CN213840539U

CN213840539U - Integrated LD light source

Info

Publication number: CN213840539U
Application number: CN202120083576.4U
Authority: CN
Inventors: 李刚; 张�林
Original assignee: Huzhou Cas Photoelectric Technology Co ltd
Current assignee: Qingdao Zhongke Zhifu Photoelectric Technology Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-07-30
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses an integral type LD light source, including the base plate, fixed being provided with on the base plate can launch the luminous chip of blue light, be connected with the pin that is used for the switch on the luminous chip, fixed being provided with on the base plate covers the mount pad of establishing outside luminous chip, the mount pad is made by the sapphire material, sets up on the mount pad with the communicating luminous passageway of luminous chip, luminous passageway has set gradually the mixed layer of phosphor powder pottery from inside to outside, phosphor powder glass mixes the layer. The blue light emitted by the light emitting chip is transmitted to the phosphor ceramic mixed layer and the phosphor glass mixed layer, so that yellow light is excited and mixed with the blue light to output white light. Compare in traditional LED light source, the utility model provides an LD light source can reach higher luminance requirement.

Description

Integrated LD light source

Technical Field

The utility model relates to the field of lighting technology, concretely relates to integral type LD light source.

Background

With the development of lighting technology, the car lamp is developed to the current LED lamp from the first oil lamp through the later acetylene lamp, incandescent lamp, halogen lamp, tungsten filament lamp and xenon lamp, and the car lamp is replacing the traditional incandescent lamp and energy-saving lamp to become a novel lighting source as a common lighting source, and has the advantages of high efficiency, energy saving, environmental protection, long service life and the like. However, in some special application fields, such as automobile headlights, stage lighting, projection display, etc., a light source with ultra-high brightness is required, and the LED is difficult to meet the requirement.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a can reach the integral type LD light source of higher luminance requirement.

In order to realize the above object, the utility model provides an integral type LD light source, including the base plate, the fixed luminous chip that can launch the blue light that is provided with on the base plate is connected with the pin that is used for the switch on the luminous chip, and the fixed mount pad that establishes outside luminous chip that is provided with the cover on the base plate, the mount pad is made by the sapphire material, sets up on the mount pad with the communicating luminous passageway of luminous chip, luminous passageway has set gradually the mixed layer of phosphor powder pottery from inside to outside, the mixed layer of phosphor powder glass. The blue light emitted by the light emitting chip is transmitted to the phosphor ceramic mixed layer and the phosphor glass mixed layer, so that yellow light is excited and mixed with the blue light to output white light.

The utility model has the advantages that: the LD light source and the LED belong to semiconductor light sources, and have the advantages of high efficiency, energy conservation, environmental protection, long service life and the like.

The utility model discloses can further set up to luminous passageway is the toper setting, and the path end is located luminous chip here. The fluorescent powder ceramic mixed layer and the fluorescent powder glass mixed layer are coaxially arranged with the light-emitting channel, and the fluorescent powder ceramic mixed layer and the fluorescent powder glass mixed layer are overlapped together. The combined stacking form of the shapes can collect the blue light emitted by the light-emitting chip at the maximum angle and carry out wavelength conversion, can effectively improve the excitation efficiency of the fluorescent powder, is less prone to light attenuation, and therefore can convert the blue light emitted by the light-emitting chip into white light which meets the color temperature and the illumination intensity at the maximum efficiency. In addition, the consistency of the white light LD is ensured by the coaxial arrangement, the light utilization rate is improved, and the whole structure is simpler and more reasonable.

The utility model discloses still can further set up to the single chip that the luminescence chip set up for being with the axle center with luminous passageway or the chipset that comprises a plurality of chips around luminous passageway the central axis circumference equipartition.

The utility model discloses still can further set up to the fixed one end terminal surface center department that sets up at the base plate of luminous chip, the pin passes the base plate and outwards extends.

The utility model discloses still can further set up as the part that the base plate is worn out to the pin wraps up there is sealing glass. The arrangement protects the pins, and effectively isolates the positive and negative pins, thereby avoiding burning the light-emitting chip due to short circuit.

The utility model discloses still can further set up to the base plate is cylindrical, and is provided with on its periphery and is used for the installation location and prevent the connection structure who connects by mistake, connection structure includes a rectangle breach and two triangle breachs, and two triangle breachs are established respectively in the both sides of base plate, and the rectangle breach is located between two triangle breachs. By adopting the structure, the positioning of the substrate during installation is facilitated, the identification of the positive and negative electrodes of the pins by a subsequent user is facilitated, and the burning of the whole LD light source due to the fact that the positive and negative electrodes are connected inversely is prevented.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

fig. 2 is a bottom view of the present invention.

Detailed Description

As shown in fig. 1 and 2, an integrated LD light source is provided, which includes a substrate 1, a light emitting chip 2 capable of emitting blue light is fixedly arranged on the substrate 1, a pin 3 for connecting a power supply is connected to the light emitting chip 2, a mounting seat 4 covering the light emitting chip 2 is fixedly arranged on the substrate 1, the mounting seat 4 is made of sapphire material, a light emitting channel 5 communicated with the light emitting chip 2 is arranged on the mounting seat 4, and the light emitting channel 5 is sequentially provided with a phosphor ceramic mixed layer 6 and a phosphor glass mixed layer 7 from inside to outside. The blue light emitted by the light emitting chip 2 is transmitted to the phosphor ceramic mixed layer 6 and the phosphor glass mixed layer 7, so that yellow light is excited and mixed with the blue light to output white light.

The LD light source and the LED belong to semiconductor light sources, and have the advantages of high efficiency, energy conservation, environmental protection, long service life and the like.

The light emitting channel 5 is arranged in a conical shape, and the small-diameter end is positioned on the side of the light emitting chip 2. The fluorescent powder ceramic mixed layer 6 and the fluorescent powder glass mixed layer 7 are coaxially arranged with the light-emitting channel 5, and the fluorescent powder ceramic mixed layer 6 and the fluorescent powder glass mixed layer 7 are overlapped together. The combined stacking form of the shapes can collect the blue light emitted by the light emitting chip 2 at the maximum angle and carry out wavelength conversion, can effectively improve the excitation efficiency of the fluorescent powder, and is less prone to light attenuation, so that the blue light emitted by the light emitting chip 2 can be converted into white light which meets the color temperature and the illumination intensity at the maximum efficiency. In addition, the consistency of the white light LD is ensured by the coaxial arrangement, the light utilization rate is improved, and the whole structure is simpler and more reasonable.

The light-emitting chip 2 is a single chip coaxially arranged with the light-emitting channel 5 or a chip group formed by a plurality of chips uniformly distributed around the circumference of the central axis of the light-emitting channel. The light emitting chip 2 is fixedly arranged at the center of one end face of the substrate 1, and the pins 3 penetrate through the substrate 1 and extend outwards. The part of the pin 3 penetrating out of the substrate 1 is wrapped by sealing glass 8. The arrangement can protect the pins 3 and effectively isolate the positive and negative pins, thereby avoiding the short circuit and burning the light-emitting chip 2.

The base plate 1 is cylindrical, and is provided with the connection structure who is used for the installation location and prevents misconnection on its periphery, connection structure includes a rectangle breach 9 and two triangle breachs 10, and two triangle breachs 10 divide and establish in the both sides of base plate 1, and rectangle breach 9 is located between two triangle breachs 10. By adopting the structure, the positioning of the substrate 1 during installation is facilitated, the identification of the positive and negative electrodes of the pins by a subsequent user is facilitated, and the burning of the whole LD light source due to the fact that the positive and negative electrodes are connected inversely is prevented.

Claims

1. The utility model provides an integral type LD light source, includes the base plate, and the fixed luminous chip that can launch the blue light that is provided with on the base plate is connected with the pin that is used for the switch on power on the luminous chip, its characterized in that: the substrate is fixedly provided with a mounting seat which covers the light-emitting chip, the mounting seat is made of sapphire materials, a light-emitting channel communicated with the light-emitting chip is formed in the mounting seat, and a fluorescent powder ceramic mixing layer and a fluorescent powder glass mixing layer are sequentially arranged in the light-emitting channel from inside to outside.

2. The integrated LD light source of claim 1, characterized in that: the light-emitting channel is arranged in a conical shape, and the small-diameter end is located on the light-emitting chip side.

3. The integrated LD light source of claim 1 or 2, wherein: the fluorescent powder ceramic mixed layer and the fluorescent powder glass mixed layer are coaxially arranged with the light-emitting channel, and the fluorescent powder ceramic mixed layer and the fluorescent powder glass mixed layer are overlapped together.

4. The integrated LD light source of claim 3, characterized in that: the light-emitting chip is a single chip coaxially arranged with the light-emitting channel or a chip group consisting of a plurality of chips uniformly distributed around the circumference of the central axis of the light-emitting channel.

5. The integrated LD light source of claim 4, characterized in that: the light-emitting chip is fixedly arranged at the center of one end face of the substrate, and the pins penetrate through the substrate and extend outwards.

6. The integrated LD light source of claim 5, characterized in that: and the part of the pin, which penetrates out of the substrate, is wrapped by sealing glass.

7. The integrated LD light source of claim 1 or 2, wherein: the base plate is cylindrical, and the outer circumferential surface of the base plate is provided with a connecting structure which is used for installation and positioning and is used for preventing misconnection.

8. The integrated LD light source of claim 7, characterized in that: the connecting structure comprises a rectangular notch and two triangular notches, the two triangular notches are respectively arranged on two sides of the substrate, and the rectangular notch is positioned between the two triangular notches.