CN106972045A - Frameless display bar and screen splicing system - Google Patents
Frameless display bar and screen splicing system Download PDFInfo
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- CN106972045A CN106972045A CN201710244836.XA CN201710244836A CN106972045A CN 106972045 A CN106972045 A CN 106972045A CN 201710244836 A CN201710244836 A CN 201710244836A CN 106972045 A CN106972045 A CN 106972045A
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- bar
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- H01L27/3297—
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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Abstract
The invention discloses a frameless display strip and a screen splicing system, wherein a frameless display strip panel is a flexible OLED panel, the flexible OLED panel comprises an effective display middle area and two ineffective display edge areas along the width direction, the two edge areas are bent and adhered to the back surface of the middle area, the bending radius is less than 1.3mm, and the length-width ratio of the frameless display strip is more than 8. The frameless display bar is arranged at the frame position of the display screen and covers the edge part of the display screen containing the frame, the frameless display bar and the display screen are spliced together to form a composite screen, and the input video image is compositely displayed; the invention has the advantages that: the screen splicing system can form a visual seamless effect under a certain visual distance.
Description
Technical field
The present invention relates to display technology field, more particularly to Rimless shows bar and screen splicing system regions.
Background technology
Organic Light Emitting Diode（OLED）Ultra-thin, flexible display screen can be made, the thickness of oled panel can be as little as
0.1mm, the flexibility of open report is preferably the flexible OLED panel that Nokia develops with Advanced Film Device, this
Oled panel can be with the same doubling 180 degree of sensitive paper, minimum profile curvature radius（Radius bend）It is 2mm, bending times are more than 100,000 times.
Radius bend can not be too small, is that substrate surface, which is likely to occur, to be split because may cause resistance increase, the open circuit of the electrode of display screen
Line etc., for as mobile phone, this product of TV, devastatingly bending does not allow.So by will be by oled panel
Double flat hides frame, and the radius of bending can not be too small, therefore visual effect in the product edge such as mobile phone produced
Radian sense is too strong, such as the patent US20140042406 of Apple Inc.（Publication No.）.
Transparent conductive material such as ITO, AZO, nano silver wire, graphene or nano level metal etc. are too small in crooked process radius
In the case of, resistance can increase even open circuit；But the metal materials such as the micron-sized preferable gold, silver of ductility, copper are through once curved
Folding conductive capability will not change, such as common flexible PCB（FPC）Copper cash 20 times or so just meetings of 180 degree bending repeatedly
It is broken because of fatigue.
OLED display can be divided into passive type (PMOLED) and active (AMOLED) two ways according to type of drive.
AMOLED is using low temperature polysilicon process making thin film transistor (TFT) on substrate（TFT）, then it is luminous in TFT OLED prepared above
Layer, drives OLED to light by TFT transistor arrays.AMOLED each pixel is to light simultaneously, so single pixel
The requirement of luminosity is just reduced.AMOLED is suitable for preparing large-sized display panel.
In PMOLED, transparent anode is all parallel electrode strip, one OLED of each infall formation with metallic cathode
Pixel, lights every a line and forms complete image line by line.Because the display time of every a line is very short, normal image is reached
Brightness, the brightness of the OLED per a line will be sufficiently high, when the number of scanning lines is more, and display efficiency declines；In addition, OLED is electricity
Driving device is flowed, if area is too big, interelectrode impedance also can not be ignored, particularly the larger transparent anode of resistance, this
Applications of the PMOLED in large-area displays is allowed for be restricted.But limitation PMOLED can not do large-sized two factors,
All it is i.e. direction of line scan in one direction, so the display bar in the similarly suitable present invention of PMOLED.
The flexible parent metal of flexible OLED panel, which mainly includes polymer film, sheet metal, glass flake etc., has deflection
The material of property.Glass is typically rigid material, but thickness is when dropping to 0.05 ~ 0.2mm, can also bend, but cannot be any
Bending, and polymer film and sheet metal have good pliability.
Oled panel is mainly with the markets such as wrist-watch, mobile phone, TV, OLED of the in the market in the absence of length-width ratio more than more than 8
Rimless shows bar.The strip oled panel length-width ratio produced using volume to volume (R2R) can be more than 20, but this oled panel
Lead wire circuit be all for making small-size screen.OLED Rimless is shown into two marginal portions bending of bar and forever glued
The back side that Rimless shows bar is attached to, crooked process radius is less than 1.3mm, and need not recovered again, it is this with market value
Special Rimless shows that bar is the pioneering of the present invention.
Existing LED LCDs, DLP rear-projection display screens, the main flow display screen such as PDP plasma panels has side
Frame, the frame portion contains the lead of panel, sealant etc., is the indispensable part of display panel.Due to existing aobvious
Show that panel has frame, when multiple display panels are spliced into giant-screen, splicing gap is had in the middle of screen.Mosaic screen is regarded
When frequency image is shown, image is divided into block one by one, has a strong impact on visual effect.In order to reduce the shadow that black surround is brought as far as possible
Ring, it is necessary first to as far as possible from the panel of the higher pole narrow frame of price, then using the technology of some desalination frames, such as utilize
Reflection, refraction, Fusion Edges of light etc., but these technologies have the shortcomings that gap can not be completely eliminated or price is very high.It is logical
The ultra-thin Rimless that will be provided in this patent is provided and shows that bar is arranged on the bezel locations of display screen, it is aobvious in a certain distance splicing
Display screen can realize completely seamless visual effect.This splicing system is not required the frame of display screen simultaneously, can be dropped
The cost of low splicing large screen.
The content of the invention
The technical problem to be solved
The present invention is used to solve the problems, such as the split screen frame in screen splicing system.
Technical scheme
The present invention discloses a kind of Rimless and shows bar, and described Rimless shows that the display panel material of bar is flexible organic light emission
Diode（OLED）；Described flexible OLED panel is invalid comprising an intermediate region effectively shown and two in the width direction
The fringe region of display；Rimless shows that the length-width ratio of bar is more than 8, and Rimless shows that the width of bar refers to the centre effectively shown
The width in region；The fringe region of two described invalid displays is bent to the back side of described intermediate region；Two marginal zones
Simultaneously adhesive bond is at the back side of intermediate region for domain bending, and radius bend is less than 1.3mm, preferably 0.1 ~ 0.5mm；Two marginal zones
There can be intermediate layer between domain and the back side of intermediate region；Two fringe regions are without normal aobvious after display capabilities or bending
Show that ability is destroyed, be not involved in the display of video；The anode and negative electrode normally of the Organic Light Emitting Diode of intermediate region, tool
Standby normal display capabilities, the video image for showing input；Described Rimless shows being distributed along its length for bar
Electrode is connected to external drive circuit in bending part by metal electrode, and described metal electrode refers to conductive after once bending
The plain conductor of the impregnable micron order thickness of ability, the preferable gold, silver of such as ductility, copper；Described Rimless is shown
The flexible parent metal of bar is polymer film or sheet metal, and the selection principle of flexible parent metal is that radius bend can not when being less than 1.3mm
Fracture, the good material of the pliability such as polymer film or sheet metal all meets the requirements.The circuit drives side of described display bar
Formula is driven using Activematric OLED（AMOLED）Or passive matrix OLED driving (PMOLED)；Using PMOLED, along display bar
Width distribution is cathodic scan line, and along the anode data wire for showing the distribution of bar length direction, the electrode structure makes
PMOLEM panels possess makes large-sized ability in length direction.
The present invention also provides a kind of screen splicing system that bar and display screen are shown comprising foregoing Rimless, described
Rimless show that bar is arranged on the marginal position of described display screen, described Rimless shows that two fringe regions of bar are consolidated
The front of described display screen is scheduled on, between showing the back side of intermediate region of bar positioned at the front of display screen and Rimless, institute
The Rimless stated shows that the fringe region of two of bar preferably uses glue adhesive bond in the front of described display screen；Described
Rimless shows that the marginal portion for including frame of described display screen is completely covered in the intermediate region of bar, and described Rimless shows
Show that the intermediate region of bar constitutes jointing display screens, the video figure of synthesis display input together with the front of described display screen
Picture, forms the visual effect of Rimless under certain visual condition；Rimless show the circuit lead of bar by display screen side or
The back side is drawn, and is connected to driving and the control circuit of correlation.In four lateral edges of described display screen, Rimless shows bar
Pixel it is overlapping with the pixel portion of described display screen；Four in described display screen are held Angle Position, described Rimless
Show that bar shows that the pixel portion of bar is overlapping with Rimless；Show bar with described display screen full frame according to described Rimless
The relative position of curtain, Video Image Segmentation is shown respectively into corresponding image block, and described Rimless shows the side of bar
Edge pixel pixel fusion corresponding with described display screen is shown, forms continuous image.
Technical advantage
The front electrode of flexible OLED panel is transparency electrode, and the back side is metal electrode, in the case where crooked process radius is too small, thoroughly
Prescribed electrode can be broken off, and metal electrode remains in that connection due to high ductility.The Rimless that this programme is announced shows bar
Still connected at the transparency electrode place of fractureing with metal electrode, keep Rimless to show the normal display capabilities of bar intermediate region.By
Show that bar is to be used to show at a distance in Rimless, the very narrow metal electrode exposed outside in bending does not interfere with vision effect
Really.
Rimless is shown that bar is arranged on to be formed under the bezel locations of display screen, certain visible sensation distance and completes optical seamless
Screen splicing system, while the mosaic display screen required for this programme is not required border width, it is easy for installation, it is introduced
Rimless shows the display area of bar less, so as to reduce cost.
Figure of description
Fig. 1 is the structural representation for the embodiment that the Rimless that the present invention is provided shows bar；
Fig. 2 is the structural representation for another embodiment that the Rimless that the present invention is provided shows bar；
Fig. 3 is the structural representation for the another embodiment that the Rimless that the present invention is provided shows bar；
Fig. 4 is the structural representation of fringe region bending part in Fig. 1；
Fig. 5 be in Fig. 1 in the schematic diagram that is connected with metal electrode in bending place of transparency electrode；
Fig. 6 is scan line and data wire in Fig. 1；
Fig. 7 is the structural representation of an embodiment of the screen splicing system that the present invention is provided；
Fig. 8 is Fig. 7 positive structure schematic；
Fig. 9 is the structural representation of another embodiment for the screen splicing system that the present invention is provided；
Figure 10 is the structural representation of the another embodiment for the screen splicing system that the present invention is provided；
Figure 11 is the structural representation for the another embodiment that the Rimless that the present invention is provided shows bar；
Figure 12 is that the lead wire circuit of Rimless display bar in Figure 11 shows bar width by multi-layer flexible circuit from Rimless
The schematic diagram of extraction；
Figure 13 is the structural representation of the another embodiment for the screen splicing system that the present invention is provided.
Embodiment
The present invention is illustrated below according to 2 specific embodiments and the drawings, but the present invention is only limitted to implement absolutely not
Example, without departing from the behavior of rights statement of the present invention, within protection scope of the present invention.
Embodiment 1
As shown in figure 1, the present invention, which provides a kind of Rimless, shows bar, described Rimless shows that the display panel material of bar is soft
Property OLED；Described oled panel includes an intermediate region 1 effectively shown and the side of two invalid displays in the width direction
Edge region 2 and 3；Fringe region 2 does not include lead wire circuit, and fringe region 3 includes lead wire circuit 6；Described Rimless shows bar
Length-width ratio be more than 8, described Rimless shows that the width of bar refers to the width of the intermediate region 1 effectively shown；Fringe region 2
The back side of intermediate region is bent and is adhered directly to fringe region 3, radius bend R is less than 1.3mm, as shown in figure 4, bending half
Footpath does not include the thickness of oled panel, and radius bend R is preferably 0.1 ~ 0.4mm；Fringe region 2 is all direct with fringe region 3
Stick to the back side of intermediate region 1（Such as Fig. 2, shown in Fig. 3, fringe region 2 is partly adhered directly to centre with fringe region 3
The back side in region 1, because fringe region 2 and fringe region 3 are invalid viewing area, the length of fringe region 2 and fringe region 3
Degree, bending state do not interfere with the display of intermediate region 1, therefore Fig. 2, Fig. 3 or other similar examples are no longer separately as specific reality
Apply example introduction）；Fringe region 2 does not possess the normal display capabilities after display capabilities or bending with fringe region 3 and is destroyed, and does not join
Shown with video；The Organic Light Emitting Diode for the fringe region 2 for not including circuit lead is broken off or curved without electrode or electrode
The resistance of electrode becomes big after folding, and the state of the electrode of fringe region 2 does not influence the video display capability of intermediate region 1；Such as Fig. 5 institutes
Show, Rimless shows that the transparency electrode 4 of bar is ITO, AZO, nano silver wire, preferably metal grill or graphene etc., silver nanoparticle
Line, after bending, resistance increases or is broken off；The material of metal electrode 5 of fringe region 3 comprising circuit lead 6 is that have height
The conducting metal of ductility such as gold, silver, copper etc., are preferably silver, the thickness of metal electrode 5 is in micron order, and effect is guarantor after bending
Hold normal conductive capability；The transparency electrode 4 and external drive circuit of 5 connection intermediate regions 1 of metal electrode of fringe region 3
Effect, the anode and negative electrode normally of the Organic Light Emitting Diode of intermediate region 1 possess normal display capabilities, for showing
Show the video image of input；The flexible parent metal of described display bar is polymer film or sheet metal；The electricity of described display bar
Road type of drive uses Activematric OLED mode（AMOLED）Or passive matrix OLED mode (PMOLED)；As shown in fig. 6, adopting
PMOLED modes are used, are cathodic scan lines along show the distribution of bar width, what is be distributed along its length is anode data wire,
The electrode structure makes PMOLEM possess in the large-sized ability of length direction making.
As shown in fig. 7, the present invention also provides a kind of screen spelling that bar and display screen are shown comprising foregoing Rimless
Welding system, described Rimless shows that bar is arranged on the marginal position of described display screen, and described Rimless shows the side of bar
Edge region 2 is fixed on the front 7 of described display screen with fringe region 3, and bar is shown positioned at the front 7 of display screen and Rimless
Between the back side of intermediate region 1, described Rimless shows that the fringe region 2 of bar and 3 preferably uses glue adhesive bond described
Display screen front；Described Rimless show the intermediate region 1 of bar be completely covered described display screen comprising frame
Marginal portion, described Rimless shows that the intermediate region 1 of bar constitutes mosaic display screen together with the front 7 of described display screen
Curtain, the video image of synthesis display input, forms the visual effect of Rimless under certain visual condition；Rimless shows bar
Circuit lead 6 is drawn by display screen side 8, is connected to driving and the control circuit of correlation.As shown in figure 8, showing in described
The stitching position of display screen, Rimless shows that the pixel of bar is overlapping with the pixel portion of described display screen；In described display screen
Right-angled intersection stitching position, described Rimless shows that bar is overlapping with the pixel portion of Rimless display bar；According to described
Rimless shows the relative position of bar and described display screen in full screen, by Video Image Segmentation into corresponding image block
Show respectively, described Rimless shows that the edge pixel pixel fusion corresponding with described display screen of bar is shown, is formed
Continuous image.
Rimless shows the variants situation of bar, corresponding screen splicing system such as Fig. 9, Figure 10, due to function in Fig. 2, Fig. 3
It is similar, single embodiment introduction is not re-used as, and person skilled in the art can be readily appreciated that this change.In embodiment 2
In, also no longer similar variants are illustrated.
Embodiment 2
As shown in figure 11, the present invention provides a kind of Rimless and shows bar, and described Rimless shows that the display panel material of bar is
Flexible OLED；Described oled panel is in the width direction comprising the intermediate region 1 that effectively shows and two invalid displays
Fringe region 2 and 3；Fringe region 2 does not include lead wire circuit, and fringe region 3 includes lead wire circuit 6；Described Rimless is shown
The length-width ratio of bar is more than 8, and described Rimless shows that the width of bar refers to the width of the intermediate region 1 effectively shown；Middle area
The back side in domain 1 sticks to the upper side of multi-layer flexible circuit 9, and fringe region 2 bends with fringe region 3 and sticks to layer flexible
The downside of circuit 9, radius bend R is less than 1.3mm, as shown in figure 4, radius bend does not include the thickness of oled panel, bending
Radius 4 is preferably 0.2 ~ 0.5mm；Adhesion knot of the fringe region 2 and 3 by multi-layer flexible circuit 9 indirectly with intermediate region 1
Close, multi-layer flexible circuit 9 is the intermediate layer of adhesive bond and plays certain supporting role；Fringe region 2 does not have with fringe region 3
Normal display capabilities after standby display capabilities or bending are destroyed, and are not involved in video and are shown；The marginal zone of circuit lead is not included
The resistance of electrode becomes big after the Organic Light Emitting Diode in domain 2 is broken off or bent without electrode or electrode, the electrode of fringe region 2
State do not influence the video display capability of intermediate region 1；As shown in figure 12, the circuit lead of fringe region 3 is connected to multilayer
Flexible circuit, and show that two widths of bar are drawn from Rimless；As shown in figure 5, Rimless shows the transparency electrode 4 of bar
It is ITO, AZO, nano silver wire, metal grill or graphene etc., preferably nano silver wire, after bending, resistance increases or rolled over
It is disconnected；The material of metal electrode 5 of fringe region 3 comprising circuit lead 6 is such as gold, silver, copper of the conducting metal with high ductibility
Deng, be preferably silver, the thickness of metal electrode 5 in micron order, effect be bending after keep normal conductive capability；Fringe region 3
Metal electrode 5 play transparency electrode 4 and the external drive circuit, the organic light emission two of intermediate region 1 of connection intermediate region 1
The anode and negative electrode normally of pole pipe, possess normal display capabilities, the video image for showing input；Described display
The flexible parent metal of bar is polymer film or sheet metal；The circuit drives mode of described display bar uses Activematric OLED side
Formula（AMOLED）Or passive matrix OLED mode (PMOLED)；As shown in fig. 6, using PMOLED modes, along display bar width side
What it is to distribution is cathodic scan line, and what is be distributed along its length is anode data wire, and the electrode structure makes PMOLEM possess in length
Spend direction and make large-sized ability.
As shown in figure 13, the present invention also provides a kind of screen spelling that bar and display screen are shown comprising foregoing Rimless
Welding system, described Rimless shows that bar is arranged on the marginal position of described display screen, and described Rimless shows the side of bar
Edge region 2 is fixed on the front 7 of described display screen with fringe region 3, and bar is shown positioned at the front 7 of display screen and Rimless
Between the back side of intermediate region 1, described Rimless shows that the fringe region 2 of bar and 3 preferably uses glue adhesive bond described
Display screen front；Described Rimless show the intermediate region 1 of bar be completely covered described display screen comprising frame
Marginal portion, described Rimless shows that the intermediate region 1 of bar constitutes mosaic display screen together with the front 7 of described display screen
Curtain, the video image of synthesis display input, forms the visual effect of Rimless under certain visual condition；Rimless shows bar
Circuit lead 6 shows that the width side of bar is drawn by multi-layer flexible circuit from Rimless, is connected to driving and the control circuit of correlation.
As shown in figure 8, in the stitching position of described display screen, Rimless shows the pixel and the pixel portion of described display screen of bar
It is overlapping；In the right-angled intersection stitching position of described display screen, described Rimless shows that bar shows the pixel of bar with Rimless
Partly overlap；Show that bar, in the relative position of full screen, video image is divided with described display screen according to described Rimless
It is cut into corresponding image block to show respectively, described Rimless shows that the edge pixel of bar is corresponding with described display screen
Pixel fusion show, form continuous image.
Claims (8)
1. a kind of Rimless shows bar, it is characterized in that：
Described Rimless shows that the display panel of bar is flexible Organic Light Emitting Diode (OLED) panel, described flexible OLED
Panel includes the fringe region of an intermediate region effectively shown and two invalid displays, two described sides in the width direction
Edge region bends and sticks to the back side of described intermediate region, and radius bend is less than 1.3mm, and described Rimless shows bar
Length-width ratio is more than 8, and metal electrode is passed through in described bending part along the electrode of described Rimless display bar length direction distribution
It is connected to external drive circuit.
2. Rimless as claimed in claim 1 shows bar, it is characterized in that：Rimless shows that bar width refers to described intermediate region
Width.
3. Rimless as claimed in claim 1 shows bar, it is characterized in that：Described metal electrode is the metal of micron order thickness
Wire.
4. Rimless as claimed in claim 1 shows bar, it is characterized in that：Two described fringe regions be without display capabilities or
Normal display capabilities after bending are destroyed, and are not involved in the viewing area of video；The circuit communication of described intermediate region is normal,
Possess normal display capabilities, the video image for showing input.
5. Rimless as claimed in claim 1 shows bar, it is characterized in that：Described flexible OLED panel is driven using active-matrix
Flowing mode.
6. Rimless as claimed in claim 1 shows bar, it is characterized in that：Described flexible OLED panel is driven using passive-matrix
Flowing mode, is cathodic scan line along show the distribution of bar width, is anode data wire along show the distribution of bar length direction.
7. Rimless as claimed in claim 1 shows bar, it is characterized in that：The flexible parent metal of described flexible OLED panel is poly-
Compound film or sheet metal.
8. a kind of screen splicing system, it is characterized in that：Including
Display screen and the Rimless as described in any one of claim 1 to 7 show bar, and described Rimless shows that bar is arranged on institute
The marginal position for the display screen stated, two described fringe regions are fixed on the front of described display screen, and positioned at described
Display screen it is positive between the back side of described intermediate region, the bag of described display screen is completely covered in described intermediate region
Marginal portion containing frame, described Rimless shows that the intermediate region of bar constitutes mosaic display screen together with the front of display screen
Curtain, the video image of synthesis display input.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710244836.XA CN106972045B (en) | 2017-04-14 | 2017-04-14 | Frameless display bar and screen splicing system |
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| CN201710244836.XA CN106972045B (en) | 2017-04-14 | 2017-04-14 | Frameless display bar and screen splicing system |
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| CN110992829A (en) * | 2019-12-06 | 2020-04-10 | 武汉华星光电半导体显示技术有限公司 | Spliced foldable display screen |
| CN110992829B (en) * | 2019-12-06 | 2021-07-23 | 武汉华星光电半导体显示技术有限公司 | Spliced foldable display screen |
| CN113628580A (en) * | 2021-09-18 | 2021-11-09 | 利晶微电子技术(江苏)有限公司 | Display screen, display system, display method and device thereof, terminal and medium |
| WO2023082318A1 (en) * | 2021-11-10 | 2023-05-19 | Tcl华星光电技术有限公司 | Tiled display panel and tiled display apparatus |
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|---|---|
| CN106972045B (en) | 2019-03-19 |
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