CN1674738A - Double-side electroluminescent display device - Google Patents
Double-side electroluminescent display device Download PDFInfo
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- CN1674738A CN1674738A CN200510069655.5A CN200510069655A CN1674738A CN 1674738 A CN1674738 A CN 1674738A CN 200510069655 A CN200510069655 A CN 200510069655A CN 1674738 A CN1674738 A CN 1674738A
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- double
- electroluminescent
- substrate
- display device
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Abstract
The present invention relates to a double-sided luminescent electro-excited display, including two electro-excited luminescent baseplates. The conductive circuit connection zones of said two electro-excited luminescent baseplates are positioned in the different sides of said double-sided luminescent electro-excited display, so that they can be independently and respectively electrically connected with different circuit boards.
Description
Technical field
The relevant a kind of display with double faces of the present invention, particularly a kind of double-side electroluminescent display device.
Background technology
In a display unit, how in the limited bulk scope, to provide the multiaspect demonstration of different angles to become an important problem, and the common double display screens design that is had on clamshell phone is a typical example; Known one utilizes its generalized section of display with double faces of Organic Light Emitting Diode can be with reference to Fig. 1, this double-side organic light emitting diode display 1 mainly is to form the panel construction of a two-sided output back to setting by one first Organic Light Emitting Diode substrate 11 and one second Organic Light Emitting Diode substrate 12, and is that mat one seals the effect that body (sealant) 13 reaches sealing admittedly between the two substrates.And in this double-side organic light emitting diode display 1; the first Organic Light Emitting Diode substrate 11 and the second Organic Light Emitting Diode substrate 12 are made up of first substrate 111 and first Organic Light Emitting Diode 112 and second substrate 121 and second Organic Light Emitting Diode 122 respectively, and form a protective layer (protect layer) 14 and one water accepting layer 15 in regular turn on first Organic Light Emitting Diode 112 and second Organic Light Emitting Diode, 122 surfaces.
Continuation is with reference to Fig. 1, in known double-side organic light emitting diode display 1, bonding land, first conducting wire (bonding area) 111A and second conducting wire bonding land 121A that is provided with face-to-face given prominence to thereby formed to part first substrate 111 from the same side of double-side organic light emitting diode display 1 respectively with part second substrate 121, and be laid with conducting wire 111B and the 121B that electrically connects first Organic Light Emitting Diode 112 and second Organic Light Emitting Diode 122 thereon, so can be respectively with first circuit board 16 and second circuit board 17 on conducting wire 16A and 17A be electrically connected and transmit drive signal and enter first Organic Light Emitting Diode 112 and second Organic Light Emitting Diode 122.
But, when first circuit board 16 being pressure bonded to first conducting wire bonding land 111A when connecting operation, second conducting wire bonding land 121A that is positioned at double-side organic light emitting diode display 1 same side but can disturb the carrying out that connects operation, thereby must use special press fit device, or more complicated technology mode just might be with first circuit board 16 and firm combination of first conducting wire bonding land 111A; Similarly, and when second circuit board 17 was connected with the 121A pressing of bonding land, second conducting wire, first circuit board 16 more can disturb the carrying out that is connected operation with first conducting wire bonding land 111A.
In order to allow first circuit board 16 and second circuit 17 be connected to first conducting wire bonding land 111A and second conducting wire bonding land 121A that is positioned at double-side organic light emitting diode display 1 same side smoothly, so except the thickness that will consider first circuit board 16 and second circuit board 17 itself, between first circuit board 16 and second circuit board 17, also to reserve the space that some are connected operation, thereby whole thickness 1T can't be dwindled, and then moisturize and infiltrate the chance of double-side organic light emitting diode display 1 and allow to reduce its useful life with oxygen.
Summary of the invention
Because in the foregoing invention background, its thickness of double-side electroluminescent display device is too big thereby cause moisture and oxygen to infiltrate easily and lower the problem in useful life, provide a kind of double-side electroluminescent display device in this, one of its purpose is to reduce the thickness of whole double-side electroluminescent display device and promote its airtight degree; In addition, another object of the present invention is to reduce double-side electroluminescent display device and the degree of difficulty of circuit board when being connected operation.
According to above-mentioned purpose, the invention provides a kind of double-side electroluminescent display device, the bonding land, conducting wire of its two electroluminescent substrate is the different sides that is positioned at double-side electroluminescent display device, so just can be independently connect with different circuit board separately, and reduce the thickness of whole double-side electroluminescent display device.
Description of drawings
Fig. 1 is the generalized section of a known two-sided luminous organic light emitting diode display;
Fig. 2 A is its section signal of double-side electroluminescent display device that is provided according to a preferred embodiment of the present invention;
Fig. 2 B is its schematic top plan view of double-side electroluminescent display device that is provided according to a preferred embodiment of the present invention; And
Fig. 2 C is its schematic top plan view of double-side electroluminescent display device according to other preferred embodiment of the present invention provided.
Embodiment
Next be detailed description of the present invention, the description for backlight assembly itself in the following explanation does not comprise detailed contexture and element operation principles, and the prior art that the present invention continued to use is only done quoting of emphasis formula at this, to help elaboration of the present invention.And the accompanying drawing of relevant double-side electroluminescent display device is also according to the actual ratio drafting in the literary composition in following, and its effect is only giving expression to feature of the present invention.Secondly, when each element in the embodiments of the invention accompanying drawing or structure when describing explanation, should be with this as the cognition that qualification is arranged, promptly following explanation is during the restriction on the lay special stress on number, spirit of the present invention and range of application can spread to most elements or structure and the structure of depositing on.
Provide a kind of two-sided electroluminescence (electroluminescence according to a preferred embodiment of the present invention; EL) display, the generalized section of this display and schematic top plan view then can refer to Fig. 2 A and Fig. 2 B respectively.At first, with reference to Fig. 2 A, the double-side electroluminescent display device 2 that present embodiment provided mainly is the panel construction that is formed a two-sided output by one first electroluminescent substrate 21 and one second electroluminescent substrate 22 back to setting, and by be located on above-mentioned two electroluminescent substrate peripheries one seal body (sealant) admittedly and 23 engage and then allow this panel construction reach airtight effect.
In the double-side electroluminescent display device 2 that present embodiment provided, first electroluminescent substrate 21 and second electroluminescent substrate 22 are made up of with second electric exciting light-emitting diode 222 that is arranged on second substrate 221 first substrate 211 and first electric exciting light-emitting diode 212 and second substrate 221 that are arranged on first substrate 211 respectively, therefore all can operate individually or simultaneously and reach the effect of two-sided output, first electric exciting light-emitting diode 212 and second electric exciting light-emitting diode 222 are to can be Organic Light Emitting Diode or inorganic light-emitting diode.And also can an independent or shared protective layer (protect layer) 24 on first electric exciting light-emitting diode 212 or second light-emitting component, 222 surfaces with as isolating or buffering is used; In addition, the influence that is subjected to moisture or oxygen owing to electric exciting light-emitting diode easily damages, therefore between first electric exciting light-emitting diode 212 and second electric exciting light-emitting diode 222, also can be provided with respectively or a shared water accepting layer 25 (or claiming drying layer), to guarantee the normal operation of double-side electroluminescent display device 2, water accepting layer 25 can be block structure or layer structure, reaches to absorb moisture and make electric exciting light-emitting diode be in the water absorber of suitable moisture state or element all within the scope of the present invention.
Continuation is with reference to Fig. 2 A, the double-side electroluminescent display device 2 that present embodiment provided, can adopt the stack design of a dislocation between first electroluminescent substrate 21 and second electroluminescent substrate 22, make part first substrate 211 and part second substrate 221 give prominence to thereby form bonding land, first conducting wire (bonding area) 211A and second conducting wire bonding land 221A from the different sides of double-side electroluminescent display device 2 respectively, and be laid with conducting wire 211B and the 221B that electrically connects first electric exciting light-emitting diode 212 and second electric exciting light-emitting diode 222 thereon, so can be respectively with first circuit board 26 and second circuit board 27 on conducting wire 26A and electrical relative the linking together and transmit drive signal and enter first electric exciting light-emitting diode 212 and second electric exciting light-emitting diode 222 of 27A.
Continuation is with reference to Fig. 2 A, because double-side electroluminescent display device 2 its first conducting wire bonding land 211A and second conducting wire bonding land 221A that present embodiment provided are the different sides that is positioned at double-side electroluminescent display device 2, therefore can be connected operation with first circuit board 26 and second circuit board 27 respectively, and can as known techniques, not be subjected to restriction and interference on the working space; And another advantage of this design, can reduce the thickness 2T of double-side electroluminescent display device 2 exactly, therefore when sealing body 23 admittedly first electroluminescent substrate 21 and second electroluminescent substrate 22 are bonded into an airtight double-side electroluminescent display device 2, also can reduce the chance that moisture and air infiltrate.
With reference to Fig. 2 A, in the present embodiment, first conducting wire bonding land 211A is to adopt by the mode of pressing to be connected with first circuit board 26 and second conducting wire bonding land 221A with second circuit board 27, but also can adopt other common and general circuit plate ways of connecting according in other specific embodiments of the present invention.
In the double-side electroluminescent display device that present embodiment provided, the schematic top plan view that first electroluminescent substrate and second electroluminescent substrate link together with first circuit board and second circuit board respectively can be with reference to Fig. 2 B, can observe thus and learn that bonding land, first conducting wire (not shown) and second conducting wire bonding land 221A lay respectively at dual-side relative on the double-side electroluminescent display device 2, and link together with first circuit board 26 and second circuit board 27 respectively.But with reference to Fig. 2 C, in foundation other specific embodiments of the present invention, bonding land, first conducting wire (not shown) and second conducting wire bonding land 221A also can lay respectively at dual-side adjacent on the double-side electroluminescent display device 2, its equally also can be smoothly and first circuit board 26 and second circuit board 27 link together.
In the double-side electroluminescent display device that present embodiment provided, first electroluminescent substrate and second electroluminescent substrate can be selected from an Organic Light Emitting Diode (organic light emitting diode) substrate; Be connected the first circuit board and the second circuit board that transmit drive signal with double-side electroluminescent display device and then can be selected from general common rigid printed circuit board (rigid printed circuit; RPC) or soft (pliability) printed circuit board (PCB) (flexible printed circuit; FPC).
Above-described embodiment only is explanation technological thought of the present invention and characteristics, its purpose makes person skilled in the art scholar can understand content of the present invention and is implementing according to this, when can not with qualification claim of the present invention, the variation or the replacement of every equivalence of doing according to disclosed spirit must be encompassed in the claim of the present invention.
Claims (10)
1. double-side electroluminescent display device comprises:
One first electroluminescent substrate has bonding land, one first conducting wire;
One second electroluminescent substrate has bonding land, one second conducting wire; And
One seals body admittedly, be arranged between this first electroluminescent substrate and this second electroluminescent substrate and form a panel to engage this first electroluminescent substrate and this second electroluminescent substrate, wherein this bonding land, first conducting wire and this bonding land, second conducting wire are the different sides that is positioned at this panel.
2. double-side electroluminescent display device as claimed in claim 1 is characterized in that this first electroluminescent substrate and this second electroluminescent substrate comprise:
One substrate; And
One electric exciting light-emitting diode is arranged on this substrate.
3. double-side electroluminescent display device as claimed in claim 2 is characterized in that also comprising:
One first protective layer is arranged on the electric exciting light-emitting diode of this first electroluminescent substrate; And
One second protective layer is arranged on the electric exciting light-emitting diode of this second electroluminescent substrate.
4. double-side electroluminescent display device as claimed in claim 1 is characterized in that also comprising a protective layer, is arranged between this first electroluminescent substrate and this second electroluminescent substrate.
5. double-side electroluminescent display device as claimed in claim 1 is characterized in that also comprising a water accepting layer, is arranged between this first electroluminescent substrate and this second electroluminescent substrate.
6. double-side electroluminescent display device as claimed in claim 1 is characterized in that also comprising:
One first circuit board, itself and this bonding land, first conducting wire electrically connects; And
One second circuit board, itself and this bonding land, second conducting wire electrically connects.
7. double-side electroluminescent display device as claimed in claim 6 is characterized in that this first circuit board and this second circuit board are flexible circuit boards.
8. double-side electroluminescent display device as claimed in claim 1 is characterized in that this first electroluminescent substrate and this second electroluminescent substrate are Organic Light Emitting Diode substrates.
9. double-side electroluminescent display device as claimed in claim 1 is characterized in that bonding land, first conducting wire and this bonding land, second conducting wire are the relative both sides that lay respectively at this panel.
10. double-side electroluminescent display device as claimed in claim 1 is characterized in that bonding land, first conducting wire and this bonding land, second conducting wire are the adjacent both sides that lay respectively at this panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510069655.5A CN1674738A (en) | 2005-04-25 | 2005-04-25 | Double-side electroluminescent display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510069655.5A CN1674738A (en) | 2005-04-25 | 2005-04-25 | Double-side electroluminescent display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1674738A true CN1674738A (en) | 2005-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510069655.5A Pending CN1674738A (en) | 2005-04-25 | 2005-04-25 | Double-side electroluminescent display device |
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| Country | Link |
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| CN (1) | CN1674738A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7923924B2 (en) | 2007-04-03 | 2011-04-12 | Tsinghua University | Organic electroluminescent display/source with anode and cathode leads |
| US8018147B2 (en) | 2006-07-12 | 2011-09-13 | Au Optronics Corporation | Dual display apparatus having buffer layer |
| CN106910810A (en) * | 2017-03-09 | 2017-06-30 | 丁文兰 | A kind of intelligent display building glass and preparation technology |
-
2005
- 2005-04-25 CN CN200510069655.5A patent/CN1674738A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8018147B2 (en) | 2006-07-12 | 2011-09-13 | Au Optronics Corporation | Dual display apparatus having buffer layer |
| US7923924B2 (en) | 2007-04-03 | 2011-04-12 | Tsinghua University | Organic electroluminescent display/source with anode and cathode leads |
| CN106910810A (en) * | 2017-03-09 | 2017-06-30 | 丁文兰 | A kind of intelligent display building glass and preparation technology |
| CN106910810B (en) * | 2017-03-09 | 2019-02-12 | 丁文兰 | A kind of intelligent display building glass and preparation process |
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