CN201868436U - Organic light emitting diode (OLED) illumination panel - Google Patents
Organic light emitting diode (OLED) illumination panel Download PDFInfo
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- CN201868436U CN201868436U CN2010205771385U CN201020577138U CN201868436U CN 201868436 U CN201868436 U CN 201868436U CN 2010205771385 U CN2010205771385 U CN 2010205771385U CN 201020577138 U CN201020577138 U CN 201020577138U CN 201868436 U CN201868436 U CN 201868436U
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Abstract
The utility model discloses an organic light emitting diode (OLED) illumination panel, which structurally comprises an anode layer and a cathode layer, wherein both a luminescent layer and an auxiliary electrode are arranged between the anode layer and the cathode layer, the anode layer is formed by a transparent anode, the cathode layer is formed by a metal cathode, the auxiliary electrode is communicated with the transparent anode, the auxiliary electrode consists of a plurality of independent auxiliary electrode single bodies, and each auxiliary electrode single body is communicated with the transparent anode. Each auxiliary electrode single body has identical or different shapes. The auxiliary electrode of the OLED illumination panel consists of the plurality of auxiliary electrode single bodies, the auxiliary electrode which is arranged on the transparent anode is changed to a visible structure, and the property of the electrode that is opaque is utilized to form tiny spot patterns, so the OLED illumination panel is more attractive, size and density of the auxiliary electrodes are determined according to the voltage drop on different parts of the illumination panel, and the anode impedance can be further reduced, and the brightness homogeneity of the panel can be improved.
Description
Technical field
The utility model relates to a kind of OLED illumination panel, belongs to illumination panel manufacturing technology field.
Background technology
Existing OLED illumination panel is by the transparent anode layer, luminescent layer and metallic cathode layer are formed, described anode layer is made of transparent anode, described cathode layer is made of metallic cathode, because the resistance of transparent anode side is bigger, is about 10 Ω/, voltage drop is serious, general OLED face is luminous to be obvious more from the place voltage drop phenomenon far away more of power supply supply, causes illumination panel that tangible brightness irregularities phenomenon is arranged.For improving the inhomogeneities of illumination panel brightness, people have proposed a lot of schemes, basically all be on the transparent anode layer, to increase to be communicated with described transparent anode, and the auxiliary electrode that is interconnected between self because side's resistance of auxiliary electrode is less, is about 1 Ω/, current voltage drop reduces, during energising, the impedance and the current voltage drop of the transparent anode of panel are reduced, brightness uniformity is improved.
In the prior art, the arrangement of the auxiliary electrode that increases is generally criss-cross and arranges, be that auxiliary electrode is the network structure that is interconnected on the transparent anode layer, its underpart is communicated with described transparent anode, top is positioned at luminescent layer, so whole auxiliary electrode is less along the thickness of thickness of illuminated direction, the effect of improving of counter plate brightness uniformity is subjected to bigger restriction; In addition, because auxiliary electrode is opaque, light can't pass, therefore increase auxiliary electrode after, be positioned at the light that the luminescent layer of auxiliary electrode top sends and can't enter the transparent anode layer, the auxiliary electrode aesthetics that the criss-cross of original dullness is arranged is relatively poor.
The utility model content
In order to overcome existing OLED illumination panel brightness uniformity effect and the relatively poor deficiency of aesthetics, technical problem to be solved in the utility model provides a kind of brightness uniformity and OLED illumination panel attractive in appearance taken into account.
The technical scheme that its technical problem that solves the utility model adopts is: the OLED illumination panel, comprise anode layer, cathode layer, luminescent layer and auxiliary electrode are all between anode layer and cathode layer, described anode layer is made of transparent anode, described cathode layer is made of metallic cathode, described auxiliary electrode is communicated with described transparent anode, described auxiliary electrode by each separately independently the auxiliary electrode monomer form, each auxiliary electrode monomer is communicated with described transparent anode.
Described auxiliary electrode monomer is of similar shape.
Described auxiliary electrode monomer has two or more shapes.
The beneficial effects of the utility model are: auxiliary electrode of the present utility model is made up of several auxiliary electrode monomers, the lateral dimension of auxiliary electrode monomer generally can be greater than existing arrangement mode, can reduce anode impedance and improve the panel luminance uniformity, and, the auxiliary electrode of arranging can be become macroscopic structure on transparent anode, and be the structure that disperses, more be imbued with design, utilize the opaque characteristic of auxiliary electrode to make fragmentarily pattern, make the OLED illumination panel more attractive in appearance, also be convenient to size and density, with the further panel luminance uniformity of improving according to the voltage drop decision auxiliary electrode monomer of different parts on the illumination panel.
Description of drawings
Fig. 1 is the structural representation of OLED illumination panel.
Fig. 2 is existing OLED illumination panel auxiliary electrode arrangement schematic diagram.
Fig. 3 is an OLED illumination panel auxiliary electrode arrangement schematic diagram of the present utility model.
Fig. 4 is another schematic diagram of OLED illumination panel auxiliary electrode arrangement of the present utility model.
Be labeled as 1-cathode layer, 2-luminescent layer, 3-auxiliary electrode, 4-anode layer, 5-auxiliary electrode monomer among the figure.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
As Fig. 1, Fig. 3 and shown in Figure 4, OLED illumination panel of the present utility model comprises anode layer 4, cathode layer 1, luminescent layer 2 and auxiliary electrode 3 are all between anode layer 4 and cathode layer 1, described anode layer 4 is made of transparent anode, described cathode layer 1 is made of metallic cathode, described auxiliary electrode 3 is communicated with described transparent anode, described auxiliary electrode 3 by each separately independently auxiliary electrode monomer 5 form, each auxiliary electrode monomer 5 is communicated with described transparent anode.The auxiliary electrode that to arrange on transparent anode becomes macroscopic structure, and be the structure that disperses, more be imbued with design, the lateral dimension of auxiliary electrode monomer generally can be greater than existing arrangement mode, can reduce anode impedance and improve the panel luminance uniformity, utilizing the opaque characteristic people of auxiliary electrode is the pattern that produces fragmentarily, make the OLED illumination panel more attractive in appearance, and, can determine the size and the density of auxiliary electrode according to the voltage drop of different parts on the illumination panel, with the further panel luminance uniformity of improving.
If will conveniently make, described auxiliary electrode monomer 5 can be of similar shape, and described shape can be ornamental stronger shapes such as heart, star, falcate.
If will further improve the uniformity of brightness, as shown in Figure 3 and Figure 4, can be the size variation of single auxiliary electrode monomer 5, also can be change of shape, also can be variable density, the perhaps above combination that changes.
Claims (3)
1.OLED illumination panel, comprise anode layer (4), cathode layer (1), luminescent layer (2) and auxiliary electrode (3) all are positioned between anode layer (4) and the cathode layer (1), described anode layer (4) is made of transparent anode, described cathode layer (1) is made of metallic cathode, described auxiliary electrode (3) is communicated with described transparent anode, it is characterized in that: described auxiliary electrode (3) by each separately independently auxiliary electrode monomer (5) form, each auxiliary electrode monomer (5) is communicated with described transparent anode.
2. OLED illumination panel as claimed in claim 1 is characterized in that: described auxiliary electrode monomer (5) is of similar shape.
3. OLED illumination panel as claimed in claim 1 is characterized in that: described auxiliary electrode monomer (5) has two or more shapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205771385U CN201868436U (en) | 2010-10-26 | 2010-10-26 | Organic light emitting diode (OLED) illumination panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205771385U CN201868436U (en) | 2010-10-26 | 2010-10-26 | Organic light emitting diode (OLED) illumination panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201868436U true CN201868436U (en) | 2011-06-15 |
Family
ID=44139583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205771385U Expired - Lifetime CN201868436U (en) | 2010-10-26 | 2010-10-26 | Organic light emitting diode (OLED) illumination panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201868436U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098739A (en) * | 2016-07-21 | 2016-11-09 | 广州新视界光电科技有限公司 | A kind of OLED illumination panel and preparation method thereof |
| CN107359274A (en) * | 2017-06-27 | 2017-11-17 | 上海天马有机发光显示技术有限公司 | The preparation method of display panel, display device and display panel |
-
2010
- 2010-10-26 CN CN2010205771385U patent/CN201868436U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098739A (en) * | 2016-07-21 | 2016-11-09 | 广州新视界光电科技有限公司 | A kind of OLED illumination panel and preparation method thereof |
| CN106098739B (en) * | 2016-07-21 | 2019-06-04 | 广州新视界光电科技有限公司 | A kind of OLED illumination panel and preparation method thereof |
| CN107359274A (en) * | 2017-06-27 | 2017-11-17 | 上海天马有机发光显示技术有限公司 | The preparation method of display panel, display device and display panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110615 |
|
| CX01 | Expiry of patent term |