CN212390121U

CN212390121U - Full-spectrum lamp

Info

Publication number: CN212390121U
Application number: CN202020470251.7U
Authority: CN
Inventors: 陈琰表; 林立平
Original assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Current assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2021-01-22
Anticipated expiration: 2030-04-02

Abstract

The utility model provides a full spectrum lamp, including circuit board, first light emitting component and second light emitting component, first light emitting component includes the first blue light LED chip that is used for launching the blue light and locates on the first blue light LED chip and is doped with the first optical conversion layer of yellow phosphor powder, the second light emitting component includes the second blue light LED chip that is used for launching the blue light and locates on the second blue light LED chip and is doped with the second optical conversion layer of yellow phosphor powder, the peak wavelength of the blue light that first blue light LED chip sent is 425 nm-435 nm, the peak wavelength of the blue light that second blue light LED chip sent is 450 nm-460 nm, through adopting two kinds of different peak wavelength's LED chip in order to stimulate corresponding optical conversion layer respectively and send the light of different spectrums, borrow the light stack of two kinds of different spectrums in order to improve the color rendering index and realize the full spectrum, and need not adjust the concentration of phosphor powder, the lighting effect is not influenced.

Description

Full-spectrum lamp

Technical Field

The utility model belongs to the technical field of the illumination, more specifically say, relate to a full gloss register for easy reference lamps and lanterns.

Background

The LED (Light Emitting Diode) industry is one of the most spotlighted industries in recent years, and the LED products have the advantages of energy saving, power saving, high efficiency, fast response time, long life cycle, environmental protection, and the like, so that the LED products are more and more popular in the market.

The LED lamp generally includes an LED chip and phosphor disposed on the LED chip, and when the LED chip is lit, the phosphor absorbs light emitted from the LED chip and emits a spectrum. The white light in nature is composed of a complete spectrum, the LED lamp needs to simulate and restore the natural light spectrum through the combination of an LED chip and fluorescent powder, and the color rendering index of the product is also determined by the restoration degree of the spectrum. The existing mainstream full-spectrum LED lamp generally improves the color rendering index by adjusting the concentration of fluorescent powder, and the light source structure sacrifices the light efficiency of part of the LED lamp while obtaining a high color rendering index.

Disclosure of Invention

An object of the embodiment of the utility model is to provide a full gloss register for easy reference lamps and lanterns to solve the technical problem that the light efficiency that full gloss register for easy reference LED lamps and lanterns among the prior art exist is low.

In order to achieve the above object, the utility model adopts the following technical scheme: a full-spectrum lamp is provided, which comprises a circuit board, a first light emitting component and a second light emitting component, wherein the first light emitting component and the second light emitting component are both arranged on the circuit board and used for emitting white light, the first light-emitting component comprises a first bracket arranged on the circuit board, a first blue LED chip arranged on the first bracket and used for emitting blue light, and a first optical conversion layer which is arranged on the first blue LED chip and doped with yellow fluorescent powder, the second light-emitting component comprises a second bracket arranged on the circuit board, a second blue LED chip arranged on the second bracket and used for emitting blue light, and a second optical conversion layer which is arranged on the second blue LED chip and doped with yellow fluorescent powder, the peak wavelength of the blue light emitted by the first blue light LED chip is 425 nm-435 nm, the peak wavelength of the blue light emitted by the second blue light LED chip is 450 nm-460 nm.

Optionally, a first groove for accommodating a first blue LED chip is formed in the first support, the first blue LED chip is disposed at the bottom of the first groove, and the first optical conversion layer is filled in the first groove and covers the first blue LED chip;

the second bracket is provided with a second groove for containing a second blue LED chip, the second blue LED chip is arranged at the bottom of the second groove, and the second optical conversion layer is filled in the second groove and covers the second blue LED chip.

Optionally, the first light emitting assembly further includes two first leads respectively disposed at two ends of the first blue LED chip, and two ends of the first lead are respectively electrically connected to the first blue LED chip and the circuit board;

the second light-emitting component further comprises two second leads which are arranged at two ends of the second blue light LED chip respectively, and two ends of each second lead are electrically connected to the second blue light LED chip and the circuit board respectively.

Optionally, the first optical conversion layer and the second optical conversion layer are colloids, and the yellow phosphor is doped in the colloids.

Optionally, the yellow phosphor includes at least one of an aluminate phosphor, a silicate phosphor, and a nitride phosphor.

Optionally, the full-spectrum lamp includes a plurality of the first light emitting assemblies and a plurality of the second light emitting assemblies, and the first light emitting assemblies and the second light emitting assemblies are arranged in a staggered manner.

Optionally, the full spectrum lamp further includes a lamp body and a lamp cap connected to the lamp body, and a cavity for accommodating the circuit board is formed by enclosing the lamp body and the lamp cap.

Optionally, the full-spectrum lamp is a T8LED lamp tube, the lamp body is tubular, the lamp caps are respectively disposed at two ends of the lamp body, and the lamp caps are provided with copper pins electrically connected to the circuit board.

Optionally, the full spectrum lamp is an LED bulb, the lamp holder is disposed at one end of the lamp body, and the lamp holder includes a heat sink having one end connected to the lamp body and a contact connected to one end of the heat sink far away from the lamp body.

Optionally, the contact head is externally provided with a thread, by which the contact head is assembled to the lamp holder.

The utility model provides a full gloss register for easy reference lamps and lanterns, which comprises a circuit board, first light-emitting component and second light-emitting component all locate on the circuit board and be used for launching the white light, first light-emitting component is including locating the first support on the circuit board, locate on the first support and be used for launching the first blue light LED chip of blue light and locate on the first blue light LED chip and be doped with the first optical conversion layer of yellow phosphor powder, second light-emitting component is including locating the second support on the circuit board, locate on the second support and be used for launching the second blue light LED chip of blue light and locate on the second blue light LED chip and be doped with the second optical conversion layer of yellow phosphor powder, the peak wavelength of the blue light that first blue light LED chip sent is 425nm ~ 435nm, the peak wavelength of the blue light that the second blue light LED chip sent is 450nm ~ 460nm, the utility model discloses an LED chip that adopts two kinds of different peak wavelengths is with arousing corresponding optical conversion layer The light with different spectrums is emitted, the color rendering index is improved and the full spectrum is realized by means of superposition of the light with two different spectrums, the concentration of the fluorescent powder does not need to be adjusted, and the lighting effect is not influenced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a full spectrum lamp according to an embodiment of the present invention;

fig. 2 is a schematic structural view of another full spectrum lamp according to an embodiment of the present invention;

fig. 3 is a schematic top view of another full spectrum lamp according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a first light emitting assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second light emitting assembly according to an embodiment of the present invention;

fig. 6 is a transmission spectrum diagram of a first blue light LED chip and a second blue light LED chip provided by an embodiment of the present invention;

fig. 7 is a light emission spectrum diagram of the first light emitting assembly and the second light emitting assembly provided by the embodiment of the present invention;

Fig. 8 is an emission spectrum diagram of a full spectrum lamp provided in the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

100. 100' -a circuit board; 200-a first light emitting assembly; 210-a first scaffold; 211 — a first recess; 220-first blue LED chip; 230 — a first optical conversion layer; 240 — first lead; 300-a second light emitting component; 310-a second support; 311-a second groove; 320-a second blue LED chip; 330-a second optical conversion layer; 340-a second lead; 410. 420-a lamp body; 510. 520-a lamp cap; 521-a heat sink; 522-contacts; 523-thread; 700-copper needle.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example one

Referring to fig. 1, 4 and 5, a first embodiment of the present invention provides a full spectrum lamp, including a circuit board 100, a first light emitting device 200 and a second light emitting device 300, wherein the first light emitting device 200 and the second light emitting device 300 are both disposed on the circuit board 100 and are configured to emit white light, the first light emitting device 200 includes a first bracket 210 disposed on the circuit board 100, a first blue LED chip 220 disposed on the first bracket 210 and configured to emit blue light, and a first optical conversion layer 230 disposed on the first blue LED chip 220 and doped with yellow phosphor, the second light emitting device 300 includes a second bracket 310 disposed on the circuit board 100, a second blue LED chip 320 disposed on the second bracket 310 and configured to emit blue light, and a second optical conversion layer 330 disposed on the second blue LED chip 320 and doped with yellow phosphor, as shown in fig. 6, the peak wavelength of the blue light emitted by the first blue LED chip 220 is 425nm to 435nm, the peak wavelength of the blue light emitted by the second blue LED chip 320 is 450nm to 460 nm.

Optionally, the peak wavelength of the blue light emitted by the first blue light LED chip 220 may be 430nm, and the peak wavelength of the blue light emitted by the second blue light LED chip 320 may be 455nm, and of course, according to the selection of the actual situation, the peak wavelength of the blue light emitted by the first blue light LED chip 220 and the second blue light LED chip 320 may be modified appropriately, and the present invention is not limited herein.

In the full spectrum lamp of the first embodiment of the present invention, the full spectrum lamp is powered on and lights the first blue LED chip 220 and the second blue LED chip 320, in the first light emitting assembly 200, the blue light emitted from the first blue LED chip 220 excites the yellow phosphor in the first optical conversion layer 230 and emits yellow light, and the blue light emitted from the first blue LED chip 220 and the yellow light emitted from the yellow phosphor in the first optical conversion layer 230 are mixed to form white light; accordingly, in the second light emitting assembly 300, the blue light emitted by the second blue LED chip 320 excites the yellow phosphor in the second optical conversion layer 330 and emits yellow light, and the blue light emitted by the second blue LED chip 320 and the yellow light emitted by the yellow phosphor in the second optical conversion layer 330 are mixed to form white light; finally, the white light that first light emitting component 200 sent and the white light stack that second light emitting component 300 sent are jetted out, combine fig. 7 and fig. 8 simultaneously, fig. 7 is the emission spectrogram of first light emitting component and second light emitting component, and fig. 8 is the emission spectrogram of full spectrum lamps and lanterns, and fig. 8 is the emission spectrogram after the white light stack that first light emitting component and second light emitting component sent promptly, can discover through the comparison, the utility model discloses an adopt the LED chip of two kinds of different peak wavelengths to send the light of different spectra in order to arouse the optical conversion layer that corresponds respectively, borrow the light stack of two kinds of different spectra in order to realize full spectrum, need not adjust the concentration of phosphor powder, can not influence the light efficiency.

TABLE 1 color rendering index of full spectrum lamps

x	y	Tc(K)	Ra	R1	R2	R3	R4	R5	R6
										0.3756	0.3781	4143	99	99.6	99.3	97.7	99	99.2	99.1
R7	R8	R9	R10	R11	R12	R13	R14	R15
										99.1	99.5	98.7	97.8	99.4	93.9	99	98.2	98.8

Wherein, x and y are the color coordinate, and Tc is the colour temperature, and Ra is the color rendering index, and R1-R15 are the display index of corresponding colour, and Ra is the average number of R1-R8, can know from table 1, the utility model discloses the color rendering index of full spectrum lamps and lanterns of first embodiment is high, can restore the natural light spectrum better.

Specifically, as shown in fig. 4, a first groove 211 for accommodating the first blue LED chip 220 is formed on the first support 210, the first blue LED chip 220 is disposed at the bottom of the first groove 211, and the first optical conversion layer 230 is filled in the first groove 211 and covers the surface of the first blue LED chip 220, so that the blue light emitted by the first blue LED chip 220 can excite the yellow phosphor in the first optical conversion layer 230 to emit yellow light, and the yellow light and the blue light emitted by the first blue LED chip 220 are mixed to form white light. In this embodiment, the first blue light LED chip 220 can be fixed at the bottom of the first groove 211 by gluing, and of course, according to the choice of actual conditions, the first blue light LED chip 220 can also be fixed at the bottom of the first groove 211 by other methods, which is not limited herein.

Specifically, as shown in fig. 5, a second groove 311 for accommodating the second blue LED chip 320 is formed on the second support 310, the second blue LED chip 320 is disposed at the bottom of the second groove 311, and the second optical conversion layer 330 is filled in the second groove 311 and covers the surface of the second blue LED chip 320, so that the blue light emitted by the second blue LED chip 320 can excite the yellow phosphor in the second optical conversion layer 330 to emit yellow light, which is mixed with the blue light emitted by the second blue LED chip 320 to form white light. In this embodiment, the second blue light LED chip 320 can be fixed at the bottom of the second groove 311 by gluing, and of course, according to the choice of actual conditions, the second blue light LED chip 320 can also be fixed at the bottom of the second groove 311 by other methods, which is not limited herein.

Specifically, as shown in fig. 5, the first light emitting assembly 200 further includes two first leads 240 respectively disposed at two ends of the first blue LED chip 220, and two ends of the first leads 240 are respectively electrically connected to the first blue LED chip 220 and the circuit board 100; the second light emitting assembly 300 further includes two second leads 340 respectively disposed at two ends of the second blue LED chip 320, and two ends of the second leads 340 are respectively electrically connected to the second blue LED chip 320 and the circuit board 100. With the above arrangement, after the circuit board 100 is connected to an external power source, the first blue LED chip 220 and the second blue LED chip 320 may be turned on or off by the circuit board 100.

Optionally, the first lead 240 and the second lead 340 may be gold wires, and of course, the first lead 240 and the second lead 340 may also be made of other materials according to the choice of the actual situation, which is not limited herein.

Specifically, the first optical conversion layer 230 and the second optical conversion layer 330 are colloid, and yellow phosphor is doped in the colloid. After the first blue LED chip 220 is fixed at the bottom of the first groove 211, a colloid doped with yellow phosphor may be filled in the first groove 211, and then cured to form the first optical conversion layer 230; accordingly, after the second blue LED chip 320 is fixed at the bottom of the second groove 311, the second groove 311 may be filled with a colloid doped with yellow phosphor, and then cured to form the second optical conversion layer 330.

Optionally, the yellow phosphor may include at least one of an aluminate phosphor, a silicate phosphor, and a nitride phosphor, and the colloid may be silica gel, and of course, the materials of the yellow phosphor and the colloid may be modified appropriately according to the selection of the actual situation, and the present invention is not limited herein.

Specifically, as shown in fig. 1, the full-spectrum lamp includes a plurality of first light emitting assemblies 200 and a plurality of second light emitting assemblies 300, and the first light emitting assemblies 200 and the second light emitting assemblies 300 are arranged in a staggered manner, so that the full-spectrum lamp can emit light uniformly.

Specifically, as shown in fig. 1, the full spectrum lamp further includes a lamp body 410 and a lamp cap 510 connected to the lamp body 410, and a cavity for accommodating the circuit board 100 is formed between the lamp body 410 and the lamp cap 510. In this embodiment, the full spectrum lamp is a T8LED lamp, the lamp body 410 is tubular, and the lamp caps 510 are respectively disposed at two ends of the lamp body, and the copper pins 700 electrically connected to the circuit board 100 are disposed on the lamp caps 510.

Example two

Referring to fig. 2 and fig. 3, a second embodiment of the present invention provides a full spectrum lamp, which is different from the first embodiment only in that: the full-spectrum lamp is an LED bulb, a lamp cap 520 is disposed at one end of the lamp body 420, the lamp cap 520 includes a heat sink 521 whose one end is connected to the lamp body 420 and a contact 522 connected to one end of the heat sink 521, which is far away from the lamp body 420, and the circuit board 100' is disposed in a cavity defined by the lamp body 420, the heat sink 521 and the lamp cap 520. In this embodiment, the contact 522 is externally provided with a screw thread 523, and the contact 522 is assembled to a lamp socket (not shown) by the screw thread 523.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A full-spectrum lamp is characterized by comprising a circuit board, a first light-emitting component and a second light-emitting component, the first light-emitting component and the second light-emitting component are arranged on the circuit board and are used for emitting white light, the first light-emitting component comprises a first bracket arranged on the circuit board, a first blue LED chip arranged on the first bracket and used for emitting blue light, and a first optical conversion layer which is arranged on the first blue LED chip and doped with yellow fluorescent powder, the second light-emitting component comprises a second bracket arranged on the circuit board, a second blue LED chip arranged on the second bracket and used for emitting blue light, and a second optical conversion layer which is arranged on the second blue LED chip and doped with yellow fluorescent powder, the peak wavelength of the blue light emitted by the first blue light LED chip is 425 nm-435 nm, the peak wavelength of the blue light emitted by the second blue light LED chip is 450 nm-460 nm.

2. The full-spectrum lamp of claim 1, wherein the first bracket defines a first recess for receiving a first blue LED chip, the first blue LED chip is disposed at a bottom of the first recess, and the first optical conversion layer is filled in the first recess and covers the first blue LED chip;

3. The full-spectrum lamp of claim 1, wherein the first light emitting assembly further comprises two first leads respectively disposed at two ends of the first blue LED chip, and two ends of the first lead are respectively electrically connected to the first blue LED chip and the circuit board;

4. The full-spectrum lamp of claim 1, wherein the first optical conversion layer and the second optical conversion layer are colloids, and the colloids are doped with the yellow phosphor.

5. The full-spectrum lamp of claim 1, wherein the yellow phosphor comprises at least one of an aluminate phosphor, a silicate phosphor, and a nitride phosphor.

6. The full-spectrum light fixture of claim 1, wherein the full-spectrum light fixture comprises a plurality of the first light emitting assemblies and a plurality of the second light emitting assemblies, the first light emitting assemblies and the second light emitting assemblies being staggered.

7. The full spectrum lamp of any one of claims 1-6, further comprising a lamp body and a lamp cap connected to the lamp body, wherein a cavity for receiving the circuit board is defined between the lamp body and the lamp cap.

8. The full spectrum lamp of claim 7, wherein the full spectrum lamp is a T8LED lamp, the lamp body is tubular and has two ends provided with the lamp caps respectively, and the lamp caps are provided with copper pins electrically connected to the circuit board.

9. The full-spectrum lamp of claim 7, wherein the full-spectrum lamp is an LED bulb, the lamp head is disposed at one end of the lamp body, and the lamp head includes a heat sink having one end connected to the lamp body and a contact connected to an end of the heat sink remote from the lamp body.

10. The full spectrum lamp of claim 9, wherein the contact is externally threaded, and the contact is mounted to the socket via the threads.