CN216818368U

CN216818368U - Annular luminous light-emitting diode

Info

Publication number: CN216818368U
Application number: CN202220312549.4U
Authority: CN
Inventors: 方成应; 郝志兵; 杜明珠
Original assignee: Jiangsu Hongguan Photoelectric Technology Co ltd
Current assignee: Jiangsu Hongguan Photoelectric Technology Co ltd
Priority date: 2022-02-16
Filing date: 2022-02-16
Publication date: 2022-06-24
Anticipated expiration: 2032-02-16

Abstract

The utility model discloses an annular light-emitting diode which comprises a glass fiber board, a circuit, an electrode, an LED chip, pins, a light-emitting layer and a light-blocking layer, wherein the circuit is arranged on the upper surface of the glass fiber board, the electrode connected with the circuit is arranged on the bottom surface of the glass fiber board, the LED chip is arranged in the center of the upper surface of the glass fiber board, the LED chip is electrically connected with the circuit through the pins, the light-emitting layer covers the upper surface of the glass fiber board, the light-blocking layer covers the upper surface of the light-emitting layer, and the light-emitting layer is clamped between the light-blocking layer and the glass fiber board so that the peripheral surface of the light-emitting layer forms a circle of annular light-emitting surface. By adopting the mode, the utility model provides the annular luminous light-emitting diode which adopts the blue-white light waveband chip as a light source, realizes annular display luminescence by primary fluorescent rubber cake mould pressing packaging and secondary black rubber cake mould pressing packaging and utilizing an advanced high-precision mould.

Description

Annular luminous light-emitting diode

Technical Field

The utility model relates to the field of LEDs, in particular to an annular light-emitting diode.

Background

The general SMD LED products realize both a surface light source and a point light source, and cannot realize an annular display light source due to the packaging process.

In the current market, a blue-white band chip is adopted to excite a surface light source white light through fluorescent powder, or a black encloser with through holes is packaged to emit a point light source white light; the light color of the light emitting surface is uneven in the mode, the color difference exists between the light emitting surface area of the chip and other excitation light emitting areas (halos) of the colloid, annular light emitting display cannot be achieved, and the adverse phenomenon is brought to terminal client application.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem of providing an annular luminous light-emitting diode, which adopts a blue-white light waveband chip as a light source, realizes annular display luminescence by primary fluorescent rubber cake mould pressing packaging and secondary black rubber cake mould pressing packaging and utilizing an advanced high-precision mould so as to solve the luminous color difference and solve the limitation caused by the application of the conventional surface light source and point light source.

In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides an annular luminous emitting diode, including glass fiber board, circuit, electrode, LED chip, pin, luminescent layer, light barrier, glass fiber board's upper surface is provided with the circuit, glass fiber board's bottom surface is provided with connecting circuit's electrode, glass fiber board's upper surface centre is provided with the LED chip, the LED chip passes through pin electric connection the circuit, glass fiber board's upper surface covers there is the luminescent layer, the upper surface of luminescent layer has the light barrier, the luminescent layer presss from both sides the light barrier with between the glass fiber board so that the outer peripheral face of luminescent layer forms round annular light emitting area.

In a preferred embodiment of the present invention, the light emitting layer is an epoxy resin fluorescent glue cake.

In a preferred embodiment of the present invention, the light-blocking layer is an epoxy resin black rubber cake.

The utility model has the beneficial effects that: the utility model provides an annular luminous light-emitting diode, which adopts a blue-white light waveband chip as a light source, realizes annular display luminescence by primary fluorescent rubber cake mould pressing packaging and secondary black rubber cake mould pressing packaging and utilizing an advanced high-precision mould so as to solve the luminous color difference and solve the limitations brought by the application of a conventional surface light source and a conventional point light source.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a block diagram of a preferred embodiment of a ring light emitting diode of the present invention;

FIG. 2 is a cross-sectional view of a preferred embodiment of a ring light emitting diode of the present invention;

FIG. 3 is a process flow diagram of a preferred embodiment of a ring light emitting diode according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, embodiments of the present invention include:

the utility model provides a luminous emitting diode of annular, includes glass fiber board 1, circuit 2, electrode 3, LED chip 4, pin 5, luminescent layer 6, light barrier 7, the upper surface of glass fiber board 1 is provided with circuit 2, the bottom surface of glass fiber board 1 is provided with connecting circuit 2's electrode 3, the upper surface centre of glass fiber board 1 is provided with LED chip 4, LED chip 4 passes through 5 electric connection of pin circuit 2, the upper surface of glass fiber board 1 covers there is luminescent layer 6, the upper surface of luminescent layer 6 covers has light barrier 7 entirely, luminescent layer 6 presss from both sides light barrier 7 with between the glass fiber board 1 so that the outer peripheral face of luminescent layer 6 forms round annular light emitting area.

Wherein, the luminous layer 6 is epoxy resin fluorescent glue cake.

Further, the light blocking layer 7 is an epoxy resin black rubber cake.

As shown in fig. 3, which is a process flow diagram of the light emitting diode of the present application, when production is performed, a high-precision die bonder is used to fix the LED light source chip at the center of the light emitting surface of the finished product, i.e., the center of the glass fiber plate 1, and the precision can be controlled to be 5um, so that the distances from the LED light source chip to the edge of the annular light emitting surface are all kept consistent, and light emitting color difference caused by distance factors is prevented; and performing mould pressing packaging twice by using the fluorescent rubber cakes and the black rubber cakes through a high-precision mirror surface mould, exciting white light by using the fluorescent rubber layer, and blocking a front luminous surface by using the black rubber layer to enable light color to be emitted from the periphery of the side surface.

The product has the innovation points that:

1. the high-precision die bonding position enables the distances between the light source chip and the periphery of the light emitting surface to be consistent;

2. the special twice molding packaging process blocks the front side light color which influences the light emitting color, realizes annular display light emitting, and has uniform light emitting color.

In summary, the present invention provides an annular light emitting diode, which uses a blue-white band chip as a light source, and realizes annular display light emission by a primary fluorescent rubber cake mold pressing package, a secondary black rubber cake mold pressing package, and an advanced high precision mold, so as to solve the difference of light emitting colors and solve the limitations of conventional "surface light source" and "point light source" in application.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an annular luminous emitting diode, its characterized in that includes glass fiber board, circuit, electrode, LED chip, pin, luminescent layer, the layer of being in the light, glass fiber board's upper surface is provided with the circuit, glass fiber board's bottom surface is provided with connecting circuit's electrode, glass fiber board's upper surface positive center is provided with the LED chip, the LED chip passes through pin electric connection the circuit, glass fiber board's upper surface covers has the luminescent layer, the upper surface of luminescent layer covers has the layer of being in the light entirely, the luminescent layer presss from both sides the layer of being in the light with make between the glass fiber board the outer peripheral face of luminescent layer forms round annular light emitting area.

2. An annular light-emitting diode according to claim 1, wherein the light-emitting layer is an epoxy resin phosphor paste.

3. An annular light-emitting diode according to claim 1, wherein the light blocking layer is an epoxy black glue cake.