TW499745B - Laser diode package - Google Patents

Abstract

Three LEDs, a red, a blue and a green, are mounted in a cup recessed in a substrate. Light reflected from the walls of the cup is directed toward the viewer in front of the LED and is intensified. A lens can be imbedded in the cover of the package to further intensify the light. The light intensity of each LED can be adjusted to produce any color. In another embodiment, the cup is filled with phosphorescent material which emits a colorless light when the blue LED is excited.

Description

499745 V. Description of the invention (1) Packaging of light-emitting diodes (Additional 2) 1. Abstract

Traditional light-emitting diode packaging using a printed circuit board as a packaging substrate is a flat packaging design without a light-condensing base. The present invention is to design a printed circuit board substrate with a light-concentrating base, so that The light-emitting diode placed in it has the design of a light-concentrating base, and the light of the light-emitting diode is more concentrated due to the light-condensing effect, showing a light-emitting diode that is brighter than conventional light-emitting diodes. package. 2. Background note

Referring to FIG. 1, this is a conventional technique of packaging of a light emitting diode 1 3 0. The light emitting diode 1 3 0 is fixed on a printed circuit board substrate 1 1 0, and the light emitting diode 1 3 0 has a first The I / O terminal 131 and the second I / O terminal 132 are formed by etching a conductive material on the printed circuit board substrate 110 to generate a pre-designed circuit pattern, and at least the first electrode 121 and the second electrode 122 are included. The light emitting diode 130 has a first input / output terminal 131 and a second input / output terminal 132, which are coupled to the first electrode 1 2 1 and the second electrode 1 2 2 through wires 1 3 3 respectively. Finally, the colloid 1 99 is coated and sealed to fix the light-emitting diode 1 30, the first electrode 1 3 1, the second electrode 1 3 2, and the lead 1 3 3 on the printed circuit board substrate 1 1 0. Finish packaging.

Page 4 499745 V. Description of the invention (2)

In this conventional packaging of the light-emitting diode 130, the light emitted by the light-emitting diode 130 is scattered in all directions. Therefore, for the vision of the observer in front, the intensity of the light source is scattered. Therefore, a weak light source intensity is present. Referring to FIG. 2 and FIG. 3, the present invention is to make a cup-shaped base on a printed circuit board substrate 110, and then place a light-emitting diode therein. In this way, the cup-shaped base has a light-concentrating effect and can scatter light The surrounding light is diverted, so that the light is focused towards the front of the cup holder. Therefore, as far as the vision of the front observer is concerned, the same light emitting diode light source can be packaged with the light-concentrating design of this product to obtain a strong light-emitting diode. Polar body packaging. 3. Schematic diagram 1 Known technique FIG. 2 Packaging embodiment of the light-emitting diode with a light-concentrating base according to the present invention 1 FIG. 3 Packaging embodiment of the light-emitting diode with a light-concentrating base according to the present invention Inventive example of a curved cap package Fig. 5 Example of a colloidal package of the invention Fig. 6 Example of a transparent flat package of the invention

Figure 7 Example of mass production of transparent flat plate package with lens Figure 8 Example of rectangular cap package of the invention Figure 9 Example of rectangular cap package with lens of the invention Figure 10A is the "color light" of the invention Side view of packaging of light emitting diode

5. Explanation of the invention on page 5 (3)! Γ—for a ΐ! Ming, "color light" "top view of the packaging of light-emitting diodes" eleven A is the light-emitting diode that can emit "colorless light" described in this description The package of the light-emitting diode of the body is shown in Figure 11. β is the invention which can be issued "benefit soil-equipment 4 · For a detailed description of the invention, please refer to Figure 2 'The light-emitting diode with a base of the invention Package Example 1. The present invention is to make a cup "base 2 2 0" on a printed circuit board substrate 11 and then place a light emitting diode 2 3 0 therein. Thus, a 1 t ^ cup base It has a light-concentrating effect, which can divert the light scattered around the periphery, so that the light is focused towards the front of the cup holder. Therefore, the vision of the observer in front is the same. The same light-emitting diode light source 2 3 0 passes through this product. Concentrated design of 1 package, 7 can get stronger light-emitting diodes 2 3 0 packaging. ° ^ light-emitting diodes 23 0 fixed to the printed circuit board substrate 2 1 0 cup base 2 20 of In the light-emitting diode 230, there is a first input / output terminal 231 and a second input / output terminal 2 3 2, a printed circuit. A conductive material is produced on the substrate 2 10 in a engraved manner ^ A pre-designed circuit pattern includes at least a first electrode 221 and a second electrode 222. The light emitting diode 230 has a first input / output terminal 231 and a first The two I / O terminals 2 3 2 ′ are respectively peeled to the first electrode 221 and the second electrode 222 through the wire 2 3 3. Finally, the gel 299 is coated and sealed.

499745 V. Description of the invention (4) and the light-emitting diode 230, the first electrode 231, the second electrode 232, and the wires 2 3 3 are packaged on the printed circuit board substrate 2 10. Referring to Fig. 3, a packaging implementation of a light emitting diode with a base according to the present invention is implemented. The light-emitting monopole 3 3 0 is fixed in the cup-shaped seat 320 on the printed circuit board substrate 3 1 0. The surface of the cup-shaped base 320 contains a metal conductive material, which has an excellent reflection effect on light through the smooth surface of the metal. It can raise the light-concentrating effect of the cup-shaped base 320. The light-emitting diode 33 has a first output = 331 and a second At the input / output terminal 33 2, the printed circuit board substrate 31 0 has a circuit pattern generated / designed first, and s less includes an f two electrode 321 and a second electrode 32 2. The light emitting diode 33 and the first input / output terminal 331 are coupled to the first electrode 33 via a wire 3 3 3. The second input / output terminal 3 3 2 is directly lit! η The first-electrode 331, the second electrode 3 32, and the packaging are completed on the light-emitting diode 33 and the substrate 3 10. 3. This 3 3 3 is shown in Figure 4 on the printed circuit board. It is the sealant of the present invention. Another alarm can be a rectangular cap. The cap is directly covered and fixed. The arc cap 499 (also the substrate 3 1 0 The purpose of the above components. The arc-shaped cap 材 ^ 3 3 0, to achieve the protection of multiple units connected to each other, in the appropriate volume 9 can be a stamped sheet cover on the base 3 1 0 hundreds to several ^ After the coating is applied, the cap packaging process is completed for all units. Once on the solid product unit

Page 7 says "J Duozheng '/ vi No. 86 Tu 7, Twenty-fifth, the description of the invention (5) See Figure 5 for the sealant of this invention > ^ " ~ comprehensive sealant technology, which is in mass production 栌f For a detailed example, the colloid 5 9 9 is adopted to several product units, and the full: up: sheet substrate 3] is used. There are hundreds of glue processes on it. The lip completes the sealing of all the units at once. Refer to FIG. 6, which is the sealant of the present invention ~~ The pillar 602 coated with adhesive is fixed ^-According to the embodiment, the transparent flat plate 699 is borrowed from the substrate 310 to several hundred to several.仟 个 ^. Two transparent flat 699 full-piece cover units. As early as 70, complete all at once. As shown in Figure 7, the transparent flat plate 799 is on the lens 702, so that the product can be used in the light. The state of the lens element is fixed and adhered to the pillars. The entire piece is coated with adhesive surfaces of hundreds to several product units, and a cover is mounted on the substrate 310 for the manufacturing process. People 70% of all units are capped. See FIG. 8 ′, which is the shape of the rectangular material 3i0m of the present invention, and directly covers and fixes a few pieces on the base material 3 10 to complete the packaged product. 2: i ′ is the present invention: an embodiment of a rectangular cap package with a lens, #, see the rectangular cap 999 has a cap of lens 902, which directly covers the solid: two earth? The upper elements of 310 'complete the packaged product. Lens 902 can be made into a condensing or astigmatic lens. 499745 V. Description of the invention (6) See Fig. 10A for a side view of the packaging of the "color light" light-emitting diode of the present invention. The light-emitting diode R, the light-emitting diode G, and the light-emitting diode B are fixed to a cup-shaped base 1 2 0 2 0 on a printed circuit board substrate 10 2. The surface of the cup-shaped base 1020 contains a metal conductive material 1022. The light-condensing and reflecting effect of the smooth surface of the metal can enhance the light-condensing effect. The light-emitting diode R has a first output-input terminal 1031R and a second output-input terminal 1 0 3 2 R; the light-emitting diode G has a first output-input terminal 1031G and a second output-input terminal 1 0 3 2 G; the light-emitting diode B has a first input-output terminal 1031B and a second output-input terminal 1 0 3 2B. A conductive material is etched on the printed circuit board substrate 10 to produce a pre-designed circuit pattern, which includes at least three first electrodes 1021R (not shown), 1021G, 1021B, and a common electrode second electrode. 1 0 2 2 0 The light emitting diode R has a first input / output terminal 1031R coupled to the first electrode 1021R (not shown in the figure) via a wire i〇33R, and the second input / output terminal 1032R of the light emitting diode r is directly adhered. A second electrode 1022 coupled to the common electrode. The light-emitting diode G has a first input-output terminal 1 03 1G coupled to the first electrode 1021G via a wire 1 0 3 3G, and the second output-input terminal 1032G of the light-emitting diode G directly adheres to the first electrode connected to the common electrode. Two electrodes 1022.

499745. Description of the invention (7) The light-emitting diode B has a first input-output terminal i〇31B coupled to the second electrode 1021B via a wire 1 0 3 3B, and the second output-input terminal 1032B of the light-emitting diode B is directly adhered to the 藕The second electrode 1022 connected to the common electrode. ^ ^ B is a top view of the "color light" light emitting diode packaging of the present invention. The diode R has a first input / output terminal 1 0 3 1 R coupled to a first electrode 1021R via a wire 1 0 3 3R. The light emitting diode G has a first input / output terminal 1031G coupled to a first electrode 1021G via a wire 1033G. The light emitting diode B has a first input / output terminal 1031B coupled to a first electrode 1021B via a wire 1033B. Another control circuit (not shown in the figure) controls the light-emitting diode R, the light-emitting diode G, and the light-emitting diode b respectively; thus, the intensity of the three primary colors of rgB can be adjusted to emit static or dynamic colored light. Refer to FIG. 11A, which is a first embodiment of a packaging of a light-emitting monopolar body that can emit "colorless light" according to the present invention. The light emitting diode is fixed in a cup-shaped base 1120 on the printed circuit board substrate 1110. The surface of the cup-shaped base 1120 contains a metal conductive material η 22. By virtue of the excellent reflection effect of light on the smooth surface of the metal, the light-concentrating effect of the cup-shaped base 1120 can be improved. The light-emitting diode 1130 has a first input / output terminal 1131 And the second input / output terminal 11 3 2, a conductive material on the printed circuit board substrate 丨 i 丨 〇 is etched to generate a pre-set circuit pattern 'at least including the first electrode 1121, and

Page 10 V. Description of the invention (8) 112g of the second electrode. The light-emitting diode 113 has a first input-output terminal 1131 coupled to the first electrode via a wire 1 1 3 3, and the second output-input terminal 1132 of the light-emitting diode 丨 3 is directly bonded to the first electrode. Second electrode 1122. Fluorescent material that can emit colorless light after stimulation with #g energy 丨 3 5 or mixed with material to enhance the effect of dryness, fill it into the metal cup 丨 丨 2 2 and emit light through the light-emitting diode 11 3 0 It can excite the fluorescent material 丨 3 5 and release "colorless light". Since the fluorescent material 1135 is translucent, it does not significantly affect the light-concentrating effect of the metal cup 1 1 2 2.

Referring to FIG. 11B ′, it is a second embodiment of a packaging of a light-emitting diode that can emit “colorless light” (collar 1 ght) according to the present invention. The light-emitting diodes are fixed in a cup-shaped base on the substrate of the printed circuit board. The surface of the cup-shaped base 1120 contains a metal conductive material 1] L 22. By virtue of the excellent reflection effect of the smooth surface of the metal on the light, the light-concentrating effect of the cup-shaped base 1 2 1 2 can be improved. An input / output terminal 1131 and a second input / output terminal 1 1 3 2; a conductive material on the printed circuit board substrate 丨 丨 0 is etched to generate a pre-designed circuit pattern, and at least includes a first electrode 丨 丨 2 1. And first electrode 1122. The light-emitting diode H30 has a first round input / output terminal U31 coupled to the first electrode 1121 through a wire 1133, and a second output-input terminal 1132 of the light-emitting diode 113 ° is directly bonded to the second electrode 1122.

A fluorescent material 1 1 3 5 a that can emit colorless light after being stimulated with energy is filled into a metal cup 1 1 2 2. 11 3 5b uses a transparent dead material.

Page 11 499745 V. Description of the invention (9) Fill the metal cup 11 2 2 so that as long as the surface area of 1 1 3 5 b is coated with the fluorescent material 1 1 3 5 a, it can save the fluorescent material 1 1 3 5 The use of a; the light emitted by the light emitting diode 1 1 3 0 can excite the fluorescent material 11 3 5 and release "colorless light". Since the fluorescent material 1135 is translucent, it does not significantly affect the metal cup 1 1 2 2 light-gathering effect.

The invention technology of this case has been described by the above-mentioned embodiments. However, the embodiments are only for illustrating the invention technology of this case. The patent applicant of this case does not limit the scope of the rights of this case to these embodiments. Anyone who is familiar with the technology of this industry Persons who have made changes or modifications to the foregoing embodiments without departing from the spirit of the inventive technique of the present case, as well as the technical scope described in the scope of the patent application below, are the scope of the patent applicant's rights in this case.

Page 12

Claims (1)

499745-Case No. 86118870A02 Month / Day ° Sixth, the scope of patent application 1 · A package of color light-emitting diodes, including: red light-emitting diode (R), green light-emitting diode (G), and blue Color light emitting diode (B); and a printed circuit board substrate having a metal cup-shaped base for placing the aforementioned light emitting diode RGB; and in a circuit pattern on the surface of the aforementioned printed circuit board substrate, making There are three first electrodes and a common second electrode; the aforementioned light-emitting diodes R, G, and B each have a first input / output terminal and are respectively coupled to the aforementioned three first electrodes; and a second output / input terminal Coupled to the aforementioned common second electrode. 2. A packaging capable of emitting colorless diodes, comprising a printed circuit board substrate having a cup-shaped base for placing the aforementioned light emitting diode; and a substrate on the surface of the aforementioned printed circuit board substrate In the circuit pattern, a first electrode and a second electrode are fabricated; the aforementioned light emitting diode has a first input / output terminal and a second input / output terminal, which are respectively combined with the aforementioned first electrode and second electrode; a metal layer, Formed in the aforementioned cup-shaped base to form a metal cup-shaped light-collecting function; Page 14 499745 6. Scope of patent application Fluorescent materials are coated on the light path t of the aforementioned light-emitting diodes, and the colorless light sources are stimulated by the light sources emitted by the aforementioned light-emitting diodes. 3. The packaging of a diode that can emit colorless light as described in item 2 of the scope of patent application, further comprising: a transparent filling material filled in the aforementioned metal cup; the fluorescent light described therein The material is applied on the upper surface of the transparent filling material. 4. A light-emitting diode package as described in item 2. of the scope of patent application, wherein the fluorescent material is filled in the aforementioned metal cup. 5. The packaging of a light-emitting diode according to the above item, wherein the fluorescent material may be mixed with other transparent filling materials and filled in the aforementioned metal cup in order to save the use of the fluorescent material. Page 14