CN110827676A - Flexible organic light-emitting display substrate, display panel and display device - Google Patents
Flexible organic light-emitting display substrate, display panel and display device Download PDFInfo
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- CN110827676A CN110827676A CN201810921649.5A CN201810921649A CN110827676A CN 110827676 A CN110827676 A CN 110827676A CN 201810921649 A CN201810921649 A CN 201810921649A CN 110827676 A CN110827676 A CN 110827676A
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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
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- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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Abstract
The invention discloses a flexible organic light-emitting display substrate, a display panel and a display device. The flexible organic light emitting display substrate comprises a flexible substrate, wherein the flexible substrate comprises a display main body area and an extension area; the display area in the display main body area is provided with a plurality of data lines extending along a first direction; a first sub-extension region in the extension region is connected with the display main body region, and a second sub-extension region is positioned on at least one side of the first sub-extension region along the vertical direction of the first direction; the first sub-extension area and the display main body area form a bending area of the flexible organic light-emitting display substrate, and a bending axis of the bending area extends along a first direction; the second sub-extension region forms a non-bending region of the flexible organic light-emitting display substrate, at least one driving chip is bound in the non-bending region, and the data line is electrically connected with the corresponding driving chip. According to the technical scheme provided by the embodiment of the invention, the flexible organic light-emitting display substrate can be bent along the bending axis with the same extending direction as the extending direction of the data line.
Description
Technical Field
The embodiment of the invention relates to a flexible organic light-emitting display technology, in particular to a flexible organic light-emitting display substrate, a display panel and a display device.
Background
The flexible organic light emitting display panel has the characteristics of self-luminescence without backlight, low power consumption, high brightness and the like, is widely applied to various electronic devices, and is favored by users.
The flexible organic light-emitting display panel is convenient for preparing the flexible display panel because a light source is not required to be additionally arranged. In the prior art, the flexible organic light emitting display panel comprises a display area and a non-display area arranged around the display area, the display area is provided with a plurality of data lines, the non-display area comprises a binding area positioned on one side of the display area, the arrangement direction of the display area and the binding area is the same as the extension direction of the data lines, a driver chip or an FPC is bound on a pad group correspondingly arranged in the binding area, and the area where the pad group is positioned is a hard area, so that the flexible organic light emitting display panel cannot be bent along a bending axis in which the extension direction is the same as the extension direction of the data lines.
Disclosure of Invention
The invention provides a flexible organic light-emitting display substrate, a display panel and a display device, which are used for bending the flexible organic light-emitting display substrate along a bending axis with the same extending direction as that of a data line.
In a first aspect, an embodiment of the present invention provides a flexible organic light emitting display substrate, including:
a flexible substrate including a display body region and an extension region;
the display main body area comprises a display area and a non-display area arranged around the display area, the display area is provided with a plurality of data lines extending along a first direction, and the first direction is the same as the arrangement direction of the display main body area and the extension area;
the extension region comprises a first sub extension region and a second sub extension region, the first sub extension region is connected with the display main body region and is along the vertical direction of the first direction, and the second sub extension region is positioned on at least one side of the first sub extension region; the first sub-extension region and the display main body region form a bending region of the flexible organic light-emitting display substrate, and a bending axis of the bending region extends along a first direction; the second sub-extension region forms a non-bending region of the flexible organic light-emitting display substrate, at least one driving chip is bound to the non-bending region, and the data line extends to the second sub-extension region through the non-display region and is electrically connected with the corresponding driving chip.
In a second aspect, an embodiment of the present invention further provides a flexible organic light emitting display panel, including the flexible organic light emitting display substrate according to the first aspect.
In a third aspect, an embodiment of the present invention further provides a flexible organic light emitting display device, including the flexible organic light emitting display panel according to the second aspect.
The flexible organic light emitting display substrate provided by the embodiment of the invention comprises a flexible substrate, the flexible substrate comprises a display main body area and an extension area, the display main body area comprises a display area and a non-display area arranged around the display area, the display area is provided with a plurality of data lines extending along a first direction, the first direction is the same as the arrangement direction of the display main body area and the extension area, the extension area comprises a first sub-extension area and a second sub-extension area, the first sub-extension area is connected with the display main body area and is vertical to the first direction, the second sub-extension area is positioned on at least one side of the first sub-extension area, the first sub-extension area and the display main body area form a bending area of the flexible organic light emitting display substrate, the bending axis of the bending area extends along the first direction, the second sub-extension area forms a non-bending area of the flexible organic light emitting display substrate, and at least one driving chip is bound in the non-bending, the data line extends to the second sub-extension area through the non-display area and is electrically connected with the corresponding driving chip. The driving chip is not bound in the non-display area connected with the extension area but bound in the extension area by adopting the COP technology, and the area of the extension area is freely set, so that the corresponding parts of the driving chip and the display area in the extension direction of the data line can be obviously reduced or eliminated by reasonably setting the extension area, and the flexible organic light-emitting display panel can be bent along the bending axis in which the extension direction is the same as the extension direction of the data line.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, a brief description is given below of the drawings used in describing the embodiments. It should be clear that the described figures are only views of some of the embodiments of the invention to be described, not all, and that for a person skilled in the art, other figures can be derived from these figures without inventive effort.
Fig. 1 is a schematic structural diagram of a flexible organic light emitting display substrate according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another flexible organic light emitting display substrate according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another flexible organic light emitting display substrate according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another flexible organic light emitting display substrate according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another flexible organic light emitting display substrate according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a flexible organic light emitting display panel according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a flexible organic light emitting display device according to an embodiment of the present 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 but not all of the relevant aspects of the present invention are shown in the drawings. Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the operations (or steps) as a sequential process, many of the operations can be performed in parallel, concurrently or simultaneously. In addition, the order of the operations may be re-arranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Fig. 1 is a schematic structural diagram of a flexible organic light emitting display substrate according to an embodiment of the present invention. As shown in fig. 1, the flexible organic light emitting display substrate includes a flexible substrate 10, the flexible substrate 10 includes a display body region 100 and an extension region 200, the display body region 100 includes a display region 110 and a non-display region 120 disposed around the display region 110, the display region 110 is provided with a plurality of data lines 111 extending in a first direction X, and the first direction X is the same as an arrangement direction of the display body region 100 and the extension region 200. The extension region 200 includes a first sub-extension region 210 and a second sub-extension region 220, the first sub-extension region 210 is connected to the display main body region 100, the second sub-extension region 220 is located on at least one side of the first sub-extension region 210 along a vertical direction Y of the first direction X, the first sub-extension region 210 and the display main body region 100 form a bending region of the flexible organic light emitting display substrate, a bending axis of the bending region extends along the first direction X, the second sub-extension region 200 forms a non-bending region of the flexible organic light emitting display substrate, the non-bending region is bound with at least one driving chip 201, and the data line 111 extends to the second sub-extension region 200 through the non-display region 120 and is electrically connected to the corresponding driving chip 201.
It should be noted that, what is limited in the prior art that the flexible organic light emitting display substrate is bent along the bending axis in which the extending direction is the same as the extending direction of the data line 111 is the hard pad region for binding the driving chip 201, in this embodiment, the extending region 200 includes the non-bending region by using the COP technology, and the hard pad region is disposed in the non-bending region, because in the extending direction of the data line 111, the non-bending region is not communicated with the display main body region 100 and the portion of the extending region 200 except the non-bending region, so that the hard pad region does not affect the bending of the flexible organic light emitting display substrate along the bending axis in which the extending direction is the same as the extending direction of the data line 111.
It should be noted that the display main body area 100 uses the flexible substrate 10 as a substrate, and along the vertical direction Y of the first direction X, no rigid component is disposed on both sides of the display main body area 100, so that the display main body area 100 can be bent along a bending axis extending along the vertical direction Y of the first direction X.
The flexible organic light emitting display substrate provided by this embodiment includes a flexible substrate 10, the flexible substrate 10 includes a display main body region 100 and an extension region 200, the display main body region 100 includes a display region 110 and a non-display region 120 disposed around the display region 110, the display region 110 is disposed with a plurality of data lines 111 extending along a first direction X, the first direction X is the same as an arrangement direction of the display main body region 100 and the extension region 200, the extension region 200 includes a first sub-extension region 210 and a second sub-extension region 220, the first sub-extension region 210 is connected to the display main body region 100, the second sub-extension region 220 is located at least one side of the first sub-extension region 210 along a vertical direction Y of the first direction X, the first sub-extension region 210 and the display main body region 100 form a bending region of the flexible organic light emitting display substrate, a bending axis of the bending region extends along the first direction X, the second sub-extension region 200 forms the non-bending region of the flexible organic light emitting display substrate, at least one driving chip 201 is bound to the non-bending region, and the data line 111 extends to the second sub-extension region 200 through the non-display region 120 and is electrically connected to the corresponding driving chip 201. By adopting the COP technology, the driving chip 201 is bound to the extension region 200 instead of the non-display region 120 connected to the extension region 200, and the area of the extension region 200 is freely set, so that the driving chip 201 and the corresponding portion of the display region 110 in the extension direction of the data line 111 can be significantly reduced or eliminated by reasonably setting the extension region 200, and the flexible organic light emitting display substrate can be bent along the same bending axis as the extension direction of the data line 111.
Illustratively, as shown in fig. 1, the length of the display body region 100 is equal to the length of the extension region 200 along a direction Y perpendicular to the first direction X, and a gap is formed between the second sub-extension region 220 and the display body region 100 along the first direction X.
Note that, for convenience of description, it is noted that the display body region 100 having the gap with the second sub-extension region 220 is a first display body region, and the remaining display body region 100 is a second display body region. When the lengths of the display main body region 100 and the extension region 200 are equal to each other, so that the flexible organic light emitting display substrate is packaged, the packaging frames on the left and right sides of the flexible organic light emitting display substrate shown in fig. 1 only need to be set to be linear structures, and special-shaped setting is not needed.
For example, in other embodiments of the present embodiment, along the direction Y perpendicular to the first direction X, the length of the display body region 100 may be greater than the length of the extension region 200, and a gap is formed between the second sub-extension region 220 and the display body region 100 along the first direction X, as shown in fig. 2.
It should be noted that, when the first display main body region is bent along the bending axis whose extending direction is the first direction X, the second sub-extension region 220 having the gap with the bent first display main body region is not bent, and the hard pad region disposed in the second sub-extension region 220 does not affect the bending of the first display main body region. When the second display main body region is bent along the bending axis whose extending direction is the first direction X, the second display main body region and the first sub-extending region 210 connected thereto are both flexible structures, and no rigid component is disposed to influence the bending, so that the whole region formed by the second display main body region and the first sub-extending region 210 can be bent along the bending axis whose extending direction is the first direction X. To sum up, the gap between the second sub-extension region 220 and the display main body region 100 enables the second sub-extension region provided with the hard pad region not to affect the bending operation of the first display main body region along the bending axis of the first direction X, so that the whole display main body region 100 can be bent along the bending axis of the first direction X along the extension direction.
Optionally, fig. 3 is a schematic structural diagram of another flexible organic light emitting display substrate according to an embodiment of the present invention. The structure of the flexible organic light emitting display substrate shown in fig. 3 is similar to that of the flexible organic light emitting display substrate shown in fig. 1 and 2, except that, in fig. 3, the lengths of the display body region 100 and the first sub-extension region 210 may be equal along a vertical direction Y of the first direction X.
It should be noted that, in the first direction X, there is no corresponding portion between the display main body region 100 and the second sub-extension region 200 provided with the hard pad region, and when the display main body region 100 is bent along the bending axis whose extending direction is the first direction X, the corresponding first sub-extension region 210 without the hard pad region is also bent along with the bending axis, so as to realize the bending of the whole display main body region 100 along the bending axis whose extending direction is the first direction X.
For example, with continued reference to fig. 1 to 3, the extending direction of the long side of the driving chip 201 may be the same as the first direction X.
It should be noted that, with such an arrangement, the length of the driving chip 201 in the vertical direction Y of the first direction X is smaller, and further, the length of the hard pad region for arranging and binding the driving chip 201 in the vertical direction Y of the first direction X is reduced, so that the length of the second sub-extension region 220 where the hard pad region is located in the vertical direction Y of the first direction X can be smaller, and the area of the extension region 200 is reduced accordingly, which is convenient for packaging the flexible organic light emitting display substrate.
It can be understood that, since the second sub-extension region 220 where the driving chip 201 is located does not affect the bending of the display body region 100, in other embodiments of the present embodiment, the extending direction of the long side of the driving chip 201 may also be the same as the vertical direction Y of the first direction X.
Alternatively, when the extending direction of the long side of the driving chip 201 is the same as the first direction X, the extending region 200 may be bent to a side of the display main body region 100 away from the display surface of the flexible organic light emitting display substrate.
In the structure of the flexible organic light emitting display substrate in fig. 1 and 2, after the extension region 200 is bent to the side of the display main body region 100 away from the display surface of the flexible organic light emitting display substrate, the driving chip 201 and the display main body region 100 are overlapped in the direction perpendicular to the display surface, and when the extension direction of the long side of the driving chip 201 is the same as the first direction X, and the display main body region 100 is bent along the same bending axis as the first direction X in the extension direction, if the bending axis crosses the driving chip 201, the length of the driving chip 201 in the perpendicular direction Y of the first direction X is small, and thus the bending is not significantly affected. In the structure of the flexible organic light emitting display substrate in fig. 3, after the extension region 200 is bent to the side of the display main body region 100 away from the display surface of the flexible organic light emitting display substrate, the driving chip 201 and the display main body region 100 are not overlapped in the direction perpendicular to the display surface, and when the display main body region 100 is bent along the same bending axis as the first direction X along the extension direction, the bending axis does not cross over the driving chip 201, so the driving chip 201 does not affect the bending operation of the display main body region 100. It is understood that, in other embodiments of the present embodiment, for the structure of the flexible organic light emitting display substrate shown in fig. 2, since the driving chip 201 and the display body region 100 do not overlap in a direction perpendicular to the display surface, the long side of the driving chip 201 may also extend in the perpendicular direction Y of the first direction X.
For example, with continued reference to fig. 1 and fig. 2, in a vertical direction Y along the first direction X, the second sub-extension regions 220 may be disposed on two sides of the first sub-extension region 210, the number of the at least one driving chip 201 is two, and the two driving chips 201 are respectively disposed in the second sub-extension regions 220 on two sides of the first sub-extension region 210.
It should be noted that, in fig. 1 and fig. 2, the shapes and the sizes of the second sub-extension region 220 located on the left side of the first sub-extension region 210 and the second sub-extension region 220 located on the right side of the first sub-extension region 210 are both equal, and it is understood that, in other embodiments of the present embodiment, the shapes and the sizes of the two portions of the second sub-extension region 220 may also be unequal, which is not specifically limited in the present embodiment.
Optionally, fig. 4 is a schematic structural diagram of another flexible organic light emitting display substrate provided in an embodiment of the present invention. The flexible display substrate structure shown in fig. 4 is similar to the display substrate structure shown in fig. 1 and fig. 2, except that, in fig. 4, along a vertical direction Y of the first direction X, the second sub-extension region 220 is disposed at one side of the first sub-extension region 210, the number of the at least one driving chip 201 is one, and the driving chip 201 is disposed in the second sub-extension region 220.
In addition, as shown in fig. 4, for the case where the lengths of the display main body region 100 and the first sub-extension region 210 in the vertical direction Y of the first direction X are equal, the first sub-extension region 210 may be disposed at a middle portion of the display main body region 100 along the vertical direction Y of the first direction X. In other embodiments of the present embodiment, the first sub-extension region 210 may also be disposed in other portions of the display body region 100, for example, an edge portion shown in fig. 5, which is not specifically limited in the present embodiment.
Fig. 6 is a schematic structural diagram of a flexible organic light emitting display panel according to an embodiment of the present invention. As shown in fig. 6, the flexible organic light emitting display panel 20 includes a flexible organic light emitting display substrate 21 according to any embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a flexible organic light emitting display device according to an embodiment of the present invention. As shown in fig. 7, the flexible organic light emitting display device 30 includes the flexible organic light emitting display panel 20 according to any embodiment of the present invention.
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 (9)
1. A flexible organic light emitting display substrate, comprising:
a flexible substrate including a display body region and an extension region;
the display main body area comprises a display area and a non-display area arranged around the display area, the display area is provided with a plurality of data lines extending along a first direction, and the first direction is the same as the arrangement direction of the display main body area and the extension area;
the extension region comprises a first sub extension region and a second sub extension region, the first sub extension region is connected with the display main body region and is along the vertical direction of the first direction, and the second sub extension region is positioned on at least one side of the first sub extension region; the first sub-extension region and the display main body region form a bending region of the flexible organic light-emitting display substrate, and a bending axis of the bending region extends along a first direction; the second sub-extension region forms a non-bending region of the flexible organic light-emitting display substrate, at least one driving chip is bound to the non-bending region, and the data line extends to the second sub-extension region through the non-display region and is electrically connected with the corresponding driving chip.
2. The flexible organic light emitting display substrate according to claim 1, wherein a length of the display body region is greater than or equal to a length of the extension region in a direction perpendicular to the first direction; a gap is formed between the second sub-extension region and the display body region along the first direction.
3. The flexible organic light emitting display substrate of claim 1, wherein the display body region and the first sub-extension region have equal lengths in a direction perpendicular to the first direction.
4. The flexible organic light-emitting display substrate according to claim 1, wherein the extension direction of the long side of the driving chip is the same as the first direction.
5. The flexible organic light emitting display substrate of claim 4, wherein the extension region is bent to a side of the display body region away from the display surface of the flexible organic light emitting display substrate.
6. The flexible organic light emitting display substrate according to claim 1, wherein the second sub-extension regions are disposed at both sides of the first sub-extension region in a vertical direction of the first direction; the number of the at least one driving chip is two, and the two driving chips are respectively arranged in the second sub-extension regions at two sides of the first sub-extension region.
7. The flexible organic light emitting display substrate of claim 1, wherein the second sub-extension region is disposed at one side of the first sub-extension region along a vertical direction of the first direction; the number of the at least one driving chip is one, and the driving chip is arranged in the second sub-extension region.
8. A flexible organic light emitting display panel comprising the flexible organic light emitting display substrate according to any one of claims 1 to 7.
9. A flexible organic light emitting display device comprising the flexible organic light emitting display panel according to claim 8.
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| CN201810921649.5A CN110827676A (en) | 2018-08-14 | 2018-08-14 | Flexible organic light-emitting display substrate, display panel and display device |
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| CN201810921649.5A CN110827676A (en) | 2018-08-14 | 2018-08-14 | Flexible organic light-emitting display substrate, display panel and display device |
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Application publication date: 20200221 |