CN1387002A - Light source - Google Patents

Abstract

A glow-type light source is prepared through mixing the pigment powder having light accumulating and rotary function with the plastic resin, shaping, putting an ultraviolet ray emitting chip in it, and connecting the chip with a DC power supply. It can be used as the back light source of display or for other purposes.

Description

But light source

Invention field

The present invention relates to a kind of light emitting source that holds light, be meant especially and a kind ofly do optical source wavelength conversion and change, and make its tool even light-guiding, illumination effect, but and can further prolong the light source of residual shinny time of light.Mat holds and revolves optical activity pigment powder tool extinction and release light characteristic, lasting again release is beneficial to human eye and can distinguishes the degree of looking light (wavelength is between 450nM-650nM) after absorbing ultraviolet (wavelength is between 200nM-450nM), to make this ultra violet radiation chip under the supply of DC dc source (about 3.5V-4.5V), make this hold revolve the optical activity pigment powder constantly absorb, luminous, absorb again, luminous effect again, provide have even light-guiding, illumination effect, and the light source that can protect the residual light of long timeliness.

Background technology

General common luminous storage material, produce shinny effect owing to having behind extinction, to discharge again, therefore being seen everywhere with this kenel on the market is demand, and thing miscellaneous (decorations) product of being developed are such as products such as animal-shaped toy, ornament, key-ring, ornaments; Yet, common luminous storage material structure mainly is that the finish that holds of getting resin and fine powdered is uniformly mixed into one, handle through the processing of penetrating or utilize mould again, to form required set fashioner, so this luminous storage material is put in the light place and just can absorb light source automatically, can discharge automatically and present shinny state and arrived the dark place.

As shown in the above description, traditional luminous storage material lacks the innovation idea really, though there is the part dealer to desire on the luminous storage material molded appearance, to seek to change recently, or with the three-dimensional contouring various figure lines of arranging in pairs or groups, phase attracts consumer's attention and improves marketability, only only makes the effect of the simple variation in moulding of luminous storage material tool, is difficult to satisfy consumer's seeking change and innovation in fact, or even the diversification user demand on the industry, traditional luminous storage material still has dullness, the stiff and shortcoming that lack to change on the historical facts or anecdotes border.

In addition, because this luminous storage material is to hold by Powdered that finish is intensive to be integral, so when it finishes luminous after holding light, this light-accumulating powder end only can discharge its previous light source that holds, and because of follow-up no light source can supply its absorption, so that after the supply light source lost, this residual light only can be kept the of short duration shinny time, and makes poor effect.

Summary of the invention

But the purpose of this invention is to provide a kind of light source, mainly be to have extinction, to release holding of light characteristic and revolve the optical activity powder and combine with moldable resin (as epoxy resin, acryl rubber, silica gel), arrange in pairs or groups the ultra violet radiation chip again and constitute three-dimensional light source, or will hold and revolve the optical activity powder in conjunction with materials such as light source reflecting plate film and chip LGPs, utilize a ultraviolet transmitting chip to form a plane formula light source equally; So in the use, make by ultraviolet and to hold photopolymerization body particle, brightlyer, distinct can grow the advantage of the residual light source of timeliness again to reach to give out, and provide one to be different from conventional light source through continuous extinction, shinny.

But another object of the present invention provides a kind of light source, and wherein holding and revolving the optical activity powder is a kind of long-acting type light-storing paint such as SrAL ₂O ₄: Eu, Dy or SrAL ₁₄O ₂₅: Eu, Dy, its characteristic is that all extinction can give out light after saturated for a long time, thus long timeliness still can be arranged behind the stop supplies power supply send out light effect residual.

But a further object of the present invention provides a kind of light source, wherein this holds to revolve in optical activity pigment powder and the article shaped that moldable resin mixes and buries ultra violet radiation chip (InGaN) underground, and mat extend outer positive and negative electrode conductor continued this dc source can be luminous, have the athermic effect of power saving (single-chip only needs the dc voltage and the following magnitude of current of 30mA of 3.5V-4.5V).

But the present invention is achieved in that a kind of light source, comprises: but revolve optical activity pigment powder mixing moldable resin and make holding of filling and revolve optical activity container, ultra violet radiation chip and a DC dc source by holding; Mainly be to revolve the optical activity pigment powder with evenly mixing to hold in the moldable resin, but again through processing the integrally manufactured three-dimensional contouring that goes out required filling or container, and bury a ultra violet radiation chip underground in its inside, and make this ultra violet radiation chip can mat its extend the conducting that continues mutually of outside positive and negative electrode conductor and this DC dc source; So in the use, utilize DC direct current power supply ultra violet radiation chip to be shinny state, and this is held revolve the contained pigment powder particle of optical activity container through extinction, luminous effect continuously,, light more even to give out can be grown the residual radiant of timeliness again.

The present invention will be described with instantiation below in conjunction with accompanying drawing, will make above-mentioned purpose of the present invention, advantage and characteristics become clearer by following explanation.

Need to prove that below explanation is not that attempt is done any pro forma restriction to the present invention, therefore, all should be included in protection scope of the present invention about any modification of the present invention or change following work of spirit of the present invention.

Description of drawings

Fig. 1 is a preferred embodiment schematic appearance of the present invention.

Fig. 2 is the making flow chart of another embodiment of the present invention.

Fig. 3 is the silver-colored circuit printing schematic diagram of another embodiment of the present invention.

Fig. 4 is that the LGP of another embodiment of the present invention is made schematic diagram.

Fig. 5 is that the ultraviolet chip of another embodiment of the present invention is buried schematic diagram underground.

Fig. 6 is that holding of another embodiment of the present invention revolved optical activity pigmental resin coating coating schematic diagram.

Fig. 7 is the making schematic diagram that the PIN end of another embodiment of the present invention.

Fig. 8 is the plane formula light source module schematic diagram of another embodiment of the present invention.Drawing reference numeral explanation: hold and revolve optical activity pigment powder 1; Moldable resin 2; Hold and revolve optical activity pigmental resin rete 21; But the container 3 of filling; Ultra violet radiation chip 4; Power supply 5; Positive and negative the two poles of the earth conductor 51; Diffuser plate 6; Chip is buried district 61 underground; Silver slurry circuit 7; Contact is fixing with silver slurry 71; Leaded light particle 8; PET film 9; Chip LGP 10; Go out PIN end 11; Fit then with film 111; The zinc-plated terminal 112 of soft copper; Reflecting plate 20.

The specific embodiment

But the invention provides a kind of brand-new light source, at first the selection with regard to its raw material explains, and this light source main composition includes at least: constitute but hold container 3, ultra violet radiation chip 4 and the power supply 5 etc. that revolve optical activity pigment powder 1, moldable resin 2 fillings; Wherein:

This holds and revolves optical activity pigment powder 1, include long-acting type light-storing paint and GENERAL TYPE light-storing paint, the characteristic of this long-acting type light-storing paint is: can give out light for a long time after extinction is saturated, the characteristic of GENERAL TYPE light-storing paint then is to give out light for imitating in short-term in the saturated back of extinction; And be to select for use the long-acting type light-storing paint for best in an embodiment.

This moldable resin 2 is to use as bond in this case, and it can the person of selecting for use comprise: ABS, PC, PE, PP, PU, epoxy resin, acryl resin, silica gel, rubber etc.But filling container for moulding 3, but be all filling container for moulding of general reference, and can be taken from hard materials such as soft material such as plastics, resin or acryl, glass, pottery, and preferably to select the light-permeable that is transparent or semitransparent for use be good, uses to highlight fully and hold the shinny bright degree of light.

Ultra violet radiation chip 4 is the ultraviolets that can radiate the 395nM-405nM wavelength, can use general purple LED on the implementation.

Power supply 5 adopts the DC dc source, and this magnitude of voltage can be between 3.5V-4.5V.

But more than be the general introduction that each group of the present invention's light source is made important document; The effect that practice situation of the present invention and institute's expectability thereof are reached is described below:

But should include in an enterprising step of making moulding by light source: three-dimensional light source and plane formula light source two parts.This three-dimensional light source can be selected suitable processing mode again and presents different aspects in moulding;

(A) three-dimensional light source:

As ejection formation, selecting plastic molding machinery for use is its process equipment, utilize to penetrate to contain and hold the plastic resin that revolves optical activity pigment powder 1, but and the container that is shaped to filling 3 that makes and bury a ultra violet radiation chip 4 in inside underground, but guide out container 3 outsides of positive and negative the two poles of the earth conductor 51 simultaneously again in filling, using provides continue conducting input of power supply 5, but to obtain light source required for the present invention.

As the filling form, it is the module of utilizing moulding to use, this module can adopt various mold for forming such as metal pattern, silica gel mould, plaster mold, resin mold, and in its inner perfusion filling various contain hold the resin compound that revolves optical activity pigment powder 1 after, bury ultra violet radiation chip 4 underground in its inside again, simultaneously, guide out its positive and negative the two poles of the earth conductor 51, use the conducting input that continues of power supply source 5 in the outside.

As surperficial coated and molded, be on the surface with existing light transmission article shaped, adopt with spray gun and spray, or printing coating, or construction methods such as hardened coating, the coating contain hold revolve optical activity pigment powder 1 cold coating (as alkyd resins, the nitrocotton resin, acryl resin, unsaturated polyester resin, the poly-attached fat of urgthane, the polyvinylbutyral resin, the vinyl acetate copolymer resin, rubber resin, the silica gel resin, coating such as epoxy resin), and hollow out in inner part, or inside has been the hollow form, then bury ultra violet radiation chip 4 underground in inside, simultaneously, just guide out again, negative the two poles of the earth conductor 51 is in its outside, so that the conducting input that continues of power supply 5 to be provided.

(B) plane formula light source:

Its step is to include: the printing of a, silver-colored circuit; The making of b, LGP; Burying underground of c, ultra violet radiation chip; D, contain the coating of holding the cold coating that revolves the optical activity pigment powder; E, the making that goes out the PIN end; F, reflecting plate, chip LGP, hold the applying assembling of revolving optical activity pigmental resin rete: g, plane formula light source module are finished: followingly describe respectively:

The printing of a, silver-colored circuit (as shown in Figure 3), selecting for use on drawing materials are led and are revolved optical activity good light diffusing sheet 6 and silver paste coating; As for then being to get diffuser plate 6 films earlier making, and on diffuser plate 6 films printed silver slurry circuit 7.

The making of b, LGP 6 (as shown in Figure 4) is to finish thing and leaded light printing-ink for the printed silver slurry circuit 7 of above-mentioned steps a in selection; Its manufacturing process can be adopted in screen painting (or laser engraving, etching, ejection formation etc.) mode, and prints leaded light particle 8 or lines, and buries the difference of 61 positions underground according to chip, and makes the design of different leaded light particles or lines.

The burying underground of c, ultra violet radiation chip (as shown in Figure 5) is to get LGP 10, the ultra violet radiation chip 4 that above-mentioned steps b finishes on drawing materials, and the collocation contact is fixing with silver slurry 71; So on making, in burying district 61 underground, the chip of LGP (10) is embedded with ultra violet radiation chip 4, then, again on the contact of the bipolarity conductor 51 of ultra violet radiation chip 4, utilize the two poles of the earth conductors 51 and silver slurry circuit 7 of the fixing and conducting ultra violet radiation chips 4 fixing of contact with silver slurry 71.

D, contain the coating (as shown in Figure 6) of holding the cold coating that revolves the optical activity pigment powder, be to select the splendid PET film of light transmission 9 for use and hold to revolve optical activity pigmental resin coating on drawing materials: get PET film 9 on the implementation, and revolve optical activity pigmental resin coating or printing ink is adopted screen painting or coating method to hold, holding of thick film of printing revolved optical activity pigmental resin rete 21 on PET film 9, and its thickness can be between between the 0 ware m-250um.

E, the making (as shown in Figure 7) that goes out PIN end, uses material as the product of finishing 10 of step c, go out PIN with the zinc-plated terminal 112 of soft copper and fit to follow and use film 111; Then get the product of finishing of step c on the implementation earlier, utilize hot pressing applying facility that terminal 112 is fixed in to fit and then use on the film 111, then again these semi-finished product are adopted hot pressing by hot pressing applying facility and be fixed in going out on the PIN end 11 of ultraviolet unwrapping wire chip 4.

F, reflecting plate 20, chip LGP 10, hold the applying assembling of revolving optical activity pigmental resin rete 21, its material is that the finished product ' finished product of chip LGP 10 ', steps d ' of the light source reflecting plate film 20 used of opto-electronics, step e holds and revolves optical activity pigmental resin rete 21 ' and then with sticking together glue or heat molten type is followed glue; So on making, ' chip LGP 10 revolves optical activity pigmental resin rete 21 ' with holding to get the finished product of light source reflecting plate film 20 and previous steps d, e, and desire the joint place in it and stick together glue or PUR mode with screen painting or coating, according to lower floor is that light source reflecting plate film 20, middle level are that chip LGP 10, upper strata are to hold the order of revolving optical activity pigmental resin rete 21, adopts the heat posted mode of closing and three layers are fitted is fixed into one.

G, plane formula light source module are finished; This holds photopolymerization body particle, it is the particle kenel of holding the suitable size of the inorganic compound that forms by inorganic matter in multiple year, have at light place absorption light source and possess, and disengage shinny effect at the dark place, this holds photopolymerization body particle and can absorb light source and release continuously again when releasing light again, release the shinny timeliness of light and prolong it, it is more even, distinct to make integral body release light effect.

By above-mentioned composition structure, but can make to hold and revolve three-dimensional cartridge or the plane formula light source module that optical activity pigment powder 1 collocation moldable resin 2 forms, make hold revolve optical activity pigment powder 1 through extinction, shinny after, give out brighter, distinct permanent again luminosity, be rich in the advantage of the rich interest of visible change.

Again, the present invention is subjected to any restriction, but more can apply to others, as is incorporated into plastic various types of resins goods (trinket, key-ring etc.), and constitutes whole light, the luminous article of all holding; Or by net, the combination of version printing, and can take shape in the surface of various stationery (paster etc.), toy, gift or article (as shown in Figure 1) such as glass, porcelain material, change to form local shinny visual effect, more can make article highlight whole visual sense of beauty place distinguished with it, experience and be different from the Powdered in the past dull raw food that holds the light article, and the shortcoming of releasing weak point between the light time: so, and make it to have both broad-spectrum effect is arranged, have the value on the industry in fact.

As mentioned above, if the combination of adopting screen painting, in its process, mix to use various depth collocation of colour to hold to revolve optical activity pigment powder 1 and use, will on formed article, build and more dazzle beautiful colorful shinny effect, more can satisfy the user demand of consumer's seeking change and innovation.

Claims (5)

1. But 1, a kind of light source comprises: but revolve optical activity pigment powder mixing moldable resin and make holding of filling and revolve optical activity container, ultra violet radiation chip and a DC dc source by holding; Mainly be to revolve the optical activity pigment powder with evenly mixing to hold in the moldable resin, but again through processing the integrally manufactured three-dimensional contouring that goes out required filling or container, and bury a ultra violet radiation chip underground in its inside, and make this ultra violet radiation chip can mat its extend the conducting that continues mutually of outside positive and negative electrode conductor and this DC dc source; So in the use, utilize DC direct current power supply ultra violet radiation chip to be shinny state, and this is held revolve the contained pigment powder particle of optical activity container through extinction, luminous effect continuously,, light more even to give out can be grown the residual radiant of timeliness again.
2. But 2, light source according to claim 1, wherein this holds and revolves optical activity pigment powder particle and can be mixed in transparent or semitransparent light-permeable material, and evenly distributes wherein.
3. But 3, light source according to claim 1, wherein this hold revolve optical activity pigment powder particle can be in conjunction with transparent or semitransparent any article, and mat screen painting, spraying or coating method are uniformly distributed in its surface.
4. But 4, light source according to claim 1, wherein moldable resin is to be transparent or semitransparent shape, and for generally can be in conjunction with the plastotype material, that is: the resin of epoxy resin, acryl resin, silica gel or general-using type mixed-forming.
5. But 5, light source according to claim 1, wherein this light source applies to the plane formula aspect, its step include printing, the LGP of silver-colored circuit the burying underground of making, ultra violet radiation chip, contain the coating, the making, reflecting plate, the chip LGP that go out the PIN end that hold the cold coating that revolves the optical activity pigment powder, hold the applying assembling, the plane formula light source module that revolve optical activity pigmental resin rete and finish.

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