CN105451402A - OLED planar lighting device - Google Patents
OLED planar lighting device Download PDFInfo
- Publication number
- CN105451402A CN105451402A CN201410403451.XA CN201410403451A CN105451402A CN 105451402 A CN105451402 A CN 105451402A CN 201410403451 A CN201410403451 A CN 201410403451A CN 105451402 A CN105451402 A CN 105451402A
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- Prior art keywords
- overlap joint
- electrode
- joint electrode
- wiring board
- print wiring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Electroluminescent Light Sources (AREA)
Abstract
An OLED planar lighting device includes a substrate, a first electrode unit, an organic light-emitting film layer structure, a second electrode unit, at least two lapping electrode groups and at least two identical flexible printed circuit boards. The substrate includes a setting surface having a light-emitting region and a peripheral region. The first electrode unit, the organic light-emitting film layer structure and the second electrode unit are arranged in the light-emitting region in an overlapped manner in sequence from bottom to top. The lapping electrode groups are arranged in the peripheral region at an interval. Each lapping electrode group includes a plurality of lapping electrodes. Each flexible printed circuit board includes a flexible substrate and a plurality of conducting circuits arranged on the flexible substrate at intervals. Lapping end parts of the conducting circuits can be used for lap joint with the lapping electrodes in a one-to-one manner. Each lapping electrode is in lap joint with the lapping end part of one of the conducting circuits.
Description
Technical field
The present invention relates to a kind of lighting device, particularly relate to a kind of OLED planar lighting device.
Background technology
Consult Fig. 1, existing a kind of OLED (OrganicLightEmittingDiode) planar lighting device 1 comprises a substrate 11, OLED light emitting module 12, and two flexible print wiring boards 13 (FlexiblePrintedCircuit, FPC).This substrate 11 comprises an installation surface 110, this installation surface 110 there is light-emitting zone 111 that this OLED light emitting module 12 of a confession arranges and one to be positioned at outside this light-emitting zone 111 and there is the neighboring area 113 of two spaced electrode bonding regions 112.Described electrode bonding region 112 engages for described flexible print wiring board 13, to provide power supply supply and the signal transmission of this OLED light emitting module 12 correspondence respectively.
Because OLED planar lighting device 1 is when operating, the big current having more than one ampere flows through the contact of above-mentioned electrode bonding region 112 and flexible print wiring board 13, therefore can design the two groups of power supply supply contacts laying respectively at described electrode bonding region 112 to shunt on OLED planar lighting device 1, one of them contact of each group of power supply supply contact is (as number in the figure 14, the contact of 15) be electrically connected the anode of an external power supply (not shown), and respectively organize power supply supply contact another contact (as number in the figure 16, the contact of 17) be electrically connected the negative electrode of this external power supply, thus avoid big current only flow through some contacts and burn.
But, because the contact arrangement design in described electrode bonding region 112 is not identical, therefore design two kinds is needed to have the flexible print wiring board 13 of different circuit distribution, with the contact arrangement of the corresponding described electrode bonding region 112 of difference, not only improve the production cost of described flexible print wiring board 13, and also easily cause the risk of flexible print wiring board 13 batch mixing of above-mentioned different size, the flexible print wiring board 13 joining non-corresponding to is completed once one of them electrode bonding region 112, not only can make this OLED planar lighting device 1 disabler, more serious words then can be made the inner electrical short of this OLED planar lighting device 1 and burn, now instead of be re-engaged that the flexible print wiring board 13 of correct correspondence can remedy.
Summary of the invention
The object of the present invention is to provide and a kind ofly effectively can reduce production cost and the OLED planar lighting device avoiding flexible print wiring board mistake to engage.
OLED planar lighting device of the present invention comprises a substrate, first electrode unit, an organic light emission film layer structure, the second electrode unit, at least two overlap joint electrode groups, and the flexible print wiring board that at least two identical.
This substrate comprises an installation surface.This installation surface has a light-emitting zone and a neighboring area be positioned at outside this light-emitting zone.
This first electrode unit covers on this light-emitting zone.
This organic light emission film layer structure lid covers and is electrically connected on this first electrode unit.
This second electrode unit lid covers and is electrically connected on this organic light emission film layer structure.
Described overlap joint electrode group is arranged at intervals at this neighboring area.Each overlap joint electrode group comprises and is severally spaced and is electrically connected the overlap joint electrode of this first electrode unit and this second electrode unit wherein one respectively.
Described flexible print wiring board is overlapped in described overlap joint electrode group respectively, and each flexible print wiring board comprises a flexible substrate and several conducting wire be arranged at intervals on this flexible substrate.Described conducting wire has an overlapping end respectively.Described overlapping end can overlap in mode one to one for described overlap joint electrode respectively.
Wherein, each overlap joint electrode is overlapped in the overlapping end of described conducting wire wherein one.
Preferably, the quantity of the conducting wire of described flexible print wiring board is not less than the quantity of the overlap joint electrode of each overlap joint electrode group.
Preferably, the quantity of the conducting wire of described flexible print wiring board is greater than the quantity of the overlap joint electrode of at least one in described overlap joint electrode group, above-mentioned overlap joint electrode group also comprises at least one dummy electrodes, the overlap joint electrode in above-mentioned overlap joint electrode and dummy electrodes is matched be the overlapping end of the whole conducting wires can distinguished on each flexible print wiring board of corresponding overlap joint.
Preferably, the area of each overlap joint electrode is not less than 0.16mm
2.
Beneficial effect of the present invention is: by the flexible print wiring board using same design specification, and make each overlap joint electrode all can be overlapped in the overlapping end of the conducting wire of above-mentioned flexible print wiring board in mode one to one, to solve the flexible print wiring that existing need manufacture and design different size, thus reduction production cost, and avoid the risk of flexible print wiring batch mixing.
Accompanying drawing explanation
Fig. 1 is a schematic diagram, and an existing OLED planar lighting device is described;
Fig. 2 is a schematic diagram, and an embodiment of OLED planar lighting device of the present invention is described;
Fig. 3 is one along the cutaway view acquired by the straight line III-III in Fig. 2; And
Fig. 4 is a schematic diagram, and the enforcement aspect that two overlap joint electrode groups of this embodiment are different is described.
Embodiment
Consult Fig. 2 and Fig. 3, an embodiment of OLED planar lighting device of the present invention, comprise a substrate 2, first electrode unit 3, organic light emission film layer structure 4, second electrode unit 5, two overlap joint electrode group 6, and the flexible print wiring board 7 that two identical.
This substrate 2 comprises an installation surface 21.This installation surface 21 has a light-emitting zone 211 and a neighboring area 212 be positioned at outside this light-emitting zone 211.This substrate 2 is selected from pliability or non-flexible material, wherein, flexible material is made by macromolecular material, this macromolecular material is optional from polyethylene terephthalate (polyethyleneterephthalate), Merlon (polycarbonate), polyacrylic acid (polyacrylicacid), and an aforementioned combination wherein, but not flexible material selectable from glass, quartz, or acrylic plate.
This first electrode unit 3 is covered in the light-emitting zone 211 of the installation surface 21 of this substrate 2.This organic light emission film layer structure 4 lid covers and is electrically connected on this first electrode unit 3.This second electrode unit 5 is that a lid covers and is electrically connected on the conductive film layer of this organic light emission film layer structure 4.This organic light emission film layer structure 4 sequentially has electric hole implanted layer (holeinjectionlayer), electric hole transport layer (holetransferlayer), an organic luminous layer (emissivelayer), an electron transfer layer (electrontransferlayer) substantially towards the direction of this second electrode unit 5 from this first electrode unit 3, and an electron injecting layer (electroninjectionlayer).Be familiar with these those skilled in the art all to know, the basic aspect of this organic light emission film layer structure 4 is as previously described, has the thin portion structure not technology emphasis of the present invention about this organic light emission film layer structure 4, no longer adds to repeat in this.
This first electrode unit 3 has a patterned electrode layer 31 and several Bus Wires 32.This patterned electrode layer 31 has several block type electrode 311.Described block type electrode 311 to be spaced perpendicular to the second direction Y of this first direction X and in matrix spread configuration along a first direction X and essence.Described Bus Wire 32 this second direction parallel extends and is arranged at intervals between described block type electrode 311 along this first direction X, and each Bus Wire 32 tandem wherein several described block type electrode.It is worth mentioning that the quantity of this patterned electrode layer 31 structural design, described Bus Wire 32 and not being limited with above-mentioned with the two annexation can change to some extent according to different illumination functions design.
In the present embodiment, this first electrode unit 3 uses as anode, and this second electrode unit 5 uses as negative electrode.This patterned electrode layer 31 be by a transparent conductive material (as, ITO) forming, described Bus Wire 32 quantity is made up of electrical conductivity (electricity) and all high metal material of work function (workingfunction) by two and respectively.This second electrode unit 5 can look demand, uses transparent conductive material or high-conductivity metal.
Described overlap joint electrode group 6 is arranged at intervals at the neighboring area 212 of the installation surface 21 of this substrate 2.Each overlap joint electrode group 6 comprises several spaced overlap joint electrode 61.The overlap joint electrode 61 of each overlap joint electrode group 6 wherein counts person and is electrically connected described Bus Wire 32 in mode one to one and wherein counts person, but all the other overlap joint 61, electrodes of each overlap joint electrode group 6 are in order to be electrically connected this second electrode unit 5.In the present embodiment, overlap joint electrode 61 quantity of described overlap joint electrode group 6 is identical and be ten, and arrangement mode between both overlap joint electrodes 61 is identical.In addition, the area of each overlap joint electrode 61 is not less than 0.16mm
2.
Described flexible print wiring board 7 is overlapped in described overlap joint electrode group 6 respectively, and each flexible print wiring board 7 comprises a flexible substrate 71 and several are arranged at intervals at conducting wire 72 on this flexible substrate 71.Described conducting wire 72 has an overlapping end 721 respectively.Described overlapping end 721 is overlapped in described overlap joint electrode 61 in mode one to one respectively; Wherein, each overlap joint electrode 61 is overlapped in the overlapping end 721 of described conducting wire 72 wherein one.
Because the arrangement mode of the overlap joint electrode 61 of described overlap joint electrode group 6 is identical, described flexible print wiring board 7 therefore can be made to use the flexible print wiring board of same design specification, the conducting wire 72 namely on described flexible print wiring board 7 arrange and cabling identical.
Be understandable that, when specifically implementing, the number of described overlap joint electrode group 6, described flexible print wiring board 7 also can be not limited to two, and is multiple.Wherein, the quantity of the conducting wire 72 of described flexible print wiring board 7 is not less than the quantity of the overlap joint electrode 61 of each overlap joint electrode group 6.
Particularly, consult Fig. 4, when OLED planar lighting device changes to some extent according to different illumination functions design, namely during all variation of the quantity of the described overlap joint electrode group 6 wherein overlap joint electrode 61 of one or both, namely the quantity of the overlap joint electrode 61 of required this first electrode unit 3 of electrical connection of above-mentioned overlap joint electrode group 6 and this second electrode unit 5 is less than the quantity of the conducting wire 72 of above-mentioned flexible print wiring board 7, above-mentioned overlap joint electrode group 6 need increase by one or several dummy electrodes (dummypad) 62 is supplied, overlap joint electrode 61 in each overlap joint electrode group 6 and dummy electrodes 62 are matched be the overlapping end 721 of the whole conducting wires 72 can distinguished on each flexible print wiring board of corresponding overlap joint 7.Whereby, described flexible print wiring board 7 also can be made to continue to use the flexible print wiring board of same design specification.In these supplementary notes, above-mentioned dummy electrodes 62 is not electrically connected any assembly of this OLED planar lighting device.
In sum, OLED planar lighting device of the present invention is by two overlap joint electrodes 61 having aligned identical and design of described overlap joint electrode group 6, therefore the flexible print wiring board 7 of same design specification can be used, to solve the flexible print wiring 7 that existing need manufacture and design different size, thus reduction production cost, and avoid the risk of flexible print wiring 7 batch mixing.In addition, when the quantity of the overlap joint electrode 61 of each overlap joint electrode group 6 is less than the quantity of the conducting wire 72 of above-mentioned flexible print wiring board 7, can supply by the mode of newly-increased dummy electrodes 62, overlapping end 721 for described conducting wire 72 carries out corresponding overlap joint, therefore really can reach the object of the present invention.
As described above, be only preferred embodiment of the present invention, when can not limit the scope of the invention process with this, the simple equivalence namely generally done according to the present patent application claims and description changes and modifies, and all still belongs to the scope that the present invention is contained.
Claims (4)
1. an OLED planar lighting device, it is characterized in that: this OLED planar lighting device comprises a substrate, first electrode unit, an organic light emission film layer structure, the second electrode unit, at least two overlap joint electrode groups, and the flexible print wiring board that at least two identical; This substrate comprises an installation surface, and this installation surface has a light-emitting zone and a neighboring area be positioned at outside this light-emitting zone; This first electrode unit covers on this light-emitting zone; This organic light emission film layer structure lid covers and is electrically connected on this first electrode unit; This second electrode unit lid covers and is electrically connected on this organic light emission film layer structure; Described overlap joint electrode group is arranged at intervals at this neighboring area, and each overlap joint electrode group comprises and is severally spaced and is electrically connected the overlap joint electrode of this first electrode unit and this second electrode unit wherein one respectively; Described flexible print wiring board is overlapped in described overlap joint electrode group respectively, and each flexible print wiring board comprises a flexible substrate and several conducting wire be arranged at intervals on this flexible substrate, described conducting wire has an overlapping end respectively, and described overlapping end can overlap in mode one to one for described overlap joint electrode respectively; Wherein, each overlap joint electrode is overlapped in the overlapping end of described conducting wire wherein one.
2. OLED planar lighting device according to claim 1, is characterized in that: the quantity of the conducting wire of described flexible print wiring board is not less than the quantity of the overlap joint electrode of each overlap joint electrode group.
3. OLED planar lighting device according to claim 2, it is characterized in that: the quantity of the conducting wire of described flexible print wiring board is greater than the quantity of the overlap joint electrode of at least one in described overlap joint electrode group, above-mentioned overlap joint electrode group also comprises at least one dummy electrodes, the overlap joint electrode in above-mentioned overlap joint electrode and dummy electrodes is matched be the overlapping end of the whole conducting wires can distinguished on each flexible print wiring board of corresponding overlap joint.
4. OLED planar lighting device according to any one of claim 1 to 3, is characterized in that: the area of each overlap joint electrode is not less than 0.16mm
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410403451.XA CN105451402A (en) | 2014-08-18 | 2014-08-18 | OLED planar lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410403451.XA CN105451402A (en) | 2014-08-18 | 2014-08-18 | OLED planar lighting device |
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| Publication Number | Publication Date |
|---|---|
| CN105451402A true CN105451402A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410403451.XA Pending CN105451402A (en) | 2014-08-18 | 2014-08-18 | OLED planar lighting device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420822A (en) * | 2017-04-26 | 2017-12-01 | 上海小糸车灯有限公司 | A kind of OLED automobile lightings screen body and automobile lamp |
| CN107945683A (en) * | 2018-01-08 | 2018-04-20 | 陆少韬 | The front end assemblies being applied on smart machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1344025A (en) * | 2000-09-13 | 2002-04-10 | 精工爱普生株式会社 | Distribution base, its mfg. method, displaying device and electronic device |
| CN101131800A (en) * | 2006-08-22 | 2008-02-27 | 三星电子株式会社 | Display device, flexible member, and method thereof |
| CN102065593A (en) * | 2009-10-27 | 2011-05-18 | 松下电工株式会社 | Light emitting module |
| TW201417374A (en) * | 2012-10-26 | 2014-05-01 | Ultimate Image Corp | Manufacturing method of OLED planar illumination device |
-
2014
- 2014-08-18 CN CN201410403451.XA patent/CN105451402A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1344025A (en) * | 2000-09-13 | 2002-04-10 | 精工爱普生株式会社 | Distribution base, its mfg. method, displaying device and electronic device |
| CN101131800A (en) * | 2006-08-22 | 2008-02-27 | 三星电子株式会社 | Display device, flexible member, and method thereof |
| CN102065593A (en) * | 2009-10-27 | 2011-05-18 | 松下电工株式会社 | Light emitting module |
| TW201417374A (en) * | 2012-10-26 | 2014-05-01 | Ultimate Image Corp | Manufacturing method of OLED planar illumination device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420822A (en) * | 2017-04-26 | 2017-12-01 | 上海小糸车灯有限公司 | A kind of OLED automobile lightings screen body and automobile lamp |
| CN107945683A (en) * | 2018-01-08 | 2018-04-20 | 陆少韬 | The front end assemblies being applied on smart machine |
| CN107945683B (en) * | 2018-01-08 | 2020-11-03 | 陆少韬 | Front end assembly applied to intelligent equipment |
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Application publication date: 20160330 |
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