CN220798626U

CN220798626U - FPC structure and liquid crystal display module

Info

Publication number: CN220798626U
Application number: CN202322172676.6U
Authority: CN
Inventors: 黄素玲
Original assignee: Truly Semiconductors Ltd
Current assignee: Truly Semiconductors Ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-04-16
Anticipated expiration: 2033-08-11

Abstract

The utility model provides an FPC structure and a liquid crystal display module, wherein the FPC structure comprises: the universal FPC (1) and the transfer FPC (2), the universal FPC (1) comprises a first golden finger (11), the first golden finger (11) is covered with conductive adhesive, and the first golden finger (11) of the universal FPC (1) is connected with the second golden finger (21) of the transfer FPC (2) through the conductive adhesive in a pressing mode, so that electrical conduction between the universal FPC (1) and the transfer FPC (2) is achieved. When in actual use, the two are connected and conducted, and through the scheme, the embodiment of the utility model has the advantages that: the method has the advantages that various FPCs are produced separately, so that the typesetting utilization rate of the FPCs is increased, and the cost is saved; the design difficulty is reduced, the circuit is designed on a universal FPC, and the switching of the FPC is realized only by arranging a lead structure, so that the research and development time is greatly saved; the universal FPC can be produced in a large scale, the production efficiency is improved, various switching FPCs are provided according to different requirements, and the universal FPC can be oriented to more users.

Description

FPC structure and liquid crystal display module

Technical Field

The utility model relates to the technical field of display screens, in particular to an FPC structure and a liquid crystal display module.

Background

In the field of display technology, FPC (Flexible Printed Circuit, flexible circuit board) is a flexible printed circuit board made of polyimide or polyester film as a base material, which has high reliability, and is excellent in that its characteristics are commonly used for connecting TFT (Thin Film Transistor ) and other devices such as clients.

For TFT display screens of different styles, often because the structure is different, the mounting means is also different to lead to FPC's structure various, according to customer's different installation demand, a section TFT often can derive N many money FOG (TFT+IC+FPC), this just needs to design different FPC structures to the installation requirement of difference, has greatly increased research and development time and cost.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an FPC structure and a liquid crystal display module.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an FPC structure comprising: the universal FPC comprises a first golden finger, conductive adhesive is covered on the first golden finger, and the first golden finger of the universal FPC is connected with a second golden finger of the switching FPC through the conductive adhesive in a pressing mode, so that electrical conduction between the universal FPC and the switching FPC is achieved.

As a preferable improvement mode of the utility model, the functional circuits of the liquid crystal display module are all arranged on a universal FPC, and only wires are arranged on the switching FPC.

As a preferable improvement mode of the utility model, the universal FPC is arranged in a shape of a Chinese character 'tu', and the first golden finger is arranged at the bottom edge of the Chinese character 'tu'.

As a preferable improvement mode of the utility model, the switching FPC is rectangular and is used for connecting the universal FPC and the client.

As a preferable improvement mode of the utility model, the switching FPC is arranged in an L shape and is used for connecting the universal FPC and the client.

As a preferable improvement mode of the utility model, the first golden fingers and the second golden fingers are in one-to-one correspondence.

As a preferable modification of the present utility model, the general FPC uses a mylar or polyimide as a base material.

As a preferable improvement mode of the utility model, the first golden finger and the second golden finger are made of conductive metal.

As a preferred modification of the present utility model, the universal FPC further includes a TFT connection terminal for connecting to a TFT display screen.

In a second aspect, an embodiment of the present utility model further provides a liquid crystal display module, including a TFT display screen, an IC module, and an FPC structure provided by any one of the embodiments of the present utility model.

Compared with the prior art, the utility model has the advantages and positive effects that,

in the utility model, during actual use, the traditional integrated FPCs designed according to different installation requirements are divided into at least two parts, wherein the at least two parts comprise a universal FPC and a transfer FPC, the universal FPC is fixed in structure, the transfer FPC can be customized according to different requirements, and the two parts are connected and conducted during actual use, so that the embodiment of the utility model has the advantages that:

1. the method has the advantages that various FPCs are produced separately, so that the typesetting utilization rate of the FPCs is increased, and the cost is saved;

2. the design difficulty is reduced, the circuit is designed on a universal FPC, and the switching of the FPC is realized only by arranging a lead structure, so that the research and development time is greatly saved;

3. the universal FPC can be produced in a large scale, so that the production efficiency is improved;

4. and a plurality of switching FPCs are provided according to different requirements, so that more users can be faced.

Drawings

Fig. 1 is a schematic structural view of an FPC structure provided by the present utility model;

fig. 2 is a schematic layout view of an FPC (a) according to the present utility model;

fig. 3 is a schematic layout view of an FPC (B) according to the present utility model;

fig. 4 is a schematic layout diagram of a general FPC provided by the present utility model;

fig. 5 is a schematic layout diagram of a transfer FPC according to the present utility model;

fig. 6 is a schematic layout diagram of a transfer FPC according to the present utility model;

fig. 7 is a schematic structural diagram of an FPC structure according to the present utility model;

fig. 8 is a schematic structural diagram of a liquid crystal display module according to the present utility model.

Legend description:

1. a universal FPC; 11. a first golden finger; 12. a TFT connection terminal; 2. switching the FPC; 21. a second golden finger; 100. a TFT display screen; 200. an IC module; 300. and FPC structure.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Referring to fig. 1, the embodiment of the utility model provides a technical scheme:

an FPC structure comprising: the universal FPC1 and the switching FPC2, the universal FPC1 includes first golden finger 11, cover conductive adhesive on the first golden finger 11, when in actual use, pass through between the first golden finger 11 of universal FPC1 and the second golden finger 21 of switching FPC2 conductive adhesive pressfitting is connected, in order to realize electric conduction between universal FPC1 and the switching FPC 2.

Through the arrangement, the universal FPC1 and the transfer FPC2 can be produced separately, the universal FPC can be produced in a large scale, and the transfer FPC can be customized and produced according to various requirements of different customers, so that the production efficiency is improved, and more users are faced.

In addition, multiple FPCs are produced separately, so that the typesetting utilization rate of the FPCs is increased, and the cost is saved. Specifically, please refer to fig. 2-3, which are schematic layout diagrams of the FPCs (a) and (B) when the FPCs are not separately produced; with the above embodiment, referring to fig. 4-6, the universal FPC1 and the adapting FPC2 or the adapting FPC 2' are separately produced, and it can be seen that, under the same area, 8 particles are arranged in the FPC (a), and 21 particles are arranged in the universal FPC1 and the adapting FCP 2; 8 FPC (B) rows, and general FPC1 and switching FCP2' can arrange 12, and the utilization ratio of FPC typesetting has greatly increased, has greatly saved the cost.

As a preferred embodiment, the functional circuits of the liquid crystal display module are all disposed on the universal FPC1, and only the wires are disposed on the switching FPC 2. The advantage of this is: the circuit structure designs are all arranged on the universal FPC, so that the efficiency of mass production is improved; only the lead structure is arranged for the customized transfer FPC, so that the design difficulty is reduced, the research and development time is greatly saved, the pertinence is high, and the flexible transfer FPC can be flexibly oriented to more users.

As a preferred embodiment, referring to fig. 1, the universal FPC1 is arranged in a "convex" shape, and the first gold finger 11 is arranged at the bottom side of the "convex" shape. The advantages of this arrangement are: and the typesetting utilization rate of the FPC is increased.

As a preferred embodiment, referring to fig. 1, the patch FPC2 is rectangular and is used for connecting the universal FPC1 and a client.

As a preferred embodiment, referring to fig. 7, the adapting FPC2 is L-shaped and is used for connecting the universal FPC1 and a client. The advantage of this is: and more installation requirements can be met.

As a preferred embodiment, the first golden fingers 11 and the second golden fingers 21 are in one-to-one correspondence, so as to facilitate the electrical connection between the universal FPC1 and the adapting FPC 2.

As a preferred embodiment, the universal FPC1 uses a mylar or polyimide as a base material.

As a preferred embodiment, the first gold finger 11 and the second gold finger 21 are made of conductive metal. Preferably, the gold fingers all use copper foil as a substrate and are plated with gold to enhance the life thereof.

As a preferred embodiment, referring to fig. 7, the universal FPC1 further includes a TFT connection terminal 12, and the TFT connection terminal 12 is used to connect to a TFT display screen, so that the TFT display screen is connected to a client through an FPC structure.

In the technical scheme provided by the embodiment of the utility model, the traditional integrated FPCs designed according to different installation requirements are divided into at least two parts, wherein the at least two parts comprise a universal FPC and a transfer FPC, the universal FPC is fixed in structure, the transfer FPC can be customized according to different requirements, and the two parts are connected and conducted in actual use, so that the embodiment of the utility model has the advantages that: the method has the advantages that various FPCs are produced separately, so that the typesetting utilization rate of the FPCs is increased, and the cost is saved; the design difficulty is reduced, the circuit is designed on a universal FPC, and the switching of the FPC is realized only by arranging a lead structure, so that the research and development time is greatly saved; the universal FPC can be produced in a large scale, the production efficiency is improved, various switching FPCs are provided according to different requirements, and the universal FPC can be oriented to more users.

In a second aspect, referring to fig. 8, an embodiment of the present utility model further provides a liquid crystal display module, including a TFT display 100, an IC module 200, and an FPC structure 300 according to any one of the embodiments of the present utility model. In actual use, the TFT display screen 100, the IC module 200 and the FPC structure 300 are electrically connected in sequence, and different clients are connected through different FPC structures 300, so that the operation of the clients on the liquid crystal display module is realized. The liquid crystal display module provided by the embodiment of the utility model has the beneficial effects described in the embodiment.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. An FPC structure, comprising: the universal FPC (1) and the transfer FPC (2), the universal FPC (1) comprises a first golden finger (11), the first golden finger (11) is covered with conductive adhesive, and the first golden finger (11) of the universal FPC (1) is connected with the second golden finger (21) of the transfer FPC (2) through the conductive adhesive in a pressing mode, so that electrical conduction between the universal FPC (1) and the transfer FPC (2) is achieved.

2. The FPC structure according to claim 1, wherein functional circuits of the liquid crystal display module are all provided on the general FPC (1), and only wires are provided on the transfer FPC (2).

3. The FPC structure according to claim 1, characterized in that the universal FPC (1) is arranged in a "convex" shape, and the first golden finger (11) is arranged at the bottom edge of the "convex" shape.

4. The FPC structure according to claim 1, characterized in that the transfer FPC (2) is rectangular for connecting the universal FPC (1) with a client.

5. The FPC structure according to claim 1, characterized in that the transfer FPC (2) is L-shaped for connecting the universal FPC (1) with a client.

6. The FPC structure according to claim 1, wherein the first gold fingers (11) are in one-to-one correspondence with the number and shape of the second gold fingers (21).

7. The FPC structure according to claim 1, characterized in that the universal FPC (1) is based on a mylar or polyimide.

8. The FPC structure according to claim 1, characterized in that the first gold finger (11) and the second gold finger (21) are made of conductive metal.

9. FPC structure according to claim 1, characterized in that the universal FPC (1) further comprises TFT connection terminals (12), the TFT connection terminals (12) being for connection to a TFT display screen.

10. A liquid crystal display module comprising a TFT display screen (100), an IC module (200), and the FPC structure (300) of any one of claims 1 to 9.