CN210398447U

CN210398447U - LED light source light filling device

Info

Publication number: CN210398447U
Application number: CN201921221895.6U
Authority: CN
Inventors: 吴琼; 欧阳沁; 陈瑞兵
Original assignee: JIANGSU SUN & MOON LIGHTING CO LTD
Current assignee: JIANGSU SUN & MOON LIGHTING CO LTD
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-04-24
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a LED light source light filling device, establish the phosphor powder complementary color pad pasting on the carrier assembly including the carrier assembly with pasting, the light-emitting direction the place ahead position of LED light source is located to the carrier assembly, and the phosphor powder complementary color pad pasting covers the whole light-emitting area of LED light source on the carrier assembly completely at least. The light supplementing measure is provided aiming at the problem that the lighting effect of the LED light source is not ideal, the defect that fluorescent powder is not easy to form and manufacture on an LED wafer is avoided ingeniously, the light supplementing measure is solved through an additional light supplementing mode, the fluorescent powder color supplementing pasting film is borne on the bearing component, and the whole light emitting area of the LED light source on the bearing component is at least completely covered.

Description

LED light source light filling device

Technical Field

The utility model relates to a LED field specifically indicates a LED light source light filling device.

Background

In the LED light-emitting design with various colors in the market, a packaging layer is formed in front of a blue light wafer and is formed by mixing silica gel and fluorescent powder, the fluorescent powder is designed in a matching manner according to the color required by the current product, so that the blue light emitted by the blue light wafer can form light with actually required color after passing through the packaging layer, and the conventional light-emitting requirements of various colors are met.

However, in the fabrication of the package layer, there are problems that the phosphor is difficult to sinter (especially the red phosphor which is not resistant to high temperature) and the effective sintering amount is difficult to control precisely, the light-emitting characteristics of the fabricated LED chip always deviate from the light-emitting parameters to be designed actually, especially the color rendering index is greatly affected, which brings trouble to the actual product design

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED light source light filling device comes ingenious defect of avoiding phosphor powder encapsulation preparation on the LED wafer through other light filling modes, finally reaches the light-emitting effect who promotes color rendering index and required specific color.

In order to achieve the above purpose, the solution of the present invention is:

the utility model provides a LED light source light filling device, includes the carrier assembly and pastes the phosphor powder pad pasting of establishing on the carrier assembly, and the carrier assembly locates LED light source's light-emitting direction the place ahead position, and the whole light-emitting area of LED light source on the carrier assembly is covered completely at least to the phosphor powder pad pasting.

The LED light source is characterized in that a light emitting body of the LED light source is a blue light wafer light emitting body, sapphire phosphor bodies are arranged at intervals in the position right ahead of the light emitting direction of the light emitting body, the sapphire phosphor bodies are formed by sintering glass powder and fluorescent powder on sapphire, and the fluorescent powder and the glass powder are sintered and formed on the surface of one side, opposite to the light emitting body, of the sapphire.

The fluorescent powder is any one of red fluorescent powder, green fluorescent powder and yellow fluorescent powder or any mixture of at least two colors.

The fluorescent powder of the fluorescent powder complementary color film is any one of red fluorescent powder, green fluorescent powder and yellow fluorescent powder or any mixture of at least two colors.

The bearing assembly comprises a fly-eye lens and a reflecting cup which are arranged inside and outside; the reflecting cup is covered on the periphery of the LED light source, the fly-eye lens is arranged right ahead of the light emitting direction of the LED light source, and the fluorescent powder color-complementing adhesive film is pasted on the outer surface of the fly-eye lens.

The bearing assembly further comprises a shading cover plate, the shading cover plate is arranged in front of the fly eye lens, and the fluorescent powder color complementing pasting film is arranged on the inner surface of the shading cover plate.

After adopting above-mentioned scheme, this novel LED light source light filling device, to the unsatisfactory problem of LED light source light efficiency and the light filling measure that proposes, it avoids the defect of phosphor powder difficult shaping preparation on the LED wafer ingeniously, but solve through other light filling modes, phosphor powder complementary color pad pasting bears and locates on the carrier assembly, and cover the whole light-emitting area setting of LED light source on the carrier assembly at least completely, so according to the concrete color development disappearance of LED light source, select the phosphor powder complementary color pad pasting of adapted colour to make nimble effective complementary color, in order to reach the light-emitting effect who promotes color rendering index and required specific color.

Drawings

Fig. 1 is a schematic view of a first embodiment of the novel LED light source light supplement device;

fig. 2 is a schematic view of a second embodiment of the novel LED light source light supplement device;

fig. 3 is a schematic view of a third embodiment of the novel LED light source light supplement device;

fig. 4 is a schematic view of a fourth embodiment of the novel LED light source light supplement device.

Description of the reference symbols

An LED light source 1, a blue light chip luminous body 11, a sapphire fluorescent body 12,

sapphire 121, fluorescent powder 122, a fluorescent powder complementary color film 3,

the bearing component 4, the fly-eye lens 41, the reflecting cup 42 and the pattern-drying cover plate 43.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments.

The present disclosure relates to a light supplement device for an LED light source, as shown in fig. 1, which includes a carrier assembly 4 and a phosphor color supplement film 3 attached to the carrier assembly 4. The bearing component 4 is mainly used for bearing the fluorescent powder color-complementing adhesive film 3 to enable the fluorescent powder color-complementing adhesive film to be located in the front position of the light emitting direction of the LED light source 1, so that the effects of color mixing and light supplementing are achieved. Specifically, the carrier 4 is disposed in front of the LED light source 1 in the light emitting direction, and the phosphor complementary color film 3 completely covers at least the entire light emitting area of the LED light source 1 on the carrier 4.

The present case is to the unsatisfactory problem of LED light source light efficiency and the novel light filling measure of proposing, it avoids the defect that phosphor powder is difficult for the shaping preparation on the LED wafer among the prior art ingeniously, solve through the light filling mode in addition, phosphor powder complementary color pad pasting 3 bears and locates on carrier assembly 4, and cover LED light source 1 whole light-emitting area setting on carrier assembly 4 completely at least, so according to the specific color development disappearance of LED light source 1, the phosphor powder complementary color pad pasting 3 of selection looks adaptation colour does nimble effective complementary color, in order to reach the light-emitting effect who promotes color rendering index and required specific color. The phosphor of the phosphor complementary color film 3 may be any available phosphor with any color, and in the embodiment, the phosphor is any one of red phosphor, green phosphor and yellow phosphor, and of course, any two or three colors thereof may be mixed. The red fluorescent powder complementary color film is applied to solve the puzzlement of actual products and is most practical.

As a second embodiment of the present application, as shown in fig. 2, a LED light source 1 is provided with a related and adaptive preferred design, a light emitter of the LED light source 1 is a blue wafer light emitter 11, a sapphire phosphor 12 is disposed at an interval right in front of a light emitting direction of the light emitter, the sapphire phosphor 12 is formed by sintering glass powder and phosphor powder 122 on sapphire, and the phosphor powder 122 and the glass powder are sintered and formed on a surface of the sapphire corresponding to a side opposite to the light emitter. The sapphire phosphor 12 thus configured is equivalent to including sapphire glass 121 and phosphor 122. The blue light chip illuminant excites the fluorescent powder 122 to form a required emergent light color, and the fluorescent powder 122 can be designed into fluorescent powder with corresponding color according to actual needs.

The second embodiment is suitable for a high-power LED light source 1, and because the high-power LED light source 1 has high luminous flux and generates high heat, the sapphire fluorophor 12 is specially designed aiming at the problem, the sapphire is a transparent temperature-resistant material, and has the characteristics of good light transmission and good temperature resistance, the blue light wafer luminophor emits high luminous flux blue light which passes through the sapphire, the generated heat can not cause any adverse effect on the whole sapphire fluorophor 12, particularly the fluorescent powder 122, and the LED light source can continuously and effectively work.

As a third embodiment of the present application, as shown in fig. 3, a preferable design is proposed for the structure of the carrier component 4, and the carrier component 4 is a light guide component of the LED light source 1, and includes a fly-eye lens 41 and a reflective cup 42 arranged inside and outside; the fly eye lens 41 is arranged at the position right in front of the light emitting direction of the LED light source 1 so as to disperse and homogenize the light rays directly irradiated onto the fly eye lens 41 by the LED light source 1; the reflector cup 42 covers the periphery of the LED light source 1 to reflect the light from the LED light source 1 directly onto the reflector cup 42 to the fly's eye lens 41. In the preferred embodiment, the reflector cup 42 and fly-eye lens 41 are integrally formed and supported on a housing. The phosphor color-compensating patch 3 is attached to the outer surface of the fly-eye lens 41.

The bearing component 4 is used as a light guide component, and the reflection cup 42 is used for reflecting and condensing light to control main light spots (light-emitting angles) and the fly-eye lens 41 to disperse and uniform light spots for processing, so that the light-emitting effect of high light efficiency and high light uniformity is realized. Specifically, the light emitted by the light source, especially the part of the light which is not directly irradiated on the fly eye lens, is properly reflected and collected by the action of the reflecting cup 42, so that the light-emitting angle (for example, 60-degree light-emitting) is changed, and the light source is maximally utilized; meanwhile, the fly eye lens 41 is used for uniformly dispersing the strong light generated at the center of the light source, so that the illumination with high uniformity and high light efficiency is obtained. On the basis of the light guide, the LED light source 1 fully supplements colors through the adaptive fluorescent powder color-supplementing pasting film 3, finally obtains illumination with high uniformity and high display light efficiency, and is particularly suitable for being applied to stage lamps.

As a fourth embodiment of the present application, as shown in fig. 4, in addition to the third embodiment, the carrier assembly 4 further includes a shading cover 43, the shading cover 43 is disposed in front of the fly's eye lens 41, and the phosphor complementary color film 3 is disposed on the inner surface of the shading cover 43. The embodiment is preferably suitable for the light mixing design of the LED stage lamp, and adopts a four-layer light mixing design scheme of a reflecting cup (TIR), a fly-eye lens, a shading cover plate and a complementary color adhesive film (red fluorescent powder), wherein the complementary color adhesive film (red fluorescent powder) is positioned between the fly-eye lens and the shading cover plate, so that the exerted effect is relatively ideal, and the light guide assembly has the effect of well considering both light emitting and color developing performances and light mixing performances.

Furthermore, the fourth embodiment is combined with the preferable design of the LED light source 1 of the second embodiment, the LED light source 1 of the second embodiment is a planar light emitting excitation source, and the four-layer light mixing and the planar light emitting excitation source have high matching performance, and finally, a high color rendering light mixing effect is achieved.

The foregoing is only a preferred embodiment of the present invention and all equivalent changes and modifications made within the scope of the present invention are intended to be covered by the appended claims.

Claims

1. The utility model provides a LED light source light filling device which characterized in that: the LED light source.

2. The LED light source light supplementing device of claim 1, wherein: the LED light source is characterized in that a light emitting body of the LED light source is a blue light wafer light emitting body, sapphire phosphor bodies are arranged at intervals in the position right ahead of the light emitting direction of the light emitting body, the sapphire phosphor bodies are formed by sintering glass powder and fluorescent powder on sapphire, and the fluorescent powder and the glass powder are sintered and formed on the surface of one side, opposite to the light emitting body, of the sapphire.

3. The LED light source light supplementing device of claim 2, wherein: the fluorescent powder is any one of red fluorescent powder, green fluorescent powder and yellow fluorescent powder or any mixture of at least two colors.

4. The LED light source light supplementing device of claim 1, wherein: the fluorescent powder of the fluorescent powder complementary color film is any one of red fluorescent powder, green fluorescent powder and yellow fluorescent powder or any mixture of at least two colors.

5. The LED light source light supplementing device of claim 1, wherein: the bearing assembly comprises a fly-eye lens and a reflecting cup which are arranged inside and outside; the reflecting cup is covered on the periphery of the LED light source, the fly-eye lens is arranged right ahead of the light emitting direction of the LED light source, and the fluorescent powder color-complementing adhesive film is pasted on the outer surface of the fly-eye lens.

6. The LED light source light supplementing device of claim 5, wherein: the bearing assembly further comprises a shading cover plate, the shading cover plate is arranged in front of the fly eye lens, and the fluorescent powder color complementing pasting film is arranged on the inner surface of the shading cover plate.