KR20120035027A - Organic light emitting device and illuminator using the same - Google Patents

Abstract

PURPOSE: An organic light emitting device and a lighting device using the same are provided to emit uniform white light by supplying a uniform current to a transparent electrode layer through a sub electrode pattern. CONSTITUTION: A first electrode layer(230) is formed on a first organic layer. A second electrode unit is formed on a second surface of a substrate to include a second sub electrode pattern. The second sub electrode pattern is partially connected to a second transparent electrode layer. A second organic layer(320) is formed on the second electrode unit to include a plurality of second light emitting layers. A second electrode layer(330) is formed on the second organic layer.

Description

Organic light-emitting device and lighting device using the same {ORGANIC LIGHT EMITTING DEVICE AND ILLUMINATOR USING THE SAME}

The present invention relates to an organic light emitting device, and more particularly, to an organic light emitting device and an illuminating device using the same, which improve light emission efficiency and improve light emission uniformity of the entire large area light emitting region.

In general, an organic light emitting device emits light by a combination of holes and electrons injected into a light emitting layer, and has advantages such as low power driving, self-emission, wide viewing angle, high resolution and natural colors, and fast response speed. Have Such organic light emitting devices have been actively studied to be applied to information display windows such as portable information devices, cameras, watches, office equipment, automobiles, televisions, displays, and lights.

However, a general organic light emitting device has a problem in that light emission uniformity is lowered because light is emitted using a current. That is, as the substrate becomes larger (for example, 1 inch or more), the light emitting area is increased. As a result, the change in the resistance-current is changed according to the position of the substrate. There is a problem that the overall uniformity of light emission is poor.

Meanwhile, in Korean Patent Laid-Open Publication No. 2002-0008141, two organic light emitting diodes have been proposed by independently manufacturing two organic light emitting diodes and arranging them to face each other, and then sealing them. The conventional double-sided organic light emitting device also has a problem in that the uniformity of emission of the entire light emitting area is lowered because the resistance-current changes according to the position of the substrate as the area becomes larger.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and an object of the present invention is to provide an organic light emitting device and an illumination device using the same, which improve light emission efficiency and improve light emission uniformity of the entire large area light emission area.

The organic light emitting device according to the present invention for achieving the above technical problem is a substrate; A first electrode portion formed on the first surface of the substrate to include a first transparent electrode layer and a first auxiliary electrode pattern partially connected to the first transparent electrode layer; A first organic layer formed on the first electrode part to include a plurality of light emitting layers; A first electrode layer formed on the first organic layer; A second electrode portion formed on the second surface of the substrate to include a second transparent electrode layer and a second auxiliary electrode pattern partially connected to the second transparent electrode layer; A second organic layer formed on the second electrode part to include a plurality of second light emitting layers; And a second electrode layer formed on the second organic layer.

Each of the upper and second auxiliary electrode patterns includes a plurality of line patterns formed on the substrate to be partially connected to the transparent electrode layer; And a common line formed on the substrate to be commonly connected to the plurality of line patterns.

Each of the plurality of line patterns may have the same or different line resistance.

At least one of the plurality of line patterns may be formed to have any one of a straight line shape, a curved shape, and a zigzag shape.

Each of the plurality of line patterns is electrically connected to a central portion of each of the defining regions of the transparent electrode layer defined by a predetermined area.

The first electrode unit is the first transparent electrode layer formed on the first surface of the substrate; The first auxiliary electrode pattern partially formed on the first transparent electrode layer; And a first insulating layer formed on the first transparent electrode layer so as to have the same shape as the first auxiliary electrode pattern, and electrically insulating the first auxiliary electrode pattern and the first organic layer. do.

The second electrode unit is the second transparent electrode layer formed on the second surface of the substrate; The second auxiliary electrode pattern partially formed on the second transparent electrode layer; And a second insulating layer formed on the second transparent electrode layer to have the same shape as the second auxiliary electrode pattern and electrically insulating the second auxiliary electrode pattern and the second organic layer. do.

The second electrode part may include the second auxiliary electrode pattern partially formed on the second surface of the substrate; A second insulating layer formed on the second surface of the substrate to cover the second auxiliary electrode pattern; A plurality of second contact holes formed in the second insulating layer overlapping the second auxiliary electrode pattern to expose a portion of the second auxiliary electrode pattern; And the second transparent electrode layer formed on the second insulating layer having the plurality of second contact holes and electrically connected to the second auxiliary electrode pattern through the plurality of second contact holes. It features.

The first auxiliary electrode pattern partially formed on the first surface of the substrate; A first insulating layer formed on the first surface of the substrate to cover the first auxiliary electrode pattern; A plurality of first contact holes formed in the first insulating layer overlapping the first auxiliary electrode pattern to expose a portion of the first auxiliary electrode pattern; And the first transparent electrode layer formed on the first insulating layer having the plurality of first contact holes and electrically connected to the first auxiliary electrode pattern through the plurality of first contact holes. It features.

The second electrode unit is the second transparent electrode layer formed on the second surface of the substrate; The second auxiliary electrode pattern partially formed on the second transparent electrode layer; And a second insulating layer formed on the second transparent electrode layer to have the same shape as the second auxiliary electrode pattern and electrically insulating the second auxiliary electrode pattern and the second organic layer. do.

The second electrode part may include the second auxiliary electrode pattern partially formed on the second surface of the substrate; A second insulating layer formed on the second surface of the substrate to cover the second auxiliary electrode pattern; A plurality of second contact holes formed in the second insulating layer overlapping the second auxiliary electrode pattern to expose a portion of the second auxiliary electrode pattern; And the second transparent electrode layer formed on the second insulating layer having the plurality of second contact holes and electrically connected to the second auxiliary electrode pattern through the plurality of second contact holes. It features.

At least one of the first electrode layer and the second electrode layer may be formed of a transparent material.

In the organic light emitting device, the first electrode portion, the first organic layer, and the first electrode layer constitute a first light emitting member, and the second electrode portion, the second organic layer, and the second electrode layer form a second light emitting member. And the second light emitting member is formed to have the same area as the first light emitting member or to have a relatively smaller area than the first light emitting member.

The first electrode layer may be formed of a transparent material, and the second electrode layer may be formed of an opaque reflective material to reflect light emitted from the second light emitting member toward the first surface of the substrate.

Each of the upper and second electrode parts may be stacked in plurality between the substrate and the organic layer.

In the organic light emitting device, the first electrode portion, the first organic layer, and the first electrode layer constitute a first light emitting member, and the second electrode portion, the second organic layer, and the second electrode layer form a second light emitting member. A first sealing member formed on a first surface of the substrate to seal the first light emitting member; And a second sealing member formed on the second surface of the substrate to seal the second light emitting member.

The lighting apparatus according to the present invention for achieving the above technical problem is configured to include an organic light emitting device, the organic light emitting device comprises a substrate; A first electrode portion formed on the first surface of the substrate to include a first transparent electrode layer and a first auxiliary electrode pattern partially connected to the first transparent electrode layer; A first organic layer formed on the first electrode part to include a plurality of light emitting layers; A first electrode layer formed on the first organic layer; A second electrode portion formed on the second surface of the substrate to include a second transparent electrode layer and a second auxiliary electrode pattern partially connected to the second transparent electrode layer; A second organic layer formed on the second electrode part to include a plurality of second light emitting layers; And a second electrode layer formed on the second organic layer.

At least one of the first electrode layer and the second electrode layer may be formed of a transparent material.

The first electrode portion, the first organic layer, and the first electrode layer constitute a first light emitting member, and the second electrode portion, the second organic layer, and the second electrode layer constitute a second light emitting member, and It characterized in that it is formed to have a relatively small area than the one light emitting member.

The first electrode layer may be formed of a transparent material, and the second electrode layer may be formed of an opaque reflective material to reflect light emitted from the second light emitting member toward the first surface of the substrate.

In the lighting apparatus, the first electrode portion, the first organic layer, and the first electrode layer constitute a first light emitting member, and the second electrode portion, the second organic layer, and the second electrode layer constitute a second light emitting member. The organic light emitting device may include a first sealing member formed on a first surface of the substrate to seal the first light emitting member; And a second sealing member formed on the second surface of the substrate to seal the second light emitting member.

As described above, the organic light emitting device and the lighting device using the same according to the present invention have the following effects.

First, uniform white light may be emitted over the entire surface of the emission area by supplying a uniform current to the entire transparent electrode layer through the auxiliary electrode pattern.

Second, by emitting white light through the first light emitting member and the second light emitting member to the first surface and the lower surface of the substrate, luminance and color coordinates are compensated for by mutually compensating light emission unevenness of each of the first and second light emitting members. , Emission spectrum, and lifetime can be improved.

Third, the luminance is improved by emitting the white light emitted from the second light emitting member to the center region of the first light emitting member formed on the first surface of the substrate, and the first light emitting member through the white light emitted from the second light emitting member. It is possible to further improve luminance, color coordinates, emission spectrum, and lifespan by compensating for light emission unevenness.

Fourth, by insulating the auxiliary electrode pattern and the transparent electrode layer through the insulating layer including ceramic particles, light emission uniformity and light emission efficiency may be improved through scattering and / or reflection of light by the ceramic particles.

1 is an exploded perspective view schematically illustrating an organic light emitting device according to a first embodiment of the present invention.
FIG. 2 is a cross-sectional view schematically illustrating a cross section of the AA line shown in FIG. 1.
3 is a plan view schematically illustrating a first electrode part or a second electrode part illustrated in FIG. 1.
FIG. 4 is a diagram schematically illustrating a structure of the first organic layer illustrated in FIG. 1.
FIG. 5 is a diagram schematically showing another embodiment of the first electrode unit illustrated in FIG. 1.
6 is an exploded perspective view schematically illustrating an organic light emitting device according to a second exemplary embodiment of the present invention.
FIG. 7 is a cross-sectional view schematically illustrating a cross section of the BB line illustrated in FIG. 6.
FIG. 8 is a plan view schematically illustrating the first electrode portion or the second electrode portion illustrated in FIG. 6.
FIG. 9 is a diagram schematically showing another embodiment of the first electrode unit illustrated in FIG. 6.
10 is a plan view schematically illustrating another example of the first auxiliary electrode pattern described above in the organic light emitting device according to the second embodiment of the present invention.
FIG. 11 is a plan view schematically illustrating another exemplary embodiment of the first auxiliary electrode pattern described above in the organic light emitting diode display according to the second exemplary embodiment.
FIG. 12 is a plan view schematically illustrating another example of the second line pattern illustrated in FIG. 11.
13 is an exploded perspective view schematically illustrating an organic light emitting device according to a third embodiment of the present invention.
14 is an exploded perspective view schematically illustrating an organic light emitting device according to a fourth embodiment of the present invention.
15 is an exploded perspective view schematically illustrating an organic light emitting device according to a fifth embodiment of the present invention.
FIG. 16 is a cross-sectional view illustrating a cross section of the CC line illustrated in FIG. 15.
17 is an exploded perspective view schematically illustrating an organic light emitting device according to a sixth embodiment of the present invention.
18 is a cross-sectional view illustrating a cross section of the DD line illustrated in FIG. 17.
FIG. 19 is a diagram for describing dispersed particles included in an insulating layer in an organic light emitting diode device according to example embodiments.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is an exploded perspective view schematically illustrating an organic light emitting device according to a first exemplary embodiment of the present invention, and FIG. 2 is a cross-sectional view schematically illustrating a cross section of line A-A shown in FIG. 1.

1 and 2, the organic light emitting device 10 according to the first embodiment of the present invention includes a substrate 100, a first light emitting member 200, and a second light emitting member 300. do.

The substrate 100 is made of a material such as glass or plastic, and preferably made of a transparent material.

The first light emitting member 200 includes a first first electrode portion 210, a first organic layer 220, and a first electrode layer 230.

The first electrode unit 210 is formed on the upper surface of the substrate 100 to supply a current (or voltage) to the first organic layer 220. To this end, the first electrode unit 210 includes a first transparent electrode layer 212, a first auxiliary electrode pattern 214, and a first insulating layer 216.

The first transparent electrode layer 212 is formed on the upper surface of the substrate 100 to define a light emitting area having a predetermined area. That is, the first transparent electrode layer 212 may be formed in the remaining region except for the edge portion of the substrate 100. The first transparent electrode layer 212 may be made of a transparent material having a high transmittance or a transparent electrode material. For example, the first transparent electrode layer 212 may include ZnO, ZnO: B, ZnO: Al, ZnO: H, SnO ₂ , SnO ₂ : F, Indium Tin Oxide (ITO), Indium Zinc Oxide (IZO), and Indium Oxide. (Indium Oxide), tin oxide (Tin Oxide), or may be made of a material such as graphene (Graphene).

The first auxiliary electrode pattern 214 is formed on the first transparent electrode layer 212 to be electrically connected to the first transparent electrode layer 212, thereby reducing the sheet resistance of the first transparent electrode layer 212, thereby reducing the first transparent electrode layer 212. Allow a uniform current (or voltage) to be applied across the entire surface. To this end, the first auxiliary electrode pattern 214 may be formed to have a mesh shape, as shown in FIG. 3. The line width and thickness of the first auxiliary electrode pattern 214 is preferably 1 nm or more. The first auxiliary electrode pattern 214 includes aluminum (Al), calcium (Ca), chromium (Cr), copper (Cu), gold (Au), iron (Fe), molybdenum (Mo), and nickel (Ni). , At least one selected from platinum (Pt), silver (Ag), graphene (Graphene), and zinc (Zn) or an alloy (Alloy) material, or the same material as the first transparent electrode layer 212. .

At least one terminal (not shown) to which a driving voltage for emitting the first light emitting member 200 from the outside is connected to at least one side of the first auxiliary electrode pattern 214. Accordingly, the driving voltage supplied to the terminal is uniformly supplied over the entire surface of the first transparent electrode layer 212 through the first auxiliary electrode pattern 214.

The at least one terminal may be formed on at least one side of the first transparent electrode layer 212 corresponding to at least one side of the first auxiliary electrode pattern 214. In this case, the driving voltage supplied to the terminal may be the first auxiliary electrode. It is simultaneously supplied to the pattern 214 and the first transparent electrode layer 212.

Meanwhile, as shown in FIG. 5, the first electrode part 210 including the first transparent electrode layer 212, the first auxiliary electrode pattern 214, and the first insulating layer 216 described above is illustrated in FIG. 5. It may have a plurality of stacked structures. In this case, the first auxiliary electrode patterns 214 of each of the plurality of stacked first electrode parts 210 may be formed in a staggered shape. As such, when the plurality of first electrode portions 210 have a plurality of stacked structures, the number of the first transparent electrode layers 212 increases, so that the light extraction effect may be improved.

1 and 2, the first insulating layer 216 is formed on the first transparent electrode layer 212 to cover the first auxiliary electrode pattern 214 so that the first auxiliary electrode pattern 214 and the first organic layer are formed. Electrically insulate 220. To this end, the first insulating layer 216 is formed to have the same shape as the first auxiliary electrode pattern 214.

The first organic layer 220 is formed on the upper surface of the substrate 100 to cover the first electrode unit 210 and through recombination of holes and electrons supplied from the first transparent electrode layer 212 and the first electrode layer 230. It emits light of a certain color. To this end, the first organic layer 220 is, as shown in Figure 4, a hole injection layer 221, a hole transport layer 223, a plurality of

And a light emitting layer 225, an electron transporting layer 227, and an electron injection layer 229.

The hole injection layer 221 is formed on the first transparent electrode layer 212 to cover the first insulating layer 216. The hole injection layer 221 may be omitted.

The hole transport layer 223 is formed on the hole injection layer 221 to transport holes injected from the hole injection layer 221 to the light emitting layer 225. The hole transport layer 223 may be formed to include the hole transport material or may have a structure in which the hole transport material is stacked.

The light emitting layers 225 are formed between the hole transport layer 223 and the electron transport layer 227 to emit light by recombination of holes supplied from the first transparent electrode layer 212 and electrons supplied from the first electrode layer 230. .

To this end, the plurality of light emitting layers 225 according to the first exemplary embodiment may be sequentially stacked and include different first and second light emitting layers for emitting white light. The light emitting layer emits blue light through light emission as a blue light emitting layer, and the second light emitting layer emits light other than blue light through light emission as a light emitting layer other than the blue light emitting layer. An intermediate layer (not shown) may be further formed between the first and second light emitting layers. Here, the intermediate layer may be a charge blocking layer or a charge generating layer that generates charges by controlling charge transfer to make charge recombination more smooth in the first and second light emitting layers. have.

The plurality of light emitting layers 225 according to the second embodiment are sequentially stacked to include red, green, and blue light emitting layers (not shown) for emitting white light. The intermediate layer (not shown) may be further formed between the light emitting layers.

The electron transport layer 227 is formed on the light emitting layer 225 to transport electrons injected from the electron injection layer 229 to the light emitting layer 225. The electron transport layer 227 may be formed to include an electron transport material or may have a structure in which the electron transport material is stacked.

The electron injection layer 229 is formed on the electron transport layer 227. The electron injection layer 229 may be omitted.

Meanwhile, the first organic layer 220 further includes a functional layer (not shown) formed on at least one layer between the above-described layers 221, 223, 225, 227, and 229 in order to improve luminous efficiency and lifespan. Can be configured. Here, the functional layer includes an electron blocking layer that blocks the movement of electrons, a blocking layer that blocks the movement of holes, an electron interference layer that prevents the movement of electrons, a hole interference layer that prevents the movement of holes, and movement of excitons. It may be selected from at least one of the exciton blocking layer to block.

Each of the layers 221, 223, 225, 227, and 229 of the first organic layer 220 described above may include a thermal vacuum evaporation process, a spin coating process, a dip coating process, and a doctor blade. It may be formed by a doctor blading process, an inkjet printing process, or a thermal transfer process.

The first electrode layer 230 is formed on the first organic layer 220 to provide electrons to the first organic layer 220. The first electrode layer 230 is made of the same transparent material as the first transparent electrode layer 212.

As such, the first light emitting member 200 emits the first organic layer 220 formed between the first electrode unit 210 and the first electrode layer 230 to emit white light to the first electrode layer 230 and the second emission. Eject toward the member 300. In this case, the first light emitting member 200 supplies a uniform current to the entire first transparent electrode layer 212 through the first auxiliary electrode pattern 214 to the entire surface of the light emitting region corresponding to the first transparent electrode layer 212. It evenly emits light over and emits uniform white light.

1 and 2, the second light emitting member 300 includes a second electrode part 310, a second organic layer 320, and a second electrode layer 330.

The second electrode part 310 is formed on the bottom surface of the substrate 100 to supply current (or voltage) to the second organic layer 320. To this end, the second electrode part 310 includes a second transparent electrode layer 312, a second auxiliary electrode pattern 314, and a second insulating layer 316. The second electrode part 310 having such a configuration is formed in the same structure and size as the first electrode part 210 of the first light emitting member 200 except that the second electrode part 310 is formed on the bottom surface of the substrate 100. Therefore, the description thereof will be replaced with the description of the first electrode unit 210 described above.

Meanwhile, the second electrode part 310 including the second transparent electrode layer 312, the second auxiliary electrode pattern 314, and the second insulating layer 316 may include the first electrode part illustrated in FIG. 5. Like 210 may have a plurality of stacked structures. As such, when the plurality of second electrode portions 310 have a plurality of stacked structures, the number of the second transparent electrode layers 312 increases, so that the light extraction effect may be improved.

The second organic layer 320 is formed on the lower surface of the substrate 100 so as to cover the second electrode 310 and through recombination of holes and electrons supplied from the second transparent electrode layer 312 and the second electrode layer 330. It emits light of a certain color. To this end, as shown in FIG. 4, the second organic layer 320 includes a hole injection layer 221, a hole transport layer 223, a plurality of light emitting layers 225, an electron transport layer 227, and an electron injection layer ( 229). Since the second organic layer 320 having the above configuration has the same configuration as the first organic layer 220 described above, the description thereof will be replaced with the above description, and the same reference numerals will be given.

In addition, the second organic layer 320 may further include at least one functional layer described above.

The second electrode layer 330 is formed on the second organic layer 320 to provide electrons to the second organic layer 320. The second electrode layer 330 is made of the same material as the second transparent electrode layer 312.

As such, the second light emitting member 300 emits the second organic layer 320 formed between the second electrode part 310 and the second electrode layer 330 to emit white light to the second electrode layer 330 and the first light emission. Eject toward the member 200. In this case, the second light emitting member 300 supplies a uniform current to the entire second transparent electrode layer 312 through the second auxiliary electrode pattern 314 to the entire surface of the light emitting region corresponding to the second transparent electrode layer 312. It evenly emits light over and emits uniform white light.

Meanwhile, the organic light emitting device 10 according to the first exemplary embodiment of the present invention further includes a first sealing member 400 and a second sealing member 500.

The first sealing member 400 is formed on the upper surface of the substrate 100 to seal the first light emitting member 200.

The first sealing member 400 according to the first embodiment is formed of a transparent material to cover the entire first light emitting member 200 formed on the upper surface of the substrate 100 as a protective film to seal the first light emitting member 200. This protects the first light emitting member 200 from external shock, oxygen and / or moisture.

The first sealing member 400 according to the second embodiment is a glass cap made of glass, and is bonded to the top edge of the substrate 100 by an adhesive (not shown) to seal the first light emitting member 200. This protects the first light emitting member 200 from external shock, oxygen and / or moisture.

The first sealing member 400 may be configured to include an absorbent (not shown) for absorbing and removing oxygen and / or moisture.

The second sealing member 500 is formed on the bottom surface of the substrate 100 to seal the second light emitting member 300. Since the second sealing member 500 is formed of the same protective film or seal cap as the first sealing member 400 except that the second sealing member 500 is formed on the lower surface of the substrate 100, the description thereof will be described. ) Will be replaced with.

As described above, the organic light emitting device 10 according to the first exemplary embodiment of the present invention supplies a uniform current to the entire transparent electrode layers 212 and 312 through the auxiliary electrode patterns 214 and 314 to cover the entire surface of the emission region. It can emit uniform white light.

In addition, the organic light emitting device 10 according to the first embodiment of the present invention emits white light to the upper and lower surfaces of the substrate 110 through the first light emitting member 200 and the second light emitting member 300, respectively. Luminance, color coordinates, emission spectrum, and lifetime may be improved by compensating light emission unevenness of each of the first and second light emitting members 200 and 300.

Meanwhile, in the organic light emitting device 10 according to the first embodiment of the present invention, the first electrode layer 230 or the second electrode layer 330 may be formed of an opaque material having high reflectance, in which case the first electrode of the present invention The organic light emitting device 10 according to the exemplary embodiment performs the light emission in cross section. For example, when the second electrode layer 330 is formed of an opaque material to realize cross-sectional light emission, white light emitted from each of the first light emitting member 200 and the second light emitting member 300 is directed toward the top surface of the substrate 100. Because it is emitted only in the light emitting device, luminance, color coordinates, emission spectrum, and lifetime can be further improved.

6 is an exploded perspective view schematically illustrating an organic light emitting device according to a second exemplary embodiment of the present invention, FIG. 7 is a cross-sectional view schematically illustrating a cross section of a line BB illustrated in FIG. 6, and FIG. It is a top view which shows schematically a 1st electrode part or a 2nd electrode part.

6 to 8, the organic light emitting device 20 according to the second embodiment of the present invention includes a substrate 100, a first light emitting member 600, and a second light emitting member 700. do.

The substrate 100 is made of a material such as glass or plastic, and preferably made of a transparent material.

The first light emitting member 600 includes a first electrode part 610, a first organic layer 220, and a first electrode layer 230.

The first electrode part 610 is formed on the upper surface of the substrate 100 to supply a current (or voltage) to the first organic layer 220. To this end, the first electrode part 610 includes a first auxiliary electrode pattern 612, a first insulating layer 614, a plurality of first contact holes 616, and a first transparent electrode layer 618. do.

The first auxiliary electrode pattern 612 is formed on the top surface of the substrate 100 and electrically connected to the first transparent electrode layer 618 through the plurality of first contact holes 616. The first auxiliary electrode pattern 612 is partially connected to the first transparent electrode layer 618 through the plurality of first contact holes 616 so that a uniform current (or Voltage) is applied. For this purpose, as illustrated in FIG. 8, the first auxiliary electrode pattern 612 includes a plurality of line patterns 612a and a common line 612b.

Each of the plurality of line patterns 612a is formed in at least one of a straight line, a curved line, and a zigzag on the substrate 100 to be partially connected to the first transparent electrode layer 212 through the plurality of first contact holes 616. do. In this case, each of the plurality of line patterns 612a is formed to overlap the center of each defining region of the first transparent electrode layer 618 divided into a plurality of parts (for example, four equal parts) so as to have a constant area, and all of them have the same length. Although not limited thereto, the line resistance of each of the plurality of line patterns 612a may be set to make the current supplied to the entire first transparent electrode layer 618 uniform.

The plurality of line patterns 612a may be formed of a transparent material or an opaque material, and are preferably formed to have a line width and thickness of 1 nm or more. For example, the plurality of line patterns 612a may include aluminum (Al), calcium (Ca), chromium (Cr), copper (Cu), gold (Au), iron (Fe), molybdenum (Mo), and nickel (Ni). ), Platinum (Pt), silver (Ag), graphene (Graphene), and zinc (Zn) may be formed of at least one or an alloy (Alloy) material.

The common line 612b is formed on the upper surface of the substrate 100 so as to be commonly connected to the outside of the plurality of line patterns 612a. In this case, the common line 612b is formed to correspond to an edge portion of the first transparent electrode layer 618.

At least one terminal (not shown) to which a driving voltage for light-emitting the first light emitting member 600 is connected is connected to at least one side of the common line 612b. Accordingly, the driving voltage supplied to the terminal is uniformly supplied over the entire surface of the first transparent electrode layer 618 through the common line 612b and the plurality of line patterns 612a.

The at least one terminal may be formed on at least one side of the first transparent electrode layer 618 corresponding to at least one side of the first auxiliary electrode pattern 612. In this case, the driving voltage supplied to the terminal may be the first auxiliary electrode. The pattern 612 and the first transparent electrode layer 618 are simultaneously supplied.

The first insulating layer 614 is formed on the upper surface of the substrate 100 to cover the first auxiliary electrode pattern 612 to electrically insulate the first auxiliary electrode pattern 612 and the first transparent electrode layer 618. In this case, the first insulating layer 614 may be formed in the remaining region except for the edge portion of the substrate 100.

The plurality of first contact holes 616 are formed to penetrate a predetermined region of the first insulating layer 614 overlapping the inside of each of the plurality of line patterns 612b to expose the inside of each of the plurality of line patterns 612b. Let's do it. In this case, each of the plurality of first contact holes 616 is formed to overlap a central portion of each defining region of the first transparent electrode layer 618.

The first transparent electrode layer 618 is formed on the entire surface of the first insulating layer 614 on which the plurality of first contact holes 616 are formed, and thus, each of the plurality of line patterns 612b through each of the plurality of first contact holes 616. It is electrically connected to each. The first transparent electrode layer 618 is formed on the first insulating layer 614 to define a light emitting area having a predetermined area. The first transparent electrode layer 618 may be made of a transparent material having a high transmittance or a transparent electrode material. For example, the first transparent electrode layer 618 may include ZnO, ZnO: B, ZnO: Al, ZnO: H, SnO ₂ , SnO ₂ : F, ITO, IZO, indium oxide, tin oxide, or graphene. It may be made of a material such as.

The first transparent electrode layer 618 is partially connected to the first auxiliary electrode pattern 612 through each of the plurality of first contact holes 616, so that the first transparent electrode layer 618 is separated from the first auxiliary electrode pattern 612. The current supplied to the uniformly transmitted over the entire area of the first transparent electrode layer 618. That is, as shown in FIG. 8, since each of the plurality of first contact holes 616 is formed at the center of each defining region of the first transparent electrode layer 618, the current supplied to the first transparent electrode layer 618 is changed. The path is uniform over the entire surface of the first transparent electrode layer 618.

Meanwhile, the first electrode part 610 including the first auxiliary electrode pattern 612, the first insulating layer 614, the plurality of first contact holes 616, and the first transparent electrode layer 618. 9 may have a plurality of stacked structures. In this case, the first auxiliary electrode patterns 612 of each of the plurality of stacked first electrode parts 610 may be formed in a staggered shape. As such, when the plurality of first electrode portions 610 have a stacked structure, the number of the first transparent electrode layers 618 increases, so that the light extraction effect may be improved.

The first organic layer 220 is formed on the upper surface of the substrate 100 to cover the first electrode part 610 and through recombination of holes or electrons supplied from the first transparent electrode layer 618 and the first electrode layer 230. It emits light of a certain color. To this end, as illustrated in FIG. 4, the first organic layer 220 includes a hole injection layer 221, a hole transport layer 223, a plurality of light emitting layers 225, an electron transport layer 227, and an electron injection layer ( 229). Since the first organic layer 220 having the above configuration is the same as the first embodiment of the present invention, the description thereof will be replaced with the above description, and the same reference numerals will be given.

In addition, the first organic layer 220 may further include at least one functional layer as in the first embodiment of the present invention described above.

The first electrode layer 230 is formed on the first organic layer 220 to provide electrons to the first organic layer 220. The first electrode layer 230 is made of the same transparent material as the first transparent electrode layer 618.

As such, the first light emitting member 600 emits the first organic layer 220 formed between the first electrode part 610 and the first electrode layer 230 to emit white light to the first electrode layer 230 and the second light emission. Eject toward member 700. In this case, the first light emitting member 600 supplies a uniform current to the entire first transparent electrode layer 618 through the first auxiliary electrode pattern 612 to the entire surface of the light emitting region corresponding to the first transparent electrode layer 618. It evenly emits light over and emits uniform white light.

6 and 7, the second light emitting member 700 includes a second electrode part 710, a second organic layer 320, and a second electrode layer 330.

The second electrode part 710 is formed on the lower surface of the substrate 100 to supply a current (or voltage) to the second organic layer 320. To this end, the second electrode part 710 includes a second auxiliary electrode pattern 712, a second insulating layer 714, a plurality of second contact holes 716, and a second transparent electrode layer 718. do. The second electrode part 710 having such a configuration is formed in the same structure and size as the first electrode part 610 of the first light emitting member 600 except that the second electrode part 710 is formed on the bottom surface of the substrate 100. Therefore, the description thereof will be replaced with the description of the first electrode unit 610 described above.

Meanwhile, the second electrode part 710 including the second auxiliary electrode pattern 712, the second insulating layer 714, the plurality of second contact holes 716, and the second transparent electrode layer 718. 9 may have a stacked structure in the same manner as the first electrode unit 610 shown in FIG. 9. As such, when the plurality of second electrode portions 710 have a stacked structure, the number of the second transparent electrode layers 718 increases, so that the light extraction effect can be improved.

The second organic layer 320 is formed on the lower surface of the substrate 100 to cover the second electrode portion 710 and is recombined with holes and electrons supplied from the second transparent electrode layer 718 and the second electrode layer 330. It emits light of a certain color. To this end, as shown in FIG. 4, the second organic layer 320 includes a hole injection layer 221, a hole transport layer 223, a plurality of light emitting layers 225, an electron transport layer 227, and an electron injection layer ( 229). Since the second organic layer 320 having the above configuration has the same configuration as the first organic layer 220 according to the first embodiment of the present invention, the description thereof will be replaced with the above description, and the same reference numerals will be given. Let's do it.

In addition, the second organic layer 320 may further include at least one functional layer described above.

The second electrode layer 330 is formed on the second organic layer 320 to provide electrons to the second organic layer 320. The second electrode layer 330 is made of the same material as the second transparent electrode layer 718.

As described above, the second light emitting member 700 emits the second organic layer 320 formed between the second electrode part 710 and the second electrode layer 330 to emit white light to the second electrode layer 330 and the first light emission. Eject toward member 600. In this case, the second light emitting member 700 supplies a uniform current to the entire second transparent electrode layer 718 through the second auxiliary electrode pattern 712 to the entire surface of the light emitting region corresponding to the second transparent electrode layer 718. It evenly emits light over and emits uniform white light.

Meanwhile, the organic light emitting device 20 according to the second embodiment of the present invention further includes a first sealing member 400 and a second sealing member 500.

The first sealing member 400 is formed of a transparent material on the upper surface of the substrate 100 to seal the first light emitting member 600, and is formed of a protective film or a seal cap as in the first embodiment of the present invention. Therefore, the description thereof will be replaced with the description of the first sealing member 400.

The second sealing member 500 is formed of a transparent material on the lower surface of the substrate 100 to seal the second light emitting member 700, and is formed of a protective film or seal cap in the same manner as in the first embodiment of the present invention. Therefore, the description thereof will be replaced with the description of the second sealing member 500.

As described above, the organic light emitting device 20 according to the second exemplary embodiment of the present invention provides the same effect as the organic light emitting device 10 according to the first exemplary embodiment of the present invention described above.

Meanwhile, in the organic light emitting device 20 according to the second embodiment of the present invention, the first electrode layer 230 or the second electrode layer 330 may be formed of an opaque material having high reflectance, in this case, the second of the present invention. The organic light emitting device 20 according to the exemplary embodiment performs light emission in one side. For example, when the second electrode layer 330 is formed of an opaque material to implement cross-sectional light emission, white light emitted from each of the first light emitting member 600 and the second light emitting member 700 is directed toward the top surface of the substrate 100. Because it is emitted only in the light emitting device, luminance, color coordinates, emission spectrum, and lifetime can be further improved.

10 is a plan view schematically illustrating another example of the first auxiliary electrode pattern described above in the organic light emitting device according to the second embodiment of the present invention.

Referring to FIG. 10 and FIG. 6, the first auxiliary electrode pattern 612 may include a first line pattern 612a1 and a plurality of second lines to supply a uniform current over the entire surface of the first transparent electrode layer 618. A pattern 612a2 and a common line 612b.

The first line pattern 612a1 is formed in a line form from a central portion of the upper and lower portions of the common line 612b to a region corresponding to the central portion of the first transparent electrode layer 618. As described above, the plurality of first contact holes 616 are formed inside the first line pattern 612a1 so that the first line pattern 612a1 passes through the first transparent electrode layer (eg, through the plurality of first contact holes 616). 618 is electrically connected to the center of the 618.

The plurality of second line patterns 612a2 are formed in a zigzag form from the left side and the right side of the common line 612b to a region corresponding to the center of the definition region of the first transparent electrode layer 618. The plurality of first contact holes 616 described above are formed inside each of the plurality of second line patterns 612a2, so that each of the plurality of second line patterns 612a2 may close the plurality of first contact holes 616. The first transparent electrode layer 618 is electrically connected to the central portion of each positive region. In this case, each of the plurality of second line patterns 612a2 may be formed in a zigzag form to have the same line resistance as that of the first line pattern 612a1, but is not limited thereto. The line resistance of each of the first line patterns 612a1 is preferably set to make the current supplied to the entire first transparent electrode layer 618 uniform.

The common line 612b is commonly connected to the outside of each of the plurality of first line patterns 612a1 and the second line pattern 612a2. At least one side of the common line 612b is connected to a terminal to supply current from the outside.

As described above, the first auxiliary electrode pattern 612 according to another embodiment may supply a uniform current to the entire first transparent electrode layer 618 through the plurality of first line patterns 612a1 and the second line pattern 612a2. .

Although not illustrated, the second auxiliary electrode pattern 712 may also be configured in the same manner as the first auxiliary electrode pattern 612 described above.

FIG. 11 is a plan view schematically illustrating another exemplary embodiment of the first auxiliary electrode pattern described above in the organic light emitting diode display according to the second exemplary embodiment.

Referring to FIG. 11 and FIG. 6, the first auxiliary electrode pattern 612 includes a plurality of first line patterns 612a3 and a plurality of first lines so as to supply a uniform current over the entire surface of the first transparent electrode layer 618. And a two line pattern 612a4 and a common line 612b.

Each of the plurality of first line patterns 612a3 corresponds to a central portion of each of the internal defining regions excluding the edge defining regions among the defining regions of the first transparent electrode layer 618 from the centers of the upper and lower portions of the common line 612b. It is formed in the form of a line up to the region. As described above, the plurality of first contact holes 616 are formed inside the plurality of first line patterns 612a3, so that the first line patterns 612a3 are first transparent through the plurality of first contact holes 616. It is electrically connected to a central portion of each of the internal defining regions of the electrode layer 618.

The plurality of second line patterns 612a4 are formed in a line form from left and right sides and top and bottom sides of the common line 612b to regions corresponding to the center portions of the edge defining regions of the first transparent electrode layer 618. The plurality of first contact holes 616 described above are formed inside each of the plurality of second line patterns 612a4, so that each of the plurality of second line patterns 612a4 closes the plurality of first contact holes 616. It is electrically connected to the central portion of each of the edge defining regions of the first transparent electrode layer 618.

Meanwhile, the plurality of second line patterns 612a4 and the first line patterns 612a3 are preferably formed to have the same line resistance. To this end, each of the plurality of second line patterns 612a4 may be formed to have a narrower line width than the plurality of first line patterns 612a3. Alternatively, when the line widths of the plurality of second line patterns 612a4 and the plurality of first line patterns 612a3 are the same, each of the plurality of second line patterns 612a4 may have a plurality of lines as illustrated in FIG. 12. It may be formed in a zigzag form to have the same length as the first line pattern (612a3) of.

The plurality of second line patterns 612a4 and the first line patterns 612a3 are preferably formed to have the same line resistance. However, the present invention is not limited thereto, and the plurality of second line patterns 612a4 and the first line patterns 612a4 and the first line patterns 612a4 are the same. The line resistance of each of the line patterns 612a3 is preferably set to make the current supplied to the entire first transparent electrode layer 618 uniform.

The common line 612b is commonly connected to the outside of each of the plurality of first line patterns 612a3 and the plurality of second line patterns 612a4. At least one side of the common line 612b is connected to a terminal to supply current from the outside.

As described above, the first auxiliary electrode pattern 612 may supply a uniform current to the entire first transparent electrode layer 618 through the plurality of first line patterns 612a3 and the plurality of second line patterns 612a4. Can be.

Although not illustrated, the second auxiliary electrode pattern 712 may also be configured in the same manner as the first auxiliary electrode pattern 612 described above.

13 is an exploded perspective view schematically illustrating an organic light emitting device according to a third embodiment of the present invention.

Referring to FIG. 13, the organic light emitting device 30 according to the third embodiment of the present invention may include a substrate 100, a first light emitting member 200, a second light emitting member 700, and a first sealing member 400. And a second sealing member 500.

The substrate 100 is made of a material such as glass or plastic, and preferably made of a transparent material.

Since the first light emitting member 200 has the same configuration as the first light emitting member of the organic light emitting device 10 according to the first embodiment of the present invention described above, a detailed description thereof will be replaced with the above description.

Since the second light emitting member 700 has the same configuration as the second light emitting member of the organic light emitting device 20 according to the second embodiment of the present invention described above, a detailed description thereof will be replaced with the above description.

The first sealing member 400 is formed of a transparent material on the upper surface of the substrate 100 to seal the first light emitting member 200, and is formed of a protective film or a seal cap in the same manner as in the first embodiment of the present invention. .

The second sealing member 500 is formed of a transparent material on the lower surface of the substrate 100 to seal the second light emitting member 700, and is formed of a protective film or seal cap in the same manner as in the second embodiment of the present invention. Therefore, the description thereof will be replaced with the description of the second sealing member 500.

As described above, the organic light emitting device 30 according to the third exemplary embodiment of the present invention provides the same effects as the organic light emitting devices 10 and 20 according to the first or second exemplary embodiment of the present invention described above.

14 is an exploded perspective view schematically illustrating an organic light emitting device according to a fourth embodiment of the present invention.

Referring to FIG. 14, the organic light emitting device 40 according to the fourth embodiment of the present invention may include a substrate 100, a first light emitting member 600, a second light emitting member 300, and a first sealing member 400. And a second sealing member 500.

The substrate 100 is made of a material such as glass or plastic, and preferably made of a transparent material.

Since the first light emitting member 600 has the same configuration as the first light emitting member of the organic light emitting device 20 according to the second embodiment of the present invention described above, a detailed description thereof will be replaced with the above description.

Since the second light emitting member 300 has the same configuration as the second light emitting member of the organic light emitting device 10 according to the first embodiment of the present invention described above, a detailed description thereof will be replaced with the above description.

The first sealing member 400 is formed of a transparent material on the upper surface of the substrate 100 to seal the first light emitting member 600, and is formed of a protective film or a seal cap in the same manner as in the first embodiment of the present invention. .

The second sealing member 500 is formed of a transparent material on the lower surface of the substrate 100 to seal the second light emitting member 300, and is formed of a protective film or seal cap in the same manner as in the second embodiment of the present invention. Therefore, the description thereof will be replaced with the description of the second sealing member 500.

As described above, the organic light emitting diode 40 according to the fourth exemplary embodiment of the present invention provides the same effect as the organic light emitting diodes 10 and 20 according to the first or second exemplary embodiment.

FIG. 15 is an exploded perspective view schematically illustrating an organic light emitting device according to a fifth exemplary embodiment of the present invention, and FIG. 16 is a cross-sectional view illustrating a cross section taken along a line C-C shown in FIG. 15.

15 and 16, the organic light emitting device 50 according to the fifth embodiment of the present invention includes a substrate 100, a first light emitting member 200, a second light emitting member 800, and a first sealing member. 400, and a second sealing member 500.

The substrate 100 is made of a material such as glass or plastic, and preferably made of a transparent material.

The first light emitting member 200 is formed on the upper surface of the substrate 100 to have a relatively larger area than the second light emitting member 800. Since the first light emitting member 200 has the same configuration as the first light emitting member of the organic light emitting device 10 according to the first embodiment of the present invention described above, a detailed description thereof will be replaced with the above description. do.

On the other hand, the first light emitting member 200 may be configured in the same manner as the first light emitting member 600 of the organic light emitting device 20 according to the second embodiment of the present invention described above.

The second light emitting member 800 is formed on the bottom surface of the substrate 100 to have a smaller area than the first light emitting member 200. That is, the light emitting region of the second light emitting member 800 overlaps the center region of the first light emitting member 200.

The second light emitting member 800 includes a second electrode part 310, a second organic layer 320, and a second electrode layer 830. Since the second light emitting member 800 having the above configuration has the same configuration as the second light emitting member of the organic light emitting device 10 according to the first embodiment of the present invention except for the second electrode layer 830. Detailed description of the same configuration will be replaced with the above description.

The second electrode layer 830 is formed on the second organic layer 320 to provide electrons to the second organic layer 320. The second electrode layer 830 is made of an opaque material having a high reflectance for reflecting white light emitted from the second organic layer 320 to the upper surface of the substrate 100. For example, the second electrode layer 830 has a low work function and has a low resistance, and may include aluminum (Al), calcium (Ca), chromium (Cr), copper (Cu), gold (Au), and iron (Fe). ), Molybdenum (Mo), nickel (Ni), platinum (Pt), silver (Ag), or zinc (Zn), or a material selected from the alloy or lithium fluoride (Lithium Fluoride), lithium oxide (Lithium Oxide), Calcium Oxide, Strontium Oxide, Cesium Oxide, or Magnesium Fluoride.

As described above, the second light emitting member 800 emits the second organic layer 320 formed between the second electrode part 310 and the second electrode layer 830 to generate white light, and generates the second electrode layer 830. By emitting the white light generated through the first light emitting member 200 to compensate for the light emission unevenness of the first light emitting member 200. In this case, the second light emitting member 800 supplies a uniform current to the entire second transparent electrode layer 312 through the second auxiliary electrode pattern 314 to the entire surface of the light emitting region corresponding to the second transparent electrode layer 312. It evenly emits light over and emits uniform white light.

The first sealing member 400 is formed of a transparent material on the upper surface of the substrate 100 to seal the first light emitting member 200, and is formed of a protective film or a seal cap in the same manner as in the first embodiment of the present invention. .

The second sealing member 500 is formed of a transparent material on the lower surface of the substrate 100 to seal the second light emitting member 800, and is formed of a protective film or a seal cap as in the first embodiment of the present invention. Therefore, the description thereof will be replaced with the description of the second sealing member 500.

In the organic light emitting diode device 50 according to the fifth embodiment of the present invention, the first light emitting member 200 is formed on the upper surface of the substrate 100, and the light emission corresponding to the central region of the first light emitting member 200 is performed. A second light emitting member 800 having an area is formed on the bottom surface of the substrate 100 to emit white light emitted from the second light emitting member 800 in the upper surface direction of the substrate 100.

Accordingly, the organic light emitting device 50 according to the fifth embodiment of the present invention improves luminance and compensates for light emission unevenness of the first light emitting member 200 through white light emitted from the second light emitting member 800. Thus, luminance, color coordinates, emission spectrum, and lifetime can be further improved.

FIG. 17 is an exploded perspective view schematically illustrating an organic light emitting device according to a sixth embodiment of the present invention, and FIG. 18 is a cross-sectional view illustrating a cross section taken along a line D-D shown in FIG. 17.

17 and 18, an organic light emitting device 60 according to a sixth exemplary embodiment of the present invention may include a substrate 100, a first light emitting member 600, a second light emitting member 900, and a first sealing member. 400, and a second sealing member 500.

The substrate 100 is made of a material such as glass or plastic, and preferably made of a transparent material.

The first light emitting member 600 is formed on the upper surface of the substrate 100 to have a larger area than the second light emitting member 900. Since the first light emitting member 600 has the same configuration as the first light emitting member of the organic light emitting device 20 according to the second embodiment of the present invention described above, a detailed description thereof will be replaced with the above description. do.

On the other hand, the first light emitting member 600 may be configured in the same manner as the first light emitting member 200 of the organic light emitting device 10 according to the first embodiment of the present invention described above.

The second light emitting member 900 is formed on the bottom surface of the substrate 100 to have a smaller area than the first light emitting member 600. That is, the light emitting region of the second light emitting member 900 overlaps the center region of the first light emitting member 600.

The second light emitting member 900 includes a second electrode part 710, a second organic layer 320, and a second electrode layer 930. The second light emitting member 900 having such a configuration has the same configuration as the second light emitting member of the organic light emitting device 20 according to the second embodiment of the present invention except for the second electrode layer 930. Detailed description of the same configuration will be replaced with the above description.

The second electrode layer 930 is formed on the second organic layer 320 to provide electrons to the second organic layer 320. The second electrode layer 930 is made of an opaque material having a high reflectance for reflecting white light emitted from the second organic layer 320 to the upper surface of the substrate 100. For example, the second electrode layer 930 has a low work function and has a low resistance such as aluminum (Al), calcium (Ca), chromium (Cr), copper (Cu), gold (Au), or iron (Fe). ), Molybdenum (Mo), nickel (Ni), platinum (Pt), silver (Ag), or zinc (Zn), or a material selected from alloys or alloys, or lithium fluoride, lithium oxide, calcium oxide, strontium oxide, cesium oxide Or magnesium fluoride.

As described above, the second light emitting member 900 emits the second organic layer 320 formed between the second electrode portion 710 and the second electrode layer 930 to generate white light, and generates the second electrode layer 930. By emitting the white light generated through the first light emitting member 600 to compensate for the light emission unevenness of the first light emitting member 600. In this case, the second light emitting member 900 supplies a uniform current to the entire second transparent electrode layer 718 through the second auxiliary electrode pattern 712 to the entire surface of the light emitting region corresponding to the second transparent electrode layer 718. It evenly emits light over and emits uniform white light.

The first sealing member 400 is formed of a transparent material on the upper surface of the substrate 100 to seal the first light emitting member 600, and is formed of a protective film or a seal cap in the same manner as in the first embodiment of the present invention. .

The second sealing member 500 is formed of a transparent material on the lower surface of the substrate 100 to seal the second light emitting member 900, and is formed of a protective film or seal cap in the same manner as in the first embodiment of the present invention. Therefore, the description thereof will be replaced with the description of the second sealing member 500.

In the organic light emitting device 60 according to the sixth embodiment of the present invention, the first light emitting member 600 is formed on the upper surface of the substrate 100, and the light emission corresponding to the central region of the first light emitting member 600 is performed. A second light emitting member 900 having an area is formed on the bottom surface of the substrate 100 to emit white light emitted from the second light emitting member 900 in the direction of the top surface of the substrate 100.

Therefore, the organic light emitting device 60 according to the sixth embodiment of the present invention improves luminance and compensates for light emission unevenness of the first light emitting member 600 through white light emitted from the second light emitting member 900. Thus, luminance, color coordinates, emission spectrum, and lifetime can be further improved.

The first insulating layers 216 and 614 and the second insulating layer 316 included in the organic light emitting apparatuses 10, 20, 30, 40, 50, and 60 according to the first to sixth embodiments of the present invention described above. 714, each as shown in FIG. 19, may comprise dispersed dispersed particles 1000.

The dispersed particles 1000 improve the insulation effect of the insulating layers 216, 316, 614, and 714, and scatter or reflect incident light, thereby improving light emission uniformity and light emission efficiency. To this end, the dispersed particles 1000 may be made of a ceramic material.

Meanwhile, each of the organic light emitting devices 10, 20, 30, 40, 50, and 60 according to the first to sixth embodiments of the present invention may be formed in a large area and installed on a wall or a ceiling to be used as a lighting device. have.

Those skilled in the art to which the present invention pertains will understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features. Therefore, it is to be understood that the embodiments described above are exemplary in all respects and not restrictive. The scope of the present invention is shown by the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalent concepts should be construed as being included in the scope of the present invention. do.

10: organic light emitting device 100: substrate
200: first light emitting member 210: first electrode portion
212: first transparent electrode layer 214: first auxiliary electrode pattern
216: first insulating layer 220: first organic layer
230: first electrode layer 300: second light emitting member
310: second electrode portion 312: second transparent electrode layer
314: second auxiliary electrode pattern 316: second insulating layer
320: second organic layer 330: second electrode layer
400: first sealing member 500: second sealing member

Claims (26)

Board;
A first electrode portion formed on the first surface of the substrate to include a first transparent electrode layer and a first auxiliary electrode pattern partially connected to the first transparent electrode layer;
A first organic layer formed on the first electrode part to include a plurality of light emitting layers;
A first electrode layer formed on the first organic layer;
A second electrode portion formed on the second surface of the substrate to include a second transparent electrode layer and a second auxiliary electrode pattern partially connected to the second transparent electrode layer;
A second organic layer formed on the second electrode part to include a plurality of second light emitting layers; And
And a second electrode layer formed on the second organic layer. The method of claim 1,
Each of the first and second auxiliary electrode patterns may be
A plurality of line patterns formed on the substrate to be partially connected to the transparent electrode layer; And
And a common line formed on the substrate so as to be commonly connected to the plurality of line patterns. The method of claim 2,
Each of the plurality of line patterns is the same or different from each other. An organic light emitting device having a line resistance. The method of claim 2,
At least one of the plurality of line patterns is formed to have a form of any one of a straight form, a curved form, and a zigzag form. The method of claim 3, wherein
And each of the plurality of line patterns is electrically connected to a central portion of each of the defining regions of the transparent electrode layer defined by a predetermined area. The method of claim 1,
The first electrode unit,
The first transparent electrode layer formed on the first surface of the substrate;
The first auxiliary electrode pattern partially formed on the first transparent electrode layer; And
And a first insulating layer formed on the first transparent electrode layer to have the same shape as that of the first auxiliary electrode pattern, and electrically insulating the first auxiliary electrode pattern and the first organic layer. Organic light emitting device. The method according to claim 6,
The second electrode unit,
The second transparent electrode layer formed on the second surface of the substrate;
The second auxiliary electrode pattern partially formed on the second transparent electrode layer; And
And a second insulating layer formed on the second transparent electrode layer to have the same shape as the second auxiliary electrode pattern and electrically insulating the second auxiliary electrode pattern and the second organic layer. Organic light emitting device. The method according to claim 6,
The second electrode unit,
The second auxiliary electrode pattern partially formed on the second surface of the substrate;
A second insulating layer formed on the second surface of the substrate to cover the second auxiliary electrode pattern;
A plurality of second contact holes formed in the second insulating layer overlapping the second auxiliary electrode pattern to expose a portion of the second auxiliary electrode pattern; And
And the second transparent electrode layer formed on the second insulating layer having the plurality of second contact holes and electrically connected to the second auxiliary electrode pattern through the plurality of second contact holes. An organic light emitting device. The method of claim 1,
The first electrode unit,
The first auxiliary electrode pattern partially formed on the first surface of the substrate;
A first insulating layer formed on the first surface of the substrate to cover the first auxiliary electrode pattern;
A plurality of first contact holes formed in the first insulating layer overlapping the first auxiliary electrode pattern to expose a portion of the first auxiliary electrode pattern; And
And the first transparent electrode layer formed on the first insulating layer having the plurality of first contact holes and electrically connected to the first auxiliary electrode pattern through the plurality of first contact holes. An organic light emitting device. The method of claim 9,
The second electrode unit,
The second transparent electrode layer formed on the second surface of the substrate;
The second auxiliary electrode pattern partially formed on the second transparent electrode layer; And
And a second insulating layer formed on the second transparent electrode layer to have the same shape as the second auxiliary electrode pattern and electrically insulating the second auxiliary electrode pattern and the second organic layer. Organic light emitting device. The method of claim 9,
The second electrode unit,
The second auxiliary electrode pattern partially formed on the second surface of the substrate;
A second insulating layer formed on the second surface of the substrate to cover the second auxiliary electrode pattern;
A plurality of second contact holes formed in the second insulating layer overlapping the second auxiliary electrode pattern to expose a portion of the second auxiliary electrode pattern; And
And the second transparent electrode layer formed on the second insulating layer having the plurality of second contact holes and electrically connected to the second auxiliary electrode pattern through the plurality of second contact holes. An organic light emitting device. The method according to any one of claims 1 to 11,
At least one of the first electrode layer and the second electrode layer is formed of a transparent material. The method according to any one of claims 1 to 11,
The first electrode portion, the first organic layer, and the first electrode layer constitute a first light emitting member, and the second electrode portion, the second organic layer, and the second electrode layer constitute a second light emitting member,
And the second light emitting member is formed to have the same area as the first light emitting member or has a smaller area than the first light emitting member. The method of claim 13,
The first electrode layer is formed of a transparent material,
And the second electrode layer is formed of an opaque reflective material to reflect light emitted from the second light emitting member toward the first surface of the substrate. The method according to any one of claims 1 to 11,
And a plurality of each of the first and second electrode portions stacked between the substrate and the organic layer. The method according to any one of claims 1 to 11,
The first electrode portion, the first organic layer, and the first electrode layer constitute a first light emitting member, and the second electrode portion, the second organic layer, and the second electrode layer constitute a second light emitting member,
A first sealing member formed on the first surface of the substrate to seal the first light emitting member; And
And a second sealing member formed on the second surface of the substrate to seal the second light emitting member. 12. The method according to any one of claims 6 to 11,
The insulating layer is an organic light emitting device, characterized in that comprising a dispersed particle formed of a ceramic material. The method according to any one of claims 6, 7, and 10,
The first and second auxiliary electrode patterns have a mesh shape. An illumination device comprising the organic light emitting device according to any one of claims 1 to 11. The method of claim 19,
At least one of the first electrode layer and the second electrode layer is an illumination device, characterized in that formed of a transparent material. The method of claim 19,
The first electrode portion, the first organic layer, and the first electrode layer constitute a first light emitting member, and the second electrode portion, the second organic layer, and the second electrode layer constitute a second light emitting member,
And the second light emitting member is formed to have the same area as the first light emitting member or to have a relatively smaller area than the first light emitting member. The method of claim 21,
The first electrode layer is formed of a transparent material,
And the second electrode layer is formed of an opaque reflective material to reflect light emitted from the second light emitting member toward the first surface of the substrate. The method of claim 19,
And each of the first and second electrode portions is stacked in plurality between the substrate and the organic layer. The method of claim 19,
The first electrode portion, the first organic layer, and the first electrode layer constitute a first light emitting member, and the second electrode portion, the second organic layer, and the second electrode layer constitute a second light emitting member,
The organic light emitting device,
A first sealing member formed on the first surface of the substrate to seal the first light emitting member; And
And a second sealing member formed on the second surface of the substrate to seal the second light emitting member. An illumination device comprising the organic light emitting device according to claim 17. An illumination device comprising the organic light emitting device according to claim 18.

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