present application.

[0030] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) in the embodiments of the present application, the directional indications are only used to explain the relative position relationship and movement of the components in a certain posture. If the specific posture changes, the directional indications will also change accordingly. In order to facilitate the understanding of the technical solution of the present application, the LED lamp beads and LEDs of a RGBWW single bowl cup of the present application are further described and explained below, but they are not limited to the scope of protection of the present application.

[0031] Reference Figure 1 The embodiment of the present application discloses an RGBWW single bowl cup LED lamp bead, which includes a single bowl cup bracket 10, a first chip 20, a second chip 30, a third chip 40, a fourth chip 50 and a fifth chip 60. The first chip 20, the second chip 30, the third chip 40, the fourth chip 50 and the fifth chip 60 are all arranged on the single bowl cup bracket 10.

[0032] The first chip 20 is a red light chip, the second chip 30 is a green light chip, and the third chip 40 is a blue light chip. When powered on, the first chip 20, the second chip 30 and the third chip 40 can emit light of different colors based on the different light waves of the chips themselves.

[0033] The fourth chip 50 and the fifth chip 60 are blue light chips. A first phosphor coating 51 is provided on the surface of the fourth chip 50, and a second phosphor coating 61 is provided on the surface of the fifth chip 60. The fourth chip 50 and the fifth chip 60 emit blue light when powered on, and the blue light excites the phosphor on the surface of the chip to emit white light. Therefore, the fourth chip 50 and the fifth chip 60 finally present a white light emitting state.

[0034] The first phosphor coating 51 and the second phosphor coating 61 have different phosphor ratios, so that the white light emitted by the fourth chip 50 and the fifth chip 60 present different color temperatures, thereby achieving the effects of cold white light and warm white light.

[0035] The outermost layers of the surfaces of the first chip 20, the second chip 30, the third chip 40, the fourth chip 50 and the fifth chip 60 are all provided with a transparent adhesive coating, which is a packaging adhesive to fix the above five chips on the single bowl cup holder 10. The transparent adhesive coating has a high refractive index and a high light transmittance, which can increase the flux of light and make the light emitted by the chip visible at more angles. In addition, the transparent adhesive coating can protect the chip from corrosion such as moisture and dust, and prevent the chip from falling off or poor contact due to vibration, thereby improving the service life and reliability of the chip. When the coating thickness, phosphor ratio, etc. of the first phosphor coating 51, the second phosphor coating 61 and the transparent adhesive coating are adjusted to the optimal ratio, the lamp bead has the best optical effect.

[0036] The RGBWW single bowl cup LED lamp bead also includes a plurality of wires 70, which are used to connect the first chip 20, the second chip 30, the third chip 40, the fourth chip 50 and the fifth chip 60 to the circuit of the single bowl cup bracket 10 respectively, so that the above five chips are connected in parallel on the same circuit. Through the output control of the single chip microcomputer, different chips can be activated and illuminated separately, or different color chips can be illuminated simultaneously to present mixed light between different colors, so that the light emission of the RGBWW single bowl cup LED lamp bead is more colorful.

[0037] In addition, the chips of the three-cup lamp beads are first partially connected in parallel and then connected in parallel as a whole to the same circuit, and the chips of the RGBWW single-cup LED lamp beads are connected in parallel to the same circuit separately. Under the same power supply voltage, the chips of the RGBWW single-cup LED lamp beads have greater power and stronger luminous effect than the chips of the three-cup lamp beads. The RGBWW single-cup LED lamp beads only use one single-cup bracket 10, which reduces the space of two bowl-cup brackets compared to the lamp beads using three bowl-cup brackets, so that the RGBWW single-cup LED lamp beads have a smaller volume and can achieve small-size packaging, which is conducive to the miniaturization of the lamp beads, making the lamp beads smaller in size but with a stronger luminous effect.

[0038] The fourth chip 50 and the fifth chip 60 are arranged adjacent to each other, and the fourth chip 50 and the fifth chip 60 are arranged between any two of the first chip 20, the second chip 30 and the third chip 40, so that when the five color chips are lit up at the same time, the best light mixing effect can be achieved, and there will be no phenomenon that one side is white and the other half is yellowish, especially when a lens is installed on the LED lamp bead of the RGBWW single bowl cup, no polarization will occur.

[0039] Preferably, the first phosphor coating 51 and the second phosphor coating 61 are arranged on the surface of the fourth chip 50 and the fifth chip 60 by any one of the processes of applying phosphor glue, sticking phosphor film or spraying phosphor, so as to achieve consistent light spot shape when each color is illuminated, without single light spot, and good mixed light effect.

[0040] The implementation principle of the embodiment of the present application is as follows: the first chip 20, the second chip 30, the third chip 40, the fourth chip 50 and the fifth chip 60 are integrated and arranged on the same single bowl cup holder 10, the first phosphor coating 51 and the second phosphor coating 61 with different phosphor ratios are respectively applied on the fourth chip 50 and the fifth chip 60, and the transparent adhesive coating is applied on the outermost layer of the surface of the above five chips to encapsulate the five chips. The five chips are respectively connected to the single bowl cup holder 10 with wires 70. When powered on, the first chip 20 emits red light, the second chip 30 emits green light, the third chip 40 emits blue light, and the fourth chip 50 and the fifth chip 60 emit white light of different color temperatures, with good light mixing effect and no polarization.

[0041] The embodiment of the present application discloses an LED, which uses the RGBWW single-bowl LED lamp bead in any of the above technical solutions, so that the LED has a good lighting effect.

[0042] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An RGBWW single bowl LED lamp bead, characterized in that: include: A single cup holder (10), and a first chip (20), a second chip (30), a third chip (40), a fourth chip (50), and a fifth chip (60) all arranged on the single cup holder (10); The first chip (20) is a red light chip, the second chip (30) is a green light chip, and the third chip (40) is a blue light chip; the first chip (20), the second chip (30) and the third chip (40) respectively realize red, green and blue light emission based on the different light wavelengths of the chips themselves; The fourth chip (50) and the fifth chip (60) are blue light chips; a first phosphor coating (51) is provided on the surface of the fourth chip (50); a second phosphor coating (61) is provided on the surface of the fifth chip (60); the fourth chip (50) and the fifth chip (60) use the blue light of the chip itself to excite the phosphor to emit white light; the phosphor ratios in the first phosphor coating (51) and the second phosphor coating (61) are inconsistent, so as to achieve white light emission with different color temperatures; The fourth chip (50) and the fifth chip (60) are arranged adjacent to each other; the fourth chip (50) and the fifth chip (60) are arranged between any two of the first chip (20), the second chip (30) and the third chip (40), and are arranged in GWWRB; the chips of five colors are lit up at the same time to achieve a mixed light effect, and a lens is installed on the LED lamp bead of the RGBWW single bowl cup; When the chips are activated to emit light at the same time, the light spots emitted by all the chips are complete circles; the light spots of each color are consistent in shape when emitting light; the outermost layers of the surfaces of the first chip (20), the second chip (30), the third chip (40), the fourth chip (50) and the fifth chip (60) are all provided with a transparent adhesive coating, and the transparent adhesive coating is a packaging adhesive to fix the five chips on the single bowl cup holder (10).

2. The LED lamp bead of the RGBWW single bowl cup according to claim 1, characterized in that: It also includes a wire (70) for supplying power to the first chip (20), the second chip (30), the third chip (40), the fourth chip (50) and the fifth chip (60), so as to activate the five chips to emit light.

3. The LED lamp bead of the RGBWW single bowl cup according to claim 1, characterized in that: The first phosphor coating (51) and the second phosphor coating (61) are arranged on the surface of the fourth chip (50) and the fifth chip (60) by means of a phosphor glue dispensing process.

4. The LED lamp bead of the RGBWW single bowl cup according to claim 1, characterized in that: The first phosphor coating (51) and the second phosphor coating (61) are arranged on the surface of the fourth chip (50) and the fifth chip (60) by means of a phosphor film sticking process or a phosphor spraying process.

5. An LED lighting device, using the RGBWW single bowl cup LED lamp bead as described in any one of claims 1-4.

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