CN215297728U - Go up polaroid and display module assembly - Google Patents
Go up polaroid and display module assembly Download PDFInfo
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- CN215297728U CN215297728U CN202121352457.0U CN202121352457U CN215297728U CN 215297728 U CN215297728 U CN 215297728U CN 202121352457 U CN202121352457 U CN 202121352457U CN 215297728 U CN215297728 U CN 215297728U
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Abstract
The utility model discloses an go up polaroid and display module assembly, it includes by the PSA glue film, first TAC rete, PVA rete and the second TAC rete that the stack of order set up in proper order from bottom to top, the top of second TAC rete is provided with the touch-control functional layer, the touch-control functional layer is bound through FPC has touch-control IC, touch-control IC set up in on the second TAC rete. Because the touch functional layer is arranged above the second TAC film layer and is bound with the touch IC through the FPC, the touch functional layer can realize the touch function, so that the touch function can be integrated on the upper polarizer, the material can be saved, the cost can be reduced, the product can be thinned, and the market competitiveness is higher.
Description
Technical Field
The utility model relates to a show technical field, more specifically say, relate to an go up polaroid and display module assembly.
Background
The traditional upper polarizer generally comprises a PSA (pressure sensitive adhesive) layer, a first TAC (polyvinyl acetate) film layer, a PVA (polyvinyl acetate) film layer and a second TAC film layer which are sequentially overlapped from bottom to top, and the touch function of a display module is generally arranged in a cover plate, a color film substrate or an array substrate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an go up polaroid is provided, because the top of second TAC rete is provided with the touch-control functional layer, and the touch-control functional layer binds through FPC has touch-control IC to make the touch-control functional layer can realize the touch-control function, so that the touch-control function can be integrated on last polaroid, but save material and reduce cost, and can be made the product thin, have great market competition.
The utility model also provides a display module assembly
The utility model discloses the technical problem that will solve realizes through following technical scheme:
for solving the technical problem, the utility model provides an go up polaroid, it includes by PSA glue film, first TAC rete, PVA rete and the second TAC rete that the stack of order set up in proper order on going, the top of second TAC rete is provided with the touch-control functional layer, the touch-control functional layer is bound through FPC has touch-control IC, touch-control IC set up in on the second TAC rete.
Further, the touch functional layer is made of ITO.
Further, the sheet resistance of the ITO is 150 ohm or less.
Further, the touch functional layer is made of nano silver wires, metal grids or graphite.
The utility model also provides a display module assembly, still include the LCD module and bear the gluey frame of LCD module, the LCD module includes by lower polaroid, infrabasal plate, top substrate and the arbitrary item of above-mentioned that the stack set up in proper order on going in proper order the last polaroid, the top substrate with the infrabasal plate staggers each other and places and be formed with the step, the edge of gluing the frame upwards extends there is the lateral wall, be equipped with two at least buckles on the lateral wall, the buckle is detained the step.
Furthermore, a gasket is arranged between the LCD module and the rubber frame.
Furthermore, the upper surface of gasket coats and has weak viscidity glue, the lower surface coating of gasket coats and has strong viscidity glue, the LCD module with the upper surface laminating of gasket, glue the frame with the lower surface laminating of gasket.
Further, the lower surface of gasket still is equipped with the PET substrate layer, and the lower surface of PET substrate layer is located to strong viscidity glue.
Further, the initial adhesion ratio of the strong-adhesion glue to the weak-adhesion glue is 2:1 to 50: 1.
Further, FPC is equipped with the radium-shine district of two-dimensional code still, is located be equipped with black ink layer on the radium-shine upper surface of FPC on the district of two-dimensional code and locate white ink layer on the black ink layer, white ink layer has the two-dimensional code through radium-shine formation.
The utility model discloses following beneficial effect has:
because the touch functional layer is arranged above the second TAC film layer and is bound with the touch IC through the FPC, the touch functional layer can realize the touch function, so that the touch function can be integrated on the upper polarizer, the material can be saved, the cost can be reduced, the product can be thinned, and the market competitiveness is higher.
Drawings
Fig. 1 is a schematic structural diagram of an upper polarizer according to the present invention.
Fig. 2 is a schematic structural view of a display module according to the present invention.
Fig. 3 is a schematic diagram of a modified structure of the gasket.
Detailed Description
The present invention will be described in detail with reference to the following examples, which are only preferred embodiments of the present invention and are not intended to limit the present invention.
Please refer to fig. 1, which is a pair of the present invention provides an upper polarizer, which comprises a PSA adhesive layer 1, a first TAC film layer 2, a PVA film layer 3 and a second TAC film layer 4 sequentially stacked from bottom to top, wherein a touch functional layer 5 is disposed above the second TAC film layer 4, the touch functional layer 5 is bound with a touch IC through a FPC, and the touch IC is disposed on the second TAC film layer 4. Because the touch functional layer 5 is arranged above the second TAC film layer 4, and the touch functional layer 5 is bound with the touch IC through the FPC, the touch functional layer 5 can realize a touch function, so that the touch function can be integrated on the upper polarizer, materials can be saved, cost can be reduced, and the product can be thinned, thereby having great market competitiveness.
Further, the touch functional layer 5 is made of ITO.
Further, the sheet resistance of the ITO is 150 ohm or less.
Further, the touch functional layer 5 is made of nano silver wires, metal grids or graphite.
Please refer to fig. 2, which is the present invention provides a display module, further comprising an LCD module and a plastic frame 11 for supporting the LCD module, wherein the LCD module comprises a lower polarizer 12, a lower substrate 13, an upper substrate 14 and any one of the above polarizers 15 sequentially stacked from bottom to top, the upper substrate 14 and the lower substrate 13 are staggered to form a step, the edge of the plastic frame 11 extends upward to form a sidewall 111, the sidewall 111 is provided with at least two buckles 112, and the buckles 112 buckle the step. To prevent separation of the LCD module. The embodiment adopts four buckles 112 that are symmetrical to each other, but not limited thereto, in other embodiments, only two buckles 112 may be adopted, but the stability is inferior to the four buckles 112 of the embodiment. Wherein the upper substrate 14 is above the lower substrate 13, and the step buckled by the buckle 112 is the position where the upper surface of the lower substrate 13 is staggered with the upper substrate 14. The lower substrate 13 includes a circuit area and a non-circuit area, and the position where the latch 112 is fastened is preferably the non-circuit area to prevent the circuit of the lower substrate 13 from being affected. The utility model provides a display module assembly, its simple structure, the technology is ripe, and low cost can make the LCD module firmly fix on gluey frame 11, only need during the assembly with the LCD module press can, not waste time and energy, assembly efficiency is high, can effectively improve production efficiency.
Further, a gasket 16 is arranged between the LCD module and the rubber frame 11. The gasket 16 can be selected from foam or sponge rubber, the preferred foam of this embodiment, and the foam not only can play the dustproof effect of LCD module, can also guarantee to play the cushioning effect in LCD module assembling process. In other embodiments, sponge glue may be used, which not only can serve the above-mentioned function, but also can adhere the LCD module more firmly, further preventing the LCD module from separating. More preferably, the thickness δ of the gasket 16 is greater than or equal to 0.3mm, so as to ensure that the LCD module plays a role in buffering, the gasket 16 has enough thickness to be elastically deformed, the elastic force generated by the elastic deformation can exert certain pressure on the LCD module, so as to ensure that the LCD module can be more firmly clamped by the clamping buckle 112, and when the thickness δ of the gasket 16 is too small, the elastic force is small, so that the gasket cannot generate enough pressure on the LCD module, and the gasket is easy to fall off.
Referring to fig. 2 and fig. 3, further, weak adhesive glue 161 is coated on the upper surface of the gasket 16, strong adhesive glue 162 is coated on the lower surface of the gasket 16, the LCD module is attached to the upper surface of the gasket 16, and the bezel 11 is attached to the lower surface of the gasket 16. The gasket 16 not only can play a role in buffering and dust prevention, but also can prevent the upper surface of the gasket 16 from pulling the lower polarizer 12 in the LCD module to avoid MURA and further prevent the lower polarizer 12 from deforming because the upper surface of the gasket 16 is coated with the weak-viscosity glue 161; meanwhile, the number of layers of the gasket 16 is small, so that the gasket 16 can be prevented from falling off, and further the LCD module can be prevented from falling off.
Further, the lower surface of gasket 16 still is equipped with PET substrate layer 163, and the lower surface of PET substrate layer 163 is located to strong viscidity glue 162, owing to be equipped with PET substrate layer 163 as discernment, can play the effect of preventing slow-witted.
Further, the initial adhesion ratio of the strong adhesive glue 162 to the weak adhesive glue 161 is 2:1 to 50:1, which prevents the upper surface of the spacer 16 from pulling the lower polarizer 12 in the LCD module by controlling the glue adhesion to avoid MURA, thereby preventing the lower polarizer 12 from deforming.
Further, FPC is equipped with the radium-shine district of two-dimensional code still, is located be equipped with black ink layer on the radium-shine upper surface of FPC on the district of two-dimensional code and locate white ink layer on the black ink layer, white ink layer has the two-dimensional code through radium-shine formation. Owing to set up two-layer printing ink on black ink layer and white ink layer, carry out radium-shine through laser to top layer white ink layer and fall, expose the black ink layer of bottom, the radium-shine local demonstration of crossing of laser is the black, and the two-dimensional code contrast that generates through this kind of mode is effectual, sweeps the sign indicating number easily, and the damage can not drop yet to the two-dimensional code simultaneously, prevents that the two-dimensional code from becoming invalid, has reduced labour cost by a wide margin.
Further, the thickness of the black ink layer is 30 to 40 μm. The thickness of the white ink layer is 10-20 mu m. The thickness is the thickness that commonly used ultraviolet laser just can radium penetrate, and laser back is dustless moreover around, has beat and efficient advantage. The reason why the thickness of the black ink layer of the lower layer is thicker than that of the white ink layer of the upper layer is to avoid laser power energy fluctuation and prevent the black ink layer from being penetrated by laser to damage the inner layer of the FPC.
The above embodiments only express the embodiments of the present invention, and the description thereof is specific and detailed, but the invention can not be understood as the limitation of the patent scope of the present invention, but all the technical solutions obtained by adopting the equivalent substitution or equivalent transformation should fall within the protection scope of the present invention.
Claims (10)
1. The upper polarizer is characterized by comprising a PSA adhesive layer, a first TAC film layer, a PVA film layer and a second TAC film layer which are sequentially overlapped from bottom to top, wherein a touch functional layer is arranged above the second TAC film layer and is bound with a touch IC through an FPC (flexible printed circuit), and the touch IC is arranged on the second TAC film layer.
2. The upper polarizer according to claim 1, wherein the touch functional layer is made of ITO.
3. The upper polarizer according to claim 2, wherein the ITO has a surface resistance of 150 ohm or less.
4. The upper polarizer according to claim 1, wherein the touch functional layer is made of nano silver wires, metal grids or graphite.
5. The utility model provides a display module assembly, its characterized in that still includes the LCD module and bears the gluey frame of LCD module, the LCD module includes from bottom to top in proper order superpose the lower polaroid that sets up, infrabasal plate, upper substrate and according to any one of claims 1-4 go up the polaroid, the upper substrate with the infrabasal plate staggers each other and places and be formed with the step, the edge of gluing the frame upwards extends there is the lateral wall, be equipped with two at least buckles on the lateral wall, the buckle is detained the step.
6. The display module of claim 5, wherein a gasket is further disposed between the LCD module and the plastic frame.
7. The display module assembly according to claim 6, wherein the upper surface of the gasket is coated with a weak-adhesion glue, the lower surface of the gasket is coated with a strong-adhesion glue, the LCD module is attached to the upper surface of the gasket, and the bezel is attached to the lower surface of the gasket.
8. The display module assembly of claim 7, wherein the lower surface of the gasket is further provided with a PET substrate layer, and the high-viscosity glue is arranged on the lower surface of the PET substrate layer.
9. The display module according to claim 7, wherein the initial adhesion ratio of the strong-adhesion glue to the weak-adhesion glue is 2:1 to 50: 1.
10. The display module according to claim 5, wherein the FPC is further provided with a two-dimensional code laser area, a black ink layer and a white ink layer are arranged on the upper surface of the FPC on the two-dimensional code laser area, and the white ink layer is laser-formed into a two-dimensional code.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121352457.0U CN215297728U (en) | 2021-06-16 | 2021-06-16 | Go up polaroid and display module assembly |
Applications Claiming Priority (1)
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CN202121352457.0U CN215297728U (en) | 2021-06-16 | 2021-06-16 | Go up polaroid and display module assembly |
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CN215297728U true CN215297728U (en) | 2021-12-24 |
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CN202121352457.0U Active CN215297728U (en) | 2021-06-16 | 2021-06-16 | Go up polaroid and display module assembly |
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CN (1) | CN215297728U (en) |
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2021
- 2021-06-16 CN CN202121352457.0U patent/CN215297728U/en active Active
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