CN112270889A - Apparatus for manufacturing display device, method of manufacturing display device - Google Patents
Apparatus for manufacturing display device, method of manufacturing display device Download PDFInfo
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- CN112270889A CN112270889A CN202011164131.5A CN202011164131A CN112270889A CN 112270889 A CN112270889 A CN 112270889A CN 202011164131 A CN202011164131 A CN 202011164131A CN 112270889 A CN112270889 A CN 112270889A
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- 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
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Abstract
The invention discloses equipment for preparing a display device and a preparation method of the display device. The display device comprises a plurality of laminated flexible structures, and the equipment comprises: a securing structure for securing an edge of the flexible membrane; the fixture comprises a support and a jig, wherein the support is provided with a plane area and a bending area, and the jig comprises a groove matched with the shape of the support; the support piece is used for extruding the flexible structure to be attached on the flexible film, so that the flexible film is attached to the jig, and the flexible structure to be attached is attached to the support piece or the attached flexible structure. The embodiment of the invention can reduce the cost for preparing the curved surface display device.
Description
Technical Field
The embodiment of the invention relates to a display technology, in particular to equipment for preparing a display device and a preparation method of the display device.
Background
With the development of display technology, the display device has more and more functions and more extensive applications, and the display device gradually develops from a flat display device to a four-side curved display device through curved surface (long edge bending) and right-angle bending.
However, in the conventional manufacturing method of the display device, for the curved display device, especially for the display device with four curved surfaces, the manufacturing equipment is complicated, so that the manufacturing cost is high.
Disclosure of Invention
The invention provides equipment for preparing a display device and a preparation method of the display device, which aim to reduce the cost for preparing a curved surface display device.
In a first aspect, embodiments of the present invention provide an apparatus for manufacturing a display device, where the display device includes a plurality of attached flexible structures, the apparatus including: a securing structure for securing an edge of the flexible membrane; the fixture comprises a support and a jig, wherein the support is provided with a plane area and a bending area, and the jig comprises a groove matched with the shape of the support; the support piece is used for extruding the flexible structure to be attached on the flexible film, so that the flexible film is attached to the jig, and the flexible structure to be attached is attached to the support piece or the attached flexible structure.
Optionally, the jig is an adsorption jig, and the adsorption jig is used for adsorbing the flexible film and the flexible film on the surface of the groove.
Optionally, the adsorption jig is an electrostatic chuck.
Optionally, the jig is a flexible jig.
Optionally, the recess is configured to be able to accommodate the display device.
Optionally, the bending region of the support member surrounds the planar region.
Optionally, the flexible structure includes a display panel, a polarizer, an optical cement, or a flexible cover plate.
In a second aspect, embodiments of the present invention further provide a method for manufacturing a display device, where the display device includes a plurality of attached flexible structures, the method includes:
securing an edge of the flexible membrane;
placing a flexible structure to be laminated on the flexible film;
extruding the flexible structure to be attached by using a support piece to attach the flexible film to a jig, and attaching the flexible structure to be attached to the support piece or the attached flexible structure, wherein the support piece comprises a plane area and a bending area, and the jig comprises a groove matched with the support piece in shape;
and removing the flexible film.
Optionally, the jig is an adsorption jig;
the method for pressing the flexible structure to be attached by using the supporting piece further comprises the following steps:
the adsorption type jig adsorbs the flexible film and the flexible structure on the surface of the groove.
Optionally, the flexible membrane is a UV-vis membrane.
According to the technical scheme of the embodiment of the invention, the adopted equipment for preparing the display device comprises a fixing structure, wherein the fixing structure is used for fixing the edge of the flexible film; the fixture comprises a support piece and a jig, wherein the support piece is provided with a plane area and a bending area, and the jig comprises a groove matched with the shape of the support piece; the support piece is used for extruding the flexible structure to be attached on the flexible film so as to attach the flexible film to the jig and attach the flexible structure to be attached to the support piece or the attached flexible structure. The shape of the support piece matched with the display device to be formed and the corresponding jig are only required to be prepared, and if the display device with four curved surfaces is required to be prepared, the support piece with four curved surfaces and the corresponding jig are only required to be prepared, so that the preparation difficulty of the curved surface display device is greatly reduced, and the preparation cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus for manufacturing a display device according to an embodiment of the present invention;
fig. 2 to fig. 3 are schematic structural diagrams of an apparatus for manufacturing a display device according to an embodiment of the present invention when the display device is manufactured;
FIG. 4 is a top view of the support member of FIG. 1;
fig. 5 is a flowchart of a method for manufacturing a display device according to an embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic structural view of an apparatus for manufacturing a display device according to an embodiment of the present invention, and fig. 2 to 3 are schematic structural views of an apparatus for manufacturing a display device according to an embodiment of the present invention when manufacturing a display device, and referring to fig. 1 to 3, the apparatus for manufacturing a display device includes: a fixing structure 101, the fixing structure 101 being used for fixing the edge of the flexible film 102; the fixture comprises a support 103 and a jig 104, wherein the support 103 is provided with a plane area P and a bending area W, and the jig 104 comprises a groove 1041 matched with the shape of the support 103; the supporting member 103 is used for pressing the flexible structure to be attached on the flexible film 102, so as to attach the flexible film 102 to the jig 104, and attach the flexible structure to be attached to the supporting member 103 or the attached flexible structure.
Specifically, the fixing structure 101 may be, for example, a clamp, which can fix an edge of the flexible film 102, the flexible film 102 can provide a supporting platform for the flexible structure to be attached, the flexible film 102 can also deform, when the support member 103 presses the flexible structure, the edge of the flexible film 102 is fixed, and the middle portion deforms, so that the flexible film covers the flexible structure to be attached, and the flexible structure is attached to the support member 103. In this embodiment, for example, the first flexible structure 201 needs to be attached to the supporting member 103 to mold the first flexible structure 201, so that the first flexible structure 201 has the same plane area and bending area as the supporting member 103. The support 103 may be, for example, SUS (Steel for Stainless Steel) for shaping the flexible structure to be attached, which may include a planar region P and a bending region W, so that the corresponding planar region and bending region are also formed after the flexible structure is attached to the support 103. During fitting, for example, the support 103 may be located above the jig 104, the support 103 is pressed downward, the planar region P of the support 103 first contacts with the first flexible structure 201, and then the first flexible structure 201 is fitted to the bending region W of the support 103 along with deformation of the flexible film 102, but there may be air bubbles between the first flexible structure 201 and the support 103, and the jig 104 may be fixed with respect to the support 103 by co-extrusion of the support 103 and the jig 104, and since the shape of the groove 1041 is matched with the shape of the support 103, the first flexible structure 201 can be tightly fitted to the support 103; finally, the flexible film is removed, and the first flexible structure 201 after being molded can be obtained, and similarly, the second flexible structure can be attached to the first flexible structure in the same manner, at this time, because the first flexible structure 201 is already attached to the supporting member, when the supporting member 103 is used for extruding the second flexible structure, the meaning of the second flexible structure is that the supporting member 103 and the integral structure of the first flexible structure 201 jointly extrude the second flexible structure, and the second flexible structure is finally attached to the first flexible structure, and finally the display device is prepared.
It should be noted that, in the present embodiment, the shape of the recess 1041 is matched with the shape of the support 103, which means that the shape of the recess 1041 is the same as the shape of the support 103, and the size is slightly larger than the size of the support 103, so that the support 103 can still be pressed into the recess after being attached to the flexible structure. The support 103 may also be fixedly connected to the jig.
According to the technical scheme of the embodiment, the adopted equipment for preparing the display device comprises a fixing structure, wherein the fixing structure is used for fixing the edge of the flexible film; the fixture comprises a support piece and a jig, wherein the support piece is provided with a plane area and a bending area, and the jig comprises a groove matched with the shape of the support piece; the support piece is used for extruding the flexible structure to be attached on the flexible film so as to attach the flexible film to the jig and attach the flexible structure to be attached to the support piece or the attached flexible structure. The shape of the support piece matched with the display device to be formed and the corresponding jig are only required to be prepared, and if the display device with four curved surfaces is required to be prepared, the support piece with four curved surfaces and the corresponding jig are only required to be prepared, so that the preparation difficulty of the curved surface display device is greatly reduced, and the preparation cost is reduced.
Optionally, the jig is an adsorption jig, and the adsorption jig is used for adsorbing the flexible film 102 on the surface of the groove.
Specifically, the adsorption jig can pre-attach the flexible film to the groove, so that the difficulty of subsequent attaching and extrusion is reduced, and the process time is saved. When the flexible structure is placed on the flexible membrane and placed on the adsorption type jig, the adsorption type jig can adsorb the flexible membrane on the groove at first, the probability that the bubbles generate can be reduced, and the effect of shielding the bubbles is better.
Illustratively, the suction jig is an electrostatic Chuck (ESC). The electrostatic chuck can utilize electrostatic attraction to adsorb the flexible membrane and the flexible structure to be laminated, so that the flexible membrane can be pre-laminated with the groove. And the cost of the electrostatic chuck is lower, which is beneficial to further reducing the cost of equipment for preparing the display device.
Optionally, the jig 104 is a flexible jig.
Specifically, if the jig 104 is a rigid jig, when the flexible film is attached to the rigid jig by pressing the flexible structure with the support 103, the rigid jig has a high hardness, and the flexible structure may be damaged when the pressing force is too large, thereby reducing the yield of the display device. In this embodiment, the jig 104 is a flexible jig, which can be slightly deformed, for example, the hardness range of the flexible jig is 15-20, and when the extrusion force is too large, the flexible jig can provide a buffer for the flexible film and the flexible structure, so as to avoid damaging the flexible structure and improve the yield of manufacturing the display device. The flexible fixture may be made of rubber, and it is understood that a support table may be disposed below the flexible fixture to support the flexible fixture. The arc radius range of the edge of the groove of the flexible jig can be R5-R7, so that the applicability is improved.
Optionally, the groove 1041 is configured to accommodate the display device, and thus, by setting, each flexible structure in the display device can be completely attached to the support member or the attached flexible structure, and it is avoided that a part of the flexible structure is located outside the groove and cannot be closely attached to the support member or the attached flexible structure, that is, a phenomenon of poor attachment between the flexible structures can be avoided, so that yield of the display device is further improved.
Optionally, the inflection region of the support member surrounds the planar region.
Specifically, as shown in fig. 4, fig. 4 is a top view of the supporting element in fig. 1, the periphery of the plane area P of the supporting element 103 is a bending area W, that is, the supporting element 103 is a supporting element with a four-curved-surface structure, and after the flexible structure is correspondingly molded, the flexible structure with the four-curved-surface shape is also formed, and finally, the display device with the four-curved-surface shape is formed.
Optionally, the flexible structure comprises a display panel, a polarizer, an optical glue or a flexible cover plate.
Specifically, the display device may include a display panel, a polarizer POL, an optical adhesive OCA, and a flexible Cover plate (Cover film) stacked in sequence, where the display panel may be an OLED (Organic Light Emitting Diode) display panel, which may include an array substrate and a Light Emitting element on the array substrate, the array substrate may include a substrate, an active layer, a gate insulating layer, a gate layer, an interlayer insulating layer, a source drain electrode layer, a planarization layer, and the like stacked in sequence, where the substrate may be a polyimide PI, and the active layer, the gate insulating layer, the gate layer, the interlayer insulating layer, and the source drain electrode layer may form various transistor structures in a pixel driving circuit, such as a switching transistor or a driving transistor; the light-emitting element can comprise an anode layer, a hole injection layer, a hole transmission layer, an electron blocking layer, a light-emitting layer, a hole blocking layer, an electron transmission layer, an electron injection layer and a cathode layer which are sequentially stacked, wherein the light-emitting principle is that holes generated by the anode layer and electrons generated by the cathode layer are combined in the light-emitting layer to generate excitons, the excitons are unstable and are transited to radiate light energy outwards. When the display panel is prepared, the display panel can be firstly used as a flexible structure to be attached, the display panel is attached to the supporting piece, then the polaroid is used as the flexible structure to be attached, the polaroid is attached to the display panel, the optical cement and the flexible cover plate are sequentially attached, and finally the display device is formed.
An embodiment of the present invention further provides a method for manufacturing a display device, as shown in fig. 5, fig. 5 is a flowchart of the method for manufacturing the display device according to the embodiment of the present invention, where the method includes:
step S301, fixing the edge of the flexible film;
in particular, the edge of the flexible membrane may be fixed, for example with a clamp, such that the edge of the flexible membrane no longer moves.
Step S302, placing a flexible structure to be attached on a flexible film;
in particular, the flexible structure may be placed on the fixed flexible membrane manually or mechanically.
Step S303, extruding the flexible structure to be jointed by using a support piece to joint the flexible film with a jig, and jointing the flexible structure to be jointed with the support piece or the jointed flexible structure, wherein the support piece comprises a plane area and a bending area, and the jig comprises a groove matched with the shape of the support piece;
specifically, the flexible structure to be attached may be, for example, a display panel, a polarizer, an optical adhesive, a flexible cover plate, or the like. If the flexible structure to be attached is a display panel, the display panel can be attached to the support member, for example, the jig is arranged below the support member, the flexible film and the flexible structure to be attached are positioned between the support member and the jig, and the flexible structure to be attached is arranged on one side of the flexible film close to the support member; pressing the supporting piece downwards, wherein the plane area of the supporting piece is firstly attached to a flexible structure (such as a display panel) to be attached, and when the supporting piece is pressed downwards continuously, the flexible film deforms, so that the display panel is attached to the bending area of the supporting piece; when the supporting piece is further pressed downwards, the flexible film is attached to the groove of the jig, the display panel is closely attached to the supporting piece under the common extrusion of the jig and the supporting piece, the display panel is molded by the supporting piece at the moment, and a plane area and a corresponding bending area are also formed. After the display panel is attached to the supporting piece, the polaroid is required to be attached to the display panel, a flexible film can be fixed again at the moment, the polaroid is placed on the flexible film, then the polaroid is extruded by the supporting piece attached to the display panel, the polaroid is attached to the display panel, the molding of the polaroid and the attachment of the polaroid and the display panel are completed, then the optical cement and the flexible cover plate are sequentially attached in the same mode, and finally the display device is formed.
Step S304, removing the flexible film.
Specifically, after the flexible structure to be attached and the support member or the attached flexible structure are attached, the flexible film needs to be removed, so that the flexible structure can be attached continuously.
In the technical solution of this embodiment, the method for manufacturing the display device includes: securing an edge of the flexible membrane; placing a flexible structure to be attached on a flexible film; the flexible structure to be attached is extruded by the support piece so that the flexible film is attached to the jig, the flexible structure to be attached is attached to the support piece or the attached flexible structure, the support piece comprises a plane area and a bending area, and the jig comprises a groove matched with the shape of the support piece. The display device with the specific shape can be simply and conveniently prepared by only preparing the supporting piece matched with the shape of the display device to be formed and the corresponding jig through a cumbersome method, and if the display device with the four curved surfaces is required to be prepared, only the supporting piece with the four curved surfaces and the corresponding jig are required to be prepared, and then the flexible structure to be attached is extruded by adopting the method provided by the embodiment of the invention, so that the preparation difficulty of the curved surface display device is greatly reduced, and the preparation cost is reduced.
Optionally, the jig is an adsorption jig; the method for pressing the flexible structure to be attached by using the support further comprises the following steps: the adsorption type jig adsorbs the flexible film and the flexible structure on the surface of the groove.
Specifically, the adsorption jig can pre-attach the flexible film to the groove, so that the difficulty of subsequent attaching and extrusion is reduced, and the process time is saved. When the flexible structure is placed on the flexible membrane and placed on the adsorption type jig, the adsorption type jig can adsorb the flexible membrane on the groove at first, the probability that the bubbles generate can be reduced, and the effect of shielding the bubbles is better.
Optionally, the flexible membrane is a UV-vis membrane.
Specifically, the UV anti-adhesive film can rapidly lose adhesiveness under the UV illumination condition, so after the flexible structure is attached to the support member or the attached flexible structure, UV illumination can be adopted, the flexible film can be detached from the flexible structure and the jig by using a non-contact mode, only the flexible structure is fixed on the support member or the attached flexible structure, and when the support member is prevented from being separated from the jig, the flexible structure is detached from the support member or the attached flexible structure, and the yield of display device preparation is improved.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. An apparatus for making a display device comprising a plurality of conformable, flexible structures, the apparatus comprising:
a securing structure for securing an edge of the flexible membrane;
the fixture comprises a support and a jig, wherein the support is provided with a plane area and a bending area, and the jig comprises a groove matched with the shape of the support;
the support piece is used for extruding the flexible structure to be attached on the flexible film, so that the flexible film is attached to the jig, and the flexible structure to be attached is attached to the support piece or the attached flexible structure.
2. The apparatus of claim 1, wherein the fixture is a suction fixture for sucking the flexible film and the flexible film to the surface of the groove.
3. The apparatus of claim 2, wherein the suction fixture is an electrostatic chuck.
4. The apparatus of claim 1, wherein the jig is a flexible jig.
5. The apparatus of claim 1, wherein the recess is configured to receive the display device.
6. The apparatus of claim 1, wherein the support member has a bend region that surrounds the planar region.
7. The apparatus of claim 1, wherein the flexible structure comprises a display panel, a polarizer, an optical glue, or a flexible cover sheet.
8. A method of making a display device comprising a plurality of conformable, flexible structures, the method comprising:
securing an edge of the flexible membrane;
placing a flexible structure to be laminated on the flexible film;
extruding the flexible structure to be attached by using a support piece to attach the flexible film to a jig, and attaching the flexible structure to be attached to the support piece or the attached flexible structure, wherein the support piece comprises a plane area and a bending area, and the jig comprises a groove matched with the support piece in shape;
and removing the flexible film.
9. The method of claim 8, wherein the jig is a suction jig;
the method for pressing the flexible structure to be attached by using the supporting piece further comprises the following steps:
the adsorption type jig adsorbs the flexible film and the flexible structure on the surface of the groove.
10. The method of claim 8, wherein the flexible membrane is a UV-vis membrane.
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| CN202011164131.5A CN112270889B (en) | 2020-10-27 | 2020-10-27 | Equipment for manufacturing display device and method for manufacturing display device |
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| CN202011164131.5A CN112270889B (en) | 2020-10-27 | 2020-10-27 | Equipment for manufacturing display device and method for manufacturing display device |
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Cited By (1)
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| CN112270889B (en) | 2022-11-11 |
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