CN210223406U

CN210223406U - Display module and electronic equipment

Info

Publication number: CN210223406U
Application number: CN201921644592.5U
Authority: CN
Inventors: Yongchun Zhang; 张永春
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-03-31
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses an among the display module assembly, go up glass and lower glass superpose, lower glass is including the electric connection region that stretches out beyond the corresponding edge of last glass, the golden finger sets up on electric connection region, the golden finger includes at least a pair of metal pad, each pair of metal pad includes first metal pad and second metal pad, first metal pad includes first main pad and first supplementary pad, the second metal pad includes second main pad and second supplementary pad, first main pad and second main pad all extend along electric connection region's extending direction, and interval distribution, first supplementary pad is connected with first main pad, first supplementary pad sets up with second main pad interval; the second auxiliary bonding pad is connected with the second main bonding pad, and the second auxiliary bonding pad and the first main bonding pad are arranged at intervals. The problem that the electric connection stability is relatively poor between present display module assembly and the flexible circuit board can be solved to above-mentioned scheme. The utility model discloses an electronic equipment.

Description

Display module and electronic equipment

Technical Field

The utility model relates to a communication equipment technical field especially relates to a display module assembly and electronic equipment.

Background

At present, more and more electronic equipment disposes the display module assembly, and the display module assembly can make electronic equipment possess the display function. As shown in fig. 1-2, the display module includes an upper glass 101 and a lower glass 102, wherein the lower glass 102 includes an electrical connection area 1021 extending outside an edge of the upper glass 101, a metal trace is disposed on a surface of the electrical connection area 1021 facing the upper glass 101, the upper glass 101 and the lower glass 102 are bonded and fixed by a glue frame 103, a driving chip 104, a test probe 105 and a gold finger 106 are disposed on a surface of the electrical connection area 1021 facing the upper glass 101, the driving chip 104 is electrically connected to the metal trace disposed on the electrical connection area 1021 through a conductive glue layer, and the gold finger 106 is also electrically connected to a flexible circuit board 107 for supplying power to the display module through the conductive glue layer.

Referring again to fig. 1, the current gold finger 106 includes a plurality of rectangular metal pads 1061 arranged in parallel. As the screen occupation ratio of the electronic device is larger and larger, the protruding length of the electrical connection region 1021 is smaller and smaller, and thus the length of the gold finger 106 is smaller and smaller, which obviously results in a serious shortage of the connection area between the flexible circuit board 107 and the gold finger 106, and thus poor electrical connection stability between the flexible circuit board 107 and the gold finger 106.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a display module assembly and electronic equipment to solve the relatively poor problem of electric connection stability between present display module assembly and the flexible circuit board.

In order to solve the above problem, the utility model adopts the following technical scheme:

a display module comprises an upper glass, a lower glass and golden fingers, wherein the upper glass is superposed with the lower glass, the lower glass comprises an electric connection area extending outwards beyond the corresponding edge of the upper glass, the golden fingers are arranged on the electric connection area, the golden finger comprises at least one pair of metal pads, each pair of metal pads comprises a first metal pad and a second metal pad, the first metal pad includes a first main pad and a first auxiliary pad, the second metal pad includes a second main pad and a second auxiliary pad, the first main bonding pad and the second main bonding pad extend along the extending direction of the electric connection area and are distributed at intervals, the first auxiliary pad is connected with the first main pad, and the end part of the first auxiliary pad extends towards the second main pad and is arranged at an interval with the second main pad; the second auxiliary bonding pad is connected with the second main bonding pad, and the end part of the second auxiliary bonding pad extends towards the first main bonding pad and is arranged at an interval with the first main bonding pad.

Preferably, in the display module, one end of the first auxiliary pad is connected to the first main pad, and the other end of the first auxiliary pad extends toward a direction close to the second main pad; or one end of the second auxiliary pad is connected with the second main pad, and the other end of the second auxiliary pad extends towards the direction close to the first main pad.

Preferably, in the display module, the first auxiliary pad is perpendicular to the first main pad, and/or the second auxiliary pad is perpendicular to the second main pad.

Preferably, in the display module, the first metal pad and the second metal pad are L-shaped pads.

Preferably, in the display module, the first metal pad and the second metal pad are T-shaped pads.

Preferably, in the display module, the metal pads are provided in a plurality of pairs, the plurality of pairs of metal pads are distributed in rows on the electrical connection region, and two adjacent pairs of metal pads are distributed at intervals.

Preferably, in the display module, the display module is an LCD display module or an AMOLED display module.

Preferably, in the display module, the display module further includes a flexible circuit board, and one end of the flexible circuit board is electrically connected to each of the metal pads through a conductive adhesive.

An electronic device comprises the display module.

Preferably, in the above electronic device, the electronic device is a mobile phone, a tablet computer, an electronic book reader, a game machine or a smart watch.

The utility model discloses a technical scheme can reach following beneficial effect:

the utility model discloses a display module improves the structure of golden finger for the golden finger includes at least a pair of metal pad, and every pair of metal pad includes first metal pad and second metal pad, and first metal pad includes first supplementary pad, and second metal pad includes the supplementary pad of second, and first supplementary pad and second metal pad can cooperate with first main pad and the main pad of second respectively, thereby increase the area of first metal pad and second metal pad respectively. Because first supplementary pad and second supplementary pad make full use of are the space between first main pad and the second main pad of interval distribution to under the prerequisite that can not increase whole golden finger length size, make golden finger and flexible circuit board have bigger electric connection area, and then can adapt to the electric connection region that length is more and more short, be favorable to ensureing to increase electronic equipment's screen proportion when stabilizing the electric connection.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 and fig. 2 are schematic structural diagrams of a display module according to the prior art respectively;

fig. 3 is a schematic structural diagram of a display module according to an embodiment of the present invention;

FIG. 4 is a side view of FIG. 3;

fig. 5 is a schematic structural view of a gold finger disclosed in an embodiment of the present invention;

fig. 6 is a schematic structural view of another golden finger disclosed in the embodiment of the present invention.

Description of reference numerals:

101-upper glass, 102-lower glass, 1021-electrical connection area, 103-rubber frame, 104-drive chip, 105-test probe point, 106-golden finger, 1061-rectangular metal pad, 107-flexible circuit board,

100-coating glass,

200-lower glass, 210-electrical connection region,

300-gold finger, 310-first metal pad, 311-first main pad, 312-first auxiliary pad, 320-second metal pad, 321-second main pad, 322-second auxiliary pad,

400-flexible circuit board,

500-rubber frame,

600-driving chip.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Referring to fig. 3-6, an embodiment of the present invention discloses a display module, which can be applied to an electronic device, and includes an upper glass 100, a lower glass 200, and a golden finger 300.

The upper glass 100 is overlapped with the lower glass 200, in a general case, the upper glass 100 is generally fixedly supported on the lower glass 200 through a rubber frame 500, the lower glass 200 includes an electrical connection region 210 extending beyond a corresponding edge of the upper glass 100, a surface of the electrical connection region 210 facing the upper glass 100 is provided with metal traces, and the driving chip 600 is disposed on the electrical connection region 210 and electrically connected with the metal traces on the electrical connection region 210. Specifically, the driving chip 600 is fixed on the electrical connection region 210 through a conductive adhesive layer, and is electrically connected to the metal traces through the conductive adhesive layer.

The gold finger 300 is disposed on the electrical connection region 210, and specifically, the gold finger 300 is disposed on a surface of the electrical connection region 210 facing the upper glass 100. In general, the gold finger 300 may also be electrically connected to the metal trace through a conductive adhesive layer. The gold finger 300 is used to electrically connect with one end of the flexible circuit board 400, and the other end of the flexible circuit board 400 is usually electrically connected with a motherboard of an electronic device after being bent, and the motherboard of the electronic device is disposed on one side of the lower glass 200 away from the upper glass 100.

Referring again to fig. 3 and 5, in the embodiment of the invention, the gold finger 300 includes at least a pair of metal pads, and each pair of metal pads includes a first metal pad 310 and a second metal pad 320.

The first metal pad 310 includes a first main pad 311 and a first auxiliary pad 312, and the second metal pad 320 includes a second main pad 321 and a second auxiliary pad 322. The first main pads 311 and the second main pads 321 extend along the extending direction of the electrical connection region 210 and are distributed at intervals.

The first auxiliary pad 312 is connected to the first main pad 311, and an end of the first auxiliary pad 312 faces the second main pad 321 and is spaced apart from the second main pad 321. The first auxiliary pad 312 is positioned between the first main pad 311 and the second main pad 321, and the first auxiliary pad 312 can be mated with the first main pad 311, so that the area of the first metal pad 310 can be increased.

The second auxiliary pad 322 is connected to the second main pad 321, and an end of the second auxiliary pad 322 faces the first main pad 311 and is spaced apart from the first main pad 311. The second auxiliary pad 322 is located between the first main pad 311 and the second main pad 321. The second auxiliary pad 322 can be mated with the second main pad 321, so that the area of the second metal pad 320 can be increased.

The embodiment of the utility model discloses display module improves golden finger 300's structure for golden finger 300 includes at least a pair of metal pad, every pair of metal pad includes first metal pad 310 and second metal pad 320, first metal pad 310 includes first supplementary pad 312, second metal pad 320 includes second supplementary pad 322, first supplementary pad 312 and second supplementary pad 322 can cooperate with first main pad 311 and second main pad 321 respectively, thereby increase the area of first metal pad 310 and second metal pad 320 respectively. Because the first auxiliary bonding pad 312 and the second auxiliary bonding pad 322 make full use of the space between the first main bonding pad 311 and the second main bonding pad 321 which are distributed at intervals, on the premise that the length size of the whole golden finger 300 is not increased, the golden finger 300 and the flexible circuit board 400 have a larger connecting area, and the golden finger 300 can adapt to the electric connecting region 210 with shorter and shorter length, which is beneficial to increasing the screen occupation ratio of the electronic device while ensuring stable electric connection.

For convenience of manufacture, in a preferred embodiment, the first metal pad 310 and the second metal pad 320 may be an integrated metal pad formed by an integrated molding process.

The shapes of the first metal pad 310 and the second metal pad 320 may be various, and referring to fig. 5 again, one end of the first auxiliary pad 312 may be connected to the first main pad 311, the other end of the first auxiliary pad 312 may extend toward a direction close to the second main pad 321, and the other end of the first auxiliary pad 312 is spaced apart from the second main pad 321. Similarly, one end of the second auxiliary pad 322 may be connected to the second main pad 321, the other end of the second auxiliary pad 322 may extend toward a direction close to the first main pad 311, and the other end of the second auxiliary pad 322 is spaced apart from the first main pad 311.

Specifically, the first auxiliary pad 312 and the first main pad 311 may be perpendicular to each other, and similarly, the second auxiliary pad 322 and the second main pad 321 may also be perpendicular to each other. This structure can simplify the structures of the first and

second metal pads

310 and 320. In a preferred embodiment, the first metal pad 310 and the second metal pad 320 may be both L-shaped pads (as shown in fig. 5) and may also be both T-shaped pads (as shown in fig. 6).

In order to improve the electrical connection performance, in a more preferred embodiment, the gold finger 300 includes a plurality of pairs of metal pads, the metal pads of the plurality of pairs are distributed in a row on the electrical connection region 210, and two adjacent pairs of metal pads are spaced apart.

The embodiment of the utility model provides a Display module assembly disclosed can be LCD (Liquid Crystal Display) Display module assembly, also can be AMOLED (Active-matrix organic light-emitting diode) Display module assembly, the embodiment of the utility model provides a do not restrict the concrete kind of Display module assembly.

As described above, the golden finger 300 is used for being electrically connected with the flexible circuit board 400, and based on this, the embodiment of the utility model discloses a display module assembly still includes the flexible circuit board 400, and the one end of flexible circuit board 400 can be connected with each metal pad through electrically conductive adhesive bonding.

Based on the embodiment of the utility model discloses display module assembly, the embodiment of the utility model discloses an electronic equipment, disclosed electronic equipment include above embodiment display module assembly.

The embodiment of the utility model provides an electronic equipment can be equipment such as cell-phone, panel computer, electronic book reader, game machine, intelligent wrist-watch, the embodiment of the utility model provides a do not restrict electronic equipment's specific kind.

The utility model discloses what the key description in the above embodiment is different between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, consider that the literary composition is succinct, then no longer describe here.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A display module comprising an upper glass (100), a lower glass (200) and a gold finger (300), wherein the upper glass (100) is overlapped with the lower glass (200), the lower glass (200) comprises an electric connection region (210) extending beyond the corresponding edge of the upper glass (100), the gold finger (300) is arranged on the electric connection region (210), the gold finger (300) comprises at least one pair of metal pads, each pair of metal pads comprises a first metal pad (310) and a second metal pad (320), the first metal pad (310) comprises a first main pad (311) and a first auxiliary pad (312), the second metal pad (320) comprises a second main pad (321) and a second auxiliary pad (322), and the first main pad (311) and the second main pad (321) both extend along the extending direction of the electric connection region (210), The first auxiliary bonding pads (312) are connected with the first main bonding pads (311), and the end parts of the first auxiliary bonding pads (312) extend towards the second main bonding pads (321) and are arranged at intervals with the second main bonding pads (321); the second auxiliary pad (322) is connected to the second main pad (321), and an end of the second auxiliary pad (322) extends toward the first main pad (311) and is spaced apart from the first main pad (311).

2. The display module according to claim 1, wherein one end of the first auxiliary pad (312) is connected to the first main pad (311), and the other end of the first auxiliary pad (312) extends toward the second main pad (321); or, one end of the second auxiliary pad (322) is connected to the second main pad (321), and the other end of the second auxiliary pad (322) extends toward a direction close to the first main pad (311).

3. A display module according to claim 2, characterized in that the first auxiliary pad (312) is perpendicular to the first main pad (311) and/or the second auxiliary pad (322) is perpendicular to the second main pad (321).

4. A display module according to claim 3, characterized in that the first metal pad (310) and the second metal pad (320) are L-shaped pads.

5. A display module according to claim 3, characterized in that the first metal pad (310) and the second metal pad (320) are T-shaped pads.

6. The display module according to claim 1, wherein the metal pads are provided in a plurality of pairs, and the plurality of pairs of metal pads are arranged in rows on the electrical connection region (210) and two adjacent pairs of metal pads are spaced apart.

7. The display module of claim 1, wherein the display module is an LCD display module or an AMOLED display module.

8. The display module according to claim 7, further comprising a flexible circuit board (400), wherein one end of the flexible circuit board (400) is electrically connected to each of the metal pads by a conductive adhesive.

9. An electronic device, comprising the display module according to any one of claims 1 to 8.

10. The electronic device of claim 9, wherein the electronic device is a cell phone, a tablet computer, an e-book reader, a game console, or a smart watch.