CN108364996A - OLED display - Google Patents
OLED display Download PDFInfo
- Publication number
- CN108364996A CN108364996A CN201810355344.2A CN201810355344A CN108364996A CN 108364996 A CN108364996 A CN 108364996A CN 201810355344 A CN201810355344 A CN 201810355344A CN 108364996 A CN108364996 A CN 108364996A
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- electrode
- area
- oled
- cover board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0204—Mounting supporting structures on the outside of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
Abstract
The present invention discloses a kind of OLED display, it includes the bottom plate being oppositely arranged and cover boards, there is bottom plate opposite first surface and second surface, OLED display to have display area and non-display area, are also set on the first surface of bottom plate comprising OLED luminescence components；First electrode is set on the first surface of bottom plate and first electrode is located at non-display area；Second electrode is set on cover board and second electrode is located at non-display area；Conductive bumps are set between bottom plate and cover board and conductive bumps are electrically connected first electrode and second electrode；There is flexible print wiring board opposite first end and second end, first end to be electrically connected second electrode, and second end extends to side where the second surface of bottom plate.Present invention reduces the risks that flexible print wiring board peels off, and improve the fitting stability of flexible print wiring board.
Description
Technical field
The present invention relates to a kind of OLED display, a kind of especially flexible print wiring board fitting stability of improving
OLED display.
Background technology
OLED display be one kind possess high brightness, high reaction speed, it is light and short, full-color, without subtense angle and be not required to
The display element for wanting backlight has gradually replaced the market of TN (twisted-nematic) and STN (super twisted nematic) liquid crystal display panel module,
And will threat in the market further be caused to the TFT-LCD of small size, and applied to mobile phone, personal digital assistant, very
To the display screen of the carrying information products such as notebook computer.
It please refers to Fig.1 and Fig. 2, Fig. 1 is that flexible print wiring board is not bent when assembling OLED display in the prior art
Sectional view；Fig. 2 is the sectional view after flexible print wiring board bending when assembling OLED display in the prior art.OLED is aobvious
Showing device 100 includes cover board 110, OLED luminescence components 120, bottom plate 130 and flexible print wiring board 140.Wherein, bottom plate
On 130 there is thin film transistor array layer (not shown) to shine to control OLED luminescence components 120, thin film transistor (TFT)
The cabling of array layer extends to non-display area from viewing area and is electrically connected with flexible print wiring board 140.As shown in Figure 1, scratching
Property printed circuit board 14 and bottom plate 130 be electrically connected after, flexible print wiring board 14 protrudes from 110 outside of cover board, therefore rear
The action that flexible print wiring board 140 must be bent in continuous assembling process.It is illustrated in figure 2 flexible print wiring board
OLED display structure after 140 bendings.
Influence in order to ensure bending action to production reliability in the prior art, the use material of flexible print wiring board
Material more resistant to bending and of high cost must be used.In addition, a little space must be retained during bending, it also can be to finished product
The width of thickness and frame impacts；Larger pull also is will produce for electrical connection part after flexible print wiring board bending
Power, in some instances it may even be possible to the problem of causing the junction of flexible print wiring board and bottom plate to peel off so that flexible print wiring board
Fitting stability it is relatively low, influence the performance that OLED is shown.Therefore how to be improved under the trend for catering to display device slimming
The fitting stability of flexible print wiring board is one of the direction that industry is made great efforts.
Invention content
In view of the problems of the prior art, the present invention provides a kind of OLED display by electrically connecting the cabling of bottom plate
Being connected to cover board makes the bending amplitude of flexible print wiring board reduce, and the fitting to improve flexible print wiring board is stablized
Property.
Therefore, technical problem to be solved by the present invention lies in a kind of OLED display is provided, including a kind of OLED of are aobvious
Showing device, including the bottom plate and cover board that are oppositely arranged, it is first surface to define the bottom plate close to the surface of the cover board, defines the bottom
Surface of the plate far from the cover board is second surface, which has display area and non-display area, this is non-display
Region is set to the periphery of the display area, which also includes：
OLED luminescence components are set on the first surface of the bottom plate, and the light that the OLED luminescence components are sent out is certainly
The cover board projects；
Multiple first electrodes are set on the first surface of the bottom plate, and the first electrode is located at the non-display area；
Multiple second electrodes are set on the cover board, and the second electrode is located at the non-display area；
Multiple conductive bumps are set between the bottom plate and the cover board, and the both ends of each conductive bumps are electrically connected
One first electrode and the second electrode；
There is flexible print wiring board opposite first end and second end, the first end to be electrically connected multiple second electricity
Pole, the second end extend to side where the second surface of the bottom plate.
Alternatively, it is additionally provided with thin film transistor (TFT) array on the bottom plate, which is located at should
Between bottom plate and the OLED luminescence components, which shines for controlling the OLED luminescence components.
Alternatively, which extends multiple from the display area towards the non-display area
The end of first electric conduction routing, every 1 first cabling forms the first electrode.
Alternatively, which has the first area being disposed adjacent and second area, and the bottom plate is in the cover board
On upright projection be located at the first area, which is electrically connected to the second area.
Alternatively, which extends to the second area from the first area.
Alternatively, which has more second electric conduction routings, and every 1 second electric conduction routing is from firstth area
Domain extends to the second area and in positioned at one second electrode of the end of second area formation.
Alternatively, which there is third surface, the third surface to be equipped with multiple first
Pin, and multiple first pin is located at the first end, multiple first pin is corresponded with multiple second electrode and electricity
Property connection.
Alternatively, the flexible print wiring board have fourth surface opposite with the third surface, the 4th
Surface is equipped with multiple second pins, and multiple second pin is located at the second end, and multiple second pin is for being electrically connected
System driving device.
Alternatively, which is electrically connected by anisotropic conductive adhesive paste and the cover board.
Alternatively, it is the 5th surface, multiple second electrode position to define the cover board close to the surface of the bottom plate
In on the 5th surface.
Compared with the prior art, the OLED display in the present invention by conductive bumps by the thin film transistor (TFT) battle array of bottom plate
Electrical number of row is transferred to cover board, and one end of flexible print wiring board is electrically connected at cover board and other end is shown along OLED
Side of the bottom plate far from cover board is extended at the frame of device.Therefore flexible print wiring board will not extend in an assembling process
Except the frame of OLED display, bending angle is smaller when assembling so that flexible print wiring board is taken up space at frame
It is smaller；And since flexible print wiring board is no longer needed as bent 180 ° in the prior art to not will produce in electrical connection part
Larger pulls power, reduces the risk of flexible print wiring board peeling, improves the fitting stability of flexible print wiring board.
Further, since flexible print wiring board fits in the second area of upper cover plate in the present invention and cover area is more than base areas,
Fitting is relatively easy to.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Description of the drawings
Fig. 1 is the sectional view that flexible print wiring board is not bent when assembling OLED display in the prior art.
Fig. 2 is the sectional view after flexible print wiring board bending when assembling OLED display in the prior art.
Fig. 3 is the partial sectional view of OLED display of the present invention.
Fig. 4 is the partial enlarged view of OLED display in Fig. 3.
Specific implementation mode
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby coordinate embodiment detailed
It is described as follows.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is the partial sectional view of OLED display of the present invention；Fig. 4 is OLED in Fig. 3
The partial enlarged view of display device.The OLED display 200 of the present invention includes bottom plate 230 and cover board 210, bottom plate 230 and lid
Plate 210 is oppositely arranged.Bottom plate 230 includes two opposite surfaces, and bottom plate 230 is defined as close to the surface of 210 side of cover board
First surface S1, and surface of the bottom plate 230 far from 210 side of cover board is defined as second surface S2.The OLED of the present invention is shown
Device 200 includes also OLED luminescence components 220, is set on the first surface S1 of bottom plate 210, and OLED luminescence components 220 are sent out
The light gone out is projected from cover board 210 namely OLED luminescence components 220 are between bottom plate 230 and cover board 210.
There is OLED display 200 the viewing area domains A1 and non-display area A2, non-display area A2 to be set to viewing area
The periphery of domain A1.As shown in Figures 3 and 4, be provided on the first surface S1 of bottom plate 230 multiple first electrodes 231 (in general,
First electrode 231 is identical with size, and the equal mode in gap is arranged), and multiple first electrodes are located in non-display area A2；Lid
Plate 210 includes two opposite surfaces, and cover board 210 is defined as the 5th surface S5, cover board close to the surface of 230 side of bottom plate
The surface of 210 principle bottom plate, 230 side is defined as the 6th surface S6, and multiple second electrodes 211 (one are provided on the 5th surface S5
As, second electrode 211 is identical with size, and the equal mode in gap is arranged), and multiple second electrodes 211 are located at non-display area
In the A2 of domain, and it is respectively corresponding with above-mentioned multiple first electrodes 231 respectively.There are conductive bumps between bottom plate 230 and cover board 210
270, and conductive bumps 270 are electrically connected above-mentioned multiple first electrodes 231 and multiple second electrodes 221, in practical operation, lead
The number of electric protrusion 270 is identical with the number of first electrode 231 and second electrode 211, thus each first electrode 231 by
One conductive bumps 270 is electrically connected to corresponding second electrode 211, passes through corresponding first electrode with electrical number on bottom plate 230
231 and conductive bumps 270 be transferred to corresponding second electrode 221 on cover board 210.In practical operation, cover board 210 and bottom plate
230 are fixedly connected by sealant, and above-mentioned conductive bumps 270 are located at the inside of sealant.
As shown in Figures 3 and 4, OLED display 200 of the invention also has and is scratched with what second electrode 211 was electrically connected
Property printed circuit board 250.Flexible print wiring board 250 has opposite both ends, by flexible print wiring board 250 and second electrode
211 one end being electrically connected are defined as first end, and one end opposite with the first end is defined as second end.It is scratched in the present invention
Property printed circuit board 250 second end bending extend to the side where the second surface S2 of bottom plate 230.By as a result, originally
250 first end of flexible print wiring board of invention is electrically connected with cover board 210
Property connection) and be fixed on cover board 210, second end (is specially the side of bottom plate 230 along the edge of OLED display 200
Edge) the second surface S2 (i.e. side of the bottom plate 230 far from cover board 210) that extends to bottom plate 230, flexible print wiring board can be made
250 will not extend in an assembling process except the frame of OLED display 200, therefore flexible printing electricity in an assembling process
The bending angle of road plate 250 is less than 90 °, even less than 45 °, bends 180 ° without needing in the prior art for another example so that electricity
Property junction not will produce larger power of pullling, reduces the risk of peeling, improves fitting stability.In addition, being scratched in the present invention
Property printed circuit board 250 is electrically connected at the non-display area on cover board 210, without occupying other regions, has catered to narrow side
The trend of frame.
Please continue to refer to Fig. 3 and Fig. 4, OLED display 200 of the invention is additionally provided with film crystal on bottom plate 230
(TFT) array 232 is managed, thin film transistor (TFT) array 232 is between bottom plate 230 and OLED luminescence components 220, thin film transistor (TFT) battle array
Row 232 shine for controlling OLED luminescence components 220.In practical application, thin film transistor (TFT) array is for example with first
Quantity film crystal pipe unit, OLED luminescence components 220 have the first quantity OLED light emitting unit, above-mentioned first quantity
Film crystal pipe unit is corresponded with above-mentioned first quantity OLED light emitting unit, is sent out with respectively controlling corresponding OLED respectively
Light unit shines, to realize the control to luminescence component 220.
In specific embodiment, thin film transistor (TFT) array 232 extends more from display area A1 towards non-display area A2
The end of a first electric conduction routing (not marking), every 1 first electric conduction routing forms a first electrode 231, above-mentioned to be formed
Multiple first electrodes 231, i.e., multiple first electrodes 231 in bottom plate 230 of the present invention can be drawn by thin film transistor (TFT) array 232
The electrode gone out, and thin film transistor (TFT) array 232 and OLED luminescence components 220 are electrically connected, to thin film transistor (TFT) array 232 with
And related electrical number in OLED luminescence components 220 can be transferred to above-mentioned multiple first electrodes by multiple first electric conduction routings
On 231.
Please continue to refer to Fig. 3 and Fig. 4, the cover board 210 of OLED display 200 has first be disposed adjacent in the present invention
The upright projection of region B1 and second area B2, bottom plate 230 are located in the first area B1 of cover board 210, i.e., cover plate of the present invention
210 area is more than the area of bottom plate 230.Have on cover board 210 and extends to multiple the of second area B2 from first area B1
Two electrodes 211, and above-mentioned multiple second electrodes 211 are located in non-display area A2, each second electrode 211 can be with a conduction
Protrusion 270 is electrically connected in the first area B1.
As shown in Figures 3 and 4, the flexible print wiring board 250 of OLED display 200 has two opposite surfaces,
Definition is third surface S3 with the one side that cover board 210 is electrically connected, and the one side opposite with third surface S3 is the 4th surface S4.It scratches
Property printed circuit board 250 third surface S3 be equipped with multiple first pins 251, multiple first pins 251 are located at flexible printing
The first end of circuit board 250.Each second electrode 211 can be in second area B2 and one first of flexible print wiring board 250
Pin 251 is electrically connected, and multiple first pins 251 are corresponded with multiple second electrodes 211.In practical operation, flexible printing
Circuit board 250 and cover board 210 by anisotropic conductive adhesive paste (ACF) while can realize that electric connection is connect with entity structure.Yu Yi
In embodiment, can also more second electric conduction routings be set in the first area B1 on the 5th surface S5 of cover board 210, every 1 second
Electric conduction routing extends to second area B2 from the first area domains B1, and in second area B2, the end of every 1 second electric conduction routing
Second electrode 211 there are one being formed, so, one end of each conductive bumps 270 are electrically connected first electrode 231, another
End is electrically connected the second electric conduction routing, and each pin 251 on flexible print wiring board 250 exists with corresponding second electric conduction routing
The second electrode 211 that end is formed is electrically connected.
In practical operation, when flexible print wiring board 250 is conformed to cover board 210, can OLED at this time first be shown into dress
Inversion is set, i.e. bottom plate 230 is located at the top of cover board 210, so that the 5th surface S5 in second area B2 is naked on cover board 210
Dew, then thereon by the fitting of the first end of flexible print wiring board 250, fitting is more convenient.
As shown in figure 3, multiple second pins 252 are additionally provided on the 4th surface S4 of flexible print wiring board, and multiple
Two pins 252 are located at the second end of flexible print wiring board 250, and multiple second pins 252 are used for electrical connection system driving device
260, such as drive IC.Thus, which system driving device 260 passes through flexible print wiring board 250 and thin film transistor (TFT) array
232 and OLED luminescence components 220 can carry out signal transmission, the group consequently facilitating control thin film transistor (TFT) array 232 and OLED shine
Part 220.
In specific embodiment, in the A1 of display area, (do not show comprising color film layer also on the 5th surface S5 of cover board 210
Go out).Color film layer may include the color mold pixel of the first quantity, the first quantity coloured silk mold pixel and aforementioned OLED luminescence components
The first quantity OLED light emitting unit in 220 is corresponded to carry out colour filter to corresponding OLED light emitting unit so that OLED
The light of display device 200 sent out is purer.
In conclusion OLED display in the present invention by conductive bumps by the electricity of the thin film transistor (TFT) array of bottom plate
Property number is transferred to cover board, and one end of flexible print wiring board is electrically connected at cover board and other end is along OLED display
Side of the bottom plate far from cover board is extended at frame.Therefore it is aobvious will not to extend OLED in an assembling process for flexible print wiring board
Except the frame of showing device, bending angle is smaller when assembling so that flexible print wiring board takes up space smaller at frame；And
Since flexible print wiring board is no longer needed as bent 180 ° in the prior art to not will produce in electrical connection part larger
Power is pullled, the risk of flexible print wiring board peeling is reduced, improves the fitting stability of flexible print wiring board.In addition,
Due in the present invention flexible print wiring board fit in upper cover plate second area and cover area be more than base areas, fitting compared with
It is easy.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
Various corresponding change and deformations, but these corresponding change and deformations can be made according to the present invention by knowing those skilled in the art
The protection domain of the claims in the present invention should all be belonged to.
Claims (10)
1. a kind of OLED display, including the bottom plate and cover board that are oppositely arranged, define the bottom plate is close to the surface of the cover board
First surface, it is second surface to define surface of the bottom plate far from the cover board, which has display area and non-
Display area, the non-display area are set to the periphery of the display area, which is characterized in that the OLED display also includes：
OLED luminescence components are set on the first surface of the bottom plate, and the light that sends out of the OLED luminescence components is from the lid
Plate projects；
Multiple first electrodes are set on the first surface of the bottom plate, and the first electrode is located at the non-display area；
Multiple second electrodes are set on the cover board, and the second electrode is located at the non-display area；
Multiple conductive bumps are set between the bottom plate and the cover board, and the both ends of each conductive bumps are electrically connected one
The first electrode and the second electrode；
There is flexible print wiring board opposite first end and second end, the first end to be electrically connected multiple second electrode, should
Second end extends to side where the second surface of the bottom plate.
2. OLED display as described in claim 1, which is characterized in that be additionally provided with thin film transistor (TFT) battle array on the bottom plate
Row, the thin film transistor (TFT) array are located between the bottom plate and the OLED luminescence components, and the thin film transistor (TFT) array is for controlling this
OLED luminescence components shine.
3. OLED display as claimed in claim 2, which is characterized in that the thin film transistor (TFT) array is from the display area court
Extend multiple first electric conduction routings to the non-display area, the end of every 1 first cabling forms the first electrode.
4. OLED display as described in claim 1, which is characterized in that the cover board have the first area that is disposed adjacent and
Second area, the bottom plate are located at the first area in the upright projection on the cover board, which is electrically connected to this
Second area.
5. OLED device as claimed in claim 4, which is characterized in that the second electrode from the first area extend to this second
Region.
6. OLED display as claimed in claim 4, which is characterized in that the cover board has more second electric conduction routings, often
One second electric conduction routing extends to the second area from the first area and should in forming one positioned at the end of the second area
Second electrode.
7. OLED display as described in claim 1, which is characterized in that the flexible print wiring board has third surface,
The third surface is equipped with multiple first pins, and multiple first pin is located at the first end, multiple first pin and this
Multiple second electrodes are corresponded and are electrically connected.
8. OLED display as claimed in claim 7, which is characterized in that the flexible print wiring board has and the third table
The 4th opposite surface of face, the 4th surface is equipped with multiple second pins, and multiple second pin is located at the second end, should
Multiple second pins are used for electrical connection system driving device.
9. OLED display panel as described in claim 1, which is characterized in that the flexible print wiring board passes through anisotropy conduction
Glue is electrically connected with the cover board.
10. OLED display panel as described in claim 1, which is characterized in that define the cover board is close to the surface of the bottom plate
5th surface, multiple second electrode are located on the 5th surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355344.2A CN108364996A (en) | 2018-04-19 | 2018-04-19 | OLED display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355344.2A CN108364996A (en) | 2018-04-19 | 2018-04-19 | OLED display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108364996A true CN108364996A (en) | 2018-08-03 |
Family
ID=63008965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810355344.2A Pending CN108364996A (en) | 2018-04-19 | 2018-04-19 | OLED display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108364996A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908164A (en) * | 2021-01-21 | 2021-06-04 | 厦门天马微电子有限公司 | Display module, manufacturing method of display module and display device |
| CN114390417A (en) * | 2021-10-12 | 2022-04-22 | 苏州清听声学科技有限公司 | Screen directional sounding device and preparation method thereof |
-
2018
- 2018-04-19 CN CN201810355344.2A patent/CN108364996A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908164A (en) * | 2021-01-21 | 2021-06-04 | 厦门天马微电子有限公司 | Display module, manufacturing method of display module and display device |
| CN114390417A (en) * | 2021-10-12 | 2022-04-22 | 苏州清听声学科技有限公司 | Screen directional sounding device and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180803 |
|
| WD01 | Invention patent application deemed withdrawn after publication |