Display device light guide plate, manufacturing device and manufacturing method

By designing an automated manufacturing device, the automatic assembly and glue coating of light guide plate parts is achieved using rotating discs and fixed seats, which solves the problems of increasing production line length and low space utilization in the prior art, and improves work efficiency and space utilization.

CN119140356APending Publication Date: 2024-12-17CHONGQING YEAHLIGHT OPTOELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202310701057.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-06-14
Publication Date
2024-12-17

AI Technical Summary

Technical Problem

During the manufacturing process of existing light guide plates, multiple parts are required for assembly line assembly, resulting in increased production line length, reduced space utilization and extended production time.

Method used

A manufacturing device including a support assembly, a loading assembly, a glue coating assembly and a conveying assembly is designed. The automatic assembly and glue coating of parts are achieved through the rotating disc and the fixing seat, reducing manual operation and improving working efficiency.

Benefits of technology

Automatic assembly is realized, saving production line length, improving work efficiency, reducing footprint and simplifying production process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of light guide plate manufacturing, in particular to a display device light guide plate, a manufacturing device and a manufacturing method.When the display device light guide plate is used, parts are placed on fixing bases of a rotating disc, then the rotating disc drives the parts to rotate to a first workpiece so that other parts can be assembled, and the multiple fixing bases are arranged for machining according to the number of the parts; a feeding assembly is adopted for part feeding, the parts are conveyed through a feeding line, then the parts are moved into a fixing base through a clamping device to be fixed, then gluing is conducted through a gluing assembly when gluing is needed, specifically, glue is filled in a glue box, then a gluing gun is moved into the fixing base through a lifter, and the gluing gun is moved into the fixing base through the lifting device. And the position of the gluing gun in the horizontal direction is adjusted through the first mover and the second mover, so that gluing is more convenient, and after one assembly is carried out, the assembled light guide plate of the display device is conveyed through the conveying assembly, so that the working efficiency is improved.
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Description

Technical Field

[0001] The present invention relates to the technical field of light guide plate manufacturing, and in particular to a light guide plate for a display device, a manufacturing device and a manufacturing method. Background Art

[0002] The prior art proposes a display device, which arranges prisms on one side of a light guide plate corresponding to each of a plurality of patterns to be displayed, and can dynamically switch the displayed pattern by switching a light source that is lit among a plurality of light sources arranged around the light guide plate. However, due to the space in which the display device is arranged or the structure of the device in which the display device is installed, sometimes the light source can only be arranged at a position along one side of the light guide plate. Therefore, a technology has been proposed, that is, by switching a light source that is lit among a plurality of light sources arranged along one side of the light guide plate, the displayed pattern can be dynamically switched.

[0003] In the assembly process of the existing light guide plate, multiple parts need to be used for assembly line, which makes the assembly line too long, reduces space utilization and increases production time. Summary of the invention

[0004] The object of the present invention is to provide a light guide plate for a display device, a manufacturing device and a manufacturing method, aiming to save the length of the production line and automatically assemble and install parts, thereby improving work efficiency and saving floor space.

[0005] To achieve the above-mentioned purpose, in a first aspect, the present invention provides a display device light guide plate manufacturing device, comprising a support component, a plurality of feeding components, a glue coating component and a conveying component, wherein the support component comprises a base, a rotating disk, a plurality of fixing seats, a rotating motor and a support frame, wherein the rotating motor is fixedly connected to the base and is located at the top of the base, the rotating disk has a plurality of grooves, the rotating disk is fixedly connected to the output end of the rotating motor and is located at the top of the rotating motor, the plurality of fixing seats are respectively arranged on one side of the plurality of grooves, the support frame is fixedly connected to the base and is located On one side of the base, the loading assembly includes a loading line and a clamp, the loading line is arranged on one side of the rotating disk, the clamp is arranged on the support frame, and is used to move the parts on the loading line, the gluing assembly includes a gluing gun, a first mover, a second mover, a glue box and a lifter, the first mover is arranged on the support frame, the second mover is arranged on the first mover, the lifter is arranged on the second mover, the gluing gun is fixed on the lifter, the glue box is connected to the gluing gun, and the conveying assembly is arranged on one side of the rotating disk.

[0006] Wherein, the support assembly further includes an anti-skid pad, which is fixedly connected to the base and located at the bottom of the base.

[0007] Wherein, the fixing seat comprises a seat body, two clamping blocks and two springs, the two clamping blocks are slidably connected to the seat body and are located on both sides of the seat body, and the two springs are respectively arranged between the clamping blocks and the seat body.

[0008] Wherein, the support frame includes a frame body, a positioning cylinder, a positioning plate and a positioning rod, the positioning cylinder is fixed on the base, the frame body is fixedly connected to the output end of the positioning cylinder, the positioning plate is fixedly connected to the frame body, the positioning rod is fixedly connected to the positioning plate, a positioning groove matching the positioning rod is provided on the rotating disk, and the loading assembly and the gluing assembly are arranged on the frame body.

[0009] Wherein, the clamp comprises a second cylinder, a translator and a clamping claw, the translator is arranged on the frame, the second cylinder is fixed on the translator, and the clamping claw is arranged on the output end of the second cylinder.

[0010] Wherein, the conveying assembly includes a lifter and a conveying line, the lifter is slidably connected to the base and is located at the bottom of the rotating disk, and the conveying line is rotatably connected to the lifter and is located on one side of the groove.

[0011] In a second aspect, the present invention further provides a light guide plate for a display device, comprising a back plate, a light guide plate located on the back plate, an optical film group located on the light guide plate, a liquid crystal panel located on the optical film group, and a rubber frame surrounding the light guide plate and pressing and fixing the liquid crystal panel on the optical film group, wherein a light emitting surface of the light guide plate is provided with a plurality of first protrusions, a lower surface of the optical film group is adjacent to the light guide plate and is provided with a plurality of second protrusions, the plurality of second protrusions are staggered with the plurality of first protrusions, and a light-transmitting adhesive is filled between each first protrusion and two adjacent second protrusions, so that the lower surface of the optical film group and the light emitting surface of the light guide plate are fixed by the light-transmitting adhesive.

[0012] In a third aspect, the present invention further provides a method for manufacturing a light guide plate of a display device, comprising: assembling a back plate and a plastic frame to obtain a first assembly;

[0013] Placing the first assembly onto the fixing seat;

[0014] Start the rotating disk and rotate it to the first position, so that the first assembly moves to the position where the light guide plate is located;

[0015] Start the clamp to place the light guide plate onto the back plate;

[0016] Start the rotating disk and rotate it to the second position, so that the glue coating assembly can coat the light guide plate with glue;

[0017] The rotating disk is started to rotate to the third position, and the optical film group is placed on the light guide plate to complete the assembly of the light guide plate of the display device;

[0018] The rotating disk is started to rotate to the fourth position, and the light guide plate of the display device is transported to the next process.

[0019] The present invention provides a display device light guide plate, manufacturing device and manufacturing method, wherein the base supports the rotating motor so that the rotating motor can rotate to drive the rotating disk to rotate to adjust the position of the workpiece. The specific method is to place the parts on the fixed seat of the rotating disk, and then the rotating disk drives the parts to rotate to the first workpiece for assembly of other parts. Multiple fixed seats can be set according to the number of parts for processing, and the parts can be loaded using a loading assembly. The parts are conveyed through a loading line, and then the parts are moved to the fixed seat for fixation through the clamp, and then the glue coating assembly is used to apply glue when it is needed. Specifically, glue is loaded in the glue box, and then the glue gun is moved to the fixed seat through the lifter, and the position of the glue gun in the horizontal direction is adjusted by the first mover and the second mover, so that gluing can be more convenient. After another assembly, the assembled display device light guide plate is conveyed by the conveying assembly, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention 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 invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a structural diagram of a display device light guide plate manufacturing device according to the first embodiment of the present invention.

[0022] Figure 2 It is a right side structural diagram of a light guide plate manufacturing device for a display device according to the first embodiment of the present invention.

[0023] Figure 3 It is a bottom structural diagram of a display device light guide plate manufacturing device according to the second embodiment of the present invention.

[0024] Figure 4 It is a top structural diagram of a display device light guide plate manufacturing device according to the second embodiment of the present invention.

[0025] Figure 5 It is a right side structural diagram of a light guide plate manufacturing device for a display device according to the second embodiment of the present invention.

[0026] Figure 6 It is a cross-sectional structural diagram of a display device light guide plate manufacturing device according to the second embodiment of the present invention.

[0027] Figure 7 yes Figure 6 A partial enlargement of detail A.

[0028] Figure 8 It is a flow chart of a method for manufacturing a light guide plate of a display device according to the third embodiment of the present invention.

[0029] Support assembly 101, loading assembly 102, glue coating assembly 103, conveying assembly 104, base 105, rotating disk 106, fixed base 107, rotating motor 108, support frame 109, loading line 110, clamp 111, glue gun 112, first mover 113, second mover 114, glue box 115, lifter 116, anti-slip pad 201, base 202, clamping block 203, spring 204, frame 205, positioning cylinder 206, positioning plate 207, positioning rod 208, second cylinder 209, translator 210, clamp 211, lifter 212, conveying line 213, lifting plate 214, lifting cylinder 215. DETAILED DESCRIPTION

[0030] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0031] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0032] First embodiment

[0033] See also Figure 1-2 , Figure 1 It is a structural diagram of a display device light guide plate manufacturing device according to the first embodiment of the present invention. Figure 2It is a right side structural diagram of a light guide plate manufacturing device for a display device according to the first embodiment of the present invention.

[0034] The present invention provides a device for manufacturing a light guide plate of a display device, comprising a support component 101, a plurality of feeding components 102, a glue coating component 103 and a conveying component 104, wherein the support component 101 comprises a base 105, a rotating disk 106, a plurality of fixing seats 107, a rotating motor 108 and a support frame 109, wherein the rotating motor 108 is fixedly connected to the base 105 and is located at the top of the base 105, the rotating disk 106 has a plurality of grooves, the rotating disk 106 is fixedly connected to the output end of the rotating motor 108 and is located at the top of the rotating motor 108, the plurality of fixing seats 107 are respectively arranged on one side of the plurality of grooves, the support frame 109 is fixedly connected to the base 105 and is located on one side of the base 105, the feeding component Part 102 includes a loading line 110 and a clamp 111, the loading line 110 is arranged on one side of the rotating disk 106, the clamp 111 is arranged on the support frame 109, and is used to move the parts on the loading line 110, the gluing component 103 includes a gluing gun 112, a first mover 113, a second mover 114, a glue box 115 and a lifter 116, the first mover 113 is arranged on the support frame 109, the second mover 114 is arranged on the first mover 113, the lifter 116 is arranged on the second mover 114, the gluing gun 112 is fixed on the lifter 116, the glue box 115 is connected to the gluing gun 112, and the conveying component 104 is arranged on one side of the rotating disk.

[0035] In this embodiment, the rotating motor 108 is supported by the base 105, so that the rotating motor 108 can rotate to drive the rotating disk 106 to rotate to adjust the position of the workpiece. The specific method is to place the part on the fixed seat 107 of the rotating disk 106, and then the rotating disk 106 drives the part to rotate to the first workpiece for assembly of other parts. A plurality of fixed seats 107 can be set according to the number of parts for processing, and the parts can be loaded by the loading assembly 102, and the parts are transported by the loading line 110, and then passed through the clamp 111 The parts are moved to the fixing seat 107 for fixing, and then the gluing component 103 is used to apply glue when it is needed. Specifically, glue is loaded into the glue box 115, and then the gluing gun 112 is moved to the fixing seat 107 by the lifting device 116, and the position of the gluing gun 112 in the horizontal direction is adjusted by the first mover 113 and the second mover 114, so that gluing can be carried out more conveniently. After another assembly, the assembled display device light guide plate is conveyed by the conveying component 104, thereby improving work efficiency.

[0036] Second embodiment

[0037] See also Figure 3 to Figure 7 , Figure 3 It is a bottom structural diagram of a display device light guide plate manufacturing device according to the second embodiment of the present invention. Figure 4 It is a top structural diagram of a display device light guide plate manufacturing device according to the second embodiment of the present invention. Figure 5 It is a right side structural diagram of a light guide plate manufacturing device for a display device according to the second embodiment of the present invention. Figure 6 It is a cross-sectional structural diagram of a display device light guide plate manufacturing device according to the second embodiment of the present invention. Figure 7 yes Figure 6 A partial enlargement of detail A.

[0038] On the basis of the first embodiment, the present invention further provides a device for manufacturing a light guide plate of a display device, wherein the support assembly 101 further comprises an anti-skid pad 201, which is fixedly connected to the base 105 and is located at the bottom of the base 105. The anti-skid pad 201 can increase the friction between the base 105 and the ground, making it more convenient to use.

[0039] In this embodiment, the fixing seat 107 includes a seat body 202, two clamping blocks 203 and two springs 204. The two clamping blocks 203 are slidably connected to the seat body 202 and are located on both sides of the seat body 202. The two springs 204 are respectively arranged between the clamping blocks 203 and the seat body 202. After the part is placed on the seat body 202, the two clamping blocks 203 can clamp both sides of the part so that it can remain stable during processing.

[0040] The support frame 109 includes a frame body 205, a positioning cylinder 206, a positioning plate 207 and a positioning rod 208. The positioning cylinder 206 is fixed on the base 105. The frame body 205 is fixedly connected to the output end of the positioning cylinder 206. The positioning plate 207 is fixedly connected to the frame body 205. The positioning rod 208 is fixedly connected to the positioning plate 207. A positioning groove matching the positioning rod 208 is provided on the rotating disk 106. The loading assembly 102 and the gluing assembly 103 are provided on the frame body 205. In order to ensure that the relative position of the rotating disk 106 and the corresponding processing device can be accurately maintained when the rotating disk 106 is rotated to the corresponding position, the positioning cylinder 206 is provided so that the positioning cylinder 206 can be started before assembly to drive the frame body 205 to move downward. The positioning plate 207 and the positioning rod 208 cooperate with the positioning groove, so that the relative position can be calibrated to improve the processing accuracy.

[0041] Secondly, the clamp 111 includes a second cylinder 209, a translator 210 and a clamp 211. The translator 210 is arranged on the frame 205, the second cylinder 209 is fixed on the translator 210, and the clamp 211 is arranged on the output end of the second cylinder 209. The translator 210 can drive the clamp 211 to move in the horizontal direction, so that the second cylinder 209 can drive the clamp 211 to move up and down to grab the corresponding parts for assembly.

[0042] Then, the conveying assembly 104 includes a lifter 212 and a conveying line 213. The lifter 212 is slidably connected to the base 105 and is located at the bottom of the rotating disk 106. The conveying line 213 is rotatably connected to the lifter 212 and is located at one side of the groove. The lifter 212 can drive the conveying line 213 to move up and down, so that after the assembled parts are moved to the position of the conveying line 213, the lifter 212 is started to lift the conveying line 213 to enter the groove to lift the light guide plate of the display device for transportation, making it more convenient to use.

[0043] Finally, the lifter 212 includes a lifting plate 214 and a lifting cylinder 215, wherein the lifting cylinder 215 is fixed on the base 105, the lifting plate 214 is fixedly connected to the output end of the lifting cylinder 215, and the conveyor line 213 is rotatably arranged on the lifting plate 214. The lifting cylinder 215 can drive the lifting plate 214 up and down to perform multiple functions, making it more convenient to use.

[0044] Third embodiment

[0045] See also Figure 8 , Figure 8 FIG. 1 is a flow chart of a method for manufacturing a light guide plate for a display device according to a third embodiment of the present invention. Based on the second embodiment, the present invention further provides a method for manufacturing a light guide plate for a display device, comprising:

[0046] S101 assemble the back plate and the plastic frame to obtain a first assembly;

[0047] S102: placing the first assembly onto the fixing seat 107;

[0048] S103 starts the rotating disk 106 to rotate to the first position, so that the first assembly moves to the position where the light guide plate is located;

[0049] S104 starts the clamp 111 to place the light guide plate on the back plate;

[0050] S105: Start the rotating disk 106 to rotate to the second position, so that the glue coating component 103 coats the light guide plate with glue;

[0051] S106: Start the rotating disk 106 to rotate to the third position, place the optical film set on the light guide plate to complete the assembly of the light guide plate of the display device;

[0052] S107: Start the rotating disk 106 to rotate to the fourth position, and transport the light guide plate of the display device to the next process.

[0053] The light guide plate of the display device can be automatically processed by the above method, which reduces the burden on workers and improves work efficiency.

[0054] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A device for manufacturing a light guide plate for a display device, characterized in that: The invention comprises a supporting assembly, a plurality of feeding assemblies, a gluing assembly and a conveying assembly, wherein the supporting assembly comprises a base, a rotating disk, a plurality of fixed seats, a rotating motor and a supporting frame, wherein the rotating motor is fixedly connected to the base and is located at the top of the base, the rotating disk has a plurality of grooves, the rotating disk is fixedly connected to the output end of the rotating motor and is located at the top of the rotating motor, a plurality of the fixed seats are respectively arranged on one side of the plurality of the grooves, the supporting frame is fixedly connected to the base and is located at one side of the base, the feeding assembly comprises a feeding line and a clamp, the feeding line is arranged on one side of the rotating disk, the clamp is arranged on the supporting frame, and is used to move the parts on the feeding line, the gluing assembly comprises a gluing gun, a first mover, a second mover, a glue box and a lifter, the first mover is arranged on the supporting frame, the second mover is arranged on the first mover, the lifter is arranged on the second mover, the gluing gun is fixed on the lifter, the glue box is communicated with the gluing gun, and the conveying assembly is arranged on one side of the rotating disk.

2. A device for manufacturing a light guide plate for a display device as claimed in claim 1, characterized in that: The support assembly also includes an anti-skid pad, which is fixedly connected to the base and located at the bottom of the base.

3. A device for manufacturing a light guide plate for a display device as claimed in claim 2, characterized in that: The fixing seat comprises a seat body, two clamping blocks and two springs. The two clamping blocks are slidably connected to the seat body and are located on both sides of the seat body. The two springs are respectively arranged between the clamping blocks and the seat body.

4. A device for manufacturing a light guide plate for a display device as claimed in claim 3, characterized in that: The support frame includes a frame body, a positioning cylinder, a positioning plate and a positioning rod. The positioning cylinder is fixed on the base, the frame body is fixedly connected to the output end of the positioning cylinder, the positioning plate is fixedly connected to the frame body, the positioning rod is fixedly connected to the positioning plate, a positioning groove matching the positioning rod is provided on the rotating disk, and the feeding assembly and the gluing assembly are arranged on the frame body.

5. The device for manufacturing a light guide plate for a display device according to claim 4, characterized in that: The clamp comprises a second cylinder, a translator and a clamping claw. The translator is arranged on the frame, the second cylinder is fixed on the translator, and the clamping claw is arranged on the output end of the second cylinder.

6. The device for manufacturing a light guide plate for a display device according to claim 5, characterized in that: The conveying assembly includes a lifter and a conveying line. The lifter is slidably connected to the base and is located at the bottom of the rotating disk. The conveying line is rotatably connected to the lifter and is located at one side of the groove.

7. A light guide plate for a display device, manufactured by the light guide plate manufacturing device for a display device according to claim 1, characterized in that: It includes a back plate, a light guide plate located on the back plate, an optical film group located on the light guide plate, a liquid crystal panel located on the optical film group, and a rubber frame surrounding the light guide plate and pressing and fixing the liquid crystal panel on the optical film group, wherein the light emitting surface of the light guide plate is provided with a plurality of first protrusions, the lower surface of the optical film group is adjacent to the light guide plate and is provided with a plurality of second protrusions, the plurality of second protrusions are staggered with the plurality of first protrusions, and each first protrusion and two adjacent second protrusions are filled with light-transmitting adhesive, so that the lower surface of the optical film group and the light emitting surface of the light guide plate are fixed by the light-transmitting adhesive.

8. A method for manufacturing a light guide plate for a display device, for manufacturing the light guide plate for a display device as claimed in claim 7, It is characterized in that The method comprises: assembling a back plate and a plastic frame to obtain a first assembly; Placing the first assembly onto the fixing seat; Start the rotating disk and rotate it to the first position, so that the first assembly moves to the position where the light guide plate is located; Start the clamp to place the light guide plate onto the back plate; Start the rotating disk and rotate it to the second position, so that the glue coating assembly can coat the light guide plate with glue; The rotating disk is started to rotate to the third position, and the optical film group is placed on the light guide plate to complete the assembly of the light guide plate of the display device; The rotating disk is started to rotate to the fourth position, and the light guide plate of the display device is transported to the next process.