CN109375706B - Display panel, display screen assembly and electronic device - Google Patents
Display panel, display screen assembly and electronic device Download PDFInfo
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- CN109375706B CN109375706B CN201811173869.0A CN201811173869A CN109375706B CN 109375706 B CN109375706 B CN 109375706B CN 201811173869 A CN201811173869 A CN 201811173869A CN 109375706 B CN109375706 B CN 109375706B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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- General Engineering & Computer Science (AREA)
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Abstract
The application discloses display panel, it includes: the display device comprises a display area and a non-display area, wherein a connecting circuit connected with the display area is arranged in the non-display area; the chip is electrically connected with the connecting circuit; the fan-out routing comprises a first part and a second part, wherein the second part is bent by the first part of the connecting circuit, extends towards the direction close to the display area of the connecting circuit and is arranged in a different layer with the first part of the connecting circuit, the end part of the first part of the fan-out routing of the connecting circuit is connected with the connecting circuit of the connecting circuit, and the end part of the second part of the connecting circuit is connected with the chip of the connecting circuit, so that the chip of the connecting circuit is closer to the display area of the connecting circuit, and further the non-display area of the connecting circuit is narrower. Above structure, every fan-out is walked the line and is all included the second part that extends towards being close to the display area direction, and the tip and the chip of second part are connected to make the chip more be close to the display area setting with the hookup location that the fan-out was walked the line, and then make the non-display area do more narrowly. The application also provides a display screen assembly and an electronic device.
Description
Technical Field
The present application relates to the field of electronic devices, and in particular, to a display panel, a display screen assembly and an electronic apparatus.
Background
The display panel of the electronic device such as a mobile phone, a tablet computer and the like comprises a display area and a non-display area. The chip is arranged in the non-display area, the chip is connected with the display area through a plurality of fan-out wires, and a user controls the display content and effect of the display area. Under the condition that the line width and the line spacing of the fan-out routing lines are both the minimum, the height of the fan-out routing lines is certain, so that the height of the non-display area, used for arranging the fan-out routing lines, along the length direction of the display area is certain, namely the height of the display area along the length direction of the display area is certain, and the display area cannot be further compressed to be narrower.
Disclosure of Invention
The application provides a display panel, a display screen assembly and an electronic device, aiming at the technical problem that the height of a non-display area of the display panel cannot be further compressed to be narrower.
The technical scheme adopted by the application is as follows: provided is a display panel, including:
the display device comprises a display area and a non-display area, wherein a connecting circuit connected with the display area is arranged in the non-display area;
a chip electrically connected to the connection circuit;
the fan-out routing comprises a plurality of fan-out routing wires, each fan-out routing wire comprises a first part and a second part, the second part is bent from the first part, extends towards the direction close to the display area and is arranged in a different layer with the first part, the end part of the first part of the fan-out routing wire is connected with the connecting circuit, and the end part of the second part is connected with the chip, so that the chip is closer to the display area, and the non-display area is narrower.
The application also provides a display screen assembly comprising the display panel.
The application also provides an electronic device comprising the display screen assembly.
The application provides a display panel, display screen subassembly and electron device includes display area and non-display area, sets up multiplexer circuit and chip in the non-display area, and multiplexer circuit is connected with the display area, and the chip walks line and multiplexer circuit connection through many fan-outs, and then realizes being connected with the display area. Every fan-out is walked in this application and is all included the first part with multiplexer circuit connection, and buckle and extend towards the second part that is close to the display area direction and sets up with the different layer of first part by the first part, the tip and the chip of second part are connected, thereby make the display area be used for distributing the fan-out to walk the highly diminishing along the length direction of display area of line, the chip sets up with the hookup location that the fan-out was walked more closely the display area, and then make the non-display area do more narrowly, also the lower frame that also is display panel can be done more narrowly, realize bigger screen and account for than.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a partial structure of an embodiment of a display panel according to the present application;
FIG. 2 is a schematic diagram of a portion of one embodiment of a display screen assembly according to the present application;
FIG. 3 is a schematic structural diagram of an embodiment of an electronic device according to the present application;
FIG. 4 is a schematic view of a portion of an embodiment of a display panel before structural modification;
FIG. 5 is a schematic view of a portion of another embodiment of a display panel before structural modification;
FIG. 6 is a schematic cross-sectional view of an embodiment of a display panel before structural modification;
FIG. 7 is a schematic cross-sectional view illustrating an embodiment of a display panel according to the present application;
FIG. 8 is a schematic cross-sectional view of another embodiment of a display panel of the present application;
FIG. 9 is a schematic view of a portion of another embodiment of a display panel according to the present application;
FIG. 10 is a schematic view of a portion of a display panel according to still another embodiment of the present application;
FIG. 11 is a schematic view of a portion of a display panel according to yet another embodiment of the present application;
fig. 12 is a schematic partial structural diagram of another embodiment of a display panel according to the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The present application provides a display panel 100 having a narrower lower frame, a display panel assembly 200 including the display panel 100, and an electronic device 300 including the display panel assembly 200.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a display panel according to the present application. Fig. 2 is a schematic structural diagram of an embodiment of a display panel assembly of the present application, and fig. 3 is a schematic structural diagram of an electronic device of the present application. Specifically, the electronic device 300 may be any of various types of computer system devices (only one form is exemplarily shown) that are mobile or portable and perform wireless communication. Specifically, the electronic apparatus 300 may be a mobile phone or a smart phone (e.g., an iPhone (TM) based phone), a Portable game device (e.g., Nintendo DSTM, PlayStation Portable (TM), game Advance (TM), iPhone (TM)), a laptop computer, a PDA, a Portable internet device, a music player, and a data storage device, other handheld devices, and a headset, etc., and the electronic apparatus 300 may also be other wearable devices that require charging (e.g., a Head Mounted Device (HMD) such as an electronic bracelet, an electronic necklace, an electronic device, or a smart watch).
The electronic apparatus 300 may also be any of a number of electronic devices including, but not limited to, cellular phones, smart phones, other wireless communication devices, personal digital assistants, audio players, other media players, music recorders, video recorders, cameras, other media recorders, radios, medical devices, vehicle transportation equipment, calculators, programmable remote controllers, pagers, laptop computers, desktop computers, printers, netbook computers, Personal Digital Assistants (PDAs), Portable Multimedia Players (PMPs), moving Picture experts group (MPEG-1 or MPEG-2) Audio layer 3(MP3) players, portable medical devices, and digital cameras and combinations thereof, among other devices having a display screen.
In some cases, electronic device 300 may perform a variety of functions (e.g., playing music, displaying video, storing pictures, and receiving and sending telephone calls). If desired, the electronic apparatus 300 may be a device such as a cellular telephone, media player, other handheld device, wrist watch device, pendant device, earpiece device, or other compact portable device having a display screen.
The display panel 100 includes a display area 10, a non-display area 20, a connection circuit 30 disposed in the non-display area 20, a chip 40 connected to the connection circuit 30, fan-out traces 50 for connecting the chip 40 to the connection circuit 30, and a circuit board 60 connected to the chip 40.
In order to better explain the improvement point of the present application, the following description is made of the general structure of the improved front display panel 100 a. Fig. 4 is a schematic partial structure view of the front display panel 100a with improved structure. The display panel 100a before the structural improvement includes a display area 10a and a non-display area 20a, the non-display area 20a is provided with a connecting circuit 30a and a chip 40a, the connecting circuit 30a is connected with the display area 20a, and the chip 40a is connected with the connecting circuit 30a through a plurality of fan-out wires 50a, so as to be connected with the display area 10a, so as to control the display content and the display effect of the display area 10 a. Before the structure is improved, the fan-out trace 50a is a single-layer line, in an embodiment, the fan-out trace 50a is a plurality of connecting lines parallel to each other, and in this embodiment, the chip 40a needs to be made longer enough to connect all the fan-out traces 50 a.
Referring to fig. 5, in another embodiment, to make the length of the chip 40a smaller, a portion of the fan-out trace 50a includes an inclined portion 52a and a non-inclined portion 54a connected to the inclined portion 52 a. As to which technical solution is adopted, when the number, line width and adjacent line spacing of the fan-out traces 50a are the smallest, the height h of the non-display area 20a for distributing the fan-out traces 50a has a limit value, and in the technical solution before the structural improvement, the fan-out traces 50a are single-layer metal lines, as shown in fig. 6.
Referring to fig. 1 and 7, in the present application, in order to further compress the height h of the non-display area 20 for distributing the fan-out traces 50, so that the non-display area 20 is made narrower, the fan-out traces 50 are made as two parts arranged in different layers. In particular, the same fan-out trace 50 includes a first portion 52 and a second portion 54. The first portion 52 is connected to the connecting circuit 30, and the first portion 52 is bent to another layer and extends toward the display area 10, so as to reduce the height h of the non-display area 20 for distributing the fan-out traces 50.
Specifically, in an embodiment, the display area 10 is an area of the electronic device 300 displaying pictures, videos, and the like, and a plurality of pixel units are disposed in the display area 10. The non-display area 20 is located at the bottom of the electronic device 300, and is used for distributing areas of the chip 40, the circuit, the home key, and the like, which control the display content and the display effect of the display area 10.
The non-display area 20 is provided with a connection circuit 30 connected to the display area 10, and the connection circuit 30 is used for being connected to the fan-out trace 50 and receiving information transmitted by the fan-out trace 50. Specifically, in an embodiment, the connection circuit 30 is a multiplexer circuit, and the multiplexer circuit can select any one of the data as an output signal to be transmitted to the display area 10 according to a requirement in a multi-channel data transmission process.
Further, the display device further comprises a color filter 70, and the color filter 70 is covered on the display area 20 and a part of the non-display area 20. The Color filter 70(Color filter) is an optical filter that presents colors that precisely select a small range of wavelengths of light to be passed, while reflecting off other undesired wavelengths. The color filter 70 is disposed on a side of the display area 10 close to the user, so that the human eye can receive a saturated color light.
The chip 40 is connected to the display area 10 by connecting one end thereof to the circuit board 60 and the other end thereof to the fan-out trace 50 and connecting the fan-out trace 50 to the connecting circuit 30. Thereby enabling the chip 40 to exchange or transmit information with the circuit main board 60, so that the chip 40 transmits the information to the display area 10 through the fan-out traces 50 and the connecting circuit 30 to control the display content and the display effect of the display area 10.
Specifically, in an embodiment, the chip 40 includes a first pin 42 and a second pin 44, the first pin 42 is connected to the end of the fan-out trace 50 away from the connection circuit 30, and the second pin 44 is electrically connected to the circuit board 60. It will be understood that a row of first pins 42 is formed on a chip, and each first pin 42 corresponds to one fan-out trace 50.
Further, in an embodiment, the display panel 100 further includes a bonding pin 80, one end of the bonding pin 80 is electrically connected to the second pin 44 of the chip 40, and the other end of the bonding pin 80 is connected to the circuit board 60. It is understood that the binding foot 80 is made of metal for transmitting information.
Further, in one embodiment, the bonding pins 80 are not made long due to the distance between the circuit board 60 and the second pins 44 of the chip 40. Therefore, in this embodiment, a metal connection line 90 is further included, one end of the metal connection line 90 is connected to the second pin 44 of the chip 40, and the other end of the metal connection line 90 is connected to the bonding pin 80.
The fan-out trace 50 is connected to the connection circuit 30 at one end and connected to the chip 40 at the other end, i.e. connected to the first pin 42 of the chip 40. Specifically, the fan-out trace 50 includes a plurality of lines, and each fan-out trace 50 includes a first portion 52 and a second portion 54 bent from the first portion 52 and extending toward the display area 10, and disposed on a different layer from the first portion 52. The ends of the first portion 52 of the fan-out trace 50 are connected to the connecting circuit 30 and the ends of the second portion 54 are connected to the chip 40. With the above structure, the second portion 54 of the fan-out trace 50 is pulled back, i.e. extended toward the display area 10, and the connection position of the chip 40 and the fan-out trace 50 is the end of the second portion 54 of the fan-out trace 50. Therefore, by adopting the above structure, the chip 40 is closer to the display area 10 than the connection position of the fan-out trace 50 before the structure improvement, that is, the chip 40 is closer to the display area 10, the height a (shown in fig. 1) of the non-display area 20 for distributing the fan-out trace 50 can be made smaller, and further the height b of the whole non-display area 20 along the length direction of the display area 10 is made smaller, so that the non-display area 20 is made narrower, that is, the display screen assembly 200 and the electronic device 300 applying the display panel 100 have narrower lower frames, so as to further improve the screen occupation ratio.
It is understood that in an embodiment, the first portion 52 and the second portion 54 of the same fan-out trace 50 are electrically connected except for the intersection, and the insulating layer 56 is disposed on the remaining portions of the first portion 52 and the second portion 54 of the same fan-out trace 50, as shown in fig. 8, to prevent the first portion 52 and the second portion 54 of the same fan-out trace 50 from being short-circuited and failing to operate normally. In other embodiments, the first portion 52 and the second portion 54 of the same fan-out trace 50 may be electrically connected except for the intersection, and a gap 58 larger than a predetermined value is formed between the first portion 52 and the second portion 54 of the same fan-out trace 50, as shown in fig. 7, and the first portion 52 and the second portion 54 of the same fan-out trace 50 are prevented from being short-circuited by the gap 58.
Specifically, in the present application, based on the principle that the display panel 100, the display panel assembly 200, or the electronic device 300 is made thinner and thinner, the chip 40 is made smaller as much as possible, and the length of the multiplexer circuit 30 is greater than that of the chip 40, so that the first portion 52 of the fan-out trace 50 needs to be close to the center line c of the display area 10 and the non-display area 20 to connect all the fan-out traces 50 with the chip 40.
Specifically, in an embodiment, among the plurality of fan-out traces 50 connected to the chips 40, the first portion 52 of one or more fan-out traces 50 closest to the center line c of the display area 10 and the non-display area 20 is a straight line parallel to the center line c, and the first portions 52 of other fan-out traces 50 distributed away from both sides of the center line c each include an inclined portion 522 and a non-inclined portion 524 connected to the inclined portion 522 at an included angle. The inclined portion 522 is disposed at an angle to the center line c, and the non-inclined portion 524 is parallel to the center line c. The second portion 52 is formed by bending the non-inclined portion 524 and extending toward the display area 10. Optionally, in an embodiment, an included angle between the inclined portion 522 of the fan-out trace 50 and the center line c is greater than or equal to a preset angle, that is, the inclined portion 522 of the fan-out trace 50 is inclined to the center line c to a greater extent than that in the scheme before the structural improvement, so as to further reduce the height a of the non-display area 20 for distributing the fan-out trace 50.
Referring to fig. 9, optionally, in another embodiment, the first portion 52 of the fan-out trace 50 includes an inclined portion 522 and non-inclined portions 524 at two ends of the inclined portion 522, where the inclined portion 524 is disposed at an angle to the center line c, and the non-inclined portions 524 are parallel to the center line c, which is not limited in this respect.
In one embodiment, the second portion 54 of the fan-out trace 50 is a straight line, and the orthographic projection of the second portion 54 of the fan-out trace 50 and the orthographic projection of the first portion 52 on the non-display area 20 at least partially overlap, so that the chip 40 is disposed closer to the display area 10.
Referring to fig. 10, in one embodiment, the second portion 54 is angled with respect to the first portion 52. Specifically, in an embodiment, the end of the second portion 54 is closer to the center line c of the non-display area 20 and the display area 10 than the intersection position of the first portion 52 and the second portion 54, and the second portions 54 of the fan-out traces 50 on both sides of the center line c are close to each other like the center line c, so that the length of the chip 40 can be made shorter.
Referring to fig. 11, in yet another embodiment, the crossing position of the first portion 52 and the second portion 54 of the fan-out trace 50 is closer to the center line c of the non-display area 20 and the display area 10 than the end of the second portion 54, that is, the second portions 54 of the fan-out trace 50 on both sides of the center line c are slightly diffused and distributed away from the center line c to both sides, which is not particularly limited.
Referring to fig. 12, in yet another embodiment, the second portion 54 of the partial fan-out trace 50 includes a first extension 542 and a second extension 544, and the first extension 542 is disposed at an angle to the second extension 544. With the above structure, since the second portion 54 includes the first extending portion 542 and the second extending portion 544 disposed at an included angle, the length of the second portion 54 in the fan-out trace 50 is extended, and the length of the first portion 52 in the fan-out trace 50 is shortened. Thereby further shortening the non-display area 20 for distributing the height a of the fan-out traces 50 to be smaller. It can be understood that the shapes of the first extension 542 and the second extension 544 are formed during the manufacturing process, and after the formation, the shapes are hard and not soft, and will not deform along with the shaking or dropping of the electronic device 300.
With reference to fig. 7 and 8, specifically, with the structure of the above embodiments, the distance between the end surface of the chip 40 close to the display area 20 and the end surface of the color filter 70 close to one end of the chip 40 is less than or equal to a preset value. It is understood that the chip 40 in the present application is disposed closer to the color filter 70 than the structure before the modification. In an embodiment, the predetermined value is zero (this is not shown), that is, the end surface of the chip 40 close to the display area 10 is attached to the end surface of the color filter 70 close to the end of the chip 40, and the lower frame of the display panel 100 is made narrowest.
It is understood that the second portion 54 of the fan-out trace 50 closest to the center line c of the display area 10 and the non-display area 20 may be a straight line parallel to the center line c without the first extension 542 and the second extension 544 described above.
The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (11)
1. A display panel, comprising:
the display device comprises a display area and a non-display area, wherein a connecting circuit connected with the display area is arranged in the non-display area;
a chip including a first pin and a second pin;
a fan-out trace for connecting the chip to the connection circuit, and including a plurality of fan-out traces, each fan-out trace including a first portion and a second portion bent from the first portion and extending toward a direction close to the display area and disposed in a different layer from the first portion, an end of the first portion of the fan-out trace being connected to the connection circuit, an end of the second portion being connected to the first pin, an end of the first portion not connected to the connection circuit being connected to an end of the second portion not connected to the first pin, and an end of the first portion not connected to the connection circuit extending away from the display area, and another end of the second portion connected to the first pin extending toward a direction close to the display area, so that the second portion of the fan-out trace is pulled back toward the display area, thereby making the chip closer to the display area and further making the non-display area narrower;
a circuit main board;
the metal connecting wire is connected with the binding pin, one end of the metal connecting wire, far away from the binding pin, is connected with the second pin, and one end of the binding pin, far away from the metal connecting wire, is connected with the circuit main board.
2. The display panel according to claim 1, wherein the second portion is a straight line, and the second portion at least partially overlaps with the orthographic projection of the first portion in the non-display area, or the second portion is disposed at an angle to the first portion.
3. The display panel according to claim 2, wherein when the second portion is disposed at an angle with respect to the first portion, an end of the second portion is closer to a center line of the non-display area and the display area than a crossing position of the first portion and the second portion; or the intersection position of the first part and the second part is closer to the center line of the non-display area and the display area than the end part of the two parts.
4. The display panel of claim 1, wherein a portion of the second portion of the fan-out trace comprises a first extension and a second extension, and the first extension and the second extension are disposed at an included angle, so as to extend the length of the second portion of the fan-out trace and shorten the length of the first portion of the fan-out trace.
5. The display panel of claim 1, wherein a first portion of one of the plurality of fan-out traces that is closest to the center lines of the non-display area and the display area is parallel to the center lines of the non-display area and the display area, and the first portions of the other fan-out traces include an inclined portion and a non-inclined portion connected at an angle to the inclined portion; the inclined part and the central line form an included angle, and the non-inclined part is parallel to the central line.
6. The display panel of claim 5, wherein an included angle between the inclined portion of the fan-out trace and the center line is greater than or equal to a preset angle.
7. The display panel of claim 1, further comprising a color filter, wherein the color filter covers the display region and a portion of the non-display region, and a distance between an end surface of the chip close to the display region and an end surface of the color filter close to one end of the chip is less than or equal to a predetermined value.
8. The display panel of claim 1, wherein the first portion and the second portion of the same fan-out trace are electrically connected except for the intersection, and an insulating layer is disposed on the remaining portion of the first portion and the second portion of the same fan-out trace.
9. The display panel according to claim 1, wherein the connection circuit is a multiplexer circuit.
10. A display screen assembly comprising the display panel of any one of claims 1-9.
11. An electronic device comprising the display screen assembly of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811173869.0A CN109375706B (en) | 2018-10-09 | 2018-10-09 | Display panel, display screen assembly and electronic device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811173869.0A CN109375706B (en) | 2018-10-09 | 2018-10-09 | Display panel, display screen assembly and electronic device |
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| CN109375706A CN109375706A (en) | 2019-02-22 |
| CN109375706B true CN109375706B (en) | 2020-06-05 |
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| CN113436541B (en) * | 2021-07-14 | 2022-09-09 | 武汉华星光电技术有限公司 | Display panel and display device |
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| CN107039467A (en) * | 2017-05-15 | 2017-08-11 | 厦门天马微电子有限公司 | A kind of array base palte, display panel and display device |
| CN107180594A (en) * | 2017-06-30 | 2017-09-19 | 厦门天马微电子有限公司 | A kind of display panel and display device |
| CN107300793A (en) * | 2017-06-30 | 2017-10-27 | 厦门天马微电子有限公司 | Display panel and display device |
| CN207557624U (en) * | 2017-08-22 | 2018-06-29 | 京东方科技集团股份有限公司 | A kind of array substrate, display panel and display device |
| CN107561799A (en) * | 2017-08-25 | 2018-01-09 | 厦门天马微电子有限公司 | A kind of array base palte, display panel and display device |
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