CN222354179U - Liquid crystal display module for improving EMC static electricity - Google Patents
Liquid crystal display module for improving EMC static electricity Download PDFInfo
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- CN222354179U CN222354179U CN202421055547.7U CN202421055547U CN222354179U CN 222354179 U CN222354179 U CN 222354179U CN 202421055547 U CN202421055547 U CN 202421055547U CN 222354179 U CN222354179 U CN 222354179U
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- display screen
- liquid crystal
- protective paper
- static electricity
- crystal display
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- 230000005611 electricity Effects 0.000 title claims abstract description 34
- 230000003068 static effect Effects 0.000 title claims abstract description 34
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims abstract description 55
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052742 iron Inorganic materials 0.000 claims abstract description 19
- 238000005452 bending Methods 0.000 claims description 18
- 239000011521 glass Substances 0.000 claims description 18
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 17
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- 239000011888 foil Substances 0.000 claims description 16
- 229920002799 BoPET Polymers 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000004831 Hot glue Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Liquid Crystal (AREA)
Abstract
本实用新型公开了一种改善EMC静电的液晶显示模组，包括：盖板、显示屏以及背光模块，所述显示屏上设置有用于连接所述显示屏与所述背光模块以改善EMC静电的第一保护纸和第二保护纸，所述第一保护纸和所述第二保护纸的一部分贴附于所述显示屏上，所述第一保护纸和所述第二保护纸的另一部分弯折后贴附于所述背光模块上。该显示模组具有将显示屏表面积累的静电传导至后铁框进行释放，以避免显示屏出现显示异常的效果。
The utility model discloses a liquid crystal display module for improving EMC static electricity, comprising: a cover plate, a display screen and a backlight module, wherein the display screen is provided with a first protective paper and a second protective paper for connecting the display screen and the backlight module to improve EMC static electricity, a part of the first protective paper and the second protective paper is attached to the display screen, and another part of the first protective paper and the second protective paper is bent and attached to the backlight module. The display module has the effect of conducting the static electricity accumulated on the surface of the display screen to the rear iron frame for release, so as to avoid abnormal display of the display screen.
Description
Technical Field
The present utility model relates to the field of display modules, and more particularly, to a liquid crystal display module for improving EMC static electricity.
Background
The liquid crystal display device is widely applied to various information, communication and consumer electronic products, the liquid crystal display module mainly comprises a liquid crystal display screen and a backlight module, a cover plate for protection is usually arranged on the surface of the liquid crystal display screen, the cover plate provides hardness for the liquid crystal display screen, the backlight module provides a light source for the liquid crystal display screen, and the light source enters the liquid crystal display screen and displays display pictures of various colors.
The EMC performance of the liquid crystal display module in the prior art is greatly related to the drive chip, and some drive chips with good EMC performance can work normally under the condition of serious electromagnetic interference, but some chips with poor performance have great interference to the drive chips by the external electromagnetic environment. Under the condition of external electromagnetic interference, the display screen may have the appearance of screen flashing, dead screen, restarting and even damaging.
Disclosure of utility model
The utility model aims to overcome the defects in the prior art and provide a liquid crystal display module for improving EMC static electricity.
The aim of the utility model is realized by the following technical scheme:
The liquid crystal display module for improving EMC static electricity comprises a cover plate, a display screen and a backlight module, wherein a first protective paper and a second protective paper for connecting the display screen with the backlight module to improve EMC static electricity are arranged on the display screen, one part of the first protective paper and one part of the second protective paper are attached to the display screen, and the other part of the first protective paper and the other part of the second protective paper are attached to the backlight module after being bent.
In one embodiment, the display screen comprises an upper polarizer, upper glass, lower glass and a lower polarizer which are sequentially arranged, the frame of the backlight module comprises a middle rubber frame and a rear iron frame, and the display screen is accommodated in the middle rubber frame.
In one embodiment, one side of the first protective paper is aligned with the right side edge of the upper polarizer and is attached to the surface of the display screen, and one side of the second protective paper is aligned with the lower side edge of the upper polarizer and is attached to the surface of the display screen.
In one embodiment, the first protection paper and the second protection paper comprise black aluminum foil maillard tapes and PET protection paper arranged on one side of the black aluminum foil maillard tapes, the surfaces of the black aluminum foil maillard tapes are arranged in a black insulating mode, the black aluminum foil maillard tapes are not sticky and not conductive, and the black aluminum foil maillard tapes are sticky and conductive towards one side of the PET protection paper.
In one embodiment, the PET protection paper comprises an attaching part and a bending part, and a half-stamping line for separation is arranged between the attaching part and the bending part.
In one embodiment, a tearing handle extends outwards from one side of the bending part.
In one embodiment, the attaching portion of the PET protective paper on the first protective paper is torn off along the half-stamping line, the right side edge of the upper polarizer is aligned to be attached to the upper glass layer, and the bending portion of the first protective paper is torn off along the half-stamping line, bent and attached to the back surface of the rear iron frame.
In one embodiment, the attaching portion of the PET protective paper on the second protective paper is torn off along the half-stamping line, the lower side edge of the upper polarizer is aligned to be attached to the surfaces of the upper glass layer and the lower glass layer, and the bending portion on the second protective paper is torn off along the half-stamping line, bent and attached to the back surface of the rear iron frame.
In one embodiment, the display screen is bound with an FPC, one end of the FPC is bound on the display screen, the other end of the FPC is bent and attached to the back surface of the rear iron frame, and the surface of the FPC is provided with a grounding drain copper block.
In one embodiment, three second protection papers are arranged, one sides of the three second protection papers are aligned with the lower side edge of the upper polarizer and are attached to the surface of the display screen, and the second protection papers in the middle are covered on the grounding drain copper block of the FPC.
Compared with the prior art, the utility model has at least the following advantages:
According to the liquid crystal display module for improving EMC static electricity, the first protective paper and the second protective paper are arranged to connect the display screen with the rear iron frame, when static electricity is accumulated on the surface of the display screen, static electricity charges are conducted to the FPC and the rear iron frame through the black aluminum foil Mylar tape, so that EMC static electricity is improved, the static electricity charges are reduced to be conducted to the display screen, and abnormal display phenomena such as screen flashing, screen display and dead halt occur.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described.
FIG. 1 is a schematic diagram of a side sectional structure of a liquid crystal display module for improving EMC static electricity according to the present utility model;
Fig. 2 is a schematic diagram of a front structure of a display screen in a liquid crystal display module for improving EMC static electricity according to the present utility model;
FIG. 3 is a schematic diagram of a back structure of a display screen in a liquid crystal display module for improving EMC static electricity according to the present utility model;
FIG. 4 is a schematic diagram of a structure of a first protective paper and a second protective paper in a liquid crystal display module for improving EMC static electricity according to the present utility model;
Fig. 5 is a schematic diagram of a back structure of an lcd module for improving EMC static electricity according to the present utility model.
The drawing shows 10, a cover plate, 20, a display screen, 21, an upper polarizer, 22, upper glass, 23, lower glass, 24, lower polarizer, 25, FPC, 251, a floor drain copper block, 30, a backlight module, 31, a middle rubber frame, 32, a rear iron frame, 40, RTV structure hot melt adhesive, 50, first protective paper, 60, second protective paper, 70, black aluminum foil Mylar tape, 80, PET protective paper, 81, an attaching part, 82, a bending part, 821, a tearing handle, 90 and a half stamping line.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings.
Referring to fig. 1, a liquid crystal display module for improving EMC static electricity includes a cover plate 10, a display screen 20 and a backlight module 30, wherein the cover plate 10 is disposed on the surface of the display screen 20, the cover plate 10 and the display screen 20 are bonded and fixed by solid optical cement, the display screen 20 is accommodated in the backlight module 30, and the display screen 20 and the backlight module 30 are assembled by an assembling fixture. The size of the cover plate 10 is larger than that of the backlight module 30, and one side of the cover plate 10 facing the backlight module 30 is in contact with the end surface of the backlight module 30.
Referring to fig. 1, an RTV hot melt adhesive 40 is coated at a connection portion between the backlight module 30 and the cover plate 10, and the RTV hot melt adhesive 40 is coated between the cover plate 10 and the backlight module 30 along a periphery of the backlight module 30, so as to improve reliability of the display module.
Referring to fig. 1, a display screen 20 includes an upper polarizer 21, an upper glass 22, a lower glass 23, and a lower polarizer 24, which are sequentially disposed. The frame of the backlight module 30 includes a middle rubber frame 31 and a rear iron frame 32, the middle rubber frame 31 is hollow, the rear iron frame 32 is provided with an opening at one side, and the middle rubber frame 31 and the rear iron frame 32 are assembled and fixed, so that the display screen 20 can be accommodated in the middle rubber frame 31. The backlight module 30 further includes a light emitting member and a light guiding portion.
Referring to fig. 2, a first protective paper 50 and a second protective paper 60 for connecting the display 20 and the backlight module 30 to improve EMC static electricity are disposed on the display 20. Wherein, one side of the first protective paper 50 is aligned with the right edge of the upper polarizer 21 to be attached to the surface of the display screen 20, and one side of the second protective paper 60 is aligned with the lower edge of the upper polarizer 21 to be attached to the surface of the display screen 20.
Referring to fig. 3 and 4, the first protective paper 50 and the second protective paper 60 each include a black aluminum foil mailer tape 70 and a PET protective paper 80 disposed on one side of the black aluminum foil mailer tape 70, wherein the surface of the black aluminum foil mailer tape 70 is provided in a black insulating manner, and is non-adhesive and non-conductive, and the side of the black aluminum foil mailer tape 70 facing the PET protective paper 80 is adhesive and conductive.
Referring to fig. 4, the pet protection paper 80 includes an attaching portion 81 and a bending portion 82, and a half-punched line 90 for separation is provided between the attaching portion 81 and the bending portion 82. A tearing handle 821 is outwardly extended from one side of the bending portion 82 of the PET protection paper 80, so that the bending portion 82 can be easily torn off by the tearing handle 821.
Referring to fig. 2 and 5, the attaching portion 81 of the PET protection paper 80 on the first protection paper 50 is torn along the half-stamping line 90, and the right edge of the upper polarizer 21 is aligned to be attached to the upper glass 22 of the display screen 20. The bending portion 82 of the first protective paper 50 is torn off along the half stamping line 90 by the tearing handle 821, and is attached to the back surface of the rear iron frame 32 after bending.
Referring to fig. 2 and 5, the attaching portions 81 of the PET protection papers 80 on the two second protection papers 60 are torn along the half-stamping line 90, the lower side edges of the upper polarizer 21 are aligned to be attached to the surfaces of the upper glass 22 and the lower glass 23 on the display screen 20, the bending portions 82 of the PET protection papers 80 on the two second protection papers 60 are torn along the half-stamping line 90 by the tearing handles 821, and are attached to the back surface of the rear iron frame 32 after being bent.
Further, referring to fig. 5, the display 20 is bound with the FPC25, the FPC25 is bound to the lower glass 23, and two second protective papers 60 are respectively positioned at the left and right sides of the FPC 25. The surface of FPC25 is provided with ground drain copper piece 251, and the one end of FPC25 is bound on display screen 20, and the other end of FPC25 is buckled and is laminated in the back of back chase 32, and second protection paper 60 has three, and the lower side edge of polarizer 21 is all aligned to three second protection paper 60 and is pasted on the surface of display screen 20, and the second protection paper 60 that is located the centre covers in the ground drain copper piece of FPC 25.
Referring to fig. 5, by providing the first protective paper 50 and the second protective paper 60 to connect the display screen 20 and the rear iron frame 32, when static electricity is accumulated on the surface of the display screen 20, the static electricity charges are conducted to the FPC25 and the rear iron frame 32 through the black aluminum foil mylar tape 70, so as to improve EMC static electricity, reduce the conduction of the static electricity charges to the display screen 20, and display abnormal phenomena such as screen flashing, screen pattern, and crash occur.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model, which are within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The liquid crystal display module for improving EMC static electricity is characterized by comprising a cover plate (10), a display screen (20) and a backlight module (30), wherein a first protection paper (50) and a second protection paper (60) for connecting the display screen (20) and the backlight module (30) to improve EMC static electricity are arranged on the display screen (20), one part of the first protection paper (50) and one part of the second protection paper (60) are attached to the display screen (20), and the other part of the first protection paper (50) and the other part of the second protection paper (60) are attached to the backlight module (30) after being bent.
2. The liquid crystal display module for improving EMC static electricity according to claim 1, wherein the display screen (20) comprises an upper polarizer (21), an upper glass layer (22), a lower glass layer (23) and a lower polarizer (24) which are sequentially arranged, the frame of the backlight module (30) comprises a middle rubber frame (31) and a rear iron frame (32), and the display screen (20) is accommodated in the middle rubber frame (31).
3. The liquid crystal display module for improving EMC static electricity according to claim 2, wherein one side of the first protective paper (50) is aligned with the right side edge of the upper polarizer (21) to be attached to the surface of the display screen (20), and one side of the second protective paper (60) is aligned with the lower side edge of the upper polarizer (21) to be attached to the surface of the display screen (20).
4. A liquid crystal display module for improving EMC static electricity according to claim 3, wherein the first protective paper (50) and the second protective paper (60) each comprise a black aluminum foil mylar tape (70) and a PET protective paper (80) arranged on one side of the black aluminum foil mylar tape (70), the surface of the black aluminum foil mylar tape (70) is provided with black insulation, is non-adhesive and non-conductive, and the side of the black aluminum foil mylar tape (70) facing the PET protective paper (80) is adhesive and conductive.
5. The liquid crystal display module for improving EMC static electricity according to claim 4, wherein the PET protective paper (80) comprises an attaching portion (81) and a bending portion (82), and a half-punched line (90) for separation is provided between the attaching portion (81) and the bending portion (82).
6. The liquid crystal display module for improving EMC static electricity according to claim 5, wherein a tearing handle (821) is extended outwards from one side of the bending portion (82).
7. The EMC static-improving liquid crystal display module according to claim 6, wherein the attaching portion (81) of the PET protective paper (80) on the first protective paper (50) is torn along the half-stamping line (90), the right edge of the upper polarizer (21) is aligned to be attached to the upper glass (22), and the bending portion (82) of the first protective paper (50) is torn along the half-stamping line (90), bent and attached to the back surface of the rear iron frame (32).
8. The EMC static-improving liquid crystal display module according to claim 6, wherein the attaching portion (81) of the PET protective paper (80) on the second protective paper (60) is torn along the half-stamping line (90), and the lower side edge of the upper polarizer (21) is aligned to be attached to the surfaces of the upper glass (22) and the lower glass (23), and the bending portion (82) on the second protective paper (60) is torn along the half-stamping line (90), bent and attached to the back surface of the rear iron frame (32).
9. The liquid crystal display module for improving EMC static electricity according to claim 8, wherein the display screen (20) is bound with an FPC (25), one end of the FPC (25) is bound on the display screen (20), the other end of the FPC (25) is bent and attached to the back surface of the rear iron frame (32), and a grounding drain copper block (251) is arranged on the surface of the FPC (25).
10. The liquid crystal display module for improving EMC static electricity according to claim 9, wherein three second protective papers (60) are provided, one sides of the three second protective papers (60) are aligned with the lower side edge of the upper polarizer (21) to be attached to the surface of the display screen (20), and the second protective papers (60) in the middle are covered on the grounding drain copper block (251) of the FPC (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421055547.7U CN222354179U (en) | 2024-05-14 | 2024-05-14 | Liquid crystal display module for improving EMC static electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421055547.7U CN222354179U (en) | 2024-05-14 | 2024-05-14 | Liquid crystal display module for improving EMC static electricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222354179U true CN222354179U (en) | 2025-01-14 |
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ID=94199525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421055547.7U Active CN222354179U (en) | 2024-05-14 | 2024-05-14 | Liquid crystal display module for improving EMC static electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222354179U (en) |
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2024
- 2024-05-14 CN CN202421055547.7U patent/CN222354179U/en active Active
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