CN209515051U - A kind of screen construction and terminal device - Google Patents

Abstract

The utility model provides a kind of screen construction and terminal device, including backlight, screen mainboard and cover board, wherein the screen mainboard, between the backlight and the cover board, the screen mainboard includes top plate and lower plywood；The lower plywood includes first area and second area, and the first area and the top plate are stacked, and detection line is provided on the second area.The utility model need to only detect whether the detection line is broken, the second area of the screen construction be can recognize with the presence or absence of crackle or collapsed scarce, without until the crackle perhaps collapses the crackle lacked in the single layer region that the cabling for influencing inside screen can shift to an earlier date recognition screen or collapses scarce.

Description

A kind of screen construction and terminal device

Technical field

The utility model relates to screen areas, more particularly to a kind of screen construction and terminal device.

Background technique

With the development of science and technology, the scene of people's using terminal equipment is more and more.And terminal device frequently includes screen, The function of screen goes wrong the use that will affect people to terminal device.

However, screen often have be easy to appear crackle perhaps collapse crackle in the single layer region of scarce single layer region or It collapses and lacks and may expand, to influence the cabling of inside screen, and then influence the normal use of the screen.In the prior art Under, only when the crackle in the single layer region or collapse lack influence the cabling of inside screen when, can just be identified by people, And there is no a kind of effective methods, can identify the crackle in the single layer region in advance or collapse scarce.

Utility model content

In view of the above problems, the utility model proposes a kind of screen construction and terminal devices, to solve to know in advance Crackle in the single layer region of other screen collapses scarce technical problem.

To solve the above-mentioned problems, in a first aspect, the utility model discloses a kind of screen construction, including backlight, screen Curtain mainboard and cover board, for the screen mainboard between the backlight and the cover board, the screen mainboard includes top plate And lower plywood；The lower plywood includes first area and second area, and the first area and the top plate are stacked, and described the Detection line is provided on two regions.

Second aspect, the invention also discloses a kind of terminal device, which includes as described in relation to the first aspect Screen construction.

In the utility model embodiment, detection line is provided on the second area of screen construction, which is to shield The single layer region of curtain structure.If the second area of lower plywood is cracked or collapses scarce, detection line corresponding can also break It splits.Therefore, it only need to detect whether the detection line is broken, that is, can recognize the second area of the screen construction with the presence or absence of crackle Perhaps it collapses scarce without until the crackle or collapsing to lack and influencing the cabling of inside screen, the list of recognition screen can be shifted to an earlier date Crackle in layer region collapses scarce.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment one；

Fig. 2 is the detection thread breakage schematic diagram of the utility model embodiment one；

Fig. 3 is the cross-sectional view of the utility model embodiment one；

Fig. 4 is the detection line connection figure of the utility model embodiment one.

Specific embodiment

To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have Body embodiment is described in further detail the utility model.

Fig. 1 shows a kind of screen construction of the utility model embodiment, referring to Figures 1 and 2, including backlight 1, screen Mainboard 2 and cover board 3, for screen mainboard 2 between backlight 1 and cover board 3, screen mainboard 2 includes top plate and lower plywood；Lower layer Plate includes first area 21 and second area 22, and first area 21 and the top plate are stacked, and spy is provided on second area 22 Survey line 4.

In the present embodiment, the utility model proposes screen construction, the first area 21 of lower plywood is Chong Die with top plate, Stacked on top of each other with lower plywood by top plate, this overlapping region can be the display area of screen mainboard 2, in second area 22 Setting detection line 4 for detect second area 22 whether have it is abnormal, solve can not identify in advance it is cracked in second area Or the problem of collapsing scarce 5, and will not influence the main circuit cabling of screen mainboard 2.

Optionally, in the present embodiment, it can be equipped with integrated chip and flexible circuit board on lower plywood, detect the one of line 4 End connection integrated chip, the other end connect flexible circuit board.

Referring to Fig. 2, signal is sent to flexible circuit board by integrated chip, if detection line 4 is connected, flexible circuit board can be received Signal, it may be considered that the second area 22 of lower plywood does not collapse scarce 5 or crackle；If detecting line 4 to disconnect, flexible circuit board can not Receive signal, it may be considered that the second area 22 of lower plywood, which exists, collapses scarce 5 or crackle.It can be connect by detecting flexible circuit board Signal is received to judge to detect whether line 4 is connected, collapses scarce 5 or crackle to judge to whether there is in second area 22.Use collection Signal interaction is carried out at chip and flexible circuit board, self-test is able to achieve, without additionally being detected using detection device, reduces Testing cost can detect that screen with the presence or absence of problem, avoids the problem that second area 22 extends to before screen factory in time On the first area 21 of screen mainboard 2, cause entire screen mainboard 2 that cannot use.

Optionally, in the present embodiment, first port can be equipped in integrated chip, which is located at described second In region 22, first port is connect with one end of detection line 4；Second port, the second port can be equipped on flexible circuit board In second area 22, second port is connect with the other end of detection line 4.

By two connecting pins for detecting line 4 in second area 22, can fast and effeciently it be detected by detecting line 4 With the presence or absence of collapsing scarce 5 or crackle in second area 22, but can allow detection line 4 and lower plywood first area 21 circuit trace area Domain separates, and detection line 4 is avoided to influence the circuit trace of first area 21, so that the structure of the utility model is simpler, reduces The difficulty manufactured.

Optionally, in the present embodiment, the one end for detecting line 4 can connect voltage output port or the signal of integrated chip Output port, optionally, integrated chip can send voltage signal by voltage output port or pass through signal output port Waveform signal is sent, to whether receive corresponding signal by detection detection line 4, whether there is to detect in second area 22 Collapse scarce 5 or crackle.

It is fast using voltage signal or waveform signal detection speed, it is only necessary to which that whether that detects flexible circuit board receives signal , and voltage signal or waveform signal directly can realize detection by adjusting integrated chip transmission, so that inspection It surveys simpler.

Optionally, in the present embodiment, the one end for detecting the connection flexible circuit board of line 4 can be connect with ground terminal.At this point, It can simplify the circuit structure of flexible circuit board.In addition, the signal that integrated chip is sent is sent to flexible circuit by detection line 4 After plate, it is directly accessed ground, so that the signal that integrated chip is sent does not interfere with the normal work of entire screen.

Optionally, in practical applications, in order to meet the requirement of the main circuit cabling in screen mainboard 2 or not influence to shield The main circuit cabling of curtain mainboard 2 can allow detection line 4 and the fixed part that is superimposed of the first laminate and the second laminate to keep certain Distance, distance length be 0-400 microns.

Detection line 4 keeps certain distance with the fixed part that is superimposed of the first laminate and the second laminate, neither influences shielding It is arranged in the main circuit cabling of the second laminate in curtain mainboard 2, and detection can be played the role of.Preferably, which can be greater than 50 microns, because if the distance of detection line 4 is too close, it is possible to judge by accident more.In addition, being risen not if the distance of detection line 4 is too far To the effect of detection.

Optionally in the present embodiment, two detection lines 4, two detection lines 4 are provided on second area 22 referring to Fig. 3 It is respectively provided at the two sides of second area 22.The quantity of detection line 4 can be adjusted according to the actual application.

Using two detection lines 4, the range of detection can be expanded, improve the accuracy of detection, also ensure entire screen The quality of curtain structure.

Referring to Fig. 3, optionally, in the present embodiment, two detection lines 4 are symmetrical about the central axes 201 of screen mainboard 2.

Screen is in actual processing and making process, in order to improve processing efficiency, the processing on assembly line be all be just Anti- two sides carries out simultaneously, and two sides of screen is made to be easy to appear crackle.The central axes both sides of screen mainboard 2 symmetrically Setting detection line 4, can detect the crackle on both sides in time, Crack prevention or collapse scarce 5 and spread in screen mainboard 2, influence screen master The normal use of plate 2.

Entire screen construction clips screen mainboard 2 by backlight 1 and cover board 3, protects screen mainboard 2, is then shielding Arrangement arrangement detection line 4 in curtain, detection 4 both ends of line are separately connected integrated chip and flexible circuit board, are sent and believed by integrated chip It number is detected, signal is transmitted by detection line 4, finally check whether flexible circuit board receives signal, it, can if receiving signal It being connected with thinking to detect line 4, screen is intact, if flexible circuit board can not receive signal, it may be considered that detection line 4 disconnects, There are crackle or scarce 5 are collapsed in screen.The structure of entire screen construction is simple, and detection is fast, easy to operate, can carry out needle to screen Detection to property, and detection efficiency can be improved, it also can be reduced bad products outflow market, effectively improve the public praise of mobile phone brand. In addition the signal that integrated chip is occurred can be adjusted according to the needs of use, can send voltage signal or square-wave signal.

Embodiment two

Referring to Fig. 4, the utility model also proposed a kind of terminal device, which includes screen as described above Structure.

In the utility model embodiment, since detection line 4 is provided in terminal device on the second area 22 of screen construction, The second area 22 is the single layer region of screen construction.Therefore, only it need to detect whether the detection line 4 is broken, Ji Keshi The second area 22 of screen construction with the presence or absence of crackle or collapses scarce 5 not in the terminal device, without until the crackle or Person collapses scarce 5 cablings for influencing inside screen, the crackle in the single layer region of recognition screen or can collapse scarce 5 in advance.

Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including element.

Above to a kind of screen construction provided by the utility model and mobile terminal, it is described in detail, herein Specific case is applied to be expounded the principles of the present invention and embodiment, the explanation of above example is only intended to Help understands the utility model and its core concept；At the same time, for those skilled in the art, according to the utility model Thought, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as Limitations of the present invention.

Claims (9)

1. a kind of screen construction, which is characterized in that including backlight, screen mainboard and cover board；

Wherein, for the screen mainboard between the backlight and the cover board, the screen mainboard includes top plate under Laminate；The lower plywood includes first area and second area, and the first area and the top plate are stacked, secondth area Detection line is provided on domain.

2. screen construction according to claim 1, which is characterized in that the lower plywood is equipped with integrated chip and flexible electrical Road plate, described detection line one end connect the integrated chip, and the other end connects the flexible circuit board.

3. screen construction according to claim 2, which is characterized in that the integrated chip is equipped with first port, described First port is located in the second area, and the first port is connect with one end of the detection line；

The flexible circuit board is equipped with second port, and the second port is located in the second area, the second port It is connect with the other end of the detection line.

4. screen construction according to claim 2, which is characterized in that one end of the detection line connects the integrated chip Voltage output port or signal output port.

5. screen construction according to claim 2, which is characterized in that the connection flexible circuit board of the detection line One end is connect with ground terminal.

6. screen construction according to claim 1, which is characterized in that the edge of the detection line and the second area Distance is 0-400 microns.

7. screen construction according to claim 1, which is characterized in that two detection lines are provided on the second area, Two detection lines are respectively provided at the two sides of the second area.

8. screen construction according to claim 7, which is characterized in that two detection lines are about the screen mainboard Central axes are symmetrical.

9. a kind of terminal device, which is characterized in that including screen construction such as of any of claims 1-8.