CN211083986U

CN211083986U - Full spectrum L ED light source

Info

Publication number: CN211083986U
Application number: CN202020024295.7U
Authority: CN
Inventors: 任昌烈; 谢自力; 方建初; 陈敦军; 卞文静; 胡尹; 邓青山
Original assignee: Nanjing Jixin Optoelectronic Technology Research Institute Co ltd
Current assignee: Nanjing Jixin Optoelectronic Technology Research Institute Co ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-07-24
Anticipated expiration: 2030-01-07

Abstract

The utility model discloses a full gloss register for easy reference L ED light source is arranged after giving different electric currents by the lamp pearl of two kinds or two kinds of above different spectrums and is formed for it is full gloss register for easy reference L ED, the utility model provides a full gloss register for easy reference L ED only needs two kinds or two kinds of above L ED lamp pearl to arrange according to certain law and forms, simple structure, and is with low costs.

Description

Full spectrum L ED light source

Technical Field

The invention relates to a full-spectrum L ED light source, and belongs to the technical field of L ED lighting.

Background

At present, L ED white light technology is mature, white light L ED has great improvement in light efficiency and color rendering, but has great difference compared with full spectrum natural light, a blue-green light part with 490-500 nm and a red light part with 650-700 nm are lacked in the spectrum, the light beam of white light L ED is narrow, and the most used light of human eyes is sunlight, so that the spectrum of an artificial light source is closer to the sunlight, and the more natural and comfortable the color feeling of human eyes are.

The full-spectrum L ED light source and the lamp are produced according to the needs of people, the spectrum of the light source is close to the sunlight, and the solar-like illumination with ultrahigh quality can be realized.

In the process, the conversion efficiency of the ultraviolet chip for exciting the three powders is very low, the brightness and the light effect of the final finished lamp are low, the price of the ultraviolet chip and the blue fluorescent powder is far higher than that of the common blue chip and the common blue fluorescent powder, and for illumination, the risk of retina damage caused by low-energy wave bands can be increased by using the ultraviolet chip.

Disclosure of Invention

It is an object of the present invention to provide a full spectrum L ED light source.

The technical scheme includes that the full-spectrum L ED light source is formed by arranging two or more lamp beads with different spectrums after different currents are supplied, the different currents are supplied to enable the luminous fluxes of the lamp beads with the different spectrums to be different, and finally the light is comprehensively emitted to be the full spectrum.

Preferably, the LED lamp is formed by arranging lamp beads A and lamp beads B, wherein the lamp beads A are ordinary white light L ED lamp beads, a blue-green light spectrum of 490-500 nm is lost in the spectrum, the lamp beads B are white light L ED lamp beads with peak wavelength of 490-500 nm, and the luminous fluxes of the lamp beads A and B meet the condition that A: B is 1: 1.

Preferably, the lamp beads A and B are arranged in a circulating manner in space As (AB)_nOr (BA)_nThe lamp pearl A is through the electricity and connect, input current I1, and lamp pearl B is through the electricity connection, input current I2, I1: i2 ═ 2: 1.

Preferably, the LED lamp is formed by arranging lamp beads D, lamp beads B and lamp beads C, wherein the lamp beads D are ordinary white light L ED lamp beads, a blue-green spectrum of 490-500 nm and a red light spectrum of 650-700 nm are lost in the spectrum, the lamp beads B are white light L ED lamp beads with peak wavelength of 490-500 nm, the lamp beads C are white light L ED lamp beads with peak wavelength of 650-700 nm, and luminous flux of the lamp beads D, B and C meets the requirement that D: B: C is 1:1: 0.5.

Preferably, the lamp beads D, B and C are arranged in a circulating manner in space as (DBC)_mOr (BCD)_mOr (DCB)_mOr (BDC)_mOr (CDB)_mOr (CBD)_mThe utility model discloses a lamp pearl D, lamp pearl D is through the electricity and connect, input current I3, and lamp pearl B is through the electricity connection, input current I4, and lamp pearl C is through the electricity connection, and input current I5, I3, I4 and I5 just satisfy I3 at rated current within range: i4: i5 ═ 2:1: 1.

The full spectrum L ED light source provided by the invention can obtain full spectrum L ED only by arranging two or more than two L ED lamp beads according to a certain rule, has simple structure and low cost, and avoids increasing the risk of retina damage caused by low-energy wave bands when an ultraviolet chip is used.

Drawings

Fig. 1, a schematic diagram of the spatial arrangement of the full spectrum L ED light source in example 1.

Fig. 2 is an equivalent circuit diagram of a full spectrum L ED light source in example 1.

FIG. 3 is a spectrum diagram of a full spectrum L ED light source in example 1.

Fig. 4, a schematic diagram of the spatial arrangement of the full spectrum L ED light source in example 2.

Fig. 5 is an equivalent circuit diagram of a full spectrum L ED light source in embodiment 2.

FIG. 6 is a spectrum diagram of a full spectrum L ED light source in example 2.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Example 1

The full-spectrum L ED light source is formed by arranging lamp beads A and lamp beads B, wherein the lamp beads A and B are 2835 products with the color temperature of 5000K of Nanjing concentrated core photoelectric technology research institute Limited, the lamp beads A are ordinary white light L ED lamp beads, the spectrum of the lamp beads A only lacks the blue-green light spectrum with the wavelength of 490-500 nm, the lamp beads B are white light L ED lamp beads with the peak wavelength of 490-500 nm, the luminous fluxes of the lamp beads A and the lamp beads B meet the requirement that A: B is 1:1, the lamp beads A and the lamp beads B are arranged in a space arrangement in an AB circulation mode (the BABABA … mode can be adopted and is an equivalent mode), as shown in a schematic diagram of fig. 1 (the lamp beads are arranged in the AB circulation mode), at least one group of lamp beads A or BA is electrically connected, an input current I2, the lamp beads B is electrically connected, the input current I2 is serially connected to form the A lamp beads A, the A string is serially connected with the RB, the B string is serially connected with the B string, the B string of the A and the lamp beads B is serially connected with the RB, and the equivalent circuit of the lamp beads A, the lamp string is connected with the RB, the equivalent circuit is shown in a resistance of the equivalent circuit 3: 64, and the equivalent circuit is shown in a general diagram of fig. 1.

Example 2

The full-spectrum L ED lamp is formed by arranging lamp beads D, lamp beads B and lamp beads C, wherein the lamp beads D, B and C are 2835 products of 5000K color temperature of Nanjing core-concentrating photoelectric technology research institute Limited, the lamp beads D are ordinary white light L ED lamp beads, blue-green spectrum and 650-700 nm red light spectrum of 490-500 nm are absent in the spectrum, the lamp beads B are white light L ED lamp beads with peak wavelength of 490-500 nm, the lamp beads C are white light L ED lamp beads with peak wavelength of 650-700 nm, the luminous flux of the lamp beads D, the lamp beads B and the lamp beads C satisfies D: C1: 1:0.5, the lamp beads are arranged in space according to DBC circulation mode in an equivalent space mode, the lamp beads are arranged in space according to DBCDBCDBCDBC … (or BCDBCDCD … or BDCB … or BDC … or DBBCDB 3 or CBDCBDC …, all are in an equivalent space mode, the lamp beads C series-B series-DBC series connection is formed by a lamp bead series connection, the lamp bead I lamp bead series-series connection is connected with a lamp bead I lamp bead series connection, the lamp bead I lamp is connected in series-series connection with a lamp bead I lamp string, the lamp string is connected with a lamp bead I lamp string, the lamp string I lamp bead I lamp string is connected with the lamp, the lamp bead I is connected in series connection, the lamp bead I is connected with the lamp bead I, the lamp bead I lamp, the lamp bead I is connected with the lamp, the lamp bead C, the lamp bead I is connected with the lamp.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims

1. A full-spectrum L ED light source is formed by distributing two or more white light beads with different spectrums after giving different currents, the different currents are given to enable the luminous fluxes of the white light beads with the different spectrums to be different, and finally the light is comprehensively emitted to be a full spectrum.

2. The full-spectrum L ED light source of claim 1, which is characterized in that the full-spectrum L ED light source is formed by arranging lamp beads A and lamp beads B, wherein the lamp beads A are ordinary white light L ED lamp beads, a 490-500 nm blue-green light spectrum is absent in the spectrum, the lamp beads B are white light L ED lamp beads with peak wavelengths of 490-500 nm, and the luminous fluxes of the lamp beads A and B satisfy A: B-1: 1.

3. The full spectrum of claim 2L ED light source, characterized in that the bead A and bead B are arranged in a circular manner in space As (AB)_nOr (BA)_nThe lamp bead A is connected through the electricity, and input current I1, lamp bead B are connected through the electricity, and input current I2, I1 and I2 just satisfy I1 at rated current within range: i2 ═ 2: 1.

4. The full-spectrum L ED light source of claim 1, which is characterized in that the full-spectrum L ED light source is formed by arranging a lamp bead D, a lamp bead B and a lamp bead C, wherein the lamp bead D is a common white light L ED lamp bead, a blue-green spectrum of 490-500 nm and a red spectrum of 650-700 nm are absent in the spectrum, the lamp bead B is a white light L ED lamp bead with a peak wavelength of 490-500 nm, the lamp bead C is a white light L ED lamp bead with a peak wavelength of 650-700 nm, and the luminous fluxes of the lamp bead D, the lamp bead B and the lamp bead C satisfy the condition that D: C is 1:1: 0.5.

5. The full spectrum L ED light source of claim 4, wherein bead D, bead B and bead C are spatially arranged in a circular manner as (DBC)_mOr (BCD)_mOr (DCB)_mOr (BDC)_mOr (CDB)_mOr (CBD)_mThe utility model discloses a lamp pearl D, lamp pearl D is through the electricity and connect, input current I3, and lamp pearl B is through the electricity connection, input current I4, and lamp pearl C is through the electricity connection, and input current I5, I3, I4 and I5 just satisfy I3 at rated current within range: i4: i5 ═ 2:1: 1.