FPC (Flexible Printed Circuit) hidden liquid crystal display module

Abstract

The utility model provides an FPC (Flexible Printed Circuit) hidden liquid crystal display module which comprises a shell, an LCD (Liquid Crystal Display) module arranged in the shell and an FPC assembly which is arranged in the shell and is electrically connected with the LCD module, the FPC assembly comprises an FPC structure which is arranged in the shell in a bending manner and a connector structure which is connected to one end of the FPC structure, extends to the outer side of the shell and is used for being connected with a terminal; an abutting part used for abutting against the end, away from the LCD module, of the FPC structure, an avoiding part used for avoiding the FPC structure and a positioning column structure used for fixing the FPC structure are arranged on the side, making contact with the FPC structure, of the shell, and a positioning hole structure matched with the positioning column structure is formed in the FPC structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid crystal display module technical field, especially relate to a FPC hidden type liquid crystal display module. BACKGROUND

[0002] Liquid crystal display module is widely used in wearing, mobile phone, industrial control, vehicle-mounted, security and the like, and FPC (flexible circuit board) is one of important accessories on liquid crystal module for connecting liquid crystal module and whole machine display, usually FPC is bent to the back of display module and fixed after binding and gluing with display screen, which is convenient for subsequent communication with whole machine.

[0003] In the prior art, the FPC in the existing liquid crystal display module is usually attached on the shell after bending, but the attachment precision cannot be guaranteed, and the production efficiency is greatly affected by the frequent misalignment, the bent FPC is also moved by its own tension when the adhesive is not firm, resulting in damage of the FPC, and the FPC is often scratched by the step groove in the shell during installation of the shell after bending, resulting in damage of the FPC, and the bending part of the FPC is easily disturbed by communication signals after bending. SUMMARY

[0004] Therefore, the utility model discloses a FPC hidden type liquid crystal display module, which can effectively solve the above-mentioned problems in the prior art.

[0005] A FPC hidden type liquid crystal display module, comprising a shell, an LCD module arranged in the shell, and an FPC assembly electrically connected to the LCD module and arranged in the shell, the FPC assembly comprising an FPC structure bent in the shell and a connector structure connected to one end of the FPC structure and extending to the outside of the shell for connecting a terminal, a contact portion for abutting against one end of the FPC structure away from the LCD module, a avoiding portion for avoiding the FPC structure, and a positioning column structure for fixing the FPC structure are arranged on one side of the shell in contact with the FPC structure, and a positioning hole structure adapted to the positioning column structure is formed on the FPC structure.

[0006] The utility model discloses beneficial effect is: through setting the avoiding part, to make FPC structure after bending in the process of installing the shell will not be scratched, avoid FPC structure damage, through setting the abutting part, to make FPC structure after bending can be with the one end of FPC structure away from LCD module abut on the abutting part and position FPC structure, and then guarantee the sticking accuracy of FPC structure, increase work efficiency, through setting the positioning post structure and the positioning hole structure, to make the FPC structure on the abutting part can be more accurate positioning through the positioning hole structure and the positioning post structure, and when the viscose is not firm, through the cooperation of positioning post structure and positioning hole structure, make FPC structure not be moved by self tension, avoid FPC structure damage.

[0007] Further, the PI structure is arranged on the upper surface and the lower surface of the FPC structure.

[0008] Further, the EMI structure is arranged on the PI structure.

[0009] Further, the height of the positioning post structure is A, the thickness of the FPC structure is B, the thickness of the PI structure is C, the thickness of the EMI structure is D, and C+D

[0010] Further, the depth of the abutting part is E, and E>C+D.

[0011] Further, the solder pad structure is arranged on the FPC structure for electrically connecting the LCD module, the cover film window is arranged on the FPC structure corresponding to the solder pad structure, the cover film window is arranged on the LCD module, and the PI structure and the EMI structure are arranged around the cover film window.

[0012] Further, the steel sheet is arranged on the connector structure for reinforcement.

[0013] Further, the shielding structure is arranged in the shell, the shielding structure is arranged on the side of the FPC structure facing the connector structure, and the bending part of the FPC structure is covered by the shielding structure.

[0014] Further, one end of the shielding structure facing the connector structure is a spherical surface. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structure schematic view of FPC hidden type liquid crystal display module in the utility model embodiment.

[0016] Figure 2 It isFigure 1 Enlarged view of the local part A;

[0017] Figure 3 The bottom view schematic diagram of the FPC hidden type liquid crystal display module removing the rear shell in the embodiment of the present application;

[0018] Figure 4 The position schematic diagram of the cover film window of the FPC structure in the embodiment of the present application;

[0019] Figure 5 The structure schematic diagram of the shielding structure in the embodiment of the present application;

[0020] Main component symbol explanation:

[0021]

[0022]

[0023] The following detailed description will further illustrate the present application in connection with the above-mentioned drawings. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The drawings show several embodiments of the present application. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0025] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be intervening elements. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present. As used herein the terms "vertical", "horizontal", "left", "right", and the like are merely for purposes of illustration.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0027] Please refer to Figures 1 to 5The utility model discloses FPC hidden type liquid crystal display module, including the shell 10, set up in the LCD module 20 of shell 10 in the shell 10 and set up in the FPC component 30 of electric connection of shell 10 with LCD module 20, FPC component 30 includes the FPC structure 31 of bending setting in the shell 10 and the connector structure 32 of connecting in the FPC structure 31 one end extends to the outside for connecting terminal of shell 10, the abutting part 11 for abutting the FPC structure 31 away from the one end of LCD module 20 is arranged on the side of shell 10 with FPC structure 31 contacts, the avoiding part 12 for avoiding FPC structure 31 and the positioning column structure 13 for fixing FPC structure 31 are arranged, and the positioning hole structure 311 that is adapted with positioning column structure 13 is seted up on the FPC structure 31.

[0028] It can be understood that by setting the avoiding part 12, the FPC structure 31 can not be scratched during the installation of the shell 10 after being bent, and damage to the FPC structure 31 is avoided. By setting the abutting part 11, the FPC structure 31 can be positioned by abutting the end away from the LCD module 20 on the abutting part 11 after being bent, thereby ensuring the attachment accuracy of the FPC structure 31 and increasing work efficiency. By setting the positioning column structure 13 and the positioning hole structure 311, the FPC structure 31 abutting on the abutting part 11 can be more accurately positioned through the positioning hole structure 311 and the positioning column structure 13. When the adhesive is not firm, the FPC structure 31 will not move due to its own tension through the cooperation of the positioning column structure 13 and the positioning hole structure 311, and damage to the FPC structure 31 is avoided.

[0029] Further, the PI structure 312 for protecting the FPC structure 31 is arranged on the upper surface and the lower surface of the FPC structure 31.

[0030] It can be understood that by arranging the PI structure 312 for protecting the FPC structure 31 on the upper surface and the lower surface of the FPC structure 31, the bending resistance of the FPC structure 31 can be enhanced, thereby avoiding the risk of electric leakage and fracture of the FPC structure 31.

[0031] Further, the EMI structure 313 for suppressing electromagnetic interference is arranged on the PI structure 312 on the upper surface of the FPC structure 31.

[0032] It can be understood that by arranging the EMI structure 313 on the upper surface of the FPC structure 31 for suppressing electromagnetic interference, electromagnetic radiation can be suppressed or attenuated, thereby effectively suppressing electromagnetic interference and ensuring normal operation of the electronic device.

[0033] Further, the height of the positioning column structure 13 is A, the thickness of the FPC structure 31 is B, the thickness of the PI structure 312 is C, and the thickness of the EMI structure 313 is D, and C+D

[0034] Further, the depth of the abutting portion 11 is E, and E>C+D.

[0035] Further, the FPC structure 31 is arranged with a pad structure 314 for electrically connecting the LCD module 20, and the FPC structure 31 is arranged with a cover film window 315 corresponding to the pad structure 314, the cover film window 315 is arranged on the LCD module 20, and the PI structure 312 and the EMI structure 313 are arranged around the cover film window 315.

[0036] It can be understood that the cover film window 315 is arranged on the FPC structure 31 corresponding to the pad structure 314, so that the circuit on the FPC structure 31 does not need to be protected by the glue dispensing method, avoiding the influence of the glue stack on the bending of the FPC structure 31.

[0037] Further, the connector structure 32 is arranged with a steel sheet 321 for reinforcement.

[0038] It can be understood that by arranging the steel sheet 321 for reinforcement on the connector structure 32, the flexibility of the connector structure 32 is further enhanced, and the strength of the connector structure 32 is improved.

[0039] Further, the housing 10 is further arranged with a shielding structure 40, the shielding structure 40 is arranged on the side of the FPC structure 31 facing the connector structure 32, and the bending part of the FPC structure 31 is covered by the shielding structure 40.

[0040] It can be understood that by arranging the shielding structure 40 in the housing 10 and covering the bending part of the FPC structure 31 with the shielding structure 40, the external signal interference to the signal wiring in the bending part of the FPC structure 31 can be reduced.

[0041] Further, one end of the shielding structure 40 facing the connector structure 32 is spherical.

[0042] It can be understood that by setting the shielding structure 40 as a spherical surface towards one end of the connector structure 32, the shielding structure 40 is prevented from scratching the connector structure 32 when the shell 10 is installed.

[0043] To sum up, the FPC hidden liquid crystal display module in the above-mentioned embodiments of the present application is not scratched in the process of installing the shell after the FPC structure is bent by setting the avoiding part, and the FPC structure is prevented from being damaged; the FPC structure can be positioned by abutting one end of the FPC structure away from the LCD module on the abutting part after the FPC structure is bent, so as to ensure the attaching precision of the FPC structure and increase the work efficiency; the FPC structure abutting on the abutting part can be more accurately positioned by the positioning hole structure and the positioning column structure, and the FPC structure is prevented from moving due to its own tension and being damaged by the cooperation of the positioning column structure and the positioning hole structure when the adhesive is not firm.

[0044] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0045] The above-described embodiments only express several implementation manners of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A FPC hidden liquid crystal display module, characterized in that, The application relates to a LCD module, which comprises a shell, an LCD module arranged in the shell and an FPC assembly arranged in the shell and electrically connected with the LCD module, wherein the FPC assembly comprises an FPC structure arranged in the shell in a bending mode and a connector structure connected to one end of the FPC structure and extending to the outside of the shell for connecting a terminal; a contact part for abutting against the FPC structure away from the LCD module, a avoiding part for avoiding the FPC structure and a positioning column structure for fixing the FPC structure are arranged on the side of the shell in contact with the FPC structure; and a positioning hole structure matched with the positioning column structure is arranged on the FPC structure.

2. The FPC concealed liquid crystal display module according to claim 1, wherein, PI structures for protecting the FPC structure are arranged on the upper surface and the lower surface of the FPC structure.

3. The FPC concealed liquid crystal display module according to claim 2, characterized in that, EMI structures for inhibiting electromagnetic interference are arranged on the upper surface of the FPC structure and on the PI structures.

4. The FPC concealed liquid crystal display module according to claim 3, characterized in that, The height of the positioning column structure is A, the thickness of the FPC structure is B, the thickness of the PI structure is C, the thickness of the EMI structure is D, C+D 5. The FPC concealed liquid crystal display module according to claim 4, characterized in that, The depth of the contact part is E, and E>C+D.

6. The FPC concealed liquid crystal display module according to claim 5, characterized in that, Pad structures for electrically connecting the LCD module are arranged on the FPC structure, and cover film windows corresponding to the pad structures are arranged on the FPC structure, the cover film windows are arranged on the LCD module, and the PI structures and the EMI structures are arranged around the cover film windows.

7. The FPC concealed LCD module according to claim 1, wherein, Steel sheets for reinforcement are arranged on the connector structure.

8. The FPC concealed liquid crystal display module according to claim 1, wherein, Shielding structures are further arranged in the shell, the shielding structures are arranged on the side of the FPC structure facing the connector structure, and the bending part of the FPC structure is covered by the shielding structures.

9. The FPC concealed liquid crystal display module according to claim 8, characterized in that, The end of the shielding structure facing the connector structure is spherical.

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