Energy-saving LED flexible display screen
By incorporating a flexible substrate, light guide layer, and light collection layer into the LED display, the problems of low light utilization and heat dissipation are solved, resulting in improved brightness uniformity and stability, and extended lifespan of the display.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN TAISHAN HONG DISPLAY TECH CO LTD
- Filing Date
- 2025-05-16
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional LED displays have low light utilization rates and cannot effectively collect and guide light, resulting in uneven brightness. At the same time, the lack of an effective heat dissipation structure affects their lifespan and stability.
The design incorporates a flexible substrate and a light guide layer, along with a light-collecting layer, a reflective groove, a heat-conducting cavity, and a heat-dissipating cavity. The light guide layer collects light and reflects it through the reflective groove. The heat-conducting cavity and heat-dissipating cavity within the light-collecting layer manage heat, while the graphene heat sink and thermally conductive adhesive provide efficient heat dissipation.
It improves light utilization and brightness uniformity, extends the lifespan of the display screen, and enhances stability and reliability.
Smart Images
Figure CN224109954U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to display screen technical field, more specifically, especially, it relates to a kind of energy-saving LED flexible display screen. BACKGROUND
[0002] In modern display technology field, LED display screen as a kind of commonly used display equipment, is widely used in advertisement display, indoor and outdoor large screen display and electronic device screen and multiple scenes, to facilitate user to present various images, video and other information, reach the purpose of information dissemination or visual interaction.But, traditional device usually adopts plane type lamp bead distribution structure, and the light utilization rate of LED lamp bead is low, cannot collect and guide light, leading to a large amount of light scattering, affect the uniformity of display brightness, reduce the overall display effect.At the same time, lack of heat dissipation structure, if not in time heat dissipation, it is easy to make LED lamp bead light-emitting efficiency reduce due to overheating, adversely affect the service life of display screen, reduce the stability and reliability of traditional device in long-term use process. SUMMARY
[0003] In order to solve the above technical problems, the utility model provides a kind of energy-saving LED flexible display screen, to solve the technical problems in prior art, traditional device usually adopts plane type lamp bead distribution structure, and the light utilization rate of LED lamp bead is low, cannot collect and guide light.
[0004] The purpose and effect of the energy-saving LED flexible display screen of the utility model are achieved by the following specific technical means:
[0005] A kind of energy-saving LED flexible display screen, including flexible substrate, the flexible substrate one side is equipped with backplate circuit, the other side is equipped with light-emitting base layer, the light-emitting base layer includes LED lamp bead array and light guide layer, the LED lamp bead array is installed on the flexible substrate, the light guide layer is located on the side of the LED lamp bead away from the flexible substrate, light guide layer and the LED lamp bead array between being equipped with light collecting layer, the light collecting layer is equipped with light reflection groove, one end of the LED lamp bead array is located in the light reflection groove, the light collecting layer is equipped with heat conduction cavity, the flexible substrate is equipped with heat dissipation cavity, the flexible substrate and the backplate circuit between being equipped with heat dissipation plate.
[0006] According to a preferred embodiment, the flexible substrate is polyimide, the light guide layer is polymethyl methacrylate material, the light guide layer is equipped with microprism array on the side away from the light collecting layer.
[0007] According to a preferred embodiment, the light collecting layer is polymethyl methacrylate material, the inner wall of the light reflection groove is equipped with reflective plating, and the reflective plating is silver film.
[0008] According to a preferred embodiment, the heat-conducting cavity and the heat-dissipating cavity are in communication, and both are filled with heat-conducting glue.
[0009] According to a preferred embodiment, the heat-dissipating plate is made of graphene, and a plurality of heat-dissipating holes are arranged on the heat-dissipating plate in a honeycomb shape.
[0010] According to a preferred embodiment, a sealing glue layer is arranged at the connection between the light-collecting layer and the flexible substrate, and the sealing glue layer is made of silicone sealing glue.
[0011] According to a preferred embodiment, a heat-dissipating channel is arranged on the back plate circuit, the heat-dissipating channel is a cylindrical through hole, and a heat-conducting rod is filled in the through hole.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1. The utility model discloses a light-collecting layer and a light-reflecting groove, so that the user can collect the scattered light. This improves the light management ability of the device and changes the low light utilization rate of the traditional flat lamp bead distribution structure. The user does not need to perform complex operations, and the light-reflecting groove on the light-collecting layer can automatically collect and reflect the light emitted by the LED lamp bead, so that the light is more concentrated in the display, and the user can obtain a display screen with more uniform brightness, thereby improving the display effect of the device.
[0014] 2. When using the device, the user can dissipate heat through the heat-dissipating plate, the heat-dissipating cavity and the heat-conducting structure in communication, so that the user does not need to worry about the decrease of the light-emitting efficiency of the LED lamp bead due to overheating. The heat-dissipating plate is made of graphene and is provided with honeycomb-shaped heat-dissipating holes, and the heat-conducting glue filled in the heat-conducting cavity and the heat-dissipating cavity, so that the device can dissipate the heat generated by the LED lamp bead, thereby bringing the user the benefits of stable operation of the display screen and prolonging the service life, and improving the stability and reliability of the device in the long-term use. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is the structure schematic diagram of the utility model after assembly;
[0016] Figure 2 is the structure schematic diagram of the utility model after disassembly;
[0017] Figure 3 is Figure 2 the enlarged view of the a area in figure 1;
[0018] Figure 4 is the structure schematic diagram of the heat-dissipating cavity of the utility model.
[0019] In the figure, the correspondence between the component name and the drawing number is as follows:
[0020] 11, flexible substrate; 12, backplane circuit; 13, LED lamp bead array; 14, light guide layer; 15, light collection layer; 16, light reflection groove; 17, heat conduction cavity; 18, heat dissipation cavity; 19, heat dissipation plate; 21, micro-prism array; 22, reflective plating layer; 23, sealing glue layer; 24, heat dissipation channel; 28, heat conduction rod. DETAILED DESCRIPTION
[0021] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the technical scheme of the present application, but cannot be used to limit the protection scope of the present application.
[0022] Embodiment:
[0023] As Figures 1 to 4The utility model provides a kind of energy-saving LED flexible display, including flexible substrate 11. Flexible substrate 11 side is equipped with backplate circuit 12, and the other side is equipped with luminous base layer. By the setting of flexible substrate 11 and backplate circuit 12, the basic support and circuit connection can be provided for display screen, so that the whole display screen system can be stably operated. Luminous base layer includes LED lamp pearl array 13 and light guide layer 14, LED lamp pearl array 13 is installed on flexible substrate 11, by the setting of LED lamp pearl array 13 installed on flexible substrate 11, the stable position and power supply of LED lamp pearl can be ensured, so that LED lamp pearl array 13 can normally emit light, improve the stability and reliability of the device light emitting. Light guide layer 14 is located on the side of LED lamp pearl array 13 away from flexible substrate 11, and light guide layer 14 and LED lamp pearl array 13 are equipped with light collecting layer 15, by setting light collecting layer 15 between light guide layer 14 and LED lamp pearl array 13, the light emitted by LED lamp pearl array 13 can be collected and arranged initially, so that light can be more orderly into light guide layer 14, improve the management ability of the device to light. Light collecting layer 15 is equipped with reflecting groove 16, and one end of LED lamp pearl array 13 is located in reflecting groove 16, by setting reflecting groove 16 on light collecting layer 15 and one end of LED lamp pearl array 13 is located in reflecting groove 16, the light scattered by LED lamp pearl array 13 can be collected, so that more light can participate in display process, improve the utilization rate of the device light. Heat conducting cavity 17 is arranged in light collecting layer 15, and heat dissipation cavity 18 is arranged on flexible substrate 11, by setting heat conducting cavity 17 in light collecting layer 15 and heat dissipation cavity 18 on flexible substrate 11, the basic path of heat transfer and dissipation can be constructed, so that the heat generated by LED lamp pearl array 13 can be gradually guided to heat dissipation area, improve the feasibility of the device heat dissipation. Heat dissipation plate 19 is arranged between flexible substrate 11 and backplate circuit 12, by setting heat dissipation plate 19 between flexible substrate 11 and backplate circuit 12, the heat dissipation area can be increased, and heat dissipation is accelerated, so that the temperature of the whole display screen can be controlled, improve the efficiency of the device heat dissipation.
[0024] The flexible substrate 11 is polyimide. By setting the flexible substrate 11 as polyimide, the display screen can be endowed with good flexibility and electrical insulation, so that the display screen can adapt to different installation environments and bending requirements, and the adaptability of the device application scene is improved. The light guide layer 14 is made of polymethyl methacrylate material. The light guide layer 14 is provided with a micro-prism array 21 on the side away from the light collecting layer 15. By setting the micro-prism array 21 on the side of the light guide layer 14 away from the light collecting layer 15, the light passing through the light collecting layer 15 and the light guide layer 14 can be refracted and uniformly distributed, so that the light can be more uniformly emitted from the surface of the display screen, and the uniformity of the display brightness of the device is improved. The light collecting layer 15 is made of polymethyl methacrylate material. By setting the light collecting layer 15 as polymethyl methacrylate material, the optical performance of the material can be utilized, so that the light can be better propagated and collected in the light collecting layer 15, and the stability of the optical performance of the device is improved. The inner wall of the light reflection groove 16 is provided with a reflective coating 22. The reflective coating 22 is a silver film. By setting the silver film reflective coating 22 on the inner wall of the light reflection groove 16, the reflection ability of the light reflection groove 16 to light can be enhanced, so that more scattered light can be reflected back to the useful path, and the efficiency of light collection of the device is improved.
[0025] The heat conduction cavity 17 and the heat dissipation cavity 18 are in communication, and both are filled with heat conduction glue. By making the heat conduction cavity 17 and the heat dissipation cavity 18 in communication and filling them with heat conduction glue, the efficiency of heat transfer between the two cavities can be improved, so that heat can be transferred in the heat dissipation system, and the continuity of the heat dissipation system of the device is improved. The heat dissipation plate 19 is made of graphene material. A plurality of heat dissipation holes are formed on the heat dissipation plate 19, and the plurality of heat dissipation holes are distributed in a honeycomb shape. By setting the heat dissipation plate 19 as graphene material and forming honeycomb-shaped heat dissipation holes, the high thermal conductivity of graphene and the increased heat dissipation area of the honeycomb-shaped holes can be utilized, so that heat can be dissipated to the surrounding environment.
[0026] A sealing glue layer 23 is arranged at the connection between the light collecting layer 15 and the flexible substrate 11. The sealing glue layer 23 is made of organic silicone sealing glue material. By setting the sealing glue layer 23 made of organic silicone sealing glue material at the connection between the light collecting layer 15 and the flexible substrate 11, dust and water vapor can be prevented from entering the connection between the light collecting layer 15 and the flexible substrate 11 to affect the optical performance and circuit performance, so that the display screen can stably operate in different environments, and the environmental adaptability and reliability of the device are improved. The back plate circuit 12 is provided with a heat dissipation channel 24. The heat dissipation channel 24 is a cylindrical through hole, and the through hole is filled with a heat conduction rod 28. By setting the heat dissipation channel 24 on the back plate circuit 12 and filling it with the heat conduction rod 28, the heat generated by the back plate circuit 12 and the heat transferred from the heat dissipation cavity 18 can be further conducted out, so that the heat of the entire display screen can be dissipated, and the integrity of the overall heat dissipation of the device is improved.
[0027] The specific use mode and role of the embodiment are as follows:
[0028] When the energy-saving LED flexible display screen works, the LED lamp bead array 13 is powered on and emits light on the flexible substrate 11, part of the light emitted directly enters the light guide layer 14, and the other part of the scattered light is collected and reflected to the light guide layer 14 by the light collecting groove 16 with a silver film reflective coating 22 on the light collecting layer 15, and then is uniformly distributed by the micro-prism array 21 after transmission through the light guide layer 14, so as to present a clear picture with uniform brightness to the user and improve the display effect. At the same time, the heat generated by the LED lamp bead array 13 is first absorbed by the heat conducting cavity 17 in the light collecting layer 15, and then is quickly transmitted to the heat dissipation cavity 18 through the heat conducting glue filled in the heat dissipation cavity 18 in communication with the heat dissipation cavity 18, and the heat dissipation cavity 18 on the flexible substrate 11 also collects the surrounding heat, cooperates with the heat dissipation plate 19 made of graphene material and having a honeycomb-shaped heat dissipation hole, and the heat dissipation channel 24 filled with the heat dissipation rod 28 on the back plate circuit 12, and dissipates the heat, so as to ensure stable light emission of the LED lamp bead array 13 and prolong the service life of the display screen. In addition, the flexible substrate 11 made of polyimide material can adapt to different installation scenes and bending requirements, and the organic silicone sealant sealant layer 23 at the connection between the light collecting layer 15 and the flexible substrate 11 blocks dust, water vapor and other external interference, so as to ensure stable work of the display screen in various environments.
[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model, and for those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments.
Claims
1. An energy-saving flexible LED display screen comprising a flexible substrate (11), characterized in that: The flexible substrate (11) is provided with a back plate circuit (12) on one side and a light-emitting base layer on the other side, the light-emitting base layer comprises an LED lamp bead array (13) and a light guide layer (14), the LED lamp bead array (13) is installed on the flexible substrate (11), the light guide layer (14) is located on the side of the LED lamp bead away from the flexible substrate (11), the light guide layer (14) and the LED lamp bead array (13) are provided with a light collecting layer (15), the light collecting layer (15) is provided with a light reflecting groove (16), one end of the LED lamp bead array (13) is located in the light reflecting groove (16), the light collecting layer (15) is provided with a heat conducting cavity (17), the flexible substrate (11) is provided with a heat dissipation cavity (18), and the flexible substrate (11) and the back plate circuit (12) are provided with a heat dissipation plate (19).
2. The energy-saving LED flexible display according to claim 1, characterized in that: The flexible substrate (11) is polyimide, the light guide layer (14) is made of polymethyl methacrylate material, and the light guide layer (14) is provided with a micro-prism array (21) on the side away from the light collecting layer (15).
3. The energy-saving LED flexible display according to claim 2, characterized in that: The light collecting layer (15) is made of polymethyl methacrylate material, the inner wall of the light reflecting groove (16) is provided with a reflective plating layer (22), and the reflective plating layer (22) is a silver film.
4. The energy-saving LED flexible display according to claim 3, characterized in that: The heat conducting cavity (17) and the heat dissipation cavity (18) are in communication and are both filled with heat conducting glue.
5. The energy-saving LED flexible display screen according to claim 1, characterized in that: The heat dissipation plate (19) is made of graphene material, a plurality of heat dissipation holes are formed on the heat dissipation plate (19), and the plurality of heat dissipation holes are distributed in a honeycomb shape.
6. The energy-saving LED flexible display according to claim 5, characterized in that: The connection between the light collecting layer (15) and the flexible substrate (11) is provided with a sealing glue layer (23), and the sealing glue layer (23) is made of organic silicon sealing glue material.
7. The energy-saving LED flexible display according to claim 6, characterized in that: The back plate circuit (12) is provided with a heat dissipation channel (24) penetrating through, the heat dissipation channel (24) is a cylindrical through hole, and the through hole is filled with a heat conducting rod (28).