CN211062718U

CN211062718U - SMD L ED lamp of three-colour

Info

Publication number: CN211062718U
Application number: CN201921656242.0U
Authority: CN
Inventors: 王凯; 杨光
Original assignee: Guangdong Anpuguang Photoelectric Technology Co ltd
Current assignee: Guangdong Anpuguang Photoelectric Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-21
Anticipated expiration: 2029-09-30

Abstract

the utility model provides a SMD L ED lamp of three-colour, which comprises a support, a housin, square substrate, metal lead group, L ED chipset, the standing groove on the support is arranged in to the substrate, the substrate is equipped with R line district, G line district, B line district and public line district, R line district, G line district, B line district is located the three corner district of substrate respectively, public line district is located another corner district of substrate and extends the extension district to one side of substrate, metal lead group is equipped with the R pin, the G pin, B pin and public pin, each pin respectively with R line district, G line district, B line district and public line district are connected, the support top is arranged in to the casing and covers metal lead group completely, the casing upper surface extends down the chamber that holds of L ED chipset, the L ED chipset includes the R wafer, the G wafer, the B wafer, the one end of each wafer is arranged corresponding line district in through silver-colored glue respectively, the other end passes through bonding gold wire welding in public line district this SMD L lamp ED radiating effect is good, the design, it is simpler to produce.

Description

SMD L ED lamp of three-colour

Technical Field

the utility model relates to a L ED lamp technical field, in particular to SMD L ED lamp of three-colour.

Background

the three-color patch type L ED lamp is small in size, integrates three colors and a whole, so that the structural design of a driving circuit is simpler, the area of a circuit board is saved, and the three-color patch type L ED lamp is particularly favored under the trend of miniaturization and integration.

SUMMERY OF THE UTILITY MODEL

in order to solve the above problem, the application provides a three SMD L ED lamp that radiating effect is good, and concrete implementation is as follows:

A three-color patch type L ED lamp comprises a support, a shell, a square substrate, a metal lead group and an L ED chip group, wherein a placing groove matched with the shape of the substrate is formed in the support, the substrate is placed in the placing groove, the substrate is provided with an R wire area, a G wire area, a B wire area and a public wire area, the R wire area, the G wire area and the B wire area are respectively located in three corner areas of the substrate, the public wire area is located in the other corner area of the substrate, an expansion area extends out of one side of the substrate, the metal lead group is provided with an R pin, a G pin, a B pin and a public pin, one end of the R pin, the G pin, one end of the B pin and one end of the public pin are respectively connected with the R wire area, the G wire area, the B wire area and the public wire area, the other end of the public wire area wraps the support downwards to form a pin structure, the shell is placed above the support and completely covers the metal lead group, an accommodating cavity of the L chip group extends out of the shell, the L chip group comprises an R chip, a G chip and a B chip, one end of the R chip is respectively placed on the LED chip group through a silver adhesive, and the other end of the LED chip group is placed on the LED chip group, and the LED chip group.

In one or more embodiments of the present invention, the metal lead groups are symmetrically disposed along the central line of the support and are grouped in pairs.

In one or more embodiments of the present invention, the accommodating chamber is a columnar structure.

The utility model discloses the beneficial implementation effect who brings is: divide into four line areas with a monoblock substrate to set up the extension district, furthest has improved line area, in certain space and volume, can distribute away the heat that the device produced in the use, reduce the inside heat of device and pile up, effectively reduce the heat damage of device.

Drawings

fig. 1 is a cross-sectional view of a three-color patch type L ED lamp of the present invention;

fig. 2 is a top view of the three-color patch type L ED lamp of the present invention;

fig. 3 is a top view of the substrate of the three-color patch type L ED lamp of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying fig. 1-3 and the embodiments:

A three-color patch type L ED lamp comprises a support 1, a shell 2, a square substrate 3, a metal lead group and an L ED chip group, wherein a placing groove matched with the shape of the substrate 3 is formed in the support 1, the substrate 3 is placed in the placing groove, a bottom plate of the substrate 3 is made of an insulating material, an R wire area 11, a G wire area 12, a B wire area 13 and a common wire area 14 are arranged on the surface of the substrate by methods of corrosion, evaporation and the like, the R wire area 11, the G wire area 12 and the B wire area 13 are respectively located in three corner areas of the substrate 3, the common wire area 14 is located in the other corner area of the substrate 3 and extends out of an expansion area 141 to one side of the substrate 3, the metal lead group is provided with an R pin 41, a G pin 42, a B pin 43 and a common pin 44, the R pin 41, the G pin 42, the B pin 43 and one end of the common pin 44 are respectively connected with the R wire area 11, the G wire area 12, the B wire area 13 and the common wire area 14, the other end of the common wire area wraps the support 1 downwards to form an inner wrapping pin structure, the shell 2 is placed above the support 1 and completely covers the metal lead group, the L chip group comprises an L chip group, a bonding wire 21, a chip group 52, a chip group 21 and a chip group 5, a chip 21, a chip group containing a chip 21, a chip group containing a chip.

four line areas arranged on the substrate 3, namely, a complete surface is divided into 4 line areas, the effective area is utilized to the maximum, the expansion area 141 is positioned between the R line area 11 and the G line area 12 and extends to the common line area 14, the area of the common line area 14 is increased to the maximum, no matter the common cathode or common anode three-color patch type L ED lamp is used for placing a wafer, a large amount of heat is easily generated on the line areas, the size of the device is small, the sealing performance is good, redundant heat is not easily dissipated, the R line area 11, the G line area 12 and the B line area 13 are used for placing the wafer, and the line areas on the substrate 3 are distributed, so that the heat dissipation area can be increased as much as possible in the same limited space, and the heat damage of the L ED chip in the use process is prevented.

For convenience of circuit layout and production, the metal pin groups are grouped into a group two by two and symmetrically arranged along the central line of the support 1, for example, the R pin 41 and the common pin 44 are arranged on the same side of the support 1, and the G pin 41 and the B pin 43 are arranged on the other side of the support 1. The accommodating cavity 21 is set to be cylindrical, so that the light emitting color is more concentrated, and the light condensing performance is better.

The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.

Claims

1. A three-color patch type L ED lamp is characterized by comprising a support, a shell, a square substrate, a metal lead group and an L ED chip group, wherein a placing groove matched with the shape of the substrate is formed in the support, the substrate is placed in the placing groove, the substrate is provided with an R wire area, a G wire area, a B wire area and a public wire area, the R wire area, the G wire area and the B wire area are respectively located in three corner areas of the substrate, the public wire area is located in the other corner area of the substrate, an expansion area extends out of one side of the substrate, the metal lead group is provided with an R pin, a G pin, a B pin and a public pin, one end of the R pin, the G pin, the B pin and the public pin is respectively connected with the R wire area, the G wire area, the B wire area and the public wire area, the other end of the public pin wraps the support downwards to form an inner wrapping pin structure, the shell is placed above the support and completely covers the metal lead group, an L ED chip group extends out of the upper surface of the shell to form an L ED containing cavity, the L ED lamp comprises an R chip, a G chip, a B chip and a bonding wire group, the other end of the R chip is respectively filled with a bonding wire, and a bonding wire area is welded on the LED chip group, and a.

2. the three-color SMD LED lamp according to claim 1, wherein said metal lead groups are grouped two by two and symmetrically arranged along said support centerline.

3. the three-color patch-type L ED lamp as claimed in claim 2, wherein the accommodating chamber has a cylindrical structure.