Double-layer dispensing support and LED package

Abstract

The package comprises a support and an LED chip, the support comprises a plastic frame and a bottom plate arranged at the bottom of the plastic frame, the bottom plate comprises a first electrode plate, a second electrode plate and an insulating tape, a lower layer cup is formed on the lower layer of the plastic frame, and an upper layer cup is formed on the upper layer of the plastic frame. The LED chip is fixedly arranged on the bottom plate and is positioned in the lower-layer cup; the inner wall surface of the lower-layer cup is perpendicular to the bottom plate, and the inner wall surface of the upper-layer cup is zigzag; the lower layer cup is filled with red fluorescent glue, the upper layer cup is filled with green fluorescent glue, and the green fluorescent glue covers the top face of the red fluorescent glue. According to the principle, red fluorescent glue is dispensed on the lower-layer cup, green fluorescent glue is dispensed on the upper-layer cup, the inner wall face of the upper-layer cup is a vertical face, the problem of glue creeping during glue dispensing is solved, and glue dispensing uniformity and color temperature concentration degree are improved; and the inner wall surface of the upper-layer cup is sawtooth-shaped, so that a permeation path is prolonged, the permeation path is roundabout, and the air tightness and the anti-permeation performance of a finished product are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of LEDs, in particular to a double-layer glue dispensing bracket and an LED package. Background Art

[0002] The existing double-layer glue-dispensing LED package includes a cup-in-cup structure and a bowl-cup bracket. The bottom layer is doped with red fluorescent glue, and the upper layer is doped with green fluorescent glue. Since the inner wall of the lower cup is an inclined surface, when the red fluorescent glue is applied, the glue will creep along the inclined surface, resulting in uneven glue application and the problem of discrete color temperature in the finished product. In addition, the inner wall of the upper cup is a smooth surface, and its airtightness is insufficient. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a double-layer glue dispensing bracket and LED package, improve the glue dispensing creeping problem, enhance the glue dispensing uniformity and color temperature concentration; enhance the air tightness and anti-penetration performance of the finished product.

[0004] In order to solve the above technical problems, one of the technical solutions of the utility model is: a double-layer glue dispensing bracket, including a plastic frame and a bottom plate arranged at the bottom of the plastic frame, the bottom plate includes a first electrode plate, a second electrode plate and an insulating tape, the lower layer of the plastic frame forms a lower cup, the upper layer of the plastic frame forms an upper cup, the inner wall surface of the lower cup is perpendicular to the bottom plate, and the inner wall surface of the upper cup is serrated. Principle of the utility model: red fluorescent glue is applied to the lower cup, green fluorescent glue is applied to the upper cup, the inner wall surface of the upper cup is a vertical surface, which improves the glue dispensing creeping problem, improves the glue dispensing uniformity and color temperature concentration; the inner wall surface of the upper cup is serrated, which extends the penetration path, and the penetration path is circuitous, which improves the air tightness and anti-penetration performance of the finished product.

[0005] As an improvement, the height of the lower cup is 0.25 mm, and the height of the upper cup is 0.25 mm.

[0006] As an improvement, the inner wall surface of the upper cup is composed of a plurality of pointed teeth which are distributed in a stepped manner and connected to each other, the tips of the pointed teeth are facing upward, and tooth grooves are formed between adjacent pointed teeth.

[0007] In order to solve the above technical problems, the second technical solution of the utility model is: a double-layer glue-dispensing LED package, including a bracket and an LED chip, the bracket includes a plastic frame and a bottom plate arranged at the bottom of the plastic frame, the bottom plate includes a first electrode plate, a second electrode plate and an insulating tape, the lower layer of the plastic frame forms a lower cup, the upper layer of the plastic frame forms an upper cup, the LED chip is fixed on the bottom plate and located in the lower cup; the inner wall surface of the lower cup is perpendicular to the bottom plate, and the inner wall surface of the upper cup is serrated; the lower cup is filled with red fluorescent glue, and the upper cup is filled with green fluorescent glue, and the green fluorescent glue covers the top surface of the red fluorescent glue. Principle of the utility model: the lower cup is dotted with red fluorescent glue, and the upper cup is dotted with green fluorescent glue. The inner wall surface of the upper cup is a vertical surface, which improves the glue-dispensing creeping problem, improves the glue-dispensing uniformity and color temperature concentration; the inner wall surface of the upper cup is serrated, which extends the penetration path, and the penetration path is circuitous, which improves the air tightness and anti-penetration performance of the finished product.

[0008] As an improvement, the height of the lower cup is 0.25 mm, and the height of the upper cup is 0.25 mm.

[0009] As an improvement, the inner wall surface of the upper cup is composed of a plurality of pointed teeth which are distributed in a stepped manner and connected to each other, the tips of the pointed teeth are facing upward, and tooth grooves are formed between adjacent pointed teeth.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] The lower cup is dotted with red fluorescent glue, and the upper cup is dotted with green fluorescent glue. The inner wall of the upper cup is a vertical surface, which improves the glue creeping problem, improves the glue uniformity and color temperature concentration; the inner wall of the upper cup is serrated, which extends the penetration path and makes the penetration path circuitous, thereby improving the air tightness and anti-penetration performance of the finished product. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a cross-sectional view of the bracket.

[0013] Figure 2 This is a cross-sectional view of the package. Implementation

[0014] The utility model will be further described below in conjunction with the accompanying drawings.

[0015] like Figure 1 , 2As shown, a double-layer dispensing LED package includes a bracket and an LED chip. The bracket is a cup-in-cup bracket, which includes a plastic frame and a bottom plate arranged at the bottom of the plastic frame, and the bottom plate and the plastic frame are integrally injection molded; the bottom plate includes a first electrode plate 1, a second electrode plate 2 and an insulating tape 3, and the first electrode plate 1 and the second electrode plate 2 are isolated and insulated by the insulating tape 3; the lower layer of the plastic frame forms a lower layer cup 4, the inner wall surface 41 of the lower layer cup 4 is perpendicular to the bottom plate, and the height of the lower layer cup 4 is 0.25mm, which is greater than the height of the LED chip; the upper layer of the plastic frame forms an upper layer cup 5, the inner wall surface 51 of the upper layer cup 5 is serrated, the height of the upper layer cup 5 is 0.25mm, and the inner wall surface 51 of the upper layer cup 5 is composed of a number of stepped distributed and interconnected sharp teeth, the tips of the sharp teeth face upward, and tooth grooves are formed between adjacent sharp teeth. The LED chip 8 is fixed on the second electrode plate 2 and located in the lower cup 4. The LED chip 8 is a positive chip and is connected to the first electrode plate 1 through a bonding wire. The lower cup 4 is filled with red fluorescent glue 6, and the upper cup 5 is filled with green fluorescent glue 7. The green fluorescent glue 7 covers the top surface of the red fluorescent glue 6.

[0016] Principle of the utility model: There are 4 points of red fluorescent glue on the lower cup, and 5 points of green fluorescent glue on the upper cup. The inner wall surface of the upper cup 5 is a vertical surface, which improves the problem of glue creeping during glue dispensing and improves the uniformity of glue dispensing and the concentration of color temperature. The inner wall surface of the upper cup 5 is serrated, which extends the penetration path, and the penetration path is circuitous, which improves the air tightness and anti-penetration performance of the finished product.

Claims

1. A double-layer dispensing bracket, comprising a plastic frame and a bottom plate arranged at the bottom of the plastic frame, wherein the bottom plate comprises a first electrode plate, a second electrode plate and an insulating tape, wherein the lower layer of the plastic frame forms a lower layer cup, and the upper layer of the plastic frame forms an upper layer cup, characterized in that: The inner wall surface of the lower cup is perpendicular to the bottom plate, and the inner wall surface of the upper cup is serrated.

2. A double-layer glue dispensing bracket according to claim 1, characterized in that: The height of the lower cup is 0.25 mm, and the height of the upper cup is 0.25 mm.

3. The double-layer glue dispensing bracket according to claim 1, characterized in that: The inner wall surface of the upper cup is composed of a plurality of pointed teeth which are distributed in a stepped manner and connected to each other, the tips of the pointed teeth face upward, and tooth grooves are formed between adjacent pointed teeth.

4. A double-layer glue-dispensing LED package, comprising a bracket and an LED chip, wherein the bracket comprises a plastic frame and a bottom plate arranged at the bottom of the plastic frame, wherein the bottom plate comprises a first electrode plate, a second electrode plate and an insulating tape, wherein the lower layer of the plastic frame forms a lower layer cup, and the upper layer of the plastic frame forms an upper layer cup, wherein the LED chip is fixed on the bottom plate and is located in the lower layer cup; characterized in that: The inner wall surface of the lower cup is perpendicular to the bottom plate, and the inner wall surface of the upper cup is serrated; the lower cup is filled with red fluorescent glue, and the upper cup is filled with green fluorescent glue, and the green fluorescent glue covers the top surface of the red fluorescent glue.

5. The double-layer glue-dispensing LED package according to claim 4, characterized in that: The height of the lower cup is 0.25 mm, and the height of the upper cup is 0.25 mm.

6. The double-layer glue-dispensing LED package according to claim 4, characterized in that: The inner wall surface of the upper cup is composed of a plurality of pointed teeth which are distributed in a stepped manner and connected to each other, the tips of the pointed teeth face upward, and tooth grooves are formed between adjacent pointed teeth.

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