WO2022217662A1 - 拼接显示屏及其制作方法 - Google Patents
拼接显示屏及其制作方法 Download PDFInfo
- Publication number
- WO2022217662A1 WO2022217662A1 PCT/CN2021/091272 CN2021091272W WO2022217662A1 WO 2022217662 A1 WO2022217662 A1 WO 2022217662A1 CN 2021091272 W CN2021091272 W CN 2021091272W WO 2022217662 A1 WO2022217662 A1 WO 2022217662A1
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- WIPO (PCT)
- Prior art keywords
- sub
- adhesive layer
- display panels
- display
- layer
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000012790 adhesive layer Substances 0.000 claims abstract description 169
- 239000010410 layer Substances 0.000 claims description 79
- 230000002787 reinforcement Effects 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 29
- 239000003292 glue Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 10
- 239000000470 constituent Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011344 liquid material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000011345 viscous material Substances 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000004579 marble Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007605 air drying Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13336—Combining plural substrates to produce large-area displays, e.g. tiled displays
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0021—Side-by-side or stacked arrangements
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J201/00—Adhesives based on unspecified macromolecular compounds
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2202/00—Materials and properties
- G02F2202/28—Adhesive materials or arrangements
Definitions
- the invention relates to the field of display technology, in particular to the manufacture of display devices, and in particular to a spliced display screen and a manufacturing method thereof.
- the method of splicing multiple display screens is mostly used to display the screen together.
- the purpose of the present application is to provide a spliced display screen and a manufacturing method thereof, which solves the problem that the display quality of the spliced display screen is low due to the large gap and height difference between two adjacent sub-display panels in the existing spliced display screen. The problem.
- the embodiments of the present application provide a spliced display screen, including:
- each of the sub-display panels includes a first sub-surface and a second sub-surface arranged oppositely, and the first sub-surface is located on the sub-display panel a side of the display panel away from the backplane, the first sub-surface is used for displaying images;
- the adhesive layer is located between the backplane and the plurality of sub-display panels;
- a plurality of the first sub-surfaces are located on the same plane, a plurality of the sub-display panels are arranged in alignment to form a display panel, there is a gap between two adjacent sub-display panels, and the adhesive layer is at least A plurality of the gaps are arranged opposite each other, each of the gaps is not greater than 0.2 mm, and the adhesive layer and the oppositely arranged parts of the plurality of gaps are formed by a glue dispensing process;
- a circuit portion is provided on the second sub-surface of each of the sub-display panels, the circuit portion is electrically connected to the film layer in the sub-display panel through wires, and the circuit portion is located away from the corresponding any side or sides of the gap.
- the adhesive layer includes:
- the first sticking layer includes a plurality of first sticking parts, the plurality of first sticking parts are respectively arranged opposite to the plurality of the gaps, and each of the first sticking parts is connected to the corresponding two In the sub-display panel, the width of each of the first sticking portions is larger than the size of the corresponding gap.
- the first adhesive layer is formed by a glue dispensing process.
- the adhesive layer further includes:
- the second adhesive layer is located on the side of the first adhesive layer close to the back plate, the second adhesive layer is at least opposite to the edge area of the display panel, the second adhesive layer A layer connects a plurality of the sub-display panels and the backplane.
- it also includes:
- a reinforcement layer is located on the side of the adhesive layer close to the back plate, the reinforcement layer is at least opposite to the adhesive layer, and the composition material of the reinforcement layer includes metal.
- a side of the back plate away from the adhesive layer is provided with a positioning hole, and the positioning hole is used for fixing the spliced display screen.
- the embodiments of the present application provide a spliced display screen, including:
- each of the sub-display panels includes a first sub-surface, and the first sub-surface is located in the sub-display panel away from the back panel one side of the , the first sub-surface is used for displaying pictures;
- the adhesive layer is located between the backplane and the plurality of sub-display panels;
- a plurality of the first sub-surfaces are located on the same plane, a plurality of the sub-display panels are arranged in alignment to form a display panel, there is a gap between two adjacent sub-display panels, and the adhesive layer is at least A plurality of the gaps are arranged opposite each other, and each of the gaps is not greater than 0.2 mm.
- the adhesive layer includes:
- the first sticking layer includes a plurality of first sticking parts, the plurality of first sticking parts are respectively arranged opposite to the plurality of the gaps, and each of the first sticking parts is connected to the corresponding two In the sub-display panel, the width of each of the first sticking portions is larger than the size of the corresponding gap.
- the first adhesive layer is formed by a glue dispensing process.
- the adhesive layer further includes:
- the second adhesive layer is located on the side of the first adhesive layer close to the back plate, the second adhesive layer is at least opposite to the edge area of the display panel, the second adhesive layer A layer connects a plurality of the sub-display panels and the backplane.
- it also includes:
- a reinforcement layer is located on the side of the adhesive layer close to the back plate, the reinforcement layer is at least opposite to the adhesive layer, and the composition material of the reinforcement layer includes metal.
- a side of the back plate away from the adhesive layer is provided with a positioning hole, and the positioning hole is used for fixing the spliced display screen.
- each of the sub-display panels further includes a second sub-surface disposed opposite to the first sub-surface, and each of the sub-display panels includes:
- circuit part is located on the second sub-surface, and the circuit part is electrically connected to the film layer in the sub-display panel through wires;
- circuit portion is located on any side or sides away from the corresponding gap.
- Embodiments of the present application also provide a method for making a spliced display screen, including:
- each of the sub-display panels includes a first sub-surface and a second sub-surface arranged oppositely, and the first sub-surface is used for displaying a picture;
- An adhesive layer is formed on a plurality of the second sub-surfaces of the plurality of sub-display panels, and the adhesive layer at least covers a plurality of the gaps;
- a backplane is formed on the adhesive layer, and the backplane covers a plurality of the sub-display panels.
- the step of disposing an adhesive layer on a plurality of the second sub-surfaces of the plurality of sub-display panels, the adhesive layer covering at least the plurality of the gaps includes:
- a first sticking layer is formed on a plurality of the second sub-surfaces of the plurality of sub-display panels, the first sticking layer includes a plurality of first sticking parts, and the plurality of the first sticking parts respectively cover the corresponding a plurality of the gaps, each of the first adhesive parts is connected to the corresponding two sub-display panels, and the width of each of the first adhesive layers is larger than the size of the corresponding gap;
- a second adhesive layer is formed on the first adhesive layer, the second adhesive layer covers at least the edge area of the display panel, and the composition material of the second adhesive layer is different from the composition material of the first adhesive layer .
- the backplane covering a plurality of the sub-display panels includes:
- a reinforcement layer is formed on the adhesive layer, the reinforcement layer is at least opposite to the adhesive layer, and the constituent material of the reinforcement layer includes metal.
- the present application provides a spliced display screen and a manufacturing method thereof.
- the spliced display screen includes: a backplane, a plurality of sub-display panels, and an adhesive layer.
- the present application provides a plurality of the sub-display panels on the backplane, and each The sub-display panel includes a first sub-surface for displaying a picture, a plurality of the first sub-surfaces in the present application are arranged on the side of the sub-display panel away from the back plate, and the plurality of the first sub-surfaces The surfaces are arranged on the same plane.
- an adhesive layer is arranged between the backplane and a plurality of the sub-display panels, and the adhesive layer is at least opposite to the gap between each adjacent two sub-display panels.
- FIG. 1 is a schematic diagram of an exploded view of a spliced display screen provided by an embodiment of the present application.
- FIG. 2 is a schematic cross-sectional view of a spliced display screen provided by an embodiment of the present application.
- FIG. 3 is a schematic splicing schematic diagram of a splicing display screen provided by an embodiment of the present application.
- FIG. 4 is a scene schematic diagram of a method for manufacturing a spliced display screen provided by an embodiment of the present application.
- FIG. 5 is a flowchart of a method for manufacturing a spliced display screen provided by an embodiment of the present application.
- FIG. 6 is another flowchart of a method for manufacturing a spliced display screen provided by an embodiment of the present application.
- the present application provides a spliced display screen, and the spliced display screen includes but is not limited to the following embodiments and combinations of the following embodiments.
- the spliced display screen 100 includes: a backplane 101 ; and a plurality of sub-display panels 102 .
- the sub-display panel 102 includes a first sub-surface 01, the first sub-surface 01 is located on the side of the sub-display panel 102 away from the back panel 101, and the first sub-surface 01 is used for displaying images ; the adhesive layer 103, the adhesive layer 103 is located between the backplane 101 and the plurality of sub-display panels 102; wherein, the plurality of the first sub-surfaces 01 are located in the same plane, and the plurality of the sub-display panels 102 are aligned to form a display panel, there is a gap 03 between two adjacent sub-display panels 102, the adhesive layer 103 is at least opposite to a plurality of the gaps 03, and each of the gaps is not greater than 0.2 mm.
- the sub-display panel 102 may be, but not limited to, Micro LEDs (Micro LEDs).
- Light Emitting Diode (miniature light-emitting diode) display panel that is, the sub-display panel 102 can be in the form of a high-density tiny-sized LED array integrated on a chip, and realizes picture display through self-illumination.
- the first sub-surface 01 of each of the sub-display panels 102 may face a platform to place a plurality of the sub-display panels 102 on the platform, wherein the platform faces a plurality of
- the surface on one side of the sub-display panel 102 can be smooth and continuous, so that a plurality of the first sub-surfaces 01 are located on the same plane, wherein the platform can be but not limited to a marble platform or a glass platform, so as to better A plurality of the first sub-surfaces 01 are attached.
- the surface of the platform facing the plurality of sub-display panels 102 can be parallel to the horizontal plane, so as to reduce the difference in contact between the plurality of sub-display panels 102 and the platform, and also facilitate the later analysis of the plurality of sub-display panels 102.
- the sub-display panel 102 operates. It should be noted that, by orienting the first sub-surface 01 of each sub-display panel 102 toward the platform to place a plurality of the sub-display panels 102 on the platform, a plurality of the sub-display panels 102 can also be realized.
- the first sub-surfaces 01 are located on the same plane. Therefore, the plurality of the first sub-surfaces 01 of the plurality of sub-display panels 102 can realize no height difference, so as to improve the display quality of the spliced display screen 100 .
- each of the sub-display panels 102 further includes a second sub-surface 02 disposed opposite to the first sub-surface, and each of the sub-display panels 102 includes : a circuit part, the circuit part is located on the second sub-surface 02, and the circuit part is electrically connected to the film layer in the sub-display panel 102 through wires; wherein, the circuit part is located far from the corresponding Any one or more sides of the gap 03.
- each of the sub-display panels 102 may include at least one group of circuit parts, and each group of the circuit parts may include a printed circuit board 1021 and a chip-on-film 1022 .
- the chip film 1022 is located on the side of the printed circuit board 1021 close to the edge of the sub-display panel 102, and the chip on film 1022 is electrically connected to the wires to electrically connect the printed circuit board 1021 to the sub-display panel 102. Corresponding film layers in the sub-display panel 102 .
- the adhesive layers 103 disposed opposite to the plurality of gaps 03 may Covers the wire, causing the wire to fail.
- the display panel includes a plurality of the sub-display panels 102 arranged in two columns or two rows, and each of the sub-display panels 102 includes a group of the circuit parts, a plurality of groups of the circuit parts
- the sub-display panels can be arranged in the areas near the two long sides of the display panel; specifically, as shown in FIG.
- the two sets of the circuit parts in each of the sub-display panels 102 can be respectively arranged in two different places adjacent to the corresponding two gaps 03 . In the area near the other two sides of the side. It can be understood that, the above embodiments can effectively prevent the adhesive layer 103 from covering the wires and reduce the risk of failure of the wires.
- the number of the plurality of sub-display panels 102 may be odd or even.
- the plurality of the sub-display panels 102 may be arranged in the same direction, or the plurality of the sub-display panels 102 may be arranged in other shapes;
- the number of the sub-display panels 102 is an even number, a plurality of the sub-display panels 102 may be arranged in the same direction, or a plurality of the sub-display panels 102 may be arranged in a rectangle, or a plurality of the sub-display panels 102 102 can be arranged in other shapes.
- the aligned arrangement of a plurality of the sub-display panels 102 can be understood as: no matter what the number and arrangement of the plurality of the sub-display panels 102 are, any two adjacent sub-display panels 102 are placed between any adjacent sub-display panels 102.
- the gaps 03 are equal to each other, wherein, the gap 03 can represent the distance between the adjacent two sides of the corresponding adjacent two sub-display panels 102, that is, the phase between the adjacent two sub-display panels 102 The distance between adjacent sides can be equal everywhere.
- a plurality of the sub-display panels 102 may be placed in a preset shape first, and at this time, there is a large gap between the two adjacent sub-display panels 102. Further, manual labor may be used.
- the plurality of sub-display panels 102 that have been placed are squeezed into a "seamless state" manually or by a mechanical hand, and the "seamless state” means that there is the gap between two adjacent sub-display panels 102 03 status.
- auxiliary fixing strips may be used to fix and maintain at least one side of the shape formed by the plurality of sub-display panels 102, so as to avoid the shape change formed by the plurality of sub-display panels 102, so as to facilitate the later adjustment of the plurality of the sub-display panels 102.
- the sub display panel 102 operates. It should be noted that each of the gaps in the spliced display screen in this embodiment can be implemented to be no greater than 0.2 mm. It can be understood that the smaller the size of the gap 03 is, the better, and it is considered here that the gap 03 can avoid reducing the display quality of the spliced display screen 100 .
- the adhesive layer 103 includes: a first adhesive layer 1031 , and the first adhesive layer 1031 includes a plurality of first adhesive parts 10311 , a plurality of the first adhesive layers 10311 .
- the sticking portions 10311 are respectively disposed opposite to the plurality of the gaps 03 , each of the first sticking portions 10311 is connected to the corresponding two sub-display panels 102 , and the width of each first sticking portion 10311 is larger than that of the corresponding one. the size of the gap 03.
- a plurality of the sub-display panels 102 are aligned to form a display panel, and the display panel includes a first surface and a second surface disposed opposite to each other, wherein the first surface includes a plurality of the The first sub-surface 01 and the plurality of the gaps 03 are respectively close to the plurality of surfaces of the first sub-surface 01, and the second surface includes the plurality of the second sub-surface 02 and the plurality of the gaps 03 are respectively close to the multiple surfaces of the multiple second sub-surfaces 02 .
- each first sticking portion 10311 is greater than the size of the corresponding gap 03 , and it can be understood that each first sticking portion 10311 is not only located in the corresponding two of the corresponding gaps 03 .
- the surface of the second sub-surface 02 is extended to the corresponding two second sub-surfaces 02 to connect the corresponding two sub-display panels 102 .
- the first adhesive layer 1031 is formed by a glue dispensing process. It can be understood that when a plurality of the sub-display panels 102 are in the “seamless state”, a glue dispensing process can be used for many times to form the first sticking parts 10311 with liquid glue along a plurality of paths. , compared with using double-sided tape or other solid adhesives to operate the second surface, this can reduce the force on the plurality of sub-display panels 102, and reduce the displacement of the plurality of sub-display panels 102. risk. Further, as shown in FIG. 1 , when part of the extension lines of the gaps 03 overlap, a part of the gaps 03 can be formed through a glue dispensing process along a corresponding path.
- the first sticking parts 10311 can be formed separately through a dispensing process, and further, it is possible to avoid any overlapping of the two first sticking parts 10311 that are connected to each other, so as to avoid the part of the first sticking layer 1031 near the overlap. fracture.
- the first adhesive layer 1031 is prepared by using glue.
- the first adhesive layer 1031 needs to be viscous and needs to be formed by a glue dispensing process, that is, the first adhesive layer 1031 can be prepared with liquid and viscous materials, including but not limited to glue.
- the glue can also be understood as a non-liquid, viscous material, and further, the glue can be converted into a liquid, viscous material and added to a dispenser including but not limited to, dripping or coating. on the second surface of the display panel.
- the constituent materials of the glue may be, but not limited to, UV glue, peelable blue glue, and fluorinated liquid.
- the material on the second surface is treated by UV light irradiation or natural air drying to form material on the second surface.
- a plurality of the sub-display panels 102 are aligned to form a display panel
- the adhesive layer 103 further includes: a second adhesive layer 1032, the The second adhesive layer 1032 is located on the side of the first adhesive layer 1031 close to the backplane 101 .
- the second adhesive layer 1032 is at least opposite to the edge area 04 of the display panel.
- the second adhesive layer 1032 A plurality of the sub-display panels 102 and the backplane 101 are connected.
- the edge area 04 may be an area extending inward with the edge of the display panel as an outer boundary, and the width of the edge area 04 is not limited herein.
- the second adhesive layer 1032 can be disposed opposite to the edge area 04 of the display panel, so that the edge of the backplane 101 and the edge of the display panel can be pasted to fix both, avoiding wasting materials And improve the paste yield. Further, since the second adhesive layer 1032 needs to be disposed close to the edge of the display panel, the second adhesive layer 1032 can be formed by pasting solid glue, instead of being formed by a dispensing process, to avoid Liquid material flows into the first surface of the display panel.
- the composition material of the second adhesive layer 1032 and the composition material of the first adhesive layer 1031 may be different.
- the second adhesive layer 1032 may be a double-sided adhesive tape. It can be understood that since the double-sided tape has a fixed shape at room temperature, the double-sided tape can be directly pasted on the second surface of the display panel to the area corresponding to the edge region 04 to form the double-sided tape.
- the second adhesive layer 1032 .
- the double-sided tape may include two oppositely arranged adhesive layers and a buffer layer located between the two adhesive layers, wherein one of the adhesive layers adheres the display panel and the buffer layer , the other adhesive layer sticks the back plate 101 and the buffer layer, the composition material of the buffer layer can be but not limited to elastic material, for example, the double-sided tape can be but not limited to double-sided adhesive Foam glue. It can be understood that since the second adhesive layer 1032 is formed after the first adhesive layer 1031 , that is, the second adhesive layer 1032 can also cover a part of the first adhesive layer 1031 .
- the spliced display screen 100 further includes: a reinforcement layer, the reinforcement layer is located on the side of the adhesive layer 103 close to the back plate 101 , and the reinforcement layer The layer is at least opposite to the adhesive layer 103, and the constituent material of the reinforcement layer includes metal. It can be understood that the reinforcement layer can further support the adhesive layer 103 to reduce the risk of the adhesive layer 103 being broken or detached.
- the display panel needs to be placed vertically to perform pictures. When the number of the sub-display panels 102 included in the display panel is large, the effect of gravity may cause a plurality of the sub-display panels 102 on the upper layer.
- the multiple sub-display panels 102 in the lower layer are pressed so that the display panels become loose, and the reinforcing layer can increase the frictional force that the multiple sub-display panels 102 are subjected to in the vertical direction, thereby reducing the above risks .
- using metal to make the reinforcement layer can increase the strength of the reinforcement layer and further improve the support function of the reinforcement layer.
- the reinforcement layer may cover at least the first adhesive layer 1031, further, the reinforcement layer may also cover the second adhesive layer 1032, and further, the reinforcement layer may cover the display panel the second surface.
- a side of the back plate 101 away from the adhesive layer 103 is provided with a positioning hole, and the positioning hole is used for fixing the spliced display screen 100 . It can be understood that after the spliced display screen 100 is fabricated, the spliced display screen 100 needs to be fixed on a bracket to display images. Wherein, at least one positioning hole may be provided on a side of each of the backplanes 101 away from the adhesive layer 103 .
- the positioning hole may be located in the middle area of the backplane 101;
- the two positioning holes may be located at two corners on a diagonal line of the backboard 101 , respectively.
- the four positioning holes may be located in four corner areas of the backplane 101 respectively.
- the present application also provides a method for manufacturing a spliced display screen, and the method for manufacturing a spliced display screen includes but is not limited to the following embodiments and combinations of the following embodiments.
- the manufacturing method of the spliced display screen includes but is not limited to the following steps.
- each of the sub-display panels 201 includes a first sub-surface 05 and a second sub-surface 06 disposed opposite to each other, and the first sub-surface 05 is used for displaying pictures.
- the sub-display panel 201 may be, but not limited to, Micro LEDs (Micro LEDs).
- Light Emitting Diode (miniature light-emitting diode) display panel that is, the sub-display panel 201 can be in the form of a high-density tiny-sized LED array integrated on a chip, and realizes picture display through self-illumination.
- a printed circuit board 061 and a chip-on film 062 may be provided on the second sub-surface 06 of each of the sub-display panels 201 , and the chip-on film 062 is located on the printed circuit board 061 close to the On one side of the edge of the sub-display panel 201 , the chip on film 062 is connected to the printed circuit board 061 and the corresponding film layers in the sub-display panel 201 . Further, two of the printed circuit boards 061 and two of the chip-on-films 062 may be disposed on the second sub-surface 06 of each of the sub-display panels 201 .
- the first sub-surface 05 of each of the sub-display panels 201 may face a platform to place a plurality of the sub-display panels 201 on the platform, wherein the platform faces a plurality of
- the surface of one side of the sub-display panel 201 can be smooth and continuous, so that the plurality of first sub-surfaces 05 are located on the same plane, wherein the platform can be but not limited to a marble platform or a glass platform, so as to better A plurality of the first sub-surfaces 05 are attached.
- the surface of the platform facing the side of the plurality of sub-display panels 201 may be parallel to the horizontal plane, so as to reduce the difference in contact between the plurality of sub-display panels 201 and the platform, and also facilitate the later analysis of the plurality of sub-display panels 201.
- the sub-display panel 201 operates. It should be noted that if the first sub-surface 05 of each sub-display panel 201 faces the platform to place a plurality of the sub-display panels 201 on the platform, a plurality of the first sub-display panels 201 can be realized. A sub-surface 05 is located on the same plane, therefore, the plurality of the first sub-surfaces 05 of the plurality of sub-display panels 201 can realize no height difference, so as to improve the display quality of the spliced display screen.
- the number of the plurality of sub-display panels 201 may be odd or even.
- the plurality of the sub-display panels 201 may be arranged in the same direction, or the plurality of the sub-display panels 201 may be arranged in other shapes;
- a plurality of the sub-display panels 201 may be arranged in the same direction, or a plurality of the sub-display panels 201 may be arranged in a rectangle, or a plurality of the sub-display panels 201 201 can be arranged in other shapes.
- the alignment of the plurality of sub-display panels 201 can be understood as: no matter what the number and arrangement of the plurality of sub-display panels 201 are, any adjacent sub-display panels 201 are placed between any two sub-display panels 201.
- the gaps 07 are equal to each other, wherein the gap 07 can represent the distance between the adjacent two sides of the corresponding adjacent two sub-display panels 201 , that is, the phase between the adjacent two sub-display panels 201
- the distance between adjacent sides can be equal everywhere.
- a plurality of the sub-display panels 201 may be placed according to a preset shape first, and at this time, there is a large gap between the two adjacent sub-display panels 201. Further, artificial The placed sub-display panels 201 are squeezed into a “seamless state” manually or by a mechanical hand, and the “seamless state” means that there is the gap between two adjacent sub-display panels 201 07 status.
- auxiliary fixing strips can be used to fix and maintain at least one side of the shape formed by the plurality of sub-display panels 201, so as to avoid the shape change formed by the plurality of sub-display panels 201, so as to facilitate the later adjustment of the plurality of the sub-display panels 201.
- the sub display panel 201 operates.
- the step S4 includes but is not limited to the following steps.
- the first adhesive layer 2021 includes a plurality of first adhesive parts 20211 , a plurality of the A sticking portion 20211 covers the corresponding plurality of gaps 07 respectively, each of the first sticking portions 20211 is connected to the corresponding two sub-display panels 201 , and the width of each first sticking portion 20211 is larger than the corresponding one The size of the gap 07.
- a plurality of the sub-display panels 201 are aligned to form a display panel, and the display panel includes a first surface and a second surface disposed opposite to each other, wherein the first surface includes a plurality of the first surfaces
- the sub-surfaces 05 and the plurality of gaps 07 are respectively close to a plurality of surfaces of the first sub-surfaces 05
- the second surfaces include a plurality of the second sub-surfaces 06 and a plurality of the gaps 07 They are respectively close to a plurality of surfaces of the second sub-surfaces 06 .
- each of the first sticking portions 20211 is greater than the size of the corresponding gap 07 , and it can be understood that each of the first sticking portions 20211 is not only located in the corresponding two of the corresponding gaps 07 .
- the surface of the second sub-surface 06 is extended to the corresponding two second sub-surfaces 06 to connect the corresponding two sub-display panels 201 .
- the first adhesive layer 2021 can be formed by a glue dispensing process, and for details, please refer to the relevant description above; the first adhesive layer 2021 may be prepared by using glue, and for details, please refer to the relevant description above.
- the edge area may be an area extending inward with the edge of the display panel as an outer boundary, and the width of the edge area is not limited herein.
- the second adhesive layer 2022 may be a double-sided adhesive tape, for details, please refer to the above related description.
- the second adhesive layer 2022 can be disposed opposite to the edge area of the display panel, so that the edge of the backplane 203 and the edge of the display panel can be pasted to fix both, avoiding wasting materials and Improve the yield of pasting. Further, since the second adhesive layer 2022 needs to be disposed close to the edge of the display panel, the second adhesive layer 2022 can be formed by sticking solid glue here, instead of being formed by a dispensing process, to avoid Liquid material flows into the first surface of the display panel.
- a positioning hole may be provided on the side of the back plate 203 away from the adhesive layer, and the positioning hole is used to fix the spliced display screen 100 on the bracket. It can be understood that after the spliced display screen is fabricated, the spliced display screen needs to be fixed on the bracket to display the picture. Wherein, at least one positioning hole may be provided on a side of each of the backboard 203 away from the adhesive layer.
- the positioning hole may be located in the middle area of the back plate;
- the two positioning holes can be respectively located in the two corner areas on the diagonal line of the back plate 203;
- the four positioning holes may be respectively located in the four corner regions of the back plate 203 .
- step S5 before the step S5, it includes but is not limited to the following steps: forming a reinforcement layer on the adhesive layer, the reinforcement layer is at least opposite to the adhesive layer, and the constituent materials of the reinforcement layer include: Metal.
- the reinforcement layer can further support the adhesive layer and reduce the risk of the adhesive layer being broken or separated.
- the display panel needs to be placed vertically to perform pictures.
- the effect of gravity may cause a plurality of the sub-display panels 201 on the upper layer.
- the multiple sub-display panels 201 in the lower layer are pressed so that the display panels become loose, and the reinforcing layer can increase the frictional force that the multiple sub-display panels 201 are subjected to in the vertical direction, thereby reducing the above risks .
- using metal to make the reinforcement layer can increase the strength of the reinforcement layer and further improve the support function of the reinforcement layer.
- the reinforcement layer may at least cover the first adhesive layer 2021, further, the reinforcement layer may also cover the second adhesive layer 2022, and further, the reinforcement layer may cover the display panel the second surface.
- the present application provides a spliced display screen and a manufacturing method thereof.
- the spliced display screen includes: a backplane, a plurality of sub-display panels, and an adhesive layer.
- the present application provides a plurality of the sub-display panels on the backplane, and each The sub-display panel includes a first sub-surface for displaying a picture, a plurality of the first sub-surfaces in the present application are arranged on the side of the sub-display panel away from the back plate, and the plurality of the first sub-surfaces The surfaces are arranged on the same plane.
- an adhesive layer is arranged between the backplane and a plurality of the sub-display panels, and the adhesive layer is at least opposite to the gap between each adjacent two sub-display panels.
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Abstract
提供了拼接显示屏（100）及其制作方法，拼接显示屏（100）包括：背板（101）、位于背板（101）上的多个子显示面板（102）、位于背板（101）和多个子显示面板（102）之间的粘贴层（103），多个子显示面板（102）中用于显示画面的多个第一子面（01）设于同一平面，粘贴层（103）至少和每相邻的两个子显示面板（102）之间的间隙相对设置，以连接每相邻的两个子显示面板（102）。
Description
本发明涉及显示技术领域，尤其涉及显示器件的制造，具体涉及拼接显示屏及其制作方法。
目前，为了增加显示屏的尺寸以满足远距离观看或者高分辨率要求，大多采用将多个显示屏拼接的方式以共同进行画面显示。
其中，目前大多数拼接的方式为分别将每一个显示面板背面的定位孔和支架上对应的定位柱匹配组装，直至将全部显示面板组装于支架上；然而，由于组装公差、定位孔机加工公差以及多个显示面板厚度差异的存在，拼接显示屏中相邻的显示面板之间会存在较大的缝隙以及较大的高度差，降低了拼接显示屏的显示质量。
综上所述，有必要提供可以减小缝隙以及高度差以提高显示质量的拼接显示屏及其制作方法。
本申请的目的在于提供拼接显示屏及其制作方法，解决了现有的拼接显示屏中相邻的两个子显示面板之间的缝隙和高度差均较大导致的拼接显示屏的显示质量较低的问题。
本申请实施例提供拼接显示屏，包括：
背板；
多个子显示面板，多个所述子显示面板位于所述背板上，每一所述子显示面板包括相对设置的第一子面和第二子面，所述第一子面位于所述子显示面板中远离所述背板的一侧，所述第一子面用于显示画面；
粘贴层，所述粘贴层位于所述背板和多个所述子显示面板之间；
其中，多个所述第一子面位于同一平面，多个所述子显示面板对齐排布构成一显示面板，相邻的两个所述子显示面板之间具有间隙，所述粘贴层至少和多个所述间隙相对设置，每一所述间隙不大于0.2毫米，所述粘贴层和多个所述间隙相对设置的部分通过点胶工艺形成；
其中，每一所述子显示面板的所述第二子面上设有电路部，所述电路部通过导线电性连接于所述子显示面板中的膜层，所述电路部位于远离对应的所述间隙的任意一侧或者多侧。
在一实施例中，所述粘贴层包括：
第一粘贴层，所述第一粘贴层包括多个第一粘贴部，多个所述第一粘贴部分别和多个所述间隙相对设置，每一所述第一粘贴部连接对应的两个所述子显示面板，每一所述第一粘贴部的宽度大于对应的所述间隙的尺寸。
在一实施例中，所述第一粘贴层通过点胶工艺形成。
在一实施例中，所述粘贴层还包括：
第二粘贴层，所述第二粘贴层位于所述第一粘贴层靠近所述背板的一侧，所述第二粘贴层至少和所述显示面板的边缘区域相对设置，所述第二粘贴层连接多个所述子显示面板和所述背板。
在一实施例中，还包括：
加固层，所述加固层位于所述粘贴层靠近所述背板的一侧，所述加固层至少和所述粘贴层相对设置，所述加固层的组成材料包括金属。
在一实施例中，所述背板远离所述粘贴层的一侧设有定位孔，所述定位孔用于固定所述拼接显示屏。
本申请实施例提供拼接显示屏，包括：
背板；
多个子显示面板，多个所述子显示面板位于所述背板上，每一所述子显示面板包括第一子面，所述第一子面位于所述子显示面板中远离所述背板的一侧，所述第一子面用于显示画面；
粘贴层，所述粘贴层位于所述背板和多个所述子显示面板之间；
其中，多个所述第一子面位于同一平面，多个所述子显示面板对齐排布构成一显示面板，相邻的两个所述子显示面板之间具有间隙，所述粘贴层至少和多个所述间隙相对设置，每一所述间隙不大于0.2毫米。
在一实施例中，所述粘贴层包括：
第一粘贴层，所述第一粘贴层包括多个第一粘贴部，多个所述第一粘贴部分别和多个所述间隙相对设置，每一所述第一粘贴部连接对应的两个所述子显示面板，每一所述第一粘贴部的宽度大于对应的所述间隙的尺寸。
在一实施例中，所述第一粘贴层通过点胶工艺形成。
在一实施例中，所述粘贴层还包括：
第二粘贴层，所述第二粘贴层位于所述第一粘贴层靠近所述背板的一侧，所述第二粘贴层至少和所述显示面板的边缘区域相对设置，所述第二粘贴层连接多个所述子显示面板和所述背板。
在一实施例中，还包括：
加固层，所述加固层位于所述粘贴层靠近所述背板的一侧，所述加固层至少和所述粘贴层相对设置，所述加固层的组成材料包括金属。
在一实施例中，所述背板远离所述粘贴层的一侧设有定位孔，所述定位孔用于固定所述拼接显示屏。
在一实施例中，每一所述子显示面板还包括和所述第一子面相对设置的第二子面，每一所述子显示面板包括：
电路部，所述电路部位于所述第二子面上，所述电路部通过导线电性连接于所述子显示面板中的膜层；
其中，所述电路部位于远离对应的所述间隙的任意一侧或者多侧。
本申请实施例还提供拼接显示屏的制作方法，包括：
提供多个子显示面板，每一所述子显示面板包括相对设置的第一子面和第二子面，所述第一子面用于显示画面；
将多个所述子显示面板的多个所述第一子面置于同一平面；
将多个所述子显示面板对齐排布构成一显示面板，相邻的两个所述子显示面板之间具有间隙，每一所述间隙不大于0.2毫米；
在多个所述子显示面板的多个所述第二子面上形成粘贴层，所述粘贴层至少覆盖多个所述间隙；
在所述粘贴层上形成背板，所述背板覆盖多个所述子显示面板。
在一实施例中，所述在多个所述子显示面板的多个所述第二子面上设置粘贴层，所述粘贴层至少覆盖多个所述间隙的步骤包括：
在多个所述子显示面板的多个所述第二子面上形成第一粘贴层，所述第一粘贴层包括多个第一粘贴部，多个所述第一粘贴部分别覆盖对应的多个所述间隙，每一所述第一粘贴部连接对应的两个所述子显示面板，每一所述第一粘贴层的宽度大于对应的所述间隙的尺寸；
在所述第一粘贴层上形成第二粘贴层，所述第二粘贴层至少覆盖所述显示面板的边缘区域，所述第二粘贴层的组成材料和所述第一粘贴层的组成材料不同。
在一实施例中，所述在所述粘贴层上形成背板，所述背板覆盖多个所述子显示面板的步骤之前包括：
在所述粘贴层上形成加固层，所述加固层至少和所述粘贴层相对设置，所述加固层的组成材料包括金属。
本申请提供了拼接显示屏及其制作方法，拼接显示屏包括：背板、多个子显示面板和粘贴层，本申请将多个所述子显示面板设于所述背板上，每一所述子显示面板包括用于显示画面的第一子面，本申请多个所述第一子面设于所述子显示面板中远离所述背板的一侧，且将多个所述第一子面设于同一平面，进一步的，本申请在所述背板和多个所述子显示面板之间设置粘贴层，且所述粘贴层至少和每相邻的两个子显示面板之间的间隙相对设置，以连接每相邻的两个子显示面板，并且将多个子显示面板固定于背板上，以此减少相邻的两个子显示面板之间的缝隙和高度差，最终使得每一所述间隙可以不大于0.2毫米，使得每一所述高度差可以不大于0.2毫米，以实现无缝式的观看效果，以提高拼接显示屏的显示质量。
下面结合附图，通过对本申请的具体实施方式详细描述，将使本申请的技术方案及其它有益效果显而易见。
图1为本申请实施例提供的拼接显示屏的爆炸图的示意图。
图2为本申请实施例提供的拼接显示屏的剖面示意图。
图3为本申请实施例提供的拼接显示屏的拼接示意图。
图4为本申请实施例提供的拼接显示屏的制作方法的场景示意图。
图5为本申请实施例提供的拼接显示屏的制作方法的一种流程图。
图6为本申请实施例提供的拼接显示屏的制作方法的另一种流程图。
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整的描述。显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。另外，还需要说明的是，附图提供的仅仅是和本申请关系比较密切的结构，省略了一些与发明关系不大的细节，目的在于简化附图，使发明点一目了然，而不是表明实际中装置就是和附图一模一样，不作为实际中装置的限制。
本申请提供拼接显示屏，所述拼接显示屏包括但不限于以下实施例以及以下实施例的组合。
在一实施例中，如图1、图2所示，所述拼接显示屏100包括：背板101；多个子显示面板102，多个所述子显示面板102位于所述背板101上，每一所述子显示面板102包括第一子面01，所述第一子面01位于所述子显示面板102中远离所述背板101的一侧，所述第一子面01用于显示画面；粘贴层103，所述粘贴层103位于所述背板101和多个所述子显示面板102之间；其中，多个所述第一子面01位于同一平面，多个所述子显示面板102对齐排布构成一显示面板，相邻的两个所述子显示面板102之间具有间隙03，所述粘贴层103至少和多个所述间隙03相对设置，每一所述间隙不大于0.2毫米。
其中，所述子显示面板102可以为但不限于Micro LED(Micro
Light Emitting Diode,微型发光二极管)显示面板，即所述子显示面板102中可以采用在一个芯片上集成的高密度微小尺寸的LED阵列的形式，通过自发光实现画面显示。需要注意的是，可以将每一所述子显示面板102的所述第一子面01朝向平台以将多个所述子显示面板102置于所述平台上，其中，所述平台朝向多个所述子显示面板102一侧的表面可以光滑且连续，以使得多个所述第一子面01位于同一平面，其中，所述平台可以为但不限于大理石平台或者玻璃平台，以较好地贴合多个所述第一子面01。进一步的，所述平台朝向多个所述子显示面板102一侧的表面可以平行于水平面，以降低多个所述子显示面板102和所述平台之间接触的差异，也便于后期对多个所述子显示面板102进行操作。需要注意的是，将每一所述子显示面板102的所述第一子面01朝向所述平台以将多个所述子显示面板102置于所述平台上，还可以实现多个所述第一子面01位于同一平面，因此，多个所述子显示面板102的多个所述第一子面01可以实现无高度差，以提高所述拼接显示屏100的显示质量。
在一实施例中，如图1至图3所示，每一所述子显示面板102还包括和所述第一子面相对设置的第二子面02，每一所述子显示面板102包括：电路部，所述电路部位于所述第二子面02上，所述电路部通过导线电性连接于所述子显示面板102中的膜层；其中，所述电路部位于远离对应的所述间隙03的任意一侧或者多侧。具体的，如图3所示，每一所述子显示面板102可以包括至少一组电路部，每一组所述电路部可以包括一个印制电路板1021和一个覆晶薄膜1022，所述覆晶薄膜1022位于所述印制电路板1021靠近所述子显示面板102的边缘的一侧，所述覆晶薄膜1022和所述导线电性连接，以电性连接所述印制电路板1021和所述子显示面板102中相应的膜层。
需要注意的是，由于所述导线需要经过所述子显示面板102的侧面连接于所述子显示面板102中相应的膜层，和多个所述间隙03相对设置的所述粘贴层103可以会覆盖所述导线，导致所述导线失效。具体的，当所述显示面板包括呈两列或者两行排布的多个所述子显示面板102，且每一所述子显示面板102包括一组所述电路部时，多组所述电路部可以排布于所述显示面板中靠近两长边的区域；具体的，如图3所示，当所述显示面板包括呈“2*2”矩阵排布的四个所述子显示面板102，且所述电路部包括两组所述电路部时，可以将每一所述子显示面板102中的两组所述电路部分别排布于不同于靠近对应的两个所述间隙03的两侧边的另外两侧边附近的区域中。可以理解的，以上实施例可以有效避免所述粘贴层103覆盖所述导线，降低所述导线失效的风险。
具体的，多个所述子显示面板102的数目可以为奇数或者偶数。当多个所述子显示面板102的数目为奇数时，多个所述子显示面板102可以沿着同一方向排布，或者多个所述子显示面板102可以排列为其他的形状；当多个所述子显示面板102的数目为偶数时，多个所述子显示面板102可以沿着同一方向排布，或者多个所述子显示面板102可以排列为矩形，或者多个所述子显示面板102可以排列为其他的形状。需要注意的是，多个所述子显示面板102对齐排布可以理解为：无论多个所述子显示面板102的数目以及排列方式如何，任意相邻的两个所述子显示面板102之间的所述间隙03均相等，其中，所述间隙03可以表示对应的相邻两个所述子显示面板102中相邻两边之间的距离，即相邻两个所述子显示面板102中相邻两边之间的距离可以处处相等。
具体的，可以先将多个所述子显示面板102按照预设形状进行摆放，此时，相邻的两个所述子显示面板102之间具有较大的缝隙，进一步的，可以采用人工手动或机械手将摆放好的多个所述子显示面板102挤压为“无缝状态”，所述“无缝状态”即相邻的两个所述子显示面板102之间具有所述间隙03的状态。进一步的，可以采用辅助固定条以固定和维持多个所述子显示面板102形成的形状的至少一条边，避免多个所述子显示面板102形成的形状改变，以便于后期对多个所述子显示面板102进行操作。需要注意的是，本实施例中的所述拼接显示屏中的每一所述间隙可以实现不大于0.2毫米。可以理解的，所述间隙03的尺寸越小越好，此处认为所述间隙03可以避免降低所述拼接显示屏100的显示质量。
在一实施例中，如图1、图2所示，所述粘贴层103包括：第一粘贴层1031，所述第一粘贴层1031包括多个第一粘贴部10311，多个所述第一粘贴部10311分别和多个所述间隙03相对设置，每一所述第一粘贴部10311连接对应的两个所述子显示面板102，每一所述第一粘贴部10311的宽度大于对应的所述间隙03的尺寸。可以理解的，多个所述子显示面板102对齐排布形成一所述显示面板，所述显示面板包括相对设置的第一表面和第二表面，其中，所述第一表面包括多个所述第一子面01和多个所述间隙03中分别靠近多个所述第一子面01的多个表面，所述第二表面包括多个所述第二子面02和多个所述间隙03中分别靠近多个所述第二子面02的多个表面。具体的，每一所述第一粘贴部10311的宽度大于对应的所述间隙03的尺寸可以理解为，每一所述第一粘贴部10311不仅位于对应的所述间隙03中对应的两个所述第二子面02的表面，而且延伸至对应的两个所述第二子面02上，以连接对应的两个所述子显示面板102。
在一实施例中，所述第一粘贴层1031通过点胶工艺形成。可以理解的，当多个所述子显示面板102处于所述“无缝状态”时，可以多次采用点胶工艺将液态的胶水沿着多个路径分别形成多个所述第一粘贴部10311，与采用双面胶或者其他固体胶对所述第二表面进行操作相比较，这样可以减小对于多个所述子显示面板102的作用力，降低多个所述子显示面板102移位的风险。进一步的，如图1所示，当部分所述间隙03的延长线重合时，可以沿着对应的路径通过点胶工艺形成部分所述间隙03，至于被部分所述间隙03分隔的至少两个所述第一粘贴部10311可以通过点胶工艺形成分别形成，进一步的，可以避免任意相连的两个所述第一粘贴部10311重叠，以避免所述第一粘贴层1031在靠近重叠处的部分断裂。
在一实施例中，所述第一粘贴层1031采用胶水制备。根据上文分析可知，所述第一粘贴层1031需要具有粘性，并且需要通过点胶工艺形成，即所述第一粘贴层1031可以采用液态的、具有粘性的材料制备，包括但不限于胶水。所述胶水也可以理解为将非液态的、具有粘性的材料，进一步的，可以将所述胶水转变为液态的、具有粘性的材料加入至包括但不限于点胶机中，滴落或者涂布于所述显示面板的所述第二表面。具体的，所述胶水的组成材料可以为但不限于UV胶、可剥蓝胶、氟化液。进一步的，当采用点胶工艺在所述显示面板所述第二表面滴落或者涂布对应的材料后，采用UV光照射或者自然风干的方式处理位于所述第二表面上的材料，以形成位于所述第二表面上的材料。
在一实施例中，如图1、图2所示，多个所述子显示面板102对齐排布形成为一所述显示面板，所述粘贴层103还包括：第二粘贴层1032，所述第二粘贴层1032位于所述第一粘贴层1031靠近所述背板101的一侧，所述第二粘贴层1032至少和所述显示面板的边缘区域04相对设置，所述第二粘贴层1032连接多个所述子显示面板102和所述背板101。其中，所述边缘区域04可以为以所述显示面板的边缘为外边界向内部延伸而成的区域，此处对所述边缘区域04的宽度不做限制。可以理解的，所述第二粘贴层1032可以和所述显示面板的边缘区域04相对设置，这样可以将所述背板101的边缘和所述显示面板的边缘粘贴以固定两者，避免浪费材料以及提高粘贴的良率。进一步的，由于所述第二粘贴层1032需要靠近所述显示面板的边缘而设置，此处可以采用粘贴固体胶的方式以形成所述第二粘贴层1032，而不通过点胶工艺形成，避免液态的材料流入到所述显示面板的所述第一表面。
其中，所述第二粘贴层1032的组成材料和所述第一粘贴层1031的组成材料可以不同。进一步的，所述第二粘贴层1032可以为双面胶。可以理解的，由于双面胶在常温下具有固定的形态，可以直接将双面胶粘贴于所述显示面板的所述第二表面上与所述边缘区域04对应的区域，以形成所述第二粘贴层1032。具体的，所述双面胶可以包括相对设置的两粘胶层和位于两个所述粘胶层之间的缓冲层，其中一所述粘胶层将所述显示面板和所述缓冲层粘贴，另一所述粘胶层将所述背板101和所述缓冲层粘贴，所述缓冲层的组成材料可以为但不限于弹性材料，例如，所述双面胶可以为但不限于双面泡棉胶。可以理解的，由于所述第二粘贴层1032形成于所述第一粘贴层1031之后，即所述第二粘贴层1032还可以覆盖于所述第一粘贴层1031的部分区域上。
在一实施例中，结合图1、图2所示，所述拼接显示屏100还包括：加固层，所述加固层位于所述粘贴层103靠近所述背板101的一侧，所述加固层至少和所述粘贴层103相对设置，所述加固层的组成材料包括金属。可以理解的，所述加固层可以进一步支撑所述粘贴层103，降低所述粘贴层103断裂或者脱离的风险。并且，一般需要将所述显示面板竖直放置以进行画面，当所述显示面板中包含的所述子显示面板102的数目较多时，重力作用可能会导致上层的多个所述子显示面板102压迫下层的多个所述子显示面板102以至于所述显示面板中出现松动，而所述加固层可以在增加多个所述子显示面板102在竖直方向受到的摩擦力，从而降低上述风险。进一步的，采用金属制作所述加固层可以增加所述加固层的强度，进一步提高所述加固层的支撑作用。其中，所述加固层可以至少覆盖所述第一粘贴层1031，进一步的，所述加固层还可以覆盖所述第二粘贴层1032，再进一步的，所述加固层可以覆盖所述显示面板的所述第二表面。
在一实施例中，所述背板101远离所述粘贴层103的一侧设有定位孔，所述定位孔用于固定所述拼接显示屏100。可以理解的，当所述拼接显示屏100制作完成后，需要将所述拼接显示屏100固定于支架上以进行画面显示。其中，每一所述背板101远离所述粘贴层103的一侧可以设有至少一所述定位孔。具体的，可以包括但不限于以下实施例：当所述背板101远离所述粘贴层103的一侧设有一所述定位孔时，所述定位孔可以位于所述背板101的中间区域；当所述背板101远离所述粘贴层103的一侧设有两个所述定位孔时，两个所述定位孔可以分别位于所述背板101其中一对角线上的两个顶角区域；当所述背板101远离所述粘贴层103的一侧设有四个所述定位孔时，四个所述定位孔可以分别位于所述背板101的四个顶角区域。可以理解的，在将多个所述第一子面01位于同一平面的基础上，在多个所述子显示面板102上依次设置所述粘贴层103和所述背板101可以避免多个所述子显示面板102分别固定于所述支架上，即可以避免组装公差，直接通过承载多个所述子显示面板102的所述背板101将多个所述子显示面板102固定于所述支架上，在将所述显示面板固定于所述支架上的过程中，不会进一步增加多个所述间隙03的尺寸。
本申请还提供拼接显示屏的制作方法，所述拼接显示屏的制作方法包括但不限于以下实施例以及以下实施例的组合。
在一实施例中，如图4、图5所示，所述拼接显示屏的制作方法包括但不限于以下步骤。
S1，提供多个子显示面板201，每一所述子显示面板201包括相对设置的第一子面05和第二子面06，所述第一子面05用于显示画面。
其中，所述子显示面板201可以为但不限于Micro LED(Micro
Light Emitting Diode,微型发光二极管)显示面板，即所述子显示面板201中可以采用在一个芯片上集成的高密度微小尺寸的LED阵列的形式，通过自发光实现画面显示。
其中，每一所述子显示面板201的所述第二子面06上可以设有印制电路板061和覆晶薄膜062，所述覆晶薄膜062位于所述印制电路板061靠近所述子显示面板201的边缘的一侧，所述覆晶薄膜062连接所述印制电路板061和所述子显示面板201中相应的膜层。进一步的，每一所述子显示面板201的所述第二子面06上可以设有两个所述印制电路板061和两个所述覆晶薄膜062，所述子显示面板201的边缘
S2，将多个所述子显示面板201的多个所述第一子面05置于同一平面。
需要注意的是，可以将每一所述子显示面板201的所述第一子面05朝向平台以将多个所述子显示面板201置于所述平台上，其中，所述平台朝向多个所述子显示面板201一侧的表面可以光滑且连续，以使得多个所述第一子面05位于同一平面，其中，所述平台可以为但不限于大理石平台或者玻璃平台，以较好地贴合多个所述第一子面05。进一步的，所述平台朝向多个所述子显示面板201一侧的表面可以平行于水平面，以降低多个所述子显示面板201和所述平台之间接触的差异，也便于后期对多个所述子显示面板201进行操作。需要注意的是，将每一所述子显示面板201的所述第一子面05朝向所述平台以将多个所述子显示面板201置于所述平台上，可以实现多个所述第一子面05位于同一平面，因此，多个所述子显示面板201的多个所述第一子面05可以实现无高度差，以提高所述拼接显示屏的显示质量。
S3，将多个所述子显示面板201对齐排布构成一显示面板，相邻的两个所述子显示面板201之间具有间隙07，每一所述间隙07不大于0.2毫米。
具体的，多个所述子显示面板201的数目可以为奇数或者偶数。当多个所述子显示面板201的数目为奇数时，多个所述子显示面板201可以沿着同一方向排布，或者多个所述子显示面板201可以排列为其他的形状；当多个所述子显示面板201的数目为偶数时，多个所述子显示面板201可以沿着同一方向排布，或者多个所述子显示面板201可以排列为矩形，或者多个所述子显示面板201可以排列为其他的形状。需要注意的是，多个所述子显示面板201对齐排布可以理解为：无论多个所述子显示面板201的数目以及排列方式如何，任意相邻的两个所述子显示面板201之间的所述间隙07均相等，其中，所述间隙07可以表示对应的相邻两个所述子显示面板201中相邻两边之间的距离，即相邻两个所述子显示面板201中相邻两边之间的距离可以处处相等。
可以理解的，所述间隙07的尺寸越小越好，此处认为所述间隙07可以避免降低所述拼接显示屏的显示质量。具体的，可以先将多个所述子显示面板201按照预设形状进行摆放，此时，相邻的两个所述子显示面板201之间具有较大的缝隙，进一步的，可以采用人工手动或机械手将摆放好的多个所述子显示面板201挤压为“无缝状态”，所述“无缝状态”即相邻的两个所述子显示面板201之间具有所述间隙07的状态。进一步的，可以采用辅助固定条以固定和维持多个所述子显示面板201形成的形状的至少一条边，避免多个所述子显示面板201形成的形状改变，以便于后期对多个所述子显示面板201进行操作。
S4，在多个所述子显示面板201的多个所述第二子面06上形成粘贴层，所述粘贴层至少覆盖多个所述间隙07。
在一实施例中，如图4、图6所示，所述步骤S4包括但不限于以下步骤。
S401，在多个所述子显示面板201的多个所述第二子面06上形成第一粘贴层2021，所述第一粘贴层2021包括多个第一粘贴部20211，多个所述第一粘贴部20211分别覆盖对应的多个所述间隙07，每一所述第一粘贴部20211连接对应的两个所述子显示面板201，每一所述第一粘贴部20211的宽度大于对应的所述间隙07的尺寸。
可以理解的，多个所述子显示面板201对齐排布形成一显示面板，所述显示面板包括相对设置的第一表面和第二表面，其中，所述第一表面包括多个所述第一子面05和多个所述间隙07中分别靠近多个所述第一子面05的多个表面，所述第二表面包括多个所述第二子面06和多个所述间隙07中分别靠近多个所述第二子面06的多个表面。具体的，每一所述第一粘贴部20211的宽度大于对应的所述间隙07的尺寸可以理解为，每一所述第一粘贴部20211不仅位于对应的所述间隙07中对应的两个所述第二子面06的表面，而且延伸至对应的两个所述第二子面06上，以连接对应的两个所述子显示面板201。
其中，所述第一粘贴层2021可以通过点胶工艺形成，具体可以参考上文的相关描述；所述第一粘贴层2021可以采用胶水制备，具体可以参考上文的相关描述。
S402，在所述第一粘贴层2021上形成第二粘贴层2022，所述第二粘贴层2022至少覆盖所述显示面板的边缘区域，所述第二粘贴层2022的组成材料和所述第一粘贴层2021的组成材料不同。
其中，所述边缘区域可以为以所述显示面板的边缘为外边界向内部延伸而成的区域，此处对所述边缘区域的宽度不做限制。进一步的，所述第二粘贴层2022可以为双面胶，具体可以参考上文的相关描述。
S5，在所述粘贴层上形成背板203，所述背板203覆盖多个所述子显示面板201。
可以理解的，所述第二粘贴层2022可以和所述显示面板的边缘区域相对设置，这样可以将所述背板203的边缘和所述显示面板的边缘粘贴以固定两者，避免浪费材料以及提高粘贴的良率。进一步的，由于所述第二粘贴层2022需要靠近所述显示面板的边缘而设置，此处可以采用粘贴固体胶的方式以形成所述第二粘贴层2022，而不通过点胶工艺形成，避免液态的材料流入到所述显示面板的所述第一表面。
进一步的，可以在所述背板203远离所述粘贴层的一侧设有定位孔，所述定位孔用于将所述拼接显示屏100固定于支架上。可以理解的，当所述拼接显示屏制作完成后，需要将所述拼接显示屏固定于所述支架上以进行画面显示。其中，每一所述背板203远离所述粘贴层的一侧可以设有至少一所述定位孔。具体的，可以包括但不限于以下实施例：当所述背板203远离所述粘贴层的一侧设有一所述定位孔时，所述定位孔可以位于所述背板的中间区域；当所述背板203远离所述粘贴层103的一侧设有两个所述定位孔时，两个所述定位孔可以分别位于所述背板203其中一对角线上的两个顶角区域；当所述背板203远离所述粘贴层的一侧设有四个所述定位孔时，四个所述定位孔可以分别位于所述背板203的四个顶角区域。可以理解的，在将多个所述第一子面05位于同一平面的基础上，在多个所述子显示面板201上依次设置所述粘贴层所述背板203可以避免多个所述子显示面板201分别固定于所述支架上，即可以避免组装公差，直接通过承载多个所述子显示面板201的所述背板203将多个所述子显示面板201固定于所述支架上，在将所述显示面板固定于所述支架上的过程中，不会进一步增加多个所述间隙07的尺寸。
在一实施例中，在所述步骤S5之前包括但不限于以下步骤：在所述粘贴层上形成加固层，所述加固层至少和所述粘贴层相对设置，所述加固层的组成材料包括金属。
可以理解的，所述加固层可以进一步支撑所述粘贴层，降低所述粘贴层断裂或者脱离的风险。并且，一般需要将所述显示面板竖直放置以进行画面，当所述显示面板中包含的所述子显示面板201的数目较多时，重力作用可能会导致上层的多个所述子显示面板201压迫下层的多个所述子显示面板201以至于所述显示面板中出现松动，而所述加固层可以在增加多个所述子显示面板201在竖直方向受到的摩擦力，从而降低上述风险。进一步的，采用金属制作所述加固层可以增加所述加固层的强度，进一步提高所述加固层的支撑作用。其中，所述加固层可以至少覆盖所述第一粘贴层2021，进一步的，所述加固层还可以覆盖所述第二粘贴层2022，再进一步的，所述加固层可以覆盖所述显示面板的所述第二表面。
本申请提供了拼接显示屏及其制作方法，拼接显示屏包括：背板、多个子显示面板和粘贴层，本申请将多个所述子显示面板设于所述背板上，每一所述子显示面板包括用于显示画面的第一子面，本申请多个所述第一子面设于所述子显示面板中远离所述背板的一侧，且将多个所述第一子面设于同一平面，进一步的，本申请在所述背板和多个所述子显示面板之间设置粘贴层，且所述粘贴层至少和每相邻的两个子显示面板之间的间隙相对设置，以连接每相邻的两个子显示面板，并且将多个子显示面板固定于背板上，以此减少相邻的两个子显示面板之间的缝隙和高度差，最终使得每一所述间隙可以不大于0.2毫米，使得每一所述高度差可以不大于0.2毫米，以实现无缝式的观看效果，以提高拼接显示屏的显示质量。
以上对本申请实施例所提供的拼接显示屏及其制作方法进行了详细介绍，本文中应用了具体个例对本申请的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本申请的技术方案及其核心思想；本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例的技术方案的范围。
Claims (16)
- 一种拼接显示屏，其中，包括：背板；多个子显示面板，多个所述子显示面板位于所述背板上，每一所述子显示面板包括相对设置的第一子面和第二子面，所述第一子面位于所述子显示面板中远离所述背板的一侧，所述第一子面用于显示画面；粘贴层，所述粘贴层位于所述背板和多个所述子显示面板之间；其中，多个所述第一子面位于同一平面，多个所述子显示面板对齐排布构成一显示面板，相邻的两个所述子显示面板之间具有间隙，所述粘贴层至少和多个所述间隙相对设置，每一所述间隙不大于0.2毫米，所述粘贴层和多个所述间隙相对设置的部分通过点胶工艺形成；其中，每一所述子显示面板的所述第二子面上设有电路部，所述电路部通过导线电性连接于所述子显示面板中的膜层，所述电路部位于远离对应的所述间隙的任意一侧或者多侧。
- 如权利要求1所述的拼接显示屏，其中，所述粘贴层包括：第一粘贴层，所述第一粘贴层包括多个第一粘贴部，多个所述第一粘贴部分别和多个所述间隙相对设置，每一所述第一粘贴部连接对应的两个所述子显示面板，每一所述第一粘贴部的宽度大于对应的所述间隙的尺寸。
- 如权利要求2所述的拼接显示屏，其中，所述第一粘贴层通过点胶工艺形成。
- 如权利要求2所述的拼接显示屏，其中，所述粘贴层还包括：第二粘贴层，所述第二粘贴层位于所述第一粘贴层靠近所述背板的一侧，所述第二粘贴层至少和所述显示面板的边缘区域相对设置，所述第二粘贴层连接多个所述子显示面板和所述背板。
- 如权利要求1所述的拼接显示屏，其中，还包括：加固层，所述加固层位于所述粘贴层靠近所述背板的一侧，所述加固层至少和所述粘贴层相对设置，所述加固层的组成材料包括金属。
- 如权利要求1所述的拼接显示屏，其中，所述背板远离所述粘贴层的一侧设有定位孔，所述定位孔用于固定所述拼接显示屏。
- 一种拼接显示屏，其中，包括：背板；多个子显示面板，多个所述子显示面板位于所述背板上，每一所述子显示面板包括第一子面，所述第一子面位于所述子显示面板中远离所述背板的一侧，所述第一子面用于显示画面；粘贴层，所述粘贴层位于所述背板和多个所述子显示面板之间；其中，多个所述第一子面位于同一平面，多个所述子显示面板对齐排布构成一显示面板，相邻的两个所述子显示面板之间具有间隙，所述粘贴层至少和多个所述间隙相对设置，每一所述间隙不大于0.2毫米。
- 如权利要求7所述的拼接显示屏，其中，所述粘贴层包括：第一粘贴层，所述第一粘贴层包括多个第一粘贴部，多个所述第一粘贴部分别和多个所述间隙相对设置，每一所述第一粘贴部连接对应的两个所述子显示面板，每一所述第一粘贴部的宽度大于对应的所述间隙的尺寸。
- 如权利要求8所述的拼接显示屏，其中，所述第一粘贴层通过点胶工艺形成。
- 如权利要求8所述的拼接显示屏，其中，所述粘贴层还包括：第二粘贴层，所述第二粘贴层位于所述第一粘贴层靠近所述背板的一侧，所述第二粘贴层至少和所述显示面板的边缘区域相对设置，所述第二粘贴层连接多个所述子显示面板和所述背板。
- 如权利要求7所述的拼接显示屏，其中，还包括：加固层，所述加固层位于所述粘贴层靠近所述背板的一侧，所述加固层至少和所述粘贴层相对设置，所述加固层的组成材料包括金属。
- 如权利要求7所述的拼接显示屏，其中，所述背板远离所述粘贴层的一侧设有定位孔，所述定位孔用于固定所述拼接显示屏。
- 如权利要求7所述的拼接显示屏，其中，每一所述子显示面板还包括和所述第一子面相对设置的第二子面，每一所述子显示面板包括：电路部，所述电路部位于所述第二子面上，所述电路部通过导线电性连接于所述子显示面板中的膜层；其中，所述电路部位于远离对应的所述间隙的任意一侧或者多侧。
- 一种拼接显示屏的制作方法，其中，包括：提供多个子显示面板，每一所述子显示面板包括相对设置的第一子面和第二子面，所述第一子面用于显示画面；将多个所述子显示面板的多个所述第一子面置于同一平面；将多个所述子显示面板对齐排布构成一显示面板，相邻的两个所述子显示面板之间具有间隙；在多个所述子显示面板的多个所述第二子面上形成粘贴层，所述粘贴层至少覆盖多个所述间隙，每一所述间隙不大于0.2毫米；在所述粘贴层上形成背板，所述背板覆盖多个所述子显示面板。
- 如权利要求14所述的拼接显示屏的制作方法，其中，所述在多个所述子显示面板的多个所述第二子面上设置粘贴层，所述粘贴层至少覆盖多个所述间隙的步骤包括：在多个所述子显示面板的多个所述第二子面上形成第一粘贴层，所述第一粘贴层包括多个第一粘贴部，多个所述第一粘贴部分别覆盖对应的多个所述间隙，每一所述第一粘贴部连接对应的两个所述子显示面板，每一所述第一粘贴层的宽度大于对应的所述间隙的尺寸；在所述第一粘贴层上形成第二粘贴层，所述第二粘贴层至少覆盖所述显示面板的边缘区域，所述第二粘贴层的组成材料和所述第一粘贴层的组成材料不同。
- 如权利要求14所述的拼接显示屏的制作方法，其中，所述在所述粘贴层上形成背板，所述背板覆盖多个所述子显示面板的步骤之前包括：在所述粘贴层上形成加固层，所述加固层至少和所述粘贴层相对设置，所述加固层的组成材料包括金属。
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2021
- 2021-04-16 CN CN202110408930.0A patent/CN113112925B/zh active Active
- 2021-04-30 WO PCT/CN2021/091272 patent/WO2022217662A1/zh active Application Filing
- 2021-04-30 US US17/298,526 patent/US11991841B2/en active Active
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| CN107742480A (zh) * | 2017-10-30 | 2018-02-27 | 武汉华星光电技术有限公司 | 拼接显示装置 |
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| Publication number | Publication date |
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| CN113112925A (zh) | 2021-07-13 |
| US20230300994A1 (en) | 2023-09-21 |
| US11991841B2 (en) | 2024-05-21 |
| CN113112925B (zh) | 2022-04-26 |
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