Manufacturing process and device of light and thin liquid crystal display module

Abstract

The invention relates to the technical field of liquid crystal display module processing, and particularly discloses a manufacturing process and device of a light and thin liquid crystal display module. Dodging lattice points are silk-screened at the bottom of a lower glass substrate, and main materials of the dodging lattice points are acrylic resin, polyester acid ester and polyurethane resin; the additives are nanoscale silicon dioxide, nanoscale aluminum oxide and pigments with different colors, and the size, density, distance and shape of screen-printed dodging lattice points are adjusted according to the dodging uniformity requirement. According to the manufacturing process of the light and thin liquid crystal display module, light is input from the bottom, passes through the lower polaroid and passes through the light uniformizing lattice points at the bottom of the lower glass substrate, the incident light is uniformized and enters the LCD on the upper portion, a diffusion film, a light guide plate and a reflecting film are removed, the thickness of the liquid crystal display module is greatly reduced, meanwhile, the product cost is reduced, and the production efficiency is improved. As a diffusion film, a light guide plate and a reflecting film are removed, the loss of light is reduced, the utilization rate of a light source is improved, and the power consumption of the whole machine can be further reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of liquid crystal display module processing, and specifically relates to a manufacturing process and device for a thin and light liquid crystal display module. Background Art

[0002] Existing conventional liquid crystal display modules generally consist of an upper LCD and a lower backlight, including an upper polarizer 1, an upper glass substrate 2, an upper ITO electrode 3, an upper PI film layer 4, a frame adhesive 5, liquid crystal 6, a Spacer 7, an upper PI film layer 8, an upper ITO electrode 9, a lower glass substrate 10, a lower polarizer 11, a diffusion film 12, a light guide plate 13, and a reflective film 14. As Figure 1 shown, 1 to 11 constitute the LCD, and 12 to 14 constitute the backlight. The working principle of the conventional liquid crystal display module is that light enters from the side of the backlight light guide plate 13, is reflected by the reflective film 14, is homogenized by the light guide plate 13 with dots, and then exits through the diffusion film 12 and enters the upper LCD, providing a uniform light source for the LCD. Existing conventional liquid crystal display modules are thick due to the presence of the diffusion film 12, the light guide plate 13, and the reflective film 14. Summary of the Invention

[0003] 1. Technical Problems to be Solved The present invention provides a manufacturing process and device for a thin and light liquid crystal display module, which solves the problems mentioned in the above background art.

[0004] 2. Technical Solutions To achieve the above objectives, the present invention is realized through the following technical solutions: A manufacturing process for a thin and light liquid crystal display module includes the following steps: S1: Clean the upper glass substrate and the lower glass substrate of the liquid crystal panel; S2: Etch the upper ITO electrode, the upper ITO electrode pattern, and the ITO trace on the upper glass substrate and the lower glass substrate respectively; S3: Screen-print homogenizing dots at the bottom of the lower glass substrate. The main materials of the homogenizing dots are acrylic resin, polyester acid ester, and polyurethane resin, and the additives are nano-scale silica, nano-scale alumina, and pigments of different colors. Among them, the screen-printed homogenizing dots are adjusted in terms of the size, density, distance, and shape of the dots according to the requirements of the homogenizing uniformity effect. The shapes include circles, ellipses, squares, and rhombuses; S4: Coat the upper PI film layer and the lower PI film layer for liquid crystal orientation on the ITO surfaces of the upper glass substrate and the lower glass substrate respectively; S5: Heat the upper glass substrate and the lower glass substrate coated with the upper PI film layer and the lower PI film layer to 110 °C and pre-cure for 15 minutes; S6: heating the upper glass substrate and the lower glass substrate to 300° C. and curing for 90 minutes; S7: using cotton or fiber wool cloth to perform high-speed friction treatment on the upper PI film layer and the lower PI film layer, so that grooves for directional arrangement of liquid crystals are generated on the surfaces of the upper PI film layer and the lower PI film layer; S8: After silk-screening the border glue and spraying SPCAER for lamination, the temperature is 180℃ and the border glue is cured for 150 minutes; S9: Cut according to the designed size; S10: pouring liquid crystal and sealing the crystal pouring port; S11: attaching the upper polarizer and the lower polarizer, and thus a thin and light liquid crystal display module is completed.

[0005] A manufacturing device for a thin liquid crystal display module comprises a support bar, wherein the interior of the support bar is arranged to be hollow, and liquid inlet pipes are symmetrically fixedly penetrated and communicated on the outer surfaces of both sides of the support bar, wherein a one-way valve is arranged at the port of the liquid inlet pipe, and an alignment groove is penetrated and opened on the top outer surface of the support bar, and further comprises: A perfusion component, wherein the perfusion component is fixedly mounted inside the bearing bar and deformed by being squeezed; An auxiliary component, wherein the auxiliary component is fixedly mounted on the outside of the bearing bar; The perfusion component includes a sponge bar, which is fixedly installed inside the supporting bar. The sponge bar is arranged in a rectangular shape. A mounting groove is provided inside the sponge bar. An elastic tube is fixedly connected to the inner surface of the mounting groove. A liquid outlet hole is penetrated through the outer surface of the elastic tube. The central axis of the elastic tube is consistent with the central axis of the liquid inlet tube.

[0006] Preferably, a positioning tube is provided inside the elastic tube, and both ends of the positioning tube are fixedly connected to the inner surfaces of both sides of the supporting bar, and both ends of the positioning tube are connected to the liquid inlet pipe, wherein the positioning tube and the elastic tube are arranged on the same central axis.

[0007] Preferably, support bars are symmetrically fixedly connected to the outer surfaces of both sides of the positioning tube, and one end of the support bar away from the positioning tube is fixedly connected to the inner surfaces of both sides of the elastic tube. A connecting groove is opened through the outer surface of the positioning tube, and three connecting grooves are opened at fixed intervals around the central axis of the positioning tube.

[0008] Preferably, a reset strip is elastically hinged on the outer surface of the positioning tube, and one end of the reset strip away from the positioning tube is elastically hinged on the inner surface of the elastic tube. Four reset strips are arranged around the outer surface of the positioning tube, and the reset strips are arranged in groups of two, and the two groups of reset strips are symmetrically arranged on both sides of the support strip.

[0009] Preferably, mounting strips are symmetrically arranged on both sides of the sponge strip. The mounting strips are symmetrically and fixedly connected to the inner surfaces of both sides of the bearing strip. Elastic telescopic plates are symmetrically and fixedly connected to the surfaces of both sides of one end of the mounting strip close to the sponge strip.

[0010] Preferably, the output end of the upper elastic telescopic plate is fixedly connected to a top plate, and the output end of the lower elastic telescopic plate is fixedly connected to a bottom plate. The top plate is fixedly connected to the inner surface of the top of the bearing strip, and the bottom plate is fixedly connected to the inner surface of the bottom of the bearing strip. The upper and lower surfaces of the sponge strip are respectively fixedly connected to the inner surfaces of the top plate and the bottom plate.

[0011] Preferably, a perfusion groove is formed on the upper surface of the top plate. The perfusion groove is aligned with the alignment groove. The perfusion groove is smaller than the alignment groove. A rubber ring is fixedly connected to the upper surface of the top plate. The rubber ring is arranged in the alignment groove. Traction rods are symmetrically and rotatably connected to the inner surface of the top of the bearing strip. Pulling ropes are symmetrically and fixedly connected to the upper surfaces of both sides of the top plate. One end of the pulling rope away from the top plate bypasses the traction rod and is fixedly connected to the upper surfaces of both sides of the bottom plate.

[0012] Preferably, the auxiliary assembly includes mounting plates. The mounting plates are symmetrically and fixedly connected to the upper surfaces of both sides of the bearing strip. Cleaning plates are elastically and slidably inserted through the mounting plates. The two cleaning plates are initially combined into a nearly triangular shape. A scraping strip is slidably attached to the inner surface of the cleaning plate. The scraping strips are symmetrically and fixedly connected to the upper surface of the bearing strip, and the scraping strips are arranged outside the alignment groove. Sealing plates are slidably attached to the surfaces of both sides of the cleaning plate. The sealing plates are symmetrically and fixedly connected to the upper surfaces of both sides of the bearing strip. Place the whole device in a vacuum environment, and then fill the bearing strip with liquid crystal through the liquid inlet pipe. Then, align the sealing part of the liquid crystal empty cell with the alignment groove on the bearing strip and move the liquid crystal empty cell downward until the liquid crystal empty cell moves into the alignment groove and continue to press down. Under the extrusion of the liquid crystal empty cell, the liquid crystal inside the elastic tube enters the sponge strip through the liquid outlet holes and continuously enters the liquid crystal empty cell through the sponge strip. When the liquid crystal empty cell is filled with sufficient liquid crystal, move the liquid crystal empty cell upward to complete the injection of the liquid crystal.

[0013] 3. Beneficial effects The present invention provides a manufacturing process and device for a thin and light liquid crystal display module. It has the following beneficial effects: (1). In the manufacturing process of this thin and light liquid crystal display module, light is input from the bottom. After passing through the lower polarizing plate, the incident light is homogenized by printing the light homogenizing dots on the bottom of the lower glass substrate and then enters the upper LCD. This has very obvious advantages. Removing the diffusion film, light guide plate, and reflection film greatly reduces the thickness of the liquid crystal display module. At the same time, it also reduces the cost of the product. Since the diffusion film, light guide plate, and reflection film are removed, the light loss is also reduced, which improves the utilization rate of the light source and can further reduce the power consumption of the whole machine.

[0014] (2) The manufacturing device of this thin and light liquid crystal display module avoids the problems in the prior art where the liquid crystal empty cell is usually aligned with the sponge strip and then inert gas is filled into the vacuum device, and the liquid crystal enters the liquid crystal empty cell by using the pressure change. This not only causes a large waste of inert gas but also pollutes the liquid crystal and leads to quality problems. When the liquid crystal empty cell squeezes the sponge strip and causes the elastic tube to deform, it will also squeeze the reset strip, causing the two ends of the reset strip to deflect. After the liquid crystal empty cell is removed, the reset strip resets under the torsion force, which in turn causes the elastic tube to reset, effectively ensuring the amount of liquid crystal carried in the internal cavity of the elastic tube, ensuring sufficient supply of liquid crystal during repeated continuous production, greatly improving the stability of liquid crystal perfusion, and at the same time reducing the hidden danger of quality problems caused by insufficient injection of liquid crystal in the liquid crystal empty cell.

[0015] (3) In the manufacturing device of this thin and light liquid crystal display module, after the liquid crystal empty cell enters the alignment groove, it will directly contact the rubber ring. Through the sealing of the rubber ring, the internal cavity of the liquid crystal empty cell is connected to the cavity in the carrier strip as a whole, thus avoiding the problem of liquid crystal leakage through the gap between the alignment groove and the liquid crystal empty cell during liquid crystal perfusion. As the liquid crystal empty cell continues to move downward, it will apply pressure to the top plate through the rubber ring, causing the top plate to move downward under the pressure, and then generating a downward pulling force on the pull rope, making the bottom plate at the other end of the pull rope move upward under the pulling force. Thus, when injecting liquid crystal, the sponge strip is squeezed by the mutual approach movement of the top plate and the bottom plate, and then the elastic tube is squeezed by the bidirectional pressure of the top plate and the bottom plate, diverting the extrusion force and avoiding the problem that the upper side of the elastic tube is in a long-term extrusion deformation state due to single-sided extrusion by the liquid crystal empty cell, reducing its service life. At the same time, the bidirectional extrusion method can also greatly improve the liquid crystal perfusion efficiency and increase production capacity.

[0016] (4) The manufacturing device of this thin and light liquid crystal display module, after the liquid crystal filling is completed, the top plate and the bottom plate are reset under the elastic force of the elastic telescopic plate, which facilitates the next liquid crystal filling, greatly improving the automation degree of this device. And when the liquid crystal empty cell moves towards the alignment slot, it will first contact the top of the cleaning plate. Under the action of the extrusion force, the cleaning plates on both sides slide along the mounting plate towards the lower side, opening the alignment slot. After the liquid crystal filling is completed, as the liquid crystal empty cell moves upward, the cleaning plate will slide on the side surface of the liquid crystal empty cell until the top of the cleaning plate contacts the bottom surface of the liquid crystal empty cell. And as the liquid crystal empty cell continues to move upward and the cleaning plate is reset, a scraping force is generated on the bottom surface of the liquid crystal empty cell through the cleaning plate, so as to achieve the effect of automatically cleaning the bottom surface of the liquid crystal empty cell by the cleaning plate after the liquid crystal filling is completed, realizing the integrated operation of liquid crystal filling and cleaning, greatly improving the production efficiency. At the same time, the liquid crystal cleaned out flows back to the upper surface of the sponge strip through the guidance of the scraping strip and is re-absorbed, facilitating the next filling, also greatly improving the utilization efficiency of the liquid crystal, reducing the waste of the liquid crystal. At the same time, the cleaning plate can also close the alignment slot, protecting the upper surface of the sponge strip when not in production, preventing impurities from falling onto the upper surface of the sponge strip and entering the liquid crystal empty cell during filling, resulting in quality problems. Description of the Drawings

[0017] Figure 1 is a structural schematic diagram of an existing liquid crystal display module; Figure 2 is a structural schematic diagram of the liquid crystal display module of the present invention; Figure 3 is a structural schematic diagram of the light homogenizing dot of the present invention; Figure 4 is a structural schematic diagram of the manufacturing device of the liquid crystal display module of the present invention; Figure 5 is a structural schematic diagram of the auxiliary component of the present invention; Figure 6 is a structural schematic diagram of the internal structure of the bearing strip of the present invention; Figure 7 is a disassembled structural schematic diagram of the filling component of the present invention; Figure 8 is a structural schematic diagram of the top plate and the bottom plate of the present invention; Figure 9 is a structural schematic diagram of the elastic tube of the present invention; Figure 10 is a structural schematic diagram of the reset strip of the present invention.

[0018] In the figure: 1. Upper polarizer; 2. Upper glass substrate; 3. Upper ITO electrode; 4. Upper PI film layer; 5. Border glue; 6. Liquid crystal; 7. Spacer; 8. Lower PI film layer; 9. Lower ITO electrode; 10. Lower glass substrate; 11. Lower polarizer; 12. Diffusion film; 13. Light guide plate; 14. Reflective film; 141. Light homogenizing dots; 15. Carrier strip; 16. Liquid inlet tube; 17. Alignment groove; 18. Filling assembly, 181. Sponge strip; 182. Installation groove; 183. Elastic tube; 184. Liquid outlet hole; 185. Positioning tube; 186. Support strip; 187. Connecting groove; 188. Reset strip; 189. Installation strip; 1810. Elastic telescopic plate; 1811. Top plate; 1812. Bottom plate; 1813. Filling groove; 1814. Rubber ring; 1815. Traction rod; 1816. Pulling rope; 19. Auxiliary assembly; 191. Installation plate; 192. Cleaning plate; 193. Scraping strip; 194. Sealing plate. Specific implementation mode

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] The first embodiment: As Figures 2 to 3 shown, the present invention provides a technical solution: A manufacturing process of a thin and light liquid crystal display module, including the following steps: S1: Clean the upper glass substrate 2 and the lower glass substrate 10 of the liquid crystal 6 panel; S2: Etch the upper ITO electrode 3 and the upper ITO electrode 3 pattern and ITO wiring on the upper glass substrate 2 and the lower glass substrate 10 respectively; S3: Screen-print the light homogenizing dots 141 at the bottom of the lower glass substrate 10. The main material of the light homogenizing dots 141 is acrylic resin, and 5% by weight of nanoscale silica is added. The screen-printed dots are as Figure 3 shown, wherein the screen-printed light homogenizing dots 141 are adjusted in terms of dot size, dot density, dot distance, and dot shape according to the requirements of light homogenization uniformity effect. The shapes include circular, oval, square, and diamond; S4: Coat the upper PI film layer 4 and the lower PI film layer 8 for liquid crystal 6 orientation on the ITO surfaces of the upper glass substrate 2 and the lower glass substrate 10 respectively; S5: Heat the upper glass substrate 2 and the lower glass substrate 10 coated with the upper PI film layer 4 and the lower PI film layer 8 to 110 °C and pre-cure for 15 minutes; S6: Heat the upper glass substrate 2 and the lower glass substrate 10 to 300 °C and cure for 90 minutes; S7: Use a cotton or fiber cloth to perform high-speed rubbing treatment on the upper PI film layer 4 and the lower PI film layer 8, so as to generate grooves for the alignment of liquid crystal 6 on the surfaces of the upper PI film layer 4 and the lower PI film layer 8; S8: Screen-print the frame adhesive 5, spray and bond with SPCAER, and then cure the frame adhesive 5 at a temperature of 180 °C for 150 minutes; S9: Cut according to the designed size; S10: Infuse liquid crystal 6 and seal the liquid crystal filling port; S11: Attach a full-transmission polarizer to the upper polarizer 11 and attach a full-transmission polarizer to the lower polarizer 1111. Thus, a production of a thin and light liquid crystal 6 display module is completed.

[0021] The second embodiment: As Figures 2 to 3 shown, S1: Clean the upper glass substrate 2 and the lower glass substrate 10 of the liquid crystal 6 panel; S2: Etch the upper ITO electrode 3, the pattern of the upper ITO electrode 3 and the ITO traces on the upper glass substrate 2 and the lower glass substrate 10 respectively; S3: Screen-print the light homogenizing dots 141 at the bottom of the lower glass substrate 10. The main material of the light homogenizing dots 141 is a mixture of acrylic resin and polyester acid ester in a ratio of 1:1, and 10% by weight of nano-scale silica is added. The screen-printed dots are as Figure 3 shown, in which the screen-printed light homogenizing dots 141 are adjusted in terms of dot size, dot density, dot distance, and dot shape according to the requirements of light homogenization uniformity effect. The shapes include circles, ellipses, squares, and rhombuses; S4: Coat the upper PI film layer 4 for liquid crystal 6 alignment and the lower PI film layer 8 on the ITO surfaces of the upper glass substrate 2 and the lower glass substrate 10 respectively; S5: Heat the upper glass substrate 2 and the lower glass substrate 10 coated with the upper PI film layer 4 and the lower PI film layer 8 to 110 °C and pre-cure for 15 minutes; S6: Heat the upper glass substrate 2 and the lower glass substrate 10 to 300 °C and cure for 90 minutes; S7: Use a cotton or fiber cloth to perform high-speed rubbing treatment on the upper PI film layer 4 and the lower PI film layer 8, so as to generate grooves for the alignment of liquid crystal 6 on the surfaces of the upper PI film layer 4 and the lower PI film layer 8; S8: Screen-print the frame adhesive 5, spray and bond with SPCAER, and then cure the frame adhesive 5 at a temperature of 180 °C for 150 minutes; S9: Cut according to the designed size; S10: Infuse liquid crystal 6 and seal the liquid crystal filling port; S11: Attach the upper polarizer 11 to the fully transmissive polarizer, and attach the lower polarizer 1111 to the semi-transmissive polarizer. Thus, a thin and light liquid crystal 6 display module is completed.

[0022] The third embodiment: As Figures 2 to 3 shown, S1: Clean the upper glass substrate 2 and the lower glass substrate 10 of the liquid crystal 6 panel; S2: Etch the upper ITO electrode 3, the upper ITO electrode 3 pattern and the ITO traces on the upper glass substrate 2 and the lower glass substrate 10 respectively; S3: Screen-print the light homogenizing dots 141 at the bottom of the lower glass substrate 10. The main material of the light homogenizing dots 141 is polyurethane resin, adding 8% by weight of nano-aluminum oxide and 0.5% of white pigment. The screen-printed dots are as Figure 3 shown, where the screen-printed light homogenizing dots 141 are adjusted in terms of dot size, dot density, dot distance, and dot shape according to the requirements of light homogenization uniformity effect. The shapes include circles, ellipses, squares, and rhombuses; S4: Coat the upper PI film layer 4 and the lower PI film layer 8 for liquid crystal 6 alignment on the ITO surfaces of the upper glass substrate 2 and the lower glass substrate 10 respectively; S5: Heat the upper glass substrate 2 and the lower glass substrate 10 coated with the upper PI film layer 4 and the lower PI film layer 8 to 110 °C and pre-cure for 15 minutes; S6: Heat the upper glass substrate 2 and the lower glass substrate 10 to 300 °C and cure for 90 minutes; S7: Perform high-speed friction treatment on the upper PI film layer 4 and the lower PI film layer 8 with a cotton or fiber cloth to generate grooves for liquid crystal 6 alignment on the surfaces of the upper PI film layer 4 and the lower PI film layer 8; S8: Screen-print the frame adhesive 5, spray and bond SPCAER, and then cure the frame adhesive 5 at 180 °C for 150 minutes; S9: Cut according to the designed size; S10: Infuse the liquid crystal 6 and seal the liquid crystal filling port; S11: Attach the upper polarizer 11 to the fully transmissive polarizer, and attach the lower polarizer 1111 to the semi-transmissive polarizer. Thus, a thin and light liquid crystal 6 display module is completed.

[0023] The working principle of this liquid crystal display module is as follows: Light is input from the bottom. After passing through the lower polarizer 11, it enters the upper LCD after being evenly illuminated through the light homogenizing dots printed on the bottom of the lower glass substrate 10. This has very obvious advantages. By removing the diffusion film 12, the light guide plate 13, and the reflection film 14, the thickness of the liquid crystal display module is greatly reduced, and at the same time, the cost of the product is also reduced. Since the diffusion film 12, the light guide plate 13, and the reflection film 14 are removed, the light loss is also reduced, which improves the utilization rate of the light source and can further reduce the power consumption of the whole machine.

[0024] Fourth Embodiment: As Figures 4 to 10 shown, a manufacturing device for a thin and light liquid crystal display module includes a carrier strip 15. The inside of the carrier strip 15 is hollow. On both outer surfaces of the carrier strip 15, liquid inlet pipes 16 are symmetrically and fixedly penetrated and communicated. A one-way valve is provided at the port of the liquid inlet pipe 16. A registration groove 17 is penetrated and opened on the top outer surface of the carrier strip 15. It further includes: A perfusion assembly 18, which is fixedly installed inside the carrier strip 15 and deforms under extrusion; An auxiliary assembly 19, which is fixedly installed outside the carrier strip 15; Among them, the perfusion assembly 18 includes a sponge strip 181, which is fixedly installed inside the carrier strip 15. The sponge strip 181 is in a cuboid shape. An installation groove 182 is opened inside the sponge strip 181. An elastic tube 183 is fixedly connected to the inner surface of the installation groove 182. Liquid outlet holes 184 are penetrated and opened on the outer surface of the elastic tube 183. The central axis of the elastic tube 183 is consistent with the central axis of the liquid inlet pipe 16.

[0025] A positioning tube 185 is arranged inside the elastic tube 183. Both ends of the positioning tube 185 are fixedly connected to the inner surfaces on both sides of the carrier strip 15. Both ends of the positioning tube 185 are communicated with the liquid inlet pipe 16. Among them, the positioning tube 185 and the elastic tube 183 are arranged on the same central axis.

[0026] Support strips 186 are symmetrically and fixedly connected to both outer surfaces of the positioning tube 185. One end of the support strip 186 away from the positioning tube 185 is fixedly connected to the inner surfaces on both sides of the elastic tube 183. Communication grooves 187 are penetrated and opened on the outer surface of the positioning tube 185. Three communication grooves 187 are fixedly spaced around the central axis of the positioning tube 185.

[0027] Reset strips 188 are elastically hinged to the outer surface of the positioning tube 185. One end of the reset strip 188 away from the positioning tube 185 is elastically hinged to the inner surface of the elastic tube 183. Four reset strips 188 are arranged around the outer surface of the positioning tube 185, and two reset strips 188 are set as a group. The two groups of reset strips 188 are symmetrically arranged on both sides of the support strip 186.

[0028] On both sides of the sponge strip 181, mounting strips 189 are symmetrically arranged. The mounting strips 189 are symmetrically and fixedly connected to the inner surfaces of both sides of the bearing strip 15. On both side surfaces of one end of the mounting strip 189 close to the sponge strip 181, elastic telescopic plates 1810 are symmetrically and fixedly connected.

[0029] The output ends of the top elastic telescopic plates 1810 are fixedly connected to a top plate 1811, and the output ends of the bottom elastic telescopic plates 1810 are fixedly connected to a bottom plate 1812. The top plate 1811 is fixedly connected to the inner surface of the top of the bearing strip 15, and the bottom plate 1812 is fixedly connected to the inner surface of the bottom of the bearing strip 15. The upper and lower side surfaces of the sponge strip 181 are respectively fixedly connected to the inner side surfaces of the top plate 1811 and the bottom plate 1812.

[0030] Pouring grooves 1813 are formed on the upper surface of the top plate 1811. The pouring grooves 1813 are aligned with the alignment grooves 17. The pouring grooves 1813 are smaller than the alignment grooves 17. A rubber ring 1814 is fixedly connected to the upper surface of the top plate 1811. The rubber ring 1814 is arranged in the alignment groove 17. Traction rods 1815 are symmetrically rotatably connected to the inner surface of the top of the bearing strip 15. Pulling ropes 1816 are symmetrically fixedly connected to both side surfaces of the upper surface of the top plate 1811. One end of the pulling rope 1816 away from the top plate 1811 bypasses the traction rod 1815 and is fixedly connected to both side surfaces of the upper surface of the bottom plate 1812.

[0031] The fifth embodiment: As Figures 4 to 10 shown, the auxiliary component 19 includes a mounting plate 191. The mounting plates 191 are symmetrically and fixedly connected to both side surfaces of the upper surface of the bearing strip 15. A cleaning plate 192 is elastically and slidably inserted through the mounting plate 191. Initially, the two cleaning plates 192 are combined into a nearly triangular shape. A scraping strip 193 is slidably attached to the inner side surface of the cleaning plate 192. The scraping strips 193 are symmetrically and fixedly connected to the upper surface of the bearing strip 15, and the scraping strips 193 are arranged outside the alignment grooves 17. Sealing plates 194 are slidably attached to both side surfaces of the cleaning plate 192. The sealing plates 194 are symmetrically and fixedly connected to both side surfaces of the upper surface of the bearing strip 15.

[0032] During operation, the entire device is placed in a vacuum environment, and liquid crystal is filled into the carrier strip 15 through the liquid inlet pipe 16. Then, the sealing part of the liquid crystal cell is aligned with the alignment groove 17 on the carrier strip 15, and the liquid crystal cell is moved downward until it enters the alignment groove 17, and continuous downward pressure is applied. Under the extrusion of the liquid crystal cell, the liquid crystal inside the elastic tube 183 enters the sponge strip 181 through the liquid outlet hole 184, and continuously enters the liquid crystal cell through the sponge strip 181. When the liquid crystal cell is filled with sufficient liquid crystal, the liquid crystal cell is moved upward to complete the injection of the liquid crystal. In the prior art, usually, after aligning the liquid crystal cell with the sponge strip 181, inert gas is filled into the vacuum device, and the liquid crystal enters the liquid crystal cell due to the pressure change, which not only causes a large amount of waste of inert gas, but also pollutes the liquid crystal and causes quality problems. When the liquid crystal cell squeezes the sponge strip 181 and causes the elastic tube 183 to deform, the reset strip 188 will also be squeezed, causing the two ends of the reset strip 188 to deflect. After the liquid crystal cell is removed, the reset strip 188 is reset under the torsion force, thereby promoting the reset of the elastic tube 183, effectively ensuring the amount of liquid crystal carried in the internal cavity of the elastic tube 183, ensuring sufficient supply of liquid crystal during repeated continuous production, greatly improving the stability of liquid crystal perfusion, and at the same time reducing the hidden danger of quality problems caused by insufficient liquid crystal injection in the liquid crystal cell. After the liquid crystal cell enters the alignment groove 17, it will directly contact the rubber ring 1814. Through the sealing of the rubber ring 1814, the internal cavity of the liquid crystal cell is connected to the cavity inside the carrier strip 15 as a whole, thereby avoiding the problem of liquid crystal leakage through the gap between the alignment groove 17 and the liquid crystal cell during liquid crystal perfusion. As the liquid crystal cell continues to move downward, pressure will be applied to the top plate 1811 through the rubber ring 1814, causing the top plate 1811 to move downward under the pressure, and then generating a downward pulling force on the pull rope 1816, causing the bottom plate 1812 at the other end of the pull rope 1816 to move upward under the pulling force. Thus, during liquid crystal perfusion, the sponge strip 181 is squeezed by the mutual approach movement of the top plate 1811 and the bottom plate 1812, and then the elastic tube 183 is squeezed by the bidirectional pressure of the top plate 1811 and the bottom plate 1812, shunting the extrusion force, avoiding the problem that the upper side of the elastic tube 183 is in a squeezed and deformed state for a long time due to unidirectional extrusion by the liquid crystal cell, reducing its service life, and at the same time, the bidirectional extrusion method can also greatly improve the liquid crystal perfusion efficiency and increase production capacity. After liquid crystal perfusion is completed, the top plate 1811 and the bottom plate 1812 are reset under the elastic force of the elastic telescopic plate 1810, which is convenient for the next liquid crystal perfusion, greatly improving the automation degree of the device. And when the liquid crystal cell moves towards the alignment groove 17, it will first contact the top of the cleaning plate 192. Under the action of the extrusion force, the cleaning plates 192 on both sides slide downward along the mounting plate 191 to open the alignment groove 17.After the liquid crystal filling is completed, as the empty liquid crystal cell moves upward, the cleaning plate 192 will slide on the side surface of the empty liquid crystal cell until the top of the cleaning plate 192 contacts the bottom surface of the empty liquid crystal cell. With the continuous upward movement of the empty liquid crystal cell and the reset of the cleaning plate 192, a scraping force is generated on the bottom surface of the empty liquid crystal cell through the cleaning plate 192, thereby achieving the effect of automatically cleaning the bottom surface of the empty liquid crystal cell by the cleaning plate 192 after the liquid crystal filling is completed, realizing the integrated operation of liquid crystal filling and cleaning, greatly improving the production efficiency. At the same time, the scraped liquid crystal flows back to the upper surface of the sponge strip 181 through the guidance of the scraping strip 193 and is re-absorbed, facilitating the next filling, also greatly improving the utilization efficiency of the liquid crystal, reducing the waste of the liquid crystal. At the same time, the cleaning plate 192 can also close the alignment groove 17, protecting the upper surface of the sponge strip 181 when not in production, preventing impurities from falling onto the upper surface of the sponge strip 181 and entering the empty liquid crystal cell during filling, resulting in quality problems.

[0033] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

[0034] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A process for manufacturing a thin and light liquid crystal display module, characterized in that: The following steps are involved: S1: cleaning an upper glass substrate (2) and a lower glass substrate (10) of a liquid crystal panel; S2: etching an upper ITO electrode (3) and an upper ITO electrode (3) pattern and an ITO trace on the upper glass substrate (2) and the lower glass substrate (10) respectively; S3: Screen-printing light-distributing dots (141) at the bottom of the lower glass substrate (10), wherein the main material of the light-distributing dots (141) is one or more of acrylic resin, polyester ester and polyurethane resin, and the additive is one or more of nano-silicon dioxide, nano-aluminum oxide and pigments of different colors, wherein the screen-printed light-distributing dots (141) are adjusted in size, density, distance and shape according to the requirements of light-distributing uniformity, and the shapes include circle, ellipse, square and diamond; S4: coating an upper PI film layer (4) and a lower PI film layer (8) for liquid crystal orientation on the ITO surfaces of the upper glass substrate (2) and the lower glass substrate (10), respectively; S5: heating the upper glass substrate (2) and the lower glass substrate (10) coated with the upper PI film layer (4) and the lower PI film layer (8) to 110° C. and pre-curing for 15 minutes; S6: heating the upper glass substrate (2) and the lower glass substrate (10) to 300° C. and curing for 90 minutes; S7: using cotton or fiber wool cloth to perform high-speed friction treatment on the upper PI film layer (4) and the lower PI film layer (8), so that grooves for directional arrangement of liquid crystals are generated on the surfaces of the upper PI film layer (4) and the lower PI film layer (8); S8: After silk-screening the border glue (5), spraying SPCAER for bonding, the temperature is 180°C, and the border glue (5) is cured for 150 minutes; S9: Cut according to the designed size; S10: pouring liquid crystal (6) and sealing the pouring port; S11: attaching the upper polarizer (1) and the lower polarizer (11), and thus a thin and light liquid crystal display module is manufactured.

2. A device for manufacturing a thin liquid crystal display module, comprising a support bar (15), characterized in that: The interior of the support bar (15) is arranged to be hollow, and a liquid inlet pipe (16) is symmetrically fixedly penetrated and communicated with the outer surfaces of both sides of the support bar (15), wherein a one-way valve is arranged at the port of the liquid inlet pipe (16), and a positioning groove (17) is penetrated and opened on the top outer surface of the support bar (15), and further comprises: A perfusion component (18), wherein the perfusion component (18) is fixedly mounted inside the bearing bar (15), and the perfusion component (18) is deformed by being squeezed; An auxiliary component (19), wherein the auxiliary component (19) is fixedly mounted on the outside of the bearing bar (15); The perfusion assembly (18) comprises a sponge bar (181), the sponge bar (181) being fixedly mounted inside the bearing bar (15), the sponge bar (181) being arranged in a rectangular parallelepiped shape, a mounting groove (182) being provided inside the sponge bar (181), an elastic tube (183) being fitted and fixedly connected to the inner surface of the mounting groove (182), a liquid outlet hole (184) being provided through the outer surface of the elastic tube (183), and the central axis of the elastic tube (183) being consistent with the central axis of the liquid inlet tube (16).

3. The manufacturing device of a thin and light liquid crystal display module according to claim 2, characterized in that: A positioning tube (185) is arranged inside the elastic tube (183), and two ends of the positioning tube (185) are fixedly connected to the inner surfaces of both sides of the bearing bar (15), and the two ends of the positioning tube (185) are connected to the liquid inlet tube (16), wherein the positioning tube (185) and the elastic tube (183) are arranged on the same central axis.

4. The manufacturing device of a thin and light liquid crystal display module according to claim 3, characterized in that: Support bars (186) are symmetrically fixedly connected to the outer surfaces of both sides of the positioning tube (185); one end of the support bar (186) away from the positioning tube (185) is fixedly connected to the inner surfaces of both sides of the elastic tube (183); a connecting groove (187) is provided through the outer surface of the positioning tube (185); three connecting grooves (187) are provided at fixed intervals around the central axis of the positioning tube (185).

5. The manufacturing device of a thin and light liquid crystal display module according to claim 4, characterized in that: A reset bar (188) is elastically hinged on the outer surface of the positioning tube (185); one end of the reset bar (188) away from the positioning tube (185) is elastically hinged on the inner surface of the elastic tube (183); four reset bars (188) are arranged around the outer surface of the positioning tube (185); and the reset bars (188) are arranged in pairs in a group; the two groups of reset bars (188) are symmetrically arranged on both sides of the support bar (186).

6. The manufacturing device of a thin and light liquid crystal display module according to claim 5, characterized in that: The sponge strip (181) is symmetrically provided with mounting strips (189) on both sides, and the mounting strips (189) are symmetrically fixedly connected to the inner surfaces of both sides of the bearing strip (15), and elastic retractable plates (1810) are symmetrically fixedly connected to the surfaces of both sides of one end of the mounting strip (189) close to the sponge strip (181).

7. The manufacturing device of a thin and light liquid crystal display module according to claim 6, characterized in that: The output end of the elastic retractable plate (1810) at the top is fixedly connected to a top plate (1811), and the output end of the elastic retractable plate (1810) at the bottom is fixedly connected to a bottom plate (1812); the top plate (1811) is fixedly connected to the top inner surface of the supporting bar (15), and the bottom plate (1812) is fixedly connected to the bottom inner surface of the supporting bar (15); and the upper and lower side surfaces of the sponge bar (181) are respectively fixedly connected to the inner surfaces of the top plate (1811) and the bottom plate (1812).

8. The manufacturing device of a thin and light liquid crystal display module according to claim 7, characterized in that: The upper surface of the top plate (1811) is provided with a pouring groove (1813), the pouring groove (1813) and the alignment groove (17) are aligned with each other, the pouring groove (1813) is smaller than the alignment groove (17), the upper surface of the top plate (1811) is fixedly connected with a rubber ring (1814), the rubber ring (1814) is arranged in the alignment groove (17), the top inner surface of the bearing bar (15) is symmetrically rotatably connected with a traction rod (1815), and the upper surfaces of both sides of the top plate (1811) are symmetrically fixedly connected with pull ropes (1816), and the end of the pull rope (1816) away from the top plate (1811) bypasses the traction rod (1815) and is fixedly connected to the upper surfaces of both sides of the bottom plate (1812).

9. The manufacturing device of a thin and light liquid crystal display module according to claim 8, characterized in that: The auxiliary component (19) comprises a mounting plate (191), wherein the mounting plate (191) is symmetrically fixedly connected to the upper surfaces of both sides of the bearing bar (15), and a cleaning plate (192) is elastically slidably inserted through the mounting plate (191), and the two cleaning plates (192) are initially combined into a nearly triangular shape, and a scraper strip (193) is slidably fitted on the inner surface of the cleaning plate (192), and the scraper strip (193) is symmetrically fixedly connected to the upper surface of the bearing bar (15), and the scraper strip (193) is arranged on the outer side of the alignment groove (17), and sealing plates (194) are slidably fitted on the two side surfaces of the cleaning plate (192), and the sealing plates (194) are symmetrically fixedly connected to the upper surfaces of both sides of the bearing bar (15).

Images