CN218601646U

CN218601646U - Liquid crystal display convenient to reprocess

Info

Publication number: CN218601646U
Application number: CN202223120795.9U
Authority: CN
Inventors: 李春平; 裴云飞; 黄俊江; 阳耀启; 季福贵; 张锦炀
Original assignee: Xinli Photoelectric Renshou Co Ltd
Current assignee: Xinli Photoelectric Renshou Co Ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-10
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a liquid crystal display convenient to reprocess, because be provided with the ZIF connector on the first FPC, second FPC passes through the ZIF connector and connects on first FPC, and be provided with electronic components district on the second FPC, consequently, can all electronic components set up on second FPC, and other not fragile parts are then laid on first FPC, also perhaps set up some electronic components that comparatively damage on second FPC, other reliable durable electronic components are then laid on first FPC, even electronic components on the second FPC take place to damage like this, also can directly more renew second FPC, other parts of display module assembly still can continue to use, thereby unnecessary material loss has been reduced, improve and reprocess efficiency and material utilization ratio, avoid leading to whole display module assembly to be unable to use, make the maintenance cost reduction of product, and then improve liquid crystal display's product competitiveness, thereby satisfy enterprise's growing requirement for quality.

Description

Liquid crystal display convenient to reprocess

Technical Field

The utility model relates to a liquid crystal display technical field, more specifically say, relate to a liquid crystal display convenient to reprocess.

Background

As shown in fig. 1 and 2, a conventional liquid crystal display screen of a mobile phone mainly comprises a display module and a backlight module, wherein the display module mainly comprises a cover plate, an upper polarizer, an upper substrate, a liquid crystal, a lower substrate, a lower polarizer and the like which are sequentially arranged from bottom to top, a driving IC and an FPC are arranged on the lower substrate, and the whole mobile phone provides necessary power and control models for the driving IC of the display module through the FPC so as to drive the display panel and display required pictures. A certain area is usually required on the FPC for SMT, and electronic components such as resistors, capacitors, and diodes required by some ICs are used to perform filtering, voltage stabilization, and electrostatic protection on corresponding circuits. But display module assembly often can appear colliding electronic components's the condition in production and assembling process, leads to electronic components on the FPC to drop to take corresponding the pad down on the FPC by the way, cause FPC damaged electronic components department can't reprocess, thereby lead to whole display module assembly can't use, form very big material loss, make the maintenance warranty cost of product too high, and then make liquid crystal display lack product competitiveness.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that solve how can repair under the condition of damaging less part when making electronic components damage, reduce the material loss for the maintenance warranty cost reduction of product, the repair of being convenient for.

The utility model discloses the technical problem that will solve realizes through following technical scheme:

for solving the technical problem, the utility model provides a liquid crystal display convenient to reprocess, it includes the upper substrate and sets up the infrabasal plate of upper substrate below, the infrabasal plate is long in the upper substrate and outwards stretching out are formed with the step, the infrabasal plate in step department has bound first FPC, be provided with the ZIF connector on the first FPC, the ZIF connector is connected with second FPC, be provided with electronic components district on the second FPC.

As the utility model provides a liquid crystal display's a preferred embodiment convenient to reprocess, electronic components district is provided with resistance, electric capacity and diode.

As the utility model provides a liquid crystal display's a preferred embodiment convenient to reprocess, first FPC include the substrate layer, set up in the circuit layer of the upper surface of substrate layer with set up in the metal heat dissipation layer of the lower surface of substrate layer.

As the utility model provides a liquid crystal display's a preferred embodiment convenient to reprocess, first FPC still includes that at least one runs through the substrate layer the circuit layer and the perforation of metal heat dissipation layer, the fenestrate inner wall be provided with the circuit layer the heat-conducting layer that the metal heat dissipation layer contacted.

As the utility model provides a liquid crystal display's a preferred embodiment convenient to reprocess, be provided with the heat conductor of being connected with outside heat conduction structure in the perforation, the heat conductor with the heat-conducting layer contacts.

As a preferred embodiment of liquid crystal display convenient to reprocess, the upper substrate top is provided with the polaroid, it is provided with the apron to go up the polaroid top, the below of infrabasal plate is provided with down the polaroid, is located the step department the edge of the upper surface of infrabasal plate is provided with the arch, the upper surface of infrabasal plate in the arch with it glues to be provided with the buffering between the upper substrate, the buffering glue with the apron butt.

As the utility model provides a liquid crystal display's a preferred embodiment convenient to reprocess, bellied upper surface with the upper surface parallel and level of upper substrate.

As the utility model provides a liquid crystal display's a preferred embodiment convenient to reprocess, the cushion gum is the silicone adhesive.

As a preferred embodiment of the liquid crystal display convenient to repair, protruding with be provided with the radius angle between the infrabasal plate.

As the utility model provides a liquid crystal display's a preferred embodiment convenient to reprocess, the upper surface of infrabasal plate with bellied side is rough surface.

The utility model discloses following beneficial effect has:

because the ZIF connector is arranged on the first FPC, the second FPC is connected to the first FPC through the ZIF connector, and the second FPC is provided with the electronic component area, all electronic components can be arranged on the second FPC, other components which are not easy to damage are arranged on the first FPC, or some electronic components which are easy to damage are arranged on the second FPC, other reliable and durable electronic components are arranged on the first FPC, therefore, even if the electronic components on the second FPC are damaged, the second FPC can be directly replaced with new ones, other components of the display module can still be continuously used, so that unnecessary material loss is reduced, the repair efficiency and the material utilization rate are improved, the situation that the whole display module cannot be used is avoided, the maintenance and repair cost of products is reduced, the product competitiveness of the liquid crystal display screen is improved, and the ever-increasing quality requirements of enterprises are met.

Drawings

In order to illustrate the solution of the present application more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained by those skilled in the art without inventive effort.

Fig. 1 is a schematic diagram of a liquid crystal display panel in the prior art.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is the utility model provides a pair of liquid crystal display structure schematic convenient to reprocess.

Fig. 4 is an enlarged view of fig. 3 at B.

Fig. 5 is a schematic diagram of a modified structure of the first FP in fig. 3.

Fig. 6 is a schematic structural view of embodiment 3.

The reference numbers indicate:

an upper substrate 1; a lower substrate 2; a first FPC3; a ZIF connector 4; a second FPC5; an electronic component section 6; a base material layer 31; a circuit layer 32; a metal heat dissipation layer 33; a perforation 34; an upper polarizer 7; a cover plate 8; a lower polarizer 9; a projection 21; a buffer rubber 22.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The utility model provides a liquid crystal display convenient to reprocess, it includes the upper substrate and sets up the infrabasal plate of upper substrate below, the infrabasal plate is longer than the upper substrate and outside stretching out are formed with the step, the infrabasal plate in step department has bound first FPC, be provided with the ZIF connector on the first FPC, the ZIF connector is connected with second FPC, be provided with electronic components district on the second FPC.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. The invention is described in detail below with reference to the drawings, wherein examples of the embodiments are shown in the drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

Example 1

Please refer to fig. 3 and 4, for the utility model provides a liquid crystal display convenient to repair, it includes upper substrate 1 and infrabasal plate 2, infrabasal plate 2 sets up in the below of upper substrate 1, infrabasal plate 2 is longer and the portion that outgrows than upper substrate 1 stretches out outward, the portion that stretches out outward forms the step, the upper surface of infrabasal plate 2 that is located the step department and outwards stretches out has bound first FPC3, be provided with ZIF connector 4 on first FPC3, ZIF connector 4 is connected with second FPC5, be provided with electronic components district 6 on second FPC5, because be provided with electronic components district 6 on second FPC5, consequently, can all electronic components set up on second FPC5, and other not fragile components are laid on first FPC3, also perhaps with some electronic components that are comparatively easy to damage set up on second FPC5, other reliable durable electronic components are laid on first FPC3, even the electronic components on second FPC5 damage like this, also can be with the second that directly renew more renew the module 5, other components that still can use the display unit that still.

Further, the electronic component section 6 is provided with a resistor, a capacitor, and a diode.

Example 2

As a further optimized solution of embodiment 1, with reference to fig. 3 to fig. 5, in this embodiment, the first FPC3 includes a substrate layer 31, a circuit layer 32 disposed on the upper surface of the substrate layer 31, and a metal heat dissipation layer 33 disposed on the lower surface of the substrate layer 31, and the circuit layer 32 and the metal heat dissipation layer 33 may be respectively adhered to the substrate layer 31 by a double-sided tape. Because the thickness of the substrate layer 31 is thin, the heat on the first FPC3 can be diffused to the metal heat dissipation layer 33 through the substrate layer 31, and the metal heat dissipation layer 33 can effectively increase the heat dissipation area of the first FPC3 to play a role of uniform heat dissipation, thereby improving the heat dissipation efficiency of the first FPC 3. The substrate layer 31 may be any one of polyimide, polyester, polysulfone, and polytetrafluoroethylene, the double-sided tape may be any one of an acrylic adhesive layer or an epoxy adhesive layer, and the metal heat dissipation layer 33 may be a copper foil layer.

Further, the first FPC3 further includes at least one perforation 34 penetrating through the substrate layer 31, the circuit layer 32 and the metal heat dissipation layer 33, a heat conduction layer contacting the circuit layer 32 and the metal heat dissipation layer 33 is disposed on an inner wall of the perforation 34, the circuit layer 32 and the metal heat dissipation layer 33 on both sides of the substrate layer 31 can be electrically connected by using a good heat conduction performance of the perforation 34, a good heat conduction function is exerted, and the heat conduction layer can provide a heat conduction function to achieve a good heat dissipation effect. The heat conducting layer can be a copper adhesive conductive ink layer.

Further, a heat conductor connected to an external heat conducting structure is disposed in the through hole 34, and the heat conductor is connected to the external heat conducting structure from one side of the circuit layer 32 and is also in contact with the heat conducting layer in the through hole 34, so that the circuit layer 32 and the metal heat dissipation layer 33 can be connected to the external heat conducting structure through the through hole 34, and heat in the first FPC3 is diffused to the external heat conducting structure through the heat conductor in the through hole 34, thereby further improving the heat dissipation efficiency of the first FPC 3. Preferably, the through hole 34 is provided at an edge position of the first FPC3 in order that the through hole 34 may be connected with an external heat conductive structure.

Further, the metal heat dissipation layer 33 is an even heat dissipation structure, and the structure thereof may be any one of a mesh structure, a strip structure, a wave structure or a honeycomb structure.

Example 3

Referring to fig. 3, 4 and 6, as a further optimization scheme of embodiment 1, in this embodiment, an upper polarizer 7 is disposed above the upper substrate 1, a cover plate 8 is disposed above the upper polarizer 7, a lower polarizer 9 is disposed below the lower substrate 2, a protrusion 21 is disposed at an edge of an upper surface of the lower substrate 2 located at the step, a buffer glue 22 is disposed between the protrusion 21 and the upper substrate 1 on the upper surface of the lower substrate 2, and the buffer glue 22 abuts against the cover plate 8. Because the edge of the lower substrate 2 is provided with the protrusion 21, the protrusion 21 can limit the flow of the buffer glue 22, so that the form of the buffer glue 22 is easy to control, and the phenomena of glue overflow or insufficient glue dispensing can not occur. Thereby preventing the liquid crystal display module from being assembled with the casing. Thereby avoiding the problems of poor buffer effect and easy breakage of the lower substrate 2 caused by insufficient dispensing and preventing abnormal display of the liquid crystal display module.

Further, the upper surface of the protrusion 21 is flush with the upper surface of the upper substrate 1 to further limit the flow of the cushion rubber 22, so that the form of the cushion rubber 22 is easy to control, and the phenomena of rubber overflow or insufficient dispensing can not occur.

Further, the cushion adhesive 22 is a silicone adhesive.

Further, a rounded corner is provided between the protrusion 21 and the lower substrate 2, so that the buffer glue 22 more easily fills the space between the protrusion 21 on the upper surface of the lower substrate 2 and the upper substrate 1, and the protrusion 21 provided with the rounded corner can make the buffer glue 22 more smoothly flow into the space between the protrusion 21 on the upper surface of the lower substrate 2 and the upper substrate 1, so that air bubbles are not easily generated.

Further, the upper surface of the lower substrate 2 and the side surfaces of the protrusions 21 are rough surfaces to improve the fixing effect of the cushion rubber 22. Preferably, the rough surface is a frosted surface or diamond knurls to further enhance the fixing effect of the cushion gum 22.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. The utility model provides a liquid crystal display convenient to reprocess, its characterized in that, it includes the upper substrate and sets up the infrabasal plate of upper substrate below, the infrabasal plate is good at the upper substrate and outwards stretch out and be formed with the step, the infrabasal plate in step department has bound first FPC, be provided with the ZIF connector on the first FPC, the ZIF connector is connected with second FPC, be provided with electronic components district on the second FPC.

2. The liquid crystal display screen convenient to repair of claim 1, wherein the electronic component section is provided with a resistor, a capacitor and a diode.

3. The liquid crystal display screen convenient to repair of claim 1, wherein the first FPC comprises a substrate layer, a circuit layer arranged on the upper surface of the substrate layer and a metal heat dissipation layer arranged on the lower surface of the substrate layer.

4. The liquid crystal display screen convenient to repair of claim 3, wherein the first FPC further comprises at least one perforation penetrating through the substrate layer, the circuit layer and the metal heat dissipation layer, and a heat conduction layer contacting with the circuit layer and the metal heat dissipation layer is arranged on the inner wall of the perforation.

5. The liquid crystal display screen convenient to rework as recited in claim 4, wherein a heat conductor connected to an external heat conducting structure is disposed in the perforation, and the heat conductor contacts the heat conducting layer.

6. The liquid crystal display screen convenient to repair of claim 1, wherein an upper polarizer is disposed above the upper substrate, a cover plate is disposed above the upper polarizer, a lower polarizer is disposed below the lower substrate, a protrusion is disposed at an edge of the upper surface of the lower substrate at the step, a buffer glue is disposed between the protrusion and the upper substrate on the upper surface of the lower substrate, and the buffer glue abuts against the cover plate.

7. The liquid crystal display screen convenient to repair of claim 6, wherein the upper surface of the protrusion is flush with the upper surface of the upper substrate.

8. The liquid crystal display screen convenient to repair of claim 6, wherein the buffer glue is a silicone glue.

9. The liquid crystal display screen convenient to repair of claim 6, wherein a rounded corner is arranged between the protrusion and the lower substrate.

10. The liquid crystal display screen convenient to repair of claim 6, wherein the upper surface of the lower substrate and the side surfaces of the protrusions are rough surfaces.