LED (light-emitting diode) light bar structure of flat-panel television
By designing a modular light panel structure and air-cooled heat dissipation, the problems of limited functionality and poor heat dissipation of LED TV backlight strips have been solved, achieving efficient heat dissipation and simplified maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-03-27
AI Technical Summary
Existing LED TV backlight strips have limited functionality, require replacement of the entire strip after a malfunction, are cumbersome to operate, and have poor heat dissipation.
A modular light panel structure was designed, using an aluminum alloy mounting plate and FR-4 fiberglass board. It features heat dissipation holes and air pipe connectors, utilizing air cooling for heat dissipation, and modular light panel connections are achieved through trapezoidal slots and contacts.
It improves heat dissipation efficiency, and in case of failure, only the damaged part of the lamp board needs to be replaced, simplifying the maintenance process and improving maintenance efficiency and safety.
Smart Images

Figure CN224052790U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to LED lamp strip technical field, especially a kind of flat television LED lamp strip structure. BACKGROUND
[0002] With the development of television industry, now it has entered LED color TV era, use LED lamp as the backlight of television, improve a lot than fluorescent tube as backlight, first, can make thinner television, second, more power saving, third, failure rate is substantially reduced, fourth, it is easier to judge fault during maintenance, fifth, there is no high pressure, it is safer to maintain, these all need to use LED backlight strip.But, currently LED television backlight strip function is relatively single, after failure, generally whole LED lamp panel will be extinguished, need to replace whole LED lamp panel, operation is more cumbersome, and strip adopts the way of natural cooling heat dissipation, and the heat dissipation performance is poor. SUMMARY
[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a kind of flat television LED lamp strip structure, and the purpose is to solve the problem that currently LED television backlight strip function is relatively single, after failure, generally whole LED lamp panel will be extinguished, need to replace whole LED lamp panel, operation is more cumbersome, and strip adopts the way of natural cooling heat dissipation, and the heat dissipation performance is poor.
[0004] In order to achieve the above-mentioned utility model purposes, the utility model adopts the technical scheme that:
[0005] A kind of flat television LED lamp strip structure, including mounting plate, lamp panel and LED lamp bead, the lamp panel is equipped with LED lamp bead, the mounting plate and lamp panel are all opened with heat dissipation hole, the mounting plate is opened with two symmetrically arranged first clamping grooves, the lamp panel is opened with second clamping groove, the side of the lamp panel away from second clamping groove is equipped with the first clamping block that can be connected with first clamping groove and second clamping groove, the first clamping groove is equipped with first contact and second contact, the lamp panel is equipped with first connecting line and second connecting line.
[0006] Further, the first contact is connected with first connecting line circuit, and the second contact is connected with second connecting line circuit.
[0007] Further, the first clamping groove, second clamping groove and first clamping block are all trapezoidal.
[0008] Further, the mounting plate and lamp panel are equipped with mounting groove between and the side of adjacent lamp panel close to each other, and the mounting groove is equipped with sealing ring.
[0009] Further, the LED lamp bead is connected in parallel with first connecting line and second connecting line respectively.
[0010] Further, the lamp panel top is provided with a backlight color plate.
[0011] Further, the lamp panel is provided with a nose buckle on the side away from the backlight color plate.
[0012] Further, the mounting plate is provided with an air pipe joint, which is communicated with the heat dissipation hole.
[0013] The beneficial effects of the present application are as follows:
[0014] The LED lamp strip structure of the flat panel television of the present application is provided with a heat dissipation hole, which facilitates heat dissipation of the lamp strip, improves heat dissipation efficiency, and is provided with a spliced lamp panel structure, so that when one LED lamp bead is damaged, the whole lamp strip will not be extinguished, and only the damaged lamp panel needs to be replaced for use and maintenance. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The present application is a three-dimensional structure schematic diagram;
[0016] Figure 2 The present application is an explosion structure schematic diagram;
[0017] Figure 3 The present application is a lamp panel cross-sectional structure schematic diagram;
[0018] Figure 4 The present application is an electrical schematic diagram.
[0019] Correspondence table of reference signs:
[0020] 1, mounting plate; 2, lamp panel; 3, LED lamp bead; 4, heat dissipation hole; 5, first clamping groove; 6, second clamping groove; 7, first clamping block; 8, first contact; 9, second contact; 10, first connecting line; 11, second connecting line; 12, mounting groove; 13, sealing ring; 14, backlight color plate; 15, nose buckle; 16, air pipe joint. DETAILED DESCRIPTION
[0021] The specific embodiments of the present application will be further described below in combination with the drawings. The same parts are denoted by the same reference signs.
[0022] It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "in" and "out" refer to the directions towards or away from the geometric center of a particular part.
[0023] In order to make the content of the present application more easily understood, the technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the drawings of the embodiments of the present application.
[0024] As Figures 1 to 3 shown, a flat-panel TV LED light bar structure, comprising a mounting plate 1, a lamp plate 2 and LED lamp beads 3, the lamp plate 2 is provided with LED lamp beads 3, the mounting plate 1 and the lamp plate 2 are both provided with heat dissipation holes 4.
[0025] The mounting plate 1 adopts aluminum alloy substrate, and the surface is treated by anodic oxidation to form a heat dissipation layer. A trapezoidal first clamping groove 5 is symmetrically provided on both sides of the mounting plate 1, which is used to limit the assembly position of the lamp plate 2. The inner wall of the first clamping groove 5 is coated with a conductive silver paste layer, and a first contact 8 (positive) and a second contact 9 (negative) are respectively welded. The contact is made of elastic copper alloy material, and the contact surface is in spherical convex structure.
[0026] The lamp plate 2 adopts FR-4 fiberglass plate, and a trapezoidal first clamping block 7 is formed on one side of the lamp plate 2 by stamping. The surface of the first clamping block 7 is plated with a nickel oxidation-resistant layer. A second clamping groove 6 is provided on the edge of the lamp plate 2. The both ends of the first connecting line 10 and the second connecting line 11 are provided with copper conductive springs, which are respectively electrically connected with the first connecting line 10 and the second connecting line 11 inside the lamp plate 2 through via welding.
[0027] The first clamping block 7 of the lamp plate 2 is inserted into the first clamping groove 5 of the mounting plate 1, and the first contact 8 and the second contact 9 are connected with the conductive spring through interference fit to realize mechanical clamping and electrical connection.
[0028] When the contact surface of the mounting plate 1 and the lamp plate 2, and the splicing surface of the adjacent lamp plate 2, the sealing ring 13 of silicone rubber material is embedded in the mounting groove 12.
[0029] The air pipe joint 16 is fixed to the side wall of the mounting plate 1 through threaded connection, and is communicated with the heat dissipation hole 4. In actual use, the air pipe joint 16 is connected with a micro air pump to realize air cooling.
[0030] The 2835 type LED lamp beads 3 are attached to the surface of the lamp plate 2. The rated voltage of each lamp bead is 3.0V, and the current is 60mA. Each lamp plate 2 is arranged with 12 lamp beads, which are divided into three parallel branches, each branch has four lamp beads in series. The positive poles of each branch are connected to the conductive springs in the second clamping groove 6 through the first connecting line 10, and the negative poles are connected to the other conductive springs through the second connecting line 11.
[0031] The backlighting colored plate 14 is pasted on the top of the lamp plate 2 through double-sided adhesive. The colored plate is made of PET substrate, and the edge of the colored plate 14 exceeds the edge of the lamp plate 2 by 1.5mm, forming a light-shielding eave structure.
[0032] The nose buckle 15 is arranged on the side of the lamp plate 2 away from the backlighting colored plate 14, which is convenient for taking out the single lamp plate 2.
[0033] The above merely describes preferred embodiments of the present utility model patent, and is not intended to limit the present utility model patent, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model patent shall be included in the protection scope of the present utility model patent.
Claims
1. A flat-panel TV LED light strip structure, comprising a mounting plate (1), a light board (2), and LED beads (3), characterized in that, The lamp board (2) is provided with LED beads (3), and heat dissipation holes (4) are provided on both the mounting plate (1) and the lamp board (2). The mounting plate (1) has two symmetrically arranged first slots (5), and the lamp board (2) has a second slot (6). The side of the lamp board (2) away from the second slot (6) is provided with a first locking block (7) that can engage with the first slot (5) and the second slot (6). The first slot (5) is provided with a first contact (8) and a second contact (9). The lamp board (2) is provided with a first connecting wire (10) and a second connecting wire (11).
2. The LED light strip structure for a flat-panel TV according to claim 1, characterized in that: The first contact (8) is connected to the first connecting line (10) in a circuit, and the second contact (9) is connected to the second connecting line (11) in a circuit.
3. The LED light strip structure for a flat-panel TV according to claim 1, characterized in that: The first card slot (5), the second card slot (6) and the first card block (7) are all trapezoidal.
4. The LED light strip structure for a flat-panel TV according to claim 1, characterized in that: Mounting grooves (12) are provided between the mounting plate (1) and the lamp plate (2) and on the side of the adjacent lamp plates (2) that are close to each other. A sealing ring (13) is provided in the mounting groove (12).
5. The LED light strip structure for a flat-panel TV according to claim 1, characterized in that: The LED beads (3) are connected in parallel with the first connecting line (10) and the second connecting line (11), respectively.
6. The LED light strip structure for a flat-panel TV according to claim 1, characterized in that: The top of the lamp panel (2) is provided with a backlight coloring plate (14).
7. The LED light strip structure for a flat-panel TV according to claim 6, characterized in that: The lamp panel (2) has a nose clip (15) on the side away from the backlight color plate (14).
8. The LED light strip structure for a flat-panel TV according to claim 1, characterized in that: The mounting plate (1) is provided with an air pipe connector (16), which is connected to the heat dissipation hole (4).