CN202275835U - Organic electroluminescence display apparatus - Google Patents
Organic electroluminescence display apparatus Download PDFInfo
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- CN202275835U CN202275835U CN2011203947838U CN201120394783U CN202275835U CN 202275835 U CN202275835 U CN 202275835U CN 2011203947838 U CN2011203947838 U CN 2011203947838U CN 201120394783 U CN201120394783 U CN 201120394783U CN 202275835 U CN202275835 U CN 202275835U
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- anode
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- insulating barrier
- layer
- organic electroluminescence
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Abstract
The utility model relates to an organic electroluminescence display apparatus, comprising a substrate and a seal cover forming a seal cavity together with the substrate, wherein the substrate is orderly provided with an anode, a luminous layer and a cathode, the anode and a plurality of anode leads form an anode lead region, the anode passes through the seal cover via the anode lead region to extend out of the seal cavity and then is connected with a power supply, the anode lead region is orderly provided with an insulating layer and a metal cathode layer, the seal cover is provided with a piercing object towards the anode leads, and the distance between the anode lead and the seal cover is greater than the thickness of the piercing object, thereby avoiding every-other-array short circuit phenomenon and ensuring normal display effect.
Description
Technical field
The utility model relates to a kind of organic electroluminescence display device and method of manufacturing same.
Background technology
The organic electroluminescent principle is meant and adopts organic material as luminescent layer; Be provided with negative electrode and anode in the luminescent layer both sides, said anode is arranged on the substrate, and anode is connected the logical electric current of going up with negative electrode through lead-in wire; When electric current passed through luminescent layer, the organic material of luminescent layer will be luminous.People develop organic electroluminescence device (Organic Light Emitting Diode is hereinafter to be referred as OLED) according to this principle.OLED is with respect to traditional liquid crystal display device, and body is thin, advantages such as preparation technology is simple, luminescent material solidifies entirely, device softening have caused people's extensive concern but have, and increasing OLED is applied to showing and lighting field.
Existing OLED device is except that comprising substrate, anode, luminescent layer and negative electrode; Also comprise insulating barrier and insulated column layer; Insulating barrier and insulated column layer are divided into one by one little luminous point with luminescent layer; These luminous points are exactly pixel, and different pixels point carries out the luminous display graphics of having formed as requested.Please combine shown in Figure 1ly, the light that luminescent layer sends is launched through base plate bottom, thereby forms luminous zone AA, and people can see the pattern that shows on the screen through this luminous zone AA.
As shown in Figure 1; The capping of using in the OLED device is a bowl configurations; When product is lighted, the B that can emit beam after its capping pit edge refraction, the center light splitter can make the anode tap district on the substrate bright line or speck occur; Influence the attractive in appearance of OLED screen body, and to be mistaken as be bad screen or display abnormality.
In order to solve said bright line problem; Vapor deposition large-area metal negative electrode stops and (generally is covered with a layer insulating in the anode tap district in the anode tap district; Perhaps a layer insulating and one deck insulated column layer), in capping, generally can have burr or foul, during the capping pressing; See Fig. 2; Piercing through thing (burr or foul) and can pierce through normal insulation layer and insulated column layer (normal insulating barrier, insulated column layer thickness a, b are respectively 1.5-2um, 3um) in the anode tap district in the capping produces anode tap at a distance from the row short circuit phenomenon through metallic cathode, causes display effect not good.
The utility model content
The purpose of the utility model has been to provide a kind of organic electroluminescence display device and method of manufacturing same of avoiding at a distance from the row short circuit.
For realizing aforementioned purpose; The utility model adopts following technical scheme: a kind of organic electroluminescence display device and method of manufacturing same; Comprise substrate and form the capping of sealed cavity with said substrate; Be provided with anode, luminescent layer and negative electrode on the said substrate successively, said anode is formed anode tap districts and is passed said capping through said anode tap district through several anode taps and extends to that sealed cavity is outer to be connected with power supply, is formed with insulating barrier and metallic cathode layer in the said anode tap district successively; Have the thing that pierces through towards said anode tap in the said capping, the distance between said anode tap and the capping is greater than the thickness that pierces through thing.
As the further improvement of the utility model, the distance between said anode tap and the metallic cathode layer is greater than the thickness that pierces through thing.
As the further improvement of the utility model, said insulating barrier is coated on the anode tap, and said metallic cathode layer covers on the said insulating barrier, and the thickness of said insulating barrier is 7-7.5um.
Further improvement as the utility model; Has the insulated column layer between said insulating barrier and the metallic cathode layer; Said insulating barrier is coated on the anode tap; Said insulated column layer covers on the said insulating barrier, and said metallic cathode layer covers on the said insulated column layer, and the gross thickness of said insulating barrier and insulated column layer is 7-7.5um.
As the further improvement of the utility model, said thickness of insulating layer is 3-3.5um, and said insulated column layer thickness is 4um.
As the further improvement of the utility model, has the insulated column layer between said insulating barrier and the metallic cathode layer.
As the further improvement of the utility model, some glue has the fluid sealant that contains liner between said capping and the metallic cathode layer, and the thickness of said liner is greater than the thickness that pierces through thing.
As the further improvement of the utility model, said liner thickness is greater than 5um.
The utility model is avoided taking place at a distance from the row short circuit phenomenon through making distance between anode tap and the capping greater than the thickness that pierces through thing (burr or foul), guarantees that display effect is normal.
Description of drawings
Fig. 1 is the structural representation of organic electroluminescence display device and method of manufacturing same.
Fig. 2 concerns sketch map with the position of piercing through thing (burr or foul) down for insulating barrier and insulated column layer general thickness in the existing anode tap district.
Fig. 3 is the structural representation between anode lead district and the capping in the utility model specific embodiment.
Fig. 4 is the structure chart between anode lead district and the capping in another specific embodiment of the utility model.
Embodiment
See also a kind of organic electroluminescence display device and method of manufacturing same shown in Fig. 1-2; Comprise substrate 1 and form the capping 2 of sealed cavity 22 with said substrate 1; Be provided with anode 3, luminescent layer 4 and negative electrode 5 on the said substrate 1 successively; Said anode 3 is formed anode tap districts and is passed said capping 2 through said anode tap district through several anode taps 6 and extends to that sealed cavity 22 is outer to be connected with power supply, has usually in the said capping 2 to pierce through thing 21 towards said anode tap 6.
See also shown in Figure 3ly, be coated with insulating barrier 7 on the said anode tap, be coated with insulated column layer 8 on the said insulating barrier 7, be coated with metallic cathode layer 9 on the said insulated column layer 8, said insulating barrier 7 thickness a ' are 3-3.5um, and said insulated column layer 8 thickness b ' are 4um.
Insulating barrier of the prior art 7 thickness a, insulated column layer 8 thickness b shown in Figure 2 are respectively 1.5-2um, 3um; The thickness that pierces through thing 21 is generally about 5um; When the thickness that pierces through thing 21 adds thickness together greater than insulating barrier 7 thickness a and insulated column layer 8 thickness b, pierce through thing 21 and insulating barrier 7 and insulated column layer 8 are pierced through and cause at a distance from the row short circuit.
Compare with prior art shown in Figure 2; Make distance between anode tap 6 and the metallic cathode layer 9 greater than the thickness that pierces through thing 21 through the gross thickness that increases insulating barrier 6 and insulated column layer 8 in the utility model, insulating barrier 7 and insulated column layer 8 are pierced through cause separated row short circuit phenomenon thereby avoided piercing through thing 21.
Certainly; In some cases; Also insulated column layer 8 can be set between insulating barrier 7 and the metallic cathode layer 9, at this moment, can only insulating barrier 7 be increased the um to 7-7.5; Can make distance between anode tap 6 and the metallic cathode layer 9 greater than the thickness that pierces through thing 21 equally, insulating barrier 7 and insulated column layer 8 are pierced through cause at a distance from the row short circuit phenomenon thereby avoided piercing through thing 21.
See also Fig. 1,2, shown in 4, be the structure chart of another kind of organic electroluminescence display device and method of manufacturing same, it comprises substrate 1 and forms the capping 2 of sealed cavity 22 with said substrate 1; Be provided with anode 3, luminescent layer 4 and negative electrode 5 on the said substrate 1 successively; Said anode 3 is formed anode tap districts and is passed said capping 2 through said anode tap district through several anode taps 6 and extends to that sealed cavity 6 is outer to be connected with power supply, have in the said capping 2 towards said anode tap 6 pierce through thing 21, in Fig. 4; Be coated with insulating barrier 7 on the said anode tap; Be coated with insulated column layer 8 on the said insulating barrier 7, be coated with metallic cathode layer 9 on the said insulated column layer 8, this insulating barrier 7 thickness a, insulated column layer 8 thickness b are respectively 1.5-2um, 3um; In order to prevent at a distance from the row short circuit; Between said metallic cathode layer 9 and capping 2, be provided with the fluid sealant of liner (spacer) 10, the thickness of said liner 10 is greater than the thickness that pierces through thing 21, and its thickness is 5-6um.Same, between insulating barrier 7 and the metallic cathode layer 9 insulated column layer 8 can be set.
Above-mentioned two kinds of embodiment can implement separately, also can be with above-mentioned two embodiment enforcement that combines.
Although be the example purpose; The preferred implementation of the utility model is disclosed; But those of ordinary skill in the art will recognize, under situation about not breaking away from by the scope of the disclosed the utility model of appending claims and spirit, various improvement, increase and replacement are possible.
Claims (8)
1. organic electroluminescence display device and method of manufacturing same; Comprise substrate (1) and form the capping (2) of sealed cavity (22) with said substrate (1); Be provided with anode (3), luminescent layer (4) and negative electrode (5) on the said substrate (1) successively; Said anode (3) is formed the anode tap district and is passed said capping (2) through said anode tap district through several anode taps (6) and extends to that sealed cavity (22) is outer to be connected with power supply; Be formed with insulating barrier (7) and metallic cathode layer (9) in the said anode tap district successively; Have in the said capping (2) towards said anode tap (6) pierce through thing (21), it is characterized in that: the distance between said anode tap (6) and the capping (2) is greater than the thickness that pierces through thing (21).
2. organic electroluminescence display device and method of manufacturing same according to claim 1 is characterized in that: the distance between said anode tap (6) and the metallic cathode layer (9) is greater than the thickness that pierces through thing (21).
3. organic electroluminescence display device and method of manufacturing same according to claim 2; It is characterized in that: said insulating barrier (7) is coated on the anode tap (6); Said metallic cathode layer (9) covers on the said insulating barrier (7), and the thickness of said insulating barrier (7) is 7-7.5um.
4. organic electroluminescence display device and method of manufacturing same according to claim 2; It is characterized in that: have insulated column layer (8) between said insulating barrier (7) and the metallic cathode layer (9); Said insulating barrier (7) is coated on the anode tap (6); Said insulated column layer (8) covers on the said insulating barrier (7), and said metallic cathode layer (9) covers on the said insulated column layer (8), and said insulating barrier (6) is 7-7.5um with the gross thickness of insulated column layer (8).
5. organic electroluminescence display device and method of manufacturing same according to claim 4 is characterized in that: said insulating barrier (6) thickness is 3-3.5um, and said insulated column layer (8) thickness is 4um.
6. organic electroluminescence display device and method of manufacturing same according to claim 1 is characterized in that: have insulated column layer (8) between said insulating barrier (7) and the metallic cathode layer (9).
7. according to claim 1 or 6 described organic electroluminescence display device and method of manufacturing same; It is characterized in that: some glue has the fluid sealant that contains liner (10) between said capping (2) and the metallic cathode layer (9), and the thickness of said liner (10) is greater than the thickness that pierces through thing (21).
8. organic electroluminescence display device and method of manufacturing same according to claim 7 is characterized in that: said liner (10) thickness is greater than 5um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203947838U CN202275835U (en) | 2011-10-17 | 2011-10-17 | Organic electroluminescence display apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203947838U CN202275835U (en) | 2011-10-17 | 2011-10-17 | Organic electroluminescence display apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202275835U true CN202275835U (en) | 2012-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203947838U Expired - Lifetime CN202275835U (en) | 2011-10-17 | 2011-10-17 | Organic electroluminescence display apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN202275835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311445A (en) * | 2012-12-24 | 2013-09-18 | 上海天马微电子有限公司 | OLED (Organic Light Emitting Diode) encapsulation structure and forming method thereof |
-
2011
- 2011-10-17 CN CN2011203947838U patent/CN202275835U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311445A (en) * | 2012-12-24 | 2013-09-18 | 上海天马微电子有限公司 | OLED (Organic Light Emitting Diode) encapsulation structure and forming method thereof |
| CN103311445B (en) * | 2012-12-24 | 2016-03-16 | 上海天马微电子有限公司 | Organic light-emitting diode packaging structure and forming method thereof |
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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: 20120613 |
|
| CX01 | Expiry of patent term |