CN205264262U - Panel display device - Google Patents

Abstract

The utility model provides a panel display device, this panel display device includes display panel and the flexible circuit board of being connected with this display panel, this display panel includes first base plate and the relative second base plate that sets up with this first base plate, this first base plate forms the structure that has the step shape with this second base plate in this display panel's one end, it is not the step face by the surface that this first base plate covered to define this second base plate, this step bread is drawn together a circuit component who is used for placing the circuit component that is connected with this flexible circuit board and is placed the district. The utility model provides a panel display device makes things convenient for the circuit component on module equipment and the not fragile flexible circuit board.

Description

flat panel display device

technical field

The utility model relates to the field of display technology, in particular to a flat panel display device.

Background technique

Flat-panel display devices, such as liquid crystal display devices and electromechanical laser display devices, have many advantages such as lightness, lightness, energy saving, and no radiation, so they are widely used in high-definition digital TVs, computers, personal digital assistants (PDAs), mobile phones, digital cameras, etc. in electronic equipment.

A flat panel display device usually includes a display panel, on which a driver chip is arranged, and the driver chip is connected to a printed circuit board through a flexible circuit board (Flexible Printed Circuit, FPC) bonded to the display panel to receive various signals provided by the printed circuit board. Various working signals, such as timing control signals, working voltage signals, etc. Usually, there are some circuit components on the flexible circuit board, such as resistors, capacitors, diodes, etc., in order to prevent the flat panel display device from damaging these circuit components when the module is assembled, the inside of the shell of the flat panel display device is usually designed with an empty slot. , used to place circuit components on flexible circuit boards bent due to assembly needs. However, the design of the evacuation slot must strictly correspond to the circuit component setting area on the flexible circuit board, otherwise, once the module is slightly shifted during assembly, the circuit components on the flexible circuit board cannot be completely placed in the evacuation slot. It is easy to cause damage to circuit elements, thereby affecting the display function of the flat panel display device. It can be seen that the way of designing the avoidance groove inside the shell of the flat panel display device is not conducive to module assembly, and the circuit elements on the flexible circuit board are easily damaged, which brings adverse effects on the flat panel display device.

Utility model content

The purpose of the utility model includes providing a flat panel display device to solve the problems of inconvenient assembly of modules of the flat panel display device and easy damage of circuit elements on the flexible circuit board in the prior art.

Specifically, an embodiment of the present invention provides a flat panel display device, the flat panel display device includes a display panel and a flexible circuit board connected to the display panel, the display panel includes a first substrate and a The second substrate, the first substrate and the second substrate form a stepped structure at one end of the display panel, defining the surface of the second substrate not covered by the first substrate as a stepped surface, the stepped surface includes a In the circuit component placement area where the circuit components connected with the flexible circuit board are placed.

In one embodiment, the flexible circuit board includes a main body area and a circuit element arrangement area connected to the main body area, the circuit element is arranged on the circuit element arrangement area, and the circuit element arrangement area is fixed on the stepped surface within the component placement area.

Preferably, the circuit component setting area is soldered to the main body area.

Preferably, the flexible circuit board further includes a branch mechanism connecting the main body area and the circuit element arrangement area.

Preferably, the branch structure is integrated with the main body area and the circuit element arrangement area.

Preferably, the branch mechanism is a connector, and the two ends of the connector are plugged into the main body area and the circuit component setting area respectively.

Preferably, the branch is L-shaped, straight or arc-shaped.

Preferably, there are one or more circuit elements.

In another embodiment, the circuit element is directly bonded to the circuit element placement area, and the lines and pins passing through the bonding area of the second substrate are connected to the flexible circuit board.

Preferably, the height of the circuit element placed behind the circuit element placement area is not greater than the step height of the stepped structure.

In the flat panel display device provided by the utility model, circuit components related to the flexible circuit board are placed in the circuit component placement area by setting the circuit component placement area on the stepped surface of the stepped structure formed by the first substrate and the second substrate. In the case, there is no need to design an additional escaping groove inside the shell of the flat panel display device, which improves the conditions for the height of the space occupied by the circuit components. Even if there is a slight offset during module assembly, it will not affect the placement of the circuit components. Therefore, the module assembly of the flat panel display device is facilitated and the circuit elements are not easily damaged.

The above description is only an overview of the technical solutions of the present utility model. In order to better understand the technical means of the present utility model, it can be implemented according to the contents of the description, and in order to make the above-mentioned and other purposes, features and advantages of the present utility model better It is obvious and easy to understand. The preferred embodiments are specifically cited below, together with the accompanying drawings, and detailed descriptions are as follows.

Description of drawings

FIG. 1 is a partial plan view of a flat panel display device provided by the first embodiment of the present invention.

FIG. 2 is a schematic cross-sectional structure diagram of the flat panel display device shown in FIG. 1 along the line II-II.

FIG. 3 is a partial plan view of a flat panel display device provided by the second embodiment of the present invention.

detailed description

In order to further explain the technical means and effects adopted by the utility model to achieve the intended purpose, the specific implementation methods, methods, steps, The structure, characteristics and functions are described in detail below.

The aforementioned and other technical contents, features and effects of the present utility model will be clearly presented in the following detailed description of preferred embodiments with reference to the drawings. Through the description of the specific implementation mode, the technical means and effects of the utility model to achieve the predetermined purpose can be understood more deeply and specifically, but the attached drawings are only for reference and description, and are not used to explain the utility model. new restrictions.

Please refer to Fig. 1 and Fig. 2 together, wherein, Fig. 1 is a schematic diagram of a partial plane structure of a flat panel display device provided by the first embodiment of the present utility model, and Fig. 2 is a schematic diagram of the flat panel display device shown in Fig. 1 along the line II- Schematic diagram of the cross-sectional structure of II. As shown in FIGS. 1 and 2 , the flat panel display device 10 includes a display panel 11 and a flexible circuit board 13 connected to the display panel 11 . The flat panel display device 10 may be a liquid crystal display device, an organic electro-laser display device, an electrophoretic display device, and the like.

The display panel 11 includes a first substrate 111 and a second substrate 112 opposite to the first substrate 111 . Wherein, the first substrate 111 does not completely cover the second substrate 112, thus the first substrate 111 and the second substrate 112 form a stepped structure at one end of the display panel 11, defining that the second substrate 112 is not covered. The surface covered by the first substrate 111 is the stepped surface 120 . The second substrate 112 is provided with a bonding area (not marked), the bonding area includes the stepped surface 120, and the bonding area is used for bonding the driving chip 15 and the flexible circuit board 13, wherein the driving chip 15 is set On the stepped surface 120 , one end of the flexible circuit board 13 is disposed at the edge of the stepped surface 120 , and the other end is connected to an external circuit board, such as a printed circuit board.

Wherein, the stepped surface 120 includes a circuit component placement area 1201 . The flexible circuit board 13 includes a main body area 130, a branch structure 132, and a circuit element setting area 133, and one or more circuit elements 16 connected to the flexible circuit board 13, such as resistors and capacitors, are arranged on the circuit element setting area 133. , diodes, power chips, etc., the circuit element placement area 133 is placed in the circuit element placement area 1201, and can be fixed on the stepped surface 120 by means of gluing or the like. Preferably, after the circuit component 16 is placed in the circuit component placement area 1201, the height of the circuit component 16 is equal to or smaller than the plane where the outer surface parallel to the stepped surface 120 of the first substrate 111 is located and the step The distance between the surfaces 120 , that is, the height of the circuit component 16 placed behind the circuit component placement area 1201 is not greater than the step height of the stepped structure formed by the first substrate 111 and the second substrate 112 . The circuit component setting area 133 is connected to the main body area 130 through the branch structure 132 , one end of the branch structure 132 is connected to the circuit component setting area 133 , and the other end is connected to the main body area 130 . Preferably, the branch 132 is L-shaped. In other embodiments, the branch mechanism 132 can also be straight, arc and so on. In this embodiment, the branch structure 132 is an integral structure with the main body area 130 and the circuit component placement area 133 . In another embodiment, the branch mechanism 132 can be a connector, which is connected to the main body area 130 and the circuit component setting area 133 in a plug-in manner, such as the two ends of the connector are plugged into the main body area 130 and the circuit element setting area 133 respectively. The circuit element setting area 133 . In yet another embodiment, the branch structure 132 can be omitted, and the circuit component setting area 133 is directly welded to the main body area 130 .

In the flat panel display device 10 provided in this embodiment, since the first substrate 111 and the second substrate 112 form a stepped structure at one end of the display panel 11, the stepped structure is on the second substrate 112 The formed step surface 120 includes the circuit element placement area 1201, which is used to place circuit elements related to the flexible circuit board 13, without designing an escape groove inside the shell of the flat panel display device 10, which improves the circuit The condition of the height of the space occupied by the components, even if there is a slight offset during the module assembly, will not affect the placement of the circuit components on the flexible circuit board 13, therefore, the module assembly is convenient and the circuit components are not easily damaged.

Please refer to FIG. 3 , wherein FIG. 3 is a schematic plan view of a flat panel display device provided by the second embodiment of the present invention. As shown in FIG. 3 , the flat panel display device 20 is similar to the flat panel display device 10 provided in the first embodiment, the difference is that the flexible circuit board 23 of the flat panel display device 20 does not need a branch structure and a circuit element arrangement area, and the circuit The components are directly bonded to the circuit component placement area 2201 of the stepped surface 220 , and are connected to the flexible circuit board 23 through the lines and pins in the bonding area of the second substrate 212 .

Therefore, compared with the display device 10 provided by the first embodiment, the flat panel display device 20 provided by this embodiment does not need to provide a branch structure and a circuit element arrangement area on the flexible circuit board 23, and only needs to be placed on the second substrate 212. Circuits and pins related to circuit elements are designed on the bonding area and the flexible circuit board 23 , which simplifies the structure of the flexible circuit board 23 .

To sum up, the flat panel display device provided by the utility model places the circuit components related to the flexible circuit board on the step surface of the stepped structure formed by the first substrate and the second substrate by setting the circuit component placement area. In the circuit component placement area, there is no need to design an additional space avoidance groove inside the shell of the flat panel display device, which improves the condition of the space height required by the circuit components, and even if there is a slight offset during module assembly, it will not affect Therefore, the placement of the circuit components facilitates the module assembly of the flat panel display device and does not easily damage the circuit components.

The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as above with the preferred embodiment, it is not used to limit the utility model. Anyone who is familiar with Those skilled in the art, without departing from the scope of the technical solution of the utility model, can use the technical contents disclosed above to make some changes or modify them into equivalent embodiments with equivalent changes, provided that they do not depart from the technical solution of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (10)

1. a panel display apparatus, this panel display apparatus comprise display floater and with this display floaterThe flexible PCB connecting, this display floater comprises first substrate and is oppositely arranged with this first substrateSecond substrate, is characterized in that, this first substrate and this second substrate are one end of this display floater shapeBecome to have the structure of step shape, defining the surface that this second substrate do not cover by this first substrate is platformTerrace, this step surface comprises that one for placing the circuit elements of the component being connected with this flexible PCBPart rest area.

2. panel display apparatus according to claim 1, is characterized in that, this flexible PCBComprise the component setting area that He Yugai body region, body region connects, this component is arranged on this electricityOn circuit component setting area, this component setting area is fixed on the component rest area on this step surfaceIn.

3. panel display apparatus according to claim 2, is characterized in that, this component is establishedPut the welding of Yu Gai body region, district.

4. panel display apparatus according to claim 2, is characterized in that, this flexible PCBFurther comprise the branch that connects this body region and this component setting area.

5. panel display apparatus according to claim 4, is characterized in that, this branch withThis body region and this component setting area are integrated.

6. panel display apparatus according to claim 4, is characterized in that, this branch isConnector, the two ends of this connector are plugged in respectively this body region and this component setting area.

7. panel display apparatus according to claim 4, is characterized in that, this branch isL-type, linear pattern or arc.

8. panel display apparatus according to claim 1, is characterized in that, described componentFor one or more.

9. panel display apparatus according to claim 1, is characterized in that, this component is straightMeet nation and fix on component rest area, the circuit by this second substrate Bang Ding district and pin and this is softProperty circuit board connect.

10. panel display apparatus according to claim 1, is characterized in that, is placed on this circuitThe step that the height of this component behind element rest area is not more than this structure with step shape is highDegree.