CN110021239A - A kind of OLED splicing construction - Google Patents
A kind of OLED splicing construction Download PDFInfo
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- CN110021239A CN110021239A CN201910335431.6A CN201910335431A CN110021239A CN 110021239 A CN110021239 A CN 110021239A CN 201910335431 A CN201910335431 A CN 201910335431A CN 110021239 A CN110021239 A CN 110021239A
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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
- G09F9/302—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 characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
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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
This application discloses a kind of OLED splicing constructions, including at least two pieces of OLED screen bodies；OLED screen body includes intermediate luminous zone and abuts against the outer peripheral not luminous zone in luminous zone；The OLED screen body that light-emitting surface is at least partially obscured uses divisional light emission, and luminous zone includes the second luminous subregion that light-emitting surface is not blocked by OLED screen body splicing adjacent thereto by the first luminous subregion that OLED screen body splicing adjacent thereto is blocked and light-emitting surface；First luminous subregion is not less than size of the not luminous zone in corresponding direction for the OLED screen spliced with it along the size perpendicular to the first, second luminous subregion line of demarcation direction.Shield body and use divisional light emission, realizes the control of same screen body different piece difference brightness；The light of first luminous subregion of bottom OLED screen body penetrates screen body above, adjust the OLED screen body of bottom electric current make it is consistent with the light emission luminance of the second luminous subregion through the not light of luminous zone, it is seamless spliced in realization luminous lamp strip brightness.
Description
Technical field
This application involves a kind of OLED technology fields, and in particular to a kind of OLED splicing construction.
Background technique
OLED (Organic Light Emitting Diode, Chinese name organic light emitting display) refers to organic semiconductor
Material and luminescent material are under electric field driven, the phenomenon that injection by carrier with composite guide photoluminescence.According to this luminous original
It manages and display is made or illuminating product is referred to as organic light emitting display or organic luminous illuminating device.Flexibility, meandering,
The ultra-thin developing direction as OLED screen body future.
Current flexibility OLED illumination application is more and more wider, but is limited to OLED production for line problem, and product size is limited
, but the size of its application can generally exceed product dimension limit, be thus related to product length and be not able to satisfy actual demand
The problem of, it cannot achieve large area light emitting, the method that industry solves the technical problem includes connection scheme, such as
WO2018113022A1, by the way that corresponding film layer is thinned, to realize seamless spliced, complex process is at high cost.It would therefore be highly desirable to find
A method of it is not only economical but also save trouble.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, it is intended to provide a kind of OLED splicing construction.
The application provides a kind of OLED splicing construction, including at least two pieces of OLED screen bodies and for bonding each OLED screen body
Adhesive structure；OLED screen body includes intermediate luminous zone and abuts against the outer peripheral not luminous zone in luminous zone；Light-emitting surface is by part
The OLED screen body blocked uses divisional light emission, luminous zone includes light-emitting surface blocked by OLED screen body splicing adjacent thereto the
One luminous subregion and light-emitting surface are not spliced the second luminous subregion blocked by OLED screen body adjacent thereto；First luminous subregion
Exist along the not luminous zone that the size perpendicular to the first, second luminous subregion line of demarcation direction is not less than the OLED screen body spliced with it
The size of corresponding direction.The OLED screen body that light-emitting surface is at least partially obscured uses divisional light emission, and same screen body difference portion may be implemented
Divide the control of different brightness, the light of the first luminous subregion of bottom OLED screen body penetrates OLED screen body above, makes above
There is backlight to get at OLED not luminous (light transmission), while by the electric current for the OLED screen body for adjusting bottom to adjust stitching portion hair
The brightness in light region, make it is consistent with the light emission luminance of the second luminous subregion through the not light of luminous zone, to realize whole lamp bar
Brightness uniformity, it is final realize it is seamless spliced in luminous lamp strip brightness.Certainly, adjusting electric current is not limited by the application
It realizes that stitching portion is consistent with the brightness of the second luminous zone, can also include control and voltage control of PWM wave etc..
Preferably, the first luminous subregion shines with second through the brightness of the not luminous zone of the OLED screen body spliced therewith and divides
Area's brightness is consistent.The brightness of the first luminous subregion is adjusted by adjusting the operating current of the first luminous subregion, so that first
The subregion that shines is consistent with the second luminous subregion brightness through the brightness of the not luminous zone of the OLED screen body spliced therewith.
Preferably, adhesive structure includes optical cement OCA (the Optically Clear for being pasted onto the OLED screen body back side
Adhesive)；Adjacent OLED screen body is bonded by optical cement OCA.Optical cement OCA translucency is good, and light decay is small, realizes that backlight is worn
It thoroughly, and can be integral by each piece of OLED screen body connection.
It preferably, further include screen body FPC (Flexible Printed Circuit, flexible circuit board)；Screen body FPC passes through
Anisotropic conductive film (Anisotropic Conductive Film, ACF) bonding is on OLED screen body.
It preferably, further include backboard FPC；Shield body FPC bonding on backboard FPC.Realize that each OLED screen body is uniformly controlled.
Preferably, the first luminous subregion and the second luminous subregion gap are less than 100 microns.When gap is less than 100 microns, people
Eye can hardly see luminous light and shade variation, realize visual seamless spliced.
Preferably, the first luminous subregion and the second luminous subregion gap are 10~35 microns.The too small then difficulty of processing in gap
Excessive, the excessive then visual effect in gap is poor, and experiment shows that gap is 10~35 microns preferable.
Preferably, OLED screen body is flexible OLED screen body.The flexible frivolous easy splicing of OLED screen body.
Preferably, each piece of OLED screen body splices along one-dimensional square；First luminous subregion and the second luminous subregion are in splicing side
Upward laid out in parallel.Spliced one by one in one direction using muti-piece OLED screen body, billet splicing strip is used.
Preferably, each piece of OLED screen body splices along two-dimensional directional；First luminous subregion be located at the part edge of luminous zone or
Whole edges.Spliced using muti-piece OLED screen body along two-dimensional directional, fritter is spliced into bulk and is used.
The application has the advantages and positive effects of: since the application uses technical solution as above, easy to operate, cost
Bottom can be achieved with seamless spliced in brightness without being thinned as existing connection scheme carries out ladder to each film layer.Preferred embodiment
It is middle to use flexible OLED screen body, fully demonstrate the frivolous feature of flexible OLED.
The technical issues of in addition to the application described above solution, constitutes the technical characteristic of technical solution and by these
Except advantage brought by the technical characteristic of technical solution, wrapped in other technologies problem that the application can solve, technical solution
Advantage brought by the other technical characteristics contained and these technical characteristics, makees further details of hereinafter in conjunction with attached drawing
Explanation.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Monolithic OLED screen body structural schematic diagram in the OLED splicing construction that Fig. 1 provides for the embodiment of the present application 1；
The structural schematic diagram of stitching portion in the OLED splicing construction that Fig. 2 provides for the embodiment of the present application 1；
The connecting method schematic diagram of each OLED screen body in the OLED splicing construction that Fig. 3 provides for the embodiment of the present application 1；
Monolithic OLED screen body structural schematic diagram in the OLED splicing construction that Fig. 4 provides for the embodiment of the present application 2；
Fig. 5 is the structural schematic diagram for the OLED splicing construction that the embodiment of the present application 2 provides；
The connecting method schematic diagram of each OLED screen body in the OLED splicing construction that Fig. 6 provides for the embodiment of the present application 3；
The connecting method schematic diagram of each OLED screen body in the OLED splicing construction that Fig. 7 provides for the embodiment of the present application 4；
Monolithic OLED screen body structural schematic diagram in the OLED splicing construction that Fig. 8 provides for the embodiment of the present application 5；
Fig. 9 is the structural schematic diagram for the OLED splicing construction that the embodiment of the present application 5 provides.
In figure: 100, backboard FPC；200, shield body FPC；300, optical cement OCA；400, OLED screen body；410, luminous zone；
411, the first luminous subregion；412, the second luminous subregion；420, not luminous zone；430, the area bonding.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment 1
Fig. 1, Fig. 2 and Fig. 3 are please referred to, the present embodiment provides a kind of OLED splicing constructions, including backboard FPC 100, screen body
FPC 200, optical cement OCA 300 and muti-piece OLED screen body 400.OLED screen body 400 includes intermediate luminous zone 410 and abuts against
The area bonding 430 of luminous zone 410 outer peripheral not luminous zone 420 and one end.The OLED screen body that light-emitting surface is at least partially obscured
400 use divisional light emission, and luminous zone 410 includes that light-emitting surface is spliced the first hair blocked by OLED screen body 400 adjacent thereto
Light subregion 411 and light-emitting surface are not spliced the second luminous subregion 412 blocked by OLED screen body 400 adjacent thereto.First shines
Subregion 411 is not less than the OLED screen body 400 spliced with it along the size a perpendicular to the first, second luminous subregion line of demarcation direction
Not luminous zone 420 in the size b of corresponding direction, avoid the first luminous subregion 411 and upper layer OLED screen of lower layer's OLED screen body
There are gaps between the luminous subregion 412 of the second of body to generate screen body dark space.
1, OLED screen body 400 is shone and is distinguished into two parts, the first luminous subregion 411 is 13.5mm long, (i.e. away from side 20mm
Luminous zone 6.5mm+ first does not shine subregion 13.5mm), remaining is the second luminous zone, not luminous zone 2mm；First luminous subregion with
Second luminous subregion gap is 20 microns；
2, screen body FPC 200 is bonded on OLED screen body 400 by ACF；
3, optical cement OCA 300 is pasted at 400 back side of OLED screen body, and adjacent OLED screen body 400 passes through optical cement OCA 300
Bonding.Its translucency is good, and light decay is small；
4, screen body FPC 200 is bonded on backboard FPC 100 again according to splicing sequence；
5, optical cement OCA 300 is attached and is fixed to backboard FPC 100, form structure shown in Fig. 2, realize billet OLED
Become strip OLED；
6,400 divisional light emission of OLED screen body, the first luminous subregion of the OLED screen body 400 of bottom as shown in Figure 2 in this way
411 stacking splicings are under upper layer OLED screen body 400, ignition, and luminous 411 light of subregion of the first of bottom OLED screen body 400 is logical
Optical cement OCA 300 is crossed through not luminous zone 420 of OLED screen body 400 above, upper layer OLED screen body 400 is made not shine
There is backlight to get at (light transmission), while the electric current by adjusting 400 first light emitting region of bottom OLED screen body is to adjust splicing
The brightness for locating light emitting region makes (or to tend to one through the not light of light emitting region and the light emission luminance of other light emitting regions are consistent
Cause), thus realize the brightness uniformity of whole lamp bar, it is seamless spliced in final realization luminous lamp strip brightness.Meanwhile OLED
Shielding body and select flexible OLED screen body, makes full use of the characteristic of the frivolous softness of flexible OLED, splicing offset can control in 0.1mm,
It is also realized substantially on thickness seamless spliced.
In the present embodiment, each piece of OLED screen body splices along one-dimensional square；First luminous subregion and the second luminous subregion exist
Laid out in parallel in stitching direction uses billet splicing strip.
Please further refer to Fig. 3, in the present embodiment, spliced one by one in one direction using muti-piece OLED screen body, first
A (or the last one) OLED screen body is completely exposed not to be blocked by adjacent OLED screen body, all one end quilts of remaining OLED screen body
It is exposed (i.e. the second luminous subregion of setting) to block (i.e. setting the first luminous subregion), the other end, connecting method is as shown in Figure 3.It is right
In exposed OLED screen body completely, a luminous zone (i.e. Integral luminous) can be only set, be allowed to the with other OLED screen bodies
Two luminous subregion brightness are consistent；It can also be also provided with the first luminous subregion and the second luminous subregion, as long as first, second is shone
Subregion brightness is all adjusted to consistent with the subregion brightness that shines of other OLED screen bodies second.
Embodiment 2
The present embodiment provides a kind of OLED splicing constructions, and main structure is same as Example 1, and same section repeats no more.
This embodiment differs from embodiment 1 in that:
In the present embodiment, each piece of OLED screen body splices along two-dimensional directional；First luminous subregion is located at luminous zone edge (
The periphery of two luminous subregions).Spliced using muti-piece OLED screen body along two-dimensional directional, fritter is spliced into bulk and is used.
As shown in figure 4, the present embodiment is by OLED screen body 400, screen body FPC 200, backboard FPC 100, optical cement OCA (figure
Be not shown in 4) four parts composition, wherein screen body be divided into the first luminous subregion 411, the second luminous subregion 412, not luminous zone 420,
The area bonding 430.
In order to realize the effect of large area light emitting, single screen is realized into multi-direction splicing, to realize the nothing on space plane
Limit extension: i.e. by the OLED screen body bonding screen body FPC of Fig. 4, then according to the form of Fig. 5, splicing extension, pays attention to around
During this first luminous subregion 411 be not less than along the size a perpendicular to the first, second luminous subregion line of demarcation direction and its
The not luminous zone 420 of the OLED screen body 400 of splicing corresponding direction size b, and splice when first, second shine subregion boundary
Line will be aligned with not luminous zone outer edge, seen that Fig. 5, the first luminous subregion are all overlapped, and the second luminous subregion is coated, realized
It is seamless to shine comprehensively.
In the present embodiment, the first luminous subregion and the second luminous subregion gap are 35 microns.
Embodiment 3
The present embodiment provides a kind of OLED splicing constructions, and main structure is same as Example 1, and same section repeats no more.
This embodiment differs from embodiment 1 in that:
In the present embodiment, a part of OLED screen body both ends are blocked by the splicing of adjacent OLED screen body, i.e., both ends are equipped with
The second luminous zone is arranged in first luminous zone, middle part；A part of OLED screen body both ends are not blocked by the splicing of adjacent OLED screen body,
This part OLED screen body can be with Integral luminous, can also at one end or the first luminous subregion, rest part setting the is arranged in both ends
Two luminous subregions, as long as it is consistent with remaining second luminous subregion brightness to adjust brightness；Some OLED screen body only one
End is blocked by the splicing of adjacent OLED screen body, and the first luminous subregion need to be arranged in the one end being blocked, and hair can be separately provided in the other end
Light subregion can also shine together with the second luminous subregion of middle section.
In the present embodiment, the OLED screen body ordered arrangement that one end is blocked, both ends are blocked, unobstructed, arrangement mode one
End or both ends are arranged the OLED screen body blocked one end, and rest part is that unobstructed OLED screen body blocks OLED screen body with both ends and replaces
Setting, as shown in Figure 6.
In the present embodiment, the first luminous subregion and the second luminous subregion gap are 5 microns.
Embodiment 4
The present embodiment provides a kind of OLED splicing constructions, and main structure is same as Example 3, and same section repeats no more.
The present embodiment difference from Example 3 is:
In the present embodiment, the OLED screen body that one end is blocked, both ends are blocked, unobstructed is disorderly arranged, as shown in Figure 7.
In the present embodiment, the first luminous subregion and the second luminous subregion gap are 100 microns.
Embodiment 5
The present embodiment provides a kind of OLED splicing constructions, and main structure is same as Example 2, and same section repeats no more.
The present embodiment difference from Example 2 is:
In the present embodiment, the first luminous subregion is located at the adjacent both sides in luminous zone, single OLED screen body structure such as Fig. 8
Shown, splicing construction is as shown in Figure 9.
In the present embodiment, the first luminous subregion and the second luminous subregion gap are 10 microns.
In the other embodiments of the application, it is flat two dimension can also to be carried out using single OLED screen body as described in example 2
Unordered arrangement on face.
In the other embodiments of the application, single OLED screen body may be set to be other shapes, such as regular hexagon, circle
Shape, triangle etc..
In the other embodiments of the application, OLED screen body can also be using inflexible conventional OLED screen body.
OLED screen body is either subjected to one-dimensional splicing or planar splices, also regardless of OLED screen shape,
As long as by that will be blocked area and other parts are shone using zonal control, then the light emission luminance by adjusting the area that is blocked makes
Transmission upper layer OLED screen body after brightness it is consistent with the part luma that is not blocked or reach unanimity, thus realize it is seamless spliced or
Close to seamless spliced technical solution, all within the scope of protection of this application.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above and (but being not limited to) disclosed herein have it is similar
The technical characteristic of function is replaced mutually and the technical solution that is formed.
Claims (10)
1. a kind of OLED splicing construction, which is characterized in that including at least two pieces of OLED screen bodies and for bonding each OLED screen body
Adhesive structure；The OLED screen body includes intermediate luminous zone and abuts against the outer peripheral not luminous zone in luminous zone；Light-emitting surface quilt
The OLED screen body of partial occlusion uses divisional light emission, and luminous zone includes light-emitting surface by the OLED screen body adjacent thereto
Splice second luminous point that the first luminous subregion blocked and light-emitting surface are not blocked by OLED screen body splicing adjacent thereto
Area；The first luminous subregion is not less than along size perpendicular to the first, second luminous subregion line of demarcation direction and splices with it
Shield not size of the luminous zone in corresponding direction described in body.
2. OLED splicing construction according to claim 1, which is characterized in that the first luminous subregion penetrates to be spliced therewith
The OLED screen body not luminous zone brightness it is consistent with the described second luminous subregion brightness.
3. OLED splicing construction according to claim 1, which is characterized in that the adhesive structure is described including being pasted onto
The optical cement OCA at the OLED screen body back side；The adjacent OLED screen body is bonded by the optical cement OCA.
4. OLED splicing construction according to claim 1, which is characterized in that further include screen body FPC；The screen body FPC is logical
ACF bonding is crossed on the OLED screen body.
5. OLED splicing construction according to claim 4, which is characterized in that further include backboard FPC；Ping Ti FPC nation
It is scheduled on the backboard FPC.
6. OLED splicing construction according to claim 1, which is characterized in that the first luminous subregion and second luminous point
Section gap is less than 100 microns.
7. OLED splicing construction according to claim 6, which is characterized in that the first luminous subregion and second luminous point
Section gap is 10~35 microns.
8. OLED splicing construction according to claim 1, which is characterized in that the OLED screen body is flexible OLED screen body.
9. OLED splicing construction according to claim 1, which is characterized in that each piece of OLED screen body is spelled along one-dimensional square
It connects；The first luminous subregion and second luminous subregion laid out in parallel in stitching direction.
10. OLED splicing construction according to claim 1, which is characterized in that each piece of OLED screen body is along two-dimensional directional
Splicing；The first luminous subregion is located at the luminous zone part edge or whole edges.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910335431.6A CN110021239A (en) | 2019-04-24 | 2019-04-24 | A kind of OLED splicing construction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910335431.6A CN110021239A (en) | 2019-04-24 | 2019-04-24 | A kind of OLED splicing construction |
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| CN111081158A (en) * | 2019-12-30 | 2020-04-28 | 深圳市华星光电半导体显示技术有限公司 | Spliced display screen, preparation method thereof and display device |
| CN111951697A (en) * | 2020-08-10 | 2020-11-17 | Tcl华星光电技术有限公司 | Spliced display screen |
| CN113093434A (en) * | 2019-12-23 | 2021-07-09 | 海信视像科技股份有限公司 | Display device |
| CN114973977A (en) * | 2021-02-24 | 2022-08-30 | 常州明耀半导体科技有限公司 | Concatenation formula LED transparent screen |
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