CN109817094A - Stretchable display structure and display device - Google Patents
Stretchable display structure and display device Download PDFInfo
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- CN109817094A CN109817094A CN201910016995.3A CN201910016995A CN109817094A CN 109817094 A CN109817094 A CN 109817094A CN 201910016995 A CN201910016995 A CN 201910016995A CN 109817094 A CN109817094 A CN 109817094A
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Abstract
The embodiment of the present invention provides the stretchable display structure of one kind and display device, and stretchable display structure includes: substrate；Multiple rotatable parts on the substrate carry out in convex surface stretching or concave surface drawing process to the substrate, and the rotatable part is rotated relative to the substrate surface；Multiple blocks of pixels, and each block of pixels is fixed on the rotatable part；It is electrically connected the conducting wiring of adjacent pixel module.The concave surface that the present invention can be realized stretchable display structure stretches and convex surface stretches.
Description
Technical field
The present embodiments relate to field of display technology, in particular to a kind of stretchable display structure and display device.
Background technique
OLED (Organic Light-Emitting Diode) is known as organic electroluminescent LED.OLED display technology
With all solid state, active shines, high contrast, ultra-thin, low-power consumption, effect speed is fast, working range is wide, it is flexible aobvious to be easily achieved
Show and many advantages, such as 3D display, so that it is applied on many multi-display equipments at present, such as applied to television set and shifting
In dynamic equipment.
Flexible OLED refers to flexible Organic Light Emitting Diode, is manufactured based on flexible base board, and run on flexible substrates.
Compared with traditional rigid OLED, flexible OLED is more flexible, lighter and thinner, so that foldable, rollable display technology
It is possibly realized, foldable, rollable display technology is very widely used.
Summary of the invention
The present invention provides stretchable display structure, comprising: substrate；Multiple rotatable parts on the substrate,
The substrate is carried out in convex surface stretching or concave surface drawing process, the rotatable part is revolved relative to the substrate surface
Turn；Multiple blocks of pixels, and each block of pixels is fixed on the rotatable part；It is electrically connected adjacent pixel module
Conducting wiring.
The present invention also provides a kind of display devices, including above-mentioned stretchable display structure.
Compared with prior art, technical solution provided in an embodiment of the present invention has the advantage that
The present invention provides a kind of superior stretchable display structure of structural behaviour, is provided with multiple rotatable portion on substrate
Part, and block of pixels is fixed on the rotatable part, is carried out in convex surface stretching or concave surface drawing process to substrate, it can
Rotary part is rotated relative to substrate surface, so that the block of pixels be driven to rotate relative to substrate surface, can be drawn with realizing
The concave surface for stretching display structure stretches or convex surface stretches；Also, since the stretching of block of pixels is no longer limited to substrate completely, make
The stretchable size and stretchable direction for obtaining block of pixels are improved；In addition, the conducting wiring is to the pixel mould
Certain inhibiting effect is played in the overturning of block, is conducive to the rotation direction variation for balancing the block of pixels, avoids block of pixels
Excessively gather or excessively turn up, the angle of the block of pixels rotation can be prevented excessive and reduces turning for the block of pixels
Dynamic rate is experienced to reduce the visual perception that display distortion is promoted in drawing process.Therefore, the present invention is realizing stretchable show
While showing that the convex surface of structure stretches and concave surface stretches, guarantee that the stretchable display structure has good display effect.
In addition, rotatable part includes the ball shape rotary portion that can be rotated relative to substrate surface, block of pixels is fixed on ball
On shape rotating part, and the block of pixels is located in the tangent plane in the ball shape rotary portion, stretches on convex surface or concave surface stretches
In the process, the block of pixels is always positioned in the tangent plane in ball shape rotary portion, thus block of pixels and the ball shape rotary portion
The radius for crossing the tangent plane is vertical always, to be conducive to further be promoted visual perception's experience in drawing process.
In addition, rotatable part includes the firm banking being fixed on the substrate, ball shape rotary portion is set to the fixation
In pedestal, during stretching, rotating path of the ball shape rotary portion in the firm banking is simple, so that the spherical shape
The angle of rotating part rotation can preferably follow the draw angle of substrate.
In addition, firm banking is partially submerged into substrate, have compared to the conducting wiring between adjacent pixel module solid
For measured length, the scheme to substrate is partially submerged into using firm banking, the substrate is advantageously implemented and is able to carry out convex surface
The maximization for the draw angle variation that stretching or concave surface stretch, therefore without realizing while increasing conducting wiring length
The draw angle that spherical surface stretches maximizes, and reduces RC retardation ratio effect, improves the show uniformity of stretchable display structure.
In addition, the shape of conducting wiring is Curved, the conducting wiring can be effectively prevent to occur during stretching
Fracture.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is a kind of structural schematic diagram of stretchable display screen；
Fig. 2 is the schematic diagram of the section structure for the stretchable display structure that one embodiment of the invention provides；
Fig. 3 is that stretchable display structure described in Fig. 2 realizes the structural schematic diagram that convex surface stretches；
Fig. 4 is that stretchable display structure described in Fig. 2 realizes the structural schematic diagram that concave surface stretches.
Specific embodiment
With reference to Fig. 1, Fig. 1 is a kind of structural schematic diagram of stretchable display screen, and the structure of current stretchable display screen is main
For island bridge structure, there are multiple dot structures 10 on substrate, the multiple light emitting pixel structure 10 is used as island, adjacent pixel structure
Be electrically connected between 10 using conducting wire 20, and the conducting wire 20 is additionally arranged in the dot structure 10, the conducting wire as bridge,
In, the shape of the conducting wire 20 is S-shaped, and for multiple dot structures 10 of same a line, and multiple conducting wires 20 are constituted
A complete conducting wire being electrically connected to each other, for multiple dot structures of same row, multiple conducting wires 20 are constituted mutually
One complete conducting wire of electrical connection.
Above-mentioned stretchable display screen can realize planar stretch and be difficult to realize spherical surface stretching.
The present invention provides a kind of stretchable display structure, including the rotatable part between substrate and block of pixels；
It is electrically connected the conducting wiring of adjacent pixel module.The present invention is promoted while realizing that spherical surface stretches and stretches display effect.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in various embodiments of the present invention
In, in order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and
Based on the various changes and modifications of following embodiment, the application technical solution claimed also may be implemented.
Fig. 2 is the schematic diagram of the section structure for the stretchable display structure that one embodiment of the invention provides.
With reference to Fig. 2, stretchable display structure provided in this embodiment includes: substrate 100；On the substrate 100
Multiple rotatable parts 101 carry out in convex surface stretching or concave surface drawing process, the rotatable portion to the substrate 100
Part 101 is rotated relative to 100 surface of substrate；Multiple blocks of pixels 102, and each block of pixels 102 is fixed on one and can revolve
On rotation member 101；It is electrically connected the conducting wiring 103 of adjacent pixel module 102.
Stretchable display structure provided in this embodiment is described in detail below with reference to attached drawing.
The material of the substrate 100 is the material with elasticity and ductility.The material of the substrate 100 includes polyethylene
(PE), polypropylene (PP), polystyrene (PS), polyethylene terephthalate (PET), polyethylene naphthalate
(PEN) or polyimides (PI).The substrate 101 can also be ultra thin glass substrates, and the thickness of ultra thin glass substrates is less than
Or it is equal to 50 μm.
The block of pixels 102 is luminous for showing, as the island in stretchable display structure；The conducting wiring 103
For being electrically connected adjacent pixel module 102, as the bridge in stretchable display structure.In the present embodiment, the multiple pixel mould
Block 102 is distributed on the substrate 100 in array, and the multiple block of pixels 102 includes arranging along X (not shown) direction
Multiple row block of pixels 102 and the multirow block of pixels 102 arranged along (not shown) direction Y, wherein X-direction and Y-direction are hung down
Directly.
Correspondingly, the multiple rotatable part 101 is also distributed on the substrate 100 in array, it is described rotatable
Component 101 includes the multiple row rotatable part 101 arranged in X direction and the multirow rotatable part 101 along Y-direction arrangement.
It should be noted that for the ease of illustration and illustrating in the present embodiment, illustrating only two blocks of pixels in Fig. 2
102。
Carried out in convex surface stretching or concave surface drawing process to the substrate 100, the rotatable part 101 relative to
100 surface of the substrate rotation, to drive the block of pixels 102 being fixed on the rotatable part 101 relative to substrate
100 rotations, to realize that the male and fomale(M&F) of stretchable display structure stretches display, that is to say, that stretchable display structure can be made
Realize the purpose that spherical surface stretches.
It should be noted that the substrate 100 is 100 front of substrate towards the face of block of pixels 102, the concave surface is stretched
Refer to that 100 front of substrate becomes the drawing process of concave surface；The convex surface, which stretches, refers to that 100 front of substrate becomes
For the drawing process on convex surface.
Specifically, it is carried out in the drawing process of convex surface to the substrate 100, the rotatable part 101 is rotated to two sides
It turns up, so that the block of pixels 102 be driven also accordingly to turn up to two sides, realizes that the convex surface of stretchable display structure is shown.This
Outside, due to having conducting wiring 103 between adjacent pixel module 102, the conducting wiring 103 can limit to a certain extent
The rotational angle of the block of pixels 102 so that block of pixels 102 be avoided to flip outward the excessive problem of angle, and then prevents
The block of pixels 102 is excessively turned up；Also, the conducting wiring 103 can reduce 102 slewing rate of block of pixels,
So that the overturning of block of pixels 102 rate is moderate in the drawing process of convex surface.As a result, the present embodiment be conducive to reduce convex surface stretched
Display distortion in journey promotes the display visual effect in the drawing process of convex surface.
When carrying out concave surface stretching to the substrate 100, the rotatable part 101 rotates varus, thus described in driving
Block of pixels 101 also accordingly to the inside side to overturn of rotatable part 101, realizes that the concave surface of stretchable display structure is shown.
Further, since having conducting wiring 103 between adjacent pixel module 102, the conducting wiring 103 can limit to a certain extent
The rotational angle of the block of pixels 102 is made, thus the problem for avoiding the inside flip angle of block of pixels 102 excessive, Jin Erfang
Only the block of pixels 102 is excessively gathered；Also, the conducting wiring 103 can reduce the block of pixels 102 and rotate speed
Rate, so that the overturning of block of pixels 102 rate is moderate in the drawing process of concave surface.The present embodiment is conducive to reduce concave surface drawing as a result,
Display distortion during stretching improves the display visual effect in the drawing process of concave surface.
On being parallel to 100 surface direction of substrate, the shape of the conducting wiring 103 is Curved.It is arranged in this way
Benefit include: due to conducting wiring 103 shape be Curved so that the conducting wiring 103 have can be stretched it is remaining
Amount, thus when carrying out convex surface stretching to substrate 100, the route of S-shaped conducting wiring 103 is with being elongated, to effectively keep away
Exempt from the problem of conducting wiring 103 is broken during stretching, and is conducive to increase adjacent pixel module in a stretched state
The distance between 102.It should be noted that for the ease of illustration and explanation, conducting wiring 103 is shown with linear in Fig. 2.
In the present embodiment, on being parallel to 100 surface direction of substrate, the shape of the conducting wiring 103 is S-shaped item
Shape.
The rotatable part 101 includes ball shape rotary portion 221, and the ball shape rotary portion 221 can be relative to the substrate
The rotation of 100 surfaces, the block of pixels 102 are fixed in the ball shape rotary portion 221.The ball shape rotary portion 221 is opposite
When 100 surface of substrate rotates, be conducive to the gentle transition overturning for driving block of pixels 102, to be conducive to avoid showing
Show distortion, improves user experience.
In the present embodiment, the ball shape rotary portion 221 is medicine ball, and the stability in the ball shape rotary portion 221 of medicine ball is high,
The stability for being conducive to improve the ball shape rotary portion 221 prevents the ball shape rotary after multiple convex surface stretches or concave surface stretches
The problem on deformation that portion 221 occurs because being hit.In other embodiments, the ball shape rotary portion can also be hollow ball
Shape.
In the present embodiment, there is contact point, the pixel between the block of pixels 102 and the ball shape rotary portion 221
102 top surface of module and the radius of the excessively described contact point in the ball shape rotary portion 221 are perpendicular.The benefit being arranged in this way exists
In in convex surface stretching or concave surface drawing process, 102 top surface of block of pixels is always perpendicular to ball shape rotary portion
221 cross the radius of contact point, are conducive to the visual perception's experience for improving user.
The rotatable part 101 is universal shaft member；The universal shaft member includes: to be fixed on 100 table of substrate
The firm banking 222 in face, the ball shape rotary portion 221 are set in the firm banking 222.It is described in the universal shaft member
It ball shape rotary portion 221 can be in the firm banking 222 along Arbitrary Rotation, so that being fixed on ball shape rotary portion
Block of pixels 102 on 222 can be along Arbitrary Rotation, to realize that the concave surface of stretchable display structure stretches or convex surface is drawn
It stretches.
It is carried out in convex surface stretching or concave surface drawing process to the substrate 100,221 rotation angle of ball shape rotary portion
Degree is greater than 100 draw angle of substrate, so that direction that the block of pixels 102 is stretched and the size being stretched are no longer
It is limited to the direction that substrate 100 is stretched and the size being stretched, so that the maximum for being conducive to improve block of pixels 102 can be drawn
The amount of stretching, and be conducive to increase the stretchable direction of the block of pixels 102.
In the present embodiment, the shape of the firm banking 222 be it is arc-shaped, the shape of the firm banking 222 with it is described
The shape in ball shape rotary portion 221 matches, and guarantees that the ball shape rotary portion 221 can rotate in the firm banking 222, and
Reduce the resistance from firm banking 222 that ball shape rotary portion 221 is subject in rotary course.It should be noted that in other realities
It applies in example, the shape of the firm banking can also be other shapes, protection ball in convex surface stretching or concave surface drawing process
Shape rotating part can be rotated relative to firm banking.
Ball shape rotary portion 221 falls off from firm banking 222 during stretching in order to prevent, in the present embodiment, institute's circular arc
The opening area of the firm banking 222 of shape is less than the big area of a circle in the ball shape rotary portion 221.Great circle is referred to by spherical shape
The plane of the centre of sphere of rotating part 221 intersects the circle obtained, the center of circle and ball shape rotary portion of great circle with the ball shape rotary portion 221
221 centre of sphere is overlapped.
In the present embodiment, the radius in the ball shape rotary portion 221 is equal with the internal diameter of the firm banking 222.At other
In embodiment, in order to reduce the firm banking to the resistance in the ball shape rotary portion, the radius in the ball shape rotary portion may be used also
To be less than the internal diameter of the firm banking.
The ratio of the big area of a circle in 102 top surface area of block of pixels and the ball shape rotary portion 221 should not mistake
Greatly, also unsuitable too small.For the stretchable display structure in the ball shape rotary portion 221 with equivalent amount and comparable size,
If the ratio is too small, the pixel density in stretchable display structure is too small；If the ratio is excessive, corresponding single pixel module
102 area is larger, and the rotatable range of block of pixels 102 is easily caused to be restricted.For this purpose, in the present embodiment, the pixel
Ratio between 102 top surface area of module and the big area of a circle in the ball shape rotary portion 221 be greater than or equal to 1 and be less than or
Equal to 1.5, in the ratio range, while guaranteeing that stretchable display structure has larger pixel density, guarantee pixel mould
Block 102 has biggish rotatably range.
In the universal shaft member, the shape design in ball shape rotary portion 221 is simple, and the spherical rotation during stretching
The degree that the direction of rotation of transfer part 221 can timely follow response substrate 100 to be stretched, to improve 102 turns of block of pixels
Matching degree between dynamic 100 level of stretch of angle and substrate.In the present embodiment, the firm banking 222 is partially submerged into described
In substrate 100, when the substrate 100 is stretched certain angle, be conducive to make to be located at the spherical rotation in the firm banking 222
The rotational angle that transfer part 221 is influenced by substrate 100 and occurred maximizes, that is to say, that is conducive to draw block of pixels 102
The draw angle changing value that hade degree is influenced by substrate 100 and had maximizes, therefore, even if substrate 100 is stretched very
A small angle, the angle being stretched that the block of pixels 102 is shown is relatively large draw angle, thus further
The influence that reduction 102 draw angle of block of pixels and direction are limited by 100 draw angle of substrate and direction.
Also, for there is regular length compared to the conducting wiring 103 between adjacent pixel module 102, using fixation
Pedestal 222 is partially submerged into the scheme in substrate 100, is advantageously implemented block of pixels 102 and is able to carry out convex surface stretching or recessed
The maximization for the draw angle variation that face stretches, therefore without while increasing by 103 length of conducting wiring, realizing that spherical surface stretches
Draw angle maximize, and reduce RC retardation ratio effect, improve the show uniformity of stretchable display structure.
It should be noted that in other embodiments, the firm banking can also be set to the substrate surface.
Fig. 3 is that stretchable display structure described in Fig. 2 realizes the structural schematic diagram that convex surface stretches, and Fig. 4 is can described in Fig. 2
It stretches display structure and realizes the structural schematic diagram that concave surface stretches.
With reference to Fig. 3, carried out in the drawing process of convex surface to substrate 100,100 front of substrate becomes convex surface, described rotatable
Ball shape rotary portion 221 in component 101 is rotated along direction AA1, so that adjacent pixel module 102 is driven to turn up to two sides, and
The route of conducting wiring 103 is with being elongated, to realize that the convex surface of stretchable display structure stretches.And in block of pixels
102 into two sides eversion process, and the conducting wiring 103 has certain pulling force effect to the block of pixels 102, can not only
It enough prevents 102 valgus angle of block of pixels excessive, and also helps and reduce the rate that block of pixels 102 is turned up to two sides, reduce
Display distortion, thus visual perception's experience can be improved in the drawing process of convex surface.
Also, in block of pixels 102 into two sides eversion process, the block of pixels 102 is always positioned at the spherical rotation
In the tangent plane of transfer part 221, be conducive to further improve visual perception's experience.
With reference to Fig. 4, carried out in the drawing process of concave surface to substrate 100,100 front of substrate becomes concave surface, described rotatable
Ball shape rotary portion 221 is rotated along direction BB1 in component 101, to drive the inside side to overturn of adjacent pixel module 102, and is led
The route of electrical wiring 103 is with being compressed, to realize that the concave surface of stretchable display structure stretches.Also, in block of pixels 102
Inwardly in switching process, the conducting wiring 103 has certain thrust to block of pixels 102, can not only prevent
Flip angle is excessive inwardly for block of pixels 102, and also helps the rate for reducing the inside side to overturn of block of pixels 102, reduces
Display distortion, thus visual perception's experience can be improved in the drawing process of concave surface.
Also, in block of pixels 102 inwardly switching process, the block of pixels 102 is always positioned at ball shape rotary portion
On the section of part 1021, be conducive to further promote visual perception's experience.
The block of pixels 102 includes at least one light emitting pixel unit and is electrically connected the light emitting pixel unit at least
One pixel-driving circuit unit, and the conducting wiring 103 is electrically connected with the pixel-driving circuit unit, thus to described
Pixel-driving circuit unit provides driving signal so that the light emitting pixel unit is in different working conditions, wherein described
Driving signal can be at least one of data-signal or scanning signal, correspondingly, a plurality of conducting wiring 103 includes
At least one of data line or scan line.
It include data line and scan line as an example, the conductive fabric with a plurality of conducting wiring 103 in the present embodiment
Line 103 includes: the first conducting wiring for being electrically connected every a line adjacent pixel module 102, and first conducting wiring is as scanning
Line provides scanning signal for pixel-driving circuit unit；It is electrically connected the second conductive fabric of each column adjacent pixel module 102, institute
The second conducting wiring is stated as data line, provides data-signal for pixel-driving circuit unit.
It it should be noted that in other embodiments, the conducting wiring can moreover be only data line, or is only to scan
Line.
In the present embodiment, the block of pixels 102 is OLED pixel module, correspondingly, the light emitting pixel unit is
OLED light emitting pixel unit.
It should be noted that in other embodiments, the block of pixels can also be Micro LED pixel module, phase
The light emitting pixel unit answered is Micro LED light emitting pixel unit, alternatively, the block of pixels can also be LCD pixel
Module, the corresponding light emitting pixel unit are LCD light emitting pixel unit.
In the present embodiment, the stretchable display structure is stretchable OLED structure.In other embodiments, described to draw
Stretching structure can also be stretchable LCD structure or stretchable Micro LED structure.Correspondingly, the embodiment of the present invention also provides
A kind of display device, the display device include above-mentioned stretchable display structure.Display device can be mobile phone, plate electricity
Brain, television set, display, Digital Frame or navigator etc. have the product or component of TV functions.The display device
It is able to achieve convex surface stretching or concave surface stretches.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Anyone skilled in the art can be made respectively to change and modify, therefore this hair without departing from the spirit and scope of the present invention
Bright protection scope should be subject to claim restriction range.
Claims (10)
1. a kind of stretchable display structure characterized by comprising
Substrate；
Multiple rotatable parts on the substrate are carrying out convex surface stretching or concave surface drawing process to the substrate
In, the rotatable part is rotated relative to the substrate surface；
Multiple blocks of pixels, and each block of pixels is fixed on the rotatable part；
It is electrically connected the conducting wiring of adjacent pixel module.
2. stretchable display structure according to claim 1, which is characterized in that the rotatable part includes: to be fixed on
Firm banking on the substrate, and the ball shape rotary portion being carried in the firm banking, the ball shape rotary portion can phase
The substrate surface is rotated, the block of pixels is fixed in the ball shape rotary portion.
3. stretchable display structure according to claim 2, which is characterized in that the block of pixels and the ball shape rotary
There is contact point, the block of pixels top surface and the radius of the excessively described contact point in the ball shape rotary portion mutually hang down between portion
Directly.
4. stretchable display structure according to claim 2, which is characterized in that the block of pixels top surface area with
Ratio between the big area of a circle in the ball shape rotary portion is greater than or equal to 1 and is less than or equal to 1.5.
5. stretchable display structure according to claim 4, which is characterized in that perpendicular to the substrate surface direction
On, the section shape of the firm banking is arc-shaped.
6. stretchable display structure according to claim 5, which is characterized in that the opening area of the firm banking is less than
Or the big area of a circle equal to the ball shape rotary portion.
7. stretchable display structure according to claim 4, which is characterized in that the firm banking is partially submerged into described
In substrate.
8. stretchable display structure according to claim 1, which is characterized in that the shape of the conducting wiring is bending
Shape.
9. stretchable display structure according to claim 1, which is characterized in that the block of pixels includes at least one hair
Light pixel unit and at least one the pixel-driving circuit unit for being electrically connected the light emitting pixel unit, the pixel-driving circuit
Unit is electrically connected with the conducting wiring.
10. a kind of display device, which is characterized in that including the described in any item stretchable display structures of such as claim 1-9.
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| CN113888965B (en) * | 2020-08-21 | 2023-09-26 | 友达光电股份有限公司 | Stretching display |
| CN112053632A (en) * | 2020-09-16 | 2020-12-08 | 京东方科技集团股份有限公司 | Display device and manufacturing method thereof |
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