OGS display module and vehicle-mounted display screen

Abstract

The utility model discloses an OGS (One Glass Solution) display module and a vehicle-mounted display screen, and relates to the technical field of OGS display modules, the display module is provided with a display area and a frame area, an FPC (Flexible Printed Circuit) hot-pressing area is arranged in the frame area, and the FPC hot-pressing area is provided with an upper end and a lower end in the height direction; the structure of the FPC hot pressing area sequentially comprises a glass cover plate layer, a SiO2 layer arranged on one end face of the glass cover plate layer, a BM layer arranged on the end face, opposite to the glass cover plate layer, of the SiO2 layer, a first isolation layer arranged on the end face, opposite to the SiO2 layer, of the BM layer in a covering mode, and a second isolation layer arranged on the end face, opposite to the BM layer, of the first isolation layer in a covering mode from top to bottom. The first isolation layer and the ITO layer are arranged at one end, opposite to the first isolation layer, of the second isolation layer, and the MT layer is arranged at one end, opposite to the second isolation layer, of the ITO layer, the BM layer can be well protected, and the problem of development caused by contact and reaction of water vapor and the BM layer under the condition of UV illumination is effectively prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of OGS display modules, and particularly relates to an in-vehicle display screen of an OGS display module. Background Art

[0002] For the existing OGS display module, a touch function needs to be realized by thermocompression bonding an FPC to a touch chip in the FPC thermocompression area. As Figure 4 shown, the structure of this area from top to bottom is glass, SiO 2 , BM, IM arranged at intervals, ITO arranged at the lower end of the IM, and MT arranged on the lower end face of the ITO layer. There is a problem of development in the existing FPC thermocompression position under long-term strong UV light irradiation (as Figure 5 shown). The reason for this phenomenon is that under the condition of long-term strong UV light irradiation, due to the gap between adjacent ITOs, water vapor invades the BM layer through the gap between adjacent ITOs and reacts with the BM layer. The development at this position is fatal to the customer's application experience. Summary of the Utility Model

[0003] The main purpose of the utility model is to provide an OGS display module, aiming to effectively solve the problem that water vapor invades the BM layer through the gap between adjacent ITOs at the existing FPC thermocompression position under long-term strong UV light irradiation and reacts with the BM layer, resulting in the development of the display module.

[0004] The above technical purpose of the utility model is achieved through the following technical solutions:

[0005] An OGS display module, the display module has a display area and a border area, an FPC thermocompression area is arranged in the border area, the FPC thermocompression area has an upper end and a lower end in the height direction, and the structure of the FPC thermocompression area from top to bottom sequentially includes a glass cover layer, a SiO 2 layer arranged on one end face of the glass cover layer, a BM layer arranged on the end face of the SiO 2 layer opposite to the glass cover layer, and a covering arranged on the BM layer and the SiO 2A first isolation layer on one end face of the layer facing away, a second isolation layer covering and disposed on one end face of the first isolation layer facing away from the BM layer, a first isolation layer disposed on one end of the second isolation layer facing away from the first isolation layer and an ITO layer, and an MT layer disposed on one end of the ITO layer facing away from the second isolation layer. The first isolation layer has a plurality of first gaps, and the plurality of first gaps are spaced apart. The first gaps are used to accommodate the ITO layer. Adjacent ITO layers are separated by the first isolation layer. The ITO layer is in contact with the first isolation layer, and the MT layer is electrically connected to the ITO layer.

[0006] Optionally, the structure of the display area from top to bottom sequentially includes a glass cover plate layer, a first anti-glare layer disposed on one end face of the glass cover plate layer, a first conductive layer disposed on one end face of the first anti-glare layer facing away from the glass cover plate layer, a first OC protection layer disposed on one end face of the first conductive layer facing away from the first anti-glare layer, a second conductive layer and a second anti-glare layer disposed on one end face of the first OC protection layer facing away from the first conductive layer, and a second OC protection layer disposed on one end face of the second conductive layer, the second anti-glare layer facing away from the first OC protection layer. The second anti-glare layer has second gaps, and the second gaps are spaced apart. The second gaps are used to accommodate the second conductive layer, and the second conductive layer is located within the second gaps.

[0007] Optionally, the first isolation layer and the first anti-glare layer are of an integral structure.

[0008] Optionally, the second isolation layer and the first OC protection layer are of an integral structure.

[0009] Optionally, the first isolation layer and the second anti-glare layer are of an integral structure.

[0010] Optionally, a second isolation layer is further disposed within the FPC hot pressing area. The second isolation layer is located at one end of the first isolation layer facing away from the second isolation layer. The MT layer is separated by the second isolation layer, and the MT layer is in contact with the second isolation layer.

[0011] Optionally, the second isolation layer and the MT layer have lower ends in the height direction, and the lower end of the second isolation layer protrudes from the lower end of the MT layer.

[0012] Optionally, the second isolation layer and the second OC protection layer are of an integral structure.

[0013] Optionally, the ITO layer is electrically connected to the first conductive layer and the second conductive layer within the display area.

[0014] The present utility model further provides a vehicle-mounted display screen, including the OGS display module described above.

[0015] In practical applications, the OGS display module provided by the present application can be used in combination with an in-vehicle display screen in the prior art. Specifically, in the technical solution of the present utility model, by providing a first isolation layer and a second isolation layer, the BM layer is isolated and protected. At the same time, the position of the ITO layer is adjusted, and the first isolation layer is in contact with the ITO layer, so that the first isolation layer and the ITO layer jointly form a protective layer. The settings of the first isolation layer, the second isolation layer, and the first isolation layer and the ITO layer can effectively prevent water vapor from invading and reacting with the BM layer, and since the first isolation layer can also separate adjacent ITO layers, it effectively prevents adjacent ITO layers from short-circuiting, solving the problem that the FPC hot pressing position has development under long-term strong UV light in the prior art. Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of the FPC hot pressing area in an embodiment of the OGS display module of the present utility model;

[0017] Figure 2 It is a schematic structural diagram of the FPC display area in an embodiment of the OGS display module of the present utility model;

[0018] Figure 3 It is a schematic structural diagram of an embodiment of the OGS display module of the present utility model;

[0019] Figure 4 It is a schematic structural diagram of the FPC hot pressing area in the prior art;

[0020] Figure 5 It is a schematic diagram of development generated in the FPC hot pressing area in the prior art.

[0021] Explanation of the reference numerals in the drawings: 1. Glass cover layer; 2. SiO 2 layer; 3. BM layer; 4. First isolation layer; 5. Second isolation layer; 6. First isolation section; 7. ITO layer 7; 8. Second isolation section; 9. MT layer; 10. Display area; 11. Border area; 1101. FPC hot pressing area; 12. First anti-developing layer; 13. First conductive layer; 14. First OC protective layer; 15. Second conductive layer; 16. Second anti-developing layer; 17. Second OC protective layer. Detailed Embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0023] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present utility model are only used to explain the relative positional relationship, movement conditions, etc. between components in a certain specific posture (as shown in the attached drawings). If this specific posture changes, the directional indications will also change accordingly.

[0024] In the present utility model, unless otherwise clearly defined and limited, terms such as "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] In addition, in the present utility model, descriptions such as "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" can explicitly or implicitly include at least one of such features. In addition, the meaning of "and / or" appearing throughout the text is that it includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or the solution where A and B are satisfied simultaneously. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0026] The present utility model provides an OGS display module.

[0027] Refer to Figure 1 , in the embodiment of the present utility model, the OGS display module has a display area 10 and a border area 11. An FPC hot pressing area 1101 is provided in the border area 11. The FPC hot pressing area 1101 has an upper end and a lower end in the height direction. It is characterized in that the structure of the FPC hot pressing area 1101 sequentially includes a glass cover plate layer 1 from top to bottom, an SiO 2 layer 2 provided on one end face of the glass cover plate layer 1, a BM layer 3 provided on the end face of the SiO 2 layer 2 opposite to the glass cover plate layer 1, and a covering provided on the BM layer 3 and the SiO 2The first isolation layer 4 on one end face opposite to layer 2, the second isolation layer 5 covering and disposed on one end face opposite to the first isolation layer 4 and the BM layer 3, the first partition layer 6 disposed at one end opposite to the second isolation layer 5 and the first isolation layer 4, and the ITO layer 7, and the MT layer 9 disposed at one end opposite to the second isolation layer 5 and the ITO layer 7. The first partition layer 6 has a plurality of first gaps which are spaced apart. The first gaps are used to accommodate the ITO layer 7. Adjacent ITO layers 7 are separated by the first partition layer 6. The ITO layer 7 is in contact with the first partition layer 6. The MT layer 9 is electrically connected to the ITO layer 7.

[0028] In the embodiment of the present utility model, by providing the first isolation layer 4 and the second isolation layer 5, the BM layer 3 is isolated and protected. At the same time, the position of the ITO layer 7 is adjusted. By using the first partition layer 6 in contact with the ITO layer 7, the first partition layer 6 and the ITO layer 7 together form a protection layer. The settings of the first isolation layer 4, the second isolation layer 5, and the first partition layer 6 and the ITO layer 7 can effectively prevent water vapor from invading and reacting with the BM layer 3. At the same time, since the first isolation layer 4 can also separate adjacent ITO layers 7, it effectively prevents adjacent ITO layers 7 from short - circuiting. During hot pressing, when the metal conductive sheet on the FPC is in contact with and conducts with the MT layer 9 made of metal, hot pressing can be started.

[0029] Refer to Figure 2 , in an embodiment of the present utility model, the structure of the display area 10 from top to bottom sequentially includes a glass cover layer 1, a first anti - shadow layer 12 disposed on one end face of the glass cover layer 1, a first conductive layer 13 disposed on one end face opposite to the first anti - shadow layer 12 and the glass cover layer 1, a first OC protection layer 14 disposed on one end face opposite to the first conductive layer 13 and the first anti - shadow layer 12, a second conductive layer 15 and a second anti - shadow layer 16 disposed on one end face opposite to the first OC protection layer 14 and the first conductive layer 13, and a second OC protection layer 17 disposed on one end face opposite to the second conductive layer 15, the second anti - shadow layer 16 and the first OC protection layer 14. The second anti - shadow layer 16 has second gaps which are spaced apart. The second gaps are used to accommodate the second conductive layer 15. The second conductive layer 15 is located within the second gaps.

[0030] In the embodiment of the present utility model, the first isolation layer 4 in the FPC hot pressing area 1101 and the first shadow elimination layer 12 in the display area 10 are of an integral structure, the second isolation layer 5 in the FPC hot pressing area 1101 and the first OC protection layer 14 in the display area 10 are of an integral structure, the first partition layer 6 in the FPC hot pressing area 1101 and the second shadow elimination layer 16 in the display area 10 are of an integral structure. The materials of the first OC protection layer 14 and the second OC protection layer 17 are PI, and the materials of the first OC protection layer 14 and the second OC protection layer are silicon dioxide. They all have good electrical insulation performance. The first OC protection layer 14 and the second OC protection layer made of insulating materials can play a good protective role for the first conductive layer 13 and the second conductive layer 15.

[0031] Since the etching process is required to remove the unnecessary parts when processing the first shadow elimination layer 12, the first OC protection layer 14, and the second shadow elimination layer 16, during this process, it is necessary to cover the FPC hot pressing area 1101 so that the first isolation layer 4, the second isolation layer 5, and the first partition layer 6 can be retained in the FPC hot pressing area 1101 to form a multi-layer protection. In this way, the production steps of the first isolation layer 4, the second isolation layer 5, and the first partition layer 6 in the hot pressing area 1101 are relatively simple, and at the same time, the production cost is relatively low.

[0032] Further, the first OC protection layer 14 and the second OC protection layer 17 are made of PI insulating materials, and the first shadow elimination layer 12 and the second shadow elimination layer 16 are made of SiO 2 The first OC protection layer 14, the second OC protection layer 17, the first shadow elimination layer 12, and the second shadow elimination layer 16 all have good electrical insulation performance.

[0033] Refer to Figures 1 - 3 , in an embodiment of the present utility model, the first isolation layer 4 and the first shadow elimination layer 12 are of an integral structure.

[0034] In the embodiment of the present utility model, the first isolation layer 4 and the first shadow elimination layer 12 in the display area 10 are of the same layer. Since the etching process is required to remove the unnecessary parts when processing the first shadow elimination layer 12 in the display area 10, when forming the first isolation layer 4, it is necessary to cover the FPC hot pressing area 1101 so that the first shadow elimination layer 12 can be retained in the FPC hot pressing area 1101 to form the first isolation layer 4. In this way, the production steps of the first isolation layer 4 are relatively simple, and at the same time, the utilization rate of raw materials is improved, and the production cost is relatively low. The material of the first isolation layer 4 is the same as that of the first shadow elimination layer 12.

[0035] Refer to Figures 1 - 3, in an embodiment of the present utility model, the second isolation layer 5 and the first OC protection layer 14 are of an integral structure.

[0036] In the embodiment of the present utility model, the second isolation layer 5 and the first OC protection layer 14 in the display area 10 are of an integral structure. Since when processing the first OC protection layer 14 in the display area 10, an etching process is required to remove the unnecessary parts, therefore, when forming the second isolation layer 5, it is necessary to cover the FPC hot pressing area 1101 so that the first OC protection layer 14 can be retained in the FPC hot pressing area 1101 to form the second isolation layer 5. In this way, the production steps of the second isolation layer 5 are relatively simple, and at the same time, the production cost is also relatively low. The second isolation layer 5 and the first OC protection layer 14 are made of the same material.

[0037] Refer to Figures 1 - 3 , in an embodiment of the present utility model, the first isolation layer 6 and the second shadow elimination layer 16 are of an integral structure.

[0038] In the embodiment of the present utility model, the first isolation layer 6 and the second shadow elimination layer 16 in the display area 10 are of an integral structure. Since when processing the second shadow elimination layer 16, an etching process is required to remove the unnecessary parts, therefore, in this process, when forming the first isolation layer 6, it is necessary to cover the FPC hot pressing area 1101 so that the second shadow elimination layer 16 can be retained in the FPC hot pressing area 1101 to form the first isolation layer 6. In this way, the production steps of the first isolation layer 6 are relatively simple, and at the same time, the production cost is also relatively low. The first isolation layer 6 and the second shadow elimination layer 16 are made of the same material.

[0039] Refer to Figure 1 , in an embodiment of the present utility model, a second isolation layer 8 is further provided in the FPC hot pressing area 1101. The second isolation layer 8 is located at the end opposite to the first isolation layer 6 and the second isolation layer 5. The MT layer 9 is separated by the second isolation layer 8, and the MT layer 9 is in contact with the second isolation layer 8.

[0040] In the embodiment of the present utility model, by providing the second isolation layer 8 to separate the adjacent MT layers 9, the short circuit of the MT layer 9 can be effectively prevented.

[0041] Refer to Figure 1 , in an embodiment of the present utility model, the second isolation layer 8 and the MT layer 9 have lower ends in the height direction, and the lower end of the second isolation layer 8 protrudes from the lower end of the MT layer 9.

[0042] In the embodiment of the present utility model, in this way, the lower end of the second isolation layer 8 protrudes from the lower end of the MT layer 9, which can protect the MT layer 9 to a certain extent and prevent it from being damaged before hot pressing.

[0043] Refer to Figures 1 - 3, in an embodiment of the present utility model, the second partition layer 8 and the second OC protection layer 17 are an integral structure.

[0044] In an embodiment of the present utility model, the second partition layer 8 and the second OC protection layer 17 in the display area 10 are an integral structure. Since the etching process is required to remove the unnecessary parts by chemical agents when processing the second OC protection layer 17, during this process, it is necessary to cover the FPC hot pressing area 1101 so that the second OC protection layer 17 can be retained in the FPC hot pressing area 1101 to form the second partition layer 8. In this way, the production steps of the second partition layer 8 are relatively simple, and at the same time, the production cost is relatively low. The second partition layer 8 needs to be etched to form spaced gaps, and the MT layer 9 is inside the gaps. The second partition layer 8 made of PI has good insulation performance, and the material of the second partition layer 8 is the same as that of the second OC protection layer 17.

[0045] Refer to Figure 3 , in an embodiment of the present utility model, the ITO layer 7 is electrically connected to the first conductive layer 13 and the second conductive layer 15 in the display area 10.

[0046] In an embodiment of the present utility model, the ITO layer 7 is electrically connected to the first conductive layer 13 and the second conductive layer 15 in the display area 10 to ensure that the touch chip can work normally after hot pressing.

[0047] The present utility model also provides a vehicle-mounted display screen, including an OGS display module. The specific structure of the OGS display module refers to the above embodiments. Since this vehicle-mounted display screen adopts all the technical solutions of the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be elaborated herein one by one.

[0048] The above are only the preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model. Any equivalent structural transformation made by using the description and drawings of the present utility model under the inventive concept of the present utility model, or any direct / indirect application in other related technical fields is included in the patent protection scope of the present utility model.

Claims

1. An OGS display module, the OGS display module having a display area and a frame area, the frame area is provided with an FPC hot pressing area, the FPC hot pressing area has an upper end and a lower end in a height direction, characterized in that: The structure of the FPC hot pressing area includes, from top to bottom, a glass cover layer, a SiO2 layer arranged on one end face of the glass cover layer, a BM layer arranged on the end face of the SiO2 layer opposite to the glass cover layer, a first isolation layer covering the end face of the BM layer opposite to the SiO2 layer, a second isolation layer covering the end face of the first isolation layer opposite to the BM layer, a first partition layer and an ITO layer arranged at the end of the second isolation layer opposite to the first isolation layer, and an MT layer arranged at the end of the ITO layer opposite to the second isolation layer, the first isolation layer having a plurality of first gaps, the plurality of first gaps being arranged at intervals, the first gaps being used to accommodate the ITO layer, adjacent ITO layers being separated by the first isolation layer, the ITO layer being in contact with the first isolation layer, and the MT layer being electrically connected to the ITO layer.

2. The OGS display module according to claim 1, characterized in that: The structure of the display area includes, from top to bottom, a glass cover layer, a first shadow elimination layer arranged on one end face of the glass cover layer, a first conductive layer arranged on an end face of the first shadow elimination layer opposite to the glass cover layer, a first OC protective layer arranged on an end face of the first conductive layer opposite to the first shadow elimination layer, a second conductive layer and a second shadow elimination layer arranged on an end face of the first OC protective layer opposite to the first conductive layer, and a second OC protective layer arranged on the second conductive layer and an end face of the second shadow elimination layer opposite to the first OC protective layer, the second shadow elimination layer having a second gap, the second gap being arranged at intervals, the second gap being used to accommodate the second conductive layer, and the second conductive layer being located in the second gap.

3. The OGS display module according to claim 2, characterized in that: The first isolation layer and the first shadow elimination layer are an integrated structure.

4. The OGS display module according to claim 2, characterized in that: The second isolation layer and the first OC protection layer are an integrated structure.

5. The OGS display module according to claim 2, characterized in that: The first barrier layer and the second shadow elimination layer are an integral structure.

6. The OGS display module according to claim 2, characterized in that: A second isolation layer is further provided in the FPC hot pressing area. The second isolation layer is located at an end of the first isolation layer opposite to the second isolation layer. The MT layer is isolated by the second isolation layer, and the MT layer is in contact with the second isolation layer.

7. The OGS display module according to claim 6, characterized in that: The second barrier layer and the MT layer have lower ends in a height direction, and the lower end of the second barrier layer protrudes from the lower end of the MT layer.

8. The OGS display module according to claim 6, characterized in that: The second isolation layer and the second OC protection layer are an integrated structure.

9. The OGS display module according to claim 2, characterized in that: The ITO layer is electrically connected to the first conductive layer and the second conductive layer in the display area.

10. A vehicle-mounted display screen, characterized in that: It comprises the OGS display module as claimed in any one of claims 1 to 9.

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