CN109860248B - Flexible display panel - Google Patents
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- CN109860248B CN109860248B CN201910069769.1A CN201910069769A CN109860248B CN 109860248 B CN109860248 B CN 109860248B CN 201910069769 A CN201910069769 A CN 201910069769A CN 109860248 B CN109860248 B CN 109860248B
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Abstract
The invention provides a flexible display panel. The flexible display panel comprises a display area, a fan-out area arranged on one side of the display area, a plurality of bonding pins positioned in the fan-out area and a driving chip bonded with the bonding pins; the fan-out area comprises a central area, a first virtual area and a second virtual area, wherein the first virtual area and the second virtual area are positioned on two sides of the central area; the plurality of bonding pins include a plurality of first pins and a plurality of second pins each located in the central region, a plurality of third pins located in the first virtual region, and a plurality of fourth pins located in the second virtual region; set all or part of third pin to the bonding pin that is parallel to each other to and set all or part of fourth pin to the bonding pin that is parallel to each other, be favorable to reducing bonding pin and driver chip's counterpoint error, improve bonding pin and driver chip's counterpoint precision, thereby promote bonding yield and reliability.
Description
Technical Field
The invention relates to the technical field of display, in particular to a flexible display panel.
Background
An Organic Light Emitting diode Display (OLED) has many advantages of self-luminescence, low driving voltage, high luminous efficiency, short response time, high definition and contrast, a viewing angle of nearly 180 °, a wide temperature range, flexible Display, large-area full color Display, and the like, and is considered as a Display device with the most potential for development.
OLED devices typically include: the light-emitting diode comprises a substrate, an anode arranged on the substrate, a hole injection layer arranged on the anode, a hole transport layer arranged on the hole injection layer, a light-emitting material layer arranged on the hole transport layer, an electron transport layer arranged on the light-emitting material layer, an electron injection layer arranged on the electron transport layer and a cathode arranged on the electron injection layer. The light emitting principle of the OLED device is that a semiconductor material and an organic light emitting material emit light under the drive of an electric field through carrier injection and recombination. Specifically, an Indium Tin Oxide (ITO) electrode and a metal electrode are generally used as an anode and a cathode of the device, respectively, and under a certain voltage, electrons and holes are injected into an electron transport layer and a hole transport layer from the cathode and the anode, respectively, and the electrons and the holes migrate to a light emitting material layer through the electron transport layer and the hole transport layer, respectively, and meet in the light emitting material layer to form excitons and excite light emitting molecules, which emit visible light through radiative relaxation.
OLEDs can be classified into two broad categories, namely, direct addressing and thin film transistor Matrix addressing, namely, Passive Matrix OLEDs (PMOLEDs) and Active Matrix OLEDs (AMOLEDs) according to driving methods. The AMOLED has pixels arranged in an array, belongs to an active display type, has high luminous efficacy, and is generally used as a large-sized display device or a flexible display device with high definition.
The existing flexible display panel includes a plurality of bonding pins (pads) disposed in a fan-out (Fanout) area, the plurality of bonding pins are bonded (bonding) with a driving chip, and two situations are generally set at the positions of the plurality of bonding pins, where a virtual extension line of all the bonding pins intersects at the same point of a central axis, and another situation is a virtual extension line of a part of the bonding pins located on the left and right sides of the central axis intersects at a first pin of the central axis, and a virtual extension line of another part of the bonding pins located on the left and right sides of the central axis intersects at a second pin of the central axis, which is different from the first pin. However, in either case, the problem of poor bonding due to deviation in the position of the bonding pins cannot be avoided.
Disclosure of Invention
The invention aims to provide a flexible display panel, which is beneficial to reducing the alignment error of a bonding pin and a driving chip and improving the alignment precision of the bonding pin and the driving chip, thereby improving the bonding yield and reliability.
To achieve the above object, the present invention provides a flexible display panel including: the display device comprises a display area, a fan-out area arranged on one side of the display area, a plurality of bonding pins positioned in the fan-out area and a driving chip bonded with the bonding pins;
the fan-out area comprises a central area, a first virtual area and a second virtual area, wherein the first virtual area and the second virtual area are positioned on two sides of the central area; the plurality of bonding pins include a plurality of first pins and a plurality of second pins each located in the central region, a plurality of third pins located in the first virtual region, and a plurality of fourth pins located in the second virtual region;
each bonding pin has a virtual extension line extending from itself;
the plurality of first pins and the plurality of second pins are symmetrically distributed in a one-to-one correspondence manner relative to a center line, and the virtual extension lines of part of the first pins and the virtual extension lines of part of the second pins corresponding to the part of the first pins are respectively intersected at different positions on the center line;
the plurality of third pins and the plurality of fourth pins are symmetrically distributed in a one-to-one correspondence manner relative to the center line or asymmetrically distributed relative to the center line, all or part of the third pins are parallel to each other, and all or part of the fourth pins are parallel to each other.
A virtual extension line of one first pin close to the central line in the plurality of first pins and a virtual extension line of one second pin close to the central line in the plurality of second pins are parallel to the central line;
the virtual extension lines of other first pins except for one first pin close to the central line in the plurality of first pins and the virtual extension lines of other second pins except for one second pin close to the central line in the plurality of second pins respectively intersect at different positions on the central line.
Included angles between the first pins except one first pin close to the central line and the first direction are acute angles and gradually increase from the position close to the central line to the position far away from the central line;
included angles between the other second pins except one second pin close to the central line and the first direction are acute angles and gradually increase from the position close to the central line to the position far away from the central line;
the first direction is perpendicular to the centerline.
The plurality of third pins and the plurality of fourth pins are symmetrically distributed in a one-to-one correspondence manner relative to the central line;
a virtual extension line of one third pin far away from the central line in the third pins and a virtual extension line of one fourth pin far away from the central line in the fourth pins are both parallel to the central line;
all the other third pins except one third pin far away from the central line are parallel to the first pin close to the third pin; and the other fourth pins except for one fourth pin far away from the central line in the plurality of fourth pins are all parallel to the second pin close to the fourth pin.
The plurality of third pins and the plurality of fourth pins are distributed asymmetrically relative to the central line;
the number of the third pins is not equal to that of the fourth pins; the plurality of third pins are all parallel to the first pins close to the third pins, and the plurality of fourth pins are all parallel to the second pins close to the fourth pins.
Included angles between the first pins except one first pin close to the central line and the first direction are acute angles and equal;
included angles between the other second pins except one second pin close to the central line and the first direction are acute angles and equal;
the first direction is perpendicular to the centerline.
An included angle between one third pin, which is close to the first pin, of the plurality of third pins and the first direction is 70-110 degrees;
an included angle between one of the fourth pins close to the second pin and the first direction is 70-110 degrees.
An included angle between one of the third pins close to the first pin and the first direction is smaller than an included angle between the other third pins except for the one of the third pins close to the first pin and the first direction;
an included angle between one of the plurality of fourth pins close to the second pin and the first direction is smaller than an included angle between the other of the plurality of fourth pins except the one of the plurality of fourth pins close to the second pin and the first direction.
All the other third pins except one third pin close to the first pin in the plurality of third pins are parallel to each other; and the other fourth pins except one fourth pin close to the second pin in the plurality of fourth pins are all parallel to each other.
And when the included angles between the plurality of third pins and the first direction are equal to the included angles between the plurality of fourth pins and the first direction, the plurality of third pins and the plurality of fourth pins are symmetrically distributed in a one-to-one correspondence manner relative to the central line, otherwise, the plurality of third pins and the plurality of fourth pins are asymmetrically distributed relative to the central line.
The invention has the beneficial effects that: the flexible display panel comprises a display area, a fan-out area arranged on one side of the display area, a plurality of bonding pins positioned in the fan-out area and a driving chip bonded with the bonding pins; the fan-out area comprises a central area, a first virtual area and a second virtual area, wherein the first virtual area and the second virtual area are positioned on two sides of the central area; the plurality of bonding pins include a plurality of first pins and a plurality of second pins each located in the central region, a plurality of third pins located in the first virtual region, and a plurality of fourth pins located in the second virtual region; each bonding pin has a virtual extension line extending from itself; a plurality of first pins and a plurality of second pins are symmetrical distribution relative to a central line one-to-one, and the virtual extension line of part of first pins and the virtual extension line of part of second pins that this part of first pins correspond intersect respectively in different positions on the central line, set all or part of third pins into bonding pins that are parallel to each other to and set all or part of fourth pins into bonding pins that are parallel to each other, be favorable to reducing bonding pin and driver chip's counterpoint error, improve bonding pin and driver chip's counterpoint precision, thereby promote bonding yield and reliability.
Drawings
For a better understanding of the nature and technical aspects of the present invention, reference should be made to the following detailed description of the invention, taken in conjunction with the accompanying drawings, which are provided for purposes of illustration and description and are not intended to limit the invention.
In the drawings, there is shown in the drawings,
FIG. 1 is a schematic diagram of a flexible display panel of the present invention;
FIG. 2 is a diagram illustrating a plurality of bonding pins of a flexible display panel according to a first embodiment of the present invention;
FIG. 3 is a diagram illustrating a plurality of bonding pins of a flexible display panel according to a second embodiment of the present invention;
FIG. 4 is a diagram illustrating a plurality of bonding pins according to a third embodiment of the flexible display panel of the invention.
Detailed Description
To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Referring to fig. 1, the present invention provides a flexible display panel, including: the display device comprises a display area 10, a fan-out area 20 arranged on one side of the display area 10, a plurality of bonding pins 30 positioned in the fan-out area 20, and a driving chip 40 bonded with the plurality of bonding pins 30;
the fan-out area 20 includes a central area 21 and first and second Dummy (Dummy) areas 22 and 23 located at both sides of the central area 21; the plurality of bonding pins 30 includes a plurality of first pins 31 and a plurality of second pins 32 each located in the central region 21, a plurality of third pins 33 located in the first dummy region 22, and a plurality of fourth pins 34 located in the second dummy region 23;
each bonding pin 30 has a virtual extension line 301 extending from itself;
the plurality of first pins 31 and the plurality of second pins 32 are symmetrically distributed in a one-to-one correspondence manner relative to a center line 50, and the virtual extension lines 301 of part of the first pins 31 and the virtual extension lines 301 of part of the second pins 32 corresponding to the part of the first pins 31 are respectively intersected at different positions on the center line 50;
the plurality of third pins 33 and the plurality of fourth pins 34 are symmetrically distributed with respect to the center line 50 in a one-to-one correspondence manner or asymmetrically distributed with respect to the center line 50, all or part of the third pins 33 of the plurality of third pins 33 are parallel to each other, and all or part of the fourth pins 34 of the plurality of fourth pins 34 are parallel to each other.
It should be noted that, in the flexible display panel of the present invention, all or part of the bonding pins 30 located in the first virtual area 22 and the second virtual area 23 are set to be the bonding pins 30 parallel to each other, that is, all or part of the third pins 33 are set to be the bonding pins 30 parallel to each other, and all or part of the fourth pins 34 are set to be the bonding pins 30 parallel to each other, which is beneficial to reducing alignment errors between the bonding pins 30 and the driving chip 40, and improving alignment accuracy between the bonding pins 30 and the driving chip 40, so as to improve bonding yield and reliability.
Specifically, virtual extension 301 extends from the short side of bond pin 30.
Specifically, the virtual extension line 301 of one first pin 31 of the plurality of first pins 31 close to the center line 50 and the virtual extension line 301 of one second pin 32 of the plurality of second pins 32 close to the center line 50 are both parallel to the center line 50;
the virtual extension lines 301 of the first pins 31 except for the first pin 31 close to the center line 50 of the plurality of first pins 31 and the virtual extension lines 301 of the second pins 32 except for the second pin 32 close to the center line 50 of the plurality of second pins 32 intersect at different positions on the center line 50.
Specifically, the first dummy area 22 and the second dummy area 23 are used for compensating alignment accuracy by additionally providing two areas when the bonding pin 30 and the driving chip 40 are aligned.
Specifically, referring to fig. 2, in the first embodiment of the flexible display panel of the present invention, included angles between the first direction and the other first pins 31 of the plurality of first pins 31 except for the first pin 31 close to the center line 50 are acute angles, and gradually increase from the direction close to the center line 50 to the direction far from the center line 50;
the included angles between the other second pins 32 of the plurality of second pins 32 except for the one second pin 32 close to the center line 50 and the first direction are acute angles and gradually increase from the position close to the center line 50 to the position far away from the center line 50; the first pins 31 and the second pins 32 of the bonding pins 30 can be converged in different directions, so that the alignment accuracy between the bonding pins 30 and the driving chip 40 is improved, and the bonding yield and reliability are improved.
Specifically, the first direction is perpendicular to the centerline 50.
Specifically, the plurality of third pins 33 and the plurality of fourth pins 34 are symmetrically distributed in a one-to-one correspondence manner with respect to the center line 50;
a virtual extension line 301 of one third pin 33 of the third pins 33 away from the center line 50 and a virtual extension line 301 of one fourth pin 34 of the fourth pins 34 away from the center line 50 are both parallel to the center line 50;
the other third pins 33 except for the one third pin 33 far away from the central line 50 in the plurality of third pins 33 are all parallel to the first pin 31 close to the third pin 33; the other fourth pins 34 of the plurality of fourth pins 34 except for the one fourth pin 34 far from the center line 50 are parallel to the second pins 32 near the fourth pins 34.
Specifically, the virtual extension lines 301 of the third pins 33 except for the one third pin 33 away from the center line 50 in the plurality of third pins 33 and the virtual extension lines 301 of the fourth pins 34 except for the one fourth pin 34 away from the center line 50 in the plurality of fourth pins 34 intersect at different positions on the center line 50;
the position of the intersection of the virtual extension line 301 of the third pin 33 and the virtual extension line 301 of the fourth pin 34 is different from the position of the intersection of the virtual extension line 301 of the first pin 31 and the virtual extension line 301 of the second pin 32.
That is, in view of the included angle between bonding pins 30 and the first direction, in the first embodiment of the flexible display panel of the present invention, the position relationship of the plurality of bonding pins 30 is: with the central line 50 as a boundary, the included angle between the bonding pins 30 and the first direction is vertical from the middle to both sides, i.e., an acute angle that gradually decreases, and alignment accuracy deviation is caused because the bonding pins 30 are offset due to thermal expansion of the bonding pins 30 during alignment, and the included angle between the bonding pins 30 located in the first virtual area 22 and the second virtual area 23 and the first direction is designed to be an acute angle, which is favorable for alignment accuracy compensation.
Specifically, referring to fig. 3, in the second embodiment of the flexible display panel of the present invention, included angles between the first direction and the other first pins 31 of the plurality of first pins 31 except for the first pin 31 close to the center line 50 are acute angles, and gradually increase from the direction close to the center line 50 to the direction far from the center line 50;
the included angles between the other second pins 32 of the plurality of second pins 32 except for the one second pin 32 close to the center line 50 and the first direction are acute angles and gradually increase from the position close to the center line 50 to the position far away from the center line 50; the first pins 31 and the second pins 32 of the bonding pins 30 can be converged in different directions, so that the alignment accuracy between the bonding pins 30 and the driving chip 40 is improved, and the bonding yield and reliability are improved.
Specifically, the first direction is perpendicular to the centerline 50.
Specifically, the plurality of third leads 33 and the plurality of fourth leads 34 are distributed asymmetrically with respect to the center line 50;
the number of the plurality of third pins 33 is not equal to the number of the plurality of fourth pins 34; the third pins 33 are parallel to the first pins 31 close to the third pins 33, and the fourth pins 34 are parallel to the second pins 32 close to the fourth pins 34.
That is, in view of the angle between bonding pins 30 and the first direction, in the second embodiment of the flexible display panel of the present invention, the position relationship of the plurality of bonding pins 30 is: the central line 50 is used as a boundary, the included angle between the bonding pin 30 and the first direction is a vertical acute angle and a gradually decreasing acute angle from the middle to both sides, because the bonding pin 30 is offset due to thermal expansion during alignment, alignment accuracy deviation is caused, and the included angle between the bonding pins 30 located in the first virtual area 22 and the second virtual area 23 and the first direction is designed to be an acute angle, which is favorable for alignment accuracy compensation.
Specifically, referring to fig. 4, in a third embodiment of the flexible display panel of the present invention, included angles between the first direction and the other first pins 31 of the plurality of first pins 31 except for the first pin 31 close to the center line 50 are acute angles and equal;
the included angles between the other second pins 32 of the plurality of second pins 32 except for the one second pin 32 close to the center line 50 and the first direction are acute and equal.
Specifically, the first direction is perpendicular to the centerline 50.
Further, an included angle between one third pin 33 of the plurality of third pins 33, which is close to the first pin 31, and the first direction is 70-110 degrees;
an included angle between one of the fourth pins 34 close to the second pin 32 and the first direction is 70-110 degrees.
Further, an included angle between one third pin 33 of the plurality of third pins 33 close to the first pin 31 and the first direction is smaller than an included angle between the other third pins 33 of the plurality of third pins 33 except for the one third pin 33 close to the first pin 31 and the first direction;
an included angle between one of the fourth pins 34 close to the second pin 32 and the first direction is smaller than an included angle between the other fourth pins 34 of the fourth pins 34 except for the one fourth pin 34 close to the second pin 32 and the first direction.
Further, all the other third leads 33 of the plurality of third leads 33 except for one third lead 33 close to the first lead 31 are parallel to each other; the other fourth pins 34 of the plurality of fourth pins 34 except for the one fourth pin 34 close to the second pin 32 are all parallel to each other.
Specifically, when the included angles between the plurality of third pins 33 and the first direction are all equal to the included angles between the plurality of fourth pins 34 and the first direction, the plurality of third pins 33 and the plurality of fourth pins 34 are symmetrically distributed in one-to-one correspondence with respect to the center line 50, otherwise, the plurality of third pins 33 and the plurality of fourth pins 34 are asymmetrically distributed with respect to the center line 50.
That is, in view of the angle between bonding pins 30 and the first direction, in the third embodiment of the flexible display panel of the present invention, the position relationship of the plurality of bonding pins 30 is: taking the central line 50 as a boundary, the included angle between the bonding pin 30 and the first direction is vertical from the middle to both sides in sequence-the same acute angle-tends to or is equal to 90 ° -obtuse angle, in order to avoid the problem of uneven stress caused by the sudden change of the convergence direction of the bonding pin 30, the included angle between one third pin 33 of the plurality of third pins 33, which is close to the first pin 31, and the first direction is set to be 70 ° -110 °, and the included angle between one fourth pin 34 of the plurality of fourth pins 34, which is close to the second pin 32, and the first direction is set to be 70 ° -110 °, so that the included angle between the bonding pin 30 and the first direction gradually transits from the acute angle to the obtuse angle, and the problem caused by the excessively large change of the included angle between the bonding pin 30 and the first direction is avoided.
In summary, the flexible display panel of the present invention includes a display area, a fan-out area disposed on one side of the display area, a plurality of bonding pins located in the fan-out area, and a driving chip bonded to the plurality of bonding pins; the fan-out area comprises a central area, a first virtual area and a second virtual area, wherein the first virtual area and the second virtual area are positioned on two sides of the central area; the plurality of bonding pins include a plurality of first pins and a plurality of second pins each located in the central region, a plurality of third pins located in the first virtual region, and a plurality of fourth pins located in the second virtual region; each bonding pin has a virtual extension line extending from itself; a plurality of first pins and a plurality of second pins are symmetrical distribution relative to a central line one-to-one, and the virtual extension line of part of first pins and the virtual extension line of part of second pins that this part of first pins correspond intersect respectively in different positions on the central line, set all or part of third pins into bonding pins that are parallel to each other to and set all or part of fourth pins into bonding pins that are parallel to each other, be favorable to reducing bonding pin and driver chip's counterpoint error, improve bonding pin and driver chip's counterpoint precision, thereby promote bonding yield and reliability.
As described above, it will be apparent to those skilled in the art that other various changes and modifications may be made based on the technical solution and concept of the present invention, and all such changes and modifications are intended to fall within the scope of the appended claims.
Claims (10)
1. A flexible display panel, comprising: the display device comprises a display area (10), a fan-out area (20) arranged on one side of the display area (10), a plurality of bonding pins (30) positioned in the fan-out area (20), and a driving chip (40) bonded with the bonding pins (30);
the fan-out area (20) comprises a central area (21) and a first virtual area (22) and a second virtual area (23) which are positioned on two sides of the central area (21); the plurality of bonding pins (30) includes a plurality of first pins (31) and a plurality of second pins (32) each located in the central region (21), a plurality of third pins (33) located in the first dummy region (22), and a plurality of fourth pins (34) located in the second dummy region (23);
each bonding pin (30) has a virtual extension line (301) extending from itself;
the plurality of first pins (31) and the plurality of second pins (32) are symmetrically distributed in a one-to-one correspondence mode relative to a center line (50), a virtual extension line (301) of part of the first pins (31) is intersected with the center line (50), and intersection points of the virtual extension line (301) of the part of the first pins (31) and the center line (50) respectively fall on different positions on the center line (50);
the plurality of third pins (33) and the plurality of fourth pins (34) are symmetrically distributed in a one-to-one correspondence manner relative to the center line (50) or asymmetrically distributed relative to the center line (50), all or part of the third pins (33) in the plurality of third pins (33) are parallel to each other, and all or part of the fourth pins (34) in the plurality of fourth pins (34) are parallel to each other.
2. The flexible display panel according to claim 1, wherein a virtual extension line (301) of one first pin (31) of the plurality of first pins (31) close to the center line (50) and a virtual extension line (301) of one second pin (32) of the plurality of second pins (32) close to the center line (50) are both parallel with respect to the center line (50);
the virtual extension lines (301) of the first pins (31) except for one first pin (31) close to the center line (50) in the first pins (31) and the virtual extension lines (301) of the second pins (32) except for one second pin (32) close to the center line (50) in the second pins (32) respectively intersect at different positions on the center line (50).
3. The flexible display panel according to claim 2, wherein the included angle between the first direction and the other first pins (31) except the first pin (31) close to the central line (50) in the plurality of first pins (31) is acute and gradually increases from the position close to the central line (50) to the position far away from the central line (50);
the included angles between the other second pins (32) except for one second pin (32) close to the central line (50) in the plurality of second pins (32) and the first direction are acute angles and gradually increase from the position close to the central line (50) to the position far away from the central line (50);
the first direction is perpendicular to the centerline (50).
4. The flexible display panel according to claim 3, wherein the plurality of third pins (33) and the plurality of fourth pins (34) are symmetrically distributed in a one-to-one correspondence with respect to the center line (50);
a virtual extension line (301) of one third pin (33) of the plurality of third pins (33) away from the center line (50) and a virtual extension line (301) of one fourth pin (34) of the plurality of fourth pins (34) away from the center line (50) are both parallel to the center line (50);
the other third pins (33) except for one third pin (33) far away from the central line (50) in the plurality of third pins (33) are parallel to the first pin (31) close to the third pin (33); the other fourth pins (34) of the plurality of fourth pins (34) except for one fourth pin (34) far away from the central line (50) are all parallel to the second pin (32) close to the fourth pin (34).
5. The flexible display panel according to claim 3, wherein the plurality of third pins (33) and the plurality of fourth pins (34) are asymmetrically distributed with respect to the center line (50);
the number of the third pins (33) is not equal to the number of the fourth pins (34); the third pins (33) are all parallel to the first pins (31) close to the third pins (33), and the fourth pins (34) are all parallel to the second pins (32) close to the fourth pins (34).
6. The flexible display panel according to claim 2, wherein the angles between the first direction and the other first pins (31) except for the first pin (31) close to the center line (50) in the plurality of first pins (31) are acute and equal;
the included angles between the other second pins (32) except for one second pin (32) close to the central line (50) in the plurality of second pins (32) and the first direction are acute angles and equal;
the first direction is perpendicular to the centerline (50).
7. The flexible display panel according to claim 6, wherein one third pin (33) of the plurality of third pins (33) adjacent to the first pin (31) makes an angle of 70 ° -110 ° with the first direction;
an included angle between one fourth pin (34) of the plurality of fourth pins (34) close to the second pin (32) and the first direction is 70-110 degrees.
8. The flexible display panel according to claim 7, wherein an angle between one third pin (33) of the plurality of third pins (33) close to the first pin (31) and the first direction is smaller than an angle between the other third pins (33) of the plurality of third pins (33) except for the one third pin (33) close to the first pin (31) and the first direction;
an included angle between one fourth pin (34) of the plurality of fourth pins (34) close to the second pin (32) and the first direction is smaller than an included angle between the other fourth pins (34) of the plurality of fourth pins (34) except for the fourth pin (34) close to the second pin (32) and the first direction.
9. The flexible display panel according to claim 8, wherein the other third pins (33) of the plurality of third pins (33) except for one third pin (33) adjacent to the first pin (31) are parallel to each other; the other fourth pins (34) of the plurality of fourth pins (34) except for one fourth pin (34) close to the second pin (32) are all parallel to each other.
10. The flexible display panel according to claim 9, wherein when the included angles between the plurality of third pins (33) and the first direction are all equal to the included angles between the plurality of fourth pins (34) and the first direction, the plurality of third pins (33) and the plurality of fourth pins (34) are symmetrically distributed with respect to the center line (50) in a one-to-one correspondence manner, and otherwise, the plurality of third pins (33) and the plurality of fourth pins (34) are asymmetrically distributed with respect to the center line (50).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910069769.1A CN109860248B (en) | 2019-01-24 | 2019-01-24 | Flexible display panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910069769.1A CN109860248B (en) | 2019-01-24 | 2019-01-24 | Flexible display panel |
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| CN109860248A CN109860248A (en) | 2019-06-07 |
| CN109860248B true CN109860248B (en) | 2020-12-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110288913B (en) * | 2019-06-28 | 2022-07-01 | 京东方科技集团股份有限公司 | Flexible display panel and display device |
| CN110322840A (en) * | 2019-07-23 | 2019-10-11 | 武汉华星光电半导体显示技术有限公司 | Display panel |
| US11139362B2 (en) | 2019-07-23 | 2021-10-05 | Wuhan China Star Optoelectronics | Display panel with asymmetrically disposed pads |
| US11266021B2 (en) | 2019-08-27 | 2022-03-01 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Flexible display panel |
| CN110600512B (en) * | 2019-08-27 | 2021-01-15 | 武汉华星光电半导体显示技术有限公司 | Flexible display panel |
| CN113539074A (en) * | 2020-04-17 | 2021-10-22 | 晶门科技（中国）有限公司 | Display panel, display using the same, and alignment method of display panel and bonding substrate |
| CN113053257A (en) * | 2021-03-31 | 2021-06-29 | 合肥维信诺科技有限公司 | Display panel and display device |
| CN113376874A (en) * | 2021-06-01 | 2021-09-10 | 武汉华星光电半导体显示技术有限公司 | Display panel and electronic device |
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