CN209201373U

CN209201373U - El light emitting device

Info

Publication number: CN209201373U
Application number: CN201820045359.4U
Authority: CN
Inventors: 陈仲竑
Original assignee: Rights Law Enterprise Ltd By Share Ltd
Current assignee: Kang Zhihao
Priority date: 2018-01-11
Filing date: 2018-01-11
Publication date: 2019-08-02
Anticipated expiration: 2028-01-11

Abstract

El light emitting device is the conductive material by liquid in the utility model, the dielectric material of liquid, the luminescent material of liquid, transparency conducting layer and the coating of the transparent material of liquid and layering film forming drying, the conductive layer sequentially on an object can be formed, dielectric layer, luminescent layer, transparency conducting layer and transparent protective layer, whole el light emitting device can excite luminescent layer to generate light in being powered under, above-mentioned liquid material can be attached to various materials and various of different shapes soft, on hard object, and conductive material, dielectric resin is mixed in dielectric material and luminescent material, the phenomenon that dielectric coefficient is to avoid electric pole short circuit and voltage breakdown can be improved.

Description

El light emitting device

Technical field

The utility model in relation to a kind of light emitting device, it is especially a kind of in the way of the lamination of coating attachment made by electricity Electroluminescent devices.

Background technique

Electroluminescent (Electroluminescent；Abbreviation EL), it is a kind of the phenomenon that utilizing electroluminescent, it is basic Principle is that suitable luminescent material is clipped between two conductive layers, and when the current flows, luminescent material will issue visible light, and Have many advantages, such as that light-weight, thickness is thin with light-emitting component made of such light-emitting mode；Therefore, in recent years, by electroluminescent (EL) etc. light-emitting component is used for the self-emission display apparatus of pixel, i.e., so-called light emitting device is noticeable.As for this The light-emitting component of kind self-emission display apparatus, Organic Light Emitting Diode (OLED) and EL element are noticeable, and have applied In EL display etc..Since these light-emitting components itself shine, so the visibility of their pixel is better than liquid crystal display, because Without backlight.

Now, the manufacturing cost of electroluminescent cell is not possible to reduce easily, furthermore electroluminescent cell is applied Substrate is rigid material, therefore the field applied is restricted, such as object or the surface of the soft materials such as cap, clothes Rough object can not all be implemented.

Utility model content

It is especially a kind of in the way of the lamination of coating attachment in view of this, the present invention provides a kind of light emitting device Made el light emitting device is main purpose.

El light emitting device includes at least in the utility model: a conductive layer, is by a liquid for being attached on an object Formed after the conductive material film forming of state is dry, it is the conducting powder of 1:1:2 which, which is with weight percent, organic solvent and Dielectric resin mixes, and dielectric coefficient is greater than 8；One dielectric layer is attached to side of the conductive layer in contrast to the object, And formed after forming a film drying by the dielectric material of a liquid, which is the high dielectric with weight percent for 1:1:2 Powder, organic solvent and the dielectric resin of coefficient mix, and dielectric coefficient is greater than 8；One luminescent layer is attached to the dielectric Layer in contrast to the conductive layer side, and be by a liquid luminescent material film forming it is dry after formed, which is with weight Fluorescent powder, organic solvent and the dielectric resin that amount percentage is 1:1:2 mix, and dielectric coefficient is greater than 8；And one is transparent Conductive layer is attached to side of the luminescent layer in contrast to the dielectric layer；One transparent protective layer is attached to the transparency conducting layer In contrast to the side of the luminescent layer.

In a preferred embodiment, the el light emitting device is further provided with two conductor wires, is separately connected The conductive layer and the transparency conducting layer.It can be connected to the positive and negative electrode of a power supply by two conductor wire, utilize application electric current To excite the luminescent layer to generate light.

In a preferred embodiment, the organic solvent is toluene, butyl acetate, ethyl acetate, n-butanol, third One of ketone, ethyl alcohol, pentyl acetate, isoamyl acetate, dimethylbenzene, ethylbenzene, trimethylbenzene or ether-ether.

In a preferred embodiment, the dielectric resin is alcohol acids, acrylic compounds, epoxies, phenolic, ammonia Base class, nitro class, chlorinated rubber class, polyurethanes, fluorine carbon, polysiloxane-based, vinyl class, polyesters, polycarbonate Class or one of the modified resin that functional group is added.

In a preferred embodiment, the conducting powder is that yellow gold powder mixing silver powder forms；The high dielectric system Several powder is one of barium titanate, barium carbonate or barium sulfate；The transparency conducting layer is conductive by ITO conductive paste, ATO Liquid, graphene or nano-silver thread are made.

Above-mentioned liquid material can be attached on various materials and various soft, hard object of different shapes, and conductive material, Jie It is mixed with dielectric resin in electric material and luminescent material, dielectric coefficient can be improved to avoid electric pole short circuit and voltage breakdown Phenomenon.

Detailed description of the invention

Fig. 1 show the structural schematic diagram of el light emitting device in the utility model；

Fig. 2 show the flow diagram of el light emitting device manufacturing method in the utility model；And

Fig. 3 show the use schematic diagram of el light emitting device in the utility model.

Symbol description:

El light emitting device 10

Conductive layer 11

Dielectric layer 12

Luminescent layer 13

Transparency conducting layer 14

Transparent protective layer 15

Object 20.

Specific embodiment

Unless otherwise stated, otherwise following term used in present specification and claims have hereafter give The definition given.It note that singular shape term " one " used in present specification and claims is intended to cover one A and more than one contained item, for example, at least one, at least two or at least three, rather than mean only to have single One contained item.In addition, the open conjunction such as "comprising" used in claims, " having " is to indicate claim In documented element or ingredient combination in, however not excluded that the other assemblies or ingredient that claim does not state clearly.It is also noted that Term "or" is general in the sense also to include " and/or ", except non-content is separately clearly shown.Present specification and claims Term used in book " about (about) ", be to limit it is any can slight variations error, but this slight variations are not Its essence can be changed.

Refering to Figure 1, el light emitting device includes at least in the utility model: a conductive layer 11, a dielectric layer 12, One luminescent layer 13, a transparency conducting layer 14 and a transparent protective layer 15.

The conductive layer 11 is to be formed after forming a film drying by the conductive material of a liquid, this is led for being attached on an object 20 Electric material is to be mixed with weight percent for the conducting powder of 1:1:2, organic solvent and dielectric resin, and dielectric coefficient is greater than 8。

The dielectric layer 12 is attached to side of the conductive layer 11 in contrast to the object 20, and is by the dielectric material of a liquid It is formed after film forming is dry, which is the powder, organic solvent and Jie with weight percent for the high-dielectric coefficient of 1:1:2 Electric resin mixes, and dielectric coefficient is greater than 8.

Luminescent layer 13 is attached to side of the dielectric layer 12 in contrast to the conductive layer 11, and is by the luminescent material of a liquid Formed after film forming is dry, the luminescent material with weight percent for fluorescent powder, organic solvent and the dielectric resin mixing of 1:1:2 and At, and dielectric coefficient is greater than 8；Fluorescent powder can be organic fluorescent powder or inorganic fluorescent powder.

Transparency conducting layer 14 is attached to side of the luminescent layer 13 in contrast to the dielectric layer 12.Transparent protective layer 15 is attached to Side of the transparency conducting layer 14 in contrast to the luminescent layer 13.

The manufacturing method that above-mentioned el light emitting device is manufactured in the utility model is included at least please refer to shown in Fig. 2 The following steps:

Step (a) prepare the conductive material of a liquid, the dielectric material of liquid, liquid luminescent material；Adhere to from coating Easness from the viewpoint of, it is 5Pas hereinafter, being more preferably 3Pas hereinafter, more that the viscosity of above-mentioned liquid material is more satisfactory Add preferably 1Pas hereinafter, especially desirable for 100mPas or less.In a preferred embodiment, the organic solvent For toluene, butyl acetate, ethyl acetate, n-butanol, acetone, ethyl alcohol, pentyl acetate, isoamyl acetate, dimethylbenzene, ethylbenzene, three One of toluene or ether-ether.In another preferred embodiment, which is alcohol acids, acrylic compounds, ring Oxygen class, amino, nitro class, chlorinated rubber class, polyurethanes, fluorine carbon, polysiloxane-based, vinyl class, is gathered at phenolic One of esters, modified resin polycarbonate-based or that functional group is added, especially can further select aqueous organic Solvent and aqueous dielectric resin allow the liquid materials such as conductive material, dielectric material, luminescent material to present aqueous, can increase coating The operability of attachment, and the rate of drying that forms a film is very fast.Using organic solvent by the above-mentioned material (powder of conducting powder, high-dielectric coefficient End and fluorescent powder) it is dissolved in organic solvent, prepared liquid material is subjected to coating attachment and film forming is good is easy to dry Dry film forming；And the addition of dielectric resin, improve the avoidable electric pole short circuit of dielectric coefficient of each liquid material and showing for voltage breakdown As.

Step (b) is attached on an object using the conductive material coating of liquid, the shape after conductive material film forming is dry At the conductive layer；It is commonly known to have " dry coating methods such as vapor deposition, sputter, ion plating " and " print as the method for coating attachment Brush, slot coated, stick painting, spreader (applicator) coating, rotary coating, blade coating (blade coat), air knife apply Wet coating methods such as cloth (air knife coat), intaglio plate coating, idler wheel coating, spraying, dip-coating " etc.；And its drying side that forms a film Formula can be heat curing type or UV light curable type.

Step (c) is attached on the conductive layer using the dielectric material coating of liquid, after dielectric material film forming is dry Form the dielectric layer.

Step (d) is attached on the dielectric layer using the luminescent material coating of liquid, after luminescent material film forming is dry Form the luminescent layer.

The coating of one transparency conducting layer is attached to the luminescent layer by step (e).In a preferred embodiment, this is transparent Conductive layer is made of ITO conductive paste, ATO conduction liquid, graphene or nano-silver thread.

The coating of one transparent protective layer is attached to the transparency conducting layer by step (f), then completes el light emitting device, Yu Tong electricity Luminescent layer can be excited to generate light under.In a preferred embodiment, which is by a liquid It is formed after transparent material film forming is dry, which is the organic solvent, dielectric resin and tree with weight percent for 1:1:3 Fat composition mixes.

The el light emitting device completed by above-mentioned steps is further configured with two conductor wires, is separately connected the conduction Layer and the transparency conducting layer, the positive and negative electrode of a power supply can be connected to by two conductor wire, using application electric current to excite Luminescent layer generates light.

The utility model is to produce el light emitting device in the way of the lamination of coating attachment by liquid material, excellent one It selects in specific embodiment, above-mentioned liquid material is general as common coating, it can use spraying method for the liquid material Coating is attached to the object surfaces of a variety of hard materials such as metal, thermoplastic materials, glass, carbon fiber, can also perfection be attached to respectively On the object of the hard materials such as kind curved surface, corner angle, irregular shape or soft material；Automobile repacking can be further applied (such as Shown in Fig. 3, dashed area shown in drawing is then light emitting region), airframe, bicycle night safety illumination, the helmet, clothes Etc. multiple fields, it might even be possible to be applied to road lighting or mark.And luminescent layer can be a variety of because of demand generation in the utility model Different colours, the light issued can penetrate several coatings, so the coated object crossed of the liquid material of the utility model Before energization, in appearance and indifference, but it can shine after being switched on, safety is good, and belongs to cold light source, does not generate heat not It can get an electric shock and energy conservation and environmental protection.

Above all embodiments are only for illustration of the utility model, and are not limitation of the utility model, related fields Technical staff, the various transformation made in the technical scope for not departing from the utility model or variation also should belong to the utility model Protection category.

Claims

1. a kind of el light emitting device, which is characterized in that it is included at least:

One conductive layer, for being attached on an object, and be by a liquid conductive material film forming it is dry after formed, and dielectric system Number is greater than 8；

One dielectric layer is attached to side of the conductive layer in contrast to the object, and is dry by the dielectric material film forming of a liquid It is formed after dry, and dielectric coefficient is greater than 8；

One luminescent layer is attached to side of the dielectric layer in contrast to the conductive layer, and is formed a film by the luminescent material of a liquid It is formed after drying, and dielectric coefficient is greater than 8；

One transparency conducting layer is attached to side of the luminescent layer in contrast to the dielectric layer；And

One transparent protective layer is attached to side of the transparency conducting layer in contrast to the luminescent layer.

2. el light emitting device as described in claim 1, which is characterized in that be further provided with two conductor wires, be separately connected The conductive layer and the transparency conducting layer can be connected to the positive and negative electrode of a power supply by two conductor wire, utilize application electric current To excite the luminescent layer to generate light.