Display screen edge glue sealing mold and manufacturing method thereof

Abstract

The invention relates to a display screen edge glue sealing mold and a manufacturing method thereof.The display screen edge glue sealing mold comprises a light-transmitting substrate and a glue pouring mold sleeve connected to the light-transmitting substrate, the light-transmitting substrate is made of organic materials, the glue pouring mold sleeve is connected to the light-transmitting substrate, the glue pouring mold sleeve is provided with a glue pouring groove and a pouring opening communicated with the glue pouring groove, and the glue pouring opening is communicated with the glue pouring groove. The elastic modulus of the glue pouring mold sleeve is smaller than that of the light-transmitting substrate, the glue pouring mold sleeve can be connected to the display screen in a sleeving mode, and when the glue pouring mold sleeve is arranged on the display screen in a sleeving mode, the display screen and the groove wall of the glue pouring groove are defined to form a glue pouring channel. According to the display screen edge glue sealing mold and the manufacturing method thereof, due to the fact that the elastic modulus of the glue pouring mold sleeve is smaller than that of the light-transmitting substrate, the glue pouring mold sleeve can be conveniently connected to the display screen in a sleeving mode, the light-transmitting substrate can support the glue pouring mold sleeve and the display screen, and the glue sealing effect on the edge of the display screen is guaranteed; the light-transmitting substrate made of the organic material has good toughness and is not easy to crack, so that the rejection rate of the glue sealing mold is reduced, and the cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of electronic equipment, and in particular to a display screen edge sealing mold and a manufacturing method thereof. Background Art

[0002] With the development of electronic devices such as smart phones and tablet computers, users have higher requirements on the appearance and texture of electronic devices. For example, users expect the width of the black border around the screen of the electronic device to be as narrow as possible.

[0003] In the related art, the display screen is usually connected to the middle frame by glue dispensing, and this structure limits the reduction of the black border width. In this regard, there are attempts to seal the edge of the display screen by glue injection to reduce the black border.

[0004] However, when the edge of the display screen is filled with glue using the sealing mold, the substrate of the sealing mold is prone to cracking, resulting in a high scrap rate of the sealing mold, which in turn leads to increased costs. Summary of the invention

[0005] The present application provides a display screen edge sealing mold and a manufacturing method thereof, so as to solve the technical problem that the sealing mold has a high scrap rate and thus leads to increased costs.

[0006] On the one hand, the present application provides a display screen edge sealing mold, comprising:

[0007] A light-transmitting substrate, wherein the light-transmitting substrate is made of an organic material;

[0008] A glue pouring mold sleeve, wherein the glue pouring mold sleeve is connected to the light-transmitting substrate, the glue pouring mold sleeve has a glue pouring groove and a pouring port connected to the glue pouring groove, the elastic modulus of the glue pouring mold sleeve is smaller than the elastic modulus of the light-transmitting substrate, the glue pouring mold sleeve can be sleeved on the display screen, when the glue pouring mold sleeve is sleeved on the display screen, the display screen and the groove wall of the glue pouring groove form a glue pouring channel, the glue pouring channel is used to guide the glue injected from the pouring port to cover the edge of the display screen, the glue is used to solidify under the irradiation of light through the light-transmitting substrate to form a sealing glue body, and the sealing glue body can be demoulded from the glue pouring mold sleeve along with the display screen.

[0009] In one embodiment, the transmittance of the transparent substrate in the spectral range of 10nm-3000nm wavelength is greater than or equal to 1%, and the total transmittance of the transparent substrate and the casting mold in the spectral range of 10nm-3000nm wavelength is greater than or equal to 1%.

[0010] In one embodiment, the transmittance of the light-transmitting substrate in the spectral range of 300nm-600nm wavelength is greater than or equal to 80%, and the total transmittance of the light-transmitting substrate and the casting mold in the spectral range of 300nm-600nm wavelength is greater than or equal to 80%.

[0011] In one embodiment, the light-transmitting substrate is made of polycarbonate, polymethyl methacrylate or polyamide, and the glue-potting mold sleeve is made of soft glue.

[0012] In one of the embodiments, the glue pouring mold sleeve is formed with a through groove, the glue pouring groove is arranged around the circumference of the through groove, and the depth of the glue pouring groove is smaller than the through groove, the through groove penetrates the glue pouring mold sleeve along the thickness direction of the glue pouring mold sleeve, the glue pouring mold sleeve is injection molded on the light-transmitting substrate, and the light-transmitting substrate covers the through groove on the side of the groove bottom wall facing away from the glue pouring groove.

[0013] In one embodiment, the light-transmitting substrate is provided with a through hole, and the glue pouring mold sleeve includes a pouring joint, a portion of the pouring joint is formed in the through hole, and the pouring joint forms a limiting protrusion, and the limiting protrusion is abutted against the side of the bottom wall of the light-transmitting substrate facing away from the glue pouring groove, and the pouring port is formed in the pouring joint and passes through the limiting protrusion.

[0014] On the other hand, the present application provides a method for manufacturing a display screen edge sealing mold, comprising:

[0015] injection molding an organic material into a light-transmitting substrate;

[0016] Injection molding a glue-filling mold sleeve on the light-transmitting substrate;

[0017] Among them, the glue pouring mold sleeve has a glue pouring groove and a pouring port connected to the glue pouring groove, the elastic modulus of the glue pouring mold sleeve is smaller than the elastic modulus of the light-transmitting substrate, the glue pouring mold sleeve can be sleeved on the display screen, and when the glue pouring mold sleeve is sleeved on the display screen, the display screen and the groove wall of the glue pouring groove are enclosed to form a glue pouring channel, and the glue pouring channel is used to guide the glue injected from the pouring port to cover the edge of the display screen, and the glue is used to solidify under the irradiation of light passing through the light-transmitting substrate to form a sealing body, and the sealing body can be demolded from the glue pouring mold sleeve along with the display screen.

[0018] In one embodiment, the step of injection molding the organic material into a light-transmitting substrate comprises:

[0019] Providing a first injection mold, the first injection mold comprising a first upper mold and a first lower mold, the first upper mold cooperates with the first lower mold to form a first mold cavity, at least one of the first upper mold and the first lower mold is provided with a first column, and the first column is located in the first mold cavity;

[0020] Injecting an organic material into the first mold cavity so that the organic material is formed into a light-transmitting substrate in the first mold cavity;

[0021] A through hole is formed in the light-transmitting substrate at a position corresponding to the first column, and a portion of the injection port is formed in the through hole.

[0022] In one embodiment, after the step of injecting the organic material into the first mold cavity so that the organic material is formed into a light-transmitting substrate in the first mold cavity, the method further includes the following steps:

[0023] separating the first upper mold and the first lower mold;

[0024] Demolding the light-transmitting substrate;

[0025] The demoulded transparent substrate is coated.

[0026] In one embodiment, the step of injection molding a glue-filling mold sleeve on the light-transmitting substrate comprises:

[0027] A second injection mold is provided, wherein the second injection mold comprises a second upper mold and a second lower mold, wherein the second upper mold cooperates with the second lower mold to form a second mold cavity, wherein at least one of the second upper mold and the second lower mold is provided with a second column, wherein the second column is located in the second mold cavity, wherein a first boss and a second boss surrounding an outer periphery of the first boss are provided on one side of the second upper mold forming the second mold cavity, wherein a groove is formed in the second lower mold, and the second column contacts a bottom wall of the groove;

[0028] Put the light-transmitting substrate into the second injection mold, and close the second injection mold so that the first boss contacts the light-transmitting substrate, a first injection gap is formed between the second boss and the light-transmitting substrate, the second column is penetrated through the through hole of the light-transmitting substrate, and a second injection gap is formed between the peripheral side wall of the second column and the hole wall of the through hole, and the second injection gap is connected to the groove and the first injection gap;

[0029] Injecting soft rubber material into the second mold cavity, and the soft rubber material is formed into the glue-filling mold sleeve in the second mold cavity;

[0030] Among them, the glue pouring mold sleeve forms a through groove corresponding to the first boss, and the glue pouring mold sleeve forms a glue pouring groove corresponding to the second boss, the glue pouring groove is arranged around the circumference of the through groove, and the bottom wall of the glue pouring groove is formed in the first injection gap, the glue pouring mold sleeve forms a pouring joint corresponding to the second injection gap, the pouring joint forms the pouring port at the position of the second column, and the pouring joint forms a limiting protrusion at the groove that is against the side of the light-transmitting substrate facing the second lower mold, and the pouring port is connected to the glue pouring groove and passes through the limiting protrusion.

[0031] In one embodiment, after the step of injecting the soft glue material into the second mold cavity and forming the soft glue material into the glue-filling mold sleeve in the second mold cavity, the step further includes:

[0032] separating the second upper mold and the second lower mold;

[0033] The glue-filling mold sleeve and the light-transmitting substrate are demoulded.

[0034] In one embodiment, the light-transmitting substrate is made of polycarbonate, polymethyl methacrylate or polyamide, and the glue-potting mold sleeve is made of soft glue.

[0035] The display screen edge sealing mold and manufacturing method thereof of the present application have a smaller elastic modulus of the glue casting mold sleeve than the light-transmitting substrate. Therefore, the glue casting mold sleeve is softer than the light-transmitting substrate, so that the glue casting mold sleeve can be conveniently sleeved on the display screen. At the same time, the light-transmitting substrate can support the glue casting mold sleeve and the display screen to ensure the stability of the glue coating on the edge of the display screen along the glue casting channel. The light-transmitting substrate made of organic material has good toughness and is not prone to cracking, thereby reducing the scrap rate of the glue casting mold and reducing the cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0037] Figure 1 A schematic top view of a display screen edge sealing mold provided in one embodiment.

[0038] Figure 2 A schematic side view of a display screen edge sealing mold provided in one embodiment.

[0039] Figure 3A schematic diagram of a light transmittance test of a light-transmitting substrate of a display screen edge sealing mold provided in one embodiment.

[0040] Figure 4 A schematic diagram of light transmittance testing of a light-transmitting substrate and a casting mold sleeve of a display screen edge sealing mold provided in one embodiment.

[0041] Figure 5 A schematic flow chart of the steps of a method for manufacturing a display screen edge sealing mold provided in one embodiment.

[0042] Figure 6 The present invention is a schematic flow chart of step S102 in a method for manufacturing a display screen edge sealing mold provided in one embodiment.

[0043] Figure 7 The present invention is a schematic flow chart of another implementation of step S102 in a method for manufacturing a display screen edge sealing mold provided in one implementation.

[0044] Figure 8 The present invention is a schematic flow chart of step S104 in a method for manufacturing a display screen edge sealing mold provided in one embodiment.

[0045] Fig. 9 The present invention is a schematic flow chart of another implementation of step S104 in the method for manufacturing a display screen edge sealing mold provided in one implementation.

[0046] Reference numerals:

[0047] 100. Display screen edge sealing mold; 10. Transparent substrate; 11. Perforation; 20. Glue pouring mold sleeve; 21. Glue pouring groove; 22. Pouring port; 23. Pouring joint; 231. Limiting protrusion; 24. Through groove; 25. Partition wall; 200. Transmittance detector; 201. Transmitting end; 202. Receiving end; 203. Detection beam. DETAILED DESCRIPTION

[0048] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0049] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0050] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0051] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0052] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0053] See also Figure 1 and Figure 2 As shown, a display screen edge sealing mold 100 provided in one embodiment of the present application includes a light-transmitting substrate 10 and a glue-filling mold sleeve 20. The glue-filling mold sleeve 20 is connected to the light-transmitting substrate 10, and the glue-filling mold sleeve 20 has a glue-filling groove 21 and a filling port 22 connected to the glue-filling groove 21. The number of the filling ports 22 can be multiple, for example, the number of the filling ports 22 is 2, 3, 4 or 5, which is not limited here.

[0054] The glue injection mold sleeve 20 can be sleeved on the display screen. When the glue injection mold sleeve 20 is sleeved on the display screen, the display screen and the groove wall of the glue injection groove 21 are enclosed to form a glue injection channel.

[0055] In this embodiment, the glue pouring channel is used to guide the glue injected from the pouring port 22 to cover the edge of the display screen. In this way, when the glue pouring mold sleeve 20 is sleeved on the display screen, the wall of the glue pouring groove 21 of the glue pouring mold sleeve 20 and the display screen are used to enclose the glue pouring channel, and the glue pouring channel extends along the edge of the display screen, so that the glue injected from the pouring port 22 into the glue pouring channel can cover the edge of the display screen, thereby achieving the effect of encapsulating and sealing the edge of the display screen.

[0056] The elastic modulus of the glue pouring mold sleeve 20 is smaller than that of the light-transmitting substrate 10. Therefore, the glue pouring mold sleeve 20 is softer than the light-transmitting substrate 10, so that the glue pouring mold sleeve 20 can be conveniently sleeved on the display screen. At the same time, the light-transmitting substrate 10 can support the glue pouring mold sleeve 20 and the display screen to ensure the stability of the glue wrapping the edge of the display screen along the glue pouring channel.

[0057] In the display screen edge sealing mold 100 of the present application, the transparent substrate 10 is made of organic material, so that the transparent substrate 10 has good toughness and is not prone to cracking, thereby reducing the scrap rate of the sealing mold and reducing costs.

[0058] Since the light-transmitting substrate 10 is light-transmitting, the glue coated on the edge of the display screen can be cured by light curing. For example, the glue is used to cure under the irradiation of light passing through the light-transmitting substrate 10 to form a sealing body. In this way, the sealing body can be used to seal the edge of the display screen, thereby improving the sealing effect of the edge of the display screen. It can be understood that after the glue coated on the edge of the display screen is cured by light to form a sealing body, the sealing body can be demolded from the glue casting mold sleeve 20 along with the display screen, so that the display screen edge sealing mold 100 can be used to cast glue and seal another display screen, thereby realizing the streamlined operation of the display screen casting and sealing process to improve production efficiency.

[0059] It should be noted that both the transparent substrate 10 and the overall structure of the display edge sealing mold 100 are light-transmissive to meet the need of irradiating light on the glue in the glue filling groove 21 to solidify the glue.

[0060] For example, in some embodiments, the light transmittance of the transparent substrate 10 in the spectral range of 10nm-3000nm wavelength is greater than or equal to 1%, and the total light transmittance of the transparent substrate 10 and the glue casting mold 20 in the spectral range of 10nm-3000nm wavelength is greater than or equal to 1%. Through this configuration, the transparent substrate 10 and the glue casting mold 20 can meet the light transmittance requirements of the light-curing glue.

[0061] In some embodiments, the transparent substrate 10 and the glue casting mold 20 can also be made of materials with appropriate light transmittance to meet the needs of glue curing. For example, the light transmittance of the transparent substrate 10 in the spectral range of 300nm-600nm wavelength is greater than or equal to 80%, and the total light transmittance of the transparent substrate 10 and the glue casting mold 20 in the spectral range of 300nm-600nm wavelength is greater than or equal to 80%.

[0062] The light transmittance test method can be tested by using a light transmittance detector 200. For example, the light transmittance detector 200 includes a transmitter 201 and a receiver 202 that are arranged opposite to each other, wherein the transmitter 201 is used to emit a detection light beam 203, and the receiver 202 is used to receive the light beam after the detection light beam 203 of the transmitter 201 passes through the detected object, so as to obtain the light transmittance of the detected object to the detection light beam 203 according to the change amount before and after the detection light beam 203 passes through the detected object.

[0063] Combination Figure 3 As shown, when the transmittance detector 200 is used to test the transmittance of the transparent substrate 10, the transparent substrate 10 is placed between the transmitting end 201 and the receiving end 202; then, the transmitting end 201 emits a detection beam 203, and the detection beam 203 passes through the transparent substrate 10 and is incident on the receiving end 202. Since the detection beam 203 is attenuated when passing through the transparent substrate 10, the detection beam 203 received by the receiving end 202 has a certain variation relative to the detection beam 203 emitted by the transmitting end 201, so the transmittance of the transparent substrate 10 to the detection beam 203 is known according to the variation.

[0064] Accordingly, combined Figure 4 As shown, when the transmittance detector 200 is used to test the transmittance of the light-transmitting substrate 10 and the glue-filling mold sleeve 20, the light-transmitting substrate 10 and the glue-filling mold sleeve 20 are placed between the transmitting end 201 and the receiving end 202; then, the transmitting end 201 emits a detection beam 203, and the detection beam 203 passes through the light-transmitting substrate 10 and the glue-filling mold sleeve 20 and is incident on the receiving end 202. Since the detection beam 203 is attenuated when passing through the light-transmitting substrate 10 and the glue-filling mold sleeve 20, the detection beam 203 received by the receiving end 202 has a certain variation relative to the detection beam 203 emitted by the transmitting end 201, so that the transmittance of the light-transmitting substrate 10 and the glue-filling mold sleeve 20 to the detection beam 203 is known according to the variation.

[0065] The light transmittance of the transparent substrate 10 and the potting mold 20 is not limited here.

[0066] In some embodiments, the material of the transparent substrate 10 is an organic material such as polycarbonate (PC), polymethyl methacrylate (PMMA) or polyamide (PA). The transparent substrate 10 adopts these organic materials to obtain not only good light transmittance but also good toughness, thereby ensuring that the display edge sealing mold meets the requirements of light curing of the glue when sealing the display screen, and the transparent substrate 10 is not easy to crack, so as to reduce the scrap rate of the display edge sealing mold 100 and reduce costs.

[0067] It should be noted here that the light-transmitting substrate 10 made of organic materials has a lower cost than a glass substrate in terms of both the time required for the production process and the materials, and has higher toughness than a glass substrate. Therefore, the display edge sealing mold 100 of the present application uses a light-transmitting substrate 10 made of organic materials, which not only takes into account the production cost of the light-transmitting substrate 10, but also reduces the probability of cracking, thereby saving the cost of the display edge sealing mold 100 for filling and sealing the edge of the display screen as a whole.

[0068] In some embodiments, the material of the glue casting mold sleeve 20 is a soft glue material. The soft glue material includes but is not limited to silicone, liquid silicone, PU (Polyurethane) soft glue or PVC (Polyvinyl chloride) soft glue. The glue casting mold sleeve 20 made of such materials is not only flexible, but can be easily mounted on the display screen. In addition, the glue casting mold sleeve 20 made of such materials is also convenient for demolding the display screen together with the sealing body, which is conducive to improving the efficiency of the operation of using the display screen edge sealing mold 100 to cast glue on the display screen.

[0069] It should be noted that, although the elastic modulus of the glue casting mold 20 and the light-transmitting substrate 10 is smaller than that of the light-transmitting substrate 10, no matter what materials the glue casting mold 20 and the light-transmitting substrate 10 are made of, the glue casting mold 20 and the light-transmitting substrate 10 both meet the light curing requirements of the glue in the glue casting groove 21. The materials and light transmittance of the glue casting mold 20 and the light-transmitting substrate 10 are not limited here.

[0070] Combination Figure 4As shown, the glue casting mold sleeve 20 is formed with a through groove 24, and the glue casting groove 21 is arranged around the circumference of the through groove 24. The depth of the glue casting groove 21 is less than the through groove 24, and the through groove 24 penetrates the glue casting mold sleeve 20 along the thickness direction of the glue casting mold sleeve 20. The glue casting mold sleeve 20 is injection molded on the light-transmitting substrate 10, and the light-transmitting substrate 10 covers the through groove 24 on the side of the groove bottom wall facing away from the glue casting groove 21. In this embodiment, for the structure in which the glue casting groove 21 is arranged around the circumference of the through groove 24, the glue casting mold sleeve 20 forms a barrier wall 25 between the two grooves, that is, the barrier wall 25 separates the through groove 24 and the glue casting groove 21 arranged around the circumference of the through groove 24 in the space enclosed by the glue casting mold sleeve 20. Thus, when the edge of the display screen is sealed with glue using the display screen edge sealing mold 100, the glue casting mold sleeve 20 is set on the display screen, and the display surface of the display screen is opposite to the light-transmitting substrate 10, and there is a through groove 24 between the two. Therefore, the provision of the through groove 24 can reduce the probability of the display surface of the display screen being worn. Of course, since the through groove 24 penetrates the glue casting mold sleeve 20 along the thickness direction of the glue casting mold sleeve 20, the glue casting mold sleeve 20 is in a ring shape arranged around the periphery of the display screen (see Figure 1 As shown), after the glue covering the edge of the display screen is cured by light to form a sealing body, the glue-filling film sleeve is in a ring shape, so that it is convenient to elastically deform outward when peeling from the edge of the display screen, thereby making it easier to demold the display screen together with the sealing body from the glue-filling mold sleeve 20.

[0071] Continue to combine Figure 4 As shown, in some embodiments, the light-transmitting substrate 10 is provided with a perforation 11. The glue pouring mold sleeve 20 includes a pouring joint 23, and a portion of the pouring joint 23 is formed in the perforation 11. The pouring joint 23 forms a limiting protrusion 231, and the pouring port 22 is formed in the pouring joint 23 and penetrates the limiting protrusion 231. In this way, when the edge of the display screen is poured and sealed by the display screen edge sealing mold 100, after the display screen is placed in the glue pouring film sleeve, glue can be injected into the glue pouring groove 21 through the pouring port 22 at the position corresponding to the limiting protrusion 231, so that the glue flows along the glue pouring channel and covers the edge of the display screen. Then, after the glue is cured by light to form a sealing body, the sealing body can have a sealing effect on the edge of the display screen. The limiting protrusion 231 is pressed against the bottom wall of the transparent substrate 10 which is away from the glue potting groove 21. In this way, the limiting protrusion 231 can be used to limit the potting joint 23 from being separated from the through hole 11 of the transparent substrate 10, thereby achieving a stable clamping connection between the potting joint 23 and the transparent base, which is beneficial to the connection stability between the transparent substrate 10 and the glue potting mold sleeve 20, avoiding the glue potting mold sleeve 20 from falling off the transparent substrate 10, and improving the overall structural strength of the display edge sealing mold 100, thereby extending its service life, so as to achieve the effect of reducing the mold use cost.

[0072] Combination Figure 5As shown, another embodiment of the present application provides a method for manufacturing a display screen edge sealing mold 100, comprising:

[0073] Step S102 , injection molding the organic material into a light-transmitting substrate 10 .

[0074] The organic material may be polycarbonate (PC), polymethyl methacrylate (PMMA), or polyamide (PA).

[0075] Step S104, injection molding the glue casting mold 20 on the transparent substrate 10. The transparent substrate 10 adopts these organic materials, which can not only obtain good light transmittance, but also obtain good toughness, thereby ensuring that the display edge sealing mold meets the light curing requirements of the glue when sealing the display screen, and the transparent substrate 10 is not easy to crack, so as to reduce the scrap rate of the display edge sealing mold 100 and reduce costs.

[0076] Specifically, the glue pouring mold sleeve 20 has a glue pouring groove 21 and a pouring port 22 connected to the glue pouring groove 21. The glue pouring mold sleeve 20 can be sleeved on the display screen. When the glue pouring mold sleeve 20 is sleeved on the display screen, the display screen and the groove wall of the glue pouring groove 21 are enclosed to form a glue pouring channel. The glue pouring channel extends along the edge of the display screen. The glue pouring channel is used to guide the glue injected from the pouring port 22 to cover the edge of the display screen. The glue is used to solidify under the irradiation of light passing through the light-transmitting substrate 10 to form a sealing body. The sealing body can be demolded from the glue pouring mold sleeve 20 along with the display screen.

[0077] The elastic modulus of the glue pouring mold sleeve 20 is smaller than that of the light-transmitting substrate 10. Therefore, the glue pouring mold sleeve 20 is softer than the light-transmitting substrate 10, so that the glue pouring mold sleeve 20 can be conveniently sleeved on the display screen. At the same time, the light-transmitting substrate 10 can support the glue pouring mold sleeve 20 and the display screen to ensure the stability of the glue wrapping the edge of the display screen along the glue pouring channel.

[0078] The material of the glue casting mold sleeve 20 is a soft glue material, as long as the elastic modulus of the glue casting mold sleeve 20 is less than the elastic modulus of the light-transmitting substrate 10. For example, the soft glue material of the glue casting mold sleeve 20 includes but is not limited to silicone, liquid silicone, PU (Polyurethane) soft glue or PVC (Polyvinyl chloride) soft glue. The glue casting mold sleeve 20 made of such materials is not only flexible, but can be easily mounted on the display screen. In addition, the glue casting mold sleeve 20 made of such materials is also convenient for demolding the display screen together with the sealing body, which is conducive to improving the efficiency of using the display screen edge sealing mold 100 to cast glue on the display screen.

[0079] Combination Figure 6 As shown, in some embodiments, step S102, i.e., the step of injection molding the organic material into the light-transmitting substrate 10, includes:

[0080] Step S1021, providing a first injection mold (not shown), the first injection mold comprising a first upper mold and a first lower mold, the first upper mold cooperates with the first lower mold to form a first mold cavity, at least one of the first upper mold and the first lower mold is provided with a first column, and the first column is located in the first mold cavity.

[0081] Step S1022 , injecting an organic material into the first mold cavity, so that the organic material is formed into a light-transmitting substrate 10 in the first mold cavity.

[0082] Specifically, the transparent substrate 10 forms a through hole 11 at a position corresponding to the first column, and a portion of the injection port 22 is formed in the through hole 11. The structure of the first injection mold is not limited here, as long as it can meet the injection molding requirements of the transparent substrate 10.

[0083] Combination Figure 7 As shown, in some embodiments, after step S1022, i.e., injecting the organic material into the first mold cavity so that the organic material is formed into the light-transmitting substrate 10 in the first mold cavity, the step further includes:

[0084] Step S1023, separating the first upper mold and the first lower mold.

[0085] Step S1024 , demolding the light-transmitting substrate 10 .

[0086] Step S1025 , laminating the demoulded transparent substrate 10 .

[0087] In this embodiment, the above steps can be used to demold the transparent substrate 10, so that the transparent substrate 10 can be combined with the glue casting mold 20 to form the display screen edge glue sealing mold 100. Since the transparent substrate 10 after demolding is laminated, the laminate can protect the transparent substrate 10, so that the transparent substrate 10 can be stored in the warehouse.

[0088] It should be noted here that for the transparent substrate 10 to be coated, when the transparent substrate 10 needs to be combined with the potting mold sleeve 20 to form a display screen edge sealing mold 100, the coating can be torn off from the surface of the transparent substrate 10 first, and then the potting mold sleeve 20 can be injection molded on the transparent substrate 10.

[0089] In some embodiments, before step S104, the transparent substrate 10 may be inspected to ensure that the quality of the transparent substrate 10 meets the requirements for manufacturing the display edge sealing mold 100. Furthermore, the surface of the transparent substrate 10 may be subjected to surface activation treatment, spraying treatment agent or baking, so that the surface of the transparent substrate 10 is easy to be injection molded into the casting mold 20.

[0090] Combination Figure 8 As shown, in some embodiments, step S104, i.e., the step of injection molding the potting mold sleeve 20 on the light-transmitting substrate 10, includes:

[0091] Step S1041, provide a second injection mold (not shown in the figure), the second injection mold includes a second upper mold and a second lower mold, the second upper mold cooperates with the second lower mold to form a second mold cavity, at least one of the second upper mold and the second lower mold is provided with a second cylinder, the second cylinder is located in the second mold cavity, the second upper mold forms the second mold cavity on one side with a first boss and a second boss surrounding the outer periphery of the first boss, the second lower mold forms a groove, and the second cylinder is in contact with the bottom wall of the groove.

[0092] Step S1042, placing the transparent substrate 10 into the second injection mold, and closing the second injection mold so that the first boss contacts the transparent substrate 10, and a first injection gap is formed between the second boss and the transparent substrate 10, the second column is penetrated through the through hole 11 of the transparent substrate 10, and a second injection gap is formed between the peripheral side wall of the second column and the hole wall of the through hole 11, and the second injection gap is connected to the groove and the first injection gap.

[0093] Step S1043 , injecting soft glue material into the second mold cavity, and the soft glue material is formed into a glue-filling mold sleeve 20 in the second mold cavity.

[0094] In this embodiment, the glue casting mold sleeve 20 forms a through groove 24 at the position corresponding to the first boss, and the glue casting mold sleeve 20 forms a glue casting groove 21 at the position corresponding to the second boss. The glue casting groove 21 is arranged around the circumference of the through groove 24, and the bottom wall of the glue casting groove 21 is formed at the first injection gap. The glue casting mold sleeve 20 forms a casting joint 23 at the position corresponding to the second injection gap. The casting joint 23 forms a casting port 22 at the position of the second column, and the casting joint 23 forms a limiting protrusion 231 at the groove that abuts against the transparent substrate 10 and faces the side where the second lower mold is located. The casting port 22 is connected to the glue casting groove 21 and passes through the limiting protrusion 231. In this way, when the edge of the display screen is cast and sealed with glue using the edge sealing mold 100 of the display screen, after the display screen is placed in the glue casting film sleeve, glue can be injected into the glue casting groove 21 through the casting port 22 at the position corresponding to the limiting protrusion 231, so that the glue flows along the glue casting channel and covers the edge of the display screen. After the glue is cured by light to form a sealing body, the sealing body can seal the edge of the display screen.

[0095] Since the limiting protrusion 231 is pressed against the bottom wall of the transparent substrate 10 which faces away from the glue potting groove 21, the limiting protrusion 231 can be used to limit the potting joint 23 from being separated from the through hole 11 of the transparent substrate 10, so as to achieve a stable clamping connection between the potting joint 23 and the transparent base, thereby preventing the glue potting mold sleeve 20 from falling off the transparent substrate 10, improving the overall structural strength of the display edge glue sealing mold 100, and thus extending its service life, so as to achieve the effect of reducing the mold use cost.

[0096] The structure of the second injection mold is not limited here, as long as it can meet the needs of injection molding the potting mold sleeve 20 on the light-transmitting substrate 10 .

[0097] Combination Fig. 9 As shown, in some embodiments, after step S1043, that is, after the step of injecting the soft glue material into the second mold cavity and forming the soft glue material into the glue-filling mold sleeve 20 in the second mold cavity, the step further includes:

[0098] Step S1044, separating the second upper mold and the second lower mold.

[0099] Step S1045 , demolding the glue-filling mold sleeve 20 and the light-transmitting substrate 10 .

[0100] Through the above steps, after the glue casting mold sleeve 20 and the light-transmitting substrate 10 are demolded, the display screen edge glue sealing mold 100 formed by the combination of the glue casting mold sleeve 20 and the light-transmitting substrate 10 can be obtained. The display screen edge glue sealing mold 100 can be a fixture as a glue sealing device, which is used to place the display screen and guide the glue to coat the edge of the display screen. Of course, in some embodiments, the display screen edge glue sealing mold 100 can also be used alone, and the glue is injected from the injection port 22 in a manual glue injection manner, so that the glue coats the display screen located in the glue casting film sleeve. The specific operation of using the display screen edge glue sealing mold 100 to cast glue and seal the edge of the display screen is not limited here.

[0101] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0102] The above embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the inventive concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A display screen edge sealing mold, characterized in that: include: A light-transmitting substrate, wherein the light-transmitting substrate is made of an organic material; A glue pouring mold sleeve, wherein the glue pouring mold sleeve is connected to the light-transmitting substrate, the glue pouring mold sleeve has a glue pouring groove and a pouring port connected to the glue pouring groove, the elastic modulus of the glue pouring mold sleeve is smaller than the elastic modulus of the light-transmitting substrate, the glue pouring mold sleeve can be sleeved on the display screen, when the glue pouring mold sleeve is sleeved on the display screen, the display screen and the groove wall of the glue pouring groove form a glue pouring channel, the glue pouring channel is used to guide the glue injected from the pouring port to cover the edge of the display screen, the glue is used to solidify under the irradiation of light through the light-transmitting substrate to form a sealing glue body, and the sealing glue body can be demoulded from the glue pouring mold sleeve along with the display screen.

2. The display screen edge sealing mold according to claim 1, characterized in that: The light transmittance of the light-transmitting substrate within the spectral range of 10nm-3000nm wavelength is greater than or equal to 1%, and the total light transmittance of the light-transmitting substrate and the potting mold set within the spectral range of 10nm-3000nm wavelength is greater than or equal to 1%.

3. The display screen edge sealing mold according to claim 1, characterized in that: The light transmittance of the light-transmitting substrate within the spectral range of 300nm-600nm wavelength is greater than or equal to 80%, and the total light transmittance of the light-transmitting substrate and the glue-filling mold sleeve within the spectral range of 300nm-600nm wavelength is greater than or equal to 80%.

4. The display screen edge sealing mold according to claim 2 or 3, characterized in that: The material of the light-transmitting substrate is polycarbonate, polymethyl methacrylate or polyamide, and the material of the glue-potting mold sleeve is soft glue material.

5. The display screen edge sealing mold according to claim 1, characterized in that: The glue pouring mold sleeve is formed with a through groove, the glue pouring groove is arranged around the circumference of the through groove, and the depth of the glue pouring groove is smaller than the through groove, the through groove penetrates the glue pouring mold sleeve along the thickness direction of the glue pouring mold sleeve, the glue pouring mold sleeve is injection molded on the light-transmitting substrate, and the light-transmitting substrate covers the through groove on the side of the groove bottom wall facing away from the glue pouring groove.

6. The display screen edge sealing mold according to claim 1, characterized in that: The light-transmitting substrate is provided with a through hole, and the glue pouring mold sleeve includes a pouring joint, a portion of which is formed in the through hole, and the pouring joint forms a limiting protrusion, which is held against a side of the bottom wall of the light-transmitting substrate facing away from the glue pouring groove, and the pouring port is formed in the pouring joint and passes through the limiting protrusion.

7. A method for manufacturing a display screen edge sealing mold, characterized in that: include: injection molding an organic material into a light-transmitting substrate; Injection molding a glue-filling mold sleeve on the light-transmitting substrate; Among them, the glue pouring mold sleeve has a glue pouring groove and a pouring port connected to the glue pouring groove, the elastic modulus of the glue pouring mold sleeve is smaller than the elastic modulus of the light-transmitting substrate, the glue pouring mold sleeve can be sleeved on the display screen, and when the glue pouring mold sleeve is sleeved on the display screen, the display screen and the groove wall of the glue pouring groove are enclosed to form a glue pouring channel, and the glue pouring channel is used to guide the glue injected from the pouring port to cover the edge of the display screen, and the glue is used to solidify under the irradiation of light passing through the light-transmitting substrate to form a sealing body, and the sealing body can be demolded from the glue pouring mold sleeve along with the display screen.

8. The method for manufacturing a display screen edge sealing mold according to claim 7, characterized in that: The step of injection molding the organic material into a light-transmitting substrate comprises: Providing a first injection mold, the first injection mold comprising a first upper mold and a first lower mold, the first upper mold cooperates with the first lower mold to form a first mold cavity, at least one of the first upper mold and the first lower mold is provided with a first column, and the first column is located in the first mold cavity; Injecting an organic material into the first mold cavity so that the organic material is formed into a light-transmitting substrate in the first mold cavity; A through hole is formed in the light-transmitting substrate at a position corresponding to the first column, and a portion of the injection port is formed in the through hole.

9. The method for manufacturing a display screen edge sealing mold according to claim 8, characterized in that: After the step of injecting the organic material into the first mold cavity so that the organic material is formed into a light-transmitting substrate in the first mold cavity, the step further includes: separating the first upper mold and the first lower mold; Demolding the light-transmitting substrate; The light-transmitting substrate after demoulding is coated.

10. The method for manufacturing a display screen edge sealing mold according to claim 8 or 9, characterized in that: The step of injection molding a glue-filling mold sleeve on the light-transmitting substrate comprises: A second injection mold is provided, wherein the second injection mold comprises a second upper mold and a second lower mold, wherein the second upper mold cooperates with the second lower mold to form a second mold cavity, wherein at least one of the second upper mold and the second lower mold is provided with a second column, wherein the second column is located in the second mold cavity, wherein a first boss and a second boss surrounding an outer periphery of the first boss are provided on one side of the second upper mold forming the second mold cavity, wherein a groove is formed in the second lower mold, and the second column contacts a bottom wall of the groove; Put the light-transmitting substrate into the second injection mold, and close the second injection mold so that the first boss contacts the light-transmitting substrate, a first injection gap is formed between the second boss and the light-transmitting substrate, the second column is penetrated through the through hole of the light-transmitting substrate, and a second injection gap is formed between the peripheral side wall of the second column and the hole wall of the through hole, and the second injection gap is connected to the groove and the first injection gap; Injecting soft rubber material into the second mold cavity, and the soft rubber material is formed into the glue-filling mold sleeve in the second mold cavity; Among them, the glue pouring mold sleeve forms a through groove corresponding to the first boss, and the glue pouring mold sleeve forms a glue pouring groove corresponding to the second boss, the glue pouring groove is arranged around the circumference of the through groove, and the bottom wall of the glue pouring groove is formed in the first injection gap, the glue pouring mold sleeve forms a pouring joint corresponding to the second injection gap, the pouring joint forms the pouring port at the position of the second column, and the pouring joint forms a limiting protrusion at the groove that is against the side of the light-transmitting substrate facing the second lower mold, and the pouring port is connected to the glue pouring groove and passes through the limiting protrusion.

11. The method for manufacturing a display screen edge sealing mold according to claim 10, characterized in that: After the step of injecting the soft glue material into the second mold cavity and forming the soft glue material into the glue-filling mold sleeve in the second mold cavity, the step further includes: separating the second upper mold and the second lower mold; The glue-filling mold sleeve and the light-transmitting substrate are demoulded.

12. The method for manufacturing a display screen edge sealing mold according to claim 7, characterized in that: The material of the light-transmitting substrate is polycarbonate, polymethyl methacrylate or polyamide, and the material of the glue-potting mold sleeve is soft glue material.

Images