LIGHT EMITTING ELEMENT

07-02-2018 дата публикации
Номер:
KR1020180013115A
Принадлежит:
Контакты:
Номер заявки: 00-16-102096299
Дата заявки: 28-07-2016

[1]

The present invention refers to an AlAs layer minimizes the use of the electrode are disclosed.

[2]

Existing light-emitting material is inserted between two electrodes with a light-emitting element of various functional material consists of a stacked-form. However its related light-emitting light permeable transparent electrode not necessarily use an electrode selection has a number one.

[3]

(Indium tin oxide, ITO) transparent electrode of an indium tin oxide conductive material such as metal or conductive polymer inherently transparent thin film in the form of such a transparent electrode is provided to be used general opaque metal electrode is formed on electrical conductivity has a very low limit. The, recent development material should meet both transparency required chemical solution present technical difficulty.

[4]

On the other hand, the vertically stacked generating electrode formed on one existing light-emitting element of a plurality of material layer laminated to the source disclosed. Solution process such as printing process through the stacked structure for operation one material layer number of elements already is processed to lower material layer deposited solution may affect the difficulty that the pin is.

[5]

In this regard, a compensation publicized patent number 10 - 2015 - 0104298 call (title of the invention: in-plane electrode organic light emitting diode) aligned to the anode and cathode substrate co-planar light emission by the disclosure number [...] etc. the in-plane electrode.

[6]

However, in the case of this configuration, an anode and a cathode insulating layer superimposed aligned plane, to form a luminescent layer in an upper portion thereof an arrangement, transferring and between anode and cathode in the P2P network, the other unassembled with suitable low power driven environments are disclosed.

[7]

The present invention refers to point in order to solve the aforementioned prior art door number provided, anode and cathode disposed coplanar to each other, a light-emitting element based on the number [...] luminescent electrolyte layer electrochemical redox reaction intended.

[8]

But, in the embodiment is a technical and accomplish as said number is not defined by a technical and number, in yet a further technique can be in the presence of specific number.

[9]

For the above-mentioned technological and number as to achieve technical means, according to a light emitting device of the present invention number 1 side, spaced apart from each other on a substrate a number 1 and number 2 parallel to the electrode, a plurality of number 1 number 1 parallel to the radiation electrode branch electrode, a plurality of number 2 number 2 parallel to the radiation electrode branch electrode, number 1 and number 2 upper electrode comprising radiating electrolyte layers.

[10]

The aforementioned of the present invention the cathode and the anode are disposed on the same plane and the front number, only a single light emitting layer made of, extrememly simple and that is, by a reduction in the number can be bath solution, and large glass, can be number tank costs. In addition, using data from the second transparent electrode, an electrode material to a free selection, in particular low power environment can be [...] number that can drive a light-emitting element.

[11]

Figure 1 shows a general outline of the present invention also one in the embodiment according to degree timing light-emitting device are disclosed. Figure 2 shows a plane view of the present invention also one in the embodiment according to a timing light-emitting device are disclosed. Figure 3 shows a light-emitting device of the present invention also one in the embodiment according to a timing cross-sectional drawing are disclosed. Figure 4 shows a matrix polymer of the present invention also one in the embodiment according to timing are disclosed. 5A and 5b is also one of the present invention also shown in the embodiment according to electrolyte material are disclosed. 6A and 6b also in the embodiment according to drawing to explain the principle of the present invention also includes one semiconductor layer are disclosed.

[12]

The present invention is judged with reference to the drawing below in the embodiment of the present invention in the embodiment for a person with skill in the art is provided to hereinafter to be detailed as follows. However the present invention refers to several different taught herein can be embodied in the form of a in the embodiment is not limited to. The present invention is described in drawing and unambiguously account for when the dispensed portion that is independent, like part subjected to a similar drawing code is configured to receive through the entire specification.

[13]

The entire specification, any portion "connected" when that the synthetic resin, this "connected directly" as well as when, its intermediate outer tube when "electrically connected" to another element comprises a unit. In addition any components that "comprising" when any portion, particularly the opposite substrate [...] number but without other components further can include other components which means that the other.

[14]

Figure 1 shows a general outline of a light emitting device of the present invention and also shown in the embodiment according to one degree, one in the embodiment according to Figure 2 of the present invention illustrates the plane view of a light emitting device which, in the embodiment according to Figure 3 of the present invention in a light-emitting device are disclosed timing cross-sectional drawing.

[15]

As shown, light-emitting device (10) of the substrate (100), substrate (100) number 1 juxtaposed each other electrode (110) and number 2 electrode (120), number 1 electrode (110) and number 2 electrode (120) parallel to the radiation electrode branch respectively a plurality of number 1 (112) and a plurality of number 2 branch electrode (122), number 1 electrode (110) and number 2 electrode (120) in a predetermined space between light emitting electrolyte layer (130) comprises.

[16]

Substrate (100) include glass substrate, ceramic substrate, silicon substrate, paper substrate therefor, can be rubber substrate or plastic substrate. In addition, substrate (100) refractive index as well as a single material to enhance reflecting surface acting to decompress the deposited can be performed. Substrate (100) thickness, size or shape of the light for any one not one number, pivotably changed depending on the designer's selection.

[17]

Number 1 electrode (110) and number 2 electrode (120) that is arranged in parallel, and one functioning as a positive, the other negative electrode functions as a substrate. According to the structure of the present invention, number 1 of opaque material as electrode (110) and number 2 electrode (120) electrode can be secured even in the formation of a desired level of light permeability. However, features of the present invention such as the electrode material of the present invention has the number of opaque material relayed, number 1 even with a transparent material such as ITO electrode (110) and number 2 electrode (120) pivotably sufficiently formed. For example, the constitution of the invention while using two transparent material number 1 electrode (110) and number 2 electrode (120) if formed, light-emitting device can be included to further enhance light permeability.

[18]

Branch electrode number 1 (112) is number 1 electrode (110) coupled to in the state of crossing, number 1 electrode (110) and number 2 electrode (120) number 2 or space between electrode (120) is located extending in the direction are formed on the base. In addition, a plurality of number 1 branch electrode (112) formed such that they are mutually parallel, disposed thereon to form a space therebetween.

[19]

Number 2 branch electrode (122) is number 2 electrode (120) coupled to in the state of crossing, number 1 electrode (110) and number 2 electrode (120) or space between electrode number 1 (110) is located extending in the direction are formed on the base. In addition, a plurality of number 2 branch electrode (122) formed such that they are mutually parallel, disposed thereon to form a space therebetween. Through such structures, number 1 branch electrode (112) are number 2 branch electrode (122) each arranged in a space between the.

[20]

I.e., as shown in fig. 2, two different branch electrode number 1 (112) between one number 2 branch electrode (122) placed or, two different branch electrode number 2 (122) between one number 1 branch electrode (112) is disposed, branch electrode number 1 (112) and number 2 branch electrode (122) are comb were (comb) and shape that is, alternating sides facing each other they form disposed thereon.

[21]

Number 1 branch electrode (112) and number 2 branch electrode (122) substrate (100) but have different heights from a heights, limited to are not correct. In addition, branch electrode number 1 (112) and number 2 branch electrode (122) in the form of a branch electrode number 1 (112) and number 2 branch electrode (122) using light according to the distance between the light emitting layer can be. Illustratively, branch electrode number 1 (112) and number 2 branch electrode (122) substrate (100) height from 50 nm, number 1 branch electrode (112) and number 2 branch electrode (122) the width of the 10um, branch electrode number 1 (112) and number 2 branch electrode (122) can be formed a gap between the 10um.

[22]

On the other hand, number 1 electrode (110), number 2 electrode (120), branch electrode number 1 (112) and number 2 branch electrode (122) is chemically for forming process electrode formation can be typically used. For example, photolithography (photolithography) and vapor deposition (thermal deposition method (thermal evaporation), (e non-beam evaporation) an electron beam deposition, sputtering deposition (sputtering)) formed by a reduction, in addition printing technologies (reverse offset printing (offset printing), him view [e offset printing (gravure offset printing), nano-imprinting (nanoimprinting)) such as it can be formed through, provided the present invention of the present invention help understanding this process for fabricating illustratively described herein are number one are not disclosed.

[23]

On the other hand, as shown in fig. 3, light-emitting device (10) of the heat cross-sectional drawing, each branch electrode (112, 122) are arranged in alternating with each other can be confirmed, each branch electrode (112, 122) on the circuit between the light emitting electrolyte layer (130) formed can be confirmed. In addition, light emitting electrolyte layer (130) of the upper substrate (140) can be further included.

[24]

Light emitting electrolyte layer (130) is number 1 electrode (110) and number 2 electrode (120) and a space between the oil pump and formed to, number 1 branch electrode (112) and number 2 branch electrode (122) can be covered both are formed on the base. Light emitting electrolyte layer (130) consists of light emitting SC.

[25]

Light emitting electrolyte layer (130) electrolyte material and luminescent semiconductive material and the polymer matrix (matrix) luminescence comprising electrolyte layer (130) to impart the required mechanical properties of polymer matrix by alpha can be omitted disclosed.

[26]

Illustratively, light emitting electrolyte layer (130) is tris (2, 2' - bipyridine) ruthenium (II) hexafluorophosphate [Ru (bpy)3 (PF6 )2 ]: Polystyrene a-b-a polymethylmethacrylate a-b-a polystyrene [PS a-b-a PMMA a-b-a PS]: (trifluoromethylsulfonyl) imide [EMIM-a TFSI]=1:4 1 a-Ethyl provided 3 a-methylimidazolium bis: 16 as chronic weight of composition can be formed. The, such weight composition are provided to be blended in such a proportion Eu is adjusted, the driving characteristics (AC or DC) can be varied when it is.

[27]

Figure 4 shows a one in the embodiment according to of the present invention also constitutes the matrix polymer material and shown, 5a and 5b is also one of the present invention also in the embodiment according to electrolyte material are disclosed timing.

[28]

The high molecular material is matrix light emitting electrolyte layer (130) physical or mechanical characteristics to function as follows. It 4 also shown in exemplary single polymer made up, it can be copolymerized polymer (copolymer) such as the use of the material, the present invention herein are number one are not disclosed.

[29]

Electrolyte material is also shown in 5a and 5b also but utilizing a material, the present invention herein are number one are not disclosed. Also shown in 5b halogen X (halogen), M is an alkali metal element 5 also shown in either a lighting contacted, R may be an aliphatic (aliphatic), aromatic (aromatic) hydrocarbon and functional group (functional group) implementation being either.

[30]

Luminescent semiconductor material is illuminant functions as a substrate. A light-emissive substance example ionic transition metal complex, a luminescent organic semiconductor, is used as the quantum dot material but, the present invention herein are number one are not disclosed.

[31]

Transition metal compound example ruthenium (ruthenium, Ru), iridium (iridium, Ir), rhenium (rhenium, Re), platinum (platinum, Pt), osmium (osmium, Os), copper (copper, Cu), is used as the iron (iron, Fe) can be. Specifically, tris (2, 2' - bipyridine) ruthenium (II) hexafluoro phosphate (hexafluorophosphate) [Ru (bpy)3 (PF6 )2 ], Tris (4, 7 a-diphenyl-a 1, 10 a-phenanthroline) ruthenium (II) bis (hexafluorophosphate) [Ru (dp non-phen)3 (PF6 )2 ], Bis (2 a-phenylpyridine) iridium (III) (2, 2' - dipyridine) hexafluoro phosphate (hexafluorophosphate) [Ir (ppy)2 (Bpy) PF6 ], Bis (2 a-phenylpyridine) iridium (III) (4, 4 '- di-a tert-a butyl-a 2, 2' - dipyridyl) hexafluoro phosphate (hexafluorophosphate) [(dtbbpy) Ir (ppy)2 PF6 ], 4, 4 '- Di-a tert-a butyl-a 2, 2' - [2 - (2 ', 4' - difluorophenyl) pyridine] iridium (III) dipyridyl-a bis (hexafluorophosphate) hexafluoro phosphate [Ir (ppy provided F2 )2 (Dtb non-bpy) PF6 ], 1, 10 - Hexafluoro phosphate (hexafluorophosphate) [PF6 Re (phen)] (I) rhenium, platinum (II) coproporphyrin, tris (2, 2' - bipyridine) osmium (II) hexafluoro phosphate (hexafluorophosphate) [Os (bpy)3 (PF6 )2 ] Including but one may be, limited to are not correct.

[32]

In addition, an example of a luminescent organic semiconductor include luminescent monomolecular, polymer such as the lower being conjugate style including organic semiconductors may be disclosed. Specifically, base [pu phosphorus (rubrene) and derivatives, anthracene (anthracene) and derivatives, fine alkylene (pyrene) and derivatives, decycloxyphenyl substituted poly (1, 4 a-phenylene vinylene [super yellow], poly (2 a-methoxy-a 5 - (2 a-ethylhexyloxy) - 1, 4 a-phenylenevinylene) [MEH-a PPV], poly (2 a-methoxy-a 5 - (3 ', 7' - dimethyloctyloxy) - 1, 4 a-phenylenevinylene) [MEMO-a PPV], poly (9, 9 a-dioctylfluorene-a alt-a benzothiadiazole but including either may be, limited to are not correct.

[33]

Quantum dot material is in one group 13 - 15, 12 - 15 group including inorganic compound a is cited. Specifically namely anger cadmium (CdSe), cadmium sulfide (CdS), namely [...] (ZnSe), indium phosphide (InP), lead sulfide (PbS), namely anger lead (PbSe) but may be one including, limited to are not correct.

[34]

On the other hand, upper substrate (140) include glass substrate, ceramic substrate, silicon substrate, paper substrate therefor, may be rubber substrate or plastic substrate, the optical transmission of light permeable material it to the substrate.

[35]

6A and 6b also in the embodiment according to drawing to explain the principle of the present invention also includes one semiconductor layer are disclosed. The drive torque and also indicating how 6a, 6b also exhibits the DC driving.

[36]

Number 1 electrode (110) and number 2 electrode (120) by a voltage applied to electric field is once formed, the electrolyte of the electrode interface 200deg.c. each ion. The luminescent semiconductor material is present in each discharge and electrochemical redox reactions of deep-seated, the light-generating substances oxide reduction and the light-generating substances each other in the course of each electrode or branch electrode edge (AC power) see you electron transfer (DC drive) or branch electrode emits light in phenomenon occurs.

[37]

On the other hand, in the present invention of an AC or DC driving power applied to substrate. I.e., the light emitting element driving section (not shown minor changes) number 1 electrode (110) and number 2 electrode (120) with an alternating or direct current voltage is applied to the substrate. In the present invention if non-visual identification unit capable of applying a voltage of an AC or DC µm hereinafter as a width between the electrode branch electrode or metal in the form of electrochemical oxidation and reduction reaction line light emitting phenomenon occurs. Thereby, in the form of a light emitting phenomenon is light emitting were pre-continuous electrolyte layer (130) in visualizing entire portion of the surface light emitting phenomenon such as can be.

[38]

Thus, the present invention refers to anode and a cathode disposed on the same plane, only consists of a single light emitting layer, that is extrememly simple and, by a reduction in the number can be bath solution, which glass and enlargement of integration, can be number tank costs. In addition, using data from the second transparent electrode, an electrode material to a free selection, in particular low power environment can be [...] number that can drive a light-emitting element.

[39]

In case that the description of the invention which is for example, of the present invention technical idea of the present invention is provided to a person with skill in the art or essential characteristics without changing other form may be understand easily outputted are disclosed. In the embodiment described above the exemplary non-limiting all sides are understood to which must substrate. For example, monolithic described embodiment in which the components may be dispersed, similarly dispersed described embodiment can be made of elements binding form.

[40]

Description of the present invention are represented by said range rather than carry claim, claim meaning of the general outline of the form of the present invention evenly and items as well as some all changing or modified range should interpreted.

[41]

10: Light emitting element 100: Substrate 110: Number 1 electrode 112: Number 1 branch electrode 120: Number 2 electrode 122: Number 2 branch electrode 130: Light emitting electrolyte layer 140: Upper substrate



[1]

The present invention relates to a light emitting element, which disposes an anode and a cathode on the same plane and is based on the electrochemical redox reaction of a light emitting electrolyte layer. The light emitting element according to an aspect of the present invention comprises: a substrate; a first electrode and a second electrode arranged to be spaced apart from each other on the substrate; a plurality of first branch electrodes branched from the first electrode and arranged in parallel with each other; a plurality of second branch electrodes branched from the second electrode and arranged in parallel with each other; and a light emitting electrolyte layer disposed between the first electrode and the second electrode.

[2]

COPYRIGHT KIPO 2018

[3]



Emitting, substrate; a number 1 number 2 electrode spaced apart from each other and parallel to the substrate; a plurality of number 1 said number 1 parallel to the radiation electrode branch electrode; said number 2 a plurality of number 2 parallel to the radiation electrode branch electrode; and said number 1 and number 2 radiating electrode electrolyte layers including light-emitting device.

According to Claim 1, said number 1 and number 2 direct current or alternating current voltage electric field is in the form a first electrode, a light-emitting organic redox reaction take place in said electrolyte layer emitting light-emitting element.

According to Claim 1, a plurality of said electrode in the state of crossing said number 1 number 1 branch electrode is coupled, said number 2 electrode extending direction, configured to be parallel to each other, said plurality of electrodes in the state of crossing said number 2 number 2 branch electrode is coupled, said number 1 electrode extending direction, formed such that they are parallel to each other, different number 1 branch electrode is a light-emitting element toward a light guiding plate branch between the electrodes said number 2.

According to Claim 1, said light emitting electrolyte contains a polymer matrix, and luminescent semiconductor material including electrolyte material is a light-emitting element.

According to Claim 1, said number 1 and number 2 of an AC or DC voltage electrodes are formed in a light-emitting element.

According to Claim 1, said electrolyte layer that are located above the upper substrate is further including light emitting element made of light transparent material.