Narrow-frame spliced screen module
By adopting a narrow frame design and a hollow structure for reinforced ribs in the splicing screen module, the problem of larger joints of existing splicing screens is solved, and smaller joints, better splicing effect and lower production costs and power consumption are achieved.
Patent Information
- Application Number
- CN202420891623.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-25
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-25
AI Technical Summary
The existing splicing screens have large patchwork, which is difficult to meet the needs of high-end customers.
A narrow-frame splicing screen module was designed, adopting a narrow-frame design, with the upper and left-frames having wide edges, the slits being 1.8mm, the lower and right-frames having narrow edges, and the slits being 1.1mm, and reinforcement and hollow designs were carried out on the middle and back shells, which improved the installation stability and brightness uniformity of the DP diffusion plate.
The narrowing of the patchwork seam is achieved, achieving a 30% reduction, improving the splicing effect and user experience, while reducing production costs and power consumption, meeting the needs of high-end customers.
Smart Images
Figure CN222619351U_ABST
Abstract
Description
[Technical field]
[0001] The utility model relates to the technical field of splicing screens, in particular to a narrow-frame splicing screen module. [Background technology]
[0002] The splicing screen is a commercial display device and has become a common commercial display device in urban areas, especially in commercial areas. It is a facility that realizes the display of advertisements or information on multimedia terminals through information transmission. Its appearance provides a new way of displaying urban commercial information and public welfare information, and is therefore deeply loved by the general public, merchants and major institutions.
[0003] With the continuous development of the economy, users' demand for the scale of splicing screens has continued to expand, from the common four-screen splicing and nine-screen splicing to large-scale splicing consisting of dozens of large screens, which puts forward higher requirements on the economy, lightweight and durability of splicing screens; the existing technology of splicing screens has large seams and is difficult to meet the needs of high-end customers. [Utility Model Content]
[0004] In order to overcome the above problems, the utility model proposes a narrow-frame spliced screen module that can effectively solve the above problems.
[0005] The utility model provides a technical solution to solve the above technical problems: providing a narrow-frame splicing screen module, including a splicing screen back shell, a splicing screen middle frame is arranged on the inner side of the splicing screen back shell, an OC glass is arranged on the front front end of the splicing screen back shell, an upper diffusion sheet is arranged below the OC glass, a prism sheet is arranged below the upper diffusion sheet, a lower diffusion sheet is arranged below the prism sheet, a DP diffusion plate is arranged below the lower diffusion sheet, and the DP diffusion plate is installed on the splicing screen middle frame; the narrow-frame splicing screen module adopts a narrow frame design, the upper frame and the left frame are wide edges with a splicing seam of 1.8mm, and the lower frame and the right frame are narrow edges with a splicing seam of 1.1mm.
[0006] Preferably, a reflective sheet is installed on the inner side of the back shell of the spliced screen, the reflective sheet is located below the DP diffusion plate, and a backlight strip is arranged below the reflective sheet.
[0007] Preferably, a constant current board and a TCON board are provided on the back of the spliced screen back shell, the TCON board is connected to the constant current board through the LD control line, the TCON board is electrically connected to the OC glass with an FFC line, and the constant current board is electrically connected to the backlight strip.
[0008] Preferably, the upper side of the splicing screen back shell is connected to an upper side strip, the lower side of the splicing screen back shell is connected to a lower side strip, the left side of the splicing screen back shell is connected to a left strip, and the right side of the splicing screen back shell is connected to a right strip.
[0009] Preferably, the seam between the left side bar and the upper side bar is 1.8 mm, the seam between the right side bar and the lower side bar is 1.1 mm, and the material of the upper side bar, the lower side bar, the left side bar and the right side bar is 304 electrophoretic stainless steel with a thickness of 0.3 mm.
[0010] Preferably, the back shell of the spliced screen adopts a concave design at the backlight strip installation location, with a concave depth of 1.2 mm.
[0011] Preferably, the middle frame of the spliced screen adopts a hollow design, the DP diffusion plate is installed with support by reinforcing ribs, and the edge adopts a 55° corner design.
[0012] Preferably, a constant current protection cover is provided on the outer side of the constant current plate, and a TCON protection cover is provided on the outer side of the TCON plate.
[0013] Preferably, the OC glass is affixed with anti-light leakage Mylar around its periphery, and the specification of the anti-light leakage Mylar is TBS-010 black elastic Mylar with a thickness of 0.1MM.
[0014] Preferably, the upper diffuser, prism sheet and lower diffuser are provided with ears on the sky side, and buckles matching the ears are provided on the middle frame of the spliced screen, and the ears are buckled at corresponding buckles on the middle frame of the spliced screen.
[0015] Compared with the prior art, the narrow frame splicing screen module of the utility model has the following beneficial effects:
[0016] 1. It adopts a narrow frame design. The upper and left frames are wide frames with a seam of 1.8mm, and the lower and right frames are narrow frames with a seam of 1.1mm. The actual physical seam of the spliced curtain wall is less than 3mm, while the actual physical seam of the spliced screen with a traditional 3.5mm seam is usually greater than 4.1mm. In comparison, the seam is narrowed by 30%, which has a better splicing effect.
[0017] 2. The back shell studs adopt a universal design, and customers can use the universal back shell of the original splicing screen for installation, which reduces the customer's usage cost.
[0018] 3. The back shell adopts an integrated stamping design, eliminating the corner code parts at the four corners of the back shell, reducing the production cost of the entire machine.
[0019] 4. The middle frame adopts a reinforcing rib design, which narrows the middle frame while increasing the installation area of the DP diffuser, improving the stability of the installation of the DP diffuser; and avoiding the problem of dark shadows appearing on the edges of the spliced screen when the backlight bar is blocked by the middle frame.
[0020] 5. The middle frame adopts a narrow corner design, and the edge adopts a 55° angle to reduce the obstruction of backlight and avoid shadows on the edge of the screen.
[0021] 6. The back shell of the spliced screen adopts a concave design at the installation position of the backlight strip, which is 1.2mm concave. With the 1mm thick backlight strip and the 0.2mm thick double-sided tape of the light strip, the surface is flat after the light strip is installed, and there is no protrusion on the reflective sheet, ensuring uniform brightness of the module display.
[0022] 7. The design of DP diffusion plate plus 2 layers of diffusion sheets and 1 layer of prism sheet is adopted. The module brightness value reaches 550nit, and the energy efficiency value is greater than 3.0, which meets the national standards and saves energy and reduces emissions.
[0023] 8. Using BOE original OC, it has good display effect and high light transmittance, which reduces the brightness requirements of the backlight bar and reduces the power consumption of the whole machine.
[0024] 9. The backlight bar adopts Local Dimming design, which improves the display contrast and reduces the display power consumption.
Brief Description of the Drawings
[0025] Figure 1 This is an overall diagram of the narrow-frame splicing screen module of the utility model;
[0026] Figure 2 This is an exploded view of the narrow-frame spliced screen module of the utility model;
[0027] Figure 3 It is a rear view of the narrow-frame spliced screen module of the utility model. [Specific implementation method]
[0028] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0029] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are limited to relative positions on a specified view, rather than absolute positions.
[0030] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0031] See also Figures 1 to 3The narrow-frame splicing screen module of the utility model includes a splicing screen back shell 12, a splicing screen middle frame 10 is arranged on the inner side of the splicing screen back shell 12, an OC glass 2 is arranged on the front front end of the splicing screen back shell 12, an upper diffusion sheet 3 is arranged below the OC glass 2, a prism sheet 4 is arranged below the upper diffusion sheet 3, a lower diffusion sheet 5 is arranged below the prism sheet 4, a DP diffusion plate 6 is arranged below the lower diffusion sheet 5, and the DP diffusion plate 6 is installed on the splicing screen middle frame 10.
[0032] The narrow-frame splicing screen module adopts a narrow frame design, with the upper and left frames being wide frames with a seam of 1.8mm, and the lower and right frames being narrow frames with a seam of 1.1mm. The actual physical seam of the spliced curtain wall is less than 3mm, while the actual physical seam of the traditional splicing screen with a seam of 3.5mm is usually greater than 4.1mm. In comparison, the seam is narrowed by 30%, with a smaller seam and a better splicing effect, so as to meet users' higher usage requirements and improve the user experience.
[0033] The OC glass 2 is surrounded by anti-light leakage Mylar 1.
[0034] A reflective sheet 7 is installed on the inner side of the spliced screen back shell 12 . The reflective sheet 7 is located below the DP diffusion plate 6 . A backlight strip 13 is arranged below the reflective sheet 7 .
[0035] A plurality of support columns 8 are arranged on the inner side of the spliced screen back shell 12 to help support the internal structure more stably.
[0036] A constant current plate 17 and a TCON plate 16 are provided on the back of the spliced screen back shell 12 . The TCON plate 16 is connected to the constant current plate 17 via an LD control line. The TCON plate 16 is electrically connected to the OC glass 2 via an FFC line. The constant current plate 17 is electrically connected to the backlight strip 13 .
[0037] A constant current protection cover plate 18 is disposed on the outer side of the constant current plate 17 , and a TCON protection cover plate 19 is disposed on the outer side of the TCON plate 16 .
[0038] The upper side of the spliced screen back shell 12 is connected to an upper side strip 11 , the lower side of the spliced screen back shell 12 is connected to a lower side strip 14 , the left side of the spliced screen back shell 12 is connected to a left side strip 9 , and the right side of the spliced screen back shell 12 is connected to a right side strip 15 .
[0039] The specification of the light leakage-proof Mylar 1 is TBS-010 black elastic Mylar with a thickness of 0.1MM. The light leakage-proof Mylar 1 is attached to the four sides of the OC glass 2 .
[0040] The specification of the OC glass 2 is 55-inch BOE original glass DV550FHB-NVH.
[0041] The specification of the upper diffuser 3 is 1209.9*681.4*0.275mm. A hanging ear is set on the sky side of the upper diffuser 3, and a buckle matching the hanging ear is set on the splicing screen middle frame 10. The hanging ear can be buckled at the corresponding buckle of the splicing screen middle frame 10 to prevent the diaphragm from displacement.
[0042] The specification of the prism sheet 4 is 1209.9*681.4*0.285mm 0°. The prism sheet 4 has a hanging ear on the sky side. The splicing screen middle frame 10 is provided with a buckle matching the hanging ear. The hanging ear can be buckled at the corresponding buckle of the splicing screen middle frame 10 to prevent the membrane from displacement.
[0043] The specification of the lower diffuser 5 is 1209.9*681.4*0.21mm. The lower diffuser 5 has a hanging ear on the sky side. The splicing screen middle frame 10 is provided with a buckle matching the hanging ear. The hanging ear can be buckled at the corresponding buckle of the splicing screen middle frame 10 to prevent the diaphragm from displacement.
[0044] The specification of the DP diffusion plate 6 is 1206.3*687.5*1.5mm, and it is made of PS plastic.
[0045] The specifications of the splicing screen middle frame 10 are 1211.2*682*39.6mm, made of white PS plastic, with a hollow design, and supported by reinforcing ribs at the installation of DP diffusion panels 6, and the edges adopt a 55° corner design.
[0046] The specification of the spliced screen back shell 12 is 1208*678.8*36.4mm, and the material is SECC with a thickness of 1.0mm.
[0047] The specification of the reflective sheet 7 is 1203*672*0.188mm, and the material is 188RAQ3. The reflective sheet 7 is provided with holes corresponding to the lamp beads and the support columns 8, and the reflective sheet 7 is pasted inside the spliced screen back shell 12.
[0048] The specification of the support column 8 is 25*20*34mm, and it is designed with two-color PS injection molding. There are 10 support columns in total, which are attached to the inside of the splicing screen back shell 12 with double-sided tape. The support columns 8 extend out from the reserved holes of the reflective sheet 7.
[0049] The backlight strip 13 has 12 3030 lamp beads, with a total of 8 strips.
[0050] The specification of the TCON board 16 is TCON_K55B32. A TCON protection cover plate 19 is installed outside the TCON board 16. The TCON board 16 is electrically connected to the OC glass 2 by an FFC line. The TCON board 16 is electrically connected to the constant current board 17 by an LD control line.
[0051] The specification of the constant current plate 17 is PW.ALD32C.801. A constant current protection cover plate 18 is installed outside the constant current plate 17. The constant current plate 17 is electrically connected to the eight backlight strips 13 by FFC wires.
[0052] The left side bar 9 has a specification of 683.2*45.1*11mm, a seam of 1.8mm, and is made of 0.3mm thick 304 electrophoresis stainless steel;
[0053] The specification of the right side bar 15 is 683.2*45.1*9.5mm, the seam is 1.1mm, and the material is 0.3mm thick 304 electrophoresis stainless steel;
[0054] The specification of the upper edge strip 11 is 1211.4*45.1*11mm, the seam is 1.8mm, and the material is 304 electrophoresis stainless steel with a thickness of 0.3mm;
[0055] The specification of the lower edge strip 14 is 1211.4*45.1*9.5mm, the seam is 1.1mm, and the material is 304 electrophoretic stainless steel with a thickness of 0.3mm.
[0056] Working principle: The constant current board 17 is powered on to light up the lamp beads on the electrically connected backlight strips 13. There are 96 lamp beads in total on the 8 backlight strips 13. The TCON board 16 is connected to the constant current board 17 through the LD control line to control the lamp beads on the backlight strips 13. Each lamp bead can be individually controlled by the TCON on the light strip control line. After the lamp beads are powered on, they emit white light, which is deflected by 0° after passing through the DP diffuser plate 6, the lower diffuser 5, and the prism sheet 4 supported by the support column 8 and reaches the upper diffuser 3 to become uniform white light, which is irradiated on the OC glass 2 to form a backlight. The OC glass 2 is controlled by the TCON board 16, and the display content is determined by the display main board. The seam between the upper side strip 11 and the left side strip 9 is 1.8mm, and the seam between the lower side strip 14 and the right side strip 15 is 1.1mm. The upper side strip 11, the left side strip 9, the lower side strip 14, and the right side strip 15 are all fixed to the spliced screen back shell 12 by screws, buckling the OC glass 2 to prevent it from falling off. The reflective sheet 7 can reflect the white light from other directions of the lamp beads to the direction of the OC glass 2 to increase the backlight brightness.
[0057] Compared with the prior art, the narrow frame splicing screen module of the utility model has the following beneficial effects:
[0058] 1. It adopts a narrow frame design. The upper and left frames are wide frames with a seam of 1.8mm, and the lower and right frames are narrow frames with a seam of 1.1mm. The actual physical seam of the spliced curtain wall is less than 3mm, while the actual physical seam of the spliced screen with a traditional 3.5mm seam is usually greater than 4.1mm. In comparison, the seam is narrowed by 30%, which has a better splicing effect.
[0059] 2. The back shell studs adopt a universal design, and customers can use the universal back shell of the original splicing screen for installation, which reduces the customer's usage cost.
[0060] 3. The back shell adopts an integrated stamping design, eliminating the corner code parts at the four corners of the back shell, reducing the production cost of the entire machine.
[0061] 4. The middle frame adopts a reinforcing rib design, which narrows the middle frame while increasing the installation area of the DP diffuser, improving the stability of the installation of the DP diffuser; and avoiding the problem of dark shadows appearing on the edges of the spliced screen when the backlight bar is blocked by the middle frame.
[0062] 5. The middle frame adopts a narrow corner design, and the edge adopts a 55° angle to reduce the obstruction of backlight and avoid shadows on the edge of the screen.
[0063] 6. The back shell 12 of the spliced screen adopts a concave design at the installation position of the backlight strip 13, which is concave 1.2mm. With the 1mm thick backlight strip 13 and the 0.2mm thick double-sided tape of the light strip, the surface is flat after the light strip is installed, and there is no protrusion on the reflective sheet, ensuring uniform brightness of the module display.
[0064] 7. The design of DP diffusion plate plus 2 layers of diffusion sheets and 1 layer of prism sheet is adopted. The module brightness value reaches 550nit, and the energy efficiency value is greater than 3.0, which meets the national standards and saves energy and reduces emissions.
[0065] 8. Using BOE original OC, the display effect is good, the light transmittance is high, the brightness requirement of the backlight bar 13 is reduced, and the power consumption of the whole machine is reduced.
[0066] 9. The backlight bar 13 adopts Local Dimming design, which improves the display contrast and reduces the display power consumption.
[0067] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any modifications, equivalent substitutions and improvements made within the concept of the present invention should be included in the patent protection scope of the present invention.
Claims
1. Narrow frame splicing screen module, characterized by: It includes a splicing screen back shell, a splicing screen middle frame is arranged on the inner side of the splicing screen back shell, an OC glass is arranged on the front front end of the splicing screen back shell, an upper diffusion sheet is arranged below the OC glass, a prism sheet is arranged below the upper diffusion sheet, a lower diffusion sheet is arranged below the prism sheet, a DP diffusion plate is arranged below the lower diffusion sheet, and the DP diffusion plate is installed on the splicing screen middle frame; The narrow-frame splicing screen module adopts a narrow-frame design, with the upper frame and the left frame being wide frames with a seam of 1.8 mm, and the lower frame and the right frame being narrow frames with a seam of 1.1 mm.
2. The narrow-frame spliced screen module according to claim 1, characterized in that: A reflective sheet is installed on the inner side of the back shell of the spliced screen, and the reflective sheet is located below the DP diffusion plate. A backlight strip is arranged below the reflective sheet.
3. The narrow-frame spliced screen module according to claim 2, characterized in that: A constant current board and a TCON board are arranged on the back of the spliced screen back shell. The TCON board is connected to the constant current board through the LD control line. The TCON board is electrically connected to the OC glass with the FFC line. The constant current board is electrically connected to the backlight strip.
4. The narrow-frame spliced screen module according to claim 1, characterized in that: The upper side of the spliced screen back shell is connected to an upper side strip, the lower side of the spliced screen back shell is connected to a lower side strip, the left side of the spliced screen back shell is connected to a left side strip, and the right side of the spliced screen back shell is connected to a right side strip.
5. The narrow-frame spliced screen module according to claim 4, characterized in that: The seam between the left side bar and the upper side bar is 1.8 mm, and the seam between the right side bar and the lower side bar is 1.1 mm. The material of the upper side bar, the lower side bar, the left side bar and the right side bar is 304 electrophoretic stainless steel with a thickness of 0.3 mm.
6. The narrow-frame spliced screen module according to claim 2, characterized in that: The back shell of the spliced screen adopts a concave design at the backlight strip installation position, with a concave of 1.2 mm.
7. The narrow-frame spliced screen module according to claim 1, characterized in that: The middle frame of the spliced screen adopts a hollow design, the DP diffusion panel is installed with support by reinforcing ribs, and the edge adopts a 55° corner design.
8. The narrow-frame spliced screen module according to claim 3, characterized in that: A constant current protection cover is provided on the outer side of the constant current plate, and a TCON protection cover is provided on the outer side of the TCON plate.
9. The narrow-frame spliced screen module according to claim 1, characterized in that: The OC glass is affixed with anti-light leakage Mylar on all sides. The specification of the anti-light leakage Mylar is TBS-010 black elastic Mylar with a thickness of 0.1MM.
10. The narrow-frame spliced screen module according to claim 1, characterized in that: The upper diffuser, prism sheet and lower diffuser are provided with hanging ears at the sky side, and the spliced screen middle frame is provided with buckles matching the hanging ears, and the hanging ears are buckled at the corresponding buckle positions of the spliced screen middle frame.