TWI699884B - Tiled display - Google Patents

Abstract

A tiled display includes at least two display panels and a mechanical piece. Each display panel is provided with a data line and a scan line. The mechanical piece bears at least two display panels and changes the position of at least two display panels between the first relative position and the second relative position. Wherein, in the first relative position, at least two panels are tiled with each other and the data line or scan line corresponding to each display panel are electrically connected with each other. In the second relative position, at least two panels are separated from each other and the data line or scan line corresponding to each display panel are electrically insulated from each other.

Description

Spliced display

The invention relates to a display, in particular to a spliced display.

Generally speaking, a flexible display usually uses a flexible substrate to make it bendable, flexible, and rollable. Therefore, the flexible display can be bent or folded by a user. However, the flexible substrate has a fixed Young's modulus according to its material properties. If the bending force exceeds the Young's modulus, the flexible display panel cannot be restored to its original flat appearance; that is, if the flexible display is excessively bent Since the flexible display cannot withstand excessive bending, it is damaged or cannot be restored to a flat state. How to solve the aforementioned crux has become a problem to be solved.

In summary, the inventor of the present invention thought about and designed a spliced display, in order to improve the deficiency of the conventional technology, and further enhance the industrial application.

In view of the above-mentioned conventional problems, the purpose of the present invention is to provide a spliced display to solve the problems faced by the conventional technology.

Based on the above objective, the present invention provides a spliced display, which includes at least two display panels and mechanical components. Each display panel has data lines or scan lines. The mechanism component carries at least two display panels, and the mechanism component makes the at least two display panels in a first relative position state and a second relative position state Change between. Wherein, in the first relative position state, at least two display panels are joined to each other, and the data lines or scan lines corresponding to each display panel are electrically connected to each other; in the second relative position state, at least two display panels are connected to each other The data lines or scan lines corresponding to each display panel are electrically isolated from each other. Through the aforementioned mechanism, the data lines or scan lines corresponding to the display panels are electrically connected to each other, so that the display panels are electrically connected to each other, and there is no problem of the flexible display panel being damaged due to excessive bending.

Preferably, the edge of each display panel has a connecting portion, and each connecting portion is arranged correspondingly to fit each other.

Preferably, at least one of the connecting portions and each data line or scan line are in the same film layer.

Preferably, at least one of the connecting portions and each data line or scan line are in different film layers.

Preferably, each connecting portion has a stepped structure. The stepped structure is formed by an insulating layer and another insulating layer that is relatively protruding from the insulating layer, and the data line or scan line is arranged between the insulating layer and the other insulating layer and extends To the surface of another insulating layer.

Preferably, each connecting portion has a metal conductive layer or a conductive adhesive layer, the metal conductive layer or conductive adhesive layer covers the data line or the scan line, and in the first relative position state, the data line or the scan line is conductive by metal The layers or conductive adhesive layers are electrically connected to each other.

Preferably, the metal conductive layer is the same film layer as the anode or cathode of the light-emitting element of the display panel.

Preferably, each connecting portion has a convex structure and a concave structure, and the data line or the scan line It is arranged between the convex structure and the concave structure, and extends to the surface of the convex structure.

Preferably, the convex structure has a metal conductive layer or a conductive adhesive layer, the metal conductive layer or the conductive adhesive layer covers the data line or the scan line, and in the first relative position state, the data line or the scan line is conductive by metal The layers or conductive adhesive layers are electrically connected to each other.

Preferably, the metal conductive layer is the same film layer as the anode or cathode of the light-emitting element of the display panel.

Preferably, each display panel further includes a touch sensor, and each touch sensor has a touch connection portion, and each touch connection portion is correspondingly arranged to fit with each other.

Preferably, the touch connection parts corresponding to each touch sensor are connected to each other to share a driver of one of the two touch sensors.

Preferably, each display panel further includes a lateral water blocking layer to laterally seal each display panel, thereby laterally blocking moisture or impurities from entering the light-emitting elements of the display panel.

Preferably, in the first relative position state, the data lines corresponding to each display panel are connected to each other to share the data line driver of one of the at least two display panels.

Preferably, in the first relative position state, the scan lines corresponding to each display panel are connected to each other to share the scan line driver of one of the at least two display panels.

As mentioned above, in the spliced display of the present invention, the display panels are connected to each other through mechanical components, the data lines or scan lines corresponding to each display panel are electrically connected to each other, and the display panels are thus electrically connected to each other without There may be a problem of damage to the flexible display panel due to excessive bending.

10: Mechanical parts

11: shaft

20: Connection part

21: Metal conductive layer

22: conductive adhesive layer

23: Lateral water blocking layer

A: The first display panel

A1: The third display panel

A2: Fifth display panel

Anode: anode

B: Second display panel

B1: The fourth display panel

B2: The sixth display panel

Buffer: buffer layer

C: Seventh display panel

C1: Eighth display panel

C2: Ninth display panel

Cathode: Cathode

CCS: concave structure

CVS: Convex structure

D: Dip pole

DL: Data line

Data Driver 1, Data Driver 2, Data Driver 3: Data Line Driver

G: Gate

Gate Driver 1, Gate Driver 2, Gate Driver 3, Gate Driver 4, Gate Driver 7: Scan line driver

GI1, GI2, ILD, IL1, IL2, IOBP1, IOBP2: insulating layer

M1, M2: Metal layer

OLED: organic light emitting diode

PDL: Pixel Definition Layer

PF: Protective film

PI: Substrate

PL: Flat layer

PS: Clearance column

Rx Driver 1, Rx Driver 2: Receiver driver

S: source

SL: scan line

SS: Step structure

S11~S13: steps

TC: Touch connection part

TFE: thin film encapsulation layer

TPA, TPB: touch sensor

Tx Driver 1, Tx Driver 2: Transmission end driver

T1, T2: Transistor

VDD: high voltage terminal

VSS: low voltage side

Figure 1 is a schematic diagram of the structure of an organic light emitting diode display.

Figure 2 is a schematic diagram of the control circuit of the organic light emitting diode.

FIG. 3 is a schematic structural diagram of the first embodiment of the spliced display of the present invention.

Figure 4a is a schematic diagram of the first embodiment of the spliced display of the present invention at the first relative position.

Fig. 4b is a schematic diagram of the first embodiment of the spliced display of the present invention at the second relative position.

FIG. 5 is a schematic structural diagram of the second embodiment of the spliced display of the present invention.

FIG. 6 is a schematic diagram of the structure of the third embodiment of the spliced display of the present invention.

FIG. 7 is a schematic structural diagram of the fourth embodiment of the spliced display of the present invention.

Figure 8 is a flow chart of the spliced display of the present invention.

FIG. 9 is a schematic diagram of the first aspect of the splicing panel of the splicing display of the present invention.

FIG. 10 is a schematic diagram of the second aspect of the spliced panel of the spliced display of the present invention.

FIG. 11 is a schematic diagram of the third aspect of the spliced panel of the spliced display of the present invention.

FIG. 12 is a schematic diagram of the fourth aspect of the splicing panel of the splicing display of the present invention.

FIG. 13 is a schematic diagram of the fifth aspect of the spliced panel of the spliced display of the present invention.

Figures 14 and 15 are schematic views of the structure of the fifth embodiment of the spliced display of the present invention.

FIG. 16 is a schematic diagram of the sixth aspect of the spliced panel of the spliced display of the present invention.

The advantages, features, and technical methods of the present invention will be described in more detail with reference to the exemplary embodiments and the accompanying drawings for easier understanding, and the present invention can be implemented in different forms, so It should not be understood to be limited to the embodiments set forth herein. On the contrary, for those with ordinary knowledge in the technical field, the provided embodiments will make this disclosure more thorough, comprehensive and complete to convey the scope of the present invention, and The present invention will only be defined by the scope of the appended patent application.

It should be understood that although the terms "first", "second", etc. can be used to describe various elements, components, regions, layers and/or parts in the present invention, these elements, components, regions, layers and/or parts Should not be restricted by these terms. These terms are only used to distinguish one element, component, region, layer and/or section from another element, component, region, layer and/or section. Therefore, the “first element”, “first part”, “first area”, “first layer” and/or “first part” discussed below can be referred to as “second element”, “second part” , "Second Area", "Second Layer" and/or "Second Part" without departing from the spirit and teachings of the present invention.

In addition, the terms "including" and/or "including" refer to the existence of the features, regions, wholes, steps, operations, elements and/or components, but do not exclude one or more other features, regions, wholes, steps, operations , The presence or addition of elements, components, and/or combinations thereof.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present invention have the same meanings as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. It will be further understood that terms such as those defined in commonly used dictionaries should be interpreted as having definitions consistent with their meanings in the context of related technologies and the present invention, and will not be interpreted as idealized or overly formal Unless explicitly defined as such in this article.

Please refer to Figure 1 and Figure 2, which are a schematic diagram of the structure of an organic light emitting diode display and a schematic diagram of the control circuit of the organic light emitting diode, respectively. As shown in Figure 1, the organic light emitting diode display includes a substrate PI, a buffer layer Buffer, insulating layers GI and GI2, insulating layers IL1, IL2, and ILD, with drain D, gate G, source S, and doped Polysilicon Poly transistor composed of miscellaneous regions, planarization layer PL, Anode, organic light-emitting diode OLED, cathode Cathode, pixel definition layer PDL, gap pillar PS, thin film encapsulation layer TFE and protective film PF. For example, the position sequence of the buffer layer Buffer to the insulating layer IL2 is from the buffer layer Buffer to the upper layer. The transistor is located between the buffer layer Buffer and the insulating layer IL2. The transistor has a drain D, a gate G, and a source. The electrode S and the polysilicon Poly composed of doped regions, M1 and M2 are the metal layers of the gate G, source S, and drain D respectively. The gate G is connected to the scan line SL, and the source S is connected to the data line DL Connected, and in this embodiment, the source S and the data line DL are directly connected to the same film layer. It should be noted that the cross-section in the first figure is not the same cross-section, but is a schematic side view of the structure with some components omitted. For example, the scan line SL and the signal line DL in the figure are not in the same cross-section, such as Can be located in front and rear profiles. The transistor is, for example, p-type or n-type, and the transistor may include thin film transistor (TFT), bottom-gate transistor, top-gate transistor, three-dimensional The vertical TFT of the formula, of course, can also be other suitable transistors, and is not limited to the scope of the present invention; the flattening layer PL is disposed on the insulating layer IL2 to flatten the surface of the insulating layer IL2, and the pixel definition The layer PDL and the organic light emitting diode OLED are respectively located on the flat layer PL, and the pixel definition layer PDL defines the display area of the organic light emitting diode OLED; the anode Anode and the drain D of the organic light emitting diode OLED are electrically connected to Let the transistor control, the cathode Cathode of the organic light-emitting diode OLED is arranged on the organic light-emitting diode OLED, the gap column PS is arranged at intervals between the cathode cathode of the organic light-emitting diode OLED and the pixel definition layer PDL, and the thin film encapsulation The layer TFE is disposed on the cathode Cathode of the organic light-emitting diode OLED. The thin-film encapsulation layer TFE can be, for example, a film layer including an organic layer and an inorganic layer stack. The inorganic layer can block moisture and impurities from entering the organic light-emitting diode OLED, and The organic layer may cover the uneven surface of the inorganic layer to flatten the surface of the inorganic layer, and the protective film PF is disposed on the thin film encapsulation layer TFE to protect the organic light emitting diode display from damage.

As shown in Figure 2, a single organic light emitting diode OLED is controlled by two transistors T1 and T2. Among them, the gate G of the transistor T1 is connected to the scan line SL, the source S of the transistor T1 is connected to the data line DL, the drain D of the transistor T1 is connected to the gate G of the transistor T2, and the drain D of the transistor T2 is connected One end of the organic light emitting diode OLED, the source S of the transistor T2 is connected to the high voltage terminal VDD, and the other end of the organic light emitting diode OLED is connected to the low voltage terminal VSS. Through the aforementioned circuit configuration, the organic light emitting diode OLED can emit light according to the control of the scan line SL and the data line DL.

The foregoing paragraphs only state the composition of the organic light-emitting diode display for the convenience of the following paragraphs. Of course, the film or control circuit of the light-emitting diode display can also be adjusted according to actual needs, and is not limited to the present invention. Enumerated range. For example, the present invention is not limited to organic light-emitting diode displays. In other embodiments, it may be inorganic light-emitting diode displays, quantum dot light-emitting displays, etc., which will not be repeated here. For example, the present invention is not limited to 2T1C control circuits. In other embodiments, for example, 3T1C architecture, 3T2C architecture, 4T1C architecture, 4T2C architecture, 5T1C architecture, 5T2C architecture, 6T1C architecture, The architecture of 6T2C, 7T2C, etc. will not be repeated here.

Please refer to FIG. 3, FIG. 4a and FIG. 4b, which are the structural schematic diagrams of the first embodiment of the spliced display of the present invention, respectively, are the schematic diagrams of the first embodiment of the spliced display of the present invention in the first relative position and the present invention. A schematic diagram of the first embodiment of the spliced display of the invention in the second relative position. As shown in Figure 3, Figure 4a, and Figure 4b, the organic light emitting diode display is divided into a first display panel A and a second display panel B. Both the first display panel A and the second display panel B have connections Section 20, step structure SS, data line DL and scan line SL. In detail, one connecting portion 20 is disposed on the edge of the first display panel A to be joined to the second display panel B, and the other connecting portion 20 is disposed on the edge of the second display panel B to be joined to the first display panel A , Through the corresponding setting of the connecting part 20, the first A display panel A and a second display panel B are electrically connected to each other. Each connection portion 20 may have a metal conductive layer 21 or a conductive adhesive layer (not shown) to cover the data line DL or the scan line SL and be electrically connected to it. In this embodiment, the scan line SL of the first display panel A has a connection portion 20 and the connection portion 20 has a metal conductive layer 21, and is electrically connected to the connection portion 20 of the scan line SL of the second display panel B. The metal conductive layer 21 may be formed by a film layer serving as the cathode cathode of the organic light emitting diode OLED, that is, the metal conductive layer 21 and the cathode cathode of the organic light emitting diode OLED belong to the same film layer. Specifically, the step structure SS is formed by the insulating layer IL1, and the connecting portion 20 of the first display panel A is located between the insulating layer ILD and IL1. The connecting portion 20 of the second display panel B is located between the insulating layers IL2 and IL1, thus forming a step structure SS. That is, the connecting portion 20 of the first display panel A is disposed on the level difference structure SS, and similarly, the connecting portion 20 of the second display panel B is disposed on the level difference structure SS. Also, the scan line SL of the first display panel A is located between the insulating layer ILD and IL1, the scan line SL of the first display panel A extends on the surface of the insulating layer ILD, and the scan line SL of the second display panel B is located on the insulating layer IL1 Between IL2 and IL2 and extending on the surface of the insulating layer IL1, the scan line SL of the first display panel A is covered by the metal conductive layer 21. The connecting portions 20 of the first display panel A and the second display panel B are correspondingly arranged and fit with each other. In other words, in this embodiment, the connecting portion 20 of the first display panel A and its data line DL or scan line SL are in different layers, and the connecting portion 20 of the second display panel B and its scan line SL are in different layers. Floor.

In one embodiment, the first display panel A and the second display panel B can be moved between the first relative position state (as shown in Figure 4a) and the second relative position state (as shown in Figure 4b) through the shaft 11 of the mechanical component 10 Between changes. Wherein, in the first relative position state, the first display panel A is spliced with the second display panel B through the shaft 11 of the mechanism 10 as shown in Figure 4a, so that the first display panel A and the second display panel B are The data lines DL or the scan lines SL are electrically connected to each other through the metal conductive layer 21 or the conductive adhesive layer; in the second relative position state, the first display panel A is connected through the rotating shaft 11 of the mechanical component 10 as shown in FIG. 4b The second display panel B is separated so that the data lines DL or scan lines SL of the first display panel A and the second display panel B are electrically connected to each other Sexual isolation. Although the scan line SL of the first display panel A and the second display panel B should be connected as shown in Fig. 3, the data line DL of the first display panel A and the second display panel B can also be connected without limitation. Within the scope of the present invention.

In one embodiment, the connecting portion 20 of the first display panel A or the second display panel B and each data line DL or scan line SL are in the same film layer. In another embodiment, the connecting portion 20 of the first display panel A or the second display panel B and each data line DL or scan line SL are in different layers. That is, one of the connecting portions 20 of the first display panel A or the second display panel B and the data line or the scan line are in the same film layer. In another embodiment, one of the connecting portions 20 of the first display panel A or the second display panel B and each of the data lines or the scan lines are in different layers. Of course, the positions of the connecting portions 20 can be adjusted according to actual needs, and are not limited to the scope of the present invention.

Please refer to FIG. 5, which is a schematic structural diagram of the second embodiment of the spliced display of the present invention. As shown in Figure 5, the organic light emitting diode display is divided into a first display panel A and a second display panel B. Both the first display panel A and the second display panel B have a connecting portion 20, a concave structure CCS, and a convex Part structure CVS, data line DL and scan line SL (not labeled). In detail, one connecting portion 20 is disposed on the edge of the first display panel A to be joined to the second display panel B, and the other connecting portion 20 is disposed on the edge of the second display panel B to be joined to the first display panel A , Through the corresponding arrangement of the connecting portion 20, the first display panel A and the second display panel B are electrically connected to each other. Specifically, the connecting portion 20 of the first display panel A and the second display panel B has a concave structure CCS and a convex structure CVS, and the data line DL of the first display panel A is located between the concave structure CCS and the convex structure CVS And extending to the surface of the convex structure CVS, the convex structure CVS of the first display panel A has a metal conductive layer 21 and it covers the data line DL. In this embodiment, the metal conductive layer 21 of the first display panel A can be used as The film layer of the cathode of the organic light emitting diode OLED is formed by the film layer of the metal conductive layer 21 and the cathode of the organic light emitting diode OLED The cathode belongs to the same film, but not limited to this. Similarly, the data line DL of the second display panel B is located between the concave structure CCS and the convex structure CVS and extends to the surface of the convex structure CVS. The convex structure CVS of the second display panel B has a metal conductive layer 21 and its Covering the data line DL, in this embodiment, the metal conductive layer 21 of the second display panel B can be formed by the film layer as the anode of the organic light emitting diode OLED, namely the metal conductive layer 21 and the organic light emitting diode OLED The anode belongs to the same film layer, but it is not limited to this. Generally speaking, the material of the anode can include indium tin oxide (ITO), which is more resistant to scratches, so that the yield and durability are better.

In addition, since the data lines DL of the first display panel A and the second display panel B need to be connected to each other, the source S of the second display panel B needs to be extended to form a metal layer M3, so that the first display panel A and the second display panel A The display panels B are electrically connected to each other; the connecting portion 20 of the second display panel B can also be made of the anode Anode of the organic light emitting diode OLED. The material of the anode Anode of the organic light emitting diode OLED includes indium tin oxide (ITO), oxide Zinc (ZnO), aluminum oxide gallium indium tin (AlGaInSnO), aluminum oxide zinc (AZO), tin oxide (SnO ₂ ), indium oxide (In ₂ O ₃ ), zinc tin oxide (SnZnO) or graphene (Graphene), Of course, it can also be other materials, and is not limited to the scope of the present invention.

Similarly, referring to FIG. 4a and FIG. 4b, the first display panel A and the second display panel B are switched between the first relative position state and the second relative position state through the rotating shaft 11 of the mechanism 10. In the first relative position state, the first display panel A is spliced with the second display panel B through the shaft 11 of the mechanism 10, so that the data lines DL of the first display panel A and the second display panel B pass through the metal conductive layer 21 Are electrically connected to each other; in the second relative position state, the first display panel A is separated from the second display panel B through the shaft 11 of the mechanism 10, so that the data lines of the first display panel A and the second display panel B The DL series are electrically isolated from each other. Although it should be the data line of the first display panel A and the second display panel B as shown in Figure 5 DL is connected, but can also be connected to the scan line SL of the first display panel A and the second display panel B, and is not limited to the scope of the present invention.

Please refer to FIG. 6, which is a schematic structural diagram of the third embodiment of the spliced display of the present invention. As shown in FIG. 6, the difference between the third embodiment of the present invention and the second embodiment is that it further includes a conductive adhesive layer 22, and the description of other same elements will not be repeated here. In an embodiment, as shown in FIG. 6, the conductive adhesive layer 22 may be disposed under the metal conductive layer 21 of the second display panel B. In another embodiment, the conductive adhesive layer 22 may be disposed on the metal conductive layer 21 of the first display panel A. Of course, the position of the conductive adhesive layer 22 can be adjusted according to actual needs, and is not limited to the scope of the present invention.

Please refer to FIG. 7, which is a structural diagram of the fourth embodiment of the spliced display of the present invention. As shown in FIG. 7, the difference between the fourth embodiment of the present invention and the second embodiment is the lateral water blocking layer 23, and the description of the other same elements will not be repeated here. Wherein, the lateral water blocking layer 23 is provided on the edges of the first display panel A and the second display panel B where the connecting portion 20 is provided to seal the first display panel A and the second display panel B and block lateral moisture And impurities enter the organic light-emitting diode OLED.

It should be noted that the first display panel A and the second display panel B in FIG. 3, FIG. 5 to FIG. 7 are different cross-sections, and they are only for illustrating the first display panel A and the second display panel B. Represented by splicing.

Please refer to FIG. 8, which is a flow chart of making a spliced display according to an embodiment of the present invention. As shown in Figure 8, the manufacturing method of the spliced display of the present invention is as follows: (1) Step S11: Provide a first display panel A and a second display panel B, and both the first display panel A and the second display panel B have The scan line SL and the data line DL are formed on the first display panel A and the second display panel B respectively to form a metal conductive layer 21 as the connection portion 20. (2) Step S12: forming a protective film PF on the first display panel A, but the protective film PF does not cover the metal conductive layer 21 of the first display panel A, thereby forming a concave structure CCS and a convex structure CVS; A protective film PF is formed on the second display panel B, and the protective film PF covers the second display panel B. (3) Step S13: laterally deposit a lateral water blocking layer 23 on the edge of the first display panel A where the metal conductive layer 21 is provided, and deposit the lateral water blocking layer 23 on the side of the protective film PF adjacent to the metal conductive layer 21 In this embodiment, the material of the light-cured lateral water-blocking layer 23 is used, so the lateral water-blocking layer 23 is hardened by illumination, but the metal conductive layer 21 of the first display panel A is not provided with the lateral water-blocking layer 23 Cover; etch the second display panel B through exposure and development to expose the metal conductive layer 21 to the outside to form a concave structure CCS and a convex structure CVS, followed by lateral deposition of a lateral water blocking layer 23 on the second display panel B The edge of the metal conductive layer 21 and the side of the protective film PF adjacent to the metal conductive layer 21 are arranged, and the lateral water blocking layer 23 is hardened by illumination, but the metal conductive layer 21 of the second display panel B is not laterally water blocking Layer 23 covers. (4) Step S14: the first display panel A and the second display panel B are electrically connected to each other through the metal conductive layer 21. It should be noted that appropriate materials can be selected for the lateral water blocking layer 23 according to requirements. In this embodiment, light-curing materials are used, but not limited to this. In other embodiments, heat-curing materials or heat-added light can also be selected. The cured material can also be deposited directly.

It should be noted that the substrate PI may include, for example, a glass substrate, a quartz substrate, a substrate formed of a polymer resin, or a flexible substrate formed of a flexible material such as polyimide. The material of the polymer resin may include polyethersulfone (PES), polyacrylate (PA), polyarylate (PAT), polyetherimide (PEI), poly 2,6 naphthalene Polyethylene naphthalate (PEN), polyethylene terephthalate (PET), polyphenylene sulfide (PPS), polyallylate (polyallylate), and poly(ethylene terephthalate) polyimide (PI), polycarbonate (PC), cellulose triacetate (CAT or TAC), cellulose acetate propionate (CAP), and combinations thereof; buffer layer The materials for the gate insulating layers GI and GI2, the insulating layers IL1 and IL2, the drain insulating layer ILD, the pixel defining layer PDL, the inorganic layer, and the protective film PF may include, for example, silicon oxide (SiO _x ), silicon nitride (SiN _x ), silicon oxynitride (SiON), silicon carbonitride (SiCN), silicon oxycarbide (SiOC) or aluminum oxide (AlO _x ) and combinations thereof; the material of the spacer PS can be, for example, a positive photoresist or a negative photoresist material The material of the organic layer and the lateral water blocking layer 23 may include, for example, benzocyclobutene, polyimide, polyamide, acrylic resin or phenolic resin and combinations thereof; cathode Cathode, anode Anode, source The materials of S, gate G, and drain D may include, for example, indium (In), tin (Sn), aluminum (Al), gold (Au), platinum (Pt), indium (In), zinc (Zn), germanium (Ge), silver (Ag), lead (Pb), palladium (Pd), copper (Cu), gold beryllium (AuBe), germanium beryllium (BeGe), nickel (Ni), lead tin (PbSn), At least one of chromium (Cr), gold zinc (AuZn), titanium (Ti), tungsten (W), and titanium tungsten (TiW); the light emitted by the organic light-emitting diode OLED can be red light, Blue or green light; for example, the transistor may be a transistor with polysilicon as the main material, or the transistor may be a transistor with a transparent conductive material as the main material, the transparent conductive material may include indium tin oxide (ITO), zinc oxide (ZnO) , Aluminum gallium indium tin oxide (AlGaInSnO), aluminum oxide zinc (AZO), tin oxide (SnO ₂ ), indium oxide (In ₂ O ₃ ), zinc tin oxide (SnZnO) or graphene (Graphene). The aforementioned materials are merely examples, and of course other preferred materials can be used, and are not limited to the scope of the present invention.

In addition, the organic light emitting diode OLED, the organic layer, the lateral water blocking layer 23 and the gap pillar PS can be formed by evaporation or spin coating; the buffer layer Buffer, the gate insulating layer GI and GI2, insulating layers IL1 and IL2, drain insulating layer ILD, pixel defining layer PDL, inorganic layer, and protective film PF can be through chemical vapor deposition (CVD), molecular beam epitaxy (MBE) , Atomic layer deposition (ALD) or sputtering (Sputtering) method; transistors can be formed through ion distribution. Of course, other preferred forming methods are also possible, and are not limited to the scope of the present invention.

Please refer to FIG. 9, FIG. 10 and FIG. 11, which are schematic diagrams of the first aspect, the second aspect, and the third aspect of the splicing panel of the spliced display of the present invention, respectively. First of all, first The data line driver of display panel A is marked as Data Driver 1 and its scan line driver is marked as Gate Driver 1. The data line driver of second display panel B is marked as Data Driver 2 and its scan line driver may or may not include Gate Driver 2 (Unlabeled). In one mode, the first display panel A and the second display panel B can be operated independently, that is, each includes their own data line driver and scan line driver. At this time, the first display panel A can be operated through the data line driver Data Driver 1 and The scan line driver Gate Driver 1 controls the operation of the transistor of each pixel P. The second display panel B can control the power of each pixel P through the data line driver Data Driver 2 and the scan line driver Gate Driver 2. The operation of the crystal.

In one embodiment, when the scan lines SL or the data lines DL of the first display panel A and the second display panel B are electrically connected to each other, the second display panel B and the first display panel A can be as shown in FIG. 9 The scan line driver Gate Driver 1 of the first display panel A is shared. That is, the scan line SL of the second display panel B is controlled by the scan line driver Gate Driver 1 of the first display panel A. In another embodiment, when the scan lines SL or the data lines DL of the first display panel A and the second display panel B are electrically connected to each other, the second display panel B and the first display panel A can be as shown in FIG. 10 Shows the data line driver Data Driver 1 and the scan line driver Gate Driver 1 sharing the first display panel A. That is, the data line DL of the second display panel B is controlled by the data line driver Data Driver 1 of the first display panel A, and the scan line SL of the second display panel B is controlled by the scan line driver Gate Driver 1 of the first display panel A. Controlled. In another embodiment, when the scan lines SL or the data lines DL of the first display panel A and the second display panel B are electrically connected to each other, the second display panel B and the first display panel A are as shown in FIG. 11 Share the data line driver Data Driver 1 of the first display panel A. That is, the data line DL of the second display panel B is controlled by the data line driver Data Driver 1 of the first display panel A. It should be noted that if you start the design phase, you can confirm The display is a spliced display, and there is no need to operate each panel independently, and the data line driver or scan line driver of some panels can be omitted as required.

Please refer to FIG. 12, which is a schematic diagram of the fourth aspect of the spliced panel of the spliced display of the present invention. Continuing from the above, as shown in Figure 12, the spliced display of the present invention further includes a third display panel A1 and a fourth display panel B1. The scan line driver of the third display panel A1 is Gate Driver 3, and may include Or it may not include the data line driver as Data Driver 3 (not shown), the fourth display panel B1 may or may not include the data line driver as Data Driver 4 (not shown) and its scan line driver as Gate Driver 4 ( Not shown). In a display mode, the third display panel A1 and the fourth display panel B1 independently control the drive, and the third display panel A1 can control the data line driver Data Driver 3 and the scan line driver Gate Driver 3 to control each pixel P within it. For the operation of the transistor, the fourth display panel B1 can control the operation of the transistor of each pixel P through the data line driver Data Driver 4 and the scan line driver Gate Driver 4. In another mode, when the scan lines SL or the data lines DL of the first display panel A, the second display panel B, the third display panel A1, and the fourth display panel B1 are electrically connected to each other, the first display panel A and The third display panel A1 shares the data line driver Data Driver 1 of the first display panel A, the second display panel B and the fourth display panel B1 share the data line driver Data Driver 2 of the second display panel B, and the first display panel A and The second display panel B shares the scan line driver Gate Driver 1 of the first display panel A, and the third display panel A1 and the fourth display panel B1 share the scan line driver Gate Driver 3 of the third display panel. That is, the scan line SL of the second display panel B is controlled by the scan line driver Gate Driver 1 of the first display panel A, and the data line DL of the third display panel A1 is controlled by the data line driver Data Driver 1 of the first display panel A. Controlled, the data line DL of the fourth display panel B1 is controlled by the data line driver Data Driver 2 of the second display panel B, and the scan line SL of the fourth display panel B1 is controlled by the scan line driver Gate Driver 3 of the third display panel. control.

Please refer to FIG. 13, which is a schematic diagram of the fifth aspect of the spliced panel of the spliced display of the present invention. From the foregoing, as shown in FIG. 13, the spliced display of the present invention further includes a fifth display panel A2, a sixth display panel B2, a seventh display panel C, an eighth display panel C1, and a ninth display panel C2. The scan line driver of the fifth display panel A2 is Gate Driver 5, and may include or exclude the data line driver as Data Driver 5 (not shown), and the sixth display panel B2 may include or exclude the data line driver Data Driver 6 ( Not shown) and may include or exclude the scan line driver Gate Driver 6 (not shown). The data line driver of the seventh display panel C is labeled as Data Driver 7 and may include or exclude the scan line driver as Gate Driver 7 ( Not shown), the eighth display panel C1 may include or exclude the data line driver Data Driver 8 (not shown) and may include or exclude the scan line driver labeled as Gate Driver 8 (not shown), the ninth display panel C2 may include or not include the data line driver Data Driver 9 (not shown) and may or may not include the scan line driver Gate Driver 9 (not shown). In one mode, that is, when each panel operates independently, the fifth display panel A2 controls the operation of the transistors of each pixel P through the data line driver Data Driver 5 and the scan line driver Gate Driver 5. The sixth display panel B2 The operation of the transistor of each pixel P is controlled through the data line driver Data Driver 6 and the scan line driver Gate Driver 6, and the seventh display panel C is controlled through the data line driver Data Driver 7 and the scan line driver Gate Driver 7 The operation of the transistor of each pixel P of the eighth display panel C1 controls the operation of the transistor of each pixel P through the data line driver Data Driver 8 and the scan line driver Gate Driver 8, and the ninth display panel C2 transmits The data line driver Data Driver 9 and the scan line driver Gate Driver 9 control the operation of the transistor of each pixel P in it.

In another mode, when the scan lines SL or the data lines DL of the first display panel A to the ninth display panel C2 are electrically connected to each other, the first display panel A, the third display panel A1, and the fifth display panel A2 share the first The data line driver Data Driver 1 of display panel A, the second display panel B, the fourth display The display panel B1 and the sixth display panel B2 share the data line driver of the second display panel B, and the seventh display panel C, the eighth display panel C1, and the ninth display panel C2 share the data line driver of the seventh display panel C Data Driver 7. Moreover, the first display panel A, the second display panel B, and the seventh display panel C share the scan line driver Gate Driver 1 of the first display panel A, the third display panel A1, the fourth display panel B1, and the eighth display panel C1 The scan line driver Gate Driver 3 of the third display panel A1 is shared, and the fifth display panel A2, the sixth display panel B2, and the ninth display panel C2 share the scan line driver Gate Driver 5 of the fifth display panel A2. In other words, the scan lines SL and the data lines DL of the first display panel A to the ninth display panel C2 are controlled by the corresponding signals according to the configuration of the shared driver described above.

It can be seen from FIGS. 9 to 13 that regardless of the number of display panels, each display panel can successfully control the control of the entire mosaic display through the electrical connection of the data line DL or the scan line SL.

Please refer to FIG. 14 and FIG. 15, which are both schematic structural diagrams of the fifth embodiment of the spliced display of the present invention. As shown in FIGS. 14 and 15, the first display panel A further includes a touch sensor TPA and insulating layers IOBP2 and IOBP1. The insulating layer IOBP1 is disposed on the thin film encapsulation layer TFE, the touch sensor TPA is disposed on the insulating layer IOBP1, and the insulating layer IOBP2 is disposed on the touch sensor TPA. The second display panel B further includes a touch sensor TPB and insulating layers IOBP2 and IOBP1. The insulating layer IOBP1 is disposed on the thin film encapsulation layer TFE, the insulating layer IOBP2 is disposed on the insulating layer IOBP1, and the touch sensor TPB is disposed on the insulating layer. On layer IOBP2.

In one embodiment, as shown in FIGS. 14 and 15, the touch connection portion TC of the first display panel A is located at the edge of the first display panel A, and it is disposed on the touch sensor TPA and the insulating layer Between IOBP2 and extending along the surface of the touch sensor TPA; touch connection of the second display panel B The part TC is located at the edge of the second display panel B, and it is arranged between the touch sensor TPA and the insulating layer IOBP2 and extends along the surface of the touch sensor TPB, through the corresponding arrangement of the touch connection part TC , The first display panel A and the second display panel B are electrically connected to each other. In another embodiment, the connecting portion of the first display panel A and the second display panel B can also be provided under the thin film encapsulation layer TFE and located in the step structure SS formed by the insulating layer IL1 as shown in FIG. The related details of the connecting portion 20 of the panel A and the second display panel B have been described in the corresponding paragraph of FIG. 3, and the details will not be repeated here.

Please refer to FIG. 16, which is a schematic diagram of the sixth aspect of the spliced panel of the spliced display of the present invention. First, the first display panel A has a transmitting end driver Tx Driver1 and a receiving end controller Rx Driver1 to control the array of touch sensors TPA, and the second display panel B has a transmitting end driver Tx Driver2 and a receiving end controller. Rx Driver2 to control the array of touch sensors TPB. When the first display panel A and the second display panel B are electrically connected to each other through the touch connection portion TC, the first display panel A and the second display panel B share the transmission terminal driver Tx Driver1 of the first display panel A. That is, the transmission terminal signal of the second display panel B is controlled by the transmission terminal driver Tx Driver1 of the first display panel A.

In summary, in the spliced display of the present invention, through the combination of the mechanism 10 and the connecting portion 20, the data lines or scan lines corresponding to each display panel are electrically connected to each other, so that the display panels are electrically connected to each other without The flexible display panel is damaged due to excessive bending. In conclusion, the spliced display of the present invention has the above-mentioned advantages, thereby replacing the existing flexible display panel.

The above description is only illustrative, not restrictive. Any equivalent modification or alteration that does not deviate from the spirit and scope of the present invention shall be included in the scope of the appended patent application.

20: Connection part

21: Metal conductive layer

A: The first display panel

Anode: anode

B: Second display panel

Buffer: buffer layer

Cathode: Cathode

D: Dip pole

DL: Data line

G: Gate

GI1, GI2, ILD, IL1, IL2: insulating layer

M1, M2: Metal layer

OLED: organic light emitting diode

PDL: Pixel Definition Layer

PF: Protective film

PI: Substrate

PL: Flat layer

PS: Clearance column

S: source

SL: scan line

TFE: thin film encapsulation layer

Claims (14)

A spliced display, comprising: at least two display panels, each of the display panels has a data line or a scan line, the edge of each of the display panels has a connecting part, and each of the connecting parts is arranged correspondingly to fit each other; and a mechanism The device carries the at least two display panels, and the mechanical device makes the at least two display panels change between a first relative position state and a second relative position state; wherein, in the first relative position state, the At least two display panels are spliced with each other, and the data line or the scan line corresponding to each display panel is electrically connected to each other; in the second relative position state, the at least two display panels are separated from each other, and each The data lines or the scan lines corresponding to the display panel are electrically isolated from each other. According to the spliced display described in item 1 of the scope of patent application, at least one of the connecting portions and the data line or the scan line are in the same film layer. According to the spliced display described in item 1 of the scope of patent application, at least one of the connecting portions and the data line or the scan line are in different layers. For the spliced display described in item 1 of the scope of patent application, wherein each of the connecting portions has a stepped structure, the stepped structure is formed by an insulating layer and another insulating layer that protrudes relatively to the insulating layer, and the data line Or the scan line is arranged between the insulating layer and the other insulating layer, and extends to the surface of the other insulating layer. The spliced display described in item 4 of the scope of patent application, wherein each of the connecting portions has a metal conductive layer or a conductive adhesive layer, and the metal conductive layer or the conductive adhesive layer covers the data line or the scan line, And in the first relative position state, the data line or the scan line is electrically connected to each other through the metal conductive layer or the conductive adhesive layer. The spliced display described in item 5 of the scope of patent application, wherein the metal conductive layer is the same film layer as the anode or the cathode of the light-emitting element of the display panel. For the spliced display described in item 1 of the scope of patent application, wherein each of the connecting portions has a convex structure and a concave structure, and the data line or the scan line is arranged on the convex structure and the concave structure And extend to the surface of the convex structure. For the spliced display described in item 7 of the scope of patent application, wherein the convex structure has a metal conductive layer or a conductive adhesive layer, and the metal conductive layer or the conductive adhesive layer covers the data line or the scan line, And in the first relative position state, the data line or the scan line is electrically connected to each other through the metal conductive layer or the conductive adhesive layer. The spliced display described in item 8 of the scope of patent application, wherein the metal conductive layer and the anode or cathode of the light-emitting element of the display panel are the same film layer. As for the spliced display described in claim 1, wherein each of the display panels further includes a touch sensor, each of the touch sensors has a touch connection portion, and each of the touch connection portions is correspondingly disposed And fit each other. According to the spliced display described in claim 10, the touch connection portions corresponding to the touch sensors are connected to each other to share the driver of one of the two touch sensors. According to the spliced display described in item 1 of the scope of patent application, each of the display panels further includes a lateral water blocking layer to seal each of the display panels laterally. For the spliced display described in claim 1, wherein, in the first relative position state, the data lines corresponding to each of the display panels are connected to each other to share data of one of the at least two display panels Line drive. According to the spliced display described in claim 1, wherein, in the first relative position state, the scan lines corresponding to each display panel are connected to each other to share a scan of one of the at least two display panels Line drive.

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