CN215642143U - Display module - Google Patents

Display module Download PDF

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Publication number
CN215642143U
CN215642143U CN202120699270.1U CN202120699270U CN215642143U CN 215642143 U CN215642143 U CN 215642143U CN 202120699270 U CN202120699270 U CN 202120699270U CN 215642143 U CN215642143 U CN 215642143U
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China
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section
backlight module
circuit board
flexible circuit
liquid crystal
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CN202120699270.1U
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Chinese (zh)
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张会强
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China Display Optoelectronics Technology Huizhou Co Ltd
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China Display Optoelectronics Technology Huizhou Co Ltd
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Abstract

The utility model discloses a display module, which comprises a backlight module, a liquid crystal display panel, a flexible circuit board and an attachment, wherein the liquid crystal display panel is arranged on the front side of the backlight module; the flexible circuit board comprises a first section, a middle bending section and a second section which are sequentially connected, wherein the end part of the first section is connected with one side of the liquid crystal display panel, which is far away from the backlight module, and the second section is bent from the first section and attached to the back of the backlight module so as to form the middle bending section between the first section and the second section; the sticker includes a first sticker section and a second sticker section connected. In the technical scheme of the utility model, the attachment is attached to the flexible circuit board in a segmented manner, so that the bending stress of the middle bending section of the flexible circuit board is relieved, and the second section of the flexible circuit board is prevented from being warped.

Description

Display module
Technical Field
The utility model relates to the technical field of display devices, in particular to a display module.
Background
Among the present display module assembly, still attached one deck subsides annex outside the flexible circuit board, take cell-phone display module assembly as an example, the attached one deck copper foil tape in the flexible circuit board outside among the cell-phone display module assembly, during the equipment, attach copper foil tape on the flexible circuit board earlier, buckle the flexible circuit board that will paste the copper foil tape again and install on backlight unit, copper foil tape and flexible circuit board are attached together after, the thickness becomes the thick thickness grow, buckle simultaneously, the copper foil tape is buckled the district again and can be wrinkled, and the copper foil tape produces the tensile force in the district of buckling, flexible circuit board produces the compressive force simultaneously, can produce great bending stress under these two kinds of power combined action, make the flexible circuit board attach and rise to stick up easily in backlight unit's one end.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an attachment, and aims to solve the problem that a flexible circuit board is easy to warp due to large stress generated during assembly of the conventional flexible circuit board.
In order to achieve the above object, the present invention provides a display module, which includes:
a backlight module;
the liquid crystal display panel is arranged on the front side of the backlight module;
the flexible circuit board comprises a first section, a middle bending section and a second section which are sequentially connected, wherein the end part of the first section is connected with one side of the liquid crystal display panel, which is far away from the backlight module, and the second section is bent from the first section and attached to the back of the backlight module so as to form the middle bending section between the first section and the second section; and the number of the first and second groups,
the attachment comprises a first attachment section and a second attachment section which are connected;
the second section is bent from the first section and attached to the back of the backlight module, and at least one part of the first attachment section is attached to one side of the first section, which is far away from the backlight module, in advance;
the second section is bent from the first section and attached to the back of the backlight module, and the second attached section is attached to the middle bent section and one side of the second section, which is far away from the backlight module.
Optionally, the second section is bent from the first section and attached in front of the back of the backlight module, at least a part of the first attaching section is attached to a side of the first section departing from the backlight module in advance, and the second attaching section is attached to the middle bent section and the second section in a separated manner.
Optionally, the liquid crystal display panel includes:
the glass substrate is arranged on the front surface of the backlight module; and the number of the first and second groups,
the liquid crystal molecular structure layer is stacked on one side, away from the backlight module, of the glass substrate along the vertical direction;
one end of the glass substrate, which is close to the flexible circuit board, protrudes out of the liquid crystal molecular structure layer, and a filling area is formed on one side surface, which is far away from the backlight module;
the filling area is provided with a filling boss, and the part of the first attaching section corresponding to the first section is also adhered to the filling boss.
Optionally, the attachment includes at least one of a copper foil, a light-shielding tape, and a conductive cloth.
Optionally, the attachment comprises a copper foil, and a glue coating is arranged between the copper foil and the flexible circuit board.
Optionally, the thickness T1 of the copper foil is set to 0.03-0.05 mm.
Optionally, the thickness T2 of the glue layer is set to 0.01-0.04 mm.
Optionally, the display module further includes a touch screen, and the touch screen is stacked on an end surface of the liquid crystal display panel departing from the backlight module.
Optionally, the middle curved section of the flexible circuit board is inside the periphery of the touch screen.
Optionally, an adhesive layer is disposed between the touch screen and the liquid crystal display panel.
In the technical scheme of the utility model, the attachment is provided with a first attachment section and a second attachment section which are arranged corresponding to the flexible circuit board, before the flexible circuit board is connected to the back of the backlight module, at least part of the first attachment section is attached to the first section of the flexible circuit board, after the flexible circuit board is connected to the back of the backlight module, the second attachment section is attached to the middle bending section and the second section for the second time, and the attachment is attached to the flexible circuit board in a segmented manner, so that the bending stress of the middle bending section of the flexible circuit board is relieved, and the second section of the flexible circuit board is prevented from being warped.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic side view of a display module according to an embodiment of the present invention;
FIG. 2 is a front view of the appliqu e in FIG. 1;
figure 3 is a side view of the attachment of figure 1.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
100 Display module 33 Middle bending section
1 Backlight module 4 Attachment part
2 Liquid crystal display panel 41 First attaching section
21 Liquid crystal molecular structure layer 42 Second attaching section
22 Glass substrate 4a Copper foil
23 Filling boss 4b Glue coating layer
3 Flexible circuit board 5 Touch screen
31 First stage 6 Adhesive layer
32 Second section
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Among the current display module assembly, the flexible circuit board still attaches the one deck annex outward, during the equipment, attach the annex on the flexible circuit board earlier, buckle simultaneously again and install on backlight unit, copper foil tape and flexible circuit board are attached together after, the thickness becomes the thickening, buckle simultaneously, the copper foil tape district of buckling is buckled again and can be wrinkled, and at the district's of buckling copper foil tape production tensile force, flexible circuit board production compressive force simultaneously, can produce great bending stress under these two kinds of power combined action, make the flexible circuit board attached one end at backlight unit to rise to stick up easily.
In view of this, the present invention provides a display module. Fig. 1 to 3 are diagrams illustrating an embodiment of a display module according to the present invention.
Referring to fig. 1, the present invention provides a display module 100, where the display module 100 includes a backlight module 1, a liquid crystal display panel 2, a flexible circuit board 3, and an attachment 4; the liquid crystal display panel 2 is arranged on the front surface of the backlight module 1; the flexible circuit board 3 comprises a first section 31, a middle bending section 33 and a second section 32 which are sequentially connected, wherein the end part of the first section 31 is connected with one side of the liquid crystal display panel 2, which is far away from the backlight module 1, and the second section 32 is bent from the first section 31 and attached to the back of the backlight module 1, so that the middle bending section 33 is formed between the first section 31 and the second section 32; the sticker 4 comprises a first and a second attached section 41, 42 connected; wherein, the second section 32 is bent from the first section 31 and attached to the back of the backlight module 1, and at least a part of the first attaching section 41 is attached to the side of the first section 31 departing from the backlight module 1 in advance; after the second section 32 is bent from the first section 31 and attached to the back of the backlight module 1, the second attachment section 42 is attached to the middle bent section 33 and one side of the second section 32 departing from the backlight module 1.
In the technical scheme of the utility model, the attachment 4 is provided with the first attachment section 41 and the second attachment section 42 which are arranged corresponding to the flexible circuit board 3, the first attachment section 41 is attached to the first section 31 of the flexible circuit board 3 before the flexible circuit board 3 is connected to the back of the backlight module 1, the second attachment section 42 is attached to the middle bending section 33 and the second section 32 for the second time after the flexible circuit board 3 is connected to the back of the backlight module 1, the attachment 4 is attached to the flexible circuit board 3 in a segmented manner, the bending stress of the middle bending section 33 of the flexible circuit board 3 is relieved, and the second section 32 of the flexible circuit board 3 is prevented from being warped.
Specifically, the second section 32 is bent from the first section 31 and attached to the back of the backlight module 1, at least a portion of the first attaching section 41 is attached to a side of the first section 31 away from the backlight module 1 in advance, and the second attaching section 42 is disposed separately from the middle bent section 33 and the second section 32.
Further referring to fig. 1, the liquid crystal display panel 2 includes a liquid crystal molecular structure layer 21 and a glass substrate 22, and the glass substrate 22 is disposed on the front surface of the backlight module 1; the liquid crystal molecular structure layer 21 is stacked on one side of the glass substrate 22, which is far away from the backlight module 1, along the up-down direction; one end of the glass substrate 22, which is close to the flexible circuit board 3, protrudes out of the liquid crystal molecular structure 21 layer, and a filling area is formed on one side surface, which is far away from the backlight module 1, and the filling area is provided with a filling boss 23; the first attaching section 41 corresponding to the first section 31 is further adhered to the filling boss 23 to reinforce the first section 31 adhered to the display device 1, so that the first end 31 is more firmly adhered to the display device 1.
In the utility model, the attachment 4 can be a copper foil 4a, and the copper foil 4a is a metal foil conductive material, so that the display module 100 has an electromagnetic shielding effect, can shield external electromagnetic signals, and improves the performance of the display module.
In the utility model, the attachment 4 can be a light-shielding tape which not only has low light transmittance, but also has strong bonding force, anti-bounce, fitting property and die cutting property, and can increase the stability of the flexible circuit board 3.
In the utility model, the attachment 4 can be conductive cloth which has good conductivity and electromagnetic wave shielding effect, and the conductive cloth has good flexibility, is easy to process and punch, has excellent bending durability and can increase the attachment stability of the flexible circuit board 3.
It should be noted that, the three characteristic copper foils 4a, the shading tape and the conductive cloth may be set alternatively, alternatively or simultaneously, in this embodiment, the attachment 4 is set as the copper foil 4a, and the copper foil 4a may shield external electromagnetic signals, so as to improve the performance of the display module 100.
Specifically, annex 4 includes copper foil 4a, copper foil 4a with be equipped with rubber coating 4b between the flexible circuit board 3, rubber coating 4b two sides all have viscidity, can the adhesion copper foil 4a with flexible circuit board 3.
More specifically, the thickness T1 of the copper foil 4a is set to 0.03-0.05mm, which reduces the thickness of the attachment 4 and relieves the bending stress of the middle bending section 33 of the flexible circuit board 3.
More specifically, the thickness T2 of the glue layer 4b is set to be 0.01-0.04mm, reducing the thickness of the attachment 4 and relieving the bending stress of the middle bending section 33 of the flexible circuit board 3.
Further referring to fig. 1, the display module 100 further includes a touch screen 5, and the touch screen 5 is stacked on an end surface of the liquid crystal display panel 2 departing from the backlight module 1.
In order to guarantee the quality of display module assembly 100, the middle bent section 33 of flexible circuit board 3 is in the peripheral inboard of touch-sensitive screen 5, the outside of middle bent section 33 is in the peripheral inboard of touch-sensitive screen 5 is more favorable to display module assembly 100 packs the shipment, improves display module assembly 100's quality.
In order to improve the stability of the display module 100, a bonding layer 6 is arranged between the touch screen 5 and the liquid crystal display panel 2, and the bonding layer 6 is adhered to the touch screen 5 and the liquid crystal display panel 2, so that the display module 100 is more stable.
In order to avoid the adhesive layer 6 from affecting the performance of the display module 100, specifically, the adhesive layer 6 is disposed as an optical adhesive layer.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents made by the contents of the present specification and drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A display module, comprising:
a backlight module;
the liquid crystal display panel is arranged on the front side of the backlight module;
the flexible circuit board comprises a first section, a middle bending section and a second section which are sequentially connected, wherein the end part of the first section is connected with one side of the liquid crystal display panel, which is far away from the backlight module, and the second section is bent from the first section and attached to the back of the backlight module so as to form the middle bending section between the first section and the second section; and the number of the first and second groups,
the attachment comprises a first attachment section and a second attachment section which are connected;
the second section is bent from the first section and attached to the back of the backlight module, and at least one part of the first attachment section is attached to one side of the first section, which is far away from the backlight module, in advance;
the second section is bent from the first section and attached to the back of the backlight module, and the second attached section is attached to the middle bent section and one side of the second section, which is far away from the backlight module.
2. The display module of claim 1, wherein the second attachment section is disposed apart from the intermediate curved section and the second section.
3. The display module of claim 1, wherein the liquid crystal display panel comprises:
the glass substrate is arranged on the front surface of the backlight module; and the number of the first and second groups,
the liquid crystal molecular structure layer is stacked on one side, away from the backlight module, of the glass substrate along the vertical direction;
one end of the glass substrate, which is close to the flexible circuit board, protrudes out of the liquid crystal molecular structure layer, and a filling area is formed on one side surface, which is far away from the backlight module;
the filling area is provided with a filling boss, and the part of the first attaching section corresponding to the first section is also adhered to the filling boss.
4. The display module of claim 1, wherein the attachment comprises at least one of a copper foil, a light blocking tape, and a conductive cloth.
5. The display module assembly of claim 1, wherein the attachment comprises a copper foil, and a glue layer is disposed between the copper foil and the flexible circuit board.
6. The display module according to claim 5, wherein the thickness T1 of the copper foil is set to 0.03-0.05 mm.
7. A display module according to claim 5, wherein the thickness T2 of the glue layer is set to 0.01-0.04 mm.
8. The display module according to claim 1, wherein the display module further comprises a touch screen, and the touch screen is stacked on an end surface of the liquid crystal display panel facing away from the backlight module.
9. The display module of claim 8, wherein the middle curved section of the flexible circuit board is inside the periphery of the touch screen.
10. The display module of claim 8, wherein an adhesive layer is disposed between the touch screen and the liquid crystal display panel.
CN202120699270.1U 2021-04-06 2021-04-06 Display module Active CN215642143U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120699270.1U CN215642143U (en) 2021-04-06 2021-04-06 Display module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120699270.1U CN215642143U (en) 2021-04-06 2021-04-06 Display module

Publications (1)

Publication Number Publication Date
CN215642143U true CN215642143U (en) 2022-01-25

Family

ID=79935422

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120699270.1U Active CN215642143U (en) 2021-04-06 2021-04-06 Display module

Country Status (1)

Country Link
CN (1) CN215642143U (en)

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