CN210052447U - Flexible display panel assembly and display device - Google Patents
Flexible display panel assembly and display device Download PDFInfo
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- CN210052447U CN210052447U CN201920838364.5U CN201920838364U CN210052447U CN 210052447 U CN210052447 U CN 210052447U CN 201920838364 U CN201920838364 U CN 201920838364U CN 210052447 U CN210052447 U CN 210052447U
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Abstract
A flexible display panel assembly comprises a flexible display panel, a flexible display panel substrate, a flexible limiting piece and a flexible driving chip module, wherein the flexible display panel and the flexible limiting piece are respectively and fixedly connected to opposite surfaces of the flexible display panel substrate; the flexible driving chip module is movably connected to the flexible limiting part and can move in the length direction of the flexible limiting part; the flexible display panel substrate is electrically connected with the flexible driving chip module and the flexible display panel. The utility model also provides a display device, including above-mentioned flexible display panel subassembly. The utility model provides a flexible display panel subassembly and display device can realize whole flexibility, and can guarantee that flexible display panel subassembly still has good electrical property after buckling many times.
Description
Technical Field
The utility model relates to a show technical field, especially relate to a flexible display panel subassembly and display device.
Background
With the continuous progress of science and technology, the flexible display market develops rapidly. No matter the international panel manufacturer or the smart phone manufacturer, the flexible screen is preempted and acted. The flexible screen is adopted in the folding screen mobile phone in the future mobile phone development direction. OLEDs are thin and can be mounted on flexible materials such as plastic or metal foils.
At present, the structure of the flexible display panel is generally that the flexible display panel and the peripheral display circuit board at two ends are respectively connected through a display driving chip. The display driving chip can be bent inwards relative to the flexible panel by means of the flexible circuit board, the screen ratio of the flexible display panel is increased to a certain extent, and the display driving chip is gradually developed towards a comprehensive screen.
However, since the driving chip is still rigid and hard, the flexible display panel is not suitable for the increasing requirements of folding flexible screens or bending according to a certain curvature radius, and the flexible development of the display panel is severely restricted.
The foregoing description is provided for general background information and is not admitted to be prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexible display panel subassembly and display device that can whole flexibilize.
The utility model provides a flexible display panel assembly, which comprises a flexible display panel, a flexible display panel substrate, a flexible locating part and a flexible driving chip module, wherein the flexible display panel and the flexible locating part are fixedly connected with the opposite surface of the flexible display panel substrate; the flexible driving chip module is movably connected to the flexible limiting part and can move in the length direction of the flexible limiting part; the flexible display panel substrate is electrically connected with the flexible driving chip module and the flexible display panel.
Furthermore, the flexible limiting part is provided with a limiting groove which is communicated along the length direction of the flexible limiting part, and the flexible driving chip module is embedded in the limiting groove and can move along the length direction of the flexible driving chip module relative to the limiting groove.
Furthermore, the number of the flexible limiting pieces is one, and the length of the flexible limiting pieces is greater than half of the length of the flexible driving chip module.
Furthermore, the number of the flexible limiting parts is two, the two flexible limiting parts are arranged side by side, and the groove openings of the two limiting grooves are opposite.
Furthermore, the flexible driving chip module comprises a flexible driving chip, an anisotropic conductive film and a flexible connection substrate, wherein the flexible driving chip is electrically connected with the flexible connection substrate through the anisotropic conductive film.
Furthermore, the flexible limiting part is fixed on the flexible display panel substrate through a double-sided flexible adhesive film.
Furthermore, the flexible connection substrate is embedded in the flexible limiting member, and the flexible connection substrate is parallel to the flexible display panel substrate.
Furthermore, the flexible driving chip is provided with a connecting bump facing the flexible connecting substrate, and the electrical connection between the flexible driving chip and the flexible connecting substrate is realized through the connecting bump, the conductive particles in the anisotropic conductive adhesive film and the connecting disc of the flexible connecting substrate
Furthermore, the flexible display panel further comprises a peripheral circuit board, and in the length direction of the flexible limiting part, two ends of the flexible driving chip module are respectively electrically connected with the peripheral circuit board and the flexible display panel substrate.
The utility model also provides a display device, include as above flexible display panel subassembly.
The utility model provides a flexible display panel subassembly replaces the driver chip of current rigidity, stereoplasm through adopting flexible driver chip module to can realize whole flexibility. And adopt flexible drive chip module swing joint in flexible locating part, flexible drive chip module is portable on the length direction of flexible locating part for flexible drive chip module can move relative flexible locating part when buckling, avoids flexible drive chip module and flexible display panel base plate to break away from when buckling, thereby can guarantee that flexible display panel subassembly still has good electrical properties after buckling many times.
Drawings
Fig. 1 is a front view of a flexible display panel assembly according to an embodiment of the present invention.
Fig. 2 is a bottom view of the flexible display panel assembly shown in fig. 1.
Fig. 3 is a side view of the flexible display panel assembly (with a peripheral circuit board omitted) shown in fig. 1.
Fig. 4 is a side view of a flexible stopper in the flexible display panel assembly shown in fig. 1.
Fig. 5 is a front view of the flexible stop of fig. 4.
Fig. 6 is a side view of a flexible display panel assembly (with a peripheral circuit board omitted) according to another embodiment of the present invention.
Fig. 7 is a schematic view of a flexible driving chip module in the flexible display panel assembly shown in fig. 1.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to fig. 3, in the present embodiment, the flexible display panel assembly includes a flexible display panel 1 (such as an OLED), a flexible display panel substrate 2 (made of flexible transparent plastic, glass or metal foil, etc.), a flexible limiting member 3, a flexible driving chip module 4, and a peripheral circuit board 5. The flexible display panel 1 and the flexible limiting member 3 are respectively and fixedly connected to the opposite surfaces of the flexible display panel substrate 2. The flexible driving chip module 4 is movably connected to the flexible limiting member 3, and the flexible driving chip module 4 is movable in the length direction of the flexible limiting member 3. The flexible display panel substrate 2 is electrically connected to the flexible driving chip module 4 and the flexible display panel 1. The peripheral circuit board 5 refers to a peripheral circuit board of the display panel except for the driving chip, and may be disposed as needed, and may be flexible or rigid.
The flexible driving chip module 4 is movable in the length direction of the flexible locating part 3, so that each part of the flexible driving chip module 4 can move in the flexible locating part 3 when being bent, in other words, when the flexible display panel 1 is bent within a certain curvature radius range, the flexible driving chip module 4 can be synchronously bent with the flexible display panel 1, and meanwhile, the flexible driving chip module 4 can be prevented from being separated from the flexible display panel substrate 2 when being bent, so that the flexible display panel module can be ensured to have good electrical performance after being bent for many times.
As shown in fig. 4 and 5, in the present embodiment, the flexible limiting member 3 has a limiting groove 31 penetrating along the length direction thereof for embedding the flexible driving chip module 4 therein. After assembly, the flexible driving chip module 4 is embedded in the limiting groove 31 and can move along the length direction relative to the limiting groove 31, so that each part of the flexible driving chip module 4 can move along the length direction in the flexible limiting part 3 when being bent. Of course, in other embodiments, the flexible limiting member 3 may also adopt other structures to make it movable in the length direction, so that each part of the flexible driving chip module 4 can move in the flexible limiting member 3 along its length direction when being bent.
In this embodiment, the flexible limiting member 3 and the flexible display panel substrate 2 may be fixedly connected through a double-sided flexible adhesive film (not shown). Specifically, the flexible stopper 3 is flatly attached to the surface of the flexible display panel substrate 2 where the flexible display panel 1 is not disposed, and the stopper groove 31 is parallel to the flexible display panel substrate 2 (see fig. 3). The double-sided flexible adhesive film is a film which takes flexible materials such as PI, PDMS and the like as a substrate and is coated with adhesive layers on two sides, and the whole thickness is 15-20 mu m.
In this embodiment, only one flexible limiting member 3 is provided, and the length of the flexible limiting member 3 is greater than half of the length of the flexible driving chip module 4, so that the flexible driving chip module 4 is firmly fixed, and when the flexible display panel 1 is bent, the flexible limiting member 3 can drive the flexible driving chip module 4 to be bent synchronously. The flexible limiting member 3 is made of the same material as the flexible display panel substrate 2, and can be made of hexamethyldisilazane, PI, PDMS, silicon rubber, shape memory polymer, hydrosol and other related flexible materials, so that the deformation degree is the same when the flexible limiting member is bent. In other embodiments, as shown in fig. 6, there may be two flexible limiting members 3, two flexible limiting members 3 are disposed side by side, and the slot openings of the two limiting slots 3 are opposite to each other to jointly fix the flexible driving chip module 4.
As shown in fig. 7, in the present embodiment, the flexible driving chip module 4 includes a flexible driving chip assembly 41 and a flexible connection substrate 42. The flexible driving chip assembly 41 includes a flexible driving chip 411, an anisotropic conductive film 412, and a flexible substrate 413, wherein the flexible driving chip 411 and the flexible connection substrate 42 are connected through the anisotropic conductive film 412 and electrically connected. Specifically, the flexible driving chip 411 may be an ultra-thin chip processed by thinning a standard wafer to a thickness of 25 μm or less, thereby having flexibility. The flexible driving chip 411 has a connection bump 4111, the connection bump 4111 faces the flexible connection substrate 42, and the flexible driving chip 411 is electrically connected to the flexible connection substrate 42 through the connection bump 4111, conductive particles (not shown) in the anisotropic conductive film 412, and a corresponding connection pad (not shown) on the flexible connection substrate 42. The flexible connection substrate 42 may be a COF (chip on film) flexible package substrate. The flexible substrate 413 is attached to the flexible driving chip 411 to reduce stress on the surface circuit of the flexible driving chip 411 during bending. The flexible substrate 413 may be hexamethyldisilazane, PI, PDMS, silicon rubber, shape memory polymer, hydrosol, or other relevant flexible materials.
The flexible driving chip module 4 is embedded in the limiting groove 31 of the flexible limiting member 3 through a flexible connection substrate 42, and the flexible connection substrate 42 is parallel to the flexible display panel substrate 2. In the length direction of the flexible limiting part 3, two ends of the flexible driving chip module 4 are electrically connected with the peripheral circuit board 5 and the flexible display panel substrate 2 respectively. Specifically, as shown in fig. 1, two ends of the flexible driving chip module 4 are electrically connected to the peripheral circuit board 5 and the flexible display panel substrate 2 respectively by means of an anisotropic conductive film, a soldering connection wire, and the like.
The preparation method of the flexible display panel assembly comprises the following steps: fixedly connecting the flexible display panel 1 to the flexible display panel substrate 2 and electrically interconnecting; providing a flexible limiting member 3, wherein the flexible limiting member 3 can allow the flexible driving chip module 4 to relatively move in the length direction of the flexible limiting member 3, and fixing the flexible limiting member 3 on the flexible display panel substrate 2; the flexible driving chip module 4 is movably connected to the flexible limiting part 3; electrically connecting the flexible driving chip module 4 to the flexible display panel substrate 2; providing a peripheral circuit board 5, and electrically connecting two ends of the flexible driving chip module 4 with the peripheral circuit board 5 and the flexible display panel substrate 2 respectively in the length direction of the flexible limiting part 3.
The utility model provides a flexible display panel subassembly replaces the driver chip of current rigidity, stereoplasm through adopting flexible driver chip module 4, and combines flexible display panel 1, flexible display panel base plate 2, flexible locating part 3 to can realize whole flexibility. And adopt flexible drive chip module 4 swing joint in flexible locating part 3, flexible drive chip module 4 is portable on the length direction of flexible locating part 3 for flexible drive chip module 4 can remove relative flexible locating part 3 when buckling, avoids flexible drive chip module 4 to break away from with flexible display panel base plate 2 when buckling, thereby can guarantee that flexible display panel subassembly still has good electrical property after buckling many times.
The present embodiment also provides a display device including the flexible display panel assembly as described above.
In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the sake of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A flexible display panel assembly is characterized by comprising a flexible display panel, a flexible display panel substrate, a flexible limiting piece and a flexible driving chip module, wherein the flexible display panel and the flexible limiting piece are respectively and fixedly connected to opposite surfaces of the flexible display panel substrate; the flexible driving chip module is movably connected to the flexible limiting part and can move in the length direction of the flexible limiting part; the flexible display panel substrate is electrically connected with the flexible driving chip module and the flexible display panel.
2. The flexible display panel assembly of claim 1, wherein the flexible limiting member has a limiting groove penetrating along a length direction thereof, and the flexible driving chip module is embedded in the limiting groove and can move along the length direction thereof relative to the limiting groove.
3. The flexible display panel assembly of claim 1, wherein the flexible limiting member is one, and the length of the flexible limiting member is greater than half of the length of the flexible driving chip module.
4. The flexible display panel assembly of claim 2, wherein the number of the flexible stoppers is two, two of the flexible stoppers are arranged side by side, and the slot openings of the two stopper slots are opposite.
5. The flexible display panel assembly of claim 1, wherein the flexible driving chip module comprises a flexible driving chip, an anisotropic conductive film, and a flexible connection substrate, and the flexible driving chip and the flexible connection substrate are electrically connected through the anisotropic conductive film.
6. The flexible display panel assembly of claim 1, wherein the flexible retainer is secured to the flexible display panel substrate by a double-sided flexible adhesive film.
7. The flexible display panel assembly of claim 5, wherein the flexible connection substrate is embedded in the flexible stopper, the flexible connection substrate being parallel to the flexible display panel substrate.
8. The flexible display panel assembly of claim 5, wherein the flexible driving chip has a connection bump facing the flexible connection substrate, and the flexible driving chip is electrically connected to the flexible connection substrate through the connection bump, the conductive particles in the ACF and the connection pad of the flexible connection substrate.
9. The flexible display panel assembly of any one of claims 1 to 8, further comprising a peripheral circuit board, wherein two ends of the flexible driving chip module are electrically connected to the peripheral circuit board and the flexible display panel substrate, respectively, in a length direction of the flexible limiting member.
10. A display device comprising the flexible display panel assembly of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920838364.5U CN210052447U (en) | 2019-06-04 | 2019-06-04 | Flexible display panel assembly and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920838364.5U CN210052447U (en) | 2019-06-04 | 2019-06-04 | Flexible display panel assembly and display device |
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| CN210052447U true CN210052447U (en) | 2020-02-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110310570A (en) * | 2019-06-04 | 2019-10-08 | 浙江荷清柔性电子技术有限公司 | A kind of flexible display panels component and display device |
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- 2019-06-04 CN CN201920838364.5U patent/CN210052447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110310570A (en) * | 2019-06-04 | 2019-10-08 | 浙江荷清柔性电子技术有限公司 | A kind of flexible display panels component and display device |
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