CN109935613A - Display panel - Google Patents
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- CN109935613A CN109935613A CN201910272142.6A CN201910272142A CN109935613A CN 109935613 A CN109935613 A CN 109935613A CN 201910272142 A CN201910272142 A CN 201910272142A CN 109935613 A CN109935613 A CN 109935613A
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- Prior art keywords
- substrate
- connection pad
- frontier district
- display panel
- light
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- 239000000758 substrate Substances 0.000 claims abstract description 162
- 239000004065 semiconductor Substances 0.000 claims abstract description 35
- 238000000576 coating method Methods 0.000 claims description 22
- 239000011248 coating agent Substances 0.000 claims description 16
- 230000003760 hair shine Effects 0.000 claims description 7
- 210000004209 hair Anatomy 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 16
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000012447 hatching Effects 0.000 description 5
- 239000010408 film Substances 0.000 description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
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- 229910052733 gallium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000002096 quantum dot Substances 0.000 description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- -1 InGaN (InGaN) Chemical compound 0.000 description 1
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- 238000005859 coupling reaction Methods 0.000 description 1
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- 239000010931 gold Substances 0.000 description 1
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- 229910052738 indium Inorganic materials 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
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- Electroluminescent Light Sources (AREA)
Abstract
A kind of display panel, including first substrate, the second substrate connect with first substrate to define frontier district, multiple first connection pads and multiple second connection pads are set on first substrate and in the second substrate, a plurality of light-emitting elements are set on first substrate, in the second substrate and in frontier district.Frontier district is located at first substrate including the first frontier district and the second boundary area is located at the second substrate.Light-emitting component is electrically connected the first connection pad and the second connection pad.Each light-emitting component includes that the first semiconductor layer is electrically connected first electrode, the second semiconductor layer is electrically connected second electrode and luminescent layer between the first semiconductor layer and the second semiconductor layer.In frontier district, light-emitting component is connected to the second boundary area from the first frontier district.First electrode is electrically connected the first connection pad, and second electrode is electrically connected the second connection pad.
Description
Technical field
The present invention relates to a kind of display panels, and in particular to a kind of display panel suitable for showing continuous pictures.
Background technique
In recent years, for the maximization of screen size, the display panel of narrow frame is more and more widely used in various dresses
It sets.In order to realize large scale display device, the concept and application for splicing multi-disc display panel also gradually emerge.However, multi-disc
When display panel is spliced into a large-scale display device, show that intersection of the picture between neighbouring display panels often occurs not
Continuity.
Summary of the invention
The present invention provides a kind of display panel, can be to avoid the discontinuity and promotion display quality of display picture.
Display panel of the invention, including first substrate, the second substrate connect with first substrate, with define frontier district,
Multiple first connection pads are set on first substrate with multiple second connection pads and in the second substrates and a plurality of light-emitting elements are set to
On first substrate, in the second substrate and in frontier district.Frontier district includes that the first frontier district is located at first substrate and the second side
Battery limit (BL) is located at the second substrate.The first partial connection pad is located at the one of them in the first frontier district or the second boundary area, and the of part
Two connection pads are located at the wherein another one in the first frontier district or the second boundary area.The first connection pad is electrically connected in these light-emitting components
With the second connection pad.Each light-emitting component includes that the first semiconductor layer is electrically connected first electrode, the second semiconductor layer is electrically connected the
Two electrodes and luminescent layer are between the first semiconductor layer and the second semiconductor layer.Wherein in frontier district, these members that shine
Part is connected to the second boundary area from the first frontier district.Wherein first electrode is electrically connected the first connection pad, and second electrode electrically connects
Connect the second connection pad.
Based on above-mentioned, the display panel of one embodiment of the invention, due to can be on the side of first substrate and the second substrate splicing
First connection pad and the second connection pad are set in battery limit (BL), and light-emitting component can be electrically connected to the first connection pad and second of first substrate
Second connection pad of substrate.Therefore, light-emitting component can provide display function, Jin Erke in first substrate and the intersection of the second substrate
To avoid the discontinuity for showing picture and promote display quality.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and cooperate specification attached
Figure is described in detail below.
Detailed description of the invention
Figure 1A is shown as the office of the first substrate of one embodiment of the invention and the schematic top plan view of the second substrate and frontier district
Portion's enlarged diagram.
Figure 1B is shown as the schematic top plan view of the display panel of one embodiment of the invention and the partial enlargement of frontier district is illustrated
Figure.
Fig. 1 C is shown as Figure 1B along the diagrammatic cross-section of the display panel of hatching A-A '.
Fig. 2 shows the partial enlargement diagrams of the frontier district of the display panel for another embodiment of the present invention.
Fig. 3 A is shown as the stereoscopic schematic diagram of the luminous connected structure of one embodiment of the invention.
Fig. 3 B is shown as the schematic top plan view of the display panel of another embodiment of the present invention and the partial enlargement of frontier district shows
It is intended to.
Fig. 3 C is shown as the diagrammatic cross-section of display panel of Fig. 3 B of the present invention along hatching B-B '.
Fig. 4 A is shown as the partial enlargement diagram of the display panel of another embodiment of the present invention.
Fig. 4 B is shown as the partial enlargement diagram of the display panel of further embodiment of this invention.
Fig. 4 C is shown as the partial enlargement diagram of the display panel of yet another embodiment of the invention.
Fig. 5 A is shown as the first substrate of another embodiment of the present invention and the schematic top plan view of the second substrate.
Fig. 5 B is shown as the partial enlargement diagram of the frontier district of the display panel of another embodiment of the present invention.
Fig. 6 is shown as the schematic top plan view of the display panel of another embodiment of the present invention.
Description of symbols:
10,10A, 10B, 10C, 10D, 10E, 10F, 10 ': display panel
12: frontier district
12A: the first frontier district
12B: the second boundary area
110: first substrate
120: the second substrate
140, the 140A: the first connection pad
160: the second connection pads
420: flexible substrate
200: light-emitting component
210: the first semiconductor layers
212: first electrode
220: the second semiconductor layers
222: second electrode
230: luminescent layer
300,300A: adhesion coating
320: interconnecting piece
400: shine connected structure
410: interim support plate
440: bonding layer
500: connecting wire
A-A ': hatching
L: splicing line
Specific embodiment
In the accompanying drawings, for the sake of clarity, it is exaggerated the thickness in layer, film, panel, region etc..Throughout the specification, phase
Same appended drawing reference indicates identical element.It should be appreciated that ought such as layer, film, region or substrate element be referred to as another
It when element "upper" or " being connected to " another element, can be connect directly on another element or with another element, or intermediate
Element can be there is also.On the contrary, when element is referred to as " directly on another element " or when " being directly connected to " another element, no
There are intermediary elements.As it is used herein, " connection " can refer to physics and/or electric connection.Furthermore " electric connection " or
" coupling " is can there are other elements between two element.
It will be appreciated that though term " first ", " second ", " third " etc. herein can be used for describing various elements,
Component, region, layer and/or part, but these component, assembly units, region and/or part should not be limited by these terms.This
A little terms are only used for distinguishing a component, assembly unit, region, layer or part and another component, assembly unit, region, layer or part
It opens.Therefore, " first element " discussed below, " component ", " region ", " layer " or " part " can be referred to as second element, portion
Part, region, layer or part are without departing from teaching herein.
Unless otherwise defined, all terms (including technical and scientific term) used herein have leads with belonging to the present invention
The normally understood identical meaning of the those of ordinary skill in domain.It will be further appreciated that such as in usually used dictionary
Those of definition term should be interpreted as having and their meanings in the relevant technologies and context of the invention are consistent
Meaning, and will not be interpreted Utopian or excessively formal meaning, unless clearly definition so herein.
Figure 1A is shown as the office of the first substrate of one embodiment of the invention and the schematic top plan view of the second substrate and frontier district
Portion's enlarged diagram.Figure 1B is shown as the schematic top plan view of the display panel of one embodiment of the invention and the partial enlargement of frontier district
Schematic diagram.Figure 1A to Figure 1B for convenience of explanation and observation, only symbolically shows partial component, the quantity of practical upper member and
Size is not limited by attached drawing.Fig. 1 C is shown as Figure 1B along the diagrammatic cross-section of the display panel of hatching A-A '.It please refers to
Figure 1A, Figure 1B and Fig. 1 C, in this example it is shown that panel 10 (being illustrated in Figure 1B), including first substrate 110, the second substrate
120, multiple first connection pads 140 and multiple second connection pads 160 and a plurality of light-emitting elements 200.The second substrate 120 and first substrate
110 connect to define frontier district 12.Frontier district 12 includes that the first frontier district 12A is located at first substrate 110 and the second boundary
Area 12B is located at the second substrate 120.
In the present embodiment, as shown in Figure 1A, the first substrate 110 and the second substrate 120 being separated from each other can splice
At display panel 10 (being illustrated in Figure 1B).A plurality of light-emitting elements 200 are respectively arranged in first substrate 110 and the second substrate 120.
As shown in Figure 1B, first substrate 110 and the second substrate 120 can be spliced into display panel 10 side by side.First substrate 110 and second
Substrate 120 can define frontier district 12 in intersection.
Figure 1A and Figure 1B is please referred to, in the present embodiment, frontier district 12 includes the first frontier district separated by splicing line L
12A and the second boundary area 12B.For example, splicing line L is the boundary of first substrate 110 and the second substrate 120.In this implementation
In example, the first frontier district 12A of first substrate 110 is abutted to the second boundary area 12B of the second substrate 120.First substrate 110 with
The material of the second substrate 120 includes glass, quartz, organic polymer or other applicable materials, however, the present invention is not limited thereto.?
In other embodiments, the present invention optionally includes active member layer, has multiple thin film transistor (TFT)s (thin film
Transistor, TFT), passive element (passive device) or corresponding conducting wire (such as: scan line, data line or other similar letter
Number line), it is electrically connected to light-emitting component 200, but invention is not limited thereto.Thin film transistor (TFT) is, for example, low-temperature polysilicon film
Transistor (low temperature poly-Si, LTPS) or amorphous silicon film transistor (amorphous Si, a-Si), but
Invention is not limited thereto.
In the present embodiment, multiple first connection pads 140 are set on first substrate 110 and the with multiple second connection pads 160
On two substrates 120.For example, these first connection pads 140 of part are located at the first frontier district 12A's or the second boundary area 12B
One of them, and these partial first connection pads 140 are located at outside the first frontier district 12A or the second boundary area 12B.Partial these
Second connection pad 160 is located at the wherein another one of the first frontier district 12A or the second boundary area 12B, and these partial second connection pads
160 are located at outside the first frontier district 12A or the second boundary area 12B.The present embodiment is to be located at the first base with the first connection pad 140 of part
In first frontier district 12A of plate 110, and the second boundary area 12B that the second partial connection pad 160 is located at the second substrate 120 passes the imperial examinations at the provincial level
Example is illustrated, but invention is not limited thereto.
In the present embodiment, in corresponding second connection pad 160 setting of the first connection pad 140 outside frontier district 12.For example, more
A first connection pad 140 is electrically connected to each other, and to respectively correspond multiple second connection pads 160, and these second connection pads 160 are electrical each other
It is independent.Considering based on electric conductivity, the first connection pad 140 and the second connection pad 160 are usually to use metal material, but the present invention is unlimited
In this.In other embodiments, other conductive materials also can be used in the first connection pad 140 and the second connection pad 160, such as: alloy,
The nitride of metal material, the oxide of metal material, the nitrogen oxides of metal material or metal material and other conduction materials
The stack layer of material.
In the present embodiment, a plurality of light-emitting elements 200 are set on first substrate 110 and in the second substrate 200.These hairs
These first connection pads 140 and the second connection pad 160 are electrically connected in optical element 200.Light-emitting component 200 is, for example, light emitting diode
(light emitting diode, LED), including Organic Light Emitting Diode (organic light emitting diode,
OLED), micro-led (micro LED), secondary millimeter light emitting diode (mini LED) and two pole of quantum dot light emitting
It manages (quantum dot).The present embodiment is to be illustrated for micro-led, but invention is not limited thereto.
In the present embodiment, as shown in Figure 1A, Figure 1B and Fig. 1 C, each light-emitting component 200 includes 210 electricity of the first semiconductor layer
Property connection first electrode 212, the second semiconductor layer 220 be electrically connected second electrode 222 and luminescent layer 230 and be located at the first half and lead
Between body layer 210 and the second semiconductor layer 220.In the present embodiment, in the first semiconductor layer 210 and the second semiconductor layer 220
One of be n-type doping semiconductor, another one be p-type doped semiconductor.Luminescent layer 230 is, for example, single quantum well layers
(single quantum well, SQW) or multiple quantum trap layer (multiple quantum well, MQW), in some implementations
In example, the material of luminescent layer 230 is for example including gallium nitride (GaN), InGaN (InGaN), GaAs (GaAs), phosphatization gallium aluminium
The material of indium (AlGaInP), indium arsenide gallium aluminium (InAlGaAs) or other Group IIIAs and VA race element composition or other are suitable
Material, but invention is not limited thereto.
In the present embodiment, the first electrode 212 of light-emitting component 200 is electrically connected the first connection pad 140, and second electrode
222 are electrically connected the second connection pad 160.Under above-mentioned design, light-emitting component 200 is electrically connected to corresponding first connection pad 140
With the second connection pad, to receive corresponding voltage or signal.
It is worth noting that, in the present embodiment, due to being provided with first in the first frontier district 12A of first substrate 110
Connection pad 140 is provided with the second connection pad 160 in the second boundary area 12B of the second substrate 120, therefore extremely in the splicing of first substrate 110
After the second substrate 120, in the frontier district 12 that is defined comprising in the first frontier district 12A the first connection pad 140 and the second side
The second connection pad 160 in battery limit (BL) 12B.Whereby, spliced first substrate 110 has with the second substrate 120 in intersection multiple
Second connection pad 160 corresponds to the first connection pad 140.Under above-mentioned design, Figure 1A and Figure 1B is please referred to, multiple luminous members can be set
Part 200 is in the frontier district of display panel 10 12 and the first connection pad 140 and the second connection pad 160 is electrically connected.For example,
Light-emitting component 200 in frontier district 12 is connected to the second boundary area 12B from the first frontier district 12A.In other words, the first base
After the splicing to the second substrate 120 of plate 110, a plurality of light-emitting elements can be set along splicing line L extraly in frontier district 12
200, and these light-emitting components 200 be respectively and electrically connected to across splicing line L first substrate 110 the first connection pad 140 and
Second connection pad 160 of the second substrate 120.In this way, not connecting compared to the existing intersection appearance between neighbouring display panels
The display panel 10 of continuous display picture, the present embodiment can avoid display picture by the light-emitting component 200 being located in frontier district 12
The discontinuity in face simultaneously promotes display quality.
Figure 1A, Figure 1B and Fig. 1 C are please referred to, in this example it is shown that panel 10 further includes multiple adhesion coatings 300.These
Adhesion coating 300 is separated from each other to engage these light-emitting components 200 to first substrate 110 or the second substrate 120.For example, such as
Shown in Fig. 1 C, adhesion coating 300 be can be set between the first connection pad 140 and the second connection pad 160, and light-emitting component 200 is fixed to
First substrate 110 or the second substrate 120 are simultaneously electrically connected to the first connection pad 140 and the second connection pad 160.In some embodiments,
The lamination (not shown) of flexible substrate and adhesion coating is also optionally included between light-emitting component 200 and connection pad 140,160,
But invention is not limited thereto.
In addition, these adhesion coatings 300 in frontier district 12 can also be set to first substrate 110 and the second substrate 120
Intersection and/or splicing line L on and these adhesion coatings 300 be separated from each other.In this way, adhesion coating 300 is in addition to can be by light-emitting component
It is fixed in frontier district 12, the engaging force between first substrate 110 and the second substrate 120 can also be provided, promote display panel
10 reliability.In other embodiments, adhesion coating 300 may be located between first substrate 110 and the second substrate 120, with
Further promote the engaging force between first substrate 110 and the second substrate 120.
In short, the display panel due to the present embodiment can be in the frontier district that first substrate 110 and the second substrate 120 splice
First connection pad 140 and the second connection pad 160 are set in 12, and light-emitting component 200 can be electrically connected to the first of first substrate 110
Second connection pad 160 of connection pad 140 and the second substrate 120.Therefore, light-emitting component 200 can be in first substrate 110 and the second substrate
120 intersection provides display function, and then to avoid the discontinuity for showing picture and can promote display quality.
It should be noted that, following embodiments continue to use the element numbers and partial content of previous embodiment, wherein adopting herein
Be denoted by the same reference numerals identical or approximate element, illustrates can refer to about the part that same technique content is omitted aforementioned
Embodiment, it is no longer repeated in following embodiments.
Fig. 2 shows the partial enlargement diagrams of the frontier district of the display panel for another embodiment of the present invention.Please refer to figure
1B and Fig. 2, the display panel 10 of display panel 10A and Figure 1B of the present embodiment are similar, major difference is that: these adhesion coatings
300A further includes multiple interconnecting pieces 320.These interconnecting pieces 320 are set between these adhesion coatings 300A to connect corresponding adhesion
Layer 300A.Specifically, the structure that adhesion coating 300A and interconnecting piece 320 are visually integrated.In this way, adhesion can be promoted further
Engaging force between layer 300A and first substrate 110 or the second substrate 120 is to reduce the probability of peeling and promote reliability.Separately
Outside, the interconnecting piece 320 in frontier district 12 covers first substrate 110 and the second substrate 120.In other words, interconnecting piece 320 can
To be located at the intersection of first substrate 110 and the second substrate 120 to cover engagement first substrate 110 and the second substrate simultaneously.?
Under above-mentioned setting, interconnecting piece 320 can further provide the engaging force between first substrate 110 and the second substrate 120, to mention
Rise the reliability of display panel 10A.
Fig. 3 A is shown as the stereoscopic schematic diagram of the luminous connected structure of one embodiment of the invention.Fig. 3 B is shown as of the invention another
The schematic top plan view of the display panel of one embodiment and the partial enlargement diagram of frontier district, Fig. 3 B for convenience of explanation and see
It examines, partial component is only symbolically shown, the quantity and size of practical upper member is not limited by attached drawing.Fig. 3 C is shown as this
Diagrammatic cross-section of the invention figure 3B along the display panel of hatching B-B '.It please refer to Figure 1B and Fig. 3 B, the display of the present embodiment
Panel 10B is similar to the display panel 10 of Figure 1B, major difference is that: the present embodiment is replaced with the connected structure 400 that shines
The adhesion coating 300 and light-emitting component 200 being respectively formed.It in the foregoing embodiments, is to first pass through to be arranged in frontier district 12 to glue
Layer 300, then light-emitting component 200 is bonded on the first connection pad 140 and the second connection pad 160.It in the present embodiment, can be by pre-
The luminous connected structure 400 being initially formed is to replace the step of adhesion coating 300 and light-emitting component 200 is respectively set.Below will with
It is arranged for shining connected structure 400 in frontier district 12, is simply illustrated.
Fig. 3 A is please referred to, the connected structure 400 that shines is set to flexible substrate including flexible substrate 420, bonding layer 440
On 420 and a plurality of light-emitting elements 200 are located on bonding layer 440.In the present embodiment, the manufacturer of luminous connected structure 400
Method is, for example, that flexible substrate 420 is formed on interim support plate 410.Then, on flexible substrate 420 formed bonding layer 440,
Light-emitting component 200 is fixed on bonding layer 440 again.Then, flexible substrate 420 and bonding layer 440 are cut to divide
It is separated out multiple luminous connected structures 400.Finally, luminous connected structure 400 is isolated from interim support plate 410.In the present embodiment,
The material of flexible substrate 420 includes polyimide (polyimide, PI), but invention is not limited thereto.In the present embodiment
In, the connected structure 400 that shines is, for example, strip, to be set on substrate 110,120 in subsequent step along splicing line L,
But invention is not limited thereto.
Fig. 3 B and Fig. 3 C is please referred to, after the splicing to the second substrate 120 of first substrate 110, hair is set in frontier district 12
Light connected structure 400, first substrate 110 is fixed to the second substrate 120 simultaneously and light-emitting component 200 is set to boundary
In area 12.In the present embodiment, the connected structure 400 that shines is located in frontier district 12 and covers first substrate 110 and the second substrate
120.For example, the connected structure 400 that shines is set on the first substrate 110 and splicing line L of the second substrate 120 and connects simultaneously
Touch first substrate 110 and the second substrate 120.Under above-mentioned setting, since light-emitting component 200 can be transposed to flexible base in advance
Material 420, then be transposed on adhesion coating 300 by flexible substrate 420 to be bonded to substrate 110,120.It therefore, can be by once turning
It moves and a plurality of light-emitting elements 200 is set in processing procedure.In this way, can simplify processing procedure, manufacturing cost is saved.In addition, light-emitting component 200 can
Display function is provided in first substrate 110 and the intersection of the second substrate 120, and then can be to avoid the discontinuity of display picture
And promote display quality.
In some embodiments, the connected structure 400 that shines can be and be directly arranged in frontier district 12, but the present invention not with
This is limited.In some embodiments, adhesion coating 300 can also be first set in frontier district 12, then luminous connected structure 400 is arranged
In on adhesion coating 300, the engaging force to shine between connected structure 400 and substrate 110,120 is promoted with further.
Fig. 4 A is shown as the partial enlargement diagram of the display panel of another embodiment of the present invention, and Fig. 4 A is for convenience of explanation
And observation, partial component is only symbolically shown.Figure 1B and Fig. 4 A is please referred to, display panel 10 ' and Figure 1B's of the present embodiment
Display panel 10 is similar, major difference is that: display panel 10 ' includes multiple connecting wires 500, by light-emitting component 200
It is electrically connected to the first connection pad 140 and the second connection pad 160.Since in vertical view, connecting wire 500 can fully shine in covering
The first electrode and second electrode of element 200, therefore Fig. 4 A omission shows first electrode and second electrode.In the present embodiment,
First connection pad 140 is electrically connected to first electrode (as shown in Figure 4 B) respectively by multiple connecting wires 500 of display panel 10 ',
Or the second connection pad 160 is electrically connected to second electrode (as shown in Figure 4 B).Considering based on electric conductivity, connecting wire 500 1
As be using metal material, however, the present invention is not limited thereto.In other embodiments, connecting wire 500 also can be used other and lead
Electric material, such as: alloy, the nitride of metal material, the oxide of metal material, metal material nitrogen oxides or gold
Belong to the stack layer of material and other conductive materials.In this way, display panel 10 ' can obtain technology effect similar to the above embodiments
Fruit.
Fig. 4 B is shown as the partial enlargement diagram of the display panel of further embodiment of this invention, and Fig. 4 B is for convenience of explanation
And observation, partial component is only symbolically shown.Fig. 4 A and Fig. 4 B is please referred to, the display panel 10C's and Fig. 4 A of the present embodiment
Display panel 10 ' is similar, major difference is that: any two light-emitting components 200 extend to second from the first semiconductor layer 210
The axis of semiconductor layer 220 is parallel with the extending direction of splicing line L.Both in the present embodiment, appoint in a plurality of light-emitting elements 200
The axis for extending to the second semiconductor layer 220 from the first semiconductor layer 210 it is parallel to each other, but invention is not limited thereto.It is more
First connection pad 140 is electrically connected to first electrode 212 respectively by a connecting wire 500, and the second connection pad 160 is electrically connected
To second electrode 222.In this way, display panel 10C can obtain technical effect similar to the above embodiments.
Fig. 4 C is shown as the partial enlargement diagram of the display panel of yet another embodiment of the invention, and Fig. 4 C is for convenience of explanation
And observation, partial component is only symbolically shown.Fig. 4 A and Fig. 4 C is please referred to, the display panel 10D's and Fig. 4 A of the present embodiment
Display panel 10 ' is similar, major difference is that: appoint extending from the first semiconductor layer 210 for the two in a plurality of light-emitting elements 200
Axis to the second semiconductor layer 220 is interlaced with each other.In the present embodiment, the one of them in two light-emitting components 200 from
The axis that first semiconductor layer 210 extends to the second semiconductor layer 220 is parallel to splicing line L.Its in two light-emitting components 200
The axis for extending to the second semiconductor layer 220 from the first semiconductor layer 210 of middle another one is vertical and crisscrosses splicing line L, but
Invention is not limited thereto.In other embodiments, any one of them of these light-emitting components 200 from the first semiconductor layer
210 axis for extending to the second semiconductor layer 220 can also submit misspelled wiring L in any angle.In this way, display panel 10D
Technical effect similar to the above embodiments can be obtained.
Fig. 5 A is shown as the first substrate of another embodiment of the present invention and the schematic top plan view of the second substrate.Fig. 5 B is shown as
The partial enlargement diagram of the frontier district of the display panel of another embodiment of the present invention, Fig. 5 A and Fig. 5 B for convenience of explanation and see
It examines, partial component is only symbolically shown.It please refer to Figure 1B and Fig. 5 B, the of first the connection pad 140A and Figure 1B of the present embodiment
One connection pad 140 is similar, major difference is that: the first connection pad 140 compared to Figure 1B, the first connection pad 140A's of the present embodiment
Width is larger.The first connection pad 140A that part is located in frontier district 12 is respectively and electrically connected to the second connection pad in frontier district 12
160 and frontier district 12 outside the second connection pad 160.For example, as shown in Figure 5A, splice in first substrate 110 to the second substrate
Before 120, the first connection pad 140A in the first frontier district 12A is extended to outside the outer and corresponding first frontier district 12A of the first frontier district 12A
The second connection pad 160.What the first connection pad 140A can be electrically connected to outside the first frontier district 12A by light-emitting component 200 second connects
Pad 160.
After the splicing of first substrate 110 is to the second substrate 120, the first connection pad for being partially located in the first frontier district 12A
140A can correspond to the second connection pad 160 in the second boundary area 12B, by the light-emitting component 200 that is set in frontier district 12 by
The first connection pad 140A in one frontier district 12A is electrically connected to the second connection pad 160 in the second boundary area 12B.It is set in above-mentioned
It sets down, the light-emitting component 200 in frontier district 12 and the light-emitting component 200 outside frontier district 12 can be made to share the first connection pad
140A.In this way, the nargin of setting connection pad can be increased, and it can simplify processing procedure, save manufacturing cost.
Fig. 6 is shown as the schematic top plan view of the display panel of one embodiment of the invention.Referring to FIG. 6, in the present embodiment
Multiple first substrates 110 and the second substrate 120 can be spliced into display panel 10F with any amount and direction.For example, multiple
First substrate 110 and the second substrate 120 can be spliced in either direction or on any side to define frontier district 12.?
In the present embodiment, a plurality of light-emitting elements 200 are to be set in first substrate 110 and the second substrate 120 with array manner and side
In battery limit (BL) 12.In this way, occurring compared to intersection of the existing tiled display panel between neighbouring display panels discontinuous
Show that picture, the display panel 10F of the present embodiment can avoid showing by the way that a plurality of light-emitting elements 200 are arranged in frontier district 12
The discontinuity of picture simultaneously promotes display quality.In addition, the first connection pad and the second connection pad is arranged in the present embodiment in frontier district 12
The mode of (not shown) can also be such that first substrate 110 is spliced with the second substrate 120 in any long side or short side, without
It is limited to the direction of substrate 110,120 or light-emitting component 200.Under above-mentioned setting, the shape of display panel 10F can be according to using
The demand of person is spliced into arbitrary shape, promotes the nargin of splicing.The external form of the display panel 10F of the present embodiment include rectangle,
Rectangle, polygonal or irregular shape, but invention is not limited thereto.
In conclusion the display panel of one embodiment of the invention, due to can be on the side of first substrate and the second substrate splicing
First connection pad and the second connection pad are set in battery limit (BL), and light-emitting component can be electrically connected to the first connection pad and second of first substrate
Second connection pad of substrate.Therefore, light-emitting component can provide display function, Jin Erke in first substrate and the intersection of the second substrate
To avoid the discontinuity for showing picture and promote display quality.In addition, adhesion coating is in addition to that can provide light-emitting component and substrate
Between engaging force, the engaging force between first substrate and the second substrate can also be provided, further to promote display panel
Reliability.In addition, the mode of the first connection pad and the setting of the second connection pad, the nargin in addition to that can promote connection pad setting, can also make
First substrate and the second substrate are spliced in either direction or on any side, further promote the nargin of splicing.
Although the present invention is disclosed as above with embodiment, however, it is not to limit the invention, any technical field
Middle technical staff, without departing from the spirit and scope of the present invention, when can make a little variation and retouching, therefore protection of the invention
Range is subject to view as defined in claim.
Claims (10)
1. a kind of display panel, comprising:
One first substrate；
One the second substrate connects with the first substrate, and to define a frontier district, which includes that one first frontier district is located at
The first substrate and a second boundary area are located at the second substrate；
Multiple first connection pads and multiple second connection pads are set on the first substrate and in the second substrate, part it is the multiple
First connection pad is located at first frontier district or the one of them in the second boundary area, and the multiple second connection pad of part is located at should
The wherein another one of first frontier district or the second boundary area；And a plurality of light-emitting elements are set on the first substrate, this
On two substrates and in the frontier district, the multiple light-emitting component be electrically connected the multiple first connection pad with it is the multiple
Second connection pad, each light-emitting component include:
One first semiconductor layer is electrically connected a first electrode；
One second semiconductor layer is electrically connected a second electrode；And
One luminescent layer is located between first semiconductor layer and second semiconductor layer,
Wherein in the frontier district, the multiple light-emitting component is connected to the second boundary area from first frontier district,
Wherein the first electrode is electrically connected first connection pad, and the second electrode is electrically connected second connection pad.
2. display panel as described in claim 1, wherein the multiple first connection pad is located at first frontier district, it is the multiple
Second connection pad is located at the second boundary area.
3. display panel as described in claim 1, wherein the multiple first connection pad is electrically connected to each other, the multiple second
Connection pad is electrically independent each other.
4. display panel as described in claim 1 further includes multiple adhesion coatings, the multiple adhesion coating engages the multiple hair
Optical element is to the first substrate or the second substrate.
5. display panel as claimed in claim 4, wherein the multiple adhesion coating being located in the frontier district is separated from each other.
6. display panel as claimed in claim 4, wherein the multiple adhesion coating further includes multiple interconnecting pieces, it should wherein being located at
The multiple interconnecting piece in frontier district covers the first substrate and the second substrate.
7. display panel as described in claim 1, further include a luminous connected structure be located in the frontier district cover this first
Substrate and the second substrate, the connected structure that shines include:
One flexible substrate；
One bonding layer is set on the flexible substrate；And
The multiple light-emitting component is located on the bonding layer.
8. display panel as described in claim 1 further includes that first connection pad is electrically connected to by multiple connecting wires respectively
The first electrode, or second connection pad is electrically connected to the second electrode.
9. display panel as described in claim 1, wherein both appoint in the multiple light-emitting component from first semiconductor
Layer extend to second semiconductor layer axis it is parallel to each other or staggeredly.
10. display panel as described in claim 1, part is located at the multiple first connection pad difference in the frontier district
The multiple second connection pad being electrically connected in the frontier district and the multiple second connection pad outside the frontier district.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862659662P | 2018-04-18 | 2018-04-18 | |
| US62/659,662 | 2018-04-18 | ||
| TW107135453 | 2018-10-08 | ||
| TW107135453A TWI717642B (en) | 2018-04-18 | 2018-10-08 | Display panel |
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| Publication Number | Publication Date |
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| CN109935613A true CN109935613A (en) | 2019-06-25 |
| CN109935613B CN109935613B (en) | 2022-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910272142.6A Active CN109935613B (en) | 2018-04-18 | 2019-04-04 | Display panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI780709B (en) * | 2021-05-17 | 2022-10-11 | 友達光電股份有限公司 | Spliced display apparatus |
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| JP2007192977A (en) * | 2006-01-18 | 2007-08-02 | Seiko Epson Corp | Tiling display |
| FR2982989B1 (en) * | 2011-11-18 | 2013-11-15 | Thales Sa | ACTIVE SCREEN JUXTAPOSITION DEVICE AND ASSOCIATED VIEWING SYSTEM |
| CN105453159A (en) * | 2013-07-16 | 2016-03-30 | 谷歌公司 | Bezel pixel layer in multi-panel display |
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