CN2802727Y

CN2802727Y - Improved structure of color mixture point matrix LED

Info

Publication number: CN2802727Y
Application number: CN 200520110413
Authority: CN
Inventors: 陈天宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-06-23
Filing date: 2005-06-23
Publication date: 2006-08-02
Anticipated expiration: 2015-06-23

Abstract

The utility model relates to an improved structure of a color mixture point matrix LED, which mainly comprises a plurality of thin LED, a circuit board, a transparent glue layer, and a casing body, wherein the thin LED is connecting pin crystals which have the same brightness levels and different colors and are sealed with thin casings at the external appearances in advance. A plurality of jacks are distributed at intervals on the circuit board, supply the connecting pin crystals with thin casings to insert and use different color combining groups to distribute into a matrix. The transparent glue layer is coated at the outer part of the circuit board, and the LED crystal positions over against each different color combining group are provided with protruding posts. The casing body is a concave body with a unidirectional opening, the bottom thereof is provided with point matrix through holes corresponding to the protruding posts. Thus, the inwards sealed LED passes through independent color separation and light separation so as to have the same brightness level, and manufactured point matrix LED have good color mixing effect; moreover, a supporting frame is arranged at the lower part and the effect of heat dispersion can be effectively improved.

Description

Colour mixture dot matrix LED improves structure

Technical field

Improvement on the relevant colour mixture dot matrix of the utility model light-emitting diode, especially the LED that refers to a kind of interior envelope can have the same brightness grade through independent color separation beam split earlier, make the dot matrix LED colour mixture effect of making splendid, and beneathly be provided with the colour mixture dot matrix LED that support can effectively improve radiating effect again and improve structure.

Background technology

Press, in very long one period in past, LED all just is used on traffic sign and the alarm clock.Its brightness now enough has been used on the high-order electronic equipment such as flat-surface television, future, remove the LED portable projector that may be applied to hand size, present stage, the most direct can the raising in the image quality brightness outdoor large TV and horse race lamp had obvious help, thus to consumer, electronics corporation and LED manufacturer all will so benefited.

Because its profit for output value is considerable, in the industry cycle constantly actively research and develop down, derive many patents and got permission case, for example, disclosed TW591811 number a kind of colour mixture light-emitting diode (Light Emitting Diode; LED), comprise at least: one first electrode, this first electrode tool one first is electrical; One first LED wafer is positioned on this first electrode; One second LED wafer is positioned on this first LED wafer of a part; One second electrode, this second electrode tool one second is electrical, and this second electrode is positioned on this first LED wafer of another part; One third electrode, this is first electrical for this third electrode tool, and this third electrode is positioned on this second LED wafer of a part; And one the 4th electrode, this is second electrical for the 4th electrode tool, and the 4th electrode is positioned on this second LED wafer of another part.

Known again dot matrix LED, mainly comprise: a shell is covered with the emitting led crystal of establishing at interval in it, and face is provided with pin in a row in addition, so that external control power supply, and traditional all-colour LED is meant the wafer of three kinds of wavelength of RGB, it is interior as pcb board or support that set is formed in a carrier, sees through the LED that three kinds of wafer glow colors blend full-color light, yet have following shortcoming in its manufacturing:

Because the wafer of three kinds of wavelength because of the deviation of brightness or wavelength, every kind of wafer can be divided into 6 grades according to its brightness, three kinds of wafers mix the group colors promptly 6 * 6 * 6=216 kind grade, and can't produce the all-colour LED of unified standard three looks (RGB).

Because three wafer collection at a carrier or be implanted on the PCB, make its very difficult efficiently radiates heat, the thermal effect that causes three wafer Yin Wendu to raise makes its all-colour LED decay because of luminosity, each wafer degree of decay differs, so be difficult to obtain colourity unanimity and the even good all-colour LED of brightness.

3. because three wafers have been integrated into a carrier or have been implanted on the PCB,, promptly be difficult to repair and replacement, so the yields of whole finished product can't effectively improve if independent die failure is arranged.

Cause is in view of case before above-mentioned and the existing shortcoming of known dot matrix LED, and the utility model people succeeds in developing the utility model finally after furtheing investigate in many ways, design, test and improveing.

Novel content

Main purpose of the present utility model, provide a kind of in the LED of envelope can earlier have the same brightness grade through independent color separation beam split, make the light-emitting diode colour mixture effect of making splendid, and beneathly be provided with the colour mixture dot matrix LED that support can effectively improve radiating effect again and improve structure.

For reaching aforesaid purpose, the designed a kind of colour mixture dot matrix LED of the utility model improves structure, it is characterized in that, comprises that several have the same brightness grade, different quality, the pre-envelope of appearance has shell to have thin type LED, a circuit board, a substratum transparent and a shell body of pin;

Have several jacks of pegging graft for described several thin types LED pin spaced apart on this circuit board, described several thin types LED is dot matrixs different and that the colour cell group distributes;

This substratum transparent is coated on the circuit board outside, and its LED crystal place different over against each and the colour cell group has protruded stigma; And

This shell body is a unidirectional opening concave body, and its bottom has the dot matrix perforation with respect to protruded stigma.

In view of the above, the LED of envelope can earlier have the same brightness grade through independent color separation beam split in making, and make the dot matrix LED colour mixture effect made splendid, and the beneath support that is provided with again can effectively improve radiating effect.

Description of drawings

Fig. 1: the stereogram that is plugged with three-color LED on the utility model circuit board.

Fig. 2: the combination view that the utility model encapsulation is finished.

Fig. 3: the stereo appearance figure that the utility model encapsulation is finished.

Fig. 4: the utility model three-color LED is the schematic diagram that the product shape distributes.

Fig. 5: the utility model three-color LED can be loaded on the three-dimensional exploded view of support earlier.

Fig. 6: the schematic diagram of conveniently replaced wafer when the utility model is made.

Fig. 7: the utility model LED surface envelope is established another embodiment schematic diagram of protruded stigma.

Embodiment

For enabling further to understand constitution content of the present utility model and other characteristics, lift the utility model now than specific embodiment, and the embodiment of conjunction with figs. describes as described below in detail.

As Fig. 1～shown in Figure 6, the designed a kind of colour mixture dot matrix LED of the utility model improves structure, and it mainly comprises:

Several thin types LED1 is for having the same brightness grade, different quality, the pre-pin crystal that shell 11 is arranged that seals of appearance;

One circuit board 2 which is provided with several jacks 21 spaced apart, pegs graft for several thin types LED pin 12, is scattered in a dot matrix with difference and colour cell group;

One substratum transparent 3 is coated on circuit board 2 outsides, and its LED1 place different over against each and the colour cell group is provided with protruded stigma 31; And

One shell body 4 is a unidirectional opening concave body, and its bottom is provided with the dot matrix perforation 41 with respect to protruded stigma 31;

In view of the above, make the light-emitting diode colour mixture effect of making good, the LED of interior envelope can independent color separation beam split have the same brightness grade.

During enforcement, this protruded stigma 31 can be dome-shaped or ellipticity, and can give prominence to the dot matrix perforation 41 of shell body 4.

In addition, circuit board 2 every bit matrix positions are provided with six jacks 21 during manufacturing, and it is arranged evenly to make three the red, green, blue thin-type LEDs 1 of can pegging graft on it be the product shape.And for example shown in Figure 5, also can assemble earlier on the jack platform 51 that is plugged in a support 5 under this product shape three red, green, blue thin-type LEDs 1 arranged evenly.

And for example shown in Figure 2, this protruded stigma 31 can be each LED1 different and the colour cell group of dome-shaped (or ellipticity) whole coating, or as shown in Figure 7, the prominent upper surface that is bonded at LED1 in 31 parts of this protruded stigma, in addition, this circuit board 2 also can be set as slab-like in the manufacturing, thin-type LED 1 is inserted can be obtained better to fix, and each LED1 different and the colour cell group, it has the pin 12 that can rise height or pasting board installation dress according to different purposes, to adapt to various different occasion.

In view of the above, please join Fig. 1～shown in Figure 5, can be earlier with red, green, blue thin-type LED 1 is after the semi-finished product grade is determined in the beam split color separation, select combination to utilize support 5 that it is combined closely again one by one, or directly on circuit board 2 with the different and colour cell group dot matrixs that form spaced apart, afterwards with substratum transparent 3 sealant covers circuit board 2 outsides (or the part is located on the LED1 surface), make a colour mixture dot matrix LED with 4 pairs of groups of shell body again, it forms product because the LED1 of envelope all has the same brightness grade through independent color separation beam split in all, so make the colour mixture light-emitting diode effect of making good, and the LED1 of three colors below because of being provided with support 5, so also can effectively improve its radiating effect more.

See also shown in Figure 6, because the utility model structure Design mode, so semi-finished product can be earlier after testing during fabrication for it, if find a certain LED1 fault in making, can before the injecting glue encapsulation, it simply be taken off replacement, make yields with effective raising, reduce the situation that the useless part (defective products) of traditional approach production too much causes cost of idleness.

In sum, the designed resulting structure of the utility model can significantly improve the quality bills of materials of colour mixture dot matrix LED quality really, and can improve yields in the production again, and the radiating effect of effectively promoting the product application, outclass traditional structure on the function, tool progressive and industrial utilization propose the application of novel patent then in accordance with the law.

Above-mentioned specific embodiment is to be used for describing in detail the purpose of this utility model, feature and effect, only be part embodiment of the present utility model, when not limiting practical range of the present utility model with this, those skilled in the art reach conversion or the modification that the contained architectural feature of the application's claim reaches the equivalence of doing on effect according to the above description, its essence does not detach spiritual category person of the present utility model, all should be included in the claim of the present utility model.

Claims

1. a colour mixture dot matrix LED improves structure, it is characterized in that, comprises that several have the same brightness grade, different quality, and the pre-envelope of appearance has shell to have thin type LED, a circuit board, a substratum transparent and a shell body of pin;

2. colour mixture dot matrix LED as claimed in claim 1 improves structure, and it is characterized in that: this protruded stigma is dome-shaped or ellipticity, is coated on each different also outside of colour cell group's LED crystal.

3. colour mixture dot matrix LED as claimed in claim 1 improves structure, and it is characterized in that: this protruded stigma is dome-shaped or ellipticity, prominent partly each different also upper surface of colour cell group's LED crystal that are bonded at.

4. colour mixture dot matrix LED as claimed in claim 1 improves structure, it is characterized in that: have six jacks on this circuit board every bit matrix position, it is arranged evenly that three red, green, blue thin-type LEDs of pegging graft on it are the product shape.

5. colour mixture dot matrix LED as claimed in claim 1 improves structure, it is characterized in that: be plugged with a support that has a jack platform under this product shape three red, green, blue thin-type LEDs arranged evenly.

6. colour mixture dot matrix LED as claimed in claim 1 improves structure, it is characterized in that: this LED has can rise the high pin of installing.

7. colour mixture dot matrix LED as claimed in claim 1 improves structure, it is characterized in that: but this LED has the pin that pasting board is installed.

8. colour mixture dot matrix LED as claimed in claim 1 improves structure, and it is characterized in that: this circuit board is slab-like.