CN212905815U - Film material structure applied to liquid crystal display module - Google Patents
Film material structure applied to liquid crystal display module Download PDFInfo
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- CN212905815U CN212905815U CN202021349799.2U CN202021349799U CN212905815U CN 212905815 U CN212905815 U CN 212905815U CN 202021349799 U CN202021349799 U CN 202021349799U CN 212905815 U CN212905815 U CN 212905815U
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Abstract
The utility model provides an use membrane material structure at liquid crystal display module, including the lower diffusion piece that stacks gradually, add lustre to piece down, go up and add lustre to piece and the mouth word is glued, diffusion piece, add lustre to piece down, go up and add lustre to piece and the mouth word is glued and all is packed into and is glued in the frame, diffusion piece positive one end is provided with and is used for blockking outside light and gets into the adhesive tape of adding lustre to piece and adding lustre to piece down, and the length of adhesive tape is longer than the width of diffusion piece down, and the both ends of adhesive tape block respectively in gluing the frame. Compared with the prior art, the diffusion piece is positioned on the rubber frame through two ends of the rubber strip in the film material structure, the lower ear part of the lower brightness enhancement piece and the upper ear part of the upper brightness enhancement piece are stacked to form a step and are directly pasted with the pasting area on one end part of the square glue, the rubber strip on the diffusion piece is directly pasted with the other end part of the square glue, and the square glue is fixed to the diffusion piece, the lower brightness enhancement piece and the upper brightness enhancement piece and is positioned in the rubber frame to prevent the film material from shifting in a slight drop test and influencing the mechanical test effect and the display effect.
Description
Technical Field
The utility model relates to a liquid crystal display field, especially an use membrane material structure at liquid crystal display module.
Background
The traditional liquid crystal display module generally comprises a liquid crystal display screen, a rubber frame for placing the liquid crystal display screen and a backlight module arranged on the back of the liquid crystal display screen, wherein the back of the backlight module is provided with a metal frame, the metal frame is provided with a containing cavity, the back of the backlight module comprises a light guide plate, the back of the light guide plate is provided with a reflector plate 2, the front of the light guide plate 5 is provided with a backlight film material, the backlight film material is arranged in the rubber frame, the backlight film material comprises a lower diffusion sheet, a lower brightness enhancement sheet, an upper brightness enhancement sheet and a square glue which are sequentially stacked, the light guide plate is arranged on the back of the lower diffusion sheet, the light incident side surface of the front end part of the light guide plate is directly attached with a light bar, when the liquid crystal display module is assembled, as shown in figure 1, the reflector plate 2 is arranged in the lower iron frame 1 and attached to the tail part, an LB (light-emitting bar) 3 is, and sequentially placing the lower diffusion sheet 7, the lower brightness enhancement sheet 8, the upper brightness enhancement sheet 9 and the square glue 10 into a film groove of the rubber frame 6, and finally placing the display screen 11 into a glass groove of the rubber frame 6 to finish assembly.
With the development of liquid crystal display, the liquid crystal display screen is required more and more in industry, and especially the requirements on mechanics are strict. The drop test height gradually steps from less than 1 meter to 2 meters, and the micro-drop test gradually extends from the field of mobile phones to the field of tablets. In order to meet increasingly strict quality requirements, the fixation of the membrane material, which is a way of relating to experimental results, is very important. In the prior art, the fixation of the membrane materials can only ensure that 2 membrane materials are fixed, but can not ensure that 3 or even 4 membrane materials are fixed; the structural design of fixing all the membrane materials can be ensured, the ladder design is mostly adopted on the rubber frame, meanwhile, the rubber is added on the rubber frame, the staggered ears of different layers of membrane materials are stuck, the manpower is inevitably increased, and the great maintenance loss can be brought.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides an use membrane material structure at liquid crystal display module can fix in liquid crystal display module's gluey frame, prevents that the membrane material from shifting in the test of declining, influences mechanical test effect and display effect.
The utility model adopts the technical proposal that:
the utility model provides an use membrane material structure at liquid crystal display module, includes the lower diffusion piece that stacks gradually, adds lustre to, goes up and adds lustre to piece and the mouth word glues, and lower diffusion piece, add lustre to piece down, go up and add lustre to piece and the mouth word glues all packs into in the gluey frame, its characterized in that: one end part of the front surface of the lower diffusion sheet is provided with an adhesive tape used for preventing external light from entering the upper brightness enhancement sheet and the lower brightness enhancement sheet, the length of the adhesive tape is longer than the width of the lower diffusion sheet, and two end parts of the adhesive tape are respectively clamped in the adhesive frame; the both sides of another tip of piece are equipped with down the ear respectively down, and the both sides of another tip of going up the piece are equipped with the ear respectively, and the lower ear of homonymy forms the step with last ear when the piece is laminated with last piece down, a tip that the mouth style of calligraphy glued the back is equipped with the step pasting region that is used for pasting ear and last ear down, and another tip at the mouth style of calligraphy glued the back is laminated with the adhesive tape on the diffusion piece down.
Preferably, the lower ear portion is located at one side of the upper ear portion, and the lower ear portion forms a step adjacent to the upper ear portion when stacked.
Preferably, the area of the upper ear part is smaller than that of the lower ear part, and when the lower ear part and the upper ear part on the same side are stacked, a part of the upper ear part and the lower ear part are overlapped to form a step.
Preferably, be equipped with in each step adhesion area and laminate first subsides layer and the second of gluing at the mouth style of calligraphy and glue the back, form the step cooperation that forms between step and the lower ear of range upon range of and the last ear between second subsides layer and the first layer of gluing.
More preferably, the first adhesive layer and the second adhesive layer are adhered to the back of the square glue at the same time, the thickness of the second adhesive layer is larger than that of the first adhesive layer, the second adhesive layer is adhered to the lower ear part of the lower diffusion sheet, and the first adhesive layer is adhered to the upper ear part of the upper diffusion sheet.
More preferably, the second layer is disposed on the first layer, the area of the second layer is smaller than that of the first layer, the second layer is attached to the lower ear portion of the lower diffusion sheet, and the first layer is attached to the upper ear portion of the upper diffusion sheet.
More preferably, the thickness of the adhesive tape is consistent with the sum of the thicknesses of the upper brightness enhancement film and the lower brightness enhancement film.
Preferably, a film material is further arranged between the upper brightness enhancement sheet and the square glue, and the film material is attached to the back of the square glue.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides an use membrane material structure at liquid crystal display module, the diffusion piece passes through the both ends location of adhesive tape on gluey frame, the lower ear of lower piece of adding lustre to and the last ear range upon range of formation step of last piece of adding lustre to glue the paste area on a tip with the mouth word and directly paste, the adhesive tape on the diffusion piece is directly pasted with another tip of gluing of mouth word, like this the mouth word is glued simultaneously to diffusion piece, it is fixed with last piece of adding lustre to piece down, the location is in gluing the frame, prevent that membrane material from shifting in the test of declining, influence mechanical testing effect and display effect.
Drawings
FIG. 1 is a schematic diagram of a liquid crystal display module according to the prior art;
fig. 2 is a schematic structural diagram of a film applied to a liquid crystal display module according to the present invention;
fig. 3 is an exploded view of a film structure applied to a liquid crystal display module according to the present invention;
fig. 4 is a cross-sectional view of a film structure applied to a liquid crystal display module according to the present invention;
FIG. 5 is a schematic view of a lower diffuser applied to a film structure of a liquid crystal display module according to the present invention;
FIG. 6 is a schematic view of an upper diffusion sheet applied to a film structure of a liquid crystal display module according to the present invention;
fig. 7 is a schematic view of a glue applied to a film structure of a liquid crystal display module according to the present invention;
fig. 8 is an exploded view of another embodiment of a film structure applied to a liquid crystal display module according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 2 to 7 illustrate a preferred embodiment of a film structure applied to a liquid crystal display module according to the present invention. As shown in fig. 2 to 7, the film structure applied to the liquid crystal display module includes a lower diffusion sheet 10, a lower brightness enhancement sheet 20, an upper brightness enhancement sheet 30 and a glue 40 stacked in sequence, the lower diffusion sheet 10, the lower brightness enhancement sheet 20, the upper brightness enhancement sheet 30 and the glue 40 are all installed in a glue frame 60, an adhesive tape 11 for blocking external light from entering the upper brightness enhancement sheet and the lower brightness enhancement sheet is arranged at one end of the front surface of the lower diffusion sheet 10, the length of the adhesive tape 11 is longer than the width of the lower diffusion sheet 10, two ends of the adhesive tape 11 are respectively clamped in the glue frame 60, and a clamping groove 61 for clamping the end of the adhesive tape is arranged in the glue frame 60; the both sides of another tip of piece 20 are equipped with ear 21 down respectively down, and the both sides of going up another tip of piece 30 are equipped with ear 31 respectively, and the lower ear 21 of homonymy forms the step with last ear 31 when piece 20 and last piece 30 range upon range of down, a tip at the mouth style of calligraphy glue 40 back is equipped with the pasting region 41 that is used for pasting ear and last ear down, and another tip at the mouth style of calligraphy glue back is laminated with the adhesive tape 11 on the diffusion piece 10 down, and mouth style of calligraphy glue 40 is fixed diffusion piece 10, lower piece 20 and last piece 30 simultaneously, fixes a position in gluey frame, prevents that the membrane material from shifting in the slight drop test, influences mechanical testing effect and display effect.
The lower ear 21 and the upper ear 31 on the same side form steps in two ways: in the first mode, the lower ear part and the upper ear part 31 are not overlapped, when the lower ear part 21 is stacked, the upper ear part 31 is adjacent to the lower ear part 21, the lower ear part is positioned at one side of the upper ear part, and due to the thickness of the upper brightness enhancement sheet 30 during stacking, a step is formed between the lower ear part 21 and the upper ear part 31; in the second mode, as shown in fig. 5 and 6, the area of the upper ear portion 31 is smaller than that of the lower ear portion 21, and when the lower gloss enhancement sheet 20 and the upper gloss enhancement sheet 30 are laminated, the upper ear portion 31 presses the lower ear portion 31, and the upper ear portion 31 overlaps with a part of the lower ear portion 21, so that the lower ear portion 21 and the upper ear portion 31 on the same side are laminated to form a step.
Each step pasting area 41 is internally provided with a first pasting layer 411 and a second pasting layer 412 which are pasted on the back of the square glue, steps which are matched with the steps formed between the lower ear part and the upper ear part of the lamination are formed between the second pasting layer 412 and the first pasting layer 411, and thus the square glue 40 is fixed to the diffusion sheet 10, the lower brightness enhancement sheet 20 and the upper brightness enhancement sheet 30 at the same time.
In a preferred embodiment, the first sticker layer 411 and the second sticker layer 412 are pasted on the back of the square glue, the thickness of the second sticker layer 412 is larger than that of the first sticker layer 411, so that a step is formed between the second sticker layer 412 and the first sticker layer 411, when pasting is performed, the second sticker layer 412 is pasted on the lower ear part 21 of the lower gloss enhancement sheet 20, and the first sticker layer 411 is pasted on the upper ear part 31 of the upper gloss enhancement sheet 30. As another embodiment, as shown in fig. 7, a first sticker 411 is attached to the back surface of the seal, the area of a second sticker 412 is smaller than the area of the first sticker 411, and the second sticker 412 is attached to the first sticker 411, so that a step is formed between the second sticker 412 and the first sticker 411, and when attaching is performed, the second sticker 412 is attached to the lower ear portion 21 of the lower gloss enhancement sheet 20, and the first sticker 411 is attached to the upper ear portion 31 of the upper gloss enhancement sheet 30.
As shown in fig. 3 and 4, as a preferred embodiment, the area of the upper ear portion 31 is smaller than that of the lower ear portion 21, when the lower gloss enhancement sheet 20 and the upper gloss enhancement sheet 30 are stacked, the upper ear portion 31 is pressed against the lower ear portion 31, the upper ear portion 31 overlaps with a part of the lower ear portion 21, the area of the second sticker 412 is smaller than that of the first sticker 411, and the second sticker 412 is attached to the first sticker 411, so that the second sticker 412 attaches the lower ear portion 21 of the lower gloss enhancement sheet 20 and the first sticker 411 attaches the upper ear portion 31 of the upper gloss enhancement sheet 30 at the time of attachment.
As shown in fig. 8, in another preferred embodiment of the film material structure, a layer of film material 50 is further disposed between the upper brightness enhancement film 30 and the glue 40, the film material 50 is directly attached to the back of the glue 40, and the film material 50 is designed without ears, so that for a film material structure with 4 film materials, the uppermost film material is designed without ears, and the glue is a boss double-sided glue for sticking the lower ears of the lower brightness enhancement film, thereby fixing all the film materials at the same time without increasing manpower or increasing process difficulty.
The thickness of the adhesive tape 11 is consistent with the sum of the thicknesses of the upper brightness enhancement film 30 and the lower brightness enhancement film 20, and when the adhesive tape is used, the adhesive tape 11 is positioned at the tail part of the other ends of the upper brightness enhancement film 30 and the lower brightness enhancement film 20 and is directly adhered to the square-shaped adhesive. It is worth noting that when there are 4 film materials of the film material structure, the thickness of the adhesive tape 11 is the sum of the thicknesses of the upper brightness enhancement film 30, the lower brightness enhancement film 20 and the film material 50, and the adhesive tape 11 is directly pasted with the Chinese character kou glue.
To sum up, the technical scheme of the utility model can be fully effectual the above-mentioned utility model purpose of realization, just the utility model discloses a structure and functional principle all obtain abundant verification in the embodiment, can reach anticipated efficiency and purpose, do not deviating from the utility model discloses a under the prerequisite of principle and essence, can make multiple change or modification to the embodiment of utility model. Therefore, the present invention includes all the alternative contents within the scope mentioned in the claims, and all the equivalent changes made within the claims of the present invention are included in the claims of the present application.
Claims (8)
1. The utility model provides an use membrane material structure at liquid crystal display module, includes the lower diffusion piece that stacks gradually, adds lustre to, goes up and adds lustre to piece and the mouth word glues, and lower diffusion piece, add lustre to piece down, go up and add lustre to piece and the mouth word glues all packs into in the gluey frame, its characterized in that: one end part of the front surface of the lower diffusion sheet is provided with an adhesive tape used for preventing external light from entering the upper brightness enhancement sheet and the lower brightness enhancement sheet, the length of the adhesive tape is longer than the width of the lower diffusion sheet, and two end parts of the adhesive tape are respectively clamped in the adhesive frame; the both sides of another tip of piece are equipped with down the ear respectively down, and the both sides of another tip of going up the piece are equipped with the ear respectively, and the lower ear of homonymy forms the step with last ear when the piece is laminated with last piece down, a tip that the mouth style of calligraphy glued the back is equipped with the step pasting region that is used for pasting ear and last ear down, and another tip at the mouth style of calligraphy glued the back is laminated with the adhesive tape on the diffusion piece down.
2. The film structure applied to the liquid crystal display module as set forth in claim 1, wherein: the lower ear is located upper ear one side, and lower ear forms the step with upper ear is adjacent when range upon range of.
3. The film structure applied to the liquid crystal display module as set forth in claim 1, wherein: go up the area of ear and be less than the area of ear down, go up ear and a part coincidence formation step of ear down when the lower ear of homonymy stacks up with last ear.
4. The film structure applied to the liquid crystal display module according to any one of claims 1 to 3, wherein: be equipped with in each step pad pasting district and laminate first pad pasting layer and the second pad pasting layer at the mouth style of calligraphy and glue the back, form the step cooperation that forms between step and range upon range of lower ear and the last ear between second pad pasting layer and the first pad pasting layer.
5. The film structure applied to the LCD module as claimed in claim 4, wherein: first subsides layer and second are pasted simultaneously and are glued the back at the mouth style of calligraphy, and the thickness on second subsides layer is greater than the thickness on first subsides layer, and the lower ear of diffusion piece under the laminating of second subsides layer, the last ear of diffusion piece on the laminating of first subsides layer.
6. The film structure applied to the LCD module as claimed in claim 4, wherein: the second pastes the layer setting on first subsides layer, and the area on second subsides layer is less than the area on first subsides layer, and the lower ear of diffusion piece under the laminating of second subsides layer, diffusion piece's last ear on the laminating of first subsides layer.
7. The film structure applied to the liquid crystal display module as set forth in claim 1, wherein: the thickness of the adhesive tape is consistent with the sum of the thicknesses of the upper brightness enhancement film and the lower brightness enhancement film.
8. The film structure applied to the liquid crystal display module as set forth in claim 1, wherein: and a film material is arranged between the upper brightness enhancement sheet and the square glue, and the film material is attached to the back of the square glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021349799.2U CN212905815U (en) | 2020-07-10 | 2020-07-10 | Film material structure applied to liquid crystal display module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021349799.2U CN212905815U (en) | 2020-07-10 | 2020-07-10 | Film material structure applied to liquid crystal display module |
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| CN212905815U true CN212905815U (en) | 2021-04-06 |
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| CN202021349799.2U Active CN212905815U (en) | 2020-07-10 | 2020-07-10 | Film material structure applied to liquid crystal display module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032827A (en) * | 2022-07-15 | 2022-09-09 | 深圳市国显科技有限公司 | LCM (liquid Crystal Module) liquid crystal display module structure for preventing membrane material from being misplaced |
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2020
- 2020-07-10 CN CN202021349799.2U patent/CN212905815U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115032827A (en) * | 2022-07-15 | 2022-09-09 | 深圳市国显科技有限公司 | LCM (liquid Crystal Module) liquid crystal display module structure for preventing membrane material from being misplaced |
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