CN217506801U

CN217506801U - Display module and electronic equipment

Info

Publication number: CN217506801U
Application number: CN202220747516.2U
Authority: CN
Inventors: 朱元欢
Original assignee: Zhejiang Lianxinkang Technology Co ltd
Current assignee: Zhejiang Lianxinkang Technology Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-09-27
Anticipated expiration: 2032-04-01

Abstract

The utility model provides a display module and electronic equipment, the display module comprises a backlight plate, a TFT substrate and a glass cover plate, the glass cover plate is covered on the backlight plate, the TFT substrate is arranged between the glass cover plate and the backlight plate; the TFT substrate is provided with a single-layer area, one side of the single-layer area, facing the glass cover plate, is provided with an FPC board and a buffer structure, the FPC board is arranged in the middle of the single-layer area, the buffer structure comprises a first buffer layer and a second buffer layer, the first buffer layer is arranged on the single-layer area and is positioned on one side of the FPC board, and the second buffer layer is arranged on the single-layer area and is positioned on the other side of the FPC board; and a buffer gasket is arranged on one side of the backlight plate facing the TFT substrate, and the buffer gasket is arranged opposite to the single-layer area. The technical problem of display module assembly among the prior art when the test, lead to the ITO circuit to split or impaired because of glass edge atress often, cause the screen to light the screen that appears the flower screen (horizontal stripe or vertical stripe appear in the screen), bad phenomena such as black screen is solved.

Description

Display module and electronic equipment

Technical Field

The utility model relates to a display module assembly technical field, in particular to display module assembly and electronic equipment.

Background

The display screen assembly of a mobile terminal is typically subjected to a performance test before being assembled into a complete mobile terminal device.

However, in the test of the conventional display module, the ITO circuit is often broken or damaged due to the stress on the edge of the glass, so that the screen is lit to cause undesirable phenomena such as a screen pattern (a horizontal stripe or a vertical stripe appears on the screen), a black screen, and the like.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a display module assembly and electronic equipment for solve the display module assembly among the prior art when the test, often lead to the ITO circuit fracture or impaired because of glass edge atress, cause the screen to light the technical problem that bad phenomena such as colored screen (horizontal stripe or vertical stripe appear in the screen), black screen appear.

The utility model discloses an aspect provides a display module assembly, including backlight, TFT base plate and glass apron, the glass apron lid is located on the backlight, the TFT base plate is located between the glass apron and the backlight;

the TFT substrate is provided with a single-layer area, one side of the single-layer area, which faces the glass cover plate, is provided with an FPC board and a buffer structure, the FPC board is arranged in the middle of the single-layer area, the buffer structure comprises a first buffer layer and a second buffer layer, the first buffer layer is arranged on the single-layer area and is positioned on one side of the FPC board, and the second buffer layer is arranged on the single-layer area and is positioned on the other side of the FPC board;

and a buffer gasket is arranged on one side of the backlight plate facing the TFT substrate, and the buffer gasket is arranged opposite to the single-layer area.

Above-mentioned display module assembly, both sides through at the FPC board set up first buffer layer and second buffer layer respectively, the protection ITO circuit is broken by reaction force, the prevention is in complete machine mechanical experiment in-process, the module receives FPC stress reaction at glass apron direction, play the protection cushioning effect, furthermore, it protects the ITO circuit and is pulled and break to set up buffer gasket on the board in a poor light, the prevention is in complete machine mechanical experiment in-process, FPC buckles the back and has the effort of pulling to the board in a poor light direction, play the protection cushioning effect through buffer gasket, so realize the duplicate protection to the ITO circuit, the display module assembly among the prior art has been solved when the test, often lead to the ITO circuit to split or impaired because of glass edge atress, cause the screen of flowers (horizontal stripe or vertical stripe appear in the screen) appear in the screen point, the technical problem of bad phenomena such as black screen.

Further, the display module assembly, wherein, first buffer layer is close to the one end of FPC board is straight chamfer, first buffer layer is kept away from the one end of FPC board is the arc chamfer.

Further, the display module is characterized in that the spacing distance between the first buffer layer and the FPC board is 0-1mm, and the spacing distance between the first buffer layer and the outer contour of the TFT substrate is 0-0.8 mm.

Further, the display module assembly, wherein, the first buffer layer and the second buffer layer are made of copper foil glue.

Further, the display module is characterized in that the spacing distance between the buffer gasket and the single layer region is 0.05-0.1 mm.

Further, the display module assembly, wherein, the lateral margin of board in a poor light outwards extends has first supporting part and second supporting part, first supporting part with the second supporting part is located respectively the both sides of FPC board, first supporting part is including connecting the flat board portion of board in a poor light and certainly the flat board portion court the protruding support barricade that forms of glass apron direction.

Further, the display module assembly, wherein, the spacing distance between the support barricade and the glass cover plate is 0.05-0.1 mm.

Further, the display module assembly, wherein, the buffer spacer is the PET material.

The utility model discloses on the other hand still provides an electronic equipment, including among the above-mentioned technical scheme display module assembly.

Drawings

Fig. 1 is an exploded view of a display module according to the present invention;

FIG. 2 is a perspective view of a backlight plate of the present invention;

fig. 3 is a perspective view of the TFT substrate of the present invention;

FIG. 4 is a perspective view of the first support portion of the present invention;

fig. 5 is a partial side view of the display module according to the present invention;

description of the main element symbols:

back light plate	10	TFT substrate	20
				Glass cover plate	30	Single layer area	21
FPC board	22	First buffer layer	23
				Second buffer layer	24	Buffer gasket	11
A first supporting part	40	Flat plate part	41
				Supporting retaining wall	42	Second supporting part	50

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.

Unless defined otherwise, 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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a display module according to a first embodiment of the present invention is shown, which includes a backlight plate 10, a TFT substrate 20 and a glass cover plate 30, wherein the glass cover plate 30 is covered on the backlight plate 10, and the TFT substrate 20 is disposed between the glass cover plate 30 and the backlight plate 10;

the TFT substrate 20 is provided with a single-layer area 21, one side of the single-layer area 21 facing the glass cover plate 30 is provided with an FPC (flexible printed circuit) board 22 and a buffer structure, the FPC board 22 is arranged in the middle of the single-layer area 21, the buffer structure comprises a first buffer layer 23 and a second buffer layer 24, the first buffer layer 23 is arranged on the single-layer area 21 and is positioned on one side of the FPC board 22, and the second buffer layer 24 is arranged on the single-layer area 21 and is positioned on the other side of the FPC board 22;

the backlight plate 10 is provided with a buffer gasket 11 on one side facing the TFT substrate 20, the buffer gasket 11 is disposed opposite to the single layer region 21, and the buffer gasket 11 is made of PET.

It can be understood, through setting up first buffer layer 23 and second buffer layer 24 respectively in FPC board 22's both sides, the protection ITO circuit is broken by reaction force, the prevention is at complete machine mechanical experiment in-process, the module receives FPC stress reaction in glass apron 30 direction, play the protection cushioning effect, furthermore, it tears the breakage to set up buffer spacer 11 protection ITO circuit on board 10 in a poor light, the prevention is at complete machine mechanical experiment in-process, FPC buckles the back and has the effort of dragging to board 10 direction in a poor light, play the protection cushioning effect through buffer spacer 11, so realize the duplicate protection to the ITO circuit.

Specifically, in this embodiment, the first buffer layer 23 and the second buffer layer 24 are copper foil glue. First buffer layer 23 is close to the one end of FPC board 22 is straight chamfer, first buffer layer 23 is kept away from the one end of FPC board 22 is the arc chamfer, and second buffer layer 24 is the same with the shape of first buffer layer 23. It can be understood that, by defining the shape of the first buffer layer 23, the distribution of the first buffer layer 23 on the TFT substrate 20 is reasonably planned, and glue overflow is avoided. In practical applications, the distance between the first buffer layer 23 and the FPC board 22 needs to be controlled within 0-1mm, and the distance between the first buffer layer 23 and the outer contour of the TFT substrate 20 needs to be controlled within 0-0.8 mm.

Further, the spacing distance between the buffer gasket 11 and the single-layer area 21 is 0.05-0.1 mm. In this embodiment, the spacing distance between the buffer spacer 11 and the single-layer region 21 is 0.05mm, and by reserving a tolerance of 0.05mm, the buffer spacer 11 is prevented from being too thick to press the single-layer region 21, so that the structural stability of the display module is ensured.

Further, the lateral margin of board 10 in a poor light outwards extends and has first supporting part 40 and second supporting part 50, first supporting part 40 with second supporting part 50 is located respectively the both sides of FPC board 22, first supporting part 40 is including connecting the flat board part 41 of board 10 in a poor light and certainly flat board part 41 court the protruding support barricade 42 that forms of glass apron 30 direction, this support barricade 42 can support the glass apron 30 that surpasss TFT base plate 20 part, further promotes the structural stability after the display module assembly. Wherein, the spacing distance between the supporting retaining wall 42 and the glass cover plate 30 is controlled within 0.05-0.1 mm. In this embodiment, the supporting wall 42 and the glass cover plate 30 are set with a tolerance of 0.05mm, so as to avoid the influence of the structural stability of the display module caused by the fact that the supporting wall 42 is too high to jack up the glass cover plate 30 in actual production.

In summary, in the display module of the above embodiments of the present invention, the first buffer layer 23 and the second buffer layer 24 are respectively disposed on two sides of the FPC board 22 to protect the ITO circuit from being broken by the reaction force, so as to prevent the ITO circuit from being broken during the mechanical experiment of the whole display module, the module is reacted by the FPC stress in the direction of the glass cover plate 30, which plays a role of protection and buffering, and further, the back light plate 10 is provided with a buffer gasket 11 to protect the ITO circuit from being pulled and broken, so as to prevent the FPC from being pulled towards the back light plate 10 after being bent in the mechanical experiment process of the whole machine, the buffer pad 11 plays a role in protection and buffering, thus realizing double protection of the ITO circuit, solving the problems that when the display module in the prior art is tested, the ITO circuit is broken or damaged due to the stress of the edge of the glass, so that the screen is lightened to have the problems of screen splash (horizontal stripes or vertical stripes appear on the screen), screen blackness and other adverse phenomena.

The second embodiment of the utility model also provides an electronic equipment, including among the above-mentioned technical scheme display module assembly.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A display module is characterized by comprising a backlight plate, a TFT substrate and a glass cover plate, wherein the glass cover plate is covered on the backlight plate, and the TFT substrate is arranged between the glass cover plate and the backlight plate;

2. The display module according to claim 1, wherein an end of the first buffer layer close to the FPC board is a straight chamfer, and an end of the first buffer layer away from the FPC board is an arc chamfer.

3. The display module assembly according to claim 2, wherein the first buffer layer is spaced from the FPC board by 0-1mm, and the first buffer layer is spaced from the outer contour of the TFT substrate by 0-0.8 mm.

4. The display module of claim 1, wherein the first buffer layer and the second buffer layer are copper foil glue.

5. The display module of claim 1, wherein the spacer is spaced from the monolayer region by a distance of 0.05-0.1 mm.

6. The display module assembly according to claim 1, wherein a first supporting portion and a second supporting portion extend outwardly from a side edge of the backlight plate, the first supporting portion and the second supporting portion are respectively located at two sides of the FPC board, and the first supporting portion includes a flat plate portion connected to the backlight plate and a supporting wall protruding from the flat plate portion toward the glass cover plate.

7. The display module according to claim 6, wherein the spacing distance between the supporting walls and the glass cover plate is 0.05-0.1 mm.

8. The display module of claim 1, wherein the buffer pad is made of PET.

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