CN208422356U - flexible display screen and mobile terminal - Google Patents

Abstract

The application discloses a kind of flexible display screen, including substrate, a plurality of grid line and gate driving circuit, a plurality of grid line is formed in the arrangement of the longitudinal direction on substrate and along substrate, substrate includes the first part for being sequentially connected and arranging along the long side direction, bending part and second part, gate driving circuit includes the first sub-circuit, second sub-circuit and lead wire set, first sub-circuit is formed over the first portion, second sub-circuit is formed on the second portion, gate line portion positioned at bending part connects the first sub-circuit, the second sub-circuit of part connection, lead wire set is across bending part, to connect the first sub-circuit and the second sub-circuit.The circuit reliability of above-mentioned flexible display screen is high.A kind of mobile terminal is also disclosed in the application.

Description

Flexible display screen and mobile terminal

Technical field

This application involves field of display technology more particularly to a kind of flexible display screens and a kind of mobile terminal.

Background technique

Traditional flexible display screen can be used in clamshell phone.Wherein, the display area of flexible display screen is by its two sides Frame region in gate driving circuit driving, to realize display function.When being folded due to flexible display screen, on bending region Gate driving circuit can be deformed with panel substrates, therefore the gate driving circuit of bending region is easy to be damaged, and leads Flexible display screen is caused circuit occur bad.

Utility model content

Technical problems to be solved in this application are to provide a kind of flexible display screen that circuit reliability is high and mobile end End.

The application embodiment provides a kind of flexible display screen, including substrate, a plurality of grid line and gate driving circuit, institute A plurality of grid line is stated to be formed on the substrate and arranged along the longitudinal direction of the substrate, the substrate include be sequentially connected and Along the longitudinal direction arrangement first part, bending part and second part, the gate driving circuit include the first sub-circuit, Second sub-circuit and lead wire set, first sub-circuit are formed in the first part, and second sub-circuit is formed in institute It states on second part, connects first sub-circuit positioned at the gate line portion of the bending part, partially connects described the Two sub-circuits, the lead wire set is across the bending part, to connect the first sub-circuit and second sub-circuit.

The application embodiment also provides a kind of mobile terminal, including support component and above-mentioned flexible display screen, the branch Support component includes first shell, second shell and bending part, and the bending part is connected to the first shell and the second shell Between body, the first shell is fixed in the first part, and the second part is fixed on the second shell, the bending The bending part is fixed in portion.

In herein described flexible display screen and mobile terminal, due to the gate driving circuit by its it is described first son Circuit is set to the first part, and second sub-circuit is set to the second part, positioned at the grid of the bending part Line part connects first sub-circuit, partially connects second sub-circuit, therefore the gate driving circuit is not necessarily in institute The circuit that arrangement on bending part includes complicated route and device is stated, can be avoided leads to circuit because of the frequent bending of the bending part Damage, so that the circuit reliability of the flexible display screen is high, using the high reliablity of the mobile terminal of the flexible display screen.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the application, attached drawing needed in embodiment will be made below Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the application, general for this field For logical technical staff, without creative efforts, other attached drawings can also be obtained such as these attached drawings.

Fig. 1 is a kind of structural schematic diagram of the mobile terminal of the application embodiment offer when folding；

Fig. 2 is the structural schematic diagram of mobile terminal shown in Fig. 1 upon deployment；

Fig. 3 is the structural schematic diagram of the flexible display screen of mobile terminal shown in Fig. 1；

Fig. 4 is the structural schematic diagram of the gate driving circuit of flexible display screen shown in Fig. 3 in one embodiment；

Fig. 5 is the structural schematic diagram of the gate driving circuit of flexible display screen shown in Fig. 3 in another embodiment；

Fig. 6 is structural schematic diagram of the gate driving circuit of flexible display screen shown in Fig. 3 in another embodiment.

Specific embodiment

Below in conjunction with the attached drawing in the application embodiment, the technical solution in the application embodiment is retouched It states, it is clear that described embodiment is only a part of embodiment of the application, rather than whole embodiments.It is based on Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts it is all its His embodiment, shall fall in the protection scope of this application.

In addition, the explanation of following embodiment is to can be used to implementation to illustrate the application with reference to additional diagram Particular implementation.The direction term being previously mentioned in the application, for example, "upper", "lower", "front", "rear", "left", "right", "inner", "outside", " side " etc. are only the directions with reference to annexed drawings, and therefore, the direction term used is in order to more preferable, more clear Illustrate to Chu and understand the application, rather than indicates or imply signified device or element and must have a particular orientation, with spy Fixed orientation construction and operation, therefore should not be understood as the limitation to the application.

In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection ", " be arranged exist ... on " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removably connect It connects, or is integrally connected；It can be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, it can To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition Concrete meaning in this application.

In addition, unless otherwise indicated, the meaning of " plurality " is two or more in the description of the present application.If this Occur the term of " process " in specification, refers not only to independent process, when can not clearly be distinguished with other process, as long as Effect desired by the process is able to achieve then to be also included in this term.In addition, the numberical range indicated in the application with " extremely " The range that the numerical value recorded before and after referring to " extremely " is included as minimum value and maximum value.In the accompanying drawings, structure phase Seemingly or identical unit is indicated by the same numeral.

In this application, it is configured to be referred to as by the communication terminal of radio interface communication and " wirelessly communicate eventually End ", " wireless terminal " or " mobile terminal ".Include as " communication terminal " as used herein (or being referred to as " terminal ") but unlimited In being configured to connect via Wireline (such as via Public Switched Telephone Network (PSTN), digital subscriber line (DSL), several Word cable, Direct cable connection and/or another data connection/network) and/or via (for example, for cellular network, wireless Local area network (WLAN), the digital TV network of such as DVB-H network, satellite network, AM-FM broadcasting transmitter and/or another Communication terminal) wireless interface receives/sends the device of signal of communication.The example of mobile terminal includes but is not limited to satellite or bee Cellular telephone；It can be with the PCS Personal Communications System of combination cellular radio telephone and data processing, fax and communication ability (PCS) terminal；May include radio telephone, pager, the Internet/intranet access, Web browser, memo pad, calendar with And/or the PDA of global positioning system (GPS) receiver；And conventional laptop and/or palmtop receiver or including radio Other electronic devices of telephone transceiver.

It is a kind of mobile terminal 100 of the application embodiment offer when folding also referring to Fig. 1 and Fig. 2, Fig. 1 Structural schematic diagram, Fig. 2 are the structural schematic diagram of mobile terminal 100 shown in Fig. 1 upon deployment.

The mobile terminal 100 includes support component 200 and flexible display screen 300.The support component 200 includes first Shell 201, second shell 202 and bending part 203.The bending part 203 is connected to the first shell 201 and the second shell Between body 202.The bending part 203 can be bent so that the second shell 202 expansion relatively of the first shell 201 or It folds namely the support component 200 can change between unfolded state and folded state.The flexible display screen 300 is solid Due to the support component 200, the flexible display screen 300 is unfolded or folds with the support component 200.Wherein, the folding Comer pieces 203 can there are many implementations, such as elastic panel structure, hinge arrangement, rotating shaft connecting structure etc..

Referring to Fig. 3, Fig. 3 is the structural schematic diagram of the flexible display screen 300 of mobile terminal 100 shown in Fig. 1.

The flexible display screen 300 includes substrate 1, a plurality of grid line 2 and gate driving circuit 3.The substrate 1 has length Edge direction X and short side direction Y.The short side direction Y intersects with the longitudinal direction X.The application is with the short side direction Y and institute State longitudinal direction X it is perpendicular for be illustrated.The substrate 1 includes being sequentially connected and along the of longitudinal direction X arrangement A part 11, bending part 12 and second part 13.Referring to Figure 2 together and Fig. 3, the first part 11 are fixed on described first Shell 201, the second part 13 are fixed on the second shell 202, and the bending part 12 is fixed on the bending part 203. When 203 bending of bending part, the bending part 12 is with 203 bending of bending part.

Referring to Fig. 3, the substrate 1 includes display area 1a and the frame region for being set to the periphery the display area 1a 1b.The display area 1a is located at the first part 11, the second part 13 and the bending part 12.In Fig. 3, do not show The circuit part being located in the display area 1a out, shows the circuit part positioned at the frame region 1b.

The a plurality of grid line 2 is formed on the substrate 1 and arranges along the longitudinal direction X of the substrate 1.It is described a plurality of Grid line 2 extends to the frame region 1b from the display area 1a.The a plurality of grid line 2 is arranged in the first part 11, on the bending part 12 and the second part 13.The a plurality of grid line 2 is intervally installed.

The gate driving circuit 3 is set to the frame region 1b.The gate driving circuit 3 is described a plurality of for driving Grid line 2.The gate driving circuit 3 includes the first sub-circuit 31, the second sub-circuit 32 and lead wire set 33.The first son electricity Road 31 is the section driving circuit in the gate driving circuit 3, for driving the grid line 2 connected to it.Described One sub-circuit 31 includes multiple devices and the conducting wire being connected between multiple devices.Second sub-circuit 32 is grid drive Section driving circuit in dynamic circuit 3, for driving the grid line 2 connected to it.Second sub-circuit 32 includes more A device and the conducting wire being connected between multiple devices.Conducting wire is set in the lead wire set 33.

The gate driving circuit 3 can be formed on the substrate 1 by COG (Chip On Glass) technology.Specifically , first sub-circuit 31 is formed in the first part 11.The grid line 2 positioned at the first part 11 connects First sub-circuit 31.Second sub-circuit 32 is formed on the second part 13.Positioned at the second part 13 The grid line 2 connects second sub-circuit 32.Described first is connected positioned at 2 part of the grid line of the bending part 12 Sub-circuit 31 partially connects second sub-circuit 32.The lead wire set 33 is across the bending part 12, with connection the first son electricity Road 31 and second sub-circuit 32.

In the present embodiment, its described first sub-circuit 31 is set to described first due to the gate driving circuit 3 Part 11, second sub-circuit 32 are set to the second part 13, connect positioned at 2 part of the grid line of the bending part 12 It connects first sub-circuit 31, partially connect second sub-circuit 32, therefore the gate driving circuit 3 is not necessarily in the folding Arrangement includes the circuit of complicated route and device on turn of bilge 12, can be avoided because the bending part 12 frequent bending due to lead to circuit Damage, so that the circuit reliability of the flexible display screen 300 is high.Simultaneously as the gate driving circuit 3 is equipped with across institute State the lead wire set 33 of bending part 12,33 setting conducting wires of the lead wire set, with realize first sub-circuit 31 with it is described The electric connection of second sub-circuit 32, therefore the lead wire set 33 is not easy to break, and enables to signal in first son It is transmitted between circuit 31 and second sub-circuit 32, to improve the speed of signal transmission, so that the flexible display screen 300 Show that quality is higher.

Referring to Figure 4 together, Fig. 5 and Fig. 6, Fig. 4 are the gate driving circuits 3 of flexible display screen 300 shown in Fig. 3 one Structural schematic diagram in kind embodiment.Fig. 5 is that the gate driving circuit 3 of flexible display screen 300 shown in Fig. 3 is implemented in another kind Structural schematic diagram in mode.Fig. 6 is the gate driving circuit 3 of flexible display screen 300 shown in Fig. 3 in another embodiment Structural schematic diagram.

The lead wire set 33 includes at least two leads 330.Each lead 330 is across the bending part 12.Each institute The both ends for stating lead 330 are all connected with first sub-circuit 31 and second sub-circuit 32.The length of each lead 330 is equal Greater than the distance between first sub-circuit 31 and described second sub-circuit 32.At this point, the bending part 12 is when deformation occurs, The lead 330 allows to have biggish deformation quantity, and the risk that the lead 330 is broken is smaller, so that the Flexible Displays The circuit reliability of screen 300 is higher.

In this application, the shape of each lead 330 can be consistent, can also be inconsistent.The application is with each lead 330 Shape it is consistent for be illustrated.

Wherein, the shape of each lead 330 can there are many, such as:

Referring to Fig. 4, in one embodiment, each lead 330 is wavy.At this point, each lead 330 wraps Include multiple sequentially connected serpentine line segments.

Referring to Fig. 5, in another embodiment, each lead 330 includes multiple sequentially connected straightways 331, the angle less than 180 ° is formed between the straightway 331 of adjacent two.For example, two adjacent straightways 331 Between angle can be 60 °, 90 ° or 120 °.Wherein, it can be realized by arc segment between adjacent two straightways 331 Transition, so that the reliability of the lead 330 is higher.

Referring to Fig. 6, each lead 330 includes multiple sequentially connected straightways in another embodiment 332, it is formed between the straightway 332 of adjacent two and is greater than or equal to 90 ° of angle, and one of them described straightway 332 Extending direction be parallel to the longitudinal direction X.For example, the angle formed between two adjacent straightways 332 is equal to 90 °, 120 ° or 150 °.Wherein, transition can be realized by arc segment between adjacent two straightways 332, so that described The reliability of lead 330 is higher.

Certainly, in other embodiments, referring to Fig. 3, the length of each lead 330 can also be equal to described first The distance between sub-circuit 31 and second sub-circuit 32.The extending direction of each lead 330 is roughly parallel to the base The longitudinal direction X of plate 1.

Referring to Fig. 3, being located at extending direction of the grid line 2 of the bending part 12 in the display area 1a (Fig. 3 is not shown) is parallel to the short side direction Y of the substrate 1.The short side direction Y is perpendicular to the longitudinal direction X.Positioned at institute State the short side direction Y phase of the grid line 2 of bending part 12 extending direction in the frame region 1b and the substrate 1 It hands over.In other words, opposite in the viewing area in the part of the frame region 1b positioned at the grid line 2 of the bending part 12 The part run-off the straight of domain 1a to extend the bending part, and is connected to first sub-circuit 31 or the second son electricity Road 32.

Wherein, in the grid line 2 of the first part 11, the part close to the bending part 12 is on the side Extending direction in frame region 1b intersects with the short side direction Y of the substrate 1.Positioned at the grid line of the second part 12 In 2, close to the short side direction Y of extending direction and the substrate 1 of the part of the bending part 12 in the frame region 1b Intersection.

Wherein, the quantity of the gate driving circuit 3 is two, and two gate driving circuits 3 are in the short side side The two sides of the display area 1a are arranged and are located on Y.The gate driving circuit 3 is set to the frame region 1b。

Wherein, the flexible display screen 300 further includes multiple data lines 4 and source driving circuit 5.The multiple data lines 4 It is formed on the substrate 1 and is arranged along the short side direction Y of the substrate 1.The multiple data lines 4 and a plurality of grid line 2 intersect.The source driving circuit 5 can be formed on the substrate 1 by COG (Chip On Glass) technology.It drives in the source Dynamic circuit 5 is formed on the first part 11 or the second part 13 and is located in the frame region 1b.The application with The source driving circuit 5 is illustrated for being formed in the first part 11.The source driving circuit 5 connects described a plurality of Data line 4.The source driving circuit 5 is for driving the multiple data lines 4.

Wherein, each data line 4 is greater than the bending in the length of the part (not shown) of the bending part 12 Width of the portion 12 on the longitudinal direction X.For example, each data line 4 can be in wave in the part of the bending part 12 Lines or broken line item.At this point, the bending part 12, when deformation occurs, the data line 4 allows to have biggish deformation quantity, institute The risk for stating the fracture of data line 4 is smaller, so that the circuit reliability of the flexible display screen 300 is higher.

The application embodiment is described in detail above, principle of the specific case to the application used herein And embodiment is expounded, the explanation of embodiment of above is merely used to help understand the present processes and its core is thought Think；At the same time, for those skilled in the art, according to the thought of the application, in specific embodiments and applications There will be changes, in conclusion the contents of this specification should not be construed as limiting the present application.

Claims (10)

1. a kind of flexible display screen, which is characterized in that including substrate, a plurality of grid line and gate driving circuit, a plurality of grid Polar curve is formed on the substrate and is arranged along the longitudinal direction of the substrate, and the substrate includes being sequentially connected and along the length First part, bending part and the second part of edge direction arrangement, the gate driving circuit include the first sub-circuit, the second son electricity Road and lead wire set, first sub-circuit are formed in the first part, and second sub-circuit is formed in described second On point, first sub-circuit is connected positioned at the gate line portion of the bending part, partially connects second sub-circuit, The lead wire set is across the bending part, to connect the first sub-circuit and second sub-circuit.

2. flexible display screen as described in claim 1, which is characterized in that the lead wire set includes at least two leads, each institute State lead across the bending part, the length of each lead be all larger than first sub-circuit and second sub-circuit it Between distance.

3. flexible display screen as claimed in claim 2, which is characterized in that each lead is wavy.

4. flexible display screen as claimed in claim 2, which is characterized in that each lead includes multiple sequentially connected straight Line segment forms the angle less than 180 ° between two adjacent straightways.

5. flexible display screen as claimed in claim 2, which is characterized in that each lead includes multiple sequentially connected straight Line segment forms between two adjacent straightways and is greater than or equal to 90 ° of angle, and the extension of one of them straightway It is oriented parallel to the longitudinal direction.

6. the flexible display screen as described in any one of claims 1 to 5, which is characterized in that the substrate includes display area Be set to the display area periphery frame region, the display area be located at the first part, the second part and The bending part, the grid line extending direction within the display area positioned at the bending part are parallel to the substrate Short side direction, the short side direction is perpendicular to the longitudinal direction, and the grid line positioned at the bending part is on the side Extending direction in frame region intersects with the short side direction of the substrate.

7. flexible display screen as claimed in claim 6, which is characterized in that the quantity of the gate driving circuit be two, two A gate driving circuit arranges on the short side direction and is located at the two sides of the display area.

8. flexible display screen as claimed in claim 6, which is characterized in that the flexible display screen further include multiple data lines and Source driving circuit, the multiple data lines are formed on the substrate and are arranged along the short side direction of the substrate, described a plurality of Data line intersects with a plurality of grid line, the source driving circuit be formed on the first part or the second part and In the frame region, the source driving circuit connects the multiple data lines.

9. flexible display screen as claimed in claim 8, which is characterized in that each data line is in the part of the bending part Length is greater than width of the bending part in the longitudinal direction.

10. a kind of mobile terminal, which is characterized in that aobvious including flexibility described in support component and any one of claims 1 to 9 Display screen, the support component include first shell, second shell and bending part, the bending part be connected to the first shell with Between the second shell, the first shell is fixed in the first part, and the second part is fixed on the second shell Body, the bending part are fixed on the bending part.